WorldWideScience

Sample records for iea joint action

  1. IEA joint action. Aerodynamics of wind turbines

    Energy Technology Data Exchange (ETDEWEB)

    Maribo Pedersen, B. [ed.

    1997-12-31

    In the period 1992-1997 the IEA Annex XIV `Field Rotor Aerodynamics` was carried out. Within its framework 5 institutes from 4 different countries participated in performing detailed aerodynamic measurements on full-scale wind turbines. The Annex was successfully completed and resulted in a unique database of aerodynamic measurements. The database is stored on an ECN disc (available through ftp) and on a CD-ROM. It is expected that this base will be used extensively in the development and validation of new aerodynamic models. Nevertheless at the end of IEA Annex XIV, it was recommended to perform a new IEA Annex due to the following reasons: In Annex XIV several data exchange rounds appeared to be necessary before a satisfactory result was achieved. This is due to the huge amount of data which had to be supplied, by which a thorough inspection of all data is very difficult and very time consuming; Most experimental facilities are still operational and new, very useful, measurements are expected in the near future; The definition of angle of attack and dynamic pressure in the rotating environment is less straightforward than in the wind tunnel. The conclusion from Annex XIV was that the uncertainty which results from these different definitions is still too large and more investigation in this field is required. (EG)

  2. IEA joint action. Aerodynamics of wind turbines

    Energy Technology Data Exchange (ETDEWEB)

    Maribo Pedersen, B. [ed.

    1997-08-01

    The advances to be made in aerodynamic prediction requires a deeper understanding of the physical processes occurring at the blades, and in the wake, of a wind turbine. This can only come from a continuing process of experimental observation and theoretical analysis. The present symposium presents the opportunity to do this by exchange of data from experiments and simulations, and by discussion of new or modified wake theories. The symposium will consists of a number of presentations by invited speakers and conclude with a summary of the talks and a round-the-table technical discussion. The talks offer the change to present behaviour from full-scale and laboratory experiments that are not explained by existing prediction codes. In addition, presentations are welcome on new modelling techniques or formulations that could make existing codes more accurate, less computationally intensive and easier to use. This symposium is intended to provide a starting point for the formulation of advanced rotor performance methods, which will improve the accuracy of load and performance prediction codes useful to the wind turbine industry. (au)

  3. IEA Joint Action. Wind turbine fatigue

    Energy Technology Data Exchange (ETDEWEB)

    Maribo Pedersen, B [ed.

    1996-09-01

    Fatigue research on wind turbine blade material has been an important issue over the years in many countries and in the E.U. As a result of the effort the knowledge on fatigue properties of fibre reinforced materials has been expanded enormously. Practical fatigue design properties are available for constant amplitude tests at ambient temperatures. A lack of knowledge can be shown in several other fields, such as variable amplitude and multi-axial testing and the influence of the environment and carbon fibres. Fatigue is seen as dominant for the blade design, improvements in both the load prediction and material fatigue properties should be strove for. In discussions with blade manufacturers and subsidy agencies (E.U. DGXII, NOVEM, ETSU, etc.) on the importance of continuous materials fatigue research the improvement in reliability should be stressed. (au)

  4. The history of the IEA volume II: major policies and actions

    International Nuclear Information System (INIS)

    Scott, R.

    1995-01-01

    Volume II of the History of the International Energy Agency (IEA) continues the story which began with the Origins and Structure of the Agency in Volume I. After examining the industrial countries'energy policies leading up to the 1973-1974 crisis, the current Volume focuses on the new policies adopted in the IEA during its first twenty years.The first part of this book deals with a section on 'Energy Policy Origins of the 1973-1974 Oil Supply Vulnerability : The Optimistic-Passive Approach to Oil Policy'. The main events and developments leading up to the crisis are briefly outlined together with a short presentation of the policy views and critical conclusions that were made on that situation by some of the most knowledgeable oil specialists of the period. The second part surveys IEA oil security, beginning with the oil Emergency Sharing System. The IAE's long-term policies for reducing its Members'dependence on imported oil are the subject of the third part. In this part is described the development of some of the leading IEA work in the field of energy and the environment, the Agency's far-reaching reviews of Members'policies in this sector and a discussion of the 'free markets' policy and of the IEA Shared Goals of 1993. The fourth part deals with the still longer-term Energy Research and Development in the IEA and is a review of the internal organization of IEA work in the R and D field. The fifth part follows with a discussion of the Oil Market policies and practices of the Agency, where the main and durable goals are 'transparency and information dissemination'. The last part addresses the Agency's policies and actions with respect to Co-operation with Non-Member Countries. Then, it takes up Members'policies and activities in connection with the oil producer and consumer country dialogue of 1976-1977 and outlines its disappointing outcome. (O.L.). 2 figs., 13 tabs

  5. Joint IEA-OPEC workshop on CO2-enhanced oil recovery with CCS

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-07-01

    The IEA and OPEC jointly organised a workshop to discuss CO2-EOR and its role in supporting the early demonstration of CCS. The workshop was hosted by Kuwait Petroleum Corporation, and held in Kuwait City on 7-8 February 2012. It brought together OPEC Member country experts and international CO2-EOR experts to discuss commercial, economic, technical, regulatory and policy aspects associated with the technology. Issues discussed include factors that can promote CO2-EOR ahead of ''pure'' CCS, barriers preventing uptake of the technology,and the range of policy interventions that could be employed to promote its use in OPEC Member countriesand other parts of the world. This report presents a synthesis of the discussions that took place, and lays the foundation for future analysis.

  6. Joint action aesthetics.

    Science.gov (United States)

    Vicary, Staci; Sperling, Matthias; von Zimmermann, Jorina; Richardson, Daniel C; Orgs, Guido

    2017-01-01

    Synchronized movement is a ubiquitous feature of dance and music performance. Much research into the evolutionary origins of these cultural practices has focused on why humans perform rather than watch or listen to dance and music. In this study, we show that movement synchrony among a group of performers predicts the aesthetic appreciation of live dance performances. We developed a choreography that continuously manipulated group synchronization using a defined movement vocabulary based on arm swinging, walking and running. The choreography was performed live to four audiences, as we continuously tracked the performers' movements, and the spectators' affective responses. We computed dynamic synchrony among performers using cross recurrence analysis of data from wrist accelerometers, and implicit measures of arousal from spectators' heart rates. Additionally, a subset of spectators provided continuous ratings of enjoyment and perceived synchrony using tablet computers. Granger causality analyses demonstrate predictive relationships between synchrony, enjoyment ratings and spectator arousal, if audiences form a collectively consistent positive or negative aesthetic evaluation. Controlling for the influence of overall movement acceleration and visual change, we show that dance communicates group coordination via coupled movement dynamics among a group of performers. Our findings are in line with an evolutionary function of dance-and perhaps all performing arts-in transmitting social signals between groups of people. Human movement is the common denominator of dance, music and theatre. Acknowledging the time-sensitive and immediate nature of the performer-spectator relationship, our study makes a significant step towards an aesthetics of joint actions in the performing arts.

  7. Joint action aesthetics.

    Directory of Open Access Journals (Sweden)

    Staci Vicary

    Full Text Available Synchronized movement is a ubiquitous feature of dance and music performance. Much research into the evolutionary origins of these cultural practices has focused on why humans perform rather than watch or listen to dance and music. In this study, we show that movement synchrony among a group of performers predicts the aesthetic appreciation of live dance performances. We developed a choreography that continuously manipulated group synchronization using a defined movement vocabulary based on arm swinging, walking and running. The choreography was performed live to four audiences, as we continuously tracked the performers' movements, and the spectators' affective responses. We computed dynamic synchrony among performers using cross recurrence analysis of data from wrist accelerometers, and implicit measures of arousal from spectators' heart rates. Additionally, a subset of spectators provided continuous ratings of enjoyment and perceived synchrony using tablet computers. Granger causality analyses demonstrate predictive relationships between synchrony, enjoyment ratings and spectator arousal, if audiences form a collectively consistent positive or negative aesthetic evaluation. Controlling for the influence of overall movement acceleration and visual change, we show that dance communicates group coordination via coupled movement dynamics among a group of performers. Our findings are in line with an evolutionary function of dance-and perhaps all performing arts-in transmitting social signals between groups of people. Human movement is the common denominator of dance, music and theatre. Acknowledging the time-sensitive and immediate nature of the performer-spectator relationship, our study makes a significant step towards an aesthetics of joint actions in the performing arts.

  8. Joint action aesthetics

    Science.gov (United States)

    Vicary, Staci; Sperling, Matthias; von Zimmermann, Jorina; Richardson, Daniel C.

    2017-01-01

    Synchronized movement is a ubiquitous feature of dance and music performance. Much research into the evolutionary origins of these cultural practices has focused on why humans perform rather than watch or listen to dance and music. In this study, we show that movement synchrony among a group of performers predicts the aesthetic appreciation of live dance performances. We developed a choreography that continuously manipulated group synchronization using a defined movement vocabulary based on arm swinging, walking and running. The choreography was performed live to four audiences, as we continuously tracked the performers’ movements, and the spectators’ affective responses. We computed dynamic synchrony among performers using cross recurrence analysis of data from wrist accelerometers, and implicit measures of arousal from spectators’ heart rates. Additionally, a subset of spectators provided continuous ratings of enjoyment and perceived synchrony using tablet computers. Granger causality analyses demonstrate predictive relationships between synchrony, enjoyment ratings and spectator arousal, if audiences form a collectively consistent positive or negative aesthetic evaluation. Controlling for the influence of overall movement acceleration and visual change, we show that dance communicates group coordination via coupled movement dynamics among a group of performers. Our findings are in line with an evolutionary function of dance–and perhaps all performing arts–in transmitting social signals between groups of people. Human movement is the common denominator of dance, music and theatre. Acknowledging the time-sensitive and immediate nature of the performer-spectator relationship, our study makes a significant step towards an aesthetics of joint actions in the performing arts. PMID:28742849

  9. International perspective on energy recovery from landfill gas. A joint report of the IEA Bioenergy Programme and the IEA CADDET Renewable Energy Technologies Programme

    International Nuclear Information System (INIS)

    2000-02-01

    This report presents a review of the current status of energy recovery from landfill gas. Utilisation, collection and treatment technologies are examined, and ten case studies of landfill gas utilisation are given. Non-technical issues such as barrier to energy recovery from landfill gas, landfill gas generation, and landfill gas emissions are addressed, and recommendations are outlined. The potential market for landfill gas, and market opportunities are considered. Details of the objectives of the International Energy Agency (IEA), the IEA Bioenergy Programme, and the IEA CADDET Renewable Energy Technologies Programme are included in appendices. (UK)

  10. Our actions in my mind: Motor imagery of joint action

    DEFF Research Database (Denmark)

    Vesper, Cordula; Knoblich, Günther; Sebanz, Natalie

    2014-01-01

    How do people imagine performing actions together? The present study investigated motor imagery of joint actions that requires integrating one's own and another's part of an action. In two experiments, individual participants imagined jumping alone or jointly next to an imagined partner. The joint...... condition required coordinating one's own imagined actions with an imagined partner's actions to synchronize landing times. We investigated whether the timing of participants' own imagined jumps would reflect the difference in jump distance to their imagined partner's jumps. The results showed...... of joint jumping. These findings link research on motor imagery and joint action, demonstrating that individuals are able to integrate simulations of different parts of a joint action....

  11. A minimal architecture for joint action

    DEFF Research Database (Denmark)

    Vesper, Cordula; Butterfill, Stephen; Knoblich, Günther

    2010-01-01

    What kinds of processes and representations make joint action possible? In this paper we suggest a minimal architecture for joint action that focuses on representations, action monitoring and action prediction processes, as well as ways of simplifying coordination. The architecture spells out...... minimal requirements for an individual agent to engage in a joint action. We discuss existing evidence in support of the architecture as well as open questions that remain to be empirically addressed. In addition, we suggest possible interfaces between the minimal architecture and other approaches...... to joint action. The minimal architecture has implications for theorizing about the emergence of joint action, for human-machine interaction, and for understanding how coordination can be facilitated by exploiting relations between multiple agents’ actions and between actions and the environment....

  12. ECOWindS Joint Action Plan

    DEFF Research Database (Denmark)

    2014-01-01

    The Joint Action Plan (JAP) is a deliverable of the ECOWindS project Work Package 4 (WP4) “Joint Action Plan”. It presents a plan of action or a roadmap for research, development, and innovation (RDI) for the Offshore Wind Service (OWS) industry. The objective of the JAP is to be an international...

  13. Cooperative Engineering as a Joint Action

    Science.gov (United States)

    Joffredo-Le Brun, Sophie; Morellato, Mireille; Sensevy, Gérard; Quilio, Serge

    2018-01-01

    This paper describes some elements of a specific kind of design-based research, cooperative engineering. In the first part of the paper, we argue that cooperative engineering can be analyzed through a joint action framework. We first present some conceptual tools that the Joint Action Theory in Didactics proposes in order to understand didactic…

  14. Joint action without and beyond planning

    DEFF Research Database (Denmark)

    Blomberg, Olle

    2013-01-01

    ” that one must have in order to be a party to a shared intention (consider, for example, the social play of young children or the cooperative hunting of non-human primates or social carnivores). The second lacuna concerns how participants (including adult human agents) are able to coordinate their actions......, to make sense of the idea that joint activities are non-accidentally coordinated. In chapter 3, I offer an account of a kind of joint activity in which agents such as young children and some non-human primates could participate, given what we know about their socio-cognitive capacities. In chapter 4, I...... to perform “our” joint action. I reject this constraint and argue that some joint actions (such as a joint manoeuvre performed by two figure skaters) are joint in virtue of each participant having what I call ‘socially extended intention-in-action’ that overlap. In chapter 5, I review empirical work...

  15. The joint action on healthy life years

    DEFF Research Database (Denmark)

    Robine, Jean-Marie; Cambois, Emmanuelle; Nusselder, Wilma

    2013-01-01

    ABSTRACT: BACKGROUND: Life expectancy has been increasing during the last century within the European Union (EU). To measure progress in population health it is no longer sufficient to focus on the duration of life but quality of life should be considered. Healthy Life Years (HLY) allow estimating...... the quality of the remaining years that a person is expected to live, in terms of being free of long-standing activity limitation. The Joint Action on Healthy Life Years (JA: EHLEIS) is a joint action of European Member States (MS) and the European Union aiming at analysing trends, patterns and differences...... in HLY, as well as in other Summary Measures of Population Health (SMPH) indicators, across the European member states. METHODS: The JA: EHLEIS consolidates existing information on life and health expectancy by maximising the European comparability; by analysing trends in HLY within the EU; by analysing...

  16. Algae as a Feedstock for Biofuels. An Assessment of the Current Status and Potential for Algal Biofuels Production. Joint Summary report of IEA-AMF Annex XXXIV-2 and IEA Bioenergy Task 39

    Energy Technology Data Exchange (ETDEWEB)

    O' Conner, D. [S and T2 Consultants, Inc. (Canada)

    2011-09-15

    In 2010, the IEA Advanced Motor Fuels Implementing Agreement and the IEA Bioenergy Task 39 both commissioned reports on the status and potential opportunities for Algal Biofuels. While there were substantial similarities in the findings of the two reports, each report provides unique perspectives on different aspects of the technology and the opportunities. This summary draws on both of those reports. The Task 39 report (Bioenergy Algal Biofuels.pdf) was authored by Al Darzins and Philip Pienkos (NREL, US) and Les Edye (BioIndustry Partners, Australia). The IEA AMF report was prepared by Karen Sikes and Ralph McGill (Sentech, Inc. US) and Martijn Van Walwijk (Independent Researcher).

  17. Fiscal 2000 survey report. Survey for verification of new load levelling technique - IEA international joint project (Participation in IEA/DSM task); 2000 nendo fuka heijunka shuho jissho chosa hokokusho. IEA kokusai kyoryoku jigyo 'IEA/DSM task eno sanka ni tsuite'

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-03-01

    Japan participated in IEA/DSM (International Energy Agency/demand side management) Task X (performance contracting) for collecting information on energy service contracting business designed to promote load levelling centered DSM activities on the basis of market principles for achieving efficient operation of facilities. Task X aims to adjust and popularize the energy service contracting business. In the energy service contracting business, the facility related party and the energy service related party work under a contract to enhance efficiency of facility operation, and share the gains between them. In concrete terms, information was collected and exchanged at the 14th and 15th executive committee meeting of IEA/DSM Task X (Turkey in April 2000, Sweden in September 2000); new task preparation conference (Sweden in September 2000); 1st specialist conference (France in February 2001); and 17th annual convention of All-America ESCO (energy service company) Council (U.S. in November 2000). (NEDO)

  18. ECOWindS Joint Action Plan - Guidelines for Implementation

    DEFF Research Database (Denmark)

    2015-01-01

    The Joint Action Plan (JAP) is a deliverable of the European Clusters for Offshore Wind Servicing (ECOWindS) project Work Package 4 (WP4) “Joint Action Plan”. It presents a plan of action or a roadmap for research, development, and innovation (RDI) for the Offshore Wind Service (OWS) industry. Th...

  19. Joint action syntax in Japanese martial arts.

    Science.gov (United States)

    Yamamoto, Yuji; Yokoyama, Keiko; Okumura, Motoki; Kijima, Akifumi; Kadota, Koji; Gohara, Kazutoshi

    2013-01-01

    Participation in interpersonal competitions, such as fencing or Japanese martial arts, requires players to make instantaneous decisions and execute appropriate motor behaviors in response to various situations. Such actions can be understood as complex phenomena emerging from simple principles. We examined the intentional switching dynamics associated with continuous movement during interpersonal competition in terms of their emergence from a simple syntax. Linear functions on return maps identified two attractors as well as the transitions between them. The effects of skill differences were evident in the second- and third-order state-transition diagrams for these two attractors. Our results suggest that abrupt switching between attractors is related to the diverse continuous movements resulting from quick responses to sudden changes in the environment. This abrupt-switching-quick-response behavior is characterized by a joint action syntax. The resulting hybrid dynamical system is composed of a higher module with discrete dynamics and a lower module with continuous dynamics. Our results suggest that intelligent human behavior and robust autonomy in real-life scenarios are based on this hybrid dynamical system, which connects interpersonal coordination and competition.

  20. IEA Response System for Oil Supply Emergencies

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-12-15

    Emergency response to oil supply disruptions has remained a core mission of the International Energy Agency since its founding in 1974. This information pamphlet explains the decisionmaking process leading to an IEA collective action, the measures available -- focusing on stockdraw -- and finally, the historical background of major oil supply disruptions and the IEA response to them. It also demonstrates the continuing need for emergency preparedness, including the growing importance of engaging key transition and emerging economies in dialogue about energy security.

  1. IEA Response System for Oil Supply Emergencies

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-07-15

    Emergency response to oil supply disruptions has remained a core mission of the International Energy Agency since its founding in 1974. This information pamphlet explains the decisionmaking process leading to an IEA collective action, the measures available -- focusing on stockdraw -- and finally, the historical background of major oil supply disruptions and the IEA response to them. It also demonstrates the continuing need for emergency preparedness, including the growing importance of engaging key transition and emerging economies in dialogue about energy security.

  2. Prediction in Joint Action: What, when, and where

    NARCIS (Netherlands)

    Sebanz, N.; Knoblich, G.K.

    2009-01-01

    Drawing on recent findings in the cognitive and neurosciences, this article discusses how people manage to predict each other's actions, which is fundamental for joint action. We explore how a common coding of perceived and performed actions may allow actors to predict the what, when, and where of

  3. Monitoring individual and joint action outcomes in duet music performance

    DEFF Research Database (Denmark)

    Loehr, Janeen; Kourtis, Dimitrios; Vesper, Cordula

    2013-01-01

    We investigated whether people monitor the outcomes of their own and their partners’ individual actions as well as the outcome of their combined actions when performing joint actions together. Pairs of pianists memorized both parts of a piano duet. Each pianist then performed one part while their...

  4. Joint action modulates motor system involvement during action observation in 3-year-olds

    NARCIS (Netherlands)

    Meyer, M.; Hunnius, S.; Elk, M. van; Ede, F.L. van; Bekkering, H.

    2011-01-01

    When we are engaged in a joint action, we need to integrate our partner's actions with our own actions. Previous research has shown that in adults the involvement of one's own motor system is enhanced during observation of an action partner as compared to during observation of an individual actor.

  5. Oil supply security: the emergency response potential of IEA countries

    International Nuclear Information System (INIS)

    1995-01-01

    This work deals with the oil supply security and more particularly with the emergency response potential of International Energy Agency (IEA) countries. The first part describes the changing pattern of IEA emergency response requirements. It begins with the experience from the past, then gives the energy outlook to 2010 and ends with the emergency response policy issues for the future. The second part is an overview on the IEA emergency response potential which includes the organisation, the emergency reserves, the demand restraint and the other response mechanisms. The third part gives the response potential of individual IEA countries. The last part deals with IEA emergency response in practice and more particularly with the gulf crisis of 1990-1991. It includes the initial problems raised by the gulf crisis, the adjustment and preparation and the onset of military action with the IEA response.(O.L.). 7 figs., 85 tabs

  6. Making oneself predictable: Reduced temporal variability facilitates joint action coordination

    DEFF Research Database (Denmark)

    Vesper, Cordula; van der Wel, Robrecht; Knoblich, Günther

    2011-01-01

    Performing joint actions often requires precise temporal coordination of individual actions. The present study investigated how people coordinate their actions at discrete points in time when continuous or rhythmic information about others’ actions is not available. In particular, we tested...... the hypothesis that making oneself predictable is used as a coordination strategy. Pairs of participants were instructed to coordinate key presses in a two-choice reaction time task, either responding in synchrony (Experiments 1 and 2) or in close temporal succession (Experiment 3). Across all experiments, we...... found that coactors reduced the variability of their actions in the joint context compared with the same task performed individually. Correlation analyses indicated that the less variable the actions were, the better was interpersonal coordination. The relation between reduced variability and improved...

  7. JOINT FORCE AND CONTEMPORARY MILITARY ACTIONS

    Directory of Open Access Journals (Sweden)

    Codrin HERTANU

    2012-01-01

    Full Text Available In the current changing international context, the worldwide power balance along with its inter-dependencies shows that mankind is facing problems and pressures posed by resources limitation (the oil ones being the most relevant dramatic climate evolution and a decisive impact of technologies. The approach of the armed forces to the national defense related interests, as well as to the asymmetrical and irregular threats underlines the joint force’s capacity to be the most powerful and adequate tool to address all of these.

  8. On Commitments and Other Uncertainty Reduction Tools in Joint Action

    Directory of Open Access Journals (Sweden)

    Michael John

    2015-01-01

    Full Text Available In this paper, we evaluate the proposal that a central function of commitments within joint action is to reduce various kinds of uncertainty, and that this accounts for the prevalence of commitments in joint action. While this idea is prima facie attractive, we argue that it faces two serious problems. First, commitments can only reduce uncertainty if they are credible, and accounting for the credibility of commitments proves not to be straightforward. Second, there are many other ways in which uncertainty is commonly reduced within joint actions, which raises the possibility that commitments may be superfluous. Nevertheless, we argue that the existence of these alternative uncertainty reduction processes does not make commitments superfluous after all but, rather, helps to explain how commitments may contribute in various ways to uncertainty reduction.

  9. Single and joint action toxicity evaluation of insecticide and laundry ...

    African Journals Online (AJOL)

    Further analysis based on the isobologram model was in conformity with RTU and SR models. The significance of this study showed the relevance of joint action toxicity studies in setting realistic safe limits in order to protect aquatic organisms. Therefore, proper disposal and management strategies for wastes should be ...

  10. Progress Implementing the IEA 25 Energy Efficiency Policy Recommendations

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-07-01

    Significantly improving energy efficiency remains a priority for all countries. Meetings of G8 leaders and IEA ministers reaffirmed the critical role that improved energy efficiency can play in addressing energy security, environmental and economic challenges. Many IEA publications have also documented the essential role of energy efficiency. For example, the World Energy Outlook and the Energy Technology Perspectives reports identify energy efficiency as the most significant contributor to achieving energy security, economic and environmental goals. Energy efficiency is clearly the “first fuel” in the delivery of energy services in the coming low-carbon energy future. To support governments in their implementation of energy efficiency, the IEA recommended the adoption of specific energy efficiency policy measures to the G8 summits in 2006, 2007 and 2008. The consolidated set of recommendations to these summits is known as the ‘IEA 25 energy efficiency policy recommendations’ because it covers 25 fields of action across seven priority areas: cross-sectoral activity, buildings, appliances, lighting, transport, industry and energy utilities. The IEA estimates that if implemented globally without delay, the proposed actions could save as much as 7.6 giga tonnes (Gt) CO2/year by 2030 – almost 1.5 times the current annual carbon dioxide (CO2) emissions of the United States. The IEA 25 energy efficiency policy recommendations were developed to address policy gaps and priorities. This has two implications. First, the recommendations do not cover the full range of energy efficiency policy activity possible. Rather, they focus on priority energy efficiency policies identified by IEA analysis. Second, while IEA analysis, the energy efficiency professional literature and engagement with experts clearly demonstrate the broad benefits of these IEA priority measures, the recommendations are not weighted to reflect the different energy end-use make up of different

  11. Action Recognition by Joint Spatial-Temporal Motion Feature

    Directory of Open Access Journals (Sweden)

    Weihua Zhang

    2013-01-01

    Full Text Available This paper introduces a method for human action recognition based on optical flow motion features extraction. Automatic spatial and temporal alignments are combined together in order to encourage the temporal consistence on each action by an enhanced dynamic time warping (DTW algorithm. At the same time, a fast method based on coarse-to-fine DTW constraint to improve computational performance without reducing accuracy is induced. The main contributions of this study include (1 a joint spatial-temporal multiresolution optical flow computation method which can keep encoding more informative motion information than recent proposed methods, (2 an enhanced DTW method to improve temporal consistence of motion in action recognition, and (3 coarse-to-fine DTW constraint on motion features pyramids to speed up recognition performance. Using this method, high recognition accuracy is achieved on different action databases like Weizmann database and KTH database.

  12. How preschoolers and adults represent their joint action partner's behavior.

    Science.gov (United States)

    Sacheli, Lucia Maria; Meyer, M; Hartstra, E; Bekkering, H; Hunnius, S

    2017-10-24

    We investigated the cognitive mechanisms underlying turn-taking joint action in 42-month-old children (Experiment 1) and adults (Experiment 2) using a behavioral task of dressing a virtual bear together. We aimed to investigate how participants represent a partners' behavior, i.e., in terms of specific action kinematics or of action effects. The bear was dressed by pressing a smaller and a bigger button. In the Action-response task, instructions asked participants to respond to the partner by pressing the same or opposite button; in the Action-effect task they had to respond to the partner's action effect by dressing the bear with the lacking part of the clothing, which in some cases implied pressing the same button and in other cases implied pressing the opposite button. In 50% of the trials, the partner's association between each button and the ensuing effect (dressing the bear with t-shirt or pants) was reversed, while it never changed for participants. Both children and adults showed no effect of physical congruency of actions, but showed impaired performance in the Action-effect task if their partner achieved her effect through a different action-effect association than their own. These results suggest that, when encoding their partner's actions, agents are influenced by action-effect associations that they learnt through their own experience. While interference led to overt errors in children, it caused longer reaction times in adults, suggesting that a flexible cognitive control (that is still in development in young children) is required to take on the partner's perspective.

  13. The role of IEA governments in energy. 1996 update

    International Nuclear Information System (INIS)

    1996-01-01

    The role of governments in the energy sector of IEA countries is changing significantly. Governments are intervening less directly and are relying more on market forces to achieve energy policy goals. However, their role in setting market rules is becoming even more important. This report describes in detail the changing role of IEA governments. Part 1 of the report provides an overview of the rationale, scope and approaches of government action, including institutional arrangements and sectoral policies. Part 2 contains detailed surveys of each of the 23 IEA Member countries and the European Union. (author)

  14. Findings of recent IEA work - 2003

    International Nuclear Information System (INIS)

    2003-01-01

    This new edition of 'Findings of Recent IEA Work', launched at the Ministerial-level meeting of the IEA's Governing Board on 28 April 2003, provides a broad sampling of the Agency's Programme of Work. Focusing on a specific subject, each entry features references to further study Agency work that will be of use to governments, academics, journalists and the wider public. 'Findings of Recent IEA Work' is divided into five sections: Security of Supply and Energy Markets; Energy Diversification and Efficiency; Energy Technology; Environment and Climate Change; Energy in the Wider World This publication is designed to serve as a ready reference to IEA work and will provide an overview of the many, varied and fascinating activities in which we are engaged. Content: 1 - Security of supply and energy markets: World Energy Outlook 2002: Global Trends to 2030, World Energy Investment Outlook 2003, Emergency Response Strategies and Mechanisms, Global Oil Market Security, Energy Policies of the IEA Countries 2002 Review, Energy Price Volatility, IEA Monthly Oil Market Report, Energy Statistics, an Essential Component of Energy Analysis and Policy, Oil Data Transparency: A Joint Initiative, Security of Supply in Electricity Markets, Distributed Generation, Regulatory Institutions in Liberalized Markets, Security of Supply and Public Service Obligations; 2 - Energy diversification and efficiency: Security of Supply and Flexibility in Natural Gas: Supply and Demand, Cross-border Gas Trade, Nuclear Power in OECD Countries, Towards Hydrogen, Coal and Sustainable Development, Non-conventional Oil, Achieving Solar Hot Water Competitiveness through Aggregated Procurement, Barriers to Renewable Energy Market Growth, Renewable Energy Technologies: Current Status and Future Prospects, The Evolution of Renewable Energy Policies in IEA Countries, Global Analysis of Biofuels and Analysis of Potential for International Trade, The IEA Energy Indicators, Energy Efficient Domestic Appliances

  15. Joint action on mental health at the workplace : situation analysis and recommendation for action

    NARCIS (Netherlands)

    Fine, A.; Griffiths, J.; Breucker, G.; Sochert, R.; Knoche, K.; Zabrocki, H.; Heigi, C.; Radonic, E.; Mattila-Holappa, P.; Buffet, M.A.; Houtman, I.L.D.; Gründemann, R.; Hulleman, J.; Nijland, B.; Kramberger, B.; Betlehem, J.; Pék, E..; Ingudottir, J.; Bjarnadottir, S.; Murray, P.; Xerri, R.

    2015-01-01

    The thematic “Mental Health at Workplaces” is part of the “Joint Action on Mental Health and Well-being”, an initiative which sits within the framework of the 2 nd European Health Programme of the European Commission and the Member States of the EU in the period 2013 to 2016. The main aim of this

  16. IEA Response System for Oil Supply Emergencies (2012 update)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-09-05

    Emergency response to oil supply disruptions has remained a core mission of the International Energy Agency since its founding in 1974. This information pamphlet explains the decisionmaking process leading to an IEA collective action, the measures available -- focusing on stockdraw -- and finally, the historical background of major oil supply disruptions and the IEA response to them. It also demonstrates the continuing need for emergency preparedness, including the growing importance of engaging key transition and emerging economies in dialogue about energy security.

  17. Strategic communication and behavioral coupling in asymmetric joint action

    DEFF Research Database (Denmark)

    Vesper, Cordula; Richardson, Michael J.

    2014-01-01

    How is coordination achieved in asymmetric joint actions where co-actors have unequal access to task information? Pairs of participants performed a non-verbal tapping task with the goal of synchronizing taps to different targets. We tested whether ‘Leaders’ knowing the target locations would...... support ‘Followers’ without this information. Experiment 1 showed that Leaders tapped with higher amplitude that also scaled with specific target distance, thereby emphasizing differences between correct targets and possible alternatives. This strategic communication only occurred when Leaders’ movements...

  18. IAEA-EU Joint Action Partnership in Improving Nuclear Security

    International Nuclear Information System (INIS)

    2011-12-01

    Nuclear and other radioactive material is on the move and in demand. Used in peaceful applications such as energy, medicine, research and industry, it improves the daily lives of individuals worldwide. Nonetheless, the risk posed by it falling into the wrong hands is a real and growing concern of the international community and one that demands improved nuclear security. Steps to bolster nuclear security and mitigate this risk include accounting for and securing nuclear and radioactive material as well as their related facilities, and helping to prevent theft, sabotage and use with malicious intent. Strong legislative, regulatory and enforcement frameworks, enhanced national capacity, and increased international cooperation in protecting against, and preparing for, any scenario strengthens these measures further. As a result, the Board of Governors of the International Atomic Energy Agency (IAEA) approved a plan of activities in 2002 to improve nuclear security worldwide. In 2003, the Council of the European Union (EU) adopted its Strategy against Proliferation of Weapons of Mass Destruction. Since then, five Contribution Agreements between the European Commission (EC) and the IAEA have been undertaken to provide financial support to IAEA activities in the areas of nuclear security and verification. These 'Joint Actions' assist States in strengthening their nuclear security infrastructure and underscore both the EU and IAEA's commitment to effective cooperation. IAEA-EU JOINT ACTION. The IAEA works to improve and strengthen national nuclear security programmes worldwide. EU support helps to advance the IAEA's efforts by raising awareness and improving understanding of nuclear security and its many component parts. Priority is given to those States that need to determine what radioactive and nuclear material they have, how to control it and how to reduce the risk it poses. Efforts focus on three main areas, strengthening: (i) States' legislative and regulatory

  19. Efficient strategy for detecting gene × gene joint action and its application in schizophrenia

    NARCIS (Netherlands)

    Won, Sungho; Kwon, Min-Seok; Mattheisen, Manuel; Park, Suyeon; Park, Changsoon; Kihara, Daisuke; Cichon, Sven; Ophoff, Roel; Nöthen, Markus M.; Rietschel, Marcella; Baur, Max; Uitterlinden, Andre G.; Hofmann, A.; Lange, Christoph; Kahn, René S.; Linszen, Don H.; van Os, Jim; Wiersma, Durk; Bruggeman, Richard; Cahn, Wiepke; de Haan, Lieuwe; Krabbendam, Lydia; Myin-Germeys, Inez

    2014-01-01

    We propose a new approach to detect gene × gene joint action in genome-wide association studies (GWASs) for case-control designs. This approach offers an exhaustive search for all two-way joint action (including, as a special case, single gene action) that is computationally feasible at the

  20. Joint Action Group: public opinion poll: final report

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-12-31

    The Joint Action Group (JAG) for Environmental Cleanup of the Muggah Creek Watershed in Cape Breton, Nova Scotia is a new community-driven process in which a group of individuals have cooperated in one of the largest remediation projects in Canada. The group plays an advisory role to the government in identifying what should be done to remediate the Muggah Creek watershed and the Sydney Tar Ponds. The Muggah Creek watershed area includes a municipal landfill site, the coke ovens site and the Muggah Creek estuary (Sydney Tar Ponds). This report contains an analysis of the responses of a sample of 600 households in industrial Cape Breton to a telephone survey designed to measure community awareness and knowledge of JAG, its working groups, and the Muggah Creek Watershed Cleanup process, and identify community concerns regarding the process. tabs.

  1. Joint Action Group: public opinion poll: final report

    International Nuclear Information System (INIS)

    1998-01-01

    The Joint Action Group (JAG) for Environmental Cleanup of the Muggah Creek Watershed in Cape Breton, Nova Scotia is a new community-driven process in which a group of individuals have cooperated in one of the largest remediation projects in Canada. The group plays an advisory role to the government in identifying what should be done to remediate the Muggah Creek watershed and the Sydney Tar Ponds. The Muggah Creek watershed area includes a municipal landfill site, the coke ovens site and the Muggah Creek estuary (Sydney Tar Ponds). This report contains an analysis of the responses of a sample of 600 households in industrial Cape Breton to a telephone survey designed to measure community awareness and knowledge of JAG, its working groups, and the Muggah Creek Watershed Cleanup process, and identify community concerns regarding the process. tabs

  2. Interbrains cooperation: Hyperscanning and self-perception in joint actions.

    Science.gov (United States)

    Balconi, Michela; Vanutelli, Maria Elide

    2017-08-01

    The aim of the present study was to investigate the neural bases of cooperative behaviors and social self-perception underlying the execution of joint actions by using a hyperscanning brain paradigm with functional near-infrared spectroscopy (fNIRS). We firstly found that an artificial positive feedback on the cognitive performance was able to affect the self-perception of social position and hierarchy (higher social ranking) for the dyad, as well as the cognitive performance (decreased error rate, ER, and response times, RTs). In addition, the shared cognitive strategy was concurrently improved within the dyad after this social reinforcing. Secondly, fNIRS measures revealed an increased brain activity in the postfeedback condition for the dyad. Moreover, an interbrain similarity was found for the dyads during the task, with higher coherent prefrontal cortex (PFC) activity for the interagents in the postfeedback condition. Finally, a significant prefrontal brain lateralization effect was revealed, with the left hemisphere being more engaged during the postfeedback condition. To summarize, the self-perception, the cognitive performance, and the shared brain activity were all reinforced by the social feedback within the dyad.

  3. Joint action coordination through strategic reduction in variability

    DEFF Research Database (Denmark)

    Vesper, Cordula; Schmitz, Laura; Sebanz, Natalie

    2013-01-01

    How do people coordinate actions with others? We tested the hypothesis that pairs of participants strategically reduce the variability of their action performance to achieve synchronicity in the absence of visual feedback about each other’s actions. Consistent with this prediction, participants...... strategic adaptation in the service of real-time action coordination when only minimal perceptual information is available....

  4. Oil supply security -- Emergency response of IEA countries 2007

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-11-29

    When Hurricane Katrina hit the Gulf of Mexico in 2005, the region's oil production and refining infrastructure was devastated and world energy markets were disrupted. The International Energy Agency decided in a matter of days to bring 60 million barrels of additional oil to the market. The emergency response system worked - the collective action helped to stabilise global markets. Since its founding in 1974, oil supply security has been a core mission of the IEA and the Agency has improved its mechanisms to respond to short-term oil supply disruptions. Nevertheless, numerous factors will continue to test the delicate balance of supply and demand. Oil demand growth will continue to accelerate in Asia; oil will be increasingly produced by a shrinking number of countries; and capacities in the supply chain will need to expand. These are just a few of the challenges facing an already tight market. What are the emergency response systems of IEA countries? How are their emergency structures organised? How prepared is the IEA to deal with an oil supply disruption? This publication addresses these questions. It presents another cycle of rigorous reviews of the emergency response mechanisms of IEA member countries. The goal of these reviews is to ensure that the IEA stays ready to respond effectively to oil supply disruptions. This publication also includes overviews of how China, India and countries of Southeast Asia are progressing with domestic policies to improve oil supply security, based on emergency stocks.

  5. Oil supply security -- Emergency response of IEA countries 2007

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-11-29

    When Hurricane Katrina hit the Gulf of Mexico in 2005, the region's oil production and refining infrastructure was devastated and world energy markets were disrupted. The International Energy Agency decided in a matter of days to bring 60 million barrels of additional oil to the market. The emergency response system worked - the collective action helped to stabilise global markets. Since its founding in 1974, oil supply security has been a core mission of the IEA and the Agency has improved its mechanisms to respond to short-term oil supply disruptions. Nevertheless, numerous factors will continue to test the delicate balance of supply and demand. Oil demand growth will continue to accelerate in Asia; oil will be increasingly produced by a shrinking number of countries; and capacities in the supply chain will need to expand. These are just a few of the challenges facing an already tight market. What are the emergency response systems of IEA countries? How are their emergency structures organised? How prepared is the IEA to deal with an oil supply disruption? This publication addresses these questions. It presents another cycle of rigorous reviews of the emergency response mechanisms of IEA member countries. The goal of these reviews is to ensure that the IEA stays ready to respond effectively to oil supply disruptions. This publication also includes overviews of how China, India and countries of Southeast Asia are progressing with domestic policies to improve oil supply security, based on emergency stocks.

  6. Bidirectional transfer between joint and individual actions in a task of discrete force production.

    Science.gov (United States)

    Masumoto, Junya; Inui, Nobuyuki

    2017-07-01

    The present study examined bidirectional learning transfer between joint and individual actions involving discrete isometric force production with the right index finger. To examine the effects of practice of joint action on performance of the individual action, participants performed a pre-test (individual condition), practice blocks (joint condition), and a post-test (individual condition) (IJI task). To examine the effects of practice of the individual action on performance during the joint action, the participants performed a pre-test (joint condition), practice blocks (individual condition), and a post-test (joint condition) (JIJ task). Whereas one participant made pressing movements with a target peak force of 10% maximum voluntary contraction (MVC) in the individual condition, two participants produced the target force of the sum of 10% MVC produced by each of them in the joint condition. In both the IJI and JIJ tasks, absolute errors and standard deviations of peak force were smaller post-test than pre-test, indicating bidirectional transfer between individual and joint conditions for force accuracy and variability. Although the negative correlation between forces produced by two participants (complementary force production) became stronger with practice blocks in the IJI task, there was no difference between the pre- and post-tests for the negative correlation in the JIJ task. In the JIJ task, the decrease in force accuracy and variability during the individual action did not facilitate complementary force production during the joint action. This indicates that practice performed by two people is essential for complementary force production in joint action.

  7. Joint action coordination in 2½- and 3-year old children

    Directory of Open Access Journals (Sweden)

    Marlene eMeyer

    2010-12-01

    Full Text Available When acting jointly with others, adults can be as proficient as when acting individually. However how young children coordinate their actions with another person and how their action coordination develops during early childhood is not well understood. By means of a sequential button-pressing game, which could be played jointly or individually, the action coordination of 2½- and 3-year-old children was examined. Performance accuracy and variability of response timing were taken as indicators of coordination ability. Results showed substantial improvement in joint action coordination between the age of 2½- and 3, but both age groups performed equally well when acting individually. Interestingly, 3-year-olds performed equally well in the joint and the individual condition, whereas 2½-year-olds did not yet show this adult-like pattern as indicated by less accurate performance in the joint action. The findings suggest that in contrast to 3-year-olds, 2½-year-olds still have difficulties in establishing well-coordinated joint action with an adult partner. Possible underlying cognitive abilities such as action planning and action control are discussed.

  8. IEA Wind Energy Annual Report 2000

    Energy Technology Data Exchange (ETDEWEB)

    2001-05-01

    The twenty-third IEA Wind Energy Annual Report reviews the progress during 2000 of the activities in the Implementing Agreement for Co-operation in the Research and Development on Wind Turbine Systems under the auspices of the International Energy Agency (IEA). The agreement and its program, which is known as IEA R&D Wind, is a collaborative venture among 19 contracting parties from 17 IEA member countries and the European Commission.

  9. IEA Journal: Issue 1 [Autumn 2011

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-07-01

    IEA Energy covers a broad range of today's energy issues, from technology to market developments, and highlights the energy challenges of tomorrow. It features a variety of perspectives from government, industry and other intergovernmental organisations -- both in IEA member countries and beyond -- as well as from IEA experts.

  10. IEA Journal: Issue 1 [Autumn 2011

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-07-01

    IEA Energy covers a broad range of today's energy issues, from technology to market developments, and highlights the energy challenges of tomorrow. It features a variety of perspectives from government, industry and other intergovernmental organisations -- both in IEA member countries and beyond -- as well as from IEA experts.

  11. Features of Joint Capsule Formation After Antenatal Action of Antigen

    Directory of Open Access Journals (Sweden)

    A.V. Fedotchenko

    2014-10-01

    Full Text Available In this paper using morphometric, histological, histochemical and statistical methods, we have investigated the dynamics of hip joint capsule formation in white laboratory rats during the postnatal period after intrefetal introduction of antigen. It is found that antenatal effect of antigen leads to an increase in the number of lymphocytes, in particular PNA+, in joint capsule. Against this background, we observed an increase in the proportion of cells, the basic substance and elastic fibers, while reducing the content of collagen fibers, violations in polysaccharides and fibroblasts distribution that indicates the development of dysplastic processes in the hip joint and can be regarded as the leading factor of coxarthrosis development. Experimentally, we have detected arachnodactylia as a visual clinical manifestation of dysplasia.

  12. An analysis of the possibility for health implications of joint actions and interactions between food additives

    NARCIS (Netherlands)

    Groten, J.P.; Butler, W.; Feron, V.J.; Kozianowski, G.; Renwick, A.G.; Walker, R.

    2000-01-01

    The possibility that structurally unrelated food additives could show either joint actions or interactions has been assessed based on their potential to share common sites and mechanisms of action or common pathways of elimination. All food additives approved in the European Union and allocated

  13. Joint action coordination in 2½- and 3-year-old children

    NARCIS (Netherlands)

    Meyer, M.; Bekkering, H.; Paulus, M.A.; Hunnius, S.

    2010-01-01

    When acting jointly with others, adults can be as proficient as when acting individually. However, how young children coordinate their actions with another person and how their action coordination develops during early childhood is not well understood. By means of a sequential button-pressing game,

  14. Catenary Action in Rebars Crossing a Casting Joint Loaded in Shear

    DEFF Research Database (Denmark)

    Sørensen, Jesper Harrild; Hoang, Linh Cao; Olesen, John Forbes

    2016-01-01

    Reinforcement crossing a casting joint loaded in shear exhibits catenary action as the shear displacement increases. The load carrying capacity of such a joint is in practice often calculated by use of empirical methods to account for shear friction effects or by a first order plastic analysis...... if dowel action is included. The strength increase/reserve due to catenary action in the rebars is often neglected; however in some cases it may be necessary to utilize the effect in order to ensure overall structural robustness. This paper presents results of a study, where the increased shear capacity...... and theory is found when reasonable material properties are assumed....

  15. Mirror neuron system as the joint from action to language.

    Science.gov (United States)

    Chen, Wei; Yuan, Ti-Fei

    2008-08-01

    Mirror neuron system (MNS) represents one of the most important discoveries of cognitive neuroscience in the past decade, and it has been found to involve in multiple aspects of brain functions including action understanding, imitation, language understanding, empathy, action prediction and speech evolution. This manuscript reviewed the function of MNS in action understanding as well as language evolution, and specifically assessed its roles as the bridge from body language to fluent speeches. Then we discussed the speech defects of autism patients due to the disruption of MNS. Finally, given that MNS is plastic in adult brain, we proposed MNS targeted therapy provides an efficient rehabilitation approach for brain damages conditions as well as autism patients.

  16. IEA policies-G8 recommendations and an afterwards

    International Nuclear Information System (INIS)

    Onoda, Takao

    2009-01-01

    In response to threats posed to the future supply of energy and to the environment, the G8 leaders, in Gleneagles, UK in 2005, agreed to an initiative called the Gleneagles Plan of Action (GPOA) which addresses climate change, clean energy and sustainable development. In the GPOA, G8 leaders pledged to encourage the development of cleaner, more efficient and lower-emitting vehicles, and to promote their deployment by, among other means, asking the IEA to review existing standards and codes for vehicle efficiency and to identify best practices. In order to properly response to the above-mentioned requests from G8 leaders, the IEA has launched, among other activities, study on policies for 'transforming the way we use energy' focusing on end-use efficiency including the one in transport sector and made a comprehensive response to the GPOA at the 2008 G8 Summit Meeting in Japan with 25 recommendations on energy efficiency. Regarding these recommendations, the G8 leaders have proclaimed, in the G8 Hokkaido Toyako Summit Leaders Declaration, that they would maximize implementation of the IEA's 25 recommendations. This paper summarizes the IEA activities in transport sector regarding the GPOA and their findings and recommendations.

  17. Efficient strategy for detecting gene × gene joint action and its application in schizophrenia.

    Science.gov (United States)

    Won, Sungho; Kwon, Min-Seok; Mattheisen, Manuel; Park, Suyeon; Park, Changsoon; Kihara, Daisuke; Cichon, Sven; Ophoff, Roel; Nöthen, Markus M; Rietschel, Marcella; Baur, Max; Uitterlinden, Andre G; Hofmann, A; Lange, Christoph

    2014-01-01

    We propose a new approach to detect gene × gene joint action in genome-wide association studies (GWASs) for case-control designs. This approach offers an exhaustive search for all two-way joint action (including, as a special case, single gene action) that is computationally feasible at the genome-wide level and has reasonable statistical power under most genetic models. We found that the presence of any gene × gene joint action may imply differences in three types of genetic components: the minor allele frequencies and the amounts of Hardy-Weinberg disequilibrium may differ between cases and controls, and between the two genetic loci the degree of linkage disequilibrium may differ between cases and controls. Using Fisher's method, it is possible to combine the different sources of genetic information in an overall test for detecting gene × gene joint action. The proposed statistical analysis is efficient and its simplicity makes it applicable to GWASs. In the current study, we applied the proposed approach to a GWAS on schizophrenia and found several potential gene × gene interactions. Our application illustrates the practical advantage of the proposed method. © 2013 WILEY PERIODICALS, INC.

  18. Shared Action Spaces: a basis function framework for social re-calibration of sensorimotor representations supporting joint action

    Directory of Open Access Journals (Sweden)

    Giovanni ePezzulo

    2013-11-01

    Full Text Available The article explores the possibilities of formalizing and explaining the mechanisms that support spatial and social perspective alignment sustained over the duration of a social interaction. The basic proposed principle is that in social contexts the mechanisms for sensorimotor transformations and multisensory integration (learn to incorporate information relative to the other actor(s, similar to the "re-calibration" of visual receptive fields in response to repeated tool use. This process aligns or merges the co-actors' spatial representations and creates a "Shared Action Space" supporting key computations of social interactions and joint actions; for example, the remapping between the coordinate systems and frames of reference of the co-actors, including perspective taking, the sensorimotor transformations required for lifting jointly an object, and the predictions of the sensory effects of such joint action. The social re-calibration is proposed to be based on common basis function maps and could constitute an optimal solution to sensorimotor transformation and multisensory integration in joint action or more in general social interaction contexts. However, certain situations such as discrepant postural and viewpoint alignment and associated differences in perspectives between the co-actors could constrain the process quite differently. We discuss how alignment is achieved in the first place, and how it is maintained over time, providing a taxonomy of various forms and mechanisms of space alignment and overlap based, for instance, on automaticity vs. control of the transformations between the two agents. Finally, we discuss the link between low-level mechanisms for the sharing of space and high-level mechanisms for the sharing of cognitive representations.

  19. On the Nature of the Semiotic Structure of the Didactic Action: The Joint Action Theory in Didactics within a Comparative Approach

    Science.gov (United States)

    Sensevy, Gérard; Gruson, Brigitte; Forest, Dominique

    2015-01-01

    In this paper, we first sketch the joint action theory paradigm from a general viewpoint in sciences of culture. Then we specify this generic description by focusing on the joint action theory in didactics (JATD). We elaborate on three currently developed elements of the theory: the reticence-expression dialectics; the contract-milieu dialectics,…

  20. Automatic control of positioning along the joint during EBW in conditions of action of magnetic fields

    Science.gov (United States)

    Druzhinina, A. A.; Laptenok, V. D.; Murygin, A. V.; Laptenok, P. V.

    2016-11-01

    Positioning along the joint during the electron beam welding is a difficult scientific and technical problem to achieve the high quality of welds. The final solution of this problem is not found. This is caused by weak interference protection of sensors of the joint position directly in the welding process. Frequently during the electron beam welding magnetic fields deflect the electron beam from the optical axis of the electron beam gun. The collimated X-ray sensor is used to monitor the beam deflection caused by the action of magnetic fields. Signal of X-ray sensor is processed by the method of synchronous detection. Analysis of spectral characteristics of the X-ray sensor showed that the displacement of the joint from the optical axis of the gun affects on the output signal of sensor. The authors propose dual-circuit system for automatic positioning of the electron beam on the joint during the electron beam welding in conditions of action of magnetic interference. This system includes a contour of joint tracking and contour of compensation of magnetic fields. The proposed system is stable. Calculation of dynamic error of system showed that error of positioning does not exceed permissible deviation of the electron beam from the joint plane.

  1. Searching for roots of entrainment and joint action in early musical interactions

    Directory of Open Access Journals (Sweden)

    Jessica ePhillips-Silver

    2012-02-01

    Full Text Available When people play music and dance together, they engage in forms of musical joint action that are often characterized by a shared sense of rhythmic timing and affective state (i.e., temporal and affective entrainment. In order to understand the origins of musical joint action, we propose a model in which entrainment is linked to dual mechanisms (motor resonance and action simulation, which in turn support musical behavior (imitation and complementary joint action. To illustrate this model, we consider two generic forms of joint musical behavior: chorusing and turn-taking. We explore how these common behaviors can be founded on entrainment capacities established early in human development, specifically during musical interactions between infants and their caregivers. If the roots of entrainment are found in early musical interactions which are practiced from childhood into adulthood, then we propose that the rehearsal of advanced musical ensemble skills can be considered to be a refined, mimetic form of temporal and affective entrainment whose evolution begins in infancy.

  2. EVALUATING THE TARGET, EFFECT, ACTION INTERACTION (TEA MODEL OF SPINAL MANIPULATION THERAPY ON SACROILIAC JOINT DYSFUNCTION

    Directory of Open Access Journals (Sweden)

    Muhammad Salman Bashir

    2017-08-01

    Full Text Available Background: In physical therapy, usually the effects of treatment on any condition will be evaluated based on the mode of action on the target tissue. Some treatments will have direct and indirect effects. Due to indirect effects, there may be changes in other tissues or systems in and around the target tissue. The interaction between target, effect, and action was studied under TEA model. In sacroiliac joint dysfunction, Muscle Energy Technique (MET and Spinal Manipulation Therapy (SMT were proved as useful treatment approaches but one is targeted on muscles (MET the other targets on joint (SMT. The indirect effects of both the approaches can’t be neglected. This study focused on evaluating indirect effects of SMT. Methods: A pilot study was conducted to see the effect of Spinal Manipulation Therapy on muscles (Transverse Abdominus, Internal Oblique when applied in patients with sacroiliac joint dysfunction. 44 subjects diagnosed with sacroiliac joint dysfunction were recruited in the study. Resting thickness was measured by ultrasound before and after Spinal Manipulation Therapy. SPSS version 17 was used for statistical analysis. Paired t-test compared pre and post test results. Results: After conducting Pilot study revealed that Pre resting thickness of Transverse Abdominus and Internal Oblique is (3.5±0.10 and (5.47± 0.15 Post resting Thickness of TrA (Transverse Abdominus and Internal Oblique (IO is (3.90±0.12 and (7.63±0.80 Results are significant as P-Value 0.000 that is <0.05. Conclusion: Here is concluded that SMT is a useful method to treat muscles through its direct action is on the Sacroiliac joint in Sacroiliac joint dysfunction. So we can use it for treating muscles by applying on joints (Indirect method.

  3. A Common Force-Sharing Pattern in Joint Action That Consists of Four People.

    Science.gov (United States)

    Masumoto, Junya; Inui, Nobuyuki

    2017-12-20

    The authors examined the force-sharing patterns in a joint action performed by a group of two, three, or four people compared with a solo action. In the joint actions, 28 participants produced periodic isometric forces such that the sum of forces they produced cycled between 5% and 10% maximum voluntary contraction with the right hand at 1 Hz. In both the three- and four-person tasks, the correlation between forces produced by two of the three or four participants was negative, and the remaining one or two participants produced intermediate forces. The errors of force and interval and force variabilities were smaller in four- and three-people groups than individuals. Four- and three-people groups thus performed better than individuals.

  4. Forelimb muscle and joint actions in Archosauria: insights from Crocodylus johnstoni (Pseudosuchia and Mussaurus patagonicus (Sauropodomorpha

    Directory of Open Access Journals (Sweden)

    Alejandro Otero

    2017-11-01

    Full Text Available Many of the major locomotor transitions during the evolution of Archosauria, the lineage including crocodiles and birds as well as extinct Dinosauria, were shifts from quadrupedalism to bipedalism (and vice versa. Those occurred within a continuum between more sprawling and erect modes of locomotion and involved drastic changes of limb anatomy and function in several lineages, including sauropodomorph dinosaurs. We present biomechanical computer models of two locomotor extremes within Archosauria in an analysis of joint ranges of motion and the moment arms of the major forelimb muscles in order to quantify biomechanical differences between more sprawling, pseudosuchian (represented the crocodile Crocodylus johnstoni and more erect, dinosaurian (represented by the sauropodomorph Mussaurus patagonicus modes of forelimb function. We compare these two locomotor extremes in terms of the reconstructed musculoskeletal anatomy, ranges of motion of the forelimb joints and the moment arm patterns of muscles across those ranges of joint motion. We reconstructed the three-dimensional paths of 30 muscles acting around the shoulder, elbow and wrist joints. We explicitly evaluate how forelimb joint mobility and muscle actions may have changed with postural and anatomical alterations from basal archosaurs to early sauropodomorphs. We thus evaluate in which ways forelimb posture was correlated with muscle leverage, and how such differences fit into a broader evolutionary context (i.e. transition from sprawling quadrupedalism to erect bipedalism and then shifting to graviportal quadrupedalism. Our analysis reveals major differences of muscle actions between the more sprawling and erect models at the shoulder joint. These differences are related not only to the articular surfaces but also to the orientation of the scapula, in which extension/flexion movements in Crocodylus (e.g. protraction of the humerus correspond to elevation/depression in Mussaurus. Muscle

  5. Kinematics fingerprints of leader and follower role-taking during cooperative joint actions.

    Science.gov (United States)

    Sacheli, Lucia Maria; Tidoni, Emmanuele; Pavone, Enea Francesco; Aglioti, Salvatore Maria; Candidi, Matteo

    2013-05-01

    Performing online complementary motor adjustments is quintessential to joint actions since it allows interacting people to coordinate efficiently and achieve a common goal. We sought to determine whether, during dyadic interactions, signaling strategies and simulative processes are differentially implemented on the basis of the interactional role played by each partner. To this aim, we recorded the kinematics of the right hand of pairs of individuals who were asked to grasp as synchronously as possible a bottle-shaped object according to an imitative or complementary action schedule. Task requirements implied an asymmetric role assignment so that participants performed the task acting either as (1) Leader (i.e., receiving auditory information regarding the goal of the task with indications about where to grasp the object) or (2) Follower (i.e., receiving instructions to coordinate their movements with their partner's by performing imitative or complementary actions). Results showed that, when acting as Leader, participants used signaling strategies to enhance the predictability of their movements. In particular, they selectively emphasized kinematic parameters and reduced movement variability to provide the partner with implicit cues regarding the action to be jointly performed. Thus, Leaders make their movements more "communicative" even when not explicitly instructed to do so. Moreover, only when acting in the role of Follower did participants tend to imitate the Leader, even in complementary actions where imitation is detrimental to joint performance. Our results show that mimicking and signaling are implemented in joint actions according to the interactional role of the agent, which in turn is reflected in the kinematics of each partner.

  6. IEA Bioenergy Annual Report 1994

    International Nuclear Information System (INIS)

    1995-01-01

    The report describes the work in the Executive Committee and includes short reports from the four tasks which have been in operation 1992-94: Task VIII - Efficient and Environmentally-Sound Biomass Production Systems; Task IX - Harvesting and Supply of Woody Biomass for Energy; Task X - Biomass Utilization; Task XI - The Conversion of Municipal Solid Waste Feedstocks to Energy. The three new tasks (XII-XIV) for the period 1995-97 approved during 1994 are presented in the report. At the end of 1994 there were sixteen Contracting Parties to the IEA Bioenergy Agreement - Fifteen countries plus the European Commission. 164 refs

  7. IEA Bioenergy Annual Report 1994

    Energy Technology Data Exchange (ETDEWEB)

    1995-01-31

    The report describes the work in the Executive Committee and includes short reports from the four tasks which have been in operation 1992-94: Task VIII - Efficient and Environmentally-Sound Biomass Production Systems; Task IX - Harvesting and Supply of Woody Biomass for Energy; Task X - Biomass Utilization; Task XI - The Conversion of Municipal Solid Waste Feedstocks to Energy. The three new tasks (XII-XIV) for the period 1995-97 approved during 1994 are presented in the report. At the end of 1994 there were sixteen Contracting Parties to the IEA Bioenergy Agreement - Fifteen countries plus the European Commission. 164 refs

  8. Joint Contribution of Left Dorsal Premotor Cortex and Supramarginal Gyrus to Rapid Action Reprogramming

    DEFF Research Database (Denmark)

    Hartwigsen, Gesa; Siebner, Hartwig R

    2015-01-01

    human subjects performed a spatially-precued reaction time task. RESULTS: Relative to sham rTMS, effective online perturbation of left PMd significantly impaired both the response speed and accuracy in trials that were invalidly pre-cued and required the subject to reprogram the prepared action......BACKGROUND: The rapid adaptation of actions to changes in the environment is crucial for survival. We previously demonstrated a joint contribution of left dorsal premotor cortex (PMd) and left supramarginal gyrus (SMG) to action reprogramming. However, we did not probe the contribution of PMd...... to the speed and accuracy of action reprogramming and how the functional relevance of PMd changes in the presence of a dysfunctional SMG. OBJECTIVE: This study further dissociated the unique contribution of left PMd and SMG to action reprogramming. Specifically, we tested whether the critical contribution...

  9. IEA SHC Task 42 / ECES Annex 29 - Working Group B: Applications of Compact Thermal Energy Storage

    NARCIS (Netherlands)

    Helden, W. van; Yamaha, M.; Rathgeber, C.; Hauer, A.; Huaylla, F.; Le Pierrès, N.; Stutz, B.; Mette, B.; Dolado, P.; Lazaro, A.; Mazo, J.; Dannemand, M.; Furbo, S.; Campos-Celador, A.; Diarce, G.; Cuypers, R.; König-Haagen, A.; Höhlein, S.; Brüggemann, D.; Fumey, B.; Weber, R.; Köll, R.; Wagner, W.; Daguenet-Frick, X.; Gantenbein, P.; Kuznik, F.

    2016-01-01

    The IEA joint Task 42 / Annex 29 is aimed at developing compact thermal energy storage materials and systems. In Working Group B, experts are working on the development of compact thermal energy storage applications, in the areas cooling, domestic heating and hot water and industry. The majority of

  10. Joint Facial Action Unit Detection and Feature Fusion: A Multi-conditional Learning Approach.

    Science.gov (United States)

    Eleftheriadis, Stefanos; Rudovic, Ognjen; Pantic, Maja

    2016-10-05

    Automated analysis of facial expressions can benefit many domains, from marketing to clinical diagnosis of neurodevelopmental disorders. Facial expressions are typically encoded as a combination of facial muscle activations, i.e., action units. Depending on context, these action units co-occur in specific patterns, and rarely in isolation. Yet, most existing methods for automatic action unit detection fail to exploit dependencies among them, and the corresponding facial features. To address this, we propose a novel multi-conditional latent variable model for simultaneous fusion of facial features and joint action unit detection. Specifically, the proposed model performs feature fusion in a generative fashion via a low-dimensional shared subspace, while simultaneously performing action unit detection using a discriminative classification approach. We show that by combining the merits of both approaches, the proposed methodology outperforms existing purely discriminative/generative methods for the target task. To reduce the number of parameters, and avoid overfitting, a novel Bayesian learning approach based on Monte Carlo sampling is proposed, to integrate out the shared subspace. We validate the proposed method on posed and spontaneous data from three publicly available datasets (CK+, DISFA and Shoulder-pain), and show that both feature fusion and joint learning of action units leads to improved performance compared to the state-of-the-art methods for the task.

