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  1. NIST biometric evaluations and developments

    Science.gov (United States)

    Garris, Michael D.; Wilson, Charles L.

    2005-05-01

    This paper presents an R&D framework used by the National Institute of Standards and Technology (NIST) for biometric technology testing and evaluation. The focus of this paper is on fingerprint-based verification and identification. Since 9-11 the NIST Image Group has been mandated by Congress to run a program for biometric technology assessment and biometric systems certification. Four essential areas of activity are discussed: 1) developing test datasets, 2) conducting performance assessment; 3) technology development; and 4) standards participation. A description of activities and accomplishments are provided for each of these areas. In the process, methods of performance testing are described and results from specific biometric technology evaluations are presented. This framework is anticipated to have broad applicability to other technology and application domains.

  2. USCEA/NIST measurement assurance programs for the radiopharmaceutical and nuclear power industries

    International Nuclear Information System (INIS)

    Golas, D.B.

    1993-01-01

    In cooperation with the U.S. Council for Energy Awareness (USCEA), the National Institute of Standards and Technology (NIST) supervises and administers two measurement assurance programs for radioactivity measurement traceability. One, in existence since the mid 1970s, provides traceability to suppliers of radiochemicals and radiopharmaceuticals, dose calibrators, and nuclear pharmacy services. The second program, begun in 1987, provides traceability to the nuclear power industry for utilities, source suppliers, and service laboratories. Each program is described, and the results of measurements of samples of known, but undisclosed activity, prepared at NIST and measured by the participants are presented

  3. USCEA/NIST measurement assurance programs for the radiopharmaceutical and nuclear power industries

    Energy Technology Data Exchange (ETDEWEB)

    Golas, D.B. [Council for Energy Awareness, Washington, DC (United States)

    1993-12-31

    In cooperation with the U.S. Council for Energy Awareness (USCEA), the National Institute of Standards and Technology (NIST) supervises and administers two measurement assurance programs for radioactivity measurement traceability. One, in existence since the mid 1970s, provides traceability to suppliers of radiochemicals and radiopharmaceuticals, dose calibrators, and nuclear pharmacy services. The second program, begun in 1987, provides traceability to the nuclear power industry for utilities, source suppliers, and service laboratories. Each program is described, and the results of measurements of samples of known, but undisclosed activity, prepared at NIST and measured by the participants are presented.

  4. Reflective Optical Chopper Used in NIST High-Power Laser Measurements

    Directory of Open Access Journals (Sweden)

    Cromer, Chris

    2008-11-01

    Full Text Available For the past ten years, NIST has used high-reflectivity, optical choppers as beamsplitters and attenuators when calibrating the absolute responsivity and response linearity of detectors used with high-power CW lasers. The chopper-based technique has several advantages over the use of wedge-shaped transparent materials (usually crystals often used as beam splitters in this type of measurement system. We describe the design, operation and calibration of these choppers. A comparison between choppers and transparent wedge beampslitters is also discussed.

  5. NIST display colorimeter calibration facility

    Science.gov (United States)

    Brown, Steven W.; Ohno, Yoshihiro

    2003-07-01

    A facility has been developed at the National Institute of Standards and Technology (NIST) to provide calibration services for color-measuring instruments to address the need for improving and certifying the measurement uncertainties of this type of instrument. While NIST has active programs in photometry, flat panel display metrology, and color and appearance measurements, these are the first services offered by NIST tailored to color-measuring instruments for displays. An overview of the facility, the calibration approach, and associated uncertainties are presented. Details of a new tunable colorimetric source and the development of new transfer standard instruments are discussed.

  6. Recent Developments in the NIST Atomic Databases

    Science.gov (United States)

    Kramida, Alexander

    2011-05-01

    New versions of the NIST Atomic Spectra Database (ASD, v. 4.0) and three bibliographic databases (Atomic Energy Levels and Spectra, v. 2.0, Atomic Transition Probabilities, v. 9.0, and Atomic Line Broadening and Shapes, v. 3.0) have recently been released. In this contribution I will describe the main changes in the way users get the data through the Web. The contents of ASD have been significantly extended. In particular, the data on highly ionized tungsten (W III-LXXIV) have been added from a recently published NIST compilation. The tables for Fe I and Fe II have been replaced with newer, much more extensive lists (10000 lines for Fe I). The other updated or new spectra include H, D, T, He I-II, Li I-III, Be I-IV, B I-V, C I-II, N I-II, O I-II, Na I-X, K I-XIX, and Hg I. The new version of ASD now incorporates data on isotopes of several elements. I will describe some of the issues the NIST ASD Team faces when updating the data.

  7. Recent Developments in the NIST Atomic Databases

    International Nuclear Information System (INIS)

    Kramida, Alexander

    2011-01-01

    New versions of the NIST Atomic Spectra Database (ASD, v. 4.0) and three bibliographic databases (Atomic Energy Levels and Spectra, v. 2.0, Atomic Transition Probabilities, v. 9.0, and Atomic Line Broadening and Shapes, v. 3.0) have recently been released. In this contribution I will describe the main changes in the way users get the data through the Web. The contents of ASD have been significantly extended. In particular, the data on highly ionized tungsten (W III-LXXIV) have been added from a recently published NIST compilation. The tables for Fe I and Fe II have been replaced with newer, much more extensive lists (10000 lines for Fe I). The other updated or new spectra include H, D, T, He I-II, Li I-III, Be I-IV, B I-V, C I-II, N I-II, O I-II, Na I-X, K I-XIX, and Hg I. The new version of ASD now incorporates data on isotopes of several elements. I will describe some of the issues the NIST ASD Team faces when updating the data.

  8. The 2016 NIST Speaker Recognition Evaluation

    Science.gov (United States)

    2017-08-20

    impact on system performance. Index Terms: NIST evaluation, NIST SRE, speaker detection, speaker recognition, speaker verification 1. Introduction NIST... self -reported. Second, there were two training conditions in SRE16, namely fixed and open. In the fixed training condition, par- ticipants were only

  9. Conversion Preliminary Safety Analysis Report for the NIST Research Reactor

    Energy Technology Data Exchange (ETDEWEB)

    Diamond, D. J. [Brookhaven National Lab. (BNL), Upton, NY (United States); Baek, J. S. [Brookhaven National Lab. (BNL), Upton, NY (United States); Hanson, A. L. [Brookhaven National Lab. (BNL), Upton, NY (United States); Cheng, L-Y [Brookhaven National Lab. (BNL), Upton, NY (United States); Brown, N. [Brookhaven National Lab. (BNL), Upton, NY (United States); Cuadra, A. [Brookhaven National Lab. (BNL), Upton, NY (United States)

    2015-01-30

    The NIST Center for Neutron Research (NCNR) is a reactor-laboratory complex providing the National Institute of Standards and Technology (NIST) and the nation with a world-class facility for the performance of neutron-based research. The heart of this facility is the NIST research reactor (aka NBSR); a heavy water moderated and cooled reactor operating at 20 MW. It is fueled with high-enriched uranium (HEU) fuel elements. A Global Threat Reduction Initiative (GTRI) program is underway to convert the reactor to low-enriched uranium (LEU) fuel. This program includes the qualification of the proposed fuel, uranium and molybdenum alloy foil clad in an aluminum alloy, and the development of the fabrication techniques. This report is a preliminary version of the Safety Analysis Report (SAR) that would be submitted to the U.S. Nuclear Regulatory Commission (NRC) for approval prior to conversion. The report follows the recommended format and content from the NRC codified in NUREG-1537, “Guidelines for Preparing and Reviewing Applications for the Licensing of Non-power Reactors,” Chapter 18, “Highly Enriched to Low-Enriched Uranium Conversions.” The emphasis in any conversion SAR is to explain the differences between the LEU and HEU cores and to show the acceptability of the new design; there is no need to repeat information regarding the current reactor that will not change upon conversion. Hence, as seen in the report, the bulk of the SAR is devoted to Chapter 4, Reactor Description, and Chapter 13, Safety Analysis.

  10. NIST Gonio-spectroradiometer

    Data.gov (United States)

    Federal Laboratory Consortium — The NIST gonio-spectroradiometer is used to measure total spectral radiant flux (TSRF) of incandescent lamps. The instrument consists of a 3-axis scanning mechanism;...

  11. NIST: Information Management in the AMRF

    Science.gov (United States)

    Callaghan, George (Editor)

    1991-01-01

    The information management strategies developed for the NIST Automated Manufacturing Research Facility (AMRF) - a prototype small batch manufacturing facility used for integration and measurement related standards research are outlined in this video. The five major manufacturing functions - design, process planning, off-line programming, shop floor control, and materials processing are explained and their applications demonstrated.

  12. The new NIST atomic spectra database

    International Nuclear Information System (INIS)

    Kelleher, D.E.; Martin, W.C.; Wiese, W.L.; Sugar, J.; Fuhr, J.R.; Olsen, K.; Musgrove, A.; Mohr, P.J.; Reader, J.; Dalton, G.R.

    1999-01-01

    The new atomic spectra database (ASD), Version 2.0, of the National Institute of Standards and Technology (NIST) contains significantly more data and covers a wider range of atomic and ionic transitions and energy levels than earlier versions. All data are integrated. It also has a new user interface and search engine. ASD contains spectral reference data which have been critically evaluated and compiled by NIST. Version 2.0 contains data on 900 spectra, with about 70000 energy levels and 91000 lines ranging from about 1 Aangstroem to 200 micrometers, roughly half of which have transition probabilities with estimated uncertainties. References to the NIST compilations and original data sources are listed in the ASD bibliography. A detailed ''Help'' file serves as a user's manual, and full search and filter capabilities are provided. (orig.)

  13. Reference metrology in a research fab: the NIST clean calibrations thrust

    Science.gov (United States)

    Dixson, Ronald; Fu, Joe; Orji, Ndubuisi; Renegar, Thomas; Zheng, Alan; Vorburger, Theodore; Hilton, Al; Cangemi, Marc; Chen, Lei; Hernandez, Mike; Hajdaj, Russell; Bishop, Michael; Cordes, Aaron

    2009-03-01

    In 2004, the National Institute of Standards and Technology (NIST) commissioned the Advanced Measurement Laboratory (AML) - a state-of-the-art, five-wing laboratory complex for leading edge NIST research. The NIST NanoFab - a 1765 m2 (19,000 ft2) clean room with 743 m2 (8000 ft2) of class 100 space - is the anchor of this facility and an integral component of the new Center for Nanoscale Science and Technology (CNST) at NIST. Although the CNST/NanoFab is a nanotechnology research facility with a different strategic focus than a current high volume semiconductor fab, metrology tools still play an important role in the nanofabrication research conducted here. Some of the metrology tools available to users of the NanoFab include stylus profiling, scanning electron microscopy (SEM), and atomic force microscopy (AFM). Since 2001, NIST has collaborated with SEMATECH to implement a reference measurement system (RMS) using critical dimension atomic force microscopy (CD-AFM). NIST brought metrology expertise to the table and SEMATECH provided access to leading edge metrology tools in their clean room facility in Austin. Now, in the newly launched "clean calibrations" thrust at NIST, we are implementing the reference metrology paradigm on several tools in the CNST/NanoFab. Initially, we have focused on calibration, monitoring, and uncertainty analysis for a three-tool set consisting of a stylus profiler, an SEM, and an AFM. Our larger goal is the development of new and supplemental calibrations and standards that will benefit from the Class 100 environment available in the NanoFab and offering our customers calibration options that do not require exposing their samples to less clean environments. Toward this end, we have completed a preliminary evaluation of the performance of these instruments. The results of these evaluations suggest that the achievable uncertainties are generally consistent with our measurement goals.

  14. 77 FR 18791 - Proposed Information Collection; Comment Request; NIST Associates Information System

    Science.gov (United States)

    2012-03-28

    ... DEPARTMENT OF COMMERCE National Institute of Standards and Technology Proposed Information Collection; Comment Request; NIST Associates Information System AGENCY: National Institute of Standards and... access to the NIST campuses or NIST resources. The NIST Associates Information System (NAIS) information...

  15. Analysis of Bone Meal (NIST 1486) and Bone Ash (NIST 1400) reference materials by neutron activation method; Analise de materiais de referencia Bone Meal (NIST 1486) e Bone Ash (NIST 1400) pelo metodo de ativacao com neutrons

    Energy Technology Data Exchange (ETDEWEB)

    Takata, Marcelo K.; Saiki, Mitiko [Instituto de Pesquisas Energeticas e Nucleares (IPEN), Sao Paulo, SP (Brazil); Borelli, Aurelio [Sao Paulo Univ., SP (Brazil). Faculdade de Medicina

    1999-11-01

    In this work instrumental neutron activation analysis has been applied to determine Ba, ca, Cl, Cr, fe, Mg, Mn, Na, P, Sb, Sc, Sr and Zn in two biological reference materials NIST 1486 Bone Meal and NIST 1400 Bone Ash. The purpose of this work was to evaluate the precision and the accuracy of the results as well as to give a contribution to certificate these materials. Interferences found in the determination of some elements were also discussed. (author) 8 refs., 4 tabs.

  16. Measurement quality assurance for beta particle calibrations at NIST

    Energy Technology Data Exchange (ETDEWEB)

    Soares, C.G.; Pruitt, J.S. [National Institute of Standards and Technology, Gaithersburg, MD (United States)

    1993-12-31

    Standardized beta-particle fields have been established in an international standard and have been adopted for use in several U.S. dosimeter and instrument testing standards. Calibration methods and measurement quality assurance procedures employed at the National Institute of Standards and Technology (NIST) for beta-particle calibrations in these reference fields are discussed. The calibration facility including the NIST-automated extrapolation ionization chamber is described, and some sample results of calibrations are shown. Methods for establishing and maintaining traceability to NIST of secondary laboratories are discussed. Currently, there are problems in finding a good method for routine testing of traceability to NIST. Some examples of past testing methods are given and solutions to this problem are proposed.

  17. Measurement quality assurance for beta particle calibrations at NIST

    International Nuclear Information System (INIS)

    Soares, C.G.; Pruitt, J.S.

    1993-01-01

    Standardized beta-particle fields have been established in an international standard and have been adopted for use in several U.S. dosimeter and instrument testing standards. Calibration methods and measurement quality assurance procedures employed at the National Institute of Standards and Technology (NIST) for beta-particle calibrations in these reference fields are discussed. The calibration facility including the NIST-automated extrapolation ionization chamber is described, and some sample results of calibrations are shown. Methods for establishing and maintaining traceability to NIST of secondary laboratories are discussed. Currently, there are problems in finding a good method for routine testing of traceability to NIST. Some examples of past testing methods are given and solutions to this problem are proposed

  18. Consensus values for NIST biological and environmental Standard Reference Materials

    International Nuclear Information System (INIS)

    Roelandts, I.; Gladney, E.S.

    1998-01-01

    The National Institute of Standards and Technology (NIST, formerly the National Bureau of Standards or NBS) has produced numerous Standard Reference Materials (SRM) for use in biological and environmental analytical chemistry. The value listed on the ''NIST Certificate of Analysis'' is the present best estimate of the ''true'' concentration of that element and is not expected to deviate from that concentration by more than the stated uncertainty. However, NIST does not certify the elemental concentration of every constituent and the number of elements reported in the NIST programs tends to be limited.Numerous analysts have published concentration data on these reference materials. Major journals in analytical chemistry, books, proceedings and ''technical reports'' have been surveyed to collect these available literature values. A standard statistical approach has been employed to evaluate the compiled data. Our methodology has been developed in a series of previous papers. Some subjective criteria are first used to reject aberrant data. Following these eliminations, an initial arithmetic mean and standard deviation (S.D.) are computed from remaining data for each element. All data now outside two S.D. from the initial mean are dropped and a second mean and S.D. recalculated. These final means and associated S.D. are reported as ''consensus values'' in our tables. (orig.)

  19. NIST commitment to national MQA programs

    Energy Technology Data Exchange (ETDEWEB)

    Caswell, R.S. [National Institute of Standards and Technology, Gaithersburg, MD (United States)

    1993-12-31

    The program of the Ionizing Radiation Division, Physics Laboratory is discussed, especially relating to standards, calibrations, and measurement quality assurance (MQA). The NIST program is {open_quotes}vertically integrated,{close_quotes} meaning that activities extend from fundamental research to measurement research to supplying services and data. Typical methods NIST uses to assure the quality of the national standards are presented. Some of the programs in x-ray, gamma-ray, electron, neutron, and radioactivity research which support MQA are presented. Examples are given of MQA activities.

  20. NIST commitment to national MQA programs

    International Nuclear Information System (INIS)

    Caswell, R.S.

    1993-01-01

    The program of the Ionizing Radiation Division, Physics Laboratory is discussed, especially relating to standards, calibrations, and measurement quality assurance (MQA). The NIST program is open-quotes vertically integrated,close quotes meaning that activities extend from fundamental research to measurement research to supplying services and data. Typical methods NIST uses to assure the quality of the national standards are presented. Some of the programs in x-ray, gamma-ray, electron, neutron, and radioactivity research which support MQA are presented. Examples are given of MQA activities

  1. NIST high-dose calibration services

    International Nuclear Information System (INIS)

    Humphreys, J.C.

    1989-01-01

    There is a need for the standardization of high-dose measurements used in the radiation-processing industry in order to provide assured traceability to national standards. NIST provides dosimetry calibration services to this industry. One of these services involves administration of known absorbed doses of gamma rays to customer-supplied dosimeters. The dosimeters are packaged to provide electron equilibrium conditions and are irradiated in a standard 60 Co calibration facility; this provides a calibration of that batch of dosimeters. Another service consists of supplying to a customer calibrated transfer dosimeters for irradiation with the customer's radiation source. The irradiated transfer dosimeters are then returned to NIST for analysis; the results are reported to the customer, providing a calibration of the dose rate of the customer's source. (orig.)

  2. NIST Accelerator Facilities And Programs In Support Of Industrial Radiation Research

    International Nuclear Information System (INIS)

    Bateman, F.B.; Desrosiers, M.F.; Hudson, L.T.; Coursey, B.M.; Bergstrom, P.M. Jr.; Seltzer, S.M.

    2003-01-01

    NIST's Ionizing Radiation Division maintains and operates three electron accelerators used in a number of applications including waste treatment and sterilization, radiation hardness testing, detector calibrations and materials modification studies. These facilities serve a large number of governmental, academic and industrial users as well as an active intramural research program. They include a 500 kV cascaded-rectifier accelerator, a 2.5 MV electron Van de Graaff accelerator and a 7 to 32 MeV electron linac, supplying beams ranging in energy from a few keV up to 32 MeV. In response to the recent anthrax incident, NIST along with the US Postal Service and the Armed Forces Radiobiology Research Institute (AFRRI) are working to develop protocols and testing procedures for the USPS mail sanitization program. NIST facilities and personnel are being employed in a series of quality-assurance measurements for both electron- and photon-beam sanitization. These include computational modeling, dose verification and VOC (volatile organic compounds) testing using megavoltage electron and photon sources

  3. Quantum Information Experiments with Trapped Ions at NIST

    Science.gov (United States)

    Wilson, Andrew

    2015-03-01

    We present an overview of recent trapped-ion quantum information experiments at NIST. Advancing beyond few-qubit ``proof-of-principle'' experiments to the many-qubit systems needed for practical quantum simulation and information processing, without compromising on the performance demonstrated with small systems, remains a major challenge. One approach to scalable hardware development is surface-electrode traps. Micro-fabricated planar traps can have a number of useful features, including flexible electrode geometries, integrated microwave delivery, and spatio-temporal tuning of potentials for ion transport and spin-spin interactions. In this talk we report on a number of on-going investigations with surface traps. Experiments feature a multi-zone trap with closely spaced ions in a triangular arrangement (a first step towards 2D arrays of ions with tunable spin-spin interactions), a scheme for smooth transport through a junction in a 2D structure based on switchable RF potentials, and a micro-fabricated photo-detector integrated into a trap. We also give a progress report on our latest efforts to improve the fidelity of both optical and microwave 2-qubit gates. This work was supported by IARPA, ONR and the NIST Quantum Information Program. The 3-ion and switchable-RF-junction traps were developed in collaboration with Sandia National Laboratory.

  4. Calculation of radioactivity of β-nuclides by CIEMAT/NIST method

    International Nuclear Information System (INIS)

    Shu Fujun; Zhang Shengdong; Ding Youqian; Sun Hongqing; Tang Peijia

    2010-01-01

    CIEMAT/NIST method for calculating radioactivity of β-nuclides was introduced in this paper. The influences of KB value and quenching parameter on the radioactivity computation of 241 Pu, 106 Ru/ 106 Rh, 63 Ni, 151 Sm and 14 C were studied by CIEMAT/NIST method with 3 H tracing. It is shown that the effect of KB value can be ignored if it varies in a proper range; Except for 106 Ru/ 106 Rh, the discrepancy between prediction and actual activity is lower than 2% in low quenching extent. However, it increases with quenching extent, and the largest discrepancy soars to nearly 13%. In addition, the reason for bad agreement of 106 Ru/ 106 Rh between prediction and actual activity was discussed. Efficiency calibration curves of 79 Se, 93 Zr and 107 Pd were also computed by CIEMAT/NIST method, compared with approximate replacement method or fitting and interpolation method. It is shown that CIEMAT/NIST method is no more accurate and suitable than the other two techniques. (authors)

  5. The reactor and cold neutron research facility at NIST

    Energy Technology Data Exchange (ETDEWEB)

    Prask, H J; Rowe, J M [Reactor Radiation Division, National Institute of Standards and Technology, Gaithersburg, MD (United States)

    1992-07-01

    The NIST Reactor (NBSR) is a 20 MW research reactor located at the Gaithersburg, MD site, and has been in operation since 1969. It services 26 thermal neutron facilities which are used for materials science, chemical analysis, nondestructive evaluation, neutron standards work, and irradiations. In 1987 the Department of Commerce and NIST began development of the CNRF - a $30M National Facility for cold neutron research -which will provide fifteen new experimental stations with capabilities currently unavailable in this country. As of May 1992, four of the planned seven guides and a cold port were installed, eight cold neutron experimental stations were operational, and the Call for Proposals for the second cycle of formally-reviewed guest-researcher experiments had been sent out. Some details of the performance of instrumentation are described, along with the proposed design of the new hydrogen cold source which will replace the present D{sub 2}O/H{sub 2}O ice cold source. (author)

  6. The reactor and cold neutron research facility at NIST

    International Nuclear Information System (INIS)

    Prask, H.J.; Rowe, J.M.

    1992-01-01

    The NIST Reactor (NBSR) is a 20 MW research reactor located at the Gaithersburg, MD site, and has been in operation since 1969. It services 26 thermal neutron facilities which are used for materials science, chemical analysis, nondestructive evaluation, neutron standards work, and irradiations. In 1987 the Department of Commerce and NIST began development of the CNRF - a $30M National Facility for cold neutron research -which will provide fifteen new experimental stations with capabilities currently unavailable in this country. As of May 1992, four of the planned seven guides and a cold port were installed, eight cold neutron experimental stations were operational, and the Call for Proposals for the second cycle of formally-reviewed guest-researcher experiments had been sent out. Some details of the performance of instrumentation are described, along with the proposed design of the new hydrogen cold source which will replace the present D 2 O/H 2 O ice cold source. (author)

  7. The NIST natural-matrix radionuclide standard reference material program for ocean studies

    International Nuclear Information System (INIS)

    Inn, K.G.W.; Zhichao Lin; Zhongyu Wu; MacMahon, C.; Filliben, J.J.; Krey, P.; Feiner, M.; Harvey, J.

    2001-01-01

    -dried shellfish flesh matrix has been prepared and recently sent to participating laboratories for analysis and we anticipate receiving radioanalytical results in 2000. The research and development work at NIST produce well characterized SRMs that provide the world's environment-studies community with an important foundation component for radionuclide metrology. (author)

  8. Micro-Combined Heat and Power Device Test Facility

    Data.gov (United States)

    Federal Laboratory Consortium — NIST has developed a test facility for micro-combined heat and power (micro-CHP) devices to measure their performance over a range of different operating strategies...

  9. NIST--Los Alamos racetrack microtron status

    International Nuclear Information System (INIS)

    Wilson, M.A.; Ayres, R.L.; Cutler, R.I.; Debenham, P.H.; Lindstrom, E.R.; Mohr, D.L.; Penner, S.; Rose, J.E.; Young, L.M.

    1988-01-01

    The NIST-Los Alamos Racetrack Microtron (RTM) is designed to deliver a low-emittance electron beam of up to 0.5 mA cw over an energy range of 17 MeV to 185 MeV. Fed by a 5 MeV injector, the RTM contains two 180 degree end magnets that recirculate the beam up to 15 times through a 12 MeV RF linac. The linac, which operates in a standing-wave mode at 2380 MHz, has been tested to nearly full RF power. At present, the injector has undergone beam tests, and the beam transport system is complete through the 12 MeV linac. A temporary beam line has been installed at the exit of one end magnet to measure the beam energy, energy spread, and emittance after one pass through the accelerator. Preliminary results indicate that the accelerated beam energy spread and emittance are within design goals. 4 refs., 7 figs

  10. CPTC and NIST-sponsored Yeast Reference Material Now Publicly Available | Office of Cancer Clinical Proteomics Research

    Science.gov (United States)

    The yeast protein extract (RM8323) developed by National Institute of Standards and Technology (NIST) under the auspices of NCI's CPTC initiative is currently available to the public at https://www-s.nist.gov/srmors/view_detail.cfm?srm=8323. The yeast proteome offers researchers a unique biological reference material. RM8323 is the most extensively characterized complex biological proteome and the only one associated with several large-scale studies to estimate protein abundance across a wide concentration range.

  11. The TNO speaker diarization system for NIST RT05s meeting data

    NARCIS (Netherlands)

    Leeuwen, D.A. van

    2006-01-01

    The TNO speaker speaker diarization system is based on a standard BIC segmentation and clustering algorithm. Since for the NIST Rich Transcription speaker dizarization evaluation measure correct speech detection appears to be essential, we have developed a speech activity detector (SAD) as well.

  12. Hg0 and HgCl2 Reference Gas Standards: ?NIST Traceability ...

    Science.gov (United States)

    EPA and NIST have collaborated to establish the necessary procedures for establishing the required NIST traceability of commercially-provided Hg0 and HgCl2 reference generators. This presentation will discuss the approach of a joint EPA/NIST study to accurately quantify the true concentrations of Hg0 and HgCl2 reference gases produced from high quality, NIST-traceable, commercial Hg0 and HgCl2 generators. This presentation will also discuss the availability of HCl and Hg0 compressed reference gas standards as a result of EPA's recently approved Alternative Methods 114 and 118. Gaseous elemental mercury (Hg0) and oxidized mercury (HgCl2) reference standards are integral to the use of mercury continuous emissions monitoring systems (Hg CEMS) for regulatory compliance emissions monitoring. However, a quantitative disparity of approximately 7-10% has been observed between commercial Hg0 and HgCl2 reference gases which currently limits the use of (HgCl2) reference gas standards. Resolving this disparity would enable the expanded use of (HgCl2) reference gas standards for regulatory compliance purposes.

  13. Eulerian–Lagrangian RANS Model Simulations of the NIST Turbulent Methanol Spray Flame

    NARCIS (Netherlands)

    Zhu, Shanglong; Roekaerts, Dirk; Pozarlik, Artur Krzysztof; van der Meer, Theodorus H.

    2015-01-01

    A methanol spray flame in a combustion chamber of the NIST was simulated using an Eulerian–Lagrangian RANS model. Experimental data and previous numerical investigations by other researchers on this flame were analyzed to develop methods for more comprehensive model validation. The inlet boundary

  14. NIST/ASME Steam Properties Database

    Science.gov (United States)

    SRD 10 NIST/ASME Steam Properties Database (PC database for purchase)   Based upon the International Association for the Properties of Water and Steam (IAPWS) 1995 formulation for the thermodynamic properties of water and the most recent IAPWS formulations for transport and other properties, this updated version provides water properties over a wide range of conditions according to the accepted international standards.

  15. In-situ burning: NIST studies

    International Nuclear Information System (INIS)

    Evans, D.D.

    1992-01-01

    In-situ burning of spilled oil has distinct advantages over other countermeasures. It offers the potential to convert rapidly large quantities of oil into its primary combustion products, carbon dioxide and water, with a small percentage of other unburned and residue byproducts. Because the oil is converted to gaseous products of combustion by burning, the need for physical collection, storage, and transport of recovered fluids is reduced to the few percent of the original spill volume that remains as residue after burning. Burning oil spills produces a visible smoke plume containing smoke particulate and other products of combustion which may persist for many kilometers from the burn. This fact gives rise to public health concerns, related to the chemical content of the smoke plume and the downwind deposition of particulate, which need to be answered. In 1985, a joint Minerals Management Service (MMS) and Environment Canada (EC) in-situ burning research program was begun at the National Institute of Standards and Technology (NIST). This research program was designed to study the burning of large crude oil spills on water and how this burning would affect air quality by quantifying the products of combustion and developing methods to predict the downwind smoke particulate deposition. To understand the important features of in-situ burning, it is necessary to perform both laboratory and mesoscale experiments. Finally, actual burns of spilled oil at sea will be necessary to evaluate the method at the anticipated scale of actual response operations. In this research program there is a continuing interaction between findings from measurements on small fire experiments performed in the controlled laboratory environments of NIST and the Fire Research Institute (FRI) in Japan, and large fire experiments at facilities like the USCG Fire Safety and Test Detachment in Mobile, Alabama where outdoor liquid fuel burns in large pans are possible

  16. Resorting the NIST undulator using simulated annealing for field error reduction

    International Nuclear Information System (INIS)

    Denbeaux, Greg; Johnson, Lewis E.; Madey, John M.J.

    2000-01-01

    We have used a simulated annealing algorithm to sort the samarium cobalt blocks and vanadium permendur poles in the hybrid NIST undulator to optimize the spectrum of the emitted light. While simulated annealing has proven highly effective in sorting of the SmCo blocks in pure REC undulators, the reliance on magnetically 'soft' poles operating near saturation to concentrate the flux in hybrid undulators introduces a pair of additional variables - the permeability and saturation induction of the poles - which limit the utility of the assumption of superposition on which most simulated annealing codes rely. Detailed magnetic measurements clearly demonstrated the failure of the superposition principle due to random variations in the permeability in the 'unsorted' NIST undulator. To deal with the issue, we measured both the magnetization of the REC blocks and the permeability of the NIST's integrated vanadium permendur poles, and implemented a sorting criteria which minimized the pole-to-pole variations in permeability to satisfy the criteria for realization of superposition on a nearest-neighbor basis. Though still imperfect, the computed spectrum of the radiation from the re-sorted and annealed NIST undulator is significantly superior to that of the original, unsorted device

  17. 76 FR 43264 - Proposed Information Collection; Comment Request; NIST MEP Client Impact Survey

    Science.gov (United States)

    2011-07-20

    ... DEPARTMENT OF COMMERCE National Institute of Standards and Technology Proposed Information Collection; Comment Request; NIST MEP Client Impact Survey AGENCY: National Institute of Standards and Technology (NIST), Commerce. ACTION: Notice. SUMMARY: The Department of Commerce, as part of its continuing...

  18. Characterization of LANDSAT Panels Using the NIST BRDF Scale from 1100 nm to 2500 nm

    Science.gov (United States)

    Markham, Brian; Tsai, Benjamin K.; Allen, David W.; Cooksey, Catherine; Yoon, Howard; Hanssen, Leonard; Zeng, Jinan; Fulton, Linda; Biggar, Stuart; Markham, Brian

    2010-01-01

    Many earth observing sensors depend on white diffuse reflectance standards to derive scales of radiance traceable to the St Despite the large number of Earth observing sensors that operate in the reflective solar region of the spectrum, there has been no direct method to provide NIST traceable BRDF measurements out to 2500 rim. Recent developments in detector technology have allowed the NIST reflectance measurement facility to expand the operating range to cover the 250 nm to 2500 nm range. The facility has been modified with and additional detector using a cooled extended range indium gallium arsenide (Extended InGaAs) detector. Measurements were made for two PTFE white diffuse reflectance standards over the 1100 nm to 2500 nm region at a 0' incident and 45' observation angle. These two panels will be used to support the OLI calibration activities. An independent means of verification was established using a NIST radiance transfer facility based on spectral irradiance, radiance standards and a diffuse reflectance plaque. An analysis on the results and associated uncertainties will be discussed.

  19. 77 FR 40586 - Draft NIST Interagency Report (NISTIR) 7823, Advanced Metering Infrastructure Smart Meter...

    Science.gov (United States)

    2012-07-10

    ...-01] Draft NIST Interagency Report (NISTIR) 7823, Advanced Metering Infrastructure Smart Meter... Technology (NIST) seeks comments on Draft NISTIR 7823, Advanced Metering Infrastructure Smart Meter... conformance test requirements for the firmware upgradeability process for the Advanced Metering Infrastructure...

  20. The use of high accuracy NAA for the certification of NIST Standard Reference Materials

    International Nuclear Information System (INIS)

    Becker, D.A.; Greenberg, R.R.; Stone, S.

    1991-01-01

    Neutron activation analysis (NAA) is only one of many analytical techniques used at the National Institute of Standards and Technology (NIST) for the certification of NIST Standard Reference Materials (SRMs). We compete daily against all of the other available analytical techniques in terms of accuracy, precision, and the cost required to obtain that requisite accuracy and precision. Over the years, the authors have found that NAA can and does compete favorably with these other techniques because of its' unique capabilities for redundancy and quality assurance. Good examples are the two new NIST leaf SRMs, Apple Leaves (SRM 1515) and Peach Leaves (SRM 1547). INAA was used to measure the homogeneity of 12 elements in 15 samples of each material at the 100 mg sample size. In addition, instrumental and radiochemical NAA combined for 27 elemental determinations, out of a total of 54 elemental determinations made on each material with all NIST techniques combined. This paper describes the NIST NAA procedures used in these analyses, the quality assurance techniques employed, and the analytical results for the 24 elements determined by NAA in these new botanical SRMs. The NAA results are also compared to the final certified values for these SRMs

  1. The (TNO) Speaker Diarization System for NIST Rich Transcription Evaluation 2005 for meeting data

    NARCIS (Netherlands)

    Leeuwen, D.A. van

    2005-01-01

    Abstract. The TNO speaker speaker diarization system is based on a standard BIC segmentation and clustering algorithm. Since for the NIST Rich Transcription speaker dizarization evaluation measure correct speech detection appears to be essential, we have developed a speech activity detector (SAD) as

  2. National Institute of Standards and Technology (NIST) cybersecurity risk management framework applied to modern vehicles

    Science.gov (United States)

    2014-10-01

    The primary objective of the work described in this report is to review the National Institute of Science and Technology (NIST) guidelines and foundational publications from an automotive : cybersecurity risk management stand-point. The NIST approach...

  3. NIST Photoionization of CO2 (ARPES) Database

    Science.gov (United States)

    SRD 119 NIST Photoionization of CO2 (ARPES) Database (Web, free access)   CO2 is studied using dispersed synchrotron radiation in the 650 Å to 850 Å spectral region. The vibrationally resolved photoelectron spectra are analyzed to generate relative vibrational transition amplitudes and the angular asymmetry parameters describing the various transitions observed.

  4. HAPPY Team Entry to NIST OpenSAD Challenge

    DEFF Research Database (Denmark)

    Kinnunen, Tomi; Sholokhov, Alexey; Khoury, Elie

    2016-01-01

    Speech activity detection (SAD), the task of locating speech segments from a given recording, remains challenging under acoustically degraded conditions. In 2015, National Institute of Standards and Technology (NIST) coordinated OpenSAD bench-mark. We summarize “HAPPY” team effort to Open- SAD...

  5. One cubic metre NIST traceable radon test chamber

    International Nuclear Information System (INIS)

    Kotrappa, P.; Stieff, F.

    2008-01-01

    With the availability of the National Inst. of Standards and Technology (NIST) Radon Emanation Standard with a content of ∼5000 Bq of 226 Ra, it is possible to build a flow through a practical radon test chamber. A standard glove box with four gloves and a transfer port is used. Air is pumped through a flow integrator, water jar for humidification and NIST source holder, and into the glove box through a manifold. A derived theoretical expression provides the calculated radon concentration inside the chamber. The calculation includes a derived decay correction due to the large volume and low flow rate of the system. Several calibrated continuous radon monitors and passive integrating electret ion chambers tested in the chamber agreed fairly well with the calculated radon concentrations. The chamber is suitable for handling the calibration of several detectors at the same time. (authors)

  6. 77 FR 52692 - NIST Federal Information Processing Standard (FIPS) 140-3 (Second Draft), Security Requirements...

    Science.gov (United States)

    2012-08-30

    ...-03] NIST Federal Information Processing Standard (FIPS) 140-3 (Second Draft), Security Requirements....'' Authority: Federal Information Processing Standards (FIPS) are issued by the National Institute of Standards... Standards and Technology (NIST) seeks additional comments on specific sections of Federal Information...

  7. 76 FR 58248 - Proposed Information Collection; Comment Request; NIST Three-Year Generic Request for Customer...

    Science.gov (United States)

    2011-09-20

    ... Collection; Comment Request; NIST Three-Year Generic Request for Customer Service-Related Data Collections... customers want and expect, as well as their satisfaction with and awareness of existing products, services, and information. In addition, NIST proposes other customer service satisfaction data collections that...

  8. The use of high accuracy NAA for the certification of NIST botanical standard reference materials

    International Nuclear Information System (INIS)

    Becker, D.A.; Greenberg, R.R.; Stone, S.F.

    1992-01-01

    Neutron activation analysis is one of many analytical techniques used at the National Institute of Standards and Technology (NIST) for the certification of NIST Standard Reference Materials (SRMs). NAA competes favorably with all other techniques because of it's unique capabilities for high accuracy even at very low concentrations for many elements. In this paper, instrumental and radiochemical NAA results are described for 25 elements in two new NIST SRMs, SRM 1515 (Apple Leaves) and SRM 1547 (Peach Leaves), and are compared to the certified values for 19 elements in these two new botanical reference materials. (author) 7 refs.; 4 tabs

  9. Establishment of a sensor testbed at NIST for plant productivity monitoring

    Science.gov (United States)

    Allen, D. W.; Hutyra, L.; Reinmann, A.; Trlica, A.; Marrs, J.; Jones, T.; Whetstone, J. R.; Logan, B.; Reblin, J.

    2017-12-01

    Accurate assessments of biogenic carbon fluxes is challenging. Correlating optical signatures to plant activity allows for monitoring large regions. New methods, including solar-induced fluorescence (SIF), promise to provide more timely and accurate estimate of plant activity, but we are still developing a full understanding of the mechanistic leakage between plant assimilation of carbon and SIF. We have initiated a testbed to facilitate the evaluation of sensors and methods for remote monitoring of plant activity at the NIST headquarters. The test bed utilizes a forested area of mature trees in a mixed urban environment. A 1 hectare plot within the 26 hectare forest has been instrumented for ecophysiological measurements with an edge (100 m long) that is persistently monitored with multimodal optical sensors (SIF spectrometers, hyperspectral imagers, thermal infrared imaging, and lidar). This biological testbed has the advantage of direct access to the national scales maintained by NIST of measurements related to both the physical and optical measurements of interest. We offer a description of the test site, the sensors, and preliminary results from the first season of observations for ecological, physiological, and remote sensing based estimates of ecosystem productivity.

  10. Speaker diarization system on the 2007 NIST rich transcription meeting recognition evaluation

    Science.gov (United States)

    Sun, Hanwu; Nwe, Tin Lay; Koh, Eugene Chin Wei; Bin, Ma; Li, Haizhou

    2007-09-01

    This paper presents a speaker diarization system developed at the Institute for Infocomm Research (I2R) for NIST Rich Transcription 2007 (RT-07) evaluation task. We describe in details our primary approaches for the speaker diarization on the Multiple Distant Microphones (MDM) conditions in conference room scenario. Our proposed system consists of six modules: 1). Least-mean squared (NLMS) adaptive filter for the speaker direction estimate via Time Difference of Arrival (TDOA), 2). An initial speaker clustering via two-stage TDOA histogram distribution quantization approach, 3). Multiple microphone speaker data alignment via GCC-PHAT Time Delay Estimate (TDE) among all the distant microphone channel signals, 4). A speaker clustering algorithm based on GMM modeling approach, 5). Non-speech removal via speech/non-speech verification mechanism and, 6). Silence removal via "Double-Layer Windowing"(DLW) method. We achieves error rate of 31.02% on the 2006 Spring (RT-06s) MDM evaluation task and a competitive overall error rate of 15.32% for the NIST Rich Transcription 2007 (RT-07) MDM evaluation task.

  11. 76 FR 67418 - Request for Comments on NIST Special Publication 500-293, US Government Cloud Computing...

    Science.gov (United States)

    2011-11-01

    ...-1659-01] Request for Comments on NIST Special Publication 500-293, US Government Cloud Computing... Publication 500-293, US Government Cloud Computing Technology Roadmap, Release 1.0 (Draft). This document is... (USG) agencies to accelerate their adoption of cloud computing. The roadmap has been developed through...

  12. 76 FR 66040 - NIST Framework and Roadmap for Smart Grid Interoperability Standards, Release 2.0 (Draft...

    Science.gov (United States)

    2011-10-25

    ...-01] NIST Framework and Roadmap for Smart Grid Interoperability Standards, Release 2.0 (Draft... draft version of the NIST Framework and Roadmap for Smart Grid Interoperability Standards, Release 2.0... Roadmap for Smart Grid Interoperability Standards, Release 2.0 (Release 2.0) (Draft) for public review and...

  13. A comparative study of 129I content in environmental standard materials IAEA-375, NIST SRM 4354 and NIST SRM 4357 by Thermal Ionization Mass Spectrometry and Accelerator Mass Spectrometry

    Energy Technology Data Exchange (ETDEWEB)

    Olson, John; Adamic, Mary; Snyder, Darin; Brookhart, Jacob; Hahn, Paula; Watrous, Matthew

    2016-11-01

    Iodine environmental measurements have consistently been backed up in the literature by standard materials like IAEA-375, Chernobyl Soil. There are not many other sources of a certified reference material for 129I content for mass spectrometry measurements. Some that have been found in the literature include NIST-4354 and NIST-4357. They are still available at the time of this writing. They don’t have certified content or isotopic values. There has been some work in the literature to show that iodine is present, but there hasn’t been enough to establish a consensus value. These materials have been analyzed at INL through two separate mass spectrometry techniques. They involve a combustion method of the starting material in oxygen, followed by TIMS analysis and a leaching preparation analyzed by accelerator mass spectrometry. Combustion/TIMS preparation of NIST SRM-4354 resulted in a 129I/127I ratio of 1.92 x 10-6 which agrees with AMS measurements which measured the 129I/127I ratio to be 1.93 x 10-6.

  14. Hg0 and HgCl2 Reference Gas Standards: NIST Traceability and Comparability (And EPA ALT Methods for Hg and HCl )

    Science.gov (United States)

    EPA and NIST have collaborated to establish the necessary procedures for establishing the required NIST traceability of commercially-provided Hg0 and HgCl2 reference generators. This presentation will discuss the approach of a joint EPA/NIST study to accurately quantify the tru...

  15. Aplicación del NFIS (Nist Fingerprint Image Software para la Extracción de Características de Huellas Dactilares Aplicación del NFIS (Nist Fingerprint Image Software para la Extracción de Características de Huellas Dactilares

    Directory of Open Access Journals (Sweden)

    Noé Mosqueda Valadez

    2012-02-01

    Full Text Available Este artículo presenta una descripción acerca de las huellas dactilares y sus características, así como la extracción de puntos característicos de la misma por medio del programa NFIS desarrollado por el NIST (National Institute of Standards and Technology en conjunción con el FBI (Federal Bureau of Investigation, descripción de algunas herramientas, así como un panorama general de un sistema AFAS (Automatic Fingerprint Authentification System y de un sistema AFIS (Automatic Fingerprint Identification System. This paper presents a description about the fingerprints and its characteristics, as well as the extraction of their characteristic points by means of the application of the program NFIS (NIST Fingerprint Image Software developed by the NIST (National Institute of Standards and Technology in conjunction with the FBI (Federal Bureau of Investigation, the description of some tools, as well as a general view of a system AFAS (Automatic Fingerprint Authentification System and of a system AFIS (Automatic Fingerprint Identification System.

  16. 75 FR 18819 - Second DRAFT NIST Interagency Report (NISTIR) 7628, Smart Grid Cyber Security Strategy and...

    Science.gov (United States)

    2010-04-13

    ... a cyber attack. 2. It is essential that those parts or equipment of the Smart Grid that optimize the...-0143-01] Second DRAFT NIST Interagency Report (NISTIR) 7628, Smart Grid Cyber Security Strategy and... (NIST) seeks comments on the second draft of NISTIR 7628, Smart Grid Cyber Security Strategy and...

  17. Advancing Smart Grid Interoperability and Implementing NIST's Interoperability Roadmap

    Energy Technology Data Exchange (ETDEWEB)

    Basso,T.; DeBlasio, R.

    2010-04-01

    The IEEE American National Standards project P2030TM addressing smart grid interoperability and the IEEE 1547 series of standards addressing distributed resources interconnection with the grid have been identified in priority action plans in the Report to NIST on the Smart Grid Interoperability Standards Roadmap. This paper presents the status of the IEEE P2030 development, the IEEE 1547 series of standards publications and drafts, and provides insight on systems integration and grid infrastructure. The P2030 and 1547 series of standards are sponsored by IEEE Standards Coordinating Committee 21.

  18. Calibrating NIST SRM 683 as A New International Reference Standard for Zn Isotopes

    Science.gov (United States)

    Yang, Y.; Zhang, X.; Yu, H.; Huang, F.

    2017-12-01

    Zinc isotopes have been widely applied in the cosmochemical, geochemical, and environmental studies (Moynier et al. 2017). Obtaining precise Zn isotopic data for inter-laboratory comparison is a prerequisite to these applications. Currently, the JMC3-0749L is the primary reference standard for Zn isotopes (Albarède 2004), but it is not commercially available now. Thus, it is necessary to calibrate a new international primary reference standard for Zn isotopic analysis. Chen et al. (2016) showed that NIST SRM 683 (a pure Zn metal nugget of 140 grams) has a δ66ZnJMC of 0.12‰, which is falling within the range of natural Zn isotopic compositions, and it may a good candidate for the next generation of international reference standard (Chen et al. 2016). In order to further examine whether NIST SRM 683 has a homogeneous Zn isotopic composition, we measured more NIST SRM 683 by double-spike methods using MC-ICPMS (Conway et al. 2013). The metal nuggets of NIST SRM 683 were intensively sampled by micro-drilling. Zinc isotope analyses for two nuggets show that they have δ66Zn of 0.14 ± 0.02‰ (2SD, N = 32) and 0.13 ± 0.02‰ (2SD, N = 33), respectively. These values are similar to those of two Zn metal nuggets (0.11 ± 0.02‰ vs. 0.12 ± 0.02‰) reported previously by Chen et al. (2016). We fully dissolved one nugget, producing pure Zn solution with identical Zn isotopic composition with the drilling samples. All results strongly support that NIST SRM 683 is homogeneous in Zn isotopic compositions which could be an ideal candidate for the next reference for Zn isotopes. Tests on more metal nuggets will be performed in a few months for further confirming the Zn isotope compositions and homogeneity. Reference: Albarède et al., 2004. 'The stable isotope geochemistry of copper and zinc', Reviews in Mineralogy and Geochemistry, 55: 409-27. Chen et al., 2016. 'Zinc Isotopic Compositions of NIST SRM 683 and Whole-Rock Reference Materials', Geostandards and

  19. A response to: "NIST experts urge caution in use of courtroom evidence presentation method"

    OpenAIRE

    Morrison, Geoffrey Stewart

    2017-01-01

    A press release from the National Institute of Standards and Technology (NIST)could potentially impede progress toward improving the analysis of forensic evidence and the presentation of forensic analysis results in courts in the United States and around the world. "NIST experts urge caution in use of courtroom evidence presentation method" was released on October 12, 2017, and was picked up by the phys.org news service. It argues that, except in exceptional cases, the results of forensic ana...

  20. Further Investigations of NIST Water Sphere Discrepancies

    International Nuclear Information System (INIS)

    Broadhead, B.L.

    2001-01-01

    Measurements have been performed on a family of water spheres at the National Institute of Standards and Technology (NIST) facilities. These measurements are important for criticality safety studies in that, frequently, difficulties have arisen in predicting the reactivity of individually subcritical components assembled in a critical array. It has been postulated that errors in the neutron leakage from individual elements in the array could be responsible for these problems. In these NIST measurements, an accurate determination of the leakage from a fission spectrum, modified by water scattering, is available. Previously, results for 3-, 4-, and 5-in. diam. water-filled spheres, both with and without cadmium covers over the fission chambers, were presented for four fissionable materials: 235 U, 238 U, 237 Np, and 239 Pu. Results were also given for ''dry'' systems, in which the water spheres were drained of water, with the results corresponding to essentially measurements of unmoderated 252 Cf spontaneous-fission neutrons. The calculated-to-experimental (C/E) values ranged from 0.94 to 1.01 for the dry systems and 0.93 to 1.05 for the wet systems, with experimental uncertainties ranging from 1.5 to 1.9%. These results indicated discrepancies that were clearly outside of the experimental uncertainties, and further investigation was suggested. This work updates the previous calculations with a comparison of the predicted C/E values with ENDF/B-V and ENDF/B-VI transport cross sections. Variations in the predicted C/E values that arise from the use of ENDF/B-V, ENDF/B-VI, ENDL92, and LLLDOS for the response fission cross sections are also tabulated. The use of both a 45-group NIST fission spectrum and a continuous-energy fission spectrum for 252 Cf are evaluated. The use of the generalized-linear-least-squares (GLLSM) procedures to investigate the reported discrepancies in the water sphere results for 235 U, 238 U, 239 Pu, and 237 Np is reported herein. These studies

  1. The NIST Step Class Library (Step Into the Future)

    Science.gov (United States)

    1990-09-01

    Figure 6. Excerpt from a STEP exclange file based on the Geometry model 1be NIST STEP Class Libary Page 13 An issue of concern in this...Scheifler, R., Gettys, J., and Newman, P., X Window System: C Library and Protocol Reference. Digital Press, Bedford, Mass, 1988. [Schenck90] Schenck, D

  2. Visualizing Magnetic domain of Electric Steel using Grating Interferometer at NG6 of NIST

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Young Ju; Oh, Oh Sung; Lee, Se Ho; Kim, Dae Seung; Lee, Seung Wook [Pusan National University, Busan (Korea, Republic of); Kim, Jong Yul [KAERI, Daejeon (Korea, Republic of); Kwon, Oh Yeoul [Pohang Iron and Steel Company, Pohang (Korea, Republic of); Hussey, D. S.; Jacobson, D. L.; Lamannad, J. M. [NIST, Gaithersburg (United States)

    2016-05-15

    The Grating Interferometer is one of new imaging techniques provides improved contrast images, Phase Contrast Image and Dark-Field Image, which have never been seen before by conventional radiography. Neutron Dark-Field Imaging (NDFI) suggests new approach for material science providing the scattering image caused by the micro-structure of object. We attracted to the application of NDFI for material science, the electric steel which produce magnetic scattering information especially. In this study, we developed 1 dimensional gratings using gadox filling method to make the Talbot-Lau Interferometer (TLI). The experiment was conducted at cold neutron imaging facility NG6 of National Institute of Standards and Technologies, NIST. We confirmed that the 3 order Talbot-Lau type of neutron grating interferometer which is composed of gratings made by gadox filling method is well operated at cold neutron imaging beamline. NDFI is definitely powerful visualizing tool for material science, especially magnetic materials. In further study, we will research electric steel more in realistic conditions when it is worked as a component of electric motor.

  3. Dissemination of 3D Visualizations of Complex Function Data for the NIST Digital Library of Mathematical Functions

    Directory of Open Access Journals (Sweden)

    Qiming Wang

    2007-03-01

    Full Text Available The National Institute of Standards and Technology (NIST is developing a digital library to replace the widely used National Bureau of Standards Handbook of Mathematical Functions published in 1964. The NIST Digital Library of Mathematical Functions (DLMF will include formulas, methods of computation, references, and links to software for over forty functions. It will be published both in hardcopy format and as a website featuring interactive navigation, a mathematical equation search, 2D graphics, and dynamic interactive 3D visualizations. This paper focuses on the development and accessibility of the 3D visualizations for the digital library. We examine the techniques needed to produce accurate computations of function data, and through a careful evaluation of several prototypes, we address the advantages and disadvantages of using various technologies, including the Virtual Reality Modeling Language (VRML, interactive embedded graphics, and video capture to render and disseminate the visualizations in an environment accessible to users on various platforms.

  4. Characterization of sampling behavior for multielements in NIST SRM 2703

    International Nuclear Information System (INIS)

    Huang Donghui; Sun Hongchao; Ni Bangfa; Tian Weizhi; Wang Pingsheng; Liu CunXiong; Zhang Guiying; Xiao Caijin; Zhang Haiqing; Zhao Changjun; Zhang Yuanxun

    2011-01-01

    Sampling behavior of multielements for NIST SRM 2703, a marine sediment, was studied with sample sizes from 1 mg down to ng level by a combination of INAA, PIXE and SRXRF. On 1 mg sample size level, sampling behavior for multielements in NIST SRM 2703 and its parent SRM 2702 were comparatively characterized by using INAA combining with Ingamells model. Results showed that sampling uncertainties for 12 elements of both materials were found to be better than 1%, and those of four other elements in SRM 2703 better than in SRM 2702. At sample sizes not able to be accurately weighed (<1 mg), PIXE and SRXRF were used and the effective sample sizes estimated. Sampling uncertainties for nine elements were found to be better than 1% at sample sizes of tenth mg level, and those for six elements better than 10% on ng levels. (author)

  5. Examination of quantitative accuracy of PIXE analysis for atmospheric aerosol particle samples. PIXE analysis of NIST air particulate on filter media

    International Nuclear Information System (INIS)

    Saitoh, Katsumi; Sera, Koichiro

    2005-01-01

    In order to confirm accuracy of the direct analysis of filter samples containing atmospheric aerosol particles collected on a polycarbonate membrane filter by PIXE, we carried out PIXE analysis on a National Institute of Standards and Technology (NIST, USA) air particulate on filter media (SRM 2783). For 16 elements with NIST certified values determined by PIXE analysis - Na, Mg, Al, Si, S, K, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn and Pb - quantitative values were 80-110% relative to NIST certified values except for Na, Al, Si and Ni. Quantitative values of Na, Al and Si were 140-170% relative to NIST certified values, which were all high, and Ni was 64%. One possible reason why the quantitative values of Na, Al and Si were higher than the NIST certified values could be the difference in the X-ray spectrum analysis method used. (author)

  6. Recent applications of nuclear analytical methods to the certification of elemental content in NIST standard reference materials

    International Nuclear Information System (INIS)

    Greenberg, R.R.; Zeisler, R.; Mackey, E.A.

    2006-01-01

    Well-characterized, certified reference materials (CRMs) play an essential role in assuring the quality of analytical measurements. NIST has been producing CRMs, currently called NIST Standard Reference Materials (SRMs), to validate analytical measurements for nearly one hundred years. The predominant mode of certifying inorganic constituents in complex-matrix SRMs is through the use of two critically evaluated, independent analytical techniques at NIST. These techniques should have no significant sources of error in common. The use of nuclear analytical methods in combination with one of the chemically based analytical method at NIST eliminates the possibility of any significant, common error source. The inherent characteristics of the various forms of nuclear analytical methods make them extremely valuable for SRM certification. Instrumental NAA is nondestructive, which eliminates the possibility of any dissolution problems, and often provides homogeneity information. Radiochemical NAA typically provides nearly blank-free determinations of some highly important, but difficult elements at very low levels. Prompt-gamma NAA complements INAA, and provides independent determinations of some key elements. In addition, all significant uncertainty components can be evaluated for these techniques, and we believe these methods can meet all the requirements of a primary method of measurement as defined by ISO and the CCQM. NIST has certified several SRMs using INAA and RNAA as primary methods. In addition, NIST has compared measurements by INAA and PGAA with other primary methods as part of the CCQM intercomparisons of national metrology institutes. Some significant SRMs recently certified for inorganic constituents with contributions from the nuclear analytical methods include: Toxic Substances in Urine (SRM 2670a), Lake Superior Fish Tissue (SRM 1946), Air Particulate on Filter Media (SRM 2783), Inorganics in Marine Sediment (SRM 2702), Sediment for Solid Sampling (Small

  7. Corrections of the NIST Statistical Test Suite for Randomness

    OpenAIRE

    Kim, Song-Ju; Umeno, Ken; Hasegawa, Akio

    2004-01-01

    It is well known that the NIST statistical test suite was used for the evaluation of AES candidate algorithms. We have found that the test setting of Discrete Fourier Transform test and Lempel-Ziv test of this test suite are wrong. We give four corrections of mistakes in the test settings. This suggests that re-evaluation of the test results should be needed.

  8. Covariance methodology applied to 35S disintegration rate measurements by the CIEMAT/NIST method

    International Nuclear Information System (INIS)

    Koskinas, M.F.; Nascimento, T.S.; Yamazaki, I.M.; Dias, M.S.

    2014-01-01

    The Nuclear Metrology Laboratory (LMN) at IPEN is carrying out measurements in a LSC (Liquid Scintillation Counting system), applying the CIEMAT/NIST method. In this context 35 S is an important radionuclide for medical applications and it is difficult to be standardized by other primary methods due to low beta ray energy. The CIEMAT/NIST is a standard technique used by most metrology laboratories in order to improve accuracy and speed up beta emitter standardization. The focus of the present work was to apply the covariance methodology for determining the overall uncertainty in the 35 S disintegration rate. All partial uncertainties involved in the measurements were considered, taking into account all possible correlations between each pair of them. - Highlights: ► 35 S disintegration rate measured in Liquid Scintillator system using CIEMAT/NIST method. ► Covariance methodology applied to the overall uncertainty in the 35 S disintegration rate. ► Monte Carlo simulation was applied to determine 35 S activity in the 4πβ(PC)-γ coincidence system

  9. Supervised and Unsupervised Speaker Adaptation in the NIST 2005 Speaker Recognition Evaluation

    National Research Council Canada - National Science Library

    Hansen, Eric G; Slyh, Raymond E; Anderson, Timothy R

    2006-01-01

    Starting in 2004, the annual NIST Speaker Recognition Evaluation (SRE) has added an optional unsupervised speaker adaptation track where test files are processed sequentially and one may update the target model...

