National Library of Energy BETA

Sample records for lori ann white

  1. NREL: Energy Analysis - Lori Bird

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

    Lori Bird Photo of Lori Bird Lori Bird is a member of the Market and Policy Impact Analysis Group in the Strategic Energy Analysis Center. Principal Analyst On staff since early 1999 Phone number: 303-384-7412 E-mail: lori.bird@nrel.gov Areas of expertise Market analysis Policy analysis Primary research interests Renewable energy and carbon markets Renewable energy policy Interplay of emissions and renewables policies Education and background training M.E.S. in environmental management, 1997,

  2. Women @ Energy: Lori Diachin | Department of Energy

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

    Lori Diachin is the Director for the Center for Applied Scientific Computing (CASC) in the Computation Directorate at Lawrence Livermore National Laboratory (LLNL) . Lori Diachin is the Director for the Center for Applied Scientific Computing (CASC) in the Computation Directorate at Lawrence Livermore National Laboratory (LLNL) . Check out other profiles in the Women @ Energy series and share your favorites on Pinterest. Lori Diachin is the Director for the Center for Applied Scientific

  3. Huffman, Lori A From: Trenchard, Glyn D

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

    Huffman, Lori A From: Trenchard, Glyn D Sent: Tuesday, October 16, 2012 1:52 PM To: Fletcher, Thomas W; Charboneau, Stacy L; Samuelson, Scott L (ORP): Huffrnan, Lori A; Stubblebine, Scott 0; Gamnache. Lori M Subjet:. Spoke to Jane (b)(5) (b)(5) 'We would like to discuss with Ecology, the best way to administratively do thiat. Jane will keep me posted. (21l m Treciard DQE - ORP .)()9-4,31-0448 Flutano Lori A From- Samuelson, Scott L (ORP) Sent: Tuesday, October 16, 2012 9:49 PM To: Trenchard,

  4. Anne Harrington

    Broader source: Energy.gov [DOE]

    Anne Harrington was sworn in as Deputy Administrator for Defense Nuclear Nonproliferation for the National Nuclear Security Administration in October 2010. Previously, Ms. Harrington was the...

  5. Gamache, Lori M From: Smith, Kevin W (ORP) Sent:

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

    Gamache, Lori M From: Smith, Kevin W (ORP) Sent: Wednesday, May 29, 2013 3:46 PM To: Johnson, Michael D Subject: EW: Message from Mike - my retirement Nicely done Mike. From: A ...

  6. Ann Dallman

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

    Ann Dallman - 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 Fuel Cycle Defense Waste Management Programs Advanced Nuclear

  7. Employee Spotlight: Ann Schlenker

    ScienceCinema (OSTI)

    Ann Schlenker

    2013-06-10

    Ann Schlenker, Director for the Center for Transportation Research, discusses mentoring and working at Argonne.

  8. Stanford Synchrotron Radiation Lightsource

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

    Structural Basis for Iron Piracy by Pathogenic Neisseria January 2013 SSRL Science Summary by Lori Ann White, SLAC Office of Communications Figure (Courtesy of the Buchanan Lab...

  9. Stanford Synchrotron Radiation Lightsource

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

    Systematic Expansion of Porous Crystals to Include Large Molecules February 2013 SSRL Science Summary by Lori Ann White, SLAC Office of Communications Figure Recently, scientists...

  10. Nancy Anne Baugher

    Broader source: Energy.gov [DOE]

    Nancy Anne Baugher joined the OCFO on July 28, 2014 as the Director of the Office of Financial Risk, Policy, and Controls.Prior to coming to the OCFO, Nancy Anne was the Director of Internal...

  11. Iii;.} An Ann

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

    Iii;.} An Ann otated Bibli ography of the Red - Coc kaded Woodpecker bv * Jerom e A. Jack son A Publi cati on of the Sava nnah River Plonl Notional En... ironmentol Research Pork PrOQ rom United Stales Dep ortment of Ene r gy An Annotated Bibliography of the Red-Cockaded Woodpecker, Picoides borealis Jerome A. Jackson Department of Biological Sciences Mississippi State University Mississippi State, Mississippi A Publication of the Savannah River National Environmental Research Park Prepared

  12. Anne Harkavy | Department of Energy

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

    Anne Harkavy About Us Anne Harkavy - Deputy General Counsel for Litigation, Regulation and Enforcement Anne Harkavy serves as Deputy General Counsel for Litigation, Regulation and Enforcement for the U.S. Department of Energy. Prior to joining the Department, she was a partner at the law firm of WilmerHale LLP, where she was a Vice Chair of the firm's Government and Regulatory Litigation Group. Her practice focused on representing companies and individuals in congressional oversight and

  13. Ann Schlenker | Argonne National Laboratory

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

    development. Schlenker received her Master's and Bachelor's degrees in environmentalcivil engineering from the University of Michigan-Ann Arbor. E-mail aschlenker@anl.gov...

  14. Stanford Synchrotron Radiation Lightsource

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

    Enzyme Created in Test Tube Promises Biocatalysts for a Range of Uses December 2012 SSRL Science Summary by Lori Ann White, SLAC Office of Communications Figure larger image In...

  15. Stanford Synchrotron Radiation Lightsource

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

    The Structure and Dynamics of Eukaryotic Glutaminyl-tRNA Synthetase May 2013 SSRL Science Summary by Lori Ann White, SLAC Office of Communications Figure Full-length Gln4 shown...

  16. Solar Policy Environment: Ann Arbor

    Broader source: Energy.gov [DOE]

    The goal for Ann Arbor’s Solar America Cities program is to utilize a wide range of community partners and resources to remove market barriers to the adoption of solar energy while simultaneously increasing consumer awareness and demand, and helping solar energy manufacturers and contractors to succeed. Expected outcomes include a Solar Plan for Ann Arbor, one or more large-scale photovoltaic demonstration projects, more small-scale solar hot water and photovoltaic demonstration projects, greater consumer awareness of solar options, a simpler permitting process for solar projects, and proof that solar energy works even in cloudy cities.

  17. Shirley Ann Jackson | Department of Energy

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

    Shirley Ann Jackson About Us Shirley Ann Jackson, Ph.D. - President, Rensselaer Polytechnic Institute and Former Chairman, US Nuclear Regulatory Commission Shirley Ann Jackson The Honorable Shirley Ann Jackson, Ph.D., is the 18th president of Rensselaer Polytechnic Institute of Troy, New York, and Hartford, Connecticut, the oldest technological research university in the United States. She was elected to the Brookings Board of Trustees in 2000. Described by Time Magazine as "perhaps the

  18. NREL: Energy Analysis - Ann Herlevich Brennan

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

    Ann Herlevich Brennan Photo of Ann h. Brennan. Ann H. Brennan is the group manager of the Data Analysis and Visualization Group in the Strategic Energy Analysis Center. Group Manager On staff since October 1978 Phone number: 303-275-3609 E-mail: ann.brennan@nrel.gov Areas of expertise Experienced leader and manager in sustainable energy analysis and deployment Data management, decision tools, and Web applications to enable RE/EE market Communications strategy, technical writing, and outreach

  19. Ann (Sweeney) Augustyn | Department of Energy

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

    Ann (Sweeney) Augustyn About Us Ann (Sweeney) Augustyn - Chief of the Personnel Security and Appeals Division Ann (Sweeney) Augustyn Administrative Judge Ann S. Augustyn is the Chief of the Personnel Security and Appeals Division at the Office of Hearings and Appeals (OHA), U.S. Department of Energy (DOE). In this capacity, she oversees a group of attorneys who perform a variety of legal tasks, including conducting nationwide administrative hearings for the agency and issuing Initial Agency

  20. Women @ Energy: Anne Marie March

    Broader source: Energy.gov [DOE]

    "I recall my excitement in my high school physics class when I realized that mathematics could quantitatively predict the outcome of physical phenomenon (and that calculus was actually good for something!) and my amazement in college when I came to understand how experiments could be designed to explore the workings of the universe on scales far beyond where our five senses can take us. I am very grateful to all those who introduced me to this intriguing way of understanding the world and feel very lucky that I can work in science." Read more from Anne Marie on her profile here.

  1. NREL: Biomass Research - Mary Ann Franden

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

    Mary Ann Franden Photo of Mary Ann Franden Mary Ann Franden is a senior scientist in the Applied Biology group of the National Bioenergy Center (NBC) at the National Renewable Energy Laboratory in Golden, Colorado. Her latest accomplishments include the development of growth assay and fermentation tools to monitor toxicity of Zymomonas by model compounds and hydrolysates. This allowed for the identification of dominant inhibitors to Zymomonas mobilis that are present in corn stover

  2. Mary Ann Lazarus | Photosynthetic Antenna Research Center

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

    Mary Ann Lazarus November 10, 2011 Mary Ann Lazarus "Bringing Biomimicry into the Built Environment" Published: November 10, 2011 As part of the Events & Topics in Bioenergy Series, Mary Ann Lazarus gives her talk entitled "Bringing Biomimicry into the Built Environment" Original Event Information: Tuesday, November 1, 2011 Washington University in St. Louis Brauer Hall 012 4:00pm-5:00pm

  3. Anne M. Stark | Department of Energy

    Energy Savers [EERE]

    Anne M. Stark About Us Anne M. Stark - Senior Public Information Officer, Lawrence Livermore National Laboratory Anne M. Stark is a Public Information Officer at Lawrence Livermore National Laboratory, one of the Department of Energy's 17 National Laboratories. Most Recent Making Better Batteries With Hydrogen November 5 Better Fluorescent Lighting Through Physics October 13 Space X-ray Solves Mysteries of Black Holes March 1

  4. Employee Spotlight: Ann Schlenker | Argonne National Laboratory

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

    Ann Schlenker Share Description nn Schlenker, Director of the Center for Transportation Research, discusses working and mentoring at Argonne. Duration 1:48 Topic Energy Energy efficiency Vehicles

  5. AnneMarie Horowitz | Department of Energy

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

    AnneMarie Horowitz - Special Assistant AnneMarie Horowitz is a Special Assistant in the Office of the Under Secretary for Management and Performance. She also manages the Women @ Energy Project, which showcases talented employees at the Department of Energy who are helping change the world through transformative science and technology. Most Recent #WomenInSTEM: Moms Who Inspire May 8

  6. Anne-Marie Carey | Photosynthetic Antenna Research Center

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

    Anne-Marie Carey Anne-Marie Carey placeholder image Anne-Marie Carey Alumna Website: University of Glasgow Dr. Carey completed her postdoctoral position at the University of...

  7. City of Ann Arbor- PACE Financing

    Broader source: Energy.gov [DOE]

    The City of Ann Arbor offers Property Assessed Clean Energy (PACE) financing for commercial properties located within the city. Projects will undergo a voluntary special assessment and may range ...

  8. Clean Cities: Ann Arbor Clean Cities coalition

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

    Clean Cities Coalition in April 2015. She served as Clean Cities intern for both the Detroit and Ann Arbor Clean Cities Coalitions from the fall 2013 through the winter 2015 and...

  9. Ingrid Ann Christner Kolb | Department of Energy

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

    Ingrid Ann Christner Kolb About Us Ingrid Ann Christner Kolb - Director, Office of Management Career Highlights Deputy Director, Office of Management, U.S. Department of Energy Chief of Staff, Associate Deputy Secretary, U.S. Department of Energy Chief of Staff, Chief Financial Officer, U.S. Department of Homeland Security (DHS). Chief of Staff, Budget and Evaluation/Chief Financial Officer, Office of Management, U.S. Department of Energy Acting Deputy Director, Demand Reduction, Office of

  10. Stable, High-Efficiency White Electrophosphorescent Organic Light Emitting

    Energy Savers [EERE]

    Devices by Reduced Molecular Dissociation | Department of Energy Stable, High-Efficiency White Electrophosphorescent Organic Light Emitting Devices by Reduced Molecular Dissociation Stable, High-Efficiency White Electrophosphorescent Organic Light Emitting Devices by Reduced Molecular Dissociation Lead Performer: University of Michigan - Ann Arbor - Ann Arbor, MI Partners: - University of California - City, CA - Universal Display Corporation - Ewing, NJ DOE Total Funding: $1,314,240 Cost

  11. Ann Arbor, Michigan: Solar in Action (Brochure)

    SciTech Connect (OSTI)

    Not Available

    2011-10-01

    This brochure provides an overview of the challenges and successes of Ann Arbor, Michigan, a 2007 Solar America City awardee, on the path toward becoming a solar-powered community. Accomplishments, case studies, key lessons learned, and local resource information are given.

  12. Anne Jones | Center for Bio-Inspired Solar Fuel Production

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

    Ana Moore Anne Jones Devens Gust Don Seo Giovanna Ghirlanda Hao Yan James Allen Kevin Redding Petra Fromme Thomas Moore Yan Liu Anne Jones Principal Investigator Phone: 480-965-0356 Fax: 480-965-2747 E-mail: anne.katherine.jones@asu.edu As a Principal Investigator Assistant Professor Anne Jones contributes in research of Subtasks 1 and 3. Her major efforts are directed towards developing artificial, hydrogen-producing catalysts and functionally connecting them to electrode surfaces. In the Jones

  13. ORISE: Ann Gehl named new manager of Beryllium Lymphocyte Proliferation

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

    Laboratory Gehl named manager of Beryllium Laboratory New manager brings nearly 30 years of laboratory experience to role at ORISE FOR IMMEDIATE RELEASE Sept. 2, 2014 FY14-61 Ann Gehl Ann Gehl (Click for high resolution version) OAK RIDGE, Tenn.-ORAU has announced that Ann Gehl, with nearly 30 years of medical technology and laboratory experience, will become the manager of the Beryllium Lymphocyte Proliferation Laboratory. ORAU manages the lab for the Department of Energy. Gehl is replacing

  14. Anne de Guibert, SAFT, Critical Materials and Alternatives for Storage

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

    Batteries | Department of Energy Anne de Guibert, SAFT, Critical Materials and Alternatives for Storage Batteries Anne de Guibert, SAFT, Critical Materials and Alternatives for Storage Batteries Office presentation icon Session_B6_Anne_de_Guibert.ppt More Documents & Publications Overview of the Batteries for Advanced Transportation Technologies (BATT) Program Vehicle Technologies Office Merit Review 2014: Overview of the DOE Advanced Battery R&D Program Vehicle Technologies Office:

  15. Anne Arundel County, Maryland: Energy Resources | Open Energy...

    Open Energy Info (EERE)

    LLC a groSolar company EnergyWorks North America International Masonry Institute Jay Hall & Associates, Inc. Synergics UEK Corporation Places in Anne Arundel County, Maryland...

  16. White Roofs

    ScienceCinema (OSTI)

    Chu, Steven

    2013-05-29

    Secretary Steven Chu discusses the benefits of switching to white roofs and light colored pavements.

  17. Anne Arundel County- Solar and Geothermal Equipment Property Tax Credits

    Broader source: Energy.gov [DOE]

    Anne Arundel County offers a one-time credit from county property taxes on residential dwellings that use solar and geothermal energy equipment for heating and cooling, and solar energy equipment...

  18. VBA-0038- In the Matter of Ann Johndro-Collins

    Broader source: Energy.gov [DOE]

    This Decision considers an Appeal of an Initial Agency Decision issued on September 27, 1999, on a complaint filed by Ann Johndro-Collins (Johndro-Collins or the complainant) under the Department...

  19. VWA-0037- In the Matter of Ann Johndro-Collins

    Broader source: Energy.gov [DOE]

    This Decision considers a complaint of retaliation and request for relief filed by Ann Johndro-Collins (the Complainant) under the Department of Energy’s (DOE) Contractor Employee Protection...

  20. Anne Arundel County- High Performance Dwelling Property Tax Credit

    Broader source: Energy.gov [DOE]

    The state of Maryland permits local governments (Md Code: Property Tax § 9-242) to offer property tax credits for high performance buildings if they choose to do so. In October 2010 Anne Arundel...

  1. OFPP Current Issues - Anne Rung, OFPP Administrator | Department of Energy

    Energy Savers [EERE]

    OFPP Current Issues - Anne Rung, OFPP Administrator OFPP Current Issues - Anne Rung, OFPP Administrator We're Moving Forward in Three Areas Launching Category Management Driving Innovation Building Stronger Vendor Relationships PDF icon Workshop 2015 - Rung_Office of Federal Procurement Policy.pdf More Documents & Publications 2015 DOE Acquisition and Project Management (APM) Workshop Presentations POLICY FLASH 2016-03 POLICY FLASH 2016-01

  2. White Papers

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

    White Papers White Papers This page contains a collection of white papers on IS&T topics and presentations about ISTI. Contact Institute Director Stephan Eidenbenz (505) 667-3742 Email Professional Staff Assistant Nickole Aguilar Garcia (505) 665-3048 Email What is ISTI? Slide deck, Author: S. Eidenbenz, November 2015

  3. Alternative Fuels Data Center: Hydraulic Hybrids: A Success in Ann Arbor

    Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

    Hydraulic Hybrids: A Success in Ann Arbor to someone by E-mail Share Alternative Fuels Data Center: Hydraulic Hybrids: A Success in Ann Arbor on Facebook Tweet about Alternative Fuels Data Center: Hydraulic Hybrids: A Success in Ann Arbor on Twitter Bookmark Alternative Fuels Data Center: Hydraulic Hybrids: A Success in Ann Arbor on Google Bookmark Alternative Fuels Data Center: Hydraulic Hybrids: A Success in Ann Arbor on Delicious Rank Alternative Fuels Data Center: Hydraulic Hybrids: A

  4. SBOT GEORGIA SOUTHEASTERN POWER ADMIN POC Ann Craft Telephone

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

    GEORGIA SOUTHEASTERN POWER ADMIN POC Ann Craft Telephone (706) 213-3823 Email annc@sepa.doe.gov ADMINISTATIVE / WASTE / REMEDIATION Office Administrative Services 561110 Facilities Support Services 561210 Security Systems Services (except Locksmiths) 561621 Locksmiths 561622 Exterminating and Pest Control Services 561710 Janitorial Services 561720 Landscaping Services 561730 Other Nonhazardous Waste Treatment and Disposal 562219 Remediation Services 562910 CONSTRUCTION Industrial Building

  5. PS-6 From: Bas,JoAnn L -

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

    Larson,Cheryl A - PS-6 From: Bas,JoAnn L - P-6 on behalf of Gendron,Mark 0 - PS-6 Sent: Tuesday, July 15,20081:13 PM To: Larson,Cheryl A - PS-6 Subject: FW: Contract templates...

