Sample records for northern states pwr

  1. Northern States Metals Company | Open Energy Information

    Open Energy Info (EERE)

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  2. Northern States Power Co - Wisconsin (Michigan) | Open Energy Information

    Open Energy Info (EERE)

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  3. Northern States Power Co - Minnesota | Open Energy Information

    Open Energy Info (EERE)

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  4. Northern States Power Co - Wisconsin | Open Energy Information

    Open Energy Info (EERE)

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  5. PP-231 Northern States Power Company | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern States Power

  6. Northern States Power Co (Wisconsin) | Open Energy Information

    Open Energy Info (EERE)

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  7. Northern States Power Co - Minnesota (North Dakota) | Open Energy

    Open Energy Info (EERE)

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  8. Northern States Power Co - Minnesota (South Dakota) | Open Energy

    Open Energy Info (EERE)

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  9. Northern States Power Co - Minnesota | Open Energy Information

    Open Energy Info (EERE)

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  10. Northern States Power Co - Minnesota (South Dakota) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to:Information Northern States

  11. Northern States Power Co - Wisconsin | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to:InformationNorthern States

  12. RELAP-7 Level 2 Milestone Report: Demonstration of a Steady State Single Phase PWR Simulation with RELAP-7

    SciTech Connect (OSTI)

    David Andrs; Ray Berry; Derek Gaston; Richard Martineau; John Peterson; Hongbin Zhang; Haihua Zhao; Ling Zou

    2012-05-01T23:59:59.000Z

    The document contains the simulation results of a steady state model PWR problem with the RELAP-7 code. The RELAP-7 code is the next generation nuclear reactor system safety analysis code being developed at Idaho National Laboratory (INL). The code is based on INL's modern scientific software development framework - MOOSE (Multi-Physics Object-Oriented Simulation Environment). This report summarizes the initial results of simulating a model steady-state single phase PWR problem using the current version of the RELAP-7 code. The major purpose of this demonstration simulation is to show that RELAP-7 code can be rapidly developed to simulate single-phase reactor problems. RELAP-7 is a new project started on October 1st, 2011. It will become the main reactor systems simulation toolkit for RISMC (Risk Informed Safety Margin Characterization) and the next generation tool in the RELAP reactor safety/systems analysis application series (the replacement for RELAP5). The key to the success of RELAP-7 is the simultaneous advancement of physical models, numerical methods, and software design while maintaining a solid user perspective. Physical models include both PDEs (Partial Differential Equations) and ODEs (Ordinary Differential Equations) and experimental based closure models. RELAP-7 will eventually utilize well posed governing equations for multiphase flow, which can be strictly verified. Closure models used in RELAP5 and newly developed models will be reviewed and selected to reflect the progress made during the past three decades. RELAP-7 uses modern numerical methods, which allow implicit time integration, higher order schemes in both time and space, and strongly coupled multi-physics simulations. RELAP-7 is written with object oriented programming language C++. Its development follows modern software design paradigms. The code is easy to read, develop, maintain, and couple with other codes. Most importantly, the modern software design allows the RELAP-7 code to evolve with time. RELAP-7 is a MOOSE-based application. MOOSE (Multiphysics Object-Oriented Simulation Environment) is a framework for solving computational engineering problems in a well-planned, managed, and coordinated way. By leveraging millions of lines of open source software packages, such as PETSC (a nonlinear solver developed at Argonne National Laboratory) and LibMesh (a Finite Element Analysis package developed at University of Texas), MOOSE significantly reduces the expense and time required to develop new applications. Numerical integration methods and mesh management for parallel computation are provided by MOOSE. Therefore RELAP-7 code developers only need to focus on physics and user experiences. By using the MOOSE development environment, RELAP-7 code is developed by following the same modern software design paradigms used for other MOOSE development efforts. There are currently over 20 different MOOSE based applications ranging from 3-D transient neutron transport, detailed 3-D transient fuel performance analysis, to long-term material aging. Multi-physics and multiple dimensional analyses capabilities can be obtained by coupling RELAP-7 and other MOOSE based applications and by leveraging with capabilities developed by other DOE programs. This allows restricting the focus of RELAP-7 to systems analysis-type simulations and gives priority to retain and significantly extend RELAP5's capabilities.

  13. Origin Basin Destination State STB EIA STB EIA Northern Appalachian...

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    20.69 19.60 -5.3% 74.23 26.4% 4,845 31.9% 97.7% Northern Appalachian Basin Michigan 13.74 16.13 17.4% 99.82 16.2% 840 32.1% 100.0% Northern Appalachian Basin New...

  14. Origin Basin Destination State STB EIA STB EIA Northern Appalachian...

    Gasoline and Diesel Fuel Update (EIA)

    19.73 19.64 -0.4% 81.15 24.2% 4,650 24.8% 99.3% Northern Appalachian Basin Michigan W 14.02 W 76.22 18.4% 713 W 100.0% Northern Appalachian Basin New Hampshire W...

  15. Northern States Power Co - Wisconsin | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCaliforniaNorthern Rio ArribaNorthern

  16. Northern States Power Co - Minnesota | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to:Information NorthernNorthern

  17. PP-45 Northern States Power Company | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern9-151 Mirias23

  18. PP-63 Northern States Power Company (NSP) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern9-1518-3-12

  19. PP-45 Northern States Power Company | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in235-1 Termoelectrica U.S LLC PP-235-1PP-32PP-40-1 UNSPP-45 Northern

  20. Northern States Power Co - Minnesota (North Dakota) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCaliforniaNorthern Rio Arriba E

  1. Northern States Power Co - Minnesota (South Dakota) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCaliforniaNorthern Rio Arriba

  2. Northern States Power Co - Minnesota (South Dakota) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to:Information Northern

  3. EA-282 Northern States Power Company | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy China 2015 Business42.1Energy |Final Site-WideBPAPower Marketing,CPNorthern States Power

  4. PP-63-1 Northern States Power Company (NSP) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in235-1 Termoelectrica U.S LLCPP-63-1 Northern States Power Company (NSP)

  5. PP-63-2 Northern States Power Company (NSP) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in235-1 Termoelectrica U.S LLCPP-63-1 Northern States Power Company

  6. PP-63-3 Northern States Power Company (NSP) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in235-1 Termoelectrica U.S LLCPP-63-1 Northern States Power

  7. PP-63-4 Northern States Power Company (NSP) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in235-1 Termoelectrica U.S LLCPP-63-1 Northern States PowerPP-63-4

  8. On achieving the state's household recycling target: A case study of Northern New Jersey, USA

    SciTech Connect (OSTI)

    Otegbeye, M.; Abdel-Malek, L. [Department of Industrial and Management Systems Engineering, New Jersey Institute of Technology, Newark, NJ 07102 (United States); Hsieh, H.N. [Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, NJ 07102 (United States); Meegoda, J.N. [Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, NJ 07102 (United States)], E-mail: meegoda@njit.edu

    2009-02-15T23:59:59.000Z

    In recent times, the State of New Jersey (USA) has been making attempts at promoting recycling as an environmentally friendly means of attaining self-sufficiency at waste disposal, and the state has put in place a 50% recycling target for its municipal solid waste stream. While the environmental benefits of recycling are obvious, a recycling program must be cost effective to ensure its long-term sustainability. In this paper, a linear programming model is developed to examine the current state of recycling in selected counties in Northern New Jersey and assess the needs to achieve the state's recycling goal in these areas. The optimum quantities of waste to be sent to the different waste facilities, which include landfills, incinerators, transfer stations, recycling and composting plants, are determined by the model. The study shows that for these counties, the gap between the current waste practices where the recycling rate stands at 32% and the state's goal can be bridged by more efficient utilization of existing facilities and reasonable investment in expanding those for recycling activities.

  9. Projected climate change effects on winterkill in shallow lakes in the northern United States

    SciTech Connect (OSTI)

    Fang, X.; Stefan, H.G.

    2000-03-01T23:59:59.000Z

    Each winter, hundreds of ice-covered, shallow lakes in the northern US are aerated to prevent winterkill, the death of fish due to oxygen depletion under the ice. How will the projected climate warming influence winterkill and the need to artificially aerate lakes? To answer this question, a deterministic, one-dimensional year-round water quality model, which simulates daily dissolved oxygen (DO) profiles and associated water temperatures as well as ice/snow covers on lakes, was applied. Past and projected climate scenarios were investigated. The lake parameters required as model input are surface area, maximum depth, and Secchi depth as a measure of radiation attenuation and trophic state. The model is driven by daily weather data. Weather records from 209 stations in the contiguous US for the period 1961--1979 were used to represent past climate conditions. The projected climate change due to a doubling of atmospheric CO{sub 2} was obtained from the output of the Canadian Climate Center General Circulation Model. To illustrate the effect of projected climate change on lake DO characteristics, the authors present herein DO information simulated, respectively, with inputs of past climate conditions and with a projected 2 x CO{sub 2} climate scenario, as well as differences of those values. Specific parameters obtained were minimum under-ice and lake bottom DO concentration in winter, duration of under-ice anoxic conditions and low DO conditions, and percentage of anoxic and low DO lake volumes during the ice cover period. Under current climate conditions winterkill occurs typically in shallow eutrophic lakes of the northern contiguous US. Climate warming is projected to eliminate winterkill in these lakes. This would be a positive effect of climate warming. Fish species under ice may still experience periods of stress and zero growth due to low DO conditions under projected climate warming.

  10. Interim operations report for atmospheric fluidized-bed combustion conversion at Northern States Power Company

    SciTech Connect (OSTI)

    Thimsen, D. (Hamilton Maurer International, Inc., Falcon Heights, MN (USA))

    1991-03-01T23:59:59.000Z

    Northern States Power Company converted its Black Dog Station Unit No. 2 boiler from a front wall fired pulverized coal boiler to a bubbling atmospheric fluidized bed combustor (AFBC) boiler. The resulting unit was uprated from 85 MWe to 130 MWe burning western subbituminous coal. This report describes the AFBC operating and maintenance experience in the startup period from initial operation in June 1986 through March 1989 when a turbine oil fire caused a forced outage of 8 months. A brief review of the construction history is given in Section 1. Section 2 chronicles the AFBC operation. Section 3 describes how the boiler is restarted under several conditions. The performance history of the systems in the AFBC that are peculiar to the AFBC process or directly impacted by the AFBC process are described in detail in Section 4. The AFBC conversion at the Black Dog station has met nearly all of the original design objectives: (1) The unit can operate at rated output of 130 MWe burning western subbituminous coal, (2) The design life of the unit has been extended 25 years, (3) It has been shown that the EPA New Source Performance Standards for NO{sub x} and SO{sub 2} can be met with no flue gas treatment, (4) Operators have conducted over 200 routine daily unit restarts confirming the ability of the unit to serve in daily cycling mode, and (5) A variety of fuels have been successfully burned in the AFBC. The only objective that remains partially achieved is routine operation at full load. The boiler/turbine/generator have been shown to be fully capable of operation at full load, but the electrostatic precipitators (which were largely unchanged during the retrofit) have been inadequate to allow full load operation while remaining within permitted opacity and particulate emissions. The unit is currently dispatched in daily cycling service and is limited to operation below 106 MWe by its emissions control permit. 12 refs., 34 figs., 6 tabs.

  11. BWR Fuel Assembly BWR Fuel Assembly PWR Fuel Assembly

    National Nuclear Security Administration (NNSA)

    BWR Fuel Assembly BWR Fuel Assembly PWR Fuel Assembly PWR Fuel Assembly The PWR 17x17 assembly is approximately 160 inches long (13.3 feet), 8 inches across, and weighs 1,500 lbs....

  12. Bias identification in PWR pressurizer instrumentation using the generalized liklihood-ratio technique

    SciTech Connect (OSTI)

    Tylee, J.L.

    1981-01-01T23:59:59.000Z

    A method for detecting and identifying biases in the pressure and level sensors of a pressurized water reactor (PWR) pressurizer is described. The generalized likelihood ratio (GLR) technique performs statistical tests on the innovations sequence of a Kalman filter state estimator and is capable of determining when a bias appears, in what sensor the bias exists, and estimating the bias magnitude. Simulation results using a second-order linear, discrete PWR pressurizer model demonstrate the capabilities of the GLR method.

  13. Dispersed-flow film boiling in rod-bundle geometry: steady-state heat-transfer data and correlation comparisons. [PWR; BWR

    SciTech Connect (OSTI)

    Yoder, G. L.; Morris, D. G.; Mullins, C. B.; Ott, L. J.; Reed, D. A.

    1982-03-01T23:59:59.000Z

    Assessment of six film boiling correlations and one single-phase vapor correlation has been made using data from 22 steady state upflow rod bundle tests (series 3.07.9). Bundle fluid conditions were calculated using energy and mass conservation considerations. Results of the steady state film boiling tests support the conclusions reached in the analysis of prior transient tests 3.03.6AR, 3.06.6B, and 3.08.6C. Comparisons between experimentally determined and correlation-predicted heat transfer coefficients, are presented.

  14. Condensate polishing guidelines for PWR and BWR plants

    SciTech Connect (OSTI)

    Robbins, P.; Crinigan, P.; Graham, B.; Kohlmann, R.; Crosby, C.; Seager, J.; Bosold, R.; Gillen, J.; Kristensen, J.; McKeen, A.; Jones, V.; Sawochka, S.; Siegwarth, D.; Keeling, D.; Polidoroff, T.; Morgan, D.; Rickertsen, D.; Dyson, A.; Mills, W.; Coleman, L.

    1993-03-01T23:59:59.000Z

    Under EPRI sponsorship, an industry committee, similar in form and operation to other guideline committees, was created to develop Condensate Polishing Guidelines for both PWR and BWR systems. The committee reviewed the available utility and water treatment industry experience on system design and performance and incorporated operational and state-of-the-art information into document. These guidelines help utilities to optimize present condensate polisher designs as well as be a resource for retrofits or new construction. These guidelines present information that has not previously been presented in any consensus industry document. The committee generated guidelines that cover both deep bed and powdered resin systems as an integral part of the chemistry of PWR and BWR plants. The guidelines are separated into sections that deal with the basis for condensate polishing, system design, resin design and application, data management and performance and management responsibilities.

  15. EIS-0032: 500 kV International Transmission Line NSP-TR-1, Forbes, Minnesota to Manitoba, Canada, Northern States Power Company

    Broader source: Energy.gov [DOE]

    The Economic Regulatory Administration developed this EIS to evaluate the environmental impacts of a 500-kilovolt transmission line proposed by the Northern States Power Company to provide a transmission facility for the exchange of electrical energy between Canada and the United States.

  16. PP-45-1 Northern States Power Company | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern9-151 Mirias231

  17. PP-45-2 Northern States Power Company | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern9-151 Mirias2312

  18. PP-63-1 Northern States Power Company (NSP) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern9-1518-3-121

  19. PP-63-2 Northern States Power Company (NSP) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern9-1518-3-1212

  20. PP-63-3 Northern States Power Company (NSP) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern9-1518-3-12123

  1. PP-63-4 Northern States Power Company (NSP) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern9-1518-3-12123-4

  2. PP-45-1 Northern States Power Company | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in235-1 Termoelectrica U.S LLC PP-235-1PP-32PP-40-1 UNSPP-45 Northern45-1

  3. Biomass yields for small trees, shrubs, and herbs in northern lake states forests. Forest Service research paper

    SciTech Connect (OSTI)

    Smith, W.B.

    1986-01-01T23:59:59.000Z

    Biomass yield information by forest type is presented for lesser vegetation in northern Michigan, Wisconsin, and Minnesota based on data from recent field inventories.

  4. Preliminary study on direct recycling of spent PWR fuel in PWR system

    SciTech Connect (OSTI)

    Waris, Abdul; Nuha; Novitriana; Kurniadi, Rizal; Su'ud, Zaki [Nuclear Physics and Biophysics Research Division, Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesa 10 Bandung 40132 (Indonesia)

    2012-06-06T23:59:59.000Z

    Preliminary study on direct recycling of PWR spent fuel to support SUPEL (Straight Utilization of sPEnt LWR fuel in LWR system) scenario has been conducted. Several spent PWR fuel compositions in loaded PWR fuel has been evaluated to obtain the criticality of reactor. The reactor can achieve it criticality for U-235 enrichment in the loaded fresh fuel is at least 4.0 a% with the minimum fraction of the spent fuel in the core is 15.0 %. The neutron spectra become harder with the escalating of U-235 enrichment in the loaded fresh fuel as well as the amount of the spent fuel in the core.

  5. applications pwr bwr: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    reactivity and power distributions ... Inoue, Yuichiro, 1969- 2004-01-01 5 Ris9-R-609(EN) Simulation ofa PWR Power Plant Multidisciplinary Databases and Resources Websites Summary:...

  6. Performance evaluation of two-stage fuel cycle from SFR to PWR

    SciTech Connect (OSTI)

    Fei, T.; Hoffman, E.A.; Kim, T.K.; Taiwo, T.A. [Nuclear Engineering Division Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL (United States)

    2013-07-01T23:59:59.000Z

    One potential fuel cycle option being considered is a two-stage fuel cycle system involving the continuous recycle of transuranics in a fast reactor and the use of bred plutonium in a thermal reactor. The first stage is a Sodium-cooled Fast Reactor (SFR) fuel cycle with metallic U-TRU-Zr fuel. The SFRs need to have a breeding ratio greater than 1.0 in order to produce fissile material for use in the second stage. The second stage is a PWR fuel cycle with uranium and plutonium mixed oxide fuel based on the design and performance of the current state-of-the-art commercial PWRs with an average discharge burnup of 50 MWd/kgHM. This paper evaluates the possibility of this fuel cycle option and discusses its fuel cycle performance characteristics. The study focuses on an equilibrium stage of the fuel cycle. Results indicate that, in order to avoid a positive coolant void reactivity feedback in the stage-2 PWR, the reactor requires high quality of plutonium from the first stage and minor actinides in the discharge fuel of the PWR needs to be separated and sent back to the stage-1 SFR. The electricity-sharing ratio between the 2 stages is 87.0% (SFR) to 13.0% (PWR) for a TRU inventory ratio (the mass of TRU in the discharge fuel divided by the mass of TRU in the fresh fuel) of 1.06. A sensitivity study indicated that by increasing the TRU inventory ratio to 1.13, The electricity generation fraction of stage-2 PWR is increased to 28.9%. The two-stage fuel cycle system considered in this study was found to provide a high uranium utilization (>80%). (authors)

  7. Ris9-R-609(EN) Simulation ofa PWR Power Plant

    E-Print Network [OSTI]

    Ris9-R-609(EN) Simulation ofa PWR Power Plant for Process Control and Diagnosis Finn Ravnsbjerg Nielsen Risø National Laboratory, Roskilde, Denmark December 1991 #12;Simulation of a PWR Power Plant *^R a compute simulation of a simplified pressurized nuclear power plant model directed towards process control

  8. Zebra: An advanced PWR lattice code

    SciTech Connect (OSTI)

    Cao, L.; Wu, H.; Zheng, Y. [School of Nuclear Science and Technology, Xi'an Jiaotong Univ., No. 28, Xianning West Road, Xi'an, ShannXi, 710049 (China)

    2012-07-01T23:59:59.000Z

    This paper presents an overview of an advanced PWR lattice code ZEBRA developed at NECP laboratory in Xi'an Jiaotong Univ.. The multi-group cross-section library is generated from the ENDF/B-VII library by NJOY and the 361-group SHEM structure is employed. The resonance calculation module is developed based on sub-group method. The transport solver is Auto-MOC code, which is a self-developed code based on the Method of Characteristic and the customization of AutoCAD software. The whole code is well organized in a modular software structure. Some numerical results during the validation of the code demonstrate that this code has a good precision and a high efficiency. (authors)

  9. Fuel cycle optimization of thorium and uranium fueled PWR systems

    E-Print Network [OSTI]

    Garel, Keith Courtnay

    1977-01-01T23:59:59.000Z

    The burnup neutronics of uniform PWR lattices are examined with respect to reduction of uranium ore requirements with an emphasis on variation of the fuel-to-moderator ratio

  10. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    State Senator Jeanie Forrester Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from State Senator Jeanie Forrester Application from...

  11. Published by the Arctic Research Consortium of the United States 3535 College Road Suite 101 Fairbanks, AK 99709 Arctic Research at the University of Northern British Columbia

    E-Print Network [OSTI]

    Dery, Stephen

    · Fairbanks, AK 99709 Arctic Research at the University of Northern British Columbia Establishedin1994 Columbia Prince George Campus 3333 University Way Prince George, BC V2N 4Z9 Canada 250-960-5555 sderywithconsiderablepublicendorsementandenthusiasm,theUniver- sity of Northern British Columbia (UNBC) has grown into one of Canada's premier

  12. RIS-M-2264 CONSTRUCTION OF PWR NUCLEAR CROSS SECTIONS FOR TRANSIENT

    E-Print Network [OSTI]

    RIS-M-2264 CONSTRUCTION OF PWR NUCLEAR CROSS SECTIONS FOR TRANSIENT CALCULATIONS. TEST OF THE ANTI recent Westinghouse designs, representing two different PWR reactor cores, are calculated as functions oi; COMPUTER CALCULATIONS; COUPLING CONSTANTS; CROSS SECTIONS; POWER DISTRIBUTION; PWR TYPE REACTORS

  13. A Comparison Between Model Reduction and Controller Reduction: Application to a PWR Nuclear Planty

    E-Print Network [OSTI]

    Gevers, Michel

    A Comparison Between Model Reduction and Controller Reduction: Application to a PWR Nuclear Planty model reduction with controller reduction for the same PWR system. We show that closed-loop techniques to the design of a low-order con- troller for a realistic model of order 42 of a Pressurized Water Reactor (PWR

  14. PWR fuel performance and future trend in Japan

    SciTech Connect (OSTI)

    Kondo, Y.

    1988-01-01T23:59:59.000Z

    Since the first PWR power plant Mihama Unit 1 initiated its commercial operation in 1970, Japanese utilities and manufacturers have expended much of their resources and efforts to improve PWR technology. The results are already seen in significantly improved performance of 16 PWR plants now in operation. Mitsubishi Heavy Industries Ltd. (MHI) has been supplying them with nuclear fuel assemblies, which are over 5700. As the reliability of the current design fuel has been achieved, the direction of RandD on nuclear fuel has changed to make nuclear power more competitive to the other power generation methods. The most important RandD targets are the burnup extension, Gd contained fuel, utilization and the load follow capability.

  15. Leak before break application in French PWR plants under operation

    SciTech Connect (OSTI)

    Faidy, C. [EDF SEPTEN, Villeurbanne (France)

    1997-04-01T23:59:59.000Z

    Practical applications of the leak-before break concept are presently limited in French Pressurized Water Reactors (PWR) compared to Fast Breeder Reactors. Neithertheless, different fracture mechanic demonstrations have been done on different primary, auxiliary and secondary PWR piping systems based on similar requirements that the American NUREG 1061 specifications. The consequences of the success in different demonstrations are still in discussion to be included in the global safety assessment of the plants, such as the consequences on in-service inspections, leak detection systems, support optimization,.... A large research and development program, realized in different co-operative agreements, completes the general approach.

  16. Non-Linear Dynamics Analysis of a PWR with Up-to-date Fuel Design

    SciTech Connect (OSTI)

    Riverola Gurruchaga, Javier [ENUSA Industrias Avanzadas S.A., Santiago Rusinol 12, 28040 Madrid (Spain)

    2007-07-01T23:59:59.000Z

    The Lyapunov stability theorems are applied to a simplified system of non-linear differential equations representative of a current 3 loop /12 feet contemporary PWR (Generation II) with up-to-date 17x17 lattice fuel design. The one-speed non-linear point kinetics model with six delayed neutron groups and lumped parameter heat transfer equations in the fuel rod and coolant along with a reactivity function with Doppler and moderator feedback effects is considered. First, local asymptotic stability is demonstrated at a variety of equilibrium state-points ranging from start-up to 150% nominal power. Then, a Lyapunov V function is found with the mathematical condition for sign definiteness and the stability region of attraction around the equilibrium HFP state is obtained. This study is complemented with the application of the Welton criterion for non linear kinetics and linear feedback in the frequency domain. As expected and consistently with Reactor Physics theory and experience, the strong asymptotic stable trend of a PWR is confirmed again for all analyzed conditions. This method is general and adaptable to other fuel assembly designs and reactor types. (authors)

  17. Analysis of PWR RCS Injection Strategy During Severe Accident

    SciTech Connect (OSTI)

    Wang, S.-J. [Institute of Nuclear Energy Research, Taiwan (China); Chiang, K.-S. [Institute of Nuclear Energy Research, Taiwan (China); Chiang, S.-C. [Taiwan Power Company, Taiwan (China)

    2004-05-15T23:59:59.000Z

    Reactor coolant system (RCS) injection is an important strategy for severe accident management of a pressurized water reactor (PWR) system. Maanshan is a typical Westinghouse PWR nuclear power plant (NPP) with large, dry containment. The severe accident management guideline (SAMG) of Maanshan NPP is developed based on the Westinghouse Owners Group (WOG) SAMG.The purpose of this work is to analyze the RCS injection strategy of PWR system in an overheated core condition. Power is assumed recovered as the vessel water level drops to the bottom of active fuel. The Modular Accident Analysis Program version 4.0.4 (MAAP4) code is chosen as a tool for analysis. A postulated station blackout sequence for Maanshan NPP is cited as a reference case for this analysis. The hot leg creep rupture occurs during the mitigation action with immediate injection after power recovery according to WOG SAMG, which is not desired. This phenomenon is not considered while developing the WOG SAMG. Two other RCS injection methods are analyzed by using MAAP4. The RCS injection strategy is modified in the Maanshan SAMG. These results can be applied for typical PWR NPPs.

  18. Effects of Burnable Absorbers on PWR Spent Nuclear Fuel

    SciTech Connect (OSTI)

    P.M. O'Leary; Dr. M.L. Pitts

    2000-08-21T23:59:59.000Z

    Burnup credit is an ongoing issue in designing and licensing transportation and storage casks for spent nuclear fuel (SNF). To address this issue, in July 1999, the U.S. Nuclear Regulatory Commission (NRC), Spent Fuel Project Office, issued Interim Staff Guidance-8 (ISG-8), Revision 1 allowing limited burnup credit for pressurized water reactor (PWR) spent nuclear fuel (SNF) to be used in transport and storage casks. However, one of the key limitations for a licensing basis analysis as stipulated in ISG-8, Revision 1 is that ''burnup credit is restricted to intact fuel assemblies that have not used burnable absorbers''. Because many PWR fuel designs have incorporated burnable-absorber rods for more than twenty years, this restriction places an unnecessary burden on the commercial nuclear power industry. This paper summarizes the effects of in-reactor irradiation on the isotopic inventory of PWR fuels containing different types of integral burnable absorbers (BAs). The work presented is illustrative and intended to represent typical magnitudes of the reactivity effects from depleting PWR fuel with different types of burnable absorbers.

  19. Assessment of rainwater harvesting in Northern Ghana

    E-Print Network [OSTI]

    Barnes, David Allen

    2009-01-01T23:59:59.000Z

    This study assesses the current state of rainwater harvesting in the Northern Region of Ghana and makes recommendations regarding if and how rainwater harvesting could be used to address Pure Home Water's goal of reaching ...

  20. Quantitative uncertainty and sensitivity analysis of a PWR control rod ejection accident

    SciTech Connect (OSTI)

    Pasichnyk, I.; Perin, Y.; Velkov, K. [Gesellschaft flier Anlagen- und Reaktorsicherheit - GRS mbH, Boltzmannstasse 14, 85748 Garching bei Muenchen (Germany)

    2013-07-01T23:59:59.000Z

    The paper describes the results of the quantitative Uncertainty and Sensitivity (U/S) Analysis of a Rod Ejection Accident (REA) which is simulated by the coupled system code ATHLET-QUABOX/CUBBOX applying the GRS tool for U/S analysis SUSA/XSUSA. For the present study, a UOX/MOX mixed core loading based on a generic PWR is modeled. A control rod ejection is calculated for two reactor states: Hot Zero Power (HZP) and 30% of nominal power. The worst cases for the rod ejection are determined by steady-state neutronic simulations taking into account the maximum reactivity insertion in the system and the power peaking factor. For the U/S analysis 378 uncertain parameters are identified and quantified (thermal-hydraulic initial and boundary conditions, input parameters and variations of the two-group cross sections). Results for uncertainty and sensitivity analysis are presented for safety important global and local parameters. (authors)

  1. Student-based archaeological geophysics in northern Thailand Emily A. Hinz*, Lee M. Liberty, and Spencer H. Wood, Boise State University, Fongsaward Singharajawarapan

    E-Print Network [OSTI]

    Barrash, Warren

    Student-based archaeological geophysics in northern Thailand Emily A. Hinz*, Lee M. Liberty of Western Australia Summary As part of the 2010 near-surface geophysics workshop in Chiang Mai, Thailand, local archaeological targets were used as a basis for teaching geophysical data collection, processing

  2. Design study of long-life PWR using thorium cycle

    SciTech Connect (OSTI)

    Subkhi, Moh. Nurul; Su'ud, Zaki; Waris, Abdul [Physics.Dept., Bandung Institute of Technology.Ganesha 10, Bandung (Indonesia)

    2012-06-06T23:59:59.000Z

    Design study of long-life Pressurized Water Reactor (PWR) using thorium cycle has been performed. Thorium cycle in general has higher conversion ratio in the thermal spectrum domain than uranium cycle. Cell calculation, Burn-up and multigroup diffusion calculation was performed by PIJ-CITATION-SRAC code using libraries based on JENDL 3.2. The neutronic analysis result of infinite cell calculation shows that {sup 231}Pa better than {sup 237}Np as burnable poisons in thorium fuel system. Thorium oxide system with 8%{sup 233}U enrichment and 7.6{approx} 8%{sup 231}Pa is the most suitable fuel for small-long life PWR core because it gives reactivity swing less than 1%{Delta}k/k and longer burn up period (more than 20 year). By using this result, small long-life PWR core can be designed for long time operation with reduced excess reactivity as low as 0.53%{Delta}k/k and reduced power peaking during its operation.

  3. Northern Virginia Elec Coop | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRoseConcerns Jumpsource History View NewNorthernStatesNorthernNorthern

  4. Risk analysis of highly combustible gas storage, supply, and distribution systems in PWR plants

    SciTech Connect (OSTI)

    Simion, G.P. [Science Applications International Corp., Albuquerque, NM (United States); VanHorn, R.L.; Smith, C.L.; Bickel, J.H.; Sattison, M.B. [EG and G Idaho, Inc., Idaho Falls, ID (United States); Bulmahn, K.D. [SCIENTECH, Inc., Idaho Falls, ID (United States)

    1993-06-01T23:59:59.000Z

    This report presents the evaluation of the potential safety concerns for pressurized water reactors (PWRs) identified in Generic Safety Issue 106, Piping and the Use of Highly Combustible Gases in Vital Areas. A Westinghouse four-loop PWR plant was analyzed for the risk due to the use of combustible gases (predominantly hydrogen) within the plant. The analysis evaluated an actual hydrogen distribution configuration and conducted several sensitivity studies to determine the potential variability among PWRs. The sensitivity studies were based on hydrogen and safety-related equipment configurations observed at other PWRs within the United States. Several options for improving the hydrogen distribution system design were identified and evaluated for their effect on risk and core damage frequency. A cost/benefit analysis was performed to determine whether alternatives considered were justifiable based on the safety improvement and economics of each possible improvement.

  5. Northern New Mexico

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    3 million for education, economic development, charitable giving in Northern New Mexico September 23, 2014 LOS ALAMOS, N.M., Sept. 23, 2014-The Los Alamos National...

  6. Northern Wind Farm

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    facilities to accommodate the interconnection. The EA also includes a review of the potential environmental impacts of Northern Wind, LLC, constructing, operating, and...

  7. Filtered-vented containment systems. [PWR; BWR

    SciTech Connect (OSTI)

    Benjamin, A.S.; Walling, H.C.; Cybulskis, P.; DiSalvo, R.

    1980-01-01T23:59:59.000Z

    The potential benefits of filtered-vented containment systems as a means for mitigating the effects of severe accidents are analyzed. Studies so far have focused upon two operating reactor plants in the United States, a large-containment pressurized water reactor and a Mark I containment boiling water reactor. Design options that could be retrofitted to these plants are described including single-component once-through venting systems, multiple-component systems with vent and recirculation capabilities, and totally contained venting systems. A variety of venting strategies are also described which include simple low-volume containment pressure relief strategies and more complicated, high-volume venting strategies that require anticipatory actions. The latter type of strategy is intended for accidents that produce containment-threatening pressure spikes.

  8. Central Montana E Pwr Coop Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof EnergyInnovation inOpenadd: China DatangCentral ElCentral Montana E Pwr Coop Inc

  9. Northwest Rural Pub Pwr Dist | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth AmericaNorthwest Rural Pub Pwr Dist Jump to:

  10. Pearl River Valley El Pwr Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorthOlympiaAnalysis)Pearl River Valley El Pwr Assn Jump to:

  11. Arizona Electric Pwr Coop Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnualProperty EditCalifornia: Energy Resources JumpAnaconda,AnzaArcade,theElectric Pwr Coop Inc Jump

  12. Cuming County Public Pwr Dist | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand JumpConceptual Model, clickInformationNew|CoreCpWing County,ElectricCuming County Public Pwr Dist

  13. Recent advances in analysis of PWR containment bypass accidents

    SciTech Connect (OSTI)

    Warman, E.A.; Metcalf, J.E.; Donahue, M.L. (Stone and Webster Engineering Corp., Boston, MA (United States))

    1991-01-01T23:59:59.000Z

    The Reactor Safety Study identified and quantified the contribution to off-site radiological risks of accident sequences at pressurized water reactors (PWRs) in which the release of fission products may be released by bypassing the containment building. These so-called bypass accidents were also referred to as interfacing systems loss-of-coolant accidents (LOCAs) or Event 5 sequences due to the postulated failure of valves separating the high-pressure reactor coolant system (RCS) from low-pressure piping located outside containment. Containment bypass sequence risks constitute a large fraction of the total pressurized water reactor (PWR) in NUREG-1150 in large part because estimates of competing risks from early containment failures have been greatly reduced since WASH-1400. Rigorous analyses of both SGTR and V sequence bypass sequences result in reductions in fission product release to such an extent that in-containment sequences are expected to dominate PWR risks at levels substantially lower than reported in NUREG-1150. It is important that these findings be confirmed by other investigators, particularly in light of the NRC's ongoing study of the frequency of occurrence of interfacing systems. LOCAs based on extensive investigations at operating plants. Progress in this latter effort should be matched by progress in the knowledge and understanding of the progression of bypass sequences, once initiated.