  10. Experimental efforts at NIST towards one-electron ions in circular Rydberg states

    International Nuclear Information System (INIS)

    Tan, Joseph N; Guise, Nicholas D; Brewer, Samuel M

    2011-01-01

    Experimental effort is underway at NIST to enable tests of theory with one-electron ions synthesized in circular Rydberg states from captured bare nuclei. Problematic effects that limit the accuracy of predicted energy levels for low-lying states are vanishingly small for high-angular-momentum (high-L) states; in particular, the nuclear size correction for high-L states is completely negligible for any foreseeable improvement of measurement precision. As an initial step towards realizing such states, highly charged ions are extracted from the NIST electron beam ion trap (EBIT) and steered through the electrodes of a Penning trap. The goal is to capture bare nuclei in the Penning trap for experiments to make one-electron atoms in circular Rydberg states with dipole (E1) transitions in the optical domain accessible to a frequency comb.

  11. DELAMINATION AND XRF ANALYSIS OF NIST LEAD IN PAINT FILM STANDARDS

    Science.gov (United States)

    The objectives of this protocol were to remove the laminate coating from lead paint film standards acquired from NIST by means of surface heating. The average XRF value did not change after removal of the polymer coating suggesting that this protocol is satisfactory for renderin...

  12. Update of NIST half-life results corrected for ionization chamber source-holder instability

    International Nuclear Information System (INIS)

    Unterweger, M.P.; Fitzgerald, R.

    2014-01-01

    As reported at the ICRM 2011, it was discovered that the source holder used for calibrations in the NIST 4πγ ionization chamber (IC) was not stable. This has affected a large number of half-life measurement results previously reported and used in compilations of nuclear data. Corrections have been made on all of the half-life data based on the assumption that the changes to the ionization chamber response were gradual. The corrections are energy dependent and therefore radionuclide specific. This presentation will review our results and present the recommended changes in half-life values and/or uncertainties. - Highlights: • The NIST half-life data is corrected for sample positioning variations and refitted. • These results are reported and increased errors in the reported values are given. • Longer lived radionuclides are discussed

  13. The AMI speaker diarization system for NIST RT06s meeting data

    NARCIS (Netherlands)

    Leeuwen, D.A. van; Huijbregts, Marijn

    2006-01-01

    We describe the systems submitted to the NIST RT06s evaluation for the Speech Activity Detection (SAD) and Speaker Diarization (SPKR) tasks. For speech activity detection, a new analysis methodology is presented that generalizes the Detection Erorr Tradeoff analysis commonly used in speaker

  14. The AMI speaker diarization system for NIST RT06s meeting data

    NARCIS (Netherlands)

    van Leeuwen, David A.; Huijbregts, M.A.H.

    2007-01-01

    We describe the systems submitted to the NIST RT06s evaluation for the Speech Activity Detection (SAD) and Speaker Diarization (SPKR) tasks. For speech activity detection, a new analysis methodology is presented that generalizes the Detection Erorr Tradeoff analysis commonly used in speaker detection

  15. The liquid hydrogen moderator at the NIST research reactor

    International Nuclear Information System (INIS)

    Williams, Robert E.; Rowe, J. Michael; Kopetka, Paul

    1997-09-01

    In 1995, the NIST research reactor was shut down for a number of modifications, including the replacement of the D 2 O cold neutron source with a liquid hydrogen moderator. When the liquid hydrogen source began operating, the flux of cold neutrons increased by a factor of six over the D 2 O source. The design and operation of the hydrogen source are described, and measurements of its performance are compared with the Monte Carlo simulations used in the design. (auth)

  16. 41Ca standardization by the CIEMAT/NIST LSC method

    International Nuclear Information System (INIS)

    Rodriguez Barquero, L.; Los Arcos, J.M.

    1996-01-01

    A procedure for the liquid scintillation counting standardization of the electron-capture nuclide 41 Ca has been successfully developed and applied with 41 CaCl 2 and 41 Ca-(HDEHP) n samples synthesized in the laboratory from 41 CaCO 3 supplied by Oak Ridge National Laboratory. Six scintillators were tested: the organic samples were stable in toluene-alcohol, Ultima-Gold TM and HiSafe III TM for 30 d, whereas the inorganic samples were only stable in toluene-alcohol and HiSafe III TM for the same period of time. Despite of the low counting efficiencies (1%-13%) due to the very low-energy of less than 3.6 keV of the X-rays and Auger electrons of 41 Ca, the stable samples were standardized by the CIEMAT/NIST method to a combined uncertainty of 2.4% over a range of figures of merit of 1.75 to 7.25 ( 3 H equivalent efficiency of 40% to 7%). (orig.)

  17. Primary standardization of {sup 152}Eu by 4πβ(LS) - γ (NaI) coincidence counting and CIEMAT-NIST method

    Energy Technology Data Exchange (ETDEWEB)

    Ruzzarin, A., E-mail: aruzzarin@nuclear.ufrj.br [Coordenacao de Pos-Graduacao e Pesquisa de Engenharia (LIN/PEN/COPPE/UFRJ), Rio de Janeiro, RJ (Brazil). Lab. de Instrumentação Nuclear; Cruz, P.A.L. da; Ferreira Filho, A.L.; Iwahara, A. [Instituto de Radioproteção e Dosimetria (LNMRI/IRD/CNEN-RJ), Rio de Janeiro, RJ (Brazil). Lab. Nacional de Metrologia das Radiações Ionizantes

    2017-07-01

    The 4πβ-γ coincidence counting and CIEMAT/NIST liquid scintillation method were used in the standardization of a solution of {sup 152}Eu. In CIEMAT/NIST method, measurements were performed in a Liquid Scintillation Counter model Wallac 1414. In the 4πβ-γ coincidence counting, the solution was standardized using a coincidence method with 'beta-efficiency extrapolation'. A simple 4πβ-γ coincidence system was used, with acrylic scintillation cell coupled to two coincident photomultipliers at 180° each other and NaI(Tl) detector. The activity concentrations obtained were 156.934 ± 0.722 and 157.403 ± 0.113 kBq/g, respectively, for CIEMAT/NIST and 4πβ-γ coincidence counting measurement methods. (author)

  18. Electron and Positron Stopping Powers of Materials

    Science.gov (United States)

    SRD 7 NIST Electron and Positron Stopping Powers of Materials (PC database for purchase)   The EPSTAR database provides rapid calculations of stopping powers (collisional, radiative, and total), CSDA ranges, radiation yields and density effect corrections for incident electrons or positrons with kinetic energies from 1 keV to 10 GeV, and for any chemically defined target material.

  19. Analysis of the NIST database towards the composition of vulnerabilities in attack scenarios

    NARCIS (Netherlands)

    Nunes Leal Franqueira, V.; van Keulen, Maurice

    The composition of vulnerabilities in attack scenarios has been traditionally performed based on detailed pre- and post-conditions. Although very precise, this approach is dependent on human analysis, is time consuming, and not at all scalable. We investigate the NIST National Vulnerability Database

  20. Discrepancy of sodium mass fraction determined by INAA in the NIST SRM1547 and SRM1515 reference materials and their certified values

    International Nuclear Information System (INIS)

    Kamenik, Jan; Kucera, Jan

    2015-01-01

    Determination of sodium content in NIST standard reference materials (SRM) SRM 1547 and SRM 1515 in recent years yielded values higher than NIST certified values. Similarly, increased values were published for SRM 1547 by several laboratories, however, published sodium values SRM 1515 are in general in agreement with the certified value. Additional analysis of SRM 1547 and SRM 1515 using NIST SRM 3152a Sodium Standard Solution as a calibrator confirmed increased Na values. Inhomogeneity indicating external contamination of the stock material was not found. Moreover, increased Na value was also determined for freshly opened bottle of SRM 1547 material. Analysis of the historical material A-2 from our archive, which is identical with SRM 1515 and was distributed by NIST prior to the SRM 1515 certification and stored in a polyethylene vial, yielded a value in agreement with the certified value. A hypothesis was formulated that sodium in SRM 1547 and SRM 1515 materials could have been increasing after certification, perhaps due to the release of sodium from the glass bottle. (author)

  1. Ultra-low level plutonium isotopes in the NIST SRM 4355A (Peruvian Soil-1)

    International Nuclear Information System (INIS)

    Inn, Kenneth G.W.; LaRosa, Jerome; Nour, Svetlana; Brooks, George; LaMont, Steve; Steiner, Rob; Williams, Ross; Patton, Brad; Bostick, Debbie; Eiden, Gregory; Petersen, Steve; Douglas, Matthew; Beals, Donna; Cadieux, James; Hall, Greg; Goldberg, Steve; Vogt, Stephan

    2009-01-01

    For more than 20 years, countries and their agencies which monitor radionuclide discharge sites and storage facilities have relied on the National Institute of Standards and Technology (NIST) Standard Reference Material (SRM) 4355 Peruvian Soil. Its low fallout contamination makes it an ideal soil blank for measurements associated with terrestrial-pathway-to-man studies. Presently, SRM 4355 is out of stock, and a new batch of the Peruvian soil is currently under development as future NIST SRM 4355A. Both environmental radioanalytical laboratories and mass spectrometry communities will benefit from the use of this SRM. The former must assess their laboratory procedural contamination and measurement detection limits by measurement of blank sample material. The Peruvian Soil is so low in anthropogenic radionuclide content that it is a suitable virtual blank. On the other hand, mass spectrometric laboratories have high sensitivity instruments that are capable of quantitative isotopic measurements at low plutonium levels in the SRM 4355 (first Peruvian Soil SRM) that provided the mass spectrometric community with the calibration, quality control, and testing material needed for methods development and legal defensibility. The quantification of the ultra-low plutonium content in the SRM 4355A was a considerable challenge for the mass spectrometric laboratories. Careful blank control and correction, isobaric interferences, instrument stability, peak assessment, and detection assessment were necessary. Furthermore, a systematic statistical evaluation of the measurement results and considerable discussions with the mass spectroscopy metrologists were needed to derive the certified values and uncertainties. The one sided upper limit of the 95% tolerance with 95% confidence for the massic 239 Pu content in SRM 4355A is estimated to be 54,000 atoms/g.

  2. Assessing Customer Satisfaction at the NIST Research Library: Essential Tool for Future Planning

    Science.gov (United States)

    Liu, Rosa; Allmang, Nancy

    2008-01-01

    This article describes a campus-wide customer satisfaction survey undertaken by the National Institute of Standards and Technology (NIST) Research Library in 2007. The methodology, survey instrument, data analysis, results, and actions taken in response to the survey are described. The outcome and recommendations will guide the library both…

  3. Test of sup 3 He-based neutron polarizers at NIST

    CERN Document Server

    Jones, G L; Thompson, A K; Chowdhuri, Z; Dewey, M S; Snow, W M; Wietfeldt, F E

    2000-01-01

    Neutron spin filters based on polarized sup 3 He are useful over a wide neutron energy range and have a large angular acceptance among other advantages. Two optical pumping methods, spin-exchange and metastability-exchange, can produce the volume of highly polarized sup 3 He gas required for such neutron spin filters. We report a test of polarizers based on each of these two methods on a new cold, monochromatic neutron beam line at the NIST Center for Neutron Research.

  4. Concurso NIST. Análisis del concurso (2007-2012)

    OpenAIRE

    Martín Sierra, Marían

    2014-01-01

    El objetivo de este proyecto es dar a conocer el concurso SHA-3, concurso que ha transcurrido durante los últimos años y que ha promovido el Instituto Nacional de Estándares y Tecnología, también conocido como NIST, con el objetivo de encontrar el nuevo algoritmo criptográfico de función resumen SHA-3 que se utilizará de estándar de aquí en adelante. Con este fin se ha realizado un estudio sobre criptografía en general y sobre algunos de los algoritmos criptográficos de func...

  5. Improving iodine homogeneity in NIST SRM 1548a Typical Diet by cryogenic grinding

    Czech Academy of Sciences Publication Activity Database

    Kučera, Jan; Kameník, Jan

    2015-01-01

    Roč. 20, č. 3 (2015), s. 189-194 ISSN 0949-1775 R&D Projects: GA ČR(CZ) GBP108/12/G108; GA MŠk LM2011019 Institutional support: RVO:61389005 Keywords : Iodine * reference material * NIST SRM 1548a * cryogenic grinding * homogeneity Subject RIV: CB - Analytical Chemistry, Separation Impact factor: 1.010, year: 2015

  6. PHYSICS AND SAFETY ANALYSIS FOR THE NIST RESEARCH REACTOR

    International Nuclear Information System (INIS)

    CHENG, L.; HANSON, A.; DIAMOND, D.; XU, J.; CAREW, J.; RORER, D.

    2004-01-01

    Detailed reactor physics and safety analyses have been performed for the 20 MW D 2 O moderated research reactor (NBSR) at the National Institute of Standards and Technology (NIST). The analyses provide an update to the Final Safety Analysis Report (FSAR) and employ state-of-the-art calculational methods. Three-dimensional Monte Carlo neutron and photon transport calculations were performed with the MCNP code to determine the safety parameters for the NBSR. The core depletion and determination of the fuel compositions were performed with MONTEBURNS. MCNP calculations were performed to determine the beginning, middle, and end-of-cycle power distributions, moderator temperature coefficient, and shim safety arm, beam tube and void reactivity worths. The calculational model included a plate-by-plate description of each fuel assembly, axial mid-plane water gap, beam tubes and the tubular geometry of the shim safety arms. The time-dependent analysis of the primary loop was determined with a RELAP5 transient analysis model that includes the pump, heat exchanger, fuel element geometry, and flow channels for both the six inner and twenty-four outer fuel elements. The statistical analysis used to assure protection from critical heat flux (CHF) was performed using a Monte Carlo simulation of the uncertainties contributing to the CHF calculation. The power distributions used to determine the local fuel conditions and margin to CHF were determined with MCNP. Evaluations were performed for the following accidents: (1) the control rod withdrawal startup accident, (2) the maximum reactivity insertion accident, (3) loss-of-flow resulting from loss of electrical power, (4) loss-of-flow resulting from a primary pump seizure, (5) loss-of-flow resulting from inadvertent throttling of a flow control valve, (6) loss-of-flow resulting from failure of both shutdown cooling pumps and (7) misloading of a fuel element. In both the startup and maximum reactivity insertion accidents, the core

  7. Accident Analysis for the NIST Research Reactor Before and After Fuel Conversion

    Energy Technology Data Exchange (ETDEWEB)

    Baek J.; Diamond D.; Cuadra, A.; Hanson, A.L.; Cheng, L-Y.; Brown, N.R.

    2012-09-30

    Postulated accidents have been analyzed for the 20 MW D2O-moderated research reactor (NBSR) at the National Institute of Standards and Technology (NIST). The analysis has been carried out for the present core, which contains high enriched uranium (HEU) fuel and for a proposed equilibrium core with low enriched uranium (LEU) fuel. The analyses employ state-of-the-art calculational methods. Three-dimensional Monte Carlo neutron transport calculations were performed with the MCNPX code to determine homogenized fuel compositions in the lower and upper halves of each fuel element and to determine the resulting neutronic properties of the core. The accident analysis employed a model of the primary loop with the RELAP5 code. The model includes the primary pumps, shutdown pumps outlet valves, heat exchanger, fuel elements, and flow channels for both the six inner and twenty-four outer fuel elements. Evaluations were performed for the following accidents: (1) control rod withdrawal startup accident, (2) maximum reactivity insertion accident, (3) loss-of-flow accident resulting from loss of electrical power with an assumption of failure of shutdown cooling pumps, (4) loss-of-flow accident resulting from a primary pump seizure, and (5) loss-of-flow accident resulting from inadvertent throttling of a flow control valve. In addition, natural circulation cooling at low power operation was analyzed. The analysis shows that the conversion will not lead to significant changes in the safety analysis and the calculated minimum critical heat flux ratio and maximum clad temperature assure that there is adequate margin to fuel failure.

  8. Evaluation of the sensitivity of the 'Wiley registry of tandem mass spectral data, MSforID' with MS/MS data of the 'NIST/NIH/EPA mass spectral library'.

    Science.gov (United States)

    Oberacher, Herbert; Whitley, Graeme; Berger, Bernd

    2013-04-01

    Tandem mass spectral libraries are versatile tools for small molecular identification finding application in forensic science, doping control, drug monitoring, food and environmental analysis, as well as metabolomics. Two important libraries are the 'Wiley Registry of Tandem Mass Spectral Data, MSforID' (Wiley Registry MSMS) and the collection of MS/MS spectra part of the 2011 edition of the 'NIST/NIH/EPA Mass Spectral Library' (NIST 11 MSMS). Herein, the sensitivity and robustness of the Wiley Registry MSMS were evaluated using spectra extracted from the NIST 11 MSMS library. The sample set was found to be heterogeneous in terms of mass spectral resolution, type of CID, as well as applied collision energies. Nevertheless, sensitive compound identification with a true positive identification rate ≥95% was possible using either the MSforID Search program or the NIST MS Search program 2.0g for matching. To rate the performance of the Wiley Registry MSMS, cross-validation experiments were repeated using subcollections of NIST 11 MSMS as reference library and spectra extracted from the Wiley Registry MSMS as positive controls. Unexpectedly, with both search algorithms tested, correct results were obtained in less than 88% of cases. We examined possible causes for the results of the cross validation study. The large number of precursor ions represented by a single tandem mass spectrum only was identified as the basic cause for the comparably lower sensitivity of the NIST library. Copyright © 2013 John Wiley & Sons, Ltd.

  9. Liquid Scintillation counting Standardization of 22 NaCl by the CIEMAT/NIST method

    International Nuclear Information System (INIS)

    Rodriguez Barquero, L.; Grau Carles, A.; Grau Malonda, A.

    1995-09-01

    We describe a procedure for preparing a stable solution of ''22 NaCl for liquid scintillation counting and its counting stability and spectral evolution in Insta-Gel''R is studied. The solution has been standardised in terms of activity concentration by the CIEMAT/NIST method with discrepancies between experimental and computed efficiencies lower than 0.4/% and an overall uncertainty of 0.35%

  10. 76 FR 27305 - Proposed Information Collection; Comment Request; the NIST Summer Institute for Middle School...

    Science.gov (United States)

    2011-05-11

    ...) programs designed to support middle school science teachers to participate in hands-on workshops, lectures... Gaithersburg, Maryland. The workshops provide teachers with instructional information and ideas to use in their teaching, and emphasize the measurement science done at NIST. The Program provides a world-class...

  11. Comparison of elemental quantity by PIXE and ICP-MS and/or ICP-AES for NIST standards

    International Nuclear Information System (INIS)

    Saitoh, K.; Sera, K.; Gotoh, T.; Nakamura, M.

    2002-01-01

    Urban particulate matter (SRM 1648), Buffalo River sediment (SRM 2704) and pine needle (SRM 1575) standard reference materials prepared by the National Institute of Standards and Technology (NIST, USA) were analyzed by three multi-element analysis methods, i.e., particle induced X-ray emission (PIXE), inductively coupled plasma-mass spectrometry (ICP-MS) and inductively coupled plasma-atomic emission spectrometry (ICP-AES); values determined by those analysis methods were compared with certified and/or non-certified values of NIST samples. Values determined by PIXE were 70-120% relative to certified and/or non-certified values of NIST samples except for Co in the urban particulate matter, for V and Co in Buffalo River sediment and for Ni and Br in the pine needles samples. In particular, Al, K, Ca, Cr, Mn, Fe, Cu, Zn and Pb were 85-110% in all samples. On the other hand, Na and Fe values determined by ICP-MS were very much different from the certified values in all samples, but the other elements were 70-120%. As for ICP-AES, all elements except for Na were 80-100% in all samples. Comparing the values determined by PIXE and those determined by ICP-MS and/or ICP-AES, there was a slight difference between the samples, but the range was 75-120% except for Na, V, Fe and Co determined by ICP-MS and Na determined by ICP-AES, which was generally consistent with PIXE

  12. Liquid Scintillation Counting Standardization of 22NaCl by te CIEMAT/NIST method

    International Nuclear Information System (INIS)

    Rodriguez Barquero, L.; Grau Carles, A.; Grau Malonda, A.

    1995-01-01

    We describe a procedure for preparing a stable solution of ''22NaCl for liquid scintillation counting and its counting stability and spectral evolution in Insta-Gel''R is studied. The solution has been standardised in terms of activity concentration by the CIEMAT/NIST method with discrepancies between experimental and computed efficiencies lower than 0.4 % and an overall uncertainty of 0.35 %. (Author) 4 refs

  13. Liquid Scintillation Counting Standardization of {sup 2}2NaCl by te CIEMAT/NIST method; Calibracion por Centelleo Liquido del ''22NaCl, mediante el metodo CIEMAT/NIST

    Energy Technology Data Exchange (ETDEWEB)

    Rodriguez Barquero, L.; Grau Carles, A.; Grau Malonda, A.

    1995-07-01

    We describe a procedure for preparing a stable solution of ''22NaCl for liquid scintillation counting and its counting stability and spectral evolution in Insta-Gel''R is studied. The solution has been standardised in terms of activity concentration by the CIEMAT/NIST method with discrepancies between experimental and computed efficiencies lower than 0.4 % and an overall uncertainty of 0.35 %. (Author) 4 refs.

  14. Planck Constant Determination from Power Equivalence

    Science.gov (United States)

    Newell, David B.

    2000-04-01

    Equating mechanical to electrical power links the kilogram, the meter, and the second to the practical realizations of the ohm and the volt derived from the quantum Hall and the Josephson effects, yielding an SI determination of the Planck constant. The NIST watt balance uses this power equivalence principle, and in 1998 measured the Planck constant with a combined relative standard uncertainty of 8.7 x 10-8, the most accurate determination to date. The next generation of the NIST watt balance is now being assembled. Modification to the experimental facilities have been made to reduce the uncertainty components from vibrations and electromagnetic interference. A vacuum chamber has been installed to reduce the uncertainty components associated with performing the experiment in air. Most of the apparatus is in place and diagnostic testing of the balance should begin this year. Once a combined relative standard uncertainty of one part in 10-8 has been reached, the power equivalence principle can be used to monitor the possible drift in the artifact mass standard, the kilogram, and provide an accurate alternative definition of mass in terms of fundamental constants. *Electricity Division, Electronics and Electrical Engineering Laboratory, Technology Administration, U.S. Department of Commerce. Contribution of the National Institute of Standards and Technology, not subject to copyright in the U.S.

  15. Progress in Primary Acoustic Thermometry at NIST: 273 K to 505 K

    Science.gov (United States)

    Strouse, G. F.; Defibaugh, D. R.; Moldover, M. R.; Ripple, D. C.

    2003-09-01

    The NIST Acoustic Thermometer determines the thermodynamic temperature by measuring the speed of sound of argon in a spherical cavity. We obtained the thermodynamic temperature of three fixed points on the International Temperature Scale of 1990: the melting point of gallium [T(Ga) = 302.9146 K] and the freezing points of indium [T(In) = 429.7485 K] and tin [T(Sn) = 505.078 K]. The deviations of thermodynamic temperature from the ITS-90 defined temperatures are T - T90 = (4.7 ± 0.6) mK at T(Ga) , T - T90 = (8.8 ± 1.5) mK at T(In) , and T - T90 = (10.7 ± 3.0) mK at T(Sn) , where the uncertainties are for a coverage factor of k = 1. Our results at T(In) and T(Sn) reduce the uncertainty of T - T90 by a factor of two in this range. Both T - T90 at T(Ga) and the measured thermal expansion of the resonator between the triple point of water and T(Ga) are in excellent agreement with the 1992 determination at NIST. The dominant uncertainties in the present data come from frequency-dependent and time-dependent crosstalk between the electroacoustic transducers. We plan to reduce these uncertainties and extend this work to 800 K.

  16. Analysis of Loss-of-Coolant Accidents in the NIST Research Reactor - Early Phase

    Energy Technology Data Exchange (ETDEWEB)

    Baek, Joo S.; Diamond, David

    2016-12-06

    A study of the fuel temperature during the early phase of a loss-of-coolant accident (LOCA) in the NIST research reactor (NBSR) was completed. Previous studies had been reported in the preliminary safety analysis report for the conversion of the NBSR from high-enriched uranium (HEU) fuel to low-enriched (LEU) fuel. Those studies had focused on the most vulnerable LOCA situation, namely, a double-ended guillotine break in the time period after reactor trip when water is drained from either the coolant channels inside the fuel elements or the region outside the fuel elements. The current study fills in a gap in the analysis which is the early phase of the event when there may still be water present but the reactor is at power or immediately after reactor trip and pumps have tripped. The calculations were done, for both the current HEU-fueled core and the proposed LEU core, with the TRACE thermal-hydraulic systems code. Several break locations and different break sizes were considered. In all cases the increase in the clad (or fuel meat) temperature was relatively small so that a large margin to the temperature threshold for blistering (the Safety Limit for the NBSR) remained.

  17. Rigorous quantitative elemental microanalysis by scanning electron microscopy/energy dispersive x-ray spectrometry (SEM/EDS) with spectrum processing by NIST DTSA-II

    Science.gov (United States)

    Newbury, Dale E.; Ritchie, Nicholas W. M.

    2014-09-01

    Quantitative electron-excited x-ray microanalysis by scanning electron microscopy/silicon drift detector energy dispersive x-ray spectrometry (SEM/SDD-EDS) is capable of achieving high accuracy and high precision equivalent to that of the high spectral resolution wavelength dispersive x-ray spectrometer even when severe peak interference occurs. The throughput of the SDD-EDS enables high count spectra to be measured that are stable in calibration and resolution (peak shape) across the full deadtime range. With this high spectral stability, multiple linear least squares peak fitting is successful for separating overlapping peaks and spectral background. Careful specimen preparation is necessary to remove topography on unknowns and standards. The standards-based matrix correction procedure embedded in the NIST DTSA-II software engine returns quantitative results supported by a complete error budget, including estimates of the uncertainties from measurement statistics and from the physical basis of the matrix corrections. NIST DTSA-II is available free for Java-platforms at: http://www.cstl.nist.gov/div837/837.02/epq/dtsa2/index.html).

  18. Assessment of stability of trace elements in two natural matrix environmental standard reference materials. NIST-SRM 1547 Peach leaves and NIST-SRM 1566a Oyster Tissue

    International Nuclear Information System (INIS)

    Mackey, E.A.; Spatz, R.O.

    2009-01-01

    The NIST program for environmental Standard Reference Materials (SRM) includes materials covering a range of matrices, mass fraction values and analytes. For many SRMs, mass fraction data are accumulated, incidentally, over time, as these are used routinely for quality assurance purposes. Although these are not formal stability studies, data generated may be useful in assessing stability. To evaluate the potential for assessing material stability from incidental use of SRMs, results of neutron activation analysis performed from 1992 through 2008 were compiled for SRM 1547 Peach Leaves and SRM 1566a Oyster Tissue. Results indicate that incidental use of SRMs yields useful information on SRM stability. (author)

  19. SU-F-I-13: Correction Factor Computations for the NIST Ritz Free Air Chamber for Medium-Energy X Rays

    International Nuclear Information System (INIS)

    Bergstrom, P

    2016-01-01

    Purpose: The National Institute of Standards and Technology (NIST) uses 3 free-air chambers to establish primary standards for radiation dosimetry at x-ray energies. For medium-energy × rays, the Ritz free-air chamber is the main measurement device. In order to convert the charge or current collected by the chamber to the radiation quantities air kerma or air kerma rate, a number of correction factors specific to the chamber must be applied. Methods: We used the Monte Carlo codes EGSnrc and PENELOPE. Results: Among these correction factors are the diaphragm correction (which accounts for interactions of photons from the x-ray source in the beam-defining diaphragm of the chamber), the scatter correction (which accounts for the effects of photons scattered out of the primary beam), the electron-loss correction (which accounts for electrons that only partially expend their energy in the collection region), the fluorescence correction (which accounts for ionization due to reabsorption ffluorescence photons and the bremsstrahlung correction (which accounts for the reabsorption of bremsstrahlung photons). We have computed monoenergetic corrections for the NIST Ritz chamber for the 1 cm, 3 cm and 7 cm collection plates. Conclusion: We find good agreement with other’s results for the 7 cm plate. The data used to obtain these correction factors will be used to establish air kerma and it’s uncertainty in the standard NIST x-ray beams.

  20. SU-F-I-13: Correction Factor Computations for the NIST Ritz Free Air Chamber for Medium-Energy X Rays

    Energy Technology Data Exchange (ETDEWEB)

    Bergstrom, P [National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899 (United States)

    2016-06-15

    Purpose: The National Institute of Standards and Technology (NIST) uses 3 free-air chambers to establish primary standards for radiation dosimetry at x-ray energies. For medium-energy × rays, the Ritz free-air chamber is the main measurement device. In order to convert the charge or current collected by the chamber to the radiation quantities air kerma or air kerma rate, a number of correction factors specific to the chamber must be applied. Methods: We used the Monte Carlo codes EGSnrc and PENELOPE. Results: Among these correction factors are the diaphragm correction (which accounts for interactions of photons from the x-ray source in the beam-defining diaphragm of the chamber), the scatter correction (which accounts for the effects of photons scattered out of the primary beam), the electron-loss correction (which accounts for electrons that only partially expend their energy in the collection region), the fluorescence correction (which accounts for ionization due to reabsorption ffluorescence photons and the bremsstrahlung correction (which accounts for the reabsorption of bremsstrahlung photons). We have computed monoenergetic corrections for the NIST Ritz chamber for the 1 cm, 3 cm and 7 cm collection plates. Conclusion: We find good agreement with other’s results for the 7 cm plate. The data used to obtain these correction factors will be used to establish air kerma and it’s uncertainty in the standard NIST x-ray beams.

  1. Performance of the advanced cold neutron source and optics upgrades at the NIST Research Reactor

    International Nuclear Information System (INIS)

    Williams, R.E.; Kopetka, P.; Cook, J.C.; Rowe, J.M.

    2003-01-01

    On March 6, 2002, the NIST Research Reactor resumed routine operation following a six-month shutdown for facility upgrades and maintenance. During the shutdown, the original liquid hydrogen cold neutron source was removed, and the advanced cold source was installed. An optical filter was installed on one of the neutron guides, NG-3, replacing a crystal filter for the 30-m SANS instrument and the guide used between the chopper disks of the Disk Chopper time-of-flight Spectrometer (DCS) installed on NG-4 has been recently reconfigured. Additional improvements in the neutron optics of various instruments are being made. The advanced liquid hydrogen cold neutron source performs as expected, nearly doubling the flux available to most instruments. The measured gains range from about 1.4 at 2 A, to over a factor of two at 15 A. Also as expected, the heat load in the new source increased to 1200 watts, but the previously existing refrigerator has easily accommodated the increase. With intensity gains of a factor of two in the important long wavelength region of the spectrum, the advanced cold source significantly enhances the measurement capability of the cold neutron scattering instrumentation at NIST. The optical filter on NG-3 is also very successful; the 30-m SANS has an additional gain of two at 17 A. A system of refracting lenses and prisms near the SANS sample position has made possible measurements at low Q (0.0005 A -1 ) that were previously not feasible. The DCS has also seen additional intensity gain factors in excess of two for the majority of experiments and at short neutron wavelengths the gains exceed three. In addition, two new triple axis spectrometers will feature double-focusing monochromators in order to exploit the full size of the available thermal and cold neutron beam tubes. The success of the advanced cold source and enhanced neutron optics contributed to the recognition of the NIST Center for Neutron Research as 'the premiere neutron scattering

  2. The development of Chinese power industry and its nuclear power

    International Nuclear Information System (INIS)

    Zhou Dabin

    2002-01-01

    The achievements and disparity of Chinese power industry development is introduced. The position and function of nuclear power in Chinese power industry is described. Nuclear power will play a role in ensuring the reliable and safe supply of primary energy in a long-term and economic way. The development prospects of power source construction in Chinese power industry is presented. Challenge and opportunity in developing nuclear power in China are discussed

  3. Accelerating nuclear power standards development and promoting sound nuclear power development in China

    International Nuclear Information System (INIS)

    Yang Changli

    2008-01-01

    The paper expounds the importance of quickening establishment and perfection of nuclear power standard system in China, analyzes achievements made and problems existed during the development of nuclear power standards, put forward proposals to actively promote the work in this regard, and indicates that CNNC will further strengthen the standardization work, enhance coordination with those trades related to nuclear power standards, and jointly promote the development of nuclear power standards. (authors)

  4. An ecological solution in power development strategy: hydroelectric Power

    International Nuclear Information System (INIS)

    Ionescu, S.; Teodorescu, D.

    1994-01-01

    One of the fundamental criteria in establishing the power development strategy is represented by the environmental protection. Besides increasing the power efficiency for users, the hydro power stands for a handy alternative to generate thermal power. Comparatively, if hydro power is properly planed and developed, it could allow conservation of fossil fuel resources (as it makes use of a renewable resources) and avoids air and water pollution and in addition would lead to certain positive effects upon the natural and anthropic environment (flood routing, optimizes the power supply-demand relationship, and so on). By making use of the data available in the international specific literature and the information on the power development strategy in Romania the effects incurred by hydro power are both qualitatively and quantitatively emphasized as compared to alternative power generation by fossil fuel combustion. The proposal is made to adopt certain law regulations as well as a methodology to evaluate the general efficiency of various types of power generating devices suiting the particular conditions of Romania and taking into account the social cost as well as environmental effects. Hence a power development strategy could be undertaking at the national level provided it meets the requirements of both power system and environment protection. (Author)

  5. NIST ThermoData Engine: Extension to Solvent Design and Propagation of Uncertainties for Process Simulation

    DEFF Research Database (Denmark)

    Diky, Vladimir; Chirico, Robert D.; Muzny, Chris

    ThermoData Engine (TDE, NIST Standard Reference Databases 103a and 103b) is the first product that implements the concept of Dynamic Data Evaluation in the fields of thermophysics and thermochemistry, which includes maintaining the comprehensive and up-to-date database of experimentally measured ...... uncertainties, curve deviations, and inadequacies of the models. Uncertainty analysis shows relative contributions to the total uncertainty from each component and pair of components....

  6. An advanced liquid hydrogen cold source for the NIST research reactor

    International Nuclear Information System (INIS)

    Williams, R.E.; Kopetka, P.; Rowe, J.M.

    1999-01-01

    A second-generation liquid hydrogen cold neutron source is currently being fabricated and will be installed in the NIST reactor early next year. The existing source has operated very successfully over the last four years, providing a six-fold increase in the cold neutron yield compared to the previous heavy ice source. The design of the new source is based on our operating experience with the existing LH 2 source and extensive neutron transport calculations using improved MCNP modeling and computational capabilities. Enhanced mechanical design and manufacturing tools are exploited in the fabrication of the advanced source, which is expected to nearly double the yield of the existing LH 2 source. (author)

  7. Cold neutron prompt gamma activation analysis at NIST; A progress report

    Energy Technology Data Exchange (ETDEWEB)

    Paul, R L; Lindstrom, R M [National Inst. of Standards and Technology, Gaithersburg, MD (United States). Div. of Inorganic Analytical Research; Vincent, D H [Michigan Univ., Ann Arbor, MI (United States). Dept. of Nuclear Engineering

    1994-05-01

    An instrument for prompt gamma-ray activation analysis is now in operation at the NIST Cold Neutron Research Facility (CNRF). The cold neutron beam is relatively free of contamination by fast neutrons and reactor gamma rays, and the neutron fluence rate is 1.5 x 10 [sup 8] cm [sup -2] x s [sup -1] (thermal equivalent). As a result of a compact target-detector geometry the sensitivity is better by a factor of as much as seven than that obtained with an existing thermal instrument, and hydrogen background is a factor of 50 lower. This instrument was applied to multielement analysis of the Allende meteorite and other materials. (author) 14 refs.; 2 figs.; 1 tab.

  8. Homogeneity and evaluation of the new NIST leaf certified reference materials

    International Nuclear Information System (INIS)

    Becker, D.A.

    1990-01-01

    The NIST has produced and is in the process of certifying two new leaf CRMs, SRM1515 Apple Leaves and SRM 1547 Peach Leaves, as replacements for the no longer available NBS Orchard Leaves and the almost depleted Citrus Leaves. These two new materials have been processed and are being thoroughly evaluated and should provide the most advanced natural matrix botanical trace-element reference materials available. Caution should be used in determining a basis weight (drying) for these CRMs because of their very fine particle size. Homogeneity has been established by instrumental neutron activation analysis on both leaf materials for five elements, to date, to better than 1.5% (1 s) for 100-mg sample sizes

  9. CERT (registered trademark) Resilience Management Model (CERT (registered trademark)-RMM) V1.1: NIST Special Publication Crosswalk Version 2

    Science.gov (United States)

    2014-06-01

    27000 series, COBIT, the British Standards Institution’s BS 25999, and ISO 24762  includes quantitative process measurements that can be used to...the NIST special publications 800 series, the International Organization for Standards ( ISO ) and International Electrotechnical Commission (IEC

  10. Liquid scintillation counting standardization of 125I in organic and inorganic samples by the CIEMAT/NIST method; Calibracion por centelleo liquido del 125I en muestras inorganicas y organicas, mediante el metodo CIEMAT/NIST

    Energy Technology Data Exchange (ETDEWEB)

    Rodriguez Barquero, L.; Grau Malonda, A.; Los Arcos Merino, J. M.; Grau Carles, A.

    1994-07-01

    The liquid scintillation counting standardization of organic and inorganic samples of ''I25I by the CIEMAT/NIST method using five different scintillators is described. The discrepancies between experimental and computed efficiencies are lower than 1.4% and 1.7%, for inorganic and organic samples, respectively, in the interval 421-226 of quenching parameter. Both organic and inorganic solutions have been standardized in terms of activity concentration to an overall uncertainty of 0.76%. (Author) 14 refs.

  11. Nuclear power in developing countries

    International Nuclear Information System (INIS)

    Morrison, R.W.

    1980-01-01

    A few of the essential issues which arise when we consider nuclear power and development together in the context of energy policy are discussed. Ethical concerns must ultimately be expressed through policies and their impact on people. There are ethical issues associated with nuclear power in the developing countries which deserve our attention. Four aspects of the question of nuclear power in developing countries are considered: their energy situation; the characteristics of nuclear power which are relevant to them; whether developing countries will undertake nuclear power programmes; and finally the ethical implications of such programmes. It is concluded that what happens in developing countries will depend more on the ethical nature of major political decisions and actions than on the particular technology they use to generate their electricity. (LL)

  12. Nuclear power development

    International Nuclear Information System (INIS)

    Nealey, S.

    1990-01-01

    The objective of this study is to examine factors and prospects for a resumption in growth of nuclear power in the United States over the next decade. The focus of analysis on the likelihood that current efforts in the United States to develop improved and safer nuclear power reactors will provide a sound technical basis for improved acceptance of nuclear power, and contribute to a social/political climate more conducive to a resumption of nuclear power growth. The acceptability of nuclear power and advanced reactors to five social/political sectors in the U.S. is examined. Three sectors highly relevant to the prospects for a restart of nuclear power plant construction are the financial sector involved in financing nuclear power plant construction, the federal nuclear regulatory sector, and the national political sector. For this analysis, the general public are divided into two groups: those who are knowledgeable about and involved in nuclear power issues, the involved public, and the much larger body of the general public that is relatively uninvolved in the controversy over nuclear power

  13. Development of nuclear power

    International Nuclear Information System (INIS)

    1960-01-01

    The discussion on the development of nuclear power took place on 28 September 1960 in Vienna. In his opening remarks, Director General Cole referred to the widespread opinion that 'the prospect of cheap electricity derived from nuclear energy offers the most exciting prospect for improving the lot of mankind of all of the opportunities for uses of atomic energy'. He then introduced the four speakers and the moderator of the discussion, Mr. H. de Laboulaye, IAEA Deputy Director General for Technical Operations. n the first part of the discussion the experts addressed themselves in turn to four topics put forward by the moderator. These were: the present technical status of nuclear power, the present costs of nuclear power, prospects for future reductions in the cost of nuclear power, and applications of nuclear power in less-developed areas

  14. Preparation and LSC standardization of ''89 Sr (DNP) using the CIEMAT/NIST method

    International Nuclear Information System (INIS)

    Rodriguez Barquero, L.; Arcos Merino, J.M. Los; Grau Malonda, A.

    1994-01-01

    A procedure for preparation of liquid scintillation counting samples of the strontium DNP complex, labelled with ''89 Sr, is described. The chemical quench, the counting stability and spectral evolution of this compound is studied in six scintillators, Toluene, Toluene-alcohol, Dioxane-naphthalene, HiSafe II, Ultima-Gold and Instagel. The liquid scintillation standardization of ''89Sr-DNP by the CIEMAT/NIST method, using Hisafe II and Ultima-Gold scintillators, has been carried out. The discrepancies between experimental and computed efficiencies are lower than 0.38% and 0.48%, respectively. The solution has been standardized in terms of activity concentration to an overall uncertainty of 0.38%. (Author)

  15. Update of NIST half-life results corrected for ionization chamber source-holder instability.

    Science.gov (United States)

    Unterweger, M P; Fitzgerald, R

    2014-05-01

    As reported at the ICRM 2011, it was discovered that the source holder used for calibrations in the NIST 4πγ ionization chamber (IC) was not stable. This has affected a large number of half-life measurement results previously reported and used in compilations of nuclear data. Corrections have been made on all of the half-life data based on the assumption that the changes to the ionization chamber response were gradual. The corrections are energy dependent and therefore radionuclide specific. This presentation will review our results and present the recommended changes in half-life values and/or uncertainties. © 2013 Published by Elsevier Ltd.

  16. Preparation and LSC Standardization of ''89Sr (DNP) Using the CIEMAT/NIST Method

    International Nuclear Information System (INIS)

    Rodriguez Barquero, L.; Los Arcos Merino, J. M.; Grau Malonda, A.

    1994-01-01

    A procedure for preparation of liquid scintillation counting samples of the strontium DNP complex, labelled with ''89Sr, is described, the chemical quench, the counting stability and spectral evolution of this compound is studied in six scintillators, Toluene, Toluene-alcohol, Dioxane-naphthalene, HiSafe II, Ultima- Gold and Instagel. The liquid scintillation standardization of 89Sr-DNP by the CIEMAT/NIST method, using HiSafe II and Ultima-Gold scintillators, has been carried out. The discrepancies between experimental and computed efficiencies are lower than 0.38% and 0.48%, respectively. The solution has been standardized in terms of activity concentration to an overall uncertainty of 0,38%. (Author) 10 refs

  17. Towards sustainable nuclear power development

    International Nuclear Information System (INIS)

    Andrianov, Andrei A.; Murogov, Victor M.; Kuptsov, Ilya S.

    2014-01-01

    The review of the current situation in the nuclear energy sector carried out in this article brings to light key problems and contradictions, development trends and prospects, which finally determine the role and significance of nuclear power as a factor ensuring a sustainable energy development. Authors perspectives on the most appropriate developments of nuclear power, which should be based on a balanced use of proven innovative nuclear technologies and comprehensive multilateral approaches to the nuclear fuel cycle are expressed. The problems of wording appropriate and essential requirements for new countries with respect to their preparedness to develop nuclear programs, taking into account their development level of industry and infrastructure as well as national heritages and peculiarities, are explained. It is also indicated that one of the major components of sustainability in the development of nuclear power, which legitimates its public image as a power technology, is the necessity of developing and promoting the concepts of nuclear culture, nuclear education, and professional nuclear ethics. (orig.)

  18. Towards sustainable nuclear power development

    Energy Technology Data Exchange (ETDEWEB)

    Andrianov, Andrei A.; Murogov, Victor M.; Kuptsov, Ilya S. [Obninsk Institute for Nuclear Power Engineering of NNRU MEPhl, Obninsk, Kaluga Region (Russian Federation)

    2014-05-15

    The review of the current situation in the nuclear energy sector carried out in this article brings to light key problems and contradictions, development trends and prospects, which finally determine the role and significance of nuclear power as a factor ensuring a sustainable energy development. Authors perspectives on the most appropriate developments of nuclear power, which should be based on a balanced use of proven innovative nuclear technologies and comprehensive multilateral approaches to the nuclear fuel cycle are expressed. The problems of wording appropriate and essential requirements for new countries with respect to their preparedness to develop nuclear programs, taking into account their development level of industry and infrastructure as well as national heritages and peculiarities, are explained. It is also indicated that one of the major components of sustainability in the development of nuclear power, which legitimates its public image as a power technology, is the necessity of developing and promoting the concepts of nuclear culture, nuclear education, and professional nuclear ethics. (orig.)

  19. Reusing balanced power flow object components for developing harmonic power flow

    Energy Technology Data Exchange (ETDEWEB)

    Nadarajah, S. [Peninsular Malaysia Electric Utility Co., Kuala Lumpur (Malaysia). Tenaga Nasional Berhad; Nor, K.M.; Abdel-Akher, M. [Malaysia Univ., Kuala Lumpur (Malaysia). Dept. of Electrical Engineering

    2005-07-01

    Harmonic power flows are used to examine the effects of nonlinear loads on power systems. In this paper, component technology was re-used for the development of a harmonic power flow. The object-oriented power system model (OO-PSM) was developed separately from a solution algorithm. Nodes, lines, and transformers were modelled as entity objects by classes. Power flow solution algorithms were modelled as control objects and encapsulated inside independent software components within the power system component software architecture (PS-COM). Both the OO-PSM and the PS-COM of the balanced power flow were re-used for developing the proposed harmonic power flow. A no-interaction hypothesis was used to consider both fundamental voltages and nonlinear device data dependence. A direct solution voltage node method was also used. The accuracy of the method was demonstrated using IEEE 14 bus and 30 bus test systems. It was concluded that component technology can be used to develop harmonic power flow programs. 7 refs., 2 tabs., 9 figs.

  20. Simulation evaluation of NIST air-kerma rate calibration standard for electronic brachytherapy.

    Science.gov (United States)

    Hiatt, Jessica R; Rivard, Mark J; Hughes, H Grady

    2016-03-01

    Dosimetry for the model S700 50 kV electronic brachytherapy (eBT) source (Xoft, Inc., a subsidiary of iCAD, San Jose, CA) was simulated using Monte Carlo (MC) methods by Rivard et al. ["Calculated and measured brachytherapy dosimetry parameters in water for the Xoft Axxent x-ray source: An electronic brachytherapy source," Med. Phys. 33, 4020-4032 (2006)] and recently by Hiatt et al. ["A revised dosimetric characterization of the model S700 electronic brachytherapy source containing an anode-centering plastic insert and other components not included in the 2006 model," Med. Phys. 42, 2764-2776 (2015)] with improved geometric characterization. While these studies examined the dose distribution in water, there have not previously been reports of the eBT source calibration methods beyond that recently reported by Seltzer et al. ["New national air-kerma standard for low-energy electronic brachytherapy sources," J. Res. Natl. Inst. Stand. Technol. 119, 554-574 (2014)]. Therefore, the motivation for the current study was to provide an independent determination of air-kerma rate at 50 cm in air K̇air(d=50 cm) using MC methods for the model S700 eBT source. Using CAD information provided by the vendor and disassembled sources, an MC model was created for the S700 eBT source. Simulations were run using the mcnp6 radiation transport code for the NIST Lamperti air ionization chamber according to specifications by Boutillon et al. ["Comparison of exposure standards in the 10-50 kV x-ray region," Metrologia 5, 1-11 (1969)], in air without the Lamperti chamber, and in vacuum without the Lamperti chamber. K̇air(d=50 cm) was determined using the *F4 tally with NIST values for the mass energy-absorption coefficients for air. Photon spectra were evaluated over 2 π azimuthal sampling for polar angles of 0° ≤ θ ≤ 180° every 1°. Volume averaging was averted through tight radial binning. Photon energy spectra were determined over all polar angles in both air and vacuum using

  1. Power Systems Development Facility

    Energy Technology Data Exchange (ETDEWEB)

    Southern Company Services

    2009-01-31

    In support of technology development to utilize coal for efficient, affordable, and environmentally clean power generation, the Power Systems Development Facility (PSDF), located in Wilsonville, Alabama, has routinely demonstrated gasification technologies using various types of coals. The PSDF is an engineering scale demonstration of key features of advanced coal-fired power systems, including a Transport Gasifier, a hot gas particulate control device, advanced syngas cleanup systems, and high-pressure solids handling systems. This final report summarizes the results of the technology development work conducted at the PSDF through January 31, 2009. Twenty-one major gasification test campaigns were completed, for a total of more than 11,000 hours of gasification operation. This operational experience has led to significant advancements in gasification technologies.

  2. Electric power development in the USSR

    International Nuclear Information System (INIS)

    Rudenko, Y.N.

    1993-01-01

    The generation of electric power in the USSR is based on the Unified Electric Power System (UEPS) whose network cover most of the habitable territory of the country. Therefore, the development of the UEPS governs the overall evolution of the electric power generation in the country. At present, eleven out of thirteen joint electric power systems, which supply electricity to most of the USSR, are operating within the UEPS. The total electric power generation in the country reached 1728 billion kWh in 1990, of which the UEPS supplied approximately 90%. About 70% of installed capacity of the UEPS is fossil-fuelled power plants, about 12 % is nuclear power plants, and about 18% is hydroelectric power plants. The system-forming grid of the UEPS is made up of transmission lines of 220, 330, 500 and 750 kV. The on-line supervisory control of the UEPS is achieved by four-level automated system of dispatch control (UEPS, joint electric power systems, regional electric power systems, electric power plants, substations,electric grid regions). The development and extension of the UEPS in the USSR ensure higher reliability and quality of electric power supply to end-users, combined with higher efficiency. The principal problem facing the UEPS are as follows: the need to ensure environmental protection and efficiency of the steam power plants; to improve the safety and efficiency of nuclear power plants. The solution to these problems will define the conditions of the UEPS development, as well as electric power systems of other countries, at least for the coming two decades. This paper characterizes the peculiarities of the UEPS development over the last 20 years, including the installed capacity structure and the system-forming electric power grid. Special attention is paid to the environmental problems related to functioning and development of the UEPS and to the means of their solution. (author)

  3. Nuclear power and sustainable development

    International Nuclear Information System (INIS)

    Sandklef, S.

    2000-01-01

    Nuclear Power is a new, innovative technology for energy production, seen in the longer historic perspective. Nuclear technology has a large potential for further development and use in new applications. To achieve this potential the industry needs to develop the arguments to convince policy makers and the general public that nuclear power is a real alternative as part of a sustainable energy system. This paper examines the basic concept of sustainable development and gives a quality review of the most important factors and requirements, which have to be met to quality nuclear power as sustainable. This paper intends to demonstrate that it is not only in minimising greenhouse gas emissions that nuclear power is a sustainable technology, also with respect to land use, fuel availability waste disposal, recycling and use of limited economic resources arguments can be developed in favour of nuclear power as a long term sustainable technology. It is demonstrated that nuclear power is in all aspects a sustainable technology, which could serve in the long term with minimal environmental effects and at minimum costs to the society. And the challenge can be met. But to achieve need political leadership is needed, to support and develop the institutional and legal framework that is the basis for a stable and long-term energy policy. Industry leaders are needed as well to stand up for nuclear power, to create a new industry culture of openness and communication with the public that is necessary to get the public acceptance that we have failed to do so far. The basic facts are all in favour of nuclear power and they should be used

  4. Power generation and power system development for the period after 2000

    International Nuclear Information System (INIS)

    Fushtikj, Vangel

    1998-01-01

    The paper presents an overview of the power generation and power system development worldwide in terms of forecast power and energy production. The conditions of power system ability to meet the changes, caused by the new technologies development and regulatory policy, in the next intensive energy period are also considered. Identified key issues are used to emphasize the guided concepts and principles in power system evolution. (Author)

  5. Liquid scintillation counting standardization of ''125 I in organic and inorganic samples by the CIEMAT/NIST method

    International Nuclear Information System (INIS)

    Rodriguez Barquero, L.; Grau Malonda, A.; Los Arcos Merino, J.M.; Grau Carles, A.

    1994-01-01

    The liquid scintillation counting standardization of organic and inorganic samples of ''125 I by the CIEMAT/NIST method using five different scintillators is described. The discrepancies between experimental and computed efficiencies are lower than 1.4% and 1.7%, for inorganic and organic samples, respectively, in the interval 421-226 of quenching parameter. Both organic and inorganic solutions have been standardized in terms of activity concentration to an overall uncertainty of 0.76%

  6. Nuclear power in the developing world

    International Nuclear Information System (INIS)

    Sokolov, Y.

    2005-01-01

    Current trends in the interest in nuclear power development confirm important changes in opinions around the world about nuclear power's future. Much of the expansion of nuclear power in the sustainable development scenarios takes place in developing countries. For these countries to introduce nuclear power, they need to pass through three main steps: energy planning, infrastructure development and then deployment. The paper gives an overview of the IAEA's activity in this area. In order to meeting the energy needs of developed and developing countries, developing a global vision for nuclear energy, assessing and clarifying the afford ability and acceptability requirements for large-scale nuclear energy use in the 21st century in both developed and developed countries, facilitating international cooperation in developing different types of new generation nuclear energy systems which meet these requirement, and facilitating international discussions aimed at establishing enhanced institutional system acceptable to both developed and developing countries

  7. Third generation of nuclear power development

    International Nuclear Information System (INIS)

    Townsend, H.D.

    1988-01-01

    Developing nations use the nuclear plant option to satisfy important overall national development objectives, in addition to providing economical electric power. The relative importance of these two objectives changes as the nuclear program develops and the interim milestones are reached. This paper describes the three typical stages of nuclear power development programs. The first and the second generations are development phases with the third generation reaching self sufficiency. Examples are presented of European and Far East countries or regions which have reached or are about to step into the third generation phase of development. The paper concludes that to achieve the objectives of a nuclear power self sufficiency, other than merely filling the need of economical electric power, a careful technology transfer plan must be followed which sets realistic and achievable goals and establishes the country as a reliable and technically competent member of the nuclear power industry

  8. Nuclear power for developing countries

    International Nuclear Information System (INIS)

    Hirschmann, H.; Vennemann, J.

    1980-01-01

    The paper describes the energy policy quandary of developing countries and explains why nuclear power plants of a suitable size - the KKW 200 MW BWR nuclear power plant for electric power and/or process steam generation is briefly presented here - have an economic advantage over fossil-fuelled power plants. (HP) [de

  9. Mercury CEM Calibration

    Energy Technology Data Exchange (ETDEWEB)

    John F. Schabron; Joseph F. Rovani; Susan S. Sorini

    2007-03-31

    The Clean Air Mercury Rule (CAMR) which was published in the Federal Register on May 18, 2005, requires that calibration of mercury continuous emissions monitors (CEMs) be performed with NIST-traceable standards. Western Research Institute (WRI) is working closely with the Electric Power Research Institute (EPRI), the National Institute of Standards and Technology (NIST), and the Environmental Protection Agency (EPA) to facilitate the development of the experimental criteria for a NIST traceability protocol for dynamic elemental mercury vapor generators. The traceability protocol will be written by EPA. Traceability will be based on the actual analysis of the output of each calibration unit at several concentration levels ranging from about 2-40 ug/m{sup 3}, and this analysis will be directly traceable to analyses by NIST using isotope dilution inductively coupled plasma/mass spectrometry (ID ICP/MS) through a chain of analyses linking the calibration unit in the power plant to the NIST ID ICP/MS. Prior to this project, NIST did not provide a recommended mercury vapor pressure equation or list mercury vapor pressure in its vapor pressure database. The NIST Physical and Chemical Properties Division in Boulder, Colorado was subcontracted under this project to study the issue in detail and to recommend a mercury vapor pressure equation that the vendors of mercury vapor pressure calibration units can use to calculate the elemental mercury vapor concentration in an equilibrium chamber at a particular temperature. As part of this study, a preliminary evaluation of calibration units from five vendors was made. The work was performed by NIST in Gaithersburg, MD and Joe Rovani from WRI who traveled to NIST as a Visiting Scientist.

  10. Nuclear power development

    International Nuclear Information System (INIS)

    Povolny, M.

    1980-01-01

    The development and uses of nuclear power in Czechoslovakia and other countries are briefly outlined. In the first stage, the Czechoslovak nuclear programme was oriented to the WWER 440 type reactor while the second stage of the nuclear power plant construction is oriented to the WWER 10O0 type reactor. It is envisaged that 12 WWER 440 type reactors and four to five WWER 1000 type reactors will be commissioned till 1990. (J.P.)

  11. Nuclear power in developing countries

    International Nuclear Information System (INIS)

    Laue, H.J.; Bennett, L.L.; Skjoeldebrand, R.

    1984-01-01

    Experience clearly indicates that most developing countries actively planning and implementing nuclear power require broad-scope assistance if their use of nuclear technology is to be safe, economic, and reliable. The IAEA's assistance is directed both to general planning, and to the development of supporting structures and is based on an assessment of needs which cannot be satisfied by other means. The Agency's Division of Nuclear Power has the technical background and tools to support a comprehensive programme of assistance in nuclear power assessment, planning, and implementation. The overall objective of such a programme is to help strengthen national capabilities of executing the following tasks: Analysis of overall energy and electricity demand and supply projections; planning the possible role of nuclear power in electricity supply, through determining the economically optimal extent and schedule for the introduction of nuclear power plants; assessing the available infrastructures and the need, constraints, and possibilities for their development; and developing master schedules, programmes, and recommendations for action. Proposed programmes must be reviewed periodically, and one of the Agency's aims is to ensure that national competence to carry out such reviews exists or can be developed. Training of local staff is therefore one of the most important objectives

  12. Manpower development for nuclear power

    International Nuclear Information System (INIS)

    1980-01-01

    This Guidebook provides policy-makers and managers of nuclear power programmes with information and guidance on the role, requirements, planning and implementation of manpower development programmes. It presents and discusses the manpower requirements associated with the activities of a nuclear power programme, the technical qualifications of this manpower and the manpower development corresponding to these requirements and qualifications. The Guidebook also discusses the purpose and conditions of national participation in the activities of a nuclear power programme

  13. Liquid scintillation counting standardization of 125I in organic and inorganic samples by the CIEMAT/NIST method

    International Nuclear Information System (INIS)

    Rodriguez Barquero, L.; Grau Malonda, A.; Los Arcos Merino, J. M.; Grau Carles, A.