  11. Rhythm in joint action: psychological and neurophysiological mechanisms for real-time interpersonal coordination

    Science.gov (United States)

    Keller, Peter E.; Novembre, Giacomo; Hove, Michael J.

    2014-01-01

    Human interaction often requires simultaneous precision and flexibility in the coordination of rhythmic behaviour between individuals engaged in joint activity, for example, playing a musical duet or dancing with a partner. This review article addresses the psychological processes and brain mechanisms that enable such rhythmic interpersonal coordination. First, an overview is given of research on the cognitive-motor processes that enable individuals to represent joint action goals and to anticipate, attend and adapt to other's actions in real time. Second, the neurophysiological mechanisms that underpin rhythmic interpersonal coordination are sought in studies of sensorimotor and cognitive processes that play a role in the representation and integration of self- and other-related actions within and between individuals' brains. Finally, relationships between social–psychological factors and rhythmic interpersonal coordination are considered from two perspectives, one concerning how social-cognitive tendencies (e.g. empathy) affect coordination, and the other concerning how coordination affects interpersonal affiliation, trust and prosocial behaviour. Our review highlights musical ensemble performance as an ecologically valid yet readily controlled domain for investigating rhythm in joint action. PMID:25385772

  12. Proceedings of the IEA Working Group meeting on ferritic/martensitic steels

    International Nuclear Information System (INIS)

    Klueh, R.L.

    1996-01-01

    An IEA working group on ferritic/martensitic steels for fusion applications, consisting of researchers from Japan, European Union, USA, and Switzerland, met at the headquarters of the Joint European Torus, Culham, UK. At the meeting, preliminary data generated on the large heats of steels purchased for the IEA program and on other heats of steels were presented and discussed. Second purpose of the meeting was to continue planning and coordinating the collaborative test program in progress on reduced-activation ferritic/martensitic steels. The majority of this report consists of viewographs for the presentations

  13. Energy use in the new millenium. Trends in IEA countries

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-09-10

    At their Gleneagles Summit in July 2005, G8 leaders identified climate change and securing clean energy and sustainable development as key global challenges. They agreed that we must transform the way we use energy and that we must start now. Improved energy efficiency is essential to meeting this goal. Therefore, the G8 asked the IEA to provide analysis of energy use and efficiency developments in buildings, appliances, transport and industry. This publication is a response to the G8 request. Looking back, it shows how changes in energy efficiency, economic structure, income, prices and fuel mix have affected recent trends in energy use and CO2 emissions in IEA countries. The results are a 'wake-up call' for us all. Since 1990, the rate of energy efficiency improvement in IEA countries has been less than 1% per year - much lower than in previous decades and not nearly enough to stem the growth of CO2 emissions. If we are to tackle climate change and move towards a sustainable energy future then this rate will need to double. We must - and we can - do better. By means of in-depth energy indicators, this publication provides important insights to policy-makers about current energy use and CO2 emission patterns that will help shape priorities for future action.

  14. The joint Simon effect depends on perceived agency, but not intentionality, of the alternative action

    Directory of Open Access Journals (Sweden)

    Anna eStenzel

    2014-08-01

    Full Text Available A co-actor’s intentionality has been suggested to be a key modulating factor for joint action effects like the joint Simon effect (JSE. However, in previous studies intentionality has often been confounded with agency defined as perceiving the initiator of an action as being the causal source of the action. The aim of the present study was to disentangle the role of agency and intentionality as modulating factors of the JSE. In Experiment 1, participants performed a joint go/nogo Simon task next to a co-actor who either intentionally controlled a response button with own finger movements (agency+/intentionality+ or who passively placed the hand on a response button that moved up and down on its own as triggered by computer signals (agency-/intentionality-. In Experiment 2, we included a condition in which participants believed that the co-actor intentionally controlled the response button with a Brain-Computer Interface while placing the response finger clearly besides the response button, so that the causal relationship between agent and action effect was perceptually disrupted (agency-/intentionality+. As a control condition, the response button was computer controlled while the co-actor placed the response finger besides the response button (agency-/intentionality-. We observed a JSE when the co-actor responded intentionally and the causal relationship between co-actor and action effect could be perceived, but not when the co-actor did not respond intentionally and the causal relationship was disrupted (Experiment 1. When the intentionality of the co-actor was maintained but the perception of the causal relationship between co-actor and action effect destroyed, the JSE was absent (Experiment 2. Our findings clearly indicate a vital role of a co-actor’s agency for the JSE and suggest that the ascription of agency is strongly perceptually grounded.

  15. Energy policies of IEA countries: 1994 review

    International Nuclear Information System (INIS)

    1995-01-01

    This 1994 edition contributes to the IEA's on-going analysis of countries'energy policies and market developments. it reviews recent trends and developments in energy demand and supply, efficiency, technology and environment. This year's Energy Policies includes: - critical reviews of all 23 IEA Member countries, including in-depth reviews of Finland, Ireland, Italy, Japan, Luxembourg and Switzerland; - a synthesis report highlighting major energy policy developments and market trends in IEA Member countries and an overview of significant energy developments elsewhere in the world; -an analysis of trends in key energy indicators over a twenty year period. (authors)

  16. Taking two to tango: fMRI analysis of improvised joint action with physical contact

    Science.gov (United States)

    Belyk, Michel; Brown, Steven

    2018-01-01

    Many forms of joint action involve physical coupling between the participants, such as when moving a sofa together or dancing a tango. We report the results of a novel two-person functional MRI study in which trained couple dancers engaged in bimanual contact with an experimenter standing next to the bore of the magnet, and in which the two alternated between being the leader and the follower of joint improvised movements. Leading showed a general pattern of self-orientation, being associated with brain areas involved in motor planning, navigation, sequencing, action monitoring, and error correction. In contrast, following showed a far more sensory, externally-oriented pattern, revealing areas involved in somatosensation, proprioception, motion tracking, social cognition, and outcome monitoring. We also had participants perform a “mutual” condition in which the movement patterns were pre-learned and the roles were symmetric, thereby minimizing any tendency toward either leading or following. The mutual condition showed greater activity in brain areas involved in mentalizing and social reward than did leading or following. Finally, the analysis of improvisation revealed the dual importance of motor-planning and working-memory areas. We discuss these results in terms of theories of both joint action and improvisation. PMID:29324862

  17. The IEA Large Coil Task

    International Nuclear Information System (INIS)

    Beard, D.S.; Klose, W.; Shimamoto, S.; Vecsey, G.

    1988-01-01

    A multinational program of cooperative research, development, demonstrations, and exchanges of information on superconducting magnets for fusion was initiated in 1977 under an IEA agreement. The first major step in the development of TF magnets was called the Large Coil Task. Participants in LCT were the U.S. DOE, EURATOM, JAERI, and the Departement Federal de l'Interieur of Switzerland. The goals of LCT were to obtain experimental data, to demonstrate reliable operation of large superconducting coils, and to prove design principles and fabrication techniques being considered for the toroidal magnets of thermonuclear reactors. These goals were to be accomplished through coordinated but largely independent design, development, and construction of six test coils, followed by collaborative testing in a compact toroidal test array at fields of 8 T and higher. Under the terms of the IEA Agreement, the United States built and operated the test facility at Oak Ridge and provided three test coils. The other participants provided one coil each. Information on design and manufacturing and all test data were shared by all. The LCT team of each participant included a government laboratory and industrial partners or contractors. The last coil was completed in 1985, and the test assembly was completed in October of that year. Over the next 23 months, the six-coil array was cooled down and extensive testing was performed. Results were gratifying, as tests achieved design-point performance and well beyond. (Each coil reached a peak field of 9 T.) Experiments elucidated coil behavior, delineated limits of operability, and demonstrated coil safety. (orig./KP)

  18. IEA Energy Technology Essentials: Biofuel Production

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-01-15

    The IEA Energy Technology Essentials series offers concise four-page updates on the different technologies for producing, transporting and using energy. Biofuel Production is the topic covered in this edition.

  19. IEA Energy Technology Essentials: Nuclear Power

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-03-15

    The IEA Energy Technology Essentials series offers concise four-page updates on the different technologies for producing, transporting and using energy. Nuclear power is the topic covered in this edition.

  20. IEA Energy Technology Essentials: Fuel Cells

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-04-15

    The IEA Energy Technology Essentials series offers concise four-page updates on the different technologies for producing, transporting and using energy. Fuel cells is the topic covered in this edition.

  1. Energy investments as foreseen by the IEA

    International Nuclear Information System (INIS)

    Anon.

    2004-01-01

    A new study carried out by the international energy agency (IEA) completes the previous analysis made by the World Energy Outlook and published in September 2002. The IEA study make a projection over the coming 30 years of the investments required for the transformation of the energy resources into the necessary supplies to the growing up world population needs. In addition to the IEA team, 63 French and foreign experts contributed to this study. This work has been carried out under the direction of F. Birol, economic director of the IEA. The reference scenario is the one of the 2002 edition of the World Energy Outlook, according to which the world energy market would show a growth of about two thirds during the next three decades, which corresponds to a yearly growth of 1.7%. This article summarizes the content of this study. (J.S.)

  2. IEA Energy Training Capacity-building Programme

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2009-07-01

    The IEA has carried out training activities in energy-related areas from its origins as an agency, with the Emergency Response Exercises (ERE), designed to prepare member countries for oil supply disruption through a set of specially prepared drills simulating crisis conditions. The globalisation of world energy markets in recent years and the wider engagement of the IEA beyond its members have expanded this role, as demand for training instruction has increased. In response, the IEA has created the Energy Training and Capacity-Building Programme, which, through seminars and workshops, secondments and internships, will offer training in the methods and standards that make IEA work in a wide range of energy-related areas, including statistics, the international standard for objective policy recommendations.

  3. Streamlined Approach for Environmental Restoration Work Plan for Corrective Action Unit 461: Joint Test Assembly Sites and Corrective Action Unit 495: Unconfirmed Joint Test Assembly Sites Tonopah Test Range, Nevada

    Energy Technology Data Exchange (ETDEWEB)

    Jeff Smith

    1998-08-01

    This Streamlined Approach for Environmental Restoration plan addresses the action necessary for the clean closure of Corrective Action Unit 461 (Test Area Joint Test Assembly Sites) and Corrective Action Unit 495 (Unconfirmed Joint Test Assembly Sites). The Corrective Action Units are located at the Tonopah Test Range in south central Nevada. Closure for these sites will be completed by excavating and evaluating the condition of each artillery round (if found); detonating the rounds (if necessary); excavating the impacted soil and debris; collecting verification samples; backfilling the excavations; disposing of the impacted soil and debris at an approved low-level waste repository at the Nevada Test Site

  4. Findings of recent IEA work 2007

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    This new edition of 'Findings of recent IEA work' provides a sample of the Agency's activities since its 2005 Ministerial meeting. Each page focuses on a specific subject or project, including references to IEA work that will be of use to governments, academics, journalists and the wider public. This volume is not all-inclusive, but seeks to highlight IEA efforts to respond to the concerns of its member countries and identify ways to overcome the energy challenges we face. Since the last meeting of IEA energy ministers in May 2005, the global energy picture has changed. The challenges of energy security and climate change have moved higher on the agenda. To this end, the IEA ministers and the G8 have asked the IEA to make concrete recommendations to achieve a 'clean, competitive and clever energy future'. Energy efficiency is a vital first step, but strong commitment to research, development and deployment of technology is essential for the longer term. Some specific topics reported included are: Coal: responding to the challenges; CO{sub 2} emissions from fuel combustion; Emissions trading for climate policy; CO{sub 2} capture and storage technologies; Russian energy policy developments; and Coal in China.

  5. Interactional leader–follower sensorimotor communication strategies during repetitive joint actions

    Science.gov (United States)

    Candidi, Matteo; Curioni, Arianna; Donnarumma, Francesco; Sacheli, Lucia Maria; Pezzulo, Giovanni

    2015-01-01

    Non-verbal communication is the basis of animal interactions. In dyadic leader–follower interactions, leaders master the ability to carve their motor behaviour in order to ‘signal’ their future actions and internal plans while these signals influence the behaviour of follower partners, who automatically tend to imitate the leader even in complementary interactions. Despite their usefulness, signalling and imitation have a biomechanical cost, and it is unclear how this cost–benefits trade-off is managed during repetitive dyadic interactions that present learnable regularities. We studied signalling and imitation dynamics (indexed by movement kinematics) in pairs of leaders and followers during a repetitive, rule-based, joint action. Trial-by-trial Bayesian model comparison was used to evaluate the relation between signalling, imitation and pair performance. The different models incorporate different hypotheses concerning the factors (past interactions versus online movements) influencing the leader's signalling (or follower's imitation) kinematics. This approach showed that (i) leaders' signalling strategy improves future couple performance, (ii) leaders used the history of past interactions to shape their signalling, (iii) followers' imitative behaviour is more strongly affected by the online movement of the leader. This study elucidates the ways online sensorimotor communication help individuals align their task representations and ultimately improves joint action performance. PMID:26333815

  6. Granger causality mapping during joint actions reveals evidence for forward models that could overcome sensory-motor delays.

    Directory of Open Access Journals (Sweden)

    Idil Kokal

    Full Text Available Studies investigating joint actions have suggested a central role for the putative mirror neuron system (pMNS because of the close link between perception and action provided by these brain regions [1], [2], [3]. In contrast, our previous functional magnetic resonance imaging (fMRI experiment demonstrated that the BOLD response of the pMNS does not suggest that it directly integrates observed and executed actions during joint actions [4]. To test whether the pMNS might contribute indirectly to the integration process by sending information to brain areas responsible for this integration (integration network, here we used Granger causality mapping (GCM [5]. We explored the directional information flow between the anterior sites of the pMNS and previously identified integrative brain regions. We found that the left BA44 sent more information than it received to both the integration network (left thalamus, right middle occipital gyrus and cerebellum and more posterior nodes of the pMNS (BA2. Thus, during joint actions, two anatomically separate networks therefore seem effectively connected and the information flow is predominantly from anterior to posterior areas of the brain. These findings suggest that the pMNS is involved indirectly in joint actions by transforming observed and executed actions into a common code and is part of a generative model that could predict the future somatosensory and visual consequences of observed and executed actions in order to overcome otherwise inevitable neural delays.

  7. BUBE. Better Use of Biomass for Energy. Background Report to the Position Paper of IEA RETD and IEA Bioenergy

    International Nuclear Information System (INIS)

    Fritsche, U.R.; Henneberg, K.; Huenecke, K.; Kampman, B.; Bergsma, G.; Schepers, B.; Croezen, H.; Molenaar, J.W.; Kessler, J.J.; Slingerland, S.; Van der Linde, C.

    2010-07-01

    This report aims to provide a document that gives guidance on the issue of biomass energy policies in OECD countries. The main conclusions and messages from this project were published in a joint IEA RETD and IEA Bioenergy Position Paper and presented at the COP15 in December 2009. As the main contributor to renewable energy around the world (about 10% of total energy consumption), the term 'biomass for energy' covers a broad range of products, including traditional use of wood for cooking and heating, industrial process heat, co-firing of biomass in coal-based power plants, biogas and biofuels. In many OECD countries, bioenergy is deployed to reduce fossil fuel use and improve security of supply, reduce greenhouse gas emissions and/or create new employment. Modern biomass can be more expensive than its fossil competitors, however, and there is evidence that biomass, unless produced sustainable, could have significant negative environmental and socio-economic impacts. This report elaborates on how to improve the use of biomass for energy. It assesses and provides guidelines on how to make better use of sustainable biomass potential and how to increase the positive and reduce the negative impacts.

  8. BUBE. Better Use of Biomass for Energy. Background Report to the Position Paper of IEA RETD and IEA Bioenergy

    Energy Technology Data Exchange (ETDEWEB)

    Fritsche, U.R.; Henneberg, K.; Huenecke, K. [Oeko-Institut, Freiburg (Germany); Kampman, B.; Bergsma, G.; Schepers, B.; Croezen, H. [CE Delft, Delft (Netherlands); Molenaar, J.W.; Kessler, J.J. [AidEnvironment, Amsterdam (Netherlands); Slingerland, S.; Van der Linde, C. [Clingendael International Energy Programme CIEP, Den Haag (Netherlands)

    2010-07-15

    This report aims to provide a document that gives guidance on the issue of biomass energy policies in OECD countries. The main conclusions and messages from this project were published in a joint IEA RETD and IEA Bioenergy Position Paper and presented at the COP15 in December 2009. As the main contributor to renewable energy around the world (about 10% of total energy consumption), the term 'biomass for energy' covers a broad range of products, including traditional use of wood for cooking and heating, industrial process heat, co-firing of biomass in coal-based power plants, biogas and biofuels. In many OECD countries, bioenergy is deployed to reduce fossil fuel use and improve security of supply, reduce greenhouse gas emissions and/or create new employment. Modern biomass can be more expensive than its fossil competitors, however, and there is evidence that biomass, unless produced sustainable, could have significant negative environmental and socio-economic impacts. This report elaborates on how to improve the use of biomass for energy. It assesses and provides guidelines on how to make better use of sustainable biomass potential and how to increase the positive and reduce the negative impacts.

  9. Does ankle joint power reflect type of muscle action of soleus and gastrocnemius during walking in cats and humans?

    Science.gov (United States)

    Cronin, Neil J; Prilutsky, Boris I; Lichtwark, Glen A; Maas, Huub

    2013-04-26

    The main objective of this paper is to highlight the difficulties of identifying shortening and lengthening contractions based on analysis of power produced by resultant joint moments. For that purpose, we present net ankle joint powers and muscle fascicle/muscle-tendon unit (MTU) velocities for medial gastrocnemius (MG) and soleus (SO) muscles during walking in species of different size (humans and cats). For the cat, patterns of ankle joint power and MTU velocity of MG and SO during stance were similar: negative power (ankle moment×angular velocityankle joint power and fascicle velocity patterns were observed for MG muscle. In humans, like cats, the patterns of ankle joint power and MTU velocity of SO and MG were similar. Unlike the cat, there were substantial differences between patterns of fascicle velocity and ankle joint power during stance in both muscles. These results indicate that during walking, only a small fraction of mechanical work of the ankle moment is either generated or absorbed by the muscle fascicles, thus confirming the contribution of in-series elastic structures and/or energy transfer via two-joint muscles. We conclude that ankle joint negative power does not necessarily indicate eccentric action of muscle fibers and that positive power cannot be exclusively attributed to muscle concentric action, especially in humans. Copyright © 2013 Elsevier Ltd. All rights reserved.

  10. IEA FBC Biannual report 1993-1994

    Energy Technology Data Exchange (ETDEWEB)

    Hupa, M.; Matinlinna, J.

    1995-12-31

    This publication is the 14th report (biannual, 1993-1994) of the Executive Committee of the International Energy Agency (IEA) Implement Agreement for Co-operation in the Filed of Fluidized Bed Conversion of Fuels Applied to Clean Energy Production. It has been submitted to IEA in accordance with the provisions of the agreement. This report is edited by Aabo Akademi University, Finland, which has been the operating agent during 1994. The report includes contributions from all the participating member countries. During this period Aabo Akademi University received additional financial support from the Combustion and Gasification Programme LIEKKI 2 of Finland

  11. Motor simulation and the coordination of self and other in real-time joint action.

    Science.gov (United States)

    Novembre, Giacomo; Ticini, Luca F; Schütz-Bosbach, Simone; Keller, Peter E

    2014-08-01

    Joint actions require the integration of simultaneous self- and other-related behaviour. Here, we investigated whether this function is underpinned by motor simulation, that is the capacity to represent a perceived action in terms of the neural resources required to execute it. This was tested in a music performance experiment wherein on-line brain stimulation (double-pulse transcranial magnetic stimulation, dTMS) was employed to interfere with motor simulation. Pianists played the right-hand part of piano pieces in synchrony with a recording of the left-hand part, which had (Trained) or had not (Untrained) been practiced beforehand. Training was assumed to enhance motor simulation. The task required adaptation to tempo changes in the left-hand part that, in critical conditions, were preceded by dTMS delivered over the right primary motor cortex. Accuracy of tempo adaptation following dTMS or sham stimulations was compared across Trained and Untrained conditions. Results indicate that dTMS impaired tempo adaptation accuracy only during the perception of trained actions. The magnitude of this interference was greater in empathic individuals possessing a strong tendency to adopt others' perspectives. These findings suggest that motor simulation provides a functional resource for the temporal coordination of one's own behaviour with others in dynamic social contexts. © The Author (2013). Published by Oxford University Press. For Permissions, please email: journals.permissions@oup.com.

  12. IEA SHC Task 42/ECES Annex 29–Working Group B

    DEFF Research Database (Denmark)

    van Helden, Wim; Yamaha, Motoi; Rathgeber, Christoph

    2016-01-01

    The IEA joint Task 42 / Annex 29 is aimed at developing compact thermal energy storage materials and systems. In Working Group B, experts are working on the development of compact thermal energy storage applications, in the areas cooling, domestic heating and hot water and industry. The majority...... challenges like the occurrence of non-condensable gases and thermo-mechanical effects and that standardized and simplified system approaches are needed....

  13. Joint action of some usable important broadleaf herbicides in sugar beet

    Directory of Open Access Journals (Sweden)

    AliAsghar Chitband

    2018-01-01

    Full Text Available Introduction: The assessment of the effect of mixtures could be based on various concepts whether we work within toxicology, pharmacology or weed control. Combinations of certain herbicides can give better weed control than use of the individual herbicide alone and/or loss of weed control when use of certain other herbicides in combination. Predicting the joint action of mixtures is extremely difficult, unless the compounds are known to interact at the same site of action. These most common methods to analyze the joint action of herbicide mixtures are the Additive Dose Model (ADM or the Multiplicative Survival Model (MSM. The ADM assumes the two compounds have similar modes of action (do not interact in the receiver plant, i.e. effective doses of each component will not change by mixing. ADM has been widely accepted as a valid method to estimate joint action of mixtures sharing the same or similar action mechanisms in the receiver plant. MSM has been reported to yield more accurate results for mixture toxicity than ADM do when the components exhibited different or dissimilar modes of action in the receiver plant. ADM or Concentration Addition (CA is used here to test for deviation of additivity of doses using the ADM isoboles as reference; any deviation from the ADM is characterized by antagonism when the efficacy of a mixture is lower than predicted by the reference model and synergistic when the efficacy is higher than predicted. Materials and Methods: In order to determine joint action of some usable important broadleaf herbicides in sugar beet, six experiments were conducted at the research glasshouse in Faculty of Agriculture, Ferdowsi University of Mashhad, Iran. The plants were sprayed with seven doses of commercial formulation of desmedipham + phenmedipham + ethofumesate (Betanal Progress- OF®, 427 g a.i. L-1, Tragusa, Spain, chloridazon (Pyramin®, 1361 g a.i. L-1, BASF, Germany, clopyralid (Lontrel®, 149 g a.i. L-1, Golsam, Gorgan

  14. Experimental semiotics: a new approach for studying communication as a form of joint action.

    Science.gov (United States)

    Galantucci, Bruno

    2009-04-01

    In the last few years, researchers have begun to investigate the emergence of novel forms of human communication in the laboratory. I survey this growing line of research, which may be called experimental semiotics, from three distinct angles. First, I situate the new approach in its theoretical and historical context. Second, I review a sample of studies that exemplify experimental semiotics. Third, I present an empirical study that illustrates how the new approach can help us understand the socio-cognitive underpinnings of human communication. The main conclusion of the paper will be that, by reproducing micro samples of historical processes in the laboratory, experimental semiotics offers new powerful tools for investigating human communication as a form of joint action. Copyright © 2009 Cognitive Science Society, Inc.

  15. Rhythm Patterns Interaction - Synchronization Behavior for Human-Robot Joint Action

    Science.gov (United States)

    Mörtl, Alexander; Lorenz, Tamara; Hirche, Sandra

    2014-01-01

    Interactive behavior among humans is governed by the dynamics of movement synchronization in a variety of repetitive tasks. This requires the interaction partners to perform for example rhythmic limb swinging or even goal-directed arm movements. Inspired by that essential feature of human interaction, we present a novel concept and design methodology to synthesize goal-directed synchronization behavior for robotic agents in repetitive joint action tasks. The agents’ tasks are described by closed movement trajectories and interpreted as limit cycles, for which instantaneous phase variables are derived based on oscillator theory. Events segmenting the trajectories into multiple primitives are introduced as anchoring points for enhanced synchronization modes. Utilizing both continuous phases and discrete events in a unifying view, we design a continuous dynamical process synchronizing the derived modes. Inverse to the derivation of phases, we also address the generation of goal-directed movements from the behavioral dynamics. The developed concept is implemented to an anthropomorphic robot. For evaluation of the concept an experiment is designed and conducted in which the robot performs a prototypical pick-and-place task jointly with human partners. The effectiveness of the designed behavior is successfully evidenced by objective measures of phase and event synchronization. Feedback gathered from the participants of our exploratory study suggests a subjectively pleasant sense of interaction created by the interactive behavior. The results highlight potential applications of the synchronization concept both in motor coordination among robotic agents and in enhanced social interaction between humanoid agents and humans. PMID:24752212

  16. Analysing the Continuity of Teaching and Learning in Classroom Actions: When the Joint Action Framework in Didactics Meets the Pragmatist Approach to Classroom Discourses

    Science.gov (United States)

    Ligozat, Florence; Lundqvist, Eva; Amade-Escot, Chantal

    2018-01-01

    One strand of comparative didactics aims at discussing the relationships between the theoretical constructions developed within subject didactics and how these can contribute to research about teaching and learning. This article explores the relationships between categories for analysing joint actions of teacher and students (didactic contract,…

  17. Success factors for international HTA projects: evaluating EUnetHTA Joint Action as an exemplar.

    Science.gov (United States)

    Guegan, Eleanor Woodford; Cook, Andrew

    2014-11-01

    Evaluation is essential for the management of international projects or networks in health technology assessment (HTA). It extends beyond the normal process of project management by incorporating qualitative dimensions and provides information about a project's effectiveness and achievements. This article aimed to identify the factors that are important for the success of international HTA projects. The European network for Health Technology Assessment Joint Action (EUnetHTA JA) is presented as an exemplar. METHODS for the evaluation of international HTA projects include interviews, focus groups, questionnaires, observations and documentary review, and the key points of these approaches have been summarized. The impact and effectiveness of the EUnetHTA JA was evaluated by questionnaires of project participants and external stakeholders, and by documentary review. The response rate for the three annual questionnaires sent to project participants ranged from 86 percent to 88 percent and for external stakeholders ranged from 65 percent to 88 percent. Key factors for project success included production of deliverables according to the workplan, achievement of objectives, added value generated, effective communication, involvement of external stakeholders, workstream management and progress from the preceding EUnetHTA 2006-2008 project. The experience of this project can inform the evaluation of future international HTA collaborations, such as the EUnetHTA 2nd Joint Action and HTAsiaLink. A high response rate was achieved to the self-completion questionnaires and the strategy followed is recommended for evaluation of international HTA projects. Future assessments of international HTA projects should strive to measure outcomes and impact, not just outputs and process.

  18. The Joint Action Effect on Memory as a Social Phenomenon: The Role of Cued Attention and Psychological Distance

    Directory of Open Access Journals (Sweden)

    Ullrich Wagner

    2017-10-01

    Full Text Available In contrast to individual tasks, a specific social setting is created when two partners work together on a task. How does such a social setting affect memory for task-related information? We addressed this issue in a distributed joint-action paradigm, where two team partners respond to different types of information within the same task. Previous work has shown that joint action in such a task enhances memory for items that are relevant to the partner’s task but not to the own task. By removing critical, non-social confounds, we wanted to pinpoint the social nature of this selective memory advantage. Specifically, we created joint task conditions in which participants were aware of the shared nature of the concurrent task but could not perceive sensory cues to the other’s responses. For a differentiated analysis of the social parameters, we also varied the distance between partners. We found that the joint action effect emerged even without sensory cues from the partner, and it declined with increasing distance between partners. These results support the notion that the joint-action effect on memory is in its core driven by the experience of social co-presence, and does not simply emerge as a by-product of partner-generated sensory cues.

  19. Third system test of IEA crisis management

    Energy Technology Data Exchange (ETDEWEB)

    Lefeldt, P K

    1981-04-01

    The crisis mechanism conceived by IEA for coping with major incidents liable to interrupt regular supplies was submitted last autumn to a test over a fairly long period. The test proved that the international and the national institutions and arrangements are, fundamentally, capable of functioning efficiently, and furthermore produced suggestions for minor improvements.

  20. Energy policies of IEA countries: 2006 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    This compilation contains a broad analysis of recent trends and an easily accessible overview of energy policy of the 26 member countries of the International Energy Agency and other key non-member countries such as China, India and Russia, during the last 12 months. The overview section examines trends in energy markets, including an analysis of energy demand and supply, energy prices and energy related CO{sub 2} emissions. It highlights key policy trends across member and non-member countries on energy security, energy market reform, climate change mitigation, energy efficiency, renewables and energy R&D. The book contains a special chapter on energy efficiency, which compares the most successful efficiency policies of member countries on the basis of In-Depth Review findings of the past three years. It also presents the major findings of the World Energy Outlook 2006, key statistical information and brief summaries of major IEA publications released during the past year. In past years summaries of In-Depth Reviews conducted in the cycle covered by this book, as well as Standard Reviews, were published as part of the book. From this year they will only be available from the IEA's website on www.iea.org. Chapter headings are: Executive summary; Energy efficiency; World energy outlook 2006; Energy security; Energy market reform; Climate change; Renewable energy; Technology, research and development; Energy policies in key non-member countries; and Energy balances and key statistical data of IEA countries. 25 figs., 11 tabs., 4 annexes.

  1. Interdependence of torque, joint angle, angular velocity and muscle action during human multi-joint leg extension.

    Science.gov (United States)

    Hahn, Daniel; Herzog, Walter; Schwirtz, Ansgar

    2014-08-01

    Force and torque production of human muscles depends upon their lengths and contraction velocity. However, these factors are widely assumed to be independent of each other and the few studies that dealt with interactions of torque, angle and angular velocity are based on isolated single-joint movements. Thus, the purpose of this study was to determine force/torque-angle and force/torque-angular velocity properties for multi-joint leg extensions. Human leg extension was investigated (n = 18) on a motor-driven leg press dynamometer while measuring external reaction forces at the feet. Extensor torque in the knee joint was calculated using inverse dynamics. Isometric contractions were performed at eight joint angle configurations of the lower limb corresponding to increments of 10° at the knee from 30 to 100° of knee flexion. Concentric and eccentric contractions were performed over the same range of motion at mean angular velocities of the knee from 30 to 240° s(-1). For contractions of increasing velocity, optimum knee angle shifted from 52 ± 7 to 64 ± 4° knee flexion. Furthermore, the curvature of the concentric force/torque-angular velocity relations varied with joint angles and maximum angular velocities increased from 866 ± 79 to 1,238 ± 132° s(-1) for 90-50° knee flexion. Normalised eccentric forces/torques ranged from 0.85 ± 0.12 to 1.32 ± 0.16 of their isometric reference, only showing significant increases above isometric and an effect of angular velocity for joint angles greater than optimum knee angle. The findings reveal that force/torque production during multi-joint leg extension depends on the combined effects of angle and angular velocity. This finding should be accounted for in modelling and optimisation of human movement.

  2. Risk-Based Decision-Making and the Use of Operational Risk Management in Developing a Course of Action (COA) for the Joint Task Force (JTF)

    National Research Council Canada - National Science Library

    Faherty, Denis

    2003-01-01

    Uncertainty and risk are inherent in the nature of military action. The success of any joint military operation is based upon a willingness to balance risk with opportunity in taking bold, decisive action necessary to triumph in war...

  3. The joint action on health workforce planning and forecasting: results of a European programme to improve health workforce policies.

    NARCIS (Netherlands)

    Kroezen, M.; Hoegaerden, M. van; Batenburg, R.

    2017-01-01

    Health workforce (HWF) planning and forecasting is faced with a number of challenges, most notably a lack of consistent terminology, a lack of data, limited model-, demand-based- and future-based planning, and limited inter-country collaboration. The Joint Action on Health Workforce Planning and

  4. Summary of the IEA workshop/working group meeting on ferritic/martensitic steels for fusion

    Energy Technology Data Exchange (ETDEWEB)

    Klueh, R.L. [Oak Ridge National Lab., TN (United States)

    1997-04-01

    An International Energy Agency (IEA) Working Group on Ferritic/Martensitic Steels for Fusion Applications, consisting of researchers from Japan, the European Union, the United States, and Switzerland, met at the headquarters of the Joint European Torus (JET), Culham, United Kingdom, 24-25 October 1996. At the meeting preliminary data generated on the large heats of steel purchased for the IEA program and on other heats of steels were presented and discussed. The second purpose of the meeting was to continue planning and coordinating the collaborative test program in progress on reduced-activation ferritic/martensitic steels. The next meeting will be held in conjunction with the International Conference on Fusion Reactor Materials (ICFRM-8) in Sendai, Japan, 23-31 October 1997.

  5. Summary of the IEA workshop/working group meeting on ferritic/martensitic steels for fusion

    International Nuclear Information System (INIS)

    Klueh, R.L.

    1997-01-01

    An International Energy Agency (IEA) Working Group on Ferritic/Martensitic Steels for Fusion Applications, consisting of researchers from Japan, the European Union, the United States, and Switzerland, met at the headquarters of the Joint European Torus (JET), Culham, United Kingdom, 24-25 October 1996. At the meeting preliminary data generated on the large heats of steel purchased for the IEA program and on other heats of steels were presented and discussed. The second purpose of the meeting was to continue planning and coordinating the collaborative test program in progress on reduced-activation ferritic/martensitic steels. The next meeting will be held in conjunction with the International Conference on Fusion Reactor Materials (ICFRM-8) in Sendai, Japan, 23-31 October 1997

  6. 2006 highlights according to the IEA

    International Nuclear Information System (INIS)

    Lafon, M.

    2007-01-01

    The 2007 natural gas market review of the International energy agency (IEA) is this year subtitled: 'security in a globalizing market to 2015'. The review thus stresses on the 2006 highlights but reinforces the idea already expressed in the 2006 issue that energy security is now an inevitable topic. It offers also a prospective analysis of the natural gas market up to 2015 and devotes a full chapter to LNG development. As a matter of fact, the IEA considers that, from now to 2015, two thirds of the additional gas supplies will be in the form of LNG. The review supplies also some complements about some national markets. The present article reviews the most important points of this analysis. (J.S.)

  7. Interpersonal strategies for disturbance attenuation during a rhythmic joint motor action.

    Science.gov (United States)

    Melendez-Calderon, A; Komisar, V; Burdet, E

    2015-08-01

    Helping someone carry a table is fairly easy; however, our understanding of such joint motor actions is still poorly understood. We studied how pairs of human subjects (referred to as dyads) collaborate physically to attenuate external mechanical perturbations during a target tracking task. Subjects tracked a target moving in a slow and predictable way using wrist flexion/extension movements, with and without destabilizing torque perturbations. Dyad strategies were classified using interaction torques and muscular activity. During unperturbed interactions (baseline), the dyads tended to stabilize on a particular strategy. The baseline strategy was not the same in all dyads, suggesting that the solution to the task was not global but specific to each particular dyad. After several trials of unperturbed interactions, we introduced mechanical vibrations and analyzed the adaptation process. Dyads showed a tendency to counteract the external disturbances by first increasing co-contraction within each subject (independent co-contraction), and then raising the amount of opposing interaction torques (dyadic co-contraction) with increased perturbation amplitude. The introduction of perturbations impelled dyads to abandon their unperturbed baseline strategy and adopt a more common strategy across dyads, suggesting attractor solutions. Our results establish a framework for future human-human interaction studies, and have implications in human motor control as well as human-robot and robot-robot interactions. Copyright © 2015. Published by Elsevier Inc.

  8. Survey to promote an action implemented jointly project; Kyodo jisshi katsudo project suishin chosa

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-03-01

    In the 1st (1995) conference of the nations which concluded the Framework Convention on Climate Change, decided on was a trial implementation of an action implemented jointly (AIJ) project with developing countries on the voluntary basis. In the Asia region, emission of greenhouse effect gas is remarkably increasing in accordance with rapid development of economy, and it is important to appropriately support through this project both economic development and energy demand in Asia. Taking the circumstance into consideration, the survey was conducted to contribute to activating the AIJ Japan Program. As the AIJ of leading developed countries, recognized were 25 (U.S.), 6 (Holland), 8 (Germany), 2 (Norway) projects. As to the AIJ in Southeast Asia, China and India, Indonesia is actively participating in the project, but others less actively. Concerning the project needs in every country, heightening of power plant efficiency, enhancement of efficiency in the transportation sector, new energy utilization, recovery of methane gas, etc. acquire a priority. 21 figs., 31 tabs.

  9. Energy policies of IEA countries: 2006 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    This compilation contains a broad analysis of recent trends and an easily accessible overview of energy policy of the 26 member countries of the International Energy Agency and other key non-member countries such as China, India and Russia, during the last 12 months. The overview section examines trends in energy markets, including an analysis of energy demand and supply, energy prices and energy related CO{sub 2} emissions. It highlights key policy trends across member and non-member countries on energy security, energy market reform, climate change mitigation, energy efficiency, renewables and energy R&D. The book contains a special chapter on energy efficiency, which compares the most successful efficiency policies of member countries on the basis of In-Depth Review findings of the past three years. It also presents the major findings of the World Energy Outlook 2006, key statistical information and brief summaries of major IEA publications released during the past year. In past years summaries of In-Depth Reviews conducted in the cycle covered by this book, as well as Standard Reviews, were published as part of the book. From this year they will only be available from the IEA's website on www.iea.org. Chapter headings are: Executive summary; Energy efficiency; World energy outlook 2006; Energy security; Energy market reform; Climate change; Renewable energy; Technology, research and development; Energy policies in key non-member countries; and Energy balances and key statistical data of IEA countries. 25 figs., 11 tabs., 4 annexes.

  10. Summary of IEA PVPS international conference 2003

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-07-01

    This report for the International Energy Agency (IEA) summarises the two-day international conference held on Photovoltaic Power Systems (PVPS) by the IEA in 2003 in Osaka, Japan. The aim of this fourth Executive Conference was to present the achievements of this important international co-operation programme and to discuss the future needs for creating sustainable growth and expanding markets for photovoltaic power systems. The conference was attended by 258 participants. During the conference, the future visions for photovoltaics from both country and industry perspectives were presented and discussed. National issues and needs with respect to grid-connected and stand-alone PV systems were discussed. International issues and future visions were examined. Asian countries presented their current status and experience with the market introduction of photovoltaics. Photovoltaics and its opportunities within the framework of international institutions, namely the IEA, the International Finance Corporation (IFC) and the Clean Development Mechanism (CDM) were addressed, as were the needs of the most important markets - namely for distributed grid-connected applications and rural electrification in developing countries. A round-table discussion was also held on the future role and missions of the PVPS programme.

  11. Gas Emergency Policy: Where do IEA Countries Stand?

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-07-01

    Natural gas is of increasing importance in the energy mix of IEA Member countries. And yet this growing reliance on natural gas has been coupled with an increased risk of gas disruptions in recent years. Gas security is now an important policy concern for many IEA Member countries, and the IEA has sought to develop its expertise and analysis in this field. This Working Paper looks at the possible remedies that are available for dealing with gas security concerns, and takes stock of developments in gas emergency policy in IEA Member countries.

  12. Institutional Support : Institute for Economic Affairs (IEA-Kenya ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    IEA-Kenya is an independent organization that uses research to inform its policy advocacy work, relying on a small team of in-house staff and a large set of external ... This grant from IDRC's Think Tank Initiative (TTI) will allow IEA-Kenya to strengthen its governance structure, managerial capacity, research skills and staff ...

  13. Institutional Support : Institute of Economic Affairs (IEA-Ghana ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    The Institute of Economic Affairs in Ghana (IEA-Ghana) was founded in 1989 during the twilight of the military dictatorship. At that time there were no independent policy centres in the country and hence little public policy dialogue. Still, IEA-Ghana succeeded in creating a platform for debate and made a strong case for major ...

  14. Prognosefejl i IEA-landenes energiprognoser

    DEFF Research Database (Denmark)

    Linderoth, Hans

    1999-01-01

    Every year Policy of IEA Countries includes a forecast of the energy consumption in the member countries. Forecasts concerning the years 1985, 1990 and 1995 can now be compared to the actual values. The second oil crises resulted in big positive forcast errors. The oil price drop in 1986 did...... not have a similar effect. A correction for economic growth reduces forecast errors during the second oil crises but not elsewhere. Industry has a relatively big positive forecast error while transportation has a negative forecast error. Even when the forecast error is small, the results are not so "nice...

  15. IEA Shows Concerns Over China's Oil Stockpiling

    Institute of Scientific and Technical Information of China (English)

    2004-01-01

    @@ Reportedly, China's oil imports accounted for nearly one third of the world's total oil supply in 2003. The country's oil imports are estimated at 110~120 million tons in 2004,equal to 2.2~2.4 million barrels per day, much higher than 91 million tons in 2003. International Energy Agency has helped the Chinese government with the country's strategic oil stockpiling plan by offering the training. The Paris-based IEA has urged China to take into consideration how to operate and maintain the national strategic oil stockpiling system and clarify the roles of the enterprises and the State in oil stockpiling.

  16. Can the identity of a behavior setting be perceived through patterns of joint action? An investigation of place perception.

    Science.gov (United States)

    Heft, Harry; Hoch, Justine; Edmunds, Trent; Weeks, Jillian

    2014-10-13

    "Behavior settings" are generated by joint actions of individuals in conjunction with the milieu features (or affordances) that are available. The reported research explores the hypothesis that the identity or meaning of a behavior setting can be perceived by means of the patterns of action collectively generated by the setting's participants. A set of computer animations was created based on detailed observation of activities in everyday settings. Three experiments were conducted to assess whether perceivers could extract "structure from motion" (in this case, collective actions) that was specific to the particular behavior setting displayed by way of the animations. Two experiments assessed whether individuals could accurately perceive the identity of the behavior settings with such displays, and a third experiment indirectly examined this possibility by evaluating whether setting possibilities and constraints were recognized. The results offered some support for the hypothesis, and suggested several refinements in how to conceptualize a typology of behavior settings. An ecological approach to place perception is also discussed.

  17. IEA World Energy Outlook 2010-A comment

    International Nuclear Information System (INIS)

    Khatib, Hisham

    2011-01-01

    The World Energy Outlook 2010 is a comprehensive energy report issued by the IEA. It is rewritten annually to reflect the world's changing energy and economy realities; it also introduces new issues relevant to the energy sector. This year it dealt with Caspian Energy, Energy Poverty and Energy Subsidies. WEO is controversial in few aspects; it still promotes a 450 Scenario which has become out of reach. This year however it introduced a more realistic New Policies Scenario which will need a lot of good will and investments to accomplish. Governmental policies are going to chart future energy sector performance; increasingly this is becoming decided by non-OECD countries. A more pragmatic future energy outlook is needed to reflect developing countries priorities for growth and utilization of local resources and how to accommodate this with abatement priorities through energy efficiency measures and technologies. - Research highlights: → We critically review the findings of the IEA - World Energy Outlook 2010. → The main '450 Scenario' is no longer realistic. → Some of the other indicators like the Energy Development Index are also critically reviewed and improvements proposed.

  18. IEA Task 24 Solar procurement 2000

    Energy Technology Data Exchange (ETDEWEB)

    Ellehauge, K.; Oestergaard, I. [Teknologisk Institut, Taastrup. SolEnergiCentret (Denmark); Gramkow, L. [Esbensen, Copenhagen (Denmark)

    2002-04-01

    The objective of the project is to develop and improve large procurements of solar heating systems in order to be able to place large orders with manufacturers and suppliers. The project work will be carried out as an international co-operation under IEA Task 24 with the title 'Solar Procurement'. By co-ordinating the effort between the 4-6 participating countries, the objective is to purchase at least 10,000 solar heating systems, of this amount 1,000-2,000 in Denmark. Such large orders make it possible for manufacturers and suppliers to deliver systems considerably cheaper, and it will be possible to develop systems for given specifications on output and efficiency. These co-ordinated large orders are expected to improve the price/efficiency conditions by up to 50%. The so called 'procurement process' (co-ordinated international procurement based on goal-oriented system development in co-operation between customers and suppliers/manufacturers) will in the project be followed up by information/marketing, education, financing schemes, service schemes, quality assurance and technical support. The project is divided into two main areas (IEA subtasks). 1: 'Procurement and Marketing' and 2: 'Creation of Tools'. Denmark has been requested to be the project manager of subtask 2, 'Creation of Tools'. (EHS)

  19. IEA Task 24 Solar procurement 2000

    International Nuclear Information System (INIS)

    Ellehauge, K.; Oestergaard, I.; Gramkow, L.

    2002-04-01

    The objective of the project is to develop and improve large procurements of solar heating systems in order to be able to place large orders with manufacturers and suppliers. The project work will be carried out as an international co-operation under IEA Task 24 with the title 'Solar Procurement'. By co-ordinating the effort between the 4-6 participating countries, the objective is to purchase at least 10,000 solar heating systems, of this amount 1,000-2,000 in Denmark. Such large orders make it possible for manufacturers and suppliers to deliver systems considerably cheaper, and it will be possible to develop systems for given specifications on output and efficiency. These co-ordinated large orders are expected to improve the price/efficiency conditions by up to 50%. The so called 'procurement process' (co-ordinated international procurement based on goal-oriented system development in co-operation between customers and suppliers/manufacturers) will in the project be followed up by information/marketing, education, financing schemes, service schemes, quality assurance and technical support. The project is divided into two main areas (IEA subtasks). 1: 'Procurement and Marketing' and 2: 'Creation of Tools'. Denmark has been requested to be the project manager of subtask 2, 'Creation of Tools'. (EHS)

  20. IEA countries energy policy. Report 1992

    International Nuclear Information System (INIS)

    1994-01-01

    The International Energy Agency is interested by the energy policy of its 23 members countries. This book sums up the evolution of energy policy in 1991 and 1992, sticking particularly to energy proposal and demand, to energy efficiency, to interaction between energy and environment, to the energy technology and to research and development activities. The 23 countries are examined regularly. The elaborate examinations refer to the energy policy of each member country to dictate the common orientation of their policy. Ministers meetings of IEA take place regularly. The latest took place in PARIS on the fourth of June 1993 where the ministers confirmed that there were essential elements of the energy policy and that they recommended to all countries to take that in account in the formulation of their strategies. Beyond the examinations by country, this book contains a whole report which throws into relief the main new acts which were happened in the IEA members countries and a glimpse on the evolution of the energy situation in the no members countries. It gives specific data and informations on the governmental budgets allocated to research and development energy activities. 6 annexes, 12 graphs., 5 tabs

  1. NBR ISO 9001 Certification for activities carried out in IEA-R1 reactor

    International Nuclear Information System (INIS)

    Paiva, Rosemeire P.; Salvetti, Tereza C.

    2005-01-01

    Since its inauguration in 1957, the IEA-R1 research reactor has been used mainly for research, development and teaching by scientific community. In the last years, with the increase of the commercial radiopharmaceutical production by Radiopharmacy Center of IPEN, the IEA-R1 reactor was recognized as a service supplier for that center and has received a treatment more commercial from IPEN Management. In 1999 the radiopharmaceutical production obtained the NBR ISO 9002 Certification, since that the IPEN Management considered convenient to invest in the certification of its internal suppliers. In this context, in 2001 the Research Reactor Center (CRPq) began the implantation of a Quality Management System (QMS) based on NBR 9001: 2000 standard, for activities related to the operation and maintenance of the IEA-R1 research reactor and irradiation services. This QMS was structured to incorporate tools already implemented in order to complain the requirements related to nuclear and radiological safe for a nuclear installation established by the regulatory organism. The QMS is supported by a documentation system composed of approximately 150 documents including quality manual, business and action plans, operational procedures and work instruction. Carlos Alberto Vanzolini Foundation (FCAV), an INMETRO certified organism, certified the 'Operation and Maintenance of the IEA-R1 Research Reactor and Irradiation Services' in December 2002. In 2003 and 2004, the QMS was audited by FCAV that determined the maintenance of the certification. This work presents the main steps of the QMS implementation, including the difficulties found and results obtained in the process. (author)

  2. Joint Facial Action Unit Detection and Feature Fusion: A Multi-Conditional Learning Approach

    NARCIS (Netherlands)

    Eleftheriadis, Stefanos; Rudovic, Ognjen; Pantic, Maja

    2016-01-01

    Automated analysis of facial expressions can benefit many domains, from marketing to clinical diagnosis of neurodevelopmental disorders. Facial expressions are typically encoded as a combination of facial muscle activations, i.e., action units. Depending on context, these action units co-occur in

  3. Grasping the other's attention: The role of animacy in action cueing of joint attention

    NARCIS (Netherlands)

    Lindemann, O.; Nuku, P.; Rüschemeyer, S.A.; Bekkering, H.

    2011-01-01

    The current experiment investigates the role of animacy on grasp-cueing effects as investigated in joint attention research. In a simple detection task participants responded to the colour change of one of two objects of identical size. Before the target onset, we presented a cueing stimulus

  4. IEA EBC Annex 67 Energy Flexible Buildings

    DEFF Research Database (Denmark)

    Marszal, Anna Joanna; Jensen, Søren Østergaard

    2016-01-01

    know ledge on and demonstration of the Energy Flexibility Buildings can provide for the energy grids as well of to identify critical aspects and possible solutions to manage this Energy Flexibility. The paper discusses the background, the aims and the work plan of IEA (International Energy Agency) EBC......The foreseen large deployment of renewable energy sources may seriously affect the stability of energy grids. It will be necessary to control energy consumption to match instantaneous energy production. The built-in Energy Flexibility in buildings may be utilized for stabilizing the energy grids......, allowing for a larger roll out of renewable technologies. The Energy Flexibility of a building is the ability to manage its energy demand and generation according to local climate conditions, user needs and grid requirements. Energy Flexibility of buildings will thus allow for demand side management...

  5. Energy policies of IEA countries. 1993 review

    International Nuclear Information System (INIS)

    1994-01-01

    Energy policies in Member countries's and the international energy situation are highlighted in this 1993 edition. It reviews recent trends and developments in energy demand, conservation and efficiency, supply of primary fuels, environment, technology and R and D. This year's Review also gives an overview of significant developments in key policy areas since the IEA's creation, on the occasion of its 20th anniversary. Member countries' energy policies are reviewed in depth on a four-year cycle. In-depth reviews of the energy policies of Austria, Denmark, Germany, Greece, the United Kingdom and the United States were conducted in 1993. Energy policy developments and supply and demand trends for the other 17 countries are updated from the previous in-depth reviews and summarized in this volume. (authors). figs., tabs

  6. Estonia 2013: Energy Policies Beyond IEA Countries

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2013-08-01

    One of the fastest-growing economies in the OECD, Estonia is actively seeking to reduce the intensity of its energy system. Many of these efforts are focused on oil shale, which the country has been using for almost a century and which meets 70% of its energy demand. While it provides a large degree of energy security, oil shale is highly carbon-intensive. The government is seeking to lessen the negative environmental impact by phasing out old power plants and developing new technologies to reduce significantly CO2 emissions. The efforts on oil shale complement Estonia’s solid track record of modernising its overall energy system. Since restoring its independence in 1991, Estonia has fully liberalised its electricity and gas markets and attained most national energy policy targets and commitments for 2020. It has also started preparing its energy strategy to 2030, with an outlook to 2050. Estonia is also promoting energy market integration with neighbouring EU member states. The strengthening of the Baltic electricity market and its timely integration with the Nordic market, as well as the establishment of a regional gas market, are therefore key priorities for Estonia. Following its accession to the Organisation for Economic Co-operation and Development (OECD) in 2010, Estonia applied for International Energy Agency (IEA) membership in 2011. This review of Estonia’s energy policies is part of the IEA accession process. It analyses the energy policy challenges and opportunities facing Estonia, and provides critiques and recommendations for future policy improvements. It is intended to guide the country towards a more secure and sustainable energy future.

  7. IEA Energy Technology Essentials: Biomass for Power Generation and CHP

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-01-15

    The IEA Energy Technology Essentials series offers concise four-page updates on the different technologies for producing, transporting and using energy. Biomass for Power Generation and CHP is the topic covered in this edition.

  8. Let’s Get Counterinsurgency Right: Collective Action Theory in Joint Publication 3-24

    Science.gov (United States)

    2015-04-01

    sell the weapons and pocket profits.73 Taliban members who experience fair sharing of expensive weapons are more likely to increase participation...Defense. (8 November 2010 (As Amended Through15 January 2015)). Joint Publication 1-02: Department of Defense Dictionary of Military and Associated...Warfare: A French View of Counterinsurgency ( English Translation). United States of America, KS: Frederick A. Praeger, Inc. Trives, S. (2009). Roots of

  9. Tackling investment challenges in power generation - in IEA countries

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    In most IEA countries a new investment cycle in power generation is looming. A window of opportunity now exists to push for a cleaner and more efficient generation portfolio that could transform the power sector and help to build a more sustainable infrastructure lasting over the next 40-50 years. What are the recent trends and prospects for investment in power generation? What are the main drivers and barriers? This book assesses these issues and gives special emphasis to the question of how uncertainties may affect investment decisions. Uncertainties on CO{sub 2} constraints, on power plant licensing, on acceptability of nuclear power, on local opposition to any new energy infrastructure, on government support for specific generation technologies and on government policies on energy efficiency are particularly disturbing. Market liberalisation can also be a key uncertainty, but this may be greatly reduced and deliver considerable benefits if liberalisation is implemented whole-heartedly and backed by on-going government commitment. Government action is urgently needed: to reduce regulatory uncertainty for investors, to establish effective competitive markets and to give firm policy directions in those areas where markets fall short, such as in taking environmental costs and security of supply into account.

  10. Energy policies of IEA countries: Luxembourg -- 2008 Review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2009-03-20

    Luxembourg has reformed its energy policies across all sectors since the last IEA in-depth review in 2004. The country has fully liberalised its electricity and natural gas markets, and is actively participating in the development of the evolving Central West European regional electricity system. Luxembourg has also prepared a broad action plan on energy efficiency, improved the support system for renewable energy sources and revised taxes to mitigate climate change. The country's energy policy in the coming decade will be shaped by the EU 2020 targets that call for substantial reductions in greenhouse gas emissions, and strong increases in renewable energy and energy efficiency. These targets will be hard to meet, given that roughly half of energy-related CO2 emissions come from transport fuel use by foreign truckers and motorists, and that Luxembourg's potential for producing much more renewable energy is limited. Luxembourg is heavily dependent on oil. Although oil sources are well diversified by country of origin, more than 85% of oil stocks are held in neighbouring countries and often based on short-term leasing contracts. This leaves the country vulnerable to potential oil supply disruptions. Luxembourg should swiftly implement a plan to improve the security of oil supply. This review analyses the energy challenges facing Luxembourg and provides critiques and recommendations for further policy improvements. It is intended to help guide the country towards achieving its sustainability targets.

  11. Coordinating joint action in a technological environment: noticing and recruiting attention

    DEFF Research Database (Denmark)

    Egbert, Maria; Keating, Elizabeth

    2011-01-01

    Implementing Social Action: Constructing Turns and Sequences in ''Interaction Technologies'' [contribution to the panel Constructing social action in conversation, organized by Drew Paul] In investigating how turns and sequences might be designed to accomplish a particular social action, we look...... talked about or technologies used towards specific interactional goals in that they enable or make possible interaction. In designing turns and sequences in interaction enabled through interaction technologies, social actors must take into account a number of factors, including the effect of technology...... of interaction is to transmit information (cf. Shannon & Weaver 1949). Influenced by conversation analysis (CA) and ethnography, designers of new technologies are now becoming more aware that human use of technologies is always a part of social practices (Suchman 1987; Buur & Stienstra 2007). The foundations...

  12. Information basis for developing comprehensive waste management system. US-Japan joint nuclear energy action plan waste management working group phase I report (Joint research)

    International Nuclear Information System (INIS)

    Yui, Mikazu; Ishikawa, Hirohisa; Umeki, Hiroyuki; Hioki, Kazumasa; Naito, Morimasa; Makino, Hitoshi; Oda, Chie; Tachi, Yukio; Mitsui, Seiichiro; Shibata, Masahiro; Watanabe, Atsuo; Yoshino, Kyoji; Seo, Toshihiro; Miyamoto, Yoichi; Nutt, Mark; Peters, Mark; Bresee, James; Lesica, Sue; Schwab, Patrick; Gomberg, Steve; Jones, Jay; Halsey, Bill; Marra, John; Vienna, John; Gombert, Drik; McMahon, Kevin; James, Scott; Caporuscio, Florie

    2010-05-01

    The activity of Phase I of the Waste Management Working Group under the United States - Japan Joint Nuclear Energy Action Plan started in 2007. The US-Japan JNEAP is a bilateral collaborative framework to support the global implementation of safe, secure, and sustainable, nuclear fuel cycles (referred to in this document as fuel cycles). The Waste Management Working Group was established by strong interest of both parties, which arise from the recognition that development and optimization of waste management and disposal system(s) are central issues of the present and future nuclear fuel cycles. This report summarizes the activity of the Waste Management Working Group that focused on consolidation of the existing technical basis between the U.S. and Japan and the joint development of a plan for future collaborative activities. Firstly, the political/regulatory frameworks related to nuclear fuel cycles in both countries were reviewed. The various advanced fuel cycle scenarios that have been considered in both countries were then surveyed and summarized. The working group established the working reference scenario for the future cooperative activity that corresponds to a fuel cycle scenario being considered both in Japan and the U.S. This working scenario involves transitioning from a once-through fuel cycle utilizing light water reactors to a one-pass uranium-plutonium fuel recycle in light water reactors to a combination of light water reactors and fast reactors with plutonium, uranium, and minor actinide recycle, ultimately concluding with multiple recycle passes primarily using fast reactors. Considering the scenario, current and future expected waste streams, treatment and inventory were discussed, and the relevant information was summarized. Second, the waste management/disposal system optimization was discussed. Repository system concepts were reviewed, repository design concepts for the various classifications of nuclear waste were summarized, and the factors

  13. The influence of passionate love on self-other discrimination during joint action.

    Science.gov (United States)

    Quintard, Virginie; Jouffre, Stéphane; Croizet, Jean-Claude; Bouquet, Cedric A

    2018-01-16

    Prior research on romantic relationships suggests that being in love involves a blurring of self-other cognitive boundaries. However, this research has focused so far on conceptual self-representation, related to the individual's traits or interests. The present study tested the hypothesis that passionate love involves a reduced discrimination between the self and the romantic partner at a bodily level, as indexed by an increased Joint Simon effect (JSE), and we further examined whether this self-other discrimination correlated with the passion felt for the partner. As predicted, we found an increased JSE when participants performed the Joint Simon Task with their romantic partner compared with a friend of the opposite sex. Providing support for the self-expansion model of love (Aron and Aron in Pers Relatsh 3(1):45-58, 1996), this result indicates that romantic relationships blur the boundaries between the self and the romantic partner at a bodily level. Furthermore, the strength of romantic feelings was positively correlated with the magnitude of the JSE when sharing the task with the romantic partner.

  14. The joint action of destruxins and botanical insecticides (rotenone, azadirachtin and paeonolum) against the cotton aphid, Aphis gossypii Glover.

    Science.gov (United States)

    Yi, Fei; Zou, Chunhua; Hu, Qiongbo; Hu, Meiying

    2012-06-18

    The joint action of destruxins and three botanical insecticides, rotenone (Rot), azadirachtin (Aza) and paeonolum (Pae) against the cotton aphid, Aphis gossypii, was bioassayed. In laboratory experiment, several synergistic groups of destruxins with botanical insecticides were found by means of Sun's Co-toxicity Coefficients (CTC) and Finney's Synergistic Coefficient (SC). The best synergistic effect was discovered in the ratio group Des/Rot 1/9 with the CTC or SC and LC₅₀ values of 479.93 or 4.8 and 0.06 μg/mL, respectively. The second and third synergistic effects were recorded in the ratio groups Des/Rot 7/3 and 9/1. Although the ratio groups Des/Aza 6/4, Des/Pae 4/6, 3/7 and 2/8 indicated synergism by Sun's CTC, they were determined as additive actions by Finney's SC. Additive actions were also found in most of the ratio groups, but antagonism were recorded only in three ratio groups: Des/Pae 9/1, 7/3 and 6/4. In greenhouse tests, the highest mortality was 98.9% with the treatment Des/Rot 1/9 at 0.60 μg/mL, meanwhile, the treatments Des/Pae 4/6 and Des/Aza 6/4 had approximately 88% mortality.

  15. Jointly structuring triadic spaces of meaning and action: book sharing from 3 months on.

    Directory of Open Access Journals (Sweden)

    Nicole eRossmanith

    2014-12-01

    Full Text Available This study explores the emergence of triadic interactions through the example of book sharing. As part of a naturalistic study, 10 infants were visited in their homes from 3-12 months. We report that (1 book sharing as a form of infant-caregiver-object interaction occurred from as early as 3 months. Using qualitative video analysis at a micro-level adapting methodologies from conversation and interaction analysis, we demonstrate that caregivers and infants practiced book sharing in a highly co-ordinated way, with caregivers carving out interaction units and shaping actions into action arcs and infants actively participating and co-ordinating their attention between mother and object from the beginning. We also (2 sketch a developmental trajectory of book sharing over the first year and show that the quality and dynamics of book sharing interactions underwent considerable change as the ecological situation was transformed in parallel with the infants' development of attention and motor skills. Social book sharing interactions reached an early peak at 6 months with the infants becoming more active in the coordination of attention between caregiver and book. From 7-9 months, the infants shifted their interest largely to solitary object exploration, in parallel with newly emerging postural and object manipulation skills, disrupting the social coordination and the cultural frame of book sharing. In the period from 9-12 months, social book interactions resurfaced, as infants began to effectively integrate object actions within the socially shared activity. In conclusion, to fully understand the development and qualities of triadic cultural activities such as book sharing, we need to look especially at the hitherto overlooked early period from 4-6 months, and investigate how shared spaces of meaning and action are structured together in and through interaction, creating the substrate for continuing cooperation and cultural learning.