  14. Gamma and Neutron Radiolysis in the 21-PWR Waste Package

    SciTech Connect (OSTI)

    J.S. Tang

    2001-05-03T23:59:59.000Z

    The objective of this calculation is to compute gamma and neutron dose rates in order to determine the maximum radiolytic production of nitric acid and other chemical species inside the 21-PWR (pressurized-water reactor) waste package (WP). The scope of this calculation is limited to the time period between 5,000 and 100,000 years after emplacement. The information provided by the sketches attached to this calculation is that of the potential design for the type of WP considered in this calculation. The results of this calculation will be used to evaluate nitric acid corrosion of fuel cladding from radiolysis in the 21-PWR WP. This calculation was performed in accordance with the Technical Work Plan for: Waste Package Design Description for LA (Civilian Radioactive Waste Management System (CRWMS) Management and Operating Contractor (M&O) 2000a). AP-3.124, Calculations, is used to perform the calculation and develop the document. This calculation is associated with the total system performance assessment (TSPA) of which the spent fuel cladding integrity is to be evaluated.

  15. Proposed Amendment to Presidential Permit PP-63 and Associated Modifications to 500-kV International Transmission Line: Forbes, Minnesota to Manitoba, Canada, Northern States Power Company. Addendum to the final Environmental Assessment

    SciTech Connect (OSTI)

    Not Available

    1992-10-01T23:59:59.000Z

    This Addendum to the Final Environmental Assessment for the Proposed Amendment to Presidential Permit PP-63 and Associated Modifications to 500 kV International Transmission Line: Forbes, Minnesota to Manitoba, Canada (DOE/EA-587) addresses Northern States Power Company`s (NSP) proposed expansion of the Forbes Substation. The applicant has requested that the expansion take place on the west side of the substation, within the existing property line, instead of on the north side as originally proposed. All of the proposed construction would take place on property already owned by NSP. DOE has reviewed the environmental impacts associated with this minor modification and has determined that the conclusions reached in the environmental assessment and Finding of No Significant Impact prepared in connection with NSP`s original amendment request remain valid.

  16. Scoping design analyses for optimized shipping casks containing 1-, 2-, 3-, 5-, 7-, or 10-year-old PWR spent fuel

    SciTech Connect (OSTI)

    Bucholz, J.A.

    1983-01-01T23:59:59.000Z

    This report details many of the interrelated considerations involved in optimizing large Pb, Fe, or U-metal spent fuel shipping casks containing 1, 2, 3, 5, 7, or 10-year-old PWR fuel assemblies. Scoping analyses based on criticality, shielding, and heat transfer considerations indicate that some casks may be able to hold as many as 18 to 21 ten-year-old PWR fuel assemblies. In the criticality section, a new type of inherently subcritical fuel assembly separator is described which uses hollow, borated stainless-steel tubes in the wall-forming structure between the assemblies. In another section, details of many n/..gamma.. shielding optimization studies are presented, including the optimal n/..gamma.. design points and the actual shielding requirements for each type of cask as a function of the age of the spent fuel and the number of assemblies in the cask. Multigroup source terms based on ORIGEN2 calculations at these and other decay times are also included. Lastly, the numerical methods and experimental correlations used in the steady-state and transient heat transfer analyses are fully documented, as are pertinent aspects of the SCOPE code for Shipping Cask Optimization and Parametric Evaluation. (While only casks for square, intact PWR fuel assemblies were considered in this study, the SCOPE code may also be used to design and analyze casks containing canistered spent fuel or other waste material. An abbreviated input data guide is included as an appendix).

  17. Fracture mechanics evaluation for at typical PWR primary coolant pipe

    SciTech Connect (OSTI)

    Tanaka, T. [Kansai Electric Power Company, Osaka (Japan); Shimizu, S.; Ogata, Y. [Mitsubishi Heavy Industries, Ltd., Kobe (Japan)

    1997-04-01T23:59:59.000Z

    For the primary coolant piping of PWRs in Japan, cast duplex stainless steel which is excellent in terms of strength, corrosion resistance, and weldability has conventionally been used. The cast duplex stainless steel contains the ferrite phase in the austenite matrix and thermal aging after long term service is known to change its material characteristics. It is considered appropriate to apply the methodology of elastic plastic fracture mechanics for an evaluation of the integrity of the primary coolant piping after thermal aging. Therefore we evaluated the integrity of the primary coolant piping for an initial PWR plant in Japan by means of elastic plastic fracture mechanics. The evaluation results show that the crack will not grow into an unstable fracture and the integrity of the piping will be secured, even when such through wall crack length is assumed to equal the fatigue crack growth length for a service period of up to 60 years.

  18. SENSITIVITY STUDIES FOR THE PWR ROD EJECTION ACCIDENT

    SciTech Connect (OSTI)

    DIAMOND,D.J.; YANG,C.Y.; ARONSON,A.L.

    1999-11-14T23:59:59.000Z

    The objective of this study was to understand the uncertainty in fuel enthalpy calculated for the rod ejection accident (REA) in a pressurized water reactor (PWR). This is to help the US Nuclear Regulatory Commission in making judgments about acceptance criteria for the REA when high burnup fuel is used and for assessing the validity of licensee methods for calculating the REA. The approach is twofold. Sensitivity studies were first done to determine the effect on calculated fuel enthalpy of uncertainties in the important parameters which determine the outcome of the REA. The second step, which will be carried out at a later date, is to use the sensitivity to estimate the random error in the fuel enthalpy due to random errors in these key parameters once the variance of these parameters is determined.

  19. WAPD-SC-545 HYDROGEN FLAMMABILITY DATA AND APPLICATION TO PWR

    Office of Scientific and Technical Information (OSTI)

    WAPD-SC-545 HYDROGEN FLAMMABILITY DATA AND APPLICATION TO PWR LOSS-OF-COOLANT ACCIDENT CONTRACT A T - I M - G E N - H BETTIS PLANT PITTSBURGH, PENNSYLVANIA Operated for the U.S....

  20. A comparison of fuzzy logic-PID control strategies for PWR pressurizer control

    SciTech Connect (OSTI)

    Kavaklioglu, K.; Ikonomopoulos, A. (Univ. of Tennessee, Knoxville (United States))

    1993-01-01T23:59:59.000Z

    This paper describes the results obtained from a comparison performed between classical proportional-integral-derivative (PID) and fuzzy logic (FL) controlling the pressure in a pressurized water reactor (PWR). The two methodologies have been tested under various transient scenarios, and their performances are evaluated with respect to robustness and on-time response to external stimuli. One of the main concerns in the safe operation of PWR is the pressure control in the primary side of the system. In order to maintain the pressure in a PWR at the desired level, the pressurizer component equipped with sprayers, heaters, and safety relief valves is used. The control strategy in a Westinghouse PWR is implemented with a PID controller that initiates either the electric heaters or the sprayers, depending on the direction of the coolant pressure deviation from the setpoint.

  1. Proposed amendment for Presidential Permit PP-63 and associated modifications to 500 kV international transmission line, Forbes, Minnesota to Manitoba, Canada Northern States Power Company. Final Environmental Assessment

    SciTech Connect (OSTI)

    Not Available

    1992-02-01T23:59:59.000Z

    Northern States Power Company, (NSP), a Minnesota investor owned utility has applied to the Office of Fossil Energy, United States Department of Energy, to amend Presidential Permit PP-63 to allow for alterations to the 500 kV transmission line and as sedated facilities currently regulated by this permit. The alterations proposed for the 500 kV line owned by NSP are part of a long term effort sponsored by NSP to upgrade the existing NSP transmission system to allow for increased exchange of electricity with the Manitoba Hydro-Electric Board. Presidential Permit PP-63 authorized NSP to construct, connect, operate and maintain a 500 kV line at the United States/Canadian border approximately seven-and-a-half miles west of Warroad in Roseau County, Minnesota. This line connects with a 500 kV line owned and operated by the Manitoba Hydro-Electric Board (MHEB), which extends from Dorsey, Manitoba, Canada to the United States/Canadian border. NSP proposes to increase the electricity transfer capability of this transmission facility by constructing a new 80-acre substation on the existing 500 kV line in Roseau County, Minnesota, and upgrading the existing substation at Forbes, Minnesota. The proposed Roseau substation would contain two 41.5 ohm series capacitor banks. In addition, static VAR compensators are to be installed at the existing Forbes Substation. Approximately 5 acres would be added to the 30-acre Forbes site to house the additional equipment. No new lines would enter or exit the facility. NSP proposes to place the new Roseau Substation in service in May 1993 and to complete the upgrading of the Forbes Substation in March 1994. The primary, initial purpose of these modifications is to enable NSP to import 400 megawatts of electric power from MHEB during the summer months to meet peak electrical demand in the Minneapolis-St. Paul area. It is expected that this power transfer would begin in 1993.

  2. Effect of component aging on PWR control rod drive systems

    SciTech Connect (OSTI)

    Grove, E.; Gunther, W.; Sullivan, K.

    1992-01-01T23:59:59.000Z

    An aging assessment of PWR control rod drive (CRD) systems has been completed as part of the US NRC Nuclear Plant Aging Research (NPAR) Program. The design, construction, maintenance, and operation of the Babcock Wilcox (B W), Combustion Engineering (CE), and Westinghouse (W) systems were evaluated to determine the potential for degradation as each system ages. Operating experience data were evaluated to identify the predominant failure modes, causes, and effects. This, coupled with an assessment of the materials of construction and operating environment, demonstrate that each design is subject to degradation, which if left unchecked, could affect its safety function as the plant ages. An industry survey, conducted with the assistance of EPRI and NUMARC, identified current CRD system maintenance and inspection practices. The results of this survey indicate that some plants have performed system modifications, replaced components, or augmented existing preventive maintenance practices in response to system aging. The survey results also supported the operating experience data, which concluded that the timely replacement of degraded components, prior to failure, was not always possible using existing condition monitoring techniques. The recommendations presented in this study also include a discussion of more advanced monitoring techniques, which provide trendable results capable of detecting aging.

  3. Effect of component aging on PWR control rod drive systems

    SciTech Connect (OSTI)

    Grove, E.; Gunther, W.; Sullivan, K.

    1992-06-01T23:59:59.000Z

    An aging assessment of PWR control rod drive (CRD) systems has been completed as part of the US NRC Nuclear Plant Aging Research (NPAR) Program. The design, construction, maintenance, and operation of the Babcock & Wilcox (B & W), Combustion Engineering (CE), and Westinghouse (W) systems were evaluated to determine the potential for degradation as each system ages. Operating experience data were evaluated to identify the predominant failure modes, causes, and effects. This, coupled with an assessment of the materials of construction and operating environment, demonstrate that each design is subject to degradation, which if left unchecked, could affect its safety function as the plant ages. An industry survey, conducted with the assistance of EPRI and NUMARC, identified current CRD system maintenance and inspection practices. The results of this survey indicate that some plants have performed system modifications, replaced components, or augmented existing preventive maintenance practices in response to system aging. The survey results also supported the operating experience data, which concluded that the timely replacement of degraded components, prior to failure, was not always possible using existing condition monitoring techniques. The recommendations presented in this study also include a discussion of more advanced monitoring techniques, which provide trendable results capable of detecting aging.

  4. Automatic load follow control system for PWR plants

    SciTech Connect (OSTI)

    Nakakura, H.; Ishiguro, A.

    1987-01-01T23:59:59.000Z

    In Japan, load follow operation (daily load follow, automatic frequency control (AFC) operation, and governor free (GF) operation) of nuclear plants will be required in the near future to control grid frequency, as the ratio of nuclear plant electrical production to total grid production will increase. The AFC operation regulated power by demand from the central load dispatcher to control mainly the fringe component of the grid frequency fluctuation, and GF operation regulates power by turbine revolution or grid frequency to control mainly the cyclic component of grid frequency fluctuation. This paper deals with the automatic power distribution control system, which is important to load follow operation and possibly will be applied to pressurized water reactor (PWR) nuclear plants. The reactor control systems noted below are conventional design with some improvements for AFC/GF operation, so that the reactor operates the turbine as before: (1) rod control system (reactor power control); (2) pressurizer pressure control system; (3) pressurizer level control system; and (4) steam generator level control system.

  5. Quaternary glaciations in the Northern Hemisphere

    SciTech Connect (OSTI)

    Sibrava, V.; Bowen, D.Q.; Richmond, G.M.

    1987-01-01T23:59:59.000Z

    This volume presents the final report of Project 24 of the International Geological Correlation Programme. The publication is drawn from the contributions of leading individual scientist as well as from scientific research teams. It reflects the present state of knowledge of the Quaternary Glaciations in the Northern Hemisphere and their correlation in space and time, as well as providing a unique summary of climatic change.

  6. Study on Equilibrium Characteristics of Thorium-Plutonium-Minor Actinides Mixed Oxides Fuel in PWR

    SciTech Connect (OSTI)

    Waris, A.; Permana, S.; Kurniadi, R.; Su'ud, Z. [Bosscha Laboratory, Department of Physics, Nuclear Physics and Biophysics Research Group, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung (Indonesia); Sekimoto, H. [Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology (Japan)

    2010-06-22T23:59:59.000Z

    A study on characteristics of thorium-plutonium-minor actinides utilization in the pressurized water reactor (PWR) with the equilibrium burnup model has been conducted. For a comprehensive evaluation, several fuel cycles scenario have been included in the present study with the variation of moderator-to-fuel volume ratio (MFR) of PWR core design. The results obviously exhibit that the neutron spectra grow to be harder with decreasing of the MFR. Moreover, the neutron spectra also turn into harder with the rising number of confined heavy nuclides. The required {sup 233}U concentration for criticality of reactor augments with the increasing of MFR for all heavy nuclides confinement and thorium and uranium confinement in PWR.

  7. WG-MOX Fuel Zr-tube Neutron Spectrum Comparison in ATR and PWR

    SciTech Connect (OSTI)

    Gray S. Chang

    2005-02-01T23:59:59.000Z

    An experiment containing WG-MOX fuel has been designed and irradiated from 1998 to 2004 in the Advanced Test Reactor (ATR) at the Idaho National Engineering and Environmental Laboratory (INEEL). Important neutronics parameters were computed using novel Monte Carlo methods. The purpose of this summary is to compare the Weapons-Grade Mixed Oxide fuel (WG-MOX) Zr-tubes neutron spectrum in ATR and PWR. The results indicate that the Zrtubes neutron spectrum in ATR are softer than in PWR.

  8. Categorization of PWR accident sequences and guidelines for fault trees: seismic initiators

    SciTech Connect (OSTI)

    Kimura, C.Y.

    1984-09-01T23:59:59.000Z

    This study developed a set of dominant accident sequences that could be applied generically to domestic commercial PWRs as a standardized basis for a probabilistic seismic risk assessment. This was accomplished by ranking the Zion 1 accident sequences. The pertinent PWR safety systems were compared on a plant-by-plant basis to determine the applicability of the dominant accident sequences of Zion 1 to other PWR plants. The functional event trees were developed to describe the system functions that must work or not work in order for a certain accident sequence to happen, one for pipe breaks and one for transients.

  9. Ris-M-2209 THE THREE-DIMENSIONAL PWR TRANSIENT CODE

    E-Print Network [OSTI]

    , REACTOR KINETICS, ROD DROP ACCIDENTS, THREE- DIMENSIONAL CALCULATIONS, TRANSIENTS. UDC 621 more or less by change. The calculation is there- fore not representative of any existing reactorRisø-M-2209 THE THREE-DIMENSIONAL PWR TRANSIENT CODE ANTI; ROD EJECTION TEST CALCULATION A

  10. Westinghouse Approach and Experience on Operating VVER (PWR)1000 I and C Modernization

    SciTech Connect (OSTI)

    Mahlab Moshe [Kozloduy Project Director, Westinghouse Electric Company (Bulgaria); Naydenov, Nayden [Kozloduy NPP Modernization Manager (Bulgaria); Sechensky, Boyan [Chief Engineer, Westinghouse Energy Systems Bulgaria (Bulgaria)

    2004-07-01T23:59:59.000Z

    The paper will describe the background, current implementation approach and experience on the largest ever modernization program on operating units VVER 1000 (PWR) at Kozloduy Nuclear Power Plant in Bulgaria. The Modernization Program itself includes more than 212 measures. Westinghouse is modernizing the major I and C Systems at VVER 1000. (authors)

  11. Reactor analysis support package (RASP). Volume 7. PWR set-point methodology. Final report

    SciTech Connect (OSTI)

    Temple, S.M.; Robbins, T.R.

    1986-09-01T23:59:59.000Z

    This report provides an overview of the basis and methodology requirements for determining Pressurized Water Reactor (PWR) technical specifications related setpoints and focuses on development of the methodology for a reload core. Additionally, the report documents the implementation and typical methods of analysis used by PWR vendors during the 1970's to develop Protection System Trip Limits (or Limiting Safety System Settings) and Limiting Conditions for Operation. The descriptions of the typical setpoint methodologies are provided for Nuclear Steam Supply Systems as designed and supplied by Babcock and Wilcox, Combustion Engineering, and Westinghouse. The description of the methods of analysis includes the discussion of the computer codes used in the setpoint methodology. Next, the report addresses the treatment of calculational and measurement uncertainties based on the extent to which such information was available for each of the three types of PWR. Finally, the major features of the setpoint methodologies are compared, and the principal effects of each particular methodology on plant operation are summarized for each of the three types of PWR.

  12. State Impact in Imperial northern Italy

    E-Print Network [OSTI]

    Roncaglia, Carolynn

    2009-01-01T23:59:59.000Z

    decurion ierogrammateus Ephesus Egypt Alexandria Tacheira (62 customs dossier from Ephesus (SEG XXXIX 1189 = AE 1989:X 7024 = AE 1960: 202) Ephesus, Asia 1 (AE 1932: 50) Forum

  13. State Impact in Imperial northern Italy

    E-Print Network [OSTI]

    Roncaglia, Carolynn

    2009-01-01T23:59:59.000Z

    and civil war. See also Marcelluss 51 BC flogging of a5.2.3) The consul M. Claudius Marcelluss 51 BC beating of aby implication civilized (Marcellus foede in Comensi. etsi

  14. Crack growth rates of nickel alloy welds in a PWR environment.

    SciTech Connect (OSTI)

    Alexandreanu, B.; Chopra, O. K.; Shack, W. J.; Energy Technology

    2006-05-31T23:59:59.000Z

    In light water reactors (LWRs), vessel internal components made of nickel-base alloys are susceptible to environmentally assisted cracking. A better understanding of the causes and mechanisms of this cracking may permit less conservative estimates of damage accumulation and requirements on inspection intervals. A program is being conducted at Argonne National Laboratory to evaluate the resistance of Ni alloys and their welds to environmentally assisted cracking in simulated LWR coolant environments. This report presents crack growth rate (CGR) results for Alloy 182 shielded-metal-arc weld metal in a simulated pressurized water reactor (PWR) environment at 320 C. Crack growth tests were conducted on 1-T compact tension specimens with different weld orientations from both double-J and deep-groove welds. The results indicate little or no environmental enhancement of fatigue CGRs of Alloy 182 weld metal in the PWR environment. The CGRs of Alloy 182 in the PWR environment are a factor of {approx}5 higher than those of Alloy 600 in air under the same loading conditions. The stress corrosion cracking for the Alloy 182 weld is close to the average behavior of Alloy 600 in the PWR environment. The weld orientation was found to have a profound effect on the magnitude of crack growth: cracking was found to propagate faster along the dendrites than across them. The existing CGR data for Ni-alloy weld metals have been compiled and evaluated to establish the effects of key material, loading, and environmental parameters on CGRs in PWR environments. The results from the present study are compared with the existing CGR data for Ni-alloy welds to determine the relative susceptibility of the specific Ni-alloy weld to environmentally enhanced cracking.

  15. Northern Illinois University Mechanical Engineering

    E-Print Network [OSTI]

    Kostic, Milivoje M.

    and/or apply engineering knowledge to address societal needs; and to provide quality professionalNorthern Illinois University Mechanical Engineering Undergraduate Program 2013-2014 Engineering Building, room 226 Phone: 815-753-9979 www.niu.edu/me #12;DEPARTMENT OF MECHANICAL ENGINEERING NORTHERN

  16. Northern Maine Independent System Administrator (Maine)

    Broader source: Energy.gov [DOE]

    The Northern Maine Independent System Administrator (NMISA) is a non-profit entity responsible for the administration of the northern Maine transmission system and electric power markets in...

  17. TITAN code development for application to a PWR steam line break accident : final report 1983-1984

    E-Print Network [OSTI]

    Tsai, Chon-Kwo

    1984-01-01T23:59:59.000Z

    Modification of the TITAN computer code which enables it to be applied to a PWR steam line break accident has been accomplished. The code now has the capability of simulating an asymmetric inlet coolant temperature transient ...

  18. Transient thermal analysis of PWRs by a single-pass procedure using a simplified nodal layout

    E-Print Network [OSTI]

    Liu, Jack S. H.

    1979-01-01T23:59:59.000Z

    PWR accident conditions and analysis methods have been reviewed. Limitations of the simplified method with respect to analysis of these accident conditions are drawn and two transients ( loss of coolant flow, seized rotor) ...

  19. Northern Thailand Geophysics Field Camp: Overview of Activities Lee M. Liberty

    E-Print Network [OSTI]

    Barrash, Warren

    Northern Thailand Geophysics Field Camp: Overview of Activities Lee M. Liberty Boise State University conducted a geophysics field camp in northern Thailand in January, 2010 to train students and professionals in geophysical methods to address environmental and engineering challenges. Faculty, technicians

  20. Conceptual design study of small long-life PWR based on thorium cycle fuel

    SciTech Connect (OSTI)

    Subkhi, M. Nurul [Nuclear Physics and Biophysics Research Group, Faculty of Mathematics and Natural Science, Bandung Institute of Technology (Ganesha 10 Bandung, Indonesia) and Physics Dept., Faculty of Science and Technology, State Islamic University of Sunan Gunung (Indonesia); Su'ud, Zaki; Waris, Abdul; Permana, Sidik [Nuclear Physics and Biophysics Research Group, Faculty of Mathematics and Natural Science, Bandung Institute of Technology (Ganesha 10 Bandung) (Indonesia)

    2014-09-30T23:59:59.000Z

    A neutronic performance of small long-life Pressurized Water Reactor (PWR) using thorium cycle based fuel has been investigated. Thorium cycle which has higher conversion ratio in thermal region compared to uranium cycle produce some significant of {sup 233}U during burn up time. The cell-burn up calculations were performed by PIJ SRAC code using nuclear data library based on JENDL 3.3, while the multi-energy-group diffusion calculations were optimized in whole core cylindrical two-dimension R-Z geometry by SRAC-CITATION. this study would be introduced thorium nitride fuel system which ZIRLO is the cladding material. The optimization of 350 MWt small long life PWR result small excess reactivity and reduced power peaking during its operation.

  1. Safety analysis of B and W Standard PWR using thorium-based fuels

    SciTech Connect (OSTI)

    Uotinen, V.O.; Carroll, W.P.; Jones, H.M.; Toops, E.C.

    1980-06-01T23:59:59.000Z

    A study was performed to assess the safety and licenseability of the Babcock and Wilcox standard 205-fuel assembly PWR when it is fueled with three types of thoria-based fuels denatured (/sup 233/U//sup 238/U-Th)O/sub 2/, denatured (/sup 235//U/sup 238/U-Th)O/sub 2/, and (Th-Pu)O/sub 2/. Selected transients were analyzed using typical PWR safety analysis calculational methods. The results support the conclusion that it is feasible from a safety standpoint to utilize either of the denatured urania-thoria fuels in the standard B and W plant. In addition, it appears that the use of thoria-plutonia fuels would probably also be feasible. These tentative conclusions depend on a data that is more limited than that available for UO/sub 2/ fuels.

  2. An Empirical Approach to Bounding the Axial Reactivity Effects of PWR Spent Nuclear Fuel

    SciTech Connect (OSTI)

    P. M. O'Leary; J. M. Scaglione

    2001-04-04T23:59:59.000Z

    One of the significant issues yet to be resolved for using burnup credit (BUC) for spent nuclear fuel (SNF) is establishing a set of depletion parameters that produce an adequately conservative representation of the fuel's isotopic inventory. Depletion parameters (such as local power, fuel temperature, moderator temperature, burnable poison rod history, and soluble boron concentration) affect the isotopic inventory of fuel that is depleted in a pressurized water reactor (PWR). However, obtaining the detailed operating histories needed to model all PWR fuel assemblies to which BUC would be applied is an onerous and costly task. Simplifications therefore have been suggested that could lead to using ''bounding'' depletion parameters that could be broadly applied to different fuel assemblies. This paper presents a method for determining a set of bounding depletion parameters for use in criticality analyses for SNF.

  3. Northern Energy Program (Ontario, Canada)

    Broader source: Energy.gov [DOE]

    By pursuing innovative solutions to renewable energy generation and conservation, northerners will be able to reduce their costs of energy consumption and position the North for future growth. This...

  4. MELCOR model for an experimental 17x17 spent fuel PWR assembly.

    SciTech Connect (OSTI)

    Cardoni, Jeffrey

    2010-11-01T23:59:59.000Z

    A MELCOR model has been developed to simulate a pressurized water reactor (PWR) 17 x 17 assembly in a spent fuel pool rack cell undergoing severe accident conditions. To the extent possible, the MELCOR model reflects the actual geometry, materials, and masses present in the experimental arrangement for the Sandia Fuel Project (SFP). The report presents an overview of the SFP experimental arrangement, the MELCOR model specifications, demonstration calculation results, and the input model listing.

  5. Improvement of the thermal margins in the Swedish Ringhals-3 PWR by introducing new fuel assemblies with thorium

    SciTech Connect (OSTI)

    Lau, C. W.; Demaziere, C. [Dept. of Applied Physics, Div. of Nuclear Engineering, Chalmers Univ. of Technology, 412 96 Gothenburg (Sweden); Nylen, H.; Sandberg, U. [Ringhals AB, 432 85 Vaeroebacka (Sweden)

    2012-07-01T23:59:59.000Z

    Thorium is a fertile material and most of the past research has focused on breeding thorium to fissile material. In this paper, the focus is on using thorium to improve the thermal margins by homogeneously distributing thorium in the fuel pellets. A proposed uranium-thorium-based fuel assembly is simulated for the Swedish Ringhals-3 PWR core in a realistic demonstration. All the key safety parameters, such as isothermal temperature coefficient of reactivity, Doppler temperature of reactivity, boron worth, shutdown margins and fraction of delayed neutrons are studied in this paper, and are within safety limits for the new core design using the uranium-thorium-based fuel assemblies. The calculations were performed by the two-dimensional transport code CASMO-4E and the two group steady-state three dimensional nodal code SIMULATE-3 from Studsvik Scandpower. The results showed that the uranium-thorium-based fuel assembly improves the thermal margins, both in the pin peak power and the local power (Fq). The improved thermal margins would allow more flexible core designs with less neutron leakage or could be used in power uprates to offer efficient safety margins. (authors)

  6. Preliminary results of the PWR low power and shutdown accident frequencies program: Coarse screening analysis for Surry

    SciTech Connect (OSTI)

    Chu, T.L.; Musicki, Z.; Luckas, W.; Wong, S.M.; Neymotin, L.; Diamond, D.J.; Hsu, C.J.; Bozoki, G.; Kohut, P.; Fitzpatrick, R. [Brookhaven National Lab., Upton, NY (United States); Siu, N. [Massachusetts Inst. of Tech., Cambridge, MA (United States)

    1991-12-31T23:59:59.000Z

    This document presents the preliminary internal events Level 1 results (including fire and flood) obtained as a result of a coarse screening analysis on the low power and shutdown accident frequencies of the Surry Nuclear Power Plant. The work was performed by Brookhaven National Laboratory (BNL) for the Nuclear Regulatory Commission Office of Nuclear Regulatory Research (RES). This coarse screening analysis was performed in support of the NRC staff`s follow-up actions subsequent to the March 20, 1990 Vogtle incident with the objective of providing high-level qualitative insights within a relatively short time frame. It is the first phase of a major study that will ultimately produce estimates on the core damage frequency of a pressurized water reactor (PWR) during low power and shutdown conditions. Phase 2 of the study will be guided by the Phase 1 results in order to concentrate the effort on the various plant operational states, the dominant accident sequences, and pertinent data items according to their importance to core damage frequency and risk.

  7. Preliminary results of the PWR low power and shutdown accident frequencies program: Coarse screening analysis for Surry

    SciTech Connect (OSTI)

    Chu, T.L.; Musicki, Z.; Luckas, W.; Wong, S.M.; Neymotin, L.; Diamond, D.J.; Hsu, C.J.; Bozoki, G.; Kohut, P.; Fitzpatrick, R. (Brookhaven National Lab., Upton, NY (United States)); Siu, N. (Massachusetts Inst. of Tech., Cambridge, MA (United States))

    1991-01-01T23:59:59.000Z

    This document presents the preliminary internal events Level 1 results (including fire and flood) obtained as a result of a coarse screening analysis on the low power and shutdown accident frequencies of the Surry Nuclear Power Plant. The work was performed by Brookhaven National Laboratory (BNL) for the Nuclear Regulatory Commission Office of Nuclear Regulatory Research (RES). This coarse screening analysis was performed in support of the NRC staff's follow-up actions subsequent to the March 20, 1990 Vogtle incident with the objective of providing high-level qualitative insights within a relatively short time frame. It is the first phase of a major study that will ultimately produce estimates on the core damage frequency of a pressurized water reactor (PWR) during low power and shutdown conditions. Phase 2 of the study will be guided by the Phase 1 results in order to concentrate the effort on the various plant operational states, the dominant accident sequences, and pertinent data items according to their importance to core damage frequency and risk.

  8. Application for Presidential Permit OE Docket No. PP-044 Northern...

    Office of Environmental Management (EM)

    44 Northern Electric Cooperative Association Application for Presidential Permit OE Docket No. PP-044 Northern Electric Cooperative Association Application from Northern Electric...

  9. The distribution of and sources for quartz silt deposited on the northern Gulf of Mexico continental shelf

    E-Print Network [OSTI]

    Peterson, Mark Andrew

    1988-01-01T23:59:59.000Z

    are generally derived from mature sedimentary rocks which have not been cemented with secondary quartz (Pettijohn, 1975). Within the drainage basins which supply sediment to the northern Gulf of Mexico, there are two primary sources that could supply... Pleistocene glacial deposits of the northern U. S. and Canada, and the Precambrian crystalline rocks of the Rocky Mountains and the northern United States and southern Canada. CHAPTER III METHODS Two techniques were used to determine the sources...

  10. State-of-the-art evaluation of condensate polisher performance. Final report. [PWR

    SciTech Connect (OSTI)

    Elmiger, S.J.; Potterton, S.J.

    1983-04-01T23:59:59.000Z

    The operating environments in power plant cycles require the use of high-purity feedwater combined with careful chemical control to minimize deposition and corrosion problems. Condensate polishing system provide plant operators with a tool to control the transport of soluble impurities and corrosion products during normal operation, start-ups, shutdowns, and other plant transients. The objective of this program was to provide an understanding of the factors that influence condensate polisher performance. In order to achieve a large data base for evaluation, a lengthy and detailed plant survey was chosen as the means by which to accumulate the data. Response to the survey was excellent. Of the 268 surveys distributed, 147 were completed and returned with 135 of these included in a computerized condensate polishing data base. The data from the effort have been summarized in this report to show the environment, operation problems as performance of both deep bed and powdered condensate polisher system.

  11. Northern New Mexico regional airport market feasibility

    SciTech Connect (OSTI)

    Drake, R.H.; Williams, D.S.

    1998-06-01T23:59:59.000Z

    This report is about the market for airline travel in northern New Mexico. Interest in developing a northern New Mexico regional airport has periodically surfaced for a number of years. The New Mexico State Legislature passed a memorial during the 1998 Second Session calling for the conduct of a study to determine the feasibility of building a new regional airport in NNM. This report is a study of the passenger market feasibility of such an airport. In addition to commercial passenger market feasibility, there are other feasibility issues dealing with siting, environmental impact, noise, economic impact, intermodal transportation integration, region-wide transportation services, airport engineering requirements, and others. These other feasibility issues are not analyzed in any depth in this report although none were discovered to be show-stoppers as a by-product of the authors doing research on the passenger market itself. Preceding the need for a detailed study of these other issues is the determination of the basic market need for an airport with regular commercial airline service in the first place. This report is restricted to an in-depth look at the market for commercial passenger air service in NNM. 20 figs., 8 tabs.

  12. Application of LBB to high energy piping systems in operating PWR

    SciTech Connect (OSTI)

    Swamy, S.A.; Bhowmick, D.C. [Westinghouse Nuclear Technology Division, Pittsburgh, PA (United States)

    1997-04-01T23:59:59.000Z

    The amendment to General Design Criterion 4 allows exclusion, from the design basis, of dynamic effects associated with high energy pipe rupture by application of leak-before-break (LBB) technology. This new approach has resulted in substantial financial savings to utilities when applied to the Pressurized Water Reactor (PWR) primary loop piping and auxiliary piping systems made of stainless steel material. To date majority of applications pertain to piping systems in operating plants. Various steps of evaluation associated with the LBB application to an operating plant are described in this paper.