  6. Statement of Anne M. Harrington, Deputy Administrator for Defense Nuclear

    National Nuclear Security Administration (NNSA)

    Nonproliferation to the Senate Armed Services Sub Committee On Emerging Threats and Capabilities | National Nuclear Security Administration of Anne M. Harrington, Deputy Administrator for Defense Nuclear Nonproliferation to the Senate Armed Services Sub Committee On Emerging Threats and Capabilities | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response

  7. Mary Ann Fresco receives OPM award for creating, fostering inclusive

    National Nuclear Security Administration (NNSA)

    diversity | National Nuclear Security Administration Mary Ann Fresco receives OPM award for creating, fostering inclusive diversity | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Countering Nuclear Terrorism About Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Library Bios

  8. White Paper

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

    Baker Fellow Howard H. Baker Jr. Center for Public Policy January 2015 White Paper 1:15 Baker Center Board Cynthia Baker Media Consultant Washington, DC The Honorable Howard H. ...

  9. White Paper

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

    1 White Paper 1.15 Alternative Transportation Refueling Infrastructure in the U.S. 2014: Status and Challenges David L. Greene, Sr. Baker Fellow Howard H. Baker Jr. Center for Public Policy January 2015 White Paper 1:15 Baker Center Board Cynthia Baker Media Consultant Washington, DC The Honorable Howard H. Baker Jr. Former Ambassador to Japan Former United States Senator The Honorable Phil Bredesen Former Governor of Tennessee Sam M. Browder Retired, Harriman Oil Sarah Keeton Campbell

  10. Stanford Synchrotron Radiation Lightsource

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

    The Lassa Virus Nucleoprotein Appears to Exhibit Conformational Control of Genome Binding January 2013 SSRL Science Summary by Lori Ann White, SLAC Office of Communications Figure Surface representation of the Lassa virus nucleoprotein showing the RNA bound in between the two sub-domains, highlighting, in particular, a deep pocket that could be a prime target for anti-virals. (Courtesy of the Ollmann Saphire lab, The Scripps Research Institute.) Lassa virus is endemic in Western Africa, and is

  11. Stanford Synchrotron Radiation Lightsource

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

    Biotic-Abiotic Pathways: A New Paradigm for Uranium Reduction in Sediments March 2013 SSRL Science Summary by Lori Ann White, SLAC Office of Communications Figure As part of a larger, DOE-funded investigation into bioremediation of uranium in contaminated aquifers, a group of SSRL scientists made a surprising discovery about how uranium ions behave in the environment. In addition to overturning current scientific models, this research will lead to more efficient, less costly methods for uranium

  12. Daniel White

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

    Daniel White About ESnet Our Mission The Network ESnet History Governance & Policies Career Opportunities ESnet Staff & Org Chart Administration Advanced Network Technologies Cybersecurity Infrastructure, Identity & Collaboration Network Engineering Office of the CTO Operations and Deployment Science Engagement Tools Team Contact Us Contact Us Technical Assistance: 1 800-33-ESnet (Inside US) 1 800-333-7638 (Inside US) 1 510-486-7600 (Globally) 1 510-486-7607 (Globally) Report Network

  13. Jonathan White

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

    White - 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 Fuel Cycle Defense Waste Management Programs Advanced Nuclear Energy

  14. Anne Marti | Center for Gas SeparationsRelevant to Clean Energy

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

    Technologies | Blandine Jerome Anne Marti Previous Next List Anne Marie Marti Postdoctoral Researcher National Energy and Technology Laboratory (NETL) Email: anne.marti [at] contr.netl.doe.gov Phone: 412-386-4773 PhD in Chemistry, University of Texas at Dallas BS in Chemistry, University of West Florida EFRC Research Metal organic frameworks (MOFs) are hybrid organic/inorganic materials that have obtained much interest within the scientific community as a result of their well-defined

  15. Ann Arbor's New Recycling Trucks Get an 'Assist' from Clean Cities

    Broader source: Energy.gov [DOE]

    Hydraulics in vehicles — best known for bouncing cars and kneeling buses — are getting a serious look in Ann Arbor, Mich. The reasons: saving fuel and increasing the life of heavy-use vehicles.

  16. Utah. Code. Ann. 19-5-115: Spills or discharges of oil or...

    Open Energy Info (EERE)

    Utah. Code. Ann. 19-5-115: Spills or discharges of oil or other substance Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute:...

  17. Utah Code Ann. 19-5-107: Discharge of pollutants unlawful...

    Open Energy Info (EERE)

    Ann. 19-5-107: Discharge of pollutants unlawful -- Discharge permit required Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute:...

  18. Progress on an ARM/GCSS/SPARC TWP-ICE Monsoon Case Study

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

    Progress on an ARMGCSSSPARC TWP-ICE Monsoon Case Study Ann Fridlind and Andrew Ackerman ann.fridlind@nasa.gov * www.giss.nasa.govfridlind Introduction Source: Lori Chappel,...

  19. Ann Arbor, Michigan: Solar in Action (Brochure), Solar America Cities, Energy Efficiency & Renewable Energy (EERE)

    Broader source: Energy.gov [DOE]

    This brochure provides an overview of the challenges and successes of Ann Arbor, Michigan, a 2007 Solar America City awardee, on the path toward becoming a solar-powered community. Accomplishments, case studies, key lessons learned, and local resource information are given.

  20. BPA White Book (generation/planning)

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

    White Book 2011 White Book 2010 White Book 2009 White Book 2008 White Book The 2008 White Book was not formally published due to work load constraints associated with completion of...

  1. White Tail | Open Energy Information

    Open Energy Info (EERE)

    Tail Jump to: navigation, search Name White Tail Facility White Tail Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner Exelon Wind Developer...

  2. Stanford Synchrotron Radiation Lightsource

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

    Mesoscale Phase Distribution in Li-ion Battery Electrode Materials May 2013 SSRL Science Summary by Lori Ann White, SLAC Office of Communications Figure Figure 1a) Chemical phase map obtained by linear combination fitting of XANES data at each pixel acquired with FF TXM at Beam Line 6-2 for a particle with nominal composition of Li0.74FePO4. b) STEM image of a fully delithiated sample. Figure adapted from Boesenberg et al. 2013 Li-ion batteries are key devices in the effort to develop efficient

  3. Carbon Cycle 2.0: Mary Ann Piette: Impact of efficient buildings

    ScienceCinema (OSTI)

    Mary Ann Piette

    2010-09-01

    Mary Ann Piette speaks at the Carbon Cycle 2.0 kick-off symposium Feb. 2, 2010. We emit more carbon into the atmosphere than natural processes are able to remove - an imbalance with negative consequences. Carbon Cycle 2.0 is a Berkeley Lab initiative to provide the science needed to restore this balance by integrating the Labs diverse research activities and delivering creative solutions toward a carbon-neutral energy future. http://carboncycle2.lbl.gov/

  4. Anne LaPointe > Director, Catalyst Discovery and Development Laboratory >

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

    Researchers, Postdocs & Graduates > The Energy Materials Center at Cornell Anne LaPointe Director, Catalyst Discovery and Development Laboratory aml329@cornell.edu Dr. LaPointe received her PhD from the Massachusetts Institute of Technology and then went on to a Postdoc at University of North Carolina, Chapel Hill. He research interests are in catalysis, high throughput experimentation, organometallic chemistry and polymer chemistry

  5. Women @ Energy: Lori Diachin | Department of Energy

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

    as a Group Leader and Postdoctoral Program Manager. Women @ Energy: Carol Woodward Maya Gokhale has been a Computer Scientist at the Lawrence Livermore National Laboratory...

  6. Huffman, Lori A From: Trenchard, Glyn D

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

    R Jr (malto:FelxRjrMierarl.gov Sent., Tuesday, October 23, 2012 9:42 AM TO: RUSsell, Woody; Stubblebine, Soott D; Kemp, Christopher J SubjectT. PW: TOC-ENV-NOT-2012-Q1 10,...

  7. Gainache. Lori M From: Conrad, Jill A

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

    06. 2013.3:23 PM To: Alex Nazarali (alexnzaraiictp'rorq'.; Alyss Bubr,,IAbuckl1@gcpud.org); HNRTC Smith, Anthony; Barnbi Rodriguez (bambirodrigquez@ctuir.corrn , 'Barbara...

  8. White light velocity interferometer

    DOE Patents [OSTI]

    Erskine, David J. (Oakland, CA)

    1999-01-01

    The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s.

  9. White light velocity interferometer

    DOE Patents [OSTI]

    Erskine, David J. (Oakland, CA)

    1997-01-01

    The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s.

  10. White light velocity interferometer

    DOE Patents [OSTI]

    Erskine, D.J.

    1997-06-24

    The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s. 41 figs.

  11. White light velocity interferometer

    DOE Patents [OSTI]

    Erskine, D.J.

    1999-06-08

    The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s. 41 figs.

  12. SU-E-T-206: Improving Radiotherapy Toxicity Based On Artificial Neural Network (ANN) for Head and Neck Cancer Patients

    SciTech Connect (OSTI)

    Cho, Daniel D; Wernicke, A Gabriella; Nori, Dattatreyudu; Chao, KSC; Parashar, Bhupesh; Chang, Jenghwa [Weill Cornell Medical College, NY, NY (United States)

    2014-06-01

    Purpose/Objective(s): The aim of this study is to build the estimator of toxicity using artificial neural network (ANN) for head and neck cancer patients Materials/Methods: An ANN can combine variables into a predictive model during training and considered all possible correlations of variables. We constructed an ANN based on the data from 73 patients with advanced H and N cancer treated with external beam radiotherapy and/or chemotherapy at our institution. For the toxicity estimator we defined input data including age, sex, site, stage, pathology, status of chemo, technique of external beam radiation therapy (EBRT), length of treatment, dose of EBRT, status of post operation, length of follow-up, the status of local recurrences and distant metastasis. These data were digitized based on the significance and fed to the ANN as input nodes. We used 20 hidden nodes (for the 13 input nodes) to take care of the correlations of input nodes. For training ANN, we divided data into three subsets such as training set, validation set and test set. Finally, we built the estimator for the toxicity from ANN output. Results: We used 13 input variables including the status of local recurrences and distant metastasis and 20 hidden nodes for correlations. 59 patients for training set, 7 patients for validation set and 7 patients for test set and fed the inputs to Matlab neural network fitting tool. We trained the data within 15% of errors of outcome. In the end we have the toxicity estimation with 74% of accuracy. Conclusion: We proved in principle that ANN can be a very useful tool for predicting the RT outcomes for high risk H and N patients. Currently we are improving the results using cross validation.

  13. THE WHITE HOUSE | Department of Energy

    Energy Savers [EERE]

    THE WHITE HOUSE THE WHITE HOUSE PDF icon THE WHITE HOUSE More Documents & Publications Audit Report: IG-0473 Lapse Documents Inspection Report: IG-0397

  14. Powering Up the Women's Procurement Program Presenters: Ann Sullivan Denise Farris

    Energy Savers [EERE]

    Powering Up the Women's Procurement Program Presenters: Ann Sullivan Denise Farris Madison Services Group, Inc. Farris Law Firm LLC WIPP Government Relations WIPP Member 1156 15 th Street, NW, Suite 1100 1600 Genessee, Suite 433 Washington, DC 20005 Kansas City, MO 64106 Tel: 202 626 8528 Tel: 816 842 0800 Fax: 202 872 8543 Fax: 816 842 0877 Email: asullivan@madisonservicesgroup.com Email: dfarris@farrislawfirm.com 1 A Brief History of the WOSB Program « In 2000, Public Law 106-554

  15. White House Tribal Nations Conference

    Broader source: Energy.gov [DOE]

    The White House will host the seventh annual Tribal Nations Conference to allow tribal leaders to engage with the President, cabinet officials, and the White House Council on Native America Affairs about key issues facing tribes.

  16. White House Tribal Youth Gathering

    Broader source: Energy.gov [DOE]

    The White House will host the first-ever White House Tribal Youth Gathering to provide American Indian and Alaska Native youth from across the country the opportunity to interact directly with senior Administration officials and the White House Council on Native American Affairs. Registration is due May 8, 2015.

  17. ALS Communications Group

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

    Communications Group Print From left: Ashley White, Lori Tamura, Keri Troutman, and Carina Braun. The ALS Communications staff maintain the ALS Web site; write and edit all print...

  18. white-98.pdf

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

    5 A Comparison of Shipboard and Island Observations from the Combined Sensor Program A. B. White Cooperative Institute for Research in Environmental Sciences University of Colorado NOAA-Environmental Technology Laboratory Boulder, Colorado C. W. Fairall and M. J. Post NOAA-Environmental Technology Laboratory Boulder, Colorado Introduction Two issues concerning the Tropical Western Pacific (TWP) Atmospheric Radiation and Cloud Stations (ARCS) are these: To what degree are the measurements

  19. Brendan M. White

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

    Brendan M. White About ESnet Our Mission The Network ESnet History Governance & Policies Career Opportunities ESnet Staff & Org Chart Administration Advanced Network Technologies Cybersecurity Infrastructure, Identity & Collaboration Network Engineering Office of the CTO Operations and Deployment Science Engagement Tools Team Contact Us Contact Us Technical Assistance: 1 800-33-ESnet (Inside US) 1 800-333-7638 (Inside US) 1 510-486-7600 (Globally) 1 510-486-7607 (Globally) Report

  20. The Honorable Michael White The Honorable Michael White

    Office of Legacy Management (LM)

    : \ The Honorable Michael White The Honorable Michael White City,of Cleveland " City,of Cleveland " \ \ 601 Lakesi~de.Avenue ': 601 Lakesi~de.Avenue ': ~ ~ Cleveland, Ohio 44114 Cleveland, Ohio 44114 Dear Mayor White: : Secretary of Energy Hazel'O'Leary has announced a new approach,to openness in, the Department of Energy (DOE) and its communications with the public. In support of this initiative, we are,pleased to forward.the enclosed information r,elated to ~the former Match &

  1. THE WHITE HOUSE | Department of Energy

    Energy Savers [EERE]

    THE WHITE HOUSE THE WHITE HOUSE PDF icon THE WHITE HOUSE More Documents & Publications FACT SHEET: U.S.-China Clean Energy Cooperation Announcements US-China Clean Energy Cooperation Progress Report on U.S.-China Energy Cooperation

  2. Roscoe B White | Princeton Plasma Physics Lab

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

    Roscoe B White Principal Research Physicist, Plasma Physics Laboratory. Lecture Dr. White is a distinguished research fellow in the theory department and a faculty lecturer with...

  3. White Energy Ltd | Open Energy Information

    Open Energy Info (EERE)

    White Energy Ltd Place: Dallas, Texas Zip: 75240 Product: White Energy plans to invest in the development, acquisition and construction of biofuel plants in the USA. Coordinates:...

  4. Whites Renewable Energy | Open Energy Information

    Open Energy Info (EERE)

    Whites Renewable Energy Jump to: navigation, search Name: Whites Renewable Energy Place: United Kingdom Zip: YO8 8EF Sector: Biomass, Renewable Energy Product: UK based company...

  5. White Papers on Materials for Photoelectrochemical Water Splitting...

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

    White Papers on Materials for Photoelectrochemical Water Splitting White Papers on Materials for Photoelectrochemical Water Splitting Series of white papers from the U.S....

  6. Report 23: Photometric Testing of White Tunable LED Luminaires...

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

    Report 23: Photometric Testing of White Tunable LED Luminaires Report 23: Photometric Testing of White Tunable LED Luminaires PDF icon caliper23white-tunable-led-luminaires.pdf ...

  7. Sandia Energy - White House Business Council Roundtable on Water

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

    Protected: White House Business Council Roundtable on Water Home Climate Water Security Protected: White House Business Council Roundtable on Water Previous Next Protected: White...

  8. White Papers | OpenEI Community

    Open Energy Info (EERE)

    Alaska analysis appropriations Categorical Exclusions Coordinating Permit Office Cost Mechanisms Cost Recovery geothermal Hawaii NEPA permitting quarterly meeting White...

  9. Inside the White House: Solar Panels

    Broader source: Energy.gov [DOE]

    Go inside the White House and learn about the installation of solar panels on the roof of the residence.

  10. Women @ Energy: Karen White | Department of Energy

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

    Karen White Women @ Energy: Karen White August 28, 2015 - 10:51am Addthis Karen S. White is controls group leader and data operations manager at the Spallation Neutron Source at Oak Ridge National Laboratory. She attended Old Dominion University, where she earned a bachelor's degree in computer engineering and master's degree in computer science, and George Washington University, where she earned an M.E. in engineering management. Karen S. White is controls group leader and data operations

  11. White House Forum on Minorites in Energy

    Broader source: Energy.gov [DOE]

    On November 13, 2013, the Department of Energy and the White House Office of Science and Technology Policy, the Council for Environmental Quality, and the White House Office of Public Engagement co-hosted the White House Forum on Minorities in Energy. The event included the announcement of the Ambassadors for the Minorities in Energy Initiative.

  12. EIS-0105: Conversion to Coal, Baltimore Gas & Electric Company, Brandon Shores Generating Station Units 1 and 2, Anne Arundel County, Maryland

    Broader source: Energy.gov [DOE]

    The U.S. Department of Energy’s Economic Regulatory Administration Office of Fuels Program, Coal and Electricity Division prepared this statement to assess the potential environmental and socioeconomic impacts associated with prohibiting the use of petroleum products as a primary energy source for Units 1 and 2 of the Brandon Shores Generating Station, located in Anne Arundel County, Maryland.

  13. Technical White Papers | Department of Energy

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

    White Papers Technical White Papers The following technical white papers explore potential options to increase widespread deployment of distributed generation (DG) and combined heat and power (CHP). Issues such as the treatment of CHP in renewable portfolio standards and CHP commissioning are discussed. Avoiding a Train Wreck: Replacing Old Coal Plants with Energy Efficiency, 15 pp, Aug. 2011 Barriers to CHP with Renewable Portfolio Standards, 13 pp, Sept. 2007 A Case for CHP Commissioning, 57

  14. White Mountain Group LLC | Open Energy Information

    Open Energy Info (EERE)

    Group LLC Jump to: navigation, search Name: White Mountain Group, LLC Place: Delaware Product: The company has entered an agreement with Australian Biodiesel Group for a share...

  15. Nondestructive Evaluation and Monitoring Projects NASA White...

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

    Nondestructive Evaluation and Monitoring Projects NASA White Sands Test Facility (WSTF) ... Monitoring of Composite Tanks Pipeline and Pressure Vessel R&D under the ...

  16. The White House's Week of Making

    Broader source: Energy.gov [DOE]

    The White House's Week of Making from June 12-18 will coincide with a National Maker Faire event in Washington, D.C.