  16. Jointly structuring triadic spaces of meaning and action: book sharing from 3 months on.

    Science.gov (United States)

    Rossmanith, Nicole; Costall, Alan; Reichelt, Andreas F; López, Beatriz; Reddy, Vasudevi

    2014-01-01

    This study explores the emergence of triadic interactions through the example of book sharing. As part of a naturalistic study, 10 infants were visited in their homes from 3-12 months. We report that (1) book sharing as a form of infant-caregiver-object interaction occurred from as early as 3 months. Using qualitative video analysis at a micro-level adapting methodologies from conversation and interaction analysis, we demonstrate that caregivers and infants practiced book sharing in a highly co-ordinated way, with caregivers carving out interaction units and shaping actions into action arcs and infants actively participating and co-ordinating their attention between mother and object from the beginning. We also (2) sketch a developmental trajectory of book sharing over the first year and show that the quality and dynamics of book sharing interactions underwent considerable change as the ecological situation was transformed in parallel with the infants' development of attention and motor skills. Social book sharing interactions reached an early peak at 6 months with the infants becoming more active in the coordination of attention between caregiver and book. From 7 to 9 months, the infants shifted their interest largely to solitary object exploration, in parallel with newly emerging postural and object manipulation skills, disrupting the social coordination and the cultural frame of book sharing. In the period from 9 to 12 months, social book interactions resurfaced, as infants began to effectively integrate manual object actions within the socially shared activity. In conclusion, to fully understand the development and qualities of triadic cultural activities such as book sharing, we need to look especially at the hitherto overlooked early period from 4 to 6 months, and investigate how shared spaces of meaning and action are structured together in and through interaction, creating the substrate for continuing cooperation and cultural learning.

  17. Fracture resistance improvement of polypropylene by joint action of core-shell particles and nucleating agent

    International Nuclear Information System (INIS)

    Yang Gang; Han Liang; Ding Haifeng; Wu Haiyan; Huang Ting; Li Xiaoxi; Wang Yong

    2011-01-01

    Research highlights: →The core-shell particles, which were prepared from melt blending of POE and nano-CaCO 3 , and different nucleating agents (α-form NA or β-form NA) were first introduced into PP to prepare the super toughened PP materials. →NAs control the crystalline structures of PP matrix including the spherulites diameter and the crystal form. →NAs and core-shell particles exhibit apparent joint effect in improving the fracture resistance of PP. - Abstract: As a serial work about the fracture resistance improvement of polypropylene (PP), this work reports the joint effect of core-shell particles and nucleating agent (NA) on the microstructure and fracture resistance of PP. Core-shell particles were prepared through melt blending of ethylene-octene copolymer (POE) and calcium carbonate (CaCO 3 ). Different NA, i.e. α-form NA (P-tert-butylbenzoic acid-Al, MD-NA-28) and β-form NA (aryl amides compound, TMB-5) were introduced into PP matrix to control the crystalline structure. The phase morphology of POE and the distribution of CaCO 3 were characterized by using scanning electron microscope (SEM), and the crystallization behavior of PP matrix were investigated by using differential scanning calorimetry (DSC), wide angle X-ray diffraction (WAXD) and polarization optical microscope (POM). The mechanical properties were obtained through universal tensile measurement and notched Izod impact measurement. Surprisingly, the results show that through addition of so-called core-shell particles and NA simultaneously, the fracture resistance of PP can be dramatically improved.

  18. IEA energy policies review: the European Union

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-09-04

    For the first time, the IEA has reviewed the energy policies of the European Union which shape the energy use of almost 500 million citizens in 27 EU member countries. A unique entity governed under complex and almost constantly evolving structures, the EU constitutes a challenge for energy policy makers. Its energy policy has a global impact, not only because of its 16% share of world energy demand, but also because of the EU leadership in addressing climate change. Strong policy drives are underway in the EU to achieve the completion of the internal energy market, increase renewable energy supply, reduce CO2 emissions and make the EU more energy-efficient. Concerns about security of supply have also led to a greater focus on improved energy relations with supplier countries, and new institutional structures are being put in place. How much progress has been made in the field of security, internal market and external energy policies? And in which of these areas has the EU already implemented a fully integrated policy? This publication addresses these questions and also analyses the impact of the most recent major EU policy measures, in particular the Energy and Climate Package of January 2008 and the 3rd Liberalisation Package of September 2007. This book finds that both of these proposals are highly ambitious. But implementing them and reviewing both volume and allocation of energy R and D will be necessary to achieve a sustainable energy future in a fully competitive integrated EU energy market.

  19. Investing in commitment: Persistence in a joint action is enhanced by the perception of a partner's effort.

    Science.gov (United States)

    Székely, Marcell; Michael, John

    2018-05-01

    Can the perception that one's partner is investing effort generate a sense of commitment to a joint action? To test this, we developed a 2-player version of the classic snake game which became increasingly boring over the course of each round. This enabled us to operationalize commitment in terms of how long participants persisted before pressing a 'finish' button to conclude each round. Our results from three experiments reveal that participants persisted longer when they perceived what they believed to be cues of their partner's effortful contribution (Experiment 1). Crucially, this effect was not observed when they knew their partner to be an algorithm (Experiment 2), nor when it was their own effort that had been invested (Experiment 3). These results support the hypothesis that the perception of a partner's effort elicits a sense of commitment, leading to increased persistence in the face of a temptation to disengage. Copyright © 2018 Elsevier B.V. All rights reserved.

  20. The IEA Model of Short-term Energy Security

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-07-01

    Ensuring energy security has been at the centre of the IEA mission since its inception, following the oil crises of the early 1970s. While the security of oil supplies remains important, contemporary energy security policies must address all energy sources and cover a comprehensive range of natural, economic and political risks that affect energy sources, infrastructures and services. In response to this challenge, the IEA is currently developing a Model Of Short-term Energy Security (MOSES) to evaluate the energy security risks and resilience capacities of its member countries. The current version of MOSES covers short-term security of supply for primary energy sources and secondary fuels among IEA countries. It also lays the foundation for analysis of vulnerabilities of electricity and end-use energy sectors. MOSES contains a novel approach to analysing energy security, which can be used to identify energy security priorities, as a starting point for national energy security assessments and to track the evolution of a country's energy security profile. By grouping together countries with similar 'energy security profiles', MOSES depicts the energy security landscape of IEA countries. By extending the MOSES methodology to electricity security and energy services in the future, the IEA aims to develop a comprehensive policy-relevant perspective on global energy security. This Working Paper is intended for readers who wish to explore the MOSES methodology in depth; there is also a brochure which provides an overview of the analysis and results.

  1. Partner Country Series: Gas Pricing - China's Challenges and IEA Experience

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-07-01

    China will play a positive role in the global development of gas, the International Energy Agency’s (IEA) Executive Director, Maria Van der Hoeven has said in Beijing on 11 September, 2012 when launching a new IEA report: Gas Pricing and Regulation, China’s challenges and IEA experiences. In line with its aim to meet growing energy demand while shifting away from coal, China has set an ambitious goal of doubling its use of natural gas from 2011 levels by 2015. Prospects are good for significant new supplies – both domestic and imported, conventional and unconventional – to come online in the medium-term, but notable challenges remain, particularly concerning gas pricing and the institutional and regulatory landscape. While China’s circumstances are, in many respects unique, some current issues are similar to those a number of IEA countries have faced. This report highlights some key challenges China faces in its transition to greater reliance on natural gas, then explores in detail relevant experiences from IEA countries, particularly in the United Kingdom, the Netherlands, and the United States as well as the European Union (EU). Preliminary suggestions about how lessons learned in other countries could be applied to China’s situation are offered as well. The aim of this report is to provide stakeholders in China with a useful reference as they consider decisions about the evolution of the gas sector in their country.

  2. Final report on the Swedish participation in Annex 37 of the International Energy Agency (IEA), 2010 - 2012; Slutrapport oever svensk medverkan i Internationella energiraadets (IEA) Annex 37, 2010 - 2012

    Energy Technology Data Exchange (ETDEWEB)

    Persson, Tobias

    2012-07-01

    The National Team Leader within the International Energy Agency (IEA) task 37 during 2010 - 2012 has been Anneli Petersson and Tobias Persson from Swedish Gas Technology Center (SGC). In total 14 countries and the EU have been members within the task. The following countries have been members in Task 37 during 2010 - 2012: Brazil, Denmark, Ireland, Canada, France, Finland, The Netherlands, Norway, Turkey, Germany, Switzerland, United Kingdom, Sweden, Austria. The meetings within the task have been situated in the new member countries to get insight into the biogas situation and biogas development in these countries. The work within the group has been focused on eight areas: Substrates for biogas production, Optimisation of digestion processes, Biogas upgrading and pipeline injection, Digestate processing and quality, Emissions from biogas installations, Information and education, Workshops and seminars, Joint projects with other IEA Bioenergy tasks. All presentations from the meetings and workshops and other published material can be downloaded from the home page of task 37 www.iea-biogas.net. During the period 2010 - 2012 has the following brochures been published: 1. Biogas from crop digestion. 2. Utilisation of digestate from biogas plants as bio fertiliser. 3. Quality management of digestate from biogas plants used as fertiliser.

  3. The North Sea Offshore Wind Service Industry: Status, perspectives and a joint action plan

    DEFF Research Database (Denmark)

    Andersen, Per Dannemand; Clausen, Niels-Erik; Cronin, Tom

    2018-01-01

    The Offshore Wind Service sector is about to established itself as an industrial sector with an own identity, own organisation, and with large future challenges. The article introduces this new sector, including assessment of present and future market sizes. The overall aim of the research reported...... in this article was to increase the innovation capacity of the European offshore wind servicing (OWS) sector by establishing cross-regional cooperation and intensifying the relationship between research and the offshore wind industry. The article uses the concept of innovation system foresight (ISF). The linking...... of the two concepts of foresight and innovation systems has been explored by several studies, but ISF takes a further integration of the two concepts. The article presents a set of concrete actions at multiple levels to support the development of the offshore wind service sector. The findings provides...

  4. IEA Task 24 active solar procurement - subtask B: The book of tools

    International Nuclear Information System (INIS)

    Ellehauge, K.; Oestergaard, I.

    2000-01-01

    Under the International Energy Agency Solar Heating and Cooling Programme, Task 24 Solar Procurement 5 countries co-operate (the Netherlands, Sweden, Canada, Switzerland and Denmark) on increased sale of solar heating plants i.a. by identifying buyer groups, joint calls for tenders and specification of requirements. The work is divided into 2 subtasks. Subtask A concerns the work connected with identifying buyer groups and starting sales and subtask B concerns the delivery of the necessary background material. Subtask B is managed by Denmark, which has been responsible for collecting and organising background material. This work started in 1998. From the beginning, the idea was to organise the background material in a book called 'The Book of Tools', but during the course of preparation it became obvious that it would be an advantage to place the material on the Internet. An initial version of the material has been finished in the winter 1999/2000 and has been incorporated in IEA's Task 24 homepage on the Internet address: www.ieatask24.org. The Internet home page is up-dated by the Canadian participants in IEA task 24. The target group is partly new potential buyer groups and current buyer groups and their advisors. It is possible to download the material for printing. (au)

  5. Energy policies of IEA countries: Turkey 2005 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    This report provides a comprehensive in-depth assessment of the energy policies of Turkey including recommendations by the IEA on future policy developments. Recently, Turkey has taken steps to implement energy market reforms which have resulted in clear and significant benefits. Now, continued action is needed to see the process through to a successful conclusion. It is necessary to restructure the state-owned enterprises to operate in a competitive market, to create independent electricity and gas operators and to remove cross-subsidies from electricity and gas prices. Turkey has been very active in international co-operation in the energy sector. Some important oil and gas pipeline projects are underway or almost completed. This will improve the security of supply in Turkey and maintain its role as an important 'energy corridor' between East and West, while avoiding overuse of the Turkish Straits. Synchronisation of Turkey's electricity networks with the European UCTE grid is planned for 2006. Furthermore, the country already has transposed most EU energy laws and standards into national legislation. Turkey's general approach to energy policy has been highly supply-oriented. However, recent efforts have begun to focus more on energy efficiency and conservation. Nevertheless, stronger energy efficiency policies are needed, particularly in the transport sector. Turkey ratified the Framework Convention on Climate Change in February 2004 and is developing its climate change strategy. The government should strive to monitor the cost-effectiveness of its policies, consider defining an emissions target and ensure coordination among the various government bodies. Despite past progress, work remains to be done to achieve further reductions in air pollution. 28 figs., 23 tabs., 3 annexes

  6. The impact of participation in strategic planning and action planning on management control effectiveness: An analysis of independent and joint effects

    OpenAIRE

    Bedford, David S.; Bednark, Piotr; Dossi, Andrea; Ditillo, Angelo; Gosselin, Maurice; Madsen, Dag Øivind

    2016-01-01

    This research paper examines the independent and joint effects of participation in strategic planning and action planning. There is extensive research about employee participation in both the fields of strategic planning and budgeting. However, there is a lack of research about the interaction between participation in strategic planning and budgeting. Drawing on the research on participation in decision-making processes, the hypothesis is that strategic planning and action plan...

  7. 4th IEA International CCS Regulatory Network Meeting

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-07-01

    On 9 and 10 May 2012, the IEA International CCS Regulatory Network (Network), launched in Paris in May 2008 to provide a neutral forum for CCS regulators, policy makers and stakeholders to share updates and views on CCS regulatory developments, held its fourth meeting at the International Energy Agency (IEA) offices in Paris, France. The aim of the meeting was to: provide an update on government efforts to develop and implement carbon capture and storage (CCS) legal and regulatory frameworks; and consider ways in which governments are dealing with some of the more difficult or complex aspects of CCS regulation. This report summarises the proceedings of the meeting.

  8. The new IEA Wind Task 36 on Wind Power Forecasting

    DEFF Research Database (Denmark)

    Giebel, Gregor; Cline, Joel; Frank, Helmut

    Wind power forecasts have been used operatively for over 20 years. Despite this fact, there are still several possibilities to improve the forecasts, both from the weather prediction side and from the usage of the forecasts. The new International Energy Agency (IEA) Task on Forecasting for Wind E...... forecasts, including probabilistic forecasts. This WP will also organise benchmarks, in cooperation with the IEA Task WakeBench. Thirdly, we will be engaging end users aiming at dissemination of the best practice in the usage of wind power predictions....

  9. Japanese mothers' utterances about agents and actions during joint picture-book reading.

    Science.gov (United States)

    Murase, Toshiki

    2014-01-01

    This study extended the research on the scaffolding provided by mothers while reading picture books with their children from a focus on conversational styles related to labeling to a focus on those related to agents and actions to clarify the process by which language develops from the one-word to the syntactic stage. We clarified whether mothers decreased the degree of scaffolding in their initiation of conversations, in the responses to their children's utterances, and in the choice of referential ranges of their utterances. We also investigated whether maternal conversational styles contributed to the development of their children's vocabularies. Eighteen pairs of Japanese mothers and their children were longitudinally observed when the children were 20 and 27 months of age. The pairs were given a picture book depicting 24 animals engaged in everyday behavior. The mothers shifted their approach in the initiation of conversation from providing to requesting information as a function of their children's age. The proportion of maternal elaborative information-seeking responses was positively correlated with the size of their children's productive vocabulary. In terms of referential choices, mothers broadened the range of their references as their children aged. In terms of the contribution of maternal conversational styles to children's vocabulary development, the use of a maternal elaborative information-seeking style when the children were 20 months of age predicted the size of the children's productive vocabulary at 27 months. These results indicate that mothers decrease the degree of scaffolding by introducing more complex information into the conversations and transferring the role of actively producing information to their children by requesting information as their children develop. The results also indicate that these conversational styles promote the development of children's vocabularies during the transition from the one-word to the syntactic stage.

  10. Japanese mothers’ utterances about agents and actions during joint picture-book reading

    Science.gov (United States)

    Murase, Toshiki

    2013-01-01

    This study extended the research on the scaffolding provided by mothers while reading picture books with their children from a focus on conversational styles related to labeling to a focus on those related to agents and actions to clarify the process by which language develops from the one-word to the syntactic stage. We clarified whether mothers decreased the degree of scaffolding in their initiation of conversations, in the responses to their children’s utterances, and in the choice of referential ranges of their utterances. We also investigated whether maternal conversational styles contributed to the development of their children’s vocabularies. Eighteen pairs of Japanese mothers and their children were longitudinally observed when the children were 20 and 27 months of age. The pairs were given a picture book depicting 24 animals engaged in everyday behavior. The mothers shifted their approach in the initiation of conversation from providing to requesting information as a function of their children’s age. The proportion of maternal elaborative information-seeking responses was positively correlated with the size of their children’s productive vocabulary. In terms of referential choices, mothers broadened the range of their references as their children aged. In terms of the contribution of maternal conversational styles to children’s vocabulary development, the use of a maternal elaborative information-seeking style when the children were 20 months of age predicted the size of the children’s productive vocabulary at 27 months. These results indicate that mothers decrease the degree of scaffolding by introducing more complex information into the conversations and transferring the role of actively producing information to their children by requesting information as their children develop. The results also indicate that these conversational styles promote the development of children’s vocabularies during the transition from the one-word to the

  11. Japanese mothers’ utterances about agents and actions during joint picture-book reading

    Directory of Open Access Journals (Sweden)

    Toshiki eMURASE

    2014-05-01

    Full Text Available This study extended the research on the scaffolding provided by mothers while reading picture books with their children from a focus on conversational styles related to labeling to a focus on those related to agents and actions to clarify the process by which language develops from the one-word to the syntactic stage. We clarified whether mothers decreased the degree of scaffolding in their initiation of conversations, in the responses to their children’s utterances, and in the choice of referential ranges of their utterances. We also investigated whether maternal conversational styles contributed to the development of their children’s vocabularies. Eighteen pairs of Japanese mothers and their children were longitudinally observed when the children were 20 and 27 months of age. The pairs were given a picture book depicting 24 animals engaged in everyday behavior. The mothers shifted their approach in the initiation of conversation from providing to requesting information as a function of their children’s age. The proportion of maternal elaborative information-seeking responses was positively correlated with the size of their children’s productive vocabulary. In terms of referential choices, mothers broadened the range of their references as their children aged. In terms of the contribution of maternal conversational styles to children’s vocabulary development, the use of a maternal elaborative information-seeking style when the children were 20 months of age predicted the size of the children’s productive vocabulary at 27 months. These results indicate that mothers decrease the degree of scaffolding by introducing more complex information into the conversations and transferring the role of actively producing information to their children by requesting information as their children develop. The results also indicate that these conversational styles promote the development of children’s vocabularies during the transition from the one

  12. [Experience in organization of joint actions of expert divisions during the accident at P.S. Podporozniy Sayano-Shushenskaya hydroelectric power station].

    Science.gov (United States)

    Kolkutin, V V; Ivanov, P L; Fetisov, V A; Afanas'ev, S A; Dorozhkin, O A; Vognerubov, R N; Kuznetsov, T L

    2010-01-01

    The authors illustrate positive experience in organization and coordination of joint actions of expert divisions of different sectors during the accident at P.S. Podporozniy Sayano-Shushenskaya hydroelectric power station in August 2009. Special emphasis is laid on the participation of experts of quick-reaction teams formed by territorial forensic medical bureaus, mobile and supporting forces from the adjacent regions.

  13. Evaluation of the physical protection system of the IEA-R1 research reactor

    International Nuclear Information System (INIS)

    Vaz, Antonio C.A.; Conti, Thadeu das N.

    2013-01-01

    The '09/11' in New York and the accident at the Fukushima power plant are two events that served as worldwide reference to review some aspects of the Physical Protection System (PPS) in nuclear areas. The nuclear research reactor IEA-R1 has followed this new world order and improved the protection systems that are directly related to detection (CCTV, sensors, alarms, etc), delay (turnstile, gates, barriers, etc) and response (communication systems, response force, etc), for operation against malicious act, seeking always to avoid or minimize any possibility of threat, theft and sabotage. These actions were performed to prevent and to mitigate the consequence on the environment, economy and society from damages caused by natural hazard, as well. This study evaluates the PPS of the IEA-R1 regarding the weaknesses, strengths,and impacts of the changes resulting from the system implanted. The analyses were based on methodology developed by security experts from SANDIA National Laboratories in Texas - U.S.A, allowing the evaluation of the system through probabilistic and hypothetical analysis. (author)

  14. A Look at the IEA 2011 Release of Strategic Oil Reserves

    International Nuclear Information System (INIS)

    Glick, Devin

    2011-07-01

    On June 23, 2011, the International Energy Agency (IEA) coordinated the release of 60 million barrels of emergency stocks in response to the disruption of oil production in Libya due to civil unrest. This announcement elicited a mixed reaction from the public and from the market. Some politicians in the United States called the move a political decision by the President to satisfy voters, private oil companies did not like the interference, and some OPEC countries were upset and called the release unnecessary. The reason why there was a strong reaction was because the IEA had never coordinated a release in this manner before. It was only the third time there had ever been a release, after the First Gulf War in 1991 and for Hurricane Katrina and Rita in 2005. The circumstance and decision for the June 23 drawdown was more flexible and may signal a change in the way strategic petroleum stocks are used. This paper examines the motivations and the potential consequences of the International Energy Agency's coordinated action to release petroleum stocks on June 23, 2011. (author)

  15. Evaluation of the physical protection system of the IEA-R1 research reactor

    Energy Technology Data Exchange (ETDEWEB)

    Vaz, Antonio C.A.; Conti, Thadeu das N., E-mail: acavaz@ipen.br, E-mail: tnconti@yahoo.com.br [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2013-07-01

    The '09/11' in New York and the accident at the Fukushima power plant are two events that served as worldwide reference to review some aspects of the Physical Protection System (PPS) in nuclear areas. The nuclear research reactor IEA-R1 has followed this new world order and improved the protection systems that are directly related to detection (CCTV, sensors, alarms, etc), delay (turnstile, gates, barriers, etc) and response (communication systems, response force, etc), for operation against malicious act, seeking always to avoid or minimize any possibility of threat, theft and sabotage. These actions were performed to prevent and to mitigate the consequence on the environment, economy and society from damages caused by natural hazard, as well. This study evaluates the PPS of the IEA-R1 regarding the weaknesses, strengths,and impacts of the changes resulting from the system implanted. The analyses were based on methodology developed by security experts from SANDIA National Laboratories in Texas - U.S.A, allowing the evaluation of the system through probabilistic and hypothetical analysis. (author)

  16. The Joint Action on Health Workforce Planning and Forecasting: Results of a European programme to improve health workforce policies.

    Science.gov (United States)

    Kroezen, Marieke; Van Hoegaerden, Michel; Batenburg, Ronald

    2018-02-01

    Health workforce (HWF) planning and forecasting is faced with a number of challenges, most notably a lack of consistent terminology, a lack of data, limited model-, demand-based- and future-based planning, and limited inter-country collaboration. The Joint Action on Health Workforce Planning and Forecasting (JAHWF, 2013-2016) aimed to move forward on the HWF planning process and support countries in tackling the key challenges facing the HWF and HWF planning. This paper synthesizes and discusses the results of the JAHWF. It is shown that the JAHWF has provided important steps towards improved HWF planning and forecasting across Europe, among others through the creation of a minimum data set for HWF planning and the 'Handbook on Health Workforce Planning Methodologies across EU countries'. At the same time, the context-sensitivity of HWF planning was repeatedly noticeable in the application of the tools through pilot- and feasibility studies. Further investments should be made by all actors involved to support and stimulate countries in their HWF efforts, among others by implementing the tools developed by the JAHWF in diverse national and regional contexts. Simultaneously, investments should be made in evaluation to build a more robust evidence base for HWF planning methods. Copyright © 2017 Elsevier B.V. All rights reserved.

  17. IEA Vehicle Efficiency Workshops Drive New Vehicle Policy Approaches

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    Fuel economy is not only about getting more performance from the engine. Components outside the engine are also large fuel consumers. If fuel-economy test methods always remembered that, vehicle manufacturers would optimise component performance. A number of initiatives addressing component test standards and related policies have been triggered by IEA's recent workshops.

  18. Lessons Learned from the Energy Policies of IEA Countries

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2009-07-01

    This information paper provides policy makers and managers, facing tough energy policy challenges, with a wider perspective of how the same issues are being addressed by different IEA member countries. The topics included are: Government structures for co-ordinating energy and climate policies; The use of long-term energy forecasts and scenarios; and Progress in the delivery of key energy security policies.

  19. Wind power forecasting: IEA Wind Task 36 & future research issues

    DEFF Research Database (Denmark)

    Giebel, Gregor; Cline, J.; Frank, Helmut Paul

    2016-01-01

    the weather prediction side and from the usage of the forecasts. The new International Energy Agency (IEA) Task on Forecasting for Wind Energy tries to organise international collaboration, among national meteorological centres with an interest and/or large projects on wind forecast improvements (NOAA, DWD...

  20. IEA Bioenergy Task 40 country report for the Netherlands 2011

    NARCIS (Netherlands)

    Goh, C.S.; Junginger, H.M.; Jonker, J.G.G.; Faaij, A.P.C.

    2011-01-01

    This country report was written within the frame of IEA Bioenergy Task 40. In summary, the aims of this country report are: (1) To provide a concise overview of biomass policy, domestic resources, biomass users, biomass prices and biomass trade, and (2) To analyse bioenergy trends, and reasons for

  1. Renewable energy. Market and policy trends in IEA countries

    International Nuclear Information System (INIS)

    2004-01-01

    Renewable energy has received high levels of attention in recent years as an alternative to traditional hydrocarbons. Governments, industry and consumers have adopted and promoted renewable technologies in response to concerns about energy security and the environment, and as a solution to electricity access problems in developing countries. To what degree has renewable energy gained a share in the energy mix? What lessons can be learned from efforts made thus far? Renewable Energy - Market and Policy Trends in IEA Countries reviews the experience of IEA countries after the oil crisis in the 1970's initiated a surge of investments in renewables research and development. While use of renewables has grown rapidly, they still account for only a small portion of the IEA energy mix. Hydropower, bio-energy and geothermal energy are mature technologies that contribute about 5 - 6% to primary energy supply. Solar, wind, and other new renewables have experienced rapid technology development, but as yet they represent only a small share. This work examines policies and measures that have been introduced in IEA countries to increase the cost effective deployment of renewables, reviews the objectives behind these policies, and evaluates the results. The aim is to identify best practices in order to assist governments in making future policy decisions

  2. IEA SHC Task 42/ECES Annex 29 WG A1

    DEFF Research Database (Denmark)

    Ristić, Alenka; Furbo, Simon; Moser, Christoph

    2016-01-01

    An overview on the recent results on the engineering and characterization of sorption materials, PCMs and TCMs investigated in the working group WG A1 “Engineering and processing of TES materials” of IEA SHC Task 42 / ECES Annex 29 (Task 4229) entitled “Compact Thermal Energy Storage” is presented....

  3. Large solar energy systems within IEA task 14

    NARCIS (Netherlands)

    Geus, A.C. de; Isakson, P.; Bokhoven, T.P.; Vanoli, K.; Tepe, R.

    1996-01-01

    Within IEA Task 14 (Advanced Solar Systems) a working group was established dealing with large advanced solar energy systems (the Large Systems Working group). The goal of this working group was to generate a common base of experiences for the design and construction of advanced large solar systems.

  4. IEA-R1 reactor - Spent fuel management

    International Nuclear Information System (INIS)

    Mattos, J.R.L. De

    1996-01-01

    Brazil currently has one Swimming Pool Research Reactor (IEA-R1) at the Instituto de Pesquisas Energeticas e Nucleares - Sao Paulo. The spent fuel produced is stored both at the Reactor Pool Storage Compartment and at the Dry Well System. The present situation and future plans for spent fuel storage are described. (author). 3 refs, 2 figs, 2 tabs

  5. Achievement Data in IEA Studies and Simpson's Paradox

    Science.gov (United States)

    Zuzovsky, Ruth; Steinberg, David M.; Libman, Zipi

    2011-01-01

    This paper is meant to highlight the occurrence of Simpson's Paradox when using aggregated data obtained from two IEA studies in Israel, while ignoring the effect of a powerful intervening variable in the local context--the ethnicity factor. It will demonstrate faulty conclusions regarding either the absence of relationships between a contextual…

  6. Development in fiscal 1999 of technologies to put photovoltaic power generation systems into practical use. International cooperation projects (Collection of information on IEA photovoltaic air conditioning and hot water supply program); 1999 nendo taiyoko hatsuden system jitsuyoka gijutsu kaihatsu seika hokokusho. Kokusai kyoryoku jigyo (IEA taiyo reidanbo kyuto program ni kansuru joho shushu)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-03-01

    This paper reports activities of collecting items of information by dispatching experts mainly composed of members of the IEA photovoltaic air conditioning, and solar heating and cooling program (SHCP) committee to the SHCP Executive Committee and the Task expert conferences. This treaty is intended to assist creating the environmentally sustainable future by utilizing solar designs and technologies. It also aims at developing solar technologies including cost reduction as a result of the joint researches with business entities, structuring international markets, providing items of information, quantifying the effectiveness to the environment, performing the international standardization, and promoting utilization of solar technologies in developing countries. The tasks now in action include architectural lighting, methods for analyzing solar architectural energies, optimization of solar energy utilization in large buildings, procurement of active solar systems, air conditioning systems in buildings using the solar energy, solar heat composite systems, expansion of exterior component materials for solar buildings, sustainable buildings, agricultural solar drying, solar cities, a hybrid heat/PV solar system. (NEDO)

  7. Practical recommendations for increasing transparency in international gas and coal markets. Report by IEA, IEF and OPEC to G20 Finance Ministers, May 2013

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2013-05-26

    The communique from the G20 Finance Ministers and Central Bank Governors meeting held on 5 November 2012 in Mexico City included the following passage: ''We welcome the report prepared by the IEA, the IEF and the OPEC on increasing transparency in international gas and coal markets and ask these organizations to propose practical steps by mid-2013 that G20 countries could take to implement them.'' The attached joint paper represents a collaborative effort by the three international organizations to fulfill the request from the G20. The joint paper was submitted to the G20 on 24 May 2013.

  8. Communication dated 31 January 2014 received from the Permanent Mission of the Islamic Republic of Iran to the Agency concerning the text of the Joint Plan of Action

    International Nuclear Information System (INIS)

    2014-01-01

    The Director General has received a communication dated 31 January 2014 from the Permanent Mission of the Islamic Republic of Iran to the Agency, concerning the text of the Joint Plan of Action agreed by the Islamic Republic of Iran and China, France, Germany, the Russian Federation, the United Kingdom and the United States of America on 24 November 2013. As requested, the communication is circulated herewith [es

  9. Communication dated 8 August 2006 from the Permanent Mission of Finland to the Agency concerning a Joint Action adopted by the Council of the European Union

    International Nuclear Information System (INIS)

    2006-01-01

    The Secretariat has received a Note Verbale dated 8 August 2006 from the Permanent Mission of Finland, attaching a new Joint Action adopted by the Council of the European Union on 12 June 2006 on support for IAEA activities in the areas of nuclear security and verification as part of the EU Strategy against Proliferation of Weapons of Mass Destruction. As requested in the Note Verbale, the Note and its attachment are herewith circulated as an Information Circular

  10. IEA-NEA Nuclear Technology Road-map Update - Asia Stakeholder Engagement Workshop

    International Nuclear Information System (INIS)

    Tam, Cecilia; ); Paillere, Henri; ); Guoxing, Gu; Tianmin, Xin; Autebert, Remy; Murphy, Paul; Barkatullah, Nadira; Nkong-Njock, Vincent; Dubinsky, Melissa; Cordero, Didier

    2014-01-01

    In 2010, the International Energy Agency (IEA) and the Nuclear Energy Agency (NEA) released a Nuclear Energy Technology Road-map which outlined the steps needed to accelerate the development of nuclear power and its role in achieve deep greenhouse-gas emissions reduction. Both the global energy sector and the outlook for nuclear have changed significantly since then and an update of this Road-map is currently underway. The IEA and NEA held a stakeholder dialogue meeting focused on nuclear develop in Asia on 25 February 2014 in Hong Kong. The meeting brought together key stakeholders from industry, government, finance and other relevant organisations from Asia and beyond to help define and prioritise key items to be discussed in the IEA/NEA's Nuclear Road-map Update. One of the expected outcomes of this intensive brainstorming and Road-map development session was to discus key targets, milestones, policy measures and other actions needed to support the development and deployment of nuclear power. The workshop was organized in 3 sessions dealing with: Session 1 - Technology development needs for nuclear (Reactor technology, Fuel cycle and decommissioning); Session 2 - Breakout Discussion: - Group I: Financing nuclear. This session focussed on today's reality for financing nuclear and the current economics of nuclear. Mechanisms such as government loan guarantees, vendor financing and role of export credit agencies were discussed. Participants were asked to share lessons learnt and current practices on financing nuclear as well as recommendations (if needed) for additional policy support or changes in technology development (e.g. SMR) which would facilitate greater deployment of nuclear technologies. - Group II: Nuclear regulation and safety. This session focussed on regulatory needs for enhanced security and regulation for new build programmes, institutional development requirements for new nuclear countries. Safety research following the Fukushima Daiichi accident

  11. Experiment of IEA-R1 reactor core cooling by air convection after pool water loss accident

    International Nuclear Information System (INIS)

    Torres, Walmir Maximo; Baptista Filho, Benedito Dias

    2000-01-01

    This paper presents a study of a Emergency Core Cooling to be applied to the IEA-R1 reactor. This system must have the characteristics of passive action, with water spraying over the core, and feeding by gravity from elevated reservoirs. In the evaluation, this system must demonstrate that when the reservoirs are emptied, the core cooling must assure to be fulfilled by air natural convection. This work presents the results of temperature distribution in a test section with plates electrically heated simulation the heat generation conditions on the most heated reactor element

  12. IEA PVPS Task 1 - UK Expert. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Gunning, R.

    2003-07-01

    The paper relates to work carried out under contract to the UK Renewable Energy Programme, and describes the terms of reference of the UK representation in the IEA PVPS Task 1 which provides a forum for exchange of information on photovoltaic (PV) technology between 21 participating countries. The main benefit derived by the UK is access to international expertise in PV technology. Using information obtained from participation in Task 1, the UK produces a National Survey Report which reports on developments in PV technology in the UK over the previous 12 months. The report covers installed capacity, prices, budgets and costs: it is freely available on the UK PVPS website. The newsletter PV Power, is prepared and distributed biannually - 18 issues have been published by mid-2003. IT Power is currently the UK representative on the IEA PVPS Task 1.

  13. Determination of the radiological capacity in the IEA environment

    International Nuclear Information System (INIS)

    Palacios, E.; Oliveira, P.L.C.

    1976-01-01

    The radiological capacity in the IEA environment, was calculated according to the recommendations of the International Commission on Radiological Protection, in order to assess the management wastes disposal programming. The value of radiological capacity, take into account the isotopic composition, at the production moment, was 850 Ci/year. The IEA radioactive environment disposal, up to now, employed just a small fraction of its capacity. Iodine I-131 air inhalation, and external radiation, derivated from the sediments around the discharged point of Pinheiros river, were the 'critical pathways'; for the second case the 'critical radionuclides' were: Te-125m, Te-123m, Te-127m, I-131 e Cs-137. The 'Dose Commitment' of one year operation will be not upper than 20 mrad in the infant's thyroid and 140 mrad in the whole body [pt

  14. How the nuclear safety team conducts emergency exercises at the IEA-R1 reactor

    International Nuclear Information System (INIS)

    Vaz, Antonio C.A.; Silva, Davilson G.; Toyoda, Eduardo Y.; Santia, Paulo S.; Conti, Thadeu N.; Semmler, Renato; Carvalho, Ricardo N.

    2015-01-01

    This work introduces the Diagram of Emergency Exercise Coordination designed by the Nuclear Safety Team for better Emergency Exercise coordination. The Nuclear Safety Team was created with the mission of avoiding, preventing and mitigating the causes and effects of accidents at the IEA-R1. The facility where we conduct our work is located in an area of a huge population, what increases the responsibility of our mission: conducting exercises and training are part of our daily activities. During the Emergency Exercise, accidents ranked 0-4 on INES (International Nuclear Events Scale) are simulated and involve: Police Department, Fire Department, workers, people from the community, and others. In the last exercise held in June 2014, the scenario contemplated a terrorist organization action that infiltrated in a group of students who were visiting the IEA-R1, tried to steal fresh fuel element to fabricate a dirty bomb. Emergency procedures and plans, timeline and metrics of the actions were applied to the Emergency Exercise evaluation. The next exercise will be held in November, with the simulation of the piping of the primary cooling circuit rupture, causing the emptying of the pool and the lack of cooling of the fuel elements in the reactor core: this will be the scenario. The skills acquired and the systems improvement have been very important tools for the reactor operation safety and the Nuclear Safety Team is making technical efforts so that these Emergency Exercises may be applied to other nuclear and radiological facilities. Equally important for the process of improving nuclear safety is the emphasis placed on implementing quality improvements to the human factor in the nuclear safety area, a crucial element that is often not considered by those outside the nuclear sector. Surely, the Diagram of Emergency Exercise Coordination application will improve and facilitate the organization, coordination and evaluation tasks. (author)

  15. How the nuclear safety team conducts emergency exercises at the IEA-R1 reactor

    Energy Technology Data Exchange (ETDEWEB)

    Vaz, Antonio C.A.; Silva, Davilson G.; Toyoda, Eduardo Y.; Santia, Paulo S.; Conti, Thadeu N.; Semmler, Renato; Carvalho, Ricardo N., E-mail: acavaz@ipen.br, E-mail: dgsilva@ipen.br, E-mail: eytoyoda@ipen.br, E-mail: psantia@ipen.br, E-mail: tnconti@ipen.br, E-mail: rsemmler@ipen.b, E-mail: rncarval@ipen.br [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2015-07-01

    This work introduces the Diagram of Emergency Exercise Coordination designed by the Nuclear Safety Team for better Emergency Exercise coordination. The Nuclear Safety Team was created with the mission of avoiding, preventing and mitigating the causes and effects of accidents at the IEA-R1. The facility where we conduct our work is located in an area of a huge population, what increases the responsibility of our mission: conducting exercises and training are part of our daily activities. During the Emergency Exercise, accidents ranked 0-4 on INES (International Nuclear Events Scale) are simulated and involve: Police Department, Fire Department, workers, people from the community, and others. In the last exercise held in June 2014, the scenario contemplated a terrorist organization action that infiltrated in a group of students who were visiting the IEA-R1, tried to steal fresh fuel element to fabricate a dirty bomb. Emergency procedures and plans, timeline and metrics of the actions were applied to the Emergency Exercise evaluation. The next exercise will be held in November, with the simulation of the piping of the primary cooling circuit rupture, causing the emptying of the pool and the lack of cooling of the fuel elements in the reactor core: this will be the scenario. The skills acquired and the systems improvement have been very important tools for the reactor operation safety and the Nuclear Safety Team is making technical efforts so that these Emergency Exercises may be applied to other nuclear and radiological facilities. Equally important for the process of improving nuclear safety is the emphasis placed on implementing quality improvements to the human factor in the nuclear safety area, a crucial element that is often not considered by those outside the nuclear sector. Surely, the Diagram of Emergency Exercise Coordination application will improve and facilitate the organization, coordination and evaluation tasks. (author)

  16. IEA Bioenergy Task 40 country report for the Netherlands 2011

    OpenAIRE

    Goh, C.S.; Junginger, H.M.; Jonker, J.G.G.; Faaij, A.P.C.

    2011-01-01

    This country report was written within the frame of IEA Bioenergy Task 40. In summary, the aims of this country report are: (1) To provide a concise overview of biomass policy, domestic resources, biomass users, biomass prices and biomass trade, and (2) To analyse bioenergy trends, and reasons for change in the Netherlands and point out barriers & opportunities for trade in detail, and Current biomass user (energy use) Table ES-1 shows the energy use of biomass in the Netherlands in 2010. The...

  17. Energy policies of IEA countries: Australia 2005 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-11-16

    The report reviews Australia's energy policies and makes recommendations to the government on future policy development. The IEA commends the efficiency and security of the Australian energy market but recommends that the country will have to substantially alter future energy supply and/or demand behaviour if it wants to moderate emission levels and work within any future global climate change mitigation programme. 23 figs., 27 tabs., 3 annexes.

  18. Energy policies of IEA countries: Australia 2005 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-11-16

    The report reviews Australia's energy policies and makes recommendations to the government on future policy development. The IEA commends the efficiency and security of the Australian energy market but recommends that the country will have to substantially alter future energy supply and/or demand behaviour if it wants to moderate emission levels and work within any future global climate change mitigation programme. 23 figs., 27 tabs., 3 annexes.

  19. IAEA and IEA roles in international fusion energy research

    International Nuclear Information System (INIS)

    Dolan, T.; Nakamura, K.

    2000-01-01

    The article describes the IAEA's and the IEA's complementary roles in facilitating international fusion research cooperation. These roles represent highly desirable contributions to fusion research through pooling of limited human and financial resources. The two Agencies both coordinate research and organize technical meeting, but in different ways. They each have unique strengths and different modes of operation. In order to deal with potential overlaps and serve the fusion research community optimally, they are coordinating their activities

  20. IEA-Advanced Motor Fuels Annual Report 2010

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-12-02

    The annual report from the IEA implementing agreement on Advanced Motor Fuels (AMF) describes the agreement, activities, and projects for the year. A section on the global situation for Advanced Motor Fuels includes country reports from each participating AMF member. A status report on each active annex for the agreement is also included, as is a message from the AMF Chairman. Final sections include an Outlook for Advanced Motor Fuels, further information, and a glossary of terms.

  1. Energy policies of IEA countries. Canada 1996 review

    International Nuclear Information System (INIS)

    1996-01-01

    This IEA report provides a comprehensive, in-depth assessment of the energy policies of Canada, including recommendations on future policy developments. The report acknowledges the marked shift of federal energy policy in the last decade away from heavy intervention to a more market-based approach. This has increased the strength and competitive position of Canada's energy producers, especially in oil and gas, and has provided more choice for consumers. Electricity, however, is an area that could benefit from a more market-based policy orientation. Federal provincial co-ordination is of fundamental importance. Other key issues highlighted in the review include the opportunities and challenges of international agreements on the environment, which increasingly drive energy policy decision-making; the adequacy and effectiveness of programmes to promote energy efficiency; and the balance and direction of energy research and development efforts. This report forms part of a series of periodic in-depth reviews conducted and discussed by the IEA Member countries on a four-year cycle. Short reviews of energy policy developments in all twenty-three Member countries are published annually in Energy Policies of IEA Countries. (author)

  2. A critical review of IEA's oil demand forecast for China

    International Nuclear Information System (INIS)

    Nel, Willem P.; Cooper, Christopher J.

    2008-01-01

    China has a rapidly growing economy with a rapidly increasing demand for oil. The International Energy Agency (IEA) investigated possible future oil demand scenarios for China in the 2006 World Energy Outlook. The debate on whether oil supplies will be constrained in the near future, because of limited new discoveries, raises the concern that the oil industry may not be able to produce sufficient oil to meet this demand. This paper examines the historical relationship between economic growth and oil consumption in a number of countries. Logistic curve characteristics are observed in the relationship between per capita economic activity and oil consumption. This research has determined that the minimum statistical (lower-bound) annual oil consumption for developed countries is 11 barrels per capita. Despite the increase reported in total energy efficiency, no developed country has been able to reduce oil consumption below this lower limit. Indeed, the IEA projections to 2030 for the OECD countries show no reduction in oil demand on a per capita basis. If this lower limit is applied to China, it is clear that the IEA projections for China are under-estimating the growth in demand for oil. This research has determined that this under-estimation could be as high as 10 million barrels per day by 2025. If proponents of Peak Oil such as Laherrere, Campbell and Deffeyes are correct about the predicted peak in oil production before 2020 then the implications of this reassessment of China's oil demand will have profound implications for mankind

  3. Energy policies of IEA countries. Sweden 1996 review

    International Nuclear Information System (INIS)

    1996-01-01

    This IEA report provides a comprehensive, in-depth assessment of the energy policies of Sweden, including recommendations on future policy developments. Electricity is a focal point of Sweden's energy policy. After a shift in the energy mix to favour electricity in the early 1970's, nuclear and hydro power each make up about half of the electricity supply. Two key events have occurred since then: the 1980 referendum, which calls for the phase-out of all nuclear plants by 2010; the recent restructuring and liberalization of the electricity sector with the creation of a Nordic electricity market. In this context, the report argues the case for making a decision now on the nuclear issue to clarify Sweden's electricity future. Other key issues highlighted in the report include Sweden's use of economic policy instruments such as a carbon tax to achieve energy and environment goals, and the adequacy and effectiveness of government efforts to promote biofuels and energy efficiency. This report forms part of a series of periodic in-depth reviews conducted and discussed by the IEA Member countries on a four-year cycle. Short reviews of energy policy developments in all twenty-three Member countries are published annually in Energy Policies of IEA Countries. (author). 13 figs., 9 tabs., 4 appends

  4. International Energy Agency's Heat Pump Centre (IEA-HPC) Annual National Team Working Group Meeting

    Science.gov (United States)

    Broders, M. A.

    1992-09-01

    The traveler, serving as Delegate from the United States Advanced Heat Pump National Team, participated in the activities of the fourth IEA-HPC National Team Working Group meeting. Highlights of this meeting included review and discussion of 1992 IEA-HPC activities and accomplishments, introduction of the Switzerland National Team, and development of the 1993 IEA-HPC work program. The traveler also gave a formal presentation about the Development and Activities of the IEA Advanced Heat Pump U.S. National Team.

  5. IEA Implementing Agreements and Annexes: A Guide for Building Technologies Program Managers

    Energy Technology Data Exchange (ETDEWEB)

    Evans, Meredydd; Meier, Alan; Runci, Paul J.

    2008-08-05

    This guide presents insights and guidance from DOE’s gathered through longstanding and extensive participation in IEA implementing agreements (IAs) and annexes. Even though DOE has been a key participant in international research activities through the IEA since the 1970s, the experience, knowledge, and institutional memory associated with these activities can be lost or forgotten easily as key DOE managers retire or leave the department. The guide seeks to assemble in a single reference some of the learning that has occurred through participation in IEA IAs as a guide for BTP managers currently responsible for IAs and for those who might consider entering into new IEA activities in the future.

  6. Better Use of Biomass for Energy. Position Paper of IEA RETD and IEA Bioenergy

    International Nuclear Information System (INIS)

    Fritsche, U.R.; Kampman, B.; Bergsma, G.

    2009-12-01

    Key findings are presented from a joint project on 'Better Use of Biomass for Energy' which identifies opportunities of bioenergy for better greenhouse-gas reduction, and of climate policies for better bioenergy development.

  7. Residual and working stresses in pipe joints in heterogeneous metals, due to common action of welding and service loads

    International Nuclear Information System (INIS)

    Kiselev, S.N.; Voronin, N.N.; Roshchin, V.V.

    1978-01-01

    The stresses in the welded joints of cylindrical shells are studied, which are caused by the total effect of the thermal deformation welding cycles, by the preheats connected with the thermal treatment or operation, and by power loads. Studied were the shell joints made of the steels Kh18N10T and St.3, as well as the joints of three shells made of different metals, St.3+18N1aT steel+copper. The schematic diagram showing the residual stresses set up under effect of different factors are presented. The following has been shown by the study: the preheating of the welded joints of the shells made of diverse metals up to the operational temperatures does not result in obviating the residual stresses. If the welded shells are loaded by the internal pressure up to the stresses of (0.8-O.9) sigmasub(T), in certain cases an essential (up to 60-70%) reduction in the residual welding stresses may be obtained. The effectiveness of a variation in the residual stresses is reduced in the joints that have been thermally treated after welding. The working stresses set up in the welded joints of the shells made of different metals under the operational loading may be essentially reduced through initial preheating with the application of a pressure or without it. The preheating temperature and the pressures applied may be chosen so that to create the residual strains and the stresses of inverse sign as compared with the working stresses

  8. Rapid Screening of Active Components with an Osteoclastic Inhibitory Effect in Herba epimedii Using Quantitative Pattern–Activity Relationships Based on Joint-Action Models

    Directory of Open Access Journals (Sweden)

    Xiao-Yan Yuan

    2017-10-01

    Full Text Available Screening of bioactive components is important for modernization and quality control of herbal medicines, while the traditional bioassay-guided phytochemical approach is time-consuming and laborious. The presented study proposes a strategy for rapid screening of active components from herbal medicines. As a case study, the quantitative pattern–activity relationship (QPAR between compounds and the osteoclastic inhibitory effect of Herba epimedii, a widely used herbal medicine in China, were investigated based on joint models. For model construction, standard mixtures data showed that the joint-action models are better than the partial least-squares (PLS model. Then, the Good2bad value, which could reflect components’ importance based on Monte Carlo sampling, was coupled with the joint-action models for screening of active components. A compound (baohuoside I and a component composed of compounds with retention times in the 6.9–7.9 min range were selected by our method. Their inhibition rates were higher than icariin, the key bioactive compound in Herba epimedii, which could inhibit osteoclast differentiation and bone resorption in a previous study. Meanwhile, the half-maximal effective concentration, namely, EC50 value of the selected component was 7.54 μg/mL, much smaller than that of baohuoside I—77 μg/mL—which indicated that there is synergistic action between compounds in the selected component. The results clearly show our proposed method is simple and effective in screening the most-bioactive components and compounds, as well as drug-lead components, from herbal medicines.

  9. Control and instrumentation system of the Zero Power Reactor at IEA, Sao Paulo (Brazil)

    International Nuclear Information System (INIS)

    Peluso, M.A.V.; Matsuda, K.; Hukai, R.

    1974-01-01

    The control and instrumentation system of the Zero Power Reactor at the IEA (Institute of Atomic Energy - Sao Paulo, Brazil) is described. Technical specifications of the main items of equipment are presented in a general way. Information is also given on the connection between the system described and the electrical supply system of the IEA reactor physics laboratory [pt

  10. An fMRI study of joint action – varying levels of cooperation correlates with activity in sensorimotor control, but not mentalization, networks

    Directory of Open Access Journals (Sweden)

    Thierry eChaminade

    2012-06-01

    Full Text Available As social agents, humans continuously interact with with the people around them. Here, motor cooperation was investigated by designing a situation in which pairs of participants, one being scanned with fMRI, controlled jointly a visually presented object with joystick movements. The object oscillated dynamically along two dimensions, shades of pink and width of gratings, corresponding to the two cardinal directions of joystick movements. While the overall control of each participant on the object was kept constant, the amount of cooperation along the two dimensions varied along four levels, from no (each participant controlled exclusively one dimension to full (each participant controlled half of each dimension cooperation. Increasing cooperation correlated with BOLD signal in the left parietal operculum and anterior cingulate cortex, while decreasing cooperation correlated with activity in the right inferior frontal and superior temporal gyri, in the intraparietal sulci and inferior temporal gyrii bilaterally, and in the dorsomedial prefrontal cortex. As joint control improved with the level of cooperation, we assessed the brain responses correlating with joint performance, and found that activity in most of the areas associated with levels of cooperation also correlated with the joint performance. The only brain area found exclusively in the negative correlation with cooperation was within the posterior region of the rostral medial frontal cortex, involved in the monitoring of action outcome. We therefore propose that this region responds to the predictability of visual feedback given the motor commands, which is maximal when participants do not cooperate as they fully control one dimension. Our results therefore indicate that, in the current experimental paradigm, the level of cooperation affects sensorimotor processing, but not mentalizing. Altogether, humans do not need to have access to others’ intentional states to cooperate on a joint

  11. Trainees' Perceived Knowledge Gain Unrelated to the Training Domain: The Joint Action of Impression Management and Motives

    Science.gov (United States)

    Chiaburu, Dan S.; Huang, Jason L.; Hutchins, Holly M.; Gardner, Richard G.

    2014-01-01

    Trainees' knowledge gains represent an important outcome in human resource development. In this research, we tested a model examining the joint influence of social desirability (impression management, self-deception) and motives (need for power, need for approval) on trainees' self-reported knowledge gain. We conducted a study with…

  12. A Prodrug Approach Involving In Situ Depot Formation to Achieve Localized and Sustained Action of Diclofenac After Joint Injection

    DEFF Research Database (Denmark)

    Thing, Mette; Agårdh, Li; Larsen, Susan

    2014-01-01

    Long-acting nonsteroidal anti-inflammatory drug formulations for intra-articular injection might be effective in the management of joint pain and inflammation associated sports injuries and osteoarthritis. In this study, a prodrug-based delivery system was evaluated. The synthesized diclofenac...

  13. Energy policies of IEA countries: Sweden - 2008 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-05-15

    Sweden is one of the leading IEA countries in the use of renewable energy and has a long tradition of ambitious and successful policies to improve energy efficiency. Compared to the other IEA countries, Sweden's CO2 emissions per capita and per unit of GDP are low, partly owing to efficient and low-carbon space heating, and virtually carbon-free electricity generation. The country also remains a forerunner in electricity market liberalisation. Still, even if Sweden has continued to make progress in most areas of its energy policy since the IEA last conducted an in-depth review in 2004, there is room for improvement. As Sweden plans to further increase the use of renewable energy, it is crucial that these supplies are produced and used in the most sustainable manner for the environment and the economy as a whole. With regard to CO2 emissions, more can be done in all sectors, but as transport is the largest polluter and its emissions are increasing, it is the logical focus for Sweden's efforts to reduce emissions further. This is a significant challenge. Nuclear provides almost half of the electricity in Sweden, at a low cost and without CO2 emissions. But the future of nuclear power in the national power mix is still uncertain. To provide clear guidance to the electricity sector, Sweden will need to resolve the ambiguity about the future of nuclear power in the country. This review analyses the energy challenges facing Sweden and provides critiques and recommendations for further policy improvements. It is intended to provide input to Swedish energy policy makers to help them identify a path towards a more sustainable energy future.

  14. Energy Policies of IEA Countries - Canada -- 2009 Review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-04-12

    Canada, with its diverse and balanced portfolio of energy resources, is one of the largest producers and exporters of energy among IEA member countries. The energy sector plays an increasingly important role for the Canadian economy and for global energy security, as its abundant resource base has the potential to deliver even greater volumes of energy. The federal, provincial and territorial governments of Canada are all strongly committed to the sustainable development of the country's natural resources and have a long-standing and informed awareness of the need for each to contribute to the development of the energy sector. Furthermore, the government of Canada seeks to achieve a balance between the environmentally responsible production and use of energy, the growth and competitiveness of the economy, and secure and competitively priced energy and infrastructure. Nonetheless, the long-term sustainability of the sector remains a challenge. Due to climatic, geographic and other factors, Canada is one of the highest per-capita CO2 emitters in the OECD and has higher energy intensity than any IEA member country. A comprehensive national energy efficiency strategy, coupled with a coordinated climate change policy targeted at the key emitting sectors, is needed. Carbon capture and storage (CCS) is a priority for the federal government and presents Canada with an opportunity to develop a new technology that can reduce greenhouse gas emissions on a large scale. The IEA recommends that Canada provide international leadership in the development of CCS technology. This review analyses the energy challenges facing Canada and provides sectoral critiques and recommendations for further policy improvements. It is intended to help guide Canada towards a more sustainable energy future.

  15. Energy Policies of IEA Countries - Canada -- 2009 Review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-04-12

    Canada, with its diverse and balanced portfolio of energy resources, is one of the largest producers and exporters of energy among IEA member countries. The energy sector plays an increasingly important role for the Canadian economy and for global energy security, as its abundant resource base has the potential to deliver even greater volumes of energy. The federal, provincial and territorial governments of Canada are all strongly committed to the sustainable development of the country's natural resources and have a long-standing and informed awareness of the need for each to contribute to the development of the energy sector. Furthermore, the government of Canada seeks to achieve a balance between the environmentally responsible production and use of energy, the growth and competitiveness of the economy, and secure and competitively priced energy and infrastructure. Nonetheless, the long-term sustainability of the sector remains a challenge. Due to climatic, geographic and other factors, Canada is one of the highest per-capita CO2 emitters in the OECD and has higher energy intensity than any IEA member country. A comprehensive national energy efficiency strategy, coupled with a coordinated climate change policy targeted at the key emitting sectors, is needed. Carbon capture and storage (CCS) is a priority for the federal government and presents Canada with an opportunity to develop a new technology that can reduce greenhouse gas emissions on a large scale. The IEA recommends that Canada provide international leadership in the development of CCS technology. This review analyses the energy challenges facing Canada and provides sectoral critiques and recommendations for further policy improvements. It is intended to help guide Canada towards a more sustainable energy future.

  16. Energy policies of IEA countries: Germany 2007 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    The IEA report takes an in-depth look at the energy challenges facing Germany, and through comparisons with good examples in other IEA countries, provides critiques and recommendations for policy improvements. The review guides the country towards a sustainable energy future. Few countries can have as great an impact on energy policy in Europe as Germany. Its large size and strategic location make it a critical component of the region's energy markets - as a result, sound energy policies and strong energy market design are a necessity. In these respects, Germany continues to make notable progress. The country has continued to reform its electricity and natural gas markets, set a timetable to phase out coal subsidies, is meeting key climate and environmental targets and is bringing energy, efficiency and environment to the top of the world agenda with its presidencies of both the G8 and European Union. The International Energy Agency (IEA) praises these efforts. Nevertheless, work remains to be done to further improve German energy policies and markets. The planned phase-out of nuclear power over the coming years would have major impacts on the country's energy mix, raising concerns about energy security, economic efficiency and environmental sustainability for the country and for Europe as a whole. Furthermore, though progress has been made, more needs to be done to set a truly level playing field for competition to develop in gas and electricity markets, which means effective unbundling of transport activities and a strongly empowered regulatory authority. Finally, the country's environmental policies, though helping meet ambitious goals, are expensive - and sometimes various policies work at cross-purposes. 22 figs., 27 tabs., 4 apps.

  17. Individual differences in action co-representation : not personal distress or subclinical psychotic experiences but sex composition modulates joint action performance

    NARCIS (Netherlands)

    van der Weiden, Anouk; Aarts, Henk; Prikken, Merel; van Haren, Neeltje E M

    2015-01-01

    Successful social interaction requires the ability to integrate as well as distinguish own and others' actions. Normally, the integration and distinction of self and other are a well-balanced process, occurring without much effort or conscious attention. However, not everyone is blessed with the

  18. Report on achievements in fiscal 1999. Development of technology to put photovoltaic power generation system into practical use by international cooperation project (Executive Committee meetings for treaty of executing IEA photovoltaic power generation system research cooperation program - IEA/PVPS); 1999 nendo taiyoko hatsuden system jitsuyoka gijutsu kaihatsu. Kokusai kyoryoku jigyo (IEA taiyoko hatsuden system kenkyu kyoryoku program jisshi kyotei (shikko iinkai))

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-03-01

    The 13th and 14th Executive Committee meetings were held. The resolutions adopted at the 13th Executive Committee meeting (Lausanne, Switzerland, May 3 through 5, 1999) were the approval of the Task VIII as a new IEA/PVPS task, the feasibility study on large scale photovoltaic power generation utilizing unused land such as desert (the operating agent country being Japan headed by Mr. Kando, chief researcher at NEDO and Professor Kurokawa) and the Task IX, proliferation of photovoltaic power generation under coordination with developing countries (the operating agent country being England headed by Mr. Bernard McNelis (IT Power) and that the task I operating agent country is substituted jointly by the three countries of Australia, Holland and Switzerland for six months. The resolutions adopted at the 14th Executive Committee meeting (Oslo, Norway, October 18 through 20, 1999) were appointing Australia as the Task I operating agent country headed by Mr. G. Watt, setting a web site of IEA/PVPS, issuing the annual report for fiscal 1998 in early 2000, and holding the Executive Committee meetings for fiscal 2000 in Canada (Quebec, April 17 through 19, 2000), and Italy (October 16 through 18, 2000). (NEDO)

  19. IEA-Advanced Motor Fuels Annual Report 2011

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-07-01

    The annual report from the IEA implementing agreement on Advanced Motor Fuels (AMF) describes what the agreement is about, how to join, various activities of the agreement, a message from the Chairman, and projects/annexes active for the year. An annual section covers the global situation for the topic of advanced motor fuels. Another section includes highlights coming from each country participating in AMF, and major sections relaying activities on each of the ongoing annexes. Information regarding participating delegations, contact information, publications resulting from AMF, and upcoming meetings rounds out the report.

  20. IEA-Advanced Motor Fuels Annual Report 2012

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-06-15

    The annual report from the IEA implementing agreement on Advanced Motor Fuels (AMF) describes what the agreement is about, how to join, various activities of the agreement, a message from the Chairman, and projects/annexes active for the year. An annual section covers the global situation for the topic of advanced motor fuels. Another section includes highlights coming from each country participating in AMF, and major sections relaying activities on each of the ongoing annexes. Information regarding participating delegations, contact information, publications resulting from AMF, and upcoming meetings rounds out the report.

  1. Energy policies of IEA countries. France 1996 review

    International Nuclear Information System (INIS)

    1996-01-01

    This IEA report provides a comprehensive, in-depth assessment of the energy policies of France, including recommendations on how policies could be improved. The report acknowledges the considerable progress made since the first oil crisis towards meeting stated energy policy goals-energy security, competitiveness and environmental protection - but argues the case for some reorientation of policy. Key issues highlighted in the report include restructuring and liberalization of the electricity and gas sectors, distortions to inter-fuel competition and the need for a more rational system of energy taxation, and the adequacy and effectiveness of government efforts to promote energy efficiency. (authors). 13 figs., 6 tabs

  2. Forecast errors in IEA-countries' energy consumption

    DEFF Research Database (Denmark)

    Linderoth, Hans

    2002-01-01

    Every year Policy of IEA Countries includes a forecast of the energy consumption in the member countries. Forecasts concerning the years 1985,1990 and 1995 can now be compared to actual values. The second oil crisis resulted in big positive forecast errors. The oil price drop in 1986 did not have...... the small value is often the sum of large positive and negative errors. Almost no significant correlation is found between forecast errors in the 3 years. Correspondingly, no significant correlation coefficient is found between forecasts errors in the 3 main energy sectors. Therefore, a relatively small...