  13. Nuclear data uncertainties by the PWR MOX/UO{sub 2} core rod ejection benchmark

    SciTech Connect (OSTI)

    Pasichnyk, I.; Klein, M.; Velkov, K.; Zwermann, W.; Pautz, A. [Boltzmannstr. 14, D-85748 Garching b. Muenchen (Germany)

    2012-07-01T23:59:59.000Z

    Rod ejection transient of the OECD/NEA and U.S. NRC PWR MOX/UO{sub 2} core benchmark is considered under the influence of nuclear data uncertainties. Using the GRS uncertainty and sensitivity software package XSUSA the propagation of the uncertainties in nuclear data up to the transient calculations are considered. A statistically representative set of transient calculations is analyzed and both integral as well as local output quantities are compared with the benchmark results of different participants. It is shown that the uncertainties in nuclear data play a crucial role in the interpretation of the results of the simulation. (authors)

  14. MELCOR analyses of severe accident scenarios in Oconee, a B W PWR plant

    SciTech Connect (OSTI)

    Madni, I.K.; Nimnual, S. (Brookhaven National Lab., Upton, NY (United States)); Foulds, R. (Nuclear Regulatory Commission, Washington, DC (United States))

    1993-01-01T23:59:59.000Z

    This paper presents the results and insights gained from MELCOR analyses of two severe accident scenarios, a Loss of Coolant Accident (LOCA) and a Station Blackout (TMLB) in Oconee, a Babcock Wilcox (B W) designed PWR with a large dry containment, and comparisons with Source Term Code Package (STCP) calculations of the same sequences. Results include predicted timing of key events, thermal-hydraulic response in the reactor coolant system and containment, and environmental releases of fission products. The paper also explores the impact of varying concrete type, vessel failure temperature, and break location on the accident progression, containment pressurization, and environmental releases of radionuclides.

  15. MELCOR analyses of severe accident scenarios in Oconee, a B&W PWR plant

    SciTech Connect (OSTI)

    Madni, I.K.; Nimnual, S. [Brookhaven National Lab., Upton, NY (United States); Foulds, R. [Nuclear Regulatory Commission, Washington, DC (United States)

    1993-03-01T23:59:59.000Z

    This paper presents the results and insights gained from MELCOR analyses of two severe accident scenarios, a Loss of Coolant Accident (LOCA) and a Station Blackout (TMLB) in Oconee, a Babcock & Wilcox (B&W) designed PWR with a large dry containment, and comparisons with Source Term Code Package (STCP) calculations of the same sequences. Results include predicted timing of key events, thermal-hydraulic response in the reactor coolant system and containment, and environmental releases of fission products. The paper also explores the impact of varying concrete type, vessel failure temperature, and break location on the accident progression, containment pressurization, and environmental releases of radionuclides.

  16. UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies & Procedures

    E-Print Network [OSTI]

    Bolch, Tobias

    UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies & Procedures Facilities ­ Parking Services or under the charge or control of the University of Northern British Columbia hereinafter referred.2 Authorization A parking permit conveys the authorization by the University of Northern British Columbia

  17. Secondary Startup Neutron Sources as a Source of Tritium in a Pressurized Water Reactor (PWR) Reactor Coolant System (RCS)

    SciTech Connect (OSTI)

    Shaver, Mark W.; Lanning, Donald D.

    2010-02-01T23:59:59.000Z

    The hypothesis of this paper is that the Zircaloy clad fuel source is minimal and that secondary startup neutron sources are the significant contributors of the tritium in the RCS that was previously assigned to release from fuel. Currently there are large uncertainties in the attribution of tritium in a Pressurized Water Reactor (PWR) Reactor Coolant System (RCS). The measured amount of tritium in the coolant cannot be separated out empirically into its individual sources. Therefore, to quantify individual contributors, all sources of tritium in the RCS of a PWR must be understood theoretically and verified by the sum of the individual components equaling the measured values.

  18. Planning guidance for nuclear-power-plant decontamination. [PWR; BWR

    SciTech Connect (OSTI)

    Munson, L.F.; Divine, J.R.; Martin, J.B.

    1983-06-01T23:59:59.000Z

    Direct and indirect costs of decontamination are considered in the benefit-cost analysis. A generic form of the benefit-cost ratio is evaluated in monetary and nonmonetary terms, and values of dollar per man-rem are cited. Federal and state agencies that may have jurisiction over various aspects of decontamination and waste disposal activities are identified. Methods of decontamination, their general effectiveness, and the advantages and disadvantages of each are outlined. Dilute or concentrated chemical solutions are usually used in-situ to dissolve the contamination layer and a thin layer of the underlying substrate. Electrochemical techniques are generally limited to components but show high decontamination effectiveness with uniform corrosion. Mechanical agents are particularly appropriate for certain out-of-system surfaces and disassembled parts. These processes are catagorized and specific concerns are discussed. The treatment, storage, and disposal or discharge or discharge of liquid, gaseous, and solid wastes generated during the decontamination process are discussed. Radioactive and other hazardous chemical wastes are considered. The monitoring, treatment, and control of radioactive and nonradioactive effluents, from both routine operations and possible accidents, are discussed. Protecting the health and safety of personnel onsite during decontamination is of prime importance and should be considered in each facet of the decontamination process. The radiation protection philosophy of reducing exposure to levels as low as reasonably achievable should be stressed. These issues are discussed.

  19. POWER LEVEL EFFECT IN A PWR ROD EJECTION ACCIDENT.

    SciTech Connect (OSTI)

    DIAMOND,D.J.; BROMLEY,B.P.; ARONSON,A.L.

    2002-10-07T23:59:59.000Z

    The purpose of this study is to determine the effect of the initial power level during a rod ejection accident (REA) on the ejected rod worth and the resulting energy deposition in the fuel. The model used is for the hot zero power (HZP) conditions at the end of a typical fuel cycle for the Three Mile Island Unit 1 pressurized water reactor. PARCS, a transient, three-dimensional, two-group neutron nodal diffusion code, coupled with its own thermal-hydraulics model, is used to perform both steady-state and transient simulations. The worth of an ejected control rod is affected by both power level, and the positions of control banks. As the power level is increased, the worth of a single central control rod tends to drop due to thermal-hydraulic feedback and control bank removal, both of which flatten the radial neutron flux and power distributions. Although the peak fuel pellet enthalpy rise during an REA will be greater for a given ejected rod worth at elevated initial power levels, it is more likely the HZP condition will cause a greater net energy deposition because an ejected rod will have the highest worth at HZP. Thus, the HZP condition can be considered the most conservative in a safety evaluation.

  20. Tracing glacier wastage in the Northern Tien Shan (Kyrgyzstan/Central Asia) over the last 40 years

    E-Print Network [OSTI]

    Richner, Heinz

    Tracing glacier wastage in the Northern Tien Shan (Kyrgyzstan/Central Asia) over the last 40 years watershed, a catchment of the Northern Tien Shan mountain range in Kyrgyzstan. The overall area loss of 28.maselli@cde.unibe.ch V. Bilenko :N. Ershova Kyrgyz-Russian Slavic University, Bishkek, Kyrgyzstan S. Yerokhin State

  1. Application of the MELCOR code to design basis PWR large dry containment analysis.

    SciTech Connect (OSTI)

    Phillips, Jesse; Notafrancesco, Allen (USNRC, Office of Nuclear Regulatory Research, Rockville, MD); Tills, Jack Lee (Jack Tills & Associates, Inc., Sandia Park, NM)

    2009-05-01T23:59:59.000Z

    The MELCOR computer code has been developed by Sandia National Laboratories under USNRC sponsorship to provide capability for independently auditing analyses submitted by reactor manufactures and utilities. MELCOR is a fully integrated code (encompassing the reactor coolant system and the containment building) that models the progression of postulated accidents in light water reactor power plants. To assess the adequacy of containment thermal-hydraulic modeling incorporated in the MELCOR code for application to PWR large dry containments, several selected demonstration designs were analyzed. This report documents MELCOR code demonstration calculations performed for postulated design basis accident (DBA) analysis (LOCA and MSLB) inside containment, which are compared to other code results. The key processes when analyzing the containment loads inside PWR large dry containments are (1) expansion and transport of high mass/energy releases, (2) heat and mass transfer to structural passive heat sinks, and (3) containment pressure reduction due to engineered safety features. A code-to-code benchmarking for DBA events showed that MELCOR predictions of maximum containment loads were equivalent to similar predictions using a qualified containment code known as CONTAIN. This equivalency was found to apply for both single- and multi-cell containment models.

  2. Development of a new lattice physics code robin for PWR application

    SciTech Connect (OSTI)

    Zhang, S.; Chen, G. [Shanghai NuStar Nuclear Power Technology Co., Ltd., 81 South Qinzhou Road, Shanghai 200235 (China)

    2013-07-01T23:59:59.000Z

    This paper presents a description of methodologies and preliminary verification results of a new lattice physics code ROBIN, being developed for PWR application at Shanghai NuStar Nuclear Power Technology Co., Ltd. The methods used in ROBIN to fulfill various tasks of lattice physics analysis are an integration of historical methods and new methods that came into being very recently. Not only these methods like equivalence theory for resonance treatment and method of characteristics for neutron transport calculation are adopted, as they are applied in many of today's production-level LWR lattice codes, but also very useful new methods like the enhanced neutron current method for Dancoff correction in large and complicated geometry and the log linear rate constant power depletion method for Gd-bearing fuel are implemented in the code. A small sample of verification results are provided to illustrate the type of accuracy achievable using ROBIN. It is demonstrated that ROBIN is capable of satisfying most of the needs for PWR lattice analysis and has the potential to become a production quality code in the future. (authors)

  3. Bi-content Gadolinia as Burnable Absorber in PWR to Improve the Reactor Core Behaviour

    SciTech Connect (OSTI)

    Zheng, S. [AREVA, AREVA NP Fuel Sector, 10, Rue Juliette Recamier 69456 Lyon cedex (France)

    2007-07-01T23:59:59.000Z

    The gadolinia product is one of the standard burnable absorbers used in the PWR long and low leakage fuel cycle in order to control the radial power distribution and to hold down the initial core reactivity. This product presents a large number of advantages such as the high efficiency with only a small number of gadolinia-bearing rods, the easy adjustment between the number and the content of the gadolinia-bearing rods according to the cycle length need and the initial reactivity hold-down, no increasing of boron concentration versus cycle depletion, no additional increasing of internal pressure in poisoned rods, very low additional manufacture cost. On the other hand, some unfavourable phenomena are also observed during the utilization of the gadolinia: amplification of the asymmetrical power distribution and more negative axial offset. Based on the correlation between the gadolinia burnout and its content, the use of gadolinia bi-content will improve the parameters indicated here above. The gadolinia bi-content have been used in BWR for more than 20 years. In this paper, the comparison of the main reactor core physical parameters in PWR, calculated with the AREVA NP standard neutronic code package SCIENCE, is made by using the mono- and bi-content of the gadolinia products in the same fuel assembly. The results show that the asymmetrical axial and azimuthal power distribution can be improved in the case of the bi-content gadolinia product. (authors)

  4. Investigation of optimal reactor control for a load-following PWR

    SciTech Connect (OSTI)

    Yim, M.S.

    1987-01-01T23:59:59.000Z

    Characteristics of optimal load-follow control of PWR plants are investigated in this study. A simple system model that describes main features of physical processes in the system was developed. The system model includes core neutronics with all the spatial dependent feedback effects, Xe-I dynamics, core thermal balances, primary-loop thermal balances, and steam-generator dynamic responses to turbine load changes. An optimal control problem that describes power-level control and power-distribution control problem together and considers all the important system operation limits as hard inquality constraints was formulated. The full-length control rod bank positions, part-length control rod positions, and boron concentration changes were modeled as control variables and turbine load variations were used as the forcing variable. Because modern PWR operating policy is to leave the part-length rods uninserted, the part-length rods were not used as a control variable in the optimal control calculations. The optimal control problem was converted to unconstrained nonlinear optimization problem by using the discretization approximation and the penalty function technique. The converted problem was solved by the nonlinear Gauss-Newton method which showed superior performance over all of the other tested optimization methods.

  5. Validation of the new code package APOLLO2.8 for accurate PWR neutronics calculations

    SciTech Connect (OSTI)

    Santamarina, A.; Bernard, D.; Blaise, P.; Leconte, P.; Palau, J. M.; Roque, B.; Vaglio, C.; Vidal, J. F. [Commissariat a l'Energie Atomique et aux Energies Alternatives, CEA, DEN, DER, SPRC, Cadarache, F-13108 Saint-Paul-Lez-Durance (France)

    2013-07-01T23:59:59.000Z

    This paper summarizes the Qualification work performed to demonstrate the accuracy of the new APOLLO2.S/SHEM-MOC package based on JEFF3.1.1 nuclear data file for the prediction of PWR neutronics parameters. This experimental validation is based on PWR mock-up critical experiments performed in the EOLE/MINERVE zero-power reactors and on P.I. Es on spent fuel assemblies from the French PWRs. The Calculation-Experiment comparison for the main design parameters is presented: reactivity of UOX and MOX lattices, depletion calculation and fuel inventory, reactivity loss with burnup, pin-by-pin power maps, Doppler coefficient, Moderator Temperature Coefficient, Void coefficient, UO{sub 2}-Gd{sub 2}O{sub 3} poisoning worth, Efficiency of Ag-In-Cd and B4C control rods, Reflector Saving for both standard 2-cm baffle and GEN3 advanced thick SS reflector. From this qualification process, calculation biases and associated uncertainties are derived. This code package APOLLO2.8 is already implemented in the ARCADIA new AREVA calculation chain for core physics and is currently under implementation in the future neutronics package of the French utility Electricite de France. (authors)

  6. Calculation of releases of radioactive materials in gaseous and liquid effluents from pressurized water reactors (PWR-GALE Code). Revision 1

    SciTech Connect (OSTI)

    Chandrasekaran, T.; Lee, J.Y.; Willis, C.A.

    1985-04-01T23:59:59.000Z

    This report revises the original issuance of NUREG-0017, ''Calculation of Releases of Radioactive Materials in Gaseous and Liquid Effluents from Pressurized Water Reactors (PWR-GALE-Code)'' (April 1976), to incorporate more recent operating data now available as well as the results of a number of in-plant measurement programs at operating pressurized water reactors. The PWR-GALE Code is a computerized mathematical model for calculating the releases of radioactive material in gaseous and liquid effluents (i.e., the gaseous and liquid source terms). The US Nuclear Regulatory Commission uses the PWR-GALE Code to determine conformance with the requirements of Appendix I to 10 CFR Part 50.

  7. Seismic qualification of equipment by means of probabilistic risk assessment. [PWR

    SciTech Connect (OSTI)

    Azarm, M.A.; Farahzad, P.; Boccio, J.L.

    1982-01-01T23:59:59.000Z

    Upon the sponsorship of the Equipment Qualification Branch (EQB) of NRC, Brookhaven National Laboratory (BNL) has utilized a risk-based approach for identifying, in a generic fashion, seismically risk-sensitive equipment. It is anticipated that the conclusions drawn therefrom and the methodology employed will, in part, reconcile some of the concerns dealing with the seismic qualification of equipment in operating plants. The approach taken augments an existing sensitivity analysis, based upon the WASH-1400 Reactor Safety Study (RSS), by accounting for seismicity and component fragility with the Kennedy model and by essentially including the requisite seismic data presented in the Zion Probabilistic Safety Study (ZPSS). Parametrically adjusting the seismic-related variables and ascertaining their effects on overall plant risk, core-melt probability, accident sequence probability, etc., allows one to identify those seismically risk-sensitive systems and equipment. This paper describes the approach taken and highlights the results obtained thus far for a hypothetical pressurized water reactor (PWR).

  8. The key to superior water chemistry at a PWR nuclear station

    SciTech Connect (OSTI)

    Dolan, R.; Miller, L.K.; Olejar, L.L.; Salem, E.

    1983-01-01T23:59:59.000Z

    This paper demonstrates how a condensate polishing unit can be successfully used to treat the feedwater for circulating-type pressurized water reactors (PWRs). Water chemistry at the Salem Generating Station, a two-unit, four-loop Westinghouse PWR located in New Jersey, is discussed. Topics considered include a plant description and the history of early operation, the role of constant surveillance, makeup water quality, the effect of freezing on gel-type anion exchange resin, a total organic carbon (TOC) survey, steam generator chemistry, steam generator inspection, condensate polisher operation, and management philosophy. The SEPREX condensate polishing process, in which the complete separation of the anion exchange resin from the cation exchange resin is achieved by flotation separation, is examined. It is concluded that the utilization of a condensate polishing process such as SEPREX provides the operating personnel at the plant with the necessary means to maintain the minimum desired level of contaminants within the steam generator.

  9. Hydrazine usage for corrosion control in PWR plants with powdered-resin-condensate polishers. Final report

    SciTech Connect (OSTI)

    Barkich, J.L.; Battaglia, P.J.

    1983-03-01T23:59:59.000Z

    The objective of this project was to obtain the data necessary to determine the optimum injection point and amount of hydrazine to be used for oxygen control in PWR units with condensate polishing demineralizers. An additional objective was to demonstrate that the condensate polisher can be used as a means to reduce the oxygen concentration in the condensate when a sufficient excess concentration of hydrazine (over the oxygen) concentration is carried over with the main steam into the condensers. Testing was performed at North Anna Unit 2 which employs powdered resin-type condensate polishing equipment. Testing was also scheduled to be performed at Ginna and Sequoyah Unit 1 plants; however, because of an unscheduled shutdown at Ginna and inability to control hydrazine dosage at Sequoyah, these tests were not performed.

  10. IMPACT OF FISSION PRODUCTS IMPURITY ON THE PLUTONIUM CONTENT IN PWR MOX FUELS

    SciTech Connect (OSTI)

    Gilles Youinou; Andrea Alfonsi

    2012-03-01T23:59:59.000Z

    This report presents the results of a neutronics analysis done in response to the charter IFCA-SAT-2 entitled 'Fuel impurity physics calculations'. This charter specifies that the separation of the fission products (FP) during the reprocessing of UOX spent nuclear fuel assemblies (UOX SNF) is not perfect and that, consequently, a certain amount of FP goes into the Pu stream used to fabricate PWR MOX fuel assemblies. Only non-gaseous FP have been considered (see the list of 176 isotopes considered in the calculations in Appendix 1). This mixture of Pu and FP is called PuFP. Note that, in this preliminary analysis, the FP losses are considered element-independent, i.e., for example, 1% of FP losses mean that 1% of all non-gaseous FP leak into the Pu stream.

  11. Northern New Mexico Math & Science Academy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Northern New Mexico Math & Science Academy for Teachers (MSA) Program Description MSA is an intensive and comprehensive professional development program for K-12 teachers....

  12. Effect of aging on the PWR Chemical and Volume Control System

    SciTech Connect (OSTI)

    Grove, E.J.; Travis, R.J.; Aggarwal, S.K. [Brookhaven National Lab., Upton, NY (United States)

    1995-06-01T23:59:59.000Z

    The PWR Chemical and Volume Control System (CVCS) is designed to provide both safety and non-safety related functions. During normal plant operation it is used to control reactor coolant chemistry, and letdown and charging flow. In many plants, the charging pumps also provide high pressure injection, emergency boration, and RCP seal injection in emergency situations. This study examines the design, materials, maintenance, operation and actual degradation experiences of the system and main sub-components to assess the potential for age degradation. A detailed review of the Nuclear Plant Reliability Data System (NPRDS) and Licensee Event Report (LER) databases for the 1988--1991 time period, together with a review of industry and NRC experience and research, indicate that age-related degradations and failures have occurred. These failures had significant effects on plant operation, including reactivity excursions, and pressurizer level transients. The majority of these component failures resulted in leakage of reactor coolant outside the containment. A representative plant of each PWR design (W, CE, and B and W) was visited to obtain specific information on system inspection, surveillance, monitoring, and inspection practices. The results of these visits indicate that adequate system maintenance and inspection is being performed. In some instances, the frequencies of inspection were increase in response to repeated failure events. A parametric study was performed to assess the effect of system aging on Core Damage Frequency (CDF). This study showed that as motor-operated valve (MOV) operating failures increased, the contribution of the High Pressure Injection to CDF also increased.

  13. Initiation stress threshold irradiation assisted stress corrosion cracking criterion assessment for core internals in PWR environment

    SciTech Connect (OSTI)

    Tanguy, Benoit; Stern, Anthony; Bossis, Philippe [CEA, DEN-DMN, Gif-sur-Yvette, (France); Pokor, Cedric [EDF les Renardieres, Moret-sur-Loing, (France)

    2012-07-01T23:59:59.000Z

    Irradiation assisted stress corrosion cracking (IASCC) is a problem of growing importance in pressurized water reactors (PWR). An understanding of the mechanism(s) of IASCC is required in order to provide guidance for the development of mitigation strategies. One of the principal reasons why the IASCC mechanism(s) has been so difficult to understand is the inseparability of the different IASCC potential contributors evolutions due to neutron irradiation. The potential contributors to IASCC in PWR primary water are: (i) radiation induced segregation (RIS) at grain boundaries, (ii) radiation induced microstructure (formation and growth of dislocations loops, voids, bubbles, phases), (iii) localized deformation under loading, (iv) irradiation creep and transmutations. While the development of some of the contributors (RIS, microstructure) with increasing doses are at least qualitatively well understood, the role of these changes on IASCC remains unclear. Parallel to fundamental understanding developments relative to IASCC, well controlled laboratory tests on neutron irradiated stainless steels are needed to assess the main mechanisms and also to establish an engineering criterion relative to the initiation of fracture due to IASCC. First part of this study describes the methodology carried out at CEA in order to provide more experimental data from constant load tests dedicated to the study of initiation of SCC on neutron irradiated stainless steel. A description of the autoclave recirculation loop dedicated to SCC tests on neutron irradiated materials is then given. This autoclave recirculation loop has been started on July 2010 with the first SCC test on an irradiated stainless steel (grade 316) performed at CEA. The main steps of the interrupted SCC tests are then described. Second part of this paper reports the partial results of the first test performed on a highly neutron irradiated material. (authors)

  14. Geothermal development plan: northern Arizona

    SciTech Connect (OSTI)

    White, D.H.; Goldstone, L.A.

    1981-01-01T23:59:59.000Z

    Much of the northern counties (Apache, Coconino, Gila, Mohave, Navajo and Yavapai) is located in the Colorado Plateau province, a region of low geothermal potential. Two areas that do show some potential are the Flagstaff - San Francisco Peaks area and the Springerville area. Flagstaff is rapidly becoming the manufacturing center of Arizona and will have many opportunities to use geothermal energy to satisfy part of its increasing need for energy. Using a computer simulation model, projections of geothermal energy on line as a function of time are made for both private and city-owned utility development of a resource.

  15. Northern Biodiesel | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America Drilling FluidsNorthAssociationNorthern

  16. Page 318 Courses: Geography (GEOG) Sonoma State University 2012-2013 Catalog GEOG 314C FiEld ExpEriEnCE BEyOnd nOrthErn CaliFOrnia (2)

    E-Print Network [OSTI]

    Ravikumar, B.

    the United States (2-3). Cultural and physical studies of people and laces through travel, observation studies of people and laces through travel, observation and interaction, oral and written analy- sis analysis, report writing and the use of field equipment. Field work will be conducted mainly

  17. Environmental overview of geothermal development: northern Nevada

    SciTech Connect (OSTI)

    Slemmons, D.B.; Stroh, J.M.; Whitney, R.A. (eds.) [eds.

    1980-08-01T23:59:59.000Z

    Regional environmental problems and issues associated with geothermal development in northern Nevada are studied to facilitate environmental assessment of potential geothermal resources. The various issues discussed are: environmental geology, seismicity of northern Nevada, hydrology and water quality, air quality, Nevada ecosystems, noise effects, socio-economic impacts, and cultural resources and archeological values. (MHR)

  18. UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies & Procedures

    E-Print Network [OSTI]

    Bolch, Tobias

    UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies & Procedures Services President's Council Page 1, including vending, will be administered by the University of Northern British Columbia. Food and beverage will be contracted out to one or more qualified contractors. All university catering under the current Food

  19. Groundfish Trawler Profitability, Northern Gulf of Mexico

    E-Print Network [OSTI]

    Groundfish Trawler Profitability, Northern Gulf of Mexico JOHN P. WARREN and WADE L. GRIFFIN Figure I.-Major Gulf of Mexico groundfish ports. MISSISSIPPI Introduction Trawling for bottomfish (ground- fish) in the northern Gulf of Mexico has developed into a significant indus- try for fishing fleets

  20. Northern California Nanotechnology Center Chemical Hygiene Plan

    E-Print Network [OSTI]

    Yoo, S. J. Ben

    Northern California Nanotechnology Center Chemical Hygiene Plan Rev 11/12 Page 1 Northern California Nanotechnology Center Chemical Hygiene Plan 1.0 Introduction Cal-OSHA (Title 8 CCR 5191) and campus regulations require that all laboratories have a written Chemical Hygiene Plan. The Chemical

  1. Sensitivity of risk parameters to component unavailability in reactor safety study (PSAP/PSAB computer codes). [PWR; BWR

    SciTech Connect (OSTI)

    Azarm, M.; Farahzad, P.; Tingle, A.

    1982-06-01T23:59:59.000Z

    The Probabilistic Sensitivity Analysis for Pressurized and Boiling Water Reactors (PSAP/PSAB) codes have been developed to update the WASH-1400 conclusions. The initial effort, reported in NUREG/CR-1879 Sensitivity of Risk Parameters to Human Errors in Reactor Safety Study for a PWR, concentrated on developing a code for system sensitivity to human errors based on an expanded version of the PWR fault trees from the Reactor Safety Study (RSS). The success of that effort and the insights gained from the code's use initiated the development of the PSAP/PSAB codes. The two codes allow the user to evaluate the impact of new data and system models on the conclusions drawn in WASH-1400. They are designed to be fast running and modular so that detailed sensitivity studies can be run efficiently.

  2. EA-1849: Ormat Nevada Geothermal Projects in Northern NV | Department...

    Office of Environmental Management (EM)

    9: Ormat Nevada Geothermal Projects in Northern NV EA-1849: Ormat Nevada Geothermal Projects in Northern NV August 22, 2011 EA-1849: Final Environmental Assessment Tuscarora...

  3. area northern tibet: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    how this migration occurs, we focus here on one poten- tial mechanism that northern rock sole use 73 SouthernNorthern California Coastal Processes Annotated Bibliography:...

  4. adamello batholith northern: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    On the surface Bolch, Tobias 43 Northern Bobwhite Habitat Requirements and Evaluation Guide Engineering Websites Summary: Northern Bobwhite Habitat Requirements and...

  5. auckland domain northern: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    On the surface Bolch, Tobias 154 Northern Bobwhite Habitat Requirements and Evaluation Guide Engineering Websites Summary: Northern Bobwhite Habitat Requirements and...

  6. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Vickie Bedard Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Vickie Bedard Application from Northern Pass to construct, operate and maintain...

  7. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Larry Rappaport Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Larry Rappaport Application from Northern Pass Transmission to...

  8. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Erick Berglund, Jr. Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Erick Berglund, Jr. Application from Northern Pass to construct, operate...

  9. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Fran Buteau Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Fran Buteau Application from Northern Pass Transmission to construct,...

  10. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Mary Bearor Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Mary Bearor Application from Northern Pass Transmission to construct,...

  11. Application for Presidential Permit OE Docket No. PP-371 Northern...

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    Robert Cote Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Robert Cote Application from Northern Pass to construct, operate and maintain...

  12. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    John Doane Sr. Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from John Doane Sr. Application from Northern Pass to construct, operate and...

  13. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

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  14. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Rana Klug Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Rana Klug Application from Northern Pass to construct, operate and maintain electric...

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  18. Application for Presidential Permit OE Docket No. PP-371 Northern...

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    Gina Neily Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Gina Neily Application from Northern Pass to construct, operate and maintain...

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  20. Application for Presidential Permit OE Docket No. PP-371 Northern...

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    Courtney Kearley Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Courtney Kearley Application from Northern Pass to construct, operate and...

  1. Application for Presidential Permit OE Docket No. PP-371 Northern...

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  5. Application for Presidential Permit OE Docket No. PP-371 Northern...

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    Fred Brownson Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Fred Brownson Application from Northern Pass Transmission to...

  6. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

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    Paula VandeWerken Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Paula VandeWerken Application from Northern Pass Transmission...

  16. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    James Kennedy Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from James Kennedy Application from Northern Pass to construct, operate and maintain...

  17. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Michael Marino Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Michael Marino Application from Northern Pass Transmission to...

  18. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    The Weeks Lancaster Trust Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from The Weeks Lancaster Trust Application from Northern Pass to...

  19. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Elisha Gray Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Elisha Gray Application from Northern Pass Transmission to construct,...

  20. Application for presidential permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Letter of MOU Cancellation Application for presidential permit OE Docket No. PP-371 Northern Pass Transmission LLC: Letter of MOU Cancellation March 7, 2011 Northern Pass...

  1. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Hanglin Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Pamela Hanglin Application from Northern Pass to construct, operate and maintain...

  2. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Roy Kjendal Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Roy Kjendal Application from Northern Pass to construct, operate and maintain...

  3. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Lee Ann Moulder Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Lee Ann Moulder Application from Northern Pass Transmission to...

  4. Application for Presidential Permit OE Docket No: PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Northern Pass Transmission: Comments from William and Michelle Shoemaker Application for Presidential Permit OE Docket No: PP-371 Northern Pass Transmission: Comments from William...

  5. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Alice Peatman Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Alice Peatman Application from Northern Pass Transmission to...

  6. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    The Nature Conservancy Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from The Nature Conservancy Application from Northern Pass to construct,...

  7. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Steve Nogueira Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Steve Nogueira Application from Northern Pass to construct, operate and...

  8. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Taras Kucman Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Taras Kucman Application from Northern Pass to construct, operate and maintain...

  9. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Lindsey Coombs Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Lindsey Coombs Application from Northern Pass to construct, operate and...

  10. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Linda Upham Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Linda Upham Application from Northern Pass Transmission to construct,...

  11. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Bruce Adami Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Bruce Adami Application from Northern Pass to construct, operate and maintain...

  12. SAS2H Generated Isotopic Concentrations For B&W 15X15 PWR Assembly (SCPB:N/A)

    SciTech Connect (OSTI)

    J.W. Davis

    1996-08-29T23:59:59.000Z

    This analysis is prepared by the Mined Geologic Disposal System (MGDS) Waste Package Development Department (WPDD) to provide pressurized water reactor (PWR) isotopic composition data as a function of time for use in criticality analyses. The objectives of this evaluation are to generate burnup and decay dependant isotopic inventories and to provide these inventories in a form which can easily be utilized in subsequent criticality calculations.

  13. Texas Fever: Experiments Made by the Texas Agricultural Experiment Station, in Co-operation with the Missouri Experiment Station and the Missouri State Board of Agriculture, in Immunizing Northern Breeding Cattle Against Texas Fever.

    E-Print Network [OSTI]

    Connaway, J. W.; Francis, M. (Mark)

    1899-01-01T23:59:59.000Z

    of preventing these 1ocssc.s h.rs led the Experiment Stations of lfissouri and Teras and the Missouri State Board of Agriculture to undertake the experimelits re- ported herein. This co-operative work was begun in 1896, and is still in prog- ress... Station before shipping, and three after their arrival in Missis- sippi. These cattle varied In age from 1 1-2 years to 11 years. They were inoculated daily with serum in doses of 40 to 60 cc., according to size of animal. The minin~um quqntity injected...

  14. Development and Application of Laser Peening System for PWR Power Plants

    SciTech Connect (OSTI)

    Masaki Yoda; Itaru Chida; Satoshi Okada; Makoto Ochiai; Yuji Sano; Naruhiko Mukai; Gaku Komotori; Ryoichi Saeki [Toshiba Corporation (Japan); Toshimitsu Takagi; Masanori Sugihara; Hirokata Yoriki [Shikoku Electric Co., Inc. (Japan)

    2006-07-01T23:59:59.000Z

    Laser peening is a process to improve residual stress from tensile to compressive in surface layer of materials by irradiating high-power laser pulses on the material in water. Toshiba has developed a laser peening system composed of Q-switched Nd:YAG laser oscillators, laser delivery equipment and underwater remote handling equipment. We have applied the system for Japanese operating BWR power plants as a preventive maintenance measure for stress corrosion cracking (SCC) on reactor internals like core shrouds or control rod drive (CRD) penetrations since 1999. As for PWRs, alloy 600 or 182 can be susceptible to primary water stress corrosion cracking (PWSCC), and some cracks or leakages caused by the PWSCC have been discovered on penetrations of reactor vessel heads (RVHs), reactor bottom-mounted instrumentation (BMI) nozzles, and others. Taking measures to meet the unconformity of the RVH penetrations, RVHs themselves have been replaced in many PWRs. On the other hand, it's too time-consuming and expensive to replace BMI nozzles, therefore, any other convenient and less expensive measures are required instead of the replacement. In Toshiba, we carried out various tests for laser-peened nickel base alloys and confirmed the effectiveness of laser peening as a preventive maintenance measure for PWSCC. We have developed a laser peening system for PWRs as well after the one for BWRs, and applied it for BMI nozzles, core deluge line nozzles and primary water inlet nozzles of Ikata Unit 1 and 2 of Shikoku Electric Power Company since 2004, which are Japanese operating PWR power plants. In this system, laser oscillators and control devices were packed into two containers placed on the operating floor inside the reactor containment vessel. Laser pulses were delivered through twin optical fibers and irradiated on two portions in parallel to reduce operation time. For BMI nozzles, we developed a tiny irradiation head for small tubes and we peened the inner surface around J-groove welds after laser ultrasonic testing (LUT) as the remote inspection, and we peened the outer surface and the weld for Ikata Unit 2 supplementary. For core deluge line nozzles and primary water inlet nozzles, we peened the inner surface of the dissimilar metal welding, which is of nickel base alloy, joining a safe end and a low alloy metal nozzle. In this paper, the development and the actual application of the laser peening system for PWR power plants will be described. (authors)

  15. Northern Electric Coop, Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: Energy ResourcesGranby,Plains,Northampton,St.NorthernNorthernNorthern

  16. PP-28 The Northern Electric Cooperative | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern States-24 The

  17. Development of a coupling code for PWR reactor cavity radiation streaming calculation

    SciTech Connect (OSTI)

    Zheng, Z.; Wu, H.; Cao, L.; Zheng, Y.; Zhang, H.; Wang, M. [NECP Laboratory, School of Nuclear Science and Technology, Xi'an Jiaotong Univ., Xi'an Shaanxi 710049 (China)

    2012-07-01T23:59:59.000Z

    PWR reactor cavity radiation streaming is important for the safe of the personnel and equipment, thus calculation has to be performed to evaluate the neutron flux distribution around the reactor. For this calculation, the deterministic codes have difficulties in fine geometrical modeling and need huge computer resource; and the Monte Carlo codes require very long sampling time to obtain results with acceptable precision. Therefore, a coupling method has been developed to eliminate the two problems mentioned above in each code. In this study, we develop a coupling code named DORT2MCNP to link the Sn code DORT and Monte Carlo code MCNP. DORT2MCNP is used to produce a combined surface source containing top, bottom and side surface simultaneously. Because SDEF card is unsuitable for the combined surface source, we modify the SOURCE subroutine of MCNP and compile MCNP for this application. Numerical results demonstrate the correctness of the coupling code DORT2MCNP and show reasonable agreement between the coupling method and the other two codes (DORT and MCNP). (authors)

  18. Aging mechanisms in the Westinghouse PWR (Pressurized Water Reactor) Control Rod Drive system

    SciTech Connect (OSTI)

    Gunther, W.; Sullivan, K.

