National Library of Energy BETA

Sample records for gmrec lcoe levelized

  1. GMREC | OpenEI Community

    Open Energy Info (EERE)

    GMREC Home Kch's picture Submitted by Kch(24) Member 15 July, 2014 - 07:07 MHK Cost Breakdown Structure Draft CBS current energy GMREC LCOE levelized cost of energy marine energy...

  2. LCOE | OpenEI Community

    Open Energy Info (EERE)

    LCOE Home Kch's picture Submitted by Kch(24) Member 15 July, 2014 - 07:07 MHK Cost Breakdown Structure Draft CBS current energy GMREC LCOE levelized cost of energy marine energy...

  3. levelized cost of energy | OpenEI Community

    Open Energy Info (EERE)

    levelized cost of energy Home Kch's picture Submitted by Kch(24) Member 15 July, 2014 - 07:07 MHK Cost Breakdown Structure Draft CBS current energy GMREC LCOE levelized cost of...

  4. Levelized cost of energy (LCOE) metric to characterize solar absorber coatings for the CSP industry

    SciTech Connect (OSTI)

    Boubault, Antoine; Ho, Clifford K.; Hall, Aaron; Lambert, Timothy N.; Ambrosini, Andrea

    2015-07-08

    The contribution of each component of a power generation plant to the levelized cost of energy (LCOE) can be estimated and used to increase the power output while reducing system operation and maintenance costs. The LCOE is used in order to quantify solar receiver coating influence on the LCOE of solar power towers. Two new parameters are introduced: the absolute levelized cost of coating (LCOC) and the LCOC efficiency. Depending on the material properties, aging, costs, and temperature, the absolute LCOC enables quantifying the cost-effectiveness of absorber coatings, as well as finding optimal operating conditions. The absolute LCOC is investigated for different hypothetic coatings and is demonstrated on Pyromark 2500 paint. Results show that absorber coatings yield lower LCOE values in most cases, even at significant costs. Optimal reapplication intervals range from one to five years. At receiver temperatures greater than 700 C, non-selective coatings are not always worthwhile while durable selective coatings consistently reduce the LCOEup to 12% of the value obtained for an uncoated receiver. Moreover the absolute LCOC is a powerful tool to characterize and compare different coatings, not only considering their initial efficiencies but also including their durability.

  5. Levelized cost of energy (LCOE) metric to characterize solar absorber coatings for the CSP industry

    SciTech Connect (OSTI)

    Boubault, Antoine; Ho, Clifford K.; Hall, Aaron; Lambert, Timothy N.; Ambrosini, Andrea

    2015-07-08

    The contribution of each component of a power generation plant to the levelized cost of energy (LCOE) can be estimated and used to increase the power output while reducing system operation and maintenance costs. The LCOE is used in order to quantify solar receiver coating influence on the LCOE of solar power towers. Two new parameters are introduced: the absolute levelized cost of coating (LCOC) and the LCOC efficiency. Depending on the material properties, aging, costs, and temperature, the absolute LCOC enables quantifying the cost-effectiveness of absorber coatings, as well as finding optimal operating conditions. The absolute LCOC is investigated for different hypothetic coatings and is demonstrated on Pyromark 2500 paint. Results show that absorber coatings yield lower LCOE values in most cases, even at significant costs. Optimal reapplication intervals range from one to five years. At receiver temperatures greater than 700 °C, non-selective coatings are not always worthwhile while durable selective coatings consistently reduce the LCOE—up to 12% of the value obtained for an uncoated receiver. Moreover the absolute LCOC is a powerful tool to characterize and compare different coatings, not only considering their initial efficiencies but also including their durability.

  6. Levelized cost of energy (LCOE) metric to characterize solar absorber coatings for the CSP industry

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Boubault, Antoine; Ho, Clifford K.; Hall, Aaron; Lambert, Timothy N.; Ambrosini, Andrea

    2015-07-08

    The contribution of each component of a power generation plant to the levelized cost of energy (LCOE) can be estimated and used to increase the power output while reducing system operation and maintenance costs. The LCOE is used in order to quantify solar receiver coating influence on the LCOE of solar power towers. Two new parameters are introduced: the absolute levelized cost of coating (LCOC) and the LCOC efficiency. Depending on the material properties, aging, costs, and temperature, the absolute LCOC enables quantifying the cost-effectiveness of absorber coatings, as well as finding optimal operating conditions. The absolute LCOC is investigatedmore » for different hypothetic coatings and is demonstrated on Pyromark 2500 paint. Results show that absorber coatings yield lower LCOE values in most cases, even at significant costs. Optimal reapplication intervals range from one to five years. At receiver temperatures greater than 700 °C, non-selective coatings are not always worthwhile while durable selective coatings consistently reduce the LCOE—up to 12% of the value obtained for an uncoated receiver. Moreover the absolute LCOC is a powerful tool to characterize and compare different coatings, not only considering their initial efficiencies but also including their durability.« less

  7. LCOE and LACE: Seeking Simplicity

    Gasoline and Diesel Fuel Update (EIA)

    LCOE and LACE Seeking Simplicity Michael Leifman GE Power & Water Marketing Presented to the EIA LCOE/LACE Workshop July 25, 2013 © 2013 General Electric Company. All Rights Reserved 2 GE Power & Water July 25, 2013 A love-hate relationship * We love Levelized Cost of Electricity (LCOE) because it is simple * Everything is boiled down to one number * Provides an easy point of comparison across technologies * Serves as a shorthand for many dimensions BUT * LCOE masks many site-specific

  8. Global Marine Renewable Energy Conference (GMREC) | OpenEI Community

    Open Energy Info (EERE)

    Global Marine Renewable Energy Conference (GMREC) Home > Groups > Water Power Forum Kch's picture Submitted by Kch(24) Member 3 April, 2013 - 14:26 The 6th annual Global Marine...

  9. LCOEs and Renewables

    Gasoline and Diesel Fuel Update (EIA)

    Victor Niemeyer Program Manager, Energy and Environmental Policy Analysis and Company Strategy Program EIA LCOE/LACE Workshop July 25, 2013 LCOEs and Renewables 2 © 2013 Electric Power Research Institute, Inc. All rights reserved. EPRI Generation Options Report Provides Excellent Example of LCOE Use By Robin Bedillion of EPRI's Strategic Energy Analysis Group Reference: EPRI Report 1026656 (free from EPRI.com, search for "1026656") 3 © 2013 Electric Power Research Institute, Inc. All

  10. LCOE Uncertainty Analysis for Hydropower using Monte Carlo Simulations

    SciTech Connect (OSTI)

    Chalise, Dol Raj; O'Connor, Patrick W; DeNeale, Scott T; Uria Martinez, Rocio; Kao, Shih-Chieh

    2015-01-01

    Levelized Cost of Energy (LCOE) is an important metric to evaluate the cost and performance of electricity production generation alternatives, and combined with other measures, can be used to assess the economics of future hydropower development. Multiple assumptions on input parameters are required to calculate the LCOE, which each contain some level of uncertainty, in turn affecting the accuracy of LCOE results. This paper explores these uncertainties, their sources, and ultimately the level of variability they introduce at the screening level of project evaluation for non-powered dams (NPDs) across the U.S. Owing to site-specific differences in site design, the LCOE for hydropower varies significantly from project to project unlike technologies with more standardized configurations such as wind and gas. Therefore, to assess the impact of LCOE input uncertainty on the economics of U.S. hydropower resources, these uncertainties must be modeled across the population of potential opportunities. To demonstrate the impact of uncertainty, resource data from a recent nationwide non-powered dam (NPD) resource assessment (Hadjerioua et al., 2012) and screening-level predictive cost equations (O Connor et al., 2015) are used to quantify and evaluate uncertainties in project capital and operations & maintenance costs, and generation potential at broad scale. LCOE dependence on financial assumptions is also evaluated on a sensitivity basis to explore ownership/investment implications on project economics for the U.S. hydropower fleet. The results indicate that the LCOE for U.S. NPDs varies substantially. The LCOE estimates for the potential NPD projects of capacity greater than 1 MW range from 40 to 182 $/MWh, with average of 106 $/MWh. 4,000 MW could be developed through projects with individual LCOE values below 100 $/MWh. The results also indicate that typically 90 % of LCOE uncertainty can be attributed to uncertainties in capital costs and energy production; however

  11. New Report Shows Downward Trend in LCOE for Wind | Department...

    Office of Environmental Management (EM)

    New Report Shows Downward Trend in LCOE for Wind New Report Shows Downward Trend in LCOE for Wind May 18, 2015 - 2:48pm Addthis A new report recently published by the U.S. ...

  12. ocean energy | OpenEI Community

    Open Energy Info (EERE)

    ocean energy Home Kch's picture Submitted by Kch(24) Member 15 July, 2014 - 07:07 MHK Cost Breakdown Structure Draft CBS current energy GMREC LCOE levelized cost of energy marine...

  13. current energy | OpenEI Community

    Open Energy Info (EERE)

    current energy Home Kch's picture Submitted by Kch(24) Member 15 July, 2014 - 07:07 MHK Cost Breakdown Structure Draft CBS current energy GMREC LCOE levelized cost of energy marine...

  14. CBS | OpenEI Community

    Open Energy Info (EERE)

    CBS Home Kch's picture Submitted by Kch(24) Member 15 July, 2014 - 07:07 MHK Cost Breakdown Structure Draft CBS current energy GMREC LCOE levelized cost of energy marine energy MHK...

  15. marine energy | OpenEI Community

    Open Energy Info (EERE)

    marine energy Home Kch's picture Submitted by Kch(24) Member 15 July, 2014 - 07:07 MHK Cost Breakdown Structure Draft CBS current energy GMREC LCOE levelized cost of energy marine...

  16. MHK Cost Breakdown Structure Draft | OpenEI Community

    Open Energy Info (EERE)

    MHK Cost Breakdown Structure Draft Home > Groups > Water Power Forum Kch's picture Submitted by Kch(24) Member 15 July, 2014 - 07:07 CBS current energy GMREC LCOE levelized cost of...

  17. Concentrating Solar Power: Advanced Projects Offering Low LCOE...

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

    Advanced Projects Offering Low LCOE Opportunities (CSP: APOLLO) Building upon the successful outcomes of the 2012 SunShot Concentrating Solar Power (CSP) Research & Development ...

  18. 51-Mile Hydroelectric Power Project Demonstration of new methodologies to reduce the LCOE for small, hydropower development

    Broader source: Energy.gov [DOE]

    51-Mile Hydroelectric Power Project Demonstration of new methodologies to reduce the LCOE for small, hydropower development

  19. Economic Competitiveness of U.S. Utility-Scale Photovoltaics Systems in 2015: Regional Cost Modeling of Installed Cost ($/W) and LCOE ($/kWh)

    SciTech Connect (OSTI)

    Fu, Ran; James, Ted L.; Chung, Donald; Gagne, Douglas; Lopez, Anthony; Dobos, Aron

    2015-06-14

    Utility-scale photovoltaics (PV) system growth is largely driven by the economic metrics of total installed costs and levelized cost of electricity (LCOE), which differ by region. This study details regional cost factors, including environment (wind speed and snow loads), labor costs, material costs, sales taxes, and permitting costs using a new system-level bottom-up cost modeling approach. We use this model to identify regional all-in PV installed costs for fixed-tilt and one-axis tracker systems in the United States with consideration of union and non-union labor costs in 2015. LCOEs using those regional installed costs are then modeled and spatially presented. Finally, we assess the cost reduction opportunities of increasing module conversion efficiencies on PV system costs in order to indicate the possible economic impacts of module technology advancements and help future research and development (R&D) effects in the context of U.S. SunShot targets.

  20. LBNL/NREL Analysis Predicts Record Low LCOE for Wind Energy in 2012-2013 |

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

    Department of Energy LBNL/NREL Analysis Predicts Record Low LCOE for Wind Energy in 2012-2013 LBNL/NREL Analysis Predicts Record Low LCOE for Wind Energy in 2012-2013 February 24, 2012 - 11:27am Addthis This is an excerpt from the First Quarter 2012 edition of the Wind Program R&D Newsletter. A recent analysis conducted by the Lawrence Berkley National Laboratory (LBNL) and the National Renewable Energy Laboratory (NREL) suggests that lower capital costs and continued increases in wind

  1. Funding Opportunity Announcement: Concentrating Solar Power: Advanced Projects Offering Low LCOE Opportunities

    Broader source: Energy.gov [DOE]

    The SunShot Initiative's Concentrating Solar Power: Advanced Projects Offering Low LCOE Opportunities (CSP: APOLLO) funding opportunity announcement (FOA) seeks transformative projects targeting all components of a concentrating solar power (CSP) plant. Projects should seek to meet the targets set out in the SunShot Vision Study , enabling CSP to become fully cost-competitive with traditional forms of electric power generation. Projects can address challenges in any technical system of the plant, including solar collectors, receivers and heat transfer fluids, thermal energy storage, power cycles, as well as operations and maintenance.

  2. An integrated analytical framework for quantifying the LCOE of waste-to-energy facilities for a range of greenhouse gas emissions policy and technical factors

    SciTech Connect (OSTI)

    Townsend, Aaron K.; Webber, Michael E.

    2012-07-15

    This study presents a novel integrated method for considering the economics of waste-to-energy (WTE) facilities with priced greenhouse gas (GHG) emissions based upon technical and economic characteristics of the WTE facility, MSW stream, landfill alternative, and GHG emissions policy. The study demonstrates use of the formulation for six different policy scenarios and explores sensitivity of the results to ranges of certain technical parameters as found in existing literature. The study shows that details of the GHG emissions regulations have large impact on the levelized cost of energy (LCOE) of WTE and that GHG regulations can either increase or decrease the LCOE of WTE depending on policy choices regarding biogenic fractions from combusted waste and emissions from landfills. Important policy considerations are the fraction of the carbon emissions that are priced (i.e. all emissions versus only non-biogenic emissions), whether emissions credits are allowed due to reducing fugitive landfill gas emissions, whether biogenic carbon sequestration in landfills is credited against landfill emissions, and the effectiveness of the landfill gas recovery system where waste would otherwise have been buried. The default landfill gas recovery system effectiveness assumed by much of the industry yields GHG offsets that are very close to the direct non-biogenic GHG emissions from a WTE facility, meaning that small changes in the recovery effectiveness cause relatively larger changes in the emissions factor of the WTE facility. Finally, the economics of WTE are dependent on the MSW stream composition, with paper and wood being advantageous, metal and glass being disadvantageous, and plastics, food, and yard waste being either advantageous or disadvantageous depending upon the avoided tipping fee and the GHG emissions price.

  3. Levelized Cost of Energy in US | OpenEI Community

    Open Energy Info (EERE)

    Levelized Cost of Energy in US Home I'd like to pull a cost comparison for the levelized cost of energy in the US. How do I do this on this site? Does the LCOE interactive table...

  4. LBNL/NREL Analysis Predicts Record Low LCOE for Wind Energy in...

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

    turbine productivity will drive down the levelized cost of wind energy for U.S. wind projects constructed in 2012 - 2013. Estimates focused on changes in capital costs and turbine ...

  5. LCOE and LACE

    Gasoline and Diesel Fuel Update (EIA)

    728 386 519 519 420 341 1981-2014 Natural Gas Nonassociated, Wet After Lease Separation 215 279 468 391 332 273 1981-2014 Natural Gas Associated-Dissolved, Wet After Lease Separation 513 107 51 128 88 68 1981-2014 Dry Natural Gas 701 371 502 502 402 327 1981-2014 Natural Gas Liquids (Million Barrels) 1981 Lease Separation

    15 279 468 391 332 273 1981-2014 Adjustments -8 115 53 158 -57 -34 1981-2014 Revision Increases 45 46 34 65 59 4 1981-2014 Revision Decreases 40 64 12 209 19 41

  6. OpenEI Community - LCOE

    Open Energy Info (EERE)

    Cost Breakdown Structure Draft http:en.openei.orgcommunitydocumentmhk-cost-breakdown-structure-draft

    The generalized Cost Breakdown Structure (CBS) for marine and...

  7. Overview of Levelized Cost of Energy in the AEO

    U.S. Energy Information Administration (EIA) Indexed Site

    Presented to the EIA Energy Conference June 17, 2013 Chris Namovicz Assessing the Economic Value of New Utility-Scale Renewable Generation Projects Overview * Levelized cost of energy (LCOE) has been used by planners, analysts, policymakers, advocates and others to assess the economic competitiveness of technology options in the electric power sector * While of limited usefulness in the analysis of "conventional" utility systems, this approach is not generally appropriate when

  8. Levelized cost of energy for a Backward Bent Duct Buoy

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Bull, Diana; Jenne, D. Scott; Smith, Christopher S.; Copping, Andrea E.; Copeland, Guild

    2016-07-18

    The Reference Model Project, supported by the U.S. Department of Energy, was developed to provide publicly available technical and economic benchmarks for a variety of marine energy converters. The methodology to achieve these benchmarks is to develop public domain designs that incorporate power performance estimates, structural models, anchor and mooring designs, power conversion chain designs, and estimates of the operations and maintenance, installation, and environmental permitting required. The reference model designs are intended to be conservative, robust, and experimentally verified. The Backward Bent Duct Buoy (BBDB) presented in this paper is one of three wave energy conversion devices studied withinmore » the Reference Model Project. Furthermore, comprehensive modeling of the BBDB in a Northern California climate has enabled a full levelized cost of energy (LCOE) analysis to be completed on this device.« less

  9. Water Power Forum | OpenEI Community

    Open Energy Info (EERE)

    GMREC Type Term Title Author Replies Last Post sort icon Document GMREC MHK Cost Breakdown Structure Draft Kch 3 10 Jun 2014 - 10:09...

  10. MHK LCOE Reporting Guidance Draft | OpenEI Community

    Open Energy Info (EERE)

    details on the Reference Models can be found here. The presentation was created in Microsoft Powerpoint, therefore it is recommended that Microsoft Powerpoint or Powerpoint...

  11. Development of Reference Models and Design Tools (LCOE Models...

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

    FY 09 Lab Call: Research & Assessment for MHK Development 2014 Water Power Program Peer Review Compiled Presentations: Marine and Hydrokinetic Technologies Effects on the Physical ...

  12. Concentrating Solar Power: Advanced Projects Offering Low LCOE

    Office of Environmental Management (EM)

    Energy Compliance Order issued to Los Alamos National Laboratory Compliance Order issued to Los Alamos National Laboratory Pursuant to the authority of the Secretary of Energy under section 234B of the Atomic Energy Act of 1954, as amended, and 10 C.F.R. 5 824.4(b) of the Department's Procedural Rules for the Assessment of Civil Penalties for Classzjied Information Security Violations, I am today issuing the enclosed Compliance Order to Los Alamos National Security, LLC (LANS). Compliance

  13. Levelized Cost of Coating (LCOC) for selective absorber materials

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Ho, Clifford K.; Pacheco, James E.