  17. City of White, South Dakota (Utility Company) | Open Energy Informatio...

    Open Energy Info (EERE)

    White, South Dakota (Utility Company) Jump to: navigation, search Name: City of White Place: South Dakota Phone Number: 605-629-2601 Website: www.white.govoffice2.comindex Outage...

  18. White Plains, New York: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    in White Plains, New York 3 Registered Financial Organizations in White Plains, New York 4 References US Recovery Act Smart Grid Projects in White Plains, New York Power Authority...

  19. White Arrow Hot Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    White Arrow Hot Springs Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home White Arrow Hot Springs Geothermal Area Contents 1 Area Overview 2 History and...

  20. Recommendation 208 : Use White Paper on Oak Ridge Reservation...

    Office of Environmental Management (EM)

    8 : Use White Paper on Oak Ridge Reservation Recommendation 208 : Use White Paper on Oak Ridge Reservation The ORSSAB approved the enclosed recommendation suggesting DOE Oak Ridge...

  1. White River Electric Assn, Inc | Open Energy Information

    Open Energy Info (EERE)

    Assn, Inc Jump to: navigation, search Name: White River Electric Assn, Inc Place: Colorado Website: www.white-river-electric-assoc Twitter: @WREAColorado Facebook: https:...

  2. White Licks Hot Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    White Licks Hot Springs Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home White Licks Hot Springs Geothermal Area Contents 1 Area Overview 2 History and...

  3. White Sulphur Hot Springs Pool & Spa Low Temperature Geothermal...

    Open Energy Info (EERE)

    Springs Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name White Sulphur Hot Springs Pool & Spa Low Temperature Geothermal Facility Facility White...

  4. Tribal Leaders Provide White House with Input on Bolstering Climate...

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

    Leaders Provide White House with Input on Bolstering Climate Resilience Tribal Leaders Provide White House with Input on Bolstering Climate Resilience January 7, 2015 - 10:29am ...

  5. EISPC White Paper on "State Approaches to Retention of Nuclear...

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

    EISPC White Paper on "State Approaches to Retention of Nuclear Power Plants" Now Available EISPC White Paper on "State Approaches to Retention of Nuclear Power Plants" Now ...

  6. White House Council of Economic Advisers and Energy Department...

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

    White House Council of Economic Advisers and Energy Department Release New Report on Resiliency of Electric Grid During Natural Disasters White House Council of Economic Advisers ...

  7. White Oak Wind Energy Center | Open Energy Information

    Open Energy Info (EERE)

    Wind Energy Center Jump to: navigation, search Name White Oak Wind Energy Center Facility White Oak Wind Energy Center Sector Wind energy Facility Type Commercial Scale Wind...

  8. Barriers to CHP with Renewable Portfolio Standards, Draft White...

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

    CHP with Renewable Portfolio Standards, Draft White Paper, September 2007 Barriers to CHP with Renewable Portfolio Standards, Draft White Paper, September 2007 The recent ...

  9. 21st Century Truck Partnership - Roadmap and Technical White...

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

    - Roadmap and Technical White Papers Appendix of Supporting Information - 21CTP-0003, December 2006 21st Century Truck Partnership - Roadmap and Technical White Papers Appendix of ...

  10. White County, Tennessee: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Number 4 Climate Zone Subtype A. Places in White County, Tennessee Doyle, Tennessee Sparta, Tennessee Retrieved from "http:en.openei.orgwindex.php?titleWhiteCounty,Tennes...

  11. White brings talent, energy to PPPL's small business program...

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

    PPPL Office of Communications ) Arlene White. Last August, Arlene White looked at the agenda for a conference on small businesses the night before the event and received a...

  12. Sandia Energy - Four-color laser white illuminant demonstrating...

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

    laser white illuminant demonstrating high color-rendering quality Home Solid-State Lighting News Four-color laser white illuminant demonstrating high color-rendering quality...

  13. White Creek Wind Power Project | Open Energy Information

    Open Energy Info (EERE)

    Creek Wind Power Project Jump to: navigation, search Name White Creek Wind Power Project Facility White Creek Wind Power Project Sector Wind energy Facility Type Commercial Scale...

  14. Ringleader: Ashley White, Director of Communications

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

    like home." After completing her PhD in Materials Science from the University of Cambridge, White says she was looking for something "a little bit different" and heard about...

  15. 2014 White House Tribal Nations Conference

    Broader source: Energy.gov [DOE]

    On Wednesday, December 3, President Obama will host the 2014 White House Tribal Nations Conference at the Capital Hilton in Washington, DC. The conference will provide leaders from the 566...

  16. Strategic Facility Management: A White Paper

    Broader source: Energy.gov [DOE]

    This white paper provides information on the SFP process, its requirements and benefits, and gives a facility manager the basic tools to launch and successfully complete a SFP for the supported organization.

  17. Lighting Choices - White Background | Department of Energy

    Energy Savers [EERE]

    Choices - White Background Image icon All of these lightbulbs-CFLs, LEDs, and energy-saving incandescents-meet the new energy standards that take effect from 2012-2014. More...

  18. BPA research aids Columbia River white sturgeon

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

    research aids Columbia River white sturgeon 8142015 12:00 AM Tweet Page Content BPA fish biologist Scott Bettin (left) and Brad Cady of the Washington Dept. of Fish and...

  19. History of Electricity at the White House

    Broader source: Energy.gov [DOE]

    The White House has only been electrified for a little over a century. Check out our timeline to read more about what it takes to power 1600 Pennsylvania Avenue.

  20. NGNP High Temperature Materials White Paper

    SciTech Connect (OSTI)

    Lew Lommers; George Honma

    2012-08-01

    This white paper is one in a series of white papers that address key generic issues of the combined construction and operating license (COL) pre-application program key generic issues for the Next Generation Nuclear Plant reactor using the prismatic block fuel technology. The purpose of the pre-application program interactions with the NRC staff is to reduce the time required for COL application review by identifying and addressing key regulatory issues and, if possible, obtaining agreements for their resolution

  1. White_House_0921.pdf | Department of Energy

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

    White_House_0921.pdf White_House_0921.pdf PDF icon White_House_0921.pdf More Documents & Publications EA-0921: Finding of No Significant Impact wh_mission_status.pdf Environmental Leaders, Cabinet Secretaries to Participate in First White House Environmental Justice Forum on December 15, 2010

  2. August 15, 2001: IBM ASCI White | Department of Energy

    Energy Savers [EERE]

    5, 2001: IBM ASCI White August 15, 2001: IBM ASCI White August 15, 2001: IBM ASCI White August 15, 2001 Lawrence Livermore National Laboratory dedicates the "world's fastest supercomputer," the IBM ASCI White supercomputer with 8,192 processors that perform 12.3 trillion operations per second.

  3. White Papers on Materials for Photoelectrochemical Water Splitting |

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

    Department of Energy White Papers on Materials for Photoelectrochemical Water Splitting White Papers on Materials for Photoelectrochemical Water Splitting Series of white papers from the U.S. Department of Energy Photoelectrochemical Working Group (Revision: October 2013). These white papers are intended as concise living documents summarizing the unique potential and challenges faced in the R&D of promising materials classes. PDF icon pec_white_papers.pdf More Documents &

  4. Women @ Energy: Anne Ruffing

    Broader source: Energy.gov [DOE]

    "Very few people can say that their work may help to ‘save the world’ one day. Renewable energy may do just that, providing the world with a sustainable future and helping to mitigate the anthropogenic impact on the Earth. I think that’s pretty cool."

  5. Efficient White SSL Component for General Illumination

    SciTech Connect (OSTI)

    Sean Evans

    2011-01-31

    Cree has developed a new, high-efficiency, low-cost, light emitting diode (LED) module that should be capable of replacing standard, halogen, fluorescent and metal halide lamps based on the total cost of ownership. White LEDs are produced by combining one or more saturated color LEDs with a phosphor or other light down-converting media to achieve white broad-band illumination. This two year project addressed LED chip, package and phosphor efficiency improvements to establish a technology platform suitable for low-cost, high-efficiency commercial luminaires. New phosphor materials with improved quantum efficiency at 'real-life' operating conditions were developed along with new package technology to improve the efficiency of warm white LED modules compared to the baseline technology. Specifically, Cree has successfully demonstrated warm white LED modules providing 540 lumens at a correlated color temperature (CCT) of 3000 K. The LED module had an efficacy of 102.8 lumens per watt (LPW) using 1 mm2 chips biased at 350 mA - a 27% improvement over the technology at project start (81 LPW at 3000K). The white modules also delivered an efficacy of 88 LPW at elevated junction temperatures of 125 C. In addition, a proof-of-concept 4-inch downlight luminaire produced a flux of 1183 lumens at a CCT of 2827 K and a color rendering index (CRI) of 80 using this project's phosphor developments.

  6. Ringleader: Ashley White, Director of Communications

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

    Ashley White, Director of Communications Print After many years as a researcher followed by a few in government and policy, Ashley White sees her new position as ALS Director of Communications as a perfect blend of it all. "I'm thrilled to be back in a research environment, since I started out my career as a researcher and loved being in the lab," she says. "When I walk around the ALS and see all the tin foil and the beamline equipment, it feels like home." After completing

  7. The Honorable Michael'R. White :

    Office of Legacy Management (LM)

    Ewgy Washington,,DC 20585 ,( ; APR 0 3, 1995, The Honorable Michael'R. White : ,601 Lakeside Avenue " Cleveland, Ohio 44114 ' Dear Mayor White! .,' J Secretary.of Energy Hazel O'Leary has.announced a new approach to. openness in .the,Department of Energy (DDE) and,ifs communications with the publ,lc. In ! 'support of this initiative, we are pleased to forward the enclosed informatlon related to the former NationaTACME Machine Co. site in your jurisdiction thjt performed work for DOE or

  8. Differential white cell count by centrifugal microfluidics.

    SciTech Connect (OSTI)

    Sommer, Gregory Jon; Tentori, Augusto M.; Schaff, Ulrich Y.

    2010-07-01

    We present a method for counting white blood cells that is uniquely compatible with centrifugation based microfluidics. Blood is deposited on top of one or more layers of density media within a microfluidic disk. Spinning the disk causes the cell populations within whole blood to settle through the media, reaching an equilibrium based on the density of each cell type. Separation and fluorescence measurement of cell types stained with a DNA dye is demonstrated using this technique. The integrated signal from bands of fluorescent microspheres is shown to be proportional to their initial concentration in suspension. Among the current generation of medical diagnostics are devices based on the principle of centrifuging a CD sized disk functionalized with microfluidics. These portable 'lab on a disk' devices are capable of conducting multiple assays directly from a blood sample, embodied by platforms developed by Gyros, Samsung, and Abaxis. [1,2] However, no centrifugal platform to date includes a differential white blood cell count, which is an important metric complimentary to diagnostic assays. Measuring the differential white blood cell count (the relative fraction of granulocytes, lymphocytes, and monocytes) is a standard medical diagnostic technique useful for identifying sepsis, leukemia, AIDS, radiation exposure, and a host of other conditions that affect the immune system. Several methods exist for measuring the relative white blood cell count including flow cytometry, electrical impedance, and visual identification from a stained drop of blood under a microscope. However, none of these methods is easily incorporated into a centrifugal microfluidic diagnostic platform.

  9. White House Forum on Minorities in Energy

    Broader source: Energy.gov [DOE]

    At the White House Forum on Minorities in Energy, Secretary Moniz honored the Ambassadors of the Minorities in Energy Initiative -- senior-level leaders dedicated to advancing underrepresented groups in the energy sector. Panel discussions at the event covered a wide range of issues including increasing participation in STEM fields by minorities and engaging communities in energy and climate issues.

  10. City of White Mountain, Alaska (Utility Company) | Open Energy...

    Open Energy Info (EERE)

    City of White Mountain, Alaska (Utility Company) Jump to: navigation, search Name: City of White Mountain Place: Alaska Phone Number: 907-638-2230 Outage Hotline: 907-638-2230...

  11. Wayne-White Counties Elec Coop | Open Energy Information

    Open Energy Info (EERE)

    Wayne-White Counties Elec Coop Jump to: navigation, search Name: Wayne-White Counties Elec Coop Place: Illinois Phone Number: (618) 842-2196 Website: waynewhitecoop.com Facebook:...

  12. White County, Indiana: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    in Indiana. Its FIPS County Code is 181. It is classified as ASHRAE 169-2006 Climate Zone Number 5 Climate Zone Subtype A. Utility Companies in White County, Indiana White County...

  13. VBH-0068- In the Matter of Ronald D. White

    Broader source: Energy.gov [DOE]

    This Decision involves a complaint filed by Ronald D. White (White or “Complainant”) under the Department of Energy (DOE) Contractor Employee Protection Program, codified at 10 C.F.R. Part 708....

  14. MOF Coating a Promising Path to White LEDs

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

    MOF Coating a Promising Path to White LEDs MOF Coating a Promising Path to White LEDs Print Friday, 27 February 2015 17:11 Hu et al. designed a new yellow phosphor with high...

  15. President Obama Announces 2015 White House Tribal Nations Conference...

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

    President Obama Announces 2015 White House Tribal Nations Conference October 20, 2015 - 11:16am Addthis On Thursday, Nov. 5, President Obama will host the 2015 White House Tribal ...

  16. Keynote Address: Ali Zaidi, the White House Domestic Policy Council...

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

    Ali Zaidi, the White House Domestic Policy Council Keynote Address: Ali Zaidi, the White House Domestic Policy Council May 21, 2014 2:05PM to 2:30PM PDT Pacific Ballroom Keynote...

  17. White City, Oregon: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    stub. You can help OpenEI by expanding it. White City is a census-designated place in Jackson County, Oregon.1 Registered Energy Companies in White City, Oregon Biomass One LP...

  18. EIS-0376: White Wind Farm Brookings County, South Dakota

    Broader source: Energy.gov [DOE]

    This EIS evaluates the potential environmental impacts of a proposal by Western to interconnect its proposed White Wind Farm Project (Project) to Western’s transmission system at the existing White...

  19. Statement from the White House Press Secretary on the Ongoing...

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

    the White House Press Secretary on the Ongoing U.S. Response to the Earthquakes and Tsunami in Japan Statement from the White House Press Secretary on the Ongoing U.S. Response to...

  20. White LED with High Package Extraction Efficiency

    SciTech Connect (OSTI)

    Yi Zheng; Matthew Stough

    2008-09-30

    The goal of this project is to develop a high efficiency phosphor converting (white) Light Emitting Diode (pcLED) 1-Watt package through an increase in package extraction efficiency. A transparent/translucent monolithic phosphor is proposed to replace the powdered phosphor to reduce the scattering caused by phosphor particles. Additionally, a multi-layer thin film selectively reflecting filter is proposed between blue LED die and phosphor layer to recover inward yellow emission. At the end of the project we expect to recycle approximately 50% of the unrecovered backward light in current package construction, and develop a pcLED device with 80 lm/W{sub e} using our technology improvements and commercially available chip/package source. The success of the project will benefit luminous efficacy of white LEDs by increasing package extraction efficiency. In most phosphor-converting white LEDs, the white color is obtained by combining a blue LED die (or chip) with a powdered phosphor layer. The phosphor partially absorbs the blue light from the LED die and converts it into a broad green-yellow emission. The mixture of the transmitted blue light and green-yellow light emerging gives white light. There are two major drawbacks for current pcLEDs in terms of package extraction efficiency. The first is light scattering caused by phosphor particles. When the blue photons from the chip strike the phosphor particles, some blue light will be scattered by phosphor particles. Converted yellow emission photons are also scattered. A portion of scattered light is in the backward direction toward the die. The amount of this backward light varies and depends in part on the particle size of phosphors. The other drawback is that yellow emission from phosphor powders is isotropic. Although some backward light can be recovered by the reflector in current LED packages, there is still a portion of backward light that will be absorbed inside the package and further converted to heat. Heat generated in the package may cause a deterioration of encapsulant materials, affecting the performance of both the LED die and phosphor, leading to a decrease in the luminous efficacy over lifetime. Recent studies from research groups at Rensselaer Polytechnic Institute found that, under the condition to obtain a white light, about 40% of the light is transmitted outward of the phosphor layer and 60% of the light is reflected inward.1,2 It is claimed that using scattered photon extraction (SPE) technique, luminous efficacy is increased by 60%. In this project, a transparent/translucent monolithic phosphor was used to replace the powdered phosphor layer. In the normal pcLED package, the powdered phosphor is mixed with silicone either to be deposited on the top of LED die forming a chip level conversion (CLC) white LED or to be casted in the package forming a volume conversion white LED. In the monolithic phosphors there are no phosphor powder/silicone interfaces so it can reduce the light scattering caused by phosphor particles. Additionally, a multi-layer thin film selectively reflecting filter is inserted in the white LED package between the blue LED die and phosphor layer. It will selectively transmit the blue light from the LED die and reflect the phosphor's yellow inward emission outward. The two technologies try to recover backward light to the outward direction in the pcLED package thereby improving the package extraction efficiency.

  1. Geothermal Literature Review At White Mountains Area (Goff &...

    Open Energy Info (EERE)

    navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermal Literature Review At White Mountains Area (Goff & Decker, 1983) Exploration Activity Details...

  2. President Obama Announces 2015 White House Tribal Nations Conference |

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

    Department of Energy President Obama Announces 2015 White House Tribal Nations Conference President Obama Announces 2015 White House Tribal Nations Conference October 20, 2015 - 11:16am Addthis On Thursday, Nov. 5, President Obama will host the 2015 White House Tribal Nations Conference in Washington, D.C. The conference will provide leaders from the 567 federally recognized tribes the opportunity to interact directly with high-level federal government officials and members of the White

  3. Modeling-Computer Simulations At White Mountains Area (Goff ...

    Open Energy Info (EERE)

    navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Modeling-Computer Simulations At White Mountains Area (Goff & Decker, 1983) Exploration Activity...