    1991-01-01T23:59:59.000Z

    An aging assessment of the Westinghouse Pressurized Water Reactor (PWR) Control Rod System (CRD) has been completed as part of the US NRC's Nuclear Plant Aging Research, (NPAR) Program. This study examined the design, construction, maintenance, and operation of the system to determine its potential for degradation as the plant ages. Selected results from this study are presented in this paper. The operating experience data were evaluated to identify the predominant failure modes, causes, and effects. From our evaluation of the data, coupled with an assessment of the materials of construction and the operating environment, we conclude that the Westinghouse CRD system is subject to degradation which, if unchecked, could affect its safety function as a plant ages. Ways to detect and mitigate the effects of aging are included in this paper. The current maintenance for the control rod drive system at fifteen Westinghouse PWRs was obtained through a survey conducted in cooperation with EPRI and NUMARC. The results of the survey indicate that some plants have modified the system, replaced components, or expanded preventive maintenance. Several of these activities have effectively addressed the aging issue. 2 refs., 2 figs., 2 tabs.

  19. Modern Fuel Cladding in Demanding Operation - ZIRLO in Full Life High Lithium PWR Coolant

    SciTech Connect (OSTI)

    Kargol, Kenneth [Pacific Gas and Electric Company, Diablo Canyon Power Plant, Avila Beach, California (United States); Stevens, Jim [TXU Power, Comanche Peak Steam Electric Station, Glen Rose, Texas (United States); Bosma, John [Westinghouse Electric Company, Dallas, Texas (United States); Iyer, Jayashri; Wikmark, Gunnar [Westinghouse Electric Company, Columbia, South Carolina (United States)

    2007-07-01T23:59:59.000Z

    There is an increasing demand to optimize the PWR water chemistry in order to minimize activity build-up in the plants and to avoid CIPS and other fuel related issues. Operation with a constant pH between 7.2 and 7.4 is generally considered an important part in achieving the optimized water chemistry. The extended long cycles currently used in most of the U.S. PWRs implies that the lithium concentration at BOC will be outside the general operating experience with such a coolant chemistry regime. With the purpose to extend the experience of high lithium coolant operation, such water chemistry has been used in a few PWRs, i.e. CPSES Unit 2 and Diablo Canyon Units 1 and 2, all with ZIRLO{sup TM} cladding. Operation with a lithium concentration up to 4.2 ppm does not show any impact of the elevated lithium, while operation with up to 6 ppm possibly produce some limited corrosion acceleration in the region of sub-nucleate boiling but has no detrimental impact under the conditions limited by current operating experience. (authors)

  20. Assessment of molten debris freezing in a severe RIA in-pile test. [PWR; BWR

    SciTech Connect (OSTI)

    El-Genk, M.S.; Moore, R.L.

    1980-01-01T23:59:59.000Z

    An understanding of the freezing of molten debris on cold core structures following a hypothetical core meltdown accident in a light water reactor (LWR) is of importance to reactor safety analysis. The purpose of the present investigation was to analyze the transient freezing of the molten debris produced in a severe reactivity initiated accident (RIA) scoping test, designated RIA-ST-4, which was performed in the Power Burst Facility and simulated a BWR control rod drop accident. In the RIA-ST-4 experiment, a single, unirradiated, 20 wt % enriched, UO/sub 2/ fuel rod contained within a Zircaloy flow shroud was subjected to a single power burst which deposited a total energy of about 700 cal/g UO/sub 2/. This energy deposition is well above what is possible in a commercial LWR during a hypothetical control rod drop (BWR) or ejection (PWR) accident. However, the performance of such an in-pile test has provided important information regarding molten debris movement, relocation, and freezing on cold walls.

  1. Head Loss Evaluation in a PWR Reactor Vessel Using CFD Analysis

    SciTech Connect (OSTI)

    Ji Hwan Jeong; Jong Pil Park [School of Mechanical Engineering, Pusan National University, Enesys Jangjeon-dong, Geumjeong-gu, Busan (Korea, Republic of); Byoung-Sub Han [Jangdae-dong, Yusong-gu, Daejeon (Korea, Republic of)

    2006-07-01T23:59:59.000Z

    Nuclear vendors and utilities perform lots of simulations and analyses in order to ensure the safe operation of nuclear power plants (NPPs). In general, the simulations are carried out using vendor-specific design codes and best-estimate system analysis codes and most of them were developed based on 1-dimensional lumped parameter models. During the past decade, however, computers, parallel computation methods, and 3-dimensional computational fluid dynamics (CFD) codes have been dramatically enhanced. It is believed to be beneficial to take advantage of advanced commercial CFD codes in safety analysis and design of NPPs. The present work aims to analyze the flow distribution in downcomer and lower plenum of Korean standard nuclear power plants (KSNPs) using STAR-CD. The lower plenum geometry of a PWR is very complicated since there are so many reactor internals, which hinders in CFD analysis for real reactor geometry up to now. The present work takes advantage of 3D CAD model so that real geometry of lower plenum is used. The results give a clear figure about flow fields in the reactor vessel, which is one of major safety concerns. The calculated pressure drop across downcomer and lower plenum appears to be in good agreement with the data in engineering calculation note. A algorithm which can evaluate head loss coefficient which is necessary for thermal-hydraulic system code running was suggested based on this CFD analysis results. (authors)

  2. ASTM standards associated with PWR and BWR power plant licensing, operation and surveillance

    SciTech Connect (OSTI)

    McElroy, W.N. [Consultants and Technology Services, Richland, WA (United States); McElroy, R.J. [AEA Reactor Services, Harwell (United Kingdom); Gold, R. [Metrology Control Corp., Richland, WA (United States); Lippincott, E.P. [Westinghouse Electric Corp., Pittsburgh, PA (United States); Lowe, A.L. Jr. [BW Nuclear Technologies, Lynchburg, VA (United States)

    1994-12-31T23:59:59.000Z

    This paper considers ASTM Standards that are available, under revision, and are being considered in support of Pressurized Water Reactor (PWR) and Boiling Water Reactor (BWR) Nuclear Power Plant (NPP) licensing, regulation, operation, surveillance and life attainment. The current activities of ASTM Committee E10 and its Subcommittees E10.02 and current activities of ASTM Committee E10 and its Subcommittees E10.02 and E10.05 and their Task Groups (TG) are described. A very important aspect of these efforts is the preparation, revision, and balloting of standards identified in the ASTM E706 Standard on Master Matrix for Light Water Reactor (LWR) Pressure Vessel (PV) Surveillance Standards. The current version (E706-87) of the Master Matrix identifies 21 ASTM LWR physics-dosimetry-metallurgy standards for Reactor Pressure Vessel (RPV) and Support Structure (SS) surveillance programs, whereas, for the next revision 34 standards are identified. The need for national and international coordination of Standards Technology Development, Transfer and Training (STDTT) is considered in this and other Symposium papers that address specific standards related physics-dosimetry-metallurgy issues. 69 refs.

  3. LBB evaluation for a typical Japanese PWR primary loop by using the US NRC approved methods

    SciTech Connect (OSTI)

    Swamy, S.A.; Bhowmick, D.C.; Prager, D.E. [Westinghouse Nuclear Technology Division, Pittsburgh, PA (United States)

    1997-04-01T23:59:59.000Z

    The regulatory requirements for postulated pipe ruptures have changed significantly since the first nuclear plants were designed. The Leak-Before-Break (LBB) methodology is now accepted as a technically justifiable approach for eliminating postulation of double-ended guillotine breaks (DEGB) in high energy piping systems. The previous pipe rupture design requirements for nuclear power plant applications are responsible for all the numerous and massive pipe whip restraints and jet shields installed for each plant. This results in significant plant congestion, increased labor costs and radiation dosage for normal maintenance and inspection. Also the restraints increase the probability of interference between the piping and supporting structures during plant heatup, thereby potentially impacting overall plant reliability. The LBB approach to eliminate postulating ruptures in high energy piping systems is a significant improvement to former regulatory methodologies, and therefore, the LBB approach to design is gaining worldwide acceptance. However, the methods and criteria for LBB evaluation depend upon the policy of individual country and significant effort continues towards accomplishing uniformity on a global basis. In this paper the historical development of the U.S. LBB criteria will be traced and the results of an LBB evaluation for a typical Japanese PWR primary loop applying U.S. NRC approved methods will be presented. In addition, another approach using the Japanese LBB criteria will be shown and compared with the U.S. criteria. The comparison will be highlighted in this paper with detailed discussion.

  4. OSL ages on glaciofluvial sediment in northern Lower Michigan constrain expansion of the Laurentide ice sheet

    E-Print Network [OSTI]

    Schaetzl, Randall

    , Michigan State University, East Lansing, MI 48824-1117, USA b Department of Earth and Environmental for the MIS 2 (late Wisconsin) advance into central northern Lower Michigan. We suggest that widespread ice chronologic control on the advancing MIS 2 ice margin in this part of Lower Michigan and refine the under

  5. RETHINKING THE EFFECTS OF THE FOREIGN MISSIONARIES' MISSION TO AFRICA, FOCUSING ON THE CHURCH OF THE BRETHREN MISSONARIES AMONG THE MARGI UDZIRNGU IN NORTHERN NIGERIA

    E-Print Network [OSTI]

    Birdling, Emmanuel Awidau

    2009-02-05T23:59:59.000Z

    The Margi ethnic group occupies the geographical region of southern Borno and northern Adamawa states of the Republic of Nigeria. This study concentrates on the Margi Udzirngu subgroup who currently resides in North Eastern Nigeria. Margi Udzirngu...

  6. Analysis of a rod withdrawal in a PWR core with the neutronic- thermalhydraulic coupled code RELAP/PARCS and RELAP/VALKIN

    SciTech Connect (OSTI)

    Miro, R.; Maggini, F.; Barrachina, T.; Verdu, G. [Departamento de Ingenieria Quimica y Nuclear, Universidad Politecnica de Valencia, Camino de Vera, 14, 46022, Valencia (Spain); Gomez, A.; Ortego, A. [IBERINCO, Avenida de Burgos, Madrid (Spain); Murillo, J. C. [CNAT, Av. Manoteras, Madrid (Spain)

    2006-07-01T23:59:59.000Z

    The Reactor Ejection Accident (REA) belongs to the Reactor Initiated Accidents (RIA) category of accidents and it is part of the licensing basis accident analyses required for pressure water reactors (PWR). The REA at hot zero power (HZP) is characterized by a single rod ejection from a core position with a very low power level. The evolution consists basically of a continuous reactivity insertion. The main feature limiting the consequences of the accident in a PWR is the Doppler Effect. To check the performance of the coupled code RELAP5/PARCS2.5 and RELAP5/VALKIN a REA in Trillo NPP is simulated. These analyses will allow knowing more accurately the PWR real plant phenomenology in the RIA most limiting conditions. (authors)

  7. A safety and regulatory assessment of generic BWR and PWR permanently shutdown nuclear power plants

    SciTech Connect (OSTI)

    Travis, R.J.; Davis, R.E.; Grove, E.J.; Azarm, M.A. [Brookhaven National Lab., Upton, NY (United States)

    1997-08-01T23:59:59.000Z

    The long-term availability of less expensive power and the increasing plant modification and maintenance costs have caused some utilities to re-examine the economics of nuclear power. As a result, several utilities have opted to permanently shutdown their plants. Each licensee of these permanently shutdown (PSD) plants has submitted plant-specific exemption requests for those regulations that they believe are no longer applicable to their facility. This report presents a regulatory assessment for generic BWR and PWR plants that have permanently ceased operation in support of NRC rulemaking activities in this area. After the reactor vessel is defueled, the traditional accident sequences that dominate the operating plant risk are no longer applicable. The remaining source of public risk is associated with the accidents that involve the spent fuel. Previous studies have indicated that complete spent fuel pool drainage is an accident of potential concern. Certain combinations of spent fuel storage configurations and decay times, could cause freshly discharged fuel assemblies to self heat to a temperature where the self sustained oxidation of the zircaloy fuel cladding may cause cladding failure. This study has defined four spent fuel configurations which encompass all of the anticipated spent fuel characteristics and storage modes following permanent shutdown. A representative accident sequence was chosen for each configuration. Consequence analyses were performed using these sequences to estimate onsite and boundary doses, population doses and economic costs. A list of candidate regulations was identified from a screening of 10 CFR Parts 0 to 199. The continued applicability of each regulation was assessed within the context of each spent fuel storage configuration and the results of the consequence analyses.

  8. Decay Heat Calculations for PWR and BWR Assemblies Fueled with Uranium and Plutonium Mixed Oxide Fuel using SCALE

    SciTech Connect (OSTI)

    Ade, Brian J [ORNL; Gauld, Ian C [ORNL

    2011-10-01T23:59:59.000Z

    In currently operating commercial nuclear power plants (NPP), there are two main types of nuclear fuel, low enriched uranium (LEU) fuel, and mixed-oxide uranium-plutonium (MOX) fuel. The LEU fuel is made of pure uranium dioxide (UO{sub 2} or UOX) and has been the fuel of choice in commercial light water reactors (LWRs) for a number of years. Naturally occurring uranium contains a mixture of different uranium isotopes, primarily, {sup 235}U and {sup 238}U. {sup 235}U is a fissile isotope, and will readily undergo a fission reaction upon interaction with a thermal neutron. {sup 235}U has an isotopic concentration of 0.71% in naturally occurring uranium. For most reactors to maintain a fission chain reaction, the natural isotopic concentration of {sup 235}U must be increased (enriched) to a level greater than 0.71%. Modern nuclear reactor fuel assemblies contain a number of fuel pins potentially having different {sup 235}U enrichments varying from {approx}2.0% to {approx}5% enriched in {sup 235}U. Currently in the United States (US), all commercial nuclear power plants use UO{sub 2} fuel. In the rest of the world, UO{sub 2} fuel is still commonly used, but MOX fuel is also used in a number of reactors. MOX fuel contains a mixture of both UO{sub 2} and PuO{sub 2}. Because the plutonium provides the fissile content of the fuel, the uranium used in MOX is either natural or depleted uranium. PuO{sub 2} is added to effectively replace the fissile content of {sup 235}U so that the level of fissile content is sufficiently high to maintain the chain reaction in an LWR. Both reactor-grade and weapons-grade plutonium contains a number of fissile and non-fissile plutonium isotopes, with the fraction of fissile and non-fissile plutonium isotopes being dependent on the source of the plutonium. While only RG plutonium is currently used in MOX, there is the possibility that WG plutonium from dismantled weapons will be used to make MOX for use in US reactors. Reactor-grade plutonium in MOX fuel is generally obtained from reprocessed irradiated nuclear fuel, whereas weapons-grade plutonium is obtained from decommissioned nuclear weapons material and thus has a different plutonium (and other actinides) concentration. Using MOX fuel instead of UOX fuel has potential impacts on the neutronic performance of the nuclear fuel and the design of the nuclear fuel must take these differences into account. Each of the plutonium sources (RG and WG) has different implications on the neutronic behavior of the fuel because each contains a different blend of plutonium nuclides. The amount of heat and the number of neutrons produced from fission of plutonium nuclides is different from fission of {sup 235}U. These differences in UOX and MOX do not end at discharge of the fuel from the reactor core - the short- and long-term storage of MOX fuel may have different requirements than UOX fuel because of the different discharged fuel decay heat characteristics. The research documented in this report compares MOX and UOX fuel during storage and disposal of the fuel by comparing decay heat rates for typical pressurized water reactor (PWR) and boiling water reactor (BWR) fuel assemblies with and without weapons-grade (WG) and reactor-grade (RG) MOX fuel.

  9. PRESIDENTIAL PERMIT NORTHERN STATES POWER COMPANY ORDER NO. PP-231

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy ChinaofSchaeferAprilOverviewEfficiencyofHSSPIA - I-ManageMisusePERMIT APPLICATION FOR

  10. EA-282 Northern States Power Company | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny:Revised Finding of No53197EFindingEA-257-C EmeraEA-278 DirectEA-280281-AEA-282

  11. EA-63-C Northern States Power | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny:Revised Finding of No53197EFindingEA-257-CEA-296-B22441Department

  12. PP-231 Northern States Power Company | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in ManyDepartmentOutreachDepartment56703PP-22PP-230PP-230-3PP-231

  13. PP-63 Northern States Power Company (NSP) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in235-1 Termoelectrica U.S LLC

  14. Northern States Power Co - Minnesota (North Dakota) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to: navigation,Information

  15. Northern States Power Co - Minnesota (North Dakota) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to:

  16. Northern States Power Co - Wisconsin (Michigan) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to:Information

  17. EA-63-C Northern States Power | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy China 2015 Business42.1Energy |FinalEESS-7 to export electric energy toCWP Energy

  18. Arizona State University | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnualProperty EditCalifornia: Energy Resources JumpAnaconda,AnzaArcade,theElectric PwrArizona State

  19. Testing and analyses of the TN-24P PWR spent-fuel dry storage cask loaded with consolidated fuel

    SciTech Connect (OSTI)

    McKinnon, M A; Michener, T E; Jensen, M F; Rodman, G R

    1989-02-01T23:59:59.000Z

    A performance test of a Transnuclear, Inc. TN-24P storage cask configured for pressurized water reactor (PWR) spent fuel was performed. The work was performed by the Pacific Northwest Laboratory (PNL) and Idaho National Engineering Laboratory (INEL) for the US Department of Energy Office of Civilian Radioactive Waste Management (OCRWM) and the Electric Power Research Institute. The performance test consisted of loading the TN-24P cask with 24 canisters of consolidated PWR spent fuel from Virginia Power's Surry and Florida Power and Light's Turkey Point reactors. Cask surface and fuel canister guide tube temperatures were measured, as were cask surface gamma and neutron dose rates. Testing was performed with vacuum, nitrogen, and helium backfill environments in both vertical and horizontal cask orientations. Transnuclear, Inc., arranged to have a partially insulated run added to the end of the test to simulate impact limiters. Limited spent fuel integrity data were also obtained. From both heat transfer and shielding perspectives, the TN-24P cask with minor refinements can be effectively implemented at reactor sites and central storage facilities for safe storage of unconsolidated and consolidated spent fuel. 35 refs., 93 figs., 17 tabs.

  20. Northern Municipal Power Agency | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCalifornia SolarNorthernNorthern

  1. Northern Virginia Elec Coop | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to:InformationNorthernNorthern

  2. Spin-On for the Renaissance?The Current State of China's Nuclear Industry

    E-Print Network [OSTI]

    Yuan, Jing-dong

    2010-01-01T23:59:59.000Z

    are primarily based on two PWR designs: the CPR-1000 andpressurized water reactor (PWR) in Qinshan in the mid-1980s,civilian purposes. Fabrication of PWR fuel is undertaken at

  3. TOPICAL REPORT ON ACTINIDE-ONLY BURNUP CREDIT FOR PWR SPENT NUCLEAR FUEL PACKAGES

    SciTech Connect (OSTI)

    DOE

    1997-04-01T23:59:59.000Z

    A methodology for performing and applying nuclear criticality safety calculations, for PWR spent nuclear fuel (SNF) packages with actinide-only burnup credit, is described. The changes in the U-234, U-235, U-236, U-238, Pu-238, Pu-239, Pu-240, Pu-241, Pu-242, and Am-241 concentration with burnup are used in burnup credit criticality analyses. No credit for fission product neutron absorbers is taken. The methodology consists of five major steps. (1) Validate a computer code system to calculate isotopic concentrations of SNF created during burnup in the reactor core and subsequent decay. A set of chemical assay benchmarks is presented for this purpose as well as a method for assessing the calculational bias and uncertainty, and conservative correction factors for each isotope. (2) Validate a computer code system to predict the subcritical multiplication factor, k{sub eff}, of a spent nuclear fuel package. Fifty-seven UO{sub 2}, UO{sub 2}/Gd{sub 2}O{sub 3}, and UO{sub 2}/PuO{sub 2} critical experiments have been selected to cover anticipated conditions of SNF. The method uses an upper safety limit on k{sub eff} (which can be a function of the trending parameters) such that the biased k{sub eff}, when increased for the uncertainty is less than 0.95. (3) Establish bounding conditions for the isotopic concentration and criticality calculations. Three bounding axial profiles have been established to assure the ''end effect'' is accounted for conservatively. (4) Use the validated codes and bounding conditions to generate package loading criteria (burnup credit loading curves). Burnup credit loading curves show the minimum burnup required for a given initial enrichment. The utility burnup record is compared to this requirement after the utility accounts for the uncertainty in its record. Separate curves may be generated for each assembly design, various minimum cooling times and burnable absorber histories. (5) Verify that SNF assemblies meet the package loading criteria and confirm proper assembly selection prior to loading. A measurement of the average assembly burnup is required and that measurement must be within 10% of the utility burnup record for the assembly to be accepted. The measurement device must be accurate to within 10%. Each step is described in detail for use with any computer code system and is then demonstrated with the SCALE 4.2 computer code package using 27BURNUPLIB cross sections.

  4. 2012 Internship Handbook Master in Northern Governance and

    E-Print Network [OSTI]

    Peak, Derek

    2012 Internship Handbook Master in Northern Governance and Development Program University of Saskatchewan #12;2 1. Objectives of the Internship.................................................................................................................................................9 1. Objectives of the Internship The internship component of the Master in Northern Governance

  5. Thomas, J.R. and Clem, A.W, 1991, PWR moderator temperature coefficient via noise analysis: time series methods, Proceedings of SMORNVI, Gatlinburg, 34.01

    E-Print Network [OSTI]

    Pzsit, Imre

    and Testing Symposium, Knoxville, Tennes see 52.01 Uhrig, R.E., 1990, Use of artificial intelligence/Computer Interactions: Nuclear and Beyond, Nash ville, Tennessee, 210 Uhrig R.E., 1991, Potential application of neural 36 Thomas, J.R. and Clem, A.W, 1991, PWR moderator temperature coefficient via noise analysis

  6. The Sparta aquifer, northern Brazos County, Texas

    E-Print Network [OSTI]

    Wauters, John F

    1956-01-01T23:59:59.000Z

    on electrical logs. A study of electrica) logs of oil tests and water wells through- out northern Brazos County reveals that the subsurface Sparta forma- tion is about 300 feet thick and that 80 per cent of the water bearing sands are in the lower portio...

  7. Modeling Northern Peatland Decomposition and Peat

    E-Print Network [OSTI]

    Moore, Tim

    Modeling Northern Peatland Decomposition and Peat Accumulation Steve Frolking,1 * Nigel T. Roulet,2al, Quebec, H3C 3J7, Canada ABSTRACT To test the hypothesis that long-term peat accumula- tion is related to contemporary carbon flux dynamics, we present the Peat Decomposition Model (PDM), a new model of long-term peat

  8. International negotiations on acid rains in Northern Europe

    E-Print Network [OSTI]

    Toint, Philippe

    International negotiations on acid rains in Northern Europe: a discrete time iterative process by M on acid rains in Northern Europe: a discrete time iterative process \\Lambda Marc Germain y Philippe L is provided by Kaitala et al. (1995) in the context of the ``acid rain game'' in Northern Europe, that is

  9. UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies and Procedures

    E-Print Network [OSTI]

    Bolch, Tobias

    UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies and Procedures Finance President's Council Page to sign cheques on behalf of the University of Northern British Columbia are hereby authorized to make use and charge to the account of the University of Northern British Columbia all instruments purporting

  10. University of Northern British Columbia Posting # 12-048DR

    E-Print Network [OSTI]

    Northern British Columbia, University of

    University of Northern British Columbia Posting # 12-048DR University Librarian (Full Time, Term - One year) The University of Northern British Columbia (UNBC) aspires to be Canada's premier small quoting competition #12- 048DR to: Human Resources, University of Northern British Columbia, 3333

  11. Summary of the University of Northern British Columbia Pension Plan

    E-Print Network [OSTI]

    Northern British Columbia, University of

    Summary of the University of Northern British Columbia Pension Plan July 2006 62354-G my plan #12;Summary of the University of Northern British Columbia Pension Plan Page 2 Summary Of The University Of Northern British Columbia Pension Plan TABLE OF CONTENTS INTRODUCTION

  12. University of Northern British Columbia The University Plan

    E-Print Network [OSTI]

    Northern British Columbia, University of

    1 University of Northern British Columbia The University Plan 2010 #12;1 2 Our Values We excel and responsive to student and community needs. #12;3 4 T he University of Northern British Columbia was born of northern British Columbia motivated 16,000 citizens to pay $5 each and petition government for a university

  13. Observational evidence of an intensifying hydrological cycle in northern Canada

    E-Print Network [OSTI]

    Dery, Stephen

    Observational evidence of an intensifying hydrological cycle in northern Canada Stephen J. De´ry,1 for 45 rivers spanning 5.2 ? 106 km2 of northern Canada are investigated. Discharge averages 1153 km3 yr of northern Canada, excluding some rivers with outlets to the Labrador Sea and eastern James Bay

  14. Annotated bibliography of the Black Warrior basin area, northern Alabama - northern Mississippi

    SciTech Connect (OSTI)

    Ward-McLemore, E.

    1983-01-01T23:59:59.000Z

    This bibliography contains 1964 records related to the geology of the Black Warrior basin of northern Alabama and northern Mississippi. Specific topics include, but are not limited to: coal, petroleum, and natural gas deposits; mineralogy; lithology; paleontology; petrology; stratigraphy; tectonics; bauxite; iron ores; geologic correlations; earthquakes; fossils; gold deposits; geological surveys; hydrology; and water resources. The subject index provides listings of records related to each county and the geologic ages covered by this area. Some of the items (54) are themselves bibliographies.

  15. PWR core design, neutronics evaluation and fuel cycle analysis for thorium-uranium breeding recycle

    SciTech Connect (OSTI)

    Bi, G.; Liu, C.; Si, S. [Shanghai Nuclear Engineering Research and Design Inst., No. 29, Hongcao Road, Shanghai, 200233 (China)

    2012-07-01T23:59:59.000Z

    This paper was focused on core design, neutronics evaluation and fuel cycle analysis for Thorium-Uranium Breeding Recycle in current PWRs, without any major change to the fuel lattice and the core internals, but substituting the UOX pellet with Thorium-based pellet. The fuel cycle analysis indicates that Thorium-Uranium Breeding Recycle is technically feasible in current PWRs. A 4-loop, 193-assembly PWR core utilizing 17 x 17 fuel assemblies (FAs) was taken as the model core. Two mixed cores were investigated respectively loaded with mixed reactor grade Plutonium-Thorium (PuThOX) FAs and mixed reactor grade {sup 233}U-Thorium (U{sub 3}ThOX) FAs on the basis of reference full Uranium oxide (UOX) equilibrium-cycle core. The UOX/PuThOX mixed core consists of 121 UOX FAs and 72 PuThOX FAs. The reactor grade {sup 233}U extracted from burnt PuThOX fuel was used to fabrication of U{sub 3}ThOX for starting Thorium-. Uranium breeding recycle. In UOX/U{sub 3}ThOX mixed core, the well designed U{sub 3}ThOX FAs with 1.94 w/o fissile uranium (mainly {sup 233}U) were located on the periphery of core as a blanket region. U{sub 3}ThOX FAs remained in-core for 6 cycles with the discharged burnup achieving 28 GWD/tHM. Compared with initially loading, the fissile material inventory in U{sub 3}ThOX fuel has increased by 7% via 1-year cooling after discharge. 157 UOX fuel assemblies were located in the inner of UOX/U{sub 3}ThOX mixed core refueling with 64 FAs at each cycle. The designed UOX/PuThOX and UOX/U{sub 3}ThOX mixed core satisfied related nuclear design criteria. The full core performance analyses have shown that mixed core with PuThOX loading has similar impacts as MOX on several neutronic characteristic parameters, such as reduced differential boron worth, higher critical boron concentration, more negative moderator temperature coefficient, reduced control rod worth, reduced shutdown margin, etc.; while mixed core with U{sub 3}ThOX loading on the periphery of core has no visible impacts on neutronic characteristics compared with reference full UOX core. The fuel cycle analysis has shown that {sup 233}U mono-recycling with U{sub 3}ThOX fuel could save 13% of natural uranium resource compared with UOX once through fuel cycle, slightly more than that of Plutonium single-recycling with MOX fuel. If {sup 233}U multi-recycling with U{sub 3}ThOX fuel is implemented, more natural uranium resource would be saved. (authors)

  16. Safety and licensing issues that are being addressed by the Power Burst Facility test programs. [PWR; BWR

    SciTech Connect (OSTI)

    McCardell, R.K.; MacDonald, P.E.

    1980-01-01T23:59:59.000Z

    This paper presents an overview of the results of the experimental program being conducted in the Power Burst Facility and the relationship of these results to certain safety and licensing issues. The safety issues that were addressed by the Power-Cooling-Mismatch, Reactivity Initiated Accident, and Loss of Coolant Accident tests, which comprised the original test program in the Power Burst Facility, are discussed. The resolution of these safety issues based on the results of the thirty-six tests performed to date, is presented. The future resolution of safety issues identified in the new Power Burst Facility test program which consists of tests which simulate BWR and PWR operational transients, anticipated transients without scram, and severe fuel damage accidents, is described.

  17. Development code for sensitivity and uncertainty analysis of input on the MCNPX for neutronic calculation in PWR core

    SciTech Connect (OSTI)

    Hartini, Entin, E-mail: entin@batan.go.id; Andiwijayakusuma, Dinan, E-mail: entin@batan.go.id [Center for Development of Nuclear Informatics - National Nuclear Energy Agency, PUSPIPTEK, Serpong, Tangerang, Banten (Indonesia)

    2014-09-30T23:59:59.000Z

    This research was carried out on the development of code for uncertainty analysis is based on a statistical approach for assessing the uncertainty input parameters. In the butn-up calculation of fuel, uncertainty analysis performed for input parameters fuel density, coolant density and fuel temperature. This calculation is performed during irradiation using Monte Carlo N-Particle Transport. The Uncertainty method based on the probabilities density function. Development code is made in python script to do coupling with MCNPX for criticality and burn-up calculations. Simulation is done by modeling the geometry of PWR terrace, with MCNPX on the power 54 MW with fuel type UO2 pellets. The calculation is done by using the data library continuous energy cross-sections ENDF / B-VI. MCNPX requires nuclear data in ACE format. Development of interfaces for obtaining nuclear data in the form of ACE format of ENDF through special process NJOY calculation to temperature changes in a certain range.

  18. The toughness of irradiated pressure water reactor (PWR) vessel shell rings and the effect of segregation zones

    SciTech Connect (OSTI)

    Bethmont, M.; Frund, J.M. [Electricite de France, Moret-sur-Loing (France); Housin, B. [Framatome, Paris La Defense (France). Materials and Technology Dept.; Soulat, P. [Commissariat a l`Energie Atomique, Gif-sur-Yvette (France)

    1996-12-31T23:59:59.000Z

    To establish the integrity of pressure water reactor (PWR) vessels it is necessary to determine the toughness of A508Cl.3 steel at the end of its life, that is after thermal aging and irradiation embrittlement. In safety analyses the toughness can be deduced from a reference curve set forth in the code (ASME or RCC-M). The validity of the reference curve has been verified for several years for unirradiated French reactor vessels. Tests were performed on specimens taken from materials having heterogeneities in chemical composition. For most of the test results the reference curve is a lower bound. To solve te problem of determining the toughness of SA 508 Cl.3 steel after irradiation and in the presence of possible heterogeneities, the toughness results were gathered. The synthesis shows that the RCC-M code curve is conservative.

  19. Ten year RPV inspections experiences in a PWR in Spain: Improvements in the inner-radius inspection techniques

    SciTech Connect (OSTI)

    Gonzalez, E.; Willke, A. [Tecnatom, S.A., Madrid (Spain)

    1994-12-31T23:59:59.000Z

    The in-service inspection of an RPV, performed in accordance with the scope and requirements of Section 11 of the ASME Code at the end of the ten year interval, is one of the most complicated ISI activities carried out. Special resources and tools are required for successful performance of this type of inspection: (1) preparation and planning; (2) mechanical scanner; (3) data acquisition and analysis system; and (4) ultrasonic techniques. This paper describes the most relevant issues relating to RPV inspection, along with the experience obtained during the inspection of the RPV of a 930 MW Spanish PWR plant in 1992. Special attention is paid to the improvements achieved with respect to inspection of the inner-radius areas of the primary nozzles.

  20. The Ceramics of Kichpanha, Northern Belize

    E-Print Network [OSTI]

    Reese, Kathryn Victoria

    1989-01-01T23:59:59.000Z

    :variety-mode study and a petrographic analysis of the ceramic assemblage from Kichpanha, a Maya settlement in Northern Belize, is herein presented. The objective of the type:variety-mode study is to provide a ceramic chronology for the site and a means of inter... identifiable sherds from the Preclassic complexes. The primary research focus of the petrographic analysis is to define quantifiable paste classification categories for the Preclassic. The paste classes and the type:variety-mode classes are compared...