  3. Proceedings of the first meeting of IEA, Bioenergy, Task 17

    Energy Technology Data Exchange (ETDEWEB)

    Christersson, L.; Ledin, S. [eds.

    1999-07-01

    The present proceedings are the result of the first meeting of Task 17 within the frame of IEA, Bioenergy. During the meeting the objectives of Task 17 were discussed and determined to be: * to stimulate the full-scale implementation of energy crops in participating countries; * to strengthen the contacts and co-operation between participating countries, scientists, biomass producers, machine developers, entrepreneurs, and end users; * to select the most urgent research and development areas, and to suggest projects of co-operation; * to deliver Proceedings from the meetings, and * to inform Ex-Co-members. Separate abstracts have been prepared for all the 7 papers presented.

  4. Whole-Building Hygrothermal Modeling in IEA Annex 41

    DEFF Research Database (Denmark)

    Rode, Carsten; Woloszyn, Monika

    2007-01-01

    . The IEA Annex 41 project runs from 2004–2007, coming to conclusion just before the Thermal Performance of the Exterior Envelopes of Whole Buildings X conference. The Annex 41 project and its Subtask 1 do not aim to produce one state-of-the-art hygrothermal simulation model for whole buildings, but rather...... the modeling, free scientific contributions have been invited from specific fields that need the most attention in order to better accomplish the integral building simulations. This paper will give an overview of the advances in whole-building hygrothermal simulation that have been accomplished and presented...

  5. The doctrine of joint criminal action in the ad hoc tribunals and its scope in the Rome Statute

    Directory of Open Access Journals (Sweden)

    Miren Odriozola-Gurrutxaga

    2014-03-01

    Full Text Available The first judgment of the International Criminal Court has confirmed that article 25 (3 of the Rome Statute adopts the theory of control of the act to distinguish between principals and accessories. On the contrary, since 2003, the ad hoc tribunals’ case law bases the notion of co-perpetration on the Joint Criminal Enterprise doctrine, using a subjective criterion approach. In this article we will first analyze the problems raised by that case law of the ad hoc tribunals, and then, we will study the article of the Rome Statute which apparently most resembles the Joint Criminal Enterprise doctrine: article 25 (3 (d. The article concludes that none of the three categories of that doctrine is included in the said provision.

  6. Electrical system regulations of the IEA-R1 reactor

    International Nuclear Information System (INIS)

    Mello, Jose Roberto de; Madi Filho, Tufic

    2013-01-01

    The IEA-R1 reactor of the Nuclear and Energy Research Institute (IPEN-CNEN/SP), is a research reactor open pool type, designed and built by the U.S. firm Babcock and Wilcox, having, as coolant and moderator, deionized light water and beryllium and graphite, as reflectors. Until about 1988, the reactor safety systems received power from only one source of energy. As an example, it may be cited the control desk that was powered only by the vital electrical system 220V, which, in case the electricity fails, is powered by the generator group: no-break 220V. In the years 1989 and 1990, a reform of the electrical system upgrading to increase the reactor power and, also, to meet the technical standards of the ABNT (Associacao Brasileira de Normas Tecnicas) was carried out. This work has the objective of showing the relationship between the electric power system and the IEA-R1 reactor security. Also, it demonstrates that, should some electrical power interruption occur, during the reactor operation, this occurrence would not start an accident event. (author)

  7. Energy policies of IEA countries 2003. 2003 review

    International Nuclear Information System (INIS)

    2003-01-01

    This volume contains an analysis of developments in energy policies in the Member countries of the International Energy Agency. It features an overview of major trends in the energy markets, notably the renewed interest in energy security on the part of policy-makers. The study describes how, during the period before and during the war in Iraq, the IEA successfully worked to secure oil supply. 2003 was also a year when growing gas demand and rising import dependency in most IEA Member countries obliged energy policy makers to look at the longer term issue of security of gas supply. In addition to these external developments, an internal dimension of energy security arose in the context of electricity and gas market reform. The book also describes the efforts by countries having ratified the Kyoto Protocol to implement the agreements and the trend of energy R and D policies, as well as developments in energy security and energy market reform in major non-OECD countries. It includes: summaries of the in-depth reviews of Austria, Hungary, Italy, Ireland, Japan and Switzerland conducted from October 2002 to June 2003. The full reviews are published separately

  8. Energy policies of IEA countries: New Zealand 2006 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-09-23

    New Zealand faces some serious energy sector challenges, requiring special attention to security of supply issues, both in oil and gas domains. Natural gas production from the major Maui field is rapidly declining. New Zealand's greenhouse gas emissions are rising: the most recent estimates put them at 21% above their Kyoto target over the first commitment period. These challenges are not insurmountable. New Zealand's energy policy is characterised by a commitment to free and open markets complimented by light-handed regulation. The IEA commends this approach and encourages continued policy improvements and enhancements. The energy policy review of New Zealand offers a comprehensive analysis of the country's energy sector, evaluating its strengths and weaknesses across the fuel mix, as well as looking at broader issues such as energy efficiency, environmental performance and technology research and development. It also includes policy critiques and recommendations, drawing on experience across IEA member countries. 33 figs., 21 tabs., 3 annexes.

  9. Danish participation in the IEA solar cell activities

    International Nuclear Information System (INIS)

    1994-05-01

    In the 12-month period 01.05.93 - 30.04.94 the Danish activities in the IEA 'Solar Cell Agreement' consisted in: participation in the Executive Committee (ExCo) and participation in Task 1 'Exchange and Dissemination of Information on PV Power Systems'. ExCo has meetings every half-year and is a coordinating organ for the Agreement. Work on the Task 1 is organized in 4 subtasks: (1) mapping of solar cell activities in the OECD countries and preparation of an IEA handbook on solar cell technology; (2) publishing of a semiannual newsletter about the agreement; (3) an 'executive conference' on solar cell technology and its uses with participation of the decision-makers in respective power industries; (4) information dissemination whenever required. Demonstration projects, like a photovoltaic roof-integrated system connected to the grid. have been implemented. Three larger solar cell projects, subsidized by the EU means, comprehend 'real time monitoring' by a solar system, WHO project 'Solar Energy Applications for Primary Health Care Clinics for Remote Rural Areas' (SAPHIR) and a grid-connected photovoltaic system in a suburb residential settlement. (EG)

  10. The IEA/bioenergy implementing agreement and other activities

    International Nuclear Information System (INIS)

    Costello, R.

    1996-01-01

    Implementing Agreements (IAs) are used widely in international collaborative work within the International Energy Agency (IEA). These agreements are meant to be very flexible depending on the nature of the work and the interests of the participating countries. Many IAs are directed at the development of specific technologies, while a number of IAs are primarily used to facilitate information collection and dissemination. There are also a number of agreements that do not deal directly with technology development, but deal with environmental, economic and safety aspects of the technologies under development. The IEA Bioenergy Agreement is a prime example of how Implementing Agreements can be utilised to establish and expand cooperative research for the effective leveraging of technical knowledge and financial resources in finding solutions to the future needs of a growing energy dependent world. As will be illustrated, these activities are important to the commercialisation and deployment of bioenergy technologies, which increasingly are being visualized as one of the few options that can maintain and promote economic and environmental stability

  11. The IEA/bioenergy implementing agreement and other activities

    Energy Technology Data Exchange (ETDEWEB)

    Costello, R [U.S. Department of Energy, Washington D.C. (United States). Biofuels Systems Div.

    1997-12-31

    Implementing Agreements (IAs) are used widely in international collaborative work within the International Energy Agency (IEA). These agreements are meant to be very flexible depending on the nature of the work and the interests of the participating countries. Many IAs are directed at the development of specific technologies, while a number of IAs are primarily used to facilitate information collection and dissemination. There are also a number of agreements that do not deal directly with technology development, but deal with environmental, economic and safety aspects of the technologies under development. The IEA Bioenergy Agreement is a prime example of how Implementing Agreements can be utilised to establish and expand cooperative research for the effective leveraging of technical knowledge and financial resources in finding solutions to the future needs of a growing energy dependent world. As will be illustrated, these activities are important to the commercialisation and deployment of bioenergy technologies, which increasingly are being visualized as one of the few options that can maintain and promote economic and environmental stability

  12. Energy Policies of IEA Countries: European Union 2008 Review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-07-01

    For the first time, the IEA has reviewed the energy policies of the European Union which shape the energy use of almost 500 million citizens in 27 EU member countries. A unique entity governed under complex and almost constantly evolving structures, the EU constitutes a challenge for energy policy makers. Its energy policy has a global impact, not only because of its 16% share of world energy demand, but also because of the EU leadership in addressing climate change. Strong policy drives are underway in the EU to achieve the completion of the internal energy market, increase renewable energy supply, reduce CO2 emissions and make the EU more energy-efficient. Concerns about security of supply have also led to a greater focus on improved energy relations with supplier countries, and new institutional structures are being put in place. How much progress has been made in the field of security, internal market and external energy policies? And in which of these areas has the EU already implemented a fully integrated policy? IEA Energy Policies Review: The European Union - 2008 addresses these questions and also analyses the impact of the most recent major EU policy measures, in particular the Energy & Climate Package of January 2008 and the 3rd Liberalisation Package of September 2007. This book finds that both of these proposals are highly ambitious. But implementing them and reviewing both volume and allocation of energy R&D will be necessary to achieve a sustainable energy future in a fully competitive integrated EU energy market.

  13. The IEA/bioenergy implementing agreement and other activities

    Energy Technology Data Exchange (ETDEWEB)

    Costello, R. [U.S. Department of Energy, Washington D.C. (United States). Biofuels Systems Div.

    1996-12-31

    Implementing Agreements (IAs) are used widely in international collaborative work within the International Energy Agency (IEA). These agreements are meant to be very flexible depending on the nature of the work and the interests of the participating countries. Many IAs are directed at the development of specific technologies, while a number of IAs are primarily used to facilitate information collection and dissemination. There are also a number of agreements that do not deal directly with technology development, but deal with environmental, economic and safety aspects of the technologies under development. The IEA Bioenergy Agreement is a prime example of how Implementing Agreements can be utilised to establish and expand cooperative research for the effective leveraging of technical knowledge and financial resources in finding solutions to the future needs of a growing energy dependent world. As will be illustrated, these activities are important to the commercialisation and deployment of bioenergy technologies, which increasingly are being visualized as one of the few options that can maintain and promote economic and environmental stability

  14. Assessing the Effectiveness of International Environmental Agreements (IEAs

    Directory of Open Access Journals (Sweden)

    Chenaz B. Seelarbokus

    2014-02-01

    Full Text Available It is commonly claimed that assessing the effectiveness of International Environmental Agreements (IEAs from the environmental problem-solving perspective is challenging because environmental data are not available. However, not much research has been done on the characterization of the nature and causes of such data unavailability. This article analyzes the term “data unavailability” and provides three typologies for data unavailability: (a “true unavailability,” where data collection complexities and resource constraints limit data collection and analysis; (b “false unavailability,” which refers to the existence of relevant data, but failure to report due to various causes; and (c “external availability,” which refers to the existence of relevant data in several organizations and research institutions, but with no established networks for data sharing between such institutions and the IEA institutions. This article discusses the causes for the various types of data unavailability and makes recommendations for promoting data availability.

  15. Gas-fired power. IEA ETSAP technology brief E02

    Energy Technology Data Exchange (ETDEWEB)

    Seebregts, A.J. [Energy research Centre of the Netherlands (Netherlands)], E-mail: seebregts@ecn.nl

    2010-04-15

    This technology brief on gas-fired power is part of a series produced by the IEA called the energy technology data source (E-Tech-DS). The E-Tech-DS series consists of a number of 5-10 page technology briefs similar to the IEA Energy Technology Essentials. Based on the data collected for the models that the Energy Technology Systems Analysis Programme (ETSAP) is known for, ETSAP also prepares technology briefs, called E-TechDS. The E-TechDS briefs are standardized presentations of basic information (process, status, performance, costs, potential, and barriers) for key energy technology clusters. Each brief includes an overview of the technology, charts and graphs, and a summary data table, and usually ending with some key references and further information. The E TechDS briefs are intended to offer essential, reliable and quantitative information to energy analysts, experts, policymakers, investors and media from both developed and developing countries. This specific brief focuses on the state of combined-cycle gas turbines (CCGT). CCGT's have become the technology of choice for new gas-fired power plants since the 1990's.

  16. Proceedings of the IEA-technical workshop on the test cell system for an international fusion materials irradiation facility, Karlsruhe, Germany, July 3-6, 1995. IEA-implementing agreement for a programme of research and development on fusion materials

    International Nuclear Information System (INIS)

    Moeslang, A.; Lindau, R.

    1995-09-01

    After a Conceptual Design Activity (CDA) study on an International Fusion Material Irradiation Facility (IFMIF) has been launched under the auspices of the IEA, working groups and relevant tasks have been defined and agreed in an IEA-workshop that was held September 26-29 1994 at Karlsruhe. For the Test Cell System 11 tasks were identified which can be grouped into the three major fields neutronics, test matrix/users and test cell engineering. In order to discuss recently achieved results and to coordinate necessary activities for an effective design integration, a technical workshop on the Test Cell System was initiated. This workshop was organized on July 3-6 1995 by the Institute for Materials Research I at the Forschungszentrum Karlsruhe and attended by 20 specialists working in the fields neutronics, fusion materials R and D and test cell engineering in the European Union, Japan, and the United States of America. The presentations and discussions during this workshop have shown together with the elaborated lists of action items, that has been achieved in all three fields, and that from the future IFMIF experimental program for a number of materials a database covering widerspread loading conditions up to DEMO-reactor relevant end-of-life damage levels can be expected. (orig.)

  17. A prodrug approach involving in situ depot formation to achieve localized and sustained action of diclofenac after joint injection.

    Science.gov (United States)

    Thing, Mette; Ågårdh, Li; Larsen, Susan; Rasmussen, Rune; Pallesen, Jakob; Mertz, Nina; Kristensen, Jesper; Hansen, Martin; Østergaard, Jesper; Larsen, Claus Selch

    2014-12-01

    Long-acting nonsteroidal anti-inflammatory drug formulations for intra-articular injection might be effective in the management of joint pain and inflammation associated sports injuries and osteoarthritis. In this study, a prodrug-based delivery system was evaluated. The synthesized diclofenac ester prodrug, a weak base (pKa 7.52), has relatively high solubility at low pH (6.5 mg mL(-1) at pH 4) and much lower solubility at physiological pH (4.5 μg mL(-1) at pH 7.4) at 37°C. In biological media including 80% (v/v) human synovial fluid (SF), the prodrug was cleaved to diclofenac mediated by esterases. In situ precipitation of the prodrug was observed upon addition of a concentrated slightly acidic prodrug solution to phosphate buffer or SF at pH 7.4. The degree of supersaturation accompanying the precipitation process was more pronounced in SF than in phosphate buffer. In the rotating dialysis cell model, a slightly acidic prodrug solution was added to the donor cell containing 80% SF resulting in a continuous appearance of diclofenac in the acceptor phase for more than 43 h after an initial lag period of 8 h. Detectable amounts of prodrug were found in the rat joint up to 8 days after knee injection of the acidic prodrug solution. © 2014 Wiley Periodicals, Inc. and the American Pharmacists Association.

  18. Oil and Gas Security. Emergency Response of IEA Countries - Norway 2011 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-08-12

    This publication provides a detailed look at the specific systems in Norway for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  19. Oil and Gas Security. Emergency Response of IEA Countries - Poland 2011 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-08-12

    This publication provides a detailed look at the specific systems in Poland for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  20. Oil and Gas Security. Emergency Response of IEA Countries - Italy 2010 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-07-01

    This publication provides a detailed look at the specific systems in Italy for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  1. Oil and Gas Security. Emergency Response of IEA Countries - Czech Republic 2010 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-07-01

    This publication provides a detailed look at the specific systems in Czech Republic for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  2. Oil and Gas Security. Emergency Response of IEA Countries - Slovak Republic 2011 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-08-12

    This publication provides a detailed look at the specific systems in Slovak Republic for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  3. Oil and Gas Security. Emergency Response of IEA Countries - Spain 2011 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-08-12

    This publication provides a detailed look at the specific systems in Spain for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  4. Oil and Gas Security. Emergency Response of IEA Countries - Denmark 2011 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-08-12

    This publication provides a detailed look at the specific systems in Denmark for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  5. Oil and Gas Security. Emergency Response of IEA Countries - United Kingdom 2010 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-07-01

    This publication provides a detailed look at the specific systems in United Kingdom for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  6. Oil and Gas Security. Emergency Response of IEA Countries - New Zealand 2010 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-07-01

    This publication provides a detailed look at the specific systems in New Zealand for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  7. Oil and Gas Security. Emergency Response of IEA Countries - Belgium 2010 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-08-12

    This publication provides a detailed look at the specific systems in Belgium for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  8. Oil and Gas Security. Emergency Response of IEA Countries - Portugal 2011 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-08-12

    This publication provides a detailed look at the specific systems in Portugal for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  9. Oil and Gas Security. Emergency Response of IEA Countries - Canada 2010 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-07-01

    This publication provides a detailed look at the specific systems in Canada for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  10. Oil and Gas Security. Emergency Response of IEA Countries - Ireland 2011 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-08-12

    This publication provides a detailed look at the specific systems in Ireland for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  11. Oil and Gas Security. Emergency Response of IEA Countries - Luxembourg 2010 update

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-07-01

    This publication provides a detailed look at the specific systems in Luxembourg for responding to an oil supply crisis. Initially prepared as a chapter in the overarching publication on the emergency response mechanisms in various IEA member countries, the IEA has started a new cycle of reviews which now includes reviewing gas emergency policies. Rather than waiting for the completion of the current review cycle to renew the full larger publication, the IEA will be making available updates to the country chapters as these become available following the country's review.

  12. The Joint Action of Destruxins and Botanical Insecticides (Rotenone, Azadirachtin and Paeonolum Against the Cotton Aphid, Aphis gossypii Glover

    Directory of Open Access Journals (Sweden)

    Meiying Hu

    2012-06-01

    Full Text Available The joint action of destruxins and three botanical insecticides, rotenone (Rot, azadirachtin (Aza and paeonolum (Pae against the cotton aphid, Aphis gossypii, was bioassayed. In laboratory experiment, several synergistic groups of destruxins with botanical insecticides were found by means of Sun’s Co-toxicity Coefficients (CTC and Finney’s Synergistic Coefficient (SC. The best synergistic effect was discovered in the ratio group Des/Rot 1/9 with the CTC or SC and LC50 values of 479.93 or 4.8 and 0.06 μg/mL, respectively. The second and third synergistic effects were recorded in the ratio groups Des/Rot 7/3 and 9/1. Although the ratio groups Des/Aza 6/4, Des/Pae 4/6, 3/7 and 2/8 indicated synergism by Sun’s CTC, they were determined as additive actions by Finney’s SC. Additive actions were also found in most of the ratio groups, but antagonism were recorded only in three ratio groups: Des/Pae 9/1, 7/3 and 6/4. In greenhouse tests, the highest mortality was 98.9% with the treatment Des/Rot 1/9 at 0.60 μg/mL, meanwhile, the treatments Des/Pae 4/6 and Des/Aza 6/4 had approximately 88% mortality.

  13. IEA Annex 26: Advanced Supermarket Refrigeration/Heat Recovery Systems

    Energy Technology Data Exchange (ETDEWEB)

    Baxter, VAN

    2003-05-19

    With increased concern about the impact of refrigerant leakage on global warming, a number of new supermarket refrigeration system configurations requiring significantly less refrigerant charge are being considered. In order to help promote the development of advanced systems and expand the knowledge base for energy-efficient supermarket technology, the International Energy Agency (IEA) established IEA Annex 26 (Advanced Supermarket Refrigeration/Heat Recovery Systems) under the ''IEA Implementing Agreement on Heat Pumping Technologies''. Annex 26 focuses on demonstrating and documenting the energy saving and environmental benefits of advanced systems design for food refrigeration and space heating and cooling for supermarkets. Advanced in this context means systems that use less energy, require less refrigerant and produce lower refrigerant emissions. Stated another way, the goal is to identify supermarket refrigeration and HVAC technology options that reduce the total equivalent warming impact (TEWI) of supermarkets by reducing both system energy use (increasing efficiency) and reducing total refrigerant charge. The Annex has five participating countries: Canada, Denmark, Sweden, the United Kingdom, and the United States. The working program of the Annex has involved analytical and experimental investigation of several candidate system design approaches to determine their potential to reduce refrigerant usage and energy consumption. Advanced refrigeration system types investigated include the following: distributed compressor systems--small parallel compressor racks are located in close proximity to the food display cases they serve thus significantly shortening the connecting refrigerant line lengths; secondary loop systems--one or more central chillers are used to refrigerate a secondary coolant (e.g. brine, ice slurry, or CO2) that is pumped to the food display cases on the sales floor; self-contained display cases--each food display case

  14. Nuclear energy in a low carbon future: updating the IEA/NEA nuclear technology road-map

    International Nuclear Information System (INIS)

    Paillere, H.; Cameron, R.; ); Tam, C.; )

    2014-01-01

    The Nuclear Technology road-map is one of 20 technology road-maps which the International Energy Agency (IEA) has published. The 2010 road-map, produced jointly by the IEA and the OECD Nuclear Energy Agency (NEA), came out in a year which saw 16 new construction starts, a number that had not been reached since 1985. The IEA's Energy Technology Perspectives (ETP) 'Blue Map' scenario, also published in 2010, projected at that time that the installed world nuclear capacity would need to reach 1200 GW (gross) by 2050 as part of a global effort to de-carbonise the electricity sector assuming least cost optimisation. The 'nuclear renaissance' then stalled for a number of reasons which include the consequences of the accident at the Fukushima Daiichi nuclear power plant in March 2011 on public acceptance and energy policies. The economic crisis that was already looming in 2010, as well as delays and cost overruns in the first Generation III new build projects in Europe also played a role in the significant drop in new projects. Finally, the US shale gas revolution and the potential role that unconventional oil and gas could play have also changed the prospects for nuclear development in many countries. Four years after the publication of the first road-map, the IEA and the NEA are updating the nuclear energy road-map, taking into account the recent challenges facing the development of this technology. The presentation of this paper will explain the process followed to update the road-map, through stakeholder engagement workshops that took place between January and April 2014. It will most importantly provide some insight into its contents and preliminary milestones and recommendations. The draft of the road-map will be peer-reviewed over the summer and will be published at the end of 2014. The vision developed in the road-map still relates to the contribution that nuclear energy can make to the de-carbonisation of the power system, described in

  15. International conference on Information Engineering and Applications (IEA) 2012

    CERN Document Server

    2013-01-01

    Information engineering and applications is the field of study concerned with constructing information computing, intelligent systems, mathematical models, numerical solution techniques, and using computers and other electronic devices to analyze and solve natural scientific, social scientific and engineering problems.   Information engineering is an important underpinning for techniques used in information and computational science and there are many unresolved problems worth studying. The Proceedings of the 2nd International Conference on Information Engineering and Applications (IEA 2012), which was held in Chongqing, China, from October 26-28, 2012, discusses the most innovative research and developments including technical challenges and social, legal, political, and economic issues.   A forum for engineers and scientists in academia, industry, and government, the Proceedings of the 2nd International Conference on Information Engineering and Applications presents ideas, results, works in progress, and ...

  16. IEA Bioenergy task 40. Country report for the Netherlands 2007

    International Nuclear Information System (INIS)

    Sikkema, R.; Junginger, M.; Faaij, A.

    2007-12-01

    Short-term objectives of the IEA Bioenergy Task 40 'Sustainable International Bio-energy Trade: Securing Supply and Demand' are amongst other objectives to present an overview of development of biomass markets in various parts of the world and to identify existing barriers hampering development of a (global) commodity market (e.g. policy framework, ecology, economics). As in most countries biomass is a relatively new (though quickly growing) commodity, relatively little information is available on e.g. the traded volumes and prices of various biomass streams, policies and regulations on biomass use and trade, and existing and perceived barriers. This country report aims to provide an overview of these issues for the Netherlands and is an extended update of previous reports (2005 and 2006)

  17. Electro-optically responsive composites of gold nanospheres in 5CB liquid crystal under direct current and alternating current joint action

    International Nuclear Information System (INIS)

    Hadjichristov, Georgi B.; Marinov, Yordan G.; Petrov, Alexander G.; Bruno, Emanuela; Marino, Lucia; Scaramuzza, Nicola

    2014-01-01

    Direct current (DC) electro-optical (EO) control of transmitted laser beam intensity based on EO controlled coherent light scattering and diffraction by stationary longitudinal texture pattern (LTP) is achieved in planar-oriented cells with a composite mixture of polymer-coated gold spherical nanoparticles (Au-NPs) with a mean diameter of about 12 nm and the room-temperature nematic pentylcyanobiphenyl (5CB). At relatively low DC voltage of about 5 V, the effective scattering/diffraction by Au-NPs/5CB composites leads to a spatial spreading of transmitted coherent light from a low-power continuous wave laser beam, resulting in a drastic reduction of its local intensity. The effect is polarization dependent and is strongest when the polarization of the input laser beam is along the LTP. The EO response of Au-NPs/5CB mixtures is studied under DC and alternating current (AC) joint action with the aim of the potential use of these composite materials as EO controlled diffusers. The specific V-shaped sharp dip in the DC voltage-dependent coherent light transmittance of Au-NPs/5CB planar films, as well as the possibility for erasing the scattering/diffractive LTP in the films by joint low AC voltage, can be useful for EO applications in the field of process control and for detection of weak dynamic electric fields

  18. Electro-optically responsive composites of gold nanospheres in 5CB liquid crystal under direct current and alternating current joint action

    Energy Technology Data Exchange (ETDEWEB)

    Hadjichristov, Georgi B.; Marinov, Yordan G.; Petrov, Alexander G. [Institute of Solid State Physics, Bulgarian Academy of Sciences, Sofia 1784 (Bulgaria); Bruno, Emanuela [Dipartimento di Fisica, Università della Calabria, Via Pietro Bucci, Cubo 31C, 87036 Rende (CS) (Italy); Marino, Lucia, E-mail: lucia.marino@fis.unical.it [CNR-IPCF UoS di Cosenza, Licryl Laboratory, and Centro di Eccellenza CEMIF.CAL, Università della Calabria, 87036 Rende (CS) (Italy); Scaramuzza, Nicola [Dipartimento di Fisica, Università della Calabria, Via Pietro Bucci, Cubo 31C, 87036 Rende (CS) (Italy); CNR-IPCF UoS di Cosenza, Licryl Laboratory, and Centro di Eccellenza CEMIF.CAL, Università della Calabria, 87036 Rende (CS) (Italy)

    2014-02-28

    Direct current (DC) electro-optical (EO) control of transmitted laser beam intensity based on EO controlled coherent light scattering and diffraction by stationary longitudinal texture pattern (LTP) is achieved in planar-oriented cells with a composite mixture of polymer-coated gold spherical nanoparticles (Au-NPs) with a mean diameter of about 12 nm and the room-temperature nematic pentylcyanobiphenyl (5CB). At relatively low DC voltage of about 5 V, the effective scattering/diffraction by Au-NPs/5CB composites leads to a spatial spreading of transmitted coherent light from a low-power continuous wave laser beam, resulting in a drastic reduction of its local intensity. The effect is polarization dependent and is strongest when the polarization of the input laser beam is along the LTP. The EO response of Au-NPs/5CB mixtures is studied under DC and alternating current (AC) joint action with the aim of the potential use of these composite materials as EO controlled diffusers. The specific V-shaped sharp dip in the DC voltage-dependent coherent light transmittance of Au-NPs/5CB planar films, as well as the possibility for erasing the scattering/diffractive LTP in the films by joint low AC voltage, can be useful for EO applications in the field of process control and for detection of weak dynamic electric fields.

  19. Final Programme and Abstracts. COST Action CM0603 Free Radicals in Chemical Biology (CHEMBIORADICAL) Joint Working Group

    International Nuclear Information System (INIS)

    2008-01-01

    The main objective of the Action is to promote a chemical biology approach for the investigation of free radical pathways. Chemical reactivity and molecular libraries are the start of a multidisciplinary research context 'from small molecules to large systems', culminating in the biological complexity. The Action aims at improving communication and exchange among neighbouring scientific fields, such as chemistry with several domains of life sciences, specifically addressing the real barrier consisting of specialist language and tools. Four working groups address the formation, reactivity and fate of free radicals involving bio-molecules, such as unsaturated lipids, aromatic-, cyclic- and sulphur-containing amino acid residues, sugar and base moieties of nucleic acids. Tasks concern the role of free radicals in normal cell metabolism and in damages, defining structural and functional modifications, in the framework of physiologically and pathologically related processes relevant to human quality of life and health. In the programme are involved 19 universities and research institutions from nearly all European countries. The research programme of the group has been carried and is still continued based on close bilateral collaboration with many foreign laboratories from Europe, USA (Notre Dame Radiation Laboratory) and Chile

  20. Proceedings of IEA combustion 2009 : IEA 31. task leaders meeting on energy conservation and emissions reduction in combustion

    International Nuclear Information System (INIS)

    2009-01-01

    The International Energy Agency (IEA) supports research and development in energy technology. This meeting provided a forum to discuss combustion processes, which is fundamental to achieving further improvements in fuel use efficiency, reducing the production of pollutants such as nitrogen oxides, and facilitating the transition to alternative fuels. The presentations demonstrated recent studies in improving the efficiency and fuel flexibility of automotive engines; improving the performance of industrial furnaces; emissions formation and control mechanisms; and fuel injection and fuel/air mixing. The conference also highlighted studies involving hydrogen combustion, alternative fuels, particulate diagnostics, fuel sprays, gas turbines, and advanced combustion processes such as homogeneous charge compression ignition (HCCI). The sessions were entitled: HCCI fuels; sprays; nanoparticle diagnostics; alternative fuels; hydrogen internal combustion engines; turbines; energy security; and collaborative task planning. All 45 presentations from the conference have been catalogued separately for inclusion in this database. refs., tabs., figs.

  1. Technology penetration and capital stock turnover. Lessons from IEA scenario analysis

    Energy Technology Data Exchange (ETDEWEB)

    Philibert, C. [International Energy Agency IEA, Organisation for Economic Co-operation and Development OECD, Paris (France)

    2007-05-15

    The aim of this paper is to reflect on the significant differences between the emissions reductions projections in mid-term and long-term scenarios, and to explore their policy implications. It draws mainly on two recent IEA publications: the 2006 World Energy Outlook (WEO), which contains energy and energy-related CO2 projections up to 2030, and the 2006-published Energy Technology Perspectives (ETP), which considers scenarios and strategies up to 2050. The analysis focuses on a comparison of the Alternative Policy Scenario of the 2006 WEO, and the various Accelerated Technology (ACT) Scenarios in the ETP. The next section provides the necessary background on these two publications and their energy-related CO2 emissions by 2030 and 2050, respectively. The third section investigates in some more depth the reasons for the large differences in the amount of emission reductions at these dates. Capital stock turnover and technology maturation lead times, in particular, are identified as primary reasons for the differences. The fourth section suggests several possible policy conclusions that can be drawn from this analysis. They include thought pieces with respect to the action required in the short-term; to the necessity of long-term signals; to the advantages and limitations of short-term targets; and to the opportunities and challenges the international community faces with respect to emission reductions in developing countries.

  2. Measurement of β/Λ ratio in IEA-R1 reactor using noise technique

    International Nuclear Information System (INIS)

    Moreira, J.M.L.; Kassar, E.

    1986-01-01

    The ratio β/Λ for the IEA-R1 reactor is obtained experimentally through the noise analysis technique. This technique is based on the determination of the power spectral density of the reactor neutron population, with the reactor in a subcritical state driven by a 'white' neutron source. A ratio β/Λ of 43,5 s -1 is estimated from the break frequency of the measured transfer function of the IEA-R1 reactor. (Author) [pt

  3. IEA Wind Task 24 Integration of Wind and Hydropower Systems; Volume 2: Participant Case Studies

    Energy Technology Data Exchange (ETDEWEB)

    Acker, T.

    2011-12-01

    This report describes the background, concepts, issues and conclusions related to the feasibility of integrating wind and hydropower, as investigated by the members of IEA Wind Task 24. It is the result of a four-year effort involving seven IEA member countries and thirteen participating organizations. The companion report, Volume 2, describes in detail the study methodologies and participant case studies, and exists as a reference for this report.

  4. Irradiation experience of IPEN fuel at IEA-R1 research reactor

    International Nuclear Information System (INIS)

    Perrotta, Jose A.; Neto, Adolfo; Durazzo, Michelangelo; Souza, Jose A.B. de; Frajndlich, Roberto

    1998-01-01

    IPEN/CNEN-SP produces, for its IEA-R1 Research Reactor, MTR fuel assemblies based on U 3 O 8 -Al dispersion fuel type. Since 1985 a qualification program on these fuel assemblies has been performed. Average 235 U burnup of 30% and peak burnup of 50% was already achieved by these fuel assemblies. This paper presents some results acquire, by these fuel assemblies, under irradiation at IEA-R1 Research Reactor. (author)

  5. IEA Bioenergy Countries' Report: Bioenergy policies and status of implementation

    Energy Technology Data Exchange (ETDEWEB)

    Bacovsky, Dina [Bioenergy 2020+ GmbH, Graz (Austria); Ludwiczek, Nikolaus [Bioenergy 2020+ GmbH, Graz (Austria); Pointner, Christian [Bioenergy 2020+ GmbH, Graz (Austria); Verma, Vijay Kumar [Bioenergy 2020+ GmbH, Graz (Austria)

    2016-08-05

    This report was prepared from IEA statistical data, information from IRENA, and IEA Bioenergy Tasks’ country reports, combined with data provided by the IEA Bioenergy Executive Committee. All individual country reports were reviewed by the national delegates to the IEA Bioenergy Executive Committee, who have approved the content. In the first section of each country report, national renewable energy targets are presented (first table in each country report), and the main pieces of national legislation are discussed. In the second section of each country report the total primary energy supply (TPES) by resources and the contribution of bioenergy are presented. All data is taken from IEA statistics for the year 2014. Where 2014 data was not available, 2013 data was used. It is worth noting that data reported in national statistics can differ from the IEA data presented, as the reporting categories and definitions are different. In the third section of each country report, the research focus related to bioenergy is discussed. Relevant funding programs, major research institutes and projects are described. In the fourth section, recent major bioenergy developments are described. Finally, in the fifth section, links to sources of information are provided.

  6. Managing Joint Production Motivation

    DEFF Research Database (Denmark)

    Lindenberg, Siegwart; Foss, Nicolai Juul

    2011-01-01

    We contribute to the microfoundations of organizational performance by proffering the construct of joint production motivation. Under such motivational conditions individuals see themselves as part of a joint endeavor, each with his or her own roles and responsibilities; generate shared...... representations of actions and tasks; cognitively coordinate cooperation; and choose their own behaviors in terms of joint goals. Using goal-framing theory, we explain how motivation for joint production can be managed by cognitive/symbolic management and organizational design....

  7. Joint Intentionality

    Directory of Open Access Journals (Sweden)

    Koreň Ladislav

    2016-03-01

    Full Text Available According to the shared intentionality hypothesis proposed by Michael Tomasello, two cognitive upgrades – joint and collective intentionality, respectively – make human thinking unique. Joint intentionality, in particular, is a mindset supposed to account for our early, species-specific capacity to participate in collaborative activities involving two (or a few agents. In order to elucidate such activities and their proximate cognitive-motivational mechanism, Tomasello draws on philosophical accounts of shared intentionality. I argue that his deference to such cognitively demanding accounts of shared intentional activities is problematic if his theoretical ambition is in part to show that and how early (prelinguistic and precultural capacities for joint action contribute to the development of higher cognitive capacities.

  8. IEA Bioenergy Task 42 - Countries report. IEA Bioenergy Task 42 on biorefineries: Co-production of fuels, chemicals, power and materials from biomass. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Cherubini, F.; Jungmeier, G.; Mandl, M. (Joanneum Research, Graz (Austria)) (and others)

    2010-07-01

    This report has been developed by the members of IEA Bioenergy Task 42 on Biorefinery: Co-production of Fuels, Chemicals, Power and Materials from Biomass (www.biorefinery.nl/ieabioenergy-task42). IEA Bioenergy is a collaborative network under the auspices of the International Energy Agency (IEA) to improve international cooperation and information exchange between national bioenergy RD and D programs. IEA Bioenergy Task 42 on Biorefinery covers a new and very broad biomass-related field, with a very large application potential, and deals with a variety of market sectors with many interested stakeholders, a large number of biomass conversion technologies, and integrated concepts of both biochemical and thermochemical processes. This report contains an overview of the biomass, bioenergy and biorefinery situation, and activities, in the Task 42 member countries: Austria, Canada, Denmark, France, Germany, Ireland, and the Netherlands. The overview includes: national bioenergy production, non-energetic biomass use, bioenergy related policy goals, national oil refineries, biofuels capacity for transport purposes, existing biorefinery industries, pilot and demo plants, and other activities of research and development (such as main national projects and stakeholders). Data are provided by National Task Leaders (NTLs), whose contact details are listed at the end of the report. (author)

  9. Energy policies of IEA countries: Turkey 1997 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-12-31

    This IEA report provides a comprehensive in-depth assessment of the energy policies of Turkey, including recommendations on future policy developments. The report highlights the rapid increase in Turkey`s energy consumption and the large investments needed to meet the demand growth. Turkey has sought to attract private inward investment in the energy sector, in particular in electricity, through build-own-operate and build-operate-transfer schemes and transfers of operating rights. Turkey needs to set up a stable legal framework to continue this policy. It needs to push forward with market reforms, as well as to create a level playing field for competition, with energy prices reflecting the true costs of various fuels. Natural gas consumption is also expected to continue to increase. The new regulatory framework should be designed to encourage more rapid increase in the use of gas and more corresponding investments. Turkey is situated near the Caspian Sea, where natural gas and oil production are expected to increase substantially. The report describes projects for oil and natural gas pipelines. 33 figs., 31 tabs., 4 apps.

  10. Neutron radiography in the IEA-R1 reactor

    International Nuclear Information System (INIS)

    Pugliesi, R.; Moraes, A.P.V. de; Yamazaki, I.M.; Freitas Acosta, C. de.

    1988-08-01

    Neutronradiography of several materials have been obtained at the IEA-R1 Nuclear Research Reactor (IPEN-CNEN/SP), by means of two conversion techniques: a) (n, α) at the beam-hole n 0 3 where a collimated thermal neutron beam, exposure area 4 cm x 8cm and flux at the sample 10 5 n/s cm 2 is obtained. The film used was the CN-85 cellulose nitrate coated with lithium tetraborate (conversor). The time irradiation of the film was 15 minutes and in following was eteched during 30 minutes in a NaOH(10%) aqueous solution at a constant temperature of 60 0 C.; b) (n,γ) by using an experimental arrangement installed in the botton of the pool of the reactor. The flux of the collimated neutron beam is 10 5 n/s/cm 2 at the sample and the conversion is made by means of a dysprozium sheet. The film used was Kodak T-5. The irradiation and the transfering time was 2 hours and 20 hours respectively. (author) [pt

  11. IEA Bioenergy task 40. Country report for the Netherlands

    International Nuclear Information System (INIS)

    Junginger, M.; Faaij, A.

    2005-07-01

    Two of the short-term objectives of the IEA Bioenergy Task 40 are to present an overview of development of biomass markets in various parts of the world and to identify existing barriers hampering development of a (global) commodity market (e.g. policy framework, ecology, economics). As in most countries biomass is a relatively new (though quickly growing) commodity, relatively little information is available on e.g. the traded volumes and prices of various biomass streams, policies and regulations on biomass use and trade, and existing and perceived barriers. This country report aims to provide an overview of these issues for the Netherlands, and also sets the first step to make an inventory of barriers as perceived by various Dutch stakeholders. The report organizes as follows. Section 2 and 3 presents a brief overview of the policy setting on renewable energy and bio-energy in the Netherlands and the policy instruments deployed to stimulate renewable energy market penetration. In section 4, the achievements, the current status and the short-term expectations for the use of biomass energy in the Netherlands are described. Next, in section 5, the biomass market and biomass trade in the Netherlands are discussed, including the major biomass streams involved, conversion technologies, import and export volumes, biomass prices, barriers for further import and biomass certification efforts. Section 6 concludes with a general discussion and conclusions.

  12. Energy policies of IEA countries: Denmark 2006 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-12-18

    Denmark has had a very pro-active energy policy in both energy efficiency and renewable energy while at the same time opening its gas and power markets to competition. The share of renewable energy has increased dramatically, going from 3% of all electricity generation in 1990 to 25% in 2004. At the same time, the government's renewable support policies up to the early 2000s came with a high cost for consumers and taxpayers. However, the current government is very attentive to cost-effectiveness and inclined to market-based approaches. Greater use of cost-benefit analysis, including for offshore wind plants, is crucial in shaping future policies. The review indicates that energy efficiency programmes have historically been more cost-effective than renewable energy programmes in lowering emissions and enhancing energy security. Denmark's energy intensity is 35% below the IEA average, due in substantial part to the government's efforts to improve efficiency. This policy provides an excellent example for other countries, although the review notes that more should be done for transport efficiency.

  13. Energy policies of IEA Countries. The Netherlands 1996 review

    International Nuclear Information System (INIS)

    1996-01-01

    As part of the IEA's on-going analysis of Member countries' energy policies, this review assess the Netherlands and offers recommendations taking account of major reforms announced by the Dutch Government in December 1995. The prominence of environmental objectives in Dutch energy policy and the widespread use of voluntary long-term agreements with industry provide constructive lessons for other countries. Targets for energy efficiency and renewability are especially ambitious. Moreover, the Dutch Government has made an important contribution to environmental policy by striving for a combination of market liberalization and a sustainable energy economy. The review recommends that market reforms be further developed, if necessary in the context of developments in European energy market policy. Gas pricing and a tendency for over-capacity to develop in the electricity sector are particular areas of discussion in the report. The review also draws attention to potentially high economic costs which may arise form energy-environment policies and affect the competitiveness of Dutch industry. (author). 18 figs., 13 tabs

  14. Energy Policies of IEA Countries: Slovak Republic 2005 Review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    Slovakia has implemented impressive energy reforms over the recent past, a unique performance in Central and Eastern Europe. The 2000 energy policy prioritised market reforms and sectoral policies, notably on energy security and environment, in order to comply with EU requirements, which were largely met at the time of the country’s EU accession in 2004. Also, Slovakia established new regulations, notably cost reflective pricing enforced by an independent energy regulator, thereby attracting significant foreign direct investment. Notably, this rapid transition has occurred without disruption in this key energy transit country. New challenges ahead include strengthening energy security by diversification, opening energy markets and integrating them into the EU, strongly increasing energy efficiency to offset the high economic burden of energy prices and to help better controlling pollution and CO2 emissions in line with EU and international obligations. This review analyses the Slovak energy sector and policies, and provides recommendations for the government. It is a comprehensive assessment of what constitutes a remarkable case study of effective energy reforms in an economy in transition, which has applied for IEA membership.

  15. IEA Wind Task 26: Offshore Wind Farm Baseline Documentation

    Energy Technology Data Exchange (ETDEWEB)

    Smart, Gavin [Offshore Renewable Energy Catapult, Blyth, Northumberland (United Kingdom); Smith, Aaron [National Renewable Energy Lab. (NREL), Golden, CO (United States); Warner, Ethan [National Renewable Energy Lab. (NREL), Golden, CO (United States); Sperstad, Iver Bakken [SINTEF Energy Research, Trondheim (Norway); Prinsen, Bob [Ecofys, Utrecht (Netherlands). TKI Wind Op Zee; Lacal-Arantegui, Roberto [European Commission Joint Research Centre (JRC), Brussels (Belgium)

    2016-06-02

    This document has been produced to provide the definition and rationale for the Baseline Offshore Wind Farm established within IEA Wind Task 26--Cost of Wind Energy. The Baseline has been developed to provide a common starting point for country comparisons and sensitivity analysis on key offshore wind cost and value drivers. The baseline project reflects an approximate average of the characteristics of projects installed between 2012 and 2014, with the project life assumed to be 20 years. The baseline wind farm is located 40 kilometres (km) from construction and operations and maintenance (O&M) ports and from export cable landfall. The wind farm consists of 100 4-megawatt (MW) wind turbines mounted on monopile foundations in an average water depth of 25 metres (m), connected by 33-kilovolt (kV) inter-array cables. The arrays are connected to a single offshore substation (33kV/220kV) mounted on a jacket foundation, with the substation connected via a single 220kV export cable to an onshore substation, 10km from landfall. The wind farm employs a port-based O&M strategy using crew-transfer vessels.

  16. Chemical Compositions of Ligusticum chuanxiong Oil and Lemongrass Oil and Their Joint Action against Aphis citricola Van Der Goot (Hemiptera: Aphididae).

    Science.gov (United States)

    Zhang, Chao; Liu, Runqiang; He, Jun; Ma, Zhiqing; Zhang, Xing

    2016-10-12

    In order to develop novel botanical insecticides, the joint action of Ligusticum chuanxiong oil (LCO) and lemongrass oil (LO) against Aphis citricola van der Goot was determined systematically indoors and outdoors. The chemical profiles of LCO and LO as determined by gas chromatography-mass spectrometry (GC-MS) analysis revealed that the main compounds from LCO were ( Z )-ligustilide (44.58%) and senkyunolide A (26.92%), and that of LO were geranial (42.16%) and neral (32.58%), respectively. The mixture of LCO and LO showed significant synergy against A. citricola , with a common-toxicity coefficient (CTC) value of 221.46 at the optimal ratio of LCO to LO (4:1, w : w ). Based on the results of solvents and emulsifiers screening, L. chuanxiong oil·Lemongrass oil 20% emulsifiable concentrate (20% LCO·LO EC) was developed, and its stability was confirmed with tests of cold and thermal storage. Field trials indicated that the insecticidal activity of the diluted 20% LCO·LO EC (1000 fold dilution) was comparable to conventional pesticide (20% imidacloprid EC) on A. citricola seven days after application. Thus, the mixture of LCO and LO has the potential to be further developed as a botanical pesticide.

  17. Multimorbidity care model: Recommendations from the consensus meeting of the Joint Action on Chronic Diseases and Promoting Healthy Ageing across the Life Cycle (JA-CHRODIS).

    Science.gov (United States)

    Palmer, Katie; Marengoni, Alessandra; Forjaz, Maria João; Jureviciene, Elena; Laatikainen, Tiina; Mammarella, Federica; Muth, Christiane; Navickas, Rokas; Prados-Torres, Alexandra; Rijken, Mieke; Rothe, Ulrike; Souchet, Laurène; Valderas, Jose; Vontetsianos, Theodore; Zaletel, Jelka; Onder, Graziano

    2018-01-01

    Patients with multimorbidity have complex health needs but, due to the current traditional disease-oriented approach, they face a highly fragmented form of care that leads to inefficient, ineffective, and possibly harmful clinical interventions. There is limited evidence on available integrated and multidimensional care pathways for multimorbid patients. An expert consensus meeting was held to develop a framework for care of multimorbid patients that can be applied across Europe, within a project funded by the European Union; the Joint Action on Chronic Diseases and Promoting Healthy Ageing across the Life Cycle (JA-CHRODIS). The experts included a diverse group representing care providers and patients, and included general practitioners, family medicine physicians, neurologists, geriatricians, internists, cardiologists, endocrinologists, diabetologists, epidemiologists, psychologists, and representatives from patient organizations. Sixteen components across five domains were identified (Delivery of Care; Decision Support; Self Management Support; Information Systems and Technology; and Social and Community Resources). The description and aim of each component are described in these guidelines, along with a summary of key characteristics and relevance to multimorbid patients. Due to the lack of evidence-based recommendations specific to multimorbid patients, this care model needs to be assessed and validated in different European settings to examine specifically how multimorbid patients will benefit from this care model, and whether certain components have more importance than others. Copyright © 2017 Elsevier B.V. All rights reserved.

  18. Chemical Compositions of Ligusticum chuanxiong Oil and Lemongrass Oil and Their Joint Action against Aphis citricola Van Der Goot (Hemiptera: Aphididae

    Directory of Open Access Journals (Sweden)

    Chao Zhang

    2016-10-01

    Full Text Available In order to develop novel botanical insecticides, the joint action of Ligusticum chuanxiong oil (LCO and lemongrass oil (LO against Aphis citricola van der Goot was determined systematically indoors and outdoors. The chemical profiles of LCO and LO as determined by gas chromatography–mass spectrometry (GC-MS analysis revealed that the main compounds from LCO were (Z-ligustilide (44.58% and senkyunolide A (26.92%, and that of LO were geranial (42.16% and neral (32.58%, respectively. The mixture of LCO and LO showed significant synergy against A. citricola, with a common-toxicity coefficient (CTC value of 221.46 at the optimal ratio of LCO to LO (4:1, w:w. Based on the results of solvents and emulsifiers screening, L. chuanxiong oil·Lemongrass oil 20% emulsifiable concentrate (20% LCO·LO EC was developed, and its stability was confirmed with tests of cold and thermal storage. Field trials indicated that the insecticidal activity of the diluted 20% LCO·LO EC (1000 fold dilution was comparable to conventional pesticide (20% imidacloprid EC on A. citricola seven days after application. Thus, the mixture of LCO and LO has the potential to be further developed as a botanical pesticide.

  19. Characterization of filters cartridges from the water polishing system of IEA-R1 reactor: radiometric methods

    International Nuclear Information System (INIS)

    Tessaro, Ana Paula G.; Vicente, Roberto

    2015-01-01

    The acceptance of radioactive waste in a repository depends primarily on knowledge of the radioisotopic inventory of the material, according to regulations established by regulatory agencies. The primary characterization is also a fundamental action to determine further steps in the management of the radioactive wastes. The aim of this work is to report the development of non-destructive methods for primary characterization of filters cartridges discarded as radioactive waste. The filters cartridges are used in the water polishing system of the IEA-R1 reactor retaining the particles in suspension in the reactor cooling water. The IEA-R1 is a pool type reactor with a thermal power of 5 MW, moderated and cooled with light water. It is located in the Energy and Nuclear Research Institute (IPEN-CNEN), in São Paulo, Brazil. The cartridge filters become radioactive waste when they are saturated and do not meet the required flow for the proper operation of the water polishing system. The activities of gamma emitters present in the filters are determined using gamma spectrometry, dose rate measurements and the Point Kernel Method to correlate results from both measurements. For the primary characterization, one alternative method is the radiochemical analysis of slices taken from each filter, what presents the disadvantage of higher exposures personnel and contamination risks. Another alternative method is the calibration of the measurement geometry of a gamma spectrometer, which requires the production of a standard filter. Both methods are necessary but can not be used in operational routine of radioactive waste management owing to cost and complexity. The method described can be used to determine routinely the radioactive inventory of these filters and other radioactive wastes, avoiding the necessity of destructive radiochemical analysis, or the necessity of calibrating the geometry of measurement. (author)

  20. The history of the IEA. Volume four. Supplement to volumes 1, 2 et 3

    International Nuclear Information System (INIS)

    2004-01-01

    Published in 1994, The History of the International Energy Agency: The First Twenty Years, the comprehensive story of the IEA's decisions since its founding in 1974, has been an invaluable resource to the Agency's Member country governments, to the IEA Secretariat, and to all those who are interested in international, inter-governmental organisations. The author was Richard Scott, a former IEA Legal Counsel. Now, his successor Craig S. Bamberger, has extended The History through most of the Agency's third decade, up to the end of 2003. In this Supplement to Mr. Scott's History, Mr. Bamberger has remained faithful to the structure of the original work, enabling the reader to move easily between time periods when researching a particular subject. Continuity and change are both in evidence. The IEA's basic institutional arrangements remain essentially as Mr. Scott described them in Volume I of The History, but the Supplement's extensive treatment of budget and programme of work issues reflects significant changes in Agency practice, during a period when governments were engrossed in the management and financing of international organisations generally. In the policy realm, the Supplement recounts numerous new initiatives that the IEA has launched, while remaining true to its focus on the 'three E' policy goals: Energy Security, Environmental Protection and Economic Growth

  1. Partner Country Series: Gas Pricing - China's Challenges and IEA Experience

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-07-01

    China will play a positive role in the global development of gas, the International Energy Agency’s (IEA) Executive Director, Maria Van der Hoeven has said in Beijing on 11 September, 2012 when launching a new IEA report: Gas Pricing and Regulation, China’s challenges and IEA experiences. In line with its aim to meet growing energy demand while shifting away from coal, China has set an ambitious goal of doubling its use of natural gas from 2011 levels by 2015. Prospects are good for significant new supplies – both domestic and imported, conventional and unconventional – to come online in the medium-term, but notable challenges remain, particularly concerning gas pricing and the institutional and regulatory landscape. While China’s circumstances are, in many respects unique, some current issues are similar to those a number of IEA countries have faced. This report highlights some key challenges China faces in its transition to greater reliance on natural gas, then explores in detail relevant experiences from IEA countries, particularly in the United Kingdom, the Netherlands, and the United States as well as the European Union (EU). Preliminary suggestions about how lessons learned in other countries could be applied to China’s situation are offered as well. The aim of this report is to provide stakeholders in China with a useful reference as they consider decisions about the evolution of the gas sector in their country.

  2. Energy technologies at the cutting edge: international energy technology collaboration IEA Implementing Agreements

    Energy Technology Data Exchange (ETDEWEB)

    Pottinger, C. (ed.)

    2007-05-15

    Ensuring energy security and addressing climate change issues in a cost-effective way are the main challenges of energy policies and in the longer term will be solved only through technology cooperation. To encourage collaborative efforts to meet these energy challenges, the IEA created a legal contract - Implementing Agreement - and a system of standard rules and regulations. This allows interested member and non-member governments or other organisations to pool resources and to foster the research, development and deployment of particular technologies. For more than 30 years, this international technology collaboration has been a fundamental building block in facilitating progress of new or improved energy technologies. There are now 41 Implementing Agreements. This is the third in the series of publications highlighting the recent results and achievements of the IEA Implementing Agreements. This document is arranged in the following sections: Cross-cutting activities (sub-sectioned: Climate technology initiative; Energy Technology Data Eexchange; and Energy technology systems analysis programme); End-use technologies (sub-sectioned: Buildings; Electricity; Industry; and Transport; Fossil fuels (sub-sectioned: Clean Coal Centre; Enhanced oil recovery Fluidized bed conversion; Greenhouse Gas R & D; Multiphase flow sciences); Fusion power; Renewable energies and hydrogen; and For more information (including detail on the IEA energy technology network; IEA Secretariat Implementing Agreement support; and IEA framework. Addresses are given for the Implementing Agreements. The publication is based on core input from the Implementing Agreement Executive Committee.

  3. Study of human factors and its basic aspects, focusing the operators of IEA-R1 research reactor

    International Nuclear Information System (INIS)

    Martins, Maria da Penha Sanches; Andrade, Delvonei Alves de

    2008-01-01

    Human factors and situational variables, which ca, when modified, interfere in the actions of operators of nuclear installations is studied. This work is focused in the operators of the IEA-R1 research reactor, which is located in the Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Brazil. The accidents in Nuclear Plants have shown that the most serious have occurred due to human failure. This work also considers the item 5.5.3 of CNEN-NN-3.01 standard - 'Actions must be taken to reduce, as much as possible, the human failures that can lead to accidents or even other events which can originate inadvertent or unintentional expositions in any individual'. The model named 'Behavioral Analysis' is adopted. Relevant factors and aspects of the operators' routine are also considered. It is worth to remind that the performance depends on a series of variables, not only on the individual, but also situational, including in these categories; physical variables, work environment, organizational and the social ones. The subjective factors are also considered, such as: attitude, ability, motivation etc., aiming at a global perspective of the situation, which counts on a set of principles for the behaviour analysis and comprehension. After defining the applicability scenario, mechanisms and corrective actions to contribute with the reduction of failures will be proposed. (author)

  4. Study of human factors and its basic aspects, focusing the operators of IEA-R1 research reactor

    International Nuclear Information System (INIS)

    Martins, Maria da Penha Sanches; Andrade, Delvonei Alves de

    2007-01-01

    The objective of this work is the study of human factors and situational variables, which, when modified, can interfere in the work actions of the operators of nuclear installations. This work is focused on the operators of the IEA-R1 research reactor, which is located in the Instituto de Pesquisas Energeticas e Nucleares - IPEN - CNEN/SP. The accidents in Nuclear Plants have shown that the most serious have occurred due to human failure. This work also considers the item 5.5.3 of CNEN-NN-3.01 standard - 'Actions must be taken to reduce, as much as possible, the human failures that may lead to accidents or even other events which may originate inadvertent or unintentional expositions in any individual'. The model named - Behavioral Analysis - is adopted. Relevant factors and aspects of the operators' routine are also considered. It is worth to remind that the performance depends on a series of variables, not only on the individual, but also the situational ones, which include physical, work, environment, organizational and social variables. Subjective factors are also considered, such as: attitude, ability, motivation etc., aiming at a global perspective of the situation, which counts on a set of principles for the behavior analysis and comprehension. After defining the applicability scenario, mechanisms and corrective actions to contribute with the reduction of failures will be proposed. (author)

  5. Energy policies of IEA countries: United States - 2007 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-02-15

    The United States is the largest economy and energy user in the world. Significant developments have taken place in its energy policy since the last IEA review in 2002. Most important is the Energy Policy Act 2005 - a comprehensive energy legislation which has set new directions, including opening the way for a nuclear renaissance. Two closely connected challenges shape all debates on the nation's energy policy path: how to increase security by reducing the dependence on imported supplies; and how to address growing emissions of greenhouse gases. The United States national strategy is to find solutions largely through technology. It is a world leader in R&D and is driving development of carbon capture and storage and second-generation biofuels. But thus far, no federal government policy is in place to establish as a target an absolute reduction of CO2 emissions. The resulting uncertainty risks holding back investments into new technologies and may delay projects that are urgently required. The transport sector will be a key to a sustainable success. In the short to medium term, reduced fuel demand through higher vehicle efficiency will increase security and reduce CO2 emissions. Yet the policy for the revision of CAFE (the corporate average fuel economy) standards will leave consumers with vehicles that fall short of the technological possibilities. This review takes an in-depth look at these issues and provides recommendations on how the United States can do more to answer the challenges of both improving its security of energy supply and lowering its emissions intensity, demonstrating the significant improvements that can already be realised through existing technologies.

  6. Using the IEA ETSAP modelling tools for Denmark

    Energy Technology Data Exchange (ETDEWEB)

    Grohnheit, Poul Erik

    2008-12-15

    An important part of the cooperation within the IEA (International Energy Agency) is organised through national contributions to 'Implementation Agreements' on energy technology and energy analyses. One of them is ETSAP (Energy Technology Systems Analysis Programme), started in 1976. Denmark has signed the agreement and contributed to some early annexes. This project is motivated by an invitation to participate in ETSAP Annex X, 'Global Energy Systems and Common Analyses: Climate friendly, Secure and Productive Energy Systems' for the period 2005 to 2007. The main activity is semi-annual workshops focusing on presentations of model analyses and use of the ETSAP tools (the MARKAL/TIMES family of models). The project was also planned to benefit from the EU project 'NEEDS - New Energy Externalities Developments for Sustainability'. ETSAP is contributing to a part of NEEDS that develops the TIMES model for 29 European countries with assessment of future technologies. An additional project 'Monitoring and Evaluation of the RES directives: implementation in EU27 and policy recommendations for 2020' (RES2020) under Intelligent Energy Europe was added, as well as the Danish 'Centre for Energy, Environment and Health (CEEH), starting from January 2007. This report summarises the activities under ETSAP Annex X and related project, emphasising the development of modelling tools that will be useful for modelling the Danish energy system. It is also a status report for the development of a model for Denmark, focusing on the tools and features that allow comparison with other countries and, particularly, to evaluate assumptions and results in international models covering Denmark. (au)

  7. Energy policies of IEA countries: Finland - 2007 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-03-15

    Faced with considerable challenges related to its geography and size, Finland's sound energy policies do much to overcome its situation. The country leverages its small market where it can - such as by adopting or harmonising with EU directives and policies. To counter its relative isolation, Finland strengthened its position by becoming part of the larger Nordic electricity market and enhancing energy linkages. At the core, however, the country ensures energy security by relying on transparency and sound market signals to investors and customers, as well as by making good use of domestic sources of biomass and nuclear. As Finland continues to refine and enhance its energy policy, there are some areas that warrant special attention. As nearly all fossil fuels are imported and all natural gas comes through a single interconnection, the government should continue to explore ways to diversify import sources and routes. The new nuclear power plant currently being built - the first in a liberalised market - will help safeguard energy security, though the construction delays necessitate continued monitoring. Subsidies for peat, a fuel in abundance in Finland, should be reconsidered, as they do not enhance energy security. On the other hand, the government should continue to explore ways to expand new renewables, building on the current stock of biomass and hydro. This book takes an in-depth look at Finland's energy policy today and, through comparisons with good examples in other IEA countries, provides critiques and recommendations for improvements to guide the country towards a sustainable energy future. While the review provides comprehensive coverage of all topics, this thematic report highlights energy efficiency and energy R and D.

  8. Energy policies of IEA countries: the United Kingdom 2006 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    The United Kingdom is facing a critical moment in its energy policy: North Sea oil and gas production is declining, dependence on imported energy is increasing, while rising energy prices and climate change considerations pose further challenges. The second thematic review of the UK addresses these challenges, focusing on energy investment, energy efficiency, and the return of nuclear power to the political agenda. Almost all coal-fired and nuclear power capacity in the United Kingdom will be retired within the next 15 years. The review encourages the government to maintain its trust in the market mechanism for the delivery of required investment and security of supply. However, it also identifies the need for the government to play a more active role in setting the framework. On the demand side, the IEA considers the government's 'Energy Efficiency Commitment' (EEC) an impressive success. The EEC was introduced in 2002 and is an energy-saving programme under which suppliers must achieve efficiency targets in households. Challenges, such as the requirement that 50 per cent of savings come from low-income households, remain, and the review invites the government to investigate ways in which fuel poverty could be reduced without distorting the EEC. The review also assesses the government's shifting direction on nuclear energy and backs this new path. It argues that the development of a positive investment framework in planning and licensing - without direct intervention in investment decisions favouring nuclear - will allow investors to judge the viability of new plants. 3 apps.