    2014-08-08

    A new metric has been developed to evaluate and compare selective absorber coatings for concentrating solar power applications. Previous metrics have typically considered the performance of the selective coating (i.e., solar absorptance and thermal emittance), but cost and durability were not considered. This report describes the development of the levelized cost of coating (LCOC), which is similar to the levelized cost of energy (LCOE) commonly used to evaluate alternative energy technologies. The LCOC is defined as the ratio of the annualized cost of the coating (and associated costs such as labor and number of heliostats required) to the average annualmore » thermal energy produced by the receiver. The baseline LCOC using Pyromark 2500 paint was found to be %240.055/MWht, and the distribution of LCOC values relative to this baseline were determined in a probabilistic analysis to range from -%241.6/MWht to %247.3/MWht, accounting for the cost of additional (or fewer) heliostats required to yield the same baseline average annual thermal energy produced by the receiver. A stepwise multiple rank regression analysis showed that the initial solar absorptance was the most significant parameter impacting the LCOC, followed by thermal emittance, degradation rate, reapplication interval, and downtime during reapplication.« less

  14. Levelized Cost of Coating (LCOC) for selective absorber materials

    SciTech Connect (OSTI)

    Ho, Clifford K.; Pacheco, James E.

    2014-08-08

    A new metric has been developed to evaluate and compare selective absorber coatings for concentrating solar power applications. Previous metrics have typically considered the performance of the selective coating (i.e., solar absorptance and thermal emittance), but cost and durability were not considered. This report describes the development of the levelized cost of coating (LCOC), which is similar to the levelized cost of energy (LCOE) commonly used to evaluate alternative energy technologies. The LCOC is defined as the ratio of the annualized cost of the coating (and associated costs such as labor and number of heliostats required) to the average annual thermal energy produced by the receiver. The baseline LCOC using Pyromark 2500 paint was found to be %240.055/MWht, and the distribution of LCOC values relative to this baseline were determined in a probabilistic analysis to range from -%241.6/MWht to %247.3/MWht, accounting for the cost of additional (or fewer) heliostats required to yield the same baseline average annual thermal energy produced by the receiver. A stepwise multiple rank regression analysis showed that the initial solar absorptance was the most significant parameter impacting the LCOC, followed by thermal emittance, degradation rate, reapplication interval, and downtime during reapplication.

  15. 2011 Cost of Wind Energy Review

    SciTech Connect (OSTI)

    Tegen, S.; Lantz, E.; Hand, M.; Maples, B.; Smith, A.; Schwabe, P.

    2013-03-01

    This report describes the levelized cost of energy (LCOE) for a typical land-based wind turbine installed in the United States in 2011, as well as the modeled LCOE for a fixed-bottom offshore wind turbine installed in the United States in 2011. Each of the four major components of the LCOE equation are explained in detail, such as installed capital cost, annual energy production, annual operating expenses, and financing, and including sensitivity ranges that show how each component can affect LCOE. These LCOE calculations are used for planning and other purposes by the U.S. Department of Energy's Wind Program.

  16. SAND2013-7205

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

    with other forms of power generation. Technological advancements are needed to lower the lifetime levelized cost of energy (LCOE) for large-scale deployments of OWCs...

  17. SAND2013-7204

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

    with other forms of power generation. Technological advancements are needed to lower the lifetime levelized cost of energy (LCOE) for large-scale deployments of point...

  18. SAND2013-7207

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

    with other forms of power generation. Technological advancements are needed to lower the lifetime levelized cost of energy (LCOE) for large-scale deployments of...

  19. Search for: "stirling engines" | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... The unique innovation in this project is an integrated TES... for minimizing the levelized cost of energy (LCOE). ... The primary loop includes the nuclear reactor with the lower ...

  20. Wind Levelized Cost of Energy: A Comparison of Technical and Financing Input Variables

    SciTech Connect (OSTI)

    Cory, K.; Schwabe, P.

    2009-10-01

    The expansion of wind power capacity in the United States has increased the demand for project development capital. In response, innovative approaches to financing wind projects have emerged and are proliferating in the U.S. renewable energy marketplace. Wind power developers and financiers have become more efficient and creative in structuring their financial relationships, and often tailor them to different investor types and objectives. As a result, two similar projects may use very different cash flows and financing arrangements, which can significantly vary the economic competitiveness of wind projects. This report assesses the relative impact of numerous financing, technical, and operating variables on the levelized cost of energy (LCOE) associated with a wind project under various financing structures in the U.S. marketplace. Under this analysis, the impacts of several financial and technical variables on the cost of wind electricity generation are first examined individually to better understand the relative importance of each. Then, analysts examine a low-cost and a high-cost financing scenario, where multiple variables are modified simultaneously. Lastly, the analysis also considers the impact of a suite of financial variables versus a suite of technical variables.

  1. Investigations on Marine Hydrokinetic Turbine Foil Structural...

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

    Marine Hydrokinetic Turbine Foil Structural Health Monitoring Presented at GMREC METS - ... Investigations on Marine Hydrokinetic Turbine Foil Structural Health Monitoring ...

  2. Service Levels

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

    Service Levels Service Levels NERSC Supported Services Model NERSC supports various services at various levels of support. This document outlines the different levels of support that can be expected for a given service. Production Services All production services at NERSC have the following characteristics: Monitored by NERSC Operations with automated tools (Nagios). Outages are announced on the MOTD and must follow the rules defined in System Outages document. User facing documentation

  3. levelized costs

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

    levelized costs - Sandia Energy Energy Search Icon Sandia Home Locations Contact Us Employee Locator Energy & Climate Secure & Sustainable Energy Future Stationary Power Energy Conversion Efficiency Solar Energy Wind Energy Water Power Supercritical CO2 Geothermal Natural Gas Safety, Security & Resilience of the Energy Infrastructure Energy Storage Nuclear Power & Engineering Grid Modernization Battery Testing Nuclear Energy Defense Waste Management Programs Advanced Nuclear

  4. Claims for Solar Cell Efficiency Put to Test at NREL | Community...

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

    ... will require the levelized cost of energy (LCOE) for solar in the continental United ... To reach that goal, system prices will have to drop. Manufacturing costs will have to ...

  5. Alaska Strategic Energy Plan and Planning Handbook

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

    Btu British thermal unit DOE U.S. Department of Energy EERE Office of Energy Efficiency and Renewable Energy kW kilowatt kWh kilowatt-hour LCOE levelized cost of energy NSEDC ...

  6. Final Report- High throughput CIGS solar cell fabrication via ultra-thin absorber layer with optical confinement and (Cd, CBD)- free heterojunction partner

    Broader source: Energy.gov [DOE]

    The main objective of this proposal was to use several pathways to reduce the production cost of CIGS PV modules and therefore the levelized cost of energy (LCOE) associated with this technology.

  7. Assessing the Economic Value of New Utility-Scale Generation Projects

    Gasoline and Diesel Fuel Update (EIA)

    LCOE/LACE Workshop July 25, 2013 Chris Namovicz Assessing the Economic Value of New Utility-Scale Generation Projects Overview * Levelized cost of energy (LCOE) has been used by planners, analysts, policymakers, advocates and others to assess the economic competitiveness of technology options in the electric power sector * While of limited usefulness in the analysis of "conventional" utility systems, this approach is not generally appropriate when considering "unconventional"

  8. Level: National Data;

    U.S. Energy Information Administration (EIA) Indexed Site

    (Fuel and Nonfuel), 2006; Level: National Data; Row: Energy Sources and Shipments, ... (Fuel and Nonfuel), 2006; Level: National Data; Row: Energy Sources and Shipments, ...

  9. Recovery Act - Demonstration of Sodium Ion Battery for Grid Level Applications

    SciTech Connect (OSTI)

    Wiley, Ted; Whitacre, Jay; Eshoo, Michael; Noland, James; Campbell, Williams; Spears, Christopher

    2012-08-31

    predicted with no indication that it will not tolerate well beyond 10 calendar years and 10,000 cycles. It has been in continuous operation for more than 1 year with 1,000 cycles (of varying depth of discharge, including 100% depth of discharge) and no identifiable degradation to the system. The final thick electrode cell structure has shown an energy density of 25 kWh/m3 at a five hour (or greater) discharge time. The primary chemistry has remained non-toxic, containing no acids or other corrosive chemicals, and the battery units have passed numerous safety tests, including flame resistance testing. These tests have verified the claim that the device is safe to use and contains no hazardous materials. Current projections show costs at the pack level to offer best in class value and are competitive with lead-acid batteries, factoring in LCOE.

  10. Tables of Energy Levels

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

    of Energy Levels The Image Map below will direct you to the table of energy levels PDF format only for that particular nuclide from the most recent publication found within...

  11. Precision liquid level sensor

    DOE Patents [OSTI]

    Field, M.E.; Sullivan, W.H.

    A precision liquid level sensor utilizes a balanced bridge, each arm including an air dielectric line. Changes in liquid level along one air dielectric line imbalance the bridge and create a voltage which is directly measurable across the bridge.

  12. Company Level Imports Archives

    U.S. Energy Information Administration (EIA) Indexed Site

    Company Level Imports Company Level Imports Archives 2015 Imports by Month January XLS February XLS March XLS April XLS May XLS June XLS July XLS August XLS September XLS October...

  13. Sea level changes

    SciTech Connect (OSTI)

    Buddemeier, R.W.

    1987-08-21

    The paper develops an approach to the issues relating to sea level change that will assist the non-scientist and the applied scientist in making the most effective use of our existing and developing knowledge. The human perception of ''sea level'' and how that changes as societies change and develop are discussed. After some practical perspectives on the relationships between societies and sea levels are developed, an approach to developing the best available local prediction of sea level changes is outlined, and finally present knowledge and uncertainties about the future course of events that will influence ''sea level'' as defined in the practical sense is discussed.

  14. Liquid level detector

    DOE Patents [OSTI]

    Grasso, Albert P.

    1986-01-01

    A liquid level detector for low pressure boilers. A boiler tank, from which apor, such as steam, normally exits via a main vent, is provided with a vertical side tube connected to the tank at the desired low liquid level. When the liquid level falls to the level of the side tube vapor escapes therethrough causing heating of a temperature sensitive device located in the side tube, which, for example, may activate a liquid supply means for adding liquid to the boiler tank. High liquid level in the boiler tank blocks entry of vapor into the side tube, allowing the temperature sensitive device to cool, for example, to ambient temperature.

  15. Liquid level detector

    DOE Patents [OSTI]

    Grasso, A.P.

    1984-02-21

    A liquid level detector for low pressure boilers. A boiler tank, from which vapor, such as steam, normally exits via a main vent, is provided with a vertical side tube connected to the tank at the desired low liquid level. When the liquid level falls to the level of the side tube vapor escapes therethrough causing heating of a temperature sensitive device located in the side tube, which, for example, may activate a liquid supply means for adding liquid to the boiler tank. High liquid level in the boiler tank blocks entry of vapor into the side tube, allowing the temperature sensitive device to cool, for example, to ambient temperature.

  16. Level: National Data; Row: NAICS Codes; Column: Levels of Price...

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

    Substitute, 2010; Level: National Data; Row: NAICS Codes; Column: Levels of Price ... Substitute, 2010; Level: National Data; Row: NAICS Codes; Column: Levels of Price ...

  17. Tiltmeter leveling mechanism

    DOE Patents [OSTI]

    Hunter, Steven L.; Boro, Carl O.; Farris, Alvis

    2002-01-01

    A tiltmeter device having a pair of orthogonally disposed tilt sensors that are levelable within an inner housing containing the sensors. An outer housing can be rotated to level at least one of the sensor pair while the inner housing can be rotated to level the other sensor of the pair. The sensors are typically rotated up to about plus or minus 100 degrees. The device is effective for measuring tilts in a wide range of angles of inclination of wells and can be employed to level a platform containing a third sensor.

  18. " Level: National Data;" " ...

    U.S. Energy Information Administration (EIA) Indexed Site

    5 Reasons that Made Residual Fuel Oil Unswitchable, 2006;" " Level: National Data;" " Row: ... barrels." ,,,,"Reasons that Made Residual Fuel Oil Unswitchable" " "," ",,,..." " ...

  19. Precision liquid level sensor

    DOE Patents [OSTI]

    Field, M.E.; Sullivan, W.H.

    1985-01-29

    A precision liquid level sensor utilizes a balanced R. F. bridge, each arm including an air dielectric line. Changes in liquid level along one air dielectric line imbalance the bridge and create a voltage which is directly measurable across the bridge. 2 figs.

  20. Precision liquid level sensor

    DOE Patents [OSTI]

    Field, Michael E.; Sullivan, William H.

    1985-01-01

    A precision liquid level sensor utilizes a balanced R. F. bridge, each arm including an air dielectric line. Changes in liquid level along one air dielectric line imbalance the bridge and create a voltage which is directly measurable across the bridge.

  1. Liquid level controller

    DOE Patents [OSTI]

    Mangus, J.D.; Redding, A.H.

    1975-07-15

    A system for maintaining two distinct sodium levels within the shell of a heat exchanger having a plurality of J-shaped modular tube bundles each enclosed in a separate shell which extends from a common base portion. A lower liquid level is maintained in the base portion and an upper liquid level is maintained in the shell enwrapping the long stem of the J-shaped tube bundles by utilizing standpipes with a notch at the lower end which decreases in open area the distance from the end of the stand pipe increases and a supply of inert gas fed at a constant rate to produce liquid levels, which will remain generally constant as the flow of liquid through the vessel varies. (auth)

  2. Liquid-level detector

    DOE Patents [OSTI]

    Not Available

    1981-01-29

    Aliquid level sensor is described which has a pair of upright conductors spaced by an insulator defining a first high resistance path between the conductors. An electrically conductive path is interposed between the upright conductors at a discrete location at which liquid level is to be measured. It includes a liquid accessible gap of a dimension such that the electrical resistance across the conductor when the gap is filled with the liquid is detectably less than when the gap is emptied. The conductor might also be physically altered by temperature changes to serve also as an indicator of elevated temperature.

  3. Ultrasonic liquid level detector

    DOE Patents [OSTI]

    Kotz, Dennis M.; Hinz, William R.

    2010-09-28

    An ultrasonic liquid level detector for use within a shielded container, the detector being tubular in shape with a chamber at its lower end into which liquid from in the container may enter and exit, the chamber having an ultrasonic transmitter and receiver in its top wall and a reflector plate or target as its bottom wall whereby when liquid fills the chamber a complete medium is then present through which an ultrasonic wave may be transmitted and reflected from the target thus signaling that the liquid is at chamber level.

  4. 2013 Cost of Wind Energy Review

    SciTech Connect (OSTI)

    Mone, C.; Smith, A.; Maples, B.; Hand, M.

    2015-02-01

    This report uses representative project types to estimate the levelized cost of wind energy (LCOE) in the United States for 2013. Scheduled to be published on an annual basis, it relies on both market and modeled data to maintain a current understanding of wind generation cost trends and drivers. It is intended to provide insight into current component-level costs and a basis for understanding current component-level costs and a basis for understanding variability in the LCOE across the industry. Data and tools developed from this analysis are used to inform wind technology cost projections, goals, and improvement opportunities.

  5. Current level detector

    DOE Patents [OSTI]

    Kerns, Cordon R.

    1977-01-01

    A device is provided for detecting the current level of a DC signal. It includes an even harmonic modulator to which a reference AC signal is applied. The unknown DC signal acts on the reference AC signal so that the output of the modulator includes an even harmonic whose amplitude is proportional to the unknown DC current.

  6. Company Level Imports

    U.S. Energy Information Administration (EIA) Indexed Site

    Company Level Imports With Data for June 2016 | Release Date: August 31, 2016 | Next Release Date: September 30, 2016 | XLS Previous Issues Month: June 2016 May 2016 April 2016 March 2016 February 2016 January 2016 December 2015 November 2015 October 2015 September 2015 August 2015 July 2015 June 2015 prior issues Go June 2016 Import Highlights Monthly data on the origins of crude oil imports in June 2016 show that two countries, Canada and Saudi Arabia, exported more than one million barrels

  7. 2014 Cost of Wind Energy Review

    SciTech Connect (OSTI)

    Mone, Christopher; Stehly, Tyler; Maples, Ben; Settle, Edward

    2015-10-01

    This report uses representative commercial projects to estimate the levelized cost of energy (LCOE) for both land-based and offshore wind plants in the United States for 2014. Scheduled to be published on an annual basis, the analysis relies on both market and modeled data to maintain an up-to-date understanding of wind generation cost trends and drivers. It is intended to provide insight into current component-level costs and a basis for understanding variability in the LCOE across the industry. Data and tools developed by the National Renewable Energy Laboratory (NREL) are used in this analysis to inform wind technology cost projections, goals, and improvement opportunities.

  8. Liquid level detector

    DOE Patents [OSTI]

    Tshishiku, Eugene M.

    2011-08-09

    A liquid level detector for conductive liquids for vertical installation in a tank, the detector having a probe positioned within a sheath and insulated therefrom by a seal so that the tip of the probe extends proximate to but not below the lower end of the sheath, the lower end terminating in a rim that is provided with notches, said lower end being tapered, the taper and notches preventing debris collection and bubble formation, said lower end when contacting liquid as it rises will form an airtight cavity defined by the liquid, the interior sheath wall, and the seal, the compression of air in the cavity preventing liquid from further entry into the sheath and contact with the seal. As a result, the liquid cannot deposit a film to form an electrical bridge across the seal.

  9. Switch wear leveling

    DOE Patents [OSTI]

    Wu, Hunter; Sealy, Kylee; Gilchrist, Aaron

    2015-09-01

    An apparatus for switch wear leveling includes a switching module that controls switching for two or more pairs of switches in a switching power converter. The switching module controls switches based on a duty cycle control technique and closes and opens each switch in a switching sequence. The pairs of switches connect to a positive and negative terminal of a DC voltage source. For a first switching sequence a first switch of a pair of switches has a higher switching power loss than a second switch of the pair of switches. The apparatus includes a switch rotation module that changes the switching sequence of the two or more pairs of switches from the first switching sequence to a second switching sequence. The second switch of a pair of switches has a higher switching power loss than the first switch of the pair of switches during the second switching sequence.