    1994-01-01

    The liquid scintillation counting standardization of organic and inorganic samples of ''I25I by the CIEMAT/NIST method using five different scintillators is described. The discrepancies between experimental and computed efficiencies are lower than 1.4% and 1.7%, for inorganic and organic samples, respectively, in the interval 421-226 of quenching parameter. Both organic and inorganic solutions have been standardized in terms of activity concentration to an overall uncertainty of 0.76%. (Author) 14 refs

  14. Activity measurements of the radionuclide 109Cd for the PTB, Germany and the NIST, USA in the ongoing comparison BIPM.RI(II)-K1.Cd-109

    International Nuclear Information System (INIS)

    Ratel, G.; Michotte, C.; Janssen, H.; Kossert, K.; Lucas, L.; Karam, L.

    2005-01-01

    In 2004, the Physikalisch-Technische Bundesanstalt (PTB, Germany) and the National Institute of Standards and Technology (NIST, USA) each submitted one sample of known activity of 109 Cd to the International Reference System (SIR). The PTB result replaces their previous measurement of 1994 and the NIST result updates their 1986 CCRI(II) comparison result. The values of the activity submitted were about 15 MBq and 42 MBq. The new key comparison results have replaced the earlier values in the matrix of degrees of equivalence that now contains six results, identifier BIPM.RI(II)-K1.Cd-109, to which the remaining eleven results from the CCRI(II)-K2.Cd-109 held in 1986 are still linked. (authors)

  15. Nuclear power development: History and outlook

    International Nuclear Information System (INIS)

    Char, N.L.; Csik, B.J.

    1987-01-01

    The history of nuclear power development is briefly described (including the boosts from oil price shocks to the promotion of nuclear energy). The role of public opinion in relation to nuclear power is mentioned too, in particular in connection with accidents in nuclear plants. The recent trends in nuclear power development are described and the role of nuclear power is foreseen. Estimates of total and nuclear electrical generating capacity are made

  16. Preparation and LSC Standardization of ''89Sr (DNP) Using the CIEMAT/NIST Method; Preparacion del ''89Sr(DNP) y calibracion por centelleo liquido, mediante el metodo CIEMAT/NIST

    Energy Technology Data Exchange (ETDEWEB)

    Rodriguez Barquero, L.; Los Arcos Merino, J. M.; Grau Malonda, A.

    1994-07-01

    A procedure for preparation of liquid scintillation counting samples of the strontium DNP complex, labelled with ''89Sr, is described, the chemical quench, the counting stability and spectral evolution of this compound is studied in six scintillators, Toluene, Toluene-alcohol, Dioxane-naphthalene, HiSafe II, Ultima- Gold and Instagel. The liquid scintillation standardization of 89Sr-DNP by the CIEMAT/NIST method, using HiSafe II and Ultima-Gold scintillators, has been carried out. The discrepancies between experimental and computed efficiencies are lower than 0.38% and 0.48%, respectively. The solution has been standardized in terms of activity concentration to an overall uncertainty of 0,38%. (Author) 10 refs.

  17. Exploring a Black Body Source as an Absolute Radiometric Calibration Standard and Comparison with a NIST Traced Lamp Standard

    Science.gov (United States)

    Green, Robert O.; Chrien, Thomas; Sarture, Chuck

    2001-01-01

    Radiometric calibration of the Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) is required for the scientific research and application objectives pursued with the spectroscopic measurements. Specifically calibration is required for: inter-comparison of AVIRIS data measured at different locations and at different times; analysis of AVIRIS data with data measured by other instruments; and analysis of AVIRIS data in conjunction with computer models. The primary effect of radiometric calibration is conversion of AVIRIS instrument response values (digitized numbers, or DN) to units of absolute radiance. For example, a figure shows the instrument response spectrum measured by AVIRIS over a portion of Rogers Dry Lake, California, and another figure shows the same spectrum calibrated to radiance. Only the calibrated spectrum may be quantitatively analyzed for science research and application objectives. Since the initial development of the AVIRIS instrument-radiometric calibration has been based upon a 1000-W irradiance lamp with a calibration traced to the National Institute of Standards and Technology (NIST). There are several advantages to this irradiance-lamp calibration approach. First, the considerable effort of NIST backs up the calibration. Second, by changing the distance to the lamp, the output can closely span the radiance levels measured by AVIRIS. Third, this type of standard is widely used. Fourth, these calibrated lamps are comparatively inexpensive. Conversely, there are several disadvantages to this approach as well. First, the lamp is not a primary standard. Second, the lamp output characteristics may change in an unknown manner through time. Third, it is difficult to assess, constrain, or improve the calibration uncertainty delivered with the lamp. In an attempt to explore the effect and potentially address some of these disadvantages a set of analyses and measurements comparing an irradiance lamp with a black-body source have been completed

  18. Mercury Continuous Emmission Monitor Calibration

    Energy Technology Data Exchange (ETDEWEB)

    John Schabron; Eric Kalberer; Ryan Boysen; William Schuster; Joseph Rovani

    2009-03-12

    Mercury continuous emissions monitoring systems (CEMs) are being implemented in over 800 coal-fired power plant stacks throughput the U.S. Western Research Institute (WRI) is working closely with the Electric Power Research Institute (EPRI), the National Institute of Standards and Technology (NIST), and the Environmental Protection Agency (EPA) to facilitate the development of the experimental criteria for a NIST traceability protocol for dynamic elemental mercury vapor calibrators/generators. These devices are used to calibrate mercury CEMs at power plant sites. The Clean Air Mercury Rule (CAMR) which was published in the Federal Register on May 18, 2005 and vacated by a Federal appeals court in early 2008 required that calibration be performed with NIST-traceable standards. Despite the vacature, mercury emissions regulations in the future will require NIST traceable calibration standards, and EPA does not want to interrupt the effort towards developing NIST traceability protocols. The traceability procedures will be defined by EPA. An initial draft traceability protocol was issued by EPA in May 2007 for comment. In August 2007, EPA issued a conceptual interim traceability protocol for elemental mercury calibrators. The protocol is based on the actual analysis of the output of each calibration unit at several concentration levels ranging initially from about 2-40 {micro}g/m{sup 3} elemental mercury, and in the future down to 0.2 {micro}g/m{sup 3}, and this analysis will be directly traceable to analyses by NIST. The EPA traceability protocol document is divided into two separate sections. The first deals with the qualification of calibrator models by the vendors for use in mercury CEM calibration. The second describes the procedure that the vendors must use to certify the calibrators that meet the qualification specifications. The NIST traceable certification is performance based, traceable to analysis using isotope dilution inductively coupled plasma

  19. Development of power supplies at VECC

    International Nuclear Information System (INIS)

    De, T.K.

    2005-01-01

    Large scale indigenous production of power supplies started at VECC since 1970. At a later stage, compact Superconducting Cyclotron demanded highly stable (of the order of 20 ppm) magnet power supplies to accommodate a large number of highly precise distributed beam trajectory in a smaller radial distance. Intensive quality development around the power supplies became essential. In-depth understanding of the power supply components, modules, computer based simulation, design, instrumentation, wide and long experience, all put together have contributed remarkable results leading to high quality indigenous development of power supply at VECC - a brief report has been presented in this paper. (author)

  20. Development of nuclear power

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1962-01-15

    An extensive discussion of problems concerning the development of nuclear power took place at the fifth regular session of the IAEA General Conference in September-October 1961. Not only were there many references in plenary meetings to the nuclear power plans of Member States, but there was also a more specific and detailed debate on the subject, especially on nuclear power costs, in the Program, Technical and Budget Committee of the Conference. The Conference had before it a report from the Board of Governors on the studies made by the Agency on the economics of nuclear power. In addition, it had been presented with two detailed documents, one containing a review of present-day costs of nuclear power and the other containing technical and economic information on several small and medium-sized power reactors in the United States. The Conference was also informed of the report on methods of estimating nuclear power costs, prepared with the assistance of a panel of experts convened by the Agency, which was reviewed in the July 1961 issue of this Bulletin

  1. Development of nuclear power

    International Nuclear Information System (INIS)

    1962-01-01

    An extensive discussion of problems concerning the development of nuclear power took place at the fifth regular session of the IAEA General Conference in September-October 1961. Not only were there many references in plenary meetings to the nuclear power plans of Member States, but there was also a more specific and detailed debate on the subject, especially on nuclear power costs, in the Program, Technical and Budget Committee of the Conference. The Conference had before it a report from the Board of Governors on the studies made by the Agency on the economics of nuclear power. In addition, it had been presented with two detailed documents, one containing a review of present-day costs of nuclear power and the other containing technical and economic information on several small and medium-sized power reactors in the United States. The Conference was also informed of the report on methods of estimating nuclear power costs, prepared with the assistance of a panel of experts convened by the Agency, which was reviewed in the July 1961 issue of this Bulletin

  2. Analysis of Chinese Communist Power

    Science.gov (United States)

    1966-04-08

    Confucianism, Legalism, Taoism and ancestral beliefs have been superseded by the dialectical materialism of the Commu- nists’ doctrine; and the mutual...developing individualism or independence. Chinese cosmology existed long before Christianity or Confu- cianism; it survived as a principal religious belief ...harmonious. With these beliefs , the Chinese nature religion included both ancestral and nonances- tral worship. These forces and the Lord on High

  3. Development of Czechoslovak nuclear power complex

    International Nuclear Information System (INIS)

    Rajci, T.

    1986-01-01

    The research project ''Development of the Czechoslovak nuclear power complex'' was undertaken by several Czechoslovak institutions and was coordinated by the Research Institute of the Fuel and Power Complex in Bratislava. Involved in the project was a staff of 170 people. 274 reports were pulished and the cost approached 70 mill. Czechoslovak crowns. The results are characterized of all six partial tasks. Basic information was prepared for the forecast of the solution of fuel and power problems in Czechoslovakia up to the year 2000 and their prospects up to the year 2020. Program MORNAP was written for the development of nuclear power, which models the operation of a power generation and transmission system with a selectable number of nuclear power plants. Another partial task related to the fuel cycle of nuclear power plants with respect to long-term provision and management of nuclear fuel. Nuclear safety was split into three problem groups, viz.: system safety of nuclear power plant operation; radiation problems of nuclear power plant safety; quality assurance of nuclear power plant components. The two remaining tasks were devoted to nuclear power engineering and to civil engineering. (Z.M.). 3 tabs., 1 refs

  4. The third generation of nuclear power development

    International Nuclear Information System (INIS)

    Townsend, H.D.

    1987-01-01

    Developing nations use the nuclear plant option to satisfy important overall national development objectives, in addition to providing economical electric power. The relative importance of these two objectives changes as the nuclear program develops and the interim milestones are reached. This paper describes the three typical stages of nuclear power development programs. The first and the second generations are development phases with the third generation reaching self sufficiency. Examples are presented of European and Far East countries or regions which have reached of are about to step into the third generation phase of development. The paper concludes that to achieve the objective of a nuclear power self sufficiency, other than merely filling the need of economical electric power, a careful technology transfer plan must be followed which sets realistic and achievable goals and establishes the country as a reliable and technically competent member of the nuclear power industry. (author)

  5. Development of Offshore Wind Power Industry

    Institute of Scientific and Technical Information of China (English)

    Liu Xiao

    2011-01-01

    The offshore wind power development target as initially proposed in "The 12=Five-Year" on energy recourses development and renewable energy recourses currently under development is to reach 5m KW by 2015 and 30m KW by 2020. With the unfolding of offshore wind turbine planning from different areas, the curtain of offshore wind power development for our country's "The 12=Five-Year" has been opened.

  6. Design and development of power supplies for high power IOT based RF amplifier

    International Nuclear Information System (INIS)

    Kumar, Yashwant; Kumari, S.; Ghosh, M.K.; Bera, A.; Sadhukhan, A.; Pal, S.S.; Khare, V.K.; Tiwari, T.P.; Thakur, S.K.; Saha, S.

    2013-01-01

    Design, development, circuit topology, function of system components and key system specifications of different power supplies for biasing electrodes of Thales Inductive Output Tube (IOT) based high power RF amplifier are presented in this paper. A high voltage power supply (-30 kV, 3.2A dc) with fast (∼microsecond) crowbar protection circuit is designed, developed and commissioned at VECC for testing the complete setup. Other power supplies for biasing grid electrode (300V, 0.5A dc) and Ion Pump (3 kV, 0.1mA dc) of IOT are also designed, developed and tested with actual load. A HV Deck (60kV Isolation) is specially designed in house to place these power supplies which are floating at 30 kV. All these power supplies are powered by an Isolation Transformer (5 kVA, 60 kV isolation) designed and developed in VECC. (author)

  7. Nuclear power to aid development

    International Nuclear Information System (INIS)

    1969-01-01

    Before nuclear power can play its full role in contributing to the development of less advanced countries, full understanding of the capital investment, fuel costs and other economic factors as well as of the place it must take in existing power programmes is essential. Some insight into the problems and prospects was gained at the symposium arranged by the Agency, and held in Istanbul in October, on 'Nuclear Energy Costs and Economic Development'. (author)

  8. Nuclear Power and Sustainable Development

    International Nuclear Information System (INIS)

    2016-09-01

    Transforming the energy system is at the core of the dedicated sustainable development goal on energy within the new United Nations development agenda. This publication explores the possible contribution of nuclear energy to addressing the issues of sustainable development through a large selection of indicators. It reviews the characteristics of nuclear power in comparison with alternative sources of electricity supply, according to economic, social and environmental pillars of sustainability. The findings summarized in this publication will help the reader to consider, or reconsider, the contribution that can be made by the development and operation of nuclear power plants in contributing to more sustainable energy systems.

  9. Nuclear power development in Japan

    International Nuclear Information System (INIS)

    Sugawara, A.

    1994-01-01

    Energy situation in Japan and Japan's strategy for stable supply of energy are discussed. Benefits of nuclear power in comparison with other energy sources is considered. History of nuclear power development in Japan, modern status and future trends are described. 6 figs

  10. Nuclear power development in Japan

    International Nuclear Information System (INIS)

    Sugawara, A.

    1994-01-01

    The energy situation in Japan is briefly outlined. Vulnerability in energy structure of the country is shown by a comparison of primary energy supply patterns of Japan and Western countries. Japan's energy policy consists in reducing dependence on oil, promoting efficient use of energy and increasing use of non-fossil fuels. Nuclear power is a core of alternative energy for petroleum because of stable supply of nuclear fuel, low detrimental emissions and less dependence on the fuel. A short historical review of nuclear power development in Japan is presented. Some future issues as development of entire nuclear fuel cycle, social acceptance, reactor safety and nuclear power economics are also discussed. 6 figs. (R.T.)

  11. Nuclear power development strategy through 2020 in China

    International Nuclear Information System (INIS)

    Wang Yongping; Zhao Shoufeng; Yuan Yujun; Rao Shuang; Liu Qun; Ding Ruijie

    2005-10-01

    Through the analysis of the nuclear power situation of China, it is emphasized that the nuclear power development strategy is an important part of electric power development strategy and national energy security strategy in China, but nuclear power development in accelerant way will face greater challenge. The uranium demand and supply, the treatment and disposal of radioactive wastes, and other primary problems through 2020 in China are discussed. The nuclear power development strategy till 2020 are described. The relevant measures and recommendations are proposed. (authors)

  12. Development of ultra supercritical (USC) power plant

    Energy Technology Data Exchange (ETDEWEB)

    Chang, Sung Ho; Kim, Bum Soo [KEPCO Research Institute, Daejeon (Korea, Republic of); Min, Taek Ki [Chung Nat' l Univ., Cheongwon (Korea, Republic of)

    2012-02-15

    For environmental reasons and because of our limited energy resources, high efficiency power generation technology will be necessary in the future. Ultra supercritical (USC) power generation technology is the key to managing the greenhouse gas problems and energy resource problems discussed in the Kyoto Protocol to the United Nations Framework Convention on Climate Change. Other countries and manufacturers are trying to build commercial power plants. In this paper, an efficient method of achieving near zero emission operation of a high efficiency fossil power plant using USC power generation is discussed. Development of USC power generation in Korea has been supported by the Korean government in two phases: Phase I was USC key technology development from 2002 to 2008, and Phase II is USC development and technology optimization from 2010 to 2017.

  13. Nuclear Power Infrastructure Development Program: Korean Education Program

    International Nuclear Information System (INIS)

    Choi, Sung Yeol; Hwang, Il Soon; Kim, Si Hwan

    2009-01-01

    Many countries have decided nuclear power for next energy resources as one of the long-term energy supply options. IAEA projected nuclear power expansion up to 2030 reaching between 447 GWe and 691 GWe compared to 370 GWe and 2660 TWh at the end of 2006. Both low and high projection is accompanied with new nuclear power plant constructions respectively 178 and 357, about 11 units per year, and most new construction is in North America, the Far East, Eastern Europe, the Middle East, and Southeast Asia. During the last forty years, thirty three countries have established commercial nuclear power programs but only some of them have developed comprehensive and large scale peaceful nuclear power infrastructure. Although various cooperation and guidance program of nuclear power infrastructure, developing appropriate environment and infrastructure of nuclear power plant is still challenging problems for developing countries launching nuclear power program. With increasing the demand of safety and safeguard from international society, creating appropriate infrastructure becomes essential requirements in national nuclear power program. In the viewpoint of developing countries, without sufficient explanation and proper guidance, infrastructure could be seen only as another barrier in its nuclear power program. The importance of infrastructure development would be obscured by ostensible business and infrastructure program can result in increasing entering barriers to peaceful nuclear power application field without benefits to developing countries and international community. To avoid this situation by providing enough explanation and realistic case example and cooperate with the countries wanting to establish comprehensive nuclear power infrastructure in the peaceful applications, we are creating the education program of infrastructure development with basic guidelines of the IAEA infrastructure series and Korean experiences from least developed country to advanced country

  14. Nuclear power programs in the world's developed and developing countries

    International Nuclear Information System (INIS)

    Czibolya, L.

    1983-01-01

    The significance of nuclear power in the world's energy balance related to fossile energy sources is discussed. The general trend of declination of the national power programs could be observed from the seventies as a result of the oil crisis and the economic recession. The main features of the national energy programs including the ratio of the different energy sources in the power supply, the distribution of power production among the different types of nuclear reactors, the time schedules of the national nuclear power programs are reviewed through the examples of some developed and developing countries: USA, FRG, Canada, Japan, France, Sweden, the Soviet Union, Czechoslovakia, Bulgaria, Hungary, Romania, India, and the Republic of Korea. (V.N.)

  15. Nuclear power development in the Far East

    Energy Technology Data Exchange (ETDEWEB)

    Hsu, W C [Pacific Enegineers and Constructors Ltd., Taipei, Taiwan (China)

    1990-06-01

    The nuclear power development of selected Far Eastern countries is presented in this paper. This paper consists of three sections. Section 1 describes the current power/nuclear power status of Japan, South Korea, Taiwan and China. The first three countries already have operating nuclear power units, while mainland China will have a nuclear power commissioned this year according to their schedule. The power development plan for these countries is also presented. All of them have included nuclear power as part of their energy sources for the future. Section 2 briefly describes the nuclear power industry in these countries which basically covers design, manufacturing and R and D activities. Public Acceptance programs (PAPs) will play a significant role in the future of nuclear power. Section 3 discusses the PAPs of these countries. (author)

  16. Nuclear power development in the Far East

    International Nuclear Information System (INIS)

    Hsu, W.C.

    1990-01-01

    The nuclear power development of selected Far Eastern countries is presented in this paper. This paper consists of three sections. Section 1 describes the current power/nuclear power status of Japan, South Korea, Taiwan and China. The first three countries already have operating nuclear power units, while mainland China will have a nuclear power commissioned this year according to their schedule. The power development plan for these countries is also presented. All of them have included nuclear power as part of their energy sources for the future. Section 2 briefly describes the nuclear power industry in these countries which basically covers design, manufacturing and R and D activities. Public Acceptance programs (PAPs) will play a significant role in the future of nuclear power. Section 3 discusses the PAPs of these countries. (author)

  17. Findings and Recommendations from the NIST Workshop on Alternative Fuels and Materials: Biocorrosion.

    Science.gov (United States)

    Mansfield, Elisabeth; Sowards, Jeffrey W; Crookes-Goodson, Wendy J

    2015-01-01

    In 2013, the Applied Chemicals and Materials Division of the National Institute of Standards and Technology (NIST) hosted a workshop to identify and prioritize research needs in the area of biocorrosion. Materials used to store and distribute alternative fuels have experienced an increase in corrosion due to the unique conditions caused by the presence of microbes and the chemistry of biofuels and biofuel precursors. Participants in this workshop, including experts from the microbiological, fuel, and materials communities, delved into the unique materials and chemical challenges that occur with production, transport, and storage of alternative fuels. Discussions focused on specific problems including: a) the changing composition of "drop-in" fuels and the impact of that composition on materials; b) the influence of microbial populations on corrosion and fuel quality; and c) state-of-the-art measurement technologies for monitoring material degradation and biofilm formation.

  18. Problems of nuclear power in developing countries

    International Nuclear Information System (INIS)

    Woite, G.

    1978-01-01

    The problems of nuclear power in developing countries are different in nature but not less severe than in industrialized countries. So far, only five developing countries with market economies (Argentina, India, Korea, Pakistan, Taiwan) have nuclear power plants in operation with a combined net output of 2.2 GWe. Nuclear projects with a total capacity of 15 GWe are under construction in these and four other developing countries in Asia and Latin America (Brazil, Iran, Mexico, Philippines). It is expected that most of the future nuclear power installed in developing countries of Asia, Africa and Latin America will be in these countries which have overcome some of the problems of nuclear power. (orig./RW) [de

  19. Estimation of neutron mean wavelength from rocking curve dataThis work is a contribution of NIST, an agency of the US Government, and not subject to copyright laws.

    Science.gov (United States)

    Coakley, K. J.; Chowdhuri, Z.; Snow, W. M.; Richardson, J. M.; Dewey, M. S.

    2003-01-01

    At NIST, an in-beam neutron lifetime experiment is underway. In part of the experiment, a neutron detector is calibrated. The accuracy of the detector calibration depends, in part, on how accurately the mean wavelength of a neutron beam can be estimated from rocking curve data. Based on a stochastic model for neutron scattering, we simulate rocking curve data. To speed up the simulation, an importance sampling method is used. For the cases studied, importance sampling reduces the execution time of the simulation code by over a factor of 500. For simulated data, the statistical bias of the mean wavelength estimate is found to be 0.004%. This work is a contribution of NIST, an agency of the US Government, and not subject to copyright laws.

  20. Intelligent Processing Equipment Research and Development Programs of the Department of Commerce

    Science.gov (United States)

    Simpson, J. A.

    1992-01-01

    The intelligence processing equipment (IPE) research and development (R&D) programs of the Department of Commerce are carried out within the National Institute of Standards and Technology (NIST). This institute has had work in support of industrial productivity as part of its mission since its founding in 1901. With the advent of factory automation these efforts have increasingly turned to R&D in IPE. The Manufacturing Engineering Laboratory (MEL) of NIST devotes a major fraction of its efforts to this end while other elements within the organization, notably the Material Science and Engineering Laboratory, have smaller but significant programs. An inventory of all such programs at NIST and a representative selection of projects that at least demonstrate the scope of the efforts are presented.

  1. Nuclear power for developing countries

    International Nuclear Information System (INIS)

    Kendall, J.; Kupitz, J.; Rogner, H. H.

    2000-01-01

    Nuclear power is a proven technology which currently makes a large contribution to the electricity supply in a number of countries and, to a much less extent, to heat supply in some countries. Nuclear power is economically competitive with fossil fuels for base load electricity generation in many countries, and is one of the commercially proven energy supply options that could be expanded in the future to reduce environmental burdens, especially greenhouse gas emissions, from the electricity sector. Over the past five decades, nearly ten thousand reactor-years of operating experience have been accumulated with current nuclear power plants. Building upon this background of success and applying lessons learned from the experience of operating plants, new generations of nuclear power plants have been, or are being developed. Improvements incorporated into these advance designs include features that will allow operators more time to perform equipment protection and safety actions in response to equipment failures and other off normal operating conditions, and that will reduce and simplify the actions required. Great attention is also paid to making new plants simpler to operate, inspect, maintain and repair, thus increasing their overall cost efficiency and their compatibility with the infrastructure of developing countries. The paper provides a discussion of future world energy supply and demand projections, current status and prospects for nuclear power, a short summary of advanced reactor concepts and non-electrical applications of nuclear energy for developing countries, and a review of the role of the IAEA. (author)

  2. Current status of nuclear power development

    International Nuclear Information System (INIS)

    Dias, P.M.

    1994-01-01

    Nuclear power is not a viable energy source for Sri Lanka at present because of a number of reasons, the main reason being the non-availability of small and economically viable nuclear power plants. However several suppliers of nuclear power plants are in the process of developing small and medium power plants (SMPRs) which could be economically competitive with coal. The paper deals with past and future trends of nuclear power plants, their economics and safety. It also deals with environmental effects and public acceptance of nuclear power plants

  3. Nuclear power in developing countries

    International Nuclear Information System (INIS)

    Lane, J.A.; Covarrubias, A.J.; Csik, B.J.; Fattah, A.; Woite, G.

    1977-01-01

    This paper is intended to be a companion to similar papers by OECD/NEA and CMEA and will summarize the nuclear power system plans of developing Member States most likely to have nuclear programmes before the year 2000. The information that is presented is derived from various sources such as the Agency 1974 study of the market for nuclear power in developing countries, the annual publication, ''Power Reactors in Member States - 1976 Edition'', various nuclear power planning studies carried out by the Agency during the period 1975 and 1976, direct correspondence with selected Member States and published information in the open literature. A preliminary survey of the prospects for nuclear power in Member States not belonging to the OECD or having centrally planned economies indicates that about 27 of these countries may have operating nuclear power plants by the end of the century. In the 1974 Edition of the ''Market Survey'' it was estimated that the installed nuclear capacity in these countries might reach 24 GW by 1980, 157 GW by 1190 and 490 GW by the year 2000. It now appears that these figures are too high for a number of reasons. These include 1) the diminished growth in electrical demand which has occurred in many Member States during the last several years, 2) the extremely high cost of nuclear plant construction which has placed financial burdens on countries with existing nuclear programmes, 3) the present lack of commercially available small and medium power reactors which many of the smaller Member States would need in order to expand their electric power systems and 4) the growing awareness of Member States that more attention should be paid to exploitation of indigenous energy sources such as hydroelectric power, coal and lignite

  4. Tidal power: trends and developments

    International Nuclear Information System (INIS)

    1992-01-01

    This volume covers works and studies on tidal power currently being undertaken, both nationally and internationally. The 20 papers included cover the proposed Mersey barrage, the Severn estuary and several papers on the Severn barrage. The Department of Energy's continued variety of generic work on tidal power and various overseas studies carried out by other experts are also detailed, giving the reader an up to date picture of developments in tidal power worldwide. Separate abstracts have been prepared for the individual papers. (author)

  5. Fission Surface Power Technology Development Update

    Science.gov (United States)

    Palac, Donald T.; Mason, Lee S.; Houts, Michael G.; Harlow, Scott

    2011-01-01

    Power is a critical consideration in planning exploration of the surfaces of the Moon, Mars, and places beyond. Nuclear power is an important option, especially for locations in the solar system where sunlight is limited or environmental conditions are challenging (e.g., extreme cold, dust storms). NASA and the Department of Energy are maintaining the option for fission surface power for the Moon and Mars by developing and demonstrating technology for a fission surface power system. The Fission Surface Power Systems project has focused on subscale component and subsystem demonstrations to address the feasibility of a low-risk, low-cost approach to space nuclear power for surface missions. Laboratory demonstrations of the liquid metal pump, reactor control drum drive, power conversion, heat rejection, and power management and distribution technologies have validated that the fundamental characteristics and performance of these components and subsystems are consistent with a Fission Surface Power preliminary reference concept. In addition, subscale versions of a non-nuclear reactor simulator, using electric resistance heating in place of the reactor fuel, have been built and operated with liquid metal sodium-potassium and helium/xenon gas heat transfer loops, demonstrating the viability of establishing system-level performance and characteristics of fission surface power technologies without requiring a nuclear reactor. While some component and subsystem testing will continue through 2011 and beyond, the results to date provide sufficient confidence to proceed with system level technology readiness demonstration. To demonstrate the system level readiness of fission surface power in an operationally relevant environment (the primary goal of the Fission Surface Power Systems project), a full scale, 1/4 power Technology Demonstration Unit (TDU) is under development. The TDU will consist of a non-nuclear reactor simulator, a sodium-potassium heat transfer loop, a power

  6. Potential role of power authorities in offshore wind power development in the US

    International Nuclear Information System (INIS)

    Dhanju, Amardeep; Firestone, Jeremy; Kempton, Willett

    2011-01-01

    This article examines how power authorities could facilitate and manage offshore wind power development in US coastal waters. The power authority structure is an American 20th century institution for managing energy resources-a form of a public authority or public corporation dedicated to creating, operating and maintaining electric generation and transmission infrastructure. Offshore wind power is characterized by high capital costs but no fuel costs and thus low operating costs. Therefore a power authority, by virtue of its access to low-cost capital and managerial flexibility, could facilitate offshore wind power development by reducing financial risk of developing and lowering debt payments, thus improving the risk profile and lowering the cost of electricity production. Additionally, power authorities can be made up of multiple states, thus opening the possibility for joint action by neighboring coastal states. Using primary and secondary data, we undertake an in-depth analysis of the potential benefits and shortcomings of a power authority approach. - Highlights: → Proposes an institutional solution in the form of power authority for offshore wind power. → Power authority structure can significantly lower the cost of capital. → Tax-free bond financing available to power authority can significantly reduce the cost of energy. → It can enhance regional collaboration among coastal states to harness the offshore wind potential.

  7. Global wind power development: Economics and policies

    International Nuclear Information System (INIS)

    Timilsina, Govinda R.; Cornelis van Kooten, G.; Narbel, Patrick A.

    2013-01-01

    Existing literature indicates that theoretically, the earth's wind energy supply potential significantly exceeds global energy demand. Yet, only 2–3% of global electricity demand is currently derived from wind power despite 27% annual growth in wind generating capacity over the last 17 years. More than 95% of total current wind power capacity is installed in the developed countries plus China and India. Our analysis shows that the economic competitiveness of wind power varies at wider range across countries or locations. A climate change damage cost of US$20/tCO 2 imposed to fossil fuels would make onshore wind competitive to all fossil fuels for power generation; however, the same would not happen to offshore wind, with few exceptions, even if the damage cost is increased to US$100/tCO 2 . To overcome a large number of technical, financial, institutional, market and other barriers to wind power, many countries have employed various policy instruments, including capital subsidies, tax incentives, tradable energy certificates, feed-in tariffs, grid access guarantees and mandatory standards. Besides, climate change mitigation policies, such as the Clean Development Mechanism, have played a pivotal role in promoting wind power. Despite these policies, intermittency, the main technical constraint, could remain as the major challenge to the future growth of wind power. - Highlights: • Global wind energy potential is enormous, yet the wind energy contribution is very small. • Existing policies are boosting development of wind power. • Costs of wind energy are higher than cost of fossil-based energies. • Reasonable premiums for climate change mitigation substantially promote wind power. • Intermittency is the key challenge to future development of wind power

  8. Nuclear Power and Sustainable Development

    International Nuclear Information System (INIS)

    2006-04-01

    Any discussion of 21st century energy trends must take into account the global energy imbalance. Roughly 1.6 billion people still lack access to modern energy services, and few aspects of development - whether related to living standards, health care or industrial productivity - can take place without the requisite supply of energy. As we look to the century before us, the growth in energy demand will be substantial, and 'connecting the unconnected' will be a key to progress. Another challenge will be sustainability. How can we meet these growing energy needs without creating negative side effects that could compromise the living environment of future generations? Nuclear power is not a 'fix-all' option. It is a choice that has a place among the mix of solutions, and expectations for the expanding use of nuclear power are rising. In addition to the growth in demand, these expectations are driven by energy security concerns, nuclear power's low greenhouse gas emissions, and the sustained strong performance of nuclear plants. Each country must make its own energy choices; one size does not fit all. But for those countries interested in making nuclear power part of their sustainable development strategies, it is important that the nuclear power option be kept open and accessible

  9. Biomass-burning derived aromatic acids in NIST standard reference material 1649b and the environmental implications

    Science.gov (United States)

    Gao, Shaopeng; Xu, Baiqing; Dong, Xueling; Zheng, Xiaoyan; Wan, Xin; Kang, Shichang; Song, Qiuyin; Kawamura, Kimitaka; Cong, Zhiyuan

    2018-07-01

    Biomass burning is a serious problem in the environment and climate system. However, the source identification of biomass-burning aerosols was somewhat impeded, partly due to the difficulty in quantification of relevant molecular markers. In this study, we present reference values for five aromatic acids (including p-hydroxybenzoic, vanillic, dehydroabietic, syringic and p-coumaric acids) in the NIST Standard Reference Material (SRM) 1649b. The concentration of levoglucosan was also revisited. Notable positive matrix effect was found for vanillic, dehydroabietic, syringic and coumaric acid. Using the standard addition method, the average value of p-hydroxybenzoic, vanillic, syringic, dehydroabietic and p-coumaric acids in SRM 1649b were found to be 26.9, 9.53, 1.13, 7.60 and 1.66 μg g-1, respectively. The analytical method developed in this study was also applied to the PM10 samples from Beijing and PM2.5 samples from South Asia (Godavari, Nepal). The ratios of vanillic to p-hydroxybenzoic acid and syringic to vanillic acid further suggested that their biomass-burning types are mainly related to hard wood and herbaceous species (i.e., agricultural residues).

  10. Nuclear power programmes in developing countries

    International Nuclear Information System (INIS)

    Anon.

    1988-01-01

    The paper on ''Nuclear power programmes in developing countries'' is a report to the IAEA by a Senior Expert Group. A description is given of the requirements for a successful nuclear power programme, including the constraints that developing countries might face in the introduction and execution of the programme. The group attempted to identify the main issues affecting the financing of nuclear power projects and suggested specific actions that could be undertaken in order to reduce economic and financial risks. The various issues were discussed under the topic headings:-programme-project-related factors, investment climate, financing plan, export credits and creditworthiness. (U.K.)

  11. Developing maximal neuromuscular power: part 2 - training considerations for improving maximal power production.

    Science.gov (United States)

    Cormie, Prue; McGuigan, Michael R; Newton, Robert U

    2011-02-01

    This series of reviews focuses on the most important neuromuscular function in many sport performances: the ability to generate maximal muscular power. Part 1, published in an earlier issue of Sports Medicine, focused on the factors that affect maximal power production while part 2 explores the practical application of these findings by reviewing the scientific literature relevant to the development of training programmes that most effectively enhance maximal power production. The ability to generate maximal power during complex motor skills is of paramount importance to successful athletic performance across many sports. A crucial issue faced by scientists and coaches is the development of effective and efficient training programmes that improve maximal power production in dynamic, multi-joint movements. Such training is referred to as 'power training' for the purposes of this review. Although further research is required in order to gain a deeper understanding of the optimal training techniques for maximizing power in complex, sports-specific movements and the precise mechanisms underlying adaptation, several key conclusions can be drawn from this review. First, a fundamental relationship exists between strength and power, which dictates that an individual cannot possess a high level of power without first being relatively strong. Thus, enhancing and maintaining maximal strength is essential when considering the long-term development of power. Second, consideration of movement pattern, load and velocity specificity is essential when designing power training programmes. Ballistic, plyometric and weightlifting exercises can be used effectively as primary exercises within a power training programme that enhances maximal power. The loads applied to these exercises will depend on the specific requirements of each particular sport and the type of movement being trained. The use of ballistic exercises with loads ranging from 0% to 50% of one-repetition maximum (1RM) and

  12. Development on power distribution technologies of four electric power companies in Japan. The Kansai Electric Power Co. , Inc

    Energy Technology Data Exchange (ETDEWEB)

    1989-07-01

    Since dependency upon electric power has been rising yearly with the development of industry and the progress of information-oriented society, various kinds of technical development are needed to supply electricity. Furthermore, amenity of people's living has been highly intended, and life style has varied. Consequently, customers' needs for energy including related services have varied remarkably, and each customer has selected energy more subjectively from the wide range of viewpoint such as reliability, handiness, cleanliness, safety, and economic efficiency. In such situation, the power distribution section of Kansai Electric Power settled four themes for major technical development and has been promoting them. Four themes are as follows; to develop a total automation system for power distribution, to promote 20kV/400V-class power distribution, to develop techniques to form facilities harmonizing with local amenity, and to make business management efficient with the advanced NC system. 3 figs., 4 tabs.

  13. Potentiality Prediction of Electric Power Replacement Based on Power Market Development Strategy

    Science.gov (United States)

    Miao, Bo; Yang, Shuo; Liu, Qiang; Lin, Jingyi; Zhao, Le; Liu, Chang; Li, Bin

    2017-05-01

    The application of electric power replacement plays an important role in promoting the development of energy conservation and emission reduction in our country. To exploit the potentiality of regional electric power replacement, the regional GDP (gross domestic product) and energy consumption are taken as potentiality evaluation indicators. The principal component factors are extracted with PCA (principal component analysis), and the integral potentiality analysis is made to the potentiality of electric power replacement in the national various regions; a region is taken as a research object, and the potentiality of electric power replacement is defined and quantified. The analytical model for the potentiality of multi-scenario electric power replacement is developed, and prediction is made to the energy consumption with the grey prediction model. The relevant theoretical research is utilized to realize prediction analysis on the potentiality amount of multi-scenario electric power replacement.

  14. Approach to developing reliable space reactor power systems

    International Nuclear Information System (INIS)

    Mondt, J.F.; Shinbrot, C.H.

    1991-01-01

    The Space Reactor Power System Project is in the engineering development phase of a three-phase program. During Phase II, the Engineering Development Phase, the SP-100 Project has defined and is pursuing a new approach to developing reliable power systems. The approach to developing such a system during the early technology phase is described in this paper along with some preliminary examples to help explain the approach. Developing reliable components to meet space reactor power system requirements is based on a top down systems approach which includes a point design based on a detailed technical specification of a 100 kW power system

  15. Attitudes towards wind power development in Denmark

    DEFF Research Database (Denmark)

    Ladenburg, Jacob

    The present paper analyses the attitudes towards existing and future land-based turbines and off-shore wind farms. The analysis is carried out using a probit model to elicit systematic characteristics determining the attitude of the population. The analyses show that off-shore development...... is preferred to land based development, which indicates that the wind power development should be taken off-shore. But, the results also point out that the land-based opportunities for wind power development are not exhausted. On a more detailed level, the results denote that the attitude towards both land...... based and off-shore wind power vary with age of the respondents and experience with wind turbines. Younger respondents are more positive towards wind power than older respondents, pointing towards an increase in acceptance in the future. The attitude was also found to covariate negatively...

  16. Neutron beam applications - Polymer study and sample environment development for HANARO SANS instrument

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Hong Doo [Kyunghee University, Seoul (Korea); Char, Kook Heon [Seoul National University, Seoul (Korea)

    2000-04-01

    A new SANS instrument will be installed in HANARO reactor near future and in parallel it is necessary to develop the sample environment facilities. One of the basic items is the equipment to control the sample temperature of cell block with auto-sample changer. It is required to develop a control software for this purpose. In addition, softwares of the aquisition and analysis for SANS instrument must be developed and supplied in order to function properly. PS/PI block copolymer research in NIST will provide the general understanding of SANS instrument and instrument-related valuable informations such as standard sample for SANS and know-hows of the instrument building. The following are the results of this research. a. Construction of sample cell block. b. Software to control the temperature and auto-sample changer. c. Acquisition of the SANS data analysis routine and its modification for HANARO SANS. d. PS/PI block copolymer research in NIST. e. Calibration data of NIST and HANARO SANS for comparison. 39 figs., 2 tabs. (Author)

  17. A U.S. developer's introduction to international independent power development

    International Nuclear Information System (INIS)

    Goodwin, L.M.

    1993-01-01

    Because US developers have had significant experience developing independent power projects in the US during the fifteen years since the Public Utility Regulatory Policies Act (''PURPA'') was passed, US developers have been some of the most aggressive participants in the early stages of international independent power development. However, US developers who attempt to transplant their US experience directly to foreign markets may be in for a rude awakening. Despite the similarities, there are significant differences between energy project development within the US and development in international markets. The purpose of this paper is to explore these differences, and to review some of the new considerations that experienced US developers will have to deal with in developing international projects

  18. Development of Power System for Medium Energy Accelerator

    International Nuclear Information System (INIS)

    Kwon, Hyeok Jung; Kim, Dae Il; Kim, Han Sung; Seol, Kyung Tae; Jang, Ji Ho; Cho, Yong Sub; Hong, In Seok; Kim, Kyung Ryul

    2008-05-01

    The main goal of the studies are to develop a power supply system used for 100MeV proton accelerator and to operate 20MeV accelerator which has been installed in KAERI site. The 100MeV proton accelerator uses RF cavity to accelerate beams and need RF amplifier, klystron. To operate the klystron, a high power pulse power supply is required and the power supply system should have high quality because the reliability of the power supply has critical impact on the overall reliability of accelerator system. Therefore, high power pulse power system and related technology development are inevitable for 100MeV accelerator system development. 20MeV accelerator system has been developed and installed in KAERI site, which will be used as an injector for 100MeV accelerator and supply 20MeV beam to users. A study on the 20MeV accelerator characteristics should be performed to operate the machine efficiently. In addition, this machine can be used as a test bench for developing the 100MeV accelerator components. Therefore, not only the hardware so called 'high voltage power supply', but the related technology of the high quality high voltage power system and man power can be obtained from the results of this studies. The test results of the 20MeV accelerator can be utilized as a basis for efficient operation of 100MeV accelerator and these are the ultimate objective and necessities of the study

  19. Nuclear power: status, outlook, guarantees of sustainable development

    International Nuclear Information System (INIS)

    Cherkasov, A.S.

    2004-01-01

    Full text: The principal advantages of nuclear power - almost unlimited fuel resources, its high energy capacity, ecological compatibility with a possibility of high wastes concentration - determine the large-scale nuclear power development. The signs of large-scale power - a large rate (dozens of percent) in electricity production, diverse areas (electricity, heat supply, technologies, transport) and media of application (land, ocean, space), extension of number of user countries, diversified power systems (centralized, autonomous), obligatory reproduction and reuse of produced fuel - create various requirements to nuclear power installations of the future. Economic efficiency and competitiveness, safety (of reactors and fuel cycle with waste), proper characteristics of nuclear fuel reproduction, guarantees of nuclear arm's non-proliferation and, particularly, public acceptance are the conditions of such nuclear power development. The up-to-date situation is the following: the 441 nuclear power-generation units with total installed power of 377.36 GW el. (in 31 countries) supply by 1/6 part of the world electric-power consumptions. The 32 units are in stage of the construction. To the present mid-century the level of the nuclear power production, as supposed, must be increased 4-5 times at the following scenario of a regional distribution of nuclear electric powers, GW: USA, Europe and developed countries of Eastern Asia - 1000, FSU-countries - 100 and developing countries - 400

  20. Status of nuclear power in developing countries

    International Nuclear Information System (INIS)

    Laue, H.J.

    1982-01-01

    In the context of the world-wide energy situation and the key position energy plays and will play for the economic and social development of any country, the energy demand situation up to the year 2000 is analysed. As a result, the world-wide energy demand will continue to increase, however, mainly in the developing world. Nuclear power is one of the important component in the energy mix of today and in the future. Status of nuclear power application in developing countries up to the end of the century. Any further growth of the peaceful use of nuclear power in developing countries is closely linked with the following requirements: - qualified manpower, - industrial infrastructure, - energy demand and supply assessments, - high investments, - assurance of supply of nuclear fuel and fuel cycle services, - availability of small and medium power reactors. The possible role of the IAEA in developing countries and international measures to remove some of the limitations for the peaceful use of nuclear energy in developing countries are discussed. (orig.)

  1. NASA developments in solid state power amplifiers

    Science.gov (United States)

    Leonard, Regis F.

    1990-01-01

    Over the last ten years, NASA has undertaken an extensive program aimed at development of solid state power amplifiers for space applications. Historically, the program may be divided into three phases. The first efforts were carried out in support of the advanced communications technology satellite (ACTS) program, which is developing an experimental version of a Ka-band commercial communications system. These first amplifiers attempted to use hybrid technology. The second phase was still targeted at ACTS frequencies, but concentrated on monolithic implementations, while the current, third phase, is a monolithic effort that focusses on frequencies appropriate for other NASA programs and stresses amplifier efficiency. The topics covered include: (1) 20 GHz hybrid amplifiers; (2) 20 GHz monolithic MESFET power amplifiers; (3) Texas Instruments' (TI) 20 GHz variable power amplifier; (4) TI 20 GHz high power amplifier; (5) high efficiency monolithic power amplifiers; (6) GHz high efficiency variable power amplifier; (7) TI 32 GHz monolithic power amplifier performance; (8) design goals for Hughes' 32 GHz variable power amplifier; and (9) performance goals for Hughes' pseudomorphic 60 GHz power amplifier.

  2. Developing National Capacity to Initiate Nuclear Power Programme

    International Nuclear Information System (INIS)

    Ndontchueng, M.M.

    2014-01-01

    Conclusion: ⇒ Nuclear power is needed for Developing Countries in the long term development strategy; ⇒ Developing Countries are lack of man power for both the NPP projects and the long term nuclear power program; ⇒ A long term HRD program (strategy) is needed to be established, in cooperation with Developed countries; ⇒ Education and training abroad is essential to the technology transfer; ⇒ Establishment of adequate infrastructure supporting HRD (nuclear engineering faculties, research groups, technical support centers) is indispensible for Developing Countries

  3. Necessity of nuclear power engineering development in Kazakstan

    International Nuclear Information System (INIS)

    Takibaev, Zh.S.; Cherepnin, Yu.S.

    1996-01-01

    Kazakstan is a great land country. Mining and delivery of great coal amount to power facilities will require to rise prices for electrical power. High expenditures for energy will lead to rising prime cost of every industry production unit produced in the country. If all power supply in the country is obtained from solid fuel, than geographical factor would be a heavy weight for it economy that would be not able to produce competition able. There is no doubt, that Kazakstan coal power supply will be prevailing electric power source for a long period of future. But it is urgently necessary consider and develop alternative conceptions for development of young country. There are a number of favourable reasons for atomic power engineering development

  4. Developing maximal neuromuscular power: Part 1--biological basis of maximal power production.

    Science.gov (United States)

    Cormie, Prue; McGuigan, Michael R; Newton, Robert U

    2011-01-01

    This series of reviews focuses on the most important neuromuscular function in many sport performances, the ability to generate maximal muscular power. Part 1 focuses on the factors that affect maximal power production, while part 2, which will follow in a forthcoming edition of Sports Medicine, explores the practical application of these findings by reviewing the scientific literature relevant to the development of training programmes that most effectively enhance maximal power production. The ability of the neuromuscular system to generate maximal power is affected by a range of interrelated factors. Maximal muscular power is defined and limited by the force-velocity relationship and affected by the length-tension relationship. The ability to generate maximal power is influenced by the type of muscle action involved and, in particular, the time available to develop force, storage and utilization of elastic energy, interactions of contractile and elastic elements, potentiation of contractile and elastic filaments as well as stretch reflexes. Furthermore, maximal power production is influenced by morphological factors including fibre type contribution to whole muscle area, muscle architectural features and tendon properties as well as neural factors including motor unit recruitment, firing frequency, synchronization and inter-muscular coordination. In addition, acute changes in the muscle environment (i.e. alterations resulting from fatigue, changes in hormone milieu and muscle temperature) impact the ability to generate maximal power. Resistance training has been shown to impact each of these neuromuscular factors in quite specific ways. Therefore, an understanding of the biological basis of maximal power production is essential for developing training programmes that effectively enhance maximal power production in the human.

  5. Development of wind power production in arctic climate

    Energy Technology Data Exchange (ETDEWEB)

    Peltola, E.; Kaas, J.; Aarnio, E. [Kemijoki Oy (Finland)

    1998-10-01

    The project Development of wind power production in arctic climate is a direct continuation of Arctic wind energy research project, which started in 1989. The main topics in 1996-97 have been production development and commercialising the blade heating systems, development of operation and maintenance practices of arctic wind power plants, preparations for new wind farms and various network connection and energy system studies. Practical operations have taken place in Pyhaetunturi test power plant and in Paljasselkae and Lammashovi power plants, which are in commercial operation

  6. High accuracy determination of trace elements in NIST standard reference materials by isotope dilution ICP-MS

    International Nuclear Information System (INIS)

    Paulsen, P.J.; Beary, E.S.

    1996-01-01

    At NIST (National Institute of Standards and Technology), ICP-MS ID (inductively coupled mass spectrometry isotope dilution) has been used to certify a wide range of elements in a variety of materials with high accuracy. Both the chemical preparation and instrumental procedures are simpler than with other ID mass spectrometric techniques. The ICP-MS has picogram/ml detection limits for most elements using fixed operating parameters. Chemical separations are required only to remove an interference (from molecular ions as well as isobaric atoms), or to pre-concentrate the analyte. For example, chemical separations were required for the analysis of SRM 2711, Montana II Soil, but not for boron in peach leaves, SRM 1547.(3 refs., 3 tabs., 2 figs

  7. Prospects of Nuclear Power for Developing Countries

    International Nuclear Information System (INIS)

    Mourogov, V. M.; Khan, A. M.; Rogner, H-H.; Kagramanian, V. S.

    1998-01-01

    The demand for electricity in developing countries of the world is expected to grow rapidly in the coming decades as these countries undergo the process of industrialization, accompanied by increased urbanization, and seek to improve the living standards of their growing population. The continued heavy reliance of the power sector on fossil fuels will result in an increased dependence of a number of the developing countries on energy imports, with consequentbalance of payment difficulties and implications in terms of reduced energy security, cause severe degradation of the local and regional environment, and will also lead to increasing emissions of greenhouse gases. Increasing the share of hydropower in most of the developing countries is constrained by the limited potential of hydro resources as well as environmental considerations. Other renewable energy technologies such as solar PV and wind power are not expected to play a significant role in the commercial supply of electricity in the foreseeable future in the most part of the developing world. Thus nuclear power as a non-fossil alternative with a proven and mature technology may be called upon to play an increasing role in the future supply of electricity to developing countries. The paper discusses the main factors that are likely to affect, both positively and negatively, the deployment of nuclear power in developing countries and presents the results of the recent IAEA projections on nuclear power capacity growth up to the 2020. The paper also briefly reviews the prospects of nuclear power in Central and Eastern European countries. (author)

  8. Primary standardization of C-14 by means of CIEMAT/NIST, TDCR and 4πβ-γ methods

    International Nuclear Information System (INIS)

    Kuznetsova, Maria

    2016-01-01

    In this work, the primary standardization of "1"4C solution, which emits beta particles of maximum energy 156 keV, was made by means of three different methods: CIEMAT/NIST and TDCR (Triple To Double Coincidence Ratio) methods in liquid scintillation systems and the tracing method, in the 4πβ-γ coincidence system. TRICARB LSC (Liquid Scintillator Counting) system, equipped with two photomultipliers tubes, was used for CIEMAT/NIST method, using a "3H standard that emits beta particles with maximum energy of 18.7 keV, as efficiency tracing. HIDEX 300SL LSC system, equipped with three photomultipliers tubes, was used for TDCR method. Samples of "1"4C and "3H, for the liquid scintillator system, were prepared using three commercial scintillation cocktails, UltimaGold, Optiphase Hisafe3 and InstaGel-Plus, in order to compare the performance in the measurements. All samples were prepared with 15 mL scintillators, in glass vials with low potassium concentration. Known aliquots of radioactive solution were dropped onto the cocktail scintillators. In order to obtain the quenching parameter curve, a nitro methane carrier solution and 1 mL of distilled water were used. For measurements in the 4πβ-γ system, "6"0Co was used as beta gamma emitter. SCS (software coincidence system) was applied and the beta efficiency was changed by using electronic discrimination. The behavior of the extrapolation curve was predicted with code ESQUEMA, using Monte Carlo technique. The "1"4C activity obtained by the three methods applied in this work was compared and the results showed to be in agreement, within the experimental uncertainty. (author)

  9. Developing nuclear power to realize low-carbon and economic sustainable development of China

    International Nuclear Information System (INIS)

    Zhang Xingfa

    2012-01-01

    Thermal power is the primary power energy of China, whose basic primary energy consumption is mostly burning coal. And thereby carbon dioxide emission reduction becomes much difficult in China. Seeking low-carbon discharge power energy is the necessary trend in China electric power development. Among the new energy, wind power, hydropower and solar energy have some distinctive shortcoming, which can not make up the energy growth demand with the rapid growth of the economy. Comparing to other kinds of electric energy, the nuclear power possesses the evident advantages, it will become the basis energy to carry out the goal of energy conservation and emission reduction in China and developing nuclear power can realize the sustainable development of China economy under low-carbon condition. (author)

  10. Repeatability of magnetic resonance fingerprinting T1 and T2 estimates assessed using the ISMRM/NIST MRI system phantom.

    Science.gov (United States)

    Jiang, Yun; Ma, Dan; Keenan, Kathryn E; Stupic, Karl F; Gulani, Vikas; Griswold, Mark A

    2017-10-01

    The purpose of this study was to evaluate accuracy and repeatability of T 1 and T 2 estimates of a MR fingerprinting (MRF) method using the ISMRM/NIST MRI system phantom. The ISMRM/NIST MRI system phantom contains multiple compartments with standardized T 1 , T 2 , and proton density values. Conventional inversion-recovery spin echo and spin echo methods were used to characterize the T 1 and T 2 values in the phantom. The phantom was scanned using the MRF-FISP method over 34 consecutive days. The mean T 1 and T 2 values were compared with the values from the spin echo methods. The repeatability was characterized as the coefficient of variation of the measurements over 34 days. T 1 and T 2 values from MRF-FISP over 34 days showed a strong linear correlation with the measurements from the spin echo methods (R 2  = 0.999 for T 1 ; R 2  = 0.996 for T 2 ). The MRF estimates over the wide ranges of T 1 and T 2 values have less than 5% variation, except for the shortest T 2 relaxation times where the method still maintains less than 8% variation. MRF measurements of T 1 and T 2 are highly repeatable over time and across wide ranges of T 1 and T 2 values. Magn Reson Med 78:1452-1457, 2017. © 2016 International Society for Magnetic Resonance in Medicine. © 2016 International Society for Magnetic Resonance in Medicine.

  11. The Atomic Spectroscopy Data Center at the National Institute of Standards and Technology (NIST). Activities 1999-2001

    International Nuclear Information System (INIS)

    Wiese, W.L.

    2001-01-01

    Dr. Wiese discussed activities and trends at the NIST Data Centers in the last two years. He reviewed priorities covered in data work and reviewed the bibliographic and numerical databases now on their website. The Atomic Spectra Database (ASD) is their main atomic physics web database and this is a reference data, e.g., the wavelength data is generally accurate to six significant figures and transition probability data is certain to with less than ±50%. Dr. Wiese also reported about recent work on the compilation and evaluation of data for wavelengths and energy levels of elements Cu, Kr and Mo (and several others), which are fusion relevant

  12. The Atomic Spectroscopy Data Center at the National Institute of Standards and Technology (NIST). Activities 1999-2001

    Energy Technology Data Exchange (ETDEWEB)

    Wiese, W L

    2001-12-01

    Dr. Wiese discussed activities and trends at the NIST Data Centers in the last two years. He reviewed priorities covered in data work and reviewed the bibliographic and numerical databases now on their website. The Atomic Spectra Database (ASD) is their main atomic physics web database and this is a reference data, e.g., the wavelength data is generally accurate to six significant figures and transition probability data is certain to with less than {+-}50%. Dr. Wiese also reported about recent work on the compilation and evaluation of data for wavelengths and energy levels of elements Cu, Kr and Mo (and several others), which are fusion relevant.

  13. Planning Mechanisms for Regional Electric Power Supply System Development

    Directory of Open Access Journals (Sweden)

    Evgeniy Anatolyevich Malyshev

    2015-12-01

    Full Text Available Key problems of the regional electric power supply systems are examined. These problems result from a lack of regulated interaction mechanisms for uniting the different entities’ resources aimed at the realization of investment activities. One of the main problems of the power supply industry is physical and moral aging of both generating and networking equipment. In the article, the necessity of management system formation to control the development of power sector has been proved. The deficiencies of the modern investment procedure in power companies are described. The absence of continuity between the regional and local strategic planning documents and investment planning of a power company has been found out. The possibility to develop a new mechanism for attracting investment has been proposed. The regulation of joint activities to implement the development program for the regional power supply industry has been proposed. The management system to develop the Russian power industry has been proposed. The comparative analysis of generating capacity development mechanisms has been carried out, such as capacity supply agreement (CSA, investment support mechanism (ISM, and long-term power market (LPM. The interaction procedure of the planning of the power supply infrastructure development has been described. The mechanism connecting the state sectoral and regional planning and corporate planning of power supply infrastructure development has been proposed. The regional aspects of industrial policy and its legislative support have been considered. To successfully implement the public-private-partnership (PPP projects, it is necessary to create the effective PPP model within the federal and regional legislation framework; to develop the financial model providing the recoverability of investments; to provide a mutually beneficial cooperation between executive bodies and private investors. The possibility to apply the PPP mechanism for regional

  14. Development of Czechoslovak nuclear power engineering

    International Nuclear Information System (INIS)

    Keher, J.