  4. Automation World Features New White Paper on Wireless Security | Department

    Energy Savers [EERE]

    of Energy Automation World Features New White Paper on Wireless Security Automation World Features New White Paper on Wireless Security The April 2009 issue of Automation World magazine features the white paper Wireless Systems Considerations When Implementing NERC Critical Infrastructure Protection Standards. PDF icon Automation World Features New White Paper on Wireless Security More Documents & Publications Wireless System Considerations When Implementing NERC Critical Infrastructure

  5. Entrepreneurs Celebrated at White House Demo Day | Department of Energy

    Office of Environmental Management (EM)

    Entrepreneurs Celebrated at White House Demo Day Entrepreneurs Celebrated at White House Demo Day August 4, 2015 - 1:50pm Addthis Entrepreneurs Celebrated at White House Demo Day Minh Le Minh Le Deputy Director, Solar Energy Technologies Office Today, President Obama is hosting the first-ever White House Demo Day, showcasing entrepreneurs who have launched innovative businesses across the country. The event will highlight a diverse set of entrepreneurs: people whose stories show why America

  6. White River Valley Electric Cooperative- Energy Efficiency Rebate Program

    Broader source: Energy.gov [DOE]

    The White River Electric Coop's Rebate Program offers both residential and commercial rebates. Items available in the program include:

  7. Keynote Address: Ali Zaidi, the White House Domestic Policy Council |

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

    Department of Energy Ali Zaidi, the White House Domestic Policy Council Keynote Address: Ali Zaidi, the White House Domestic Policy Council May 21, 2014 2:05PM to 2:30PM PDT Pacific Ballroom Keynote address by Ali Zaidi, Deputy Director for Energy Policy, the White House Domestic Policy Council

  8. Report 23: Photometric Testing of White Tunable LED Luminaires | Department

    Energy Savers [EERE]

    of Energy 3: Photometric Testing of White Tunable LED Luminaires Report 23: Photometric Testing of White Tunable LED Luminaires PDF icon caliper_23_white-tunable-led-luminaires.pdf More Documents & Publications September 2015 Postings January 2016 POSTINGS 2015 SSL TECHNOLOGY DEVELOPMENT WORKSHOP PRESENTATIONS - Day 2

  9. HTGR Mechanistic Source Terms White Paper

    SciTech Connect (OSTI)

    Wayne Moe

    2010-07-01

    The primary purposes of this white paper are: (1) to describe the proposed approach for developing event specific mechanistic source terms for HTGR design and licensing, (2) to describe the technology development programs required to validate the design methods used to predict these mechanistic source terms and (3) to obtain agreement from the NRC that, subject to appropriate validation through the technology development program, the approach for developing event specific mechanistic source terms is acceptable

  10. White Earth Biomass/Biogas Feasibility Study

    SciTech Connect (OSTI)

    Triplett, Michael

    2015-03-12

    The White Earth Nation examined the feasibility of cost savings and fossil energy reduction through the installation of biogas/biomass boiler at the tribal casino. The study rejected biogas options due to availability and site constraints, but found a favorable environment for technical and financial feasibility of installing a 5 MMBtu hot water boiler system to offset 60-70 percent of current fuel oil and propane usage.

  11. White Mountain Apache Tribe- 2002 Project

    Broader source: Energy.gov [DOE]

    The project will involve an examination of the feasibility of a cogeneration facility at the Fort Apache Timber Company (FATCO), an enterprise of the White Mountain Apache Tribe. FATCO includes a sawmill and a remanufacturing operation that process timber harvested on the tribe's reservation. The operation's main facility is located in the reservation's largest town, Whiteriver. In addition, the tribe operates an ancillary facility in the town of Cibeque on the reservation's west side.

  12. White Earth Nation Biomass Fasibility Study

    Energy Savers [EERE]

    November 16, 2012 Jerome Lhotka, Director, Economic Development Mike Triplett, Planner White Earth Nation Presentation Overview * Study Objectives * Accomplishments to Date * Initial Findings * Observations * Plans Forward 2 Study Objectives * Primary Objectives: * Conduct a due diligence grade feasibility study to assess the opportunity to convert existing thermal and power systems at the Shooting Star Casino to a sustainable bioenergy system. * Background * The Casino is utilizing fuel oil and

  13. White Earth Nation Biomass Feasibility Study

    Energy Savers [EERE]

    May 5, 2015 - DOE Tribal Energy Program Mike Triplett, Planner White Earth Nation Presentation Overview * Study Objectives * Accomplishments to Date * Initial Findings * Observations * Plans Forward 2 Study Objectives * Primary Objectives: * Conduct a due diligence grade feasibility study to assess the opportunity to convert existing thermal and power systems at the Shooting Star Casino to a sustainable bioenergy system. * Background * The Casino is utilizing fuel oil and propane fired boilers

  14. White Earth Nation Biomass Feasibility Study

    Energy Savers [EERE]

    March 27, 2014 Mike Triplett, Planner White Earth Nation Presentation Overview * Study Objectives * Accomplishments to Date * Initial Findings * Observations * Plans Forward 2 Study Objectives * Primary Objectives: * Conduct a due diligence grade feasibility study to assess the opportunity to convert existing thermal and power systems at the Shooting Star Casino to a sustainable bioenergy system. * Background * The Casino is utilizing fuel oil and propane fired boilers as primary source of

  15. Low Voltage White Phosphorescent OLED Achievements

    Broader source: Energy.gov [DOE]

    Universal Display Corporation (UDC) and its research partners at Princeton University and the University of Southern California have succeeded in developing a white phosphorescent OLED (PHOLED™) that achieved a record efficiency of 20 lumens per watt. This achievement is the result of the team's collaborative efforts to increase the efficiency of PHOLED lighting by focusing on two critical factors: lowering the drive voltages and increasing the amount of light extracted.

  16. White House | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Countering Nuclear Terrorism About Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Library Bios Congressional Testimony Fact Sheets Newsletters Press Releases Photo Gallery Jobs Apply for Our Jobs Our Jobs Working at NNSA Blog Home / White

  17. White House Conference on Global Climate Change

    SciTech Connect (OSTI)

    Not Available

    1993-11-01

    President Clinton has directed the White House office on Environmental Policy to coordinate an interagency process to develop a plan to fulfill the commitment he made in his Earth Day address on April 21, 1993. This plan will become the cornerstone of the Climate Change Plan that will be completed shortly after the Rio Accord enters into force. The Office on Environmental Policy established the Interagency Climate Change Mitigation Group to draw on the expertise of federal agencies including the National Economic Council; the Council of Economic Advisors; the Office of Science and Technology Policy; the Office of Management and Budget; the National Security Council; the Domestic Policy Council; the Environmental Protection Agency; and the Departments of Energy, Transportation, Agriculture, Interior, Treasury, Commerce, and State. Working groups have been established to examine six key policy areas: energy demand, energy supply, joint implementation, methane and other gases, sinks, and transportation. The purpose of the White House Conference on Global Climate Change was to ``tap the real-world experiences`` of diverse participants and seek ideas and information for meeting the President`s goals. During the opening session, senior administration officials defined the challenge ahead and encouraged open and frank conversation about the best possible ways to meet it.

  18. Freak waves in white dwarfs and magnetars

    SciTech Connect (OSTI)

    Sabry, R.; Moslem, W. M.; Shukla, P. K.

    2012-12-15

    We report properties of ion acoustic freak waves that propagate in a plasma composed of warm ions and ultrarelativistic electrons and positrons. The dynamics of the nonlinear freak waves is governed by the nonlinear Schroedinger equation. The possible region for the freak waves to exist is defined precisely for typical parameters of white dwarfs and magnetars corona. It is found that for low wave number, the nonlinear ion-acoustic wave packets are structurally stable in magnetars corona than in white dwarfs. However, for large wave numbers the situation is opposite. The critical wave number threshold (k{sub c}), which indicates where the modulational instability sets in, is defined for both applications. It is seen that near to k{sub c} the freak wave amplitude becomes high, but it decreases whenever we stepped away from k{sub c}. For the wave numbers close to k{sub c}, the increase of the unperturbed density ratio of positrons-to-electrons ({beta}) would lead to increase the freak wave amplitude, but for larger wave numbers the amplitude decreases with the increase of {beta}.

  19. White Oak Dam stability analysis. Volume I

    SciTech Connect (OSTI)

    Ahmed, S.B.

    1994-01-01

    A parametric study was conducted to evaluate the stability of the White Oak Dam (WOD) embankment and foundation. Slope stability analyses were performed for the upper and lower bound soil properties at three sections of the dam using the PCSTABL4 computer program. Minimum safety factors were calculated for the applicable seismic and static loading conditions. Liquefaction potential of the dam embankment and foundation solid during the seismic event was assessed by using simplified procedures. The WOD is classified as a low hazard facility and the Evaluation Basis Earthquake (EBE) is defined as an earthquake with a magnitude of m{sub b} = 5.6 and a Peak Ground Accelerator (PGA) of 0.13 g. This event is approximately equivalent to a Modified Mercalli Intensity of VI-VIII. The EBE is used to perform the seismic evaluation for slope stability and liquefaction potential. Results of the stability analyses and the liquefaction assessment lead to the conclusion that the White Oak Dam is safe and stable for the static and the seismic events defined in this study. Ogden Environmental, at the request of MMES, has checked and verified the calculations for the critical loading conditions and performed a peer review of this report. Ogden has determined that the WOD is stable under the defined static and seismic loading conditions and the embankment materials are in general not susceptible to liquefaction.

  20. New Efficiency Record Achieved for White OLED Device

    Broader source: Energy.gov [DOE]

    Osram Opto-Semiconductors, Inc. has successfully demonstrated a white organic light emitting diode (OLED) with a record efficiency of 25 lumens per watt, the highest known efficiency achieved to date for a polymer-based white OLED. The 25 LPW cool-white-emitting device was produced by applying a standard external inorganic phosphor to Osram's record-breaking blue-emitting phosphorescent polymer device with a peak luminous efficacy of 14 LPW.

  1. White House Spotlights Solar Innovation as Summit Registration Continues |

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

    Department of Energy White House Spotlights Solar Innovation as Summit Registration Continues White House Spotlights Solar Innovation as Summit Registration Continues April 23, 2014 - 10:38am Addthis In case you missed it, last Thursday's White House Solar Champions of Change and Solar Summit shed a spotlight on all the amazing work that solar innovators around country are doing to speed deployment and make it faster, cheaper and easier to go solar! The progress made over the last three

  2. Keynote Address: Cristin Dorgelo, White House Office of Science and

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

    Technology Policy | Department of Energy Cristin Dorgelo, White House Office of Science and Technology Policy Keynote Address: Cristin Dorgelo, White House Office of Science and Technology Policy May 21, 2014 2:20PM to 2:30PM PDT Pacific Ballroom Cristin Dorgelo, Assistant Director of Grand Challenges for The White House Office of Science and Technology Policy will deliver a keynote address

  3. Commissioning of CHP Systems - White Paper, April 2008 | Department of

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

    Energy Commissioning of CHP Systems - White Paper, April 2008 Commissioning of CHP Systems - White Paper, April 2008 This 2008 white paper explores commissioning practices of Combined Heat and Power (CHP) systems applied within the built environment. CHP systems are more complex involving increased attention to atmospheric emissions and electric grid interconnection and sophisticated control logic. This paper details four example case studies. A San Francisco hotel was retrofitted with a

  4. The compressibility of cubic white, orthorhombic black and rhombohedral

    Office of Scientific and Technical Information (OSTI)

    black phosphorus (Journal Article) | SciTech Connect Journal Article: The compressibility of cubic white, orthorhombic black and rhombohedral black phosphorus Citation Details In-Document Search Title: The compressibility of cubic white, orthorhombic black and rhombohedral black phosphorus The effect of pressure on the crystal structure of white phosphorus has been studied up to 22.4 GPa. The {alpha} phase was found to transform into the {alpha}' phase at 0.87 {+-} 0.04 GPa with a volume

  5. Environmental Leaders, Cabinet Secretaries to Participate in First White

    Office of Environmental Management (EM)

    House Environmental Justice Forum on December 15, 2010 | Department of Energy Leaders, Cabinet Secretaries to Participate in First White House Environmental Justice Forum on December 15, 2010 Environmental Leaders, Cabinet Secretaries to Participate in First White House Environmental Justice Forum on December 15, 2010 Environmental Leaders, Cabinet Secretaries to Participate in First White House Environmental Justice Forum on December 15, 2010 PDF icon Environmental Leaders, Cabinet

  6. Food and Drug Administration White Oak Campus Environmental Stewardship and

    Office of Environmental Management (EM)

    Cost Savings | Department of Energy Food and Drug Administration White Oak Campus Environmental Stewardship and Cost Savings Food and Drug Administration White Oak Campus Environmental Stewardship and Cost Savings FEMP ESPC Success Story on water conservation and green energy at the Food and Drug Administration (FDA) White Oak Campus. PDF icon espc_ss_whiteoak.pdf More Documents & Publications Energy Savings Performance Contract Success Stories Harold Washington Social Security

  7. 21st Century Truck Partnership - Roadmap and Technical White Papers

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

    Appendix of Supporting Information - 21CTP-0003, December 2006 | Department of Energy - Roadmap and Technical White Papers Appendix of Supporting Information - 21CTP-0003, December 2006 21st Century Truck Partnership - Roadmap and Technical White Papers Appendix of Supporting Information - 21CTP-0003, December 2006 Appendix containing supporting information to the 21st Century Partnership's Roadmap and Technical White Papers (21CTP-003). PDF icon 21ctp_roadmap_appendix_2007.pdf More

  8. White House Highlights New DOE Measures to Advance Renewable Energy

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

    Deployment and Increase Energy Efficiency | Department of Energy White House Highlights New DOE Measures to Advance Renewable Energy Deployment and Increase Energy Efficiency White House Highlights New DOE Measures to Advance Renewable Energy Deployment and Increase Energy Efficiency September 18, 2014 - 10:30am Addthis News Media Contact 202-586-4940 White House Highlights New DOE Measures to Advance Renewable Energy Deployment and Increase Energy Efficiency For more information, see the

  9. Effective White Light Options for Parking Area Lighting | Department of

    Office of Environmental Management (EM)

    Energy Effective White Light Options for Parking Area Lighting Effective White Light Options for Parking Area Lighting Document details lighting technologies that provide low-maintenance alternatives to high-pressure sodium lighting. PDF icon white_light_parking_area..pdf More Documents & Publications LED Provides Effective and Efficient Parking Area Lighting at the NAVFAC Engineering Service Center Demonstration Assessment of Light Emitting Diode (LED) Street Lighting, Final Report

  10. MHK Projects/White Alder Project | Open Energy Information

    Open Energy Info (EERE)

    and Mitigation Efforts See Tethys << Return to the MHK database homepage Retrieved from "http:en.openei.orgwindex.php?titleMHKProjectsWhiteAlderProject&oldid679556...

  11. Comment submitted by the Bradford White Corporation (BWC) regarding...

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

    bwcestarcomment.pdf More Documents & Publications Bradford White Corporation Ex Parte Memo re: 3-24-15 Meeting ISSUANCE 2015-03-27: Energy Conservation Program for Consumer...

  12. Snowflake White Mountain Power Biomass Facility | Open Energy...

    Open Energy Info (EERE)

    Map Retrieved from "http:en.openei.orgwindex.php?titleSnowflakeWhiteMountainPowerBiomassFacility&oldid398118" Feedback Contact needs updating Image needs updating...

  13. White Sulphur Springs Space Heating Low Temperature Geothermal...

    Open Energy Info (EERE)

    Sulphur Springs Space Heating Low Temperature Geothermal Facility Jump to: navigation, search Name White Sulphur Springs Space Heating Low Temperature Geothermal Facility Facility...

  14. ORISE: White paper analyzes Deepwater Horizon event for improving...

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

    Incidents: Common Challenges and Solutions White paper analyzes Deepwater Horizon response, identifies approaches for radiological or nuclear emergency planning The 2010...

  15. White House Council of Economic Advisers and Energy Department...

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

    Council of Economic Advisers and Energy Department Release New Report on Resiliency of Electric Grid During Natural Disasters White House Council of Economic Advisers and Energy ...

  16. NNSA Hosts Cybersecurity Consortium Members Following White House...

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

    Hosts Cybersecurity Consortium Members Following White House Announcement of 25 Million in Grants to 13 HBCUs | National Nuclear Security Administration Facebook Twitter Youtube...

  17. Energy Supplier Obligations and White Certificate Schemes: Comparative...

    Open Energy Info (EERE)

    ways different European Union (EU) member states, including the United Kingdom, Italy, France, Denmark and Belgium, have implemented energy supplier obligations and white...

  18. FEMP Assists White House in Setting GHG Reduction Target for...

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

    ... Government Leading by Example on Climate Change: Our New Federal Sustainability Plan White House Announces New Executive Order To Reduce Greenhouse Gas Emissions in the ...

  19. White House Announces New Executive Order To Reduce Greenhouse...

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

    According to the White House, the President's executive order will build on the federal government's progress in reducing emissions to promote more sustainability actions over the ...

  20. White House Launches the Generation Indigenous Native Youth Challenge...

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

    Administration's Generation Indigenous (Gen-I) initiative by joining the National ... the Interior. President Obama launched the Gen-I Initiative at the 2014 White House Tribal ...

  1. Food and Drug Administration White Oak Campus Environmental Stewardshi...

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

    Food and Drug Administration White Oak Campus Environmental Stewardship and Cost Savings FEMP ESPC Success Story on water conservation and green energy at the Food and Drug ...

  2. White House Steps Up Commitment to Cultivating Next Generation...

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

    in overcrowded living conditions positively affect residents' health and young people's performance in school. To view the full White House Factsheet, visit their website....

  3. NREL: Technology Transfer - NREL to Play Pivotal Role in White...

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

    White House Initiative to Bolster America's Manufacturing Future A photo of a large scale wind turbine with foothills in the background. Experts at the National Wind Technology...

  4. White House Forum on Minorities in Energy | Department of Energy

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

    during the STEM EducationWorkforce Development panel. Image: Matty Greene, Energy Department. 8 of 13 Attendees listen to panel discussions at the White House Forum on Minorities ...

  5. 2012 White Book, Pacific Northwest Loads and Resources Study

    SciTech Connect (OSTI)

    2013-06-06

    The White Book is a planning analysis produced by BPA that informs BPA of its load and resource conditions for sales and purchases. The White Book provides a 10-year look at the expected obligations and resources in the Federal system and PNW region. The White Book is used as a planning tool for the Columbia River Treaty (Treaty) studies, as an information tool for customers and regional interests, and as a publication of information utilized by other planning entities for their analyses. The White Book is not used to guide day-to-day operations of the Federal Columbia River Power System (FCRPS) or determine BPA revenues or rates.

  6. New report from White House outlines largest problems facing...

    Open Energy Info (EERE)

    Office of Electricity Delivery and Energy Reliability and the White House Office of Science and Technology, the report, entitled "Economic Benefits of Increasing Electric Grid...

  7. Llano Estacado Wind Ranch at White Deer | Open Energy Information

    Open Energy Info (EERE)

    Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner Shell Wind Energy Developer Cielo Wind Power Energy Purchaser Xcel Energy Location White...