  10. High-Level Waste Inventory

    Office of Environmental Management (EM)

    Analysis of Alternatives for Disposition of the Idaho Calcined High-Level Waste Inventory ... of the Idaho Calcined High-Level Waste Inventory Volume 1- Summary Report April ...

  11. Current Status of Concentrator Photovoltaic (CPV) Technology

    SciTech Connect (OSTI)

    Philipps, S. P.; Bett, A. W.; Horowitz, K.; Kurtz, S.

    2015-01-01

    This report describes the current status of the market and technology for concentrator photovoltaic (CPV) cells and modules. Significant progress in CPV has been achieved, including record efficiencies for modules (36.7%) and cells (46%), as well as growth of large field installations in recent years. CPV technology may also have the potential to be cost-competitive on a levelized cost of energy (LCOE) basis in regions of high direct normal irradiance (DNI). The study includes an overview of all installations larger than 1 MW, information on companies currently active in the CPV field, efficiency data, and estimates of the LCOE in different scenarios.

  12. The CDF LEVEL3 trigger

    SciTech Connect (OSTI)

    Carroll, T.; Joshi, U.; Auchincloss, P.

    1989-04-01

    CDF is currently taking data at a luminosity of 10{sup 30} cm{sup -2} sec{sup -1} using a four level event filtering scheme. The fourth level, LEVEL3, uses ACP (Fermilab`s Advanced Computer Program) designed 32 bit VME based parallel processors (1) capable of executing algorithms written in FORTRAN. LEVEL3 currently rejects about 50% of the events.

  13. Emerging Issues and Challenges with Integrating High Levels of Solar into the Electrical Generation and Transmission Systems

    Broader source: Energy.gov [DOE]

    Increasing the use of grid-flexibility options (improved grid management, demand response, and energy storage) could enable 25% or higher penetration of PV at low costs (see Denholm et al. 2016). Considering the large-scale integration of solar into electric-power systems complicates the calculation of the value of solar. In fact a comprehensive examination reveals that the value of solar technologies—or any other power-system technology or operating strategy—can only be understood in the context of the generation system as a whole. This is well illustrated by analysis of curtailment at high PV penetrations within the bulk power and transmission systems. As the deployment of PV increases, it is possible that during some sunny midday periods due to limited flexibility of conventional generators, system operators would need to reduce (curtail) PV output in order to maintain the crucial balance between electric supply and demand. As a result, PV’s value and cost competitiveness would degrade. For example, for utility-scale PV with a baseline SunShot LCOE of 6¢/kWh, increasing the annual energy demand met by solar energy from 10% to 20% would increase the marginal LCOE of PV from 6¢/kWh to almost 11¢/kWh in a California grid system with limited flexibility. However, this loss of value could be stemmed by increasing system flexibility via enhanced control of variable-generation resources, added energy storage, and the ability to motivate more electricity consumers to shift consumption to lower-demand periods. The combination of these measures would minimize solar curtailment and keep PV cost-competitive at penetrations at least as high as 25%. Efficient deployment of the grid-flexibility options needed to maintain solar’s value will require various innovations, from the development of communication, control, and energy storage technologies to the implementation of new market rules and operating procedures.

  14. Small Modular Reactor: First of a Kind (FOAK) and Nth of a Kind (NOAK) Economic Analysis

    SciTech Connect (OSTI)

    Lauren M. Boldon; Piyush Sabharwall

    2014-08-01

    Small modular reactors (SMRs) refer to any reactor design in which the electricity generated is less than 300 MWe. Often medium sized reactors with power less than 700 MWe are also grouped into this category. Internationally, the development of a variety of designs for SMRs is booming with many designs approaching maturity and even in or nearing the licensing stage. It is for this reason that a generalized yet comprehensive economic model for first of a kind (FOAK) through nth of a kind (NOAK) SMRs based upon rated power, plant configuration, and the fiscal environment was developed. In the model, a particular project’s feasibility is assessed with regards to market conditions and by commonly utilized capital budgeting techniques, such as the net present value (NPV), internal rate of return (IRR), Payback, and more importantly, the levelized cost of energy (LCOE) for comparison to other energy production technologies. Finally, a sensitivity analysis was performed to determine the effects of changing debt, equity, interest rate, and conditions on the LCOE. The economic model is primarily applied to the near future water cooled SMR designs in the United States. Other gas cooled and liquid metal cooled SMR designs have been briefly outlined in terms of how the economic model would change. FOAK and NOAK SMR costs were determined for a site containing seven 180 MWe water cooled SMRs and compared to a site containing one 1260 MWe reactor. With an equal share of debt and equity and a 10% cost of debt and equity, the LCOE was determined to be $79 $84/MWh and $80/MWh for the SMR and large reactor sites, respectively. With a cost of equity of 15%, the SMR LCOE increased substantially to $103 $109/MWh. Finally, an increase in the equity share to 70% at the 15% cost of equity resulted in an even higher LCOE, demonstrating the large variation in results due to financial and market factors. The NPV and IRR both decreased with increasing LCOE. Unless the price of electricity

  15. Specified assurance level sampling procedure

    SciTech Connect (OSTI)

    Willner, O.

    1980-11-01

    In the nuclear industry design specifications for certain quality characteristics require that the final product be inspected by a sampling plan which can demonstrate product conformance to stated assurance levels. The Specified Assurance Level (SAL) Sampling Procedure has been developed to permit the direct selection of attribute sampling plans which can meet commonly used assurance levels. The SAL procedure contains sampling plans which yield the minimum sample size at stated assurance levels. The SAL procedure also provides sampling plans with acceptance numbers ranging from 0 to 10, thus, making available to the user a wide choice of plans all designed to comply with a stated assurance level.

  16. Radiation Levels in Real Time?

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

    Levels in Real Time? There's an App for That! Gamma radiation levels in the southern Nevada area will soon be accessible around the world at the touch of a finger. Makers of the cell phone application EcoData: Radiation are expanding their global network of radiation monitoring stations to include up-to-date readings from the Community Environmental Monitoring Program (CEMP) based out of southern Nevada. The CEMP was established in 1981 to monitor manmade and natural radiation levels surrounding

  17. Wave | OpenEI Community

    Open Energy Info (EERE)

    Submitted by Ocop(5) Member 15 July, 2014 - 07:07 MHK LCOE Reporting Guidance Draft Cost Current DOE LCOE numerical modeling Performance Tidal Wave To normalize competing...

  18. Performance | OpenEI Community

    Open Energy Info (EERE)

    Submitted by Ocop(5) Member 15 July, 2014 - 07:07 MHK LCOE Reporting Guidance Draft Cost Current DOE LCOE numerical modeling Performance Tidal Wave To normalize competing...

  19. numerical modeling | OpenEI Community

    Open Energy Info (EERE)

    Submitted by Ocop(5) Member 15 July, 2014 - 07:07 MHK LCOE Reporting Guidance Draft Cost Current DOE LCOE numerical modeling Performance Tidal Wave To normalize competing...

  20. Current | OpenEI Community

    Open Energy Info (EERE)

    Submitted by Ocop(5) Member 15 July, 2014 - 07:07 MHK LCOE Reporting Guidance Draft Cost Current DOE LCOE numerical modeling Performance Tidal Wave To normalize competing...

  1. Tidal | OpenEI Community

    Open Energy Info (EERE)

    Submitted by Ocop(5) Member 15 July, 2014 - 07:07 MHK LCOE Reporting Guidance Draft Cost Current DOE LCOE numerical modeling Performance Tidal Wave To normalize competing...

  2. Understanding Wind Power Costs: The Value of a Comprehensive Approach (Presentation)

    SciTech Connect (OSTI)

    Lantz, E.

    2013-05-01

    The evolution and maturity of the wind industry have often been assessed by considering changes in key metrics including capital costs, capacity factor, turbine pricing, and in some cases electricity sales data. However, wind turbines and plants represent a complex system optimization problem and each of these metrics, in isolation, fails to tell the complete story of technological progress and industry advancement. By contrast, the levelized cost of energy (LCOE) provides a more comprehensive and nuanced perspective on industry trends. LCOE can be used to analyze the effect of individual changes (by holding other variables constant) or to understand the complex interactions that might occur for example between turbine costs and productivity. Moreover, LCOE offers a reflection of the total production costs and required revenue for wind plants. This presentation provides examples of how a narrow focus on individual industry metrics can provide inaccurate representations of industry trends while also demonstrating how LCOE captures the array of critical industry variables to provide a greater level of insight.

  3. High-Level Waste Inventory

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

    Analysis of Alternatives for Disposition of the Idaho Calcined High-Level Waste Inventory Volume 1 - Summary Report U.S. Department of Energy Office of Environmental Management April 2016 U.S. DOE-EM Independent Analysis of Alternatives for Disposition of the Idaho Calcined High-Level Waste Inventory Volume 1- Summary Report April 2016 ii THIS PAGE INTENTIONALLY LEFT BLANK U.S. DOE-EM Independent Analysis of Alternatives for Disposition of the Idaho Calcined High-Level Waste Inventory Volume 1-

  4. Radiation Levels in Real Time?

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

    Gamma radiation levels in the southern Nevada area will soon be accessible around the world at the touch of a finger. Makers of the cell phone application EcoData: Radiation are ...

  5. Low-Level Waste Requirements

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    1999-07-09

    The guide provides criteria for determining which DOE radioactive wastes are to be managed as low-level waste in accordance with DOE M 435.1-1, Chapter IV.

  6. High-Level Waste Requirements

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    1999-07-09

    The guide provides the criteria for determining which DOE radioactive wastes are to be managed as high-level waste in accordance with DOE M 435.1-1.

  7. Promoting system-level learning from project-level lessons

    SciTech Connect (OSTI)

    Jong, Amos A. de; Runhaar, Hens A.C.; Runhaar, Piety R.; Kolhoff, Arend J.; Driessen, Peter P.J.

    2012-02-15

    A growing number of low and middle income nations (LMCs) have adopted some sort of system for environmental impact assessment (EIA). However, generally many of these EIA systems are characterised by a low performance in terms of timely information dissemination, monitoring and enforcement after licencing. Donor actors (such as the World Bank) have attempted to contribute to a higher performance of EIA systems in LMCs by intervening at two levels: the project level (e.g. by providing scoping advice or EIS quality review) and the system level (e.g. by advising on EIA legislation or by capacity building). The aims of these interventions are environmental protection in concrete cases and enforcing the institutionalisation of environmental protection, respectively. Learning by actors involved is an important condition for realising these aims. A relatively underexplored form of learning concerns learning at EIA system-level via project level donor interventions. This 'indirect' learning potentially results in system changes that better fit the specific context(s) and hence contribute to higher performances. Our exploratory research in Ghana and the Maldives shows that thus far, 'indirect' learning only occurs incidentally and that donors play a modest role in promoting it. Barriers to indirect learning are related to the institutional context rather than to individual characteristics. Moreover, 'indirect' learning seems to flourish best in large projects where donors achieved a position of influence that they can use to evoke reflection upon system malfunctions. In order to enhance learning at all levels donors should thereby present the outcomes of the intervention elaborately (i.e. discuss the outcomes with a large audience), include practical suggestions about post-EIS activities such as monitoring procedures and enforcement options and stimulate the use of their advisory reports to generate organisational memory and ensure a better information dissemination.

  8. Level indicator for pressure vessels

    DOE Patents [OSTI]

    Not Available

    1982-04-28

    A liquid-level monitor for tracking the level of a coal slurry in a high-pressure vessel including a toroidal-shaped float with magnetically permeable bands thereon disposed within the vessel, two pairs of magnetic-field generators and detectors disposed outside the vessel adjacent the top and bottom thereof and magnetically coupled to the magnetically permeable bands on the float, and signal-processing circuitry for combining signals from the top and bottom detectors for generating a monotonically increasing analog control signal which is a function of liquid level. The control signal may be utilized to operate high-pressure control valves associated with processes in which the high-pressure vessel is used.

  9. High pressure liquid level monitor

    DOE Patents [OSTI]

    Bean, Vern E.; Long, Frederick G.

    1984-01-01

    A liquid level monitor for tracking the level of a coal slurry in a high-pressure vessel including a toroidal-shaped float with magnetically permeable bands thereon disposed within the vessel, two pairs of magnetic field generators and detectors disposed outside the vessel adjacent the top and bottom thereof and magnetically coupled to the magnetically permeable bands on the float, and signal processing circuitry for combining signals from the top and bottom detectors for generating a monotonically increasing analog control signal which is a function of liquid level. The control signal may be utilized to operate high-pressure control valves associated with processes in which the high-pressure vessel is used.

  10. Energy Level Diagrams A=12

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

    2 Available in the following years: (1990), (1985), (1980), (1975), (1968), (1959) A=12 Energy Level Diagrams from (1990AJ01) GIF (Graphic Interchange Format): 12Be (48 KB) 12B (93 KB) 12C (129 KB) 12N (63 KB) Isobar diagram (91 KB) PDF (Portable Document Format): 12Be (30 KB) 12B (52 KB) 12C (72 KB) 12N (40 KB) Isobar diagram (57 KB) EPS (Encapsulated Postscript): 12Be (1.39 MB) 12B (1.80 MB) 12C (1.89 MB) 12N (1.66 MB) Isobar diagram (1.75 MB) A=12 Energy Level Diagrams from (1985AJ01) GIF

  11. Energy Level Diagrams A=13

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

    3 Available in the following years: (1991), (1986), (1981), (1976), (1970), (1959) A=13 Energy Level Diagrams from (1991AJ01) GIF (Graphic Interchange Format): 13B (53 KB) 13C (115 KB) 13N (107 KB) Isobar diagram (94 KB) PDF (Portable Document Format): 13B (35 KB) 13C (63 KB) 13N (56 KB) Isobar diagram (56 KB) EPS (Encapsulated Postscript): 13B (1.5 MB) 13C (1.7 MB) 13N (1.4 MB) Isobar diagram (1.5 MB) A=13 Energy Level Diagrams from (1986AJ01) GIF (Graphic Interchange Format): 13B (72 KB) 13C

  12. Energy Level Diagrams A=14

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

    4 Available in the following years: (1991), (1986), (1981), (1976), (1970), (1959) A=14 Energy Level Diagrams from (1991AJ01) GIF (Graphic Interchange Format): 14B (48 KB) 14C (92 KB) 14N (132 KB) 14O (60 KB) Isobar diagram (93 KB) PDF (Portable Document Format): 14B (33 KB) 14C (50 KB) 14N (69 KB) 14O (40 KB) Isobar diagram (51 KB) EPS (Encapsulated Postscript): 14B (1.57 MB) 14C (1.72 MB) 14N (1.76 MB) 14O (1.75 MB) Isobar diagram (1.83 MB) A=14 Energy Level Diagrams from (1986AJ01) GIF

  13. Energy Level Diagrams A=15

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

    5 Available in the following years: (1991), (1986), (1981), (1976), (1970), (1959) A=15 Energy Level Diagrams from (1991AJ01) GIF (Graphic Interchange Format): 15C (67 KB) 15N (114 KB) 15O (106 KB) Isobar diagram (100 KB) PDF (Portable Document Format): 15C (43 KB) 15N (69 KB) 15O (59 KB) Isobar diagram (58 KB) EPS (Encapsulated Postscript): 15C (1.82 MB) 15N (1.98 MB) 15O (1.67 MB) Isobar diagram (1.83 MB) A=15 Energy Level Diagrams from (1986AJ01) GIF (Graphic Interchange Format): 15C (52 KB)

  14. Energy Level Diagrams A=16

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

    6 Available in the following years: (1993), (1986), (1982), (1977), (1971), (1959) A=16 Energy Level Diagrams from (1993TI07) GIF (Graphic Interchange Format): 16C (223 KB) 16N (274 KB) 16O (176 KB) 16F (106 KB) Isobar diagram (190 KB) PDF (Portable Document Format): 16C (154 KB) 16N (71 KB) 16O (178 KB) 16F (108 KB) Isobar diagram (266 KB) EPS (Encapsulated Postscript): 16C (542 KB) 16N (430 KB) 16O (178 KB) 16F (357 KB) Isobar diagram (190 KB) A=16 Energy Level Diagrams from (1986AJ04) GIF

  15. Energy Level Diagrams A=17

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

    7 Available in the following years: (1993), (1986), (1982), (1977), (1971), (1959) A=17 Energy Level Diagrams from (1993TI07) GIF (Graphic Interchange Format): 17N (104 KB) 17O (148 KB) 17F (155 KB) Isobar diagram (82 KB) PDF (Portable Document Format): 17N (107 KB) 17O (141 KB) 17F (147 KB) Isobar diagram (90 KB) EPS (Encapsulated Postscript): 17N (107 KB) 17O (141 KB) 17F (147 KB) Isobar diagram (90 KB) A=17 Energy Level Diagrams from (1986AJ04) GIF (Graphic Interchange Format): 17N (76 KB)

  16. Energy Level Diagrams A=18

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

    8 Available in the following years: (1995), (1987), (1983), (1978), (1972), (1959) A=18 Energy Level Diagrams from (1995TI07) GIF (Graphic Interchange Format): 18N (34 KB) 18O (97 KB) 18F (89 KB) 18Ne (56 KB) Isobar diagram (87 KB) PDF (Portable Document Format): 18N (13 KB) 18O (56 KB) 18F (54 KB) 18Ne (36 KB) Isobar diagram (50 KB) EPS (Encapsulated Postscript): 18N (13 KB) 18O (1.98 MB) 18F (1.40 MB) 18Ne (1.64 MB) Isobar diagram (1.79 MB) A=18 Energy Level Diagrams from (1987AJ02) GIF

  17. Energy Level Diagrams A=19

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

    9 Available in the following years: (1995), (1987), (1983), (1978), (1972), (1959) A=19 Energy Level Diagrams from (1995TI07) GIF (Graphic Interchange Format): 19O (50 KB) 19F (99 KB) 19Ne (53 KB) Isobar diagram (65 KB) PDF (Portable Document Format): 19O (34 KB) 19F (63 KB) 19Ne (35 KB) Isobar diagram (43 KB) EPS (Encapsulated Postscript): 19O (1.60 MB) 19F (1.82 MB) 19Ne (1.26 MB) Isobar diagram (1.55 MB) A=19 Energy Level Diagrams from (1987AJ02) GIF (Graphic Interchange Format): 19O (204 KB)

  18. Energy Level Diagrams A=20

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

    20 Available in the following years: (1998), (1987), (1983), (1978), (1972), (1959) A=20 Energy Level Diagrams from (1998TI06) GIF (Graphic Interchange Format): 20O (47 KB) 20F (61 KB) 20Ne (75 KB) 20Na (61 KB) Isobar diagram (73 KB) PDF (Portable Document Format): 20O (31 KB) 20F (40 KB) 20Ne (51 KB) 20Na (41 KB) Isobar diagram (47 KB) EPS (Encapsulated Postscript): 20O (1.44 MB) 20F (1.45 MB) 20Ne (1.38 MB) 20Na (1.75 MB) Isobar diagram (1.73 MB) A=20 Energy Level Diagrams from (1987AJ02) GIF