  9. Energy policies of IEA countries: Austria - 2007 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-03-15

    Since the last review in 2002, Austrian energy policy has seen many positive developments. Today, Austria counts among the IEA member countries with the highest share of renewable energy supply, thus increasing energy security and reducing CO2 emissions. Great progress has also been made in the utilisation of biomass for heat and electricity production. Nevertheless, many challenges remain. The climate strategy revision in 2007 is commendably realistic, but uncertainty remains whether it will be sufficient, and whether renewables and energy efficiency are well-balanced within it. While Austria is strongly promoting an increase of renewables production by adopting challenging targets, it is less ambitious in the area of energy efficiency. To achieve the renewables target, their supply will have to double, leading to significant increases in costs. In energy efficiency, while Austria is leading in developing efficient building solutions, there are concerns about implementation, especially about the lack of ambition and divergence in building codes. Overall, energy intensity has increased in recent years, and the government will have to put a strong focus on reversing this development. Despite the early opening of the energy markets, effective competition has failed to emerge. This is partially due to systemic weaknesses such as dominant incumbents, lack of transparency in price formulation and a weak regulatory system with the potential for conflicts of interest. This review thoroughly analyses Austrian energy policy and identifies the key challenges that need to be addressed. With recommendations for improvements, it is an important guide for Austrian policy makers toward a safer and cleaner energy future.

  10. Energy policies of IEA countries: Finland - 2007 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-03-15

    Faced with considerable challenges related to its geography and size, Finland's sound energy policies do much to overcome its situation. The country leverages its small market where it can - such as by adopting or harmonising with EU directives and policies. To counter its relative isolation, Finland strengthened its position by becoming part of the larger Nordic electricity market and enhancing energy linkages. At the core, however, the country ensures energy security by relying on transparency and sound market signals to investors and customers, as well as by making good use of domestic sources of biomass and nuclear. As Finland continues to refine and enhance its energy policy, there are some areas that warrant special attention. As nearly all fossil fuels are imported and all natural gas comes through a single interconnection, the government should continue to explore ways to diversify import sources and routes. The new nuclear power plant currently being built - the first in a liberalised market - will help safeguard energy security, though the construction delays necessitate continued monitoring. Subsidies for peat, a fuel in abundance in Finland, should be reconsidered, as they do not enhance energy security. On the other hand, the government should continue to explore ways to expand new renewables, building on the current stock of biomass and hydro. This book takes an in-depth look at Finland's energy policy today and, through comparisons with good examples in other IEA countries, provides critiques and recommendations for improvements to guide the country towards a sustainable energy future. While the review provides comprehensive coverage of all topics, this thematic report highlights energy efficiency and energy R and D.

  11. Energy policies of IEA countries: United States - 2007 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-02-15

    The United States is the largest economy and energy user in the world. Significant developments have taken place in its energy policy since the last IEA review in 2002. Most important is the Energy Policy Act 2005 - a comprehensive energy legislation which has set new directions, including opening the way for a nuclear renaissance. Two closely connected challenges shape all debates on the nation's energy policy path: how to increase security by reducing the dependence on imported supplies; and how to address growing emissions of greenhouse gases. The United States national strategy is to find solutions largely through technology. It is a world leader in R&D and is driving development of carbon capture and storage and second-generation biofuels. But thus far, no federal government policy is in place to establish as a target an absolute reduction of CO2 emissions. The resulting uncertainty risks holding back investments into new technologies and may delay projects that are urgently required. The transport sector will be a key to a sustainable success. In the short to medium term, reduced fuel demand through higher vehicle efficiency will increase security and reduce CO2 emissions. Yet the policy for the revision of CAFE (the corporate average fuel economy) standards will leave consumers with vehicles that fall short of the technological possibilities. This review takes an in-depth look at these issues and provides recommendations on how the United States can do more to answer the challenges of both improving its security of energy supply and lowering its emissions intensity, demonstrating the significant improvements that can already be realised through existing technologies.

  12. Energy Policies of IEA Countries: Italy [Italian Version, Executive Summary

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-07-01

    This review analyses the energy challenges facing Italy and provides sectoral critiques and recommendations for further policy improvements. It is intended to help guide Italy towards a more sustainable energy future. The Italian government has made substantial progress in a number of sectors since the last IEA in-depth energy policy review in 2003. The success of the green certificate and white certificate schemes and continued reform of the electricity and natural gas supply markets are just a few examples and build on the recommendations contained in the previous review. Nonetheless, many challenges remain. Italy recognises the need to diversify its energy supply portfolio to reduce its heavy dependence on fossil fuels and electricity imports, and to decrease its growing greenhouse gas emissions. In 2008, the government announced its intention to recommence the countrys nuclear power program and start building a new nuclear power plant by 2013. To do so, Italy must first develop an efficient process for identifying critical energy infrastructure, including nuclear power, and subjecting it to an effective, streamlined siting and permitting process. Italy will face another major challenge in complying with Europe’s new climate and energy package, particularly in relation to renewable energy and emissions targets. Italy must step up efforts to comply with its new responsibilities, specifically by developing and putting in place a comprehensive climate change strategy for the years until 2020. In mid-2009, the legislature enacted a comprehensive new law that will facilitate the emergence of a robust long-term energy policy. The government must respond to this opportunity and elaborate, with industry, a comprehensive long-term strategy for the development of the energy sector. This review analyses the energy challenges facing Italy and provides sectoral critiques and recommendations for further policy improvements. It is intended to help guide Italy towards a more

  13. Information basis for developing comprehensive waste management system-US-Japan joint nuclear energy action plan waste management working group phase I report.

    Energy Technology Data Exchange (ETDEWEB)

    Nutt, M.; Nuclear Engineering Division

    2010-05-25

    The activity of Phase I of the Waste Management Working Group under the United States - Japan Joint Nuclear Energy Action Plan started in 2007. The US-Japan JNEAP is a bilateral collaborative framework to support the global implementation of safe, secure, and sustainable, nuclear fuel cycles (referred to in this document as fuel cycles). The Waste Management Working Group was established by strong interest of both parties, which arise from the recognition that development and optimization of waste management and disposal system(s) are central issues of the present and future nuclear fuel cycles. This report summarizes the activity of the Waste Management Working Group that focused on consolidation of the existing technical basis between the U.S. and Japan and the joint development of a plan for future collaborative activities. Firstly, the political/regulatory frameworks related to nuclear fuel cycles in both countries were reviewed. The various advanced fuel cycle scenarios that have been considered in both countries were then surveyed and summarized. The working group established the working reference scenario for the future cooperative activity that corresponds to a fuel cycle scenario being considered both in Japan and the U.S. This working scenario involves transitioning from a once-through fuel cycle utilizing light water reactors to a one-pass uranium-plutonium fuel recycle in light water reactors to a combination of light water reactors and fast reactors with plutonium, uranium, and minor actinide recycle, ultimately concluding with multiple recycle passes primarily using fast reactors. Considering the scenario, current and future expected waste streams, treatment and inventory were discussed, and the relevant information was summarized. Second, the waste management/disposal system optimization was discussed. Repository system concepts were reviewed, repository design concepts for the various classifications of nuclear waste were summarized, and the factors

  14. Improvements at the biological shielding of BNCT research facility in the IEA-R1 reactor

    International Nuclear Information System (INIS)

    Souza, Gregorio Soares de

    2011-01-01

    The technique of neutron capture in boron is a promising technique in cancer treatment, it uses the high LET particles from the reaction 10 B (n, α) 7 Li to destroy cancer cells.The development of this technique began in the mid-'50s and even today it is the object of study and research in various centers around the world, Brazil has built a facility that aims to conduct research in BNCT, this facility is located next to irradiation channel number three at the research nuclear reactor IEA-R1 and has a biological shielding designed to meet the radiation protection standards. This biological shielding was developed to allow them to conduct experiments with the reactor at maximum power, so it is not necessary to turn on and off the reactor to irradiate samples. However, when the channel is opened for experiments the background radiation in the experiments salon increases and this background variation makes it impossible to perform measurements in a neutron diffraction research that utilizes the irradiation channel number six. This study aims to further improve the shielding in order to minimize the variation of background making it possible to perform the research facility in BNCT without interfering with the action of the research group of the irradiation channel number six. To reach this purpose, the code MCNP5, dosimeters and activation detectors were used to plan improvements in the biological shielding. It was calculated with the help of the code an improvement that can reduce the average heat flow in 71.2% ± 13 and verified experimentally a mean reduce of 70 ± 9% in dose due to thermal neutrons. (author)

  15. IEA-R1 renewed primary coolant piping system stress analysis

    International Nuclear Information System (INIS)

    Fainer, Gerson; Faloppa, Altair A.; Oliveira, Carlos A. de; Mattar Neto, Miguel

    2015-01-01

    A partial replacement of the IEA-R1 piping system was conducted in 2014. The aim of this work is to perform the stress analysis of the renewed primary piping system of the IEA-R1, taking into account the as built conditions and the pipe modifications. The nuclear research reactor IEA-R1 is a pool type reactor designed by Babcox-Willcox, which is operated by IPEN since 1957. The primary coolant system is responsible for removing the residual heat of the Reactor core. As a part of the life management, a regular inspection detected some degradation in the primary piping system. In consequence, part of the piping system was replaced. The partial renewing of the primary piping system did not imply in major piping layout modifications. However, the stress condition of the piping systems had to be reanalyzed. The structural stress analysis of the primary piping systems is now presented and the final results are discussed. (author)

  16. IEA is concerned by the costs of the energy transition in Germany

    International Nuclear Information System (INIS)

    Anon.

    2013-01-01

    Last May the International Energy Agency (IEA) published an analysis of the energy transition in Germany. This analysis acknowledges the efforts made by Germany for a better energy efficiency and for the important development of renewable energies but also highlights 3 concerns. First, the cost for the energy transition is not fairly dispatched: electrical power is far more expensive for households than for enterprises. Secondly, according to the IEA, measures must be taken to restrain the growing costs of renewable energies and to foster investment to develop smart grids. Thirdly, the IEA misses the lack of coordination of Germany's energy policy with foreign countries' ones as German decisions have an impact beyond its frontiers. (A.C.)

  17. IEA-R1 reactor core simulation with RELAP5 code

    International Nuclear Information System (INIS)

    Rocha, Ricardo Takeshi Vieira da; Belchior Junior, Antonio; Andrade, Delvonei Alves de; Sabundjian, Gaiane; Umbehaum, Pedro Ernesto; Torres, Walmir Maximo

    2005-01-01

    This paper presents a preliminary RELAP5 model for the IEA-R1 core. The power distribution is supplied by the neutronic code, CITATION. The main objective is to model the IEA-R1 core and validate the model through the comparison of the results to the ones from COBRA and PARET, which were used in the Final Safety Analysis Report (FSAR) for this plant. Preliminary calculations regarding some simulations are presented. Boundary conditions are simulated through time dependent components. Results obtained are compared to those available for the IEA-R1. This study will be continued considering a model for the whole plant. Important transient and accidents will be analysed in order to verify the Emergency Core Cooling System - ECCS efficiency to hold its function as projected to preserve the integrity of the reactor core and guarantee its cooling. (author)

  18. Commissioning of the new heat exchanger for the research nuclear reactor IEA-R1

    Energy Technology Data Exchange (ETDEWEB)

    Castro, Alfredo Jose Alvim de; Cassiano, Douglas Alves; Umbehaun, Pedro Ernesto; Carvalho, Marcos Rodrigues de; Frajndlich, Roberto [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)]. E-mails: ajcastro@ipen.br; docass@gmail.com.br; umbehaun@ipen.br; carvalho@ipen.br; frajndli@ipen.br

    2008-07-01

    The Research Reactor IEA-R1 placed at IPEN/CNEN-SP is of the swimming pool type, light water moderated and with graphite reflectors, and was build and designed by Babcock and Wilcox Co. Start up operation was in September the 16{sup th}, 1957, being the first criticality for South Hemisphere. Although designed to operate at 5 MW, the IEA-R1 was operated until 2001 with 2 MW and was suitable for use in basic and applied research as well as the production of medical radioisotopes, industry and natural sciences applications. Due to a recent demand increase on radioisotopes in Brazil for medical diagnoses and therapies applications, IPEN /CNEN updated the IEA-R1 power to 5 MW and to work at continuous operation regime. Studies on the Ageing Management for the Research Reactor IEA-R1 were conducted according to IAEA procedures. As result of these studies critical components within the Ageing Management Program were identified. Also were made recommendations on the implementation of test scheduling and standardization procedures to organize data and documents. One of the main results was the need of monitoring the two heat exchangers, the two primary circuit pumps and the data acquisition system. During monitoring procedures, issues were observed on the IEA-R1 operation at 5 MW mainly due to the ageing of the Babcox and Wilcox TCA heat exchanger, and excessive vibrations at high flow rates on CBC's TCB heat exchanger. So, from 2005 on, it was decided to work with 3,5 MW and provide a new IESA heat exchanger with 5 MW capacity, to substitute the TCA heat exchanger. This work presents results on the commissioning of the new heat exchanger and compares against the values calculated in the IESA project. The results show that the IEA-R1 Reactor can be operated more safety and continuously at 5 MW with the new IESA heat exchanger. (author)

  19. IEA Agreement on the production and utilization of hydrogen: 1996 annual report

    Energy Technology Data Exchange (ETDEWEB)

    Elam, Carolyn C. (National Renewable Energy Lab, Golden, CO (US)) (ed.)

    1997-01-31

    The annual report includes an overview of the IEA Hydrogen Agreement, including a brief summary of hydrogen in general. The Chairman's report provides highlights for the year. Sections are included on hydrogen energy activities in the IEA Hydrogen Agreement member countries, including Canada, European Commission, Germany, Japan, Netherlands, Norway, Spain, Sweden, Switzerland, and the US. Lastly, Annex reports are given for the following tasks: Task 10, Photoproduction of Hydrogen, Task 11, Integrated Systems, and Task 12, Metal Hydrides and Carbon for Hydrogen Storage.

  20. Measured performance of 12 demonstation projects - IEA Task 13 "advanced solar low energy buildings"

    DEFF Research Database (Denmark)

    Thomsen, Kirsten Engelund; Schultz, Jørgen Munthe; Poel, Bart

    2005-01-01

    This paper presents the results obtained from measurements and experiences gained from interviews on 12 advanced solar low energy houses designed and built as part of the IEA Solar Heating and Cooling Programme – Task 13. Three years after the IEA Task 13 formally ended, the results were collected...... climate conditions are compared and differences explained. Special innovative installations and systems are de-scribed and evaluated. In general the measured energy consumption was higher than the expected values due to user influence and unforeseen technical problems but still an energy saving of 60...

  1. Calculation of neutronic parameters of IEA-R1 reactor and purpose of a new configuration

    International Nuclear Information System (INIS)

    Kosaka, N.; Fanaro, L.C.C.B.; Yamaguchi, M.

    1989-01-01

    The program for reducing the fuel enrichment of the IEA-R1 reactor considers fuel plates containing U308-AL with 19,9% of U-235. The geometry of the new 18 fuel plate fuel elements has been kept the same. This work describes the calculation methods utilized at IPEN-CNEN/SP and some neutronic parameters of the present configuration of IEA-R1 as well as for a new configuration porposed with a new LEU fuel element are shown. (author) [pt

  2. Soutien institutionnel à l'Institute for Economic Affairs - Ghana (IEA ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    L'Institute of Economic Affairs - Ghana (IEA-Ghana) a été fondé en 1989, vers la fin de la dictature militaire. Le pays n'ayant pas à l'époque de centre indépendant voué à l'étude des politiques, il y avait peu de dialogue sur les politiques publiques. L'IEA-Ghana a néanmoins réussi à créer un forum de discussion et à faire ...

  3. Energy policy of the International Energy Agency (IEA) countries. General review of the year 1990

    International Nuclear Information System (INIS)

    1992-01-01

    This book is a general review on energy policy leaded by Members countries of International Energy Agency (IEA) during the year 1990. This book describes also the trends and the recent events which have affected energy demand, energy conservation, energy efficiency, energy supply and energy source development. This annual review gives the IEA energy forecasting for the next years, till year 2001. A detailed study of energy policy in Federal Republic of Germany, Austria, Denmark, Greece, Ireland and Japan is given. The policy of fifteen another Members countries, which have been analyzed the previous years, is recapitulated and briefly brought up to date

  4. Calculation of the main neutron parameters of the IEA-R1 research reactor

    International Nuclear Information System (INIS)

    Ojima, Mario Katsuhiko

    1977-01-01

    The main neutron parameters of the research reactor IEA-R1 were calculated using computer programs to generate cross sections and criticality calculations. A calculation procedure based on the programs available in the Processing Center Data of IEA was established and centered in the HAMMER and CITATION system. A study was done in order to verify the validity and accuracy of the calculation method comparing the results with experimental data. Some operating parameters of the reactor, namely the distribution of neutron flux, the critical mass, the variation of the reactivity with the burning of fuel, and the dead time of the reactor were determined

  5. European network for Health Technology Assessment Joint Action (EUnetHTA JA): a process evaluation performed by questionnaires and documentary analysis.

    Science.gov (United States)

    Woodford Guegan, Eleanor; Cook, Andrew

    2014-06-01

    The European network for Health Technology Assessment Joint Action (EUnetHTA JA) project's overarching objective was to 'establish an effective and sustainable HTA [Health technology assessment] collaboration in Europe that brings added value at the regional, national and European level'. Specific objectives were to develop a strategy and business model for sustainable European collaboration on HTA, develop HTA tools and methods and promote good practice in HTA methods and processes. We describe activities performed on behalf of the National Institute for Health Research HTA programme; evaluating the project processes and developing a data set for a registry of planned clinical studies of relevance to public funders. Annual self-completion online questionnaires were sent to project participants and external stakeholders to identify their views about the project processes. Documentary review was undertaken at the project end on the final technical reports from the work packages to examine whether or not their deliverables had been achieved. The project's impact was assessed by whether or not the deliverables were produced, the objectives met and additional 'added value' generated. The project's effectiveness was evaluated by its processes, communication, administration, workings of individual work packages and involvement of external stakeholders. A two-stage Delphi exercise was undertaken to identify the data elements that should be included in a registry of planned clinical studies of relevance to public funders. The data set was validated by an efficacy testing exercise. High response rates were achieved for the questionnaires sent to project participants and this was attributed to the evidence-based strategy implemented. Response rates to questionnaires sent to external stakeholders were disappointingly lower. Most of the high-level objectives were achieved, although applying the developed tools in practice will be implemented in the European network for Health

  6. Technology status of hydrogen road vehicles. IEA technical report from the IEA Agreement of the production and utilization of hydrogen

    Energy Technology Data Exchange (ETDEWEB)

    Doyle, T.A.

    1998-01-31

    The report was commissioned under the Hydrogen Implementing Agreement of the International Energy Agency (IEA) and examines the state of the art in the evolving field of hydrogen-fueled vehicles for road transport. The first phase surveys and analyzes developments since 1989, when a comprehensive review was last published. The report emphasizes the following: problems, especially backfiring, with internal combustion engines (ICEs); operational safety; hydrogen handling and on-board storage; and ongoing demonstration projects. Hydrogen vehicles are receiving much attention, especially at the research and development level. However, there has been a steady move during the past 5 years toward integral demonstrations of operable vehicles intended for public roads. Because they emit few, or no greenhouse gases, hydrogen vehicles are beginning to be taken seriously as a promising solution to the problems of urban air quality. Since the time the first draft of the report was prepared (mid-19 96), the 11th World Hydrogen Energy Conference took place in Stuttgart, Germany. This biennial conference can be regarded as a valid updating of the state of the art; therefore, the 1996 results are included in the current version. Sections of the report include: hydrogen production and distribution to urban users; on-board storage and refilling; vehicle power units and drives, and four appendices titled: 'Safety questions of hydrogen storage and use in vehicles', 'Performance of hydrogen fuel in internal production engines for road vehicles, 'Fuel cells for hydrogen vehicles', and 'Summaries of papers on hydrogen vehicles'. (refs., tabs.)

  7. Limitations of gaze transfer: without visual context, eye movements do not to help to coordinate joint action, whereas mouse movements do.

    Science.gov (United States)

    Müller, Romy; Helmert, Jens R; Pannasch, Sebastian

    2014-10-01

    Remote cooperation can be improved by transferring the gaze of one participant to the other. However, based on a partner's gaze, an interpretation of his communicative intention can be difficult. Thus, gaze transfer has been inferior to mouse transfer in remote spatial referencing tasks where locations had to be pointed out explicitly. Given that eye movements serve as an indicator of visual attention, it remains to be investigated whether gaze and mouse transfer differentially affect the coordination of joint action when the situation demands an understanding of the partner's search strategies. In the present study, a gaze or mouse cursor was transferred from a searcher to an assistant in a hierarchical decision task. The assistant could use this cursor to guide his movement of a window which continuously opened up the display parts the searcher needed to find the right solution. In this context, we investigated how the ease of using gaze transfer depended on whether a link could be established between the partner's eye movements and the objects he was looking at. Therefore, in addition to the searcher's cursor, the assistant either saw the positions of these objects or only a grey background. When the objects were visible, performance and the number of spoken words were similar for gaze and mouse transfer. However, without them, gaze transfer resulted in longer solution times and more verbal effort as participants relied more strongly on speech to coordinate the window movement. Moreover, an analysis of the spatio-temporal coupling of the transmitted cursor and the window indicated that when no visual object information was available, assistants confidently followed the searcher's mouse but not his gaze cursor. Once again, the results highlight the importance of carefully considering task characteristics when applying gaze transfer in remote cooperation. Copyright © 2013 Elsevier B.V. All rights reserved.

  8. Tissue engineering of cartilage using a mechanobioreactor exerting simultaneous mechanical shear and compression to simulate the rolling action of articular joints.

    Science.gov (United States)

    Shahin, Kifah; Doran, Pauline M

    2012-04-01

    The effect of dynamic mechanical shear and compression on the synthesis of human tissue-engineered cartilage was investigated using a mechanobioreactor capable of simulating the rolling action of articular joints in a mixed fluid environment. Human chondrocytes seeded into polyglycolic acid (PGA) mesh or PGA-alginate scaffolds were precultured in shaking T-flasks or recirculation perfusion bioreactors for 2.5 or 4 weeks prior to mechanical stimulation in the mechanobioreactor. Constructs were subjected to intermittent unconfined shear and compressive loading at a frequency of 0.05 Hz using a peak-to-peak compressive strain amplitude of 2.2% superimposed on a static axial compressive strain of 6.5%. The mechanical treatment was carried out for up to 2.5 weeks using a loading regime of 10 min duration each day with the direction of the shear forces reversed after 5 min and release of all loading at the end of the daily treatment period. Compared with shaking T-flasks and mechanobioreactor control cultures without loading, mechanical treatment improved the amount and quality of cartilage produced. On a per cell basis, synthesis of both major structural components of cartilage, glycosaminoglycan (GAG) and collagen type II, was enhanced substantially by up to 5.3- and 10-fold, respectively, depending on the scaffold type and seeding cell density. Levels of collagen type II as a percentage of total collagen were also increased after mechanical treatment by up to 3.4-fold in PGA constructs. Mechanical treatment had a less pronounced effect on the composition of constructs precultured in perfusion bioreactors compared with perfusion culture controls. This work demonstrates that the quality of tissue-engineered cartilage can be enhanced significantly by application of simultaneous dynamic mechanical shear and compression, with the greatest benefits evident for synthesis of collagen type II. Copyright © 2011 Wiley Periodicals, Inc.

  9. Kinetics of destruction of KU-2 x 8 and AV-17 x 8 ion-exchange resins by the joint action of heating and irradiation

    International Nuclear Information System (INIS)

    Tulupov, P.E.; Butenko, T.Yu.

    1982-01-01

    Experimental data indicates a decrease of the exchange capacity of AV-17 x 8 (OH) resin in ion-exchange beds at various temperatures. Losses of exchange of the resin in hydroxyl form after 10,000h of continuous heating at 60, 70, and 80 0 C are 24, 44, and 78% respectively. Partial replacement of the hydroxyl by the salt form is accomplished by appreciable lowering of capacity losses. The trimethlyamine evolved during deamination of AV-17 x 8 anion exchange resin, and only methanol, enters the coolant. Under the influence of ionizing radiation in the active zone the methanol will be converted successively into formaldehyde, formic acid and CO 2 . Thus the maximum temperature of use of the hydroxyl form of te anion-exchange resin AV-17 x 8 (OH) in nuclear power plants can be raised to 70-75 0 C. Brief changes of temperature at 100 0 C do not cause any appreciable losses of exchange capacity either. Physicochemical properties of ion-exchange resins after use in nuclear power plants leads to excessive and unjustified restriction of their service life in the course of a single cycle. Joint action of heating and irradiation on AV-17 anion-exchange resin was studied. It was found that rate constants of the processes of thermal radiation decreases the exchange capacities of the resins in the temperature ranges of interest with relation to nuclear power plants. Calculation of the stability of KU-2 x 8 cation-exchange resin shows that even after a year of use at 100 0 C the loss of its exchange capacity is less than 0.1%. Therefore, under the conditions of use in a nuclear power plant KU-2 x 8 resin can be regarded as absolutely stable. The loss of exchange capacity of AV-17 x 8 resin in C1 form at 100 0 C is of similar magnitude

  10. Energy Efficiency Requirements in Building Codes, Energy Efficiency Policies for New Buildings. IEA Information Paper

    Energy Technology Data Exchange (ETDEWEB)

    Laustsen, Jens

    2008-03-15

    The aim of this paper is to describe and analyse current approaches to encourage energy efficiency in building codes for new buildings. Based on this analysis the paper enumerates policy recommendations for enhancing how energy efficiency is addressed in building codes and other policies for new buildings. This paper forms part of the IEA work for the G8 Gleneagles Plan of Action. These recommendations reflect the study of different policy options for increasing energy efficiency in new buildings and examination of other energy efficiency requirements in standards or building codes, such as energy efficiency requirements by major renovation or refurbishment. In many countries, energy efficiency of buildings falls under the jurisdiction of the federal states. Different standards cover different regions or climatic conditions and different types of buildings, such as residential or simple buildings, commercial buildings and more complicated high-rise buildings. There are many different building codes in the world and the intention of this paper is not to cover all codes on each level in all countries. Instead, the paper details different regions of the world and different ways of standards. In this paper we also evaluate good practices based on local traditions. This project does not seek to identify one best practice amongst the building codes and standards. Instead, different types of codes and different parts of the regulation have been illustrated together with examples on how they have been successfully addressed. To complement this discussion of efficiency standards, this study illustrates how energy efficiency can be improved through such initiatives as efficiency labelling or certification, very best practice buildings with extremely low- or no-energy consumption and other policies to raise buildings' energy efficiency beyond minimum requirements. When referring to the energy saving potentials for buildings, this study uses the analysis of recent IEA

  11. Communication received from the Resident Representatives of the Russian Federation and the United States of America to the IAEA enclosing the text of a declaration on nuclear energy and nonproliferation joint actions, and the text of a joint statement by the Minister for Foreign Affairs of the Russian Federation, Sergey Lavrov, and U.S. Secretary of State, Condoleezza Rice

    International Nuclear Information System (INIS)

    2007-01-01

    The Director General has received a communication dated 10 July 2007 from the Resident Representatives of the Russian Federation and the United States of America with the attachments of a Declaration on Nuclear Energy and Nonproliferation Joint Actions published by the Russian Federation and the United States of America on 3 July 2007; and the text of a Joint Statement by the Minister for Foreign Affairs of the Russian Federation Sergey Lavrov and U.S. Secretary of State Condoleezza Rice. As requested in that communication, the letter and its attachments are circulated for the information of Member States

  12. Application of ultraperformance liquid chromatography/mass spectrometry-based metabonomic techniques to analyze the joint toxic action of long-term low-level exposure to a mixture of organophosphate pesticides on rat urine profile.

    Science.gov (United States)

    Du, Longfei; Wang, Hong; Xu, Wei; Zeng, Yan; Hou, Yurong; Zhang, Yuqiu; Zhao, Xiujuan; Sun, Changhao

    2013-07-01

    In previously published articles, we evaluated the toxicity of four organophosphate (OP) pesticides (dichlorvos, dimethoate, acephate, and phorate) to rats using metabonomic technology at their corresponding no observed adverse effect level (NOAEL). Results show that a single pesticide elicits no toxic response. This study aimed to determine whether chronic exposure to a mixture of the above four pesticides (at their corresponding NOAEL) can lead to joint toxic action in rats using the same technology. Pesticides were administered daily to rats through drinking water for 24 weeks. The above mixture of the four pesticides showed joint toxic action at the NOAEL of each pesticide. The metabonomic profiles of rats urine were analyzed by ultraperformance liquid chromatography/mass spectrometry. The 16 metabolites statistically significantly changed in all treated groups compared with the control group. Dimethylphosphate and dimethyldithiophosphate exclusively detected in all treated groups can be used as early, sensitive biomarkers for exposure to a mixture of the OP pesticides. Moreover, exposure to the OP pesticides resulted in increased 7-methylguanine, ribothymidine, cholic acid, 4-pyridoxic acid, kynurenine, and indoxyl sulfate levels, as well as decreased hippuric acid, creatinine, uric acid, gentisic acid, C18-dihydrosphingosine, phytosphingosine, suberic acid, and citric acid. The results indicated that a mixture of OP pesticides induced DNA damage and oxidative stress, disturbed the metabolism of lipids, and interfered with the tricarboxylic acid cycle. Ensuring food safety requires not only the toxicology test data of each pesticide for the calculation of the acceptable daily intake but also the joint toxic action.

  13. Implementation of Energy Strategies in Communities – Results within the Context of IEA Annex 63

    DEFF Research Database (Denmark)

    Schiefelbein, Jan; Slotterback, Carissa S.; Petersen, Jens-Phillip

    . However, findings of the International Energy Agency (IEA) Annex 51 – Case Studies & Guidelines for Energy Efficient Communities – showed that the primary challenges result from inefficient organizational processes and unsupportive framework for implementation. Thus, solutions have to be found how...

  14. Measurements and calculations of reactivity for the IEA-R1 reactor

    International Nuclear Information System (INIS)

    Ferreira, P.S.B.; Maiorino, J.R.; Yamaguchi, M.

    1988-01-01

    This work shows a measurement of reactivity parameters, such as integral and diferential control rod worth, local void coefficient, and moderator temperature coefficient for the research reactor IEA-R1. The measured values were compared with those calculated through HAMMER-CITATION codes, having shown good agreement. (author) [pt

  15. Nuclear material control at IEA-R1 nuclear research reactor

    International Nuclear Information System (INIS)

    1988-01-01

    The control measurements system and verification of physical inventory for fuel elements used in the operation of IEA-R1 nuclear research reactor are described. The computer code used for burn-up calculation are shown. (E.G.) [pt

  16. IEA Mobility Model (MoMo) and its use in the ETP 2008

    International Nuclear Information System (INIS)

    Fulton, Lew; Cazzola, Pierpaolo; Cuenot, Francois

    2009-01-01

    The IEA published 'Energy Technology Perspectives' (ETP) in June 2008. That document reports on IEA scenarios for baseline and low-CO 2 alternative scenarios to 2050, across the energy economy. The study included creating scenarios for transport, using the IEA Mobility Model (MoMo). This paper reports on the transport-related ETP scenarios and describes the model used in the analysis. According to the ETP Baseline scenario, world transport energy use and CO 2 emissions will more than double by 2050. In the most challenging scenario, called 'BLUE', transport emissions are reduced by 70% in 2050 compared to their baseline level in that year (and about 25% below their 2005 levels). There are several versions of the BLUE scenario, but all involve: a 50% or greater improvement in LDV efficiency, 30-50% improvement in efficiency of other modes (e.g. trucks, ships and aircraft), 25% substitution of liquid fossil fuels by biofuels, and considerable penetration of electric and/or fuel-cell vehicles. In the second half of this paper, an overview of the MoMo model is provided. Details on the complete analysis are contained in the ETP 2008 document, available at (www.iea.org). Details of the LDV fuel economy analysis are contained in a separate paper in this collection.

  17. Tetrafluoride uranium pilot plant in operation at IEA, using the moving bed process

    International Nuclear Information System (INIS)

    Franca Junior, J.M.

    1975-01-01

    A UF 4 pilot plant, in operation at IEA, using the moving bed process is reported. UO 3 obtained from the thermal decomposition of ADU is used as a starting material in this pilot plant. The type of equipment and the process are both described. Ammonia gas (NH 3 ) was used in the reduction operation and anhydrous hydrofluoric acid (HF) in the hydrofluorination step

  18. Borated stainless steel storage project to the spent fuel of the IEA-R1 reactor

    International Nuclear Information System (INIS)

    Rodrigues, Antonio Carlos Iglesias; Madi Filho, Tufic; Ricci Filho, Walter

    2013-01-01

    The IEA-R1 research reactor operates in a regimen of 64h weekly, at the power of 4.5 MW. In these conditions, the racks to the spent fuel elements have less than half of its initial capacity. Thus, maintaining these operating circumstances, the storage will have capacity for approximately six years. Whereas the estimated useful life of the IEA-R1 is around twenty years, it will be necessary to increase the storage capacity for the spent fuel. Dr. Henrik Grahn, expert of the International Atomic Energy Agency on wet storage, visiting the IEA-R1 Reactor (September/2012) made some recommendations: among them, the design and installation of racks made with borated stainless steel and internally coated with an aluminum film, so that corrosion of the fuel elements would not occur. This work objective is the project of high capacity storage for spent fuel elements, using borated stainless steel, to answer the Reactor IEA-R1 demand and the security requirements of the International Atomic Energy Agency. (author)

  19. IEA Wind Task 37 System Modeling Framework and Ontology for Wind Turbines and Plants

    NARCIS (Netherlands)

    Dykes, K; Sanchez Perez Moreno, S.; Zahle, Frederik; Ning, A; McWilliam, M.; Zaayer, M B

    2017-01-01

    This presentation will provide an overview of progress to date in the development of a system modeling framework and ontology for wind turbines and plants as part of the larger IEA Wind Task 37 on wind energy systems engineering. The goals of the effort are to create a set of guidelines for a common

  20. Design of a new wet storage rack for spent fuels from IEA-R1 reactor

    International Nuclear Information System (INIS)

    Rodrigues, Antonio C.I.; Madi Filho, Tufic; Siqueira, Paulo T.D.; Ricci Filho, Walter

    2015-01-01

    The IEA-R1 research reactor operates in a regimen of 64h weekly, at the power of 4.5 MW. In these conditions, the racks of the spent fuel elements have less than half of its initial capacity. Thus, maintaining these operating conditions, the storage will have capacity for about six years. Since the estimated useful life of the IEA-R1 is about another 20 years, it will be necessary to increase the storage capacity of spent fuel. Dr. Henrik Grahn, expert of the International Atomic Energy Agency on wet storage, visiting the IEA-R1 Reactor (September/2012) made some recommendations: among them, the design and installation of racks made with borated stainless steel and internally coated with an aluminum film, so that corrosion of the fuel elements would not occur. After an extensive literature review of material options given for this type of application we got to Boral® manufactured by 3M due to numerous advantages. This paper presents studies on the analysis of criticality using the computer code MCNP 5, demonstrating the possibility of doubling the storage capacity of current racks to attend the demand of the IEA-R1 reactor while attending the safety requirements the International Atomic Energy Agency. (author)

  1. Design of a new wet storage rack for spent fuels from IEA-R1 reactor

    Energy Technology Data Exchange (ETDEWEB)

    Rodrigues, Antonio C.I.; Madi Filho, Tufic; Siqueira, Paulo T.D.; Ricci Filho, Walter, E-mail: acirodri@ipen.br, E-mail: tmfilho@ipen.br, E-mail: ptsiquei@ipen.br, E-mail: wricci@ipen.br [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2015-07-01

    The IEA-R1 research reactor operates in a regimen of 64h weekly, at the power of 4.5 MW. In these conditions, the racks of the spent fuel elements have less than half of its initial capacity. Thus, maintaining these operating conditions, the storage will have capacity for about six years. Since the estimated useful life of the IEA-R1 is about another 20 years, it will be necessary to increase the storage capacity of spent fuel. Dr. Henrik Grahn, expert of the International Atomic Energy Agency on wet storage, visiting the IEA-R1 Reactor (September/2012) made some recommendations: among them, the design and installation of racks made with borated stainless steel and internally coated with an aluminum film, so that corrosion of the fuel elements would not occur. After an extensive literature review of material options given for this type of application we got to Boral® manufactured by 3M due to numerous advantages. This paper presents studies on the analysis of criticality using the computer code MCNP 5, demonstrating the possibility of doubling the storage capacity of current racks to attend the demand of the IEA-R1 reactor while attending the safety requirements the International Atomic Energy Agency. (author)

  2. Borated stainless steel storage project to the spent fuel of the IEA-R1 reactor

    Energy Technology Data Exchange (ETDEWEB)

    Rodrigues, Antonio Carlos Iglesias; Madi Filho, Tufic; Ricci Filho, Walter, E-mail: acirodri@ipen.br, E-mail: tmfilho@ipen.br, E-mail: wricci@ipen.br [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2013-07-01

    The IEA-R1 research reactor operates in a regimen of 64h weekly, at the power of 4.5 MW. In these conditions, the racks to the spent fuel elements have less than half of its initial capacity. Thus, maintaining these operating circumstances, the storage will have capacity for approximately six years. Whereas the estimated useful life of the IEA-R1 is around twenty years, it will be necessary to increase the storage capacity for the spent fuel. Dr. Henrik Grahn, expert of the International Atomic Energy Agency on wet storage, visiting the IEA-R1 Reactor (September/2012) made some recommendations: among them, the design and installation of racks made with borated stainless steel and internally coated with an aluminum film, so that corrosion of the fuel elements would not occur. This work objective is the project of high capacity storage for spent fuel elements, using borated stainless steel, to answer the Reactor IEA-R1 demand and the security requirements of the International Atomic Energy Agency. (author)

  3. IEA-ECBCS Annex 51: energy efficient communities. Experience from Denmark

    DEFF Research Database (Denmark)

    Dalla Rosa, Alessandro; Svendsen, Svend

    2011-01-01

    The paper describes the Danish contribution to the IEA-ECBCS Annex 51: “energy efficient communities”. We present three case studies, two from Annex subtask A (state-of-the-art review) and one from subtask B (ongoing projects). The first case study is “Samsoe: a renewable energy island”. The comm...

  4. Measurement of thermal neutron flux spatial distribution in the IEA-R1 reactor core

    International Nuclear Information System (INIS)

    D'Utra Bitelli, U.

    1993-01-01

    This work presents the spatial thermal neutron flux in IEA-R1 reactor obtained by activation foils methods. These measurements were made in 27 fuel elements of the reactor core (165 B configuration). The results are important to compare with theoretical values, power calibration and safety analysis. (author)

  5. Task V of the IEA Photovoltaic Power Systems Program: Accomplishments and Activities

    International Nuclear Information System (INIS)

    Bower, Ward

    1999-01-01

    The International Energy Agency (IEA) is an energy forum for 24 industrialized countries and was established in 1974 as an autonomous body within the Organization for Economic Cooperation and Development (OECD). The IEA Photovoltaic Power Systems (PVPS) program implementing agreement was signed in 1993, and renewed for another five years in 1998. Twenty-two countries are collaborating under the auspices of the IEA in the PVPS to address common technical and informational barriers that often limit the rate at which photovoltaic technologies advance into the markets. Task V of the IEA PVPS is entitled ''Grid Interconnection of Building-Integrated and Other Dispersed Photovoltaic Power Systems.'' The task sponsored a workshop in September 1997 on grid-interconnection of photovoltaic systems and is planning a second workshop to address impacts of more penetration of dispersed systems into the utility grid. This paper will summarize the accomplishments of Task V over the last five years and will detail the planned work for the next three years

  6. FY 1998 Report on development of technologies for commercialization of photovoltaic power systems. International co-operative project (IEA implementing agreement for a co-operative programme on photovoltaic power systems, 11th and 12th executive committee meetings); 1998 nendo taiyoko hatsuden system jitsuyoka gijutsu kaihatsu kokusai kyoryoku jigyo. IEA taiyoko hatsuden system kenkyu kyoryoku program jisshi kyotei dai 12 kai dai 11 kai shikko iinkai

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-03-01

    Described herein are outline of the International Energy Agency/Co-operative programme on Photovoltaic Power Systems (IEA/PVPS), and minutes of the 11th and 12th executive committee meetings. Japan signed the IEA Implementing Agreement for a co-operative programme on Photovoltaic Power Systems in April 1993, and has been participating in the programme for research and development, demonstration, analysis, information exchange and introduction promotion, among others. Presented to the 11th executive committee meeting are progresses in each task, review of the PVPS programme by an independent reviewer, strategy for the next term of the PVPS agreement, and marketing of PV in the IEA member countries. The meeting also has confirmed the action plans and partial responsibilities. In the 12th executive committee meeting, the progresses of the tasks, e.g., objects, activities and problems, are reported, and reviewed by the participants. Discussed in the task 1, information exchange, are new communication methods, publication frequency and contents of Internal Survey Report, and opening of the internet home page, among others. (NEDO)

  7. Collection and analysis of the information related to the research theme of the IEA-GHG phase 3 program; IEA-GHG phase 3 program no kenkyu theme kanren joho no shushu to bunseki gyomu

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-03-01

    The survey on the reduction measures against greenhouse effect gases was carried out which was proposed by the IEA-GHG phase 3 program. In Japan, various low emission vehicles (LEV) such as electric, methanol and natural gas vehicles are under rapid development. Like France, cost reduction and preparation of fuel filling stations are urgently necessary for the diffusion of LEVs. In New Zealand, air pollution by automobiles is not essential. The Switzerland government is promoting the diffusion of compact electric vehicles, and inhibits the use of conventional automobiles in some tourist resorts. The California state is leading the world by prescribing the bold regulation for preventing the air from pollution. In particular, the state government put automobile manufacturers under an obligation to produce zero emission vehicles (ZEV, electric vehicle) by 2% of passenger cars and trucks from 1998 and to increase ZEVs up to 10% until 2010. This report also includes two papers concerned, `Forestry management for sustainable development` and `Tropical forestry action plan after five years.` 142 refs., 19 figs., 23 tabs.

  8. IEA Implementing Agreement on Electricity Networks Analysis, Research and Development (ENARD) Annex IV: - Transmission Systems Final report

    Energy Technology Data Exchange (ETDEWEB)

    Uhlen, Kjetil; Cirio, Diego

    2012-11-01

    This is the final report from Annex IV under the IEA Implementing Agreement on Electricity Networks Analysis, Research and Development (ENARD). The Annex has worked out a long-term perspective in the evolution of transmission system planning and operation. This is motivated by the established targets for energy system developments, which in turn are affected by economic paradigms, environmental concerns, and security of supply requirements for the well-being of citizens. The Annex work concludes that urgent action is needed to make the power system able to accommodate in a safe and economic way the dramatic changes it is required to undergo. A main message is that the 'right' investment in transmission capacity, which must be stimulated, may be regarded as 'overinvestment'. Transmission lines may be 'necessary' even though there is a chance that they may be underutilised in parts of their lifetime. In reality, underinvestment could be more costly than overinvestment (contradictory to the motivation for deregulation; to improve efficiency and avoid overinvestment). This is necessary, taking into account the very long planning and consenting processes and accounting for the technical aspects in the regulatory and market framework.(auth)

  9. Dissipative properties of materials with microplastic mechanism of damping under conditions of separate and joint action of static stresses and temperature

    International Nuclear Information System (INIS)

    Shpak, D.E.

    1985-01-01

    Static stress and temperature are studied experimentally for their separate and joint effect on dissipative properties of VT3-1 and Ehp 718 alloys whose dissipation energy is conditioned by microplastic strains. The results of the study are presented. It is shown that for the materials studied in contrast to the materials with other basic damping mechanisms joint effect of static stresses and temperature is close to a simple summation of the separate effect of these factors without any changes in the character of energy dissipation dependence

  10. Dissipative properties of materials with microplastic mechanism of damping under conditions of separate and joint action of static stresses and temperature

    Energy Technology Data Exchange (ETDEWEB)

    Shpak, D.E.

    1985-01-01

    Static stress and temperature are studied experimentally for their separate and joint effect on dissipative properties of VT3-1 and Ehp 718 alloys whose dissipation energy is conditioned by microplastic strains. The results of the study are presented. It is shown that for the materials studied in contrast to the materials with other basic damping mechanisms joint effect of static stresses and temperature is close to a simple summation of the separate effect of these factors without any changes in the character of energy dissipation dependence.

  11. Workshop report and proposal for a new IEA Task: Daylight in buildings

    Energy Technology Data Exchange (ETDEWEB)

    Kristensen, P E; Johnsen, K

    1994-04-01

    The IEA workshop on Daylight in Buildings was held in Copenhagen on March 14-16, 1994. At the workshop, presentations were given on key topics as a basis for discussions by the experts participating in the meeting. The presentations and discussions covered a range of technical, architectural and amenity aspects of daylighting in buildings. A great interest in research collaboration on daylight was expressed, and it was agreed that plenty of work still needs to be done, and that the appropriate form of work would be an IEA Task. It was agreed that daylighting systems and control strategies should be evaluated and tested in test rooms, as well as in existing buildings as case studies. Furthermore, the workshop expressed that one of the best ways to realize and present the Task results to practice would be through a few demonstration buildings, build in different countries and under different climatic conditions. (EG)

  12. IEA HPT ANNEX 41 – Cold climate heat pumps: US country report

    Energy Technology Data Exchange (ETDEWEB)

    Groll, Eckhard A. [Purdue Univ., West Lafayette, IN (United States); Baxter, Van D. [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

    2017-08-01

    In 2012 the International Energy Agency (IEA) Heat Pump Programme (now the Heat Pump Technologies (HPT) program) established Annex 41 to investigate technology solutions to improve performance of heat pumps for cold climates. Four IEA HPT member countries are participating in the Annex – Austria, Canada, Japan, and the United States (U.S.). The principal focus of Annex 41 is on electrically driven air-source heat pumps (ASHP) since that system type has the lowest installation cost of all heat pump alternatives. They also have the most significant performance challenges given their inherent efficiency and capacity issues at cold outdoor temperatures. Availability of ASHPs with improved low ambient performance would help bring about a much stronger heat pump market presence in cold areas, which today rely predominantly on fossil fuel furnace heating systems.

  13. Aspects of the Iea-R1 research reactor seismic evaluation

    International Nuclear Information System (INIS)

    Mattar Neto, Miguel

    1996-01-01

    Codes and standards for the seismic evaluation of the research reactor IEA-R1 are presented. An approach to define the design basis earthquake based on the local seismic map and on simplified analysis methods is proposed. The site seismic evaluation indicates that the design earthquake intensity is IV MM. Therefore, according to the used codes and standards, no buildings, systems, and components seismic analysis are required. (author)

  14. Energy Balance of the Netherlands. CBS versus IEA, Eurostat and UNFCCC

    International Nuclear Information System (INIS)

    Segers, R.

    2010-03-01

    The physical energy system of the Netherlands is described in the so-called Energy balance of CBS (Statistics Netherlands). The statistical office of Europe (Eurostat) and the International Energy Agency (IEA) also publish an energy balance of the Netherlands. They use data provided to these organizations by CBS. The main lines of these balances are the same as the CBS balance. Nevertheless, there are quite a number of differences, despite the use of the same basic data. [nl

  15. Core calculations for the upgrading of the IEA-R1 research reactor

    International Nuclear Information System (INIS)

    Santos, Adimir dos; Perrotta, Jose A.; Bastos, Jose Luis F.; Yamaguchi, Mitsuo; Umbehaun, Pedro E.

    1998-01-01

    The IEA-R1 Research Reactor is a multipurpose reactor. It has been used for basic and applied research in the nuclear area, training and radioisotopes production since 1957. In 1995, the Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP) took the decision to modernize and upgrade the power from 2 to 5 MW and increase the operational cycle. This work presents the design requirements and the calculations effectuated to reach this goal. (author)

  16. Energy policies of IEA countries: the Republic of Korea 2006 review

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    Through analysis of its existing policies and comparisons with good examples in other IEA countries, this book provides critiques and recommendations for policy improvements. Covering not only traditional energy sectors, but also energy efficiency, renewables and the environment, the IEA report serves as a guide to understanding - and addressing - the energy challenges that face the modern Republic of Korea. The great strides that the Republic of Korea has made over the last three decades are not confined to its economy. Its energy industry has similarly leapt forward in terms of infrastructure and security. Though it has no links to nearby countries that would allow it to rely on electricity imports or piped natural gas, the country has rapidly electrified, built a diverse portfolio of electricity supply, developed a robust nuclear energy industry and become one of the pioneers in the liquefied natural gas trade. As the most recent member of the International Energy Agency (IEA), this progress is remarkable and its enhancement of its policy goals - adding economic efficiency and environmental sustainability to energy security - is commendable. Building on the liberalisation of its economy, the Republic of Korea set out an ambitious plan for reform of its state-controlled natural gas and electricity industries. However, the plans have been stalled and there is currently little vision for effective reform going forward. As the economy makes the transition to one with less phenomenal, more sustainable and less predictable growth, the IEA encourages the Republic of Korea to press forward with liberalisation in order to underpin a more flexible and efficient energy sector. 22 figs., 33 tabs., 3 apps.

  17. Feasibility studies of producing 99 Mo by capture in the IEA-R1 research reactor

    International Nuclear Information System (INIS)

    Concilio, Roberta; Mendonca, Arlindo Gilson; Maiorino, Jose Rubens

    1998-01-01

    Everyday the production of 99 Mo for 99m Tc generators, becomes more necessary, whose properties are ideal for medical diagnosis. This works presents a description and an analysis of the production of 99 Mo by radioactive capture at 98 Mo using the research reactor IEA-R1 in 5 MW and operating 5 days a week, referring to the use of targets, separation methods, total and specific activity attained and its limitations. (author)

  18. Norwegian participation in IEA Heat Pump Programme Annex 29 - final report

    International Nuclear Information System (INIS)

    Stene, Joern

    2006-06-01

    Ground source heat is a collective name for tapping, recharging and storing thermal energy at moderate temperature in the bedrock, ground water and soil (renewable energy). By means of heat pumps, ground source heating systems can be used as highly energy efficient and environmentally-friendly heating and cooling in all kinds of buildings. IEA's heat pump programme (IEA HPP) has in the period March 2004 to June 2006 carried out an Annex on heating pump systems based on ground source heat: 'Annex 29 - Ground-source heat pumps overcoming market and technical barriers'. The project has i.a. covered the development of more cost- and energy efficient solutions, identification and analysis of market obstacles, technology transfer and the task of making visible the energy economising potential and environmental gains that this type of systems represent. The six participating countries have been Canada, Japan, Norway, Sweden, USA and Austria (operating agent). Norway's participation in IEA Annex 29 has been financed by ENOVA SF, while SINTEF Energy research AS has been in charge of planning and executing the Norwegian project activities. This report provides a general presentation of ground source heat pump systems, and gives a summary of the most important Norwegian activities in IEA Annex 29, which includes: The development of a Norwegian internet home page (http://www.energy.sintef.no/prosjekt/annex29), preparation of Norwegian status report, initiation, coordination and carrying out of Norwegian research projects and reports, communication of results (technology transfer) in Norway, networking activities towards important market actors in Norway, participation and delivering discourse at international seminars (workshops), and participation at international working sessions (ml)

  19. Advanced storage concepts for solar and low energy buildings, IEA-SHC Task 32. Slutrapport

    Energy Technology Data Exchange (ETDEWEB)

    Schultz, J.M.; Andersen, Elsa; Furbo, S.

    2008-01-15

    This report reports on the results of the activities carried through in connection with the Danish part of the IEA SHC Task 32 project: Advanced Storage Concepts for Solar and Low Energy Buildings. The Danish involvement has focused on Subtask C: Storage Concepts Based on Phase Change Materials and Subtask D: Storage Concepts Based on Advanced Water Tanks and Special Devices. The report describes activities concerning heat-of-fusion storage and advanced water storage. (BA)

  20. The control-and-instrumentation system of the IEA zero power reactor and its reliability calculation

    International Nuclear Information System (INIS)

    Peluso, M.A.V.

    1978-01-01

    The control-and instrumentation system for the Instituto de Energia Atomica Zero Power Reactor is described and the design criteria are presented and discussed. The reliability analysis for the reactor protection system was performed using the fault tree method. This was done using a computer code based on the Monte Carlo simulation. That code is an adaptation of the SAFTE-I, for the IBM 360/155 IEA Computer. (Author) [pt

  1. IEA Task 32: Wind Lidar Systems for Wind Energy Deployment (LIDAR)

    Energy Technology Data Exchange (ETDEWEB)

    Kuhn, Martin; Trabucchi, Davide; Clifton, Andrew; Courtney, Mike; Rettenmeier, Andreas

    2016-05-25

    Under the International Energy Agency Wind Implementing Agreement (IEA Wind) Task 11, researchers started examining novel applications for remote sensing and the issues around them during the 51st topical expert meeting about remote sensing in January 2007. The 59th topical expert meeting organized by Task 11 in October 2009 was also dedicated to remote sensing, and the first draft of the Task's recommended practices on remote sensing was published in January 2013. The results of the Task 11 topical expert meetings provided solid groundwork for a new IEA Wind Task 32 on wind lidar technologies. Members of the wind community identified the need to consolidate the knowledge about wind lidar systems to facilitate their use, and to investigate how to exploit the advantages offered by this technology. This was the motivation that led to the start of IEA Wind Task 32 'Lidar Application for Wind Energy Deployment' in November 2011. The kick-off was meeting was held in May 2012.

  2. Report of the 13th IEA workshop on radiation effects in ceramic insulators

    International Nuclear Information System (INIS)

    2004-03-01

    The 13th IEA Workshop on Radiation Effects in Ceramic Insulators, based on Annex II: Experimentation on Radiation Damage in Fusion Materials, to the IEA Implementing Agreement for a Programme of Research and Development on Radiation Damage in Fusion Materials, was held on the 9th, December, 2003, at Kyoto International Conference Center, in Kyoto, Japan, in conjunction with the 11th International Conference on Fusion Reactor Materials (ICFRM-11). 44 participants from 10 countries (26 from Japan, 5 from Spain, 3 from Belgium, 3 from USA, 2 from RF, each 1 from Austria, Greece, Italy, Romania, and UK) gathered together and discussed following issues extensively, with the newest experimental results, after the welcome remarks by one of the organizer and chairpersons, Dr. E.R. Hodgson of CIEMAT. Effects of electric field on radiation induced microstructural evolution, parasitic electrical current and voltage induced in cables and wires by radiation effects, optical materials, IFMIF related issues and fundamental aspects were discussed. Significant results such as an observation of γ-alumina and aluminum colloid formation for the Radiation Induced Electrical Degradation mechanism are obtained. This report is workshop summary, abstracts and documents of the 13th IEA Workshop on Radiation Effects in Ceramic Insulators. (author)

  3. Measurement of the thermal flux distribution in the IEA-R1 reactor

    International Nuclear Information System (INIS)

    Tangari, C.M.; Moreira, J.M.L.; Jerez, R.

    1986-01-01

    The knowledge of the neutron flux distribution in research reactors is important because it gives the power distribution over the core, and it provides better conditions to perform experiments and sample irradiations. The measured neutron flux distribution can also be of interest as a means of comparison for the calculational methods of reactor analysis currently in use at this institute. The thermal neutron flux distribution of the IEA-R1 reactor has been measured with the miniature chamber WL-23292. For carrying out the measurements, it was buit a guide system that permit the insertion of the mini-chamber i between the fuel of the fuel elements. It can be introduced in two diferent positions a fuel element and in each it spans 26 axial positions. With this guide system the thermal neutron flux distribution of the IEA-R1 nuclear reactor can be obtained in a fast and efficient manner. The element measured flux distribution shows clearly the effects of control rods and reflectors in the IEA-R1 reactor. The difficulties encountered during the measurements are mentioned with detail as well as the procedures adopteed to overcome them. (Author) [pt

  4. IEA-ETSAP TIMES models in Denmark. Preliminary edition

    Energy Technology Data Exchange (ETDEWEB)

    Grohnheit, P.E.

    2011-03-15

    This report presents the project 'Danish participation in IEAETSAP, Annex XI, 2008-2010', which continued the Danish participation in ETSAP under Annex XI 'JOint STudies for New And Mitigated Energy Systems (JOSTNAMES): Climate friendly, Secure and Productive Energy Systems'. The main activity has been semi-annual workshops focusing on presentations of model analyses and use of the ETSAP tools (the MARKAL/TIMES family of models). Contributions to these workshops have been based on various collaborative projects within the EU research programmes and the Danish Centre for Environment, Energy and Health (CEEH). In addition, the DTU Climate Centre at Risoe, which was founded in the autumn of 2008, has taken part in the ETSAP workshops, and used the ETSAP model tools for projects, papers, and presentations, as well as for a Ph.D. project. (Author)

  5. Solar heating cooling. Preparation of possible participation in IEA, Solar Heating Cooling Task 25; Solvarmedrevet koeling. Forberedelse af evt. deltagelse i IEA, Solar Heating Cooling Task 25

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-03-01

    For the Danish solar heating industries it is interesting to discuss the domestic market possibilities and the export possibilities for solar heating cooling systems. The Danish solar heating sector also wants to participate in the international collaboration within IEA Solar Heating and Cooling Task 25 'Solar Assisted Air Conditioning of Buildings'. The Danish Energy Agency therefore has granted means for this project to discuss: The price of cooling for 3 different solar cooling methods (absorption cooling, desiccant cooling and ejector cooling); Market possibilities in Denmark and abroad; The advantages by Danish participation in IEA Task 25. The task has been solved through literature studies to establish status for the 3 technologies. It turned out that ejector cooling by low temperatures (85 deg. C from the solar collector) exists as pilot plants in relation to district heating, but is still not commercial accessible. Desiccant cooling, where the supplied heat has temperatures down to 55 deg. C is a well-developed technology. However only a handful of pilot plants with solar heating exists, and thus optimization relating to operation strategy and economy is on the experimental stage. Absorption cooling plants driven by solar heating are found in a large number in Japan and are also demonstrated in several other countries. The combination of absorption heating pump and solar heating is considered to be commercial accessible. Solar heating is interesting as heat source of to the exent that it can replace other sources of heat without the economy being depreciated. This can be the case in South Europe if: 1) oil or natural gas is used for heating; 2) a solar heating system already exists, e.g. for domestic water supply, and is installed so that the marginal costs by solar heating supply of the ventilation plant is reduced. All in all the above conditions mean that the market for solar heating for cooling is very limited in Europe, where almost

  6. Normative Action Research

    DEFF Research Database (Denmark)

    Baboroglu, Oguz; Ravn, Ib

    1992-01-01

    This paper presents an argument for an enrichment of action research methodology. To the current state of action research, we add a constructivist epistemological argument, as well as a crucial inspiration from some futures-oriented planning approaches. Within the domain of social....... They are generated jointly by the stakeholders of a system and the involved action researchers and are tested every time that the prescriptions for action contained in them are followed by a system's stakeholders....

  7. Fiscal 2000 report of investigation. Analysis of IEA/GHG related materials; 2000 nendo IEA/GHG kannren shiryo bunseki chosa hokokusho

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-03-01

    Documents relating to development of technologies for countermeasures against global warming at IEA (International Energy Agency) were translated and arranged. They are: Industrial uses of biomass energy - the example of Brasil - (Chapter 9, New technologies for modern biomass energy carriers) Arnaldo Walter et al.; Wood for energy production, technology - environment - economy (The Center for Biomass Technology, Denmark, 1999); The geological storage of CO2 in saline aquifers workshop (April 4-5, 2000, Nordwijkerhout, Netherland); Electricity technology roadmap 1999 summary and synthesis (Electric Power Research Institute EPRI, July, 1999); Large scale power generation using forestry and wood industry by-products (Report No.PH3/11, November, 1999); and, The potential of wind energy to reduce CO2 emissions (Report No.PH3/24, October, 2000). (NEDO)

  8. Joint ventures

    DEFF Research Database (Denmark)

    Sørensen, Karsten Engsig

    Afhandlingen analysere de konkurrenceretlige og selskabsretlige regler som er bestemmende for hvordan et joint venture samarbejde er struktureret......Afhandlingen analysere de konkurrenceretlige og selskabsretlige regler som er bestemmende for hvordan et joint venture samarbejde er struktureret...

  9. The Causality Study of External Environment Analysis (EEA), Internal Environment Analysis (IEA), Strategy Implementation on Study Program Performance at Vocational High School (VHS) in Nias Archipelago, Indonesia

    Science.gov (United States)

    Waruwu, Binahati; Sitompul, Harun; Manullang, Belferik

    2016-01-01

    The purposes of this study are to find out the significant effect of: (1) EEA on strategy implementation, (2) IEA on strategy implementation, (3) EEA on study program performance, (4) IEA on study program performance, and (5) strategy implementation on study program performance of Vocational High School (VHS) in Nias Archipelago. The population of…

  10. Coracoclavicular joint

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Kun Sang; Park, Chan Il; Ahn, Jae Doo; Lim, Chong Won [Seoul National University College of Medicine, Seoul (Korea, Republic of)

    1970-10-15

    The coracoclvicular joint, a rear abnormality which may be the cause of pain in the shoulder and limitation of motion of the shoulder joint, is discussed. A case of coracoclvicular joint with shoulder pain was observed in 65 yrs old Korean male.

  11. A CFD model for the IEA-R1 reactor neat exchanger inlet nozzle flow

    International Nuclear Information System (INIS)

    Andrade, Delvonei A.; Angelo, Gabriel; Gainer, Gerson; Angelo, Edvaldo; Umbehaun, Pedro E.; Torres, Walmir M.; Sabundjian, Gaiane; Macedo, Luiz A.; Belchior Junior, Antonio; Conti, Thadeu N.; Watanabe, Bruno C.; Sakai, Caio C.

    2011-01-01

    A previous preliminary model of the IEA-R1 heat exchanger inlet nozzle flow was developed and published in the International Nuclear Atlantic Conference-INAC-2009. A new model was created based on the preliminary one. It was improved concerning the actual heat exchanger tube bundle geometry. This became a very special issue. Difficulties with the size of the numerical mesh came out pointing to our computational system limits. New CFD calculations with this improved model were performed using ANSYS-CFX. In this paper, we present this model and discuss the results. (author)

  12. Radiation levels in the poll surface of IEA-R1 reactor

    International Nuclear Information System (INIS)

    Pasqualetto, H.