  8. Celebrating Women's History Month with the White House Council...

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

    to shape his Administration's unwavering commitment to equality and opportunity for all. ... (Official White House Photo by Lawrence Jackson) Celebrating Women's Equality Day 2014

  9. White House Women's Leadership Summit on Climate and Energy recognizes...

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

    research and technologies that provide solutions to the grand challenges of our time: sustainable energy, a healthy environment and a secure nation. White House Women's...

  10. ORISE: Publications - Fact Sheets, Reports, White Papers, Bibliographi...

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

    Fact Sheet (PDF, 600 KB) Scientific Peer Review Fact Sheet (PDF, 270 KB) Reports, Articles and White Papers Oak Ridge Institute for Science and Education: Delivering Agile...

  11. Food and Drug Administration White Oak Campus Environmental Stewardshi...

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

    Oak Campus Environmental Stewardship and Cost Savings FEMP ESPC Success Story on water conservation and green energy at the Food and Drug Administration (FDA) White Oak Campus....

  12. White House Climate Resilience Initiatives Bring New Opportunities for Tribes

    Broader source: Energy.gov [DOE]

    The White House is helping communities tackle climate change challenges by linking two new initiatives: Climate Action Champions and Resilience AmeriCorps.

  13. 100 LPW 800 Lm Warm White LED

    SciTech Connect (OSTI)

    Decai Sun

    2010-10-31

    An illumination grade warm white (WW) LED, having correlated color temperature (CCT) between 2800 K and 3500K and capable of producing 800 lm output at 100 lm/W, has been developed in this program. The high power WW LED is an ideal source for use as replacement for incandescent, and Halogen reflector and general purpose lamps of similar lumen value. Over the two year period, we have made following accomplishments: developed a high power warm white LED product and made over 50% improvements in light output and efficacy. The new high power WW LED product is a die on ceramic surface mountable LED package. It has four 1x1 mm{sup 2} InGaN pump dice flip chip attached to a ceramic submount in 2x2 array, covered by warm white phosphor ceramic platelets called Lumiramic™ and an overmolded silicone lens encapsulating the LED array. The performance goal was achieved through breakthroughs in following key areas: (1) High efficiency pump LED development through pump LED active region design and epi growth quality improvement (funded by internal programs). (2) Increase in injection efficiency (IE) represented by reduction in forward voltage (V{sub f}) through the improvement of the silver-based p-contact and a reduction in spreading resistance. The injection efficiency was increased from 80% at the start of the program to 96% at the end of the program at 700 mA/mm{sup 2}. (3) Improvement in thermal design as represented by reduction in thermal resistance from junction to case, through improvement of the die to submount connection in the thin film flip chip (TFFC) LED and choosing the submount material of high thermal conductivity. A thermal resistance of 1.72 K/W was demonstrated for the high power LED package. (4) Improvement in extraction efficiency from the LED package through improvement of InGaN die level and package level optical extraction efficiency improvement. (5) Improvement in phosphor system efficiency by improving the lumen equivalent (LE) and phosphor package efficiency (PPE) through improvement in phosphor-package interactions. Another achievement in the development of the phosphor integration technology is the demonstration of tight color control. The high power WW LED product developed has been proven to have good reliability. The manufacturing of the product will be done in Philips Lumileds’ LUXEON Rebel production line which has produced billions of high power LEDs. The first high power WW LED product will be released to the market in 2011.

  14. 2013 White Book, Pacific Northwest Loads and Resources Study (summary)

    SciTech Connect (OSTI)

    2013-10-01

    The 2013 Pacific Northwest Loads and Resources Study (2013 White Book) is BPA's latest projection of the Pacific Northwest regional retail loads, contract obligations, contract purchases, and resource capabilities. The 2013 White Book is a snapshot of conditions as of October 1, 2013, documenting the loads and resources for the Federal system and region for the 10-year study period OY 2014 through 2023. The White Book contains projections of regional and Federal system load and resource capabilities, along with relevant definitions and explanations. The White Book also contains information obtained from formalized resource planning reports and data submittals including those from individual utilities, the Northwest Power and Conservation Council (Council), and the Pacific Northwest Utilities Conference Committee (PNUCC). Starting with the 2012 White Book, BPA changed the annual production schedule for future White Books. BPA is scheduled to publish a complete White Book, which includes a Federal System Needs Assessment analysis, every other year (even years). In the odd-numbered years, BPA will publish a biennial summary update (Supplement) that only contains major changes to the Federal System and Regional System analyses that have occurred since the last White Book. http://www.bpa.gov/power/pgp/whitebook/2013/index.shtml.

  15. President Obama Announces 2015 White House Tribal Nations Conference

    Broader source: Energy.gov [DOE]

    On Thursday, Nov. 5, President Obama will host the 2015 White House Tribal Nations Conference in Washington, D.C. The conference will provide leaders from the 567 federally recognized tribes the opportunity to interact directly with high-level federal government officials and members of the White House Council on Native American Affairs.

  16. White House Solar Panels Are a Symbol of Solar's Progress | Department...

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

    An insider look at the White House rooftop solar panels. | Video courtesy of the White ... Last week, the White House released a new video highlighting the installation of solar ...

  17. White House Solar Champions of Change - Watch Now | Department of Energy

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

    White House Solar Champions of Change - Watch Now White House Solar Champions of Change - Watch Now April 17, 2014 - 10:29am Addthis On April 17, 2014 the White House honored solar energy deployment Champions of Change from across the United States. The honorees included several current and former SunShot awardees. The event live streamed from the White House - check out the video above. Additional Resources White House Fact Sheet: Building Progress, Supporting Solar Deployment and Jobs White

  18. Water Integration Project Science Strategies White Paper

    SciTech Connect (OSTI)

    Alan K. Yonk

    2003-09-01

    This white paper has been prepared to document the approach to develop strategies to address Idaho National Engineering and Environmental Laboratory (INEEL) science and technology needs/uncertainties to support completion of INEEL Idaho Completion Project (Environmental Management [EM]) projects against the 2012 plan. Important Idaho Completion Project remediation and clean-up projects include the 2008 OU 10-08 Record of Decision, completion of EM by 2012, Idaho Nuclear Technology and Engineering Center Tanks, INEEL CERCLA Disposal Facility, and the Radioactive Waste Management Complex. The objective of this effort was to develop prioritized operational needs and uncertainties that would assist Operations in remediation and clean-up efforts at the INEEL and develop a proposed path forward for the development of science strategies to address these prioritized needs. Fifteen needs/uncertainties were selected to develop an initial approach to science strategies. For each of the 15 needs/uncertainties, a detailed definition was developed. This included extracting information from the past interviews with Operations personnel to provide a detailed description of the need/uncertainty. For each of the 15 prioritized research and development needs, a search was performed to identify the state of the associated knowledge. The knowledge search was performed primarily evaluating ongoing research. The ongoing research reviewed included Environmental Systems Research Analysis, Environmental Management Science Program, Laboratory Directed Research and Development, Inland Northwest Research Alliance, United States Geological Survey, and ongoing Operations supported projects. Results of the knowledge search are documented as part of this document.

  19. ITO-free white OLEDs on Flexible Substrates with Enhanced Light...

    Energy Savers [EERE]

    ITO-free white OLEDs on Flexible Substrates with Enhanced Light Outcoupling ITO-free white OLEDs on Flexible Substrates with Enhanced Light Outcoupling Lead Performer: Princeton ...

  20. Secretary Moniz's Remarks at the White House Tribal Nations Conference-- As Delivered

    Broader source: Energy.gov [DOE]

    Secretary Moniz's remarks, as delivered, at the White House Tribal Nations Conference on the panel on White House Council on Native American Affairs Energy and Climate Work Groups.

  1. President Obama Announces New Advances and Commitments to Support Tribes at White House Tribal Nations Conference

    Broader source: Energy.gov [DOE]

    The White House brought together tribal leaders from federally recognized tribes to participate in the 7th Annual White House Tribal Nations Conference on Nov. 5, 2015.

  2. MOF Coating a Promising Path to White LEDs

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

    MOF Coating a Promising Path to White LEDs MOF Coating a Promising Path to White LEDs Print Friday, 27 February 2015 17:11 Hu et al. designed a new yellow phosphor with high quantum yield by immobilizing a preslected chromophore into the rigid framework of a metal-organic framework (MOF); the structure was determined at Beamline 11.3.1. Coating a blue light-emitting diode (LED) with this compound readily generates white light with high luminous efficacy. The new yellow phosphor demonstrates

  3. Secretary Chu to Participate in White House Grid Modernization...

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

    energy economy, in part by taking greater advantage of digital and communications or "smart grid" technologies Also at the event, the White House will release a report by the...

  4. White Island Shores, Massachusetts: Energy Resources | Open Energy...

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White Island Shores is a census-designated place in Plymouth County, Massachusetts.1...

  5. White River Junction, Vermont: Energy Resources | Open Energy...

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White River Junction is a census-designated place in Windsor County, Vermont. It falls under...

  6. White County, Georgia: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White County is a county in Georgia. Its FIPS County Code is 311. It is classified as ASHRAE...

  7. White Horse, New Jersey: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White Horse is a census-designated place in Mercer County, New Jersey.1 References US...

  8. White Oak, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White Oak is a census-designated place in Hamilton County, Ohio.1 References US Census...

  9. White Oak West, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White Oak West is a census-designated place in Hamilton County, Ohio.1 References US...

  10. White Pine County, Nevada: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White Pine County is a county in Nevada. Its FIPS County Code is 033. It is classified as...

  11. White County, Illinois: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White County is a county in Illinois. Its FIPS County Code is 193. It is classified as...

  12. White Meadow Lake, New Jersey: Energy Resources | Open Energy...

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White Meadow Lake is a census-designated place in Morris County, New Jersey.1 References...

  13. White Oak, Pennsylvania: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White Oak is a borough in Allegheny County, Pennsylvania. It falls under Pennsylvania's 14th...

  14. White Oak East, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. White Oak East is a census-designated place in Hamilton County, Ohio.1 References US...

  15. Keynote Address: Cristin Dorgelo, White House Office of Science...

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

    to 2:30PM PDT Pacific Ballroom Cristin Dorgelo, Assistant Director of Grand Challenges for The White House Office of Science and Technology Policy will deliver a keynote address...

  16. White Center, Washington: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    stub. You can help OpenEI by expanding it. White Center is a census-designated place in King County, Washington.1 References US Census Bureau 2005 Place to 2006 CBSA...

  17. White River Valley El Coop Inc | Open Energy Information

    Open Energy Info (EERE)

    www.whiteriver.org Twitter: @WhiteRiverEC Facebook: https:www.facebook.comWRVEC?refts Outage Hotline: (417) 335-9333 or (800) 695-0056 Outage Map: ebill.whiteriver.org...

  18. February 23, 2007: Alternative Fuel Vehicle Demonstration at White House

    Broader source: Energy.gov [DOE]

    February 23, 2007President Bush and Secretary Bodman participate in a demonstration of alternative fuel vehicles (AFVs) on the South Lawn of the White House. "I firmly believe that the goal I laid...

  19. White Oak, Maryland: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    stub. You can help OpenEI by expanding it. White Oak is a census-designated place in Montgomery County, Maryland.1 References US Census Bureau 2005 Place to 2006 CBSA...

  20. Inspiration from Environmental Educators and Youth at the White House

    Broader source: Energy.gov [DOE]

    I had the distinct honor of being present at the White House for the announcement of the winners of the annual Presidential Innovation Award for Environmental Educators and President’s...

  1. Join a White House Google+ Hangout with Energy Secretary Moniz...

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

    ... at the White House Science Fair in the State Dining Room, April 22, 2013. The sports-loving grade-schoolers created a new product concept to keep athletes cool and helps players ...

  2. White County Rural E M C | Open Energy Information

    Open Energy Info (EERE)

    White County Rural E M C Address: 302 North Sixth Street Place: Monticello, IN Zip: 47960 Service Territory: Indiana Phone Number: (574) 583-7161 Website: www.cwremc.com Facebook:...

  3. Advances in Chip Technology, Packaging Enable White LED Breakthroughs

    Broader source: Energy.gov [DOE]

    Significant advances in chip technology have enabled Cree, Inc.'s Santa Barbara Technology Center to demonstrate white LEDs with record efficacies as high as 74 lumens per watt - on par with...

  4. White House Energy Security Stakeholders Forum | Department of...

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

    Energy Security Stakeholders Forum White House Energy Security Stakeholders Forum July 27, 2010 - 1:04pm Addthis Remarks as Prepared for Delivery U.S. Deputy Secretary of Energy ...

  5. White House Launches the Generation Indigenous Native Youth Challenge

    Broader source: Energy.gov [DOE]

    On February 17, Director of the White House Domestic Policy Council Cecilia Muñoz announced the launch of the Generation Indigenous Native Youth Challenge at the 2015 United National Indian Tribal Youth (UNITY) Midyear Conference.

  6. White County REMC- Residential Geothermal Heat Pump Rebate Program

    Broader source: Energy.gov [DOE]

    Additional rebates are available for White county REMC customers through the Power Moves program adminstered by the Wabash Valley Power Association.  Visit the Power Moves website for more inform...

  7. CHARACTERIZING THE GALACTIC WHITE DWARF BINARY POPULATION WITH SPARSELY

    Office of Scientific and Technical Information (OSTI)

    SAMPLED RADIAL VELOCITY DATA (Journal Article) | SciTech Connect CHARACTERIZING THE GALACTIC WHITE DWARF BINARY POPULATION WITH SPARSELY SAMPLED RADIAL VELOCITY DATA Citation Details In-Document Search Title: CHARACTERIZING THE GALACTIC WHITE DWARF BINARY POPULATION WITH SPARSELY SAMPLED RADIAL VELOCITY DATA We present a method to characterize statistically the parameters of a detached binary sample-binary fraction, separation distribution, and mass-ratio distribution-using noisy radial

  8. SubTER Crosscut White Paper | Department of Energy

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

    Crosscut White Paper SubTER Crosscut White Paper Subsurface energy sources constitute 80% of our national energy supply. The Energy Department is committed to discovering and harnessing subsurface resources while mitigating impacts of their development through a new Subsurface Technology RD&D (SubTER) Crosscutting team. In collaboration with the Energy Department's national laboratories, the team will address key challenges around a central theme of "Adaptive Control of Subsurface

  9. Nondestructive Evaluation and Monitoring Projects NASA White Sands Test

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

    Facility (WSTF) | Department of Energy Nondestructive Evaluation and Monitoring Projects NASA White Sands Test Facility (WSTF) Nondestructive Evaluation and Monitoring Projects NASA White Sands Test Facility (WSTF) These slides were presented at the Onboard Storage Tank Workshop on April 29, 2010. PDF icon nondestructiveevaluation_nasa_ostw.pdf More Documents & Publications Non Destructive Evaluation (NDE) Methods for Certification and Production/Performance Monitoring of Composite Tanks

  10. Effective White Light Options for Parking Area Lighting

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

    While both providing white light, LED (foreground) provides improved uniformity and energy efficiency compared to induction (background upper right) but at a higher installed cost. Eff ective White Light Options for Parking Area Lighting New lighting technologies provide low maintenance alternatives to high- pressure sodium August 2010 Photo courtesy of PNNL FEDERAL ENERGY MANAGEMENT PROGRAM High-pressure sodium (HPS) lights are common for outdoor lighting because of their 24,000-hour rated life

  11. CFD Modeling for Lost Foam White Side | Department of Energy

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

    CFD Modeling for Lost Foam White Side CFD Modeling for Lost Foam White Side New Modeling Program Provides Higher Quality Lost Foam Molds The lost foam casting process produces clean, high-quality castings with close tolerances. The most important advantage is that no cores (with binders) are required. One challenge in lost foam casting is maintaining the uniformity and quality of the expandable polystyrene (EPS) pattern. This has often been the cause of defects in casting. An estimated 80% or

  12. NNSA Hosts Cybersecurity Consortium Members Following White House

    National Nuclear Security Administration (NNSA)

    Announcement of $25 Million in Grants to 13 HBCUs | National Nuclear Security Administration Library / Press Releases / NNSA Hosts Cybersecurity Consortium Members Following White ... NNSA Hosts Cybersecurity Consortium Members Following White House Announcement of $25 Million in Grants to 13 HBCUs Press Release Jan 16, 2015 WASHINGTON, D.C. - The Department of Energy's National Nuclear Security Administration (DOE/NNSA) hosted a roundtable today with 13 Historically Black Colleges and

  13. NNSA Hosts Cybersecurity Consortium Members Following White House

    National Nuclear Security Administration (NNSA)

    Announcement of $25 Million in Grants to 13 HBCUs | National Nuclear Security Administration NNSA Blog / NNSA Hosts Cybersecurity Consortium Members Following White ... NNSA Hosts Cybersecurity Consortium Members Following White House Announcement of $25 Million in Grants to 13 HBCUs The Department of Energy's National Nuclear Security Administration (DOE/NNSA) hosted a roundtable today with 13 Historically Black Colleges and Universities (HBCUs) to discuss new funding that will strengthen

  14. Tribal Leaders Provide White House with Input on Bolstering Climate

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

    Resilience | Department of Energy Leaders Provide White House with Input on Bolstering Climate Resilience Tribal Leaders Provide White House with Input on Bolstering Climate Resilience January 7, 2015 - 10:29am Addthis As members of the President's State, Local, and Tribal Leaders Task Force on Climate Preparedness, Mayor Reggie Joule, Northwest Arctic Borough (AK) and Chairwoman Karen Diver, Fond du Lac Band of Lake Superior Chippewa (MN), were tasked by the President with providing

  15. Stay-Clean and Durable White Elastomeric Roof Coatings (ERCs)

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

    Stay-Clean and Durable White 2014 Building Technologies Office Elastomeric Roof Coatings (ERCs) Peer Review CRADA with Dow Chemical aged Challenge: speed the development of high performance white coatings that resist soiling, last longer, and save more energy new Mohamad Sleiman MSleiman@LBL.gov Hugo Destaillats HDestaillats@LBL.gov Ronnen Levinson RMLevinson@LBL.gov Lawrence Berkeley National Laboratory Project Summary Timeline: Start date: 10/2011 Planned end date: 9/2014 Key Milestones *

  16. DOE - Office of Legacy Management -- EFB White Mesa Site - 033

    Office of Legacy Management (LM)