  19. Energy Level Diagrams A=5

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

    5 Available in the following years: (2002), (1988), (1984), (1979), (1974), (1966), (1959) A=5 Energy Level Diagrams from (2002TI10) GIF (Graphic Interchange Format): 5He (28 KB) 5Li (28 KB) Isobar diagram (20 KB) PDF (Portable Document Format): 5He (40 KB) 5Li (40 KB) Isobar diagram (36 KB) EPS (Encapsulated Postscript): 5He (1.7 MB) 5Li (1.7 MB) Isobar diagram (1.6 MB) A=5 Energy Level Diagrams from (1988AJ01) GIF (Graphic Interchange Format): 5He (67 KB) 5Li (70 KB) Isobar diagram (55 KB) PDF

  20. Energy Level Diagrams A=6

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

    6 Available in the following years: (2002), (1988), (1984), (1979), (1974), (1966), (1959) A=6 Energy Level Diagrams from (2002TI10) GIF (Graphic Interchange Format): 6He (98 KB) 6Li (98 KB) 6Be (98 KB) Isobar Diagram (130 KB) PDF (Portable Document Format): 6He (65 KB) 6Li (65 KB) 6Be (33 KB) Isobar Diagram (65 KB) EPS (Encapsulated Postscript): 6He (1.5 MB) 6Li (1.5 MB) 6Be (1.3 MB) Isobar Diagram (1.7 MB) A=6 Energy Level Diagrams from (1988AJ01) GIF (Graphic Interchange Format): 6He (50 KB)

  1. Energy Level Diagrams A=7

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

    7 Available in the following years: (2002), (1988), (1984), (1979), (1974), (1966), (1959) A=7 Energy Level Diagrams from (2002TI10) GIF (Graphic Interchange Format): 7He (65 KB) 7Li (130 KB) 7Be (65 KB) Isobar Diagram (65 KB) PDF (Portable Document Format): 7He (35 KB) 7Li (65 KB) 7Be (65 KB) Isobar Diagram (65 KB) EPS (Encapsulated Postscript): 7He (1.7 MB) 7Li (1.8 MB) 7Be (1.6 MB) Isobar Diagram (1.6 MB) A=7 Energy Level Diagrams from (1988AJ01) GIF (Graphic Interchange Format): 7Li (80 KB)

  2. Energy Level Diagrams A=8

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

    8 Available in the following years: (2004), (1988), (1984), (1979), (1974), (1966), (1959) A=8 Energy Level Diagrams from (2004TI06) GIF (Graphic Interchange Format): 8He (20 KB) 8Li (194 KB) 8Be (44 KB) 8B (24 KB) Isobar diagram (36 KB) PDF (Portable Document Format): 8He (28 KB) 8Li (703 KB) 8Be (60 KB) 8B (32 KB) Isobar diagram (48 KB) EPS (Encapsulated Postscript): 8He (1.7 MB) 8Li (1.1 MB) 8Be (1.5 MB) 8B (1.4 MB) Isobar diagram (1.5 MB) A=8 Energy Level Diagrams from (1988AJ01) GIF

  3. High temperature liquid level sensor

    DOE Patents [OSTI]

    Tokarz, Richard D. (West Richland, WA)

    1983-01-01

    A length of metal sheathed metal oxide cable is perforated to permit liquid access to the insulation about a pair of conductors spaced close to one another. Changes in resistance across the conductors will be a function of liquid level, since the wetted insulation will have greater electrical conductivity than that of the dry insulation above the liquid elevation.

  4. Increasing FCC regenerator catalyst level

    SciTech Connect (OSTI)

    Wong, R.F. )

    1993-11-01

    A Peruvian FCC unit's operations were improved by increasing the regenerator's catalyst level. This increase resulted in lower stack losses, an improved temperature profile, increased catalyst activity and a lower catalyst consumption rate. A more stable operation saved this Peruvian refiner over $131,000 per year in catalyst alone. These concepts and data may be suitable for your FCC unit as well.

  5. Program Secretarial Office Name Certification Level Certified...

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

    ... T Level IV 8252004 SC CHAPMAN,RICHARD WARREN Level I 11302011 SC CRESCENZO,FRANK J ... SC STROUP,JAY W Level I 6132011 SC WARREN,RUSSELL N Level II 8182006 Page 8 ...

  6. Program Secretarial Office Name Certification Level

    Energy Savers [EERE]

    ... M Level I 6132011 NE ARENAZ,MARK R Level IV 9282010 NE BASS,WILLIAM G ... HERRERA,JOHN M Level I 10312011 NNSA HOLTZAPPLE,CLAIRE S Level II 5222008 NNSA ...

  7. Program Secretarial Office Name Certification Level Certified...

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

    ... S Level I 7312014 EM MASON,SUSAN A Level I 332011 EM ... I 11182010 EM METZLER,DONALD R Level IV 12162005 EM MILLER,CHESTER E Level I 4172009 EM MILLER,JEFF S ...

  8. George Taylor, Ph.D. Founder, Palmetto Energy Institute Senior Fellow, ATI Center for Energy Studies

    Gasoline and Diesel Fuel Update (EIA)

    Copyright © 2013 PERF George Taylor, Ph.D. Founder, Palmetto Energy Institute Senior Fellow, ATI Center for Energy Studies EIA Workshop on LCOE / LACE July 25, 2013 Improving the Completeness and Accuracy of Levelized Cost of Electricity Calculations Copyright © 2013 PERF EIA 2012 Annual Energy Outlook Estimated Levelized Cost of New Generation Sources, 2017 U.S. Average Levelized Costs ($2010 per MWh) for plants entering service in 2017 Levelized Fixed Variable Trans- Total Capacity Capital

  9. Levelized Power Generation Cost Codes

    Energy Science and Technology Software Center (OSTI)

    1996-04-30

    LPGC is a set of nine microcomputer programs for estimating power generation costs for large steam-electric power plants. These programs permit rapid evaluation using various sets of economic and technical ground rules. The levelized power generation costs calculated may be used to compare the relative economics of nuclear and coal-fired plants based on life-cycle costs. Cost calculations include capital investment cost, operation and maintenance cost, fuel cycle cost, decommissioning cost, and total levelized power generationmore » cost. These programs can be used for quick analyses of power generation costs using alternative economic parameters, such as interest rate, escalation rate, inflation rate, plant lead times, capacity factor, fuel prices, etc. The two major types of electric generating plants considered are pressurized water reactor (PWR) and pulverized coal-fired plants. Data are also provided for the Large Scale Prototype Breeder (LSPB) type liquid metal reactor.« less

  10. Energy Level Diagrams A=9

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

    9 Available in the following years: (2004), (1988), (1984), (1979), (1974), (1966), (1959) A=9 Energy Level Diagrams from (2004TI06) GIF (Graphic Interchange Format): 9Li (24 KB) 9Be (44 KB) 9B (36 KB) 9C (20 KB) Isobar diagram (36 KB) PDF (Portable Document Format): 9Li (36 KB) 9Be (60 KB) 9B (48 KB) 9C (28 KB) Isobar diagram (56 KB) EPS (Encapsulated Postscript): 9Li (1.7 MB) 9Be (1.7 MB) 9B (1.6 MB) 9C (1.7 MB) Isobar diagram (1.8 MB) A=9 Energy Level Diagrams from (1988AJ01) GIF (Graphic

  11. Mid-Level Ethanol Blends

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

    Mid-Level Ethanol Blends Test Program DOE, NREL, and ORNL Team Presented by Keith Knoll Work supported by DOE/EERE Vehicle Technologies Program Annual Merit Review and Peer Evaluation meeting May 19, 2009 Kevin Stork Vehicle Technologies Program Shab Fardanesh and Joan Glickman Office of the Biomass Program This presentation does not contain any proprietary or classified information Project ID: ft_05_knoll Collaborators Kevin Stork DOE OVT Shab Fardanesh DOE OBP Joan Glickman DOE OBP Wendy Clark

  12. Energy Level Diagrams A=4

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

    4 Available in the following year: (1992) A=4 Energy Level Diagrams from (1992TI02) GIF (Graphic Interchange Format): 4H (38 KB) 4He (90 KB) 4Li (36 KB) Isobar diagram (60 KB) PDF (Portable Document Format): 4H (26 KB) 4He (47 KB) 4Li (24 KB) Isobar diagram (36 KB) EPS (Encapsulated Postscript): 4H (1.32 MB) 4He (1.79 MB) 4Li (1.13 MB) Isobar diagram (1.54 MB

  13. PRELIMINARY TECHNICAL AND ECONOMIC FEASIBILITY STUDY ON THE INTEGRATION OF A PROCESS UTILIZING LOW-ENERGY SOLVENTS FOR CARBON DIOXIDE CAPTURE ENABLED BY A COMBINATION OF ENZYMES AND ULTRASONICS WITH A SUBCRITICAL PC POWER PLANT

    SciTech Connect (OSTI)

    Swaminathan, Saravanan; Kuczynska, Agnieszka; Hume, Scott; Mulgundmath, Vinay; Freeman, Charles; Bearden, Mark; Remias, Joe; Ambedkar, Balraj; Salmon, Sonja; House, Alan

    2012-11-01

    The results of the preliminary techno-economic assessment for integrating a process utilizing low-energy solvents for carbon dioxide (CO2) capture enabled by a combination of enzymes and ultrasonics with a subcritical pulverized coal (PC) power plant are presented. Four cases utilizing the enzyme-activated solvent are compared using different methodologies of regeneration against the DOE/NETL reference MEA case. The results are shown comparing the energy demand for post-combustion CO2 capture and the net higher heating value (HHV) efficiency of the power plant integrated with the post-combustion capture (PCC) plant. A levelized cost of electricity (LCOE) assessment was performed showing the costs of the options presented in the study. The key factors contributing to the reduction of LCOE were identified as enzyme make-up rate and the capability of the ultrasonic regeneration process. The net efficiency of the integrated PC power plant with CO2 capture changes from 24.9% with the reference Case 10 plant to between 24.34% and 29.97% for the vacuum regeneration options considered, and to between 26.63% and 31.41% for the ultrasonic regeneration options. The evaluation also shows the effect of the critical parameters on the LCOE, with the main variable being the initial estimation of enzyme dosing rate. The LCOE ($/MWh) values range from 112.92 to 125.23 for the vacuum regeneration options and from 108.9 to 117.50 for the ultrasonic regeneration cases considered in comparison to 119.6 for the reference Case 10. A sensitivity analysis of the effect of critical parameters on the LCOE was also performed. The results from the preliminary techno-economic assessment show that the proposed technology can be investigated further with a view to being a viable alternative to conventional CO2 scrubbing technologies.

  14. Load Leveling Battery System Costs

    Energy Science and Technology Software Center (OSTI)

    1994-10-12

    SYSPLAN evaluates capital investment in customer side of the meter load leveling battery systems. Such systems reduce the customer's monthly electrical demand charge by reducing the maximum power load supplied by the utility during the customer's peak demand. System equipment consists of a large array of batteries, a current converter, and balance of plant equipment and facilities required to support the battery and converter system. The system is installed on the customer's side of themore » meter and controlled and operated by the customer. Its economic feasibility depends largely on the customer's load profile. Load shape requirements, utility rate structures, and battery equipment cost and performance data serve as bases for determining whether a load leveling battery system is economically feasible for a particular installation. Life-cycle costs for system hardware include all costs associated with the purchase, installation, and operation of battery, converter, and balance of plant facilities and equipment. The SYSPLAN spreadsheet software is specifically designed to evaluate these costs and the reduced demand charge benefits; it completes a 20 year period life cycle cost analysis based on the battery system description and cost data. A built-in sensitivity analysis routine is also included for key battery cost parameters. The life cycle cost analysis spreadsheet is augmented by a system sizing routine to help users identify load leveling system size requirements for their facilities. The optional XSIZE system sizing spreadsheet which is included can be used to identify a range of battery system sizes that might be economically attractive. XSIZE output consisting of system operating requirements can then be passed by the temporary file SIZE to the main SYSPLAN spreadsheet.« less

  15. System-level flight test

    SciTech Connect (OSTI)

    Cornwall, J.; Dyson, F.; Eardley, D.; Happer, W.; LeLevier, R.; Nierenberg, W.; Press, W.; Ruderman, M.; Sullivan, J.; York, H.

    1999-11-23

    System-level flight tests are an important part of the overall effort by the United States to maintain confidence in the reliability, safety, and performance of its nuclear deterrent forces. This study of activities by the Department of Energy in support of operational tests by the Department of Defense was originally suggested by Dr. Rick Wayne, Director, National Security Programs, Sandia National Laboratory/Livermore, and undertaken at the request of the Department of Energy, Defense Programs Division. It follows two 1997 studies by JASON that focused on the Department of Energy's Enhanced Surveillance Program for the physics package — i.e. the nuclear warhead.

  16. Energy Level Diagrams A=10

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

    10 Available in the following years: (2004), (1988), (1984), (1979), (1974), (1966), (1959) A=10 Energy Level Diagrams from (2004TI06) GIF (Graphic Interchange Format): 10He (16 KB) 10Li (20 KB) 10Be (36 KB) 10B (44 KB) γ transitions for 10B (32 KB) 10C (20 KB) Isobar diagram (40 KB) PDF (Portable Document Format): 10He (16 KB) 10Li (24 KB) 10Be (48 KB) 10B (56 KB) γ transitions for 10B (44 KB) 10C (28 KB) Isobar diagram (56 KB) EPS (Encapsulated Postscript): 10He (1.6 MB) 10Li (1.6 MB) 10Be

  17. Energy Level Diagrams A=11

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

    1 Available in the following years: (2012), (1990), (1985), (1980), (1975), (1968), (1959) A=11 Energy Level Diagrams from (2012KE01) PNG (Graphic Interchange Format): 11Li (26 KB) 11Be (66 KB) 11Li decay scheme (95 KB) 11B (147 KB) 11C (109 KB) 11N (25 KB) Isobar diagram (74 KB) PDF (Portable Document Format): 11Li (28 KB) 11Be (126 KB) 11Li decay scheme (185 KB) 11B (287 KB) 11C (185 KB) 11N (28 KB) Isobar diagram (245 KB) EPS (Encapsulated Postscript): 11Li (1807 KB) 11Be (2213 KB) 11Li decay

  18. Liquid-level sensing device

    DOE Patents [OSTI]

    Goldfuss, G.T.

    1975-09-16

    This invention relates to a device for sensing the level of a liquid while preventing the deposition and accumulation of materials on the exterior surfaces thereof. Two dissimilar metal wires are enclosed within an electrical insulating material, the wires being joined together at one end to form a thermocouple junction outside the insulating material. Heating means is disposed within the electrical insulating material and maintains the device at a temperature substantially greater than that of the environment surrounding the device, the heating means being electrically insulated from the two dissimilar thermocouple wires. In addition, a metal sheath surrounds and contacts both the electrical insulating material and the thermocouple junction. Electrical connections are provided for connecting the heating means with a power source and for connecting the thermocouple wires with a device for sensing the electrical potential across the thermocouple junction. (auth)

  19. Fluorescent optical liquid level sensor

    DOE Patents [OSTI]

    Weiss, Jonathan D. (Albuquerque, NM)

    2001-01-01

    A liquid level sensor comprising a transparent waveguide containing fluorescent material that is excited by light of a first wavelength and emits at a second, longer wavelength. The upper end of the waveguide is connected to a light source at the first wavelength through a beveled portion of the waveguide such that the input light is totally internally reflected within the waveguide above an air/liquid interface in a tank but is transmitted into the liquid below this interface. Light is emitted from the fluorescent material only in those portions of the waveguide that are above the air/liquid interface, to be collected at the upper end of the waveguide by a detector that is sensitive only to the second wavelength. As the interface moves down in the tank, the signal strength from the detector will increase.

  20. High level white noise generator

    DOE Patents [OSTI]

    Borkowski, Casimer J.; Blalock, Theron V.

    1979-01-01

    A wide band, stable, random noise source with a high and well-defined output power spectral density is provided which may be used for accurate calibration of Johnson Noise Power Thermometers (JNPT) and other applications requiring a stable, wide band, well-defined noise power spectral density. The noise source is based on the fact that the open-circuit thermal noise voltage of a feedback resistor, connecting the output to the input of a special inverting amplifier, is available at the amplifier output from an equivalent low output impedance caused by the feedback mechanism. The noise power spectral density level at the noise source output is equivalent to the density of the open-circuit thermal noise or a 100 ohm resistor at a temperature of approximately 64,000 Kelvins. The noise source has an output power spectral density that is flat to within 0.1% (0.0043 db) in the frequency range of from 1 KHz to 100 KHz which brackets typical passbands of the signal-processing channels of JNPT's. Two embodiments, one of higher accuracy that is suitable for use as a standards instrument and another that is particularly adapted for ambient temperature operation, are illustrated in this application.

  1. Optimizing High Level Waste Disposal

    SciTech Connect (OSTI)

    Dirk Gombert

    2005-09-01

    If society is ever to reap the potential benefits of nuclear energy, technologists must close the fuel-cycle completely. A closed cycle equates to a continued supply of fuel and safe reactors, but also reliable and comprehensive closure of waste issues. High level waste (HLW) disposal in borosilicate glass (BSG) is based on 1970s era evaluations. This host matrix is very adaptable to sequestering a wide variety of radionuclides found in raffinates from spent fuel reprocessing. However, it is now known that the current system is far from optimal for disposal of the diverse HLW streams, and proven alternatives are available to reduce costs by billions of dollars. The basis for HLW disposal should be reassessed to consider extensive waste form and process technology research and development efforts, which have been conducted by the United States Department of Energy (USDOE), international agencies and the private sector. Matching the waste form to the waste chemistry and using currently available technology could increase the waste content in waste forms to 50% or more and double processing rates. Optimization of the HLW disposal system would accelerate HLW disposition and increase repository capacity. This does not necessarily require developing new waste forms, the emphasis should be on qualifying existing matrices to demonstrate protection equal to or better than the baseline glass performance. Also, this proposed effort does not necessarily require developing new technology concepts. The emphasis is on demonstrating existing technology that is clearly better (reliability, productivity, cost) than current technology, and justifying its use in future facilities or retrofitted facilities. Higher waste processing and disposal efficiency can be realized by performing the engineering analyses and trade-studies necessary to select the most efficient methods for processing the full spectrum of wastes across the nuclear complex. This paper will describe technologies being

  2. PROJECT PROFILE: Advanced Thermal Management for Higher Module Power Output

    Broader source: Energy.gov [DOE]

    Higher temperatures of photovoltaic (PV) modules are causing lower than projected module performance. For example, a free-standing Si PV module has 0.4% decrease in efficiency per degree Celsius. Reducing the module temperature to near ambient levels will increase yearly energy output by 8%. This project will enable lower operating temperatures for modules, resulting in higher module power output and lower levelized cost of electricity (LCOE).