  1. Northern California CO2 Reduction Project

    SciTech Connect (OSTI)

    Hymes, Edward

    2010-06-16T23:59:59.000Z

    C6 Resources LLC, a wholly owned subsidiary of Shell Oil Company, worked with the US Department of Energy (DOE) under a Cooperative Agreement to develop the Northern California CO2 Reduction Project. The objective of the Project is to demonstrate the viability of using Carbon Capture and Sequestration (CCS) to reduce existing greenhouse gas emissions from industrial sources on a large-scale. The Project will capture more than 700,000 metric tonnes of CO2 per year, which is currently being vented to the atmosphere from the Shell Martinez Refinery in Contra Costa County. The CO2 will be compressed and dehydrated at the refinery and then transported via pipeline to a sequestration site in a rural area in neighboring Solano County. The CO2 will be sequestered into a deep saline formation (more than two miles underground) and will be monitored to assure secure, long-term containment. The pipeline will be designed to carry as much as 1,400,000 metric tonnes of CO2 per year, so additional capacity will be available to accommodate CO2 captured from other industrial sources. The Project is expected to begin operation in 2015. The Project has two distinct phases. The overall objective of Phase 1 was to develop a fully definitive design basis for the Project. The Cooperative Agreement with the DOE provided cost sharing for Phase 1 and the opportunity to apply for additional DOE cost sharing for Phase 2, comprising the design, construction and operation of the Project. Phase 1 has been completed. DOE co-funding is provided by the American Recovery and Reinvestment Act (ARRA) of 2009. As prescribed by ARRA, the Project will stimulate the local economy by creating manufacturing, transportation, construction, operations, and management jobs while addressing the need to reduce greenhouse gas emissions at an accelerated pace. The Project, which will also assist in meeting the CO2 reduction requirements set forth in California?s Climate Change law, presents a major opportunity for both the environment as well as the region. C6 Resources is conducting the Project in collaboration with federally-funded research centers, such as Lawrence Berkeley National Lab and Lawrence Livermore National Lab. C6 Resources and Shell have identified CCS as one of the critical pathways toward a worldwide goal of providing cleaner energy. C6 Resources, in conjunction with the West Coast Regional Carbon Sequestration Partnership (WESTCARB), has conducted an extensive and ongoing public outreach and CCS education program for local, regional and state-wide stakeholders. As part of a long term relationship, C6 Resources will continue to engage directly with community leaders and residents to ensure public input and transparency. This topical report summarizes the technical work from Phase 1 of the Project in the following areas: ? Surface Facility Preliminary Engineering: summarizes the preliminary engineering work performed for CO2 capture, CO2 compression and dehydration at the refinery, and surface facilities at the sequestration site ? Pipeline Preliminary Engineering: summarizes the pipeline routing study and preliminary engineering design ? Geologic Sequestration: summarizes the work to characterize, model and evaluate the sequestration site ? Monitoring, Verification and Accounting (MVA): summarizes the MVA plan to assure long-term containment of the sequestered CO2

  2. Assessment of the peat resources of Florida, with a detailed survey of the northern everglades

    SciTech Connect (OSTI)

    Griffin, G.M.; Wieland, C.C.; Hood, L.Q.; Goode, R.W. III; Sawyer, R.K.; McNeill, D.F.

    1982-01-01T23:59:59.000Z

    Available data, including previous publications, modern soil surveys, and detailed coring in the Northern Everglades for this project have been used to update information on Florida's peat resources. It is now estimated that Florida could, if no other constraints existed, produce 606 million tons of moisture-free fuel-grade peat, which may yield approximately 10.0 x 10/sup 15/ Btu of energy. These estimates are much lower than previously published projections for the state. The principal effort of this survey was in the largest peat region of the state, the Northern Everglades of Palm Beach and adjacent counties, where more than 800 core holes were drilled. Based on analyses of these cores, the Northern Everglades is now estimated to contain 191 million tons of moisture-free peat, with a potential energy yield of 2.98 x 10/sup 15/ Btu. These values are considerably less than previously published estimates, probably due to bacterial oxidation and other forms of drainage-induced subsidence in the Everglades agricultural areas. The present fuel-peat resources of the Northern Everglades occur in 19 separate deposits. Of these, the deposits in the Port Mayaca, Bryant, Six Mile Bend, and Loxahatchee Quadrangles comprise the highest concentration of the resource. These lands are generally privately owned and used for sugar cane and other crops, and the conversion of these lands to peat removal seems unlikely. It seems even less likely that the extensive peat deposits within the Loxahatchee National Wildlife Refuge will be available for fuel use, barring a dire national emergency. The utilization of peat as a fuel must be approached with caution and careful study; large scale use may require state or federal action. 34 references.

  3. Multi-Recycling of Transuranic Elements in a Modified PWR Fuel Assembly

    E-Print Network [OSTI]

    Chambers, Alex

    2012-10-19T23:59:59.000Z

    The nuclear waste currently generated in the United States is stored in spent fuel pools and dry casks throughout the country awaiting a permanent disposal solution. One efficient solution would be to remove the actinides from the waste...

  4. Prediction of departure from nucleate boiling in PWR fast power transients

    E-Print Network [OSTI]

    Lenci, Giancarlo

    2013-01-01T23:59:59.000Z

    An assessment is conducted of the differences in predicted results between use of steady state versus transient Departure from Nucleate Boiling (DNB) models, for fast power transients under forced convective heat exchange ...

  5. GEOLOGY O F THE NORTHERN PCIRT O F DRY MOUNTAXN,

    E-Print Network [OSTI]

    Seamons, Kent E.

    GEOLOGY O F THE NORTHERN PCIRT O F DRY MOUNTAXN, SOUTHERN UASCSTCH H Q - W T A X H E i i - UT&H #12;BRIGHAM YOUNG UNIVERSITY RESEARCH STUDIES Geology Seri,es Vol. 3 No. 2 April, 1956 GEOLOGY OF THE NORTHERN Department of Gedogy Provo, Utah #12;GEOLOGY OF THE NORTHERN PART OF DRY MOUNTAIN, SOUTHERN WASATCH M O U N

  6. Chemical System Decontamination at PWR Power Stations Biblis A and B by Advanced System Decontamination by Oxidizing Chemistry (ASDOC-D) Process Technology - 13081

    SciTech Connect (OSTI)

    Loeb, Andreas; Runge, Hartmut; Stanke, Dieter [NIS Ingenieurgesellschaft mbH, Industriestrasse 13, 63755 Alzenau (Germany)] [NIS Ingenieurgesellschaft mbH, Industriestrasse 13, 63755 Alzenau (Germany); Bertholdt, Horst-Otto [NCT Consulting, Leonhardstrasse 16-18, 90443 Nuernberg (Germany)] [NCT Consulting, Leonhardstrasse 16-18, 90443 Nuernberg (Germany); Adams, Andreas; Impertro, Michael; Roesch, Josef [RWE Power, 68643 Biblis (Germany)] [RWE Power, 68643 Biblis (Germany)

    2013-07-01T23:59:59.000Z

    For chemical decontamination of PWR primary systems the so called ASDOC-D process has been developed and qualified at the German PWR power station Biblis. In comparison to other chemical decontamination processes ASDOC-D offers a number of advantages: - ASDOC-D does not require separate process equipment but is completely operated and controlled by the nuclear site installations. Feeding of chemical concentrates into the primary system is done by means of the site's dosing systems. Process control is performed by standard site instrumentation and analytics. - ASDOC-D safely prevents any formation and precipitation of insoluble constituents - Since ASDOC-D is operated without external equipment there is no need for installation of such equipment in high radioactive radiation surrounding. The radioactive exposure rate during process implementation and process performance may therefore be neglected in comparison to other chemical decontamination processes. - ASDOC-D does not require auxiliary hose connections which usually bear high leakage risk. The above mentioned technical advantages of ASDOC-D together with its cost-effectiveness gave rise to Biblis Power station to agree on testing ASDOC-D at the volume control system of PWR Biblis unit A. By involving the licensing authorities as well as expert examiners into this test ASDOC-D received the official qualification for primary system decontamination in German PWR. As a main outcome of the achieved results NIS received contracts for full primary system decontamination of both units Biblis A and B (each 1.200 MW) by end of 2012. (authors)

  7. Modeling-Computer Simulations At Northern Basin & Range Region...

    Open Energy Info (EERE)

    navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Modeling-Computer Simulations At Northern Basin & Range Region (Biasi, Et Al., 2009) Exploration...

  8. Modeling-Computer Simulations At Northern Basin & Range Region...

    Open Energy Info (EERE)

    Northern Basin and Range Geothermal Region Exploration Technique Modeling-Computer Simulations Activity Date Usefulness not indicated DOE-funding Unknown References J. W. Pritchett...

  9. First Northern New Mexico Tribal Business Scholarship winners

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    First Northern New Mexico Tribal Business Scholarship winners Community Connections: Your link to news and opportunities from Los Alamos National Laboratory Latest Issue: May 2015...

  10. Northern New Mexico College scholarship dinner September 29

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Northern New Mexico College Scholarship Dinner Community Connections: Your link to news and opportunities from Los Alamos National Laboratory Latest Issue: May 2015 All Issues ...

  11. Two Milling Stone Inventories from Northern San Diego County, California

    E-Print Network [OSTI]

    True, D. L; Beemer, Eleanor

    1982-01-01T23:59:59.000Z

    1982). Two Milling Stone Inventories from Northern San DiegoRincon 301. MILLING STONE INVENTORIES FROM SAN DIEGO COUNTYRincon 301. MILLING STONE INVENTORIES FROM SAN DIEGO COUNTY

  12. Commonwealth of Northern Mariana Islands Initial Technical Assessment

    SciTech Connect (OSTI)

    Baring-Gould, I.; Hunsberger, R.; Visser, C.; Voss, P.

    2011-07-01T23:59:59.000Z

    This document is an initial energy assessment for the Commonwealth of the Northern Mariana Islands (CNMI), the first of many steps in developing a comprehensive energy strategy.

  13. Northern Municipal Power Agency- Residential Energy Efficiency Rebate Program (Minnesota)

    Broader source: Energy.gov [DOE]

    Northern Municipal Power Agency, in association with the Minnkota Power Cooperative, Inc., offers a variety of rebates for the purchase of qualifying energy efficient equipment. Rebates are...

  14. area northern part: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    of Water Conservation Florida, University of 6 Structural core analysis from the Gullfaks area, northern North Sea J. Hesthammera,*, H. Fossenb Geosciences Websites Summary:...

  15. area northern brazil: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    northern Argentina, was one of the first academic institutions to start research in the area of solar energy applications in the country. In 1982, a Non Conventional Energy...

  16. arica northern chile: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    01012009 al 31122009) Pgina 2 de 75 12;UNIVERSIDAD Rapaport, Ivn 63 Re-evaluation of mid-Holocene deposits at Quebrada Puripica, northern Chile Geosciences Websites...

  17. asturias northern spain: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    as bait by local fishermen although its potential as a harvestable re 156 Northern rock sole (Lepidopsetta polyxystra) in the eastern Bering Sea Environmental Sciences and...

  18. area-3 northern palmyrides: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    as bait by local fishermen although its potential as a harvestable re 78 Northern rock sole (Lepidopsetta polyxystra) in the eastern Bering Sea Environmental Sciences and...

  19. almeida antofagasta northern: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    symptoms in Northern Russians CiteSeer Summary: Background: Milk is an important source of nutrients. The consumption of milk, however, may cause abdominal complaints in...

  20. area hokkaido northern: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Hilton 1250 Lakeside Dr. Sunnyvale, California Monday March Wu, Junqiao 30 Northern rock sole (Lepidopsetta polyxystra) in the eastern Bering Sea Environmental Sciences and...

  1. aqaba northern red: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    for a population of extremely red stellar objects extracted from the point-source catalogue of the INT Photometric H-Alpha Survey (IPHAS) of the northern galactic...

  2. antofagasta northern chile: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    01012009 al 31122009) Pgina 2 de 75 12;UNIVERSIDAD Rapaport, Ivn 70 Re-evaluation of mid-Holocene deposits at Quebrada Puripica, northern Chile Geosciences Websites...

  3. arlit region northern: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Chen, Jiquan 52 A systematic regional trend in helium isotopes across the northern basin and range province, Western North America University of California eScholarship...

  4. adriatic sea northern: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    20th century is one of the great conservation 58 Modeled connectivity between northern rock sole (Lepidopsetta polyxystra) spawning and nursery areas in the eastern Bering Sea...

  5. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Broader source: Energy.gov (indexed) [DOE]

    Border. Opinion of Counsel - 20140609.pdf More Documents & Publications Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Pamela...

  6. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Stephen Buzzell and Lelah Sullivan Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Stephen Buzzell and Lelah Sullivan Application from...

  7. Application for Presidential permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    and Requests for Intervention Received on the Amended Application Application for Presidential permit OE Docket No. PP-371 Northern Pass Transmission: Comments and Requests...

  8. Application for presidential permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    presidential permit OE Docket No. PP-371 Northern Pass Transmission LLC: Public Scoping Period Reopened: Federal Register Volume 73, No. 183 - Jun. 15, 2011 Application for...

  9. Application for presidential permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    LLC: Federal Register Notice Volume 75, No. 220 - Nov. 16, 2010 Application for presidential permit OE Docket No. PP-371 Northern Pass Transmission LLC: Federal Register Notice...

  10. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    City of Concord - James Kennedy Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from City of Concord - James Kennedy Application from...

  11. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Broader source: Energy.gov (indexed) [DOE]

    Application from Northern Pass to construct, operate and maintain electric transmission facilities at the U.S. - Canada Border. CLF-AMC-SPNHF Comments on Amended Application (Sept....

  12. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    National Park Service - Wendy Jannsen Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from National Park Service - Wendy Jannsen...

  13. Northern Municipal Power Agency- Commercial Energy Efficiency Rebate Program (Minnesota)

    Broader source: Energy.gov [DOE]

    Northern Municipal Power Agency, in collaboration with Minnkota Power Cooperative, Inc., offers rebates for non-residential customers to improve the energy efficiency of eligible facilities....

  14. Teleseismic-Seismic Monitoring At Northern Basin & Range Region...

    Open Energy Info (EERE)

    Location Northern Basin and Range Geothermal Region Exploration Technique Teleseismic-Seismic Monitoring Activity Date Usefulness useful regional reconnaissance DOE-funding...

  15. Teleseismic-Seismic Monitoring At Northern Basin & Range Region...

    Open Energy Info (EERE)

    navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Teleseismic-Seismic Monitoring At Northern Basin & Range Region (Biasi, Et Al., 2009) Exploration...

  16. Northern Virginia Residents Improve Their Homes' Energy With...

    Energy Savers [EERE]

    Homes' Energy With A Funding Boost The Northern Virginia Home Energy Makeover Contest logo. The Local Energy Alliance Program (LEAP) awarded energy efficiency funding to three...

  17. Clean Cities: Northern Colorado Clean Cities coalition

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office511041clothAdvanced Materials Advanced. C o w l i t z CPlasma0 12DenverNorthern Colorado Clean Cities

  18. Strengthening northern New Mexico's tribal economies

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over Our Instagram Secretary900SteepStrengthening northern New Mexico's tribal economies

  19. Northern Growers LLC | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCalifornia Solar EnergyNorthern

  20. Northern Lights, Inc (Montana) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCalifornia SolarNorthern Lights, Inc

  1. Northern Lights, Inc (Washington) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCalifornia SolarNorthern Lights,

  2. Northern Lights, Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCalifornia SolarNorthern

  3. Northern Wasco County PUD | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCaliforniaNorthern Rio

  4. Northern Excellence Seed LLC | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to: navigation, search Name: Northern

  5. Northern Plains Electric Coop | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to: navigation, searchNorthern Plains

  6. Northern Power Systems Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to: navigation, searchNorthern

  7. Northern Power Systems | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to: navigation, searchNorthernSystems

  8. Northern Virginia Elec Coop | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: EnergyExcellence Seed LLC Jump to:InformationNorthern

  9. http://agbioresearch.msu.edu/centers/nwmihort/nwmihort_northern_michigan_fruit_net http://agbioresearch.msu.edu/centers/nwmihort/nwmihort_northern_michigan_fruit_net

    E-Print Network [OSTI]

    1 http://agbioresearch.msu.edu/centers/nwmihort/nwmihort_northern_michigan_fruit_net #12;2 http://agbioresearch.msu.edu/centers/nwmihort/nwmihort_northern_michigan_fruit_net #12;3 http://agbioresearch.msu.edu/centers/nwmihort/nwmihort_northern_michigan_fruit_net #12;4 http://agbioresearch.msu.edu/centers/nwmihort/nwmihort_northern_michigan_fruit_net #12;5 http

  10. Provenance of Norphlet sandstone, northern Gulf Coast

    SciTech Connect (OSTI)

    Ryan, W.P.; Ward, W.C.; Kuglar, R.L.

    1987-09-01T23:59:59.000Z

    The Upper Jurassic Norphlet sandstone of the northern Gulf Coast is predominantly subarkose, with some arkose in the eastern area and sublitharenite and quartzarenite in the western area. Despite great depths of burial and despite feldspar and rock-fragment constituents, diagenesis has not appreciably altered the composition of Norphlet sandstone. Therefore, reconstruction of original composition of Norphlet sandstone presented little difficulty. Variation in detrital modes of the Norphlet suggests compositionally distinct source terranes. Samples from Florida, Alabama, and Mississippi reflect the influence of metamorphic and plutonic rocks of the Appalachian Piedmont Province and of Triassic-Jurassic volcanic rocks. Sandstones in east Texas, northern Louisiana, and southern Arkansas were derived from sedimentary and metasedimentary rocks of the Ouachita system. The Arbuckle Mountains and Llano uplift may have supplied trace amounts of quartzo-feldspathic and volcanic-rock fragments to the extreme western part of the study area. Norphlet sandstones represent a mixture of collision-orogen-derived sediment from the Appalachian and/or Ouachita system and continental-block-derived sediment from paleohighs and uplifts within the Gulf basin. However, Norphlet sandstones plot in the craton-interior and transitional-continental fields on Q-F-L and QM-F-Lt tectonic-provenance diagrams, because of mineralogically mature source rocks, elimination of unstable grains by abrasion and sorting during deposition, and/or sediment mixing from different source terranes.

  11. Petrogenesis of the Linxi granitoids, northern Inner Mongolia of China: Constraints on basaltic underplating

    E-Print Network [OSTI]

    Siebel, Wolfgang

    Petrogenesis of the Linxi granitoids, northern Inner Mongolia of China: Constraints on basaltic in the Linxi area, northern Inner Mongolia of China, divided into two suites, are mainly granodiorite growth; Granitoid petrogenesis; Northern Inner Mongolia 1. Introduction Phanerozoic granitoids

  12. Northern winter climate change: Assessment of uncertainty in CMIP5 projections related

    E-Print Network [OSTI]

    Gerber, Edwin

    Northern winter climate change: Assessment of uncertainty in CMIP5 projections related circulation could have an important impact on northern winter tropospheric climate change, given that sea coherent variations in troposphere-stratosphere circulation. Here we assess northern winter stratospheric

  13. Level 1 probabilistic risk assessment of low power and shutdown operations at a PWR: Phase 2 results

    SciTech Connect (OSTI)

    Chu, T.L.; Bozoki, G.; Kohut, P.; Musicki, Z.; Wong, S.M.; Yang, J.; Hsu, C.J.; Diamond, D.J.; Su, R.F. (Brookhaven National Lab., Upton, NY (United States)); Holmes, B. (AEA Technology, London (United Kingdom)); Siu, N. (Massachusetts Inst. of Tech., Cambridge, MA (United States)); Bley, D.; Lin, J. (Pickard, Lowe and Garrick, Inc., Newport Beach, CA (United States))

    1992-01-01T23:59:59.000Z

    As a result of the Chernobyl accident and other precursor events (e.g., Diablo Canyon), the US Nuclear Regulatory Commission's (NRC's) Office of Nuclear Regulatory Research (RES) initiated an extensive project during 1989 to carefully examine the potential risks during Low Power and Shutdown (LP S) operations. Shortly after the program began, an event occurred at the Vogtle plant during shutdown, which further intensified the effort of the LP S program. In the LP S program, one pressurized water reactor (PWR), Surry, and one boiling water reactor (BWR), Grand Gulf, were selected, mainly because they were previously analyzed in the NUREG-1150 Study. The Level-1 Program is being performed in two phases. Phase 1 was dedicated to performing a coarse screening level-1 analysis including internal fire and flood. A draft report was completed in November, 1991. In the phase 2 study, mid-loop operations at the Surry plant were analyzed in detail. The objective of this paper is to present the approach of the phase 2 study and the preliminary results and insights.

  14. Level 1 probabilistic risk assessment of low power and shutdown operations at a PWR: Phase 2 results

    SciTech Connect (OSTI)

    Chu, T.L.; Bozoki, G.; Kohut, P.; Musicki, Z.; Wong, S.M.; Yang, J.; Hsu, C.J.; Diamond, D.J.; Su, R.F. [Brookhaven National Lab., Upton, NY (United States); Holmes, B. [AEA Technology, London (United Kingdom); Siu, N. [Massachusetts Inst. of Tech., Cambridge, MA (United States); Bley, D.; Lin, J. [Pickard, Lowe and Garrick, Inc., Newport Beach, CA (United States)

    1992-12-31T23:59:59.000Z

    As a result of the Chernobyl accident and other precursor events (e.g., Diablo Canyon), the US Nuclear Regulatory Commission`s (NRC`s) Office of Nuclear Regulatory Research (RES) initiated an extensive project during 1989 to carefully examine the potential risks during Low Power and Shutdown (LP&S) operations. Shortly after the program began, an event occurred at the Vogtle plant during shutdown, which further intensified the effort of the LP&S program. In the LP&S program, one pressurized water reactor (PWR), Surry, and one boiling water reactor (BWR), Grand Gulf, were selected, mainly because they were previously analyzed in the NUREG-1150 Study. The Level-1 Program is being performed in two phases. Phase 1 was dedicated to performing a coarse screening level-1 analysis including internal fire and flood. A draft report was completed in November, 1991. In the phase 2 study, mid-loop operations at the Surry plant were analyzed in detail. The objective of this paper is to present the approach of the phase 2 study and the preliminary results and insights.

  15. Sustaining mobile pastoralists in the mountains of northern Pakistan

    E-Print Network [OSTI]

    Richner, Heinz

    Sustaining mobile pastoralists in the mountains of northern Pakistan Mobile pastoralism According-West Frontier Province), in northern Pakistan. But the provision of these goods and services is at risk payments for ecosystem services. Case studies featured here were conducted in: Pakistan, Tanzania

  16. University of Northern British Columbia Posting #12-096DR

    E-Print Network [OSTI]

    Northern British Columbia, University of

    of studies, from arts and sciences to forestry, nursing, management and medicine. UNBC prides itself home to the Northern British Columbia Archives, which is devoted to the preservation of Northern the library and its dedicated professional staff to meet the challenges of information and knowledge

  17. UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies and Procedures

    E-Print Network [OSTI]

    Bolch, Tobias

    UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies and Procedures Library/Archives Senate S-201012 of materials and formats acquired by the University's Northern BC Archives and Special Collections (the of the university community as well as the research needs of the public in general. 2. Scope This Acquisitions

  18. UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies and Procedures

    E-Print Network [OSTI]

    Bolch, Tobias

    UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies and Procedures Green University Centre President Idle Free 1. Purpose The University of Northern British Columbia is committed to the principles of sustainability, as reflected in its goal of living Canada's Green UniversityTM. One key goal of the Green

  19. Holocene Treeline History and Climate Change Across Northern Eurasia

    E-Print Network [OSTI]

    Edwards, Thomas W.D.

    . Key Words: treeline; climate change; Holocene; arctic; Russia; Siberia; macrofossils. INTRODUCTIONHolocene Treeline History and Climate Change Across Northern Eurasia Glen M. MacDonald Departments The establishment of forests in northern Eurasia contributed to Holocene warming and climate change by lowering high

  20. www.ni-environment.gov.uk Agency Northern Ireland

    E-Print Network [OSTI]

    www.ni-environment.gov.uk Agency Northern Ireland Environment Summary of Radioactivity in Food and the Environment 2004-2008 #12;#12;ENVIRONMENT AGENCY FOOD STANDARDS AGENCY NORTHERN IRELAND ENVIRONMENT AGENCY SCOTTISH ENVIRONMENT PROTECTION AGENCY Summary of Radioactivity in Food and the Environment 2004-2008 April

  1. MMS 95-0021 Northern Gulf of Mexico

    E-Print Network [OSTI]

    Mathis, Wayne N.

    OCS Study MMS 95-0021 Northern Gulf of Mexico Chemosynthetic Ecosystems Study Final Report Volume I Minerals Management Service Gulf of Mexico OCS Region #12;OCS Study MMS 95-0021 Northern Gulf of Mexico.S . Department of the Interior Minerals Management Service New Orleans Gulf of Mexico OCS Region May 1996 #12

  2. MMS 95-0023 Northern Gulf of Mexico

    E-Print Network [OSTI]

    Mathis, Wayne N.

    OCS Study MMS 95-0023 Northern Gulf of Mexico Chemosynthetic Ecosystems Study Final Report Volume Minerals Management Service bw Gulf of Mexico OCS Region #12;OCS Study MMS 95-0023 Northern Gulf of Mexico.S . Department of the Interior Minerals Management Service New Orleans Gulf of Mexico OCS Region May 1996 #12

  3. MMS 95-0022 Northern Gulf of Mexico

    E-Print Network [OSTI]

    Mathis, Wayne N.

    OCS Study MMS 95-0022 Northern Gulf of Mexico Chemosynthetic Ecosystems Study Final Report Volume.S. Department of the Interior Minerals Management Service Gulf of Mexico OCS Region #12;OCS Study MMS 95-0022 Northern Gulf of Mexico Chemosynthetic Ecosystems Study Final Report Volume II : Technical Report Editors

  4. Variable community responses to herbivory in fire-altered landscapes of northern Patagonia, Argentina

    E-Print Network [OSTI]

    Veblen, Thomas T.

    Variable community responses to herbivory in fire-altered landscapes of northern Patagonia 2003, accepted 6 April 2005 Landscapes in northern Patagonia have undergone dramatic changes in fire

  5. Northern JHK Standard Stars for Array Detectors

    E-Print Network [OSTI]

    L. K. Hunt; F. Mannucci; L. Testi; S. Migliorini; R. M. Stanga; C. Baffa; F. Lisi; L. Vanzi

    1999-10-22T23:59:59.000Z

    We report J, H and K photometry of 86 stars in 40 fields in the northern hemisphere. The fields are smaller than or comparable to a 4x4 arcmin field-of-view, and are roughly uniformly distributed over the sky, making them suitable for a homogeneous broadband calibration network for near-infrared panoramic detectors. K magnitudes range from 8.5 to 14, and J-K colors from -0.1 to 1.2. The photometry is derived from a total of 3899 reduced images; each star has been measured, on average, 26.0 times per filter on 5.5 nights. Typical errors on the photometry are about 0.012.

  6. Breeding biology and habitat associations of the Altamira Oriole and Northern Beardless-Tyrannulet in the Lower Rio Grande Valley, Texas

    E-Print Network [OSTI]

    Werner, Scott Michael

    2004-11-15T23:59:59.000Z

    and effect conservation measures for individual populations (Pashley et al. 2000, Rich et al. 2004). Tropical avifaunas are incredibly diverse but have been little-studied relative to birds in the United States. The conservation of these species requires... into the United States, but whose long-term population status in the United States is uncertain, are the Altamira Oriole (Icterus gularis) and the Northern Beardless-Tyrannulet (Camptostoma imberbe). Little is known about these birds, but much of their former...

  7. Northern Cheyenne Reservation Coal Bed Natural Resource Assessment and Analysis of Produced Water Disposal Options

    SciTech Connect (OSTI)

    Shaochang Wo; David A. Lopez; Jason Whiteman Sr.; Bruce A. Reynolds

    2004-07-01T23:59:59.000Z

    Coalbed methane (CBM) development in the Powder River Basin (PRB) is currently one of the most active gas plays in the United States. Monthly production in 2002 reached about 26 BCF in the Wyoming portion of the basin. Coalbed methane reserves for the Wyoming portion of the basin are approximately 25 trillion cubic feet (TCF). Although coal beds in the Powder River Basin extend well into Montana, including the area of the Northern Cheyenne Indian Reservation, the only CBM development in Montana is the CX Field, operated by the Fidelity Exploration, near the Wyoming border. The Northern Cheyenne Reservation is located on the northwest flank of the PRB in Montana with a total land of 445,000 acres. The Reservation consists of five districts, Lame Deer, Busby, Ashland, Birney, and Muddy Cluster and has a population of 4,470 according to the 2000 Census. The CBM resource represents a significant potential asset to the Northern Cheyenne Indian Tribe. Methane gas in coal beds is trapped by hydrodynamic pressure. Because the production of CBM involves the dewatering of coalbed to allow the release of methane gas from the coal matrix, the relatively large volume of the co-produced water and its potential environmental impacts are the primary concerns for the Tribe. Presented in this report is a study conducted by the Idaho National Engineering and Environmental Laboratory (INEEL) and the Montana Bureau of Mines and Geology (MBMG) in partnership with the Northern Cheyenne Tribe to assess the Tribes CBM resources and evaluate applicable water handling options. The project was supported by the U.S. Department of Energy (DOE) through the Native American Initiative of the National Petroleum Technology Office, under contract DEAC07- 99ID13727. Matching funds were granted by the MBMG in supporting the work of geologic study and mapping conducted at MBMG.

  8. Origin State Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    5. Estimated rail transportation rates for coal, state to state, STB data Origin State Destination State 2001 2002 2003 2004 2005 2006 2007 2008 2009 2001-2009 2008-2009 Alabama...

  9. Origin State Destination State

    Gasoline and Diesel Fuel Update (EIA)

    6. Estimated rail transportation rates for coal, state to state, STB data Origin State Destination State 2001 2002 2003 2004 2005 2006 2007 2008 2009 2001-2009 2008-2009 Alabama...

  10. Structure/piping sensitivity studies for the US NRC Seismic Safety Margins Research Program. [PWR; BWR

    SciTech Connect (OSTI)

    Shieh, L.C.; O'Connell, W.J.; Johnson, J.J.

    1983-01-01T23:59:59.000Z

    The Seismic Safety Margins Research Program (SSMRP) is a NRC-funded, multi-year program conducted by Lawrence Livermore National Laboratory (LLNL). One of the goals of the program is to develop a complete, fully coupled analysis procedure (including methods and computer codes) for estimating the risk of an earthquake-caused radioactive release from commercial nuclear power plant. The analysis procedure is based upon a state-of-the-art evaluation of the current seismic analysis design process and explicitly includes the uncertainties inherent in such a process. The results will be used to improve seismic licensing requirements for nuclear power plants. In Phase I, a probabilistic computational procedure was developed for the seismic safety assessment. In Phase II, sensitivity studies were performed, codes and models were improved, and analysis of the Zion plant was completed.

  11. Reactivity loss validation of high burn-up PWR fuels with pile-oscillation experiments in MINERVE

    SciTech Connect (OSTI)

    Leconte, P.; Vaglio-Gaudard, C.; Eschbach, R.; Di-Salvo, J.; Antony, M.; Pepino, A. [CEA, DEN, DER, Cadarache, F-13108 Saint-Paul-Lez-Durance (France)

    2012-07-01T23:59:59.000Z

    The ALIX experimental program relies on the experimental validation of the spent fuel inventory, by chemical analysis of samples irradiated in a PWR between 5 and 7 cycles, and also on the experimental validation of the spent fuel reactivity loss with bum-up, obtained by pile-oscillation measurements in the MINERVE reactor. These latter experiments provide an overall validation of both the fuel inventory and of the nuclear data responsible for the reactivity loss. This program offers also unique experimental data for fuels with a burn-up reaching 85 GWd/t, as spent fuels in French PWRs never exceeds 70 GWd/t up to now. The analysis of these experiments is done in two steps with the APOLLO2/SHEM-MOC/CEA2005v4 package. In the first one, the fuel inventory of each sample is obtained by assembly calculations. The calculation route consists in the self-shielding of cross sections on the 281 energy group SHEM mesh, followed by the flux calculation by the Method Of Characteristics in a 2D-exact heterogeneous geometry of the assembly, and finally a depletion calculation by an iterative resolution of the Bateman equations. In the second step, the fuel inventory is used in the analysis of pile-oscillation experiments in which the reactivity of the ALIX spent fuel samples is compared to the reactivity of fresh fuel samples. The comparison between Experiment and Calculation shows satisfactory results with the JEFF3.1.1 library which predicts the reactivity loss within 2% for burn-up of {approx}75 GWd/t and within 4% for burn-up of {approx}85 GWd/t. (authors)

  12. PSNH's Northern Wood power project repowers coal-fired plant with new fluidized-bed combustor

    SciTech Connect (OSTI)

    Peltier, R.

    2007-08-15T23:59:59.000Z

    The Northern Wood Power project permanently replaced a 50-MW coal-burning boiler (Unit 5) at Public Service of New Hampshire's Schiller station with a state-of-the-art circulating fluidized bed wood-burning boiler of the same capacity. The project, completed in December 2006, reduced emissions and expanded the local market for low-grade wood. For planning and executing the multiyear, $75 million project at no cost to its ratepayers, PSNH wins Power's 2007 Marmaduke Award for excellence in O & M. The award is named for Marmaduke Surfaceblow, the fictional marine engineer/plant troubleshoot par excellence. 7 figs., 1 tab.

  13. Evaluation of the thermal-hydraulic response and fuel rod thermal and mechanical deformation behavior during the power burst facility test LOC-3. [PWR

    SciTech Connect (OSTI)

    Yackle, T.R.; MacDonald, P.E.; Broughton, J.M.

    1980-01-01T23:59:59.000Z

    An evaluation of the results from the LOC-3 nuclear blowdown test conducted in the Power Burst Facility is presented. The test objective was to examine fuel and cladding behavior during a postulated cold leg break accident in a pressurized water reactor (PWR). Separate effects of rod internal pressure and the degree of irradiation were investigated in the four-rod test. Extensive cladding deformation (ballooning) and failure occurred during blowdown. The deformation of the low and high pressure rods was similar; however, the previously irradiated test rod deformed to a greater extent than a similar fresh rod exposed to identical system conditions.