    1985-01-01

    The output of Czechoslovak nuclear power plants is envisaged at 2200 MW by 1985, 4400 MW by 1990 and 10,280 MW by the year 2000. The operation so far is assessed of Bohunice V-1 and Bohunice V-2 power plants as is the construction of the Dukovany nuclear power plant. International cooperation in the fulfilment of the nuclear power programme is based on the General Agreement on Cooperation in the Prospective Development and Interlinkage of CMEA Power Systems to the year 1990, the Agreement on Multilateral International Specialization and Cooperation of Production and on Mutual Deliveries of Nuclear Power Plant Equipment. The most important factor in international cooperation is the Programme of Cooperation between the CSSR and the USSR. The primary target in the coming period is the Temelin nuclear power plant project and the establishment of unified control of the nuclear power complex. (M.D.)

  15. Wind power development. Status and perspectives

    International Nuclear Information System (INIS)

    Morthorst, P.E.

    1998-09-01

    This is the final report on the status and long-term perspectives for the development of wind power, contributing to the Macro Task E1 on production cost for fusion and alternative technologies, part of the programme for Socio-Economic Research on Fusion. The report concentrates on the development of the production costs for wind power, limited to turbines connected to the public grid. The report shows status and perspectives for production costs for wind turbines until the year 2020-30. In general two trends have dominated the grid-connected wind turbine development until now: The average size of the turbines sold at the market place has increased substantially, while at the same time the efficiency of turbine electricity production has increased steadily. Together these trends have increased the cost-effectiveness of wind power by almost 45% over a time span of 9-10 years. Looking at perspectives, a substantial cut in wind power cost per kWh can be expected within the next 20-30 years. A survey performed for a number of long-term forecasts for the wind power technology in general shows a decrease in production costs of 2-2.5% p.a., which implies that the cost of wind-generated electricity would be halved by the year 2030, probably making it fully competitive to conventional fossil fuel based electricity production. (au)

  16. Safety and effective developing nuclear power to realize green and low-carbon development

    Directory of Open Access Journals (Sweden)

    Qi-Zhen Ye

    2016-03-01

    Full Text Available This paper analyzes the role of nuclear power of China's energy structure and industry system. Comparing with other renewable energy the nuclear power chain has very low greenhouse gas emission, so it will play more important role in China's low-carbon economy. The paper also discussed the necessity of nuclear power development to achieve emission reduction, energy structure adjustment, nuclear power safety, environmental protection, enhancement of nuclear power technology, nuclear waste treatment, and disposal, as well as nuclear power plant decommissioning. Based on the safety record and situation of the existing power plants in China, the current status of the development of world nuclear power technology, and the features of the independently designed advanced power plants in China, this paper aims to demonstrate the safety of nuclear power. A nuclear power plant will not cause harm either to the environment and nor to the public according to the real data of radioactivity release, which are obtained from an operational nuclear plant. The development of nuclear power technology can enhance the safety of nuclear power. Further, this paper discusses issues related to the nuclear fuel cycle, the treatment, and disposal strategies of nuclear waste, and the decommissioning of a nuclear power plant, all of which are issues of public concern.

  17. Superconductivity Technology Program for electric power systems: Proceedings

    Energy Technology Data Exchange (ETDEWEB)

    Marriott, K.B.

    1993-09-01

    Twenty-seven presentations are included in viewgraph form for the wire development panel, applications development panel, and thallium workshop. Authors and affiliations are: (wire development panel) Kreoger/Christen (ORNL), Malozemoff (American Superconductor Corp.), Blaugher (National Renewable Energy Lab.), Haldar (Intermagnetics), Gray/Lanagan/Eror (ANL), Bickel/Voigt/Roth (Sandia), Tkaczyk (GE), Suenaga (BNL), Willis/Korzekwa/Maley (Los Alamos); (applications development panel) Peterson/Stewart (Los Alamos), Iwasa (BNL), Hull/Nieman (ANL), Murphy/DeGregoria (ORNL), Hazelton (Intermagnetics), Dykhuizen (Sandia); (thallium workshop) Goodrich (NIST), Blaugher (NREL), Roth (Sandia), Holstein (DuPont), Paranthaman (ORNL), and Willis (Los Alamos).

  18. Development of high-power dye laser chain

    Science.gov (United States)

    Konagai, Chikara; Kimura, Hironobu; Fukasawa, Teruichiro; Seki, Eiji; Abe, Motohisa; Mori, Hideo

    2000-01-01

    Copper vapor laser (CVL) pumped dye laser (DL) system, both in a master oscillator power amplifier (MOPA) configuration, has been developed for Atomic Vapor Isotope Separation program in Japan. Dye laser output power of about 500 W has been proved in long-term operations over 200 hours. High power fiber optic delivery system is utilized in order to efficiently transport kilowatt level CVL beams to the DL MOPA. Single model CVL pumped DL oscillator has been developed and worked for 200 hours within +/- 0.1 pm wavelength stability. Phase modulator for spreading spectrum to the linewidth of hyperfine structure has been developed and demonstrated.

  19. Safety policy for nuclear power development

    International Nuclear Information System (INIS)

    Uchida, Hideo

    1987-01-01

    The report discusses various aspects of the safety policy for nuclear power development in Japan. Nuclear power development over three decades in Japan has led to operating performance which is highly safe and reliable. This has been appreciated internationally. Discussed here is the Japanese basic safety policy for nuclear power development that is essential first to design, manufacture and construction using high technology. The current careful quality assurance and reliable operation management by skilled operators are relied upon, on the basis of the fact that measures to prevent abnormal events are given first priority rather than those to mitigate consequences of abnormal events or accidents. Lessons learned from accidents and failures within or outside Japan such as the TMI accident and Chernobyl accident have been reflected in the improvement of safety through careful and thorough examinations of them. For further improvement in nuclear safety, deliberate studies and investigations on severe accidents and probabilistic safety assessment are considered to be important. Such efforts are currently being promoted. For this purpose, it is important to advance international cooperation and continue technical exchanges, based on operation experience in nuclear power stations in Japan. (Nogami, K.)

  20. Nuclear power for under-developed areas

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1959-07-15

    In evaluating the needs of the less developed countries for nuclear power and in determining how and to what extent these needs can be met, the fundamental questions to be decided are: (a) to what extent can the total power needs of these countries be met by conventional (thermal and hydro) means, (b) in which sectors would it be immediately possible - from both technical and economic points of view - to generate power from nuclear energy, and (c) in which areas would it be imperative to resort to nuclear power in the immediate future. The IAEA Second General Conference recommended a survey of the nuclear power needs of the less developed countries, a study on a continuing basis of the technology and economics of small and medium power reactors suited to these countries, dissemination of the information obtained and assistance in training personnel in the technology and economic utilization of such nuclear stations. And on the basis of this recommendation, the Agency has initiated an integrated two-year programme of work for examining the possibilities of utilizing nuclear power in under-developed countries. In carrying out this programme, the Agency is seeking potentially promising cases in which nuclear energy can yield necessarily limited but early benefits. That would help an assessment of the technical and economic possibilities of small and medium reactors in specific situations. It would also enable under-developed countries to compare and ascertain whether nuclear energy can provide an early solution to some of their pressing power problems. The first three phases of IAEA's work programme are: (i) studies on the technical suitability of reactors with a power level of up to 50 mw; (ii) economic studies in regard to reactor systems, including a systematic analysis of power costs; and (iii) selection of characteristic situations that appear to favour utilization of nuclear power. A survey of special interest in this connexion will be carried out by an Agency

  1. Nuclear power for under-developed areas

    International Nuclear Information System (INIS)

    1959-01-01

    In evaluating the needs of the less developed countries for nuclear power and in determining how and to what extent these needs can be met, the fundamental questions to be decided are: (a) to what extent can the total power needs of these countries be met by conventional (thermal and hydro) means, (b) in which sectors would it be immediately possible - from both technical and economic points of view - to generate power from nuclear energy, and (c) in which areas would it be imperative to resort to nuclear power in the immediate future. The IAEA Second General Conference recommended a survey of the nuclear power needs of the less developed countries, a study on a continuing basis of the technology and economics of small and medium power reactors suited to these countries, dissemination of the information obtained and assistance in training personnel in the technology and economic utilization of such nuclear stations. And on the basis of this recommendation, the Agency has initiated an integrated two-year programme of work for examining the possibilities of utilizing nuclear power in under-developed countries. In carrying out this programme, the Agency is seeking potentially promising cases in which nuclear energy can yield necessarily limited but early benefits. That would help an assessment of the technical and economic possibilities of small and medium reactors in specific situations. It would also enable under-developed countries to compare and ascertain whether nuclear energy can provide an early solution to some of their pressing power problems. The first three phases of IAEA's work programme are: (i) studies on the technical suitability of reactors with a power level of up to 50 mw; (ii) economic studies in regard to reactor systems, including a systematic analysis of power costs; and (iii) selection of characteristic situations that appear to favour utilization of nuclear power. A survey of special interest in this connexion will be carried out by an Agency

  2. Wind power for the world international reviews and developments

    CERN Document Server

    Maegaard, Preben; Palz, Wolfgang

    2013-01-01

    Introduction, Preben MaegaardAccelerated Global Expansion of the Renewable Energy Sector: the Example of Wind Energy, Preben MaegaardWind Power Development in the European Union, Wolfgang PalzWind Energy to the rescue of mankind from the menace of the Fossil Fuel burning hazards, Anil KaneBlack or Green Wind Power, Frede HvelplundWind Energy Development in China, He DexinNon-grid-connected Wind Power and Offshore "Three Georges of Wind Power" in China, Gu WeidongWind Power in Japan: Past, Present, and Future Prospect, Izumi UshiyamaWind Power Development in India, Jami HossainChallenges and Opportunities for Energy Paradigm Shifting in Ontario, Canada, Jose EtcheverryWind Power in Cuba's Energy Revolution, Conrado Moreno FigueredoWind Power in Argentina, Erico SpinadelThe Emergence of Wind Power in Brazil, Everaldo FeitosaWind Energy in Chile, Arturo KunstmannWind Power in Austria, Wolfgang HeinThe History of Wind Power in France, Jean-Louis BalHistory, State-of-the Art and Future of Wind Energy in France, Ma...

  3. Problems of nuclear power development

    International Nuclear Information System (INIS)

    Panasenkov, A.

    1982-01-01

    The answers are reported given by the head of the department for peaceful uses of nuclear energy of the secretariat of the Council of Mutual Economic Assistance, Mr. A. Pasenkov to questions given him in an interview for APN. The questions were related to the current state and development of world nuclear power, nuclear safety and the attitude of the general public to nuclear power in the West and in the CMEA countries. (B.S.)

  4. Power transmission cable development for the Space Station Freedom electrical power system

    Science.gov (United States)

    Schmitz, Gregory V.; Biess, John J.

    1989-01-01

    Power transmission cable is presently being evaluated under a NASA Lewis Research Center advanced development contract for application in the Space Station Freedom (SSF) electrical power system (EPS). Evaluation testing has been performed by TRW and NASA Lewis Research Center. The results of this development contract are presented. The primary cable design goals are to provide (1) a low characteristic inductance to minimize line voltage drop at 20 kHz, (2) electromagnetic compatibility control of the 20-kHz ac power current, (3) a physical configuration that minimizes ac resistance and (4) release of trapped air for corona-free operation.

  5. Sub-Saharan hydroelectric power development potential

    International Nuclear Information System (INIS)

    Lazenby, J.B.C.

    1991-01-01

    Though evidencing a power demand which is amongst the lowest in the world, the sub-Saharan regions of Africa are blessed with an enormous hydroelectric power resource potential, which, if suitably developed and tapped, may become a source of economic electric energy for Europe. With the aid of numerous statistical supply and demand data, this paper surveys the marketing potential of this energy source in Africa. The analysis of future development prospects is carried out with reference to the local socio-economic framework

  6. Development of high power klystron. 3. Development of klystron No.2

    International Nuclear Information System (INIS)

    Hirano, K.; Wang, Y.L.; Sato, I.

    2000-08-01

    A high power klystron has been developed as the RF source of the high power CW electron linac (10 MeV, 100 mA, 1.249135 GHz). CW power of 1.2 MW and efficiencies over 65% at a beam voltage 85 kV were the design goal. We developed a long pill-box type beryllia window (long pill-box window) withstood the RF power of 1.7 MW (CW) and replaced the standard pill-box window of the prototype klystron with long pill-box window. The high power RF test was carried out with the converted klystron. This klystron has achieved CW RF power of 885 kW and efficiency of 47% at beam voltage of 85 kV. This paper describes key points of the designs to achieve the RF power over 1.2 MW and results of the high power RF test of the second klystron, which has been optimized by simulation codes to improve better efficiency. The second klystron has achieved the maximum efficiency of 56.5% with CW output power of 782 kW at a beam voltage of 80 kV and a cathode current of 20.4 A in present. The third klystron will be manufactured to reflect results of this test. (author)

  7. Financing modes and methods for nuclear power development in developing countries

    International Nuclear Information System (INIS)

    Su Qun

    1999-02-01

    In financing for nuclear power project in developing countries, governmental support is significant in reducing the risk of the project and improving the financing environment. Issues studied and discussed include financing conditions and methods, export credit and supply. An appropriate solution of the financing problem will play an important role in developing nuclear power

  8. Policy instruments for development of wind power in Sweden

    International Nuclear Information System (INIS)

    Aastrand, Kerstin; Neij, Lena

    2003-01-01

    It is often believed that energy policy and policy instruments can play a significant role in the transition towards sustainable energy by stimulating and accelerating the development and deployment of new energy technologies. However, despite the known need for, and benefits of, new energy technologies their market introduction and expansion is often slow. Wind power has been on the political agenda since the 1970s in several European countries as well as in other countries throughout the world. However, the technology and market development of wind power has been very different in these countries. Despite three decades of policy intervention the installed capacity in Sweden was only 265 MW in 2000, compared with 6,107 MW in Germany, 2,836 MW in Spain and 2,341 MW in Denmark. This report analyses the effects of policy instruments on wind power development in Sweden and identifies possible reasons why wind power has not been installed to a greater extent. The analysis is based on an empirical example of a socio technological system-based approach to evaluation of technology and market development for new energy technologies; i.e. an approach focused on the technological system including the actors, institutions and organizations that build, drive and utilise it and the economic and legal framework that regulates it. The aim is to assess the impact on technology and market development and to discuss the relatively late and slow wind power development in Sweden. The report also examines the achievement of governmental energy policy goals. Using the socio-technological systems approach we analyse Swedish policy programmes and wind power development between 1975 and 2000. The political and economic framework is identified. The discussion of the political and economic frameworks is limited to public policy goals and policy instruments. The policy focus is set to policy instruments aimed for technology and market development of wind power, such as research and

  9. Development of Danish Wind Power Market

    DEFF Research Database (Denmark)

    Meyer, Niels I

    2007-01-01

    The modern phase of Danish wind power started after the oil crisis in 1973. During the eighties technological development resulted in increased cost efficiency. In the early nineties favourable feed-in tariffs were introduced together with easy access to the grid. As a result wind power was booming...

  10. Developing Infrastructure for New Nuclear Power Programmes

    International Nuclear Information System (INIS)

    2011-09-01

    Many countries are interested in introducing or expanding nuclear energy programmes because they regard nuclear power as a clean and stable source of electricity that can help to mitigate the impact of climate change. However, the March 2011 accident at the Fukushima Daiichi nuclear power plant in Japan - caused by an earthquake and tsunami of unprecedented proportions - demonstrated that there is a constant need to improve global nuclear safety, despite the great progress made in the previous 25 years. A 'safety first' approach needs to become fully entrenched among nuclear power plant operators, governments and regulators everywhere. Safety first must also be the watchword for Member States considering the introduction of nuclear power. I believe that all IAEA Member States should have access to nuclear power if they wish to add it their energy mix. While it is up to each country to decide whether or not to opt for nuclear power, the IAEA has a key role to play in ensuring that the development of nuclear power programmes takes place in a safe, efficient, responsible and sustainable manner. The IAEA has developed guidelines and milestones to help countries work in a systematic way towards the introduction of nuclear power. Use of the 'Milestones' approach can increase transparency both within a country introducing nuclear power, and between it and other States. This brochure summarizes the services which the IAEA offers to Member States considering introducing nuclear power. These include advice on proper planning, building the required human resources and infrastructure, establishing legal and regulatory frameworks, and ensuring the highest standards of safety and security, without increasing proliferation risks. The IAEA offers independent know-how on the construction, commissioning, startup and operation of nuclear reactors. Through the Technical Cooperation programme, we provide targeted support to 'newcomer' countries in response to national development needs

  11. Development on power distribution technologies of four electric power companies in Japan. The Tokyo Electric Power Co. , Inc

    Energy Technology Data Exchange (ETDEWEB)

    1989-07-01

    Electric power companies have been needed to cope with various needs in accordance with the progress of highly information-oriented society, the improvement of industrial technology, and the advancement and diversification of the living environment. In such situation, the power distribution section of Tokyo Electric Power has promoted technical development, setting up following priority items to put into operation: to reduce power failure caused by works and accidents, to improve reliability in supply, to reduce costs of construction and all over business management, to serve customers to answer various needs, to develop new technology and new methods based on the medium- and long-term prospect, and so forth. Several examples of recent technical development are introduced here. They are as follows; compact equipment and materials for electric poles to match the circumstances of cities and to simplify the construction method for power distribution, a 750kVA large high-voltage power-generation truck to make provision against an emergency such as a disaster by a typhoon, a compact transformer used on the ground, a high-voltage automatic cabinet, and a detector to find the failure of indoor power distribution works in resistances in a short time. 8 figs.

  12. Optical Passive Sensor Calibration for Satellite Remote Sensing and the Legacy of NOAA and NIST Cooperation.

    Science.gov (United States)

    Datla, Raju; Weinreb, Michael; Rice, Joseph; Johnson, B Carol; Shirley, Eric; Cao, Changyong

    2014-01-01

    This paper traces the cooperative efforts of scientists at the National Oceanic and Atmospheric Administration (NOAA) and the National Institute of Standards and Technology (NIST) to improve the calibration of operational satellite sensors for remote sensing of the Earth's land, atmosphere and oceans. It gives a chronological perspective of the NOAA satellite program and the interactions between the two agencies' scientists to address pre-launch calibration and issues of sensor performance on orbit. The drive to improve accuracy of measurements has had a new impetus in recent years because of the need for improved weather prediction and climate monitoring. The highlights of this cooperation and strategies to achieve SI-traceability and improve accuracy for optical satellite sensor data are summarized.

  13. Development and application of nuclear power operation database

    International Nuclear Information System (INIS)

    Shao Juying; Fang Zhaoxia

    1996-01-01

    The article describes the development of the Nuclear Power Operation Database which include Domestic and Overseas Nuclear Event Scale Database, Overseas Nuclear Power Operation Abnormal Event Database, Overseas Nuclear Power Operation General Reliability Database and Qinshan Nuclear Power Operation Abnormal Event Database. The development includes data collection and analysis, database construction and code design, database management system selection. The application of the database to provide support to the safety analysis of the NPPs which have been in commercial operation is also introduced

  14. Advanced Radioisotope Power Conversion Technology Research and Development

    Science.gov (United States)

    Wong, Wayne A.

    2004-01-01

    NASA's Radioisotope Power Conversion Technology program is developing next generation power conversion technologies that will enable future missions that have requirements that cannot be met by either the ubiquitous photovoltaic systems or by current Radioisotope Power System (RPS) technology. Performance goals of advanced radioisotope power systems include improvement over the state-of-practice General Purpose Heat Source/Radioisotope Thermoelectric Generator by providing significantly higher efficiency to reduce the number of radioisotope fuel modules, and increase specific power (watts/kilogram). Other Advanced RPS goals include safety, long-life, reliability, scalability, multi-mission capability, resistance to radiation, and minimal interference with the scientific payload. NASA has awarded ten contracts in the technology areas of Brayton, Stirling, Thermoelectric, and Thermophotovoltaic power conversion including five development contracts that deal with more mature technologies and five research contracts. The Advanced RPS Systems Assessment Team includes members from NASA GRC, JPL, DOE and Orbital Sciences whose function is to review the technologies being developed under the ten Radioisotope Power Conversion Technology contracts and assess their relevance to NASA's future missions. Presented is an overview of the ten radioisotope power conversion technology contracts and NASA's Advanced RPS Systems Assessment Team.

  15. Development of methods to examine the effects of atmospheric particulate matter (PM) on human peripheral blood leukocytes

    Science.gov (United States)

    Zussman, Lisa Ann

    In vitro methods to study the effect of atmospheric particulate matter (PM) on leukocyte function using human peripheral blood were developed. These methods were demonstrated using the blood of 1-5 individuals and National Institute of Standards and Technology (NIST) urban PM #1648, diesel PM #1650, silica PM, and a locally collected PM sample (New Jersey PM10). For the blood samples analyzed in this study NIST urban PM and New Jersey PM10 treatment mediated the release of granule contents from peripheral blood leukocytes and induced structural changes associated with degranulation. Flow cytometry revealed PM-induced changes in phagocytosis and cell structure associated with degranulation. Transmission electron microscopy confirmed NIST urban PM-induced cell structure changes were associated with PM internalization. Colorametric and electrophoretic methods showed no PM-induced release of primary granules and a slight PM-induced release of secondary granules associated with only NIST urban PM. Enzyme Immunosorbent Assays detected increased histamine release from basophils treated with NIST urban PM, a locally collected PM, and the soluble and insoluble components of these particles. NIST urban PM was found to be a potent inducer of histamine release in 4 out of 6 individuals tested. Fractionation studies revealed that soluble (aqueous) and insoluble fractions of NIST urban PM contain histamine-releasing activity. This was also demonstrated for the New Jersey PM10 sample for which the soluble fraction exhibited the most activity. Complementary studies with inhibitors of IgE-mediated histamine release conducted on one test subject suggest that PM-induced histamine release was partially mediated by IgE. A new hypothesis has been formed, suggesting that particle toxicity is related to PM-induced histamine release. Due to the bioactive nature of histamine and its association with many cardiopulmonary responses, the PM- mediated release of histamine should be investigated

  16. Revision of the second basic plans of power reactor development in Power Reactor and Nuclear Fuel Development Corporation

    International Nuclear Information System (INIS)

    1978-01-01

    Revision of the second basic plans concerning power reactor development in PNC (Power Reactor and Nuclear Fuel Development Corporation) is presented. (1) Fast breeder reactors: As for the experimental fast breeder reactor, after reaching the criticality, the power is raised to 50 MW thermal output within fiscal 1978. The prototype fast breeder reactor is intended for the electric output of 200 MW -- 300 MW, using mixed plutonium/uranium oxide fuel. Along the above lines, research and development will be carried out on reactor physics, sodium technology, machinery and parts, nuclear fuel, etc. (2) Advanced thermal reactor: The prototype advanced thermal reactor, with initial fuel primarily of slightly enriched uranium and heavy water moderation and boiling water cooling, of 165 MW electric output, is brought to its normal operation by the end of fiscal 1978. Along the above lines, research and development will be carried out on reactor physics, machinery and parts, nuclear fuel, etc. (Mori, K

  17. Radioisotope Power Systems Technology Development

    Data.gov (United States)

    National Aeronautics and Space Administration — The goal of the RPS's technology portfolio is to advance performance of radioisotope power systems through new and novel innovations being developed and transitioned...

  18. Financing arrangements for nuclear power projects in developing countries

    International Nuclear Information System (INIS)

    1993-01-01

    This reference book reviews the main features and problems or difficulties involved in the financing of nuclear power projects with special reference to developing countries. It provides basic information and advice to developing countries interested in nuclear power projects as part of their power sector planning. The book outlines the general characteristics of financing a nuclear power project and presents innovative approaches for power generation financing. It discusses the special conditions and requirements of nuclear power projects and their financing complexities. The focus is on the practical issues that need to be dealt with in order to successfully finance these power projects, as well as the constraints faced by most developing countries. Possible ways and means of dealing with these constraints are presented. 58 refs, figs and tabs

  19. Green power programs in Canada : 2002 : Overview of Government green power policies, utility green power development programs, green power and certificate marketing initiatives, and their benefits

    International Nuclear Information System (INIS)

    Bramley, M.; Boustie, S.; Vadgama, J.; Wieler, C.; Pape-Salmon, A.; Holmes, R.

    2003-11-01

    Green power is generally defined as electricity produced from renewable sources, and whose production has low adverse impacts on the environment, human health and communities. Green power has near-zero greenhouse gas (GHG) emissions and includes sources such as wind, hydro, and solar power. Green power offers several environmental benefits, as well as the enhancement of energy security, regional development, economic diversification and the creation of skilled jobs. There are four categories of programs related to green power development in Canada: government green power policies, utility green power development programs, green power marketing initiatives, and green power certificate marketing initiatives. Most of the activities associated with these four categories in 2002 were discussed in this report. However, difficulties with quantification prevented the inclusion of some green power activities in the report, such as (1) the generation of green power not certified or identified by the generator as green power, (2) industry or residential self-generation, (3) net metering, and (4) small government programs. Each category was presented in detail. The information included in the report was based on surveys sent to each program proponent. Follow-up communications and other publicly available information was also included. New programs operating in 2003 or currently under development were listed. refs., 8 tabs

  20. IUPAC-NIST Solubility Data Series. 95. Alkaline Earth Carbonates in Aqueous Systems. Part 2. Ca

    Science.gov (United States)

    Vanderdeelen, Jan

    2012-06-01

    The alkaline earth carbonates are an important class of minerals. This article is part of a volume in the IUPAC-NIST Solubility Data Series that compiles and critically evaluates solubility data of the alkaline earth carbonates in water and in simple aqueous electrolyte solutions. Part 1 outlined the procedure adopted in this volume, and presented the beryllium and magnesium carbonates. Part 2, the current paper, compiles and critically evaluates the solubility data of calcium carbonate. The chemical forms included are the anhydrous CaCO3 types calcite, aragonite, and vaterite, the monohydrate monohydrocalcite (CaCO3. H2O), the hexahydrate ikaite (CaCO3.6H2O), and an amorphous form. The data were analyzed with two model variants, and thermodynamic data of each form consistent with each of the models and with the CODATA key values for thermodynamics are presented.

  1. Nuclear power - Sustainable development - Professional skill

    International Nuclear Information System (INIS)

    Comsa, Olivia; Paraschiva, M.V.; Banutoiu, Maria

    2002-01-01

    Sustainable development of society implies taking political decisions integrating harmoniously ingredients like these: - technological maturity; - socio-economic efficiency; - rational and equitable use of natural resources; - compliance with requirements concerning the environment and population; - professional ethics; - communications with the public and media; - professional skill; - public opinion acceptance. A rational analysis of these factors shows clearly that nuclear power appears to be an optimal ground for a sustainable power source besides the hydro and thermo-electric systems. Such a conclusion was confirmed by all types of analyses, methodologies or programs like for instance: MAED, WASP, FINPLAN, DECADES, ENPEP and more recently MESSAGE. The paper describes applications of these analytical methodologies for two scenarios of Cernavoda NPP future development. To find the optimal development strategy for the electric system, implying minimal costs the optimization analysis mode of the ELECSAM analysis module was used. The following conclusions were reached: - the majority of Romania's classical electrical stations are old; consequently, part of them should be decommissioned while others will be refurbished. Instead of installing new power groups these options will result in lowering the investment cost, as well as, in reduction of noxious gas emission; - the nuclear power system developed in Romania upon the CANDU technology appears to be one of the most performing and safe technology in the world. Cernavoda NPP Unit 1 commissioned on December 2, 1996 covers about 10% to 12% of the energy demand of the country. The CANDU systems offers simultaneously secure energy supply, safe operation, low energy costs and practically a zero impact upon the environment. The case study for Romania by means of DECADES project showed that the development program with minimal cost for electrical stations implies construction of new 706.5 MW nuclear units and new 660 MW

  2. The Role of Nuclear Power for Sustainable Development: Assessment of Nuclear Power's Contribution to National Economic Development

    International Nuclear Information System (INIS)

    Min, B. J.; Lee, M. K.; Ahn, S. K.

    2008-04-01

    The study begins with a short review of nuclear power development in Korea within the overall reference energy system. It then explores changing circumstances, present energy balances and ultimately the needs underpinning future electricity requirements. The major part of the study uses a model-based approach to analyze and quantify economic linkages between nuclear technologies and other economic sectors, and to assess various techno-economic futures that include nuclear generation for the Korean power sector, exploring for each future scenario the optimal electricity supply mix. The results of the analysis represents that the nuclear industry in the Republic of Korea has already made strong contributions to the growth of the country. It has been an integral part of the country's economic development, evolving from an import- to an export-oriented industry, providing spin-offs to Korean technological innovation as well as to socio-economic development such as infrastructure and education. Furthermore, the study provides some meaningful suggestions and recommendations in order to make sound decisions for sustainable energy policy and strategies, in particular for achieving a balance in nuclear power development and socio-economic development consistent with sustainable energy development goals. In general, these reflect the increasing national (public and private) participation in the nuclear industry. Specifically, the study identifies the nuclear relevant strategies in four dimensions: innovative nuclear technology development, nuclear human resource development and management (HRD and M), investment and financing of the nuclear technology and enhancement of institutional framework

  3. Business Case Analysis of the Marine Corps Base Pendleton Virtual Smart Grid

    Science.gov (United States)

    2017-06-01

    is searching for answers in energy-efficient technology . This study discusses the benefits of using power-modeling software to manage Advanced ...under NIST. 7 Figure 3. A History of NIST and the Smart Grid. Source: NIST (2014). The extension of smart grid technology to include...NAVAL POSTGRADUATE SCHOOL MONTEREY, CALIFORNIA THESIS Approved for public release. Distribution is unlimited. BUSINESS CASE

  4. Advantages and disadvantages of developing nuclear power

    International Nuclear Information System (INIS)

    Wang Zhixin

    1987-01-01

    To solve the problem of the shortage of electricity in China, an objective assessment of the advantages and disadvantages of generating electricity from different energy sources is necessary. Nuclear power is evaluated against hydro-, oil-, gas- and coal-power. It is proposed to develop nuclear power in a planned way as a sensible long term strategy

  5. Glycan characterization of the NIST RM monoclonal antibody using a total analytical solution: From sample preparation to data analysis.

    Science.gov (United States)

    Hilliard, Mark; Alley, William R; McManus, Ciara A; Yu, Ying Qing; Hallinan, Sinead; Gebler, John; Rudd, Pauline M

    Glycosylation is an important attribute of biopharmaceutical products to monitor from development through production. However, glycosylation analysis has traditionally been a time-consuming process with long sample preparation protocols and manual interpretation of the data. To address the challenges associated with glycan analysis, we developed a streamlined analytical solution that covers the entire process from sample preparation to data analysis. In this communication, we describe the complete analytical solution that begins with a simplified and fast N-linked glycan sample preparation protocol that can be completed in less than 1 hr. The sample preparation includes labelling with RapiFluor-MS tag to improve both fluorescence (FLR) and mass spectral (MS) sensitivities. Following HILIC-UPLC/FLR/MS analyses, the data are processed and a library search based on glucose units has been included to expedite the task of structural assignment. We then applied this total analytical solution to characterize the glycosylation of the NIST Reference Material mAb 8761. For this glycoprotein, we confidently identified 35 N-linked glycans and all three major classes, high mannose, complex, and hybrid, were present. The majority of the glycans were neutral and fucosylated; glycans featuring N-glycolylneuraminic acid and those with two galactoses connected via an α1,3-linkage were also identified.

  6. Progress on development of nuclear power in Japan

    International Nuclear Information System (INIS)

    Anon.

    2000-01-01

    Since three Laws on the nuclear power were published 45 years has passed. Now, development on nuclear power in Japan is at an emergent state. In Japan, 51 units of commercial nuclear reactors with 44.917 GW are in operation, occupy about 37% of total electric power generation, and is positioned at an essential basic energy source supporting economical society in Japan. However, an accident occurred at Tokai Works of the JCO Co., Ltd., one of the uranium reconversion company, on September 30, 1999, was the first critical accident in Japan, and became the worst case in history on development of nuclear power in Japan, because of forming three heavy radiation disabled persons (One of them was dead) in its operators. This was a big crisis with relation to existence on development of nuclear power in Japan, by which anxiety and distrust of the Japanese against the nuclear power were amplified rapidly. On the other side, for Japan short in energy sources and of a big energy consumption, in order to intend for a long term to carry out energy security, global environmental conservation, and sustainable maintenance of essential growth, it remains to be one of important optional methods to further promote nuclear power generation and to establish nuclear fuel cycle. Here were described on progress on peaceful applications of nuclear power in Japan, progress on the field of nuclear power in Japan (from 1955 to 1999), progress on Tokai nuclear power station, introduction of nuclear power generation and effort on its domestic production. (G.K.)

  7. The development and prospects of nuclear power in Bulgaria

    International Nuclear Information System (INIS)

    Tadzher, O.

    1983-01-01

    Electric power has a vital role to play at the present stage of development of technology and production. Technical progress, and indeed the practical utilization of the achievements wrought by the scientific and technical revolution in all areas of the national economy, depend on the degree of development of electric power. The most characteristic, and a qualitatively new, factor in Bulgaria's power production is the accelerated development of nuclear power, which favours a great concentration of capacity and allows improvements in the technical and economic performance of power systems. In 1974 the first reactor of the Kozloduj nuclear power station went into operation, making Bulgaria one of the first 20 countries to have nuclear power. Today Kozloduj annually generates more than 9000 million kW.h of electricity, representing almost 28% of Bulgaria's total electric power. At the beginning of 1982 a fourth reactor is to be commissioned at Kozloduj, raising the power station's total capacity to 1760 MW. In 1981 the Kozloduj station produced 9075 million kW.h of electric power, thus performing above the design figure. This power station is one of the most reliable and stable sources pf power in Bulgaria's system. The average annual utilization of installed capacity is about 7000 h, giving Kozloduj in this respect a higher rating than that achieved at a number of other nuclear power plants elsewhere in the world. Nuclear power development in Bulgaria is closely associated with the concentration of capacity, a characteristic feature of technical progress in the field of power production. By 1987 the installed capacity will rise to 3760 MW at Kozloduj, where a fifth unit using a WWER-1000 reactor is under construction. The trend toward capacity concentration will continue in the future, and a second nuclear power station with an installed capacity of 4000 MW is being planned. (author)

  8. Economic prerequisites for the development of nuclear power

    International Nuclear Information System (INIS)

    Chernilin, Y.F.

    1995-01-01

    The development of nuclear power, as no other field of human endeavor, has revealed the need for predicting the consequences of nuclear power not only in the production of energy itself, but also in the ecology, economics, and even politics. On the one hand, the future of nuclear power is determined by a society's attitude toward nuclear power and depends on economic possibilities. On the other hand, the future society and the economic situation that will develop in the world will largely depend on the amount of energy accessible to mankind and the method used to obtain it, and therefore also the relative contribution of atomic energy to the total balance of energy production. In declaring its attitude toward nuclear power, society is now determining to a definite extent not only the future of nuclear power but also nuclear power itself. This article is an abstract of the entire report

  9. Development of the on-site power supply in German nuclear power plants

    Energy Technology Data Exchange (ETDEWEB)

    Simon, M. [Gesellschaft fuer Reaktorsicherheit - GRS mbH, Schwertnergasse 1, D-5000 Koeln 1, Cologne (Germany)

    1986-02-15

    The design of the on-site power supply is different in German Nuclear Power Plants, depending on age and size of the plant. The cause for this is the evolution of the safety requirements. The general development of the design of safety Systems, which resulted in a strict separation of redundant trains is also reflected in the design of the emergency power system and even the complete on-site power supply System. This will be demonstrated by different examples. The advantages of this design with respect to the availability of on-site power will be explained and verified by means of operating experience. (author)

  10. Infrastructure development assistance modeling for nuclear power plant

    International Nuclear Information System (INIS)

    Park, J. H.; Hwang, K.; Park, K. M.; Kim, S. W.; Lee, S. M.

    2012-01-01

    The purpose of this paper is to develop a model, a general frame to be utilized in assisting newcomer countries to start a nuclear power program. A nuclear power plant project involves technical complexity and high level of investment with long duration. Considering newcomers are mostly developing countries that lack the national infrastructure, key infrastructure issues may constitute the principal constraints to the development of a nuclear power program. In this regard, it is important to provide guidance and support to set up an appropriate infrastructure when we help them with the first launch of nuclear power plant project. To date, as a sole nuclear power generation company, KHNP has been invited many times to mentor or assist newcomer countries for their successful start of a nuclear power program since Republic of Korea is an exemplary case of a developing country which began nuclear power program from scratch and became a major world nuclear energy country in a short period of time. Through hosting events organized to aid newcomer countries' initiation of nuclear power projects, difficulties have been recognized. Each event had different contents according to circumstances because they were held as an unstructured and one-off thing. By developing a general model, we can give more adequate and effective aid in an efficient way. In this paper, we created a model to identify necessary infrastructures at the right stage, which was mainly based on a case of Korea. Taking into account the assistance we received from foreign companies and our own efforts for technological self-reliance, we have developed a general time table and specified activities required to do at each stage. From a donor's perspective, we explored various ways to help nuclear infrastructure development including technical support programs, training courses, and participating in IAEA technical cooperation programs on a regular basis. If we further develop the model, the next task would be to

  11. Infrastructure development assistance modeling for nuclear power plant

    Energy Technology Data Exchange (ETDEWEB)

    Park, J. H.; Hwang, K.; Park, K. M.; Kim, S. W.; Lee, S. M. [Korea Hydro and Nuclear Power Co., LTD, 23, 106 gil, Yeongdong-daero, Gangnam-gu, 153-791 (Korea, Republic of)

    2012-07-01

    The purpose of this paper is to develop a model, a general frame to be utilized in assisting newcomer countries to start a nuclear power program. A nuclear power plant project involves technical complexity and high level of investment with long duration. Considering newcomers are mostly developing countries that lack the national infrastructure, key infrastructure issues may constitute the principal constraints to the development of a nuclear power program. In this regard, it is important to provide guidance and support to set up an appropriate infrastructure when we help them with the first launch of nuclear power plant project. To date, as a sole nuclear power generation company, KHNP has been invited many times to mentor or assist newcomer countries for their successful start of a nuclear power program since Republic of Korea is an exemplary case of a developing country which began nuclear power program from scratch and became a major world nuclear energy country in a short period of time. Through hosting events organized to aid newcomer countries' initiation of nuclear power projects, difficulties have been recognized. Each event had different contents according to circumstances because they were held as an unstructured and one-off thing. By developing a general model, we can give more adequate and effective aid in an efficient way. In this paper, we created a model to identify necessary infrastructures at the right stage, which was mainly based on a case of Korea. Taking into account the assistance we received from foreign companies and our own efforts for technological self-reliance, we have developed a general time table and specified activities required to do at each stage. From a donor's perspective, we explored various ways to help nuclear infrastructure development including technical support programs, training courses, and participating in IAEA technical cooperation programs on a regular basis. If we further develop the model, the next task

  12. Demands and conditions of nuclear power development in Russia

    International Nuclear Information System (INIS)

    Sidorenko, V.A.

    1995-01-01

    A reliable power supply is necessary for Russia to find its way out of the present crisis and to develop its economy. Although there are considerable fossil fuel resources in Russia, they are not sufficient to meet future power demands. Forecasts by specialists indicate that about 30% of the necessary increase in annual electricity production should be covered until the year 2010 by new nuclear power plants (NPPs). Also, by that time, all outdated nuclear power units should be replaced by new plants of more than 8 GW capacity. The total NPP capacity in Russia should be increased until 2010 by 50-70%, thus providing the basis for further development of nuclear power, with the aim of reaching 25% of the total electricity generation before 2015. Safety assurance of operational NPPs is a major prerequisite for nuclear power development, and measures for improving safety are being implemented. New designs of power units are being developed, in accordance with modern requirements and safety standards, and the start of construction of these units is planned for the end of this decade. The economic parameters of NPPs situated in the European part of Russia are better than those of coal and gas fuelled power plants. The improved safety of NPPs, the implementation of measures for processing and storage of radioactive wastes, and economic arguments are gradually changing the negative attitude of the population to nuclear power. Extended international co-operation is a further important factor, giving additional assurances of successful and safe nuclear power development in Russia. (author). 1 tab

  13. High-Power Krypton Hall Thruster Technology Being Developed for Nuclear-Powered Applications

    Science.gov (United States)

    Jacobson, David T.; Manzella, David H.

    2004-01-01

    The NASA Glenn Research Center has been performing research and development of moderate specific impulse, xenon-fueled, high-power Hall thrusters for potential solar electric propulsion applications. These applications include Mars missions, reusable tugs for low-Earth-orbit to geosynchronous-Earth-orbit transportation, and missions that require transportation to libration points. This research and development effort resulted in the design and fabrication of the NASA-457M Hall thruster that has been tested at input powers up to 95 kW. During project year 2003, NASA established Project Prometheus to develop technology in the areas of nuclear power and propulsion, which are enabling for deep-space science missions. One of the Project-Prometheus-sponsored Nuclear Propulsion Research tasks is to investigate alternate propellants for high-power Hall thruster electric propulsion. The motivation for alternate propellants includes the disadvantageous cost and availability of xenon propellant for extremely large scale, xenon-fueled propulsion systems and the potential system performance benefits of using alternate propellants. The alternate propellant krypton was investigated because of its low cost relative to xenon. Krypton propellant also has potential performance benefits for deep-space missions because the theoretical specific impulse for a given voltage is 20 percent higher than for xenon because of krypton's lower molecular weight. During project year 2003, the performance of the high-power NASA-457M Hall thruster was measured using krypton as the propellant at power levels ranging from 6.4 to 72.5 kW. The thrust produced ranged from 0.3 to 2.5 N at a discharge specific impulse up to 4500 sec.

  14. Financing of nuclear power projects in developing countries

    International Nuclear Information System (INIS)

    1991-06-01

    This document is a summary of the ''Topical Seminar on Financing of Nuclear Power Projects in Developing Countries, held in Jakarta between 4-7 September, 1990. The seminar presentations were divided into the following sessions: Keynote session (3 papers), Perspective of Nuclear and Fossil-fired Generation Costs (9 papers), Assessment of Problems and Constraints for the Financing of Large Power Projects, with particular Attention to Nuclear Power Projects (9 papers), Mechanisms for Financing Nuclear Power Projects in Developing Countries (11 papers). A separate abstract was prepared for each of these papers. Refs, figs, tabs and charts

  15. Indicators for Nuclear Power Development

    International Nuclear Information System (INIS)

    2015-01-01

    Considering the scale of nuclear power aspirations, the number of planned nuclear new builds and the prospects of a number of countries constructing their first nuclear power plants, there is a need to assess the broader context of nuclear energy programmes in areas of macro-and socioeconomic conditions, energy systems and nuclear power, and the environment. It is important to assess the degree to which introduction or expansion of nuclear power is beneficial under these specific circumstances. This publication provides a set of indicators for nuclear power development that can serve as a tool to help explore these issues. The indicators are meant to provide a first order assessment of the situation and identify the issues that present the benefits and challenges in a balanced and objective manner and thereby help guide more detailed evaluations in the next stage of planning and preparations. Methodology sheets are provided to help users in data collection, quantification and interpretation of the indicators. The application of the indicators set is flexible. Users can select a subset of indicators that are most relevant for the questions they wish to explore in a given study or decision making process

  16. Development and Operation of Dual-Mode Analyzers for Wireless Power Consortium/Power Matters Alliance Wireless Power Systems.

    Science.gov (United States)

    Um, Keehong

    2016-05-01

    We have designed a protocol analyzer to be used in wireless power systems and analyzed the operation of wireless chargers defined by standards of Qi of Wireless Power Consortium (WPC) and Power Matters Alliance (PMA) protocols. The integrated circuit (IC, or microchip) developed so far for wireless power transmission is not easily adopted by chargers for specific purposes. A device for measuring the performance of test equipment currently available is required to transform and expand the types of protocol. Since a protocol analyzer with these functions is required, we have developed a device that can analyze the two protocols of WPC and PMA at the same time. As a result of our research, we present a dual-mode system that can analyze the protocols of both WPC and PMA.

  17. Power Generation Strategy Development in Croatia

    International Nuclear Information System (INIS)

    Curkovic, A.; Androcec, I.; Tarnik, T.

    2010-01-01

    Electricity generation as an economic sector contributes to the national GDP through increasing investments and exports. In the period from 2000 to 2008 the annual growth rate of final electricity demand was 3,8% which was higher than for any other energy form. Almost 1200 MW of thermal power plants will go out of system due to lifetime (more than 30 years). Energy Strategy is a basic document of the Energy Act with the purpose to define energy policy and future plans for energy development of the Republic of Croatia till 2020. Based on the adopted strategy the Government will create the Energy Strategy Implementation Programme for the four-year period. Croatian's energy development should be based on best available technologies as well as on energy-related, economic and environmental assessment of all available energy options. Energy strategy of Croatia (NN 130/09) puts up next goals: 300 MW hydro power plants (bigger than 10 MW), 1200 MW gas-fired thermal power plants (including 300 MW of cogeneration), 1200 MW of coal-fired thermal power plants, and 35% of renewable (including hydro). The market, i.e. a competitive generation, is the driving force in the construction of new power plants. The main stimulus for the construction is the possibility of definite return of invested capital as well as earning of reasonable profit for investors. Choose of location, environmental impact and competitiveness are main criteria for decision making. Technological and financial terms of new power plant is under influence of the law of supply and demand, so short marginal costs are in the first view - power plant life is at least 30 years - how to deal with this conditions, who will invest in long-term projects with condition of short pay-back period. Climate change and greenhouse gas emissions have become a priority development issue. The main challenge is a long-term development of economy with decreased emission of carbon dioxide. Kyoto protocol obligations, Copenhagen Accord

  18. Development scheme of the public power transportation network

    International Nuclear Information System (INIS)

    2005-01-01

    Article 14 of the modified law from February 10, 2000 relative to the modernization and development of the electric utility foresees that the development scheme of the public power transportation network is regularly submitted to the approval of the ministry of energy after advice from the energy regulation commission. The development scheme identifies the areas of 'power fragility' with respect to the existing or future constraints susceptible to occur at the short- or medium-term on the French power grid. This document comprises the text of the law 2000-108 from February 10, 2000, and the complete development scheme with its appendixes (regulatory and administrative context relative to network projects, constraints relative to each administrative region). (J.S.)

  19. GRA model development at Bruce Power

    International Nuclear Information System (INIS)

    Parmar, R.; Ngo, K.; Cruchley, I.

    2011-01-01

    In 2007, Bruce Power undertook a project, in partnership with AMEC NSS Limited, to develop a Generation Risk Assessment (GRA) model for its Bruce B Nuclear Generating Station. The model is intended to be used as a decision-making tool in support of plant operations. Bruce Power has recognized the strategic importance of GRA in the plant decision-making process and is currently implementing a pilot GRA application. The objective of this paper is to present the scope of the GRA model development project, methodology employed, and the results and path forward for the model implementation at Bruce Power. The required work was split into three phases. Phase 1 involved development of GRA models for the twelve systems most important to electricity production. Ten systems were added to the model during each of the next two phases. The GRA model development process consists of developing system Failure Modes and Effects Analyses (FMEA) to identify the components critical to the plant reliability and determine their impact on electricity production. The FMEAs were then used to develop the logic for system fault tree (FT) GRA models. The models were solved and post-processed to provide model outputs to the plant staff in a user-friendly format. The outputs consisted of the ranking of components based on their production impact expressed in terms of lost megawatt hours (LMWH). Another key model output was the estimation of the predicted Forced Loss Rate (FLR). (author)

  20. Buildings cover a part of the own power needs

    International Nuclear Information System (INIS)

    Schmid, W.

    2010-01-01

    This article takes a look at the topic of 'Smart Grids', as dealt with in the USA. The author notes that the topic is mostly the subject of work groups and the Administration, but that many interest groups are dealing with this 'innovation of the century'. It is, however, not always clear what exactly is meant by the term 'Smart Grid'. The article deals with the combination of a smart grid with a smart building, with interaction between the power supply and building technical services. In particular the BAC-Net system in the smart grid environment is dealt with in an interview with H. Michael Newmann of Cornell University, New York as well as with Steven T. Bushby and David Holmberg of the National Institute of Standards and Technology NIST. Topics discussed include interest shown by power utilities, state and market support, the integration of power-pricing data in the BAC-Net protocol, power 'stock exchanges' and electricity pricing as well as interaction between the utility and building management systems. Also, smart grids for normal households are discussed, as are a road map for the introduction of the technology and financial advantages for building managers

  1. Electric power, emissions and economic development

    International Nuclear Information System (INIS)

    Pearson, P.

    1996-01-01

    Energy use in the developing world has been growing rapidly over recent decades, both absolutely and relative to the growth in industrialized countries albeit from a very low base. In the next century, developing country commercial energy consumption in general and electricity consumption in particular, is expected to continue to rise with striking rapidity because of population growth, income growth and substitution of modern commercial fuels for traditional biomass fuels. Because the power sector is one of the fastest-growing energy sectors, it raises significant domestic environmental issues, while the sector's role in global warming scenarios has made it a key feature of international environmental policy. This paper focuses on the relationships between economic development, electric power and polluting emissions. 10 refs

  2. Engineering experiences through nuclear power development in Japan

    International Nuclear Information System (INIS)

    Uchida, Hideo

    2004-01-01

    This keynote paper deals with: energy issues and nuclear power development in Japan, problems of radiation protection, licensing and safety regulations, research on LOCA and ECCS, stress corrosion cracks related to pressure vessels, nuclear fuel failures, steam generators, incidents, waste management and fuel cycle facilities. In conclusion it is stated that: on order to cope with global matters vitally affecting the electricity generation, taking into consideration Japanese specific energy issues, the nuclear power development has been an indispensable policy of Japan. In order to proceed with further development of nuclear power plants, it is necessary to obtain proper understanding by the public, showing assurance of the safety and reliable operation of nuclear power plants through daily plant operation. The nuclear safety issues should be considered from a global point of view. It is necessary to establish common safety standards which could harmonize the safety level of nuclear power plants in the world. The safety goal concerning severe accidents should be established as an internationally agreeable one. Japan has accumulated highly technological experience in maintenance of nuclear power plants. It is believed that the cumulative experiences in Japan can contribute to the further improvement of safety of nuclear power plants throughout the world, and for this aim a mutual information exchange should be encouraged

  3. Market aspects of smart power grids development

    Directory of Open Access Journals (Sweden)

    Maciej Makowski

    2012-03-01

    Full Text Available Smart Grids herald a revolution in the power sector. The centralized and passive power grid model known for over a century is before our very eyes assuming a completely brand new shape: of an active and dynamic network with an increasingly relevant role of consumers – prosumers, who are offered brand new products and services. Such an active development is possible due to a number of factors, such as: 1. Synergy of ICT with power engineering – these disciplines are becoming an indispensable element of the modern power grid’s operation, 2. The European Union’s regulations in the area of reduction of CO2 emission and improved energy efficiency, as well as identification of Smart Grids as one of the optimum tools, 3. Growth, thanks to continuously increasing expenditures, public awareness of the purchase and rational use of energy. However, the Smart Grid development and ICT implementation in the power sector also carry a risk in the matter of setting up system and process links between the systems of concerned energy market players, which should be mitigated by development of technical standards, methods and principles of good cooperation between the concerned parties. Mitigation of the risk, and as a consequence, effective Smart Grids development will provide conditions for dynamic development of new roles and mechanisms on the energy market. Offering modern products and services to consumers and prosumers, and effective implementation on a national scale of demand management mechanisms will be a source of multidimensional benefits of a functional and financial nature, and will also have a positive impact on the National Lower Grid’s security.

  4. Engineering development in nuclear power plant construction

    International Nuclear Information System (INIS)

    Guenther, P.

    1979-01-01

    Proceeding from the up-to-now experience in the erection of nuclear power stations, especially of the first and second unit of the Greifswald nuclear power plant, the following essential aspects of the development of constructional engineering are discussed: (1) constructional features and criteria, (2) organizational management, (3) current status and problems in prelimary operations, and (4) possibilities of further expenditure reductions in constructing nuclear power stations

  5. IAEA Reviews Niger’s Nuclear Power Infrastructure Development

    International Nuclear Information System (INIS)

    2018-01-01

    An International Atomic Energy Agency (IAEA) team of experts has concluded an eight-day mission to Niger to review its infrastructure development for a nuclear power programme. The Integrated Nuclear Infrastructure Review (INIR) was carried out at the invitation of the Government of the Republic of Niger. Niger, whose economic development is hampered by a lack of consistent electricity supply, is considering a potential role for nuclear power in its energy mix. A country of about 21 million people in Western Africa, Niger is currently ranked as the world’s fourth largest producer of uranium ore. The INIR team observed a strong Government commitment to developing the infrastructure for a nuclear power programme. The Government has established a Strategic Orientation Committee for the Nuclear Power Programme chaired by the Prime Minister, and a National Technical Committee for the Nuclear Power Programme chaired by the President of the Nigerien High Authority for Atomic Energy (HANEA). Those two committees form the Nuclear Energy Programme Implementing Organization (NEPIO). Niger has already completed or initiated several studies related to nuclear infrastructure development, and prepared a comprehensive report summarizing the results.

  6. Research and development in power plant engineering

    International Nuclear Information System (INIS)

    Riedle, K.; Taud, R.

    2001-01-01

    Research and development are a bridge for visions that are escorted to a successful market introduction. Also in power plant engineering, research and development are a lever with which the product power plant, its technology and processes can be adapted to the quickly changing future market. In the overview given by this paper, therefore at first the development boosters and targets are outlined from the viewpoint of the market; then the available technology portfolio is addressed in a concise way. Targets for the development can be seen from the support programmes of the governments. Before a preview is given, some development topics from the point of view of the manufacturer are introduced. (orig.) [de

  7. Nuclear power - status and development 1986/87

    International Nuclear Information System (INIS)

    Lingjaerde, R.O.

    1987-10-01

    A review og the present global position of nuclear power is given. Topics as nuclear power in developing countries, operation experience for the Super Phenix reactor, and the long-term consequences of the Chernobyl reactor accident are briefly dealt with

  8. Development of nuclear power standards and relevant system in China

    International Nuclear Information System (INIS)

    Cao Shudong

    2008-01-01

    By analyzing the history of nuclear power development and the status of nuclear power codes and standards in China, the significance and necessity to quicken the development of nuclear power standards system in China are pointed out, and the guiding ideology, development thoughts, working doctrine and development objectives are put forward in this paper. (authors)

  9. Future scenarios for the development of nuclear power. How will nuclear power develop over the next twenty to forty years?

    International Nuclear Information System (INIS)

    Pickett, Susan E.

    2009-01-01

    Nuclear power technology has developed significantly over the past 60 years to the point that today it supplies the world with 15% of its electricity; and there are plans for continued development. However, the continued growth of nuclear power is not without challenges. The nuclear industry must remain competitive in the face of challenges ranging from environmental considerations and proliferation concerns to ensuring safe and often transparent operations. Understanding these and other issues, as well as their underlying causes, can help the industry leaders create more robust strategies and effectively implement nuclear fuel cycle decisions. Robust strategies are ones that can be effective even when circumstances change, due to events such as opposition, new scientific information, changes in resource availability, or introduction of competing technologies. Scenario planning is tool which can help planners and decision makers create a strategic conversation about the future and how to manage and plan in a time of accelerated change and complexity. In this paper, scenario planning is introduced and the development of nuclear power is examined against the back drop of four future scenarios, specifically looking at how variations in environmental quality, resource availability, security and proliferation, and safety may affect the development of nuclear power. The scenarios discussed provide a starting point to improve the understanding of issues and opportunities facing the global nuclear power industry and ultimately, to improve strategies for technology development. Such scenarios may be employed as a basis for collaboration and communication amongst the stakeholders involved in the development of nuclear technology. (author)

  10. IUPAC-NIST Solubility Data Series. 95. Alkaline Earth Carbonates in Aqueous Systems. Part 2. Ca

    International Nuclear Information System (INIS)

    De Visscher, Alex; Vanderdeelen, Jan

    2012-01-01

    The alkaline earth carbonates are an important class of minerals. This article is part of a volume in the IUPAC-NIST Solubility Data Series that compiles and critically evaluates solubility data of the alkaline earth carbonates in water and in simple aqueous electrolyte solutions. Part 1 outlined the procedure adopted in this volume, and presented the beryllium and magnesium carbonates. Part 2, the current paper, compiles and critically evaluates the solubility data of calcium carbonate. The chemical forms included are the anhydrous CaCO 3 types calcite, aragonite, and vaterite, the monohydrate monohydrocalcite (CaCO 3 · H 2 O), the hexahydrate ikaite (CaCO 3 ·6H 2 O), and an amorphous form. The data were analyzed with two model variants, and thermodynamic data of each form consistent with each of the models and with the CODATA key values for thermodynamics are presented.

  11. Wind power development and policies in China

    International Nuclear Information System (INIS)

    Liao, Cuiping; Farid, Nida R.; Jochem, Eberhard; Zhang, Yi

    2010-01-01

    The People's Republic of China foresees a target of 30 GW for installed wind power capacity by 2010 (2008: 12 GW). This paper reports on the technical and economic potentials of wind power, the recent development, existing obstacles, and related policies in China. The barriers to further commercialization of the wind power market are important and may deter the 100 GW capacity target of the Chinese government by 2020. The paper concludes that the diffusion of wind power in China is an important element for not only reducing global greenhouse gas emissions, but also for worldwide progress of wind power technology and needed economies of scale. (author)

  12. Heat engine development for solar thermal power systems

    Science.gov (United States)

    Pham, H. Q.; Jaffe, L. D.

    The parabolic dish solar collector systems for converting sunlight to electrical power through a heat engine will, require a small heat engine of high performance long lifetime to be competitive with conventional power systems. The most promising engine candidates are Stirling, high temperature Brayton, and combined cycle. Engines available in the current market today do not meet these requirements. The development of Stirling and high temperature Brayton for automotive applications was studied which utilizes much of the technology developed in this automotive program for solar power engines. The technical status of the engine candidates is reviewed and the components that may additional development to meet solar thermal system requirements are identified.

  13. Developments of nuclear power in Russia

    International Nuclear Information System (INIS)

    Konowalow, V.; Tytschkow, J.; Terentjew, W.