  3. High Level Waste System Plan Revision 9

    SciTech Connect (OSTI)

    Davis, N.R.; Wells, M.N.; Choi, A.S.; Paul, P.; Wise, F.E.

    1998-04-01

    Revision 9 of the High Level Waste System Plan documents the current operating strategy of the HLW System at SRS to receive, store, treat, and dispose of high-level waste.

  4. ARM - Sea Level and Climate Change

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

    ... This is particularly true if severe storms such as hurricanes and typhoons become more frequent. Statistics on Sea Level Rise According to many studies, the global mean sea level ...

  5. PROJECT PROFILE: Addressing Soiling: From Interface Chemistry to

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

    Practicality | Department of Energy Addressing Soiling: From Interface Chemistry to Practicality PROJECT PROFILE: Addressing Soiling: From Interface Chemistry to Practicality Funding Opportunity: SuNLaMP SunShot Subprogram: Photovoltaics Location: National Renewable Energy Laboratory, Golden, CO Amount Awarded: $6,000,000 Natural soiling is responsible for about 4% output power loss and may be adding one cent per kilowatt hour to the levelized cost of energy (LCOE) depending on the site.

  6. Project Profile: Encapsulated Phase Change Material in Thermal Storage for

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

    Baseload CSP Plants | Department of Energy Concentrating Solar Power » Project Profile: Encapsulated Phase Change Material in Thermal Storage for Baseload CSP Plants Project Profile: Encapsulated Phase Change Material in Thermal Storage for Baseload CSP Plants Terrafore logo Terrafore, under the Baseload CSP FOA, developed novel encapsulated phase change materials (PCM) for use in thermal storage applications to significantly reduce the levelized cost of energy (LCOE) for baseload CSP

  7. GETEM -Geothermal Electricity Technology Evaluation Model

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

    1 GETEM -Geothermal Electricity Technology Evaluation Model Background: GETEM was originally developed for the Department of Energy's Geothermal Technologies Program to provide both a method for quantifying the power generation cost from geothermal energy, and a means of assessing how technology advances might impact those generation costs. Generation cost is determined as the Levelized-Cost-of-Electricity (LCOE). The model is intended to provide representative estimates of cost and performance

  8. NREL: Energy Analysis - Michael Woodhouse

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

    Woodhouse Photo of Michael Woodhouse Michael Woodhouse is a member of the Technology Systems and Sustainability Analysis Group in the Strategic Energy Analysis Center. Solar PV Technologies and Economics Analyst On staff since 2008 Phone number: 303-384-7623 E-mail: Michael.Woodhouse@nrel.gov Areas of expertise Fundamental science of photovoltaics (PV) and solar hydrogen technologies Economics of PV - From manufacturing to levelized cost of energy (LCOE) Primary research interests Manufacturing

  9. NREL Identifies Investments for Wind Turbine Drivetrain Technologies (Fact Sheet), NREL Highlights, Research & Development, NREL (National Renewable Energy Laboratory)

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

    examines current U.S. manufacturing and supply chain capabilities for advanced wind turbine drivetrain technologies. Innovative technologies are helping boost the capacity and operating reliability of conventional wind turbine drivetrains. With the proper manufacturing and supply chain capabilities in place, the United States can better develop and deploy these advanced technologies- increasing the competitiveness of the U.S. wind industry and reducing the levelized cost of energy (LCOE).

  10. Solar Advisor Model; Session: Modeling and Analysis (Presentation)

    SciTech Connect (OSTI)

    Blair, N.

    2008-04-01

    This project supports the Solar America Initiative by: (1) providing a consistent framework for analyzing and comparing power system costs and performance across the range of solar technologies and markets, PV, solar heat systems, CSP, residential, commercial and utility markets; (2) developing and validating performance models to enable accurate calculation of levelized cost of energy (LCOE); (3) providing a consistent modeling platform for all TPP's; and (4) supporting implementation and usage of cost models.

  11. Call for Proposals: DuraMat Consortium | Department of Energy

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

    Call for Proposals: DuraMat Consortium Call for Proposals: DuraMat Consortium Funding Amount: $30,000,000 Description This Call for Proposals is intended to establish a national laboratory-led Energy Materials Network (EMN) Consortium for durable module materials (DuraMat) aimed at dramatically accelerating the development of new module materials that enable significant reductions in the levelized cost of energy (LCOE) of photovoltaic (PV) systems. It is envisioned that the DuraMat EMN

  12. DOE Office of Indian Energy Renewable Energy Project Development: Advanced Financing Concepts

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

    Concepts Why It Makes Sense to Bring on a Third-Party Partner Course Outline What we will cover...  About the DOE Office of Indian Energy Education Initiative  Concepts for Financing Renewable Energy Projects on Tribal Lands - Levelized Cost of Energy (LCOE) - Business Structures - Tax-Equity Partnerships - Introduction  Additional Information and Resources 2 Introduction The U.S. Department of Energy (DOE) Office of Indian Energy Policy and Programs is responsible for assisting Tribes

  13. SunShot Vision Study: February 2012 (Book), SunShot, Energy Efficiency & Renewable Energy (EERE)

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

    69 4. Photovoltaics: Technologies, Cost, and Performance 4.1 INTRODUCTION Photovoltaic (PV) technologies currently supply only a small fraction of U.S. energy needs, largely because PV-generated electricity historically has cost more than electricity from conventional sources. Achieving the SunShot Initiative's PV cost- reduction targets-reducing the price of PV systems by about 75% by 2020-is projected to make PV competitive with conventional sources on a levelized cost of energy (LCOE) basis.

  14. Cost Analysis: Technology, Competitiveness, Market Uncertainty | Department

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

    of Energy Technology to Market » Cost Analysis: Technology, Competitiveness, Market Uncertainty Cost Analysis: Technology, Competitiveness, Market Uncertainty As a basis for strategic planning, competitiveness analysis, funding metrics and targets, SunShot supports analysis teams at national laboratories to assess technology costs, location-specific competitive advantages, policy impacts on system financing, and to perform detailed levelized cost of energy (LCOE) analyses. This shows the

  15. Oxygenate Supply/Demand Balances

    Gasoline and Diesel Fuel Update (EIA)

    Energy Conference June 17, 2013 Chris Namovicz Assessing the Economic Value of New Utility-Scale Renewable Generation Projects Overview * Levelized cost of energy (LCOE) has been used by planners, analysts, policymakers, advocates and others to assess the economic competitiveness of technology options in the electric power sector * While of limited usefulness in the analysis of "conventional" utility systems, this approach is not generally appropriate when considering

  16. Energy Level Diagrams A=4-20

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

    Energy Level Diagrams A = 4 - 20 Nuclei If your web browser supports imagemaps, try our "Chart of the Nuclides"-style interface for one of the following format options [available only for energy level diagrams from the most recent evaluation and/or preliminary evaluation]. Graphic Interchange Format (GIF) Portable Document Format (PDF) Encapsulated Postscript (EPS) To view all of the Energy Level Diagrams available for each mass chain, including the most recent versions as well as

  17. Materials Discovery across Technological Readiness Levels | Materials

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

    Science | NREL Materials Discovery across Technological Readiness Levels Materials discovery is important across technology readiness levels: basic science, applied research, and device development. Over the past several years, NREL has worked at each of these levels, demonstrating our competence in a broad range of materials discovery problems. Basic Science An image of a triangular diagram with tantalum-cobalt-tin at the top vertex, tantalum at the lower left vertex, and cobalt at the

  18. Low-level waste program technical strategy

    SciTech Connect (OSTI)

    Bledsoe, K.W.

    1994-10-01

    The Low-Level Waste Technical Strategy document describes the mechanisms which the Low-Level Waste Program Office plans to implement to achieve its mission. The mission is to manage the receipt, immobilization, packaging, storage/disposal and RCRA closure (of the site) of the low-level Hanford waste (pretreated tank wastes) in an environmentally sound, safe and cost-effective manner. The primary objective of the TWRS Low-level waste Program office is to vitrify the LLW fraction of the tank waste and dispose of it onsite.

  19. Operating Experience Level 3: Radiologically Contaminated Respirators...

    Energy Savers [EERE]

    Experience Level 3 provides information on a safety concern related to radiological contamination of launderedreconditioned respirators and parts that have been certified as...

  20. 2017 Levelized Costs AEO 2012 Early Release

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

    in 2016. On January 16, economic sanctions on Iran related to its nuclear program were lifted, officially allowing Iran to increase its crude oil production and export levels. ...

  1. IEA Wind Task 26. Wind Technology, Cost and Performance Trends in Denmark, Germany, Ireland, Norway, the European Union, and the United States. 2007 - 2012

    SciTech Connect (OSTI)

    Vitina, Aisma; Luers, Silke; Wallasch, Anna-Kathrin; Berkhout, Volker; Duffy, Aidan; Cleary, Brendan; Husabo, Leif I.; Weir, David E.; Lacal-Arantegui, Roberto; Hand, M. Maureen; Lantz, Eric; Belyeu, Kathy; Wiser, Ryan; Bolinger, Mark; Hoen, Ben

    2015-06-12

    This report builds from a similar previous analysis (Schwabe et al., 2011) exploring the differences in cost of wind energy in 2008 among countries participating in IEA Wind Task 26 at that time. The levelized cost of energy (LCOE) is a widely recognized metric for understanding how technology, capital investment, operations, and financing impact the life-cycle cost of building and operating a wind plant. Schwabe et al. (2011) apply a spreadsheet-based cash flow model developed by the Energy Research Centre of the Netherlands (ECN) to estimate LCOE. This model is a detailed, discounted cash flow model used to represent the various cost structures in each of the participating countries from the perspective of a financial investor in a domestic wind energy project. This model is used for the present analysis as well, and comparisons are made for those countries who contributed to both reports, Denmark, Germany, and the United States.

  2. Operating Experience Level 3, Atmospheric Dispersion Parameter...

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

    5 OE-3 2015-02: Atmospheric Dispersion Parameter (xQ) for Calculation of Co-located Worker Dose This Operating Experience Level 3 (OE-3) document informs the complex of the...

  3. Tank farms compacted low-level waste

    SciTech Connect (OSTI)

    Hetzer, D.C.

    1997-08-01

    This report describes the process of Low-Level Waste (LLW) volume reduction by compaction. Also included is the data used for characterization of LLW destined for compaction. Scaling factors (ratios) are formed based on data contained in this report.

  4. Tank farms compacted low level waste

    SciTech Connect (OSTI)

    Waters, M.S., Westinghouse Hanford

    1996-07-01

    This report describes the process of Low Level Waste (LLW) volume reduction by compaction. Also included is the data used for characterization of LLW destined for compaction. Scaling factors (ratios) are formed based on data contained in this report.

  5. Operating Experience Level 3, Electrical Safety: Shocks

    Broader source: Energy.gov [DOE]

    OE-3: 2015-03 This Operating Experience Level 3 (OE-3) document provides information about a safety concern related to electrical shocks workers have received while performing work at Department of Energy (DOE) facilities.

  6. Level-2 Calorimeter Trigger Upgrade at CDF

    SciTech Connect (OSTI)

    Flanagan, G.U.; /Purdue U.

    2007-04-01

    The CDF Run II Level-2 calorimeter trigger is implemented in hardware and is based on an algorithm used in Run I. This system insured good performance at low luminosity obtained during the Tevatron Run II. However, as the Tevatron instantaneous luminosity increases, the limitations of the current system due to the algorithm start to become clear. In this paper, we will present an upgrade of the Level-2 calorimeter trigger system at CDF. The upgrade is based on the Pulsar board, a general purpose VME board developed at CDF and used for upgrading both the Level-2 tracking and the Level-2 global decision crate. This paper will describe the design, hardware and software implementation, as well as the advantages of this approach over the existing system.

  7. Improvements to mixture level tracking model

    SciTech Connect (OSTI)

    Weaver, W.L.

    1996-04-01

    The purpose of this paper is to present the results of the testing of the recent improvements made to the two-phase level tracking model in RELAP5/MOD3.2. The level model was originally developed during the development of the TRAC-BWR computer code and was subsequently modified by the Pennsylvania State University (PSU). The modifications developed at PSU concern the way in which the two-phase level is moved from volume to volume as the thermal-hydraulic conditions in the system being simulated change during the course of a transients. The other components in the level tracking model remain as described in the original implementation of the model.

  8. Designating Efficiency Levels for Product Categories | Department...

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

    Products in these categories must meet efficiency levels set by FEMP or the U.S. ... To determine if a product category should be considered for a FEMP-designated efficiency ...

  9. Operating Experience Level 3, Ladder Safety

    Office of Energy Efficiency and Renewable Energy (EERE)

    OE-3 2016-04: This Operating Experience Level 3 (OE-3) document provides information about a safety concern related to workers who use ladders during work at Department of Energy (DOE) facilities.

  10. ARM - Lesson Plans: Past Sea Level Data

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

    the information given in the following table, which lists the sea level for the last 250,000 years, as recorded by thoriumuranium dating of coral reefs off Papua New Guinea. ...

  11. ARM - Sea Surface and Sea Level

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

    ... To be exact, it is an action of uplift or subsidence of large area of continent or ocean ... the Pacific coast of the United States compared with the sea level off the Atlantic coast. ...

  12. A=4-20 Level Diagrams (EPS)

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

    A = 4 - 20 Level Diagrams - EPS format The Image Map below will direct you to the most recent, updated Energy Level Diagram for that particular nuclide. To view previous Energy Level Diagrams from past reviews, please refer to the list at the bottom of the page. Click on the button corresponding to the nucleus (or mass chain) for which you would like to see a level diagram. 20Mg 18Na 19Na 20Na 16Ne 17Ne 18Ne 19Ne 20Ne 14F 15F 16F 17F 18F 19F 20F 12O 13O 14O 15O 16O 17O 18O 19O 20O 10N 11N 12N

  13. Levelized Cost of Energy: A Parametric Study

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

    Even if all other variables are held constant, the annual energy yield (kWhkW p ) will vary among module technologies because of differences in response to low-light levels and ...

  14. Low-level-waste-form criteria

    SciTech Connect (OSTI)

    Barletta, R.E.; Davis, R.E.

    1982-01-01

    Efforts in five areas are reported: technical considerations for a high-integrity container for resin wastes; permissible radionuclide loadings for organic ion exchange resin wastes; technical factors affecting low-level waste form acceptance requirements of the proposed 10 CFR 61 and draft BTP; modeling of groundwater transport; and analysis of soils from low-level waste disposal sites (Barnwell, Hanford, and Sheffield). (DLC)

  15. Features, Events, and Processes: system Level

    SciTech Connect (OSTI)

    D. McGregor

    2004-10-15

    The purpose of this analysis report is to evaluate and document the inclusion or exclusion of the system-level features, events, and processes (FEPs) with respect to modeling used to support the total system performance assessment for the license application (TSPA-LA). A screening decision, either Included or Excluded, is given for each FEP along with the technical basis for screening decisions. This information is required by the U.S. Nuclear Regulatory Commission (NRC) at 10 CFR 63.113 (d, e, and f) (DIRS 156605). The system-level FEPs addressed in this report typically are overarching in nature, rather than being focused on a particular process or subsystem. As a result, they are best dealt with at the system level rather than addressed within supporting process-level or subsystem-level analyses and models reports. The system-level FEPs also tend to be directly addressed by regulations, guidance documents, or assumptions listed in the regulations; or are addressed in background information used in development of the regulations. For included FEPs, this analysis summarizes the implementation of the FEP in the TSPA-LA (i.e., how the FEP is included). For excluded FEPs, this analysis provides the technical basis for exclusion from the TSPA-LA (i.e., why the FEP is excluded). The initial version of this report (Revision 00) was developed to support the total system performance assessment for site recommendation (TSPA-SR). This revision addresses the license application (LA) FEP List (DIRS 170760).

  16. Waste Segregation Based on Derived Clearance Levels

    SciTech Connect (OSTI)

    Garisto, N.C.; Parhizgari, Z.