  14. The effects of mechanically reducing northern pike density on the sport fish community of West Long

    E-Print Network [OSTI]

    of northern pike in this small lake. K E Y W O R D S : bluegill, fish removal, largemouth bass, northern pikeThe effects of mechanically reducing northern pike density on the sport fish community of West Long of the remaining fish community. A total of 572 northern pike, Esox lucius L., was removed from 25-ha West Long

  15. Status of verification and validation of AREVA's ARCADIA{sup R} code system for PWR applications

    SciTech Connect (OSTI)

    Porsch, D. [AREVA, AREVA NP GmbH (Germany); P.O.Box 1109, 91001 Erlangen (Germany); Leberig, M.; Kuch, S. [AREVA, AREVA NP GmbH (Germany); Magat, P. [AREVA, AREVA NP SAS, Paris (France); Segard, K. [AREVA, AREVA NP Inc., Lynchburg (United States)

    2012-07-01T23:59:59.000Z

    In March 2010 the submittal of Topical Reports for ARCADIA{sup R} and COBRA-FLX, the thermal-hydraulic module of ARCADIA{sup R}, to the U.S. Nuclear Regulatory Commission (NRC) concluded a major step in the development of AREVA's new code system for core design and safety analyses. This submittal was dedicated to the application of the code system to uranium fuel in pressurized water reactors. The submitted information comprised results for plants operated in the US (France)) and Germany and provided uncertainties for in-core measuring systems with traveling in-core detectors and for the aero-ball system of the EPR. A reduction of the uncertainties in the prediction of F{sub AH} and F{sub Q} of > 1 % (absolute) was derived compared to the current code systems. This paper extents the verification and validation base for uranium based fuel and demonstrates the basic capabilities of ARCADIA{sup R} of describing MOX. The achieved status of verification and validation is described in detail. All applications followed the same standard without any specific calibration. The paper gives also insight in the new capability of 3D full core steady-state and transient pin-by-pin/sub-channel-by-sub-channel calculations and the opportunities offered by this feature. The gain of margins with increasing detail of the representation is outlined. Currently, the strategies for worldwide implementation of ARCADIA{sup R} are developed. (authors)

  16. Northern New Mexico Students Gear Up For Second Annual Robowave...

    National Nuclear Security Administration (NNSA)

    a practice day for the upcoming 13th annual Robowave International, New Mexico's largest K-16 robotics competition, being held April 30th to May 2nd. The Robowave Rally Northern...

  17. Economic development in Northern New Mexico focus of new podcast...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    in NNM focus of new podcast from Los Alamos Lab Economic development in Northern New Mexico focus of new podcast from Los Alamos National Laboratory Podcast part of Lab's new...

  18. NV Energy (Northern Nevada)- SolarGenerations Solar Heating

    Broader source: Energy.gov [DOE]

    As of March 2014, NV Energy residential electric customers in northern Nevada who own their homes are eligible for a rebate of 50% of the installed cost of the system up to $2,250. Additionally,...

  19. Shear measurements across the northern margin of Whillans Ice Stream

    E-Print Network [OSTI]

    Van Der Veen, C.J.; Jezek, K.; Stearns, Leigh

    2007-01-01T23:59:59.000Z

    Field measurements of surface deformation across the northern shear margin of Whillans Ice Stream, West Antarctica, were analyzed to better understand the processes controlling the position and migration of this margin. Four lines of poles extending...

  20. SCANNING TOUR SUMMARY REPORT PRICING EXPERIENCE IN NORTHERN EUROPE

    E-Print Network [OSTI]

    Minnesota, University of

    #12;SCANNING TOUR SUMMARY REPORT PRICING EXPERIENCE IN NORTHERN EUROPE: LESSONS LEARNED...........................................................................................1 2. PURPOSE OF SCANNING TOUR..........................................................................................................................30 PARTICIPANTS IN SCANNING TOUR SCANNING TOUR HOSTS #12;Scanning Tour Summary Report 1 October 20

  1. Abraham Hot Springs Geothermal Area Northern Basin and Range...

    Open Energy Info (EERE)

    Brophy br Model br Moeck br Beardsmore br Type br Volume br Geothermal br Region Mean br Reservoir br Temp br Mean br Capacity Abraham Hot Springs Geothermal Area Northern Basin...

  2. Range of Glaciers: The Exploration of the Northern Cascade Range

    E-Print Network [OSTI]

    Hook, Robert D.

    2006-01-01T23:59:59.000Z

    Review: Range of Glaciers: The Exploration of the NorthernUSA Fred Beckey. Range of Glaciers: The Exploration of thewill find that Range of Glaciers is a must read. The book

  3. Energy conservation and thermal comfort in buildings in northern Pakistan

    E-Print Network [OSTI]

    Sullivan, Gregory Patrick

    1995-01-01T23:59:59.000Z

    The Hunza Valley, a remote area of mountainous northern Pakistan, is undergoing rapid change culturally, socially, and architecturally. Many of these changes are linked to the exchange of information and commerce facilitated ...

  4. Regional Gravity Survey of the Northern Great Salt Lake Desert...

    Open Energy Info (EERE)

    Northern Great Salt Lake Desert and Adjacent Areas in Utah, Nevada, and Idaho Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Regional Gravity...

  5. New constraints on Northern Hemisphere growing season net flux

    E-Print Network [OSTI]

    2007-01-01T23:59:59.000Z

    AL. : LARGER NORTH HEMISPHERE NET ECOSYSTEM EXCHANGE L12807AL. : LARGER NORTH HEMISPHERE NET ECOSYSTEM EXCHANGE Levin,Northern Hemisphere growing season net flux Z. Yang, 1 R. A.

  6. Application for presidential permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    LLC Application for presidential permit OE Docket No. PP-371 Northern Pass Transmission LLC Pursuant to Executive Order (EO) No. 10485, as amended by EO 12038, and 10 C.F.R. ...

  7. alborz mountains northern: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    deformation Geosciences Websites Summary: of collisional deformation in northern Iran Bernard Guest,1,2 Brian K. Horton,1,3 Gary J. Axen,1,4 Jamshid Alborz Mountains record...

  8. Northern Plains EC- Residential and Commercial Energy Efficiency Loan Program

    Broader source: Energy.gov [DOE]

    Northern Plains Electric Cooperative is a member-owned electric cooperative that serves customers in east-central North Dakota. This EMC offers a low-interest loan program residential and...

  9. Structural engineering for northern Pakistan : indigenous architecture and earthquake resistance

    E-Print Network [OSTI]

    Su, Jimmy Chi-yi

    1995-01-01T23:59:59.000Z

    In the Fall of 1993, a joint project began between architectural designers and engineers, for the design of houses in Karimabad, located in the Northern Areas of Pakistan. This thesis records the author's involvement as ...

  10. Images of justice in Northern Italy, 1250-1400

    E-Print Network [OSTI]

    Sandford-Couch, Clare; Couch, Clare Sandford

    2014-06-27T23:59:59.000Z

    This thesis considers some of the ways in which images of justice were used to express and in some cases promote certain aims and aspirations of those who commissioned them, in northern Italy between c.1250-1400, and ...

  11. United States Department of

    E-Print Network [OSTI]

    for the endangered Cheat Mountain salamander and the recently delisted Virginia northern flying squirrel. Therefore

  12. Provenance and diagenesis of the Ivishak Sandstone, northern Alaska

    E-Print Network [OSTI]

    Burch, Gary Kenneth

    1984-01-01T23:59:59.000Z

    PROVENANCE AND DIAGENESIS OF THE IVISHAK SANDSTONE, NORTHERN ALASKA A Thesis by GARY KENNETH BURCH Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for tbe degree of MASTER OF SCIENCE... August 1984 Major Subject: Geology PROVENANCE AND DIAGENESIS OF THE IVISHAK SANDSTONE, NORTHERN ALASKA A Thesis by GARY KENNETH BURGH Approved as to style and content by: Jam . Mazzullo (Chairman of Committee) Robert R. Berg (Member) Robert C...

  13. Tectonic synthesis of the northern Arabian platform

    SciTech Connect (OSTI)

    Everett, J.R.; Russell, O.R.; Stasxkowski, R.J.; Loyd, S.P.; Tabbutt, V.M. (Earth Satellite Corp., Chevy Chase, MD (USA)); Dolan, P.; Stein, A. (Dolan and Associates, Richmond (England)); Scott, J. (Petroleum Geological Analysis, Ltd., Reading (England))

    1990-05-01T23:59:59.000Z

    The creation and destruction of Tethys oceans from the early Mesozoic to the present has created a complex suture zone along the Zagros/Bitlus trend. The fundamental interactions are between the Arabian and Euasian plates, but several microplates trapped between the major plates further complicate the tectonic fabric of the region. On the west, the Arabian plate slides past the African plate and the Sinai microplate along the Levant fault. The Palmyrides are related to a bend in this plate boundary and are not an offset extension of the Syrian arc. As Arabia penetrates Eurasia the Anatolian block is escaping to the west along the northern (right-lateral) and eastern (left-lateral) faults. Convergence of the Eurasian and Arabian plates resulted in ophiolite abduction (Late Cretaceous), followed by continent-continent collision (Miocene to present). The zone of collision is marked by the Bitlis-Zagrosa suture. Structural features associated with the collision include overthrusting, impactogens, and complexly folded and faulted mountain systems. Intensity and complexity of structuring decreases southward into open long-wavelength folds on the Arabian Platform. The fortuitous combination of rich source rocks, abundant reservoir rocks with primary and fracture porosity, and numerous trapping structures make this an extraordinary prolific hydrocarbon province. A structural and lithologic interpretation of 53 contiguous Landsat Multispectral Scanner scenes covering all of Syria, Iraq, and Kuwait, and portions of Turkey, Iran, Jordan, Lebanon, and Saudi Arabia has provided insights into the tectonic history of this area and its hydrocarbon accumulation.

  14. IBM United States Withdrawal Announcement 908-175, dated August 05, 2008

    E-Print Network [OSTI]

    M LC/LC FIBER CABLE 2053 All 5601 PWR CORD, 250V 2.5A, ARGEN 2053 All 9231 PWR CORD, 250V 2.5A, AUSTR 2053 All 9232 PWR CORD, 250V 2.5A, EU 2053 All 9233 PWR CORD, 125V 3A, US 2053 All 9234 PWR CORD, 250V 2.5A, UK 2053 All 9235 PWR CORD, 250V 2.5A, KOREA 2053 All 9236 Machine type 2054 8-PORT IP

  15. Research, Education and Outreach in the Division of Agriculture, Forestry and Veterinary Medicine Mississippi State University

    E-Print Network [OSTI]

    Ray, David

    the Cover Eric Dibble, background, and University of Georgia graduate student Jennifer Linehan use a seine the furni- ture factories in the northern areas of the state to the fertile fields of the Delta

  16. Please cite this article in press as: Malen, J.A., et al., Thermal hydraulic design of a hydride-fueled inverted PWR core. Nucl. Eng. Des. (2009), doi:10.1016/j.nucengdes.2009.02.026

    E-Print Network [OSTI]

    Malen, Jonathan A.

    2009-01-01T23:59:59.000Z

    Please cite this article in press as: Malen, J.A., et al., Thermal hydraulic design of a hydride hydraulic design of a hydride-fueled inverted PWR core J.A. Malena, , N.E. Todreasb , P. Hejzlarb , P and its thermal hydraulic performance is compared to that of a standard rod bundle core design also fueled

  17. 1993 Northern goshawk inventory on portions of Los Alamos National Laboratory, Los Alamos, NM. Final report

    SciTech Connect (OSTI)

    Sinton, D.T.; Kennedy, P.L. [Colorado State Univ., Fort Collins, CO (United States). Dept. of Fishery and Wildlife Biology

    1994-06-01T23:59:59.000Z

    Northern goshawks (Accipiter gentilis) (hereafter referred to as goshawk) is a large forest dwelling hawk. Goshawks may be declining in population and reproduction in the southwestern United States. Reasons for the possible decline in goshawk populations include timber harvesting resulting in the loss of nesting habitat, toxic chemicals, and the effects of drought, fire, and disease. Thus, there is a need to determine their population status and assess impacts of management activities in potential goshawk habitat. Inventory for the goshawk was conducted on 2,254 ha of Los Alamos National Laboratory (LANL) to determine the presence of nesting goshawks on LANL lands. This information can be incorporated into LANL`s environmental management program. The inventory was conducted by Colorado State University personnel from May 12 to July 30, 1993. This report summarizes the results of this inventory.

  18. A Critical Review of Practice of Equating the Reactivity of Spent Fuel to Fresh Fuel in Burnup Credit Criticality Safety Analyses for PWR Spent Fuel Pool Storage

    SciTech Connect (OSTI)

    Wagner, J.C.; Parks, C.V.

    2000-09-01T23:59:59.000Z

    This research examines the practice of equating the reactivity of spent fuel to that of fresh fuel for the purpose of performing burnup credit criticality safety analyses for PWR spent fuel pool (SFP) storage conditions. The investigation consists of comparing k{sub inf} estimates based on reactivity equivalent fresh fuel enrichment (REFFE) to k{sub inf} estimates using the actual spent fuel isotopics. Analyses of selected storage configurations common in PWR SFPs show that this practice yields nonconservative results (on the order of a few tenths of a percent) in configurations in which the spent fuel is adjacent to higher-reactivity assemblies (e.g., fresh or lower-burned assemblies) and yields conservative results in configurations in which spent fuel is adjacent to lower-reactivity assemblies (e.g., higher-burned fuel or empty cells). When the REFFE is determined based on unborated water moderation, analyses for storage conditions with soluble boron present reveal significant nonconservative results associated with the use of the REFFE. This observation is considered to be important, especially considering the recent allowance of credit for soluble boron up to 5% in reactivity. Finally, it is shown that the practice of equating the reactivity of spent fuel to fresh fuel is acceptable, provided the conditions for which the REFFE was determined remain unchanged. Determination of the REFFE for a reference configuration and subsequent use of the REFFE for different configurations violates the basis used for the determination of the REFFE and, thus, may lead to inaccurate, and possibly, nonconservative estimates of reactivity. A significant concentration ({approximately}2000 ppm) of soluble boron is typically (but not necessarily required to be) present in PWR SFPs, of which only a portion ({le} 500 ppm) may be credited in safety analyses. Thus, a large subcritical margin currently exists that more than accounts for errors or uncertainties associated with the use of the REFFE. Consequently, the findings presented here do not represent a significant safety concern unless/until the subcritical margin associated with the soluble boron (that is not currently explicitly credited) is offset by the uncertainties associated with burnup credit and/or the expanded allowance of credit for the soluble boron.

  19. Comparison of Trace Metal Deposition in northern and central ArizonaKen G. Sweat1, Thomas H. Nash III1, Panjai Prapaipong2, Paul T. Gremillion3 1 Arizona State University School of Life Sciences, P.O. Box 874601, Tempe, Az 85287

    E-Print Network [OSTI]

    Hall, Sharon J.

    .O. Box 874601, Tempe, Az 85287 2 Arizona State University School of Earth and Space Exploration, PO Box the region to explore temporal trends, with an emphasis on decreases in Pb and Cu from the phase out), Terbium (Tb), Thallium (Tl) Thorium (Th), Thulium (Tm), Tin (Sn), Titanium (Ti), Tungsten (W), Uranium (U

  20. Northern Arizona University Wind Projects | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: Energy ResourcesGranby,Plains,Northampton,St.Northern ArizonaNorthern

  1. Northern Colorado Clean Energy Cluster | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: Energy ResourcesGranby,Plains,Northampton,St.NorthernNorthern

  2. PWR FLECHT SEASET 21-rod bundle flow blockage task data and analysis report. NRC/EPRI/Westinghouse Report No. 11. Appendices K-P

    SciTech Connect (OSTI)

    Loftus, M.J.; Hochreiter, L.E.; Lee, N.; McGuire, M.F.; Wenzel, A.H.; Valkovic, M.M.

    1982-09-01T23:59:59.000Z

    This report presents data and limited analysis from the 21-Rod Bundle Flow Blockage Task of the Full-Length Emergency Cooling Heat Transfer Separate Effects and Systems Effects Test Program (FLECHT SEASET). The tests consisted of forced and gravity reflooding tests utilizing electrical heater rods with a cosine axial power profile to simulate PWR nuclear core fuel rod arrays. Steam cooling and hydraulic characteristics tests were also conducted. These tests were utilized to determine effects of various flow blockage configurations (shapes and distributions) on reflooding behavior, to aid in development/assessment of computational models in predicting reflooding behavior of flow blockage configurations, and to screen flow blockage configurations for future 163-rod flow blockage bundle tests.

  3. Crack growth rates and metallographic examinations of Alloy 600 and Alloy 82/182 from field components and laboratory materials tested in PWR environments.

    SciTech Connect (OSTI)

    Alexandreanu, B.; Chopra, O. K.; Shack, W. J.

    2008-05-05T23:59:59.000Z

    In light water reactors, components made of nickel-base alloys are susceptible to environmentally assisted cracking. This report summarizes the crack growth rate results and related metallography for field and laboratory-procured Alloy 600 and its weld alloys tested in pressurized water reactor (PWR) environments. The report also presents crack growth rate (CGR) results for a shielded-metal-arc weld of Alloy 182 in a simulated PWR environment as a function of temperature between 290 C and 350 C. These data were used to determine the activation energy for crack growth in Alloy 182 welds. The tests were performed by measuring the changes in the stress corrosion CGR as the temperatures were varied during the test. The difference in electrochemical potential between the specimen and the Ni/NiO line was maintained constant at each temperature by adjusting the hydrogen overpressure on the water supply tank. The CGR data as a function of temperature yielded activation energies of 252 kJ/mol for a double-J weld and 189 kJ/mol for a deep-groove weld. These values are in good agreement with the data reported in the literature. The data reported here and those in the literature suggest that the average activation energy for Alloy 182 welds is on the order of 220-230 kJ/mol, higher than the 130 kJ/mol commonly used for Alloy 600. The consequences of using a larger value of activation energy for SCC CGR data analysis are discussed.

  4. 6.-Zoned Cr-spinel and "ferritchromit" alteration in forearc serpentinites from the northern Dominican Republic

    E-Print Network [OSTI]

    Dominican Republic B. Saumur 1,2 , and K. H. Hattori2 1 Dept. of Geology, University of Toronto, 22 Russell in northern Dominican Republic belong to the northern Caribbean peridotite belt, which extends from Cuba

  5. The Search for Muon Neutrinos from Northern Hemisphere Gamma-Ray Bursts with AMANDA

    E-Print Network [OSTI]

    Achterberg, A.; IceCube Collaboration

    2008-01-01T23:59:59.000Z

    see also the Swift Gamma-Ray Burst Mission Page: http://from Northern Hemisphere Gamma-Ray Bursts with AMANDA A.Northern Hemisphere Gamma-Ray Bursts with AMANDA The IceCube

  6. FORMATION OF REPLACEMENT DOLOMITE IN THE LATEMAR CARBONATE BUILDUP, DOLOMITES, NORTHERN ITALY: PART 1.

    E-Print Network [OSTI]

    Carmichael, Sarah

    FORMATION OF REPLACEMENT DOLOMITE IN THE LATEMAR CARBONATE BUILDUP, DOLOMITES, NORTHERN ITALY: PART F. McDONOUGH*** ABSTRACT. Replacement dolomite in the Latemar carbonate buildup, northern Italy of vertical columns (replacement of limestone breccia pipes) and sheets (replacement along fractures

  7. Evaluation of the complementary use of the ceramic (Kosim) filter and Aquatabs in Northern Region, Ghana

    E-Print Network [OSTI]

    Swanton, Andrew A

    2008-01-01T23:59:59.000Z

    The Kosim filter is a ceramic water filter that is currently used in Northern Ghana. Based on prior MIT research in Northern Ghana, this technology is effective at removing 92% of turbidity, 99.4% of total coliforms, and ...

  8. UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies and Procedures

    E-Print Network [OSTI]

    Bolch, Tobias

    academic programs within the funding available. 3.1 Types of material The Library acquires library materialUNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies and Procedures Library Senate S-201012.20 Page 1 of 4 December 15, 2010 SUBJECT: Library Collections & Acquisitions Policy 1. Purpose The Geoffrey R

  9. EXECUTIVE SUMMARY TERTIARY COAL RESOURCES IN THE NORTHERN

    E-Print Network [OSTI]

    Professional Paper 1625-A 1999 Resource assessment of selected Tertiary coal beds and zones in the Northern or on this symbol in the toolbar to return. 1999 Resource assessment of selected Tertiary coal beds and zones......................................................................ES-8 Figures ES-1. Coal basins under study in the current resource assessment, by region. ES-2

  10. University of Northern British Columbia Dr. Angle Smith

    E-Print Network [OSTI]

    Northern British Columbia, University of

    1 University of Northern British Columbia Dr. Angèle Smith Winter 2014 MW 1:00-2:20pm Rm. 6: angele.smith@unbc.ca Office: #3057 Admin Office Hours: Wednesday 2:30-4:00pm If you need to talk with me planes and highways. · Use and analyze visual media to consider the issues of mobility

  11. UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies and Procedures

    E-Print Network [OSTI]

    Bolch, Tobias

    UNIVERSITY OF NORTHERN BRITISH COLUMBIA Policies and Procedures Facilities PC April 30, 2009 Page 1 traditional, ceremonial, and pedagogical events while adhering to the British Columbia Tobacco Control Act. The University must comply with the law. Smudging and other Ceremonial Use of Smoke: 1.2 Smudging

  12. Exploring Geophyte Use in the Northern Great Basin

    E-Print Network [OSTI]

    Provancher, William

    Wild Onion & Balsamroot Gambel Oak Pinyon Pine Salina Wild Rye Sunflower Seed Great Basin Rye IndianExploring Geophyte Use in the Northern Great Basin: nutrient content, handling costs, effects of human settlement, subsistence, and sociopolitical change in Basin/Plateau #12;Problems Geophytes

  13. Population Assessment of the Northern Spotted Owl in

    E-Print Network [OSTI]

    Owl Management Plan. Within our survey areas, Spotted Owl occupancy declined by 49% between 1992.C. Conservation Foundation Carla B. Lenihan, Ministry of Sustainable Resource Management #12;Population Assessment of the Northern Spotted Owl in British Columbia 1992-2001 Page 1 Abstract In 1997, the Spotted Owl Management Plan

  14. AGE, GROWTH, AND REPRODUCTION OF THE NORTHERN PUFFER, SPHOEROIDES MACULATUSI

    E-Print Network [OSTI]

    AND JACKSON DAVIS4 ABSTRACT Rings on vertebral centra of the northern puffer, Splweroides lIlaclllall1s, were water was retained in the sac. Fish were classified as immature, gravid, run- ning ripe, or spent by gross inspection of the gonads. In a preliminary study, otoliths, cleithra, opercles, jaw bones, fin

  15. Author's personal copy Corundum-bearing garnet peridotite from northern Dominican Republic

    E-Print Network [OSTI]

    Author's personal copy Corundum-bearing garnet peridotite from northern Dominican Republic in the late Cretaceous to early Tertiary subduction complex in northern Dominican Republic. The garnet., 2009) and in the Rio San Juan Complex of northern Dominican Republic (Abbott et al., 2005, 2006, 2007

  16. Complex flow in lowest crustal, anastomosing mylonites: Strain gradients in a Kohistan gabbro, northern Pakistan

    E-Print Network [OSTI]

    Paris-Sud XI, Universit de

    , northern Pakistan L. Arbaret1 and J.-P. Burg Geologisches Institut, ETH-Zentrum, Zurich, Switzerland localization in near paleo-Moho metagabbros of the Kohistan Arc, northern Pakistan, produced anastomosing shear: Strain gradients in a Kohistan gabbro, northern Pakistan, J. Geophys. Res., 108(B10), 2467, doi:10

  17. An iterative process for international negociations on acid rain in Northern Europe

    E-Print Network [OSTI]

    Toint, Philippe

    An iterative process for international negociations on acid rain in Northern Europe using a general 138.48.4.14) #12; An iterative process for international negotiations on acid rain in Northern Europe transboundary pollution problem related to acid rain in Northern Europe. This simulation shows the need

  18. Inversion tectonics during continental rifting: The Turkana Cenozoic rifted zone, northern Kenya

    E-Print Network [OSTI]

    Brest, Université de

    Inversion tectonics during continental rifting: The Turkana Cenozoic rifted zone, northern Kenya B of inverted deformation within Miocene-Recent basins of the Turkana rift (northern Kenya) in the eastern: The Turkana Cenozoic rifted zone, northern Kenya, Tectonics, 24, TC2002, doi:10.1029/2004TC001637. 1

  19. FOOD HABITS OF HARBOR SEALS (PHOCA VITULINA) IN TWO ESTUARIES IN NORTHERN PUGET

    E-Print Network [OSTI]

    Acevedo, Alejandro

    FOOD HABITS OF HARBOR SEALS (PHOCA VITULINA) IN TWO ESTUARIES IN NORTHERN PUGET SOUND, WASHINGTON ____________________________ #12;FOOD HABITS OF HARBOR SEALS (PHOCA VITULINA) IN TWO ESTUARIES IN NORTHERN PUGET SOUND, WASHINGTON (PHOCA VITULINA) IN TWO ESTUARIES IN NORTHERN PUGET SOUND, WASHINGTON by Kathryn Luxa ABSTRACT

  20. Neogene overflow of Northern Component Water at the Greenland-Scotland Ridge

    E-Print Network [OSTI]

    Samworth, Richard

    Neogene overflow of Northern Component Water at the Greenland-Scotland Ridge H. R. Poore Department counterpart Northern Component Water (NCW), across the Greenland-Scotland Ridge (GSR) is thought to have,280 words, 12 figures, 3 tables. Keywords: Northern Component Water; Greenland-Scotland Ridge; Iceland

  1. Fermilab Today | Northern Illinois University Profile

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField8,Dist. CategoryFebruaryFebruaryInThe,Michigan State UniversityNothern

  2. ORNL rod-bundle heat-transfer test data. Volume 3. Thermal-hydraulic test facility experimental data report for test 3. 06. 6B - transient film boiling in upflow. [PWR

    SciTech Connect (OSTI)

    Mullins, C.B.; Felde, D.K.; Sutton, A.G.; Gould, S.S.; Morris, D.G.; Robinson, J.J.

    1982-05-01T23:59:59.000Z

    Reduced instrument responses are presented for Thermal-Hyraulic Test Facility (THTF) Test 3.06.6B. This test was conducted by members of the Oak Ridge National Laboratory Pressurized-Water-Reactor (PWR) Blowdown Heat Transfer (BDHT) Separate-Effects Program on August 29, 1980. The objective of the program was to investigate heat transfer phenomena believed to occur in PWR's during accidents, including small and large break loss-of-coolant accidents. Test 3.06.6B was conducted to obtain transient film boiling data in rod bundle geometry under reactor accident-type conditions. The primary purpose of this report is to make the reduced instrument responses for THTF Test 3.06.6B available. Included in the report are uncertainties in the instrument responses, calculated mass flows, and calculated rod powers.

  3. Stratigraphy and environment of deposition of the San Miguel lignite deposit northern McMullen and southeastern Atascosa counties, Texas

    E-Print Network [OSTI]

    Snedden, John William

    1979-01-01T23:59:59.000Z

    in alternate energy sources such as coal and lignite, The state of Texas has the capability to supoly a large portion of its energy needs with its near-surface lignite resources. These resources are estimated at ten billion tons (Fisher, 1978). The lignite...S RATIGRAPHY AND ENVIRONMENT OF DEPOSITION OF THE SAN MIGUEL LIGNITE DEPOSI NORTHERN M. MULLER 'VD SOUTHEASTERN ATASCOSA COUNTIES, TEXAS A Tnesis by UOH1'1 91IILIAM SNEDDZN Submitted n he Gra 'uate College of Tera. ASM University in partial...

  4. Petroleum geology of northern central America

    SciTech Connect (OSTI)

    Bishop, W.F.

    1980-07-01T23:59:59.000Z

    Major reserves of oil exist in the Reforma area of Tabasco and Chiapas states and the Campeche Shelf of SE Mexico in high-energy, bank-edge, reef-derived or reef-associated carbonate rocks, ranging in age from Late Jurassic to earliest Late Cretaceous. It is the conclusion of this study that the Reforma reservoir facies does not extend into West Guatemala. However, there the potential for major reserves in bank and lagoonal carbonates of similar age is considered excellent. A variety of structures, mostly resulting from salt tectonics, is present. Known reservoir rocks include fractured carbonates with secondary porosity resulting from solution and dolomitization, and limestones with primary intergranular porosity. An indigenous source is likely for the large quantities of oil which have been tested at Rubelsanto. Seals in the form of thick intervals of Cretaceous anhydrite and, in places, of Tertiary fine-grained clastics, are abundant. The area E of Rubelsanto may have considered merit, particularly if detailed structural analysis indicates that similar salt-tectonic features are present. The less deeply-buried areas of Cretaceous carbonates are not highly regarded because: (1) salt is absent; (2) temperatures sufficient for maturation of hydrocarbons may be lacking; and (3) a considerable number of dry holes with no significant shows have been drilled. North Guatemala is somewhat attractive, because the proper combination of unmetamorphosed Paleozoic organic shale on basement highs, well-developed Todos Santos sandstone reservoirs, and the overlying thick evaporite seal could trap sizable hydrocarbon accumulations. However, as degree of metamorphism decreases, presumably basinward, distance from source terrain for detritus increases and reservoirs may be inadequate. 13 figures, 1 table.

  5. Experimental Investigation on the Effects of Coolant Concentration on Sub-Cooled Boiling and Crud Deposition on Reactor Cladding at Prototypical PWR Operating Conditions

    SciTech Connect (OSTI)

    Schultis, J., Kenneth; Fenton, Donald, L.

    2006-10-20T23:59:59.000Z

    Increasing demand for energy necessitates nuclear power units to increase power limits. This implies significant changes in the design of the core of the nuclear power units, therefore providing better performance and safety in operations. A major hindrance to the increase of nuclear reactor performance especially in Pressurized Deionized water Reactors (PWR) is Axial Offset Anomaly (AOA)--the unexpected change in the core axial power distribution during operation from the predicted distribution. This problem is thought to be occur because of precipitation and deposition of lithiated compounds like boric acid (H{sub 2}BO{sub 3}) and lithium metaborate (LiBO{sub 2}) on the fuel rod cladding. Deposited boron absorbs neutrons thereby affecting the total power distribution inside the reactor. AOA is thought to occur when there is sufficient build-up of crud deposits on the cladding during subcooled nucleate boiling. Predicting AOA is difficult as there is very little information regarding the heat and mass transfer during subcooled nucleate boiling. An experimental investigation was conducted to study the heat transfer characteristics during subcooled nucleate boiling at prototypical PWR conditions. Pool boiling tests were conducted with varying concentrations of lithium metaborate (LiBO{sub 2}) and boric acid (H{sub 2}BO{sub 3}) solutions in deionized water. The experimental data collected includes the effect of coolant concentration, subcooling, system pressure and heat flux on pool the boiling heat transfer coefficient. The analysis of particulate deposits formed on the fuel cladding surface during subcooled nucleate boiling was also performed. The results indicate that the pool boiling heat transfer coefficient degrades in the presence of boric acid and lithium metaborate compared to pure deionized water due to lesser nucleation. The pool boiling heat transfer coefficients decreased by about 24% for 5000 ppm concentrated boric acid solution and by 27% for 5000 ppm lithium metaborate solution respectively at the saturation temperature for 1000 psi (68.9 bar) coolant pressure. Boiling tests also revealed the formation of fine deposits of boron and lithium on the cladding surface which degraded the heat transfer rates. The boron and lithium metaborate precipitates after a 5 day test at 5000 ppm concentration and 1000 psi (68.9 bar) operating pressure reduced the heat transfer rate 21% and 30%, respectively for the two solutions.

  6. Rural electrification: Waste biomass Russian northern territories. Final report

    SciTech Connect (OSTI)

    Adamian, S. [ECOTRADE, Inc., Glendale, CA (United States)

    1998-02-01T23:59:59.000Z

    The primary objective of this pre-feasibility evaluation is to examine the economic and technical feasibility of replacing distillate fuel with local waste biomass in the village of Verkhni-Ozerski, Arkhangelsk Region, Russia. This village is evaluated as a pilot location representing the off-grid villages in the Russian Northern Territories. The U.S. Department of Energy (DOE) has agreed to provide technical assistance to the Ministry of Fuel and Energy (MFE). MFE has identified the Northern Territories as a priority area requiring NREL`s assistance. The program initially affects about 900 off-grid villages. Biomass and wind energy, and to a lesser extent small hydro (depending on resource availability) are expected to play the dominant role in the program, Geothermal energy may also have a role in the Russian Far East. The Arkhangelsk, Kariela, and Krasnoyarsk Regions, all in the Russian Northern Territories, have abundant forest resources and forest products industries, making them strong candidates for implementation of small-scale waste biomass-to-energy projects. The 900 or so villages included in the renewable energy program span nine administrative regions and autonomous republics. The regional authorities in the Northern Territories proposed these villages to MFE for consideration in the renewable energy program according to the following selection criteria: (a) Remote off-grid location, (b) high cost of transporting fuel, old age of existing power generation equipment, and (d) preliminary determination as to availability of alternative energy resources. Inclusion of indigenous minorities in the program was also heavily emphasized. The prefeasibility study demonstrates that the project merits continuation and a full feasibility analysis. The demonstrated rate of return and net positive cash flow, the willingness of Onegales and local/regional authorities to cooperate, and the immense social benefits are all good reasons to continue the project.

  7. Salt-related structures in northern Appalachian basin

    SciTech Connect (OSTI)

    Towey, P.