    EFB White Mesa Site - 033 FUSRAP Considered Sites Site: EFB White Mesa Site (033 ) Designated Name: Alternate Name: Location: Evaluation Year: Site Operations: Site Disposition: Radioactive Materials Handled: Primary Radioactive Materials Handled: Radiological Survey(s): Site Status: This site is a Uranium Mill Tailings Remedial Action (UMTRA) Title II site located in Utah. UMTRA Title II sites are privately owned and operated sites that were active when the Uranium Mill tailings Radiation

  17. White House Champions of Change Recognizes Solar Innovator | Department of

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

    Energy White House Champions of Change Recognizes Solar Innovator White House Champions of Change Recognizes Solar Innovator June 10, 2013 - 4:30pm Addthis Dr. Siva Sivananthan at the Sivananthan Laboratories in Bolingbrook, Illinois. | Photo courtesy of Megan Strand, UIC Dr. Siva Sivananthan at the Sivananthan Laboratories in Bolingbrook, Illinois. | Photo courtesy of Megan Strand, UIC Minh Le Minh Le Director, Solar Energy Technologies Office What are the key facts? Dr. Sivananthan, a 2009

  18. 2010 DOE Strategic Sustainability Performance Plan - Report to the White

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

    House Council on Environmental Quality and Office of Management and Budget | Department of Energy 10 DOE Strategic Sustainability Performance Plan - Report to the White House Council on Environmental Quality and Office of Management and Budget 2010 DOE Strategic Sustainability Performance Plan - Report to the White House Council on Environmental Quality and Office of Management and Budget Sustainability is fundamental to the Department of Energy's research mission and operations as reflected

  19. White House Leadership Summit on Women, Climate and Energy | Department of

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

    Energy White House Leadership Summit on Women, Climate and Energy 1 of 14 White House Leadership Summit on Women, Climate and Energy Date taken: 2013-05-23 10:05 White House Leadership Summit on Women, Climate and Energy 2 of 14 White House Leadership Summit on Women, Climate and Energy Date taken: 2013-05-23 10:06 White House Leadership Summit on Women, Climate and Energy 3 of 14 White House Leadership Summit on Women, Climate and Energy Date taken: 2013-05-23 10:07 White House Leadership

  20. A COMPREHENSIVE SPECTROSCOPIC ANALYSIS OF DB WHITE DWARFS

    SciTech Connect (OSTI)

    Bergeron, P.; Wesemael, F.; Dufour, Pierre; Beauchamp, A.; Hunter, C.; Gianninas, A.; Limoges, M.-M.; Dufour, Patrick; Fontaine, G. [Departement de Physique, Universite de Montreal, C.P. 6128, Succ. Centre-Ville, Montreal, QC H3C 3J7 (Canada); Saffer, Rex A. [Strayer University, 234 Mall Boulevard, Suite G-50, King of Prussia, PA 19406 (United States); Ruiz, M. T. [Departamento de Astronomia, Universidad de Chile, Casilla 36-D, Santiago (Chile); Liebert, James, E-mail: bergeron@astro.umontreal.ca, E-mail: wesemael@astro.umontreal.ca, E-mail: gianninas@astro.umontreal.ca, E-mail: limoges@astro.umontreal.ca, E-mail: dufourpa@astro.umontreal.ca, E-mail: fontaine@astro.umontreal.ca, E-mail: alain.beauchamp@fti-ibis.com, E-mail: chris.hunter@yale.edu, E-mail: rex.saffer@strayer.edu, E-mail: mtruiz@das.uchile.cl [Steward Observatory, University of Arizona, Tucson, AZ 85721 (United States)

    2011-08-10

    We present a detailed analysis of 108 helium-line (DB) white dwarfs based on model atmosphere fits to high signal-to-noise optical spectroscopy. We derive a mean mass of 0.67 M{sub sun} for our sample, with a dispersion of only 0.09 M{sub sun}. White dwarfs also showing hydrogen lines, the DBA stars, comprise 44% of our sample, and their mass distribution appears similar to that of DB stars. As in our previous investigation, we find no evidence for the existence of low-mass (M < 0.5 M{sub sun}) DB white dwarfs. We derive a luminosity function based on a subset of DB white dwarfs identified in the Palomar-Green Survey. We show that 20% of all white dwarfs in the temperature range of interest are DB stars, although the fraction drops to half this value above T{sub eff} {approx} 20,000 K. We also show that the persistence of DB stars with no hydrogen features at low temperatures is difficult to reconcile with a scenario involving accretion from the interstellar medium, often invoked to account for the observed hydrogen abundances in DBA stars. We present evidence for the existence of two different evolutionary channels that produce DB white dwarfs: the standard model where DA stars are transformed into DB stars through the convective dilution of a thin hydrogen layer and a second channel where DB stars retain a helium atmosphere throughout their evolution. We finally demonstrate that the instability strip of pulsating V777 Her white dwarfs contains no non-variables, if the hydrogen content of these stars is properly accounted for.

  1. 1998 Pacific Northwest Loads and Resources Study: The White Book.

    SciTech Connect (OSTI)

    United States. Bonneville Power Administration.

    1998-12-01

    The Pacific Northwest Loads and Resources Study (White Book) is published annually by BPA and establishes the planning basis for supplying electricity to customers. It serves a dual purpose. First, the White Book presents projections of regional and Federal system load and resource capabilities, along with relevant definitions and explanations. Second, the White Book serves as a benchmark for annual BPA determinations made pursuant to the 1981 regional power sales contracts. Specifically, BPA uses the information in the White Book for determining the notice required when customers request to increase or decrease the amount of power purchased from BPA. The White Book compiles information obtained from several formalized resource planning reports and data submittals, including those from the Northwest Power Planning Council (Council) and the Pacific Northwest Utilities Conference Committee (PNUCC). The White Book is not an operational planning guide, nor is it used for inventory planning to determine BPA revenues. Operation of the Federal Columbia River Power System (FCRPS) is based on a set of criteria different from that used for resource planning decisions. Operational planning is dependent upon real-time or near-term knowledge of system conditions, including expectations of river flows and runoff, market opportunities, availability of reservoir storage, energy exchanges, and other factors affecting the dynamics of operating a power system. The 1998 White Book is presented in two documents: (1) this summary of Federal system and Pacific Northwest region loads and resources; and (2) a technical appendix detailing the loads and resources for each major Pacific Northwest generating utility. This analysis updates the December 1997 Pacific Northwest Loads and Resources Study.

  2. The use of white-rot fungi as active biofilters

    SciTech Connect (OSTI)

    Braun-Luellemann, A.; Johannes, C.; Majcherczyk, A.; Huettermann, A.

    1995-12-31

    White-rot fungi, growing on lignocellulosic substrates, have been successfully used as active organisms in biofilters. Filters using these fungi have a very high biological active surface area, allowing for high degrees of retention, a comparatively low pressure drop, and a high physical stability. The unspecific action of the extracellular enzymes of the white-rot fungi allows for the degradation of a wide variety of substances by the same organism. Degradation of several compounds in the gas phase by the white-rot fungi Trametes versicolor, Pleurotus ostreatus, Bjerkandera adusta, and Phanerochaete chrysosporium was tested. Among the aromatic solvents, styrene was the compound that was most readily degraded, followed by ethylbenzene, xylenes, and toluene. Tetrahydrofuran and dichloromethane were also degraded, whereas dioxane could not be attacked by fungi under the conditions used. Acrylonitrile and aniline were degraded very well, whereas pyridine was resistant to degradation. The process for removing styrene is now in the scaling-up stage.

  3. Constraining the neutrino magnetic dipole moment from white dwarf pulsations

    SciTech Connect (OSTI)

    Crsico, A.H.; Althaus, L.G.; Garca-Berro, E. E-mail: althaus@fcaglp.unlp.edu.ar E-mail: kepler@if.ufrgs.br

    2014-08-01

    Pulsating white dwarf stars can be used as astrophysical laboratories to constrain the properties of weakly interacting particles. Comparing the cooling rates of these stars with the expected values from theoretical models allows us to search for additional sources of cooling due to the emission of axions, neutralinos, or neutrinos with magnetic dipole moment. In this work, we derive an upper bound to the neutrino magnetic dipole moment (?{sub ?}) using an estimate of the rate of period change of the pulsating DB white dwarf star PG 1351+489. We employ state-of-the-art evolutionary and pulsational codes which allow us to perform a detailed asteroseismological period fit based on fully DB white dwarf evolutionary sequences. Plasmon neutrino emission is the dominant cooling mechanism for this class of hot pulsating white dwarfs, and so it is the main contributor to the rate of change of period with time (Pidot) for the DBV class. Thus, the inclusion of an anomalous neutrino emission through a non-vanishing magnetic dipole moment in these sequences notably influences the evolutionary timescales, and also the expected pulsational properties of the DBV stars. By comparing the theoretical Pidot value with the rate of change of period with time of PG 1351+489, we assess the possible existence of additional cooling by neutrinos with magnetic dipole moment. Our models suggest the existence of some additional cooling in this pulsating DB white dwarf, consistent with a non-zero magnetic dipole moment with an upper limit of ?{sub ?}?<10{sup -11}?{sub B}. This bound is somewhat less restrictive than, but still compatible with, other limits inferred from the white dwarf luminosity function or from the color-magnitude diagram of the Globular cluster M5. Further improvements of the measurement of the rate of period change of the dominant pulsation mode of PG 1351+489 will be necessary to confirm our bound.

  4. Secretary Moniz's Remarks at the White House Energy Datapalooza -- As

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

    Delivered | Department of Energy at the White House Energy Datapalooza -- As Delivered Secretary Moniz's Remarks at the White House Energy Datapalooza -- As Delivered May 28, 2014 - 2:18pm Addthis Dr. Ernest Moniz Dr. Ernest Moniz Secretary of Energy It's really great to keep working with John Holdren. We've been working together for a long time with every permutation of one or the other or both of us in government or out of government. And right now, obviously, we're both in. John and I

  5. High Efficiency and Stable White OLED Using a Single Emitter

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

    Jian Li, jian.li.1@asu.edu Arizona State University High efficiency and stable white OLED using a single emitter 2014 Building Technologies Office Peer Review 2 Project Summary Timeline: Start date: 10/1/2011 Planned end date: 9/30/2014 Key Milestones 1. demonstrating a single-doped white device (CRI> 80) with a PE of 40 lm/W @ 1000 cd/m 2 and an operational lifetime over 100 hrs @ 1000 cd/m 2 ; 9/30/13 2. blue device using halogen-free Pt-based emitters with an EQE of over 15%; 9/30/14 3.

  6. Slideshow of the White House Energy Datapalooza | Department of Energy

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

    Slideshow of the White House Energy Datapalooza Slideshow of the White House Energy Datapalooza Addthis An Audience of Data Innovators 1 of 5 An Audience of Data Innovators Nearly 500 tech-savvy participants came out to the Energy Datapalooza hosted May 28, 2014 at the Ronald Reagan Building in Washington D.C. | Photo by Sarah Gerrity, Energy Department. Secretary Moniz speaking to the crowd at the Datapalooza 2 of 5 Secretary Moniz speaking to the crowd at the Datapalooza At the Datapalooza

  7. The White House Goes Solar | Department of Energy

    Energy Savers [EERE]

    The White House Goes Solar The White House Goes Solar October 5, 2010 - 9:53am Addthis Secretary Chu Secretary Chu Former Secretary of Energy As you know, President Obama has a strong commitment to American leadership in solar technologies and the jobs they will create. Through the Recovery Act, we're supporting the deployment of today's solar technologies. And we will double our renewable energy generation capacity by 2012. We're also investing in the next generation of solar power through the

  8. Slideshow from the White House Energy Datapalooza | Department of Energy

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

    Slideshow from the White House Energy Datapalooza Slideshow from the White House Energy Datapalooza May 28, 2014 - 6:07pm Addthis An Audience of Data Innovators 1 of 5 An Audience of Data Innovators Nearly 500 tech-savvy participants came out to the Energy Datapalooza hosted May 28, 2014 at the Ronald Reagan Building in Washington D.C. | Photo by Sarah Gerrity, Energy Department. Secretary Moniz speaking to the crowd at the Datapalooza 2 of 5 Secretary Moniz speaking to the crowd at the

  9. Microsoft Word - QER Lori LeBlanc 05 27 2014.docx

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

    Quadrennial E nergy R eview Stakeholder M eeting # 3 New O rleans, L A May 2 7, 2 014 Testimony b y L ori L eBlanc Director, O ffshore C ommittee, L ouisiana M id---Continent O il & G as Association Thank y ou f or t he o pportunity t o p articipate t oday o n t his p anel. I 'd l ike t o s tart o ff b y saluting the A dministration a nd t he D epartment o f E nergy f or t aking a hard a nd t horough l ook a t t he many d imensions t hat t ogether c omprise our c ountry's v ery promising e

  10. SBOT NEW JERSEY PRINCETON PLASMA LAB POC Arlene White Telephone

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

    JERSEY PRINCETON PLASMA LAB POC Arlene White Telephone (609) 243-2080 Email awhite@pppl.gov ADMINISTATIVE / WASTE / REMEDIATION Facilities Support Services 561210 Employment Placement Agencies 561311 Travel Agencies 561510 Locksmiths 561622 Exterminating and Pest Control Services 561710 Janitorial Services 561720 Landscaping Services 561730 Carpet and Upholstery Cleaning Services 561740 Hazardous Waste Collection 562112 CONSTRUCTION Industrial Building Construction 236210 Commercial and

  11. Seattle, Washington A White House Climate Action Champions Case Study

    Energy Savers [EERE]

    Seattle, Washington A White House Climate Action Champions Case Study INDEX Executive Summary..............................1 Climate Action Champion...................1 Project Spotlight...............................2-4 Co-benefits...........................................4 Challenges and lessons learned.........5 Resources & Contacts..........................6 2 Executive Summary Seattle's goal is to be a carbon neutral city by 2050. In 2013, the City Council adopted a detailed plan to

  12. Oberlin, Ohio A White House Climate Action Champions Case Study

    Energy Savers [EERE]

    Oberlin, Ohio A White House Climate Action Champions Case Study INDEX Executive Summary................................ 1 Climate Action Champion...................... 2 Project Spotlight.................................... 3 Project Facts........................................... 7 Project Costs........................................... 8 Partners & Contacts............................... 9 1 Executive Summary With a rich history of social and civil rights leadership beginning with its

  13. Knoxville, Tennessee A White House Climate Action Champions Case Study

    Office of Environmental Management (EM)

    Knoxville, Tennessee A White House Climate Action Champions Case Study INDEX Executive Summary...............................2 Climate Action Champion....................2 Project Spotlight................................3-5 Co-benefits............................................6 Challenges and lessons learned..........6 Resources & Contacts...........................7 Executive Summary Like many communities, many Knoxville neighborhoods struggle with the lingering symptoms of mid- 20th

  14. Dubuque, Iowa A White House Climate Action Champions Case Study

    Office of Environmental Management (EM)

    Dubuque, Iowa A White House Climate Action Champions Case Study INDEX Executive Summary..............................2 Climate Action Champion...................2 Project Spotlight...............................3-4 Project Impact & CoBenefits................4 Lessons Learned & Opportunities......4 Resources & Contacts..........................4 2 Executive Summary Dubuque, Iowa is a community of approximately 58,000 located along the bluffs of the Mississippi River where Iowa,

  15. EIS-0443: Southwest Intertie Project-South (SWIP-S), White Pine...

    Office of Environmental Management (EM)

    3: Southwest Intertie Project-South (SWIP-S), White Pine, Nye, Lincoln, and Clark counties, NV EIS-0443: Southwest Intertie Project-South (SWIP-S), White Pine, Nye, Lincoln, and...

  16. Microsoft Word - GRS Review_OMB White Paper - Real Property Right...

    Energy Savers [EERE]

    GRS ReviewOMB White Paper - Real Property Right-sizing and Carbon Reduction August 7 2009 2.docx Microsoft Word - GRS ReviewOMB White Paper - Real Property Right-sizing and...

  17. Type Ia supernovae from merging white dwarfs. II. Post-merger...

    Office of Scientific and Technical Information (OSTI)

    Type Ia supernovae from merging white dwarfs. II. Post-merger detonations Citation Details In-Document Search Title: Type Ia supernovae from merging white dwarfs. II. Post-merger ...

  18. Roadmap and Technical White Papers for 21st Century Truck Partnership...

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

    Roadmap and Technical White Papers for 21st Century Truck Partnership Roadmap and Technical White Papers for 21st Century Truck Partnership Roadmap document for 21st Century Truck ...

  19. DOE Publishes CALiPER Report on the Photometric Testing of White...

    Office of Environmental Management (EM)

    Photometric Testing of White-Tunable LED Luminaires DOE Publishes CALiPER Report on the Photometric Testing of White-Tunable LED Luminaires September 24, 2015 - 4:22pm Addthis The ...

  20. White House Leadership Summit on Women, Climate and Energy | Department of

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

    Energy White House Leadership Summit on Women, Climate and Energy White House Leadership Summit on Women, Climate and Energy Addthis Topic Energy Efficiency Energy Usage Science & Innovation

  1. New White House Report Highlights Investments in the Future of Indian Country

    Broader source: Energy.gov [DOE]

    On February 27, the White House released its 2014 White House Tribal Nations Conference Progress Report, Investing in the Future of Tribal Nations. The report gives substance to the President’s...

  2. Comment submitted by the Bradford White Corporation (BWC) regarding the Energy Star Verification Testing Program

    Broader source: Energy.gov [DOE]

    This document is a comment submitted by the Bradford White Corporation (BWC) regarding the Energy Star Verification Testing Program

  3. Two Tribes Recognized as Climate Action Champions During White House Tribal

    Energy Savers [EERE]

    Nations Conference | Department of Energy Two Tribes Recognized as Climate Action Champions During White House Tribal Nations Conference Two Tribes Recognized as Climate Action Champions During White House Tribal Nations Conference December 4, 2014 - 12:00pm Addthis Two Tribes are among the winners of the Climate Action Champions competition, the White House announced on Wednesday, December 3, at the White House Tribal Nations Conference in Washington, D.C. Recognizing the Blue Lake

  4. Roadmap and Technical White Papers for 21st Century Truck Partnership |

    Energy Savers [EERE]

    Department of Energy Roadmap and Technical White Papers for 21st Century Truck Partnership Roadmap and Technical White Papers for 21st Century Truck Partnership Roadmap document for 21st Century Truck Partnership developed to pursue detailed goals for engine systems, heavy-duty hybrids, parasitic losses, idle reduction, and safety, PDF icon 21ctp_roadmap_white_papers_2013.pdf More Documents & Publications 21st Century Truck Partnership Roadmap Roadmap and Technical White Papers -

  5. Barriers to CHP with Renewable Portfolio Standards, Draft White Paper, September 2007

    Broader source: Energy.gov [DOE]

    A draft white paper discussing the barriers to combine heat and power (CHP) with renewable portfolio standards

  6. The Feynman integrand as a white noise distribution beyond perturbation theory

    SciTech Connect (OSTI)

    Grothaus, Martin; Vogel, Anna

    2008-06-18

    In this note the concepts of path integrals and techniques how to construct them are presented. Here we concentrate on a White Noise approach. Combining White Noise techniques with a generalized time-dependent Doss' formula Feynman integrands are constructed as white noise distributions beyond perturbation theory.