    1994-01-01

    Since the disintegration of the Soviet Union the economy, and thus also the nuclear industry in Russia, which is supervised by the Ministry for Atomic Energy, is in a process of structural change. The process is to result in a diversification of the products manufactured for use in the power industry and the nuclear fuel cycle, and also in enhanced productivity. Science and research, which enjoy a high reputation worldwide, must be preserved and expanded. Nuclear technology in Russia is to be developed further in three stages. In the renewal phase up until 2000, older nuclear power stations will be phased out and a new generation of reactors will be developed, which will be built and connected to the power grid in the second stage, which will extend until 2010. In the third phase, after 2010, the installed capacity of the nuclear generating units equipped with new reactors is to rise to 30 or 40 million kW. (orig.) [de

  14. Basic plan for nuclear power development and utilization in 1987

    International Nuclear Information System (INIS)

    1987-01-01

    This report presents specific measures to be carried out in 1987 to promote research, development and application of nuclear power. The first part deals with the strengthening of safety measures, centering on the improvement in regulation and administration for nuclear power safety; promotion of safety studies; improvement and strengthening of disaster prevention measures; improvement and strengthening of environmental activity surveys; improvement in exposure control measures for nuclear power operation workers; and establishment of the nuclear fuel cycle and safety in such activities as development of new reactors. The second part of the report addresses the promotion of nuclear power generation. Measures for this will be focused on the promotion of location of nuclear power plants and the development of advanced technology for light water reactors. The third part describes measures for establishing the nuclear fuel cycle, which cover the procurement of uranium resources; enrichment of uranium; reprocessing of spent fuel and utilization of plutonium and recovered uranium; and disposal of radioactive waste. Other parts presents measures to be carried out for the development of new power reactors; research on nuclear fusion; development of nuclear powered vessels; application of radiations; improvement in the infrastructure for nuclear power development and utilization; etc. (Nogami, K.)

  15. Promotion and financing of nuclear power programmes in developing countries

    International Nuclear Information System (INIS)

    Bennett, L.L.; Skjoeldebrand, R.

    1988-01-01

    Nuclear power has been introduced only to a small extent in a few developing countries. A group of senior experts conducted a study of the existing constraints on nuclear power in developing countries, the requirements to be met for successful introduction of a nuclear power programme, and mechanisms to assist developing countries in overcoming the identified constraints. Financing represents one (but not the only) major constraint to nuclear power development in developing countries. The present schemes of export credits and commercial financing are seen as not adequately meeting the needs of nuclear power financing in terms of repayment periods and profiles, or in terms of flexibility to meet delays and cost overruns. Innovative and workable arrangements to share the economic and financial risks would be helpful in obtaining financing for a nuclear power project. All possible efforts should be made by all parties involved in the development of nuclear power to reduce as far as possible the uncertainties surrounding the cost and schedule of a nuclear power project, as an essential step to improve the overall climate for financing the project. Government commitment, soundly based and thorough planning, development of qualified manpower and other key infrastructures, and good project management are important mechanisms to achieve greater predictability in project schedule and cost. Technical assistance provided by the IAEA can be very helpful in building these capabilities in developing countries. (author). 1 tab

  16. BN-1200 Reactor Power Unit Design Development

    International Nuclear Information System (INIS)

    Vasilyev, B.A.; Shepelev, S.F.; Ashirmetov, M.R.; Poplavsky, V.M.

    2013-01-01

    Main goals of BN-1200 design: • Develop a reliable new generation reactor plant for the commercial power unit with fast reactor to implement the first-priority objectives in changing over to closed nuclear fuel cycle; • Improve technical and economic indices of BN reactor power unit to the level of those of Russian VVER of equal power; • Enhance the safety up to the level of the requirements for the 4th generation RP

  17. Development of laser material processing and laser metrology techniques. Development of the power supply of high power CO{sub 2} laser for material processing

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Heon Ju; Lee, Yong Hak; Jang, Do Hyun; Kim, Su Hun [Cheju National University, Cheju (Korea, Republic of)

    1994-08-01

    The 2 Kw solid state RF power supply has been designed and fabricated The power supply was composed of oscillator, driver amplifier and power amplifier. Each part of the power supply was developed and tested. The impedance matching circuit to apply this RF power supply for laser discharge excitation was fabricated also. The RF discharge experiment for the excitation of CO{sub 2} laser was performed. The radiofrequency power supply which has the output power of 2 Kw has been developed. The subsystems of the power supply have been fabricated and their performances were reliable. The RF discharge experiment to generate the laser plasma has been performed and input power density of 6 W/cm{sub 3} has been achieved. (author). 5 refs., 28 figs., 8 tabs.

  18. The development of nuclear power as an alternative energy

    International Nuclear Information System (INIS)

    Zheng Mingguang; Ye Cheng; Han Xu

    2010-01-01

    In this paper, we discuss the world's recent development of nuclear power, which does not seem to achieve what has been anticipated by the groups of experts. In this regard, there is before us a heavy responsibility and a long way to go. Nuclear power is very important for China's environmental protection and economic development. Suggestions are made for longer-term demand for the electricity and long-term nuclear power plan in China.According to the nuclear power strategy adopted by developed nations, we believe that China's nuclear power strategy and nuclear techniques shall be based on advanced PWR, such as AP1000, CAP1000, CAP1400 and CAP1700, which will be the main NPP types in a long time in China, and the latter two shall be highly competitive in the world.For generation IV reactors, the SCWR (Supercritical Water Reactor) is more suitable than others, in terms of the industrial development in PWRs and fossil fuel super critical generator systems in China. In addition,investment should be increased in fast reactors to achieve the fuel closed-cycle, and attentions should be paid to the TWR (Traveling-wave Reactor), and small and medium-sized reactor as well.Finally, conclusions are given for large scale development of nuclear power in China. (authors)

  19. New trends in nuclear power engineering development

    International Nuclear Information System (INIS)

    Krasin, A.K.

    1974-01-01

    The specific features are considered of three designs of nuclear power plants with fast reactors: three-circuit nuclear power plant with liquid sodium as primary and secondary coolant, in the third circuit water vapor being used as turbine working medium, dual cycle nuclear power plant with pressurized helium as primary coolant and water vapor as turbine working medium, direct cycle nuclear power plant with a dissociating gas (nitrogen tetroxide N 2 O 4 ) as reactor coolant and turbine working medium. The version of the direct cycle nuclear power plant with dissociating N 2 O 4 was proposed and being developed by the Institute of Nuclear Engineering of the Academy of Sciencies of the BSSR. The thermal and physical properties of the dissociating gas allow a high-power-density reactor core to be used with a hard neutron spectra resulting in a high breeding ratio and a short doubling time. The pressure range from 150 to 170 bar was proven for this coolant under laboratory conditions and structural materials were chosen that ensure all the components of the direct cycle nuclear power plant to be workable. At present it is difficult to say which of the three versions is the most advantageous. The further development of a full-scale prototypes of a commercial nuclear power plant with a fast reactor and investigation of their technical and economic parameters remain the problems of utmost importance. A possible use of nuclear reactors is shortly considered for process heat production, in ferrous metallurgy, for hydrogen and new isotope production, and for radiation chemistry as well

  20. The nuclear power development policy of Taipower

    International Nuclear Information System (INIS)

    Chen, J.H.

    1987-01-01

    Taipower began its nuclear power epoch in 1978 when the first unit of its First Nuclear Power Station was synchronized to the system on November 1977. At present, Taipower has six units installed in three nuclear power plants, totalling 5144 MW in operation. These units are the mainstay of the 16,600 MW system and have played a significant role in the energy supply of Taiwan. This paper will firstly give a brief overview of Taipower's system, then introduce Taipower's nuclear power policies within the frame of issues on nuclear power economy, nuclear fuel cycle management, nuclear safety and environmental concerns, radioactive waste management, public communications and personnel training. At last, this paper will present the prospect for future nuclear power development in Taiwan with reference to the above discussion. (author)

  1. Design and development of power supplies at VECC for accelerators

    International Nuclear Information System (INIS)

    Thakur, S.K.

    2013-01-01

    Several power supplies have been designed and developed in-house incorporating various topologies to match the load requirements. Most of the power supplies have been being utilised in K-130 and K-500 cyclotrons operation successfully from last several years. Amongst other types, Switching Mode PS (SMPS), Phase Controlled Rectifier (PCR), Linear mode power supply are mostly in use, irrespective of their own merits and demerits. Switching mode power supply (SMPS) is most common topology for various applications ranging from high current to high voltage applications. Due to low stored energy and faster response, the SMPS incorporating Pulse Switch Modulation (PSM) configuration is most suitable for high voltage DC power supply at larger power compared to its counterparts, makes possible to operate the power system without crowbar. For an IOT cathode power supply, a 200kW at - 40kV High voltage power supply is under development incorporating SMPS and PSM technique. Earlier, High Voltage power supply was made by using Tetrode Tube in linear mode for RF amplifier for K-130 Cyclotron. Later, in K-500 Cyclotron, a High Voltage power supply was developed incorporating PCR topology rated at 20kV, 20 Amp for Anodes for 3 nos. of RF amplifiers. These HV power supply is equipped with ultra-fast acting Crowbar Protection System developed in VECC which is for the protection of costly RF Tubes against the internal arc. Design and development of SMPS based Bipolar Power Supply with 4-Quadrant operation rated at ± 27 V, ± 300 Amp with current stability around 100 ppm for Super-conducting Magnets along with quench protection and energy dumping scheme. (author)

  2. Development and content validation of the power mobility training tool.

    Science.gov (United States)

    Kenyon, Lisa K; Farris, John P; Cain, Brett; King, Emily; VandenBerg, Ashley

    2018-01-01

    This paper outlines the development and content validation of the power mobility training tool (PMTT), an observational tool designed to assist therapists in developing power mobility training programs for children who have multiple, severe impairments. Initial items on the PMTT were developed based on a literature review and in consultation with therapists experienced in the use of power mobility. Items were trialled in clinical settings, reviewed, and refined. Items were then operationalized and an administration manual detailing scoring for each item was created. Qualitative and quantitative methods were used to establish content validity via a 15 member, international expert panel. The content validity ratio (CVR) was determined for each possible item. Of the 19 original items, 10 achieved minimum required CVR values and were included in the final version of the PMTT. Items related to manoeuvring a power mobility device were merged and an item related to the number of switches used concurrently to operate a power mobility device were added to the PMTT. The PMTT may assist therapists in developing training programs that facilitate the acquisition of beginning power mobility skills in children who have multiple, severe impairments. Implications for Rehabilitation The Power Mobility Training Tool (PMTT) was developed to help guide the development of power mobility intervention programs for children who have multiple, severe impairments. The PMTT can be used with children who access a power mobility device using either a joystick or a switch. Therapists who have limited experience with power mobility may find the PMTT to be helpful in setting up and conducting power mobility training interventions as a feasible aspect of a plan of care for children who have multiple, severe impairments.

  3. Challenges on wind power development in China

    Energy Technology Data Exchange (ETDEWEB)

    Liu, Qianjin; Shi, Jingli

    2010-09-15

    Wind power has experienced exponential growth in China in the past five years, which exceeds the most optimistic expectations. The increasing penetration and aggressive future plan are arousing big concerns about its impact on operation and security of existing power networks. This paper introduces present condition of wind power development in China and the challenges on both grid integration and regulations. Most of these challenges are economical rather than technical. Feed-in tariff policies and grid code are the key countermeasures. Accurate wind forecast and economical mass energy storage are needed to guarantee compliance of wind power to the grid.

  4. Feasibility analysis of nuclear power development in Sichuan province

    International Nuclear Information System (INIS)

    Yang Qi; Li Jie

    2003-01-01

    Sichuan province should take this opportunity to develop nuclear power actively since the application of nuclear power has been enhanced worldwide. It is accepted that nuclear power is one kind of safe and clean energy, and the economic has been improved greatly. Considering the electricity demands and structure conflict in near 20 years, nuclear power could solve the problem of electricity shortness in Sichuan, optimize the electricity structure and meliorate the environment, and thus maintain the sustainable development of the economy in Sichuan Province

  5. Development of nuclear power in Sweden

    International Nuclear Information System (INIS)

    Sokolowski, E.

    1994-01-01

    The history and development of nuclear energetics in Sweden has been described. Up to now 12 units (9 BWR and 3 PWR nuclear reactors) with total 70 TWh electric power is being working in Sweden. If the same power will be installed as a coal-fired units the emissions of 65 million tons of CO 2 , 240,000 tons of SO 2 and 140 tons of NO x would be expected. 1 tab

  6. China's Wind Power Development in 2008

    Institute of Scientific and Technical Information of China (English)

    Jiang Liping; LiJialu

    2009-01-01

    @@ Introduction Over the past decade,considering the energy supply security and the sustainable energy development,as well as the atmospheric-environmental protection especially the climate change,countries all over the world have generated more and more enthusiasm for renewable energy development.Driven by this trend,wind power development has been keeping up great momentum worldwide,and new records have been set.

  7. Wheeling and dealing - the development of the power loader

    Energy Technology Data Exchange (ETDEWEB)

    Davies, P.M. (British Coal Corporation (UK). Selby Group)

    1990-04-01

    The paper traces the historical development of the power loader from its antecedent, the coal cutter, to the variety of coal getting machines available today. It examines the course of successful developments and, in addition, it describes some of the less successful machines that only found limited application - the 'dinosaurs'. Ancillary developments which were essential to the success of power loader evolution are also described and the evolutionary impetus that is currently altering power loader design is explored. The author concludes with views on the main criteria that will determine the power loader of the future and suggestions for improving some aspects of current performance by the application of technology. 8 figs.

  8. Wheeling and dealing - the development of the power loader

    Energy Technology Data Exchange (ETDEWEB)

    Davies, P M [British Coal Corporation (UK). Selby Group

    1990-04-01

    The paper traces the historical development of the power loader from its antecedent, the coal cutter, to the variety of coal getting machines available today. It examines the course of successful developments and, in addition, it describes some of the less successful machines that only found limited application - the 'dinosaurs'. Ancillary developments which were essential to the success of power loader evolution are also described and the evolutionary impetus that is currently altering power loader design is explored. The author concludes with views on the main criteria that will determine the power loader of the future and suggestions for improving some aspects of current performance by the application of technology. 8 figs.

  9. Development of nuclear power plant management system for Kyushu Electric Power Co., Inc

    International Nuclear Information System (INIS)

    Nakamura, Kenichi; Akiyoshi, Tatsuo; Tanimoto, Kazuo; Ogura, Kazuhito; Ibi, Yuji; Kawasaki, Michiyuki

    2002-01-01

    The Kyushu Electric Power Co., Ltd. progresses development of the nuclear power plant management system using IT under aims at upgrading of efficiency, level, and reliability on maintenance and administration business under five years planning since 1999 fiscal year. The outline of the system are explained in this paper. As a result of preparation on power station net work and personal computers set in all of company, an environment capable of using these infrastructures and introducing large scale systems on transverse business over every groups of each power station could be established. (G.K.)

  10. Evaluation of lead isotope compositions of NIST NBS 981 measured by thermal ionization mass spectrometer and multiple-collector inductively coupled plasma mass spectrometer

    Directory of Open Access Journals (Sweden)

    Honglin Yuan

    2016-09-01

    Full Text Available Because Pb isotopes can be used for tracing, they are widely used in many disciplines. The detection and analysis of Pb isotopes of bulk samples are usually conducted using thermal ionization mass spectrometer (TIMS and multiple-collector inductively coupled plasma mass spectrometer (MC-ICP-MS, both of which need external reference materials with known isotopic compositions to correct for the mass discrimination effect produced during analysis. NIST NBS 981 is the most widely used reference material for Pb isotope analysis; however, the isotopic compositions reported by various analytical laboratories, especially those using TIMS, vary from each other. In this study, we statistically evaluated 229 reported TIMS analysis values collected by GeoReM in the last 30 years, 176 reported MC-ICP-MS analysis values, and 938 MC-ICP-MS analysis results from our laboratory in the last five years. After careful investigation, only 40 TIMS results were found to have double or triple spikes. The ratios of the overall weighted averages, 206Pb/204Pb, 207Pb/204Pb, and 208Pb/204Pb, obtained from 40 spiked TIMS reports and 1114 MC-ICP-MS results of NIST NBS 981 isotopes were 16.9406 ± 0.0003 (2s, 15.4957 ± 0.0002 (2s, and 36.7184 ± 0.0007 (2s, respectively.

  11. Development of management systems for nuclear power plant of Hokuriku Electric Power Company

    International Nuclear Information System (INIS)

    Nakamura, Tatsuaki; Hasunuma, Junichi; Suzuki, Shintaro

    2009-01-01

    Hokuriku Electric Power Company has been operating the Shika Nuclear Power Station that it constructed in Shika city, Ishikawa prefecture, for over 15 years since bringing Unit 1 of this plant online in July 1993. In addition to electricity generation, maintenance and inspection tasks constitute a big part of operating a large-scale nuclear power plant, and in recent years, problems at power stations in the nuclear power industry have led to several revisions of nationally regulated maintenance and inspection systems. This paper describes the background, objectives, development method, and features of the Maintenance Management System and Maintenance History Management System that make effective use of information technology to promote safer and more efficient maintenance work at large-scale nuclear power plants. (author)

  12. Development of Danish wind power market

    International Nuclear Information System (INIS)

    Meyer, Niels I.

    2004-01-01

    The modern phase of Danish wind power started after the oil crisis in 1973. Based on long traditions of Danish wind power dating back to the beginning of the century a new commercial phase was initiated by small industrial entrepreneurs with support by the Danish government, the Danish Academy of Technical Sciences and green organizations. During the eighties technological development resulted in increased cost efficiency, while the investment subsidies from the state were gradually phased out. Conflicts between utilities and wind power producers over tariffs and the costs of grid connections, then slowed down the penetration of wind power on the Danish market. In addition, many local municipalities were setting up administrative barriers for wind turbines. These barriers were removed by government intervention in the early nineties when favourable feed-in tariffs were introduced together with easy access to the grid, simple procedures for construction allowances and priority to green electricity. As a result wind power was booming in the Danish home market and Danish turbines achieved a global market share of around 50%. After a change of government in December 2001, however the Danish home market for wind power has more or less collapsed. (Author)

  13. IUPAC-NIST Solubility Data Series. 95. Alkaline Earth Carbonates in Aqueous Systems. Part 2. Ca

    Energy Technology Data Exchange (ETDEWEB)

    De Visscher, Alex; Vanderdeelen, Jan [Department of Chemical and Petroleum Engineering, and Centre for Environmental Engineering Research and Education (CEERE), Schulich School of Engineering, University of Calgary, Calgary, Alberta, T2N 1N4 (Canada); Department of Applied Analytical and Physical Chemistry, Faculty of Bioscience Engineering, Ghent University, B-9000 Ghent (Belgium)

    2012-06-15

    The alkaline earth carbonates are an important class of minerals. This article is part of a volume in the IUPAC-NIST Solubility Data Series that compiles and critically evaluates solubility data of the alkaline earth carbonates in water and in simple aqueous electrolyte solutions. Part 1 outlined the procedure adopted in this volume, and presented the beryllium and magnesium carbonates. Part 2, the current paper, compiles and critically evaluates the solubility data of calcium carbonate. The chemical forms included are the anhydrous CaCO{sub 3} types calcite, aragonite, and vaterite, the monohydrate monohydrocalcite (CaCO{sub 3}{center_dot} H{sub 2}O), the hexahydrate ikaite (CaCO{sub 3}{center_dot}6H{sub 2}O), and an amorphous form. The data were analyzed with two model variants, and thermodynamic data of each form consistent with each of the models and with the CODATA key values for thermodynamics are presented.

  14. Safety and effective developing nuclear power to realize green and low-carbon development

    OpenAIRE

    Ye, Qi-Zhen

    2016-01-01

    This paper analyzes the role of nuclear power of China's energy structure and industry system. Comparing with other renewable energy the nuclear power chain has very low greenhouse gas emission, so it will play more important role in China's low-carbon economy. The paper also discussed the necessity of nuclear power development to achieve emission reduction, energy structure adjustment, nuclear power safety, environmental protection, enhancement of nuclear power technology, nuclear waste trea...

  15. Development of copper bromide laser master oscillator power

    Indian Academy of Sciences (India)

    2014-02-09

    Feb 9, 2014 ... Development of master oscillator power amplifier (MOPA) system of copper bromide laser (CBL) operating at 110 W average power is reported. The spectral distribution of power at green (510.6 nm) and yellow (578.2 nm) components in the output of a copper bromide laser is studied as a function of ...

  16. Nuclear power for developing countries. Key issue paper no. 1

    International Nuclear Information System (INIS)

    Rogner, H.-H.; Khan, A.M.

    2000-01-01

    Is there a rationale for developing countries to adopt nuclear power? This paper explores this rationale and the suitability of nuclear power for developing countries by surveying the prerequisites for and implications of developing a nuclear power program: infrastructure availability, economics and finance, environment, the needs for technology transfer, the regulatory and institutional frameworks required and the awareness of public concerns. (author)

  17. Analysis of JPSS J1 VIIRS Polarization Sensitivity Using the NIST T-SIRCUS

    Science.gov (United States)

    McIntire, Jeffrey W.; Young, James B.; Moyer, David; Waluschka, Eugene; Oudrari, Hassan; Xiong, Xiaoxiong

    2015-01-01

    The polarization sensitivity of the Joint Polar Satellite System (JPSS) J1 Visible Infrared Imaging Radiometer Suite (VIIRS) measured pre-launch using a broadband source was observed to be larger than expected for many reflective bands. Ray trace modeling predicted that the observed polarization sensitivity was the result of larger diattenuation at the edges of the focal plane filter spectral bandpass. Additional ground measurements were performed using a monochromatic source (the NIST T-SIRCUS) to input linearly polarized light at a number of wavelengths across the bandpass of two VIIRS spectral bands and two scan angles. This work describes the data processing, analysis, and results derived from the T-SIRCUS measurements, comparing them with broadband measurements. Results have shown that the observed degree of linear polarization, when weighted by the sensor's spectral response function, is generally larger on the edges and smaller in the center of the spectral bandpass, as predicted. However, phase angle changes in the center of the bandpass differ between model and measurement. Integration of the monochromatic polarization sensitivity over wavelength produced results consistent with the broadband source measurements, for all cases considered.

  18. Nuclear power development in China and India

    International Nuclear Information System (INIS)

    Hara, Taito

    2016-01-01

    China and India are expected to achieve the world's largest energy and electricity consumption because of population and economic growth. In the past, the two countries covered coal demand by domestic coal production, however, these countries have now turned to net importers. From the point of view of energy security improvement, the both countries are actively developing nuclear power. IEA expects that the nuclear power electricity ratio will be 10.4% in China and 6.5% in India in 2040. If it is converted to 1 GW class nuclear power plant, China and India must respectively start to operate 4.9 units and 1.2 units per year up to 2040. In the future, the two countries are expected to play the leading role of nuclear energy development. (author)

  19. Experimental development of power reactor intelligent control

    International Nuclear Information System (INIS)

    Edwards, R.M.; Garcia, H.E.; Lee, K.Y.

    1992-01-01

    The US nuclear utility industry initiated an ambitious program to modernize the control systems at a minimum of ten existing nuclear power plants by the year 2000. That program addresses urgent needs to replace obsolete instrumentation and analog controls with highly reliable state-of-the-art computer-based digital systems. Large increases in functionality that could theoretically be achieved in a distributed digital control system are not an initial priority in the industry program but could be logically considered in later phases. This paper discusses the initial development of an experimental sequence for developing, testing, and verifying intelligent fault-accommodating control for commercial nuclear power plant application. The sequence includes an ultra-safe university research reactor (TRIGA) and a passively safe experimental power plant (Experimental Breeder Reactor 2)

  20. Measured Polarized Spectral Responsivity of JPSS J1 VIIRS Using the NIST T-SIRCUS

    Science.gov (United States)

    McIntire, Jeff; Young, James B.; Moyer, David; Waluschka, Eugene; Xiong, Xiaoxiong

    2015-01-01

    Recent pre-launch measurements performed on the Joint Polar Satellite System (JPSS) J1 Visible Infrared Imaging Radiometer Suite (VIIRS) using the National Institute of Standards and Technology (NIST) Traveling Spectral Irradiance and Radiance Responsivity Calibrations Using Uniform Sources (T-SIRCUS) monochromatic source have provided wavelength dependent polarization sensitivity for select spectral bands and viewing conditions. Measurements were made at a number of input linear polarization states (twelve in total) and initially at thirteen wavelengths across the bandpass (later expanded to seventeen for some cases). Using the source radiance information collected by an external monitor, a spectral responsivity function was constructed for each input linear polarization state. Additionally, an unpolarized spectral responsivity function was derived from these polarized measurements. An investigation of how the centroid, bandwidth, and detector responsivity vary with polarization state was weighted by two model input spectra to simulate both ground measurements as well as expected on-orbit conditions. These measurements will enhance our understanding of VIIRS polarization sensitivity, improve the design for future flight models, and provide valuable data to enhance product quality in the post-launch phase.

  1. China's nuclear energy demand and CGNPC's nuclear power development

    International Nuclear Information System (INIS)

    Rugang, Sh.

    2007-01-01

    By importation, assimilation and innovation from French nuclear power technology and experience, the China Guangdong Nuclear Power Plant Holding Company (CGNPC) has developed the capabilities of indigenous construction and operation of 1000 MW-class nuclear power plants. Through the industrial development over the past 20 years, four 1000 MW-class reactors have been built and put into commercial operation in China. CGNPC is negotiating with AREVA on the transfer of the EPR technology and the application of this technology for the Yangjang nuclear power plant depends on the negotiation results. Since China became a member of the 4. Generation International Forum, CGNPC as a large state-owned enterprise, will take an active part in the 4. generation nuclear power technology developments under the leadership of China Atomic Energy Authority, particularly it will contribute to the research work on the high-temperature gas-cooled reactor and on the super-critical water reactor

  2. Sustainable development and nuclear power

    International Nuclear Information System (INIS)

    Grimston, M.C.

    1994-01-01

    The United Kingdom Government's strategy aimed at securing sustainable development has recently been published, and is analysed here by the Energy Issues Adviser, for the British Nuclear Industry Forum. The energy framework aims to ensure secure supplies of energy at competitive prices and to minimise possible adverse environmental impacts of energy use. It is argued here that both of these aims will be promoted by the continued and growing use of nuclear power in the United Kingdom. As the cost of nuclear electricity depends chiefly on the price of uranium, which is likely to stabilize due to increased supplies from nuclear weapons destruction, uranium recycling and mixed oxide fuel reprocessing, it is unlikely that world fuel price inflation will affect these costs. Secondly, nuclear power is not associated with acid rain or the threat of global warming, so its environment protection claims can be substantiated. Indeed, unlike other fuel sources, nuclear power already pays for its waste and decommissioning procedures. (UK)

  3. Nuclear Power and Sustainable Development (French Edition)

    International Nuclear Information System (INIS)

    2008-01-01

    Any discussion of 21st century energy trends must take into account the global energy imbalance. Roughly 1.6 billion people still lack access to modern energy services, and few aspects of development - whether related to living standards, health care or industrial productivity - can take place without the requisite supply of energy. As we look to the century before us, the growth in energy demand will be substantial, and 'connecting the unconnected' will be a key to progress. Another challenge will be sustainability. How can we meet these growing energy needs without creating negative side effects that could compromise the living environment of future generations? Nuclear power is not a 'fix-all' option. It is a choice that has a place among the mix of solutions, and expectations for the expanding use of nuclear power are rising. In addition to the growth in demand, these expectations are driven by energy security concerns, nuclear power's low greenhouse gas emissions, and the sustained strong performance of nuclear plants. Each country must make its own energy choices; one size does not fit all. But for those countries interested in making nuclear power part of their sustainable development strategies, it is important that the nuclear power option be kept open and accessible [fr

  4. Nuclear Power and Sustainable Development (Spanish Edition)

    International Nuclear Information System (INIS)

    2008-02-01

    Any discussion of 21st century energy trends must take into account the global energy imbalance. Roughly 1.6 billion people still lack access to modern energy services, and few aspects of development - whether related to living standards, health care or industrial productivity - can take place without the requisite supply of energy. As we look to the century before us, the growth in energy demand will be substantial, and 'connecting the unconnected' will be a key to progress. Another challenge will be sustainability. How can we meet these growing energy needs without creating negative side effects that could compromise the living environment of future generations? Nuclear power is not a 'fix-all' option. It is a choice that has a place among the mix of solutions, and expectations for the expanding use of nuclear power are rising. In addition to the growth in demand, these expectations are driven by energy security concerns, nuclear power's low greenhouse gas emissions, and the sustained strong performance of nuclear plants. Each country must make its own energy choices; one size does not fit all. But for those countries interested in making nuclear power part of their sustainable development strategies, it is important that the nuclear power option be kept open and accessible [es

  5. Development of AC-DC power system simulator

    International Nuclear Information System (INIS)

    Ichikawa, Tatsumi; Ueda, Kiyotaka; Inoue, Toshio

    1984-01-01

    A modeling and realization technique is described for realtime plant dynamics simulation of nuclear power generating unit in AC-DC power system simulator. Dynamic behavior of reactor system and steam system is important for investigation a further adequate unit control and protection system to system faults in AC and DC power system. Each unit of two nuclear power generating unit in the power system simulator consists of micro generator, DC motors, flywheels and process computer. The DC motor and flywheel simulates dynamic characteristics of steam turbine, and process computer simulates plant dynamics by digital simulation. We have realized real-time plant dynamics simulation by utilizing a high speed process I/O and a high speed digital differential analyzing processor (DDA) in which we builted a newly developed simple plant model. (author)

  6. Development of an autonomous power system testbed

    International Nuclear Information System (INIS)

    Barton, J.R.; Adams, T.; Liffring, M.E.

    1985-01-01

    A power system testbed has been assembled to advance the development of large autonomous electrical power systems required for the space station, spacecraft, and aircraft. The power system for this effort was designed to simulate single- or dual-bus autonomous power systems, or autonomous systems that reconfigure from a single bus to a dual bus following a severe fault. The approach taken was to provide a flexible power system design with two computer systems for control and management. One computer operates as the control system and performs basic control functions, data and command processing, charge control, and provides status to the second computer. The second computer contains expert system software for mission planning, load management, fault identification and recovery, and sends load and configuration commands to the control system

  7. Standards and measurements for assessing bone health-workshop report co-sponsored by the International Society for Clinical Densitometry (ISCD) and the National Institute of Standards and Technology (NIST).

    Science.gov (United States)

    Bennett, Herbert S; Dienstfrey, Andrew; Hudson, Lawrence T; Oreskovic, Tammy; Fuerst, Thomas; Shepherd, John

    2006-01-01

    This article reports and discusses the results of the recent ISCD-NIST Workshop on Standards and Measurements for Assessing Bone Health. The purpose of the workshop was to assess the status of efforts to standardize and compare results from dual-energy X-ray absorptiometry (DXA) scans, and then to identify and prioritize ongoing measurement and standards needs.

  8. Nuclear power and sustainable development: a vision from a developing country

    International Nuclear Information System (INIS)

    Sbaffoni, Monica; Harriague, Santiago

    2008-01-01

    From the understanding of sustainable development as 'growing assets and opening options - not foreclosing them' (IAEA, 2006a), an analysis is made on sustainability conditions for nuclear power in a developing country, based on Argentinean experience. The necessity of developing an autonomous decision-making capability and a technological-industrial infrastructure is stressed. As an example, a brief history of nuclear power in Argentina is summarized, focusing in key elements that contributed to sustainability and also pointing out some draw-backs that may have affected it. Finally, some lessons learned are presented, with the aim of sharing the experience and offering a contribution to the present debate on nuclear energy deployment in the periphery. (authors)

  9. Nuclear power in the developing world

    International Nuclear Information System (INIS)

    Poneman, D.

    1982-01-01

    This book explores the increasingly urgent issue of nuclear power policies in developing countries. It examines the motives which drive nuclear policies in the developing world and explores how security and economic objectives, domestic politics, and foreign influence shape nuclear policies, enriching the analysis with examples from South American, African and Asian experiences. (author)

  10. Steady development of the electric power industry in Azerbaijan

    International Nuclear Information System (INIS)

    Movsumov, S.H.

    2004-01-01

    Full text : Application aspects of alternative energy sources as the most comprehensible and renewable sources are considered. Among them the paramount role in fuel and energy balance of the country plays an organic fuel using of which renders an irreparable harm to an environment. Therefore application of organic fuel admits unacceptable in the industrial countries as it does not provide sufficient development of power industry. With the purpose of more expedient development of power industry conducting of increase procedures of production efficiency of the electric power, and also using additional alternative energy sources, such as a solar energy, a wind power, biomass energy and also energy of water is necessary. It is important to mark that using of renewable sources of energy reduces emission of harmful waste products on an environment. Further in this each of the marked sources are separately described, and also ways of the further development of this branch of power industry are specified [ru

  11. Development of copper bromide laser master oscillator power ...

    Indian Academy of Sciences (India)

    2014-02-09

    Feb 9, 2014 ... Development of master oscillator power amplifier (MOPA) system of copper bromide laser (CBL) operating at ... The spectral distribution of power at .... It is evident from the voltage waveforms that the breakdown voltage drops.

  12. High average power linear induction accelerator development

    International Nuclear Information System (INIS)

    Bayless, J.R.; Adler, R.J.

    1987-07-01

    There is increasing interest in linear induction accelerators (LIAs) for applications including free electron lasers, high power microwave generators and other types of radiation sources. Lawrence Livermore National Laboratory has developed LIA technology in combination with magnetic pulse compression techniques to achieve very impressive performance levels. In this paper we will briefly discuss the LIA concept and describe our development program. Our goals are to improve the reliability and reduce the cost of LIA systems. An accelerator is presently under construction to demonstrate these improvements at an energy of 1.6 MeV in 2 kA, 65 ns beam pulses at an average beam power of approximately 30 kW. The unique features of this system are a low cost accelerator design and an SCR-switched, magnetically compressed, pulse power system. 4 refs., 7 figs

  13. Promotion and financing of nuclear power programmes in developing countries

    International Nuclear Information System (INIS)

    1987-01-01

    The Director General of the International Atomic Energy Agency established in February 1986 a Senior Expert Group (SEG) on Mechanisms to Assist Developing Countries in the Promotion and Financing of Nuclear Power Programmes, which was asked: (a) To identify and analyse the problems of and constraints on nuclear power introduction/expansion in developing countries, with particular attention being paid to the problems of financing nuclear power projects; (b) To study mechanisms for dealing with the identified problems and constraints in order to assist developing countries with the promotion and financing of their nuclear power programmes, and to determine the role of the IAEA in this context. This report summarizes the Senior Expert Group's study. It also presents a number of recommendations on mechanisms to assist developing countries in promoting and financing their nuclear power programmes. 1 fig., 3 tabs

  14. Nuclear power programmes in developing countries: Promotion and financing

    International Nuclear Information System (INIS)

    Bennett, L.L.

    1987-01-01

    In 1986 the Agency's Director General established a Senior Expert Group on Mechanisms to Assist Developing Countries in the Promotion and Planning of Nuclear Power Programmes. This group, which was comprised of 20 experts with extensive experience in the topics to be studied, coming from 15 Member States plus the World Bank, was asked to: identify and analyse the problems of and constraints on nuclear power introduction/expansion in developing countries, with particular attention being paid to the problems of financing nuclear power projects; study mechanisms for dealing with the identified problems and constraints in order to assist developing countries with the promotion and financing of their nuclear power programmes and to determine the role of the IAEA in this context. This paper summarizes the Senior Expert Group's study

  15. Global developments of controls of powered roof supports

    Energy Technology Data Exchange (ETDEWEB)

    Das, S.K. [Indian School of Mines, Dhanbad (India). Centre of Longwall Mine Mechanisation

    1996-04-01

    The efficiency of hydraulic powered roof support systems mainly depends upon the efficient control and operation of hydraulic valves and their associated accessories. From 1961 to 1994 tremendous efforts had been made for the development of higher and higher efficient, reliable but simpler control systems starting from the manual hydraulic to electro-hydraulic and finally computer based electronic control system. A global survey of development of various types and design of control systems of powered roof supports has been made and many of them are highlighted in the paper for making this work a small emblem regarding the efforts of development of the controls of powered roof support systems by the global engineers of the 20th century. Many of the control systems are no longer in use and have totally vanished from this earth and many more control systems including their literatures may vanish from this world in the coming decades. This work may give a guideline regarding the selection of right type of control systems for the powered supports in future. 14 refs., 6 figs.

  16. Development and design of photovoltaic power prediction system

    Science.gov (United States)

    Wang, Zhijia; Zhou, Hai; Cheng, Xu

    2018-02-01

    In order to reduce the impact of power grid safety caused by volatility and randomness of the energy produced in photovoltaic power plants, this paper puts forward a construction scheme on photovoltaic power generation prediction system, introducing the technical requirements, system configuration and function of each module, and discussing the main technical features of the platform software development. The scheme has been applied in many PV power plants in the northwest of China. It shows that the system can produce reasonable prediction results, providing a right guidance for dispatching and efficient running for PV power plant.

  17. Customer benefit and power plant development

    International Nuclear Information System (INIS)

    Drenckhahn, W.; Riedle, K.

    2005-01-01

    In recent years, many aspects of the power market and customer needs in plant operation have been changing more rapidly than manufacturers could launch new products on the market. As a result, flexibility is required not only in the operation of power plants, but also in drawing up product specifications and in the ensuing engineering. The familiar major objectives of development work, such as low specific investment cost and high efficiency, remain important. Also in the context of reducing CO 2 emissions and trading with CO 2 certificates, improving the efficiency of power plants is a measure that, over and above today's cost optimum, represents the 'action of least regret' with a view to sustainably meeting the requirements of the Kyoto Protocol. (orig.)

  18. Thailand: Infrastructure Development and Challenges to Launch Nuclear Power Programme

    International Nuclear Information System (INIS)

    Keinmeesuke, Sirichai

    2011-01-01

    In June 2007, the cabinet passed a resolution for Thailand's Power Development Plan (PDP 2007). It was mentioned in the plan that Thailand will have 2 x 1,000 MWe nuclear power plants in 2020 and another 2 x 1,000 MWe in 2021. The PDP 2007 was revised in March 2009 and it was agreed to change the nuclear power generation to only 1 x 1,000 MWe in 2020 and 2021 respectively due to the large excess capacity at present. Many activities related to development of infrastructures in order to support electricity generation using nuclear power are being executed. Milestones for nuclear power program implementation has been developed using the IAEA document 'Milestones in the Development of a National Infrastructure for Nuclear Power' with some amendment/additions to suit the country situation. According to the schedule, a lot of activities related to infrastructure establishment, feasibility study, utility preparation and public education and participation are being performed. Within the year 2011, various issues such as legal and regulatory systems and international commitment, industrial and commercial infrastructure, technology transfer and human resource development, safety and environmental protection, public information and public acceptance, preparation of the nuclear power utility establishment, etc. must be solved out and undertaken to assure the cabinet to make final decision to go nuclear. There are many challenges for Thailand embarking of the nuclear power programme. It is essential to plan for the establishment of a regulatory body at the national level to support and regulate the nuclear power plant industry. Currently, the application for a license and the monitoring of a power plant are administered by the authorities of various agencies under different ministries; hence the process is very time-consuming and overlaps with one another. The approach that the regulatory body and the authorities to issue licenses relevant to the nuclear power plant operation

  19. Development trends in power economy and related particularities of nuclear power

    International Nuclear Information System (INIS)

    Belostockij, A.M.

    1975-01-01

    This article deals with a concept, presented by the International Institute for Applied Systems Analysis (IIASA), of future power-economic developments in the light of the energy crisis. Nuclear reactors are the foundation of the concept. The demands now made on them differ from the traditional demands as follows: whereas nuclear reactors used to be exclusively intended for generating power, they will have to serve in future for generating power and process heat. As a result of increasing shortage, natural hydrocarbons, petroleum, and natural gas will have to be replaced by synthetic hydrocarbons on the basis of coal gasification. It is expected that the process heat needed for this will be made available in good time by the HTR. (HR/LN) [de

  20. Progress in High Power Free-Piston Stirling Convertor Development

    Science.gov (United States)

    Brandhorst, Henry W., Jr.; Kirby, Raymond L.; Chapman, Peter A.; Walter, Thomas J.

    2008-09-01

    The U.S. Space Exploration Policy has established a vision for human exploration of the moon and Mars. One option for power for future outposts on the lunar and Martian surfaces is a nuclear reactor coupled with a free-piston Stirling convertor at a power level of 30-40 kWe. A 25 kW convertor was developed in the 1990s under the SP-100 program. This system consisted of two 12.5 kWe engines connected at their hot ends and mounted in tandem to cancel vibration. Recently, NASA began a new project with Auburn University to develop a 5 kWe, single convertor for use in such a possible lunar power system. Goals of this development program include a specific power in excess of 140 We/kg at the convertor level, lifetime in excess of five years and a control system that will safely manage the convertors in case of an emergency. Foster-Miller, Inc. is developing the 5 kWe Stirling Convertor Assembly. The characteristics of the design along with progress in developing the system will be described.

  1. Is rapid development of nuclear power purposeful

    Energy Technology Data Exchange (ETDEWEB)

    1977-01-01

    The questions of the development of nuclear energy are discussed with regard to the efficacy of investments. The results are given of studies carried out at the nuclear research institute in Juelich in the FRG. At the estimated 25 years' service-life of the reactor and 0.2% uranium concentration in ore the following results were obtained: Total energy consumption for the construction and operation of a light water reactor power plant makes up 4.6% of the total power production, and in high-temperature reactors it amounts to 3.5%, both with uranium enrichment by the diffusion process. In uranium enrichment by centrifugal technology, consumption drops to 1.25% for LWRms and to 0.9% for high-temperature reactors, in fast breeder reactors it makes up only 0.8% of the total power production of the nuclear power plant. The period during which a nuclear power plant produces the amount of power consumed in construction and operation is 1.2 to 2.5 months which makes it less costly and more economical than any power plant burning coal minus the negative environmental impacts of such power plants.

  2. Establishing and development of nuclear power production in the Republic of Kazakhstan

    International Nuclear Information System (INIS)

    Kadyrzhanov, K.K.; Zhotabayev, Zh.R.

    2007-01-01

    Full text: As it was stressed by the President of the Republic of Kazakhstan N. Nazarbaev in his address to people of Kazakhstan on February 28 2007, among the most important directions of domestic and foreign policy there is the need in development of power production and creation of conditions for nuclear power production. Intensive development of new and revived sectors such as machine-building, oil chemistry, nuclear, space, information, nano- and bio-technologies would inevitably require growth in power generation. That is why development of power production becomes a priority task. Growth of demand in power consumption worldwide, rise in prices for oil and natural gas, toughening of environmental regulations for utilization of organic fuel, concerns regarding energy supply security in many countries stipulate growth of interest to nuclear power production. International experience in power production shows the advantages and need in development of nuclear power production. In energy production, people currently use organic fuel, hydropower and alternative energy source; current share of nuclear production in the total rate of energy generation comprises about 17%. The Republic has considerable grounds for development of nuclear power production - well-developed uranium mining and processing National Company 'KazAtomProm' and a State Enterprise 'National Nuclear Center'. Creation of nuclear power production sector and development of nuclear power production in the country would help solving a set of inter-related problems aimed to satisfaction of demand in energy production by diversification of energy supply sources. This, in turn, would contribute to effective and balanced utilization of available mineral resources, improve export capacities of the country, assure environmental security at energy production; it would also preserve and develop science and technology in the country in the field of nuclear power production and nuclear industry. Objective and

  3. Sandia and NJ TRANSIT Authority Developing Resilient Power Grid

    Energy Technology Data Exchange (ETDEWEB)

    Hanley, Charles J. [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Ellis, Abraham [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

    2014-11-01

    Through the memorandum of understanding between the Depratment of Energy (DOE), the New Jersey Transit Authority (NJ Transit), and the New Jersey Board of Public Utilities, Sandia National Labs is assisting NJ Transit in developing NJ TransitGrid: an electric microgrid that will include a large-scale gas-fired generation facility and distributed energy resources (photovoltaics [PV], energy storage, electric vehicles, combined heat and power [CHP]) to supply reliable power during storms or other times of significant power failure. The NJ TransitGrid was awarded $410M from the Department of Transportation to develop a first-of-its-kind electric microgrid capable of supplying highly-reliable power.

  4. Recent developments in high average power driver technology

    International Nuclear Information System (INIS)

    Prestwich, K.R.; Buttram, M.T.; Rohwein, G.J.

    1979-01-01

    Inertial confinement fusion (ICF) reactors will require driver systems operating with tens to hundreds of megawatts of average power. The pulse power technology that will be required to build such drivers is in a primitive state of development. Recent developments in repetitive pulse power are discussed. A high-voltage transformer has been developed and operated at 3 MV in a single pulse experiment and is being tested at 1.5 MV, 5 kj and 10 pps. A low-loss, 1 MV, 10 kj, 10 pps Marx generator is being tested. Test results from gas-dynamic spark gaps that operate both in the 100 kV and 700 kV range are reported. A 250 kV, 1.5 kA/cm 2 , 30 ns electron beam diode has operated stably for 1.6 x 10 5 pulses

  5. Development of Solar Powered Irrigation System

    International Nuclear Information System (INIS)

    Abdelkerim, A I; Eusuf, M M R Sami; Salami, M J E; Aibinu, A; Eusuf, M A

    2013-01-01

    Development of a solar powered irrigation system has been discussed in this paper. This system would be SCADA-based and quite useful in areas where there is plenty of sunshine but insufficient water to carry out farming activities, such as rubber plantation, strawberry plantation, or any plantation, that requires frequent watering. The system is powered by solar system as a renewable energy which uses solar panel module to convert Sunlight into electricity. The development and implementation of an automated SCADA controlled system that uses PLC as a controller is significant to agricultural, oil and gas monitoring and control purpose purposes. In addition, the system is powered by an intelligent solar system in which solar panel targets the radiation from the Sun. Other than that, the solar system has reduced energy cost as well as pollution. The system is equipped with four input sensors; two soil moisture sensors, two level detection sensors. Soil moisture sensor measures the humidity of the soil, whereas the level detection sensors detect the level of water in the tank. The output sides consist of two solenoid valves, which are controlled respectively by two moistures sensors

  6. A review on the long-range strategy of nuclear power development

    International Nuclear Information System (INIS)

    An, Shigehiro; Kondo, Shunsuke; Ishida, Hiroshi.

    1979-01-01

    Nuclear power generation in Japan is proceeding steadily, such as the world's second in power generating capacity and the nation's own development of power reactors. Meanwhile, however, there are number of problems for future solution, like the establishment of nuclear fuel cycle, before nuclear energy is fully harnessed. Looking as far ahead as the 21st century, the long-range strategy of nuclear power development is reviewed: politics on uranium supply outlook, a compromise between uranium enrichment and nuclear nonproliferation, LWR technology with safety, FBR development scheme, uranium resources saving and heavy water reactor, HTGR development, a 2nd fuel reprocessing plant, high level wastes management, reactors decommissioning, research in nuclear energy development, and fostering of a nuclear power industry. (J.P.N.)

  7. Financing of power expansion for developing countries

    International Nuclear Information System (INIS)

    Friedmann, E.

    1975-01-01

    The need for a paper of this kind, which was first identified in the Operations Evaluation Report on Power of 1972, became more pressing when the increases in oil prices precipitated the development by the LDCs of more capital intensive sources of power as alternative to oil-fired thermal plants. The occasion for its preparation was the participation of Mr. Friedmann in (i) a Seminar on nuclear power development in LDCs for utility managers organized by IAEA and the Jamaican Government last June and (ii) a Scientific Afternoon on the same subject at the Nineteenth Regular Session of the General Conference of IAEA. The paper reviews the likely growth of Power/Nuclear installation in LDCs, the associated capital requirements in foreign and domestic currencies, the past and projected sources of these funds - official and private -, and points out the growing proportion of foreign borrowing and investments that would be required by the sector. The urgency of mobilizing sufficient resources is brought up. Intentionally, no implications have been drawn in this article regarding Bank policy - either for lending in the sectors or for assistance in mobilizing resources. These will be dealt with separately in cooperation with those concerned. (author)

  8. Nuclear power development around the world

    International Nuclear Information System (INIS)

    Rippon, Simon.

    1986-01-01

    In 1985, in the world as a whole, 43 power reactors with a total capacity of 42.7 GWe entered into regular commercial operation. Such is the dearth of orders, that by 1992 there may be no power reactors commissioned in the non-communist world, yet there are some encouraging prospects for the mid to late nineties. Performance, developments, prospects and political climate in the following areas are considered: USA, Western Europe, Eastern Europe, Finland, Japan, Taiwan, Republic of Korea, India, China, USSR, Egypt, Turkey and South America

  9. Competitive power development

    Energy Technology Data Exchange (ETDEWEB)

    Garrity, T.F.; Stoll, H.G. [GE Power Systems Engineering, Schenectady, NY (United States)

    1994-12-31

    Electric power is essential to economic growth and the improvement in the standard of living in modern societies. Maximizing the overall economic efficiency of electric power production can lead to even stronger economic growth. Overall electricity efficiency can be driven by utilization of the newest and most economically efficient technologies, utilization of the most efficient financial structuring, and efficient integration of coproduction of electricity and process energy. The challenge is to drive the power generation strategy toward maximum economic efficiency while improving the overall country environment emissions. This paper reviews the key power generation technologies available today and in the near future. Of key importance is the capital cost, efficiency, environmental impacts, and reliability of each technology and how these technologies can be integrated with efficient financial structurings to maximize the country power generation economic efficiency. Examples of several countries are used to show recent successes in maximizing economic efficiency.

  10. Development of Reference Training Courses for the Countries Introducing Nuclear Power

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Eui-Jin; Han, Kyong-Won; Min, Byung-Joo; Nam, Young-Mi [Korea Atomic Energy Research Institute, Daejeon (Korea, Republic of)

    2008-10-15

    Human resources development is an important issue for the countries introducing their first nuclear power plant. Countries, which are considering introducing the nuclear power programs, will have to establish their infrastructure required for such programs. Since Korea has successfully achieved her self-reliance in nuclear power technology over the last 3 decades with a rapid expansion of nuclear power program, most of the countries have been interested in the Korean experience on human resources development and also hoped to share the experiences on nuclear training and education. The purpose of this paper is to present reference training courses developed at KAERI which can be shared with countries that need an infrastructure development for nuclear power.

  11. Simulations of the development in the Nordic power market

    International Nuclear Information System (INIS)

    2002-01-01

    This report examines the development of prices, production, trade and CO 2 emission in the power markets in Scandinavia and Germany up to 2012. Simulations of a reference course indicate relatively strong growth of the power consumption. In combination with a modest development of the capacity in the short run, the growing consumption causes the prices to rise. Little by little it becomes profitable to build new gas power in Norway and Germany and a common quota market for CO 2 emissions makes it possible. Sweden and Finland will have an increasing power deficiency. The results vary in step with the variation in water supply but the adaptation is largely taken in the Nordic countries: in dry years, consumption is considerably reduced while the import from Germany increases modestly. Increasing the CO 2 tax with 150 per cent increases the prices and lowers the CO 2 emission, but not enough to comply with the Kyoto agreement. The impact of a new nuclear power plant in Finland will be less gas power and reduced emission of CO 2 in Norway. Finally, the calculations show that a scenario for which the climate goals are to be fulfilled nationally requires strong measures in the form of retrenchment on the consumer side, and the development of new capacity based on renewable energy sources in addition to scrapping and converting coal power plants

  12. SWOT of nuclear power plant sustainable development

    International Nuclear Information System (INIS)

    Abbaspour, M.; Ghazi, S.

    2008-01-01

    SWOT Analysis is a Useful tool that can he applied to most projects or business ventures. In this article we are going to examine major strengths, weaknesses, opportunities and threats of nuclear power plants in view of sustainable development. Nuclear power plants have already attained widespread recognition for its benefits in fossil pollution abatement, near-zero green house gas emission, price stability and security of energy supply. The impressive new development is that these virtues are now a cost -free bonus, because, in long run, nuclear energy has become an inexpensive way to generate electricity. Nuclear energy's pre-eminence economically and environmentally has two implications for government policy. First, governments should ensure that nuclear licensing and safety oversight arc not only rigorous but also efficient in facilitating timely development of advanced power plants. Second, governments should be bold incentivizing the transformation to clean energy economics, recognizing that such short-term stimulus will, in the case of nuclear plants, simply accelerate desirable changes that now have their own long-term momentum. The increased competitiveness of nuclear power plant is the result of cost reductions in all aspects of nuclear economics: Construction, financing, operations, waste management and decommissioning. Among the cost-lowering factors are the evolution to standardized reactor designs, shorter construction periods, new financing techniques, more efficient generation technologies, higher rates of reactor utilization, and longer plant lifetimes. U.S World Nuclear Association report shows that total electricity costs for power plant construction and operation were calculated at two interest rates. At 10%, midrange generating costs per kilowatt-hour are nuclear at 4 cents, coal at 4.7 cents and natural gas at 5.1 cent. At a 5% interest rate, mid-range costs per KWh fall to nuclear at 2.6 cents, coal at 3.7 cents and natural gas at 4.3 cents

  13. Current status of SMPRs and manpower development for nuclear power

    International Nuclear Information System (INIS)

    Dias, M.P.

    1994-01-01

    The development of SMPRs could make it possible for countries with small electrical grids to use nuclear power. SMPRs are still in the developing stages and none of them have the capability of good plant performance. Most of the SMPRs are in the 300 MWe range and a grid capacity of at least 2000 MWe would be required before such a power plant can be connected to the grid. There is a possibility that SMPRs could generate electricity cheaper coal plants requiring desulphurization. An unexpected increase in coal price and adverse environmental effects could make it necessary to use nuclear power in the future. Qualified manpower is required to plan, build and properly operate a nuclear power plant; and the availability of qualified manpower is a pre-condition for deciding to use nuclear power. There is a possibility that Sri Lanka would be able to use nuclear power in the next 15-20 years and a total dependence upon foreign expertise is neither possible nor desirable. Therefore pre-project activities should be considering such things as teaching nuclear science and engineering in the universities and retraining existing professionals, say from the coal power industry. Adequate emphasis must be given to manpower development and to the need to scheduling this development

  14. The development of the wind power industry in Quebec

    International Nuclear Information System (INIS)

    2006-05-01

    This analysis examined the current situation of wind power development in the province of Quebec and presented a qualitative assessment of the economic repercussions in terms of employment, investments and environmental and social impacts. The development of the wind power industry in Quebec gained momentum in 2003 when the provincial government expressed support for fast growth of wind power. In response, Hydro-Quebec launched an invitation to interested stakeholders to tender for 1000 MW of wind power projects to be installed between 2006 and 2012. The invitation was a great success, with more than 4000 MW of projects filed. The average price of the selected offers was 6.5 cents per kWh for 990 MW in 8 projects. The economic repercussions related to construction of wind farms in the Gaspe was discussed along with indirect and induced economic repercussions for suppliers and subcontractors in the entire province. It was noted that Quebec is already a leader in the field of electricity and wind energy consultation. Stimulated by these successes, the government of Quebec recently raised its target for wind power development to 2,500 MW. Therefore, taking into account the wind developments already supported by Hydro-Quebec, the installed wind capacity in Quebec is expected to reach more than 4000 MW by 2015, with an investment by the wind power industry of more than 5.8 billion dollars. The wind power industry is expected to generate 45,000 direct or indirect jobs for more than a 20 year period. Presently, the government of Quebec supports the establishment of a local wind market to promote free competition, energy diversity, and coexistence of key players. As its international support mechanism, Quebec chose to integrate regional economic development criteria with the price of electricity. In the long term, the wind industry could constitute a key element in Quebec's sustainable energy development plan. 9 refs., 1 tab

  15. The development and certification of Standard Reference Materials (SRMs) to assess and ensure accurate measurement of Pb in the environment.

    Science.gov (United States)

    Fassett, J D; MacDonald, B S

    2001-08-01

    The National Institute of Standards and Technology (NIST) has had a major quality-assurance role in the federal effort to reduce lead poisoning of children in the United States through its mission of ensuring the accuracy of chemical measurements. NIST certifies reference materials (standard reference materials--SRMs) that are used to benchmark measurements by secondary and field methods of analysis--to ensure that decisions of great health and economic impact are soundly based on good measurement science. Over the past 10 years, in cooperation with the US Environmental Protection Agency (EPA), US Department of Housing and Urban Development (HUD), and the United States Geological Survey (USGS), NIST has prepared and certified SRMs for lead content in soil, indoor dust, and paint. The role of these materials in meeting regulatory and abatement needs is described and their certified values are summarized.

  16. Dynamics of clean coal-fired power generation development in China

    International Nuclear Information System (INIS)

    Yue, Li

    2012-01-01

    Coal-fired power technology will play an important role over a long period in China. Clean coal-fired power technology is essential for the global GHG emission reduction. Recently, advanced supercritical (SC)/ultra-supercritical (USC) technology has made remarkable progress in China and greatly contributed to energy saving and emission reduction. This study analyzes the dynamics of SC/USC development in China from an integrated perspective. The result indicates that, besides the internal demand, the effective implementation of domestic public policy and technology transfer contributed greatly to the development of SC/USC technology in China. In future low carbon scenario, SC/USC coal-fired power technology might still be the most important power generation technology in China until 2040, and will have a significant application prospect in other developing countries. The analysis makes a very useful introduction for other advanced energy technology development, including a renewable energy technology, in China and other developing countries. - Highlights: ► The US/USC technology is the key clean coal-fired power technology in current China. ► The domestic policy and technology transfer largely contributed to their development. ► This makes a useful introduction for the development of renewable energy in China.