    1988-08-01T23:59:59.000Z

    The Plateau province of the northern Appalachian basin is characterized by a series of sharp, detached, thrust-faulted anticlines roughly parallel with the Allegheny Front. In southwestern Pennsylvania and northern West Virginia, major thrusting of Alleghenian age is dominantly from the east, with numerous smaller thrusts from the west. Although the principal decollement is in the Silurian Salina Group, evidence of deeper detachment zones close to the front is abundant. In central and northern Pennsylvania, however, major thrusting is from the west. In those areas, thrusts from the east are rare to absent. Folds there are thin skinned above a decollement in the Salina Group, with no evidence of deeper detachment. Some recent workers have dismissed thrusting from the west as merely back thrusts of Alleghenian age, but seismic and well information indicate that the structural history of the Plateau province was dominated by a tectonic regime characterized by faults from the west and later overprinted near the structural front by the structures of the Alleghenian orogeny with its compression from the east. The basic idea is not new, but evidence in support of it has not been widely published.

  8. Lick Northern Proper Motion Program. III. Lick NPM2 Catalog

    E-Print Network [OSTI]

    Hanson, R B; Jones, B F; Monet, D G; Hanson, Robert B.; Klemola, Arnold R.; Jones, Burton F.; Monet, David G.

    2004-01-01T23:59:59.000Z

    The Lick Northern Proper Motion (NPM) program, a two-epoch (1947-1988) photographic survey of the northern two-thirds of the sky (Dec. > -23 deg), has measured absolute proper motions, on an inertial system defined by distant galaxies, for 380,000 stars from 8 14) anonymous stars for astrometry and galactic studies, 92,000 bright (B NPM2 proper motions are on the ICRS system, via Tycho-2 stars, to an accuracy of 0.5 mas/yr in each field. RMS proper motion precision is 6 mas/yr. Positional errors average 80 mas at the mean plate epoch 1968, and 200 mas at the NPM2 catalog epoch 2000. NPM2 photographic photometry errors average 0.18 mag in B, and 0.20 mag in B-V. The NPM2 Catalog and the updated (to J2000) NPM1 Catalog are available at the CDS Strasbourg data center and on the NPM WWW site (http://www.ucolick.org/~npm). The NPM2 Catalog completes the Lick Northern Proper Motion program after a half-century of w...

  9. Chiefs, state-building, and development in independent South Sudan

    E-Print Network [OSTI]

    Richner, Heinz

    Chiefs, state-building, and development in independent South Sudan Independent South Sudan In 2005 after more than two decades of war, the northern-based government of Sudan and the southern-based Sudan 2011, South Sudan finally became independent. The process of establishing executive, legislative

  10. Report on the Predation Index, Predator Control Fisheries, and Program Evaluation for the Columbia River Basin Experimental Northern Pikeminnow Management Program, 2008 Annual Report.

    SciTech Connect (OSTI)

    Porter, Russell [Pacific States Marine Fisheries Commission].

    2009-09-10T23:59:59.000Z

    This report presents results for year seventeen in the basin-wide Experimental Northern Pikeminnow Management Program to harvest northern pikeminnow1 (Ptychocheilus oregonensis) in the Columbia and Snake Rivers. This program was started in an effort to reduce predation by northern pikeminnow on juvenile salmonids during their emigration from natal streams to the ocean. Earlier work in the Columbia River Basin suggested predation by northern pikeminnow on juvenile salmonids might account for most of the 10-20% mortality juvenile salmonids experience in each of eight Columbia River and Snake River reservoirs. Modeling simulations based on work in John Day Reservoir from 1982 through 1988 indicated that, if predator-size northern pikeminnow were exploited at a 10-20% rate, the resulting restructuring of their population could reduce their predation on juvenile salmonids by 50%. To test this hypothesis, we implemented a sport-reward angling fishery and a commercial longline fishery in the John Day Pool in 1990. We also conducted an angling fishery in areas inaccessible to the public at four dams on the mainstem Columbia River and at Ice Harbor Dam on the Snake River. Based on the success of these limited efforts, we implemented three test fisheries on a system-wide scale in 1991 - a tribal longline fishery above Bonneville Dam, a sport-reward fishery, and a dam-angling fishery. Low catch of target fish and high cost of implementation resulted in discontinuation of the tribal longline fishery. However, the sport-reward and dam-angling fisheries were continued in 1992 and 1993. In 1992, we investigated the feasibility of implementing a commercial longline fishery in the Columbia River below Bonneville Dam and found that implementation of this fishery was also infeasible. Estimates of combined annual exploitation rates resulting from the sport-reward and dam-angling fisheries remained at the low end of our target range of 10-20%. This suggested the need for additional effective harvest techniques. During 1991 and 1992, we developed and tested a modified (small-sized) Merwin trapnet. We found this floating trapnet to be very effective in catching northern pikeminnow at specific sites. Consequently, in 1993 we examined a system-wide fishery using floating trapnets, but found this fishery to be ineffective at harvesting large numbers of northern pikeminnow on a system-wide scale. In 1994, we investigated the use of trap nets and gillnets at specific locations where concentrations of northern pikeminnow were known or suspected to occur during the spring season (i.e., March through early June). In addition, we initiated a concerted effort to increase public participation in the sport-reward fishery through a series of promotional and incentive activities. In 1995, 1996, and 1997, promotional activities and incentives were further improved based on the favorable response in 1994. Results of these efforts are subjects of this annual report. Evaluation of the success of test fisheries in achieving our target goal of a 10-20% annual exploitation rate on northern pikeminnow is presented in Report C of this report. Overall program success in terms of altering the size and age composition of the northern pikeminnow population and in terms of potential reductions in loss of juvenile salmonids to northern pikeminnow predation is also discussed in Report C. Program cooperators include the Pacific States Marine Fisheries Commission (PSMFC), Oregon Department of Fish and Wildlife (ODFW), and Washington Department of Fish and Wildlife (WDFW), and the U. S. Department of Agriculture (USDA), Animal Damage Unit as a contractor to test Dam Angling. The PSMFC was responsible for coordination and administration of the program; PSMFC subcontracted various tasks and activities to ODFW and WDFW based on the expertise each brought to the tasks involved in implementing the program and dam angling to the USDA.

  11. Probability of pipe fracture in the primary coolant loop of a PWR plant. Volume 5. Probabilistic fracture mechanics analysis. Load Combination Program Project I final report

    SciTech Connect (OSTI)

    Harris, D.O.; Lim, E.Y.; Dedhia, D.D.

    1981-06-01T23:59:59.000Z

    The primary purpose of the Load Combination Program covered in this report is to estimate the probability of a seismic induced LOCA in the primary piping of a commercial pressurized water reactor (PWR). Best estimates, rather than upper bound results are desired. This was accomplished by use of a fracture mechanics model that employs a random distribution of initial cracks in the piping welds. Estimates of the probability of cracks of various sizes initially existing in the welds are combined with fracture mechanics calculations of how these cracks would grow during service. This then leads to direct estimates of the probability of failure as a function of time and location within the piping system. The influence of varying the stress history to which the piping is subjected is easily determined. Seismic events enter into the analysis through the stresses they impose on the pipes. Hence, the influence of various seismic events on the piping failure probability can be determined, thereby providing the desired information.

  12. Spent fuel dry storage technology development: fuel temperature measurements under imposed dry storage conditions (I kW PWR spent fuel assembly)

    SciTech Connect (OSTI)

    Unterzuber, R.; Wright, J.B.

    1980-09-01T23:59:59.000Z

    A spent fuel assembly temperature test under imposed dry storage conditions was conducted at the Engine Maintenance Assembly and Disassembly (E-MAD) facility on the Nevada Test Site in support of spent fuel dry storage technology development. This document presents the test data and results obtained from an approximately 1.0 kW decay heat level PWR spent fuel assembly. A spent fuel test apparatus was designed to utilize a representative stainless steel spent fuel canister, a canister lid containing internal temperature instrumentation to measure fuel cladding temperatures, and a carbon steel liner that encloses the canister and lid. Electrical heaters along the liner length, on the lid, and below the canister are used to impose dry storage canister temperature profiles. Temperature instrumentation is provided on the liner and canister. The liner and canister are supported by a test stand in one of the large hot cells (West Process Cell) inside E-MAD. Fuel temperature measurements have been performed using imposed canister temperature profiles from the electrically heated and spent fuel drywell tests being conducted at E-MAD as well as for four constant canister temperature profiles, each with a vacuum, helium and air backfill. Computer models have been utilized in conjunction with the test to predict the thermal response of the fuel cladding. Computer predictions are presented, and they show good agreement with the test data.

  13. Those parts of Mexico that border the United States play a vital role in the

    E-Print Network [OSTI]

    Shyy, Wei

    Those parts of Mexico that border the United States play a vital role in the Mexican economy investment and providing local jobs, Mexico's northern states have the highest growth rate and high- est per's economic development may come at a cost. In the communities that have sprung up around Mexico

  14. Review: "We Are Here to Stay": Pashtun Migrants in the Northern Areas of Pakistan

    E-Print Network [OSTI]

    Bashir, Elena

    2012-01-01T23:59:59.000Z

    the vegetative resources of Pakistans Hindukush-Himalaya.groups in Swat, North Pakistan. American Anthropologistof Pashto-speakers in Pakistans Northern Areas: Different

  15. 432 ShortCommunications [Auk,Vol. 108 unmated Northern Mockingbirds, Mimus poly-

    E-Print Network [OSTI]

    Lougheed, Stephen

    . BSCH. 1989. Intra-paircooper- ation,fledglingcareandrenestingby Northern Mockingbirds- tisticalinferencesaboutbiologicalphenomena(e.g. studiesof adaptive radiation, taxonomicrelation- shipsinterspecificcompetition

  16. Northern New England Middle School Science Bowl | U.S. DOE Office...

    Office of Science (SC) Website

    Hampshire Regions Northern New England Middle School Science Bowl National Science Bowl (NSB) NSB Home About High School Middle School Middle School Students Middle School...

  17. Harvesting intensity influences the carbon distribution in a northern hardwood ecosystem. Forest Service research paper

    SciTech Connect (OSTI)

    Strong, T.F.

    1997-09-01T23:59:59.000Z

    Studies the effects of five cutting methods on soil and vegetative carbon after 40 years of management in a northern hardwood forest in Wisconsin.

  18. NV Energy (Northern Nevada)- SureBet Business Energy Efficiency Rebate Program

    Broader source: Energy.gov [DOE]

    '''Funding is not currently available for the Nevada Surebet Northern Retrofit Program. New Construction projects are still eligible for funding as of October, 2012.'''

  19. UNBC Press Release: The University of Northern British Columbia is launching a unique program next

    E-Print Network [OSTI]

    Northern British Columbia, University of

    UNBC Press Release: The University of Northern British Columbia is launching a unique program next is a perfect fit for UNBC and for the region." #12;

  20. ix cores were undertaken at Byblos (Fig. 1), two in the northern harbour and four

    E-Print Network [OSTI]

    in sedimentological facies is attested in the northern or southern bays' sedimentary records, demonstrating (coring, geomorphological mapping, bio-sedimentological studies) with archaeology, to better understand

  1. Lick Northern Proper Motion Program. III. Lick NPM2 Catalog

    E-Print Network [OSTI]

    Robert B. Hanson; Arnold R. Klemola; Burton F. Jones; David G. Monet

    2004-06-07T23:59:59.000Z

    The Lick Northern Proper Motion (NPM) program, a two-epoch (1947-1988) photographic survey of the northern two-thirds of the sky (Dec. > -23 deg), has measured absolute proper motions, on an inertial system defined by distant galaxies, for 380,000 stars from 8 NPM1 Catalog contains 148,940 stars in 899 fields outside the Milky Way's zone of avoidance. The 2003 NPM2 Catalog contains 232,062 stars in the remaining 347 NPM fields near the plane of the Milky Way. This paper describes the NPM2 star selection, plate measurements, astrometric and photometric data reductions, and catalog compilation. The NPM2 Catalog contains 120,000 faint (B > 14) anonymous stars for astrometry and galactic studies, 92,000 bright (B NPM2 proper motions are on the ICRS system, via Tycho-2 stars, to an accuracy of 0.5 mas/yr in each field. RMS proper motion precision is 6 mas/yr. Positional errors average 80 mas at the mean plate epoch 1968, and 200 mas at the NPM2 catalog epoch 2000. NPM2 photographic photometry errors average 0.18 mag in B, and 0.20 mag in B-V. The NPM2 Catalog and the updated (to J2000) NPM1 Catalog are available at the CDS Strasbourg data center and on the NPM WWW site (http://www.ucolick.org/~npm). The NPM2 Catalog completes the Lick Northern Proper Motion program after a half-century of work by three generations of Lick Observatory astronomers. The NPM Catalogs will serve as a database for research in galactic structure, stellar kinematics, and astrometry.

  2. Geothermal Reservoir Assessment Case Study, Northern Basin and Range

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, search OpenEI Reference LibraryAdd to libraryOpenCX TypeProvince, Northern Dixie

  3. PP-60 Northern Electric Cooperative Association (NEC) | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOilNEWResponse(Expired) | Department ofINCREASES1 Northern9-1518-3

  4. Northern New Mexico College scholarship dinner September 29

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for Renewable Energy:Nanowire Solar541,9337,2AprilBigtoDepartment of 12approvesNorthern

  5. Northern New Mexico companies benefit from economic development funds

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for Renewable Energy:Nanowire Solar541,9337,2AprilBigtoDepartment of » Northern New

  6. Northern New Mexico students receive $419,500 in scholarships

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for Renewable Energy:Nanowire Solar541,9337,2AprilBigtoDepartment of » Northern

  7. Northern Wasco County Peoples Utility District

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for Renewable Energy:Nanowire Solar541,9337,2AprilBigtoDepartment of » NorthernSTATEMENT

  8. Strong partnerships with our northern New Mexico neighbors

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over Our Instagram Secretary900SteepStrengthening northern New Mexico'sStrong

  9. Northern Arizona University Wind Projects | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRoseConcerns Jumpsource History View NewNorthern Arizona University Wind

  10. Northern Basin and Range Geothermal Region | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRoseConcerns Jumpsource History View NewNorthern Arizona University

  11. Northern Colorado Wind Energy Center (GE) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRoseConcerns Jumpsource History View NewNorthern Arizona UniversityGE)

  12. Northern Colorado Wind Energy Center (Siemens) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRoseConcerns Jumpsource History View NewNorthern Arizona

  13. Northern Mariana Islands: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRoseConcerns Jumpsource History View NewNorthern Arizona(Redirected from

  14. Northern Mariana Islands: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRoseConcerns Jumpsource History View NewNorthern Arizona(Redirected

  15. Trip Report: Northern New Mexico Citizens Advisory Board Meeting

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 1112011 Strategic2Uranium Transferon theTedRegion | Department of Energy TribesNorthern New

  16. Northern Rio Arriba E Coop Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCaliforniaNorthern Rio Arriba E Coop

  17. Northern Westchester Energy Action Consortium (NY) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLuOpenNorth America DrillingCaliforniaNorthern RioInformation

  18. Northern Arizona University SHRM Wind Project | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: Energy ResourcesGranby,Plains,Northampton,St.Northern Arizona

  19. Northern California Solar Energy Association NCSEA | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri: Energy ResourcesGranby,Plains,Northampton,St.Northern

  20. Stoney Corners (Northern Power Systems) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-f < RAPID‎SolarCityInformation GlassOpen(Redirected(Northern Power

  1. The Northern Energy Initiative TNEI | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnualProperty Edit with formSoutheasternInformationPolicyREDD+ Book Jump to:The Northern Energy

  2. Performance of utility grid-tied photovoltaic systems in the northern United States

    SciTech Connect (OSTI)

    DeLaune, J.L. [Wisconsin Public Service Corp., Green Bay, WI (United States); Bircher, C.L. [Synergic Resources Corp., Green Bay, WI (United States)

    1995-10-01T23:59:59.000Z

    Wisconsin Public Service Corporation (WPSC), a medium sized-investor owned electric and natural gas utility serving northeast Wisconsin, installed two roof-top, grid-tied photovoltaic systems in 1993. These systems were part of an Environmental Protection Agency power plant emission mitigation study coordinated by Ascension Technology, Inc. A 12-Kw commercial roof-top unit and a 4-Kw residential roof-top unit were installed. WPSC has extensively studied the 4-Kw residential roof-top unit to gather information for offering a PV-Friendly Leasing program to residential customers in 1996. This paper will discuss the results of this evaluation in the areas of Demand Side Management, System Peak Shaving, Targeted Area Planning. Power Plant Emission Reductions, and Overall Performance.

  3. Joint Motion to Intervene of Northern States Power Company (Minnesota) et

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(FactDepartment ofLetter Report: I11IG002RTC3 | ofproposalofDepartment ofListal. on

  4. PP-45-2 Northern States Power Company | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in235-1 Termoelectrica U.S LLC PP-235-1PP-32PP-40-1 UNSPP-45

  5. Origin Basin Destination State STB EIA STB EIA Northern Appalachian Basin

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122Commercial Consumers (NumberThousand Cubic Feet) DecadeYear JanYear0.9Delaware W

  6. Origin Basin Destination State STB EIA STB EIA Northern Appalachian Basin

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122Commercial Consumers (NumberThousand Cubic Feet) DecadeYear JanYear0.9Delaware

  7. Neutronic Analysis of the Burning of Transuranics in Fully Ceramic Micro-Encapsulated Tri-Isotropic Particle-Fuel in a PWR

    SciTech Connect (OSTI)

    Michael A. Pope; R. Sonat Sen; Abderrafi M. Ougouag; Gilles Youinou; Brian Boer

    2012-11-01T23:59:59.000Z

    Calculations have been performed to assess the neutronic behavior of pins of Fully-Ceramic Micro-encapsulated (FCM) fuel in otherwise-conventional Pressurized Water Reactor (PWR) fuel pins. The FCM fuel contains transuranic (TRU) only oxide fuel in tri-isotropic (TRISO) particles with the TRU loading coming from the spent fuel of a conventional LWR after 5 years of cooling. Use of the TRISO particle fuel would provide an additional barrier to fission product release in the event of cladding failure. Depletion calculations were performed to evaluate reactivity-limited burnup of the TRU-only FCM fuel. These calculations showed that due to relatively little space available for fuel, the achievable burnup with these pins alone is quite small. Various reactivity parameters were also evaluated at each burnup step including moderator temperature coefficient (MTC), Doppler, and soluble boron worth. These were compared to reference UO2 and MOX unit cells. The TRU-only FCM fuel exhibits degraded MTC and Doppler coefficients relative to UO2 and MOX. Also, the reactivity effects of coolant voiding suggest that the behavior of this fuel would be similar to a MOX fuel of very high plutonium fraction, which are known to have positive void reactivity. In general, loading of TRU-only FCM fuel into an assembly without significant quantities of uranium presents challenges to the reactor design. However, if such FCM fuel pins are included in a heterogeneous assembly alongside LEU fuel pins, the overall reactivity behavior is dominated by the uranium pins while attractive TRU destruction performance levels in the TRU-only FCM fuel pins is. From this work, it is concluded that use of heterogeneous assemblies such as these appears feasible from a preliminary reactor physics standpoint.

  8. Jurassic and Cretaceous clays of the northern and central North Sea

    E-Print Network [OSTI]

    Haszeldine, Stuart

    Jurassic and Cretaceous clays of the northern and central North Sea hydrocarbon reservoirs reviewedQF, UK AB ST R ACT : The principal clays of the northern and central North Sea are illite (sometimes interpreted as both infiltrated clastic clay, and as an early diagenetic phase. Early clays may have been

  9. ULYSSES BEGINS EXPLORATION OF THE SUN'S NORTHERN POLE The Ulysses spacecraft has begun to explore the

    E-Print Network [OSTI]

    Christian, Eric

    ULYSSES BEGINS EXPLORATION OF THE SUN'S NORTHERN POLE The Ulysses spacecraft has begun to explore the northern pole of the Sun, initiating the second phase of its primary mission to study regions above and below the Sun never before explored by spacecraft. Ulysses, a joint NASA-European Space Agency mission

  10. Significant aerosol direct radiative effects during a pollution episode in northern China

    E-Print Network [OSTI]

    Li, Zhanqing

    Significant aerosol direct radiative effects during a pollution episode in northern China J. Liu,1 during a heavy pollution episode that occurred in October 2004 over northern China are explored , resulting in solar heating of the atmosphere on the order of 300 Wm2 . Solar radiation reflected

  11. Impacts of payments for environmental services on local development in northern Costa Rica

    E-Print Network [OSTI]

    Paris-Sud XI, Universit de

    1 Impacts of payments for environmental services on local development in northern Costa Rica., Salinas Z., 2008. Impacts of payments for environmental services on local development in northern Costa mechanisms for forest environmental services are increasingly used for promoting environmental conservation

  12. Seasonal persistence of northern low-and middle-latitude anomalies of ozone and

    E-Print Network [OSTI]

    Wirosoetisno, Djoko

    Seasonal persistence of northern low- and middle-latitude anomalies of ozone and other trace gases #12;Seasonal persistence of northern low- and middle-latitude anomalies of ozone and other trace gases 10 July 2008; accepted 23 July 2008; published 11 November 2008. [1] Analysis of observed ozone

  13. University of Northern British Columbia & BC Rural & Remote Health Research Network

    E-Print Network [OSTI]

    Bolch, Tobias

    University of Northern British Columbia & BC Rural & Remote Health Research Network Provincial in the province. The University of Northern British Columbia is the secretariat for the BCRRHRN and satellite sites are located at the University of British Columbia and the University of Victoria. Duties

  14. Response of ecosystem carbon fluxes to drought events in a poplar plantation in Northern China

    E-Print Network [OSTI]

    Chen, Jiquan

    Response of ecosystem carbon fluxes to drought events in a poplar plantation in Northern China Jie, Beijing 100083, PR China b Eastern Forest Environmental Threat Assessment Center, USDA Forest Service plantations are widely used for timber production and ecological restoration in northern China, a region

  15. Analysis of Heating Systems and Scale of Natural Gas-Condensing Water Boilers in Northern Zones

    E-Print Network [OSTI]

    Wu, Y.; Wang, S.; Pan, S.; Shi, Y.

    2006-01-01T23:59:59.000Z

    In this paper, various heating systems and scale of the natural gas-condensing water boiler in northern zones are discussed, based on a technical-economic analysis of the heating systems of natural gas condensing water boilers in northern zones...

  16. PERI-GONDWANAN ELEMENTS IN THE CALEDONIAN NAPPES OF FINNMARK, NORTHERN NORWAY: IMPLICATIONS FOR THE

    E-Print Network [OSTI]

    Torsvik, Trond Helge

    PERI-GONDWANAN ELEMENTS IN THE CALEDONIAN NAPPES OF FINNMARK, NORTHERN NORWAY: IMPLICATIONS Complex in northern Norway. In the standard interpretation, the Kalak Nappe Complex was viewed as a stack of Geosciences, University of Oslo, Postbox 1047 Blindern, N-0316 Oslo, Norway; fernando

  17. Admixture Analysis of Florida Largemouth Bass and Northern Largemouth Bass using Microsatellite Loci

    E-Print Network [OSTI]

    Aspbury, Andrea S. - Department of Biology, Texas State University

    trophy bass (defined here as fish weighing 5.90 kg or more) donated to the Texas Parks and Wildlife), whereas others (N 13) were admixed with northern largemouth bass. Of the 13 admixed fish, 11 hadAdmixture Analysis of Florida Largemouth Bass and Northern Largemouth Bass using Microsatellite

  18. Electrical structure beneath the northern MELT line on the East Pacific Rise at 15450

    E-Print Network [OSTI]

    Brest, Universit de

    Electrical structure beneath the northern MELT line on the East Pacific Rise at 15450 S Kiyoshi] The electrical structure of the upper mantle beneath the East Pacific Rise (EPR) at 15450 S is imaged structure beneath the northern MELT line on the East Pacific Rise at 15450 S, Geophys. Res. Lett., 33, L

  19. Analysis of Heating Systems and Scale of Natural Gas-Condensing Water Boilers in Northern Zones

    E-Print Network [OSTI]

    Wu, Y.; Wang, S.; Pan, S.; Shi, Y.

    2006-01-01T23:59:59.000Z

    In this paper, various heating systems and scale of the natural gas-condensing water boiler in northern zones are discussed, based on a technical-economic analysis of the heating systems of natural gas condensing water boilers in northern zones...

  20. A Recent Story of NGOs in Northern Iraqi Kurdistan Giorgio Francia1

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1 A Recent Story of NGOs in Northern Iraqi Kurdistan Giorgio Francia1 and Gérard Gautier2 Abstract In comparison to the other areas of Iraq, Kurdistan Region, in the northern part of the country, witnessed very on the day-to-day life in Kurdistan Region, as well as ­ paradoxically ­ a negative one on the funding

  1. Protected areas in Northern Colombia on track to sustainable development? Carla Marchant & Axel Borsdorf

    E-Print Network [OSTI]

    Borsdorf, Axel

    Protected areas in Northern Colombia on track to sustainable development? Carla Marchant & Axel Borsdorf Keywords: sustainable development, livelihood, tourism, subsistence, coffee, Sierra Nevada de of sustainable development. On the basis of case studies in the Sierra Nevada de Santa Marta, Northern Colombia

  2. NATIVE MYCORRHIZAL FUNGI WITH ASPEN ON SMELTER-IMPACTED SITES IN THE NORTHERN ROCKY MOUNTAINS

    E-Print Network [OSTI]

    Cripps, Cathy

    NATIVE MYCORRHIZAL FUNGI WITH ASPEN ON SMELTER- IMPACTED SITES IN THE NORTHERN ROCKY MOUNTAINS smelter sites in the northern Rocky Mountains. This is evidenced by extensive aspen stands on the East Ridge of Butte (MT), behind the smelter stack at Anaconda (MT), near the (removed) smelter in Kellogg

  3. Lower forestgrassland ecotones and 20th Century livestock herbivory effects in northern Mongolia

    E-Print Network [OSTI]

    Lawrence, Rick L.

    Lower forestgrassland ecotones and 20th Century livestock herbivory effects in northern Mongolia forestgrassland ecotones in the Darhad Valley in northern Mongolia and investigated the effects of 20th. # 2006 Elsevier B.V. All rights reserved. Keywords: Mongolia; Forestgrassland ecotone; Livestock

  4. The potential effects of sounds from seismic exploration on the distribution of cetaceans in the Northern Gulf of Mexico

    E-Print Network [OSTI]

    Rankin, Shannon

    1999-01-01T23:59:59.000Z

    The goal of this study is to determine the possible effects of seismic exploration sounds on distribution of cetaceans in the Northern Gulf of Mexico. The study consisted of ten Gulfier research cruises, surveying the Northern Gulf of Mexico from...

  5. Northern noble savages? Edward Daniel Clarke and British primitivist narratives on Scotland and Scandinavia, c.1760-1822

    E-Print Network [OSTI]

    Andersson Burnett, Linda Carin Cecilia; Burnett, Linda Carin Cecilia Andersson

    2012-06-28T23:59:59.000Z

    This thesis analyses a growing metropolitan British fascination with northern Scandinavia and Scotland towards the end of the eighteenth century. These two northern regions underwent a dramatic transformation, from being ...

  6. Feasibility evaluation of fired brick technology as a construction material and income-generating industry in Northern Ghana

    E-Print Network [OSTI]

    Bates, Caroline Nijole

    2014-01-01T23:59:59.000Z

    This work evaluates the potential to develop fired brick production in the Northern Region of Ghana. While several brick factories operate in southern Ghana, no factories are known to exist in northern Ghana, which remains ...

  7. Department of Energy Awards $345,000 to the Eight Northern Indian Pueblos Council Community Reuse Organization

    Broader source: Energy.gov [DOE]

    Department of Energy Awards $345,000 to the Eight Northern Indian Pueblos Council Community Reuse Organization

  8. GEOLOGY | February 2013 | www.gsapubs.org 111 The Stak massif, northern Pakistan, is a newly recognized occur-

    E-Print Network [OSTI]

    GEOLOGY | February 2013 | www.gsapubs.org 111 ABSTRACT The Stak massif, northern Pakistan in northern Pakistan (Fig. 1) is a retro- gressed eclogitic massif, but the pervasive retrogression made northwest of Skardu, Pakistan (Fig. 1). High-pressure rocks are exposed on the northern edge of the Indian

  9. Sedimentology of Seismo-Turbidites off the Cascadia and Northern California Active Tectonic Continental Margins, Northwest Pacific Ocean

    E-Print Network [OSTI]

    Goldfinger, Chris

    Sedimentology of Seismo-Turbidites off the Cascadia and Northern California Active, Goldfinger, Chris, Escutia, Carlota, Sedimentology of Seismo-Turbidites off the Cascadia and Northern Cal ACCEPTED MANUSCRIPT 1 Sedimentology of Seismo-Turbidites off the Cascadia and Northern California Active

  10. TASS Mark IV Photometric Survey of the Northern Sky

    E-Print Network [OSTI]

    Thomas F. Droege; Michael W. Richmond; Michael P. Sallman; Robert P. Creager

    2006-10-17T23:59:59.000Z

    The Amateur Sky Survey (TASS) is a loose confederation of amateur and professional astronomers. We describe the design and construction of our Mark IV systems, a set of wide-field telescopes with CCD cameras which take simultaneous images in the $V$ and $I_C$ passbands. We explain our observational procedures and the pipeline which processes and reduces the images into lists of stellar positions and magnitudes. We have compiled a large database of measurements for stars in the northern celestial hemisphere with $V$-band magnitudes in the range 7 < V < 13. This paper describes data taken over the four-year period starting November, 2001. One of our results is a catalog of repeated measurements on the Johnson-Cousins system for over 4.3 million stars.

  11. Bibliography on northern pipelines in the former Soviet Union. Special report

    SciTech Connect (OSTI)

    Smallidge, E.R.

    1997-08-01T23:59:59.000Z

    In 1993 a pilot project between the Defense Technical Information Center and the U.S. Army Cold Regions Research and Engineering Laboratory resulted in a proposal to conduct a state-of-the-art review of technology and techniques for building, operating, and maintaining arctic natural gas and liquid petroleum pipelines in the former Soviet Union. The objectives of the pipeline review were to (1) Review the design, construction, operation, and maintenance procedures of oil and gas pipelines in the permafrost areas of eastern and western Siberia. (2) Assemble data on the evolution of Siberian pipelines, reflecting changes in size, modes of construction, and age. (3) Assemble data on maintenance procedures and practices, including inspection techniques with respect to corrosion, pipe wrinkling, and metal fatigue. (4) Assemble data on pipeline failures and attempt to predict life expectancy of different pipelines under the harsh arctic environment. (5) Evaluate the environmental impact of different pipeline construction techniques and relate it to ruptures and breaks. In conjunction with the study objectives, a literature search was conducted on northern pipelines in the former Soviet Union. References were compiled on dates of construction, location, route conditions, design, construction, maintenance, environmental impact, accidents, production management, and other pertinent facts. In the resulting bibliography, references are separated into three categories: Oil and Gas Pipelines, Construction, and Accidents. There is some repetition of references between the categories because some are relevant to more than one of the subject categories.

  12. United States

    Office of Legacy Management (LM)

    - I United States Department of Energy D lSCk Al M E R "This book was prepared as an account of work sponsored by an agency of the United States Government. Neither the United...

  13. Clean Cities: Ocean State Clean Cities coalition

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office511041clothAdvanced Materials Advanced. C o w l i t z CPlasma0 12DenverNorthern Colorado CleanOcean State

  14. Partitioned Waveform Inversion Applied to Eurasia and Northern Africa

    SciTech Connect (OSTI)

    bedle, H; Matzel, E; Flanagan, M

    2006-07-27T23:59:59.000Z

    This report summarizes the data analysis achieved during Heather Bedle's eleven-week Technical Scholar internship at Lawrence Livermore National Labs during the early summer 2006. The work completed during this internship resulted in constraints on the crustal and upper mantle S-velocity structure in Northern Africa, the Mediterranean, the Middle East, and Europe, through the fitting of regional waveform data. This data extends current raypath coverage and will be included in a joint inversion along with data from surface wave group velocity measurements, S and P teleseismic arrival time data, and receiver function data to create an improved velocity model of the upper mantle in this region. The tectonic structure of the North African/Mediterranean/Europe/Middle Eastern study region is extremely heterogeneous. This region consists of, among others, stable cratons and platforms such as the West Africa Craton, and Baltica in Northern Europe; oceanic subduction zones throughout the Mediterranean Sea where the African and Eurasian plate collide; regions of continental collision as the Arabian Plate moves northward into the Turkish Plate; and rifting in the Red Sea, separating the Arabian and Nubian shields. With such diverse tectonic structures, many of the waveforms were difficult to fit. This is not unexpected as the waveforms are fit using an averaged structure. In many cases the raypaths encounter several tectonic features, complicating the waveform, and making it hard for the software to converge on a 1D average structure. Overall, the quality of the waveform data was average, with roughly 30% of the waveforms being discarded due to excessive noise that interfered with the frequency ranges of interest. An inversion for the 3D S-velocity structure of this region was also performed following the methodology of Partitioned Waveform Inversion (Nolet, 1990; Van der Lee and Nolet, 1997). The addition of the newly fit waveforms drastically extends the range of the model. The model now extends as far east in Africa to cover Chad and Niger, and reaches south to cover Zambia. The model is also stretched eastward to cover the eastern half of India, and northward to cover the southern portion of Scandinavia.

  15. Final Report: Northern Virginia Community College Training for Biotechnology Workers

    SciTech Connect (OSTI)

    Weiss, Johanna V

    2010-05-31T23:59:59.000Z

    The intent of this project was to expand Northern Virginia Community College's capability to offer training to support the Biotechnology Industry in the northern Virginia region. The general goal of this project was to create a College Biotechnology Program; specific goals of the project were to a) design curricula/courses to prepare students to become entry-level lab technicians, b) redesign and equip lab space to better suit the needs of the program, c) develop partnerships with the local industry through outreach and the formation on an advisory board, d) recruit students into the program, and e) provide instructional support for local high school teachers. At the end of the grant period, NOVA has successfully created two new curricula in biotechnology: an Associate of Applied Science (A.A.S.) in Biotechnology (initiated in Fall 2008) and a Career Studies Certificate for Biotechnology Lab Technicians (to be initiated in Fall 2010). These curricula were designed with advice from an external advisory committee which is comprised of representatives from industry, transfer institutions and high school administrators. To date, almost all courses have been designed and piloted; the equipment needed for the courses and the initial supplies were paid for by the grant as was the re-modeling of some lab space to be used for the biotech courses. In order to market the program, the NOVA Biotech Program has also established relationships with the local high schools. Presentations were given at several local high schools and on-site workshops were held for high school students and teachers. As a result, close to 1000 students have attended program open houses, presentations within the high schools, or workshops held in the summer. Over 100 teachers have received information and/or training in biotechnology. These outreach efforts as well as high quality curricula have started to attract a number of students to the program for example, there are currently 70 students enrolled in the A.A.S. program. The first students in the biotech program are expected to graduate in Spring 2011; already, students enrolled in the biotech program/courses have obtained jobs or internships in several local companies. Our current goal continues to be to foster the formation of a regional biotech education pipeline into the local industry which includes the recruitment of individuals into the NOVA Biotech Program, the training and graduation of highly-skilled lab technicians, and the placement of graduates in local biotech industry jobs.