    2008-07-01

    This paper describes the methodology and results of a radiological modeling in support of an application to release very low level radiologically contaminated waste from regulatory control and allow its haulage and disposal in a hazardous waste landfill. The Canadian regulatory body responsible for licensing operations involving nuclear materials (the Canadian Nuclear Safety Commission), has not yet formally defined clearance levels for free release of low level radiologically contaminated waste. The IAEA clearance levels have been derived for certain situations and receptor characteristics, which might be too conservative for an actual case. A site-specific pathways analysis was therefore completed to define conditional clearance levels using the concept of de minimis dose limit. Derived Conditional Clearance Levels were calculated for each radionuclide based on the maximally exposed hypothetical individuals to determine whether each waste stream can be 'cleared' from regulatory controls. The results showed that haulage of the waste from the station to the haulage/processing facility and transportation of waste or sludge from the haulage/processing facility to the disposal facility, handling of the waste or sludge at the haulage/processing facility, and incineration and/or disposal of waste or sludge at the disposal facility would not expose the workers to doses above 0.1 {mu}Sv/yr., which is less than the de minimis dose limit of 10 {mu}Sv/yr. (authors)

  17. Ocean Thermal Energy Conversion Life Cycle Cost Assessment, Final Technical Report, 30 May 2012

    SciTech Connect (OSTI)

    Martel, Laura; Smith, Paul; Rizea, Steven; Van Ryzin, Joe; Morgan, Charles; Noland, Gary; Pavlosky, Rick; Thomas, Michael; Halkyard, John

    2012-05-30

    The Ocean Thermal Energy Conversion (OTEC) Life Cycle Cost Assessment (OLCCA) is a study performed by members of the Lockheed Martin (LM) OTEC Team under funding from the Department of Energy (DOE), Award No. DE-EE0002663, dated 01/01/2010. OLCCA objectives are to estimate procurement, operations and maintenance, and overhaul costs for two types of OTEC plants: -Plants moored to the sea floor where the electricity produced by the OTEC plant is directly connected to the grid ashore via a marine power cable (Grid Connected OTEC plants) -Open-ocean grazing OTEC plant-ships producing an energy carrier that is transported to designated ports (Energy Carrier OTEC plants) Costs are developed using the concept of levelized cost of energy established by DOE for use in comparing electricity costs from various generating systems. One area of system costs that had not been developed in detail prior to this analysis was the operations and sustainment (O&S) cost for both types of OTEC plants. Procurement costs, generally referred to as capital expense and O&S costs (operations and maintenance (O&M) costs plus overhaul and replacement costs), are assessed over the 30 year operational life of the plants and an annual annuity calculated to achieve a levelized cost (constant across entire plant life). Dividing this levelized cost by the average annual energy production results in a levelized cost of electricity, or LCOE, for the OTEC plants. Technical and production efficiency enhancements that could result in a lower value of the OTEC LCOE were also explored. The thermal OTEC resource for Oahu, Hawaii and projected build out plan were developed. The estimate of the OTEC resource and LCOE values for the planned OTEC systems enable this information to be displayed as energy supplied versus levelized cost of the supplied energy; this curve is referred to as an Energy Supply Curve. The Oahu Energy Supply Curve represents initial OTEC deployment starting in 2018 and demonstrates the

  18. Economics of Developing Hot Stratigraphic Reservoirs

    SciTech Connect (OSTI)

    Greg Mines; Hillary Hanson; Rick Allis; Joseph Moore

    2014-09-01

    Stratigraphic geothermal reservoirs at 3 – 4 km depth in high heat-flow basins are capable of sustaining 100 MW-scale power plants at about 10 c/kWh. This paper examines the impacts on the levelized cost of electricity (LCOE) of reservoir depth and temperature, reservoir productivity, and drillhole/casing options. For a reservoir at 3 km depth with a moderate productivity index by hydrothermal reservoir standards (about 50 L/s/MPa, 5.6 gpm/psi), an LCOE of 10c/kWh requires the reservoir to be at about 200°C. This is the upper temperature limit for pumps. The calculations assume standard hydrothermal drilling costs, with the production interval completed with a 7 inch liner in an 8.5 inch hole. If a reservoir at 4 km depth has excellent permeability characteristics with a productivity index of 100 L/s/MPa (11.3 gpm/psi), then the LCOE is about 11 c/kWh assuming the temperature decline rate with development is not excessive (< 1%/y, with first thermal breakthrough delayed by about 10 years). Completing wells with modest horizontal legs (e.g. several hundred meters) may be important for improving well productivity because of the naturally high, sub-horizontal permeability in this type of reservoir. Reducing the injector/producer well ratio may also be cost-effective if the injectors are drilled as larger holes.

  19. Torsional ultrasonic wave based level measurement system

    DOE Patents [OSTI]

    Holcomb, David E.; Kisner, Roger A.

    2012-07-10

    A level measurement system suitable for use in a high temperature and pressure environment to measure the level of coolant fluid within the environment, the system including a volume of coolant fluid located in a coolant region of the high temperature and pressure environment and having a level therein; an ultrasonic waveguide blade that is positioned within the desired coolant region of the high temperature and pressure environment; a magnetostrictive electrical assembly located within the high temperature and pressure environment and configured to operate in the environment and cooperate with the waveguide blade to launch and receive ultrasonic waves; and an external signal processing system located outside of the high temperature and pressure environment and configured for communicating with the electrical assembly located within the high temperature and pressure environment.

  20. Statistical approach to nuclear level density

    SciTech Connect (OSTI)

    Sen'kov, R. A.; Horoi, M.; Zelevinsky, V. G.

    2014-10-15

    We discuss the level density in a finite many-body system with strong interaction between the constituents. Our primary object of applications is the atomic nucleus but the same techniques can be applied to other mesoscopic systems. We calculate and compare nuclear level densities for given quantum numbers obtained by different methods, such as nuclear shell model (the most successful microscopic approach), our main instrument - moments method (statistical approach), and Fermi-gas model; the calculation with the moments method can use any shell-model Hamiltonian excluding the spurious states of the center-of-mass motion. Our goal is to investigate statistical properties of nuclear level density, define its phenomenological parameters, and offer an affordable and reliable way of calculation.

  1. A=4-20 Level Diagrams (GIF)

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

    GIF format The Image Map below will direct you to the most recent, updated Energy Level Diagram for that particular nuclide. To view previous Energy Level Diagrams from past reviews, please refer to the list at the bottom of the page. Click on the button corresponding to the nucleus (or mass chain) for which you would like to see a level diagram. 20Mg 18Na 19Na 20Na 16Ne 17Ne 18Ne 19Ne 20Ne 14F 15F 16F 17F 18F 19F 20F 12O 13O 14O 15O 16O 17O 18O 19O 20O 10N 11N 12N 13N 14N 15N 16N 17N 18N 19N

  2. A=4-20 Level Diagrams (PDF)

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

    PDF format The Image Map below will direct you to the most recent, updated Energy Level Diagram for that particular nuclide. To view previous Energy Level Diagrams from past reviews, please refer to the list at the bottom of the page. Click on the button corresponding to the nucleus (or mass chain) for which you would like to see a level diagram. 20Mg 18Na 19Na 20Na 16Ne 17Ne 18Ne 19Ne 20Ne 14F 15F 16F 17F 18F 19F 20F 12O 13O 14O 15O 16O 17O 18O 19O 20O 10N 11N 12N 13N 14N 15N 16N 17N 18N 19N

  3. Technical safety requirements control level verification

    SciTech Connect (OSTI)

    STEWART, J.L.

    1999-05-21

    A Technical Safety Requirement (TSR) control level verification process was developed for the Tank Waste Remediation System (TWRS) TSRs at the Hanford Site in Richland, WA, at the direction of the US. Department of Energy, Richland Operations Office (RL). The objective of the effort was to develop a process to ensure that the TWRS TSR controls are designated and managed at the appropriate levels as Safety Limits (SLs), Limiting Control Settings (LCSs), Limiting Conditions for Operation (LCOs), Administrative Controls (ACs), or Design Features. The TSR control level verification process was developed and implemented by a team of contractor personnel with the participation of Fluor Daniel Hanford, Inc. (FDH), the Project Hanford Management Contract (PHMC) integrating contractor, and RL representatives. The team was composed of individuals with the following experience base: nuclear safety analysis; licensing; nuclear industry and DOE-complex TSR preparation/review experience; tank farm operations; FDH policy and compliance; and RL-TWRS oversight. Each TSR control level designation was completed utilizing TSR control logic diagrams and TSR criteria checklists based on DOE Orders, Standards, Contractor TSR policy, and other guidance. The control logic diagrams and criteria checklists were reviewed and modified by team members during team meetings. The TSR control level verification process was used to systematically evaluate 12 LCOs, 22 AC programs, and approximately 100 program key elements identified in the TWRS TSR document. The verification of each TSR control required a team consensus. Based on the results of the process, refinements were identified and the TWRS TSRs were modified as appropriate. A final report documenting key assumptions and the control level designation for each TSR control was prepared and is maintained on file for future reference. The results of the process were used as a reference in the RL review of the final TWRS TSRs and control suite. RL

  4. Fault-tolerant three-level inverter

    DOE Patents [OSTI]

    Edwards, John; Xu, Longya; Bhargava, Brij B.

    2006-12-05

    A method for driving a neutral point clamped three-level inverter is provided. In one exemplary embodiment, DC current is received at a neutral point-clamped three-level inverter. The inverter has a plurality of nodes including first, second and third output nodes. The inverter also has a plurality of switches. Faults are checked for in the inverter and predetermined switches are automatically activated responsive to a detected fault such that three-phase electrical power is provided at the output nodes.

  5. Closed-field capacitive liquid level sensor

    DOE Patents [OSTI]

    Kronberg, James W.

    1998-01-01

    A liquid level sensor based on a closed field circuit comprises a ring oscillator using a symmetrical array of plate units that creates a displacement current. The displacement current varies as a function of the proximity of a liquid to the plate units. The ring oscillator circuit produces an output signal with a frequency inversely proportional to the presence of a liquid. A continuous liquid level sensing device and a two point sensing device are both proposed sensing arrangements. A second set of plates may be located inside of the probe housing relative to the sensing plate units. The second set of plates prevent any interference between the sensing plate units.

  6. Closed-field capacitive liquid level sensor

    DOE Patents [OSTI]

    Kronberg, J.W.

    1995-01-01

    A liquid level sensor based on a closed field circuit comprises a ring oscillator using a symmetrical array of plate units that creates a displacement current. The displacement current varies as a function of the proximity of a liquid to the plate units. The ring oscillator circuit produces an output signal with a frequency inversely proportional to the presence of a liquid. A continuous liquid level sensing device and a two point sensing device are both proposed sensing arrangements. A second set of plates may be located inside of the probe housing relative to the sensing plate units. The second set of plates prevent any interference between the sensing plate units.

  7. Closed-field capacitive liquid level sensor

    DOE Patents [OSTI]

    Kronberg, J.W.

    1998-03-03

    A liquid level sensor based on a closed field circuit comprises a ring oscillator using a symmetrical array of plate units that creates a displacement current. The displacement current varies as a function of the proximity of a liquid to the plate units. The ring oscillator circuit produces an output signal with a frequency inversely proportional to the presence of a liquid. A continuous liquid level sensing device and a two point sensing device are both proposed sensing arrangements. A second set of plates may be located inside of the probe housing relative to the sensing plate units. The second set of plates prevent any interference between the sensing plate units. 12 figs.

  8. High-level radioactive wastes. Supplement 1

    SciTech Connect (OSTI)

    McLaren, L.H.

    1984-09-01

    This bibliography contains information on high-level radioactive wastes included in the Department of Energy's Energy Data Base from August 1982 through December 1983. These citations are to research reports, journal articles, books, patents, theses, and conference papers from worldwide sources. Five indexes, each preceded by a brief description, are provided: Corporate Author, Personal Author, Subject, Contract Number, and Report Number. 1452 citations.

  9. PAIRWISE BLENDING OF HIGH LEVEL WASTE (HLW)

    SciTech Connect (OSTI)

    CERTA, P.J.

    2006-02-22

    The primary objective of this study is to demonstrate a mission scenario that uses pairwise and incidental blending of high level waste (HLW) to reduce the total mass of HLW glass. Secondary objectives include understanding how recent refinements to the tank waste inventory and solubility assumptions affect the mass of HLW glass and how logistical constraints may affect the efficacy of HLW blending.

  10. Operating Experience Level 3, Explosives Safety

    Broader source: Energy.gov [DOE]

    This Operating Experience Level 3 (OE-3) document provides information about the dangers inherent in material handling and the role hazard analysis, work planning, and walkdowns can play in preventing injuries during heavy equipment moves. More than 200 material handling events reported to the Occurrence Reporting and Processing System (ORPS) from January 1, 2010, through August 31, 2014.

  11. Fiber-optic liquid level sensor

    DOE Patents [OSTI]

    Weiss, Jonathan D.

    1991-01-01

    A fiber-optic liquid level sensor measures the height of a column of liquid through the hydrostatic pressure it produces. The sensor employs a fiber-optic displacement sensor to detect the pressure-induced displacement of the center of a corrugated diaphragm.

  12. Diverless subsea template levelling system and method

    SciTech Connect (OSTI)

    Cowan, W.S.

    1984-05-01

    A diverless system is disclosed for levelling a template adjacent the floor of a body of water. It comprises a plurality of fluid-pressure activated gripping assemblies pivotally coupled to the template and receiving the supporting piles therein, with portions of the piles extending above the template; and a jacking assembly capable of being lowered down each of the piles, releasably connected to the template adjacent the associated gripping assembly and raising or lowering the template in the area each of each pile to level the template. The jacking assembly comprises an outer housing, and a double acting hydraulic piston slidably received in the housing, with a pile gripping assembly being coupled to the piston. The gripping assembly in the jacking assembly and those in the template are each formed from a plurality of ring segments that are serrated on the inside and have tapered ribs on the outside, these segments being received in a bowl having corresponding tapered ribs. The segments are spring biased upwardly and inwardly into the pile gripping position and released downwardly and outwardly by hydraulically actuated pistons. Without diver intervention, fluid under pressure is delivered to the gripping assemblies coupled to the template. The method of installing the template comprises landing the template on the floor of the body of water, passing a set of casing piles through passageways in the template and implanting the casing piles in the floor of the body of water with portions of the piles extending above the template, levelling the template, and rigidly connecting the levelled template to the piles. The step of levelling the template includes actuating the gripping assemblies coupled to the template. This step is preceded by the step of remotely delivering fluid under pressure from a fluid reservoir at the surface of the sea to each gripping assembly without underwater manual, i.e., diver, intervention.

  13. Level: National Data; Row: NAICS Codes; Column: Levels of Price Difference;

    U.S. Energy Information Administration (EIA) Indexed Site

    6 Percent of Establishments by Levels of Price Difference that Would Cause Fuel Switching from Coal to a Less Expensive Substitute, 2010; Level: National Data; Row: NAICS Codes; Column: Levels of Price Difference; Unit: Establishment Counts. Would Switch Would Not Estimate to More NAICS Establishments Switch Due 1 to 10 11 to 25 26 to 50 Over 50 Cannot Expensive Code(a) Subsector and Industry Able to Switch(b) to Price Percent Percent Percent Percent Be Provided Substitute Total United States

  14. High-Level Waste Melter Review

    SciTech Connect (OSTI)

    Ahearne, J.; Gentilucci, J.; Pye, L. D.; Weber, T.; Woolley, F.; Machara, N. P.; Gerdes, K.; Cooley, C.

    2002-02-26

    The U.S. Department of Energy (DOE) is faced with a massive cleanup task in resolving the legacy of environmental problems from years of manufacturing nuclear weapons. One of the major activities within this task is the treatment and disposal of the extremely large amount of high-level radioactive (HLW) waste stored at the Hanford Site in Richland, Washington. The current planning for the method of choice for accomplishing this task is to vitrify (glassify) this waste for disposal in a geologic repository. This paper describes the results of the DOE-chartered independent review of alternatives for solidification of Hanford HLW that could achieve major cost reductions with reasonable long-term risks, including recommendations on a path forward for advanced melter and waste form material research and development. The potential for improved cost performance was considered to depend largely on increased waste loading (fewer high-level waste canisters for disposal), higher throughput, or decreased vitrification facility size.

  15. Background compensation for a radiation level monitor

    DOE Patents [OSTI]

    Keefe, D.J.

    1975-12-01

    Background compensation in a device such as a hand and foot monitor is provided by digital means using a scaler. With no radiation level test initiated, a scaler is down-counted from zero according to the background measured. With a radiation level test initiated, the scaler is up-counted from the previous down-count position according to the radiation emitted from the monitored object and an alarm is generated if, with the scaler having crossed zero in the positive going direction, a particular number is exceeded in a specific time period after initiation of the test. If the test is initiated while the scale is down-counting, the background count from the previous down- count stored in a memory is used as the initial starting point for the up-count.

  16. Electronic multi-purpose material level sensor

    DOE Patents [OSTI]

    McEwan, T.E.

    1997-03-11

    The present electronic multi-purpose material level sensor is based on time domain reflectometry (TDR) of very short electrical pulses. Pulses are propagated along a transmission line that is partially immersed in a liquid, powder, or other substance such as grain in a silo. The time difference of the reflections at the start of the transmission line and the air/liquid interface are used to determine levels to better than 0.01 inch. The sensor is essentially independent of circuit element and temperature variations, and can be mass produced at an extremely low price. The transmission line may be a Goubau line, microstrip, coaxial cable, twin lead, CPS or CPW, and may typically be a strip placed along the inside wall of a tank. The reflected pulses also contain information about strata within the liquid such as sludge-build-up at the bottom of an oil tank. 9 figs.

  17. Electronic multi-purpose material level sensor

    DOE Patents [OSTI]

    McEwan, Thomas E.

    1997-01-01

    The present electronic multi-purpose material level sensor is based on time domain reflectometry (TDR) of very short electrical pulses. Pulses are propagated along a transmission line that is partially immersed in a liquid, powder, or other substance such as grain in a silo. The time difference of the reflections at the start of the transmission line and the air/liquid interface are used to determine levels to better than 0.01 inch. The sensor is essentially independent of circuit element and temperature variations, and can be mass produced at an extremely low price. The transmission line may be a Goubau line, microstrip, coaxial cable, twin lead, CPS or CPW, and may typically be a strip placed along the inside wall of a tank. The reflected pulses also contain information about strata within the liquid such as sludge-build-up at the bottom of an oil tank.

  18. High-Level Waste Melter Study Report

    SciTech Connect (OSTI)

    Perez Jr, Joseph M; Bickford, Dennis F; Day, Delbert E; Kim, Dong-Sang; Lambert, Steven L; Marra, Sharon L; Peeler, David K; Strachan, Denis M; Triplett, Mark B; Vienna, John D; Wittman, Richard S

    2001-07-13

    At the Hanford Site in Richland, Washington, the path to site cleanup involves vitrification of the majority of the wastes that currently reside in large underground tanks. A Joule-heated glass melter is the equipment of choice for vitrifying the high-level fraction of these wastes. Even though this technology has general national and international acceptance, opportunities may exist to improve or change the technology to reduce the enormous cost of accomplishing the mission of site cleanup. Consequently, the U.S. Department of Energy requested the staff of the Tanks Focus Area to review immobilization technologies, waste forms, and modifications to requirements for solidification of the high-level waste fraction at Hanford to determine what aspects could affect cost reductions with reasonable long-term risk. The results of this study are summarized in this report.

  19. Low-level waste feed staging plan

    SciTech Connect (OSTI)

    Certa, P.J.; Grams, W.H.; McConville, C.M.; L. W. Shelton, L.W.; Slaathaug, E.J., Westinghouse Hanford

    1996-08-12

    The `Preliminary Low-Level Waste Feed Staging Plan` was updated to reflect the latest requirement in the Tank Waste Remediation Privatization Request for Proposals (RFP) and amendments. The updated plan develops the sequence and transfer schedule for retrieval of DST supernate by the management and integration contractor and delivery of the staged supernate to the private low-activity waste contractors for treatment. Two DSTs are allocated as intermediate staging tanks. A transfer system conflict analysis provides part of the basis for determining transfer system upgrade requirements to support both low-activity and high-level waste feed delivery. The intermediate staging tank architecture and retrieval system equipment are provided as a planning basis until design requirements documents are prepared. The actions needed to successfully implement the plan are identified. These include resolution of safety issues and changes to the feed envelope limits, minimum order quantities, and desired batch sizes.

  20. Mesoscopic Superposition States in Relativistic Landau Levels

    SciTech Connect (OSTI)

    Bermudez, A.; Martin-Delgado, M. A.; Solano, E.