    1978-01-01

    A theoretical model for the calculation of the radioactivity level in the pool surface of the research reactor IEA-RI (INSTITUTO DE ENERGIA ATOMICA, BRAZIL) is developed. The radioactivity is caused by radionuclides (Mainly 24 Na and 27 Mg) produced by nuclear reactions of neutrons with: a) oxygen of the water b); gaseous elements dissolved in water (Ar,N); c) structural materials of the fuel can. Considerations about expected radiation level after eventual increase of reactor power from 2 MW to 10 MW are also presented [pt

  13. IEA agreement on the production and utilization of hydrogen: 2000 annual report

    International Nuclear Information System (INIS)

    Elam, Carolyn C.

    2001-01-01

    The 2000 annual report of the IEA Hydrogen Agreement contains an overview of the agreement, including its guiding principles, latest strategic plan, and a report from the Chairman, Mr. Neil P. Rossmeissl, U.S. Department of Energy. Overviews of the National Hydrogen Programs of nine member countries are given: Canada, Japan, Lithuania, the Netherlands, Norway, Spain, Sweden, Switzerland, and the United States. Task updates are provided on the following annexes: Annex 12 - Metal Hydrides and Carbon for Hydrogen Storage, Annex 13 - Design and Optimization of Integrated Systems, Annex 14 - Photoelectrolytic Production of Hydrogen, and, Annex 15 - Photobiological Production of Hydrogen

  14. Experiment on continuous operation of the Brazilian IEA-R1 research reactor

    International Nuclear Information System (INIS)

    Freitas Pintaud, M. de

    1994-01-01

    In order to increase the radioisotope production in the IEA-R1 research reactor at IPEN/CNEN-SP, it has been proposed a change in its operation regime from 8 hours per day and 5 days per week to continuous 48 hours per week. The necessary reactor parameters for this new operation regime were obtained through an experiment in which the reactor was for the first time operated in the new regime. This work presents the principal results from this experiment: xenon reactivity, new shutdown margins, and reactivity loss due to fuel burnup in the new operation regime. (author)

  15. The deep inspection of the energy policy in France by the IEA

    International Nuclear Information System (INIS)

    2000-11-01

    The members of the International Energy Agency present every four years an inspection concerning their energy policy. This document deals with the french inspection and covers the following subjects: the french energy statement, the french energy policy, the energy and nuclear independence, the nuclear competitiveness, the french electric power production facing the the increase of the petroleum prices, the renewable energies statement, the energy mastership, the greenhouse effect, the Charpin-Dessus-Pellat report, the directive transposition on the internal electric power market in France, the european directive transposition on the internal natural gas market in France, the energy policy audit by the IEA. (A.L.B.)

  16. IEA Agreement on the production and utilization of hydrogen: 1999 annual report

    Energy Technology Data Exchange (ETDEWEB)

    Elam, Carolyn C. (National Renewable Energy Lab, Golden, CO (US)) (ed.)

    2000-01-31

    The annual report begins with an overview of the IEA Hydrogen Agreement, including guiding principles and their strategic plan followed by the Chairman's report providing the year's highlights. Annex reports included are: the final report for Task 11, Integrated Systems; task updates for Task 12, Metal Hydrides and Carbon for Hydrogen Storage, Task 13, Design and Optimization of Integrated Systems, Task 14, Photoelectrolytic Production of Hydrogen, and Task 15, Photobiological Production of Hydrogen; and a feature article by Karsten Wurr titled 'Large-Scale Industrial Uses of Hydrogen: Final Development Report'.

  17. IEA Hydrogen Implementing Agreement's Second Generation R and D and the Hydrogen Economy

    Energy Technology Data Exchange (ETDEWEB)

    Beck, N.; Garcia-Conde, A. G.; Riis, T. U.; Luzzi, A.; Valladares, M. R. de

    2005-07-01

    Since its creation by the International Energy Agency in the late 1970's, the IEA Hydrogen Implementing Agreement (HIA) has been at the forefront of collaborative international hydrogen research and development (R and D) (http://www.ieahia.org. ) The collective body of HIA hydrogen R and D will contribute to definition of the hydrogen economy. The five-year [2004-2009) mission of the IEA HIA is to advance the adoption of a Hydrogen Economy through strategic implementation of collaborative R and D and outreach programs that address key issues and barriers. The three goals for the Second Generation HIA are: Advancement of science and technology via pre-commercial collaborative RD and D programs; Assessment of market environment, including the non-energy sector; and Implementation of outreach program, aimed at community acceptance and support. The HIA launched its Second Generation of hydrogen R and D in the latter part of 2004. The HIA's anniversary report: In Pursuit of the Future: 25 Years of IEA Research towards the realization of Hydrogen Energy Systems (http://ieahia.org/pdfs/IEA_AnniversaryReport_HIA.pdf) chronicles its contributions to hydrogen R and D. As the hydrogen economy takes shape, the HIA is pleased to share highlights of its R and D history together with progress on planned activities and its six current annexes, listed below: Task 15 Photobiological Production of Hydrogen Task 16 Hydrogen from Carbon-Containing Materials Task 17 Solid and Liquid Storage Task 18 Integrated Systems Evaluation Task 19 Safety Task 20 Hydrogen from Waterphotolysis Planned successor annexes in storage and photobiological hydrogen production will also be discussed, along with a task on high temperature hydrogen production that is now in the definition phase. Over 250 experts from the sixteen member HIA countries and the European Union contribute to this portfolio of cutting edge hydrogen R and D and analysis activities. Several other countries are expected to

  18. Report of IEA workshop on reduced activation ferritic/martensitic steels

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-03-01

    IEA Workshop on Reduced Activation Ferritic/Martensitic Steels under implementing agreement for program of research and development on fusion materials was held at Tokyo Yayoi Kaikan and JAERI headquarter on November 2-3, 2000. The objective of this workshop was a review of the fusion material development programs, the progress of the collaboration and the irradiation effects studies on RAF/M steels in the collaborating parties (Europe, Russia the United States, and Japan). Moreover, the development of plans for future collaboration was discussed. The present report contains viewgraphs presented at the workshop. (author)

  19. Trends in photovoltaic applications. Survey report of selected IEA countries between 1992 and 1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-10-15

    This report presents a description of the status of photovoltaic (PV) power systems in the 20 participating countries of the IEA Photovoltaic Power Systems Programme. A survey of the status of PV power systems applications and markets in each country has been conducted every two years for the past six years and biennial reports published. The decision has now been taken to move to shorter annual reports and this is the first such report. This report presents an overview of PV power systems applications and markets at the end of 1998 and analyses the trends in PV power systems implemented between 1992 and 1998. (author)

  20. Trends in photovoltaic applications. Survey report of selected IEA countries between 1992 and 1998

    International Nuclear Information System (INIS)

    1999-10-01

    This report presents a description of the status of photovoltaic (PV) power systems in the 20 participating countries of the IEA Photovoltaic Power Systems Programme. A survey of the status of PV power systems applications and markets in each country has been conducted every two years for the past six years and biennial reports published. The decision has now been taken to move to shorter annual reports and this is the first such report. This report presents an overview of PV power systems applications and markets at the end of 1998 and analyses the trends in PV power systems implemented between 1992 and 1998. (author)

  1. A CFD model for the IEA-R1 reactor neat exchanger inlet nozzle flow

    Energy Technology Data Exchange (ETDEWEB)

    Andrade, Delvonei A.; Angelo, Gabriel; Gainer, Gerson; Angelo, Edvaldo; Umbehaun, Pedro E.; Torres, Walmir M.; Sabundjian, Gaiane; Macedo, Luiz A.; Belchior Junior, Antonio; Conti, Thadeu N.; Watanabe, Bruno C.; Sakai, Caio C., E-mail: delvonei@ipen.b, E-mail: gfainer@ipen.b [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2011-07-01

    A previous preliminary model of the IEA-R1 heat exchanger inlet nozzle flow was developed and published in the International Nuclear Atlantic Conference-INAC-2009. A new model was created based on the preliminary one. It was improved concerning the actual heat exchanger tube bundle geometry. This became a very special issue. Difficulties with the size of the numerical mesh came out pointing to our computational system limits. New CFD calculations with this improved model were performed using ANSYS-CFX. In this paper, we present this model and discuss the results. (author)

  2. IEA Agreement on the Production and utilization of hydrogen: 1998 annual report

    Energy Technology Data Exchange (ETDEWEB)

    Elam, Carolyn C. (National Renewable Energy Lab, Golden, CO (US)) (ed.)

    1999-01-31

    The annual report includes an overview of the IEA Hydrogen Agreement, including its guiding principles. The Chairman's report section includes highlights of the agreement for 1998. Annex reports are given on various tasks: Task 10, Photoproduction of Hydrogen, Task 11, Integrated Systems, and Task 12, Metal Hydrides and Carbon for Hydrogen Storage. Lastly, a feature article by Karsten Wurr, E3M Material Consulting, GmbH, Hamburg Germany, is included titled 'Hydrogen in Material Science and Technology: State of the Art and New Tendencies'.

  3. IEA agreement on the production and utilization of hydrogen: 2000 annual report

    Energy Technology Data Exchange (ETDEWEB)

    Elam, Carolyn C. [National Renewable Energy Lab., Golden, CO (US)] (ed.)

    2001-12-01

    The 2000 annual report of the IEA Hydrogen Agreement contains an overview of the agreement, including its guiding principles, latest strategic plan, and a report from the Chairman, Mr. Neil P. Rossmeissl, U.S. Department of Energy. Overviews of the National Hydrogen Programs of nine member countries are given: Canada, Japan, Lithuania, the Netherlands, Norway, Spain, Sweden, Switzerland, and the United States. Task updates are provided on the following annexes: Annex 12 - Metal Hydrides and Carbon for Hydrogen Storage, Annex 13 - Design and Optimization of Integrated Systems, Annex 14 - Photoelectrolytic Production of Hydrogen, and, Annex 15 - Photobiological Production of Hydrogen.

  4. The place of digital technology on the IEA's energy road-maps

    International Nuclear Information System (INIS)

    Ben-Naceur, Kamel

    2017-01-01

    The International Energy Agency (IEA) has drafted road-maps for the next four decades in collaboration with public and private producers and consumers of energy. For each type of energy, these road-maps indicate the key elements for compliance with the objectives of the Paris Climate Agreement. They emphasize the role of digital technology, in particular smart grids, in the transition toward a more digital and more intelligent energy system. The conditions necessary for successfully transforming this sector are mapped out, while attention is called to the risks inherent in this transition

  5. Structural characteristics of a graphite moderated critical assembly for a Zero Power reactor at IEA (Brazil)

    International Nuclear Information System (INIS)

    Almeida Ferreira, A.C. de; Hukai, R.Y.

    1975-01-01

    The structural characteristics of a graphite moderated core of a critical assembly to be installed in the Zero Power Reactor of IEA have been defined. These characteristics are the graphite block dimensions, the number and dimensions of the holes in the graphite, the pitch, the dimensions of the sticks of fuel and graphite to be inserted in the holes, and the mechanical reproducibility of the system. The composition of the fuel and moderator sticks were also defined. The main boundary conditions were the range of the relation C/U and C/TH used in commercial HTGR and the neutronics homogeneity

  6. IEA Wind Task 37: Systems Modeling Framework and Ontology for Wind Turbines and Plants

    Energy Technology Data Exchange (ETDEWEB)

    Dykes, Katherine L [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Zahle, Frederik [Technical University of Denmark; Merz, Karl [SINTEF Energy Research; McWilliam, Mike [Technical University of Denmark; Bortolotti, Pietro [Technical University Munich

    2017-08-14

    This presentation will provide an overview of progress to date in the development of a system modeling framework and ontology for wind turbines and plants as part of the larger IEA Wind Task 37 on wind energy systems engineering. The goals of the effort are to create a set of guidelines for a common conceptual architecture for wind turbines and plants so that practitioners can more easily share descriptions of wind turbines and plants across multiple parties and reduce the effort for translating descriptions between models; integrate different models together and collaborate on model development; and translate models among different levels of fidelity in the system.

  7. Multidimensional Recurrence Quantification Analysis (MdRQA) for the Analysis of Multidimensional Time-Series: A Software Implementation in MATLAB and Its Application to Group-Level Data in Joint Action.

    Science.gov (United States)

    Wallot, Sebastian; Roepstorff, Andreas; Mønster, Dan

    2016-01-01

    We introduce Multidimensional Recurrence Quantification Analysis (MdRQA) as a tool to analyze multidimensional time-series data. We show how MdRQA can be used to capture the dynamics of high-dimensional signals, and how MdRQA can be used to assess coupling between two or more variables. In particular, we describe applications of the method in research on joint and collective action, as it provides a coherent analysis framework to systematically investigate dynamics at different group levels-from individual dynamics, to dyadic dynamics, up to global group-level of arbitrary size. The Appendix in Supplementary Material contains a software implementation in MATLAB to calculate MdRQA measures.

  8. Simulation of channel blockage for the IEA-R1 research reactor using RELAP/MOD 3

    International Nuclear Information System (INIS)

    Oliveira, Eduardo C.F. de; Castrillo, Lazara Silveira

    2015-01-01

    Research reactors have great importance in the area of nuclear technology, such as radioisotope production, research in nuclear physics, development of new technologies and staff training for reactor operation. The IEA-R1 is a Brazilian research reactor type pool, located at the IPEN (Instituto de Pesquisas Energeticas e Nucleares). In this work is simulated with computer code RELAP5 / MOD 3.3.2 gamma, the effect caused by partial and complete blockage of a channel in MTR fuel element of the IEA-R1 core, in order to analyzed the thermal hydraulic parameters on adjacent channels. (author)

  9. Determining greenhouse gas balances of biomass fuel cycles. Results to date from task 15 of IEA bio-energy

    International Nuclear Information System (INIS)

    Schlamadinger, B.; Spitzer, J.

    1997-01-01

    Selected activities of IEA Bio-energy Task 15 are described. Task 15 of IEA Bio-energy, entitled 'Greenhouse Gas Balances of Bio-energy Systems', aims at investigating processes involved in the use of bio-energy systems on a full fuel-cycle basis to establish overall greenhouse gas balances. The work of Task 15 includes, among other things, a compilation of existing data on greenhouse gas emissions from various biomass production and conversion processes, a standard methodology for greenhouse gas balances of bio-energy systems, a bibliography, and recommendations for selection of appropriate national strategies for greenhouse gas mitigation. (K.A.)

  10. Simulation of channel blockage for the IEA-R1 research reactor using RELAP/MOD 3

    Energy Technology Data Exchange (ETDEWEB)

    Oliveira, Eduardo C.F. de; Castrillo, Lazara Silveira, E-mail: ecfoliveira@hotmail.com, E-mail: lazara.castrillo@upe.br [Universidade de Pernambuco (UPE), Recife, PE (Brazil). Escola Politecnica de Pernambuco

    2015-07-01

    Research reactors have great importance in the area of nuclear technology, such as radioisotope production, research in nuclear physics, development of new technologies and staff training for reactor operation. The IEA-R1 is a Brazilian research reactor type pool, located at the IPEN (Instituto de Pesquisas Energeticas e Nucleares). In this work is simulated with computer code RELAP5 / MOD 3.3.2 gamma, the effect caused by partial and complete blockage of a channel in MTR fuel element of the IEA-R1 core, in order to analyzed the thermal hydraulic parameters on adjacent channels. (author)

  11. Bioenergy. The Impact of Indirect Land Use Change. Summary and Conclusions from the IEA Bioenergy ExCo63 Workshop

    International Nuclear Information System (INIS)

    Brown, A.; Tustin, J.

    2009-09-01

    This publication provides the summary and conclusions from the title workshop, held in conjunction with he meeting of the Executive Committee of IEA Bioenergy in Rotterdam, Netherlands, on 12 May 2009. The purpose of the workshop was to inform the Executive Committee on the rapidly evolving international debate on bioenergy and land use - particularly the thorny issue of indirect land use change. The aim was to stimulate discussion between the Executive Committee and invited experts and thereby enhance the new policy-oriented work within IEA Bioenergy.

  12. Non destructive burn up determination of IEA-R1 reactor fuel elements by gamma-ray spectrometry using a Ge(Li) detector

    International Nuclear Information System (INIS)

    Madi Filho, T.

    1982-01-01

    A non destructive determination of burn up of low (IEA-14) and high (IEA-80) activity fuel elements used in the IEA-R1 pool reactor was made from the measured distribution of the Cs-137 gamma-ray activity in these elements. For both series of measurements a 73,7 c.c. Ge(Li) detector was used in 'well collimated' geometry. Where as IEA-14, removed from the reactor some 20 years, showed a gamma-ray spectrum essentially due to Cs-137, IEA-80, with a cooling time of 5 years, showed a more complex spectrum due to the greater number of fission products remaining. The S.I out-of-pool assembly was calibrated using Cs-137 and Co-60 point and Ag-110m plane sources. These measurements provided the necessary constants used to calculate fuel burn-up from measured relative activity distributions of fuel elements. Detailed fuel plate transmission measurements made with the Cs-137 source showed the plates to be highly homogeneous. High activity fuel elements were measured in the S.II in-pool assembly in which the detector was locate on the moveable pool bridge and the test element was positioned immediately below the detector 2.17m below the pool surface. Measurements made in the S.II assembly were normalised with respect to the measured activity of the IEA-14 element. The measured burn up of the IEA-14 and IEA-80 elements obtained in this work is 3.22.10 - 3 gms and 24.44gms. These values may be compared with respective values of 2.63.10 - 3 gms and 61.11gms given by 'total reactor energy/flux distribution' calculations. Calculated errors for the U-235 burn up are 7.4% (IEA-14) and 10.1% (IEA-80). A detailed evaluation of the errors associated with both sets of measurements is given. (Author) [pt

  13. Dose-response analysis in the joint action of two effectors. A new approach to simulation, identification and modelling of some basic interactions.

    Directory of Open Access Journals (Sweden)

    Miguel Anxo Murado García

    Full Text Available In systems with several effectors, the results of dose-response (DR experiments are usually assessed by checking them against two hypotheses: independent action (IA and concentration addition (CA. Both are useful simplifications, but do not represent the only possible responses, and avoid to a large extent the analysis of the interactions that are possible in the system. In addition, these are often applied in such a way that they produce insufficient descriptions of the problem that raises them, frequent inconclusive cases and doubtful decisions. In this work a generative approach is attempted, starting from some simple mechanisms necessarily underlying the response of an elementary biological entity to an effector agent. A set of simulations is formulated next through an equally simple system of logical rules, and several families of virtual responses are thus generated. These families include typical responses of IA and CA modes of action, other ones not less probable from a physiological point of view, and even other derived from common and expectable forms of interactions. The analysis of these responses enabled, firstly, to relate some phenomenological regularities with some general mechanistic principles, and to detect several causes by which the IA-CA dualism is necessarily ambiguous. Secondly, it allowed identifying different forms of synergy and antagonism that contribute to explain some controversial aspects of these notions. Finally, it led to propose two sets of explicit algebraic equations that describe accurately a wide diversity of possible and realistic responses.

  14. Dose-Response Analysis in the Joint Action of Two Effectors. A New Approach to Simulation, Identification and Modelling of Some Basic Interactions

    Science.gov (United States)

    Murado García, Miguel Anxo; Prieto Lage, Miguel Ángel

    2013-01-01

    In systems with several effectors, the results of dose-response (DR) experiments are usually assessed by checking them against two hypotheses: independent action (IA) and concentration addition (CA). Both are useful simplifications, but do not represent the only possible responses, and avoid to a large extent the analysis of the interactions that are possible in the system. In addition, these are often applied in such a way that they produce insufficient descriptions of the problem that raises them, frequent inconclusive cases and doubtful decisions. In this work a generative approach is attempted, starting from some simple mechanisms necessarily underlying the response of an elementary biological entity to an effector agent. A set of simulations is formulated next through an equally simple system of logical rules, and several families of virtual responses are thus generated. These families include typical responses of IA and CA modes of action, other ones not less probable from a physiological point of view, and even other derived from common and expectable forms of interactions. The analysis of these responses enabled, firstly, to relate some phenomenological regularities with some general mechanistic principles, and to detect several causes by which the IA-CA dualism is necessarily ambiguous. Secondly, it allowed identifying different forms of synergy and antagonism that contribute to explain some controversial aspects of these notions. Finally, it led to propose two sets of explicit algebraic equations that describe accurately a wide diversity of possible and realistic responses. PMID:23637825

  15. Structural evaluation of IEA-R1 primary system pump nozzles

    Energy Technology Data Exchange (ETDEWEB)

    Fainer, Gerson; Faloppa, Altair A.; Oliveira, Carlos A. de; Mattar Neto, Miguel, E-mail: gfainer@ipen.br, E-mail: afaloppa@ipen.br, E-mail: calberto@ipen.br, E-mail: mmattar@ipen.br [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2017-11-01

    The IEA-R1 pumps of the primary coolant system may be required to withstand design and operational conditions. IEA-R1 nuclear research reactor is an open pool type reactor operated by IPEN since 1957. The reactor can be operated up to 5MW heating power since it was upgraded in a modernization program conducted by IPEN. The primary coolant system is composed by the piping system, decay tank, two heat pumps and two heat exchangers. In the latest arrangement upgrade of the primary system, conducted in 2014 as part of an aging management program, a partial replacement of the coolant piping and total replacement of piping and pump supports were done. As consequence, reviewed loads in the pump nozzles were obtained demanding a new evaluation of them. The aim of this report is to present the structural evaluation of the pump nozzles, considering the new loads coming from the new piping layout, according to: API 610 code verification, Supplier loads and structural analysis applying finite element method, by using the ANSYS computer program, regarding ASME VIII Div 1 & 2 recommendations. (author)

  16. Measurements and calculation of reactivity in the IEA-R1 nuclear reactor

    International Nuclear Information System (INIS)

    Ferreira, P.S.B.

    1988-01-01

    Techniques and experimentals procedures utilized in the measurement of some nuclear parameters related to reactivity are presented. Measurements of reactivity coefficients, such as void, temperature and power, and control rod worth were made in the IEA-R1 Research Reactor. The techniques used to perform the measurements were: i) stable period (control rod calibration), ii) inverse kinetics (digital reactivity meter), iii) aluminium slab insertion in the fuel element coolant channels (void reactivity), iv) nuclear reactor core temperature changes by means of the changes in the coolant systems of reactor core (isothermal reactivity coefficient) and v) by making perturbation in the core through the control rod motions (power reactivity coefficient and control rod calibration). By using the computer codes HAMMER, HAMMER-TECHNION and CITATION, the experiments realized in the IEA-R1 reactor were simulated. From this simulation, the theoretical reactivity parameters were estimated and compared with the respective experimental results. Furthermore, in the second fuel load of Angra-1 Nuclear Power Station, the IPEN-CNEN/SP digital reactivity - meter were used in the lower power test with the aim to assess the equipment performance. Among several tests, the reacticity-meter were used in parallel with a Westinghouse analogic reativimeter-meter) to measure the heat additiona point, critical boron concentration, control rod calibration, isothermal and moderator reactivity coefficient. These tests, and the results obtained by the digital reactivity-meter are described. The results were compared with those obtained by Westinghouse analogic reactivity meter, showing excellent agreement. (author) [pt

  17. FY1998 survey on IEA international cooperation project on demonstration and survey of new load leveling methods (participation in the IEA/DSM task VI); 1998 nendo fuka heijunka shinshuho jissho chosa IEA kokusai kyoryoku jigyo 'IEA/DSM task 6 eno sanka ni tsuite' chosa hokokusho

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-03-01

    It is intended to participate in the IEA international cooperation project related to DSA, exchange items of information, and promote demonstration and survey of new load leveling methods. The existing and newly proposed DSM mechanisms as the achievement of the previous tasks were put into order. The arena of information exchange and discussions was prepared through use of the Internet homepage for the IEA/DSM implementation agreement. Necessary official policies were also made available. Points of precautions when the mechanisms of other countries are used in Japan: the key to the success depends on social or cultural situations that work as the base; therefore, comparisons and analyses are necessary on such elements as customers as the object, energy projects and governments; compatibility of the situation and pattern of the demand side with the DSM technologies governs the reasonability thereof; the types of the mechanisms are narrowed down by size of the customer division, consumption pattern, electric power quality and safety, and needs on the flexibility; proliferation levels of the DSM technologies determine the appropriate mechanisms; and how the DSM is conceived against the final consumption is governed by the conception by both of the customers and the government. (NEDO)

  18. IEA-R1 research reactor: operational life extension and considerations regarding future decommissioning

    International Nuclear Information System (INIS)

    Frajndlich, Roberto

    2009-01-01

    The IEA-R1 reactor is a pool type research reactor moderated and cooled by light water and uses graphite and beryllium reflectors. The reactor is located at the Instituto de Pesquisas Energeticas e Nucleares (IPEN-CNEN/SP), in the city of Sao Paulo, Brazil. It is the oldest research reactor in the southern hemisphere and one of the oldest of this kind in the world. The first criticality of the reactor was obtained on September 16, 1957. Given the fact that Brazil does not have yet a definitive radioactive waste repository and a national policy establishing rules for the spent fuel storage, the institutions which operate the research reactors for more than 50 years in the country have searched internal solutions for continued operation. This paper describes the spent fuel assemblies and radioactive waste management process for the IEA-R1 reactor and the refurbishment and modernization program adopted to extend its lifetime. Some considerations about the future decommissioning of the reactor are also discussed which, in my opinion, might help the operating organization to make decisions about financial, legal and technical aspects of the decommissioning procedures in a time frame of 10-15 years(author)

  19. Conventional Oil and Gas Technologies. IEA ETSAP technology brief P01

    Energy Technology Data Exchange (ETDEWEB)

    Seljom, Pernille [IFE (Norway)], E-mail: pernille.seljom@ife.no

    2010-05-15

    This technology brief on conventional oil and gas technologies is part of a series produced by the IEA ETSAP agreement called the energy technology data source (E-Tech-DS). The E-Tech-DS series consists of a number of 5-10 page technology briefs similar to the IEA Energy Technology Essentials. Based on the data collected for the models that the Energy Technology Systems Analysis Programme (ETSAP) is known for, ETSAP also prepares technology briefs, called E-TechDS. The E-TechDS briefs are standardized presentations of basic information (process, status, performance, costs, potential, and barriers) for key energy technology clusters. Each brief includes an overview of the technology, charts and graphs, and a summary data table, and usually ending with some key references and further information. The E TechDS briefs are intended to offer essential, reliable and quantitative information to energy analysts, experts, policymakers, investors and media from both developed and developing countries. This specific brief focuses on the state of oil and gas exploration, development, and production/recovery technologies.

  20. A review of the IEA/NEA Projected Costs of Electricity – 2015 edition

    International Nuclear Information System (INIS)

    Khatib, Hisham

    2016-01-01

    The IEA/NEA recently issued their eighth edition of the Study on the “Projected Costs of Generating Electricity” – 2015 edition. The Study is mainly concerned with calculating the levelised cost of electricity (LCOE). The LCOE calculations are based on a levelised average life time cost approach using the discounted cash flow (DCF) method. The analysis was this year, and for the first time, performed using three discount rates (3%, 7%, and 10%). The LCOE can serve as a tool for calculating the cost of different generation technologies. However the Study's usefulness is affected by its narrow base of a limited set of countries that are not necessarily representative. It ignored the negative role of subsidies and did not provide a methodology for selective application of the discount rates and costing of carbon. The global power generation scene is changing. Generation growth in OECD countries has become very limited; simultaneously there is rapid growth of varying renewables (VRE) generation which needs special criteria for assessing its system cost. All this demands a rethinking of the application and usefulness of the LCOE in future generation planning. - Highlights: • LCOE is a useful tool for economics of generation technologies. • The IEA/NEA study did not cover fully the required criteria for assessment. • It ignored interpretation of: the discount rate, carbon costing and subsidies. • The world energy scene is changing, this requires reassessment of LCOE.

  1. An update of the Canadian initiatives of IEA Task 13 : demand response resources

    International Nuclear Information System (INIS)

    Malme, R. |; International Energy Agency, Paris

    2006-01-01

    The International Energy Agency Demand Side Management (IEA DSM) program is an international collaboration with 17 IEA member countries and the European Commission. The program aims to clarify and promote opportunities for DSM through load management, energy efficiency and strategic conservation. Task 13 of the program is charged with reviewing demand response resource (DRR) practices in various markets around the world and developing recommendations and tools for integrating DRR into regular market activities. The Ontario Power Authority (OPA), National Research Council (NRC) and CEA Technologies Inc. (CEATI) are leading participation in Task 13 in Canada. The team is currently collecting market information as well as creating tools to provide references to activities in other markets. This presentation reviewed the team's subtasks, which include: the development of DR market benchmarks and translation methods; the collection of DR consumer surveys and utilization methods; the creation of a DR market potential calculator to provide estimates for generating target marketing strategies; the creation of a valuation guide for technical users, administrators and regulators; a catalogue describing the technologies and systems that are available for use in DR programs; identifying market barriers; and the creation of a web portal that will be a virtual centre of excellence concerning DR methods, technologies and applications. DR programs in Norway, Finland, the Netherlands were also reviewed. refs., tabs., figs

  2. IEA-R1 primary and secondary coolant piping systems coupled stress analysis

    International Nuclear Information System (INIS)

    Fainer, Gerson; Faloppa, Altair A.; Oliveira, Carlos A.; Mattar Neto, Miguel

    2013-01-01

    The aim of this work is to perform the stress analysis of a coupled primary and secondary piping system of the IEA-R1 based on tridimensional model, taking into account the as built conditions. The nuclear research reactor IEA-R1 is a pool type reactor projected by Babcox-Willcox, which is operated by IPEN since 1957. The operation to 5 MW power limit was only possible after the conduction of life management and modernization programs in the last two decades. In these programs the components of the coolant systems, which are responsible for the water circulation into the reactor core to remove the heat generated inside it, were almost totally refurbished. The changes in the primary and secondary systems, mainly the replacement of pump and heat-exchanger, implied in piping layout modifications, and, therefore, the stress condition of the piping systems had to be reanalyzed. In this paper the structural stress assessment of the coupled primary and secondary piping systems is presented and the final results are discussed. (author)

  3. Development of a training simulator to operators of the IEA-R1 research reactor

    International Nuclear Information System (INIS)

    Carvalho, Ricardo Pinto de

    2006-01-01

    This work reports the development of a Simulator for the IEA-R1 Research Reactor. The Simulator was developed with Visual C++ in two stages: construction of the mathematics models and development and configuration of graphics interfaces in a Windows XP executable. A simplified modeling was used for main physics phenomena, using a point kinetics model for the nuclear process and the energy and mass conservation laws in the average channel of the reactor for the thermal hydraulic process. The dynamics differential equations were solved by using finite differences through the 4th order Runge- Kutta method. The reactivity control, reactor cooling, and reactor protection systems were also modeled. The process variables are stored in ASCII files. The Simulator allows navigating by screens of the systems and monitoring tendencies of the operational transients, being an interactive tool for teaching and training of IEA-R1 operators. It also can be used by students, professors, and researchers in teaching activities in reactor and thermal hydraulics theory. The Simulator allows simulations of operations of start up, power maneuver, and shut down. (author)

  4. Analysis of Mexico wind tunnel measurements. Final report of IEA Task 29, Mexnext (Phase 1)

    Energy Technology Data Exchange (ETDEWEB)

    Schepers, J.G.; Boorsma, K. [Energy research Center of the Netherlands ECN, Petten (Netherlands); Cho, T. [Korea Aerospace Research Institute KARI, Daejeon (Korea, Republic of); Gomez-Iradi, S. [National Renewable Energy Center of Spain CENER, Sarriguren (Spain); Schaffarczyk, P. [A. Jeromin University of Applied Sciences, CEWind EG, Kiel (Germany); Shen, W.Z. [The Technical University of Denmark, Kongens Lyngby (Denmark); Lutz, T. [K. Meister University of Stuttgart, Stuttgart (Germany); Stoevesandt, B. [ForWind, Zentrum fuer Windenergieforschung, Oldenburg (Germany); Schreck, S. [National Renewable Energy Laboratory NREL, Golden, CO (United States); Micallef, D.; Pereira, R.; Sant, T. [Delft University of Technology TUD, Delft (Netherlands); Madsen, H.A.; Soerensen, N. [Risoe-DTU, Roskilde (Denmark)

    2012-02-15

    This report describes the work performed within the first phase of IEA Task 29 Mexnext. In this IEA Task 29 a total of 20 organisations from 11 different countries collaborated in analysing the measurements which have been performed in the EU project 'Mexico'. Within this Mexico project 9 European institutes carried out a wind tunnel experiment in the Large Low Speed Facility (LLF) of the German Dutch Wind Facilities DNW on a rotor with a diameter of 4.5 m. Pressure distributions were measured at five locations along the blade along with detailed flow field measurements around the rotor plane using stereo PIV. As a result of the international collaboration within this task a very thorough analysis of the data could be carried out and a large number of codes were validated not only in terms of loads but also in terms of underlying flow field. The detailed pressure measurements along the blade in combination with the detailed flow field measurements gave a unique opportunity to better understand the response of a wind turbine to the incoming flow field. Deficiencies in modelling have been established and directions for model improvement can be given.

  5. Experience and research with the IEA-R1 Brazilian reactor

    International Nuclear Information System (INIS)

    Fulfaro, R.; Sousa, J.A. de; Nastasi, M.J.C.; Vinhas, L.A.; Lima, F.W.

    1982-06-01

    The IEA-R1 reactor of the Instituto de Pesquisas Energeticas e Nucleares, IPEN, of Sao Paulo, Brazil, a lightwater moderated swimming-pool research reactor of MTR type, went critical for the first time on September 16, 1957. In a general way, in these twenty four years the reactor was utilized without interruption by users of IPEN and other institutions, for the accomplishment of work in the field of applied and basic research, for master and doctoral thesis and for technical development. Some works performed and the renewal programme established for the IEA-R1 research reactor in which several improvements and changes were made. Recent activities in terms of production of radioisotopes and some current research programm in the field of Radiochemistry are described, mainly studies and research on chemical reactions and processes using radioactive tracers and development of radioanalytical methods, such as neutron activation and isotopic dilution. The research programmes of the Nuclear Physics Division of IPEN, which includes: nuclear spectroscopy studies and electromagnetic hyperfine interactions; neutron diffraction; neutron inelastic scattering studies in condensed matter; development and application of the technique of fission track register in solid state detectors; neutron radioactive capture with prompt gamma detection and, finally, research in the field of nuclear metrology, are presented. (Author) [pt

  6. Experience and research with the IEA-R1 Brazilian reactor

    International Nuclear Information System (INIS)

    Fulfaro, R.; Sousa, J.A. de; Nastasi, M.J.C.; Vinhas, L.A.; Lima, F.W. de.

    1982-06-01

    The IEA-R1 reactor of the Instituto de Pesquisas Energeticas e Nucleares, IPEN, of Sao Paulo, Brazil, a lighwater moderated swimming-pool research reactor of MTR type, went critical for the first time on September 16, 1957. In a general way, in these twenty four years the reactor was utilized without interruption by users of IPEN and other institutions, for the accomplishment of work in the field of applied and basic research, for master and doctoral thesis and for technical development. Some works performed and the renewal programme established for the IEA-R1 research reactor in which several improvements and changes were made. Recent activities in terms of production of radioisotopes and some current research programm in the field of Radiochemistry are described, mainly studies and research on chemical reactions and processes using radioactive tracers and development of radioanalytical methods, such as neutron activation and isotopic dilution. It is also presented the research programmes of the Nuclear Physics Division of IPEN, which includes: nuclear spectroscopy studies and electromagnetic hyperfine interactions; neutron diffraction; neutron inelastic scattering studies in condensed matter; development and application of the technique of fission track register in solid state detectors; neutron radioactive capture with prompt gamma detection and, finally, research in the field of nuclear metrology. (Author) [pt

  7. Structural evaluation of IEA-R1 primary system pump nozzles

    International Nuclear Information System (INIS)

    Fainer, Gerson; Faloppa, Altair A.; Oliveira, Carlos A. de; Mattar Neto, Miguel

    2017-01-01

    The IEA-R1 pumps of the primary coolant system may be required to withstand design and operational conditions. IEA-R1 nuclear research reactor is an open pool type reactor operated by IPEN since 1957. The reactor can be operated up to 5MW heating power since it was upgraded in a modernization program conducted by IPEN. The primary coolant system is composed by the piping system, decay tank, two heat pumps and two heat exchangers. In the latest arrangement upgrade of the primary system, conducted in 2014 as part of an aging management program, a partial replacement of the coolant piping and total replacement of piping and pump supports were done. As consequence, reviewed loads in the pump nozzles were obtained demanding a new evaluation of them. The aim of this report is to present the structural evaluation of the pump nozzles, considering the new loads coming from the new piping layout, according to: API 610 code verification, Supplier loads and structural analysis applying finite element method, by using the ANSYS computer program, regarding ASME VIII Div 1 & 2 recommendations. (author)

  8. Policy Pathways: Joint Public-Private Approaches for Energy Efficiency Finance

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-09-06

    This Policy Pathway outlines, through the experiences and lessons learned from country examples, the critical elements to put in place a public-private partnership to finance energy efficiency. It focuses on three mechanisms - dedicated credit lines, risk guarantees, and energy performance service contracts and presents the planning, implementing, monitoring, and evaluating phases of implemention. Accelerating and scaling up private investment in energy efficiency is crucial to exploit the potential of energy efficiency. However many barriers remain to private investment such as access to capital, uncertainty of future energy prices, transaction costs, perceived higher risk, and lack of knowledge. As part of the IEA 25 Energy Efficiency Policy Recommendations, the IEA recommends that governments support private investment in energy efficiency. A joint public-private approach can use public finance and regulatory policy to support the scaling up of private investment in energy efficiency.

  9. Report on a survey in fiscal 1999. Analysis of materials related to IEA Greenhouse Gas R and D Program (IEA/GHG); 1999 nendo EIA/GHG kanren shiryo bunseki chosa hokokusho

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-03-01

    Materials related to IEA Greenhouse Gas Rand D Program (IEA/GHG) were analyzed. The Sleipner carbon dioxide underground storage workshop is acting to narrow themes for understanding the technologies, observation methods, and research activities. The IEA/GHG has verified the known facts about ocean storage of carbon dioxide, and discussed the important development targets. Researches were made on improving methane recovery efficiency and the possibility of sealing carbon dioxide by injecting carbon dioxide in order to improve recovery of carbon bed methane. The IEA/GHG has developed a methodology for complete fuel cycles of LNG, and evaluated cost and benefit of reducing greenhouse effect gas emission. A process combining electric power generation, carbon dioxide absorption and hot heat energy utilization can reduce emission of carbon dioxide into atmosphere at relatively low cost and low energy loss. The paper also describes reduction of greenhouse effect gas emitted from cement factories, petroleum refining and petro-chemical industries, and offshore petroleum and gas facilities. It also describes influence of forestry on carbon absorption and timber markets. Case studies have discussed effects of modifying power generation plants. (NEDO)

  10. Summary of IEA-R1 research a reactor licensing related to its power increase from 2 to 10 MW

    International Nuclear Information System (INIS)

    1989-04-01

    This work is a summary of IEA-R1 research reactor licensing related to its power increase from 2 to 10 MW. It reports also safety requirements, fuel elements, and reactor control modifications inherent to power increase. (A.C.A.S.)

  11. Modifications in the operational conditions of the IEA-R1 reactor under continuous 48 hours operation

    International Nuclear Information System (INIS)

    Moreira, Joao Manoel Losada; Frajndlich, Roberto

    1995-01-01

    This work shows the required changes in the IEA-R1 reactor for operation at 2 Mw, 48 hours continuously. The principal technical change regards the operating conditions of the reactor, namely, the required excess reactivity which now will amount to 4800 pcm in order to compensate the Xe poisoning at equilibrium at 2 Mw. (author). 6 refs, 1 fig, 1 tab

  12. Student Achievement Study, 1970-1974. The IEA Six-Subject Data Bank [machine-readable data file].

    Science.gov (United States)

    International Association for the Evaluation of Educational Achievement, Stockholm (Sweden).

    The "Student Achievement Study" machine-readable data files (MRDF) (also referred to as the "IEA Six-Subject Survey") are the result of an international data collection effort during 1970-1974 by 21 designated National Centers, which had agreed to cooperate. The countries involved were: Australia, Belgium, Chile, England-Wales,…

  13. The IEA/DGEMP cycle of energy policy conferences. The world energy outlook in 2030: where are the trends leading?

    International Nuclear Information System (INIS)

    Birol, F.

    2005-01-01

    Report from the 11. meeting chaired by Claude Mandil, the executive director of the International Energy Agency (IEA) and Dominique Maillard, the General Manager for Energy and Raw Materials, on February 15 2005 at the Centre Pierre Mendes France (Ministry of the Economy, Finance and Industry), Paris. (author)

  14. Norwegian contribution to the IEA Annex 24 - Absorption Machines for Heating and Cooling; IEA annex 24. Absorpsjonsmaskin for oppvarming og kjoeling

    Energy Technology Data Exchange (ETDEWEB)

    Grandum, Svein

    2000-01-01

    This report summarizes the Norwegian contribution to the IEA Annex 24 - Absorption Machines for Heating and Cooling in Future Energy Systems. Thermally operated heat pumps and coolers have not been widely used in Norway. They are not economically competitive compared to compression heat pumps because of Norway's cheap hydroelectric power. If the present trend in Norway's use of electricity persists, Norway will soon be dependent on imported electric power. This calls for measures to reduce the consumption of electricity, and the role of absorption heat pumps will be of increasing importance, especially for cooling purposes. For larger commercial buildings that require climate cooling, absorption coolers based on waste heat may have a good total economy. Industrial processes that have an excess of heat at a high temperature and which need cooling, may profit from the use of this type of cooler. Information dissemination is important for efficient use of this technology. The research work done at Institute of energy technology, Kjeller, Norway, is an important contribution to this end.

  15. Innovation in the energy sector: Lessons learnt from R and D expenditures and patents in selected IEA countries

    International Nuclear Information System (INIS)

    Bointner, Raphael

    2014-01-01

    Long time series of the IEA and international patent offices offer a huge potential for scientific investigations of the energy innovation process. Thus, this paper deals with a broad literature review on innovation drivers and barriers, and an analysis of the knowledge induced by public research and development expenditures (R and D) and patents in the energy sector. The cumulative knowledge stock induced by public R and D expenditures in 14 investigated IEA-countries is 102.3 bn EUR in 2013. Nuclear energy has the largest share of 43.9 bn EUR, followed by energy efficiency accounting for 14.9 bn EUR, fossil fuels with 13.5 bn EUR, and renewable energy with 12.1 bn EUR. A regression analysis indicates a linear relation between the GDP and the cumulative knowledge, with each billion EUR of GDP leading to an additional knowledge of 3.1 mil EUR. However, linearity is not given for single energy technologies. Further, the results show that appropriate public R and D funding for research and development associated with a subsequent promotion of the market diffusion of a niche technology may lead to a breakthrough of the respective technology. - Highlights: • The cumulative energy knowledge stock in 14 IEA-countries is 102.3 bn EUR in 2013. • Each billion EUR of GDP lead to an additional knowledge of 3.1 mil EUR. • Medium IEA-countries may compete with large ones by promoting a niche strategy. • Patent knowledge grew 5.9 times in medium and 5.6 in large IEA-countries since 1990

  16. The need for combining IEA and IE tools. The potential effects of a global ban on PVC on climate change

    International Nuclear Information System (INIS)

    Kleijn, Rene; Van der Voet, Ester; Udo de Haes, Helias A.

    2008-01-01

    Over the last decades the concepts of Integrated Environmental Assessment (IEA) and Industrial Ecology (IE), both claiming to provide analyses and solutions for sustainability issues, have been developed separately as they emerged in response to questions from different policy-fields. In both fields, specific tools are used to support national and international environmental policy. The focus of IEA and IE tools, however, is different. IEA tools focus on one or a limited number of specific environmental issues. They often model the chain environmental processes with high spatial (and temporal) resolution, but have a low resolution for the material structure of the economy and only partly take into account indirect effects that occur via physical and socio-economic linkages. IE tools take into account all environmental issues related to a specific substance or product. They have a high resolution for the material structure of the economy and take into account indirect effects that occur via physical linkages, however, their environmental modelling is very limited. Both IE and IEA tools have proven to be very useful and neither is superior to the other. However, a combination of both can provide additional information that can be used for more effective policy making. We use the case of a hypothetical world-wide ban on PVC to show that a measure that is not directly related to climate change could still have significant climate effects. This indirect effect is a result of the linkages of material flows in society. We show that IEA tools are not well suited to include these types of effects and that IE tools can fill this gap partially. What is really needed is a broader systems perspective that takes into account the full range of possible side-effects of environmental policy measures. (author)

  17. Solar heating cooling. Preparation of possible participation in IEA, Solar Heating Cooling Task 25

    International Nuclear Information System (INIS)

    2001-03-01

    For the Danish solar heating industries it is interesting to discuss the domestic market possibilities and the export possibilities for solar heating cooling systems. The Danish solar heating sector also wants to participate in the international collaboration within IEA Solar Heating and Cooling Task 25 'Solar Assisted Air Conditioning of Buildings'. The Danish Energy Agency therefore has granted means for this project to discuss: The price of cooling for 3 different solar cooling methods (absorption cooling, desiccant cooling and ejector cooling); Market possibilities in Denmark and abroad; The advantages by Danish participation in IEA Task 25. The task has been solved through literature studies to establish status for the 3 technologies. It turned out that ejector cooling by low temperatures (85 deg. C from the solar collector) exists as pilot plants in relation to district heating, but is still not commercial accessible. Desiccant cooling, where the supplied heat has temperatures down to 55 deg. C is a well-developed technology. However only a handful of pilot plants with solar heating exists, and thus optimization relating to operation strategy and economy is on the experimental stage. Absorption cooling plants driven by solar heating are found in a large number in Japan and are also demonstrated in several other countries. The combination of absorption heating pump and solar heating is considered to be commercial accessible. Solar heating is interesting as heat source of to the extent that it can replace other sources of heat without the economy being depreciated. This can be the case in South Europe if: 1) oil or natural gas is used for heating; 2) a solar heating system already exists, e.g. for domestic water supply, and is installed so that the marginal costs by solar heating supply of the ventilation plant is reduced. All in all the above conditions mean that the market for solar heating for cooling is very limited in Europe, where almost everybody are

  18. Digital Systems Implemented at the IPEN Nuclear Research Reactor (IEA-R1): Results and Necessities

    International Nuclear Information System (INIS)

    Nahuel-Cardenas, Jose-Patricio; Madi-Filho, Tufic; Ricci-Filho, Walter; Rodrigues-de-Carvalho, Marcos; Lima-Benevenuti, Erion-de; Gomes-Neto, Jose

    2013-06-01

    (Nuclear and Energy Research Institute) was founded in 1956 with the main purpose of doing research and development in the field of nuclear energy and its applications. It is located at the campus of University of Sao Paulo (USP), in the city of Sao Paulo, in an area of nearly 500, 000 m2. It has over 1.000 employees and 40% of them have qualification at master or doctor level The institute is recognized as a national leader institution in research and development (R and D) in the areas of radiopharmaceuticals, industrial applications of radiation, basic nuclear research, nuclear reactor operation and nuclear applications, materials science and technology, laser technology and applications. Along with the R and D, it has a strong educational activity, having a graduate program in Nuclear Technology, in association with the University of Sao Paulo, ranked as the best university in the country. The Federal Government Evaluation institution CAPES, granted to this course grade 6, considering it a program of Excellence. This program started at 1976 and has awarded 458 Ph.D. degrees and 937 master degrees since them. The actual graduate enrollment is around 400 students. One of major nuclear installation at IPEN is the IEA-R1 research reactor; it is the only Brazilian research reactor with substantial power level suitable for its utilization in researches concerning physics, chemistry, biology and engineering as well as for producing some useful radioisotopes for medical and other applications. IEA-R1 reactor is a swimming pool type reactor moderated and cooled by light water and uses graphite and beryllium as reflectors. The first criticality was achieved on September 16, 1957. The reactor is currently operating at 4.5 MW power level with an operational schedule of continuous 64 hours a week. In 1996 a Modernization Program was started to establish recommendations in order to mitigate equipment and structures ageing effects in the reactor components, detect and evaluate

  19. Temporomandibular joint

    International Nuclear Information System (INIS)

    Westesson, P.L.; Hatala, M.; Tallents, R.H.; Katzberg, R.W.; Musgrave, M.; Levitt, S.

    1990-01-01

    This paper determines the frequency of MR signs of abnormal temporomandibular joints (TMJs) in asymptomatic volunteers. Forty-two volunteers with 84 clinically normal TMJs were imaged in the sagittal and coronal planes with surface coil MR imaging. Sagittal closed and open and coronal closed views were obtained bilaterally in all volunteers. The images were classified as normal (superior disk position) or abnormal (disk displacement of degenerative joint disease). Eighteen joints in 11 volunteers were abnormal; 12 had disk displacement with reduction and six had disk displacement without reduction, with associated degenerative joint disease in three of the six. Asymptomatic internal derangement and degenerative joint disease occur in about one-fourth of asymptomatic volunteers

  20. Nuclear research reactor IEA-R1 heat exchanger inlet nozzle flow - a preliminary study

    International Nuclear Information System (INIS)

    Angelo, Gabriel; Andrade, Delvonei Alves de; Fainer, Gerson; Angelo, Edvaldo

    2009-01-01

    As a computational fluid mechanics training task, a preliminary model was developed. ANSYS-CFX R code was used in order to study the flow at the inlet nozzle of the heat exchanger of the primary circuit of the nuclear research reactor IEA-R1. The geometry of the inlet nozzle is basically compounded by a cylinder and two radial rings which are welded on the shell. When doing so there is an offset between the holes through the shell and the inlet nozzle. Since it is not standardized by TEMA, the inlet nozzle was chosen for a preliminary study of the flow. Results for the proposed model are presented and discussed. (author)

  1. IEA Wind Task 32: Wind lidar identifying and mitigating barriers to the adoption of wind lidar

    DEFF Research Database (Denmark)

    Clifton, Andrew; Clive, Peter; Gottschall, Julia

    2018-01-01

    IEA Wind Task 32 exists to identify and mitigate barriers to the adoption of lidar for wind energy applications. It leverages ongoing international research and development activities in academia and industry to investigate site assessment, power performance testing, controls and loads, and complex...... flows. Since its initiation in 2011, Task 32 has been responsible for several recommended practices and expert reports that have contributed to the adoption of ground-based, nacelle-based, and floating lidar by the wind industry. Future challenges include the development of lidar uncertainty models......, best practices for data management, and developing community-based tools for data analysis, planning of lidar measurements and lidar configuration. This paper describes the barriers that Task 32 identified to the deployment of wind lidar in each of these application areas, and the steps that have been...

  2. Use of self powered neutron detectors in the IEA-R1 reactor

    International Nuclear Information System (INIS)

    Galo Rocha, F. del.

    1989-01-01

    A survey of self-powered neutron detectors, SPND, which are used as part of the in-core instrumentation of nuclear reactors is presented. Measurements with Co and Er SPND's were made in the IEA-R1 reactor for determining the neutron flux distribution and the integral reactor power. Due to the size of the available detectors, the neutron flux distribution could not be obtained with accuracy. The results obtained in the reactor power measurements demonstrate that the SPND have the linearity and the quick response necessary for a reactor power channel. This work also presents a proposed design of a SPND using Pt as wire emissor. This proposed design is based in the experience gained in building two prototypes. The greatest difficulties encountered include materials and technology to perform the delicate weldings. (author)

  3. 26th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE)

    CERN Document Server

    Bosse, Tibor; Hindriks, Koen; Hoogendoorn, Mark; Jonker, Catholijn; Treur, Jan; Contemporary Challenges and Solutions in Applied Artificial Intelligence

    2013-01-01

      Since its origination in the mid-twentieth century, the area of Artificial Intelligence (AI) has undergone a number of developments. While the early interest in AI was mainly triggered by the desire to develop artifacts that show the same intelligent behavior as humans, nowadays scientists have realized that research in AI involves a multitude of separate challenges, besides the traditional goal to replicate human intelligence. In particular, recent history has pointed out that a variety of ‘intelligent’ computational techniques, part of which are inspired by human intelligence, may be successfully applied to solve all kinds of practical problems. This sub-area of AI, which has its main emphasis on applications of intelligent systems to solve real-life problems, is currently known under the term Applied Intelligence.   The objective of the International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE) is to promote and disseminate recent research ...

  4. Renewable energy: RD&D priorities. Insights from IEA technology programmes

    Energy Technology Data Exchange (ETDEWEB)

    none

    2006-12-19

    In order to substantially enhance the share of renewable energy technologies in the energy portfolio, it is imperative to accelerate technological advancement and subsequently reduce costs, in combination with novel applications and deployment. This outcome can be significantly supported by a range of RD and D initiatives, if properly designed and implemented. This publication reviews the current status of the renewable energy technologies portfolio and provides guidance on their mid- and long-term development. The study explores the options for the RD&D to achieve breakthroughs that will lead to large-scale markets and identifies what activities should take priority. It also looks at the benefits of increased RD&D funding in terms of technological advancement and cost improvement. It covers renewable energy technologies in the early research stage through to those that have reached a level of maturity. It also lists national renewable energy RD and D trends in IEA member countries.

  5. 5. IEA International workshop on beryllium technology for fusion. Book of abstracts

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-07-01

    The collection includes the abstracts of reports presented to the 5-th IEA international workshop on beryllium technology for fusion. The themes of reports are as follows: status of beryllium technology for fusion in Russia; manufacturing and testing of Be armoured first wall mock-up for ITER; development of the process of diffusion welding of metals stainless steel-copper-beryllium into a single composite; some features of beryllium-laser beam interaction; the effect of irradiation dose on tritium and helium release from neutron irradiated beryllium; thermal properties of neutron irradiated Be{sub 12}Ti. The results of investigating the mechanical properties variation and swelling of beryllium under high temperature neutron irradiation are presented.

  6. 5. IEA International workshop on beryllium technology for fusion. Book of abstracts

    International Nuclear Information System (INIS)

    2001-01-01

    The collection includes the abstracts of reports presented to the 5-th IEA international workshop on beryllium technology for fusion. The themes of reports are as follows: status of beryllium technology for fusion in Russia; manufacturing and testing of Be armoured first wall mock-up for ITER; development of the process of diffusion welding of metals stainless steel-copper-beryllium into a single composite; some features of beryllium-laser beam interaction; the effect of irradiation dose on tritium and helium release from neutron irradiated beryllium; thermal properties of neutron irradiated Be 12 Ti. The results of investigating the mechanical properties variation and swelling of beryllium under high temperature neutron irradiation are presented [ru

  7. From Oil Crisis to Climate Change. Understanding CO2 Emission Trends in IEA Countries

    International Nuclear Information System (INIS)

    Unander, F.

    2003-11-01

    OECD CO2 emissions from fuel combustion increased 13% between 1990 and 2001. This signals an important shift since, over the 1973 to 1990 period, emissions only increased by 3.4%. As a result, CO2 emissions from energy use (fuel combustion) contributed 81.1% of total OECD greenhouse gas emissions in 2001 compared to 77.7% in 1990. As these figures make clear, reducing CO2 emissions from fuel combustion constitutes a key challenge to combat climate change. Developing and successfully implementing the most efficient policies for reducing CO2 emissions requires a good understanding of how factors such as income, prices, demography, economic structure, lifestyle, climate, energy efficiency and fuel mix affect energy use and resulting CO2 emissions. This paper presents selected results from the analysis of CO2 developments included in the IEA publication 'From Oil Crisis to Climate Challenge: 30 Years of Energy Use in IEA Countries'. The paper gives a brief overview of aggregate CO2 emission trends and of how recent developments in selected IEA countries compare to emissions levels implied by the Kyoto targets. A deeper understanding of the aggregate trends is provided by showing results from a decomposition analysis and by discussing developments in key end-use sectors. The full publication presents a more detailed analysis of how various factors have shaped energy use patterns and CO2 emissions since 1973. The analysis draws on a newly developed database with detailed information on energy use in the manufacturing, household, service and transport sectors. The database represents the most disaggregated information available on a consistent basis across countries and sectors. The study uses quantitative measures to illustrate the forces that drive or restrain energy use. These measures - or indicators - include: activities such as manufacturing output or heated-floor-area of homes; structural developments such as changes in manufacturing output mix or changes in the

  8. A new IEA document for the measurement of noise immission from wind turbines at receptor locations

    International Nuclear Information System (INIS)

    Ljunggren, Sten

    1999-01-01

    A new IEA guide on acoustic noise was recently completed by an international expert group. In this guide, several practical and reliable methods for determining wind turbine noise immission at receptor locations are presented: three methods for equivalent continuous A-weighted sound pressure levels and one method for A-weighted percentiles. In the most ambitious method for equivalent sound levels, the noise is measured together with the wind speed at two locations: one at the microphone and the other at the turbine site. With this approach, the turbine levels can be corrected for background sound and the immission level can be determined at a certain target speed. Special importance is attached to the problem of correcting for background noise and to techniques for improving the signal-to-noise ratio. Thus, six methods are described which can be used in difficult situations

  9. CSP electricity cost evolution and grid parities based on the IEA roadmaps

    International Nuclear Information System (INIS)

    Hernández-Moro, J.; Martínez-Duart, J.M.

    2012-01-01

    The main object of this paper consists in the development of a mathematical closed-form expression for the evaluation, in the period 2010–2050, of the levelized costs of energy (LCOE) of concentrating solar power (CSP) electricity. For this purpose, the LCOE is calculated using a life-cycle cost method, based on the net present value, the discounted cash flow technique and the technology learning curve approach. By this procedure, the LCOE corresponding to CSP electricity is calculated as a function of ten independent variables. Among these parameters, special attention has been put on the evaluation of the available solar resource, the analysis of the IEA predicted values for the cumulative installed capacity, the initial (2010) cost of the system, the discount and learning rates, etc. One significant contribution of our work is that the predicted evolution of the LCOEs strongly depend, not only on the particular values of the cumulative installed capacity function in the targeted years, but mainly on the specific curved time-paths which are followed by this function. The results obtained in this work are shown both graphically and numerically. Finally, the implications that the results could have in energy planning policies and grid parity calculations are discussed. - Highlights: ► A mathematical closed expression has been developed for calculating the evolution of CSP electricity costs. ► Our technique for the prediction of CSP electricity costs and grid parities is based on IEA Roadmaps. ► The time-table (2010–2050) of cumulative installed CSP capacity is key to electricity cost predictions. ► CSP grid parities can occur within next decade for sites with proper solar resources.

  10. Characterization of cartridge filters from the IEA-R1 Nuclear Reactor

    International Nuclear Information System (INIS)

    2015-01-01

    The management of radioactive waste ensures safety to human health and the environment nowadays and for the future, without overwhelming the upcoming generations. The primary characterization of radioactive waste is one of the main steps in the management of radioactive waste. This step permits to choose the best treatment for the radioactive waste before forwarding it to its final disposal. The aim of the present work is the primary characterization of cartridge filters from the IEA-R1 nuclear reactor utilizing gamma-ray spectrometry, and the method of Monte Carlo for calibration. The IEA-R1 is located in the Nuclear and Energy Research Institute (IPEN - CNEN) in the city of Sao Paulo, Brazil. Cartridge filters are used for purification of the cooling water that is pumped through the core of the pool type nuclear research reactors. Once worn out, these filters are replaced and then become radioactive waste. Determination of the radioactive inventory is of paramount importance in the management of such radioactive waste, and one of the main methods for doing so is the gamma-ray spectrometry, which can identify and quantify high energy photon emitters. The technique chosen for the characterization of radioactive waste in the present work is the gamma-ray spectrometry with High purity Germanium (HPGe) detectors. From the energy identified in the experimental spectrum, three radioisotopes were identified in the cartridge filter: 108m Ag, 110m Ag, 60 Co. For the estimated activity of the filter, the calibration in efficiency was made utilizing the MCNP4C code of the Monte Carlo method. Such method was chosen because there is no standard source available in the same geometry of the cartridge filter, therefore a simulation had to be developed in order to reach a calibration equation, necessary to estimate the activity of the radioactive waste. The results presented an activity value in the order of MBq for all radioisotopes. (authors)

  11. Characterization of cartridge filters from the IEA-R1 Nuclear Reactor

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2015-07-01

    The management of radioactive waste ensures safety to human health and the environment nowadays and for the future, without overwhelming the upcoming generations. The primary characterization of radioactive waste is one of the main steps in the management of radioactive waste. This step permits to choose the best treatment for the radioactive waste before forwarding it to its final disposal. The aim of the present work is the primary characterization of cartridge filters from the IEA-R1 nuclear reactor utilizing gamma-ray spectrometry, and the method of Monte Carlo for calibration. The IEA-R1 is located in the Nuclear and Energy Research Institute (IPEN - CNEN) in the city of Sao Paulo, Brazil. Cartridge filters are used for purification of the cooling water that is pumped through the core of the pool type nuclear research reactors. Once worn out, these filters are replaced and then become radioactive waste. Determination of the radioactive inventory is of paramount importance in the management of such radioactive waste, and one of the main methods for doing so is the gamma-ray spectrometry, which can identify and quantify high energy photon emitters. The technique chosen for the characterization of radioactive waste in the present work is the gamma-ray spectrometry with High purity Germanium (HPGe) detectors. From the energy identified in the experimental spectrum, three radioisotopes were identified in the cartridge filter: {sup 108m}Ag, {sup 110m}Ag, {sup 60}Co. For the estimated activity of the filter, the calibration in efficiency was made utilizing the MCNP4C code of the Monte Carlo method. Such method was chosen because there is no standard source available in the same geometry of the cartridge filter, therefore a simulation had to be developed in order to reach a calibration equation, necessary to estimate the activity of the radioactive waste. The results presented an activity value in the order of MBq for all radioisotopes. (authors)

  12. We keep on truckin': Trends in freight energy use and carbon emissions in 11 IEA countries

    International Nuclear Information System (INIS)

    Eom, Jiyong; Schipper, Lee; Thompson, Lou

    2012-01-01

    Based on detailed national and international data on freight transportation, we analyze trends in freight CO 2 emissions in 11 IEA countries from the earliest year of data availability to 2007–2010. The cross-country comparison of the freight transportation sector indicates that per capita CO 2 emissions span a wide range and are mostly determined by local needs without full knowledge or coordination with policies and practices in other countries. Over the last several decades, while many developed countries have experienced decreased coupling between total freight activity (measured in tonne-km) and income, no major indication of decreased coupling between trucking and income was found. Rather, the coupling has been strengthened in many countries due to a continued increase in the share of trucking in total freight activity. The energy intensity of trucking has exhibited very large variation among the countries, and its recent international trends are mixed, providing greater challenges to reduce freight CO 2 emissions. Modal shift toward rail away from truck presents a sizeable opportunity to reduce freight CO 2 emissions, although the potential gain varies widely among the countries. - Highlights: ► We analyze trends in freight CO 2 emissions in 11 IEA countries. ► Many of them experienced decreased coupling between freight and income. ► No major indication of decoupling was found between trucking and income. ► The energy intensity of trucking exhibited very large variation. ► The trends of trucking energy intensity are mixed. ► There is a huge opportunity of reducing emissions by shifting toward rail.