  7. Technical background information for the environmental and safety report, Volume 4: White Oak Lake and Dam

    SciTech Connect (OSTI)

    Oakes, T.W.; Kelly, B.A.; Ohnesorge, W.F.; Eldridge, J.S.; Bird, J.C.; Shank, K.E.; Tsakeres, F.S.

    1982-03-01

    This report has been prepared to provide background information on White Oak Lake for the Oak Ridge National Laboratory Environmental and Safety Report. The paper presents the history of White Oak Dam and Lake and describes the hydrological conditions of the White Oak Creek watershed. Past and present sediment and water data are included; pathway analyses are described in detail.

  8. Large-scale soil bioremediation using white-rot fungi

    SciTech Connect (OSTI)

    Holroyd, M.L.; Caunt, P.

    1995-12-31

    Some organic pollutant compounds are considered resistant to conventional bioremediation because of their structure or behavior in soil. This phenomenon, together with the increasing need to reach lower target levels in shorter time periods, has shown the need for improved or alternative biological processes. It has been known for some time that the white-rot fungi, particularly the species Phanerochaete chrysosporium, have potentially useful abilities to rapidly degrade pollutant molecules. The use of white-rot fungi at the field scale presents a number of challenges, and this paper outlines the use of a process incorporating Phanerochaete to successfully bioremediate over 6,000 m{sup 3} of chlorophenol-contaminated soil at a site in Finland. Moreover, the method developed is very cost-effective and proved capable of reaching the very low target levels within the contracted time span.

  9. LIVE from the White House Science Fair | Department of Energy

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

    John Schueler John Schueler Former New Media Specialist, Office of Public Affairs Editor's Note: This event has concluded. Today, Secretary Chu will join President Obama at the White House Science Fair to celebrate the winners of a broad range of science, technology, engineering and math (STEM) competitions. The winning student projects, which range from breakthrough basic research to new inventions, will be on display and the President will speak to students, science educators and business

  10. Project Reports for White Mountain Apache Tribe- 2002 Project

    Office of Energy Efficiency and Renewable Energy (EERE)

    The project will involve an examination of the feasibility of a cogeneration facility at the Fort Apache Timber Company (FATCO), an enterprise of the White Mountain Apache Tribe. FATCO includes a sawmill and a remanufacturing operation that process timber harvested on the tribe's reservation. The operation's main facility is located in the reservation's largest town, Whiteriver. In addition, the tribe operates an ancillary facility in the town of Cibeque on the reservation's west side.

  11. White House Women's Leadership Summit on Climate and Energy recognizes

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

    Argonne scientists | Argonne National Laboratory Robin Graham is Deputy Associate Laboratory Director for Computing, Environment and Life Sciences. Robin Graham is Deputy Associate Laboratory Director for Computing, Environment and Life Sciences. Leah Guzowski is an energy policy scientist in Argonne's Decision and Information Sciences division. Leah Guzowski is an energy policy scientist in Argonne's Decision and Information Sciences division. White House Women's Leadership Summit on

  12. Efficacy of 45 lm/W Achieved in White OLED

    Broader source: Energy.gov [DOE]

    Universal Display Corporation (UDC) successfully demonstrated an all phosphorescent white organic light emitting diode (WOLED™) with a power efficacy of 45 lm/W at 1,000 cd/m2. This high-efficacy device was enabled by lowering the device operating voltage, increasing the outcoupling efficiency to ~40% from ~20%, and by incorporating highly efficient phosphorescent emitters that are capable of converting nearly all current passing through a WOLED into light.

  13. White LED Benchmark of 65 Lumens Per Watt Achieved

    Broader source: Energy.gov [DOE]

    Novel chip design and the balance of multiple interrelated design parameters have enabled Cree, Inc.'s Santa Barbara Technology Center to demonstrate white LEDs with efficacies greater than 65 lumens per watt at 350 mA. The results are particularly significant because they were achieved with a pre-production prototype chip using the same package used in Cree's commercially available XLamp® 7090 high power LED, rather than a laboratory device.

  14. ORISE: White paper analyzes Deepwater Horizon event for improving nuclear

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

    and radiological incident planning Deepwater Horizon and Nuclear and Radiological Incidents: Common Challenges and Solutions White paper analyzes Deepwater Horizon response, identifies approaches for radiological or nuclear emergency planning The 2010 Deepwater Horizon oil spill shares many of the same challenges associated with a radiological incident like the one considered in the Empire 09 exercise or even a much larger nuclear incident. By analyzing experiences during Deepwater Horizon,

  15. WHITE HOUSE COUNCIL ON WOMEN AND GIRLS RECENT AGENCY ACCOMPLISHMENTS

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

    WHITE HOUSE COUNCIL ON WOMEN AND GIRLS RECENT AGENCY ACCOMPLISHMENTS MARCH 2014 TABLE OF CONTENTS Corporation of National and Community Service Department of Homeland Security Department of Commerce Department of Defense Department of Energy Department of Education Department of Interior Department of Justice Department of Labor Department of State Department of Transportation Department of Treasury Department of Veteran Affairs Environmental Protection Agency Federal Trade Commission General

  16. PP-39-1 Boise White Paper, L.L.C | Department of Energy

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

    -1 Boise White Paper, L.L.C PP-39-1 Boise White Paper, L.L.C Presidential Permit authorizing Boise White Paper, L.L.C to construct, operate, and maintain electric transmission facilities at the U.S.- Canada Border. PDF icon PP-39-1 Boise White Paper, L.L.C More Documents & Publications PP-96-2 Boise White Paper, L.L.C. PP-39 Boise Cascade Corporation PP-76 The Vermont Electric Transmission Company

  17. World Record White OLED Performance Exceeds 100 lm/W

    Broader source: Energy.gov [DOE]

    Universal Display Corporation (UDC) has successfully demonstrated a record-breaking white organic light-emitting diode (WOLED) with a power efficacy of 102 lm/W at 1000 cd/m2 using its proprietary, high-efficiency phosphorescent OLED technology. This achievement represents a significant milestone for OLED technology, demonstrating performance that surpasses the power efficacy of incandescent bulbs with less than 15 lm/W and fluorescent lamps at 60-90 lm/W. Funded in part by DOE, UDC's achievement is a major step toward DOE's roadmap goal of a 150 lm/W commercial OLED light source by 2015.

  18. Renewable Energy Opportunities at White Sands Missile Range, New Mexico

    SciTech Connect (OSTI)

    Chvala, William D.; Solana, Amy E.; States, Jennifer C.; Warwick, William M.; Weimar, Mark R.; Dixon, Douglas R.

    2008-09-01

    The document provides an overview of renewable resource potential at White Sands Missile Range (WSMR) based primarily upon analysis of secondary data sources supplemented with limited on-site evaluations. The effort was funded by the U.S. Army Installation Management Command (IMCOM) as follow-on to the 2005 DoD Renewable Energy Assessment. This effort focuses on grid-connected generation of electricity from renewable energy sources and also ground source heat pumps (GSHPs) for heating and cooling buildings, as directed by IMCOM.

  19. White Pine Co. Public School System Biomass Conversion Heating Project

    SciTech Connect (OSTI)

    Paul Johnson

    2005-11-01

    The White Pine County School District and the Nevada Division of Forestry agreed to develop a pilot project for Nevada using wood chips to heat the David E. Norman Elementary School in Ely, Nevada. Consideration of the project was triggered by a ''Fuels for Schools'' grant that was brought to the attention of the School District. The biomass project that was part of a district-wide energy retrofit, called for the installation of a biomass heating system for the school, while the current fuel oil system remained as back-up. Woody biomass from forest fuel reduction programs will be the main source of fuel. The heating system as planned and completed consists of a biomass steam boiler, storage facility, and an area for unloading and handling equipment necessary to deliver and load fuel. This was the first project of it's kind in Nevada. The purpose of the DOE funded project was to accomplish the following goals: (1) Fuel Efficiency: Purchase and install a fuel efficient biomass heating system. (2) Demonstration Project: Demonstrate the project and gather data to assist with further research and development of biomass technology; and (3) Education: Educate the White Pine community and others about biomass and other non-fossil fuels.

  20. White Oak Creek Embayment site characterization and contaminant screening analysis

    SciTech Connect (OSTI)

    Blaylock, B.G.; Ford, C.J.; Frank, M.L.; Hoffman, F.O.; Hook, L.A.

    1993-01-01

    Analyses of sediment samples collected near the mouth of White Oak Creek during the summer of 1990 revealed [sup 137]Cs concentrations [> 10[sup 6] Bq/kg dry wt (> 10[sup 4] pCi/g dry wt)] near the sediment surface. Available evidence indicates that these relatively high concentrations of [sup 137]Cs now at the sediment surface were released from White Oak Dam in the mid-1950s and had accumulated at depositionalsites in the embayment. These accumulated sediments are being eroded and transported downstream primarily during winter low-water levels by flood events and by a combination of normal downstream flow and the water turbulence created by the release of water from Melton Hill Dam during hydropower generation cycles. This report provides a more thorough characterization of the extent of contamination in WOCE than was previously available. Environmental samples collected from WOCE were analyzed for organic, inorganic, and radiological contaminants in fish, water, and sediment. These results were used to conduct a human health effects screening analysis. Walkover radiation surveys conducted inside the fenced area surrounding the WOCE at summer-pool (741 ft MSL) and at winter-pool (733 ft MSL) level, indicated a maximum exposure rate of 3 mR h[sup 1] 1 m above the soil surface.

  1. Moniz Speaks at White House Leadership Summit on Women, Climate and Energy

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

    | Department of Energy Moniz Speaks at White House Leadership Summit on Women, Climate and Energy Moniz Speaks at White House Leadership Summit on Women, Climate and Energy May 24, 2013 - 2:22pm Addthis April Saylor April Saylor Former Digital Outreach Strategist, Office of Public Affairs Yesterday, Secretary Ernest Moniz addressed a select group of 100 women at the White House Leadership Summit on Women, Climate and Energy. He spoke about the challenges facing climate change and the

  2. Type Ia supernovae from merging white dwarfs. II. Post-merger detonations

    Office of Scientific and Technical Information (OSTI)

    (Journal Article) | SciTech Connect Type Ia supernovae from merging white dwarfs. II. Post-merger detonations Citation Details In-Document Search Title: Type Ia supernovae from merging white dwarfs. II. Post-merger detonations Merging carbon-oxygen (CO) white dwarfs are a promising progenitor system for Type Ia supernovae (SNe Ia), but the underlying physics and timing of the detonation are still debated. If an explosion occurs after the secondary star is fully disrupted, the exploding

  3. Neustar White Paper: When Smart Grids Grow Smart Enough to Solve Crimes |

    Office of Environmental Management (EM)

    Department of Energy Neustar White Paper: When Smart Grids Grow Smart Enough to Solve Crimes Neustar White Paper: When Smart Grids Grow Smart Enough to Solve Crimes Smart Grid data access PDF icon Neustar White Paper: When Smart Grids Grow Smart Enough to Solve Crimes More Documents & Publications NBP RFI: Data Access Comments of Avista Corporation on DOE Request for Information-Implementing the National Broadband Plan by Empowering Customers and the Smart Grid: Data Access, Third Party

  4. 21st Century Truck Partnership Roadmap Roadmap and Technical White Papers -

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

    21CTP-0003, December 2006 | Department of Energy Roadmap Roadmap and Technical White Papers - 21CTP-0003, December 2006 21st Century Truck Partnership Roadmap Roadmap and Technical White Papers - 21CTP-0003, December 2006 Report on specific technology goals that will reduce fuel usage and emissions while increasing heavy vehicle safety. PDF icon 21ctp_roadmap_2007.pdf More Documents & Publications Roadmap and Technical White Papers for 21st Century Truck Partnership The 21st Century

  5. 130 LPW 1000 Lm Warm White LED for Illumination

    SciTech Connect (OSTI)

    Soer, Wouter

    2012-06-14

    An illumination-grade warm-white LED, having correlated color temperature (CCT) between 2700 and 3500 K and capable of producing 1000 lm output at over 130 lm/W at room temperature, has been developed in this program. The high-power warm-white LED is an ideal source for use in indoor and outdoor lighting applications. Over the two year period, we have made the following accomplishments: • Developed a low-cost high-power white LED package and commercialized a series of products with CCT ranging from 2700 to 5700 K under the product name LUXEON M; • Demonstrated a record efficacy of 124.8 lm/W at a flux of 1023 lm, CCT of 3435 K and color rendering index (CRI) over 80 at room temperature in the productized package; • Demonstrated a record efficacy of 133.1 lm/W at a flux of 1015 lm, CCT of 3475 K and CRI over 80 at room temperature in an R&D package. The new high-power LED package is a die-on-ceramic surface mountable LED package. It has four 2 mm2 InGaN pump dice, flip-chip attached to a ceramic submount in a 2x2 array configuration. The submount design utilizes a design approach that combines a high-thermal- conductivity ceramic core for die attach and a low-cost and low-thermal-conductivity ceramic frame for mechanical support and as optical lens carrier. The LED package has a thermal resistance of less than 1.25 K/W. The white LED fabrication also adopts a new batch level (instead of die-by-die) phosphor deposition process with precision layer thickness and composition control, which provides not only tight color control, but also low cost. The efficacy performance goal was achieved through the progress in following key areas: (1) high-efficiency royal blue pump LED development through active region design and epitaxial growth quality improvement (funded by internal programs); (2) improvement in extraction efficiency from the LED package through improvement of InGaN-die-level and package-level optical extraction efficiency; and (3) improvement in phosphor system efficiency by improving the lumen equivalent (LE) and phosphor package efficiency (PPE) through improvement in phosphor-package interactions. The high-power warm-white LED product developed has been proven to have good reliability through extensive reliability tests. The new kilo-lumen package has been commercialized under the product name LUXEON M. As of the end of the program, the LUXEON M product has been released in the following CCT/CRI combinations: 3000K/70, 4000K/70, 5000K/70, 5700K/70, 2700K/80, 3000K/80 and 4000K/80. LM-80 tests for the products with CCTs of 4000 K and higher have reached 8500 hours, and per IESNA TM-21-11 have established an L70 lumen maintenance value of >51,000 hours at A drive current and up to 120 °C board temperature.

  6. Microsoft PowerPoint - 9_Jessica White-Horton_NMMSS_2013.ppt...

    National Nuclear Security Administration (NNSA)

    Global Monitoring of Uranium Hexafluoride Cylinders Jessica White-Horton, Oak Ridge National Laboratory NMMSS Users Annual Training Meeting, May 21, 2013 Outline 2 Project...

  7. This is Big: The First-Ever White House Student Film Festival | Department

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

    of Energy WhiteHouse.Gov/FilmFest has the full scoop on the first-ever White House Student Film Festival. Learn more, read the official rules, see how to submit your video, and hear from Bill Nye (the Science Guy). WhiteHouse.Gov/FilmFest has the full scoop on the first-ever White House Student Film Festival. Learn more, read the official rules, see how to submit your video, and hear from Bill Nye (the Science Guy). Adam Garber Deputy Director of Digital Content for the Office of Digital

  8. THE MERGER RATE OF BINARY WHITE DWARFS IN THE GALACTIC DISK (Journal

    Office of Scientific and Technical Information (OSTI)

    Article) | SciTech Connect THE MERGER RATE OF BINARY WHITE DWARFS IN THE GALACTIC DISK Citation Details In-Document Search Title: THE MERGER RATE OF BINARY WHITE DWARFS IN THE GALACTIC DISK We use multi-epoch spectroscopy of {approx}4000 white dwarfs in the Sloan Digital Sky Survey to constrain the properties of the Galactic population of binary white dwarf systems and calculate their merger rate. With a Monte Carlo code, we model the distribution of {Delta}RV{sub max}, the maximum radial

  9. Students Lead the Way at the White House Science Fair | Department of

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

    Energy Lead the Way at the White House Science Fair Students Lead the Way at the White House Science Fair October 18, 2010 - 6:55pm Addthis The President looks at a model solar car built by Mikayla Nelson of Montana, White House Photo, Chuck Kennedy, 10/18/10 The President looks at a model solar car built by Mikayla Nelson of Montana, White House Photo, Chuck Kennedy, 10/18/10 John Schueler John Schueler Former New Media Specialist, Office of Public Affairs Mikayla Nelson doesn't understand

  10. Philips Lumileds Develops a Low-Cost, High-Power, Warm-White LED Package |

    Energy Savers [EERE]

    Department of Energy Research & Development » R&D Highlights » Philips Lumileds Develops a Low-Cost, High-Power, Warm-White LED Package Philips Lumileds Develops a Low-Cost, High-Power, Warm-White LED Package High-power white LED die-on-ceramic package developed by Philips Lumileds. With the help of DOE funding, Philips Lumileds has developed a low-cost, high-power, warm-white LED package for general illumination. During the course of the two-year project, this package was used to

  11. The History of Electricity at the White House | Department of Energy

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

    Electricity at the White House The History of Electricity at the White House October 14, 2015 - 3:05pm Addthis Allison Lantero Allison Lantero Digital Content Specialist, Office of Public Affairs The White House is fueled by a lot of things: hard work, long hours, coffee. But one thing we often forget is all the electricity that makes everyday tasks so much more efficient. Built in 1792, the White House has only been electrified for over a century. President Benjamin Harrison and his wife

  12. 70 DA WHITE DWARFS IDENTIFIED IN LAMOST PILOT SURVEY

    SciTech Connect (OSTI)

    Zhao, J. K.; Luo, A. L.; Zhao, G. [Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012 (China); Oswalt, T. D., E-mail: zjk@bao.ac.cn, E-mail: gzhao@bao.ac.cn, E-mail: lal@bao.ac.cn, E-mail: toswalt@fit.edu [Physics and Space Science Department, Florida Institute of Technology, Melbourne, FL 32901 (United States)

    2013-06-01

    We present a spectroscopically identified catalog of 70 DA white dwarfs (WDs) from the LAMOST pilot survey. Thirty-five are found to be new identifications after cross-correlation with the Eisenstein et al. and Villanova catalogs. The effective temperature and gravity of these WDs are estimated by Balmer lines fitting. Most of them are hot WDs. The cooling times and masses of these WDs are estimated by interpolation in theoretical evolution tracks. The peak of the mass distribution is found to be {approx}0.6 M {sub Sun }, which is consistent with prior work in the literature. The distances of these WDs are estimated using the method of synthetic spectral distances. All of these WDs are found to be in the Galactic disk from our analysis of space motions. Our sample supports the expectation that WDs with high mass are concentrated near the plane of the Galactic disk.