    2007-09-21

    We show that a linear superposition of mesoscopic states in relativistic Landau levels can be built when an external magnetic field couples to a relativistic spin 1/2 charged particle. Under suitable initial conditions, the associated Dirac equation produces unitarily superpositions of coherent states involving the particle orbital quanta in a well-defined mesoscopic regime. We demonstrate that these mesoscopic superpositions have a purely relativistic origin and disappear in the nonrelativistic limit.

  1. Circuit level modeling of inductive elements

    SciTech Connect (OSTI)

    Muyshondt, G.P.; Portnoy, W.M.

    1989-01-01

    Design and analysis of spacecraft power systems have been difficult to perform because of the lack of circuit level models for nonlinear inductive elements. This paper reviews some of the models which have been proposed, their limitations, and applications. An improved saturation dependent model will be described. The model has been implemented in SPICE and with a commercial circuit program and demonstrated to be satisfactory in both implementations. 3 refs., 9 figs.

  2. Future scientists advance to national level

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

    Future scientists advance to national level Future scientists advance to DOE national competition A team from Los Alamos bested 39 other teams from around New Mexico in the 10-hour New Mexico Regional Science Bowl. April 3, 2012 Members of the Los Alamos High School Science Bowl Team Members of the Los Alamos High School Science Bowl Team were in Washington DC after their regional win, representing New Mexico in the 22nd Annual Department of Energy (DOE) National Science Bowl. Contact Kathy

  3. Review of APR+ Level 2 PSA

    SciTech Connect (OSTI)

    Lehner, J.R.; Mubayi, V.; Pratt, W. T.

    2012-02-17

    Brookhaven National Laboratory (BNL) assisted the Korea Institute of Nuclear Safety (KINS) in reviewing the Level 2 Probabilistic Safety Assessment (PSA) of the APR+ Advanced Pressurized Water Reactor (PWR) prepared by the Korea Hydro & Nuclear Power Co., Ltd (KHNP) and KEPCO Engineering & Construction Co., Inc. (KEPCO-E&C). The work described in this report involves a review of the APR+ Level 2 PSA submittal [Ref. 1]. The PSA and, therefore, the review is limited to consideration of accidents initiated by internal events. As part of the review process, the review team also developed three sets of Requests for Additional Information (RAIs). These RAIs were provided to KHNP and KEPCO-E&C for their evaluation and response. This final detailed report documents the review findings for each technical element of the PSA and includes consideration of all of the RAIs made by the reviewers as well as the associated responses. This final report was preceded by an interim report [Ref. 2] that focused on identifying important issues regarding the PSA. In addition, a final meeting on the project was held at BNL on November 21-22, 2011, where BNL and KINS reviewers discussed their preliminary review findings with KHNP and KEPCO-E&C staffs. Additional information obtained during this final meeting was also used to inform the review findings of this final report. The review focused not only on the robustness of the APR+ design to withstand severe accidents, but also on the capability and acceptability of the Level 2 PSA in terms of level of detail and completeness. The Korean nuclear regulatory authorities will decide whether the PSA is acceptable and the BNL review team is providing its comments for KINS consideration. Section 2.0 provides the basis for the BNL review. Section 3.0 presents the review of each technical element of the PSA. Conclusions and a summary are presented in Section 4.0. Section 5.0 contains the references.

  4. Attack optimization at moderate force levels

    SciTech Connect (OSTI)

    Canavan, G.H.

    1997-04-01

    Optimal offensive missile allocations for moderate offensive and defensive forces are derived and used to study their sensitivity to force structure parameters levels. It is shown that the first strike cost is a product of the number of missiles and a function of the optimum allocation. Thus, the conditions under which the number of missiles should increase or decrease in time is also determined by this allocation.

  5. Risk Group and Biosafety Level Definitions

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

    Group and Biosafety Level Definitions European Economic Community (DIRECTIVE 93/88/EEC, Oct. 1993) (1) Group 1 biological agent means one that is unlikely to cause human disease; (2) Group 2 biological agent means one that can cause human disease and might be a hazard to workers; it is unlikely to spread to the community; there is usually effective prophylaxis or treatment available; (3) Group 3 biological agent means one that can cause severe human disease and present a serious hazard to

  6. Advanced Technology Vehicle Lab Benchmarking - Level 1

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

    Vehicle Lab Benchmarking - Level 1 2014 U.S. DOE Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting Kevin Stutenberg - Principal Investigator Argonne National Laboratory June 17, 2014 Project ID # VSS030 This presentation does not contain any proprietary, confidential, or otherwise restricted information. Overview  Timeline - Benchmarking at ANL started in 1998 - FY13 & FY14 Completed Testing: * 10 vehicles tested in FY13, 4 in FY14 * Thermal impact study *

  7. Temporal fluctuations of formaldehyde levels inside residences

    SciTech Connect (OSTI)

    Gammage, R.B.; Hingerty, B.E.; Matthews, T.G.; Hawthorne, A.R.; Womack, D.R.; Westley, R.R.; Gupta, K.C.

    1983-01-01

    Excursions in the levels of formaldehyde were measured inside three houses. These were a 10-y-old home, a 3 y-old home prefitted with urea-formaldehyde foam insulation (UFFI), and a 2-y-old energy-efficient home. Measurements of formaldehyde were made using active and passive air-sampling devices with subsequent colorimetric analysis by the pararosaniline procedure. The variation of diurnal formaldehyde concentrations inside each house varied by up to a factor of two. Over the course of a year, the formaldehyde concentration within the 3-y-old UFFI house varied by an order of magnitude. These changes appeared to correlate with factors such as changes in the temperature, weather, and occupant activity. Inside the 2-y-old house the effects on formaldehyde levels of increased ventilation rate and the operation of a small charcoal-based air cleaner were studied. The results suggest that formaldehyde levels were not inversely proportional to the air exchange rate and that the air cleaner tested were ineffective.

  8. Cost | OpenEI Community

    Open Energy Info (EERE)

    Cost Home Ocop's picture Submitted by Ocop(5) Member 15 July, 2014 - 07:07 MHK LCOE Reporting Guidance Draft Cost Current DOE LCOE numerical modeling Performance Tidal Wave To...

  9. River Protection Project (RPP) Level 0 Logic

    SciTech Connect (OSTI)

    SEEMAN, S.E.

    2000-01-20

    The following modifications were made to the River Protection Project Level-0 logic in going from Rev. I to Rev. 2. The first change was the change to the heading at the top of the drawing: ''TWRS Program Logic'' to ''River Protection Project Mission Logic''. Note that purely format changes (e.g., fonts, location of boxes, date format, addition of numbers to ''ghost'' boxes) are not discussed. However, the major format change was to show DOE-BNFL Inc. Interface Control Documents (ICDs) on the logic.

  10. 2017 Levelized Costs AEO 2012 Early Release

    U.S. Energy Information Administration (EIA) Indexed Site

    Market Prices and Uncertainty Report Crude Oil Prices: After reaching a four-month low in the beginning of August, crude oil prices rebounded close to the highest levels of the year. The front-month Brent crude oil price increased $3.31 per barrel (b) since August 1, settling at $45.45/b on September 1 (Figure 1). The West Texas Intermediate (WTI) front-month crude oil price settled at $43.16/b, an increase of $3.10/b over the same period. Price volatility in global equity markets declined in

  11. 2017 Levelized Costs AEO 2012 Early Release

    Gasoline and Diesel Fuel Update (EIA)

    Market Prices and Uncertainty Report Crude Oil Prices: After an upward move in mid-June, crude oil prices retreated close to previous levels. The North Sea Brent front month futures price settled at $111/barrel on July 3, an increase of $2.17/barrel from June 2 (Figure 1). The front month West Texas Intermediate (WTI) contract also rose, settling at $104.06/barrel on July 3, $1.59/barrel higher than on June 2. Tensions in Iraq were the primary driver of the crude oil price increase in mid-June.

  12. 2017 Levelized Costs AEO 2012 Early Release

    Gasoline and Diesel Fuel Update (EIA)

    Market Prices and Uncertainty Report Crude Oil Prices: International crude oil futures prices rebounded in April and approached the top of their recent trading range. The North Sea Brent front month futures price settled at $107.76 per barrel (bbl) on May 1, an increase of $2.14/bbl from April 1 (Figure 1). West Texas Intermediate (WTI) prices at the start of May were near the same levels as the beginning of April. The front month WTI contract settled at $99.42/bbl on May 1, a slight decrease

  13. Stability at low symmetric force levels

    SciTech Connect (OSTI)

    Canavan, G.H.

    1997-09-01

    At low force levels stability indices depend primarily on the number of vulnerable missiles and the number of weapons on them. The index reduces to a product of the number of vulnerable missiles and the differences between normalized second and first strikes by vulnerable weapons. As the number of weapons per vulnerable missile decreases, the index rapidly approaches stability. Further reductions in vulnerable and survivable missiles and weapons do not affect stability, although they do reduce first and second strikes. Modest weapon reconstitution degrades stability significantly.

  14. Natural gas inventories at record levels

    U.S. Energy Information Administration (EIA) Indexed Site

    Natural gas inventories at record levels U.S. natural gas inventories at the end of October tied the all-time record high and inventories could climb to 4 trillion cubic feet in November for the first time. In its new monthly forecast, the U.S. Energy Information Administration said weekly injections of natural gas into storage may continue into November, after inventories at the close of October matched the record high of just over 3.9 trillion cubic feet. High inventories, along with rising

  15. Lid design for low level waste container

    DOE Patents [OSTI]

    Holbrook, Richard H.; Keener, Wendell E.

    1995-01-01

    A container for low level waste includes a shell and a lid. The lid has a frame to which a planar member is welded. The lid frame includes a rectangular outer portion made of square metal tubing, a longitudinal beam extending between axial ends of the rectangular outer portion, and a transverse beam extending between opposite lateral sides of the rectangular outer portion. Two pairs of diagonal braces extend between the longitudinal beam and the four corners of the rectangular outer portion of the frame.

  16. Lid design for low level waste container

    DOE Patents [OSTI]

    Holbrook, R.H.; Keener, W.E.

    1995-02-28

    A container for low level waste includes a shell and a lid. The lid has a frame to which a planar member is welded. The lid frame includes a rectangular outer portion made of square metal tubing, a longitudinal beam extending between axial ends of the rectangular outer portion, and a transverse beam extending between opposite lateral sides of the rectangular outer portion. Two pairs of diagonal braces extend between the longitudinal beam and the four corners of the rectangular outer portion of the frame. 6 figs.

  17. Probing Radiation Damage at the Molecular Level

    SciTech Connect (OSTI)

    Mason, N. J.; Smialek, M. A.; Moore, S. A.; Folkard, M.; Hoffmann, S. V.

    2006-12-01

    Radiation damage of DNA and other cellular components has traditionally been attributed to ionisation via direct impact of high-energy quanta or by complex radical chemistry. However recent research has shown that strand breaks in DNA may be initiated by secondary electrons and is strongly dependent upon the target DNA base identity. Such research provides the fascinating perspective that it is possible that radiation damage may be described and understood at an individual molecular level introducing new possibilites for therapy and perhaps providing an insight into the origins of life.

  18. Funding Opportunity Announcement: Concentrating Solar Power:...

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

    Funding Opportunity Announcement: Concentrating Solar Power: Advanced Projects Offering Low LCOE Opportunities Funding Opportunity Announcement: Concentrating Solar Power: Advanced ...

  19. Advantages of a leveled commitment contracting protocol

    SciTech Connect (OSTI)

    Sandholm, T.W.; Lesser, V.R.

    1996-12-31

    In automated negotiation systems consisting of self-interested agents, contracts have traditionally been binding. Such contracts do not allow agents to efficiently accommodate future events. Game theory has proposed contingency contracts to solve this problem. Among computational agents, contingency contracts are often impractical due to large numbers of interdependent and unanticipated future events to be conditioned on, and because some events are not mutually observable. This paper proposes a leveled commitment contracting protocol that allows self-interested agents to efficiently accommodate future events by having the possibility of unilaterally decommitting from a contract based on local reasoning. A decommitment penalty is assigned to both agents in a contract: to be freed from the contract, an agent only pays this penalty to the other party. It is shown through formal analysis of several contracting settings that this leveled commitment feature in a contracting protocol increases Pareto efficiency of deals and can make contracts individually rational when no full commitment contract can. This advantage holds even if the agents decommit manipulatively.

  20. High accuracy electronic material level sensor

    DOE Patents [OSTI]

    McEwan, T.E.

    1997-03-11

    The High Accuracy Electronic Material Level Sensor (electronic dipstick) is a sensor based on time domain reflectometry (TDR) of very short electrical pulses. Pulses are propagated along a transmission line or guide wire that is partially immersed in the material being measured; a launcher plate is positioned at the beginning of the guide wire. Reflected pulses are produced at the material interface due to the change in dielectric constant. The time difference of the reflections at the launcher plate and at the material interface are used to determine the material level. Improved performance is obtained by the incorporation of: (1) a high accuracy time base that is referenced to a quartz crystal, (2) an ultrawideband directional sampler to allow operation without an interconnect cable between the electronics module and the guide wire, (3) constant fraction discriminators (CFDs) that allow accurate measurements regardless of material dielectric constants, and reduce or eliminate errors induced by triple-transit or ``ghost`` reflections on the interconnect cable. These improvements make the dipstick accurate to better than 0.1%. 4 figs.

  1. High accuracy electronic material level sensor

    DOE Patents [OSTI]

    McEwan, Thomas E.

    1997-01-01

    The High Accuracy Electronic Material Level Sensor (electronic dipstick) is a sensor based on time domain reflectometry (TDR) of very short electrical pulses. Pulses are propagated along a transmission line or guide wire that is partially immersed in the material being measured; a launcher plate is positioned at the beginning of the guide wire. Reflected pulses are produced at the material interface due to the change in dielectric constant. The time difference of the reflections at the launcher plate and at the material interface are used to determine the material level. Improved performance is obtained by the incorporation of: 1) a high accuracy time base that is referenced to a quartz crystal, 2) an ultrawideband directional sampler to allow operation without an interconnect cable between the electronics module and the guide wire, 3) constant fraction discriminators (CFDs) that allow accurate measurements regardless of material dielectric constants, and reduce or eliminate errors induced by triple-transit or "ghost" reflections on the interconnect cable. These improvements make the dipstick accurate to better than 0.1%.

  2. PUREX low-level waste radionuclide characterization

    SciTech Connect (OSTI)

    Ellis, M.W.; LeBaron, G.J.

    1995-01-16

    The PUREX low-level waste (LLW) radionuclide characterization document describes the methodology for the characterization of solid LLW and solid low-level mixed waste (MW) with the respect to radiological characteristics. This document only serves as an overview of the PUREX radionuclide characterization methodology and provides specific examples for how the radionuclide distribution is derived. It would be impractical to provide all background information in this document. If further clarification and background information is required, consult the PUREX Regulatory Compliance group files. This document applies to only that waste generated in or is the responsibility of the PUREX facilities. The US Department of Energy (DOE) establishes the requirements for radioactive solid waste in DOE Order 5820.2A Radioactive Waste Management. Chapters 2 and 3 from DOE Order 5820.2A requires that generators of solid wastes in the LLW categories and the radioactive mixed waste subcategories: (1) identify the major radionuclides in each solid waste matrix and (2) determine the radionuclide concentrations and waste classes of their solid wastes. In addition, the Order also requires each generator to carry out a compliance program that ensures the proper certification of the solid waste generated.

  3. The Zeus calorimeter first level trigger

    SciTech Connect (OSTI)

    Smith, W.J.

    1989-04-01

    The design of the Zeus Detector Calorimeter Level Trigger is presented. The Zeus detector is being built for operation at HERA, a new storage ring that will provide collisions between 820 GeV protons and 30 GeV electrons in 1990. The calorimeter is made of depleted uranium plates and plastic scintillator read out by wavelength shifter bars into 12,864 photomultiplier tubes. These signals are combined into 974 trigger towers with separate electromagnetic and hadronic sums. The calorimeter first level trigger is pipelined with a decision provided 5 {mu}sec after each beam crossing, occurring every 96 nsec. The trigger determines the total energy, the total transverse energy, the missing energy, and the energy and number of isolated electrons and muons. It also provides information on the number and energy of clusters. The trigger rate needs to be held to 1 kHz against a rate of proton-beam gas interactions of approximately 500 kHz. The summed trigger tower pulseheights are digitized by flash ADC`s. The digital values are linearized, stored and used for sums and pattern tests.

  4. Low level tank waste disposal study

    SciTech Connect (OSTI)

    Mullally, J.A.

    1994-09-29

    Westinghouse Hanford Company (WHC) contracted a team consisting of Los Alamos Technical Associates (LATA), British Nuclear Fuel Laboratories (BNFL), Southwest Research Institute (SwRI), and TRW through the Tank Waste Remediation System (TWRS) Technical Support Contract to conduct a study on several areas concerning vitrification and disposal of low-level-waste (LLW). The purpose of the study was to investigate how several parameters could be specified to achieve full compliance with regulations. The most restrictive regulation governing this disposal activity is the National Primary Drinking Water Act which sets the limits of exposure to 4 mrem per year for a person drinking two liters of ground water daily. To fully comply, this constraint would be met independently of the passage of time. In addition, another key factor in the investigation was the capability to retrieve the disposed waste during the first 50 years as specified in Department of Energy (DOE) Order 5820.2A. The objective of the project was to develop a strategy for effective long-term disposal of the low-level waste at the Hanford site.

  5. Russian low-level waste disposal program

    SciTech Connect (OSTI)

    Lehman, L.

    1993-03-01

    The strategy for disposal of low-level radioactive waste in Russia differs from that employed in the US. In Russia, there are separate authorities and facilities for wastes generated by nuclear power plants, defense wastes, and hospital/small generator/research wastes. The reactor wastes and the defense wastes are generally processed onsite and disposed of either onsite, or nearby. Treating these waste streams utilizes such volume reduction techniques as compaction and incineration. The Russians also employ methods such as bitumenization, cementation, and vitrification for waste treatment before burial. Shallow land trench burial is the most commonly used technique. Hospital and research waste is centrally regulated by the Moscow Council of Deputies. Plans are made in cooperation with the Ministry of Atomic Energy. Currently the former Soviet Union has a network of low-level disposal sites located near large cities. Fifteen disposal sites are located in the Federal Republic of Russia, six are in the Ukraine, and one is located in each of the remaining 13 republics. Like the US, each republic is in charge of management of the facilities within their borders. The sites are all similarly designed, being modeled after the RADON site near Moscow.