  16. Modification of a biosand filter in the northern region of Ghana

    E-Print Network [OSTI]

    Kikkawa, Izumi

    2008-01-01T23:59:59.000Z

    Four local plastic design (LPD) BSFs were constructed in Northern Region, Ghana, to test and evaluate an experimental modification of the LPD BSF for treatment of highly turbid water. Modifications of the LPD BSFs were ...

  17. Planting improvement : the rhetoric and practice of scientific agriculture in northern British America, 1670-1820

    E-Print Network [OSTI]

    Zilberstein, Anya

    2008-01-01T23:59:59.000Z

    "Planting Improvement: The Rhetoric and Practice of Scientific Agriculture in Northern British America, 1670-1820," explores the history and cultural politics of environmental change in the British empire through a focus ...

  18. Adjustments Due to a Declining Groundwater Supply: High Plains of Northern Texas and Western Oklahoma

    E-Print Network [OSTI]

    Lacewell, R D.; Jones, L. L.; Osborn, J. E.

    The region north of the Canadian River in Texas and including the three western counties of Oklahoma have been rapidly developing the groundwater resource since the mid 1960's. This region, hereafter referred to as the Northern High Plains...

  19. Spatial pattern and temporal dynamics of northern bobwhite abundance and agricultural landuse, and potential casual factors

    E-Print Network [OSTI]

    Okay, Atiye Zeynep

    2006-04-12T23:59:59.000Z

    There was a long-term decline in northern bobwhite (Colinus virginianus, NBW) abundance since the 1920s, based on the Christmas Bird Count (CBC) data, but with substantial spatial and temporal variations across its range. ...

  20. Probabilistic projections of 21st century climate change over Northern Eurasia

    E-Print Network [OSTI]

    Monier, Erwan

    We present probabilistic projections of 21st century climate change over Northern Eurasia using the Massachusetts Institute of Technology (MIT) Integrated Global System Model (IGSM), an integrated assessment model that ...

  1. Probabilistic Projections of 21st Century Climate Change over Northern Eurasia

    E-Print Network [OSTI]

    Monier, Erwan

    2013-07-18T23:59:59.000Z

    We present probabilistic projections of 21st century climate change over Northern Eurasia using the Massachusetts Institute of Technology (MIT) Integrated Global System Model (IGSM), an integrated assessment model that ...

  2. The Political Ecology of Food Insecurity in Smallholder Coffee Cooperatives in Northern Nicaragua

    E-Print Network [OSTI]

    Putnam, Heather Renee

    2013-05-31T23:59:59.000Z

    -level cooperatives that are participants in the Youth Leadership and Food Sovereignty Project executed by the cooperative organization the UCA San Ramn, in the department of Matagalpa in northern Nicaragua. Using a combined framework of political ecology...

  3. Occurrence of gas hydrate in Oligocene Frio sand: Alaminos Canyon Block 818: Northern Gulf of Mexico

    E-Print Network [OSTI]

    Boswell, R.D.

    2010-01-01T23:59:59.000Z

    Advances in the Study of Gas Hydrates. Kluwer, New York, pp.and quantification of gas hydrates using rock physics andand Salt Inhibition of Gas Hydrate Formation in the Northern

  4. Monitoring and evaluation of a ceramic water filter and hand-washing intervention in Northern Ghana

    E-Print Network [OSTI]

    Lu, Connie C

    2012-01-01T23:59:59.000Z

    Through a Rotary Club contract, PHW will sell Kosim filters and install Tippy-Tap hand-washing stations in 1250 households in Northern Ghana. This thesis presents the following project monitoring and evaluation components: ...

  5. ,Altitudinal distribution of monthly norms of precipitation on the northern slope of the Kyrgyz range (Kyrgyzstan)

    E-Print Network [OSTI]

    Richner, Heinz

    range (Kyrgyzstan) Korobitsina . 1. Introduction Our main task was to identify territorial distribution of precipitation on the northern slope of the Kyrgyz range (NSKR) (within Kyrgyzstan), where over 30 rivers, widely

  6. Support Groups, Marriage, and the Management of Ambiguity among HIV-Positive Women in Northern Nigeria

    E-Print Network [OSTI]

    Rhine, Kathryn Angela

    2009-03-01T23:59:59.000Z

    -positive women in northern Nigeria have appropriated a support group to facilitate their marriage arrangements. In this group, women negotiate the threats of stigma and the promises of respectable marriage through what I call the management of ambiguity...

  7. Rural development in practice? The experience of the Khomani bushmen in the Northern Cape, South Africa

    E-Print Network [OSTI]

    Grant, Julie

    2012-06-29T23:59:59.000Z

    This thesis analyses the dynamics, complexities and numerous obstacles that serve to constrain rural development within the Khomani Community of the Northern Cape Province, South Africa. Following the end of Apartheid, ...

  8. Sixth Annual Colorado Rare Plant Symposium Overview of G2 Plants of Northern Colorado

    E-Print Network [OSTI]

    Sixth Annual Colorado Rare Plant Symposium Overview of G2 Plants of Northern Colorado 9:00 am - 4 Anticlea (Zigadenus) vaginatus 3:15 Rare Plant Conservation Initiative CNHP/TNC 4:00 Adjourn #12;

  9. Indication of transpressional tectonics in the Gullfaks oil-field, northern North Sea

    E-Print Network [OSTI]

    Fossen, Haakon

    Indication of transpressional tectonics in the Gullfaks oil-field, northern North Sea Haakon Fossen, the structure is characterized by a very marked late Kimmerian unconformity which sepa- rates extensively

  10. NV Energy (Northern Nevada Gas)- SureBet Business Energy Efficiency Rebate Program (Nevada)

    Broader source: Energy.gov [DOE]

    Commercial, industrial and institutional natural gas customers of NV Energy can take advantage of a wide variety of incentives for retrofit projects. Only customers in Northern Nevada (Reno-Sparks...

  11. Ceramic filter manufacturing in Northern Ghana : water storage and quality control

    E-Print Network [OSTI]

    Kleiman, Shanti Lisa

    2011-01-01T23:59:59.000Z

    In 2009, Pure Home Water (PHW), a Ghana based non-profit organization working to provide affordable and safe drinking water to people in the Northern Region of Ghana, began the construction of a ceramic pot filter (CPF) ...

  12. Serpentinites in a Tertiary subduction complex in the northern Dominican Repub-

    E-Print Network [OSTI]

    and the global mass balance. Serpentinites are abundant in the northern Dominican Republic on Hispaniola (Fig. 1 their origins and the im- plications for syn- and post-subduction processes. GEOLOGICAL SETTING Hispaniola

  13. Household water treatment and safe storage options for Northern Region Ghana : consumer preference and relative cost

    E-Print Network [OSTI]

    Green, Vanessa (Vanessa Layton)

    2008-01-01T23:59:59.000Z

    A range of household water treatment and safe storage (HWTS) products are available in Northern Region Ghana which have the potential to significantly improve local drinking water quality. However, to date, the region has ...

  14. Hemispheric ceramic pot filter evaluation and quality assurance program in Northern Ghana

    E-Print Network [OSTI]

    Miller, Matthew Rhodes

    2012-01-01T23:59:59.000Z

    Pure Home Water (PHW) is a non-profit based in Ghana that seeks to bring safe drinking water to those most in need in Northern Ghana through the production, sale, and distribution of ceramic pot filters (CPF) and other ...

  15. Pilot study of horizontal roughing filtration in northern Ghana as pretreatment for highly turbid dugout water

    E-Print Network [OSTI]

    Losleben, Tamar

    2008-01-01T23:59:59.000Z

    In Northern Region Ghana (NRG), highly turbid rainwater runoff and intermittent streams are collected in earthen dams called dugouts. These dams serve as many communities' main source of drinking and domestic water despite ...

  16. A review of high-temperature geothermal developments in the Northern...

    Open Energy Info (EERE)

    review of high-temperature geothermal developments in the Northern Basin and Range Province Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: A review of...

  17. Residential insecticide usage in northern California homes with young XIANGMEI (MAY) WUa

    E-Print Network [OSTI]

    Leistikow, Bruce N.

    Residential insecticide usage in northern California homes with young children XIANGMEI (MAY) WUa of Health and Environment, Seoul National University, Seoul, South Korea Residential insecticide usage and August 2008. Structured telephone interviews were conducted collecting information on residential use

  18. Mid-Late Holocene environmental change in northern Sweden: an investigation using fossil insect remains

    E-Print Network [OSTI]

    Khorasani, Sara

    2013-11-28T23:59:59.000Z

    For the first time, Mid-Late Holocene insect fossil assemblages were studied from inland northern Sweden, producing new evidence relating to both natural environmental changes and human impacts. The insect fossil ...

  19. Not Quite Shamans: Spirit Worlds and Political Lives in Northern Mongolia by Morten Axel Pedersen (review)

    E-Print Network [OSTI]

    Buyandelger, Manduhai

    Not Quite Shamans is a welcome contribution to the literature on the occult and supernatural, shamanism, postsocialism, and Mongolia. Morten Axel Pedersen conducted his fieldwork in northern Mongoliain Shishged Depression ...

  20. Occurrence of gas hydrate in Oligocene Frio sand: Alaminos Canyon Block 818: Northern Gulf of Mexico

    E-Print Network [OSTI]

    Boswell, R.D.

    2010-01-01T23:59:59.000Z

    and quantification of gas hydrates using rock physics andAdvances in the Study of Gas Hydrates. Kluwer, New York, pp.and Salt Inhibition of Gas Hydrate Formation in the Northern

  1. Late Holocene isotopic and sedimentologic records contained in carbonate lagoonal cores, northern Little Bahama Bank

    E-Print Network [OSTI]

    Canova, Judy Lynn

    1988-01-01T23:59:59.000Z

    LATE HOLOCENE ISOTOPIC AND SEDIMENTOLOGIC RECORDS CONTAINED IN CARBONATE LAGOONAL CORES, NORTHERN UTTLE BAHAMA BANK A Thesis by JUDY LYNN CANOVA Submitted to the Graduate College of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE May 1988 Major Subject: Geology LATE HOLOCENE ISOTOPIC AND SEDIMENTOLOGIC RECORDS CONTAINED IN CARBONATE LAGOONAL CORES, NORTHERN LITTLE BAHAMA BANK A Thesis by Judy Lynn Canova Approved as to style...

  2. Report of an internship on northern bobwhite management in the South Plains of Texas

    E-Print Network [OSTI]

    McKone, Peter D

    1991-01-01T23:59:59.000Z

    Record of Study REPORT OF AN INTERNSHIP ON NORTHERN BOBWHITE MANAGEMENT IN THE SOUTH PLAINS OF TEXAS A PROFESSIONAL PAPER by Peter D. McKone Submitted to the College of Agriculture of Texas AQI University in partial fulfillment... of the requirements for the degree of MASTER OF AGRICULTURE August 1991 Wildlife and Fisheries Sciences Department Fisheries Science REPORT OF AN INTERNSHIP ON NORTHERN BOBNHITE MANAGEMENT IN THE SOUTH PLAINS OF TEXAS A Professional Paper by Peter D. Mc...

  3. Geomorphology of plutonium in the Northern Rio Grande

    SciTech Connect (OSTI)

    Graf, W.L. [Arizona Univ., Tempe, AZ (United States). Dept., of Geography

    1993-03-01T23:59:59.000Z

    Nearly all of the plutonium in the natural environment of the Northern Rio Grande is associated with soils and sediment, and river processes account for most of the mobility of these materials. A composite regional budget for plutonium based on multi-decadal averages for sediment and plutonium movement shows that 90 percent of the plutonium moving into the system is from atmospheric fallout. The remaining 10 percent is from releases at Los Alamos. Annual variation in plutonium flux and storage exceeds 100 percent. The contribution to the plutonium budget from Los Alamos is associated with relatively coarse sediment which often behaves as bedload in the Rio Grande. Infusion of these materials into the main stream were largest in 1951, 1952, 1957, and 1968. Because of the schedule of delivery of plutonium to Los Alamos for experimentation and weapons manufacturing, the latter two years are probably the most important. Although the Los Alamos contribution to the entire plutonium budget was relatively small, in these four critical years it constituted 71--86 percent of the plutonium in bedload immediately downstream from Otowi.

  4. Turkana Grits - a Cretaceous braided alluvial system in northern Kenya

    SciTech Connect (OSTI)

    Handford, C.R.

    1987-05-01T23:59:59.000Z

    Rather spotty but excellent exposures of the Cretaceous-age Turkana Grits occur near the western shore of Lake Turkana, northern Kenya. These very coarse to pebbly arkosic sandstones and sandy conglomerates were derived from and rest unconformably upon Precambrian metamorphic basement; they are overlain by late Tertiary basaltic flows that comprise much of the volcanics in the East African Rift Zone. The formation ranges up to 2000 ft thick in the Laburr Range. Several outcrops contain sauropod, crocodile, and tortoise remains as well as abundant trunks of petrified wood (Dryoxylon). Five major facies make up the Turkana Grits and record a major episode of continental fluvial deposition in basins flanked by Precambrian basement. Facies 1 is crudely stratified, cobble and boulder conglomerate (clast-supported); Facies 2 is crudely stratified pebble-cobble conglomerate and pebbly sandstone; Facies 3 is trough cross-bedded, very coarse sandstones containing fossils wood and vertebrate remains; Facies 4 is crudely stratified to massive sandstones with ironstone nodules; and Facies 5 is red, purple, and gray mudstone and mud shale with carbonate nodules. Facies 1 through 3 record deposition in proximal to medial braided-stream channel, longitudinal bar and dune complexes. Facies 4 is a lowland, hydromorphic paleosol, and Facies 5 represents overbank and abandoned channel-fill sedimentation in an alluvial plain.

  5. Apacheta, a new geothermal prospect in Northern Chile

    SciTech Connect (OSTI)

    Urzua, Luis; Powell, Tom; Cumming, William B.; Dobson, Patrick

    2002-05-24T23:59:59.000Z

    The discovery of two high-temperature fumaroles, with gas geochemistry compatible with an economic geothermal system, established Apacheta as one of the most attractive geothermal exploration prospects in northern Chile. These remote fumaroles at 5,150 m elevation were first sampled in 1999 by ENAP and its partners, following up on the reports of a CODELCO water exploration well that flowed small amounts of dry steam at 4,540 m elevation in the valley 4.5 km east of the fumaroles. The prospect is associated with a Plio-Pleistocene volcanic complex located within a NW-trending graben along the axis of the high Andes. The regional water table is 4,200 masl. There are no hot springs, just the 88 degrees C steam well and the 109 degrees and 118 degrees C fumaroles with gas compositions that indicate reservoir temperatures of greater than or equal to 250 degrees C, using a variety of gas geothermometers. An MT-TDEM survey was completed in 2001-2002 by Geotermica del Norte (SDN), an ENAP-C ODELCO partnership, to explore the Apacheta geothermal concession. The survey results indicated that base of the low resistivity clay cap has a structural apex just west of the fumaroles, a pattern typically associated with shallow permeability within a high temperature geothermal resource. SGN plans to drill at least one exploration well in 2002-03 to characterize a possible economic resource at Apacheta.

  6. Regional setting of Niobrara Formation in Northern Great Plains

    SciTech Connect (OSTI)

    Shurr, G.W.

    1984-05-01T23:59:59.000Z

    Natural gas is currently produced from the Upper Cretaceous Niobrara Formation in northeastern Colorado, northwestern Kansas, and several small fields in Nebraska. As a part of studies of low-permeability gas reservoirs in the northern Great Plains, the regional geologic setting of the Niobrara has been investigated in North Dakota, South Dakota, and Nebraska. Structural contours of the Ardmore Bentonite Bed suggest that the area of thin Niobrara strata presently approximates the south flank of the Williston basin and north flank of the Denver and Kennedy basins. Chalk tongues are interpreted as low-angle shelf surfaces, known as carbonate ramps, which sloped gently to the northwest and southeast off a paleotectonic high. The paleotectonic high cut obliquely across the seaway and was close to the position of the Transcontinental arch that influenced Paleozoic sedimentation. As a result, the present-day stratigraphy and structural setting of the Niobrara are different north and south of the arch crest. 58 references, 13 figures, 1 table.

  7. United States Department of

    E-Print Network [OSTI]

    ;Patrick H. Brose Kurt W. Gottschalk Stephen B. Horsley Peter D. Knopp James N. Kochenderfer Barbara J. Mc. BROSE is a research forester with the U.S. Forest Service's Northern Research Station at Irvine

  8. 1994 Northern Goshawk inventory on portions of Los Alamos National Laboratory, Los Alamos, NM

    SciTech Connect (OSTI)

    Sinton, D.T.; Kennedy, P.L. [Colorado State Univ., Fort Collins, CO (United States)

    1995-01-01T23:59:59.000Z

    Northern goshawks (Accipiter gentilis) (hereafter referred to as goshawk) are large forest dwelling hawks. They are the largest species of the Accipiter genus which also includes sharp-shinned hawks (A. striatus) and the Cooper`s hawk (A. cooperii). Goshawks are holarctic in distribution and nest in coniferous, deciduous, and mixed species forests. In the southwest they primarily nest in ponderosa pine (Pinus ponderosa), mixed species, and spruce-fir forests. Goshawks may be declining in population and reproduction in the southwestern United States. In 1982 the USDA-Forest Service listed the goshawk as a {open_quotes}sensitive species{close_quotes} and in 1992 the U.S. Fish and Wildlife Service listed the goshawk as a {open_quotes}Category 2 species{close_quotes} in accordance with the Endangered Species Act. Reasons for the possible decline in goshawk populations include timber harvesting resulting in the loss of nesting habitat, toxic chemicals, and the effects of drought, fire, and disease. Thus, there is a need to determine their population status and assess impacts of management activities in potential goshawk habitat. Goshawk inventory was conducted during the 1993 nesting season with no adult goshawk responses detected within the LANL survey area. As noted by Sinton and Kennedy, these results may be interpreted in several ways: (1) no goshawk territory(ies) occur in the inventoried area; (2) goshawk territory(ies) exist but have failed prior to the survey and thus were not detected; or (3) territory(ies) exist and were successful but the goshawks did not respond to tapes or their responses were undetected by the observer. For those reasons, a goshawk inventory was conducted in 1994. This report summarizes the results of this inventory.

  9. Geothermal regimes of the Clearlake region, northern California

    SciTech Connect (OSTI)

    Amador, M. [ed.; Burns, K.L.; Potter, R.M.

    1998-06-01T23:59:59.000Z

    The first commercial production of power from geothermal energy, at The Geysers steamfield in northern California in June 1960, was a triumph for the geothermal exploration industry. Before and since, there has been a search for further sources of commercial geothermal power in The Geysers--Clear Lake geothermal area surrounding The Geysers. As with all exploration programs, these were driven by models. The models in this case were of geothermal regimes, that is, the geometric distribution of temperature and permeability at depth, and estimates of the physical conditions in subsurface fluids. Studies in microseismicity and heat flow, did yield geophysical information relevant to active geothermal systems. Studies in stable-element geochemistry found hiatuses or divides at the Stoney Creek Fault and at the Collayomi Fault. In the region between the two faults, early speculation as to the presence of steamfields was disproved from the geochemical data, and the potential existence of hot-water systems was predicted. Studies in isotope geochemistry found the region was characterized by an isotope mixing trend. The combined geochemical data have negative implications for the existence of extensive hydrothermal systems and imply that fluids of deep origin are confined to small, localized systems adjacent to faults that act as conduits. There are also shallow hot-water aquifers. Outside fault-localized systems and hot-water aquifers, the area is an expanse of impermeable rock. The extraction of energy from the impermeable rock will require the development and application of new methods of reservoir creation and heat extraction such as hot dry rock technology.

  10. Recovery Act State Memos Alaska

    Energy Savers [EERE]

    generation plant, district heating system, and interconnection which will help provide energy to eight communities in the Northern Bristol Bay area. The University of Alaska...

  11. University of Northern British Columbia College of Science and Management

    E-Print Network [OSTI]

    Bolch, Tobias

    206/Winter 2004 Modern Physics II Course Outline Course Description: Modern Physics II: Second part and superconductors, lasers, nuclear structure, radioactivity, nuclear reations, applications of nuclear physics, 4, 7, 9, 14 3 11 The Solid state 1 - 6 7, 12, 14, 16, 17 4 12 Superconductivity 1 - 11 5 13 Nuclear

  12. Host-defense peptides isolated from the skin secretions of the Northern red-legged frog Rana aurora aurora

    E-Print Network [OSTI]

    Davidson, Carlos

    Host-defense peptides isolated from the skin secretions of the Northern red-legged frog Rana aurora aurora J. Michael Conlona,*, Agnes Sonnevendb , Carlos Davidsonc , Anni Demandtd , Thierry Jouennee-stimulated skin secretions of the Northern red-legged frog Rana aurora aurora and their primary structures

  13. The Tambien Group, Northern Ethiopia (Tigre) NATHAN R. MILLER1*, DOV AVIGAD2, ROBERT J. STERN3 & MICHAEL BEYTH4

    E-Print Network [OSTI]

    Stern, Robert J.

    Chapter 21 The Tambien Group, Northern Ethiopia (Tigre) NATHAN R. MILLER1*, DOV AVIGAD2, ROBERT J (e-mail: nrmiller@mail.utexas.edu) Abstract: The Tambien Group of northern Ethiopia (Tigre Ethiopia within an intra-oceanic setting that was likely far removed from cratonic hinterlands. More work

  14. Aspen, Elk, and Fire in Northern Yellowstone Park William H. Romme; Monica G. Turner; Linda L. Wallace; Jennifer S. Walker

    E-Print Network [OSTI]

    Turner, Monica G.

    Aspen, Elk, and Fire in Northern Yellowstone Park William H. Romme; Monica G. Turner; Linda L of America ASPEN, ELK, AND FIRE IN NORTHERN YELLOWSTONE NATIONAL PARK1 WILLIAMH. ROMME Depu~trnent of B WALKER ALUConrlrltrr~g,Brg Tnnher. Monruilu 5901I USA Abstract. Most stands of trembling aspen (Populus

  15. Compiling Esterel Better Circuits

    E-Print Network [OSTI]

    _state = STANDBY_PWR_DN; end else if (valid_diag_window | ibuf_full | jmp_e) begin next_state = cur_state; end else STANDBY_PWR_DN: begin if(!pcsu_powerdown | jmp_e ) begin next_state = IDLE; end else next_state = STANDBY_PWR

  16. Amended Notice of Intent for the Northern Pass Transmission Line Project Published in the Federal Register

    Broader source: Energy.gov [DOE]

    The Department of Energy announces its intent to modify the scope of the Northern Pass Transmission Line Project Environmental Impact Statement and to conduct additional public scoping meetings. The Federal Register Notice, which is now available for downloading, includes information on how to submit comments and participate in the additional public scoping meetings.

  17. The Great Alaskan Terrane Wreck: reconciliation of paleomagnetic and geological data in the northern Cordillera

    E-Print Network [OSTI]

    Johnston, Stephen T.

    in the northern Cordillera Stephen T. Johnston * School of Earth and Ocean Sciences, University of Victoria, P.O. Box 3055 STN CSC, Victoria, BC, Canada V8W 3P6 Received 26 June 2001; received in revised form 19 August 2001; accepted 11 September 2001 Abstract Paleomagnetic studies place much of the Cordilleran

  18. Early Migratory Behavior of Northern Fur Seal (Callorhinus ursinus) Pups from Bering Island, Russia

    E-Print Network [OSTI]

    Lee, Olivia Astillero

    2012-07-16T23:59:59.000Z

    .................................................................................................... 102 xiii FIGURE Page 20 Calculation of fractal dimension using V fractals in which the dividers walked along the path... increases in population growth without long lag periods between the end of harvests and an increase in population size, but other policies were far less successful. Fig. 1. Northern fur seal breeding populations and species range (yellow). One...

  19. Clay minerals in late glacial and Holocene sediments of the northern and southern Aegean Sea

    E-Print Network [OSTI]

    Siebel, Wolfgang

    Clay minerals in late glacial and Holocene sediments of the northern and southern Aegean Sea Werner Different source areas, oceanography and climate regimes influenced the clay mineral assemblages and grain and the Holocene. In the North Aegean Sea, clay mineral composition is mainly controlled by sea level evolution

  20. 8 The Numerical Wind Atlas for North-ern Portugal and Galicia

    E-Print Network [OSTI]

    Portugal and Gali- cia The simulations will be compared with data from the from the European Wind Atlas8 The Numerical Wind Atlas for North- ern Portugal and Galicia 8.1 Topography for Northern Portugal, 1500, 3100, and 5700 m. Geostrophic winds were calculated at these heights. The geostrophic wind

  1. University of Northern British Columbia Ecosystem Science & Management Program-CSAM

    E-Print Network [OSTI]

    Massicotte, Hugues

    plants. Knowledge of the procedures for collecting, preserving, and cataloguing plant material. 2University of Northern British Columbia Ecosystem Science & Management Program-CSAM FSTY-201 PLANT should have the following knowledge, skills and abilities: 1. Understanding of the concepts and methods

  2. Tropospheric SF6: Age of air from the Northern Hemisphere midlatitude surface

    E-Print Network [OSTI]

    Waugh, Darryn W.

    Tropospheric SF6: Age of air from the Northern Hemisphere midlatitude surface D. W. Waugh,1 A. M 2013. [1] Observations of SF6 are used to quantify the mean time since air was in ("mean age" from. Comparisons of simulated SF6 and an idealized clock tracer confirm that the time lag between the SF6 mixing

  3. Luminescence sensitivities of quartz grains from eolian deposits in northern China and their implications for provenance

    E-Print Network [OSTI]

    Wang, Wei Hua

    2011 Keywords: Eolian deposit Provenance Luminescence sensitivity Quartz The thermoluminescence (TL sequences are used to trace eolian provenances in northern China. Our results indicate that the 110°C TL to study the provenance of deserts. Optical stimulated luminescence dating (OSL) has been successfully used

  4. Shrews in Managed Northern Hardwood Stands in the Allegheny Mountains of West Virginia

    E-Print Network [OSTI]

    Shrews in Managed Northern Hardwood Stands in the Allegheny Mountains of West Virginia W. Mark Ford 26287 Chris A. Dobony, Division of Forestry, West Virginia University, Box 6125, Morgantown, WV 26506 John W. Edwards, Division of Forestry, West Virginia University, Box 6125, Morgantown, WV 26506

  5. Studies of cetacean distribution in the northern Gulf of Mexico have largely

    E-Print Network [OSTI]

    isotherm, surface chlorophyll concentration, and epipelagic zooplankton biomass. Bottle- nose dolphins were of these species, the bottle- Cetacean habitats in the northern Gulf of Mexico Mark F. Baumgartner Southeast) characterized by deep occur- rences of the 15°C isotherm. Habitat partitioning, high-use areas, species accounts

  6. Lessons Learned on 50,000 acres of Plantation in Northern California1

    E-Print Network [OSTI]

    Standiford, Richard B.

    Lessons Learned on 50,000 acres of Plantation in Northern California1 Jeff Webster and Ed Fredrickson2 Abstract Many lessons have been learned during reforestation of large wildfires and clearcuts), and Finley Fire (1990). The lessons learned from these fires were aggressively applied to the Fountain Fire

  7. The Effect of Ozone Stomatal Conductance on Isoprene Emissions above a Northern Hardwood Forest

    E-Print Network [OSTI]

    Collins, Gary S.

    The Effect of Ozone Stomatal Conductance on Isoprene Emissions above a Northern Hardwood Forest also acts as an antioxidant within a plant, reacting and neutralizing ozone and peroxides, though , and reacts photochemically in the presence of NOx to produce tropospheric ozone. The Model of Emissions

  8. Sustainability Report [2007-2012] for the University of Northern British Columbia (UNBC)

    E-Print Network [OSTI]

    Owens, Philip

    Sustainability Report [2007-2012] for the University of Northern British Columbia (UNBC) 3333 and energy conservation, `green' transportation, carbon emission reductions, `green' teaching and research sustainability report. The accomplishments and activities presented here span the years from 2007 to 2012

  9. NOAA Technical Memorandum ERL GLERL-33 CATEGORIZATION OF NORTHERN GREEN BAY ICE COVER

    E-Print Network [OSTI]

    NOAA Technical Memorandum ERL GLERL-33 CATEGORIZATION OF NORTHERN GREEN BAY ICE COVER USING LANDSAT the group means for snow- covered ice (group 15). 4. Comparison of LANDSAT 1 band 4 and band 7 to illustrate the influence of water on the tone of ice cover. 5. Mean digital counts of training sets--bands 4, 5, 6, and 7

  10. The epibenthic megafauna of the northern Gulf of Mexico continental slope

    E-Print Network [OSTI]

    Ziegler, Matthew Peek

    2002-01-01T23:59:59.000Z

    The epibenthic megafauna of the continental slope and abyssal plain of the northern Gulf of Mexico have been investigated using multi-shot bottom photography. A total of 10,388 photographs were analyzed from 100 sites encompassing a total area...

  11. Long-term ecosystem level experiments at Toolik Lake, Alaska, and at Abisko, Northern Sweden: generalizations

    E-Print Network [OSTI]

    Long-term ecosystem level experiments at Toolik Lake, Alaska, and at Abisko, Northern Sweden: generalizations and differences in ecosystem and plant type responses to global change M . T. VA N W I J K *w , K, Darwin Building, King Buildings, Mayfield Road, Edinburgh EH9 3JU, UK, wThe Ecosystem Center, Marine

  12. Links between biomass and tree demography in a northern hardwood forest: a decade of stability

    E-Print Network [OSTI]

    Battles, John

    Links between biomass and tree demography in a northern hardwood forest: a decade of stability recent trends in tree biomass and demography. We found no significant change in live-tree biomass during the decade. Total biomass was 246 Mgha1 (95%CI = 235258) in 19951996 and 245 Mgha1 (95%CI = 234

  13. Optimal Wind Conditions for the Survival of Larval Northern Anchovy, Engraulis mordax

    E-Print Network [OSTI]

    . There is a statistically sig- nificant relation between larva mortality rate and the frequency of calm, low wind speed periOptimal Wind Conditions for the Survival of Larval Northern Anchovy, Engraulis mordax: A Modeling- puter modeling. The hypothesis was as follows. While wind events dissipate layers of planktonic food

  14. Community structure of deep-sea bivalve mollusks from the northern Gulf of Mexico

    E-Print Network [OSTI]

    Chen, Min

    2004-09-30T23:59:59.000Z

    Density, species diversity, species richness, and evenness of bivalve mollusks were measured in the deep (0.2km to 3.7km) northern Gulf of Mexico to describe the community structure of benthic bivalve mollusks. Density decreased gradually from...

  15. Upper Carboniferous Insects from the Pottsville Formation of Northern Alabama (Insecta: Ephemeropterida, Palaeodictyopterida, Odonatoptera)

    E-Print Network [OSTI]

    Beckemeyer, Roy J.; Engel, Michael S.

    2011-10-21T23:59:59.000Z

    coal zone, in northern Alabama from localities associated with strip mines. All the sites are in the Black Warrior coal basin (Murrie et al., 1976); two are in Walker County and one in Tuscaloosa County (Fig. 1). Most of the fossils...

  16. Modeling hazardous fire potential within a completed fuel treatment network in the northern Sierra Nevada

    E-Print Network [OSTI]

    Stephens, Scott L.

    fuel models in treated areas had much less impact on hazardous fire potential, indicating a robust in untreated areas over time, result- ing in an increase in overall fire hazard. This suggests additionalModeling hazardous fire potential within a completed fuel treatment network in the northern Sierra

  17. Impact of the red imported fire ant on newly hatched northern bobwhite

    E-Print Network [OSTI]

    Pedersen, Elena Kalleso

    1994-01-01T23:59:59.000Z

    The response of northern bobwhite (Colinus virginianus) to the presence of red imported fire ants (Solenopsis invicta) during the first 6 days post-hatching was examined in a 9-week-field experiment during spring and summer 1993 in southeastern...

  18. AIR ACCESSIBILITY IN NORTHERN CANADA: PROSPECTS AND LESSONS FOR REMOTE COMMUNITIES

    E-Print Network [OSTI]

    1 AIR ACCESSIBILITY IN NORTHERN CANADA: PROSPECTS AND LESSONS FOR REMOTE COMMUNITIES Alda Metrass of remote and arctic communities in a context of liberalization of the aviation industry. The central service to small remote communities on a year-round basis and in compliance with safety regulations, (b

  19. Cosmogenic nuclide surface exposure ages from Nordland, northern Norway: implications for

    E-Print Network [OSTI]

    , northern Norway: implications for deglaciation in a coast to inland transect. Norwegian Journal of Geology for deglaciation in a coast to inland transect Henriette Linge, Lars Olsen, Edward J. Brook, Jessica R. Darter. At the coast, 10 Be data indicate rapid deglaciation of the island mya at about 14.3 0.4 10 Be ka (n=9

  20. Langfjordjkelen, a rapidly shrinking glacier in northern Norway Liss M. ANDREASSEN,1

    E-Print Network [OSTI]

    Rasmussen, L.A.

    Langfjordjøkelen, a rapidly shrinking glacier in northern Norway Liss M. ANDREASSEN,1 Bjarne Directorate (NVE), Oslo, Norway E-mail: lma@nve.no 2 University of Washington, Seattle, WA, USA 3 The Norwegian Meteorological Institute, Oslo, Norway ABSTRACT. In this paper we document changes