  17. Study on the Evolution Mechanism and Development Forecasting of China’s Power Supply Structure Clean Development

    Directory of Open Access Journals (Sweden)

    Xiaohua Song

    2017-02-01

    Full Text Available The clean development of China’s power supply structure has become a crucial strategic problem for the low-carbon, green development of Chinese society. Considering the subsistent developments of optimized allocation of energy resources and efficient utilization, the urgent need to solve environmental pollution, and the continuously promoted power market-oriented reform, further study of China’s power structure clean development has certain theoretical value. Based on the data analysis, this paper analyzes the key factors that influence the evolution process of the structure with the help of system dynamics theory and carries out comprehensive assessments after the construction of the structure evaluation system. Additionally, a forecasting model of the power supply structure development based on the Vector Autoregressive Model (VAR has been put forward to forecast the future structure. Through the research of policy review and scenario analysis, the paths and directions of structure optimization are proposed. In this paper, the system dynamics, vector autoregressive model (VAR, policy mining, and scenario analysis methods are combined to systematically demonstrate the evolution of China’s power structure, and predict the future direction of development. This research may provide a methodological and practical reference for the analysis of China’s power supply structure optimization development and for theoretical studies.

  18. Development and management of world nuclear power in 2012

    International Nuclear Information System (INIS)

    2012-01-01

    It deals with development and management of nuclear power of foreign countries by the 1st of January 2012 with tables and figures, which includes outline of investigation, operation experience of nuclear power plant of the world, the cardinal number according to the type of operating power plant of the world, using Mox of the world and site of nuclear power plant of the world. There are list of world nuclear power plant, explanation of abbreviations, address book of nuclear power plant of the world and table and figure of major nuclear fuel cycle.

  19. Developments in power plant cooling systems

    International Nuclear Information System (INIS)

    Agarwal, N.K.

    1993-01-01

    A number of cooling systems are used in the power plants. The condenser cooling water system is one of the most important cooling systems in the plant. The system comprises a number of equipment. Plants using sea water for cooling are designed for the very high corrosion effects due to sea water. Developments are taking place in the design, materials of construction as well as protection philosophies for the various equipment. Power optimisation of the cycle needs to be done in order to design an economical system. Environmental (Protection) Act places certain limitations on the effluents from the plant. An attempt has been made in this paper to outline the developing trends in the various equipment in the condenser cooling water systems used at the inland as well as coastal locations. (author). 5 refs., 6 refs

  20. Private power in developing countries: Exporting the American experience

    International Nuclear Information System (INIS)

    Rogers, W.L.; Bourgeacq, J.P.

    1990-01-01

    This paper discusses using American marketing and financing expertise and technology to meet the need for increased power production and efficiency in developing countries. The topics of the paper include the opportunity for independent power production, dangers in international development, foreign country market evaluation, the criteria for selection, and taking advantage of the opportunities

  1. Tailoring NIST Security Controls for the Ground System: Selection and Implementation -- Recommendations for Information System Owners

    Science.gov (United States)

    Takamura, Eduardo; Mangum, Kevin

    2016-01-01

    . Certain protective measures for the general enterprise may not be as efficient within the ground segment. This is what the authors have concluded through observations and analysis of patterns identified from the various security assessments performed on NASA missions such as MAVEN, OSIRIS-REx, New Horizons and TESS, to name a few. The security audits confirmed that the framework for managing information system security developed by the National Institute of Standards and Technology (NIST) for the federal government, and adopted by NASA, is indeed effective. However, the selection of the technical, operational and management security controls offered by the NIST model - and how they are implemented - does not always fit the nature and the environment where the ground system operates in even though there is no apparent impact on mission success. The authors observed that unfit controls, that is, controls that are not necessarily applicable or sufficiently effective in protecting the mission systems, are often selected to facilitate compliance with security requirements and organizational expectations even if the selected controls offer minimum or non-existent protection. This paper identifies some of the standard security controls that can in fact protect the ground system, and which of them offer little or no benefit at all. It offers multiple scenarios from real security audits in which the controls are not effective without, of course, disclosing any sensitive information about the missions assessed. In addition to selection and implementation of controls, the paper also discusses potential impact of recent legislation such as the Federal Information Security Modernization Act (FISMA) of 2014 - aimed at the enterprise - on the ground system, and offers other recommendations to Information System Owners (ISOs).

  2. Development of An On-Line, Core Power Distribution Monitoring System

    International Nuclear Information System (INIS)

    Tunc ALdemir; Don Miller; Peng Wang

    2007-01-01

    The objective of the proposed work was to develop a software package that can construct in three-dimensional core power distributions using the signals from constant temperature power sensors distributed in the reactor core. The software developed uses a mode-based state/parameter estimation technique that is particularly attractive when there are model uncertainties and/or large signal noise. The software yields the expected value of local power at the detector locations and points in between, as well as the probability distribution of the local power density

  3. Development of An On-Line, Core Power Distribution Monitoring System

    Energy Technology Data Exchange (ETDEWEB)

    Tunc ALdemir; Don Miller; Peng Wang

    2007-10-02

    The objective of the proposed work was to develop a software package that can construct in three-dimensional core power distributions using the signals from constant temperature power sensors distributed in the reactor core. The software developed uses a mode-based state/parameter estmation technique that is particularly attractive when there are model uncertainties and/or large signal noise. The software yields the expected value of local power at the detector locations and points in between, as well as the probability distribution of the local power density

  4. Development and application of automatic frequency and power control systems for large power units

    Energy Technology Data Exchange (ETDEWEB)

    V.A. Bilenko; A.D. Melamed; E.E. Mikushevich; D.Y. Nikol' skii; R.L. Rogachev; N.A. Romanov [ZAO Interavtomatika (Interautomatika AG), Moscow (Russian Federation)

    2008-07-01

    We describe the results of work carried out at ZAO Interavtomatika on the development and putting into use of a system for automatically controlling the frequency and power output of large coal-fired power units involving the retrofitting of the turbine's hydraulic automatic control system. Certificates affirming conformity to the Standard of the System Operator Centralized Dispatching Administration (SO-CDA) have been received for eight power units as an outcome of these efforts.

  5. Soft-Fault Detection Technologies Developed for Electrical Power Systems

    Science.gov (United States)

    Button, Robert M.

    2004-01-01

    The NASA Glenn Research Center, partner universities, and defense contractors are working to develop intelligent power management and distribution (PMAD) technologies for future spacecraft and launch vehicles. The goals are to provide higher performance (efficiency, transient response, and stability), higher fault tolerance, and higher reliability through the application of digital control and communication technologies. It is also expected that these technologies will eventually reduce the design, development, manufacturing, and integration costs for large, electrical power systems for space vehicles. The main focus of this research has been to incorporate digital control, communications, and intelligent algorithms into power electronic devices such as direct-current to direct-current (dc-dc) converters and protective switchgear. These technologies, in turn, will enable revolutionary changes in the way electrical power systems are designed, developed, configured, and integrated in aerospace vehicles and satellites. Initial successes in integrating modern, digital controllers have proven that transient response performance can be improved using advanced nonlinear control algorithms. One technology being developed includes the detection of "soft faults," those not typically covered by current systems in use today. Soft faults include arcing faults, corona discharge faults, and undetected leakage currents. Using digital control and advanced signal analysis algorithms, we have shown that it is possible to reliably detect arcing faults in high-voltage dc power distribution systems (see the preceding photograph). Another research effort has shown that low-level leakage faults and cable degradation can be detected by analyzing power system parameters over time. This additional fault detection capability will result in higher reliability for long-lived power systems such as reusable launch vehicles and space exploration missions.

  6. JY1 time scale: a new Kalman-filter time scale designed at NIST

    International Nuclear Information System (INIS)

    Yao, Jian; Parker, Thomas E; Levine, Judah

    2017-01-01

    We report on a new Kalman-filter hydrogen-maser time scale (i.e. JY1 time scale) designed at the National Institute of Standards and Technology (NIST). The JY1 time scale is composed of a few hydrogen masers and a commercial Cs clock. The Cs clock is used as a reference clock to ease operations with existing data. Unlike other time scales, the JY1 time scale uses three basic time-scale equations, instead of only one equation. Also, this time scale can detect a clock error (i.e. time error, frequency error, or frequency drift error) automatically. These features make the JY1 time scale stiff and less likely to be affected by an abnormal clock. Tests show that the JY1 time scale deviates from the UTC by less than  ±5 ns for ∼100 d, when the time scale is initially aligned to the UTC and then is completely free running. Once the time scale is steered to a Cs fountain, it can maintain the time with little error even if the Cs fountain stops working for tens of days. This can be helpful when we do not have a continuously operated fountain or when the continuously operated fountain accidentally stops, or when optical clocks run occasionally. (paper)

  7. Development of a large proton accelerator for innovative researches; development of high power RF source

    Energy Technology Data Exchange (ETDEWEB)

    Chung, K. H.; Lee, K. O.; Shin, H. M.; Chung, I. Y. [KAPRA, Seoul (Korea); Kim, D. I. [Inha University, Incheon (Korea); Noh, S. J. [Dankook University, Seoul (Korea); Ko, S. K. [Ulsan University, Ulsan (Korea); Lee, H. J. [Cheju National University, Cheju (Korea); Choi, W. H. [Korea Advanced Institute of Science and Technology, Taejeon (Korea)

    2002-05-01

    This study was performed with objective to design and develop the KOMAC proton accelerator RF system. For the development of the high power RF source for CCDTL(coupled cavity drift tube linac), the medium power RF system using the UHF klystron for broadcasting was integrated and with this RF system we obtained the basic design data, operation experience and code-validity test data. Based on the medium power RF system experimental data, the high power RF system for CCDTL was designed and its performed was analyzed. 16 refs., 64 figs., 27 tabs. (Author)

  8. Development of nuclear power plant Risk Monitor

    International Nuclear Information System (INIS)

    Yang Xiaoming; Sun Jinlong; Ma Chao; Wang Lin; Gu Xiaohui; Bao Zhenli; Qu Yong; Zheng Hao

    2014-01-01

    Risk Monitor is a tool to monitor the real-time risk of a nuclear power plant for risk management and comprehensive decision-making, which has been widely used all over the world. The nuclear power plant Risk Monitor applies the real-time risk model with low-complicacy that could reflect the plant's actual configuration, automatically reads the plant's configuration information from the engineering system through the developed interface, and efficiently analyzes the plant's risk Dy the intelligent parallel-computing method in order to provide the risk basement for the safety management of nuclear power plant. This paper generally introduces the background, architecture, functions and key technical features of a nuclear power plant Risk Monitor, and validates the risk result, which could well reflect the plant's risk information and has a significant practical value. (authors)

  9. Developing powers

    Science.gov (United States)

    Showstack, Randy

    Three new reports commissioned by the Pew Center on Global Climate Change examine the electric power sectors in Argentina, Brazil, and China, and the potential impact that energy use in each country has on climate change.In 1999, Argentina voluntarily agreed to lower its greenhouse gas emissions to 2 10% below projected emissions for 2012. The report looks at additional steps that could further reduce emissions, including adopting policies that favor renewable energy sources and nuclear power, and increasing energy efficiency by end-users.

  10. Exploring the new development approach of nuclear power insurance mode in China

    International Nuclear Information System (INIS)

    Zhang Dongyan

    2009-01-01

    The booming nuclear power market will bring about huge commercial opportunities for the nuclear power insurance in the future. Started from the current status and development trend of nuclear power insurance, this thesis discussed and prospected a new possible development approach of nuclear power insurance mode, which has adopted the conception of the risk management, with an aim to maintain the maximum benefit from risk management innovation to the nuclear power plants. This mode can be used to meet the expansion need of nuclear power sectors. Meanwhile, it can also promote the healthy development of the Chinese nuclear power insurance market. (authors)

  11. Seeing power in international development cooperation

    DEFF Research Database (Denmark)

    Cashmore, Matthew; Richardson, Tim; Axelsson, Anna

    2013-01-01

    is proposed, combining a governmentality perspective with Stewart Clegg's theory of circuits of power. The framework is applied in a case study of experimentation by the World Bank with a new tool for Environmental Policy Integration (EPI). Rather than conceptualising the EPI tool as a governmental technology......The aim of this paper is to sharpen the ways in which power dynamics can be analytically ‘seen’ in complex governance contexts where particular ways of governing, and their associated horizons of thought, shape and are in turn shaped by intricate interactions between actors. A theoretical approach...... through which the World Bank could promote its favoured vision of political culture in a local setting (here urban planning in Dhaka, Bangladesh), an alternative account is generated that reveals a will to power among the international development community, realised through the construction of knowledge...

  12. Development of Dual Power Multirotor System

    Directory of Open Access Journals (Sweden)

    Chin E. Lin

    2017-01-01

    Full Text Available Vertical take-off and landing (VTOL aircraft has good flight characteristics and system performance without runway. The multirotor system has been tried to expand into larger size for longer endurance or higher payload. But the motor power to endurance ratio has been limited. Due to the specific energy of gasoline being much higher than battery, introducing gasoline engine into multirotor system can be considered. This paper proposes a dual power multirotor system to combine a quadrotor using gasoline engines to provide major lift in shorter arm with another quadrotor using brushless DC motors to offer most controllable force with longer arm. System design, fabrication, and verification of the proposed dual power multirotor system development are presented. Preliminary flights have achieved 16 kg payload for long endurance flight. This is useful for various applications with advanced improvements.

  13. Kuroshio power plant development plan

    International Nuclear Information System (INIS)

    Chen, Falin

    2010-01-01

    As a country lacking energy reserves, Taiwan imports 99.2% of its energy, with only a small portion of indigenous energy, such as hydro, wind, and solar. In 2008, each Taiwanese spent 85,000 NTD dollars (1 USD ∝ 32 NTD) to purchase oil, coal, gas, and nuclear fuel from foreign countries, accounting for a total payment of 1.8 trillion NTD, more than the annual budget of the Taiwan government of 1.7 trillion NTD. In the same year, Taiwan emitted about 1% of the world's greenhouse gas (GHG), or 12 tons per person-year, ranking 18th globally. These situations in terms of energy security and carbon emission are very severe. To resolve these severe situations, harnessing the power of the Kuroshio in eastern Taiwan offers a great opportunity. The Kuroshio is a branch of the North Pacific Ocean current. Due to the westward-enhanced effect, this ocean current is strong and stable as it passes through eastern Taiwan. The flow rate is about 30 sverdrup (Sv) or 1000 times that of the Yangtze River, the average speed is 1 m/s, the flow direction is fixed to the north, and the flow path is close to the east coast of Taiwan. By precisely locating high-quality sites and implementing sequential works with careful planning, one can possibly generate exploitable power more than 30 GW. With 30 GW of clean energy, Taiwan could effectively enhance energy security, reduce GHG emission, and lower energy-purchasing cost. This paper proposes a feasibility study to explore the power of the Kuroshio. The content consists of four parts: (1) assessment of Kuroshio power reserves, (2) development of turbine generators, (3) development of turbine-anchor system, and (4) deep-sea marine engineering of turbine clusters. By integrating these technologies above, we propose a project to construct a 30 MW pilot plant. In this project, we also discuss the financial analysis and propose new regulations, environmental impact analysis, risk assessment, and other relevant issues. (author)

  14. The development of nuclear power and emergency response

    International Nuclear Information System (INIS)

    Pan Ziqiang

    2007-01-01

    Nuclear power is a safe, clean energy, which has been evidenced by the history of nuclear power development. Nuclear power is associated with very low risk but not equal to zero. Accident emergency response and preparedness is a final barrier necessary to reduce potential risks that may arise from nuclear power plants, which must be enhanced. In the course of accident emergency response and preparedness, it is highly necessary to draw domestic and foreign experiences and lessons. Lastly, the paper presents the discussions of some issues which merit attention with respect to emergency response and preparedness in China. (authors)

  15. Wind power in Taiwan: Policy and development challenges

    International Nuclear Information System (INIS)

    Liou, Hwa Meei

    2011-01-01

    The main aim of this paper is in discussing the outcome of the government's policies aimed at promoting the wind power industry. By analyzing the policies on renewable energy and the direct and indirect support mechanisms, the author reviews the achievements, limitations and strategies faced during their various stages. This research discovered that the series of measures adopted between 2000 and 2005 including installation plans, financial incentives, feed-in tariffs, export credit subsidies and R and D, helped to initiate the early steps of private investment, and allow domestic wind capacity to see stable growth. After 2005 with more clear goals set for wind energy installed capacity policies, R and D and industrial cooperation mechanisms, there was even greater breakthrough in limited market, enabling Taiwan's fledgling wind power industry to take its first steps onto the international production chain. In particular, the passing of the Renewable Energy Development Act in 2009 incited rapid growth in the domestic market as well as driving further development in the domestic wind energy industry. Overall, in current stage there is a need to get a handle on the gap still existing between international technology and market and that in Taiwan, in order to strategically develop a competitive advantage globally. - Highlights: → Taiwan wind power industries are still in the early forming stages.→ There are direct and indirect policy incentives for promoting the wind power.→ In the short term, R and D will focus on forecasting technology and on key components.→ In the mid-term, small to mid-scale wind power generators are appreciated.→ Currently, developing offshore WP, the MW WP turbine equipment is the key strategies.

  16. The privatization mosaic: International power development agendas and opportunities

    International Nuclear Information System (INIS)

    Pfeffer, J.L.

    1992-01-01

    This article examines the international trend toward private ownership of state-owned power production, transmission and distribution systems. The topics of the article include trends towards private investment in electric power systems, alternative opportunities for private sector investment, investor objectives in private power development and utility privatization, and potential investors in overseas projects

  17. Results and Systematic Studies of the UCN Lifetime Experiment at NIST

    Science.gov (United States)

    Huffer, Craig Reeves

    The neutron beta-decay lifetime is important in understanding weak interactions in the framework of the Standard Model, and it is an input to nuclear astrophysics and Big Bang Nucleosynthesis. Current measurements of the neutron beta-decay lifetime disagree, which has motivated additional experiments that are sensitive to different sets of systematic effects. An effort continues at the NIST Center for Neutron Research (NCNR) to improve the statistical and systematic limitations of an experiment to measure the neutron beta-decay lifetime using magnetically trapped UCN. In the experiment, a monoenergetic 0:89 nm cold neutron is incident on a superfluid 4He target within the minimum field region of an Ioffe type magnetic trap. Some of the neutrons are subsequently downscattered by single phonons in the helium to low energies (≈ 200 neV), and those in the appropriate spin state become trapped. The inverse process, upscattering of UCN, is suppressed by the low phonon density in the analysis, data, and systematics will be discussed. After accounting for the systematic effects the measured lifetime disagrees with the current PDG mean neutron beta-decay lifetime by about 9 of our standard deviations, which is a strong indication of unaccounted for systematic effects. Additional 3He contamination will be shown to be the most likely candidate for the additional systematic shift, which motivated the commissioning and initial operation of a heat flush purifier for purifying additional 4He. This work ends with a description of the 4He purifier and its performance.

  18. Development of a hybrid pneumatic-power vehicle

    International Nuclear Information System (INIS)

    Huang, K. David; Tzeng, S.-C.

    2005-01-01

    Many complex technologies have been developed and applied to improve the energy efficiency and exhaust emission of an engine under different driving conditions. The overall thermal efficiency of an internal-combustion engine, however, can be maintained at only about 20-30%, with aggravated problems in the design and development, such as overall difficulty, excessive time consumption or excessively high cost. For electric cars, there is still no major technological breakthrough for the rapid recharging of a large capacity battery and detection of remaining power in it. Although all currently available hybrid-power engines are able to lower the amount of exhaust emissions and the fuel consumption of the engine, they are still unable to achieve a stable and optimal running condition immediately after ignition; hence the engine's thermal-efficiency remains low. To solve the aforementioned problems, an innovative concept - a hybrid pneumatic power-system (HPPS), which stores 'flow work' instead of storing electrochemical energy of the battery - is introduced. This innovative power system not only ensures that the internal-combustion ensures optimally but also recycles the exhaust flow to propel the vehicle. The optimization of the internal-combustion and recycling of the exhaust energy can increase the vehicle's efficiency from an original 15% to 33%, an overall increase of 18%

  19. Deregulation and competitive power markets -- Its impact on developing economies

    International Nuclear Information System (INIS)

    Saran, K.

    1998-01-01

    The aim of privatization in developed countries is to encourage competition in generation and supply of power whereas the focus of developing economies is to bridge the demand supply gap by addition of capacity. However, there needs to be a reconciliation between these two apparently having conflicting objectives even in case of developing economies. In competitive power markets it is necessary that rules of the game are identified in advance and followed uniformly by all players. Existence of a ''referee'' would be necessary to regulate the game so as to ensure fair play. The regulatory institution would serve this purpose and work as a stimulator to development of privatization and competitive power markets in developing economies. Consumer interests should be of upper-most priority in the mind while establishing power markets and regulatory institutions, particularly as market forces are unfavorable to consumer interests in power shortage conditions. As competition fosters, gradually market forces take over and the ''harsh'' regulator would convert itself to a ''silent vigil referee'' so as to ensure genuine competition. The debate of deregulation vs. regulation will continue but the show must go on for building of an increasingly sound, competitive and vibrant power sector in the interest of end use consumers. The planned and phased restructuring though a delayed process is a preferred process and India is fully determined to achieve this

  20. Innovative models of power generation: the captive-collective experience of consumer participation in power development in India

    International Nuclear Information System (INIS)

    Sankar, T.L.

    1998-01-01

    While the need for power increases, and costs of generation are on the rise, developing nations face the particular challenge of developing power systems despite a lack of national and local government funds. In this paper, it is suggested that consumer participation, technical innovation, and managerial flexibility may provide the answers, and the Andhra Pradesh Gas Power Corporation Limited in India is offered as a model venture which successfully responds to the region's power and resource specifications. Through the formation of a 'captive-collective' and 'capital-cooperative' plant, a joint venture of the Andhra Pradesh State Electricity Board and some bulk industrial consumers, the respective needs of all parties were met with great success. Such large-scale power projects, set up and managed by consumers with the technical assistance of State Electricity Boards, can substantially reduce costs for consumers while engaging in technologies that reduce environmental pollution and resource degradation. Consumer participation is highlighted as the key element for positive power development, and it is argued that the success of projects such as the one undertaken in Andhra Pradesh illustrate the possibility and necessity for consumer-initiated and consumer-managed power ventures. (author)

  1. Development of a single-phase 30 m HTS power cable

    Science.gov (United States)

    Cho, Jeonwook; Bae, Joon-Han; Kim, Hae-Jong; Sim, Ki-Deok; Kim, Seokho; Jang, Hyun-Man; Lee, Chang-Young; Kim, Dong-Wook

    2006-05-01

    HTS power transmission cables appear to be the replacement and retrofitting of underground cables in urban areas and HTS power transmission cable offers a number of technical and economic merits compared to the normal conductor cable system. A 30 m long, single-phase 22.9 kV class HTS power transmission cable system has been developed by Korea Electrotechnology Research Institute (KERI), LS Cable Ltd., and Korea Institute of Machinery and Materials (KIMM), which is one of the 21st century frontier project in Korea since 2001. The HTS power cable has been developed, cooled down and tested to obtain realistic thermal and electrical data on HTS power cable system. The evaluation results clarified such good performance of HTS cable that DC critical current of the HTS cable was 3.6 kA and AC loss was 0.98 W/m at 1260 Arms and shield current was 1000 Arms. These results proved the basic properties for 22.9 kV HTS power cable. As a next step, we have been developing a 30 m, three-phase 22.9 kV, 50 MV A HTS power cable system and long term evaluation is in progress now.

  2. Public acceptance of nuclear power development in Japan

    International Nuclear Information System (INIS)

    Ohori, H.

    1977-01-01

    Although the Japanese set out to achieve the peaceful uses of atomic energy in 1956, the question of public acceptance took on serious proportions only as the development of nuclear power moved toward commercial application. A string of reactor troubles over the past few years complicated the question apparently to the point where it could scarcely be worse. It is not possible to deal with opposition movements in Japan without taking into account the background of the special national sentiment born of the people's experience of the atomic bombings, but it is also true that the people's deep-going fears of atomic energy have been increased by sensational newspaper reports, as well as internetional attacks by the opponents of nuclear development. Added to this, the ''Mutsu'' incident and other troubles have given the people distrust of the whole nuclear administration and those responsible for nuclear regulation. but, at the same time, the oil crisis of 1973 brought about an awakening of the people to the need for the development of nuclear power to solve Japan's energy problems, for Japan is seriously lacking in natural resources. An influential newspaper took samplings of public opinion in 1975 which revealed that, while 48 percent of the people expressed fears of atomic energy, 70 percent, including those who had some misgivings but still took the need for granted, said that Japan has no choice but to depend on nuclear power. The Government and industry have made long-range projections on nuclear power generation, forecasting that it will expand to 25 percent of all power generating plants by 1985, and to 35 percent by 1990. The gravest problem to be solved if this projected scale of nuclear development is to be achieved is the shortage of adequate plant sites. This can not be solved unless every effort is made to dispel the general feeling of mistrust mentioned, and to make sure that the development of nuclear power is socially accepted. It is hoped that the

  3. Some aspects of nuclear power development in Czechoslovakia

    International Nuclear Information System (INIS)

    Simandl, S.; Stefec, V.

    1986-01-01

    Some technical and economic aspects of the development of nuclear power in Czechoslovakia are discussed. Specific conditions include the high population density of the territory and related factors as well as the shortage of raw materials for the construction of technological equipment and for the construction of buildings. It is stated that projects of future nuclear power plants should use reserves, such as are available in the standard project of a WWER-1000 nuclear power plant now being used in Temelin, as against foreign nuclear power plants. This mainly includes a bigger built-up area per installed megawatt of power and a greater number of personnel for operation and maintenance. Also discussed is the world-wide growth of capital costs, of construction time and of the number of workers needed for the construction of nuclear power plants. With the exception of the V-2 nuclear power plant the construction time of Czechoslovak nuclear power plants does not exceed world average. The maximum number of workers required for construction, however, compares unfavourably with advanced capitalist countries. Operating costs in Czechoslovakia are more favourable for nuclear power plants than for coal burning power plants and pumped-storage hydroelectric plants. (Z.M.)

  4. A Practical Approach to Starting Fission Surface Power Development

    International Nuclear Information System (INIS)

    Mason, Lee

    2006-01-01

    The Prometheus Power and Propulsion Program has been reformulated to address NASA needs relative to lunar and Mars exploration. Emphasis has switched from the Jupiter Icy Moons Orbiter (JIMO) flight system development to more generalized technology development addressing Fission Surface Power (FSP) and Nuclear Thermal Propulsion (NTP). Current NASA budget priorities and the deferred mission need date for nuclear systems prohibit a fully funded reactor Flight Development Program. However, a modestly funded Advanced Technology Program can and should be conducted to reduce the risk and cost of future flight systems. A potential road-map for FSP technology development leading to possible flight applications could include three elements: 1) Conceptual Design Studies, 2) Advanced Component Technology, and 3) Non-Nuclear System Testing. The Conceptual Design Studies would expand on recent NASA and DOE analyses while increasing the depth of study in areas of greatest uncertainty such as reactor integration and human-rated shielding. The Advanced Component Technology element would address the major technology risks through development and testing of reactor fuels, structural materials, primary loop components, shielding, power conversion, heat rejection, and power management and distribution (PMAD). The Non-Nuclear System Testing would provide a modular, technology test-bed to investigate and resolve system integration issues. (author)

  5. Comparative evaluation of nuclear power in developing countries

    International Nuclear Information System (INIS)

    Obermair, G.M.

    1990-01-01

    Even in those developing countries where nuclear power is technically feasible and competitive against the alternatives, most other factors weigh heavily against the nuclear path for the next decades. This does not mean that nuclear power should be completely ruled out in the longer run. At the moment several problems of nuclear power, in particular its follow-up effects and costs, are not really solved. The results of present efforts toward their solution can probably only be judged in the 1990s. It is not now clear whether the total outcome of nuclear energy is positive, even in the industrialized countries. Any country with an evenly developed technical infrastructure and a sufficiently broad basis of intellectual and technical skills will be able to acquire the specialized nuclear knowhow within a few years. For the meantime,in the opinion of the author, national and international efforts should establish technical school and faculties, study groups should be set up that analyse the energy situation in the individual countries in depth and watch international developments in the nuclear sector. A thorough knowledge of the unresolved problems will prevent their being ignored in the intellectual fascination and political challenge of nuclear power. (author). 11 refs., 3 tabs

  6. The summary of the fundamental power development program for fiscal 1981

    International Nuclear Information System (INIS)

    Murakami, Masami

    1982-01-01

    The Power Source Development Coordination Council put tentatively the target of starting construction in fiscal 1981 at hydraulic 1,000 MW, thermal 5,000 MW and nuclear 5,000 MW, totaling 11,000 MW. Subsequently, after the coordination among the ministries and agencies concerned, the following development program was formally decided for fiscal 1981: hydraulic power 290 MW at 22 sites, thermal power 5,480 MW at 9 sites and nuclear power 1,980 MW at two sites, totaling 7,750 MW at 33 sites. This is 70 % of the tentative target. Nuclear power generation thus put in the fundamental power development program was: one BWR unit of 825 MW in Maki, Niigata Prefecture (Tohoku Electric), and two PWR units of 579 MW each in Kyowa-Tomari in Hokkaido (Hokkaido Electric). (J.P.N.)

  7. Development of power change maneuvering method for BWR

    International Nuclear Information System (INIS)

    Fukuzaki, Takaharu; Yamada, Naoyuki; Kiguchi, Takashi; Sakurai, Mikio.

    1985-01-01

    A power change maneuvering method for BWR has been proposed to generate an optimal power control maneuver, which realizes the power change operation closest to a power change demand pattern under operating constraints. The method searches for the maneuver as an optimization problem, where the variables are thermal power levels sampled from the demand pattern, the performance index is defined to express the power mismatch between demand and feasible patterns, and the constraints are limit lines on the thermal power-core flow rate map and limits on keeping fuel integrity. The usable feasible direction method is utilized as the optimization algorithm, with newly developed techniques for initial value generation and step length determination, which apply one-dimensional search and inverse-interpolation methods, respectively, to realize the effective search of the optimal solution. Simulation results show that a typical computing time is about 5 min by a general purpose computer and the method has been verified to be practical even for on-line use. (author)

  8. The feasibility of nuclear power development in the Arab world

    International Nuclear Information System (INIS)

    Boukhars, A.

    2009-01-01

    In recent years, many Arab countries have manifested an interest in the development of peaceful uses of nuclear technology. This intent, however, was viewed by many commentators through geopolitical and security lens. In contrast with this view, this paper argues for the feasibility and desirability of nuclear power development in the Arab world based on sound economic considerations and economic development needs. The first part of the paper will, therefore, examine the reasons behind the initiatives currently being developed to acquire nuclear energy. The second part will highlight the promise of nuclear power development. The concluding section will illustrate how recognition of the economic motivation for investing in nuclear power generation is important to avoid a misrepresentation of intentions. (Author)

  9. Manpower development in the US nuclear power industry

    International Nuclear Information System (INIS)

    Todreas, N.E.; Foulke, L.R.

    1985-01-01

    This paper reviews the history and current status of the university nuclear education sector and the utility training sector of the United States (US) nuclear power industry. Recently, the number of programs in the university nuclear education sector has declined, and the remaining programs are in need of both strong governmental and industrial assistance if they are to remain a stable source for educating nuclear engineers and health physicists to staff the resurgence of the nuclear power industry. The utility training sector has undergone remarkable development since the TMI-2 accident. Programs to recruit, train, and qualify the variety of personnel needed, as well as the steps to accredit these programs, are being developed on a systematic, industry-wide basis. A number of new technologies for educating and training personnel are emerging which may be used to create or improve learning environments. Manpower development for the US nuclear power industry is a shared responsibility among the universities, the nuclear utilities, and the nuclear suppliers. This shared responsibility can continue to be best discharged by enhancement of the interaction among all parties with respect to evaluating the proper level of cognitive development within the utility training program

  10. Technology development for a Stirling radioisotope power system

    International Nuclear Information System (INIS)

    Thieme, Lanny G.; Qiu, Songgang; White, Maurice A.

    2000-01-01

    NASA Glenn Research Center and the Department of Energy are developing a Stirling convertor for an advanced radioisotope power system to provide spacecraft on-board electric power for NASA deep space missions. NASA Glenn is addressing key technology issues through the use of two NASA Phase II SBIRs with Stirling Technology Company (STC) of Kennewick, WA. Under the first SBIR, STC demonstrated a synchronous connection of two thermodynamically independent free-piston Stirling convertors and a 40 to 50 fold reduction in vibrations compared to an unbalanced convertor. The second SBIR is for the development of an Adaptive Vibration Reduction System (AVRS) that will essentially eliminate vibrations over the mission lifetime, even in the unlikely event of a failed convertor. This paper presents the status and results for these two SBIR projects and also discusses a new NASA Glenn in-house project to provide supporting technology for the overall Stirling radioisotope power system development. Tasks for this new effort include convertor performance verification, controls development, heater head structural life assessment, magnet characterization and thermal aging tests, FEA analysis for a lightweight alternator concept, and demonstration of convertor operation under launch and orbit transfer load conditions

  11. Auction development for the price-based electric power industry

    Science.gov (United States)

    Dekrajangpetch, Somgiat

    The restructuring of the electric power industry is to move away from the cost-based monopolistic environment of the past to the priced-based competitive environment. As the electric power industry is restructuring in many places, there are still many problems that need to be solved. The work in this dissertation contributes to solve some of the electric power auction problems. The majority of this work is aimed to help develop good markets. A LaGrangian relaxation (LR) Centralized Daily Commitment Auction (CDCA) has been implemented. It has been shown that the solution might not be optimal nor fair to some generation companies (GENCOs) when identical or similar generating units participate in a LR CDCA based auction. Supporting information for bidding strategies on how to change unit data to enhance the chances of bid acceptance has been developed. The majority of this work is based on Single Period Commodity Auction (SPCA). Alternative structures for the SPCA are outlined. Whether the optimal solution is degenerated is investigated. Good pricing criteria are summarized and the pricing method following good pricing criteria is developed. Electricity is generally considered as a homogeneous product. When availability level is used as additional characteristic to distinct electricity, electricity can be considered a heterogeneous product. The procedure to trade electricity as a heterogeneous product is developed. The SPCA is formulated as a linear program. The basic IPLP algorithm has been extended so that sensitivity analysis can be performed as in the simplex method. Sensitivity analysis is used to determine market reach. Additionally, sensitivity analysis is used in combination with the investigation of historical auction results to provide raw data for power system expansion. Market power is a critical issue in electric power deregulation. Firms with market power have an advantage over other competitor firms in terms of market reach. Various approaches to

  12. The development situation of biomass gasification power generation in China

    International Nuclear Information System (INIS)

    Zhou, Zhaoqiu; Yin, Xiuli; Xu, Jie; Ma, Longlong

    2012-01-01

    This work presents the development situation of biomass gasification power generation technology in China and analyzes the difficulty and challenge in the development process. For China, a large agricultural country with abundant biomass resources, the utilization of biomass gasification power generation technology is of special importance, because it can contribute to the electricity structure diversification under the present coal-dominant electricity structure, ameliorate the environmental impact, provide energy to electricity-scarce regions and solve the problems facing agriculture. Up to now, China has developed biomass gasification power generation plants of different types and scales, including simple gas engine-based power generation systems with capacity from several kW to 3 MW and integrated gasification combined cycle systems with capacity of more than 5 MW. In recent years, due to the rising cost of biomass material, transportation, manpower, etc., the final cost of biomass power generation has increased greatly, resulting in a serious challenge in the Chinese electricity market even under present preferential policy for biomass power price. However, biomass gasification power generation technology is generally in accord with the characteristics of biomass resources in China, has relatively good adaptability and viability, and so has good prospect in China in the future. - Highlights: ► Biomass gasification power generation of 2 kW–2 MW has wide utilization in China. ► 5.5 MW biomass IGCC demonstration plant has maximum power efficiency of up to 30%. ► Biomass power generation is facing a serious challenge due to biomass cost increase.

  13. Appliance of software engineering in development of nuclear power plant

    Energy Technology Data Exchange (ETDEWEB)

    Baek, Y. W.; Kim, H. C.; Yun, C. [Chungnam National Univ., Taejon (Korea, Republic of); Kim, B. R. [KINS, Taejon (Korea, Republic of)

    1999-10-01

    Application of computer technology in nuclear power plant is also a necessary transformation as in other industry fields. But until now, application of software technology was not wide-spread because of its potential effect to safety in nuclear field. It is an urgent theme to develop evaluation guide and regulation techniques to guarantee safety, reliability and quality assurance. To meet these changes, techniques for development and operation should be enhanced to ensure the quality of software systems. In this study, we show the difference between waterfall model and software life-cycle needed in development of nuclear power plant and propose the consistent framework needed in development of instrumentation and control system of nuclear power plant.

  14. Appliance of software engineering in development of nuclear power plant

    International Nuclear Information System (INIS)

    Baek, Y. W.; Kim, H. C.; Yun, C.; Kim, B. R.

    1999-01-01

    Application of computer technology in nuclear power plant is also a necessary transformation as in other industry fields. But until now, application of software technology was not wide-spread because of its potential effect to safety in nuclear field. It is an urgent theme to develop evaluation guide and regulation techniques to guarantee safety, reliability and quality assurance. To meet these changes, techniques for development and operation should be enhanced to ensure the quality of software systems. In this study, we show the difference between waterfall model and software life-cycle needed in development of nuclear power plant and propose the consistent framework needed in development of instrumentation and control system of nuclear power plant

  15. Nuclear power and economic development: India

    International Nuclear Information System (INIS)

    Srinivasan, T.N.

    1983-01-01

    It is useful in discussing proliferation problems linked to nuclear power to examine the history of nuclear power in India and the development of her capacity to produce heavy water, fabricate fuel rods, and process spent fuel. The author presents the few published economic analyses of the role of nuclear energy in India's development, then discusses issues relating to the Non-Proliferation Treaty (NPT) from India's point of view. The chapter concludes with some proposals for making the NPT more attractive so that nonsignatories will reconsider their position. One step should be to instill greater confidence that scientists in nonweapons states will be able to pursue their research in nuclear physics and that their electricity planners will have access to nuclear technology if they find it economically viable. A dramatic step toward nuclear disarmament will be the voluntary renunciation of nuclear weapons by one or more of the weapons states. 18 references, 2 tables

  16. Status of NASA's Advanced Radioisotope Power Conversion Technology Research and Development

    Science.gov (United States)

    Wong, Wayne A.; Anderson, David J.; Tuttle, Karen L.; Tew, Roy C.

    2006-01-01

    NASA s Advanced Radioisotope Power Systems (RPS) development program is funding the advancement of next generation power conversion technologies that will enable future missions that have requirements that can not be met by either the ubiquitous photovoltaic systems or by current Radioisotope Power Systems (RPS). Requirements of advanced radioisotope power systems include high efficiency and high specific power (watts/kilogram) in order to meet mission requirements with less radioisotope fuel and lower mass. Other Advanced RPS development goals include long-life, reliability, and scalability so that these systems can meet requirements for a variety of future space applications including continual operation surface missions, outer-planetary missions, and solar probe. This paper provides an update on the Radioisotope Power Conversion Technology Project which awarded ten Phase I contracts for research and development of a variety of power conversion technologies consisting of Brayton, Stirling, thermoelectrics, and thermophotovoltaics. Three of the contracts continue during the current Phase II in the areas of thermoelectric and Stirling power conversion. The accomplishments to date of the contractors, project plans, and status will be summarized.

  17. Conceptual Study for development of a low power research reactor

    International Nuclear Information System (INIS)

    Park, C.; Kim, H. S.; Park, J. H.; Chae, H. T.; Lee, B. C.

    2013-01-01

    Even though the nuclear society is again facing with difficult situations after Fukusima accident, some countries still continues to consider nuclear power as one option of national energy sources and to introduce nuclear energy. As a research reactor has been regarded as a step-stone to establish infrastructures for the nuclear power development program, some countries that have plan to introduce the nuclear power energy are considering to construct a research reactor. Particularly, a low power research reactor whose main purpose is basic researches on the nuclear technology and education/training would be of interest to developing countries when taking the economy and level of science and technology into consideration. And many low power research reactors at operation are obsolescent and their numbers are decreasing. Hence, some concepts on a low power research reactor are being studied for the future needs. This paper presents the conceptual study on the basic requirements and the preliminary design features of a low power research reactor

  18. Basic strategical principles regarding Romanian power development after the year 2000

    International Nuclear Information System (INIS)

    Hotopeleanu, S.; Petrescu, C.

    1996-01-01

    This study deals with the the basic strategies for long term power planning in Romanian economy taking into account socio-economic factors, refurbishment and restructuring, having in view the requirements of free market economy transition. The main directions of this strategy refer to the development of the present power capacities based on fossil fuel burning and hydroelectric power and also to the development of nuclear power plants based on CANDU type reactors. (author) 3 tabs

  19. Sustainable development and nuclear power

    International Nuclear Information System (INIS)

    Rosen, M.

    2000-01-01

    The substantial increase in global energy consumption in coming decades will be driven principally by the developing world. Although there is some awareness on both the technical and political levels of the advantages of nuclear power, it is not a globally favored option in a sustainable energy future. This paper, after discussion of rising energy consumption, concentrates on a comparison of the environmental impacts of the available energy options. (author)

  20. Open Source Power Plant Simulator Development Under Matlab Environment

    International Nuclear Information System (INIS)

    Ratemi, W.M.; Fadilah, S.M.; Abonoor, N

    2008-01-01

    In this paper an open source programming approach is targeted for the development of power plant simulator under Matlab environment. With this approach many individuals can contribute to the development of the simulator by developing different orders of complexities of the power plant components. Such modules can be modeled based on physical principles, or using neural networks or other methods. All of these modules are categorized in Matlab library, of which the user can select and build up his simulator. Many international companies developed its own authoring tool for the development of its simulators, and hence it became its own property available for high costs. Matlab is a general software developed by mathworks that can be used with its toolkits as the authoring tool for the development of components by different individuals, and through the appropriate coordination, different plant simulators, nuclear, traditional , or even research reactors can be computerly assembled. In this paper, power plant components such as a pressurizer, a reactor, a steam generator, a turbine, a condenser, a feedwater heater, a valve, a pump are modeled based on physical principles. Also a prototype modeling of a reactor ( a scram case) based on neural networks is developed. These modules are inserted in two different Matlab libraries one called physical and the other is called neural. Furthermore, during the simulation one can pause and shuffle the modules selected from the two libraries and then proceed the simulation. Also, under the Matlab environment a PID controller is developed for multi-loop plant which can be integrated for the control of the appropriate developed simulator. This paper is an attempt to base the open source approach for the development of power plant simulators or even research reactor simulators. It then requires the coordination among interested individuals or institutions to set it to professionalism. (author)

  1. DIII-D power supply, design, and development

    International Nuclear Information System (INIS)

    Nerem, A.

    1995-02-01

    An overview of the DIII-D power supply system with information details concerning the configuration, power ratings, acquisition costs, and cost scaling relevant to the design of ITER and other tokamaks is presented. The power supplies for the DIII-D tokamak were installed and commissioned during the late 1970's and the beginning of the 1980's. Several upgrades have been implemented during the last two years to solve increasing reliability problems encountered as the equipment aged, to provide enhanced operational flexibilities, and to enable operation at the higher power levels needed to provide experimental data relevant to the ITER and TPX design activities. These upgrades ranged from redesign of the power supply control systems to the replacement of vacuum circuit breakers which had become unreliable in service. A new interlock and protection system has also been implemented using the latest programmable logic controllers (PLC) and computer technology. These upgrades have been highly successful and are described to provide insight to many issues in the specification of high power converters. Power supply models used in the design of the DIII-D Plasma Control System are also described along with model verification test data. These models are being used in the development of a new advanced plasma control system for the DIII-D tokamak. Recent operational experience and results are presented

  2. Considerations on technology transfer process in nuclear power industry for developing countries

    International Nuclear Information System (INIS)

    Castro, I.P.

    2000-01-01

    Nuclear know-how cannot possibly be developed globally in developing countries, so technology transfer is the only conceivable way to make nuclear power accessible to these countries. Technology transfer process accounts for three mayor steps, namely acquisition, assimilation and diffusion, so a serious nuclear power program should comprise all of them. Substantial national efforts should be made by developing countries in financial, industrial, scientific, organizational and many other aspects in order to succeed a profitable technology transfer, but developing countries cannot make it by themselves. Finance is the biggest problem for developing world nuclear power projects. Human resource qualification is another important aspect of the nuclear power technology transfer, where technology receptor countries should prepare thousands of professionals in domestic and foreign schools. Challenge for nuclear power deployment is economical, but also social and political. Developed countries should be open to cooperate with developing countries in meeting their needs for nuclear power deployment that should be stimulated and coordinated by an international body which should serve as mediator for nuclear power technology transfer. This process must be carried out on the basis of mutual benefits, in which the developed world can exploit the fast growing market of energy in the developing world, but with the necessary condition of the previous preparation of our countries for this technology transfer. (author)

  3. Developing Interpretive Power in Science Teaching

    Science.gov (United States)

    Rosebery, Ann S.; Warren, Beth; Tucker-Raymond, Eli

    2016-01-01

    Early career teachers rarely receive sustained support for addressing issues of diversity and equity in their science teaching. This paper reports on design research to create a 30 hour professional development seminar focused on cultivating the interpretive power of early career teachers who teach science to students from historically…

  4. Taking professional advantages, and pushing forward the development of nuclear power actively and steadily

    International Nuclear Information System (INIS)

    Wang Yingsu

    2010-01-01

    This paper introduces the efforts of Huaneng Nuclear Power Development Co., Ltd. HTR-building, commercial nuclear power plant construction, nuclear power plant sitting and other aspects since its establishment; points out the deficiencies of Huaneng nuclear power in management, talent pool and nuclear safety culture; says Huaneng Nuclear Power Development Co., Ltd. should accumulate experience through carrying out nuclear power projects, should participate nuclear power construction more widely through sharing nuclear power construction projects, and carries on the development programs of projects development of nuclear power related industries. (author)

  5. High-Power Hall Propulsion Development at NASA Glenn Research Center

    Science.gov (United States)

    Kamhawi, Hani; Manzella, David H.; Smith, Timothy D.; Schmidt, George R.

    2014-01-01

    The NASA Office of the Chief Technologist Game Changing Division is sponsoring the development and testing of enabling technologies to achieve efficient and reliable human space exploration. High-power solar electric propulsion has been proposed by NASA's Human Exploration Framework Team as an option to achieve these ambitious missions to near Earth objects. NASA Glenn Research Center (NASA Glenn) is leading the development of mission concepts for a solar electric propulsion Technical Demonstration Mission. The mission concepts are highlighted in this paper but are detailed in a companion paper. There are also multiple projects that are developing technologies to support a demonstration mission and are also extensible to NASA's goals of human space exploration. Specifically, the In-Space Propulsion technology development project at NASA Glenn has a number of tasks related to high-power Hall thrusters including performance evaluation of existing Hall thrusters; performing detailed internal discharge chamber, near-field, and far-field plasma measurements; performing detailed physics-based modeling with the NASA Jet Propulsion Laboratory's Hall2De code; performing thermal and structural modeling; and developing high-power efficient discharge modules for power processing. This paper summarizes the various technology development tasks and progress made to date

  6. Strategic Role of Financial Institutions in Sustainable Development of Indian Power Sector

    Energy Technology Data Exchange (ETDEWEB)

    Garg, V K

    2007-07-01

    Paper focuses on appraisal of Indian power sector, its achievements and inadequacies, measures and initiatives taken by Government of India (GOI) and blueprint for the development of power sector in next five years i.e. XI Plan (2007-2012); the role played by various Financial Institutions, Banks, Bilateral/Multilateral agencies etc. with focus on role of Power Finance Corporation (PFC) in development and financing of Indian Power sector and in Institutional development of State power utilities by facilitating in their reform and restructuring process and improving their financial health; role played by PFC in implementation of various policies and programmes of GOI; its competitive edge in Indian financial sector and growth strategies for enriching the stakeholders' value and acting as a significant partner in the development of power sector and growth of the nation. The paper provides information on capacity addition planned along with matching transmission and distribution system in the next five years to achieve GOI's 'Mission 2012: Power for All'; estimated funds required; funds that can be generated both in the form of Debt and Equity; the funding gap; proposed measures to meet overall funding requirement for sustainable development of the power sector. (auth)

  7. Power sector development in Malaysia and energy concerned policy

    Energy Technology Data Exchange (ETDEWEB)

    Husin, Z.A. (Tenaga Nasional Berhad, Kuala Lumpur (Malaysia). Connaught Bridge Power Station)

    1994-03-01

    Discusses privatisation of the Malaysian electric power industry, the role of natural gas and coal in the power sector, and intra-ASEAN power development. At present Malaysia has only one coal-fired power plant - the Sultan Salahuddin Abdul Aziz (SSAA) power station in Kapar - consisting of 2 x 300 MW units. Expansion of the plant by the addition of 2 x 500 MW units is in the final stage of contract awards. Apart from this there are no immediate plans for other coal-fired power plants in Peninsular Malaysia. A number of small capacity coal-fired units are being planned for Sabah and Sarawak, where the bulk of Malaysia's coal resources are located.

  8. Human Resource Development for Nuclear Power Programme in Uganda

    International Nuclear Information System (INIS)

    Henry, Ovona

    2014-01-01

    Conclusions: Despite the effort by the Government to ensure reliable and available access to electricity which is crucial to the socio – economic development, the use of hydro power, biomass and oil, geothermal and peat alone would not meet the target of the vision 2040. There is need to identifies nuclear energy as a potential option for meeting the energy deficit. Development of nuclear energy for power generation needs decision making, preparation and preparatory work which involve human resource development process, strengthening the legislation and regulatory framework, stakeholders’ involvement and public acceptance campaign

  9. Transferability of ASTM/NIST alanine-polyethylene recipe at ISS. American Society for Testing and Materials/National Institute for Standards and Technology. Istituto Superiore de Sanita

    Science.gov (United States)

    De Angelis C; Fattibene; Onori; Petetti; Bartolotta; Sansone Santamaria A

    2000-05-01

    Alanine-polyethylene solid state dosimeters were prepared at Istituto Superiore di Sanita (ISS) following the recipe proposed by National Institute of Standards and Technology (NIST) with the goal of testing its transferability. Dosimeters were prepared using 95% alanine and 5% polyethylene, by weight. They are rugged and of increased sensitivity, repeatability and reproducibility as respect to the ISS alanine-paraffin pellets. Reproducibility of about 1% was obtained at 10 Gy and at 3 Gy if one single pellet or a stack of five dosimeters were used, respectively.

  10. Capital goods for energy development: power equipment for developing countries

    International Nuclear Information System (INIS)

    Parikh, J.K.

    1986-01-01

    Questions of energy policy in developing countries are considered, with the goal of 'evolution from exports to indigenization' i.e. independence. Levels of technologies are considered in relation to the resources of each country. Nuclear power is considered among other energy sources. (G.Q.)

  11. Exploitation of Renewable Energy--A Strategic Choice for Sustainable Development of Power Industry

    Institute of Scientific and Technical Information of China (English)

    Zhou Dabing

    2005-01-01

    Since China is being faced with the pressure of energy shortage and environmental conservation, the power industry in China has to actively develop the renewable energy for electricity generation while raising the utilization efficiency of conventional energy. In view of such facts, China Guodian Corporation decided on a development strategy of giving priority to green power, such as wind power. Based on the national planning of wind power development, the corporation set out its own target of installing wind power capacity of 1500 MW by the end of 2010, and is adopting appropriate measures including promoting the localization of wind turbines and developing hydropower, thermal power and wind power simultaneously. Moreover, it put some relevant suggestions.

  12. Status of superconducting power transformer development

    Energy Technology Data Exchange (ETDEWEB)

    Johnson, R.C.; McConnell, B.W.; Mehta, S.P. [and others

    1996-03-01

    Development of the superconducting transformer is arguably the most difficult of the ac power applications of superconductivity - this is because of the need for very low ac losses, adequate fault and surge performance, and the rigors of the application environment. This paper briefly summarizes the history of superconducting transformer projects, reviews the key issues for superconducting transformers, and examines the status of HTS transformer development. Both 630-kVA, three-phase and 1-MVA single phase demonstration units are expected to operate in late 1996. Both efforts will further progress toward the development of economical and performance competitive superconducting transformers.

  13. The development of electric power/energy trading in Norway

    International Nuclear Information System (INIS)

    Engebretsen, J.D.

    1992-01-01

    One of the main aims of the Norwegian government is to make the electric power market more effective. A new energy law has been passed and other initiatives have been taken which have altered the framework of the conditions for electricity production and sales in Norway. The proposition for trading electric power and the development of new policies for calculating transmission tariffs has been dealt with in addition to plans for the extent of the development of hydroelectric power. Norway is the world's sixth largest producer of hydroelectricity. The domestic supply of electricity is described as well as the nature of the reorganization of the transmission of electricity and Norwegian foreign trade proposals within this area. The government is interested in taxing with regard to production instead of on the power itself in order to stimulate better energy economy. It is important that this will have a neutral effect between export and domestic consumption when contract sales to abroad are initiated. A more efficient electric power market will profit Norwegian society. Statistical data are included. (AB)

  14. Development of the power control system for semiconductor lasers

    International Nuclear Information System (INIS)

    Kim, Kwang Suk; Kim, Cheol Jung

    1997-12-01

    For the first year plan of this program, we developed the power control system for semiconductor lasers. We applied the high-current switching mode techniques to fabricating a power control system. Then, we investigated the direct side pumping techniques with GaA1As diode laser bars to laser crystal without pumping optics. We obtained 0.5W average output power from this DPSSL. (author). 54 refs., 3 tabs., 18 figs

  15. Strategic Role of Financial Institutions in Sustainable Development of Indian Power Sector

    Energy Technology Data Exchange (ETDEWEB)

    Garg, V.K.

    2007-07-01

    Paper focuses on appraisal of Indian power sector, its achievements and inadequacies, measures and initiatives taken by Government of India (GOI) and blueprint for the development of power sector in next five years i.e. XI Plan (2007-2012); the role played by various Financial Institutions, Banks, Bilateral/Multilateral agencies etc. with focus on role of Power Finance Corporation (PFC) in development and financing of Indian Power sector and in Institutional development of State power utilities by facilitating in their reform and restructuring process and improving their financial health; role played by PFC in implementation of various policies and programmes of GOI; its competitive edge in Indian financial sector and growth strategies for enriching the stakeholders' value and acting as a significant partner in the development of power sector and growth of the nation. The paper provides information on capacity addition planned along with matching transmission and distribution system in the next five years to achieve GOI's 'Mission 2012: Power for All'; estimated funds required; funds that can be generated both in the form of Debt and Equity; the funding gap; proposed measures to meet overall funding requirement for sustainable development of the power sector. (auth)

  16. Development of the power system for accelerator

    International Nuclear Information System (INIS)

    Kwon, Hyeokjung; Kim, D. I.; Kim, H. S.; Park, B. S.; Seol, K. T.; Yun, S. P.; Song, Y. G.; Jang, J. H.; Cho, Y. S.

    2013-02-01

    The 100-MeV proton linac needs 4 modulators whose specification is as follows, -115kV, 55A, and 9%. The development of the modulators were successfully finished and installed at Gyeongju site of KAERI. One of them was used and successfully tested in the 20-MeV linac operation at Daejeon site. The klystron is used to supply the high power RF into the accelerating structure. There are 2 klystrons for 20-MeV part of the linac and 7 klystrons from 20-MeV to 100-MeV region. The maximum voltage is ?105kV, the peak power is 1.6 MW, and the duty is 9%. All of the 7 klystrons have been fabricated, tested and installed. The high power RF system includes circulators, dummy lodes, RF windows, and wave-guides. The development of the high power RF components was finished and they were installed at the Gyeongju site. The 11 sets of RCCS (resonant control cooling system) will be used to control the cooling water temperature inside the accelerating structure. The temperature range of the cooling water covers between 21 .deg. C and 33 .deg. C with the 0.1 .deg. C control. All RCCSs were installed in the klystron gallery. Purposes of the 20-MeV linac operation at Daejeon site of KAERI (2007∼2011) are to supply proton beams to user, to porve the accelerator performance, to test the developed components including LLRF, diagnostics, and control system, and to measure the proton beam properties. During the period, the total number of samples reaches to 1,603 and the average machine availability becomes 96.2%. The 20-MeV linac was disassembled, moved and installed at Gyeongju site after finishing the test operation

  17. Development of Dalaelven hydro power scheme in Sweden

    International Nuclear Information System (INIS)

    Kokko, Voitto; Hjerthen, Peter; Ingfaelt, Hans; Loewen, Karl-Erik; Sjoegren, Arne

    2015-01-01

    The Dalaelven hydro scheme is located in central Sweden. Fortum has in the scheme 50 dams and 35 hydro power plants producing 4 TWh energy with a capacity of 970 MW. The main reservoirs are Lake Siljan and Traengsletsjoen with Traengslet dam, the highest earth-filled dam in Sweden. Development of the hydro scheme started 1878 with construction of four power plants for industry until 1930. From 1931 to 1974 15 power plants were built for increasing electricity consumption. De-regulation of the energy market in 1990's and EU environmental targets in 2000's resulted in the rehabilitation of ten power plants between 1990 and 2014 with increased annual energy production of 377 GWh (29%) and capacity 124 MW (59%). This energy decreases the annual CO 2 emissions with 125918 tons in comparison to production of the same amount of energy by coal. In several cases the rehabilitation was made in new power houses, allowing the development of the layout and technology of civil structures, and use of state-of-art equipment. Sweden uses the green certificate system, and 235 GWh of the energy received this certificate. Other environmental benefits come from use of the environmentally friendly Kaplan turbines and construction of some new fish pass. There are further plans to increase the spillway capacity of Traengslet dam and to rehabilitate eight power plant units. The possibilities of obtaining the Environmental licences for the rehabilitations has became challenging in the past years and green certificates are nowadays agreed only for increased energy. (authors)

  18. Development of a Cost Effective Power Generation System: An Overview

    Directory of Open Access Journals (Sweden)

    Shiv Prakash Bihari

    2016-03-01

    Full Text Available This paper presents an overview on development of cost effective power generation system and motivates for development of a model for hybrid system with wind to investigate the combined operation of wind with different sources to cater to wind’s stochastic nature for imbalance minimization and optimal operation. Development of model for trading power in competitive electricity market and development of strategies for trading in electricity markets (wind energy and reserves markets to investigate the effects of real time pricing tariffs on electricity market operation has been illustrated in this paper. Dynamic modelling related studies to investigate the wind generator’s kinetic energy for primary frequency support using simulink and simulation studies on doubly fed induction generator to study its capability during small disturbances / fluctuations on power system have been described.