  13. Joint diseases

    International Nuclear Information System (INIS)

    Weissman, S.D.

    1989-01-01

    The authors discuss how x-ray examination is essential in the diagnosis and evaluation of the arthritides. Most arthritides are first suspected by the clinician, and x-ray evaluation of these entities along with laboratory testing is important for confirmation of the clinical diagnosis and in staging of the disease process. Several arthritides are often diagnosed first by the podiatrist on x-ray evaluation, including pseudogout, ankylosing spondylitis, early rheumatoid arthritis, degenerative joint disease, and tuberculosis of bone. The joint responds to insult in only a limited number of ways that become apparent on x-ray. The soft tissues surrounding the joint, the articulating bones, and alignment of the joint space may all be involved by the arthritic process. On roentgenographic examination, the soft tissues must be examined for edema, masses, calcifications, and atrophy. The articulating bones must be examined for demineralization, erosions, osteophytes, periosteal reaction, cysts and sclerosis

  14. Joint pain

    Science.gov (United States)

    ... or conditions. It may be linked to arthritis , bursitis , and muscle pain . No matter what causes it, ... Autoimmune diseases such as rheumatoid arthritis and lupus Bursitis Chondromalacia patellae Crystals in the joint: Gout (especially ...

  15. Joint Commission

    Science.gov (United States)

    ... for the latest publication of The Joint Commission Journal on Quality and Patient Safety (JQPS). . How We Work Process improvement program breeds quality culture, empowers staff An article in Quality Progress, June ...

  16. Study of human factors, and its basic aspects focusing the IEA-R1 research reactor operators, aiming at the prevention of accidents caused by human failures

    International Nuclear Information System (INIS)

    Martins, Maria da Penha Sanches

    2008-01-01

    This work presents a study of human factors and possible human failure reasons that can cause incidents, accidents and workers exposition, associated to risks intrinsic to the profession. The objective is to contribute with the operators of IEA-R1 reactor located at IPEN CNEN/S P. Accidents in the technological field, including the nuclear, have shown that the causes are much more connected to human failure than to system and equipment failures, what has led the regulatory bodies to consider studies on human failure. The research proposed in this work is quantitative/qualitative and also descriptive. Two questionnaires were used to collect data. The first of them was elaborated from the safety culture attributes which are described by the International Atomic Energy Agency - IAEA. The second considered individual and situational factors composing categories that could affect people in the work area. A carefully selected transcription of the theoretical basis according to the study of human factors was used. The methodology demonstrated a good reliability degree. Results lead to mediate factors which need direct actions concerning the needs of the group and of the individual. This research shows that it is necessary to have a really effective unit of planning and organization, not only to the physical and psychological health issues but also to the safety in the work. (author)

  17. IEA Wind Task 24 Integration of Wind and Hydropower Systems; Volume 1: Issues, Impacts, and Economics of Wind and Hydropower Integration

    Energy Technology Data Exchange (ETDEWEB)

    Acker, T.

    2011-12-01

    This report describes the background, concepts, issues and conclusions related to the feasibility of integrating wind and hydropower, as investigated by the members of IEA Wind Task 24. It is the result of a four-year effort involving seven IEA member countries and thirteen participating organizations. The companion report, Volume 2, describes in detail the study methodologies and participant case studies, and exists as a reference for this report.

  18. FY 2000 report on the results of the development of commercialization technology of the photovoltaic power system. International cooperation project (Collection of the information on the IEA Solar Heating and Cooling Program); 2000 nendo seika hokokusho. Taiyoko hatsuden system jitsuyoka gijutsu kaihatsu kokusai jigyo kyoryoku (IEA taiyo reidanbo kyuto program ni kansuru joho shushu)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-03-01

    By sending specialists including mostly members of the IEA (International Energy Agency)/SHCP (Solar Heating and Cooling Program) to the Executive Committee Meeting of SHCP and the Task Specialist Meeting, information was collected, and the FY 2000 results were summarized. The mission of this implementing agreement by 2004 was to positively support the creation of the future environmentally sustainable by using solar design/technology to a high degree. For it, the following were to be carried out: development of solar technology including the cost reduction through the joint research with enterprises, construction of the international market, supply of the required information, quantification of the effectiveness of solar technology for the environment, tackling with the international standardization for expansion of the use in the building sector, promotion of solar technology utilization in developing countries, etc. In this fiscal year, finished were Task 19: Solar air/heat collecting system and Task 21: Natural lighting in buildings. Activities of Tasks 22-26, which started in the previous fiscal year, were continued. Activities of Tasks 27, 28 and 29 were newly started in this fiscal year. (NEDO)

  19. Performance of a three-axes crystal spectrometer at IEA-Sao Paulo, Brazil: measurements of dispersion relations in copper

    International Nuclear Information System (INIS)

    Fuhrmann, C.; Fulfaro, R.; Vinhas, L.A.

    1978-01-01

    With the purpose to check the performance of IEA Triple Axis Spectrometer of which construction was recently finished, dispersion relation curves for copper at room temperature have been messured. The frequencies of phonons propagating along the three major simmetry directions [xi00] [xixi0] and [xixixi] have been determined. The measurements were carried out operating the Triple Axis Spectrometer in the 'Q constant' mode at neutron energy loss. An excellent agreement could be observed between the results obtained in the present experiment and the accurate data for copper presented in the litterature. In such way, we can conclude that the IEA Triple Axis Spectrometer is in good operational conditions and able to perform original experiments. In this report an outline of the theory of the spectrometer operation and details on the experimental procedures for the case of a Triple Axis Spectrometer operating in the 'Q constant' mode are also presented [pt

  20. Impacts of Large Amounts of Wind Power on Design and Operation of Power Systems; Results of IEA Collaboration

    Energy Technology Data Exchange (ETDEWEB)

    Parsons, B. [National Renewable Energy Lab. (NREL), Golden, CO (United States); Ela, E. [National Renewable Energy Lab. (NREL), Golden, CO (United States); Holttinen, H. [VTT (Finland); Meibom, P. [DTU Riso (Denmark); Orths, A. [Energinet.dk (Denmark); O' Malley, M. [Univ. College Dubline (Ireland); Ummels, B. C. [Delft Univ. of Technology (Netherlands); Tande, J. [SINTEF (Norway); Estanqueiro, A. [INETI (Portugal); Gomez, E. [Univ. Castilla la Mancha (Spain); Smith, J. C. [Utility Wind Integration Group (UWIG), Reston, VA (United States)

    2008-06-01

    There are a multitude of studies completed and ongoing related to the cost of wind integration. However, the results are not easy to compare. An international forum for exchange of knowledge of power system impacts of wind power has been formed under the IEA Implementing Agreement on Wind Energy. IEA WIND R&D Task 25 on “Design and Operation of Power Systems with Large Amounts of Wind Power” produced a state-of-the-art report in October 2007, where the most relevant wind-power grid integration studies were analyzed, especially regarding methodologies and input data. This paper summarizes the results from 18 case studies, with discussion on differences in methodology as well as issues that have been identified to impact the cost of wind integration.

  1. Fission track dating method: I. Study of neutron flux uniformity in some irradiation positions of IEA-R1 reactor

    International Nuclear Information System (INIS)

    Osorio, A.M.; Hadler, J.C.; Iunes, P.J.; Paulo, S.R. de

    1993-06-01

    In order to use the fission track dating method the flux gradient was verified within the sample holder, in some irradiation positions of the IEA-R1 reactor at IPEN/CNEN, Sao Paulo. The fission track dating method considers only the thermal neutron fission tracks, to subtract the other contributions sample irradiations with a cadmium cover was performed. The neutron flux cadmium influence was studied. (author)

  2. IEA-R1 Nuclear Research Reactor: 58 Years of Operating Experience and Utilization for Research, Teaching and Radioisotopes Production

    Energy Technology Data Exchange (ETDEWEB)

    Cardenas, Jose Patricio Nahuel; Filho, Tufic Madi; Saxena, Rajendra; Filho, Walter Ricci [Nuclear and Energy Research Institute, IPEN-CNEN/SP, Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP, Av. Prof. Lineu Prestes 2242 Cid Universitaria CEP: 05508-000- Sao Paulo-SP (Brazil)

    2015-07-01

    IEA-R1 research reactor at the Instituto de Pesquisas Energeticas e Nucleares (Nuclear and Energy Research Institute) IPEN, Sao Paulo, Brazil is the largest power research reactor in Brazil, with a maximum power rating of 5 MWth. It is being used for basic and applied research in the nuclear and neutron related sciences, for the production of radioisotopes for medical and industrial applications, and for providing services of neutron activation analysis, real time neutron radiography, and neutron transmutation doping of silicon. IEA-R1 is a swimming pool reactor, with light water as the coolant and moderator, and graphite and beryllium as reflectors. The reactor was commissioned on September 16, 1957 and achieved its first criticality. It is currently operating at 4.5 MWth with a 60-hour cycle per week. In the early sixties, IPEN produced {sup 131}I, {sup 32}P, {sup 198}Au, {sup 24}Na, {sup 35}S, {sup 51}Cr and labeled compounds for medical use. During the past several years, a concerted effort has been made in order to upgrade the reactor power to 5 MWth through refurbishment and modernization programs. One of the reasons for this decision was to produce {sup 99}Mo at IPEN. The reactor cycle will be gradually increased to 120 hours per week continuous operation. It is anticipated that these programs will assure the safe and sustainable operation of the IEA-R1 reactor for several more years, to produce important primary radioisotopes {sup 99}Mo, {sup 125}I, {sup 131}I, {sup 153}Sm and {sup 192}Ir. Currently, all aspects of dealing with fuel element fabrication, fuel transportation, isotope processing, and spent fuel storage are handled by IPEN at the site. The reactor modernization program is slated for completion by 2015. This paper describes 58 years of operating experience and utilization of the IEA-R1 research reactor for research, teaching and radioisotopes production. (authors)

  3. IEA Wind Task 23 Offshore Wind Technology and Deployment. Subtask 1 Experience with Critical Deployment Issues. Final Technical Report

    OpenAIRE

    Lemming, Jørgen Kjærgaard

    2010-01-01

    The final report for IEA Wind Task 23, Offshore Wind Energy Technology and Deployment, is made up of two separate reports: Subtask 1: Experience with Critical Deployment Issues and Subtask 2: Offshore Code Comparison Collaborative (OC3). The Subtask 1 report included here provides background information and objectives of Task 23. It specifically discusses ecological issues and regulation, electrical system integration and offshore wind, external conditions, and key conclusions for Subtask 1. ...

  4. Measurement of thermal, epithermal and fast neutrons fluxes by the activation foil method at IEA-R1 reactor

    International Nuclear Information System (INIS)

    Dias, M.S.; Koskinas, M.F.; Berretta, J.R.; Fratin, L.; Botelho, S.

    1990-01-01

    The thermal, epithermal and fast neutron fluxes have been determined experimentally by the activation foil method at position GI, located near the IEA-R1 reactor core. The reactions used were 197 Au (n,gamma) 198 Au, for thermal and epithermal neutrons and 27 Na (n,alpha) 24 Na, for fast neutrons. The activities were measured by the 4π(PC)β-γ coincidence method. (author)

  5. Reliability database of IEA-R1 Brazilian research reactor: Applications to the improvement of installation safety

    International Nuclear Information System (INIS)

    Oliveira, P.S.P.; Tondin, J.B.M.; Martins, M.O.; Yovanovich, M.; Ricci Filho, W.

    2010-01-01

    In this paper the main features of the reliability database being developed at Ipen-Cnen/SP for IEA-R1 reactor are briefly described. Besides that, the process for collection and updating of data regarding operation, failure and maintenance of IEA-R1 reactor components is presented. These activities have been conducted by the reactor personnel under the supervision of specialists in Probabilistic Safety Analysis (PSA). The compilation of data and subsequent calculation are based on the procedures defined during an IAEA Coordinated Research Project which Brazil took part in the period from 2001 to 2004. In addition to component reliability data, the database stores data on accident initiating events and human errors. Furthermore, this work discusses the experience acquired through the development of the reliability database covering aspects like improvements in the reactor records as well as the application of the results to the optimization of operation and maintenance procedures and to the PSA carried out for IEA-R1 reactor. (author)

  6. Characterization of the water filters cartridges from the iea-r1 reactor using the Monte Carlo method

    International Nuclear Information System (INIS)

    Costa, Priscila; Potiens Junior, Ademar J.

    2015-01-01

    Filter cartridges are part of the primary water treatment system of the IEA-R1 Research Reactor and, when saturated, they are replaced and become radioactive waste. The IEA-R1 is located at the Nuclear and Energy Research Institute (IPEN), in Sao Paulo, Brazil. The primary characterization is the main step of the radioactive waste management in which the physical, chemical and radiological properties are determined. It is a very important step because the information obtained in this moment enables the choice of the appropriate management process and the definition of final disposal options. In this paper, it is presented a non-destructive method for primary characterization, using the Monte Carlo method associated with the gamma spectrometry. Gamma spectrometry allows the identification of radionuclides and their activity values. The detection efficiency is an important parameter, which is related to the photon energy, detector geometry and the matrix of the sample to be analyzed. Due to the difficult to obtain a standard source with the same geometry of the filter cartridge, another technique is necessary to calibrate the detector. The technique described in this paper uses the Monte Carlo method for primary characterization of the IEA-R1 filter cartridges. (author)

  7. Process analysis and economics of biophotolysis of water. IEA technical report from the IEA Agreement on the Production and Utilization of Hydrogen

    Energy Technology Data Exchange (ETDEWEB)

    Benemann, J.R.

    1998-03-31

    This report is a preliminary cost analysis of the biophotolysis of water and was prepared as part of the work of Annex 10 of the IEA Hydrogen agreement. Biophotolysis is the conversion of water and solar energy to hydrogen and oxygen using microalgae. In laboratory experiments at low light intensities, algal photosynthesis and some biophotolysis reactions exhibit highlight conversion efficiencies that could be extrapolated to about 10% solar efficiencies if photosynthesis were to saturate at full sunlight intensities. The most promising approach to achieving the critical goal of high conversion efficiencies at full sunlight intensities, one that appears within the capabilities of modern biotechnology, is to genetically control the pigment content of algal cells such that the photosynthetic apparatus does not capture more photons than it can utilize. A two-stage indirect biophotolysis system was conceptualized and general design parameters extrapolated. The process comprises open ponds for the CO{sub 2}fixation stage, an algal concentration step, a dark adaptation and fermentation stage, and a closed tubular photobioreactor in which hydrogen production would take place. A preliminary cost analysis for a 200 hectare (ha) system, including 140 ha of open algal ponds and 14 ha of photobioreactors was carried out. The cost analysis was based on prior studies for algal mass cultures for fuels production and a conceptual analysis of a hypothetical photochemical processes, as well as the assumption that the photobioreactors would cost about $100/m(sup 2). Assuming a very favorable location, with 21 megajoules (MJ)/m{sup 2} total insolation, and a solar conversion efficiency of 10% based on CO{sub 2} fixation in the large algal ponds, an overall cost of $10/gigajoule (GJ) is projected. Of this, almost half is due to the photobioreactors, one fourth to the open pond system, and the remainder to the H{sub 2} handling and general support systems. It must be cautioned that

  8. Modernization of Safety and Control Instrumentation of the IEA-R1 Research Reactor

    Energy Technology Data Exchange (ETDEWEB)

    De Carvalho, P.V., E-mail: paulov@ien.gov.br [Institute of Nuclear Engineering (IEN), National Nuclear Energy Commission (CNEN), Rio de Janeiro (Brazil)

    2014-08-15

    The research reactor IEA-R1 located in the Institute of Energy and Nuclear Research (IPEN), São Paulo, Brazil, obtained its first criticality on 16 September 1957 and since then has served the scientific and medical community in the performance of experiments in applied nuclear physics, as well as the provision of radioisotopes for production of radiopharmaceuticals. The reactor produces radioisotopes {sup 82}Br and {sup 41}Ar for special processes in industrial inspection and {sup 192}Ir and {sup 198}Au as sources of radiation used in brachytherapy, {sup 153}Sm for pain relief in patients with bone metastasis, and calibrated sources of {sup 133}Ba, {sup 137}Cs, {sup 57}Co, {sup 60}Co, {sup 241}Am and {sup 152}Eu used in medical clinics and hospitals practicing nuclear medicine and research laboratories. Services are offered in regular non-destructive testing by neutron radiography, neutron irradiation of silicon for phosphorous doping and other various irradiations with neutrons. The reactor is responsible for producing approximately 70% of radiopharmaceutical {sup 131}I used in Brazil, which saves about US$ 800 000 annually for the country. After more than 50 years of use, most of its equipment and systems have been modernized, and recently the reactor power was increased to 5 MW in order to enhance radioisotope production capability. However, the control room and nuclear instrumentation system used for reactor safety have operated more than 30 years and require constant maintenance. Many equipment and electronic components are obsolete, and replacements are not available in the market. The modernization of the nuclear safety and control instrumentation systems of IEA-R1 is being carried out with consideration for the internationally recognized criteria for safety and reliable reactor operations and the latest developments in nuclear electronic technology. The project for the new reactor instrumentation system specifies three wide range neutron monitoring

  9. Joint imaging

    International Nuclear Information System (INIS)

    Hengst, W.

    1984-01-01

    Joint imaging is a proven diagnostic procedure which has become indispensable to the detection and treatment of different joint diseases in almost all disciplines. The method is suited for early diagnosis of joint affections both in soft tissue and bone which cannot be detected by X-ray or other procedures. The local activity accumulation depends on the rate of metabolism and is visualized in the scan, which in turn enables the extension and floridity of focal lesions to be evaluated and followed-up. Although joint scans may often give hints to probabilities relevant to differential diagnosis, the method is non-specific and only useful if based on the underlying clinical picture and X-ray finding, if possible. The radiation exposure is very low and does not represent a hazard in cases of adequate assessment of indication. In pregnant women and children the assessment of indication has to be based on very strict principles. The method is suited for out-patient diagnosis and can be applied in all installations equipped with a gamma camera and a technetium generator. (orig.) [de

  10. Joint purpose?

    DEFF Research Database (Denmark)

    Pristed Nielsen, Helene

    2013-01-01

    Starting from Crenshaw´s point that antiracism often fails to interrogate patriarchy and that feminism often reproduces racist practices (1991: 1252), this paper asks: What are the theoretical reasons for believing that feminism and anti-racism can be regarded as fighting for the joint purpose...

  11. Peripheral degenerative joint diseases

    Directory of Open Access Journals (Sweden)

    Nilzio Antonio da Silva

    2008-03-01

    Full Text Available Osteoarthritis, a degenerative joint disease, is the most commonrheumatic disorder mainly in a geriatric population. Manifestationsare pain, stiffness and functional loss in the affected joint.According to etiology it is classifi ed as primary (or idiopathicand secondary. Some risk factors for disease development aregenetics, race, age, sex, obesity, occupational activities andarticular biomechanics. Pathogenesis is the same for any cause orlocalization, being catabolic alterations, with synthesis, inhibitionand reparing intent of the cartilage matrix. Metalloproteinases andcytokines (IL-1,IL-6,TNF-α actions promote infl ammatory reactionand cartilage degradation. Pain, the most important symptom,does not correlate with radiologic fi ndings. Peripheral osteoarthritisoccurs predominantly in the knee, hip and hand. Diagnosis is basedon clinical features, laboratorial tests and radiological changes.Rheumatological associations’ guidelines for treatment includenon-pharmacologic (education, physiotherapy, assistive devices,and pharmacologic (analgesics, anti-infl ammatory drugs therapyand surgery. Arthroplasty seems to work better than medicines, butshould be used if other treatments have failed.

  12. Summary of the 9th IEA workshop on radiation effects in ceramic insulators

    Energy Technology Data Exchange (ETDEWEB)

    Zinkle, S.J. [Oak Ridge National Lab., TN (United States); Hodgson, E.R.; Shikama, T.

    1997-08-01

    Twenty one scientists attended an IEA workshop in Cincinnati, Ohio on May 8-9, 1997, which was mainly devoted to reviewing the current knowledge base on the phenonenon of radiation induced electrical degradation in ceramic insulators. Whereas convincing evidence for bulk RIED behavior has been observed by two research groups in sapphire after electron irradiation, definitive levels of bulk RIED have not been observed in high purity Al{sub 2}O{sub 3} by several research groups during energetic ion or fission neutron irradiation. Possible reasons for the conflicting RIED results obtained by different research groups were discussed. It was conducted that RIED does not appear to be of immediate concern for near-term fusion devices such as ITER. However, continued research on the RIED phenomenon with particular emphasis on electron irradiations of single crystal alumina was recommended in order to determine the underlying physical mechanisms. This will allow a better determination of whether RIED might occur under any of the widely varying experimental conditions in a fusion energy device. Several critical issues which are recommended for future study were outlined by the workshop attendees.

  13. IEA Bioenergy task 40. Country report for the Netherlands. Update 2006

    International Nuclear Information System (INIS)

    Junginger, M.; De Wit, M.; Faaij, A.

    2006-09-01

    Short-term objectives of the IEA Bioenergy Task 40 'Sustainable International Bio-energy Trade: Securing Supply and Demand' are amongst other objectives to present an overview of development of biomass markets in various parts of the world and to identify existing barriers hampering development of a (global) commodity market (e.g. policy framework, ecology, economics). As in most countries biomass is a relatively new (though quickly growing) commodity, relatively little information is available on e.g. the traded volumes and prices of various biomass streams, policies and regulations on biomass use and trade, and existing and perceived barriers. This country report aims to provide an overview of these issues for the Netherlands, and also sets the first step to make an inventory of barriers as perceived by various Dutch stakeholders. The information gathered in this report is to a large extent based on existing statistics and reports from Dutch institutions. The literature data is complemented by additional information obtained from stakeholders, such as utilities, biomass traders, the port of Rotterdam, policy makers and custom institutions. In some cases, the data source was left anonymous because of the confidential nature of the data concerned. This report was first published in 2005. In this updated 2006 version, additional data has been collected for the year 2005, mainly concerning the import of biomass and renewable electricity. Also the policy section has been updated (situation September 2006), and some information on the use of biofuels has been added.

  14. Summary of the 9th IEA workshop on radiation effects in ceramic insulators

    International Nuclear Information System (INIS)

    Zinkle, S.J.; Hodgson, E.R.; Shikama, T.

    1997-01-01

    Twenty one scientists attended an IEA workshop in Cincinnati, Ohio on May 8-9, 1997, which was mainly devoted to reviewing the current knowledge base on the phenonenon of radiation induced electrical degradation in ceramic insulators. Whereas convincing evidence for bulk RIED behavior has been observed by two research groups in sapphire after electron irradiation, definitive levels of bulk RIED have not been observed in high purity Al 2 O 3 by several research groups during energetic ion or fission neutron irradiation. Possible reasons for the conflicting RIED results obtained by different research groups were discussed. It was conducted that RIED does not appear to be of immediate concern for near-term fusion devices such as ITER. However, continued research on the RIED phenomenon with particular emphasis on electron irradiations of single crystal alumina was recommended in order to determine the underlying physical mechanisms. This will allow a better determination of whether RIED might occur under any of the widely varying experimental conditions in a fusion energy device. Several critical issues which are recommended for future study were outlined by the workshop attendees

  15. Optimization of the irradiation beam in the BNCT research facility at IEA-R1 reactor

    International Nuclear Information System (INIS)

    Castro, Vinicius Alexandre de

    2014-01-01

    Boron Neutron Capture Therapy (BNCT) is a radiotherapeutic technique for the treatment of some types of cancer whose useful energy comes from a nuclear reaction that occurs when thermal neutron impinges upon a Boron-10 atom. In Brazil there is a research facility built along the beam hole number 3 of the IEA-R1 research reactor at IPEN, which was designed to perform BNCT research experiments. For a good performance of the technique, the irradiation beam should be mostly composed of thermal neutrons with a minimum as possible gamma and above thermal neutron components. This work aims to monitor and evaluate the irradiation beam on the sample irradiation position through the use of activation detectors (activation foils) and also to propose, through simulation using the radiation transport code, MCNP, new sets of moderators and filters which shall deliver better irradiation fields at the irradiation sample position In this work, a simulation methodology, based on a MCNP card, known as wwg (weight window generation) was studied, and the neutron energy spectrum has been experimentally discriminated at 5 energy ranges by using a new set o activation foils. It also has been concluded that the BNCT research facility has the required thermal neutron flux to perform studies in the area and it has a great potential for improvement for tailoring the irradiation field. (author)

  16. Report on the surveys in fiscal 1999 on the demonstrative investigation of a new load leveling method. Participation to the IEA/DSM task VI, an IEA international cooperation project; 1999 nendo fuka heijunka shinshuho jissho chosa hokokusho. IEA kokusai kyoryoku jigyo IEA/DSM task VI eno sanka ni tsuite

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-03-01

    Participation was implemented to the IEA/DSM task VI as the demonstrative investigation of a new load leveling method. The DSM strategy is a means to achieve the public objectives of wide range, wherein the DSM mechanism is important, that can obtain accurate and useful information in competitive markets. Consumer protecting activities have close relation with general information needs. A financial incentive mechanism is also necessary to support nurturing of business organizations and new ESCO industries. A market forming mechanism using the DSM can solve the problem of disagreement in the incentives (for example, private profit of electric power companies and the public nature of the government). These include system plans considering the DSM, setting of upper limit in the profit, demand side bidding, and green charge institution. It is important to utilize affluent findings and means used in the past and utilize each mechanism to meet the needs for public benefit at the present and in the future, while structuring an electric power business structure incorporating the DSM. The DSM promoting mechanisms in each country were classified and put into order of regulations, supports, funds, and markets. (NEDO)

  17. Estimating the impacts of wind power on power systems—summary of IEA Wind collaboration

    Science.gov (United States)

    Holttinen, Hannele

    2008-04-01

    Adding wind power to power systems will have beneficial impacts by reducing the emissions of electricity production and reducing the operational costs of the power system as less fuel is consumed in conventional power plants. Wind power will also have a capacity value to a power system. However, possible negative impacts will have to be assessed to make sure that they will only offset a small part of the benefits and also to ensure the security of the power system operation. An international forum for the exchange of knowledge of power system impacts of wind power has been formed under the IEA Implementing Agreement on Wind Energy. The Task 'Design and Operation of Power Systems with Large Amounts of Wind Power' is analyzing existing case studies from different power systems. There are a multitude of studies completed and ongoing related to the cost of wind integration. However, the results are not easy to compare. This paper describes the general issues of wind power impacts on power systems and presents a comparison of results from ten case studies on increased balancing needs due to wind power.

  18. IEA Hydrogen Implementing Agreement: Three Decades of Collaborative Hydrogen R and D

    Energy Technology Data Exchange (ETDEWEB)

    Nick Beck; Mary-Rose de Valladares

    2006-07-01

    Created in 1977 and now in its Second Generation of Hydrogen R, D and D, the International Energy Agency (IEA) Hydrogen Implementing Agreement (HIA) is the oldest, largest international collaboration on hydrogen Research, Development and Demonstration (RD and D). As a global resource for technical expertise in hydrogen R, D and D, the HIA has expanded worldwide opportunities for hydrogen by undertaking 21 annexes (or tasks) on hydrogen production, storage, analysis of integrated systems and related topics with its 19 member countries. Related topics include hydrogen safety, conversion, economics and markets. The majority of the HIA's R and D portfolio has focused on longer term, pre-competitive R, D and D issues. Of the 21 annexes undertaken by the HIA, 15 are now complete. The HIA is also committed to outreach in support of both its core R and D activities and related issues such as regulation and infrastructure. As ever, the HIA welcomes collaboration and liaison with interested groups in the public and private sectors. (authors)

  19. IEA Hydrogen Implementing Agreement: Three Decades of Collaborative Hydrogen R and D

    International Nuclear Information System (INIS)

    Nick Beck; Mary-Rose de Valladares

    2006-01-01

    Created in 1977 and now in its Second Generation of Hydrogen R, D and D, the International Energy Agency (IEA) Hydrogen Implementing Agreement (HIA) is the oldest, largest international collaboration on hydrogen Research, Development and Demonstration (RD and D). As a global resource for technical expertise in hydrogen R, D and D, the HIA has expanded worldwide opportunities for hydrogen by undertaking 21 annexes (or tasks) on hydrogen production, storage, analysis of integrated systems and related topics with its 19 member countries. Related topics include hydrogen safety, conversion, economics and markets. The majority of the HIA's R and D portfolio has focused on longer term, pre-competitive R, D and D issues. Of the 21 annexes undertaken by the HIA, 15 are now complete. The HIA is also committed to outreach in support of both its core R and D activities and related issues such as regulation and infrastructure. As ever, the HIA welcomes collaboration and liaison with interested groups in the public and private sectors. (authors)

  20. Ageing Management Programme for the IEA-R1 Reactor in São Paulo, Brazil

    Energy Technology Data Exchange (ETDEWEB)

    Ramanathan, L. V. [Institute of Energy and Nuclear Research (IPEN), National Nuclear Energy Commission (CNEN), São Paulo (Brazil)

    2014-08-15

    IEA-R1 is a swimming pool type reactor. It is moderated and cooled by light water and uses graphite and beryllium as reflector elements. First criticality was achieved on 16 September 1957, and the reactor is currently operating at 4.0 MW on a 64 h per week cycle. In 1996, a reactor ageing study was established to determine general deterioration of systems and components such as cooling towers, secondary cooling system, piping, pumps, specimen irradiation devices, radiation monitoring system, fuel elements, rod drive mechanisms, nuclear and process instrumentation, and safety system. The basic structure of the reactor from the original design has been maintained, but several improvements and modifications have been made over the years to various components, systems and structures. During the period 1996–2005 the reactor power was increased from 2 MW to 5 MW and the operational cycle from 8 h per day for 5 days a week to 120 h continuous per week, mainly to increase production of {sup 99}Mo. Prior to increasing reactor power, several modifications were made to the reactor system and its components. Simultaneously, a vigorous ageing management, inspection and modernization programme was put in place.

  1. Real-time neutron radiography at the Iea-R1 m nuclear research reactor

    International Nuclear Information System (INIS)

    Menezes, M.O. de; Pugliesi, R.; Pereira, M.A.S.; Andrade, M.L.G.

    2003-01-01

    A LIXI (Light Intensifier X-ray Image) device has been employed in a real-time neutron radiography system. The LIXI is coupled to a video camera and the real-time images can be observed in a TV monitor, and processed in a computer. In order to get the real-time system operational, the neutron radiography facility installed at the IEA-R1 m nuclear research reactor of the IPEN-CNEN/S P has been optimized. The most important improvements were the neutron/gamma ratio, the effective energy of the neutron beam, decrease of the scattered radiation at the irradiation position, and the additional shielding of the video camera. Several one-frame as well as computer processed images are presented. The overall Modulation Transfer Function for the real-time system was obtained from the resolution parameter p = 0:44 +- 0:04 mm; the system sensitivity, evaluated for a Perspex step wedge, was determined and the average value is 0:70 +- 0:09 mm. (author)

  2. Trends in photovoltaic applications. Survey report of selected IEA countries between 1992 and 2004

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    As part of the work of the IEA PVPS programme, annual surveys of photovoltaic (PV) power applications and markets are carried out in the participating countries. The objective of the series of annual Trends reports is to present and interpret developments in both the PV systems and components being used in the PV power systems market and the changing applications for these products within that market. These trends are analyzed in the context of the business, policy and non-technical environment in the reporting countries. This report is not intended to serve as an introduction to PV technology. It is prepared to assist those responsible for developing the strategies of businesses and public authorities, and to aid the development of medium term plans for electricity utilities and other providers of energy services. It also provides guidance to government officials responsible for setting energy policy and preparing national energy plans. The scope of the report is limited to PV applications with a rated power of 40 W or more. Most national data supplied were accurate to {+-}0 %. Data on production levels and system prices vary depending on the willingness of the relevant national PV industry to provide data for the survey. This report presents the results of the 10th international survey. It provides an overview of PV power systems applications, markets and production in the reporting countries and elsewhere at the end of 2004 and analyzes trends in the implementation of PV power systems between 1992 and 2004. (au)

  3. Proceedings: 2nd IEA international workshop on beryllium technology for fusion

    Energy Technology Data Exchange (ETDEWEB)

    Longhurst, G.R.

    1995-09-01

    The 2nd IEA International Workshop on Beryllium Technology for Fusion was held September 6--8, 1995 at Jackson Lake Lodge, Wyoming. Forty-four participants took part in the workshop representing Europe, Japan, the Russian Federation, and the United States including representatives from both government laboratories and private industry. The workshop was divided into six technical sessions and a ``town meeting`` panel discussion. Technical sessions addressed the general topics of: Thermomechanical Properties; Manufacturing Technologies; Radiation Effects; Plasma/Tritium Interactions; Safety, Applications, and Design; and Joining and Testing. This volume contains the majority of the papers presented at the workshop. In some instances, the authors of the papers could not be present at the workshop, and the papers were given by others, sometimes in summary form and in some instances combined with others. The full papers are included here in the sequence in which they would have been given. In other instances, presentations were made but no papers were submitted for publication. Those papers do not appear here. In summary, the workshop was very successful. The main objectives of bringing key members of the fusion beryllium community together was certainly met. Forty-four participants registered, and 35 papers were presented. Individual papers are indexed separately on the energy data bases.

  4. IEA Solar Heating and Cooling Programme Task 16: PV in Buildings

    International Nuclear Information System (INIS)

    Schoen, A.J.N.; Van der Weiden, T.C.J.

    1993-10-01

    In the title program (SHCP), initiated in 1977, twenty countries, including the European Union, participate in a broad spectrum of subjects in the field of thermal, photovoltaic (PV) and passive solar energy. Nineteen Tasks were started so far, of which eleven Tasks are finished. Task 16 deals with the architectural and electrotechnical integration of PV in buildings, aiming at a maximal contribution of solar energy to the energy supply of a building, knowledge increase and transfer with respect to the relation of PV with other components of the energy system of a building, and economic optimization. Task 16 is planned for the period 1990-1995 and is divided in Sub-Tasks A: System Design and Development; B: Building Integration; C: PV-Demonstration Buildings; and D: Technology Communication. In this report the Dutch activities of Task 16, coordinated by Ecofys, are discussed. Reports of 4 Expert Meetings and 3 Workshops are presented. A description (in English) of the first Dutch IEA Demonstration Building, the energy autonomous house in Woubrugge, is given. Finally attention is paid to the activities regarding the Ideas Competition for the design of buildings or urban areas with integrated PV systems. 6 appendices

  5. IEA Wind Task 32: Wind Lidar Identifying and Mitigating Barriers to the Adoption of Wind Lidar

    Directory of Open Access Journals (Sweden)

    Andrew Clifton

    2018-03-01

    Full Text Available IEA Wind Task 32 exists to identify and mitigate barriers to the adoption of lidar for wind energy applications. It leverages ongoing international research and development activities in academia and industry to investigate site assessment, power performance testing, controls and loads, and complex flows. Since its initiation in 2011, Task 32 has been responsible for several recommended practices and expert reports that have contributed to the adoption of ground-based, nacelle-based, and floating lidar by the wind industry. Future challenges include the development of lidar uncertainty models, best practices for data management, and developing community-based tools for data analysis, planning of lidar measurements and lidar configuration. This paper describes the barriers that Task 32 identified to the deployment of wind lidar in each of these application areas, and the steps that have been taken to confirm or mitigate the barriers. Task 32 will continue to be a meeting point for the international wind lidar community until at least 2020 and welcomes old and new participants.

  6. Estimating the impacts of wind power on power systems-summary of IEA Wind collaboration

    International Nuclear Information System (INIS)

    Holttinen, Hannele

    2008-01-01

    Adding wind power to power systems will have beneficial impacts by reducing the emissions of electricity production and reducing the operational costs of the power system as less fuel is consumed in conventional power plants. Wind power will also have a capacity value to a power system. However, possible negative impacts will have to be assessed to make sure that they will only offset a small part of the benefits and also to ensure the security of the power system operation. An international forum for the exchange of knowledge of power system impacts of wind power has been formed under the IEA Implementing Agreement on Wind Energy. The Task 'Design and Operation of Power Systems with Large Amounts of Wind Power' is analyzing existing case studies from different power systems. There are a multitude of studies completed and ongoing related to the cost of wind integration. However, the results are not easy to compare. This paper describes the general issues of wind power impacts on power systems and presents a comparison of results from ten case studies on increased balancing needs due to wind power

  7. Proceedings: 2nd IEA international workshop on beryllium technology for fusion

    International Nuclear Information System (INIS)

    Longhurst, G.R.

    1995-09-01

    The 2nd IEA International Workshop on Beryllium Technology for Fusion was held September 6--8, 1995 at Jackson Lake Lodge, Wyoming. Forty-four participants took part in the workshop representing Europe, Japan, the Russian Federation, and the United States including representatives from both government laboratories and private industry. The workshop was divided into six technical sessions and a ''town meeting'' panel discussion. Technical sessions addressed the general topics of: Thermomechanical Properties; Manufacturing Technologies; Radiation Effects; Plasma/Tritium Interactions; Safety, Applications, and Design; and Joining and Testing. This volume contains the majority of the papers presented at the workshop. In some instances, the authors of the papers could not be present at the workshop, and the papers were given by others, sometimes in summary form and in some instances combined with others. The full papers are included here in the sequence in which they would have been given. In other instances, presentations were made but no papers were submitted for publication. Those papers do not appear here. In summary, the workshop was very successful. The main objectives of bringing key members of the fusion beryllium community together was certainly met. Forty-four participants registered, and 35 papers were presented. Individual papers are indexed separately on the energy data bases

  8. Experience on wet storage spent fuel sipping at IEA-R1 Brazilian research reactor

    International Nuclear Information System (INIS)

    Perrotta, J.A.; Terremoto, L.A.A.; Zeituni, C.A.

    1998-01-01

    The IEA-R1 research reactor of the Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP) is a pool type reactor of B and W design, that has been operating since 1957 at a power of 2 MW. Irradiated (spent) fuels have been stored at the facility during the various years of operation. At present there are 40 spent fuel assemblies at dry storage, 79 spent fuel assemblies at wet storage and 30 fuel assemblies in the core. The oldest fuels are of United States origin, made with U-Al alloy, both of LEU and HEU MTR fuel type. Many of these fuel assemblies have corrosion pits along their lateral fuel plates. These pits originate by galvanic corrosion between the fuel plate and the stainless steel storage racks. As a consequence of the possibility of sending the irradiated old fuels back the U.S.A., sipping tests were performed with the spent fuel assemblies. The reason for this was to evaluate their 137 Cs leaking rate, if any. This work describes the procedure and methodology used to perform the sipping tests with the fuel assemblies at the storage pool, and presents the results obtained for the 137 Cs sipping water activity for each fuel assembly. A correlation is made between the corrosion pits and the activity values measured. A 137 Cs leaking rate is determined and compared to the criteria established for canning spent fuel assemblies before shipment

  9. Trends in photovoltaic applications. Survey report of selected IEA countries between 1992 and 2009

    International Nuclear Information System (INIS)

    2010-08-01

    As part of the work of the IEA PVPS programme, annual surveys of photovoltaic (PV) power applications and markets are carried out in the reporting countries. The objective of the series of annual Trends reports is to present and interpret developments in both the PV systems and components being used in the PV power systems market and the changing applications for these products within that market. These trends are analyzed in the context of the business, policy and non-technical environment in the reporting countries. This report is not intended to serve as an introduction to PV technology. It is prepared to assist those responsible for developing the strategies of businesses and public authorities, and to aid the development of medium term plans for electricity utilities and other providers of energy services. It also provides guidance to government officials responsible for setting energy policy and preparing national energy plans. The scope of the report is limited to PV applications with a rated power of 40 W or more. Most national data supplied were accurate to ±10 %. Accuracy of data on production levels and system prices varies depending on the willingness of the relevant national PV industry to provide data for the survey. This report presents the results of the 15th international survey. It provides an overview of PV power systems applications, markets and production in the reporting countries and elsewhere at the end of 2009 and analyzes trends in the implementation of PV power systems between 1992 and 2009.

  10. Norwegian participation in the IEA Heat Pump Programme Annex 34 - final report

    Energy Technology Data Exchange (ETDEWEB)

    Nordtvedt, S.R.

    2012-07-01

    This report is the Norwegian team contribution to Task A within the IEA Heat Pumps Programme Annex 34 on #Left Double Quotation Mark#Thermally driven heat pumps#Right Double Quotation Mark#. It aims to give an overview of the thermally driven heat pump (TDHP) and chiller (TDC) market, recent developments in the area of TDHP and TDC, as well as to give an outlook of the progress of this technology. There are no Norwegian manufacturers on the TDHP market. There are only seven existing thermally driven absorption system installations in Norway. Three are district heat driven water/LiBr chillers, one is a steam driven water/LiBr chiller, one water/LiBr heat pump for flue gas condensation in a wood chip heating unit, and two gas driven ammonia-water chillers. The future market for thermally driven heat pumps and chillers in Norway is expected to be in combination of biomass, district heat or waste heat. (Author)

  11. FY 1998 Report on development of technologies for commercialization of photovoltaic power systems. International co-operative project (Information collected for IEA Solar Heating and Cooling Programme); 1998 nendo taiyoko hatsuden system jitsuyoka gijutsu kaihatsu kokusai kyoryoku jigyo. IEA taiyo reidanbo kyuto program ni kansuru joho shushu

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-03-01

    The IEA/ Solar Heating and Cooling Programme (SHCP) committee members were dispatched to the IEA/SHCP Executive Committee and Expert Meetings, to collect information, present the reports and hold the discussions, among others. Described herein are the results. The third Expert Meeting of the IEA/SHCP Task 23 prepared the document covering the examples of solar energy use in large buildings and distributed them in Subtask A, and proposed and discussed the comprehensive performance evaluation methods and simulation-based design tools in Subtask C. The second workshop of the IEA/SHCP Task 25 discussed evaluation of the current technologies for solar assisted air conditioning, design of the solar assisted cooling systems, economic evaluation and market researches, investigations of cooling system hardware, and development of simulation programs and design tools. The examples of solar cooling are mostly found in Japan, and European countries are conducting experiments and field tests, because of lack of commercial grade freezers. (NEDO)

  12. 29 CFR 791.2 - Joint employment.

    Science.gov (United States)

    2010-07-01

    ... the Act. In this event, all joint employers are responsible, both individually and jointly, for... they have. Of course, an employer should not be held responsible for an employee's action in seeking... two or more employers at the same time under the Fair Labor Standards Act of 1938, since there is...

  13. Institutional capacity and climate actions. Summary paper

    International Nuclear Information System (INIS)

    Willems, S.

    2004-01-01

    The aim of this paper is to explore the role of institutional capacity in selecting the most appropriate climate actions. More specifically, it investigates why, for some countries, institutional capacity may need to be considered as an important criterion for selecting future climate actions, alongside environmental, economic and/or political considerations. This paper is a synthesis of results of an OECD/IEA project undertaken in 2003 for the Annex I Expert Group, which led to several publications, namely a framework paper on Institutional Capacity and Climate Actions, three national cases studies, respectively on Mexico, India and Bulgaria, as well as a paper assessing the status of national inventory preparation in Annex I and non-Annex I Parties (OECD/IEA, 2003). The paper argues that the very nature of a country's institutional development suggests a progressive approach to climate actions, which takes into account the specificity of a country's existing institutional setting. More specifically, substantial changes in a country's existing institutions are likely to be required when particular levels or types of institutional capacities need to be developed, for example when these changes affect public governance as a whole. Finally, particular forms of actions may require significant changes in a country's institutional setting. For example, legally-binding quantified national targets tend to require significant institutional development in all functions of climate policy. With other approaches, such as those based on non-binding targets, sectoral targets or policies and measures, institutional development may be more progressive and targeted. Thus, when considering particular forms of climate actions, countries might benefit from investigating what kind of institutions are likely to be needed and whether they will be able to develop sufficient capacity in time to implement these actions. Overall, this analysis suggests a step-by-step, dynamic model for

  14. Tracking in Object Action Space

    DEFF Research Database (Denmark)

    Krüger, Volker; Herzog, Dennis

    2013-01-01

    the space of the object affordances, i.e., the space of possible actions that are applied on a given object. This way, 3D body tracking reduces to action tracking in the object (and context) primed parameter space of the object affordances. This reduces the high-dimensional joint-space to a low...

  15. Remote level radiation monitoring system for the brazilian IEA-R1 nuclear research reactor for routine radiation protection procedures and as a support tool in case of radiological emergency

    International Nuclear Information System (INIS)

    Cardenas, Jose P.N.; Romero Filho, Christovam R.; Madi Filho, Tufic

    2008-01-01

    Nuclear facilities must monitoring radiation levels to establish procedures for radiological protection staff involving workers and the public. The Instituto de Pesquisas Energeticas e Nucleares - IPEN has 5 important plants and in case of accident in one of them, the Institute keeps operational an Emergency Response Plan (ERP). This document (ERP) is designed to coordinate all procedures to assure safe and secure conditions for workers, environment and the public. One of this plants is the IEA-R1 reactor, it is the oldest nuclear research reactor (pool type) in Latin America, reached it first criticality in September of 1957. The reactor is used 60 hours/week with continuous operation and with nominal power of 3.5 MW, with technical conditions to operate at 5 MW thermal power. This reactor has a Radiological Emergency Plan that establishes the implementation of rules for workers and people living at the exclusion area in the case of an emergency situation. This paper aims to describe the implementation of a computational system developed for remote radiation monitoring, in a continuous schedule of IEA-R1 nuclear research reactor containment building. Results of this action can be used as a support mean in a radiological emergency. All necessary modules for radiation detection, signals conditioners and processing, data acquisition board, software development and computer specifications are described. The data acquisition system operating in the reactor shows readings concerned to radiation environment such as activity, doses and concentration in real time and displays a periodical data bank (Data Base) of this features allowing through the surveillance of the operation records anytime, leading to studies and analysis of radiation levels. Results of this data acquisition are shown by means of computer graphics screens developed for windows environment using Visual Basic software. (author)

  16. Public and private energy RTD expenditures in Belgium, Luxembourg and the Netherlands. A pilot study on behalf of SenterNovem based on an IEA format

    International Nuclear Information System (INIS)

    Lako, P.; Ros, M.E.

    2007-07-01

    This study aims to present a broad view of energy RTD expenditures of Belgium, Luxembourg, and the Netherlands, in the public domain and by private enterprises. Data is provided as much as possible by disaggregating into a format of the IEA (IEA code). IEA data serve as the starting point for data collection. The main task is to fill in the gaps in the database, viz.: Completing the IEA database for Belgium with regard to public energy RTD; Starting with a database of public energy RTD for Luxembourg; Collecting, retrieving, and analysing private energy RTD data for the Netherlands. The latter data, based on a 'bottom-up' approach, are compared to recent data of SenterNovem based on an R and D subsidy scheme in the Netherlands. The private energy RTD expenditures from both sources (the bottom-up approach in this study and the data of SenterNovem) are combined to one database of private energy RTD that may be used for, e.g., the IEA

  17. Joint Operation Planning

    National Research Council Canada - National Science Library

    2006-01-01

    .... It sets forth joint doctrine to govern the joint operation planning activities and performance of the Armed Forces of the United States in joint operations, and provides the joint doctrinal basis...

  18. Evaluation of the metam sodium in joint action with the clomazone and sulfentrazone like alternative to the use of methyl bromide in the melon cultivation of cantaloupe kind, in Carrillo, Guanacaste, Costa Rica

    International Nuclear Information System (INIS)

    Buzano Barrantes, Pedro

    2002-01-01

    This research realized a study in the melon cultivation of cantaloupe kind with the objective to evaluate the utilization of metam sodium joint with the clomazone and sulfentrazone weed-killers like substitutes of methyl bromide in the experimental station of Melons de Costa Rica located in Carrillo, Guanacaste, during the season of 1998-1999. The treatments were: metam sodium (148 g.i.a./ha) + sulfentrazone (60 g.i.a./ha), metam sodium (148 g.i.a./ha) + sulfentrazone (100 g.i.a./ha), metam sodium (148 g.i.a./ha) + clomazone (240 g.i.a./ha), metam sodium (148 g.i.a./ha) + clomazone (480 g.i.a./ha), sulfentrazone (60 g.i.a.), sulfentrazone (100 g.i.a.), clomazone (240 g.i.a./ha), clomazone (480 g.i.a./ha), metam sodium (148 g.i.a./ha), methyl bromide (250 kg./ha) and an absolute control. The experimental design was unconditional at random with eleven treatments and three repetitions by treatments with four beds of 35m x 0.8m by repetition. The results showed that the best treatments were: metam sodium (148 g.i.a./ha) + clomazone (480 g.i.a./ha), with a 13.3% less of weeds control than the methyl bromide (250 kg/ha) and the treatment with metam sodium (148 g.i.a./ha) with a 19.2% less of weeds control than the methyl bromide (250 Kg/ha). The 5,9% of difference among them is by the clomazone's action (480 g.i.a./ha). The treatment with methyl bromide (250 Kg./ha) was the highest in output, 2286 total boxes by hectare, followed by the treatments with metam sodium (148 g.i.a./ha) + sulfentrazone (100 g.i.a./ha) with 1906 and metam sodium (148 g.i.a./ha) + clomazone (480 g.i.a./ha) that produced 1912.33 boxes of melon by hectare. (Author) [es

  19. IEA SHC Task 38 'Solar air-conditioning and refrigeration'. Danish participation 2007-2010. Appendix; IEA SHC Task 38 'Solar air-conditioning and refrigeration'. Dansk deltagelse 2007-2010. Bilag

    Energy Technology Data Exchange (ETDEWEB)

    Ellehauge, K. (Ellehauge og Kildemoes, Aarhus (Denmark)); Muenster, E. (PlanEnergi, Skoerping (Denmark)); Reinholdt, L. (Teknologisk Institut, Aarhus (Denmark)); Munds, S. (AC-Sun Aps, Horsens (Denmark))

    2011-03-15

    IEA SHC Task 38 'Solar Air-Conditioning and Refrigeration' ran from October 2006 to December 2010. Denmark was represented in the task from January 2007 to December 2010. The aim of the task was to encourage use of solar powered refrigeration and air conditioning systems in particular at residential, commercial and industrial sectors. Furthermore, the aim was to contribute to new research and development activities on new systems and concepts. The appendix contains the publications prepared by the Danish project group.(LN)

  20. Building Energy Management Systems BEMS, German contribution to the IEA research projects Annex 16 and 17. Building Energy Management System BEMS; deutscher Beitrag zu den IEA-Forschungsvorhaben Annex 16 und 17

    Energy Technology Data Exchange (ETDEWEB)

    Bach, H.; Stephan, W.; Madjidi, M. (Univ. Stuttgart, IKE, Abt. HLK (Germany)); Brendel, T.; Schneider, A. (Ingenieurbuero Dr. Brendel, Frankfurt am Main (Germany)); Ast, H.; Kellner, H. (IFB, Dr. R. Braschel GmbH, Stuttgart (Germany))

    1991-01-01

    As part of the IEA project Annex 16 and 17 Germany carries out the project Building Energy Management Systems (BEMS). With digital control systems energetic and low-cost operation of space hvac systems can be attained. The project aims at abolishing impediments to efficient use of energy. Potential savings are shown for three examples: A conventional heating system for an office building, a VAV system (circulating air, heating, cooling, washer humidifcation) for an office building and VAV systems (FWRG, heating, cooling, steam humidification) for an office building in compact design. (BWI).

  1. Device for neutron flux monitoring in IEA-R1 reactor using rhodium self powered neutron detector; Dispositivo de mapeamento de fluxo de neutron atraves do SPN/Rodio no IEA-R1

    Energy Technology Data Exchange (ETDEWEB)

    Ricci Filho, Walter; Fernando, Alberto de Jesus; Jerez, Rogerio; Tondin, Julio B.M.; Pasqualetto, Hertz [Instituto de Pesquisas Energeticas e Nucleares (IPEN), Sao Paulo, SP (Brazil)

    2000-07-01

    The IEA-R1 reactor has undergone a modernization tio increase its operating power to 5 MW, in order to allow a more efficient production of radioisotopes. The objective of this work is to provide the reactor with flux monitoring device using a rhodium self powered neutron detector. Self powered detectors are rugged miniature devices with are increasingly being used for fixed in core reactor monitoring both for safety purposes and flux mapping. The work presents the results obtained with Rhodium-SPND in several irradiation position inside the reactor core. (author)

  2. IEA SHC Task 38 'Solar air-conditioning and refrigeration'. Danish participation 2007-2010. Appendix; IEA SHC Task 38 'Solar air-conditioning and refrigeration'. Dansk deltagelse 2007-2010. Bilag

    Energy Technology Data Exchange (ETDEWEB)

    Ellehauge, K [Ellehauge og Kildemoes, Aarhus (Denmark); Muenster, E [PlanEnergi, Skoerping (Denmark); Reinholdt, L [Teknologisk Institut, Aarhus (Denmark); Munds, S [AC-Sun Aps, Horsens (Denmark)

    2011-03-15

    IEA SHC Task 38 'Solar Air-Conditioning and Refrigeration' ran from October 2006 to December 2010. Denmark was represented in the task from January 2007 to December 2010. The aim of the task was to encourage use of solar powered refrigeration and air conditioning systems in particular at residential, commercial and industrial sectors. Furthermore, the aim was to contribute to new research and development activities on new systems and concepts. The appendix contains the publications prepared by the Danish project group.(LN)

  3. Context factors and student achievement in the IEA studies: evidence from TIMSS

    Directory of Open Access Journals (Sweden)

    Elisa Caponera

    2016-08-01

    Full Text Available Abstract Background The present study investigates what factors related to the school context influence student achievement on TIMSS mathematics tests across countries. A systematic review of the literature on PIRLS, TIMSS, and ICCS was conducted upstream to identify those school, teacher, and classroom factors shown to be useful predictors of student performance in previous IEA studies. Data of student samples representative of grade 8 students from 28 countries who participated in TIMSS 2011 were analysed. The main aim of the present study is to verify what school and teacher characteristics are positively associated with students’ mathematics achievement, mainly focusing on disadvantaged schools. Furthermore, it aims at identifying how school context variables contribute to explaining the performance of students in disadvantaged schools in comparison with more advantaged schools. Methods A separate analysis was carried out for each considered country, and the same multilevel regression model was used on the sampled schools as a whole and treating schools with high (highest tertile and low (lowest tertile socio-economic backgrounds as distinct groups. Results The results confirmed that a high socio-economic status has a significant and positive effect on student achievement: compared with students from socio-economic disadvantaged schools, students from advantaged schools performed better in mathematics achievement. This difference is more evident in countries where the gap between rich and poor people as measured by the Gini coefficient, which measures how much an economy deviates from perfect equality, is wider. However, this difference is restricted in countries with a smaller gap between rich and poor people. Conclusions According to the literature in the field, the results show significant differences across countries in relation to the school and teacher characteristics that have an impact on mathematics achievement of students from

  4. Characterization of filter cartridges from the IEA-R1 reactor by radiochemical method

    International Nuclear Information System (INIS)

    Geraldo, Bianca; Vicente, Roberto; Ferreira, Robson J.; Goes, Marcos M.; Marumo, Julio T.

    2015-01-01

    The filter cartridges used in water purification system of research nuclear reactor IEA-R1 are considered radioactive wastes after their useful life. The characterization of these wastes is one of the stages of management, which aims to identify and quantify the radionuclides present, including those known as 'difficult to measure' (DTM) radionuclides. Establish a radiochemical analysis methodology for this type of waste is a difficult job, not only by the application of these techniques, but also by the amount of radionuclides that should be analyzed. In the waste produced in a nuclear reactor, the most important radionuclides are fission products, activation products and transuranic elements. Since these radionuclides emit gamma radiation not measurable in its decay process and consequently are difficult to measure, their concentrations can be estimated by indirect methods such as scale factors. This method is used to evaluate the DTM concentration, which is represented by alpha and beta nuclides using the correlation between them and the radionuclide key, a gamma emitter. The objective of this work is to describe a radiochemical analysis methodology for gamma emitter nuclides, present in the filter cartridges, evaluating the activity and concentrations by destructive assays. At the same time, two studies have been performed by non-destructive assays, the first one based on dose rates and the point kernel method to correlate the results and the second one based on calibration efficiency with Monte Carlo method. These studies belong to the radioactive waste characterization program that has been conducted at the Waste Management Laboratory of Nuclear and Energy Research Institute, IPEN-CNEN/SP. (author)

  5. Optimizing Lidars for Wind Turbine Control Applications—Results from the IEA Wind Task 32 Workshop

    Directory of Open Access Journals (Sweden)

    Eric Simley

    2018-06-01

    Full Text Available IEA Wind Task 32 serves as an international platform for the research community and industry to identify and mitigate barriers to the use of lidars in wind energy applications. The workshop “Optimizing Lidar Design for Wind Energy Applications” was held in July 2016 to identify lidar system properties that are desirable for wind turbine control applications and help foster the widespread application of lidar-assisted control (LAC. One of the main barriers this workshop aimed to address is the multidisciplinary nature of LAC. Since lidar suppliers, wind turbine manufacturers, and researchers typically focus on their own areas of expertise, it is possible that current lidar systems are not optimal for control purposes. This paper summarizes the results of the workshop, addressing both practical and theoretical aspects, beginning with a review of the literature on lidar optimization for control applications. Next, barriers to the use of lidar for wind turbine control are identified, such as availability and reliability concerns, followed by practical suggestions for mitigating those barriers. From a theoretical perspective, the optimization of lidar scan patterns by minimizing the error between the measurements and the rotor effective wind speed of interest is discussed. Frequency domain methods for directly calculating measurement error using a stochastic wind field model are reviewed and applied to the optimization of several continuous wave and pulsed Doppler lidar scan patterns based on commercially-available systems. An overview of the design process for a lidar-assisted pitch controller for rotor speed regulation highlights design choices that can impact the usefulness of lidar measurements beyond scan pattern optimization. Finally, using measurements from an optimized scan pattern, it is shown that the rotor speed regulation achieved after optimizing the lidar-assisted control scenario via time domain simulations matches the performance

  6. IEA-SHC Task 27: Environmental performance assessment of glazing and windows - context, overview, main concerns

    Energy Technology Data Exchange (ETDEWEB)

    Chevalier, J.L. [Centre Scientifique et Technique du Batiment, Sustainable Development Dept., Saint-Martin D' Heres (France); Krogh, H. [Danish Building and Urban Research, Energy and Indoor Climate Div., Hoersholm (Denmark); Tarantini, Mario [The Italian National Agency for New Technology, Energy and the Environment, Bologna (Italy)

    2006-07-01

    While all industrial sectors are integrating the environment concern into their culture and strategy, actors of the construction field seem to be torn between motivation and suspicion in front of this new topic. In most countries, the economic situation of the passed years for building was not suitable for investing in new long-term approaches, and the strong particularities of the building world appear as many complicating elements for introducing new concepts easily. But now the awareness for a sustainable development of all human activities is also growing in our sector, and it is time to take benefit of some favourable habits like the use of multi-criteria analysis: beyond performances, suitability for use, and durability, environmental quality criteria will just widen the actual scope of the technical assessment of building products. The first question is a double one : Who will use environmental criteria related to the building products, and for which purpose? Because actors in the field are many, we will have several distinct answers, which may call for different tools. In other industrial sectors, two approaches have been experimented: the Life Cycle Analysis (LCA) and the environmental labelling. Between LCA and green labels, several relevant tools are in development for the building products, each of them adapted to specific users and objectives, and most often of limited use in other contexts. A short review of the studies already performed on the environmental quality of glazing and windows revealed quite a small amount of available matter, and justifies the work undertaken within the programme of IEA/SHCP/Task 27, which will be presented in the third part of this paper. (au)

  7. Neutron field characterization in the installation for BNCT study in the IEA-R1 reactor

    International Nuclear Information System (INIS)

    Carneiro Junior, Valdeci

    2008-01-01

    This work aims to characterize the mixed neutron and gamma field, in the sample irradiation position, in a research installation for Boron Neutron Capture Therapy (BNCT), in the IPEN IEA-R1 reactor. The BNCT technique has been studied as a safe and selective option in the treatment of resistant cancerigenous tumors or considered non-curable by the conventional techniques, for example, the Glioblastoma Multiform - a brain cancerigenous tumor. Neutron flux measurements were carried out: thermal, resonance and fast, as well as neutron and gamma rays doses, in the sample position, using activation foils detectors and thermoluminescent dosimeters. For the determination of the neutron spectrum and intensity, a set of different threshold activation foils and gold foils covered and uncovered with cadmium irradiated in the installation was used, analyzed by a high Pure Germanium semiconductor detector, coupled to an electronic system suitable for gamma spectrometry. The results were processed with the SAND-BP code. The doses due to gamma and neutron rays were determined using thermoluminescent dosimeters TLD 400 and TLD 700 sensitive to gamma and TLD 600, sensitive to neutrons. The TLDs were selected and used for obtaining the calibration curves - dosimeter answer versus dose - from each of the TLD three types, which were necessary to calculate the doses due to neutron and gamma, in the sample position. The radiation field, in the sample irradiation position, was characterized flux for thermal neutrons of 1.39.10 8 ± 0,12.10 8 n/cm 2 s the doses due to thermal neutrons are three times higher than those due to gamma radiation and confirm the reproducibility and consistency of the experimental findings obtained. Considering these results, the neutron field and gamma radiation showed to be appropriated for research in BNCT. (author)

  8. Characterization of filter cartridges from the IEA-R1 reactor by radiochemical method

    Energy Technology Data Exchange (ETDEWEB)

    Geraldo, Bianca; Vicente, Roberto; Ferreira, Robson J.; Goes, Marcos M.; Marumo, Julio T., E-mail: bgeraldo@ipen.br [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2015-07-01

    The filter cartridges used in water purification system of research nuclear reactor IEA-R1 are considered radioactive wastes after their useful life. The characterization of these wastes is one of the stages of management, which aims to identify and quantify the radionuclides present, including those known as 'difficult to measure' (DTM) radionuclides. Establish a radiochemical analysis methodology for this type of waste is a difficult job, not only by the application of these techniques, but also by the amount of radionuclides that should be analyzed. In the waste produced in a nuclear reactor, the most important radionuclides are fission products, activation products and transuranic elements. Since these radionuclides emit gamma radiation not measurable in its decay process and consequently are difficult to measure, their concentrations can be estimated by indirect methods such as scale factors. This method is used to evaluate the DTM concentration, which is represented by alpha and beta nuclides using the correlation between them and the radionuclide key, a gamma emitter. The objective of this work is to describe a radiochemical analysis methodology for gamma emitter nuclides, present in the filter cartridges, evaluating the activity and concentrations by destructive assays. At the same time, two studies have been performed by non-destructive assays, the first one based on dose rates and the point kernel method to correlate the results and the second one based on calibration efficiency with Monte Carlo method. These studies belong to the radioactive waste characterization program that has been conducted at the Waste Management Laboratory of Nuclear and Energy Research Institute, IPEN-CNEN/SP. (author)

  9. Application of nondestructive methods for qualification of high density fuels in the IEA-R1 reactor

    International Nuclear Information System (INIS)

    Silva, Jose E.R.; Silva, Antonio T.; Domingos, Douglas B.; Terremoto, Luis A.A.