  6. PROVISIONAL ADVISORY LEVELS (PALs) FOR PHOSGENE (CG)

    SciTech Connect (OSTI)

    Glass-Mattie, Dana F; McClanahan, Mark; Koller, Loren; Adeshina, Femi; Ross, Robert Hord

    2009-01-01

    The PAL protocol was applied to estimate inhalation exposure limits for phosgene (CG). Data on humans are limited to occupational exposures or accounts from the use of phosgene as a chemical warfare agent in WWI. Animal studies with phosgene show a steep dose-response curve for pulmonary edema and mortality with little species variability in effects. Although immediately upon exposure lacrimation and upper respiratory irritation can occur, the main effect in the target organ, a progressive pulmonary edema, occurs after a latency period of 1-24 hours. PAL estimates were approved by the Expert Consultation Panel for Provisional Advisory Levels in May 2007. Exposure limits for oral exposure to CG are not developed due to insufficient data. PAL estimates for inhalation exposure to CG are presented: The 24-hour PAL values for severity levels 1, 2, and 3 are 0.0017, 0.0033 and 0.022 ppm, respectively. The 30-day PAL values are 0.0006 and 0.0012 ppm for the PAL 1 and 2 values, respectively. These 30-day inhalation values were also accepted as the 90-day and 2-year PAL 1 and 2 values. Data were not available for deriving 30-day, 90-day and 2-year PAL 3 values.

  7. AVTA Voltec AC Level 1 and Level 2 Charging Systems Testing Results

    Broader source: Energy.gov [DOE]

    The Vehicle Technologies Office's Advanced Vehicle Testing Activity carries out testing on a wide range of advanced vehicles and technologies on dynamometers, closed test tracks, and on-the-road. These results provide benchmark data that researchers can use to develop technology models and guide future research and development. The following report describes results from testing done on the Voltec Level 1 and Level 2 charging systems for plug-in electric vehicles. This research was conducted by Idaho National Laboratory.

  8. Program Secretarial Office Site Office Name FPD Level Certified...

    Office of Environmental Management (EM)

    ... W Level I 1222010 EM CBC SHINE,JOHN M Level I 322007 EM ORP SMITH,DABRISHA M Level I 1232013 EM RL SMITH,SAHID C Level I 12302010 EM ORP STAFFORD JR,HAROLD J Level I 7...

  9. Universal single point liquid level sensor

    DOE Patents [OSTI]

    Kronberg, James W.

    1992-01-01

    A liquid level detector comprises a thermistor and circuitry for determining electrically if the thermistor is wet or dry and additionally, and continuously, if the thermistor is open or shorted. The voltage across the thermistor is filtered to remove low frequency electrical noise, then compared with a reference low voltage to determine if shorted and to a transition voltage chosen to be between the thermistor's normal wet and dry voltages to determine if the thermistor is wet or dry. The voltage is also compared to the supply voltage using a CMOS gate circuit element to determine if the thermistor is open. The gate passes both faults on to an LED to signal that a fault condition exists or indicates by another LED the wet or dry condition of the thermistor. A pump may be activated through a relay if the thermistor tests wet or dry, as desired.

  10. Draft low level waste technical summary

    SciTech Connect (OSTI)

    Powell, W.J.; Benar, C.J.; Certa, P.J.; Eiholzer, C.R.; Kruger, A.A.; Norman, E.C.; Mitchell, D.E.; Penwell, D.E.; Reidel, S.P.; Shade, J.W.

    1995-09-01

    The purpose of this document is to present an outline of the Hanford Site Low-Level Waste (LLW) disposal program, what it has accomplished, what is being done, and where the program is headed. This document may be used to provide background information to personnel new to the LLW management/disposal field and to those individuals needing more information or background on an area in LLW for which they are not familiar. This document should be appropriate for outside groups that may want to learn about the program without immediately becoming immersed in the details. This document is not a program or systems engineering baseline report, and personnel should refer to more current baseline documentation for critical information.

  11. Detecting low levels of radionuclides in fluids

    DOE Patents [OSTI]

    Patch, Keith D.; Morgan, Dean T.

    2000-01-01

    An apparatus and method for detecting low levels of one or more radionuclides in a fluid sample uses a substrate that includes an ion exchange resin or other sorbent material to collect the radionuclides. A collecting apparatus includes a collecting chamber that exposes the substrate to a measured amount of the fluid sample such that radionuclides in the fluid sample are collected by the ion exchange resin. A drying apparatus, which can include a drying chamber, then dries the substrate. A measuring apparatus measures emissions from radionuclides collected on the substrate. The substrate is positioned in a measuring chamber proximate to a detector, which provides a signal in response to emissions from the radionuclides. Other analysis methods can be used to detect non-radioactive analytes, which can be collected with other types of sorbent materials.

  12. Four-level entangled quantum heat engines

    SciTech Connect (OSTI)

    Zhang Ting; Liu, W.-T.; Chen, P.-X.; Li, C.-Z.

    2007-06-15

    Based on a two-qubit one-dimensional isotropic spin-1/2 Heisenberg spin chain in a constant external magnetic field, we construct a four-level entangled quantum heat engine (QHE) and investigate the influence of entanglement between two qubits on basic thermodynamic quantities, i.e., the heat transferred and the work done in a cycle, and the efficiency of the QHE. The validity of the second law of thermodynamics is confirmed in the entangled system. We also find several interesting features of the variation of the efficiency with the entanglement of two different thermal equilibrium states in a work cycle in zero and finite magnetic field. An abrupt transition of efficiency is found in zero field.

  13. Universal single point liquid level sensor

    DOE Patents [OSTI]

    Kronberg, J.W.

    1992-10-27

    A liquid level detector comprises a thermistor and circuitry for determining electrically if the thermistor is wet or dry and additionally, and continuously, if the thermistor is open or shorted. The voltage across the thermistor is filtered to remove low frequency electrical noise, then compared with a reference low voltage to determine if shorted and to a transition voltage chosen to be between the thermistor's normal wet and dry voltages to determine if the thermistor is wet or dry. The voltage is also compared to the supply voltage using a CMOS gate circuit element to determine if the thermistor is open. The gate passes both faults on to an LED to signal that a fault condition exists or indicates by another LED the wet or dry condition of the thermistor. A pump may be activated through a relay if the thermistor tests wet or dry, as desired. 1 figure.

  14. Low-Level Waste Disposal Facility Federal Review Group Manual...

    Office of Environmental Management (EM)

    Low-Level Waste Disposal Facility Federal Review Group Manual Low-Level Waste Disposal Facility Federal Review Group Manual This Revision 3 of the Low-Level Waste Disposal Facility ...

  15. West Valley Demonstration Project Low-Level Waste Shipment |...

    Office of Environmental Management (EM)

    Low-Level Waste Shipment West Valley Demonstration Project Low-Level Waste Shipment West Valley Demonstration Project Low-Level Waste Shipment (406.16 KB) More Documents & ...

  16. Acceptor levels in ZnMgO:N probed by deep level optical spectroscopy

    SciTech Connect (OSTI)

    Kurtz, A.; Hierro, A. Muoz, E.

    2014-02-24

    A combination of deep level optical spectroscopy and lighted capacitance voltage profiling has been used to analyze the effect of N into the energy levels close to the valence band of Zn{sub 0.9}Mg{sub 0.1}O. Three energy levels at E{sub V}?+?0.47?eV, E{sub V}?+?0.35?eV, and E{sub V}?+?0.16?eV are observed in all films with concentrations in the range of 10{sup 15}10{sup 18}?cm{sup ?3}. The two shallowest traps at E{sub V}?+?0.35?eV and E{sub V}?+?0.16?eV have very large concentrations that scale with the N exposure and are thus potential acceptor levels. In order to correctly quantify the deep level concentrations, a metal-insulator-semiconductor model has been invoked, explaining well the resulting capacitance-voltage curves.

  17. Levelized Costs for Nuclear, Gas and Coal for Electricity, under...

    Office of Scientific and Technical Information (OSTI)

    Conference: Levelized Costs for Nuclear, Gas and Coal for Electricity, under the Mexican Scenario Citation Details In-Document Search Title: Levelized Costs for Nuclear, Gas and ...

  18. Letter on Low-Level Radiation Research | Department of Energy

    Energy Savers [EERE]

    Low-Level Radiation Research Letter on Low-Level Radiation Research The Secretary of Energy Advisory Board (SEAB) transmitted a letter to the Department regarding its perspective ...

  19. Combinatorial nuclear level-density model (Journal Article) ...

    Office of Scientific and Technical Information (OSTI)

    Combinatorial nuclear level-density model Citation Details In-Document Search Title: Combinatorial nuclear level-density model You are accessing a document from the Department ...

  20. The differential algebra based multiple level fast multipole...

    Office of Scientific and Technical Information (OSTI)

    Journal Article: The differential algebra based multiple level fast multipole algorithm ... Title: The differential algebra based multiple level fast multipole algorithm for 3D space ...

  1. Spallation Neutron Source Power Level Exceeds 1 MW (Journal Article...

    Office of Scientific and Technical Information (OSTI)

    Spallation Neutron Source Power Level Exceeds 1 MW Citation Details In-Document Search Title: Spallation Neutron Source Power Level Exceeds 1 MW No abstract prepared. Authors: ...

  2. Development of Sea Level Rise Scenarios for Climate Change Assessments...

    Open Energy Info (EERE)

    Sea Level Rise Scenarios for Climate Change Assessments of the Mekong Delta, Vietnam Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Development of Sea Level Rise...

  3. External Technical Review for Evaluation of System Level Modeling...

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

    of System Level Modeling and Simulation Tools in Support of Hanford Site Liquid Waste Process External Technical Review for Evaluation of System Level Modeling and...

  4. Idaho High-Level Waste & Facilities Disposition, Final Environmental...

    Office of Environmental Management (EM)

    Copies of the Idaho High-Level Waste and Facilities Disposition Final Environmental Impact ... of alternatives for managing high- level waste (HLW) calcine, mixed transuranic waste...

  5. LOW-LEVEL WASTE DISPOSAL FACILITY FEDERAL REVIEW GROUP EXECUTION...

    Office of Environmental Management (EM)

    LOW-LEVEL WASTE DISPOSAL FACILITY FEDERAL REVIEW GROUP EXECUTION PLAN Los Alamos National ... Safety and Security LFRG Low-Level Waste Disposal Facility Federal Review Group LLW ...

  6. Level: National Data; Row: NAICS Codes; Column: Energy Sources...

    Gasoline and Diesel Fuel Update (EIA)

    Combustible Energy, 2010; Level: National Data; Row: NAICS Codes; Column: Energy Sources; ... Combustible Energy, 2010; Level: National Data; Row: NAICS Codes; Column: Energy Sources; ...

  7. Level: National and Regional Data; Row: NAICS Codes, Value of...

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

    2010; Level: National and Regional Data; Row: NAICS Codes, Value of Shipments and ... 2010; Level: National and Regional Data; Row: NAICS Codes, Value of Shipments and ...

  8. Level: National Data; Row: NAICS Codes; Column: Usage within...

    Gasoline and Diesel Fuel Update (EIA)

    Technologies, 2010; Level: National Data; Row: NAICS Codes; Column: Usage within ... Technologies, 2010; Level: National Data; Row: NAICS Codes; Column: Usage within ...

  9. Level: National Data; Row: NAICS Codes; Column: Energy Sources...

    Gasoline and Diesel Fuel Update (EIA)

    (Fuel and Nonfuel), 2010; Level: National Data; Row: NAICS Codes; Column: Energy Sources ... (Fuel and Nonfuel), 2010; Level: National Data; Row: NAICS Codes; Column: Energy Sources ...

  10. Level: National Data; Row: NAICS Codes; Column: Floorspace and...

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

    Buildings, 2010; Level: National Data; Row: NAICS Codes; Column: Floorspace and ... Buildings, 2010; Level: National Data; Row: NAICS Codes; Column: Floorspace and ...

  11. Level: National Data; Row: NAICS Codes; Column: Energy Sources...

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

    Fuel Consumption, 2010; Level: National Data; Row: NAICS Codes; Column: Energy Sources; ... Fuel Consumption, 2010; Level: National Data; Row: NAICS Codes; Column: Energy Sources; ...

  12. Concentrating Solar Power: Concentrating Optics for Lower Levelized...

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

    Concentrating Solar Power: Concentrating Optics for Lower Levelized Energy Costs (CSP: COLLECTS) Concentrating Solar Power: Concentrating Optics for Lower Levelized Energy Costs ...

  13. Spotlight on Maine: Transition to a Sustainable Level of Incentives...

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

    Spotlight on Maine: Transition to a Sustainable Level of Incentives Spotlight on Maine: Transition to a Sustainable Level of Incentives Spotlight on Maine: Transition to a ...

  14. Operating Experience Level 3, Update to Requalification Test...

    Energy Savers [EERE]

    Operating Experience Level 3, Update to Requalification Test Failure of Certain High Efficiency Particulate Air (HEPA) Filters Operating Experience Level 3, Update to...

  15. Effect of Ventilation Strategies on Residential Ozone Levels...

    Office of Scientific and Technical Information (OSTI)

    Effect of Ventilation Strategies on Residential Ozone Levels Citation Details In-Document Search Title: Effect of Ventilation Strategies on Residential Ozone Levels You are...

  16. Effect of Ventilation Strategies on Residential Ozone Levels...

    Office of Scientific and Technical Information (OSTI)

    Effect of Ventilation Strategies on Residential Ozone Levels Citation Details In-Document Search Title: Effect of Ventilation Strategies on Residential Ozone Levels Authors:...

  17. Dispensing Equipment Testing With Mid-Level Ethanol/Gasoline...

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

    Dispensing Equipment Testing With Mid-Level EthanolGasoline Test Fluid Dispensing Equipment Testing With Mid-Level EthanolGasoline Test Fluid The National Renewable Energy ...

  18. Technology and System Level Demonstration of Highly Efficient...

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

    Level Demonstration of Highly Efficient and Clean, Diesel Powered Class 8 Trucks Vehicle Technologies Office Merit Review 2014: Technology and System Level Demonstration of ...

  19. Technology and System Level Demonstration of Highly Efficient...

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

    More Documents & Publications Technology and System Level Demonstration of Highly Efficient and Clean, Diesel Powered Class 8 Trucks Technology and System Level Demonstration of ...

  20. Disposal of low-level and low-level mixed waste: audit report

    SciTech Connect (OSTI)

    1998-09-03

    The Department of Energy (Department) is faced with the legacy of thousands of contaminated areas and buildings and large volumes of `backlog` waste requiring disposal. Waste management and environmental restoration activities have become central to the Department`s mission. One of the Department`s priorities is to clean up former nuclear weapons sites and find more effective and timely methods for disposing of nuclear waste. This audit focused on determining if the Department was disposing of low-level and low-level mixed waste in the most cost-effective manner.

  1. GROUND LEVEL INVESTIGATION OF ANOMALOUS RADIATION LEVELS IN NIAGARA FALLS, NEW YORK

    Office of Legacy Management (LM)

    GROUND LEVEL INVESTIGATION OF ANOMALOUS RADIATION LEVELS IN NIAGARA FALLS, NEW YORK W. D. Cottrell, D. J. Christian, and F. F. Haywood ,d ;v ~ !;);;J;$ '9;) -i, - 'L." ; i--j -7,) ;3 i, Work performed by Health and Safety Research Division Oak Ridge National Laboratory Oak Ridge, Tennessee 37630 O&J. 2,7 +, / 7&y' March 1979 \ operated by UNION CARBIDE CORPORATIOII for the DEPARTMENT OF ENERGY as part of the Formerly Utilized Sites- Remedial Action Program

  2. Chemically Induced Surface Evolutions with Level Sets

    Energy Science and Technology Software Center (OSTI)

    2006-11-17

    ChISELS is used for the theoretical modeling of detailed surface chemistry and consomitant surface evolutions occurring during microsystem fabrication processes conducted at low pressures. Examples include physical vapor deposition (PVD), low pressure chemical vapor deposition (PECVD), and plasma etching. Evolving interfaces are represented using the level-set method and the evolution equations time integrated using a Semi-Lagrangian approach. A Ballistic transport model is employed to solve for the fluxes incident on each of the surface elements.more » Surface chemistry leading to etching or deposition is computed by either coupling to Surface Chemkin (a commercially available code) or by providing user defined subroutines. The computational meshes used are quad-trees (2-D) and oct-trees (3-D), constructed such that grid refinement is localized to regions near the surface interfaces. As the interface evolves, the mesh is dynamically reconstructed as needed for the grid to remain fine only around the interface. For parallel computation, a domain decomposition scheme with dynamic load balancing is used to distribute the computational work across processors.« less

  3. Photovoltaic (PV) Module Level Remote Safety Disconnect - Energy Innovation

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

    Portal Find More Like This Return to Search Photovoltaic (PV) Module Level Remote Safety Disconnect National Renewable Energy Laboratory Contact NREL About This Technology Figure 1: System configuration of emergency module-level disconnect using module-level &lsquo;Isolation Detection Units&rsquo; (IDU).<br /> Figure 1: System configuration of emergency module-level disconnect using module-level 'Isolation Detection Units' (IDU). Technology Marketing Summary The ability to

  4. Updated U.S. Geothermal Supply Characterization and Representation for Market Penetration Model Input

    SciTech Connect (OSTI)

    Augustine, C.

    2011-10-01

    The U.S. Department of Energy (DOE) Geothermal Technologies Program (GTP) tasked the National Renewable Energy Laboratory (NREL) with conducting the annual geothermal supply curve update. This report documents the approach taken to identify geothermal resources, determine the electrical producing potential of these resources, and estimate the levelized cost of electricity (LCOE), capital costs, and operating and maintenance costs from these geothermal resources at present and future timeframes under various GTP funding levels. Finally, this report discusses the resulting supply curve representation and how improvements can be made to future supply curve updates.

  5. Groundwater Level Status Report for 2005 Los Alamos National Laboratory

    SciTech Connect (OSTI)

    S.P. Allen; R.J. Koch

    2006-05-15

    The status of groundwater level monitoring at Los Alamos National Laboratory (LANL) in 2005 is provided in this report. The Groundwater Level Monitoring Project was instituted in 2005 to provide a framework for the collection and processing of quality controlled groundwater level data. This report summarizes groundwater level data for 137 monitoring wells, including 41 regional aquifer wells, 22 intermediate wells, and 74 alluvial wells. Pressure transducers were installed in 118 monitoring wells for continuous monitoring of groundwater levels. Time-series hydrographs of groundwater level data are presented along with pertinent construction and location information for each well.

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

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    Open Energy Info (EERE)

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

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

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

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