  19. Challenges and Opportunities in Launching New Nuclear Power Programs in Developing Countries

    International Nuclear Information System (INIS)

    Kim, Hak-Gyun

    2011-01-01

    As a consequence of the 1st and 2nd oil shock during the 1970's, nuclear power generation was considered as the most economical energy source. After that, new nuclear power programs began showing a downward trend due to public opinion against nuclear power as a result of large-scale accidents such as the Three Mile Island accident of 1979, the Chernobyl nuclear disaster, and antinuclear power generation movements by environmental organizations. However, according to a recent IAEA report, 300 more nuclear power plants will be constructed worldwide by 2030. In the case of the U.S.A., the construction permits for 26 new nuclear power plants have been filed from 2007. It is considered the green light for 'The Golden Years of Nuclear Energy.' There are various requirements for the development of a country, and among them one of the most important elements is securing economical and good quality energy sources. Securing economical energy sources concerns mankind itself, setting aside matters of individual countries. Especially for developing countries striving for economic development, securing stable and economical energy sources is on their top priority list in order to realize sustainable economic development. Contrary to the fact that developed countries such as the U.S.A, England, Germany, France, Russia, Japan and Korea have advanced nuclear technology, developing countries are heavily dependent on energy sources with unstable supply, high prices, and great environmental pollution such as coal and oil. In 1959 when the national per capita income was between 70 and 80 dollars, the Korea Atomic Energy Research Institute was opened and within 50 years Korea has become the world's 6th largest nuclear power generating country. I will suggest solutions to the problems of introducing new nuclear power programs in developing countries with the basis of Korea's experience on exemplary nuclear power programs development.

  20. Development of an HTS hydroelectric power generator for the hirschaid power station

    Energy Technology Data Exchange (ETDEWEB)

    Fair, Ruben; Lewis, Clive; Eugene, Joseph; Ingles, Martin, E-mail: ruben.fair@converteam.co [Advanced Technology Group, Converteam, Rugby, CV21 1BD (United Kingdom)

    2010-06-01

    This paper describes the development and manufacture of a 1.7MW, 5.25kV, 28pole, 214rpm hydroelectric power generator consisting of superconducting HTS field coils and a conventional stator. The generator is to be installed at a hydro power station in Hirschaid, Germany and is intended to be a technology demonstrator for the practical application of superconducting technology for sustainable and renewable power generation. The generator is intended to replace and uprate an existing conventional generator and will be connected directly to the German grid. The HTS field winding uses Bi-2223 tape conductor cooled to about 30K using high pressure helium gas which is transferred from static cryocoolers to the rotor via a bespoke rotating coupling. The coils are insulated with multi-layer insulation and positioned over laminated iron rotor poles which are at room temperature. The rotor is enclosed within a vacuum chamber and the complete assembly rotates at 214rpm. The challenges have been significant but have allowed Converteam to develop key technology building blocks which can be applied to future HTS related projects. The design challenges, electromagnetic, mechanical and thermal tests and results are presented and discussed together with applied solutions.

  1. Manpower development for the nuclear power programme in Bangladesh

    International Nuclear Information System (INIS)

    Hossain, A.; Rahman, M.A.; Quaiyum, M.A.

    1978-01-01

    Surveys undertaken in the early sixties established that nuclear power had a great potential for meeting energy demands in Bangladesh. Therefore, since then the development of the requisite manpower for producing nuclear power in the country has been supported by the authorities. Through the co-operation of the IAEA and national and international agencies, Bangladesh has been able to create a corps of scientists and engineers trained at M.Sc. and Ph.D. levels in various nuclear science and technology disciplines. Some are professional nuclear engineers who have participated in the planning, safety evaluation, construction, commissioning and the subsequent operation of nuclear power plants. This paper reviews the present activities and the future plans for developing qualified manpower for Bangladesh's nuclear power programme. The difficulties in developing skilled manpower are also discussed. Overall manpower requirements have been evaluated. It has been found that in certain areas, such as quality control and quality assurance, BAEC has no trained personnel, and existing trained manpower falls short in requirements. Hence, recruitment is being done and training in selected areas is being arranged under different IAEA and bilateral assistance programmes, and a national nuclear training institution with adequate facilities is being established. (author)

  2. Development of small and medium reactors for power and heat production

    International Nuclear Information System (INIS)

    Becka, J.

    1978-01-01

    Data are given on the current state of development of small and medium-power reactors designed mainly for electric power production in small power grids, for heat production for small- and medium-power desalination plants with possible electric power generation, for process steam production and heat development for district heating systems, again combined with electric power generation, and for propelling big and fast passenger ships. A diagram is shown of the primary system of an integrated PWR derived from the Otto Hahn reactor. The family is listed of the standard sizes of the integral INTERATOM company pressurized water reactors. Also listed are the specifications and design of CAS 2CG and AS 3G type reactors used mainly for long-distance heating systems. (J.B.)

  3. Deepening structural reform, and speeding up self-reliant nuclear power development

    International Nuclear Information System (INIS)

    Wang Binghua

    2010-01-01

    Combining the implementation practices of the strategy on self-reliant development of the third generation nuclear power plant, the paper set forth that speeding up self-reliant nuclear power development has strategic significance to the national economy and the people's livelihood, which need further deepening structural reform and nuclear power structural reform with an aim to enhance the international competitiveness of China's nuclear industry. (author)

  4. State program on scientific support of nuclear power development in Belarus

    International Nuclear Information System (INIS)

    Mikhalevich, A.

    2010-01-01

    Following the decision on NPP construction in Belarus, the Organization on Technical and Scientific Support of Nuclear Power Development (Joint Institute of Power and Nuclear Research - 'Sosny') has been nominated. In 2009, the Government adopted the State Program on Scientific Support of Nuclear Power Development in the Republic of Belarus for period up to 2020. The paper reviews activities implemented within the framework of this Program. (author)

  5. The nuclear power development program of south-east asian countries

    International Nuclear Information System (INIS)

    Yang, Maeng Ho; Lee, Tae Jun; Lee, Byung Jun

    1996-08-01

    The objective of this study is to investigate the status of nuclear policy environments and nuclear power programmes of South-east Asian countries which are emerging as major markets in the international nuclear industry. To do this, the study investigated seven South-east Asian countries which are especially expected to strengthen nuclear cooperation with our country : China, Indonesia, Thailand, Malaysia, Vietnam, India and the Philippines. Considering the above, the study concentrated upon the status and the environment of nuclear development, as well as its planning and regulatory structure including energy resource environments, energy development policy and planning, and the major problems in nuclear power development encountered by those counties. This study could be used to develop the national policy of nuclear technological cooperation and nuclear business with South-east Asian countries, which will be expected to develop active nuclear power programmes int eh future. 41 tabs., 9 figs., 49 refs. (Author)

  6. The nuclear power development program of south-east asian countries

    Energy Technology Data Exchange (ETDEWEB)

    Yang, Maeng Ho; Lee, Tae Jun; Lee, Byung Jun [Korea Atomic Energy Research Institute, Taejon (Korea, Republic of)

    1996-08-01

    The objective of this study is to investigate the status of nuclear policy environments and nuclear power programmes of South-east Asian countries which are emerging as major markets in the international nuclear industry. To do this, the study investigated seven South-east Asian countries which are especially expected to strengthen nuclear cooperation with our country : China, Indonesia, Thailand, Malaysia, Vietnam, India and the Philippines. Considering the above, the study concentrated upon the status and the environment of nuclear development, as well as its planning and regulatory structure including energy resource environments, energy development policy and planning, and the major problems in nuclear power development encountered by those counties. This study could be used to develop the national policy of nuclear technological cooperation and nuclear business with South-east Asian countries, which will be expected to develop active nuclear power programmes int eh future. 41 tabs., 9 figs., 49 refs. (Author).

  7. The outlook for nuclear power development in Japan

    International Nuclear Information System (INIS)

    Hiraiwa, Gaishi

    1987-01-01

    The world economy has entered a new stage of growth--albeit low growth--following painful adjustments in the wake of past oil crises. At the same time, energy demand is expanding at an even slower rate, due to the structural changes in industry and improved efficiency in energy use. Furthermore, progress in the development of alternative energies and technical innovations in both the supply and use of energy have sharpened competition between energy sources. We also aim to improve even further the economy of nuclear power, within the bounds of safety and reliability, to minimize electric power generation costs by optimizing the total system for nuclear power generation including the nuclear fuel cycle. In Japan's long-term strategy for the development of nuclear power, our basic plan is to switch from light-water reactors to fast-breeder reactors (FBR), as the latter use plutonium most efficiently. Every effort is being made to have FBR reactors up and running at an early date. However, given the outlook for the development of their technology and the supply and demand situation for uranium, we estimate that this won't be achieved until 2020 or 2030. With this timetable in mind, it will be important to prepare for the coming age of FBR by mastering the technologies of and establishing the foundation necessary for plutonium utilization. To this end, we plan to expand our use of plutonium to an appropriate scale, at the earliest possible date. (J.P.N.)

  8. Survey, design, development, and installation of micro hydel power generation

    International Nuclear Information System (INIS)

    Ijaz, M.

    2011-01-01

    This paper presents the survey, design, development and installation Of micro hydel power generation using low head Kaplan water turbine. Electricity production from hydro power has been and still is today, the first renewable source used to generate electricity. The development of energy from renewable is very important step in reduction of carbon emissions(CO/sub 2/).

  9. Transforming the Nigerian power sector for sustainable development

    International Nuclear Information System (INIS)

    Gatugel Usman, Zubairu; Abbasoglu, Serkan; Tekbiyik Ersoy, Neyre; Fahrioglu, Murat

    2015-01-01

    Nigeria has been plagued with acute power shortages due to poor performance of its power sector. Several policies and reforms have been implemented by the government to address the poor performance of the power generation, transmission and distribution sectors of the electricity industry. Also various strategies were employed by the government which includes encouraging private sector participation, diversification of the energy generation sources and promoting energy efficiency for sustainable development. In addition the government has spent billions of dollars since 2001 in the construction of new power generation facilities, transmission lines and distribution centers to boost the power supply. It has deregulated the generation and distribution sectors to encourage private sector participation and empowers the Energy Commission of Nigeria to embark on programs and strategies that can boost energy generation from renewable sources. This paper examined the country's energy sources and the power sector reforms adopted by the government. The paper also outlined some recommendations based on reforms implemented by other countries with similar resources to Nigeria which yielded positive results. - Highlights: • Available resources for power generation in Nigeria. • Power sector challenges, policies and reforms. • Implications of the reforms implemented. • Recommendations for improving the sector's performance.

  10. Life cycle assessment for coordination development of nuclear power and electric vehicle

    International Nuclear Information System (INIS)

    Liu Hong; Wang Yingrong

    2010-01-01

    Energy, environment and climate change have become focus political topics. In this paper, the life cycle assessment for cooperation development of nuclear power and electric vehicle were analyzed from the view of energy efficiency and pollutant emissions. The assessment results show that the pathway of nuclear power coupled with electric vehicle is better than coal electric power coupled with electric vehicle and normal gasoline coupled with internal combustion engine powered vehicle in terms of the environmental and energy characteristics. To charge the electric vehicle, instead of water power station, can safeguard the stable operation of nuclear power station. The results could provide consulted for coordination development of nuclear power, electric vehicle and brain power electric net. (authors)

  11. Bearable development: the last chance for nuclear power

    International Nuclear Information System (INIS)

    Damian, M.

    1994-01-01

    The nuclear recession is deep, long-lived, and already getting on in years. The great divide in worldwide program developments goes back to the beginning of the seventies. Medium-term nuclear programs are now becoming less and less ambitious, and no sharp upturn can be expected on the time scale of a generation. It seems that, to maintain the nuclear option any farther into the future than that, the minimum prerequisite will be for all the power and industrial activities concerned to integrate the environmental and social costs. Paradoxically, the growing movement in search of a more ''bearable'' development might be the last chance for nuclear power. (author). 39 refs

  12. Power conditioning development for the National Ignition Facility

    International Nuclear Information System (INIS)

    Newton, M.A.; Larson, D.W.; Wilson, J.M.; Harjes, H.C.; Savage, M.E.; Anderson, R.L.

    1996-10-01

    The National Ignition Facility (NIF) is a high energy glass laser system and target chamber that will be used for research in inertial confinement fusion. The 192 beams of the NIF laser system are pumped by over 8600 Xenon flashlamps. The power conditioning system for NIF must deliver nearly 300 MJ of energy to the flashlamps in a cost effective and reliable manner. The present system design has over 200 capacitive energy storage modules that store approximately 1.7 MJ each and deliver that energy through a single switch assembly to 20 parallel sets of two series flashlamps. Although there are many possible system designs, few will meet the aggressive cost goals necessary to make the system affordable. Sandia National Laboratory (SNL) and Lawrence Livermore National Laboratory (LLNL) are developing the system and component technologies that will be required to build the power conditioning system for the National Ignition Facility. This paper will describe the ongoing development activities for the NIF power conditioning system

  13. Results from the Macedonian power system development planning

    International Nuclear Information System (INIS)

    Volkanovski, A.; Bosevski, T.; Todorovski, M.

    2000-01-01

    In this paper we present the results from the development planning of the Macedonian power system for the period 2001-2020. Taking into account the fact that one can not consider construction of new power generating units on domestic lignite due to its shortage, development of the national power system can be supported by utilisation of hydro potential, natural gas within the capabilities of the existing gas pipeline and nuclear energy. The crucial year in the planning period will be the year when reduction of the lignite utilisation in the existing thermal plants will take place, which will cause construction of new units with significant capacities. We have analysed two possibilities for inclusion od nuclear plant, optimal based on the economical criteria and forced with delay of the on-line year of the nuclear plant starting from the optimal year for its construction (2014 which was obtained from the WASP optimisation procedure) and ending with the year 2021 (one year beyond the study period). (author)

  14. Community leaders' perspectives on socio-economic impacts of power-plant development

    International Nuclear Information System (INIS)

    Hastings, M.; Cawley, M.E.

    1981-01-01

    The primary focus of this research effort was to identify and measure the socioeconomic impacts of power plant development on non-metropolitan host communities. A mail survey, distributed to community leaders in 100 power plant communities east of the Mississippi River, was utilized to gather information from 713 respondents. Community leaders were questioned as to the plant's impact on (a) community groups, (b) aspects of community life, (c) overall community acceptance and (d) attitudes toward power plant development. Overall, the trends and patterns of plant impact on the host communities were found to be largely positive. Specifically, local employment opportunities were generally enhanced with the advent of the power plant. Directly related to power plant development was the overall improvement of the local economic situation. Off-shoots from such in the economic area included related general improvements in the community quality of life. While the vast majority of community leaders responded with positive comments on power plant presence, adverse impacts were also mentioned. Negative comments focused on environmental problems, deterioration of roads and traffic conditions, and the possibility of nuclear accidents. Despite these negative impacts, almost two-thirds of the community leaders would definitely support the reconstruction of the same energy facility. Power plant development, therefore, is generally perceived as both a positive and beneficial asset for the host area. (author)

  15. Evolutions of the power grid: vector of sustainable development

    International Nuclear Information System (INIS)

    Croguennoc, Alain; Dalle, Bernard; Archambault, R.; Bony, P.E.; Bouneau, C.; Bourguignon, B.; Bouvier, D.; Beltran, A.; Chauvancy, A.; Chevassus-au-Louis, B.; Citi, S.; Claverie, B.; Colomb, B.; Dallet, M.; Deveaux, L.; Dubus, D.; Fresnedo, S.; Herreros, J.; Herz, O.; Isoard, J.; Jaussaud, E.; Laffaye, H.; Laroche, J.P.; Lasserre, D.; Lebas, N.; Lebranchu, D.; Leclerc, F.; Lemoine, D.; Leydier, C.; Malique, F.; Mazoyer, F.; Meudic, M.A.; Nguefeu, S.; Pajot, S.; Pilate, J.M.; Real, G.; Rosso, F.; Waeraas de Saint Martin, G.; Schwartzmann, S.; Serres, E.

    2011-01-01

    The abatement of energy consumption and the mass production of renewable energy are the main actions implemented to meet the climate challenge. In this context, the share of electric power in the final consumption is continuously growing up. Adapting the power transportation grid is necessary if we want to take up the challenge of the new paradigm 'new power generation sites, fatal and intermittent energy'. If this grid is the symbol of a modern and well-equipped France, it is also the revealer of our society antagonisms: change without disruption, progress without sacrifice of heritage and natural landscapes. Industries and grid operators will have to show some innovation and anticipation if they want this deep change to be a success. The French power grid has permitted the regional development in the past and will allow to take up the climate challenge in the future. Its inevitable position in the success of past transformations makes it an essential vector of sustainable development. (J.S.)

  16. Prospects and constraints for nuclear power in developing countries

    International Nuclear Information System (INIS)

    Polliart, A.J.

    1977-01-01

    Despite the interest in nuclear power and the IAEA's active assistance programme, only five developing countries (Argentina, Bulgaria, Czechoslovakia, India, Pakistan) have nuclear plants in operation. The combined net output of these plants is about 2,000 MWe. Twelve other developing countries have nuclear power reactors under construction, ordered or planned for operation by 1985. The net output of those under construction amounts to 17,200 MWe while the ordered or planned reactors will generate an additional 10,300 MWe. (orig./RW) [de

  17. The wind power state of the art and development outlooks

    International Nuclear Information System (INIS)

    Bal, J.L.

    2005-01-01

    This document presented during the Physics Summer school, deals with the wind power situation in Europe. The wind energy conversion in electric power is explained as the management and implementing of a wind site. The author discusses also the economy of the wind power and the market and development outlooks. (A.L.B.)

  18. Mercury CEM Calibration

    Energy Technology Data Exchange (ETDEWEB)

    John Schabron; Joseph Rovani; Mark Sanderson

    2008-02-29

    Mercury continuous emissions monitoring systems (CEMS) are being implemented in over 800 coal-fired power plant stacks. The power industry desires to conduct at least a full year of monitoring before the formal monitoring and reporting requirement begins on January 1, 2009. It is important for the industry to have available reliable, turnkey equipment from CEM vendors. Western Research Institute (WRI) is working closely with the Electric Power Research Institute (EPRI), the National Institute of Standards and Technology (NIST), and the Environmental Protection Agency (EPA) to facilitate the development of the experimental criteria for a NIST traceability protocol for dynamic elemental mercury vapor generators. The generators are used to calibrate mercury CEMs at power plant sites. The Clean Air Mercury Rule (CAMR) which was published in the Federal Register on May 18, 2005 requires that calibration be performed with NIST-traceable standards (Federal Register 2007). Traceability procedures will be defined by EPA. An initial draft traceability protocol was issued by EPA in May 2007 for comment. In August 2007, EPA issued an interim traceability protocol for elemental mercury generators (EPA 2007). The protocol is based on the actual analysis of the output of each calibration unit at several concentration levels ranging initially from about 2-40 {micro}g/m{sup 3} elemental mercury, and in the future down to 0.2 {micro}g/m{sup 3}, and this analysis will be directly traceable to analyses by NIST. The document is divided into two separate sections. The first deals with the qualification of generators by the vendors for use in mercury CEM calibration. The second describes the procedure that the vendors must use to certify the generator models that meet the qualification specifications. The NIST traceable certification is performance based, traceable to analysis using isotope dilution inductively coupled plasma/mass spectrometry performed by NIST in Gaithersburg, MD. The

  19. Millimeterwave Space Power Grid architecture development 2012

    Science.gov (United States)

    Komerath, Narayanan; Dessanti, Brendan; Shah, Shaan

    This is an update of the Space Power Grid architecture for space-based solar power with an improved design of the collector/converter link, the primary heater and the radiator of the active thermal control system. The Space Power Grid offers an evolutionary approach towards TeraWatt-level Space-based solar power. The use of millimeter wave frequencies (around 220GHz) and Low-Mid Earth Orbits shrinks the size of the space and ground infrastructure to manageable levels. In prior work we showed that using Brayton cycle conversion of solar power allows large economies of scale compared to the linear mass-power relationship of photovoltaic conversion. With high-temperature materials permitting 3600 K temperature in the primary heater, over 80 percent cycle efficiency was shown with a closed helium cycle for the 1GW converter satellite which formed the core element of the architecture. Work done since the last IEEE conference has shown that the use of waveguides incorporated into lighter-than-air antenna platforms, can overcome the difficulties in transmitting millimeter wave power through the moist, dense lower atmosphere. A graphene-based radiator design conservatively meets the mass budget for the waste heat rejection system needed for the compressor inlet temperature. Placing the ultralight Mirasol collectors in lower orbits overcomes the solar beam spot size problem of high-orbit collection. The architecture begins by establishing a power exchange with terrestrial renewable energy plants, creating an early revenue generation approach with low investment. The approach allows for technology development and demonstration of high power millimeter wave technology. A multinational experiment using the International Space Station and another power exchange satellite is proposed to gather required data and experience, thus reducing the technical and policy risks. The full-scale architecture deploys pairs of Mirasol sunlight collectors and Girasol 1 GW converter satellites t

  20. Power Systems Development Facility

    Energy Technology Data Exchange (ETDEWEB)

    None

    2003-07-01

    This report discusses Test Campaign TC12 of the Kellogg Brown & Root, Inc. (KBR) Transport Gasifier train with a Siemens Westinghouse Power Corporation (SW) particle filter system at the Power Systems Development Facility (PSDF) located in Wilsonville, Alabama. The Transport Gasifier is an advanced circulating fluidized-bed reactor designed to operate as either a combustor or a gasifier using a particulate control device (PCD). While operating as a gasifier, either air or oxygen can be used as the oxidant. Test run TC12 began on May 16, 2003, with the startup of the main air compressor and the lighting of the gasifier start-up burner. The Transport Gasifier operated until May 24, 2003, when a scheduled outage occurred to allow maintenance crews to install the fuel cell test unit and modify the gas clean-up system. On June 18, 2003, the test run resumed when operations relit the start-up burner, and testing continued until the scheduled end of the run on July 14, 2003. TC12 had a total of 733 hours using Powder River Basin (PRB) subbituminous coal. Over the course of the entire test run, gasifier temperatures varied between 1,675 and 1,850 F at pressures from 130 to 210 psig.

  1. Strategies for sustainable development of the Polish electric power system

    International Nuclear Information System (INIS)

    Janiczek, R.

    1996-01-01

    The key features of sustainable development of the Polish electric power industry are discussed. Priorities and limitations for changes and power demand forecasts are described. Results of least-cost planning for existing power plants' modernization and generation expansion with environmental impacts are presented. The least-cost strategy is given by the optimal upgrades of older plants until year 2002 and by expansion of gas-fired units. The limited availability of gas after 2010 will lead to the construction of new coal-fired plants. For the next planning process, an integrated resource planning methodology is proposed, which includes dynamic optimization of supply and demand side options. Innovative mechanisms are shown to overcome barriers of development like long-terms contracts and decentralization of the power system planning process. (author)

  2. Development of nuclear power plants database system, (2)

    International Nuclear Information System (INIS)

    Izumi, Fumio; Ichikawa, Michio

    1984-06-01

    A nuclear power plant data base system has been developed. The data base involves a large amount of safety design informations for nuclear power plants on operating and planning stage in Japan. The informations, if necessary, can be searched for at high speed by use of this system. The present report is an user's guide for access to the informations utilizing display unit of the JAERI computer network system. (author)

  3. Development present situation analysis of nuclear power industry in China and South Korea

    International Nuclear Information System (INIS)

    Huang Gang

    2011-01-01

    This paper introduces the present state and primary development experiences of South Korean nuclear power industry and the present state of Chinese nuclear power industry development, and comparatively analyzes and researches the differences between China and South Korea in nuclear power industry. At last, we come up with some suggestions and ideas to refer the follow-up development of Chinese nuclear power industry. (author)

  4. Development of the Ukrainian power sector taking into account the environmental impact of power facilities

    International Nuclear Information System (INIS)

    Dyakova, E.; Krymskaya, L.

    1997-01-01

    This paper concentrates on the following problems: Evaluation of total environmental impacts from all kinds of power plants on the whole territory of Ukraine; evaluation of environmental impacts in selected regions due to uneven power facilities distribution. Analysis of the environmental situation in Ukraine was conducted using the IMPACTS module of the ENPEP package with account to the Ukrainian energy requirements in perspective. Some recommendations concerning the development of power facilities and reduction of air emissions are also given. (author). 7 figs, 5 tabs

  5. Development of the Ukrainian power sector taking into account the environmental impact of power facilities

    Energy Technology Data Exchange (ETDEWEB)

    Dyakova, E; Krymskaya, L [Institute for Nuclear Research, National Academy of Science, Kiev (Ukraine)

    1997-09-01

    This paper concentrates on the following problems: Evaluation of total environmental impacts from all kinds of power plants on the whole territory of Ukraine; evaluation of environmental impacts in selected regions due to uneven power facilities distribution. Analysis of the environmental situation in Ukraine was conducted using the IMPACTS module of the ENPEP package with account to the Ukrainian energy requirements in perspective. Some recommendations concerning the development of power facilities and reduction of air emissions are also given. (author). 7 figs, 5 tabs.

  6. 75 FR 33769 - Manufacturing Extension Partnership (MEP) Availability of Funds for Projects To Develop and...

    Science.gov (United States)

    2010-06-15

    ... to the long-term economic stability of the region. Please see the NIST MEP Web site, http://www.nist... region, and contribute to the long-term economic stability of the region. Competitive projects will use...

  7. Nuclear power development status in Russia and China

    International Nuclear Information System (INIS)

    Hara, Taito

    2016-01-01

    Russia and China have clear policy for the export of nuclear reactors, and both countries conduct negotiations with the initiative of the government. In Russia, Atomenergoprom, which controls civilian nuclear power sector, is in charge, and in China, CNNC, CGN, and SPI are in charge. As for the development of new type reactors, Russian type VVER-1200 is led by NIAEP and Atomproekt, and China type CAP 1400 and Hualong-1 are led by CNNC, CGN, and SPI. The next reactor export is considered to be an improved type of the third generation. Furthermore, both countries are proceeding with the construction and planning of a variety of the fourth generation reactors. As for the power generation and construction costs of domestic nuclear reactors in each country, three countries such as South Korea, China, and Russia hold a dominant position, keeping the costs significantly lower than those in Japan, the United States, and France. In Russia and China, the governments approve government support loans of approximately 5 to 9 billion dollars per reactor for exporting reactors. For developing countries, where financial resources are limited, this system is considered to be a powerful incentive for importing nuclear reactors in combination with BOO contract system that covers from construction to operation. Japan's nuclear reactor exports are planned for the UK, Vietnam, and Turkey. In addition, a nuclear power agreement with India has been agreed in principle, and the order receipt of Japanese power plant manufacturers is expected. (A.O.)

  8. Comparison of development trends of Czechoslovak and European nuclear power

    International Nuclear Information System (INIS)

    Cibula, M.

    1988-01-01

    Statistical and prognostic data were compared characterizing the development of the power industry, electric power generation and nuclear power in the CSSR and in other European countries. The penetration of nuclear power into the power industry of the individual countries is affected especially by the economic necessity of changing the level and structure of the respective country's national economy with primary power resources and electric power. The analysis shows among others that nuclear energy has become most widely introduced in countries where electric power makes up a high proportion of the power balance and where the country only has an average amount of primary power resources. By the year 2000 nuclear power is envisaged to make up 27.5 to 32.2% of total power output which corresponds to an annual increase of 5.6% in the power output of nuclear power plants. The dependence of Czechoslovakia's increase of power output on nuclear power is greater than that of both the European capitalist and socialist countries. (Z.M.). 1 fig., 4 tabs., 5 refs

  9. Prospects for nuclear power development in Kazakhstan

    International Nuclear Information System (INIS)

    Batyrbekov, E.G.

    2014-01-01

    Full text : The possible use of NPP with single medium-sized units (600-700 MW) and large-sized units (over 1000 MW) is considered in the Republic of Kazakhstan as base electric power sources in order to meet the rising demand of electric power in conditions of national economy development. The results of feasibility studies on NPP construction estimability in Kazakhstan which were pursued within by efforts of NNC RK and other Kazakhstan organizations with methodical support of JAPC (Japan) within the period from 2006 to 2009, are discussed. The feasibility studies have been conducted based on data on electric power consumption and generation considering characteristics of electrical power systems and plans for transmitting lines construction in Kazakhstan, available conditions for NPP siting (cooling water, roads and communication lines, human resources, other elements of infrastructure and control), natural conditions, potential hazards for NPP caused with industrial economic activity; social factors, consequences of NPP impact on the environment including the radiation effect on population in case of radiation accident

  10. Major trends in the development of electrical power systems

    Energy Technology Data Exchange (ETDEWEB)

    Syromyatnikov, I A

    1965-01-01

    The comparison is made between the USA and the USSR electrical systems and their growth. The author states that USSR is about 35 years behind in the construction of power transmission lines of 22 kV and above. Various graphs of economic developments are presented. It is stated that the work in the near future should be concentrated on 750 kV network and on combining the USSR electric power distribution into a single power system.

  11. Application of LabVIEW in SSRF digital power supply development

    International Nuclear Information System (INIS)

    Tang Junlong; Chen Huanguang; Ke Xinhua; Chinese Academy of Science, Beijing; Xu Ruinian; Li Deming

    2007-01-01

    During development of the Shanghai Synchrotron Radiation Facility (SSRF) digital power supply, a digital pulse-width modulator (PWM) directly controls the power circuit insulated gate bipolar transistor (IGBT). A program in LabVIEW language has been developed to perform computer control and monitor for the digital PS via serial communication (RS232). The program provides a friendly user interface to the digital PS that makes it easy to observe its behavior and modify its parameters. Another program, also in LabVIEW language, has been developed to test long term stability of the digital power supply and store the experimental data via extremely precise Keithley instrument and computer. The experimental data are stored in an Excel file which can be processed and analyzed in the future. (authors)

  12. Present state of research and development of MHD power generation

    International Nuclear Information System (INIS)

    Ikeda, Shigeru

    1978-01-01

    MHD power generation can obtain electric energy directly from the heat energy of high speed plasma flow, and the power generating plant of 1 million kW can be realized by this method. When the MHD power generation method is combined before conventional thermal power generation method, the thermal efficiency can be raised to about 60% as compared with 38% in thermal power generation plants. The research and development of MHD power generation are in progress in USA and USSR. The research and development in Japan are in the second stage now after the first stage project for 10 years, and the Mark 7 generator with 100 kW electric output for 200 hr continuous operation is under construction. The MHD power generation is divided into three types according to the conductive fluids used, namely combustion type for thermal power generation, unequilibrated type and liquid metal type for nuclear power generation. The principle of MHD power generation and the constitution of the plant are explained. In Japan, the Mark 2 generator generated 1,180 kW for 1 min in 1971, and the Mark 3 generator generated 1.9 kW continuously for 110 hr in 1967. The MHD generator with superconducting magnet succeeded in 1969 to generate 25 kW for 6 min. The second stage project aimes at collecting design data and obtaining operational experience for the construction of 10 MW class pilot plant, and the Mark 7 and 8 generators are planned. (Kako, I.)

  13. Development and Testing of a Prototype Grid-Tied Photovoltaic Power System

    Science.gov (United States)

    Eichenberg, Dennis J.

    2009-01-01

    The NASA Glenn Research Center (GRC) has developed and tested a prototype 2 kW DC grid-tied photovoltaic (PV) power system at the Center. The PV system has generated in excess of 6700 kWh since operation commenced in July 2006. The PV system is providing power to the GRC grid for use by all. Operation of the prototype PV system has been completely trouble free. A grid-tied PV power system is connected directly to the utility distribution grid. Facility power can be obtained from the utility system as normal. The PV system is synchronized with the utility system to provide power for the facility, and excess power is provided to the utility. The project transfers space technology to terrestrial use via nontraditional partners. GRC personnel glean valuable experience with PV power systems that are directly applicable to various space power systems, and provide valuable space program test data. PV power systems help to reduce harmful emissions and reduce the Nation s dependence on fossil fuels. Power generated by the PV system reduces the GRC utility demand, and the surplus power aids the community. Present global energy concerns reinforce the need for the development of alternative energy systems. Modern PV panels are readily available, reliable, efficient, and economical with a life expectancy of at least 25 years. Modern electronics has been the enabling technology behind grid-tied power systems, making them safe, reliable, efficient, and economical with a life expectancy of at least 25 years. Based upon the success of the prototype PV system, additional PV power system expansion at GRC is under consideration. The prototype grid-tied PV power system was successfully designed and developed which served to validate the basic principles described, and the theoretical work that was performed. The report concludes that grid-tied photovoltaic power systems are reliable, maintenance free, long life power systems, and are of significant value to NASA and the community.

  14. Environmental and other considerations in development of new nuclear power generation

    International Nuclear Information System (INIS)

    Wan, P.K.

    2005-01-01

    Power generation is well recognized as a major prerequisite for a country's economic development. When developing a new nuclear power project, major environmental issues range from understanding of the environmental regulations of the country where the project is going to be built and the policies of the financial institution(s) involved, to dealing with the logistical issues associated with the acquisition of in country consultants, and language and cultural differences in producing the required environmental documents. One of the important pre-construction environmental efforts for nuclear power project is preparation of an Environmental Impact Assessment (EIA). An EIA is typically required to be performed for both the host country and the financial institutions engaged. The primary issues addressed in the EIA prepared for the country and that prepared for the bank are not necessarily the same, nor are the level of analyses likely to be conducted for a given environmental topic. The consequences for the development of a nuclear power project can be far-reaching, since the proposed project has the potential to cause significant socioeconomic impacts on local population and government, if it is not properly sited and/or designed. Thus, many of the financial institutions (such as the World Bank) require environmental and social-economic impact assessments as pre-requisite for funding approval. In addition, sustainable development objectives must be identified and fulfilled to alleviate the risks associated with project go-ahead decision. This paper addresses environmental and other considerations in development of nuclear power generation systems under an electric power industry privatization environment. Case studies of recent permitting activities for new nuclear power generation projects in the United States and funding issues for a nuclear power plant recently built in China are also discussed. (authors)

  15. Energy and nuclear power planning in developing countries

    International Nuclear Information System (INIS)

    1985-01-01

    In this publication of the IAEA, after the introduction, four substantive parts follow. Part I, Energy demand and rational energy supply, deals with the needs for energy, primary energy resources and reserves, energy transport, storage, distribution and conservation, including the environmental effects on energy development. Part II, Economic aspects of energy development, presents an integrated view of the basic concepts of energy economics, evaluation of alternative energy projects with an in-depth comparison of electricity generation costs of nuclear and fossil-fuelled power plants. Part III, World energy development status and trends, begins with an overview of the world energy status and trends and continues with a presentation of the energy situation in industrialized countries and in developing countries. Part IV, Energy planning, deals with the optimization techniques, energy planning concepts and computerized models. The launching conditions and implementation of a nuclear power programme are described in detail. 582 references are given in the text and a bibliographical list of 356 titles has been added

  16. The summary of the nuclear power development in Japan

    International Nuclear Information System (INIS)

    Mizoguchi, Kenzo; Hirose, Yasuo; Fukai, Yuzo; Hada, Mikio; Ogawa, Nagao.

    1980-01-01

    A quarter of century has elapsed since the development of atomic energy was started in Japan. At present, the scale of nuclear power generation reached the operation of 22 plants with about 15.12 million kW capacity, and 12% of the total installation capacity for power generation. Efforts have been exerted to bring up the domestic technologies gradually, while importing and digesting quickly the foreign technologies. Now in LWRs, the equipments of nearly 100% can be produced by the domestic technologies, moreover, the technologies have reached such level that they can be exported to foreign countries. In the last five years, the improvement and standardization of LWR technologies have been promoted. The development of the reactors of new types has been continued by the domestic technologies. According to the long term plan, the nuclear power generation of 53 million kW is expected by 1990, but various problems such as the location of nuclear power stations and nuclear fuel cycle remain, and considerable difficulty is expected in its materialization. The history of nuclear power generation in Japan, the features and progress of LWRs, the photographs and the main specifications of notable nuclear power plants, and the future perspectives of LWRs, the reactors of new types, nuclear fusion and nuclear fuel cycle are described. (Kako, I.)

  17. Global prospects for nuclear power development in the long term

    International Nuclear Information System (INIS)

    Semenov, Boris A.

    1994-01-01

    Population growth, economic development and improvement of quality of life will lead to significant increase of electricity consumption worldwide with more rapid growth in developing and newly industrialised countries. At the same time, concerns for environmental protection and security of supply will call for the development of alternatives to fossil fuels for electricity generation. Sustain ability will be a major driving factor for the choice of electricity generation options and strategies. Costs, and macro-economic and social impacts, will also influence future strategies in the electricity sector. Since renewable sources require significant development efforts to reach competitiveness, nuclear power is the most likely non-fossil source to be deployed on a large scale for base load electricity generation. Nuclear power is already a proven technology providing a significant share of electricity supply worldwide. In several countries, including the Republic of Korea, nuclear generated electricity is a major contributor to secure and competitive electricity supply. Technological progress aiming towards enhancing safety as well as technical and economic performance of nuclear power plants will enlarge the potential market share of nuclear generated electricity. The purpose of the paper is to give an overview of the prospects for nuclear power development in the world in the medium and long term. For the short term, up to 2005, projections of nuclear power installed capacities are rather straightforward to establish. The Agency publishes such projections every years, based upon a review of nuclear programmes in Member States. For the medium term, up to 2015, two illustrative cases have been developed by the IAEA reflecting contrasted, but not extreme, assumptions on the different parameters influencing nuclear power deployment worldwide. The paper gives estimations of the installed nuclear capacity, and of the share of nuclear power in total electricity and energy

  18. Prospects of uranium supply-demand situation in world nuclear power development

    International Nuclear Information System (INIS)

    Chen Zuyi; Wang Xingwu

    2010-01-01

    Based on the newest materials and data published by authoritative organizations, this paper introduces the near-term and medium to long-term development situation of world nuclear power, summarizes the main characteristics of recent world uranium production, preliminarily analyses the relationship between uranium supply and demand to 2030. It is suggested that from the view-point of whole world, uranium resources are fully sufficient for the near-term and medium to long-term world uranium production and uranium demand of nuclear power. World uranium production can meet the near-term uranium demand for nuclear power. However, a big supply-demand gap may exist after 2015 as world nuclear power will be developed with high speed. In case if all const ruction plans of new uranium mines and production- expansion plans of existing uranium mines will be completed on time, it is quite possible for the world uranium production to meet the long-term uranium demand of nuclear power development. (authors)

  19. Manpower requirements for nuclear power in developing countries

    International Nuclear Information System (INIS)

    Csik, B.J.

    1980-01-01

    It is recognized that each country has its individual unique characteristics and that there is no typical or average developing country. Common conditions represent exceptions, rather than the rule. Manpower requirements, however, are created by the tasks to be performed and activities to be carried out at each definite stage of a nuclear power project or programme. These tasks and activities, as well as the manpower requirements they create, are of a similar nature for any country, subject to the influence of prevailing local conditions. First, successive stages of the evolution of a nuclear power programme are defined. These are: pre-planning, planning, study and procurement, construction, operation of the first plant, confirmed and self-sufficient in implementing nuclear power projects. The developing countries are then classified according to the present stage of their evolution. Finally, the present and future manpower requirements of each country or group of countries are estimated. No attempt has been made to try to establish any precise data for any country in particular. The results obtained are global estimates, intended as indications of trends and of orders of magnitude. It is found that the developing world's present manpower requirements for nuclear power are of the order of 100,000 people, of which about 20,000 need specialized nuclear training. By the year 2000, for an installed nuclear capacity of 150 to 200 GW, overall manpower requirements should increase to more than 500,000 which would include 130,000 with specialized nuclear training. (author)

  20. Promoting nuclear power, achieving sustainable development of nuclear industry in China

    International Nuclear Information System (INIS)

    Kang, R.

    2006-01-01

    The past 5 decades witnessed the rapid growth of China's nuclear industry. The sustained and rapid economic growth and continuous improvement of people's living standards have placed higher requirements for energy and power supplies. As a safe and clean energy source, nuclear energy has been gradually and widely accepted by the Chinese government and the public. The Chinese government has adopted the policy a ctively pushing forward the nuclear power development , set up the target to reach 40GWe of nuclear power installed capacity by 2020, accounting for about 4% of the total installed capacity in China. In this regard, this paper presents the China's nuclear program to illustrate how China is going to achieve the target. The paper is composed of 3 parts. The first part gives a review of the achievements in nuclear power in the last 20 years. The second part presents China's ''three approach'' strategy for furthering the nuclear power development: carrying out duplication projects at the existing plant sites; introducing GUI technology via international bidding; developing the brand C NP1000 , i.e. Chinese Nuclear Power lOOOMwe class, with China's own intellectual property. This part also explores the ways of securing the fuel supply for nuclear power development. The third part concludes with CNNC's ''3221'' strategy which aims at building a world class conglomerate, and expresses its sincere wish to work with the nuclear community to push the nuclear industry worldwide by strengthening international cooperation

  1. Development of a high power femtosecond laser

    CSIR Research Space (South Africa)

    Neethling, PH

    2010-10-01

    Full Text Available The Laser Research Institute and the CSIR National Laser Centre are developing a high power femtosecond laser system in a joint project with a phased approach. The laser system consists of an fs oscillator and a regenerative amplifier. An OPCPA...

  2. THE PROSPECTS OF DEVELOPMENT OF ELECTRIC POWER NETWORK IN GEORGIA

    International Nuclear Information System (INIS)

    Mshvidobadze, T.

    2007-01-01

    The possibility of application of one of the versions of development of the electric power network in Georgia is disscussed. The algorithm of grouping of the versions of power network development, which allows choosing the optimal network configuration under indefinite conditions, is offered. The experiments have demonstrated that the same optimal decision can be found by considerable reduction in the number of versions. (author)

  3. Nuclear power development and public acceptance

    International Nuclear Information System (INIS)

    Yoda, Sunao; Yamada, Akihiko

    1976-01-01

    The public acceptance aimed at realizing the development of nuclear energy of 49,000,000 kW in 1985 in accordance with the basic policy of the combined energy measures in Japan determined by the cabinet meeting in December 1975 is discussed, and the three principles, namely democracy, independence and disclosures under Article 2 of the Atomic Energy Act, are reviewed. Stronger friction may occur owing to the following characteristics of nuclear power development: it is comprehensive but apt to be sectional, too large scale, very long term, military secrecy, and international relations. In addition, there are the sensibility to radioactivity and illogical refusal in Japan. As to the democracy, the participation of the people to the development of nuclear power has not so far been considered. For example, the holding of public hearings has not been legal obligation, but only a by-law of Atomic Energy Commission. As to the independence, serious troubles have been experienced because of the complete dependence of U.S. techniques. As to the disclosure, the opening to the public of the commercial secrecy attached to the application for the approval of reactor installations is apt to be much disputed. In conclusion, it is believed that there is no other way than the exertion of straight effort under the three principles, so that the formation of public acceptance will be accomplished. (Iwakiri, K.)

  4. Real time test bed development for power system operation, control and cyber security

    Science.gov (United States)

    Reddi, Ram Mohan

    The operation and control of the power system in an efficient way is important in order to keep the system secure, reliable and economical. With advancements in smart grid, several new algorithms have been developed for improved operation and control. These algorithms need to be extensively tested and validated in real time before applying to the real electric power grid. This work focuses on the development of a real time test bed for testing and validating power system control algorithms, hardware devices and cyber security vulnerability. The test bed developed utilizes several hardware components including relays, phasor measurement units, phasor data concentrator, programmable logic controllers and several software tools. Current work also integrates historian for power system monitoring and data archiving. Finally, two different power system test cases are simulated to demonstrate the applications of developed test bed. The developed test bed can also be used for power system education.

  5. Development of the power ramping facility at JMTR

    International Nuclear Information System (INIS)

    Nakata, Hirokatsu; Sezaki, Katsuji; Nakazaki, Chosaburo; Ishii, Tadahiko; Ito, Haruhiko; Abe, Hiroshi

    1985-03-01

    The LWR fuel power ramping facility have been being developed at JMTR since 1978. This report, following previous reports, JAERI-M 8533 and 9343, summarizes the results of performance test performed in 1981 on the 3 He power controlled boiling water capsule, which is a basic part of the facility. Various measurements were carried out during reactor operation on each part of the capsule, i.e. capsule itself, capsule control unit and 3 He power control unit, after a long-time cold run test of the units. Through the test, it was confirmed that the capsule satisfies the specifications which stated that LWR fuel pin should be power-ramped under BWR conditions up to 50 kW/m with a change factor of more than 2, and that the control units operate in a good condition. (author)

  6. Future developments in nuclear power

    International Nuclear Information System (INIS)

    Phillips, G.J.

    1978-12-01

    To date, the peaceful application of nuclear energy has been largely restricted to the generation of electricity. Even with such an application there is potential for wider use of the nuclear energy generated in providing heat for dwellings, control of climate for the production of vegetables and providing warm water for fish and lobster farming. It is possible to envisage specific applications of nuclear power reactors to process industries requiring large blocks of energy. These and other future developments are reviewed in this report. (author)

  7. Research Developments on Power System Integration of Wind Power

    DEFF Research Database (Denmark)

    Chen, Zhe; Hansen, Jens Carsten; Wu, Qiuwei

    2011-01-01

    variability and prediction, wind power plant ancillary services, grid connection and operation, Smart grids and demand side management under market functionality. The topics of the first group of PhD program starting 2011 under the wind energy Sino-Danish Centre for Education & Research (SDC) are also......This paper presents an overview on the recent research activities and tendencies regarding grid integration of wind power in Denmark and some related European activities, including power electronics for enhancing wind power controllability, wind turbines and wind farms modeling, wind power...

  8. High power laser research and development at the Laboratory for Laser Energetics

    International Nuclear Information System (INIS)

    Soures, J.M.; McCrory, R.L.; Cerqua, K.A.

    1986-01-01

    As part of its research mission - to investigate the interaction of intense radiation with matter - the Laboratory for Laser Energetics (LLE) of the University of Rochester is developing a number of high-peak power and high-average-power laser systems. In this paper we highlight some of the LLE work on solid-state laser research, development and applications. Specifically, we discuss the performance and operating characteristics of Omega, a twenty-four beam, 4000 Joule, Nd:glass laser system which is frequently tripled using the polarization mismatch scheme. We also discuss progress in efforts to develop high-average-power solid-state laser systems with active-mirror and slab geometries and to implement liquid-crystal devices in high-power Nd:glass lasers. Finally we present results from a program to develop a compact, ultrahigh-peak-power solid-state laser using the concept of frequency chirped pulse amplification

  9. Wind power development in Spain, the model of Navarra

    Energy Technology Data Exchange (ETDEWEB)

    Miguel Ichaso, A. de [Energia Hidroelectrica de Navarra S.A. (EHN), Pamplona (Spain)

    2000-08-01

    Wind power implementation in Spain has undergone spectacular growth in recent years. From 834 Megawatts installed at the end of 1998, the figure of 1,500 MW was reached at the end of 1999 and forecasts expect well over 2,500 MW by the end of the year 2000. A favourable legislative framework and tariff structure have brought about this rate of development, which is mainly based on the implementation of large wind farms on high altitude sites in Spain. The region of Navarra (northern Spain) has played a special role in this development, and EHN, a company born in this region, has carried out major projects that have given it 30% of the Spanish wind power sector. The challenges for the sector in Spain over the next few years are: (1) Make its development compatible with the supply guarantees required by the national electricity supply operator, (2) ensure that the implementation of wind farms is done with respect for the environment, (3) harmonise the wind power development of the different Autonomous Communities of Spain, and (4) reduce the investment costs in order to obtain enough profitability with falling energy prices in the coming years. (orig.)

  10. Artificial intelligence tool development and applications to nuclear power

    International Nuclear Information System (INIS)

    Naser, J.A.

    1987-01-01

    Two parallel efforts are being performed at the Electric Power Research Institute (EPRI) to help the electric utility industry take advantage of the expert system technology. The first effort is the development of expert system building tools, which are tailored to electric utility industry applications. The second effort is the development of expert system applications. These two efforts complement each other. The application development tests the tools and identifies additional tool capabilities that are required. The tool development helps define the applications that can be successfully developed. Artificial intelligence, as demonstrated by the developments described is being established as a credible technological tool for the electric utility industry. The challenge to transferring artificial intelligence technology and an understanding of its potential to the electric utility industry is to gain an understanding of the problems that reduce power plant performance and identify which can be successfully addressed using artificial intelligence

  11. Access to Power: Governance and Development in the Pakistani Electrical Power Sector

    Science.gov (United States)

    Naqvi, Ijlal

    This dissertation explores governance in Pakistan through a study of the state-run electrical power sector. At both the micro and macro level, the Pakistani power sector provides a lens into the heart of the Pakistani state and its governance institutions. This ethnographic and historical study offers an in-depth look at state operations in a developing country, situates the current Pakistani power crisis in a larger context of continuity through periods of dictatorship and democracy, and suggests how efforts to make state service delivery more responsive to citizens might be reconceived. A historical review of the Pakistani power sector establishes first and foremost that the current crisis is the product of longer-term processes for which the policy solutions currently being proposed (with the support of international donors and multilateral lenders) are inadequate. Depoliticized attempts at power sector reform have little to offer in light of the pervasively informal and negotiated nature of the fragmented Pakistani state. The institutions of power sector governance are mutually constituted by the formal rules and the informal---personal relationships, language, violence, money, and power. These rules of the game are as relevant to relations within and between public sector organizations as they are to the engagement of citizens with their state. The same rules apply at the margins of the state---informal squatter settlements---as at the core, though the resources brought to bear and the resultant outcomes are different. The internal incoherence of this state underscores the limitations of formal rules in determining outcomes, and the poor prospects for reform efforts that focus exclusively on the formal aspects of governance. To proactively engage with the question of political will leads away from top-down policy perspectives and counter to the depoliticizing tendencies that currently shape policy reforms. Instead, an energized and informed local participation

  12. 1000kW on-site PAFC power plant development and demonstration

    Energy Technology Data Exchange (ETDEWEB)

    Satomi, Tomohide; Koike, Shunichi [Phosphoric Acid Fuel Cell Technology Research Association (PAFC-TRA), Osaka (Japan); Ishikawa, Ryou [New Energy and Industrial Technology Development Organization (NEDO), Tokyo (Japan)

    1996-12-31

    Phosphoric Acid Fuel Cell Technology Research Association (PAFC-TRA) and New Energy and Industrial Technology Development Organization (NEDO) have been conducting a joint project on development of a 5000kW urban energy center type PAFC power plant (pressurized) and a 1000kW on-site PAFC power plant (non-pressurized). The objective of the technical development of 1000kW on-site PAFC power plant is to realize a medium size power plant with an overall efficiency of over 70% and an electrical efficiency of over 36%, that could be installed in a large building as a cogeneration system. The components and system integration development work and the plant design were performed in 1991 and 1992. Manufacturing of the plant and installation at the test site were completed in 1994. PAC test was carried out in 1994, and generation test was started in January 1995. Demonstration test is scheduled for 1995 and 1996.

  13. Methods of improvement of forecasting of development of mineral deposits' power supply

    Directory of Open Access Journals (Sweden)

    Alexander V. Putilov

    2015-03-01

    Full Text Available Mineral deposits (among which non-ferrous metals take a leading place are situated on the territory of our planet rather unevenly, and often in out-of-the-way places. Nuclear power (particularly, transportable nuclear power plants provides the new possibilities of power supply, which is very important for deposits' development. This article shares the economic aspects of forecasting in the field of power development (in particular, nuclear power on the basis of transportable nuclear power plants. Economic barriers of development of innovative nuclear technologies are considered on the example of transportable nuclear power plants. At the same time, there are given the ways of elimination of such barrier to development of this technology as methodical absence of investigation of a question of distribution of added cost between producers of innovative equipment and final product. Addition of new analytical tool (“business diagonal” is offered for a method of definition of economically efficient distribution of added cost (received as a result of introduction of innovative technologies between participants of production and consumption of atomic energy within the “economic cross” model. There is offered the order of use of method of cash flows discounting at calculations between nuclear market participants. Economic methods, offered in this article, may be used in forecasting of development of other energy technologies and introduction of prospective energy equipment.

  14. Liquid Wall Options for Tritium-Lean Fast Ignition Inertial Fusion Energy Power Plants

    International Nuclear Information System (INIS)

    Reyes, S.; Schmitt, R.C.; Latkowski, J.F.; Durbin, S.G.' Sanz, J.

    2002-01-01

    In an inertial fusion energy (FE) thick-liquid chamber design such as HYLEE-II, a molten-salt is used to attenuate neutrons and protect the chamber structures from radiation damage. In the case of a fast ignition inertial fusion system, advanced targets have been proposed that may be self-sufficient in terms of tritium breeding (i.e., the amount of tritium bred in target exceeds the amount burned). This aspect allows for greater freedom when selecting a liquid for the protective blanket, given that lithium-bearing compounds are no longer required. The present work assesses the characteristics of many single, binary, and ternary molten-salts using the NIST Properties of Molten Salts Database. As an initial screening, salts were evaluated for their safety and environmental (S and E) characteristics, which included an assessment of waste disposal rating, contact dose, and radioactive afterheat. Salts that passed the S and E criteria were then evaluated for required pumping power. The pumping power was calculated using three components: velocity head losses, frictional losses, and lifting power. The results of the assessment are used to identify those molten-salts that are suitable for potential liquid-chamber fast-ignition IFE concepts, from both the S and E and pumping power perspective. Recommendations for further analysis are also made

  15. ECONOMIC PRINCIPLES FOR SELECTION OF OPTIMUM POWER-SUPPLY SYSTEM DEVELOPMENT IN BELARUS

    Directory of Open Access Journals (Sweden)

    L. P. Padalko

    2008-01-01

    Full Text Available The paper considers main directions of the technological development of the Belarusian power-supply system. Comparative analysis of the economic efficiency of thermal power station modernization on the basis of steam- and gas technology, nuclear technology development and simple renovation of the worn-out generating capacities of thermal power stations has been carried out in the paper. Selection of the priority direction pertaining to optimization of industrial structure of the Belarusian power-supply system has been made on the basis of the presented minimum-specific cost criterion. The paper reveals that in the medium-term period the most optimum development of the Belarusian electrical power engineering is a technological  modernization  due to predicted  changes in natural gas and nuclear fuel costs. The modernization presupposes construction of topping plants in addition to the existing steam- and turbine equipment at thermal power stations. 

  16. Technology transfer of nuclear power development in developing countries: Case study of China

    International Nuclear Information System (INIS)

    He Jiachen; Shen Wenquan; Zhang Luqing

    2000-01-01

    This paper describes the specific experiences in the technology transfer of nuclear power in China, a country that both imported and developed indigenous nuclear technology. Based on this experience some recommendations are presented that should be considered particularly by the developing countries. (author)

  17. Development of 3He-BOCA power ramping facility, 1

    International Nuclear Information System (INIS)

    Nakata, Hirokatsu; Ishii, Tadahiko; Itoh, Haruhiko; Abe, Hiroshi; Nakazaki, Chozaburo

    1979-11-01

    Development of a He-3 power controlled boiling water capsule, 3 He-BOCS, for LWR fuels power ramping test in JMTR has been carried out since 1978 on a five-year program; in the reactor, irradiation tests of various fuels and structual materials have been made since 1969. Using stagnant-pressurized water as a thermal medium, the capsule provides pressure and temperature conditions similar to those in LWRs. Heat generation of a fuel pin can be controlled by a He-3 gas screen surrounding the capsule. The facility is capable of testing numbers of both fresh and irradiated fuel pins under LWR operating conditions for power ramping and cycling. After explaining the operating priciples of 3 He-BOCA and the development program, the following are described: the results of preliminary out-of-pile test on heat conductive characteristics of the capsule and a conceptual design of the 3 He-BOCA for power ramping of a short fuel pin from 250 W/cm to 500 W/cm under BWR conditions. (author)

  18. Material development for India's nuclear power programme

    Indian Academy of Sciences (India)

    rials with emphasis on development of fabrication routes of zirconium alloys for .... nuclear power programme, which envisages design and construction of thermal breeder ... Production of Hf-free nuclear grade zirconium ..... Later on for pressure tubes specified limit for hydrogen content in the as manufactured condition.

  19. Nuclear power in the world: Its present status and development trends

    International Nuclear Information System (INIS)

    Bennett, L.L.

    1994-01-01

    Present status of nuclear power development in the world is presented showing data on power reactors in operation and under construction, on growth of nuclear electricity generation since 1970, the distribution of nuclear electricity generation during 1993. Development trends in the field are also outlined. 7 figs, 5 tabs

  20. PFBC development for lignite-fired CC power plants

    Energy Technology Data Exchange (ETDEWEB)

    Bauer, F.; Meier, H.J.; Smuda, J.V.; Stuhlmueller, F. [VEAG Vereinigte Energiewerke AG (Germany)

    1994-12-31

    A power station design based on pressurised combustion in a circulating fluid-bed is used to illustrate the principle, layout and potential of a lignite-fired combined power station. The fundamental reasons for concentrating on the circulating pressurised fluid-bed consist in its improved emission values, the possibility of separating heat source and heat sink, and better operating performance (part-load). This design has been developed as part of a feasibility study supported by the Federal Ministry for Research and Tehcnology. The paper describes the design of the power plant components. Combustion trials carried out at the pilot plant in Friedrichsfield are reported and the cost-effectiveness of the innovatory design discussed. 10 figs.