    2011-01-01

    IPEN/CNEN-SP manufactures fuels to be used in its research reactor - the IEA-R1. To qualify those fuels, it is necessary to check if they have a good performance under irradiation. As Brazil still does not have nuclear research reactors with high neutron fluxes, or suitable hot cells for carrying out post-irradiation examination of nuclear fuels, IPEN/CNEN-SP has conducted a fuel qualification program based on the use of uranium compounds (U 3 O 8 and U 3 Si 2 dispersed in Al matrix) internationally tested and qualified to be used in research reactors, and has attained experience in the technological development stages for the manufacturing of fuel plates, irradiation and non-destructive post-irradiation testing. Fuel elements containing low volume fractions of fuel in the dispersion were manufactured and irradiated successfully directly in the core of the IEA-R1. However, there are plans at IPEN/CNEN-SP to increase the uranium density of the fuels. Ten fuel miniplates (five containing U 3 O 8 -Al and five containing U 3 Si 2 -Al), with densities of 3.2 gU/cm 3 and 4.8 gU/cm 3 respectively, are being irradiated inside an irradiation device placed in a peripheral position of the IEA-R1 core. Non-destructive methods will be used to evaluate irradiation performance of the fuel miniplates after successive cycles of irradiation, by means: monitoring the reactor parameters during operation; periodic underwater visual inspection of fuel miniplates, eventual sipping test for fuel miniplates suspected of leakage and underwater measuring of the miniplate thickness for assessment of the fuel miniplate swelling. (author)

  10. Application of nondestructive methods for qualification of high density fuels in the IEA-R1 reactor

    Energy Technology Data Exchange (ETDEWEB)

    Silva, Jose E.R.; Silva, Antonio T.; Domingos, Douglas B.; Terremoto, Luis A.A., E-mail: jersilva@ipen.b [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2011-07-01

    IPEN/CNEN-SP manufactures fuels to be used in its research reactor - the IEA-R1. To qualify those fuels, it is necessary to check if they have a good performance under irradiation. As Brazil still does not have nuclear research reactors with high neutron fluxes, or suitable hot cells for carrying out post-irradiation examination of nuclear fuels, IPEN/CNEN-SP has conducted a fuel qualification program based on the use of uranium compounds (U{sub 3}O{sub 8} and U{sub 3}Si{sub 2} dispersed in Al matrix) internationally tested and qualified to be used in research reactors, and has attained experience in the technological development stages for the manufacturing of fuel plates, irradiation and non-destructive post-irradiation testing. Fuel elements containing low volume fractions of fuel in the dispersion were manufactured and irradiated successfully directly in the core of the IEA-R1. However, there are plans at IPEN/CNEN-SP to increase the uranium density of the fuels. Ten fuel miniplates (five containing U{sub 3}O{sub 8}-Al and five containing U{sub 3}Si{sub 2}-Al), with densities of 3.2 gU/cm{sup 3} and 4.8 gU/cm{sup 3} respectively, are being irradiated inside an irradiation device placed in a peripheral position of the IEA-R1 core. Non-destructive methods will be used to evaluate irradiation performance of the fuel miniplates after successive cycles of irradiation, by means: monitoring the reactor parameters during operation; periodic underwater visual inspection of fuel miniplates, eventual sipping test for fuel miniplates suspected of leakage and underwater measuring of the miniplate thickness for assessment of the fuel miniplate swelling. (author)

  11. Ageing implementation and refurbishment development at the IEA-R1 nuclear research reactor: a 15 years experience

    International Nuclear Information System (INIS)

    Cardenas, Jose Patricio N.; Ricci Filho, Walter; Carvalho, Marcos R. de; Berretta, Jose Roberto; Marra Neto, Adolfo

    2011-01-01

    IPEN (Instituto de Pesquisas Energeticas e Nucleares) is a nuclear research center established into the Secretary of Science and Technology from the government of the state of Sao Paulo, and administered both technically and financially by Comissao Nacional de Energia Nuclear (CNEN), a federal government organization under the Ministry of Science and Technology. The institute is located inside the campus of the University of Sao Paulo, Sao Paulo city, Brazil. One of major nuclear facilities at IPEN is the IEA-R1 nuclear research reactor. It is the unique Brazilian research reactor with substantial power level suitable for application with research in physics, chemistry, biology and engineering, as well as radioisotope production for medical and other applications. Designed and built by Babcok-Wilcox, in accordance with technical specifications established by the Brazilian Nuclear Energy Commission, and financed by the US Atoms for Peace Program, it is a swimming pool type reactor, moderated and cooled by light water and uses graphite and beryllium as reflector elements. The first criticality was achieved on September 16, 1957 and the reactor is currently operating at 4.0 MW on a 64h per week cycle. Since 1996, an IEA-R1 reactor ageing study was established at the Research Reactor Center (CRPq) related with general deterioration of components belonging to some operational systems, as cooling towers from secondary cooling system, piping and pumps, sample irradiation devices, radiation monitoring system, fuel elements, rod drive mechanisms, nuclear and process instrumentation and safety operational system. Although basic structures are almost the same as the original design, several improvements and modifications in components, systems and structures had been made along reactor life. This work aims to show the development of the ageing program in the IEA-R1 reactor and the upgrading (modernization) that was carried out, concerning several equipment and system in the

  12. Ageing implementation and refurbishment development at the IEA-R1 nuclear research reactor: a 15 years experience

    Energy Technology Data Exchange (ETDEWEB)

    Cardenas, Jose Patricio N.; Ricci Filho, Walter; Carvalho, Marcos R. de; Berretta, Jose Roberto; Marra Neto, Adolfo, E-mail: ahiru@ipen.b, E-mail: wricci@ipen.b, E-mail: carvalho@ipen.b, E-mail: jrretta@ipen.b, E-mail: amneto@ipen.b [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2011-07-01

    IPEN (Instituto de Pesquisas Energeticas e Nucleares) is a nuclear research center established into the Secretary of Science and Technology from the government of the state of Sao Paulo, and administered both technically and financially by Comissao Nacional de Energia Nuclear (CNEN), a federal government organization under the Ministry of Science and Technology. The institute is located inside the campus of the University of Sao Paulo, Sao Paulo city, Brazil. One of major nuclear facilities at IPEN is the IEA-R1 nuclear research reactor. It is the unique Brazilian research reactor with substantial power level suitable for application with research in physics, chemistry, biology and engineering, as well as radioisotope production for medical and other applications. Designed and built by Babcok-Wilcox, in accordance with technical specifications established by the Brazilian Nuclear Energy Commission, and financed by the US Atoms for Peace Program, it is a swimming pool type reactor, moderated and cooled by light water and uses graphite and beryllium as reflector elements. The first criticality was achieved on September 16, 1957 and the reactor is currently operating at 4.0 MW on a 64h per week cycle. Since 1996, an IEA-R1 reactor ageing study was established at the Research Reactor Center (CRPq) related with general deterioration of components belonging to some operational systems, as cooling towers from secondary cooling system, piping and pumps, sample irradiation devices, radiation monitoring system, fuel elements, rod drive mechanisms, nuclear and process instrumentation and safety operational system. Although basic structures are almost the same as the original design, several improvements and modifications in components, systems and structures had been made along reactor life. This work aims to show the development of the ageing program in the IEA-R1 reactor and the upgrading (modernization) that was carried out, concerning several equipment and system in the

  13. Spatial distribution of the neutron flux in the IEA-R1 reactor core obtained by means of foil activation

    International Nuclear Information System (INIS)

    Mestnik Filho, J.

    1979-01-01

    A three-dimensional distribution of the neutron flux in IEA-R1 reactor, obtained by activating gold foils, is presented. The foils of diameter 8mm and thickness 0,013mm were mounted on lucite plates and located between the fuel element plates. Foil activities were measured using a 3x3 inches Nal(Tl) scintilation detector calibrated against a 4πβγ coincidence detector. Foil positions were chosen to minimize the errors of measurement; the overall estimated error on the measured flux is 5%. (Author) [pt

  14. IEA-Task 31 WAKEBENCH: Towards a protocol for wind farm flow model evaluation. Part 2: Wind farm wake models

    DEFF Research Database (Denmark)

    Moriarty, Patrick; Rodrigo, Javier Sanz; Gancarski, Pawel

    2014-01-01

    Researchers within the International Energy Agency (IEA) Task 31: Wakebench have created a framework for the evaluation of wind farm flow models operating at the microscale level. The framework consists of a model evaluation protocol integrated with a web-based portal for model benchmarking (www.......windbench.net). This paper provides an overview of the building-block validation approach applied to wind farm wake models, including best practices for the benchmarking and data processing procedures for validation datasets from wind farm SCADA and meteorological databases. A hierarchy of test cases has been proposed...

  15. IEA SHC Task 42/ECES Annex 29 – A Simple Tool for the Economic Evaluation of Thermal Energy Storages

    DEFF Research Database (Denmark)

    Rathgeber, Christoph; Hiebler, Stefan; Lävemann, Eberhard

    2016-01-01

    Within the framework of IEA SHC Task 42 / ECES Annex 29, a simple tool for the economic evaluation of thermal energy storages has been developed and tested on various existing storages. On that account, the storage capacity costs (costs per installed storage capacity) of thermal energy storages...... have been evaluated via a Top-down and a Bottom-up approach. The Top-down approach follows the assumption that the costs of energy supplied by the storage should not exceed the costs of energy from the market. The maximum acceptable storage capacity costs depend on the interest rate assigned...

  16. Doping of monocrystalline silicon with phosphorus by means of neutron irradiation at the IEA-R1 research reactor

    International Nuclear Information System (INIS)

    Carbonari, A.W.; Puget, M.A.C.

    1990-11-01

    The first neutron irradiation experiments with monocrystal silicon in the IEA-R1 research reactor of IPEN are related. The silicon is irradiated with phosphorus producing a N type semiconductor with a very small resistivity variation throughout the crystal volume. The neutrons induce nuclear reactions in Si-30 isotope and these atoms are then transformed in to phosphorous atoms. This process is known as Neutron Transmutation Doping. In order to irradiate the silicon crystals in the reactor, a specific device has been constructed, and it permits the irradiation of up to 2.5'' diameter monocrystals. (author)

  17. Insertion of reactivity (RIA) without scram in the reactor core IEA-R1 using code PARET

    International Nuclear Information System (INIS)

    Alves, Urias F.; Castrillo, Lazara S.; Lima, Fernando A.

    2013-01-01

    The modeling and analysis thermo hydraulics of a research reactor with MTR type fuel elements - Material Testing Reactor - was performed using the code PARET (Program for the Analysis of Reactor Transients) when in the system some external event is introduced that changed the reactivity in the reactor core. Transients of Reactivity Insertion of 0.5 , 1.5 and 2.0$/ 0.7s in the brazilian reactor IEA-R1 will be presented, and will be shown under what conditions it is possible to ensure the safe operation of its nucleus. (author)

  18. Upgrading the electrical system of the IEA-R1 reactor to avoid triggering event of accidents

    International Nuclear Information System (INIS)

    Mello, Jose Roberto de; Madi Filho, Tufic

    2015-01-01

    The IEA-R1 research reactor at the Institute of Energy and Nuclear Research (IPEN) is a research reactor open pool type, built and designed by the American firm 'Babcox and Wilcox', having as coolant and moderator demineralized light water and Beryllium and graphite, as reflectors. The power supply system is designed to meet the electricity demand required by the loads of the reactor (Security systems and systems not related to security) in different situations the plant can meet, such as during startup, normal operation at power, shutdown, maintenance, exchange of fuel elements and accident situations. Studies have been done on possible accident initiating events and deterministic techniques were applied to assess the consequences of such incidents. Thus, the methods used to identify and select the accident initiating events, the methods of analysis of accidents, including sequence of events, transient analysis and radiological consequences, have been described. Finally, acceptance criteria of radiological doses are described. Only a brief summary of the item concerning loss of electrical power will be presented. The loss of normal electrical power at the IEA-R1 reactor is very common. In the case of Electric External Power Loss, at the IEA-R1 reactor building, there may be different sequences of events, as described below. When the supply of external energy in the IEA-R1 facility fails, the Electrical Distribution Vital System, consisting of 4 (four) generators type 'UPS', starts operation, immediately and it will continue supplying power to the reactor control table, core cooling system and other security systems. To contribute to security, in the electric power failure, starts to operate the Emergency Cooling System (SRE). SRE has the function of removing residual heat from the core to prevent the melting of fuel elements in the event of loss of refrigerant to the core. Adding to the generators with batteries group system, new auxiliary

  19. Justify of implementation of a hot water layer system in swimming pool research reactor IEA-R1m

    International Nuclear Information System (INIS)

    Toyoda, Eduardo Yoshio; Gordon, Ana Maria Pinho Leite; Sordi, Gian-Maria A.A.

    2001-01-01

    The IPEN/CNEN-SP has a swimming pool research reactor (IEA-R1m) in operation since 1957 at 2 MW. In 1998, after some modifications, its nominal power increased to 5 MW. Among these modifications some adaptations had to be accomplished in the radiological protection and operational procedure. The present work aim to study the need of implementation of a hot water layer in order to reduce the dose in the workers in the vicinity of the reactor swimming pool. Applying the principles of radioprotection optimization, it was concluded that the decision of the construction of one hot water layer system in the reactor swimming pool, is not necessary. (author)

  20. Measurement of thermal, epithermal and fast neutron flux in the IEA-R1 reactor by the foil activation method

    International Nuclear Information System (INIS)

    Koskinas, M.F.

    1979-01-01

    Experimental and theoretical details of the foil activation method applied to neutrons flux measurements at the IEA-R1 reactor are presented. The thermal - and epithermal - neutron flux were determined form activation measurements of gold, cobalt and manganese foils; and for the fast neutron flux determination, aluminum, iron and nickel foils were used. The measurements of the activity induced in the metal foils were performed using a Ge-Li gamma spectrometry system. In each energy range of the reactor neutron spectrum, the agreement among the experimental flux values obtained using the three kind of materials, indicates the consistency of the theoretical approach and of the nuclear parameters selected. (Author) [pt

  1. Hazard and operability study (Haz Op) of the 2 MW IEA-R1 reactor startup procedures

    International Nuclear Information System (INIS)

    Sauer, Maria E.L.J.; Correa, Francisco; Sara Neto, Antonio J.; Costa, Carlos A.R. da; Santos, Cilas C. dos; Cardenas, Jose P.N.; Berretta, Jose R.; Neves Conti, Thadeu das

    1997-01-01

    This work presents the Hazard and Operability Study (Haz Op) applied to startup procedures of the 2 MW IEA-R1 research reactor, at IPEN/CNEN-S P. The Haz Op was developed by reviewing the procedures of the installation startup, in order to identify hazards and/or operational problems caused by deviations in the execution of these routines. This paper summarizes this study. describing some potential problems of relevant importance to safety as well as preventives and/or correctives measures to avoid their occurrence. Besides, an benefits evaluation and the technique limitations is made. (author). 5 refs., 1 tab

  2. IEA Wind Task 26. Wind Technology, Cost, and Performance Trends in Denmark, Germany, Ireland, Norway, the European Union, and the United States: 2007–2012

    Energy Technology Data Exchange (ETDEWEB)

    Vitina, Aisma [Ea Energy Analyses, Copenhagen (Denmark); Lüers, Silke [Deutsche WindGuard, Varel (Germany); Wallasch, Anna-Kathrin [Deutsche WindGuard, Varel (Germany); Berkhout, Volker [Fraunhofer IWES, Kassel (Germany); Duffy, Aidan [Dublin Inst. of Technology and Dublin Energy Lab. (Ireland); Cleary, Brendan [Dublin Inst. of Technology and Dublin Energy Lab. (Ireland); Husabø, Lief I. [Norwegian Water Resources and Energy Directorate (NVE), Oslo (Norway); Weir, David E. [Norwegian Water Resources and Energy Directorate (NVE), Oslo (Norway); Lacal-Arántegui, Roberto [European Commission, Ispra (Italy). Joint Research Centre; Hand, Maureen [National Renewable Energy Lab. (NREL), Golden, CO (United States); Lantz, Eric [National Renewable Energy Lab. (NREL), Golden, CO (United States); Belyeu, Kathy [Belyeu Consulting, Takoma Park, MD (United States); Wiser, Ryan H [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Bolinger, Mark [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Hoen, Ben [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

    2015-06-01

    The International Energy Agency Implementing Agreement for cooperation in Research, Development, and Deployment of Wind Energy Systems (IEA Wind) Task 26—The Cost of Wind Energy represents an international collaboration dedicated to exploring past, present and future cost of wind energy. This report provides an overview of recent trends in wind plant technology, cost, and performance in those countries that are currently represented by participating organizations in IEA Wind Task 26: Denmark, Germany, Ireland, Norway, and the United States as well as the European Union.

  3. Application of safety checklist to the analysis of the IEA-R1 reactor water retreatment system; Utilizacao do checklist de seguranca na analise do sistema de retratamento de agua do reator IEA-R1

    Energy Technology Data Exchange (ETDEWEB)

    Sauer, Maria Eugenia Lago Jacques; Sara Neto, Antonio Jorge; Lima, Toni Carlos Caboclo de; Ribeiro, Maria Alice Morato [Instituto de Pesquisas Energeticas e Nucleares (IPEN), Sao Paulo, SP (Brazil)]. E-mail: melsauer@ipen.br

    2005-07-01

    In 1999, the management of the IEA-R1 Research Reactor (pool type - 5 MWth), located at IPEN/CNEN-SP, started the evaluation of the Reactor Pool Water Retreatment System to identify operational aspects, which could compromise the operators safety. The purpose was to identify and propose enhancements to the system which would be installed to substitute for the existing one. This process was conducted through a qualitative study of the system in operation. This study was carried out by a team composed of specialists in reactor operation, systems maintenance and radiological protection, and one safety analyst. The study consisted, basically, in local inspections to verify the physical and operational conditions of each equipment / component as well as aspects related to maintenance activities of the system. The process control and the operator procedures associated with the retreatment of the reactor pool water were also reviewed. The methodology adopted to develop the study was based in process hazard analysis technique named Safety Checklist. This paper presents a summary of this study and the main results obtained. Some operational and safety problems identified, the prevention and/or correction means to avoid them, and the recommendations and suggestions that have been implemented to the new design of the IEA-R1 Reactor Water Retreatment System, whose installation was concluded in 2003, are also presented. (author)

  4. Coordination of joint actions in Muriaé’s (MG clothing lpa / Coordenação das ações conjuntas no APL de vestuário de Muriaé-MG

    Directory of Open Access Journals (Sweden)

    Cecilia Alves da Silva Antero

    2016-06-01

    Full Text Available Purpose: It sought to understand the coordination of the local production arrangement (LPA, especifically clothing production in the City of Muriaé, MG-Brazil. Originality/gap/relevance/implications: This study proposes the analytical model for comprehending how coordinating happens, as well as indicate relations between the elements that compose it, and the implications for the way in which these elements are manifested in a LPA context. It consists in an advance for understanding governance in LPA. We suggest means for systematizing the coordination of joint actions and mitigating challenges regarding means of production and means of coordinating. Key methodological aspects: A qualitative/descriptive research was performed, whose data was gathered through documents and partially structured interviews, conducted with twenty agents of said LPAs. The data was processed through NVivo® software and categorized by the content analysis technique. Summary of key results: It was found that the coordination is characterized by low levels of formality, integration and participation of the business representatives, management structure made of some entities and average integration and participation levels of the business representatives’ part. Results that support other studies developed about the practice. Key considerations/conclusions: It was identified factors that allow us to grasp the complex reality and dynamics of a LPA, as well as criteria for systematizing and comprehending how coordination happens and pointing out its implication in the development [of local business]. Out of strategies devised, it will be possible to direct the activities of coordinators from others LPAs, fostering local business development Objetivo: Buscou-se compreender a coordenação do arranjo produtivo local (APL de vestuário de Muriaé-MG.Originalidade/Lacuna/Relevância/Implicações: Este estudo contribui ao propor o modelo analítico para compreender a coordena

  5. Analysis of the IEA-R1 reactor start-up procedures - an application of the HazOp method

    International Nuclear Information System (INIS)

    Sauer, Maria Eugenia Lago Jacques

    2000-01-01

    An analysis of technological catastrophic events that took place in this century shows that human failure and vulnerability of risk management programs are the main causes for the occurrence of accidents. As an example, plants and complex systems where the interface man-machine is close, the frequency of failures tends to be higher. Thus, a comprehensive knowledge of how a specific process can be potentially hazardous is a sine qua non condition to the operators training, as well as to define and implement more efficient plans for loss prevention and risk management. A study of the IEA-R1 research reactor start-up procedures was carried out, based upon the methodology Hazard and Operability Study (HazOp). The analytical and qualitative multidisciplinary HazOp approach provided means to a comprehensive review of the reactor start-up procedures, contributing to improve the understanding of the potential hazards associated to deviations on performing this routine. The present work includes a historical summary and a detailed description of the HazOp technique, as well as case studies in the process industries and the use of expert systems in the application of the method. An analysis of 53 activities of the IEA-R1 reactor start-up procedures was made, resulting in 25 recommendations of changes covering aspects of the project, operation and safety of the reactor. Eleven recommendations have been implemented. (author)

  6. Application of safety checklist to the analysis of the IEA-R1 reactor water retreatment system

    International Nuclear Information System (INIS)

    Sauer, Maria Eugenia Lago Jacques; Sara Neto, Antonio Jorge; Lima, Toni Carlos Caboclo de; Ribeiro, Maria Alice Morato

    2005-01-01

    In 1999, the management of the IEA-R1 Research Reactor (pool type - 5 MWth), located at IPEN/CNEN-SP, started the evaluation of the Reactor Pool Water Retreatment System to identify operational aspects, which could compromise the operators safety. The purpose was to identify and propose enhancements to the system which would be installed to substitute for the existing one. This process was conducted through a qualitative study of the system in operation. This study was carried out by a team composed of specialists in reactor operation, systems maintenance and radiological protection, and one safety analyst. The study consisted, basically, in local inspections to verify the physical and operational conditions of each equipment / component as well as aspects related to maintenance activities of the system. The process control and the operator procedures associated with the retreatment of the reactor pool water were also reviewed. The methodology adopted to develop the study was based in process hazard analysis technique named Safety Checklist. This paper presents a summary of this study and the main results obtained. Some operational and safety problems identified, the prevention and/or correction means to avoid them, and the recommendations and suggestions that have been implemented to the new design of the IEA-R1 Reactor Water Retreatment System, whose installation was concluded in 2003, are also presented. (author)

  7. Measurement and calculation of spatial and energetic neutron flux in the IEA-R1 reactor core

    International Nuclear Information System (INIS)

    Bittelli, U.D.

    1988-01-01

    This work presents spatial and energetic flux distribution measured in the IEA-R1 reactor core. The thermal neutron flux was measured by gold activation foils (bare and covered with cadmium) in the fuel element number 108 (reaction: 197 Au(n,γ) 198 Au) at 451W overall reactor power. The fast neutron flux was measured by indium activation foils (reaction: 115 In(n,n') 115m In) in the fuel elements number 94 at 4510W overall reactor power. The neutron energy spectrum was adjusted by SAND II code with the data produced by the irradiation of seven activation detectors in the fuel element number 94 at 4510 W overall reactor power. The following reactions were used: 58 Fe(n,γ) 59 Fe, 232 Th(n,γ) 233 Th, 197 Au(n,γ) 198 Au, 59 Co(n,γ) 60 Co, 54 Fe(n,p) 54 Mn, 24 Mg(n,p) 24 Na, 47 Ti(n,p) 47 Sc, 48 Ti(n,p) 48 Sc and 115 In(n,n') 115m In. The experimental results compared to those obtained by CITATION (spatial distribution flux) and HAMMER (energetic distribution flux) code, showed good agreement. The results presented in this work are a good contribution for a better knowledge of spatial and energetic neutron flux distribution in the IEA-R1 reactor core, besides that the experimental procedure is easily applicable to another situations. (autor) [pt

  8. Effects of helium implantation on fatigue properties of F82H-IEA heat

    Energy Technology Data Exchange (ETDEWEB)

    Yamamoto, N.; Murase, Y.; Nagakawa, J. [National Research Institute for Metals, Tsukuba, Ibaraki (Japan)

    2007-07-01

    Full text of publication follows: Ferritic steels including reduced activation ones that have been recognized as attractive structural candidates for DEMO reactors and the beyond are known to be highly resistant to helium embrittlement. However, almost studies that deduced this behavior have been carried out by means of short time experiments such as tensile tests, and a few results are available concerning long term inspections, although the detrimental helium effect appears more severely in the latter. The aim of this work is to obtain further information on the influence of helium on fatigue properties of a representative reduced activation ferritic/martensitic steel F82H (8Cr2WVTa) using helium implantation technique with a cyclotron. The material examined is an IEA heat version of F82H. In order to realize a fine grain size due to thin specimens (0.08 mm thick) for ion irradiation, normalizing was conducted at rather low temperature of 1213 K, followed by tempering at 1023 K. Helium was implanted by {alpha}-particle irradiation at 823 K, a desired highest temperature of this material for first wall application, to the concentration of 100 appm He with an implantation rate of about 1.7 x 10{sup -3} appm He/s. Subsequent fatigue tests were conducted at the same temperature as that of irradiation, not only on implanted specimens but also on reference controls which were not implanted with helium but experienced the same metallurgical histories as those of irradiated ones. After fracture, samples were observed with electron microscopes. In short time periods, it has been notified that helium introduction caused no significant deterioration of both fatigue life and extension at fracture. In addition, all specimens failed in a fully trans-crystalline and ductile manner, irrespective of whether helium was present or not. Indication of grain boundary embrittlement was therefore not discerned. These facts would reflect insusceptible characteristics of this material to

  9. Effects of helium implantation on fatigue properties of F82H-IEA heat

    International Nuclear Information System (INIS)

    Yamamoto, N.; Murase, Y.; Nagakawa, J.

    2007-01-01

    Full text of publication follows: Ferritic steels including reduced activation ones that have been recognized as attractive structural candidates for DEMO reactors and the beyond are known to be highly resistant to helium embrittlement. However, almost studies that deduced this behavior have been carried out by means of short time experiments such as tensile tests, and a few results are available concerning long term inspections, although the detrimental helium effect appears more severely in the latter. The aim of this work is to obtain further information on the influence of helium on fatigue properties of a representative reduced activation ferritic/martensitic steel F82H (8Cr2WVTa) using helium implantation technique with a cyclotron. The material examined is an IEA heat version of F82H. In order to realize a fine grain size due to thin specimens (0.08 mm thick) for ion irradiation, normalizing was conducted at rather low temperature of 1213 K, followed by tempering at 1023 K. Helium was implanted by α-particle irradiation at 823 K, a desired highest temperature of this material for first wall application, to the concentration of 100 appm He with an implantation rate of about 1.7 x 10 -3 appm He/s. Subsequent fatigue tests were conducted at the same temperature as that of irradiation, not only on implanted specimens but also on reference controls which were not implanted with helium but experienced the same metallurgical histories as those of irradiated ones. After fracture, samples were observed with electron microscopes. In short time periods, it has been notified that helium introduction caused no significant deterioration of both fatigue life and extension at fracture. In addition, all specimens failed in a fully trans-crystalline and ductile manner, irrespective of whether helium was present or not. Indication of grain boundary embrittlement was therefore not discerned. These facts would reflect insusceptible characteristics of this material to high

  10. Development in fiscal 1999 of technology to put photovoltaic power generation system into practical use. International cooperation project Collection of information on IEA wind power research and development program; 1999 nendo taiyoko hatsuden systsem jitsuyoka gijutsu kaihatsu kokusai kyoryoku jigyo seika hokokusho. IEA furyoku kenkyu kaihatsu program ni kansuru joho shushu

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-03-01

    Participation was taken place in the executive committee for the implementation agreement of the IEA wind power research and development and other task workshops to investigate the status of research and development of wind power generation systems in other countries. The contents of the main activities under the implementation agreement of the IEA wind power research and development include researches on innovative technologies, analysis of the state-of-art wind power technologies, exchange of technological information, and expansion of the cooperation with industries, electric power operators, and non-IEA member countries. The agreement is participated currently by 17 countries and 19 contracted organizations from EC. The participants to the IEA R and D wind implementation agreement are taking activities in the tasks called the annexes. The activities of the annexes include exchange of fundamental technological information, annual generalization of the promotion of wind power energy utilization in the countries participated in the IEA implementation agreement, round-robin tests of windmills, and expansion of the wind characteristics database and the database for field rotor aerodynamics. Publications that have been issued include the 'Annual report', and newsletters issued once to twice annually. (NEDO)

  11. Development in fiscal 1999 of technology to put photovoltaic power generation system into practical use. International cooperation project Collection of information on IEA wind power research and development program; 1999 nendo taiyoko hatsuden systsem jitsuyoka gijutsu kaihatsu kokusai kyoryoku jigyo seika hokokusho. IEA furyoku kenkyu kaihatsu program ni kansuru joho shushu

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-03-01

    Participation was taken place in the executive committee for the implementation agreement of the IEA wind power research and development and other task workshops to investigate the status of research and development of wind power generation systems in other countries. The contents of the main activities under the implementation agreement of the IEA wind power research and development include researches on innovative technologies, analysis of the state-of-art wind power technologies, exchange of technological information, and expansion of the cooperation with industries, electric power operators, and non-IEA member countries. The agreement is participated currently by 17 countries and 19 contracted organizations from EC. The participants to the IEA R and D wind implementation agreement are taking activities in the tasks called the annexes. The activities of the annexes include exchange of fundamental technological information, annual generalization of the promotion of wind power energy utilization in the countries participated in the IEA implementation agreement, round-robin tests of windmills, and expansion of the wind characteristics database and the database for field rotor aerodynamics. Publications that have been issued include the 'Annual report', and newsletters issued once to twice annually. (NEDO)

  12. Remote Sensing of Complex Flows by Doppler Wind Lidar: Summary of Issues and Preliminary Recommendations from IEA Wind Task 32 Phase 1

    Energy Technology Data Exchange (ETDEWEB)

    Clifton, Andrew

    2017-06-21

    IEA Wind Task 32 seeks to identify and mitigate the barriers to the adoption of lidar for wind energy applications. In Phase 1 of the task, a working group looked at the state of the art of wind lidar in complex flow conditions. This presentation is a short summary of that work, given at the start of Phase 2.

  13. Joint Instability and Osteoarthritis

    Directory of Open Access Journals (Sweden)

    Darryl Blalock

    2015-01-01

    Full Text Available Joint instability creates a clinical and economic burden in the health care system. Injuries and disorders that directly damage the joint structure or lead to joint instability are highly associated with osteoarthritis (OA. Thus, understanding the physiology of joint stability and the mechanisms of joint instability-induced OA is of clinical significance. The first section of this review discusses the structure and function of major joint tissues, including periarticular muscles, which play a significant role in joint stability. Because the knee, ankle, and shoulder joints demonstrate a high incidence of ligament injury and joint instability, the second section summarizes the mechanisms of ligament injury-associated joint instability of these joints. The final section highlights the recent advances in the understanding of the mechanical and biological mechanisms of joint instability-induced OA. These advances may lead to new opportunities for clinical intervention in the prevention and early treatment of OA.

  14. Joint instability and osteoarthritis.

    Science.gov (United States)

    Blalock, Darryl; Miller, Andrew; Tilley, Michael; Wang, Jinxi

    2015-01-01

    Joint instability creates a clinical and economic burden in the health care system. Injuries and disorders that directly damage the joint structure or lead to joint instability are highly associated with osteoarthritis (OA). Thus, understanding the physiology of joint stability and the mechanisms of joint instability-induced OA is of clinical significance. The first section of this review discusses the structure and function of major joint tissues, including periarticular muscles, which play a significant role in joint stability. Because the knee, ankle, and shoulder joints demonstrate a high incidence of ligament injury and joint instability, the second section summarizes the mechanisms of ligament injury-associated joint instability of these joints. The final section highlights the recent advances in the understanding of the mechanical and biological mechanisms of joint instability-induced OA. These advances may lead to new opportunities for clinical intervention in the prevention and early treatment of OA.

  15. Phytomedicine in Joint Disorders

    Directory of Open Access Journals (Sweden)

    Dorin Dragos

    2017-01-01

    Full Text Available Chronic joint inflammatory disorders such as osteoarthritis and rheumatoid arthritis have in common an upsurge of inflammation, and oxidative stress, resulting in progressive histological alterations and disabling symptoms. Currently used conventional medication (ranging from pain-killers to biological agents is potent, but frequently associated with serious, even life-threatening side effects. Used for millennia in traditional herbalism, medicinal plants are a promising alternative, with lower rate of adverse events and efficiency frequently comparable with that of conventional drugs. Nevertheless, their mechanism of action is in many cases elusive and/or uncertain. Even though many of them have been proven effective in studies done in vitro or on animal models, there is a scarcity of human clinical evidence. The purpose of this review is to summarize the available scientific information on the following joint-friendly medicinal plants, which have been tested in human studies: Arnica montana, Boswellia spp., Curcuma spp., Equisetum arvense, Harpagophytum procumbens, Salix spp., Sesamum indicum, Symphytum officinalis, Zingiber officinalis, Panax notoginseng, and Whitania somnifera.

  16. Participatory action research advances climate change adaptation ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    2012-05-01

    May 1, 2012 ... The Application of Participatory Action Research to Climate Change Adaptation in ... Soil fertility management · A series of country case studies ... to 2012 as a joint initiative of Canada's International Development Research ...

  17. Development of methodology for characterization of cartridge filters from the IEA-R1 using the Monte Carlo method; Desenvolvimento de uma metodologia para caracterizacao do filtro cuno do reator IEA-R1 utilizando o Metodo Monte Carlo

    Energy Technology Data Exchange (ETDEWEB)

    Costa, Priscila

    2014-07-01

    The Cuno filter is part of the water processing circuit of the IEA-R1 reactor and, when saturated, it is replaced and becomes a radioactive waste, which must be managed. In this work, the primary characterization of the Cuno filter of the IEA-R1 nuclear reactor at IPEN was carried out using gamma spectrometry associated with the Monte Carlo method. The gamma spectrometry was performed using a hyperpure germanium detector (HPGe). The germanium crystal represents the detection active volume of the HPGe detector, which has a region called dead layer or inactive layer. It has been reported in the literature a difference between the theoretical and experimental values when obtaining the efficiency curve of these detectors. In this study we used the MCNP-4C code to obtain the detector calibration efficiency for the geometry of the Cuno filter, and the influence of the dead layer and the effect of sum in cascade at the HPGe detector were studied. The correction of the dead layer values were made by varying the thickness and the radius of the germanium crystal. The detector has 75.83 cm{sup 3} of active volume of detection, according to information provided by the manufacturer. Nevertheless, the results showed that the actual value of active volume is less than the one specified, where the dead layer represents 16% of the total volume of the crystal. A Cuno filter analysis by gamma spectrometry has enabled identifying energy peaks. Using these peaks, three radionuclides were identified in the filter: {sup 108m}Ag, {sup 110m}Ag and {sup 60}Co. From the calibration efficiency obtained by the Monte Carlo method, the value of activity estimated for these radionuclides is in the order of MBq. (author)

  18. Joint intentionality: from thin to thick

    Czech Academy of Sciences Publication Activity Database

    Koreň, Ladislav

    2016-01-01

    Roč. 2, č. 1 (2016), s. 75-85 ISSN 2196-9655 R&D Projects: GA ČR GA13-20785S Institutional support: RVO:67985955 Keywords : Tomasello * Cooperation * Joint intentionality * Joint action * Mindreading Subject RIV: AA - Philosophy ; Religion https://www.degruyter.com/view/j/jso.2016.2.issue-1/jso-2015-0047/jso-2015-0047.xml?format=INT

  19. Impacts of large amounts of wind power on design and operation of power systems, results of IEA collaboration

    DEFF Research Database (Denmark)

    Holttinen, Hannele; Meibom, Peter; Orths, Antje

    2011-01-01

    There are dozens of studies made and ongoing related to wind integration. However, the results are not easy to compare. IEA WIND R&D Task 25 on Design and Operation of Power Systems with Large Amounts of Wind Power collects and shares information on wind generation impacts on power systems......, with analyses and guidelines on methodologies. In the state-of-the-art report (October, 2007), and the final report of the 3 years period (July, 2009) the most relevant wind power grid integration studies have been analysed especially regarding methodologies and input data. Several issues that impact...... on the amount of wind power that can be integrated have been identified. Large balancing areas and aggregation benefits of wide areas help in reducing the variability and forecast errors of wind power as well as help in pooling more cost effective balancing resources. System operation and functioning...

  20. 25th International Conference on Industrial, Engineering & Other Applica- tions of Applied Intelligent Systems (IEA/AIE 2012)

    CERN Document Server

    Jiang, He; Ali, Moonis; Li, Mingchu; Modern Advances in Intelligent Systems and Tools

    2012-01-01

    Intelligent systems provide a platform to connect the research in artificial intelligence to real-world problem solving applications. Various intelligent systems have been developed to face real-world applications. This book discusses the modern advances in intelligent systems and the tools in applied artificial intelligence. It consists of twenty-three chapters authored by participants of the 25th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE 2012) which was held in Dalian, China. This book is divided into six parts, including Applied Intelligence, Cognitive Computing and Affective Computing, Data Mining and Intelligent Systems, Decision Support Systems, Machine Learning, and Natural Language Processing. Each part includes three to five chapters. In these chapters, many approaches, applications, restrictions, and discussions are presented. The material of each chapter is self-contained and was reviewed by at least two anonymous referees t...

  1. FALCAO - a relational database to storaging the variables monitored in the research reactor IEA-R1

    International Nuclear Information System (INIS)

    Gomes Neto, Jose; Andrade, Delvonei Alves de

    2007-01-01

    The objective of this work is to introduce all initial steps for the creation of a relational database, named FALCAO, to support the storaging of the monitored variables in the IEA-R1 research reactor, located in the Instituto de Pesquisas Energeticas e Nucleares, IPEN-CNEN/SP. As introduction, it is considered the modeling importance of the logic diagram and its direct influence in the integrity of the provided information. It is presented the concepts and steps of normalization and denormalization including the entities and relations involved in the logical model. It is also presented the effects of the model rules in the acquisition, loading and availability of the final information, under the performance concept, since the acquisition process, loads and provides lots of information in small intervals of time. The data logical model, considering the desired performance and the sharing information is also presented. (author)

  2. International benchmark study of advanced thermal hydraulic safety analysis codes against measurements on IEA-R1 research reactor

    Energy Technology Data Exchange (ETDEWEB)

    Hainoun, A., E-mail: pscientific2@aec.org.sy [Atomic Energy Commission of Syria (AECS), Nuclear Engineering Department, P.O. Box 6091, Damascus (Syrian Arab Republic); Doval, A. [Nuclear Engineering Department, Av. Cmdt. Luis Piedrabuena 4950, C.P. 8400 S.C de Bariloche, Rio Negro (Argentina); Umbehaun, P. [Centro de Engenharia Nuclear – CEN, IPEN-CNEN/SP, Av. Lineu Prestes 2242-Cidade Universitaria, CEP-05508-000 São Paulo, SP (Brazil); Chatzidakis, S. [School of Nuclear Engineering, Purdue University, West Lafayette, IN 47907 (United States); Ghazi, N. [Atomic Energy Commission of Syria (AECS), Nuclear Engineering Department, P.O. Box 6091, Damascus (Syrian Arab Republic); Park, S. [Research Reactor Design and Engineering Division, Basic Science Project Operation Dept., Korea Atomic Energy Research Institute (Korea, Republic of); Mladin, M. [Institute for Nuclear Research, Campului Street No. 1, P.O. Box 78, 115400 Mioveni, Arges (Romania); Shokr, A. [Division of Nuclear Installation Safety, Research Reactor Safety Section, International Atomic Energy Agency, A-1400 Vienna (Austria)

    2014-12-15

    Highlights: • A set of advanced system thermal hydraulic codes are benchmarked against IFA of IEA-R1. • Comparative safety analysis of IEA-R1 reactor during LOFA by 7 working teams. • This work covers both experimental and calculation effort and presents new out findings on TH of RR that have not been reported before. • LOFA results discrepancies from 7% to 20% for coolant and peak clad temperatures are predicted conservatively. - Abstract: In the framework of the IAEA Coordination Research Project on “Innovative methods in research reactor analysis: Benchmark against experimental data on neutronics and thermal hydraulic computational methods and tools for operation and safety analysis of research reactors” the Brazilian research reactor IEA-R1 has been selected as reference facility to perform benchmark calculations for a set of thermal hydraulic codes being widely used by international teams in the field of research reactor (RR) deterministic safety analysis. The goal of the conducted benchmark is to demonstrate the application of innovative reactor analysis tools in the research reactor community, validation of the applied codes and application of the validated codes to perform comprehensive safety analysis of RR. The IEA-R1 is equipped with an Instrumented Fuel Assembly (IFA) which provided measurements for normal operation and loss of flow transient. The measurements comprised coolant and cladding temperatures, reactor power and flow rate. Temperatures are measured at three different radial and axial positions of IFA summing up to 12 measuring points in addition to the coolant inlet and outlet temperatures. The considered benchmark deals with the loss of reactor flow and the subsequent flow reversal from downward forced to upward natural circulation and presents therefore relevant phenomena for the RR safety analysis. The benchmark calculations were performed independently by the participating teams using different thermal hydraulic and safety

  3. Development of an emergency core cooling system for the converted IEA-R1m research reactor

    Energy Technology Data Exchange (ETDEWEB)

    Torres, Walmir Maximo; Baptista Filho, Benedito Dias; Ting, Daniel Kao Sun [Instituto de Pesquisas Energeticas e Nucleares (IPEN), Sao Paulo, SP (Brazil). Dept. de Tecnologia de Reatores]. E-mail: wmtorres@net.ipen.br; bdbfilho@net.ipen.br; dksting@net.ipen.br

    1998-07-01

    This present work describes the development program carried out in the design and construction of the Emergency Core Cooling System for the IEA-R1m Research Reactor, including the system design, the experiments performed to validate the design, manufacturing, installation and commissioning. The experiments were performed in two phases. In the first phase, the spray flow rate and distribution were measured, using a full scale mock-up of the entire core, to establish the spray header geometry and specifications. In the second phase, a test section was fitted with electrically heated plates to simulate the fuel plates. Temperature measurements were carried out to demonstrate the effectiveness of the system to keep the temperatures below the limiting value. The experimental results were shown to the licensing authorities during the certification process. The main difficulties during the system assembly are also described. (author)

  4. Techno-economic analysis of bioenergy systems; Bioenergiasysteemien teknistaloudellinen analyysi. IEA Bioenergy Agreement Techno-economic Analysis

    Energy Technology Data Exchange (ETDEWEB)

    Solantausta, Y

    1996-12-31

    The objectives of the IEA Bioenergy Technoeconomic Analysis Activity are: To promote development of thermochemical biomass conversion methods by carrying out selected site specific feasibility studies in participating countries. Both agricultural and woody biomasses will be converted either into electricity or boiler fuels. To compare advanced technologies to commercial alternatives based on techno-economic basis to establish future development needs. To facilitate information exchange between participants on relevant basic process issues. Five countries (Finland, Canada, USA, Norway, Austria) are participating to the Activity. Initially two feasibility studies are planned for each country. Each study has three common elements: site specific, technical, and economic data. The site specific cases are described below in short. Products in the cases are electricity, heat and fuel oil. Total of two cases per country are planned

  5. Techno-economic analysis of bioenergy systems; Bioenergiasysteemien teknistaloudellinen analyysi. IEA Bioenergy Agreement Techno-economic Analysis

    Energy Technology Data Exchange (ETDEWEB)

    Solantausta, Y.

    1995-12-31

    The objectives of the IEA Bioenergy Technoeconomic Analysis Activity are: To promote development of thermochemical biomass conversion methods by carrying out selected site specific feasibility studies in participating countries. Both agricultural and woody biomasses will be converted either into electricity or boiler fuels. To compare advanced technologies to commercial alternatives based on techno-economic basis to establish future development needs. To facilitate information exchange between participants on relevant basic process issues. Five countries (Finland, Canada, USA, Norway, Austria) are participating to the Activity. Initially two feasibility studies are planned for each country. Each study has three common elements: site specific, technical, and economic data. The site specific cases are described below in short. Products in the cases are electricity, heat and fuel oil. Total of two cases per country are planned

  6. Criticality analysis of the storage tubes for irradiated fuel elements from the IEA-R1 with the MCNP code

    International Nuclear Information System (INIS)

    Maragni, M.G.; Moreira, J.M.L.

    1992-01-01

    A criticality safety analysis has been carried out for the storage tubes for irradiated fuel elements from the IEA-R1 research reactor. The analysis utilized the MCNP computer code which allows exact simulations of complex geometries. Aiming reducing the amount of input data, the fuel element cross-sections have been spatially smeared out. The earth material interstice between fuel elements has been approximated conservatively as concrete because its composition was unknown. The storage tubes have been found subcritical for the most adverse conditions (water flooding and un-irradiated fuel elements). A similar analysis with the KENO-IV computer code overestimated the KEF result but still confirmed the criticality safety of the storage tubes. (author)

  7. Development of a computational program to planning and control of the IEA-R1 reactor maintenance

    International Nuclear Information System (INIS)

    Martins, Mauro Onofre; Madi Filho, Tufic

    2013-01-01

    Maintenance is an essential activity in nuclear reactors. The components of safety systems of an industrial plant should have a low probability of failure, especially if there is a high risk of accidents that may cause environmental damage. In nuclear facilities, the presence of security systems is a technical specification and a requirement for their license and operation. In order to manage the entire information flow from the maintenance of the IEA-R1, a computational program (software) was developed, which not only plans and control all the maintenance, but also updates the documents and records to safeguard the quality, ensuring the safe operation of the reactor. The software has access levels and provides detailed reports of all maintenance planned and implemented, together with an individual history of the equipment during its lifetime in the facility. This work presents all the stages of the software development, description, compatibility, application, advantages and results obtained experimentally. (author)

  8. IEA Wind Task 23 Offshore Wind Technology and Deployment. Subtask 1 Experience with Critical Deployment Issues. Final Technical Report

    DEFF Research Database (Denmark)

    Lemming, Jørgen Kjærgaard

    The final report for IEA Wind Task 23, Offshore Wind Energy Technology and Deployment, is made up of two separate reports: Subtask 1: Experience with Critical Deployment Issues and Subtask 2: Offshore Code Comparison Collaborative (OC3). The Subtask 1 report included here provides background...... information and objectives of Task 23. It specifically discusses ecological issues and regulation, electrical system integration and offshore wind, external conditions, and key conclusions for Subtask 1. The Subtask 2 report covers OC3 background information and objectives of the task, OC3 benchmark exercises...... of aero-elastic offshore wind turbine codes, monopile foundation modeling, tripod support structure modeling, and Phase IV results regarding floating wind turbine modeling....

  9. Development of methodology for characterization of cartridge filters from the IEA-R1 using the Monte Carlo method

    International Nuclear Information System (INIS)

    Costa, Priscila

    2014-01-01

    The Cuno filter is part of the water processing circuit of the IEA-R1 reactor and, when saturated, it is replaced and becomes a radioactive waste, which must be managed. In this work, the primary characterization of the Cuno filter of the IEA-R1 nuclear reactor at IPEN was carried out using gamma spectrometry associated with the Monte Carlo method. The gamma spectrometry was performed using a hyperpure germanium detector (HPGe). The germanium crystal represents the detection active volume of the HPGe detector, which has a region called dead layer or inactive layer. It has been reported in the literature a difference between the theoretical and experimental values when obtaining the efficiency curve of these detectors. In this study we used the MCNP-4C code to obtain the detector calibration efficiency for the geometry of the Cuno filter, and the influence of the dead layer and the effect of sum in cascade at the HPGe detector were studied. The correction of the dead layer values were made by varying the thickness and the radius of the germanium crystal. The detector has 75.83 cm 3 of active volume of detection, according to information provided by the manufacturer. Nevertheless, the results showed that the actual value of active volume is less than the one specified, where the dead layer represents 16% of the total volume of the crystal. A Cuno filter analysis by gamma spectrometry has enabled identifying energy peaks. Using these peaks, three radionuclides were identified in the filter: 108m Ag, 110m Ag and 60 Co. From the calibration efficiency obtained by the Monte Carlo method, the value of activity estimated for these radionuclides is in the order of MBq. (author)

  10. IEA HPP Annex 29 - ground-source heat pumps overcoming technical and market barriers. Status report Norway

    International Nuclear Information System (INIS)

    Stene, Joern

    2004-12-01

    Norway is a member of Annex 29, 'Ground-Source Heat Pump Systems Overcoming Technical and Market Barriers' (2004-2006), organized under the umbrella of the International Energy Agency (IEA) and the IEA Heat Pump Programme (HPP). The 7 participating countries are Austria (Operating Agent), Canada, Japan, Norway, Spain, Sweden and the USA. The Norwegian participation is financed by ENOVA SF, and SINTEF Energy Research is responsible for planning and carrying out the Norwegian activities. This report provides a status for ground-source heat pump (GSHP) systems in Norway with regard to state-of-the-art technology, installation examples, geological data, costs and market opportunities. A Norwegian Internet home page for ground-source heat pump systems (www.energy.sintef.no/prosjekt/Annex29) is also presented. GSHP systems in Norway are classified as direct systems (groundwater and soil/ground) and indirect closed-loop systems (vertical-rock and horizontal-soil/ground). The vast majority of the installations are indirect closed-loop systems utilizing vertical boreholes in rock as a heat source, heat sink and thermal energy storage. GSHP systems are relatively capital intensive installations, but they achieve high energy efficiency due to the relatively high and stable heat source temperature and the fact that a considerable share of the cooling demand in non-residential buildings can be covered by means of free cooling. In order to obtain energy efficient and reliable GSHP installations, it is important to implement a total quality concept where focus is on quality and system integration during all stages of the project. A life cycle analysis (LCA) will be an important tool in such a concept, since both the investment costs as well as the lifetime operational and maintenance costs are included (author) (ml) Litt usikker pae tag 620- ikke en vanlig sintef rapportkode

  11. High-temperature acquifer thermal storage and underground heat storage; IEA ECES Annex 12: Hochtemperatur-Erdwaermesonden- und Aquiferwaermespeicher

    Energy Technology Data Exchange (ETDEWEB)

    Sanner, B.; Knoblich, K. [Giessen Univ. (Germany). Inst. fuer Angewandte Geowissenschaften; Koch, M.; Adinolfi, M. [Stuttgart Univ. (Germany). Inst. fuer Siedlungswasserbau, Wasserguete und Abfallwirtschaft

    1998-12-31

    Heat storage is essential for the reconciliation of heat supply and demand. The earth has already proved to be an excellent medium for storing large amounts of heat over longer periods of time, for instance during the cold and hot season. The efficiency of the storage is the better the lower storage losses are at high temperature levels. Unfortunately this can not be easily achieved. While thermal underground stores, which are widely used for cold storage, have proved to perform quite well at temperatures between 10 C - 40 C, it has been rather difficult to achieve similar results at higher temperatures up to 150 C as test and demonstration plants of the 1980s proved. This issue has again attracted so much interest that the IEA launched a project on high temperature underground storage in December 1998. (orig.) [Deutsch] Waermespeicherung ist von entscheidender Bedeutung, wenn es darum geht, ein Waermeangebot mit einer Waermenachfrage zeitlich zur Deckung zu bringen. Der Untergrund hat sich schon seit vielen Jahren als ein geeignetes Medium erwiesen, groessere Waermepumpen ueber laengere Zeitraeume wie etwa die kalten und warmen Jahreszeiten zu speichern. Die Effizienz eines solchen Speichers steigt mit der Hoehe des erreichten Temperaturniveaus und mit sinkenden Speicherverlusten, was leider eher gegenlaeufige Erscheinungen sind. Waehrend thermische Untergrundspeicher im Temperaturbereich von 10-40 C inzwischen erfolgreich demonstriert wurden und vor allem zur Kaeltespeicherung auch bereits vielfach eingesetzt werden, haben hoehere Temperaturen bis etwa 150 C in den Versuchs- und Demonstrationsanlagen der 80er Jahre vielfaeltige Probleme bereitet. Im Gefolge eines erneuten Interesses an unterirdischer thermischer Energiespeicherung wurde im Dezember 1997 ein Vorhaben des IEA Energiespeicherprogramms zu Untergrund-Waermespeichern hoeherer Temperatur eingerichtet. (orig.)

  12. International joint ventures

    DEFF Research Database (Denmark)

    Sørensen, Karsten Engsig

    2001-01-01

    The article analysis problems connected with corporate joint ventures. Among others the possible conflicts between the joint venture agreement and the statutes of the companies is examined, as well as certain problems connected to the fact that the joint venture partners have created commen control...... over their joint company....

  13. Application of TEMPPC code to the IEA-R1 nuclear reactor core hydrothermal calculations operating at 2 MW for determining the minimal coolant flow

    International Nuclear Information System (INIS)

    Frajndlich, R.; Sousa, J.A. de.

    1985-01-01

    A thermohydraulic study of the IEA-R1 nuclear reactor core on steady-state operating condition and forced convection, is presented. The objective of this calculation is to obtain the minimal flow rate of coolant necessary at the reactor core, limited by the temperature associated to the beginning of nucleate boiling over the fuel plates at a normal operating power (2MW) for a certain inlet coolant temperature. The coolant system safety level is also calculated in this paper, which is divided in three steps: thermohydraulic calculation, without using the uncertainty factors and, after that, considering these factor by two methods: the statistical and the conventional ones. Whichever the method accepted, the results obtained by the program TEMPPC show a great safety margin with respect to the termohydraulic parameters from the IEA-R1 nuclear reactor. (Author) [pt

  14. Method development and validation for simultaneous determination of IEA-R1 reactor’s pool water uranium and silicon content by ICP OES

    Science.gov (United States)

    Ulrich, J. C.; Guilhen, S. N.; Cotrim, M. E. B.; Pires, M. A. F.

    2018-03-01

    IPEN’s research reactor, IEA-R1, an open pool type research reactor moderated and cooled by light water. High quality water is a key factor in preventing the corrosion of the spent fuel stored in the pool. Leaching of radionuclides from the corroded fuel cladding may be prevented by an efficient water treatment and purification system. However, as a safety management policy, IPEN has adopted a water chemistry control which periodically monitors the levels of uranium (U) and silicon (Si) in the pool’s reactor, since IEA-R1 employs U3Si2-Al dispersion fuel. An analytical method was developed and validated for the determination of uranium and silicon by ICP OES. This work describes the validation process, in a context of quality assurance, including the parameters selectivity, linearity, quantification limit, precision and recovery.

  15. Automation of the computational programs and codes used in the methodology of neutronic and thermohydraulic calculation for the IEA-R1 nuclear reactor

    International Nuclear Information System (INIS)

    Stefani, Giovanni Laranjo de

    2009-01-01

    This work proceeds the elaboration of a computational program for execution of various neutron and thermalhydraulic calculation methodology programs of the IEA-R1-Sao Paulo, Brazil, making the process more practical and safe, besides transforming de output data of each program an automatic process. This reactor is largely used for production of radioisotopes for medical use, material irradiation, personnel training and also for basic research. For that purposes it is necessary to change his core configuration in order to adapt the reactor for different uses. The work will transform various existent programs into subroutines of a principal program, i.e.,a program which call each of the programs automatically when necessary, and create another programs for manipulation the output data and therefore making practical the process

  16. Joint Replacement (Finger and Wrist Joints)

    Science.gov (United States)

    ... All Topics A-Z Videos Infographics Symptom Picker Anatomy Bones Joints Muscles Nerves Vessels Tendons About Hand Surgery What is a Hand Surgeon? What is a Hand Therapist? Media Find a Hand Surgeon Home Anatomy Joint Replacement Email to a friend * required fields ...

  17. Considerations about decommissioning of the IEA-R1 research reactor and the future of its installations after shutdown; Consideracoes sobre o descomissionamento do reator de pesquisa IEA-R1 e futuro de suas instalacoes apos o seu desligamento

    Energy Technology Data Exchange (ETDEWEB)

    Frajndlich, Roberto

    2014-07-01

    The IEA-R1 Nuclear Research Reactor, in operation since 1957, in the Instituto de Pesquisas Energeticas e Nucleares (IPEN-CNEN/SP), is one of the oldest research reactors in the world. However at some point in time in the future, as example of the other reactors, it will be shutdown definitively. Before that time actually arrives, the operational organization needs to plan the future of its installations and define the final destination of equipment and radioactive as well as non-radioactive material contained inside the installations. These and other questions should be addressed in the so called Preliminary decommissioning plan of the installation, which is the subject of this work. The work initially presents an over view about the theme and defines the general and specific objectives describing, in succession, the directions that the operating organization should consider for the formulation of a decommissioning plan. The present structure of the Brazilian nuclear sector emphasizing principally the norms utilized in the management of radioactive waste is also presented. A description of principle equipment of the IEA-R1 reactor which constitutes its inventory of radioactive and non-radioactive material is given. The work emphasizes the experience of the reactor technicians, acquired during several reforms and modifications of the reactor installations realized during its useful life time. This experience may be of great help for the decommissioning in the future. An experiment using the high resolution gamma spectrometric method and computer calculation using Monte Carlo theory were performed with the objective of obtaining an estimate of the radioactive waste produced from dismantling of the reactor pool walls. The cost of reactor decommissioning for different choices of strategies was determined using the CERREX code. Finally, a discussion about different strategies is presented. On the basis of these discussions it is concluded that the most advantageous

  18. Study and project of the new rack with boron for storage of fuel elements burned in the IEA-R1 research reactor

    Energy Technology Data Exchange (ETDEWEB)

    Rodrigues, Antonio Carlos Iglesias; Madi Filho, Tufic; Silva, Davilson Gomes da, E-mail: acirodri@ipen.br, E-mail: tmfilho@usp.br, E-mail: dgsilva@ipen.br [Instituto de Pesquisas Energéticas e Nucleares (IPEN/CNEN-SP), São Paulo, SP (Brazil)

    2017-07-01

    The IEA-R1 research reactor works 40h weekly with 4.5 Mw power. The storage rack for spent fuel elements has less than half of its initial capacity. Under these conditions (current conditions of reactor operation 32h weekly will have 3 spend fuel by year, then, approximately 3 utilization rate Positions/year). Thus, we will have only about six years of capacity for storage. Whereas the desired service life of the IEA-R1 is at least another 20 years, it will be necessary to increase the storage capacity of spent fuel. Hence, it is necessary to double the wet storage capacity (storage in the IEA-R1 reactor's pool). After reviewing the literature about materials available for use in the construction of the new storage rack with absorber of neutrons, the BoralcanTM (manufactured by 3TMhis) was chosen due to its properties. This work presents studies: (a) for the construction of new storages racks with double of the current capacity using the same place of current storages racks and (b) criticality analysis using the MCNP-5 code. Two American Nuclear Data Library were used: ENDF / B-VI and ENDF / B-VII, and the results obtained for each data bases were compared. These analyzes confirm the possibility of doubling the storage capacity of fuel elements burned in the same place occupied by the current storage rack attending to the IEA-R1 reactor needs and attending the safety requirements according to the National Nuclear Energy Commission - CNEN and the International Atomic Energy Agency (IAEA). To calculate the k{sub eff} were considered new fuel elements (maximum possible reactivity) used in full charge of the storage rack. With the results obtained in the simulation we can conclude that doubling the amount of racks for spent fuel elements are complied with safety limits established in the IAEA standards and CNEN of criticality (keff < 0.95). (author)

  19. Fracture toughness of the IEA heat of F82H ferritic/martensitic stainless steel as a function of loading mode

    Energy Technology Data Exchange (ETDEWEB)

    Li, Huaxin; Gelles, D.S. [Pacific Northwest Labs., Richland, WA (United States); Hirth, J.P. [Washington State Univ., Pullman, WA (United States)] [and others

    1997-04-01

    Mode I and mixed-mode I/III fracture toughness tests were performed for the IEA heat of the reduced activation ferritic/martensitic stainless steel F82H at ambient temperature in order to provide comparison with previous measurements on a small heat given a different heat treatment. The results showed that heat to heat variations and heat treatment had negligible consequences on Mode I fracture toughness, but behavior during mixed-mode testing showed unexpected instabilities.

  20. Flow distribution experimental study on the emergency core cooling system of the IEA-R1m - IPEN-CNEN/SP - Brazil

    International Nuclear Information System (INIS)

    Torres, Walmir Maximo; Baptista Filho, Benedito Dias; Ting, Daniel Kao Sun

    1999-01-01

    This paper presents a brief description of Emergency Core Cooling System designed by the IEA-R1m Reactor and the experimental results of flow distribution over the core. Several parameters were evaluated, such as: relative position of spray header to the reactor core; type and quantity of spray nozzles; spray nozzles position on spray header; and total spray flow. The main conclusions are presented. (author)