  1. Power Systems Development Facility

    International Nuclear Information System (INIS)

    1993-06-01

    The objective of the PSDF would be to provide a modular facility which would support the development of advanced, pilot-scale, coal-based power systems and hot gas clean-up components. These pilot-scale components would be designed to be large enough so that the results can be related and projected to commercial systems. The facility would use a modular approach to enhance the flexibility and capability for testing; consequently, overall capital and operating costs when compared with stand-alone facilities would be reduced by sharing resources common to different modules. The facility would identify and resolve technical barrier, as well as-provide a structure for long-term testing and performance assessment. It is also intended that the facility would evaluate the operational and performance characteristics of the advanced power systems with both bituminous and subbituminous coals. Five technology-based experimental modules are proposed for the PSDF: (1) an advanced gasifier module, (2) a fuel cell test module, (3) a PFBC module, (4) a combustion gas turbine module, and (5) a module comprised of five hot gas cleanup particulate control devices. The final module, the PCD, would capture coal-derived ash and particles from both the PFBC and advanced gasifier gas streams to provide for overall particulate emission control, as well as to protect the combustion turbine and the fuel cell

  2. Development of a compact nuclear power station engineering simulator

    International Nuclear Information System (INIS)

    Jian Jianfeng; Yang Yanhua; Lin Meng; Hu Rui

    2003-01-01

    The compact nuclear power plant project simulator is developed based on the Chashma nuclear power plant. This simulator consists of simulation computation code, data communication module and human-machine interface. This paper discusses the design and implementation of the simulator from such aspect as computer system, hydrothermal model, programming language, human-machine interface and data communication in details

  3. New developments of plasma science with pulsed power technology

    International Nuclear Information System (INIS)

    Kamada, Keiichi; Ozaki, Tetsuo

    2010-03-01

    In this proceedings, the papers presented at the symposium on “New developments of Plasma Science with Pulsed Power Technology” held at National Institute for Fusion Science on March 5-6, 2009 are collected. The papers reflect the present status and recent progress in the experimental and theoretical works on plasma science using pulsed power technology. (author)

  4. Development of robots for nuclear power plants

    International Nuclear Information System (INIS)

    Sasaki, Masayoshi

    1982-01-01

    In nuclear power plants, the reduction of maintenance time, the reduction of radiation exposure and man-power saving are increasingly required. To achieve these purposes, various remote-controlled devices, such as robots in a broad sense, have been earnestly developed. Of these, three machines for replacing, four devices for inspection, two systems for cleaning, and two equipment for processing are tabulated in this paper. Typical eight machines or equipment are briefly introduced, mainly describing their features or characteristics. Those are: a remotely handling machine for control rod drive mechanism, an automatic refueling machine, an automatic ultrasonic flaw detection system replacing for a manually operated testing system for the welded parts of primary cooling system, an automatic cask washing machine for decontamination, a floor-type remote inspection vehicle for various devices operating inside power plants, a monorail-type remote inspection vehicle for inspection in spaces where floor space is short, and a remote-controlled automatic pipe welding machine for welding operations in a radioactive environment such as replacing the piping of primary cooling system. Most of these devices serves for radiation exposure reduction at the same time. Existing nuclear power plant design assumes direct manual maintenance, which limits the introduction of robots. Future nuclear power plants should be designed on the assumption of automatic remote-controlled tools and devices being used in maintenance work. (Wakatsuki, Y.)

  5. Role of IAEA in introduction of nuclear power in developing countries

    International Nuclear Information System (INIS)

    Skjoeldebrand, R.; Csik, B.J.; Bennett, L.L.; Charpentier, J.P.

    1986-10-01

    The planning of nuclear power programmes in developing countries must be seen as an integral part of a rational and coherent long-term energy and general development policy. Consequently decisions to be taken by a country and the formulation of appropriate development programmes must be based on detailed comparative energy demand and supply analyses, economic optimizations of electricity supply systems, assessments of the infrastructure requirements, identification of possible constraints to nuclear power development in the country, and consideration of its alternatives. Since many years the International Atomic Energy Agency (IAEA) has had a broad programme for assistance in nuclear power planning and implementation in developing countries, and the individual elements of a comprehensive programme have been developed. The IAEA's demand model MAED and generating system optimization model WASP, which have been widely adopted around the world, are basic planning methodologies used in the IAEA's assistance in this field, supplemented by the IAEA's long-standing experience in nuclear power planning and infrastructure development. The IAEA's assistance in infrastructure assessment and development focusses on subjects which are not normally covered in bilateral agreements, i.e., planning activities before bilateral agreements and contracts, pre-contract activities and project supervision and control activities (e.g.: project management and QA). Manpower development work, usually a high priority in developing countries, includes interregional training courses and also the establishment of training nationally under technical co-operation and UNDP projects which increasingly have broader scopes within coherent national manpower development programmes. (author)

  6. Development of a nuclear-powered artificial heart

    International Nuclear Information System (INIS)

    Mott, W.E.; Cole, D.W. Jr.

    1972-01-01

    Of the few known methods of furnishing power for a completely implantable artificial heart one of the most promising involves the conversion of the thermal energy from the decay of man-made radioisotopes. Serious consideration of radioisotopic, or nuclear, heat sources for implantable power supplies began in early 1964. Since then there have been some notable accomplishments on the road to a nuclear-powered system but a large number of important and difficult problems remain to be clarified. The overall objective of the Atomic Energy Commission's current program is to examine critically these problems and to provide information so that the reasonableness and practicability of the nuclear approach can be assessed at an early date. Research and development projects are underway on radioisotope heat source fuel and containment materials, on a highly reliable, long-life thermal energy conversion system and its requisite high performance thermal insulation package, on the coupling of the converter output power to the diaphragm of a suitable blood pump in such a manner that the system is fully responsive to the needs of the body, and on the radiobiological implications of large-scale heat source implantation. (auth)

  7. Integrated Micro-Power System (IMPS) Development at NASA Glenn Research Center

    Science.gov (United States)

    Wilt, David; Hepp, Aloysius; Moran, Matt; Jenkins, Phillip; Scheiman, David; Raffaelle, Ryne

    2003-01-01

    Glenn Research Center (GRC) has a long history of energy related technology developments for large space related power systems, including photovoltaics, thermo-mechanical energy conversion, electrochemical energy storage. mechanical energy storage, power management and distribution and power system design. Recently, many of these technologies have begun to be adapted for small, distributed power system applications or Integrated Micro-Power Systems (IMPS). This paper will describe the IMPS component and system demonstration efforts to date.

  8. Research and development for the future nuclear power

    Energy Technology Data Exchange (ETDEWEB)

    Morimoto, Hideo [Japan International Cooperation Agency, Tokyo (Japan)

    2002-11-01

    This paper consists of nuclear power technologies in Japan, its states of other countries, the today's objects, investment, change of the research and development paradigm, new type of reactor, public research and target research and resource. The new types of reactor investigated in Japan are FBR, 4S, aqueous homogenous reactor, gas reactor and molten-salt reactor. On the basis of correspondence to environment of market and materialization of business model, nuclear power has to cooperate with electric power side. The international joint research should be investigated, because the investment is limited. There are three references such as Report of nuclear power section in the total source energy investigation (2001): http://www.meti.go.jp/report/data/g10627aj.html, OECD/NEA (2002): http://www.neafr/html/ndd/reports/2002/nea3969.html and public research: http://www.iae.or.jp/koubo/koubo.html. (S.Y.)

  9. Research and development for the future nuclear power

    International Nuclear Information System (INIS)

    Morimoto, Hideo

    2002-01-01

    This paper consists of nuclear power technologies in Japan, its states of other countries, the today's objects, investment, change of the research and development paradigm, new type of reactor, public research and target research and resource. The new types of reactor investigated in Japan are FBR, 4S, aqueous homogenous reactor, gas reactor and molten-salt reactor. On the basis of correspondence to environment of market and materialization of business model, nuclear power has to cooperate with electric power side. The international joint research should be investigated, because the investment is limited. There are three references such as Report of nuclear power section in the total source energy investigation (2001): http://www.meti.go.jp/report/data/g10627aj.html, OECD/NEA (2002): http://www.neafr/html/ndd/reports/2002/nea3969.html and public research: http://www.iae.or.jp/koubo/koubo.html. (S.Y.)

  10. Nuclear power in the frame of sustainable development

    International Nuclear Information System (INIS)

    Constantin, M.

    2002-01-01

    Sustainable development conception defines a development aiming at fulfilment of aspirations, requirements and exigencies of the present society under the stringent condition of not jeopardizing further development of the next generations. An analysis of the nuclear field implies taking into account comparatively the following indicators: 1. availability distribution of resources; 2. the power utilization rate and the raw materials intake; 3. the impact upon population health; 4. the critical limits to environmental release; 5. land utilization and impacts upon habitats; 6. risk potential of generating major and irreversible phenomena. By taking into account the economic, social and environmental factors the following indicators proper for nuclear energy analysis were established: 1. capital (USD/kWe), marginal cost (USD/kWe); 2. cumulated dose to the public (Sv/kWh), number of employees (pers/kWh), education (number of university courses); 3. volume of solid waste (m 3 /kWh), activity level of solid waste (Bq/kWh), fuel utilization rate (tU/kWh), gaseous and liquid effluent activity (Bq/kWh). A comparison of capital investments for NPPs (CANDU type reactors), natural gas and coal thermal power plants is given. One of the economic advantages of nuclear power is the stability of production cost due to the fact that the uranium cost amounts only some percents of the total cost of electricity. External costs of a severe nuclear accident with a probability of 5 x 10 -5 per year are given. The waste resulting from nuclear power electricity generation represents only one percent from the total volume of noxious waste in countries with nuclear industry. At the same time radioactive waste can be isolated from biosphere at reasonable costs and with well established technologies. Socially nuclear power appears to be attracting because it implies a knowledge core and intellectual level of high quality. The nuclear technology and science interact successfully with other

  11. High power RF transmission line component development

    International Nuclear Information System (INIS)

    Hong, B. G.; Hwang, C. K.; Bae, Y. D.; Yoon, J. S.; Wang, S. J.; Gu, S. H.; Yang, J. R.; Hahm, Y. S.; Oh, G. S.; Lee, J. R.; Lee, W. I.; Park, S. H.; Kang, M. S.; Oh, S. H.; Lee, W.I.

    1999-12-01

    We developed the liquid stub and phase shifter which are the key high RF power transmission line components. They show reliable operation characteristics and increased insulation capability, and reduced the size by using liquid (silicon oil, dielectric constant ε=2.72) instead of gas for insulating dielectric material. They do not have finger stock for the electric contact so the local temperature rise due to irregular contact and RF breakdown due to scratch in conductor are prevented. They can be utilized in broadcasting, radar facility which require high RF power transmission. Moreover, they are key components in RF heating system for fusion reactor. (author)

  12. High power RF transmission line component development

    Energy Technology Data Exchange (ETDEWEB)

    Hong, B. G.; Hwang, C. K.; Bae, Y. D.; Yoon, J. S.; Wang, S. J.; Gu, S. H.; Yang, J. R.; Hahm, Y. S.; Oh, G. S.; Lee, J. R.; Lee, W. I.; Park, S. H.; Kang, M. S.; Oh, S. H.; Lee, W.I

    1999-12-01

    We developed the liquid stub and phase shifter which are the key high RF power transmission line components. They show reliable operation characteristics and increased insulation capability, and reduced the size by using liquid (silicon oil, dielectric constant {epsilon}=2.72) instead of gas for insulating dielectric material. They do not have finger stock for the electric contact so the local temperature rise due to irregular contact and RF breakdown due to scratch in conductor are prevented. They can be utilized in broadcasting, radar facility which require high RF power transmission. Moreover, they are key components in RF heating system for fusion reactor. (author)

  13. Hydro and nuclear power for African less-carbon development

    Energy Technology Data Exchange (ETDEWEB)

    El-Gazzar, Mohamed; Ibrahim, Yassin Mohamed; Bedrous, Maher Aziz

    2007-07-01

    Though the overall picture reveal availability of enormous energy resources which far exceed energy requirements of Africa, most of these resources are grossly underutilized, particularly hydro and nuclear resources. It suggests that Africa's problem is not lack of energy resources but its development and utilization. The region will remain a major net exporter of energy for several decades to com. In dealing with its energy problems Africa faces a unique set of initial conditions, defined mainly by its level and pattern of economic growth, social and demographic characteristics, energy resource endowment, location distances between supply sources and consumption areas, technological underdevelopment, and poverty-driven energy-environment conflict. A key challenge is the optimal utilization of the Africa's energy resources to facilitate both individual country and regional energy and economic development. Stronger emphasis on a more integrated energy supply network based on more widespread regional initiatives, particularly in electricity is essential to sustainable energy development in Africa. This paper discusses the prospects for hydro and nuclear power in Africa. The continent is the poorest in the world. The lack of reliable, accessible and affordable energy hinders its development. Hydro and nuclear power promises to be the least-carbon energy sources, while being the cheapest and most reliable among all. The role the hydropower can play in securing a sustainable energy future for Africa is highly emphasized. Also, nuclear power has many advantages to Africa. Opportunities for hydropower and nuclear power in Africa are all considered. Advantages and disadvantages are also all discussed. (auth)

  14. A study on the development and application of expert system for nuclear power plant

    Energy Technology Data Exchange (ETDEWEB)

    Woo, Hee Gon; Kim, Seong Bok [Korea Electric Power Corp. (KEPCO), Taejon (Korea, Republic of). Research Center

    1995-12-31

    It is a final report of the research that is a study on the development and application of expert system for nuclear power plants and development of the schemes computing environments and user interfaces for the expert system, which is a systematic and efficient development of expert system for nuclear power plants in the future. This report is consisted of -Development trends of expert system for nuclear power plants. -Classification of expert system applications for nuclear power plants. -Systematic and efficient developments schemes of expert system for nuclear power plants, and -Suitable computing environments and user interfaces for the expert systems. (author). 113 refs., 85 figs.

  15. A study on the development and application of expert system for nuclear power plant

    Energy Technology Data Exchange (ETDEWEB)

    Woo, Hee Gon; Kim, Seong Bok [Korea Electric Power Corp. (KEPCO), Taejon (Korea, Republic of). Research Center

    1996-12-31

    It is a final report of the research that is a study on the development and application of expert system for nuclear power plants and development of the schemes computing environments and user interfaces for the expert system, which is a systematic and efficient development of expert system for nuclear power plants in the future. This report is consisted of -Development trends of expert system for nuclear power plants. -Classification of expert system applications for nuclear power plants. -Systematic and efficient developments schemes of expert system for nuclear power plants, and -Suitable computing environments and user interfaces for the expert systems. (author). 113 refs., 85 figs.

  16. Results of the 77th meeting of the council on power resource development and adjustment

    International Nuclear Information System (INIS)

    Sasaki, Koichi

    1979-01-01

    On December 27, 1978, the 77th meeting of the Council on Power Resource Development and Adjustment was held, and the discussion on the revision of the basic plan of power resource development in 1978 fiscal year was carried out. As a result of the discussion, the recommendation to the government was submitted. Based on the recommendation, on January 20, the revised plan as recommended by the Council was decided and officially announced. The following is the brief summary of the revised plan of power resource development in 1978 fiscal year and the points of power resource development where the construction will be newly started. According to the revised plan, as the long-term target, it is scheduled to achieve power resource development of about 71 million kW during 8 years from 1978 fiscal year. In addition, this plan prescribes the construction of power stations amounting to about 47.2 million kW (including about 5.92 million kW, the construction of which is newly started in 1978 fiscal year) and the financing of 3,085.8 billion yen for power resource development (including transmission, transformation and distribution sections) as the projects in 1978 fiscal year. The revision of the power resource development plan includes addition of 6 new points for power resource development, equivalent to about 2.4 million kW, including 3 hydroelectric power points (about 40 thousand kW), 2 thermal-power points (1.2 million kW) and 1 atomic power point (1.16 million kW). As a result, new power resource development points in 1978 fiscal year are made up of 10 hydroelectric power points, 22 thermal-power points and 4 atomic power points. (Suzuki, T.)

  17. Development of safety-related regulatory requirements for nuclear power in developing countries. Key issue paper no. 4

    International Nuclear Information System (INIS)

    Han, K.I.

    2000-01-01

    In implementing a national nuclear power program, balanced regulatory requirements are necessary to ensure nuclear safety and cost competitive nuclear power, and to help gain public acceptance. However, this is difficult due to the technology-intensive nature of the nuclear regulatory requirements, the need to reflect evolving technology and the need for cooperation among multidisciplinary technical groups. This paper suggests approaches to development of balanced nuclear regulatory requirements in developing countries related to nuclear power plant safety, radiation protection and radioactive waste management along with key technical regulatory issues. It does not deal with economic or market regulation of electric utilities using nuclear power. It suggests that national regulatory requirements be developed using IAEA safety recommendations as guidelines and safety requirements of the supplier country as a main reference after careful planning, manpower buildup and thorough study of international and supplier country's regulations. Regulation making is not recommended before experienced manpower has been accumulated. With an option that the supplier country's regulations may be used in the interim, the lack of complete national regulatory requirements should not deter introduction of nuclear power in developing countries. (author)

  18. Implementing national nuclear safety plan at the preliminary stage of nuclear power project development

    International Nuclear Information System (INIS)

    Xue Yabin; Cui Shaozhang; Pan Fengguo; Zhang Lizhen; Shi Yonggang

    2014-01-01

    This study discusses the importance of nuclear power project design and engineering methods at the preliminary stage of its development on nuclear power plant's operational safety from the professional view. Specifically, we share our understanding of national nuclear safety plan's requirement on new reactor accident probability, technology, site selection, as well as building and improving nuclear safety culture and strengthening public participation, with a focus on plan's implications on preliminary stage of nuclear power project development. Last, we introduce China Huaneng Group's work on nuclear power project preliminary development and the experience accumulated during the process. By analyzing the siting philosophy of nuclear power plant and the necessity of building nuclear safety culture at the preliminary stage of nuclear power project development, this study explicates how to fully implement the nuclear safety plan's requirements at the preliminary stage of nuclear power project development. (authors)

  19. Thinking on the consequence of snow storm to nuclear power development

    International Nuclear Information System (INIS)

    Zhang Liyin

    2008-01-01

    In view of the extensive damages caused by the heavy snow storm happened in Southern regions in early 2008, the superiority of nuclear power as compared to thermal power is expounded, which indicates that nuclear power development is imperative under the situation. Meanwhile, it points out that there shall be sound counter measures in containment design, protection of power supply system, and safety and reliability of internal structures for the sake of safety of nuclear power plant. (authors)

  20. Power control for wind turbines in weak grids: Concepts development

    DEFF Research Database (Denmark)

    Bindner, H.

    1999-01-01

    will make wind power more firm and possible to connect to weaker grids. So, when the concept is matured, theexpectation is that for certain wind power installations, the cost of the power control is paid back as added wind power capacity value and saved grid reinforcement costs. Different systems...... and analyze methods and technologies for making it viable to utilize more of the wind potential in remote areas. The suggestion is to develop a power control concept for wind turbines which will even out thepower fluctuations and make it possible to increase the wind energy penetration. The main options...... are to combine wind power with a pumped hydro power storage or with an AC/DC converter and battery storage. The AC/DC converter can either be an "add-on" typeor it can be designed as an integrated part of a variable speed wind turbine. The idea is that combining wind power with the power control concept...

  1. Development of wind power generation in China

    International Nuclear Information System (INIS)

    Zhiquan, Y.; Yan, C.; Lijun, X.

    1995-01-01

    Present status and development of wind power generation in China is described in this paper. China is vast in territory with abundant wind resources. The exploitable wind energy in China is estimated up to 253,000 MW. At present, more than 150 thousand small WTGs of a total capacity of 17 MW are used to provide residential electricity uses in non-grid connected areas and 13 wind farms, with above 160 medium and large scale grid connected WTGs (50-500 kW) of a total capacity of 30 MW, have been constructed. At the same time, some progress has been made in the fields of nation-wide wind resource assessment, measurement technology of wind turbine performance, the assimilation of foreign wind turbine technology, grid connected WTG technology and the operation of wind farm etc. It is planned that the total installed capacity of WTGs will reach 1000 MW by the end of 2000. Wind power generation could be a part of electric power industry in China. (Author)

  2. The Training & Development Function And The Power Of Getting ...

    African Journals Online (AJOL)

    The quality of an organization's human resources is key to success, and much of it is a function of training and development. In this article the author examines 1) the concept and the sources of power, 2) the challenges faced by T&D specialists in the fulfillment of their function, 3) the power position of T&D specialists in 21 ...

  3. Community Development in the context of the power decentralization in Ukraine

    Directory of Open Access Journals (Sweden)

    V. P. Berezinskiy

    2017-03-01

    Full Text Available The aim of the study is to define opportunities of development of the community in the implementation of the power decentralization reform in Ukraine. It has been shown that the principle of decentralization provides for territorial and political unity of the state by a legal delimitation of powers between central government agencies and regional public authorities (or local authorities. It makes it clear that the issue of power decentralization in Ukraine has a constitutional and legal framework, as the Main Law states that the power system is based on a combination of centralization and decentralization. The requirement of power decentralization has been constitutionally justified. It has been revealed that according to the State Regional Development Strategy, the following priorities of the state regional policy are: increase of the competitiveness of regions; territorial socio-economic integration and spatial development; effective governance in regional development. It has been disclosed that in Ukraine the deepening of the decentralization is aimed at the strengthening of the role of local self-government, empowerment of the representative authorities of local communities to get more authority for managing local affairs, deprivation of local power authorities for the preparation and fulfilment of budgets in regions, the transfer of significant powers and financial resources from government to local self-governmental authorities. It has been proved that decentralization contributes to the democratization of the local government and the development of local community as the ultimate goals of the reform of the power decentralization are the creation and maintenance of good living environment for citizens. This reform should correspond to interests of citizens in all spheres of life, and it must support on the relevant territory. In this regard, series of legislative acts were adopted («On a voluntary association of local communities»,

  4. Worldwide review of nuclear power developments

    International Nuclear Information System (INIS)

    Rippon, Simon.

    1985-01-01

    In the Western world during 1984, some 26 new reactors with a total capacity of about 26 GWe were commissioned. This review discusses political and economic factors affecting nuclear power worldwide. Developments, or the lack of them, in the following areas are considered: U.S.A., Japan, Western Europe, Turkey, South East Asia, China, India, South and Central America and Eastern Europe. China is predicted to be the next big market

  5. Nuclear power in the US and the directions of its development

    International Nuclear Information System (INIS)

    Hejzlar, P.

    2007-01-01

    The paragraphs of the article are as follows: Attractive price of power generation; Insensitivity of electricity price to fuel price and power safety; Very low CO 2 emissions; Increasing public support; Future development of nuclear power in the US; Generation IV reactor program; and Global partnership program for the nuclear power sector. Figures show the prices of NPP sales in the US at the turn of the century; development of electricity generation prices during the past 18 years; Comparison of prices of electricity from different sources; Fluctuations of weekly gas prices in the US in 1992-2006; Development of new oil deposits and oil consumption during the past century; Public attitude to NPPs during the past 20 years; AP 1000, ABWR , ESBWR, and EPR reactors; NGNP new-generation NPP; Transition of the closed fuel cycle; and Possible implementations of the fuel leasing principle. (P.A)

  6. On the technical superiority of domestic power plant equipment and its development

    International Nuclear Information System (INIS)

    Zhao Zhiyi

    1993-01-01

    Under the Presumption of affirmed superiority of domestic power plant equipment, some existing deficiencies are pointed out. The scientific and technical development of domestic power equipment can be impelled through catching up with advanced technologies. The necessity of optimal matching of plant equipment from the engineering point of view is emphasized by the authors in association with a prospective outlook of key power equipment and development suggestions

  7. The Role of Nuclear Power Plants in the Development of a Country

    International Nuclear Information System (INIS)

    Cintra do Prado, L.

    1966-01-01

    Nuclear power plants oan contribute to the economic development of a country in two ways - as generators of power and as stimuli for the growth of new national industries. Some countries build nuclear power plants because other sources of cheap power are lacking. Other countries engage in nuclear activities such as the production of nuclear components and the purification of reactor materials before there is an immediate need for nuclear power in an attempt to plan for future national requirements and to create a nuclear export industry. A country can also import all or nearly all the components needed for the construction of nuclear power plants. In this case the importing country enjoys the benefits of facilities generating power without the advantages of a national nuclear industry. Industrialised countries generally find this solution undesirable save in exceptional circumstances, for example in the initial stages of a nuclear programme or in the case of specific nuclear components. Developing countries can also aim at a phased introduction of nuclear energy and try to combine the advantages of nuclear power production and the development of a national nuclear industry. Thus, in addition to the inherent advantages of nuclear plants as sources of electricity there are various ways in which the establishment of such plants can stimulate industry, namely through the use of nuclear and other ores utilizable in reactors, the promotion of ore-exploration activities, and the development of transformation industries

  8. The Role of Nuclear Power Plants in the Development of a Country

    Energy Technology Data Exchange (ETDEWEB)

    Cintra do Prado, L. [Brazilian Nuclear Energy Commission (Brazil)

    1966-07-01

    Nuclear power plants oan contribute to the economic development of a country in two ways - as generators of power and as stimuli for the growth of new national industries. Some countries build nuclear power plants because other sources of cheap power are lacking. Other countries engage in nuclear activities such as the production of nuclear components and the purification of reactor materials before there is an immediate need for nuclear power in an attempt to plan for future national requirements and to create a nuclear export industry. A country can also import all or nearly all the components needed for the construction of nuclear power plants. In this case the importing country enjoys the benefits of facilities generating power without the advantages of a national nuclear industry. Industrialised countries generally find this solution undesirable save in exceptional circumstances, for example in the initial stages of a nuclear programme or in the case of specific nuclear components. Developing countries can also aim at a phased introduction of nuclear energy and try to combine the advantages of nuclear power production and the development of a national nuclear industry. Thus, in addition to the inherent advantages of nuclear plants as sources of electricity there are various ways in which the establishment of such plants can stimulate industry, namely through the use of nuclear and other ores utilizable in reactors, the promotion of ore-exploration activities, and the development of transformation industries.

  9. Development of a 0.1 kW thermoelectric power generator for military applications

    International Nuclear Information System (INIS)

    Menchen, W.R.

    1986-01-01

    A man-portable thermoelectric power source is being developed for the U.S. Army. Initially used as a dedicated power supply for the XM-21 Chemical Agent Alarm System, the set can also meet a variety of general purpose user requirements. Development of a thermoelectric power conversion device is being undertaken by the U.S. Army LABCOM Electronics Technology and Devices Laboratory to fill a need for a generator that is silent, lightweight, multi-fueled and reliable. The 0.1 kW Power Generator is rectangular in configuration and consists of a power module, electronic control assembly and fuel delivery system housed within a tubular structural frame. The generator operates on military fuels ranging from kerosene to diesel oil. Multi-fuel capability is achieved using an ultrasonic atomizer and regenerative burner developed specifically for this application. This paper provides the first public presentation of results achieved during the Advanced Development Phase of the 0.1 kW Power Generator. The development process is briefly traced with emphasis on a description of the system and test results obtained to date

  10. Development of a high power free-electron laser

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Jong Min; Lee, Byung Chul; Kim, Sun Kook; Jung, Yung Wook; Cho, Sung Oh [Korea Atomic Energy Research Institute, Taejon (Korea, Republic of)

    1995-01-01

    A millimeter-wave free electron laser (FEL) driven by a recirculating electrostatic accelerator has been developed. The wavelength of the FEL is tunable in the range of 3 - 12 mm by tuning the energy of the electron beam. The output power is estimated to be 1 kW. The electrostatic accelerator is composed of high-current electron gun, acceleration tube, high-voltage generator, high-voltage terminal, deceleration tube, electron collator, and vacuum pumps. Two types of LaB{sub 6}-based thermionic electron guns (triode gun and diode gun) and their power supplies have been developed. The voltage of the guns is 30 kV and the output current is - 2 A. A beam-focusing planar undulator and a permanent-magnet helical undulator have been developed and 3D trajectories of electron beam in the undulators have been calculated to find optimal input condition of electron beam. 135 figs, 15 pix, 17 tabs, 98 refs. (Author).

  11. Development of a high power free-electron laser

    International Nuclear Information System (INIS)

    Lee, Jong Min; Lee, Byung Chul; Kim, Sun Kook; Jung, Yung Wook; Cho, Sung Oh

    1995-01-01

    A millimeter-wave free electron laser (FEL) driven by a recirculating electrostatic accelerator has been developed. The wavelength of the FEL is tunable in the range of 3 - 12 mm by tuning the energy of the electron beam. The output power is estimated to be 1 kW. The electrostatic accelerator is composed of high-current electron gun, acceleration tube, high-voltage generator, high-voltage terminal, deceleration tube, electron collator, and vacuum pumps. Two types of LaB 6 -based thermionic electron guns (triode gun and diode gun) and their power supplies have been developed. The voltage of the guns is 30 kV and the output current is - 2 A. A beam-focusing planar undulator and a permanent-magnet helical undulator have been developed and 3D trajectories of electron beam in the undulators have been calculated to find optimal input condition of electron beam. 135 figs, 15 pix, 17 tabs, 98 refs. (Author)

  12. Nuclear renaissance in Asia. Energy security and development of nuclear power generation system

    International Nuclear Information System (INIS)

    Nakasugi, Hideo

    2009-01-01

    The energy policy and strategy of development of nuclear power generation system of China, India and Korea are stated on the basis of use of light water reactors (LWRs). The conditions of power generation and introduction plans of nuclear energy of other Asian countries such as Vietnam, Thailand, Indonesia, Malaysia and Philippines are described. The power plant capacity of China increased from 50,500 MW in 2004, to 65,000 MW in 2005, and the target value is 40,000 MW of operating nuclear plants and 18,000 MW in building in 2020. China is lagging behind in peaceful use of nuclear energy technologies. A plan for the reform of nuclear industry and nuclear power generation projects of China are summarized. Total power plant capacity of India is 145,000 MW, but the nuclear plant capacity is 4,120 MW in 2008 and 63,000 MW of the target in 2032. Development of nuclear power, circumstance, and cooperation with other countries' industries are explained. 17,716 MW of nuclear power is in operation, 6,800 MW in building and 2,800 MW in the planning stage in Korea. History of development of national reactors and the subjects of development of the fourth generation reactor of Korea are stated. Management system of nuclear power plants in China, technical bases of nuclear power plants in China, development system of nuclear power generation in India, the conditions of power production of Korea in 2008, the capacity factor of Korea, Japan and world from 1998 to 2008, and comparison of nuclear industries in China, India and Korea are illustrated. (S.Y.)

  13. Development of software to improve AC power quality on large spacecraft

    Science.gov (United States)

    Kraft, L. Alan

    1991-01-01

    To insure the reliability of a 20 kHz, alternating current (AC) power system on spacecraft, it is essential to analyze its behavior under many adverse operating conditions. Some of these conditions include overloads, short circuits, switching surges, and harmonic distortions. Harmonic distortions can become a serious problem. It can cause malfunctions in equipment that the power system is supplying, and, during distortions such as voltage resonance, it can cause equipment and insulation failures due to the extreme peak voltages. To address the harmonic distortion issue, work was begun under the 1990 NASA-ASEE Summer Faculty Fellowship Program. Software, originally developed by EPRI, called HARMFLO, a power flow program capable of analyzing harmonic conditions on three phase, balanced, 60 Hz AC power systems, was modified to analyze single phase, 20 kHz, AC power systems. Since almost all of the equipment used on spacecraft power systems is electrically different from equipment used on terrestrial power systems, it was also necessary to develop mathematical models for the equipment to be used on the spacecraft. The modelling was also started under the same fellowship work period. Details of the modifications and models completed during the 1990 NASA-ASEE Summer Faculty Fellowship Program can be found in a project report. As a continuation of the work to develop a complete package necessary for the full analysis of spacecraft AC power system behavior, deployment work has continued through NASA Grant NAG3-1254. This report details the work covered by the above mentioned grant.

  14. Comparison Study on Low Energy Physics Model of GEANT4

    International Nuclear Information System (INIS)

    Park, So Hyun; Jung, Won Gyun; Suh, Tae Suk

    2010-01-01

    The Geant4 simulation toolkit provides improved or renewed physics model according to the version. The latest Geant4.9.3 which has been recoded by developers applies inserted Livermore data and renewed physics model to the low energy electromagnetic physics model. And also, Geant4.9.3 improved the physics factors by modified code. In this study, the stopping power and CSDA(Continuously Slowing Down Approximation) range data of electron or particles were acquired in various material and then, these data were compared with NIST(National Institute of Standards and Technology) data. Through comparison between data of Geant4 simulation and NIST, the improvement of physics model on low energy electromagnetic of Geant4.9.3 was evaluated by comparing the Geant4.9.2

  15. Development of standard reference samples for diffractometry

    International Nuclear Information System (INIS)

    Galvao, Antonio de Sant'Ana

    2011-01-01

    In this work, samples of standard reference materials for diffractometry of polycrystals were developed. High-purity materials were submitted to mechanical and thermal treatments in order to present the adequate properties to be used as high-quality standard reference materials for powder diffraction, comparable to the internationally recognized produced by the USA National Institute of Standards and Technology NIST, but at lower costs. The characterization of the standard materials was performed by measurements in conventional X-ray diffraction diffractometers, high resolution neutron diffraction and high-resolution synchrotron diffraction. The lattice parameters were calculated by extrapolation of the values obtained from each X-ray reflection against cos 2 θ by the Least-Squares Method. The adjustments were compared to the values obtained by the Rietveld Method, using program GSAS. The materials thus obtained were the α-alumina, yttrium oxide, silicon, cerium oxide, lanthanum hexaboride and lithium fluoride. The standard reference materials produced present quality similar or, in some cases, superior to the standard reference materials produced and commercialized by the NIST. (author)

  16. Development of Android based Smart Power Saving System

    Science.gov (United States)

    Gupta, Ashutosh; Kumar, Pradeep; Ghosh, Tathagata; Bhawna, Shruthi. S.

    2017-08-01

    An android based smart power saving system has been presented in this paper. For this purpose, an application is developed for controlling the intensity of an AC supply using a dimmer circuit in android platform and to monitor the current flow on different intensity level a current sensor is used in the circuit. Dimmer circuit provides a 16-different intensity level to control the flow of current and help in power saving. The system is very simple and robust as it is based on android platform.

  17. Nuclear power influence on the development of engineering

    International Nuclear Information System (INIS)

    Ablewicz, Z.; Lojko, J.

    1976-01-01

    On the background of the development trends of the nuclear power, its fabourable influence on the progress in building is indicated. The most characteristic problems appearing in this branch of techniques are discussed. (author)

  18. Development of a VxWorks-based distributed power quality monitoring system

    Energy Technology Data Exchange (ETDEWEB)

    Shin, M.J.; Kim, S.J.; Son, Y.I.; Kang, S.H. [Myongji Univ., Yongin (Korea, Republic of). Next-generation Power Technology Center

    2007-07-01

    Electric utilities are becoming increasingly concerned about power quality because end user equipment is more sensitive to disturbances within the power supply system and also within the consumer facilities. In order to improve the quality of electricity, the sources and causes of disturbances must be known. However, voltage sag and swell, wave-faults and momentary interruptions are difficult to detect and avoid unless power quality monitoring devices are installed permanently. The impact that alternative energy sources have on power quality was also discussed. When distributed generation is connected to the power grid, it can generate and supply more reliable power to the grid. For a reliable interconnection of distributed power to the grid, monitoring systems should display the status of distributed power and record power events. Lack of source stability in distributed generation such as solar-cells or wind-power creates events that should be measured and stored immediately. This paper presented a newly developed real-time power quality monitoring system for distributed power systems. The system is based on a real-time operating system (OS) and can therefore handle many events that happen simultaneously. The proposed system contains a digital signal processor (MPC7410, Motorola) and an A/D board (VMIVME3122, GE). VxWorks was used to implement the monitoring algorithm. This paper outlined the structure and the functions of the developed Distributed Power Quality Monitoring System. Some experiments were conducted to test the performance of the proposed system. According to test results, the system is compatible with standards of the Institute of Electrical and Electronics Engineers (IEEE) for power quality monitoring. 15 refs., 1 tab., 18 figs.

  19. Korean views on needs for international cooperation in development and development of advanced nuclear power systems

    International Nuclear Information System (INIS)

    Yoon, Young Ku; Lee, Byong Whi; Shim, Chang Saeng.

    1993-01-01

    Korea methodology and experience in international cooperation in the field of construction and operation of nuclear power plants as well as Korean views on development and deployment of advanced nuclear nuclear power systems are presented

  20. The development of the Chinese nuclear power program

    International Nuclear Information System (INIS)

    Tournyol du Clos, A.

    2009-01-01

    The electricity production is steadily growing in China and the intense use of coal has led to various problems such as -) important contamination of urban areas, -) safety concerns in coal mines, and -) coal transport as the production regions are not the consumption regions. In 2004, Chinese authorities decided to accelerate the recourse to nuclear power. The main measures that were adopted followed: -) the development of the CPR1000 that is a Chinese improved version of the Areva 900 MW PWR; -) the development of a Chinese third generation reactor based on foreign design: 4 AP1000 and 2 EPR have been ordered; -) the adoption of a closed cycle for the fuel; -) the participation to international collaborations like GIF (Generation 4 International Forum) and to ITER. Today the number of operating power reactors in China is 11 and 26 have been ordered. The objective is to reach a share of 20% for nuclear power in the electricity production which means 250 GW installed by 2050. It appears that the nuclear renaissance has begun in Asia and real opportunities for the European nuclear industry are there. (A.C.)

  1. Tokamak Physics Experiment (TPX) power supply design and development

    International Nuclear Information System (INIS)

    Neumeyer, C.; Bronner, G.; Lu, E.; Ramakrishnan, S.

    1995-01-01

    The Tokamak Physics Experiment (TPX) is an advanced tokamak project aimed at the production of quasi-steady state plasmas with advanced shape, heating, and particle control. TPX is to be built at the Princeton Plasma Physics Laboratory (PPPL) using many of the facilities from the Tokamak Fusion Test Reactor (TFTR). TPX will be the first tokamak to utilize superconducting (SC) magnets in both the toroidal field (TF) and poloidal field (PF) systems. This new feature requires a departure from the traditional tokamak power supply schemes. This paper describes the plan for the adaptation of the PPPL/FTR power system facilities to supply TPX. Five major areas are addressed, namely the AC power system, the TF, PF and Fast Plasma Position Control (FPPC) power supplies, and quench protection for the TF and PF systems. Special emphasis is placed on the development of new power supply and protection schemes

  2. Nuclear power programmes in developing countries: Costs and financing

    International Nuclear Information System (INIS)

    Charpentier, J.P.; Bennett, L.L.

    1985-01-01

    This article refers to a seminar (organized by the IAEA) on Costs and Financing of Nuclear Power Programmes in Developing Countries held in Vienna from 9-12 September 1985. Its main objective was to promote a dialogue among the various parties involved in the domain of nuclear power financing, i.e. buyers, suppliers and financing organizations. At the meeting the Agency presented information showing that nuclear power plants are an economic means of generating electricity. In relation hereto the article deals with such topics as performance records, economic records, projected nuclear plant additions, financing constraints, current debt problems and new working relationships

  3. Nuclear Power Plants and Sustainable Development on a Liberalized Market

    International Nuclear Information System (INIS)

    Androcec, I.; Stanic, Z.; Tomsic, Z.

    2002-01-01

    Finding a way to generate electricity so as to satisfy the terms of sustainable development of the entire society is the only way which will secure safe energy future. If we talk about energy in the context of sustainable development, one of the most important element is environmental protection. Since CO 2 emissions stemming from electricity generation have predominant impact on climate change, one of the options for reducing emissions is the use of fuels without carbon, such as e.g. nuclear fuel. The future of nuclear power plants was considered in view of: nuclear fuel supply; potential impact of fuel cycle on environment, power plant operation, decommissioning and secondary products from electricity generation; and the entire nuclear power plant economy. Nuclear power plants were also examined in the context of the Kyoto Protocol stipulating reduction of greenhouse gases emissions. Nuclear power plants can not reduce CO 2 emissions in a short-term because they already operate with maximum output, but in a long-run they can play a significant role. This paper is aiming to analyse the role of nuclear power plants in long term environmental sustainability in electricity sector reform (liberalisation, deregulation, privatisation) in small or medium sized power supply systems. Nuclear power plants are associated with certain environmental aspects which will be taken into account. A comparison will be made through externalities with other energy resources, especially fossil fuels, which are prevailing energy resources, considering possible use of nuclear power plants in the countries with small and medium-size grids. It will be given an example of the role of NPP Krsko on air emissions reduction in Croatia. (author)

  4. Development of water demand coefficients for power generation from renewable energy technologies

    International Nuclear Information System (INIS)

    Ali, Babkir; Kumar, Amit

    2017-01-01

    Highlights: • Water consumption and withdrawals coefficients for renewable power generation were developed. • Six renewable energy sources (biomass, nuclear, solar, wind, hydroelectricity, and geothermal) were studied. • Life cycle water footprints for 60 electricity generation pathways were considered. • Impact of cooling systems for some power generation pathways was assessed. - Abstract: Renewable energy technology-based power generation is considered to be environmentally friendly and to have a low life cycle greenhouse gas emissions footprint. However, the life cycle water footprint of renewable energy technology-based power generation needs to be assessed. The objective of this study is to develop life cycle water footprints for renewable energy technology-based power generation pathways. Water demand is evaluated through consumption and withdrawals coefficients developed in this study. Sixty renewable energy technology-based power generation pathways were developed for a comprehensive comparative assessment of water footprints. The pathways were based on the use of biomass, nuclear, solar, wind, hydroelectricity, and geothermal as the source of energy. During the complete life cycle, power generation from bio-oil extracted from wood chips, a biomass source, was found to have the highest water demand footprint and wind power the lowest. During the complete life cycle, the water demand coefficients for biomass-based power generation pathways range from 260 to 1289 l of water per kilowatt hour and for nuclear energy pathways from 0.48 to 179 l of water per kilowatt hour. The water demand for power generation from solar energy-based pathways ranges from 0.02 to 4.39 l of water per kilowatt hour, for geothermal pathways from 0.04 to 1.94 l of water per kilowatt hour, and for wind from 0.005 to 0.104 l of water per kilowatt hour. A sensitivity analysis was conducted with varying conversion efficiencies to evaluate the impact of power plant performance on

  5. Phase I Development of Neutral Beam Injector Solid-State Power System

    Science.gov (United States)

    Prager, James; Ziemba, Timothy; Miller, Kenneth E.; Slobodov, Ilia; Anderson, Seth

    2017-10-01

    Neutral beam injection (NBI) is an important tool for plasma heating, current drive and a diagnostic at fusion science experiments around the United States, including tokamaks, validation platform experiments, and privately funded fusion concepts. Currently, there are no vendors in the United States for NBI power systems. Eagle Harbor Technologies (EHT), Inc. is developing a new power system for NBI that takes advantage of the latest developments in solid-state switching. EHT has developed a resonant converter that can be scaled to the power levels required for NBI at small-scale validation platform experiments like the Lithium Tokamak Experiment. This power system can be used to modulate the NBI voltages over the course of a plasma shot, which can lead to improved control over the plasma. EHT will present initial modeling used to design this system as well as experimental data showing operation at 15 kV and 40 A for 10 ms into a test load. With support of DOE SBIR.

  6. The development of nuclear power in France

    International Nuclear Information System (INIS)

    Vendryes, G.

    1985-01-01

    The author of this contribution, who read a paper on the same subject on the evening he was appointed Honorary Member of the Kerntechnische Gesellschaft (KTG), has been continuously engaged in a wide variety of activities within the French Atomic Energy Commission, CEA, for the past 32 years and has been in charge of the French breeder program since the late fifties. His analysis of the nuclear power situation in France and his survey of problems and development goals therefore is not only based on expert knowledge, but also reflects the official French idea of the rank nuclear power in the French energy supply policy and in the French economy. It shows that the foreseeable pronounced slowdown, due to declining demand, in the expansion of the network of nuclear power plants - a slowdown at a high level of capacity - does not detract from the growing importance of nuclear power in France. The awareness exists that this program can be, and must be, continued in its subareas. The French Government is convinced that the nuclear option was the only possible choice and that having decided in favor of it will pay even more in the future than it does already. (orig.) [de

  7. The Brazilian nuclear power manpower development programme

    International Nuclear Information System (INIS)

    Barbalho, A.R.; Spitalnik, J.; Machado, J.B.

    1983-01-01

    Since the early stages of decision making, manpower availability has been recognized to be a key factor for the implementation of Brazil's nuclear power programme. Though care has been given to securing an industrial base and financial resources, the consequences of a lack of sufficient qualified manpower could be critical for the success of the whole programme. The broad scope of the Brazilian nuclear power programme which, as a main concept, aimed at establishing in the country a complete fuel cycle industry together with the construction of nuclear power plants, added another burden to the already complex task of providing appropriate human resources when advanced technologies are introduced in a developing country. Thus, not only the work-force required for nuclear power plant operation but also that needed for plant design, component manufacture, fuel cycle plant design and operation, had to be made available in number and qualification in accordance with the standards of the nuclear industry. The feasibility of the Brazilian programme depended on a complete transfer of technology, essentially achieved through personnel training. Again, the process of manpower preparation for an efficient know-how transfer required careful planning, and the great difficulty in its implementation was the lack of reliable experience at the time. (author)

  8. [Development of "assessment guideline of family power for healthy life"].

    Science.gov (United States)

    Fukushima, M; Shimanouchi, S; Kamei, T; Takagai, E; Hoshino, Y; Sugiyama, I

    1997-12-01

    The purpose of this study is to develop "assessment guideline of family power for healthy life" aiming at expanding self-care power of family in community nursing practice. The subjects of this study covered those families in one hundred and fifty six instances that we had seized as subject for nursing care and study. The method of this study had constructed assessment guideline inductively out of each case, and modified it by applying to cases of families with health problems and others. As a result, we had formed nine items of "family power for healthy life" and three items of "conditions influencing family power for healthy life" for "assessment guideline of family power for healthy life".

  9. Atomic power development in USA

    International Nuclear Information System (INIS)

    Wiggin, E.

    1976-01-01

    Many problems concerning the atomic power development in USA are investigated and discussed. (Introduction of fast breeder reactors is not considered in this paper). The first problem is the raising of capital for plant construction. The second problem is the supply of uranium. Estimated amount of yellow cake and its price are presented and compared with estimated demands. It is concluded that 3.5x10 6 tons of yellow coke is sufficient for generating 7x10 8 KW of electric power up to about 2000. The third problem is the enrichment service. Balance of supply and demand is discussed together with the projected extension of existing plants and the construction of new plants. The completion of nuclear fuel cycle is discussed as the fourth problem. According to the author's opinion, technological problems of reprocessing, storing, waste disposal, and the utilization of mixed oxide fuel are not difficult to solve. Definite judgement of NRC and ERDA is strongly required. The last problem discussed in this paper is the public acceptance. The movements of anti-nuclear groups and the opinion of general public are analyzed and the role of AIF in presenting paper informations is discussed. (Aoki, K.)

  10. University role in nuclear power program in developing countries

    International Nuclear Information System (INIS)

    Notea, A.

    1977-01-01

    The academic education in nuclear engineering should be considered as a subsystem within the general nuclear program of the country as well as within the educational structure of the university. The academic trained personnel are of major importance as future participants in decisional and planning steps of the program. Hence, the ''production'' of academic manpower in this field should be started at the earliest steps. The nuclear engineering curriculum should be planned in accordance with the objectives stated by the power program and the challenges foreseen. Obviously, the objectives in a developing country are considerably different from those of developed countries highly advanced in the nuclear power field. The paper analyzes possible objectives in a developing country which intends to implement nuclear power program. In view of these objectives curricula planning for the undergraduate and graduate levels are presented and explained. The courses for undergraduates intend to provide basic information to relatively large numbers of students from various faculties, as they are expected to join the program at various constructional stages. Major emphasise is given to graduates as they will act in the cadre of senior engineers and officials of the country. The research works for theses in developed countries may be highly technical, dealing with crumbs of huge development project carried out on national or international level. Such research works are hardly justified in countries not involved in the project. In developing countries the problems to be confronted with are mainly licensing and siting and to much less extent nuclear power technology. Hence the choice of subjects for theses should be coherent with these directions. Obviously, the subjects are bound to the department manpower and budgetary limitations. As a demonstration two fields were analysed under our local constraints and objectives. Subjects suitable for theses are pointed out. The fields dealt

  11. High-power ultrasonic processing: Recent developments and prospective advances

    Science.gov (United States)

    Gallego-Juarez, Juan A.

    2010-01-01

    Although the application of ultrasonic energy to produce or to enhance a wide variety of processes have been explored since about the middle of the 20th century, only a reduced number of ultrasonic processes have been established at industrial level. However, during the last ten years the interest in ultrasonic processing has revived particularly in industrial sectors where the ultrasonic technology may represent a clean and efficient tool to improve classical existing processes or an innovation alternative for the development of new processes. Such seems to be the case of relevant sectors such as food industry, environment, pharmaceuticals and chemicals manufacture, machinery, mining, etc where power ultrasound is becoming an emerging technology for process development. The possible major problem in the application of high-intensity ultrasound on industrial processing is the design and development of efficient power ultrasonic systems (generators and reactors) capable of large scale successful operation specifically adapted to each individual process. In the area of ultrasonic processing in fluid media and more specifically in gases, the development of the steppedplate transducers and other power ge with extensive radiating surface has strongly contributed to the implementation at semi-industrial and industrial stage of several commercial applications, in sectors such as food and beverage industry (defoaming, drying, extraction, etc), environment (air cleaning, sludge filtration, etc...), machinery and process for manufacturing (textile washing, paint manufacture, etc). The development of different cavitational reactors for liquid treatment in continuous flow is helping to introduce into industry the wide potential of the area of sonochemistry. Processes such as water and effluent treatment, crystallization, soil remediation, etc have been already implemented at semi-industrial and/or industrial stage. Other single advances in sectors like mining or energy have

  12. Possibilities for Further Wind Power Development in Croatia According to Natura 2000 Sites

    International Nuclear Information System (INIS)

    Juratek, I.

    2016-01-01

    The impact of power plants on the environment has become an essential element of planning and development of the power sector considering the increase of environmental awareness in recent years. Therefore, environmental acceptability is often more important than the energy and economic values of the particular power plant. Renewable energy sources play significant role in reducing carbon dioxide (CO2) emissions and constitute key part of the Climate and Energy Policy. Despite their importance, the development of renewables is still faced with many obstacles. Nowadays, there are 19 wind power plants in Croatia and a Contract to Purchase Electricity for 10 more plants has been signed with the authorized operator (HROTE). In addition to the possibilities of connecting to the electricity grid, further development of the wind power projects will largely depend on successful issuance of the approval by the Ministry of Environmental and Nature Protection of the Republic of Croatia, which entitles the developer to proceed with the project. Stopping the development of wind power projects due to the impact on the ecological network has already become a reality. Such scenario seems increasingly likely for the development of new projects due to cumulative impact of the wind farms on the environment. Since it is evident that the county's spatial plans have too many locations intended for the wind power projects, this paper provides both spatial and environmental analysis of the possibilities for further wind power development in regards to the target species and habitats, as well as the integrity of the NATURA 2000 area. The paper is concluded with several recommendations.(author).

  13. The future of nuclear energy: A perspective on nuclear power development

    International Nuclear Information System (INIS)

    Sackett, J. I.

    2000-01-01

    The author begins by discussing the history of nuclear power development in the US. He discusses the challenges for nuclear power such as the proliferation of weapons material, waste management, economics, and safety. He then discusses the future for nuclear power, specifically advanced reactor development. People can all be thankful for nuclear power, for it may well be essential to the long term survival of civilization. Within the seeds of its potential for great good, are also the seeds for great harm. People must ensure that it is applied for great good. What is not in question is whether people can live without it, they cannot. United States leadership is crucial in determining how this technology is developed and applied. The size and capability of the United States technical community is decreasing, a trend that cannot be allowed to continue. It is the author's belief that in the future, the need, the vision and the confidence in nuclear power will be restored, but only if the US addresses the immediate challenges. It is a national challenge worthy of the best people this nation has to offer

  14. Professional development for nuclear power programs in developing countries

    International Nuclear Information System (INIS)

    Kanter, M.A.

    1983-01-01

    Countries entering nuclear power programs for the first time find that inadequate planning for the development of trained manpower is a critical factor in the success of their programs. This requires the early training of a team for the planning and acquisition effort to be followed by training for the supervision of construction. In addition, there is the more readily recognized training for operation. Typical manpower needs for such projects have been documented by the International Atomic Energy Agency. The basic academic training of engineers and scientists, which should be available within the country; advanced academic training, which is often secured in institutions abroad; specialized training abroad by international agencies; specialized training by the vendors of nuclear equipment; and the development of indigenous training. This paper outlines all of these avenues but will concentrate on the training available through international agencies and on the development of indigenous training capability

  15. Development of home power management system | Apeh | Nigerian ...

    African Journals Online (AJOL)

    Development of home power management system. ... The unit also exhibited good implementation of the timing algorithm for all programmed outputs. It switched "ON" ... This flexibility in an automation system is one strong point of this device.

  16. Banquet speech: nuclear power, competition and sustainable development

    International Nuclear Information System (INIS)

    Strong, M.F.

    1995-01-01

    The essential ingredients of sustainable development are economics and efficiency in the use of energy and materials, and in the prevention, disposal and recycling of wastes. Nuclear power will continue to be an important means of electricity generation for the foreseeable future but the extent to which this will be the case depends on the nuclear industry resolving public concerns over environmental, health and safety risks, and competing successfully with other generating technologies. In the final analysis, the future of nuclear power will be determined primarily by economic considerations. (UK)

  17. Development and advances in conventional high power RF systems

    International Nuclear Information System (INIS)

    Wilson, P.B.

    1995-06-01

    The development of rf systems capable of producing high peak power (hundreds of megawatts) at relatively short pulse lengths (0.1--5 microseconds) is currently being driven mainly by the requirements of future high energy linear colliders, although there may be applications to industrial, medical and research linacs as well. The production of high peak power rf typically involves four basic elements: a power supply to convert ac from the ''wall plug'' to dc; a modulator, or some sort of switching element, to produce pulsed dc power; an rf source to convert the pulsed dc to pulsed rf power; and possibly an rf pulse compression system to further enhance the peak rf power. Each element in this rf chain from wall plug to accelerating structure must perform with high efficiency in a linear collider application, such that the overall system efficiency is 30% or more. Basic design concepts are discussed for klystrons, modulators and rf pulse compression systems, and their present design status is summarized for applications to proposed linear colliders

  18. High-Efficiency Solar-Powered 3-D Printers for Sustainable Development

    Directory of Open Access Journals (Sweden)

    Jephias Gwamuri

    2016-01-01

    Full Text Available The release of the open source 3-D printer known as the RepRap (a self-Replicating Rapid prototyper resulted in the potential for distributed manufacturing of products for significantly lower costs than conventional manufacturing. This development, coupled with open source-appropriate technology (OSAT, has enabled the opportunity for 3-D printers to be used for sustainable development. In this context, OSAT provides the opportunity to modify and improve the physical designs of their printers and desired digitally-shared objects. However, these 3-D printers require electricity while more than a billion people still lack electricity. To enable the utilization of RepRaps in off-grid communities, solar photovoltaic (PV-powered mobile systems have been developed, but recent improvements in novel delta-style 3-D printer designs allows for reduced costs and improved performance. This study builds on these innovations to develop and experimentally validate a mobile solar-PV-powered delta 3-D printer system. It is designed to run the RepRap 3-D printer regardless of solar flux. The electrical system design is tested outdoors for operating conditions: (1 PV charging battery and running 3-D printer; (2 printing under low insolation; (3 battery powering the 3-D printer alone; (4 PV charging the battery only; and (5 battery fully charged with PV-powered 3-D printing. The results show the system performed as required under all conditions providing feasibility for adoption in off-grid rural communities. 3-D printers powered by affordable mobile PV solar systems have a great potential to reduce poverty through employment creation, as well as ensuring a constant supply of scarce products for isolated communities.

  19. Intelligent (Autonomous) Power Controller Development for Human Deep Space Exploration

    Science.gov (United States)

    Soeder, James; Raitano, Paul; McNelis, Anne

    2016-01-01

    As NASAs Evolvable Mars Campaign and other exploration initiatives continue to mature they have identified the need for more autonomous operations of the power system. For current human space operations such as the International Space Station, the paradigm is to perform the planning, operation and fault diagnosis from the ground. However, the dual problems of communication lag as well as limited communication bandwidth beyond GEO synchronous orbit, underscore the need to change the operation methodology for human operation in deep space. To address this need, for the past several years the Glenn Research Center has had an effort to develop an autonomous power controller for human deep space vehicles. This presentation discusses the present roadmap for deep space exploration along with a description of conceptual power system architecture for exploration modules. It then contrasts the present ground centric control and management architecture with limited autonomy on-board the spacecraft with an advanced autonomous power control system that features ground based monitoring with a spacecraft mission manager with autonomous control of all core systems, including power. It then presents a functional breakdown of the autonomous power control system and examines its operation in both normal and fault modes. Finally, it discusses progress made in the development of a real-time power system model and how it is being used to evaluate the performance of the controller and well as using it for verification of the overall operation.

  20. Feasible reactor power cutback logic development for an integral reactor

    International Nuclear Information System (INIS)

    Han, Soon-Kyoo; Lee, Chung-Chan; Choi, Suhn; Kang, Han-Ok

    2013-01-01

    Major features of integral reactors that have been developed around the world recently are simplified operating systems and passive safety systems. Even though highly simplified control system and very reliable components are utilized in the integral reactor, the possibility of major component malfunction cannot be ruled out. So, feasible reactor power cutback logic is required to cope with the malfunction of components without inducing reactor trip. Simplified reactor power cutback logic has been developed on the basis of the real component data and operational parameters of plant in this study. Due to the relatively high rod worth of the integral reactor the control rod assembly drop method which had been adapted for large nuclear power plants was not desirable for reactor power cutback of the integral reactor. Instead another method, the control rod assembly control logic of reactor regulating system controls the control rod assembly movements, was chosen as an alternative. Sensitivity analyses and feasibility evaluations were performed for the selected method by varying the control rod assembly driving speed. In the results, sensitivity study showed that the performance goal of reactor power cutback system could be achieved with the limited range of control rod assembly driving speed. (orig.)