  13. White Oak Creek Watershed topographic map and related materials

    SciTech Connect (OSTI)

    Farrow, N.D.

    1981-04-01

    On March 22, 1978 a contract was let to Accu-Air Surveys, Inc., of Seymour, Indiana, to produce a topographic map of the White Oak Creek Watershed. Working from photography and ground control surveys, Accu-Air produced a map to ORNL's specifications. The map is in four sections (N.W., N.E., S.W., S.E.) at a scale of 1:2400. Contour intervals are 5 ft (1.5 m) with accented delineations every 25 ft (7.6 m). The scribe method was used for the finished map. Planimetric features, roads, major fence lines, drainage features, and tree lines are included. The ORNL grid is the primary coordinate system which is superimposed on the state plain coordinates.

  14. NEXT GENERATION NUCLEAR PLANT LICENSING BASIS EVENT SELECTION WHITE PAPER

    SciTech Connect (OSTI)

    Mark Holbrook

    2010-09-01

    The Next Generation Nuclear Plant (NGNP) will be a licensed commercial high temperature gas-cooled reactor (HTGR) plant capable of producing the electricity and high temperature process heat for industrial markets supporting a range of end-user applications. The NGNP Project has adopted the 10 CFR 52 Combined License (COL) application process, as recommended in the Report to Congress, dated August 2008, as the foundation for the NGNP licensing strategy. NRC licensing of the NGNP plant utilizing this process will demonstrate the efficacy of licensing future HTGRs for commercial industrial applications. This white paper is one in a series of submittals that will address key generic issues of the COL priority licensing topics as part of the process for establishing HTGR regulatory requirements.

  15. Waste treatment of kraft effluents by white-rot fungi

    SciTech Connect (OSTI)

    Kondo, R.

    1996-10-01

    The residual lignin in unbleached kraft pulp is commonly removed to afford a fully bleached pulp through a multi-stage bleaching process consisting of chlorination and alkaline-extraction stages. The effluent from such a bleaching process is of growing environmental concern because it shows a dark brown color and contains numerous chlorinated organic substances. Moreover, this effluent is not easily recycled within a mill recovery system because of the potential corrosion problems created by its high chlorine content. White-rot fungi have even heavily modified lignin such as kraft lignin and atoms demonstrated that kraft bleaching effluent can be rot fungi, in particular, Trametes versicolor and this review lecture, the possibility of the application of kraft effluents will be discussed.

  16. Nanocluster-based white-light-emitting material employing surface tuning

    DOE Patents [OSTI]

    Wilcoxon, Jess P. (Albuquerque, NM); Abrams, Billie L. (Albuquerque, NM); Thoma, Steven G. (Albuquerque, NM)

    2007-06-26

    A method for making a nanocrystal-based material capable of emitting light over a sufficiently broad spectral range to appear white. Surface-modifying ligands are used to shift and broaden the emission of semiconductor nanocrystals to produce nanoparticle-based materials that emit white light.

  17. EA-1809: White Earth Nation Wind Energy Project II, Becker and Mahnomen Counties, MN

    Broader source: Energy.gov [DOE]

    This EA evaluates the environmental impacts of a proposal to provide Congressionally Directed funds to the White Earth Nation to purchase and install up to four small mid-sized wind turbines at two sites near the towns of Waubun and Naytahwaush on the White Earth Reservation in Mahnomen County in western Minnesota .

  18. Laboratory Measurements of White Dwarf Photospheric Spectral Lines. Hβ

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

    Falcon, Ross Edward; Sandia National Lab.; Rochau, Gregory A.; Bailey, James E.; Gomez, Thomas; Sandia National Lab.; Montgomery, Michael Houston; Winget, Donald E; Nagayama, Taisuke

    2015-06-18

    We spectroscopically measure multiple hydrogen Balmer line profiles from laboratory plasmas to investigate the theoretical line profiles used in white dwarf (WD) atmosphere models. X-ray radiation produced at the Z Pulsed Power Facility at Sandia National Laboratories initiates plasma formation in a hydrogen-filled gas cell, replicating WD photospheric conditions. We also present time-resolved measurements of Hβ and fit this line using different theoretical line profiles to diagnose electron density, ne, and n = 2 level population, n2. Aided by synthetic tests, we characterize the validity of our diagnostic method for this experimental platform. During a single experiment, we infer amore » continuous range of electron densities increasing from ne ~ 4 to ~30 × 1016 cm-3 throughout a 120-ns evolution of our plasma. Also, we observe n2 to be initially elevated with respect to local thermodynamic equilibrium (LTE); it then equilibrates within ~55 ns to become consistent with LTE. This also supports our electron-temperature determination of Te ~ 1.3 eV (~15,000 K) after this time. At ne≲ 1017 cm-3, we find that computer-simulation-based line-profile calculations provide better fits (lower reduced χ2) than the line profiles currently used in the WD astronomy community. The inferred conditions, however, are in good quantitative agreement. This work establishes an experimental foundation for the future investigation of relative shapes and strengths between different hydrogen Balmer lines.« less

  19. Near-UV absorption in very cool DA white dwarfs

    SciTech Connect (OSTI)

    Saumon, D.; Holberg, J. B.; Kowalski, P. M. E-mail: holberg@argus.lpl.arizona.edu

    2014-07-20

    The atmospheres of very cool, hydrogen-rich white dwarfs (WDs) (T{sub eff} < 6000 K) are challenging to model because of the increased complexity of the equation of state, chemical equilibrium, and opacity sources in a low-temperature, weakly ionized dense gas. In particular, many models that assume relatively simple models for the broadening of atomic levels and mostly ideal gas physics overestimate the flux in the blue part of their spectra. A solution to this problem that has met with some success is that additional opacity at short wavelengths comes for the extreme broadening of the Lyman ? line of atomic H by collisions primarily with H{sub 2}. For the purpose of validating this model more rigorously, we acquired Hubble Space Telescope STIS spectra of eight very cool WDs (five DA and three DC stars). Combined with their known parallaxes, BVRIJHK, and Spitzer IRAC photometry, we analyze their entire spectral energy distribution (from 0.24 to 9.3 ?m) with a large grid of model atmospheres and synthetic spectra. We find that the red wing of the Lyman ? line reproduces the rapidly decreasing near-UV flux of these very cool stars very well. We determine better constrained values of T{sub eff} and gravity as well as upper limits to the helium abundance in their atmospheres.

  20. A MULTI-SURVEY APPROACH TO WHITE DWARF DISCOVERY

    SciTech Connect (OSTI)

    Sayres, Conor; Davenport, James R. A.; AlSayyad, Yusra; Tofflemire, Benjamin M.; Subasavage, John P.; Bergeron, P.; Dufour, P.

    2012-04-15

    By selecting astrometric and photometric data from the Sloan Digital Sky Survey (SDSS), the Lepine and Shara Proper Motion North Catalog (LSPM-North), the Two Micron All Sky Survey (2MASS), and the USNO-B1.0 catalog, we use a succession of methods to isolate white dwarf (WD) candidates for follow-up spectroscopy. Our methods include reduced proper motion diagram cuts, color cuts, and atmospheric model adherence. We present spectroscopy of 26 WDs obtained from the CTIO 4 m and APO 3.5 m telescopes. Additionally, we confirm 28 WDs with spectra available in the SDSS DR7 database but unpublished elsewhere, presenting a total of 54 WDs. We label one of these as a recovered WD while the remaining 53 are new discoveries. We determine physical parameters and estimate distances based on atmospheric model analyses. Three new WDs are modeled to lie within 25 pc. Two additional WDs are confirmed to be metal-polluted (DAZ). Follow-up time series photometry confirms another object to be a pulsating ZZ Ceti WD.

  1. President Obama Welcomes 2013 Fermi Award Winners to the White House |

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

    Department of Energy Welcomes 2013 Fermi Award Winners to the White House President Obama Welcomes 2013 Fermi Award Winners to the White House February 3, 2014 - 6:24pm Addthis Energy Secretary Ernest Moniz presents the 2013 Enrico Fermi Awards to Dr. Allen J. Bard and Dr. Andrew Sessler in a ceremony at the U.S. Department of Energy in Washington, D.C., on February 3, 2014. Fae Jencks Confidential Assistant, White House Office of Science & Technology Policy Editor's note: This article

  2. Microsoft Word - GRS Review_OMB White Paper - Real Property Right-sizing

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

    and Carbon Reduction August 7 2009 _2_.docx | Department of Energy GRS Review_OMB White Paper - Real Property Right-sizing and Carbon Reduction August 7 2009 _2_.docx Microsoft Word - GRS Review_OMB White Paper - Real Property Right-sizing and Carbon Reduction August 7 2009 _2_.docx PDF icon Microsoft Word - GRS Review_OMB White Paper - Real Property Right-sizing and Carbon Reduction August 7 2009 _2_.docx More Documents & Publications Executive Branch Management Scorecard 2013 guidance

  3. Statement from the White House Press Secretary on the Ongoing U.S. Response

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

    to the Earthquakes and Tsunami in Japan | Department of Energy the White House Press Secretary on the Ongoing U.S. Response to the Earthquakes and Tsunami in Japan Statement from the White House Press Secretary on the Ongoing U.S. Response to the Earthquakes and Tsunami in Japan March 14, 2011 - 12:00am Addthis THE WHITE HOUSE Office of the Press Secretary Our thoughts and our prayers remain with the people of Japan. The President has been kept fully briefed on developments and the response

  4. Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev 2 revised |

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

    Department of Energy 2 Holman White PM Conference 2010 Rev 2 revised Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev 2 revised PDF icon Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev 2 revised More Documents & Publications Microsoft PowerPoint - 5.3 Item 01 Top Kill Operation Status 09 June 1400.pptx Microsoft PowerPoint - Enterprise Top Hat Phases - 07-04-2010.pptx Microsoft PowerPoint - 14 Simpson Bosco final PM Workshop Simpson Mar09_2010 revised

  5. White Paper on Energy Efficiency Status of Energy-Using Products in China (2011)

    SciTech Connect (OSTI)

    Zhou, Nan; Romankiewicz, John; Fridley, David

    2012-06-01

    This White Paper focuses on the areas and products involved in the above tasks, based on the White Paper - Energy Efficiency Status of Energy-Using Products in China (2010), here referred to as White Paper 2010, which analyzed the energy efficiency status of 21 typical energy-using products in five sectors: household appliances, office equipment, commercial equipment, industrial equipment, and lighting equipment. Table 1 illustrates the detailed product coverage for this years paper, noting the addition of three household appliance items (automatic electric rice cooker, AC electric fan, and household induction cooktop) and one industrial sector item (three-phase distribution transformer).

  6. TWINS: THE TWO SHORTEST PERIOD NON-INTERACTING DOUBLE DEGENERATE WHITE

    Office of Scientific and Technical Information (OSTI)

    DWARF STARS (Journal Article) | SciTech Connect TWINS: THE TWO SHORTEST PERIOD NON-INTERACTING DOUBLE DEGENERATE WHITE DWARF STARS Citation Details In-Document Search Title: TWINS: THE TWO SHORTEST PERIOD NON-INTERACTING DOUBLE DEGENERATE WHITE DWARF STARS We report on the detection of the two shortest period non-interacting white dwarf binary systems. These systems, SDSS J143633.29+501026.8 and SDSS J105353.89+520031.0, were identified by searching for radial velocity variations in the

  7. Stay-Clean and Durable White Elastomeric Roof Coatings | Department of

    Energy Savers [EERE]

    Energy Stay-Clean and Durable White Elastomeric Roof Coatings Stay-Clean and Durable White Elastomeric Roof Coatings Lead Performer: Lawrence Berkeley National Laboratory - Berkeley, CA Partner: Dow Chemical - Midland, MI DOE Funding: $570,000 Cost Share: $449,000 Project Term: 10/1/2011 - 9/30/2014 Project Objective This project is developing stay-clean white elastomeric roof coatings (ERCs) with a three-year aged solar reflectance (SR) of at least 0.75 and a service life of 15 years or

  8. Women at the White House Talk Climate and Energy Solutions | Department of

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

    Energy Women at the White House Talk Climate and Energy Solutions Women at the White House Talk Climate and Energy Solutions May 31, 2013 - 2:19pm Addthis April Saylor April Saylor Former Digital Outreach Strategist, Office of Public Affairs More from the Summit: Watch Secretary Moniz's remarks on finding climate change solutions. View the photo gallery. Last week, a select group of 100 women gathered at the White House for a day of education, discussion and action concerning climate and

  9. At the White House, Engaging in a Dialogue on Diversity and Energy |

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

    Department of Energy At the White House, Engaging in a Dialogue on Diversity and Energy At the White House, Engaging in a Dialogue on Diversity and Energy November 14, 2013 - 12:41pm Addthis Secretary Moniz, Ambassadors of the Minorities in Energy Initiative, and panelists attend the White House Forum on Minorities in Energy. View additional photos from the event by checking out our <a href="/node/769881">latest slideshow</a>. | Photo by Matty Greene, Energy Department.

  10. EISPC White Paper on "State Approaches to Retention of Nuclear Power

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

    Plants" Now Available | Department of Energy EISPC White Paper on "State Approaches to Retention of Nuclear Power Plants" Now Available EISPC White Paper on "State Approaches to Retention of Nuclear Power Plants" Now Available October 22, 2015 - 12:11pm Addthis The Eastern Interconnection States' Planning Collaborative (EISPC) has released a white paper on "State Approaches to Retention of Nuclear Power Plants" that examines operational, economic, and

  11. LeAnn Oliver | Department of Energy

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

    Ms. Oliver serves the Department of Energy as the Associate CIO for Information Technology (IT) Policy & Governance. She is responsible for the Department's IT Capital...

  12. AnnReport04_05.indd

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

    a n d i a N a t i o n a l L a b o r a t o r i e s S a n d i a N a t i o n a l L a b o r a t o r i e s 2 0 0 4 - 2 0 0 5 Annual Report Securing a peaceful and free world through technology 1 S a n d i a N a t i o n a l L a b o r a t o r i e s About Sandia � Sandia was born out of America's first atomic bomb development effort- the Manhattan project-and was known as Z Division, part of what's now Los Alamos National Laboratory. Sandia came into being as an ordnance design, testing, and assembly

  13. City of Ann Arbor- Green Power Purchasing

    Broader source: Energy.gov [DOE]

    The city came short of its 2010 goal, achieving 19.8% renewables by 2010. In April 2011, the City Council passed a new goal to reach 30% renewables by 2015 (compared to 2000 levels) in municipal...

  14. TEPP-2012AnnRep_Cover.psd

    Office of Environmental Management (EM)

    using naturally-radioactive thorium lantern mantles. Exercise participants established command, assessed hazards, made notifications, treated and transported a potentially...

  15. Anne Harrington | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Countering Nuclear Terrorism About Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Library Bios Congressional Testimony Fact Sheets Newsletters Press Releases Photo Gallery Jobs Apply for Our Jobs Our Jobs Working at NNSA Blog Home / About

  16. Cosmology at the Beach Lecture: Anne Green

    ScienceCinema (OSTI)

    Ann Green

    2010-01-08

    The lecture was delivered as part of the "Cosmology at the Beach" winter school organized by Berkeley Lab's George Smoot in Los Cabos, Mexico from Jan. 12-16, 2009.  

  17. Laboratory Measurements of White Dwarf Photospheric Spectral Lines. H?

    SciTech Connect (OSTI)

    Falcon, Ross Edward; Rochau, Gregory A.; Bailey, James E.; Gomez, Thomas; Montgomery, Michael Houston; Winget, Donald E; Nagayama, Taisuke

    2015-06-18

    We spectroscopically measure multiple hydrogen Balmer line profiles from laboratory plasmas to investigate the theoretical line profiles used in white dwarf (WD) atmosphere models. X-ray radiation produced at the Z Pulsed Power Facility at Sandia National Laboratories initiates plasma formation in a hydrogen-filled gas cell, replicating WD photospheric conditions. We also present time-resolved measurements of H? and fit this line using different theoretical line profiles to diagnose electron density, ne, and n = 2 level population, n2. Aided by synthetic tests, we characterize the validity of our diagnostic method for this experimental platform. During a single experiment, we infer a continuous range of electron densities increasing from ne ~ 4 to ~30 1016 cm-3 throughout a 120-ns evolution of our plasma. Also, we observe n2 to be initially elevated with respect to local thermodynamic equilibrium (LTE); it then equilibrates within ~55 ns to become consistent with LTE. This also supports our electron-temperature determination of Te ~ 1.3 eV (~15,000 K) after this time. At ne? 1017 cm-3, we find that computer-simulation-based line-profile calculations provide better fits (lower reduced ?2) than the line profiles currently used in the WD astronomy community. The inferred conditions, however, are in good quantitative agreement. This work establishes an experimental foundation for the future investigation of relative shapes and strengths between different hydrogen Balmer lines.

  18. White phosphorus pits focused feasibility study final July 2007.

    SciTech Connect (OSTI)

    Davis, B.; Martino, L.

    2007-08-21

    The White Phosphorus Burning Pits (WPP) Area of Concern (AOC) is a site of about 5.5 acres (2.2 ha) located in the J-Field Study Area, in the Edgewood Area of Aberdeen Proving Ground (APG), Maryland (Figure 1.1). Considerable information about the WPP exists as a result of efforts to characterize the hazards associated with J-Field. Contamination in the J-Field Study Area was first detected during an environmental survey of the APG Edgewood Area conducted in 1977 and 1978 (Nemeth et al. 1983) by the U.S. Army Toxic and Hazardous Materials Agency (USATHAMA; predecessor to the U.S. Army Environmental Center). As part of a subsequent USATHAMA environmental survey, 11 wells were installed and sampled at J-Field (three of them at the WPP) (Nemeth 1989). Contamination was also detected in 1983 during a munitions disposal survey conducted by Princeton Aqua Science (1984). The Princeton Aqua Science investigation involved installing and sampling nine wells (four at the WPP) and collecting and analyzing surficial and deep composite soil samples (including samples from the WPP area). In 1986, the U.S. Environmental Protection Agency (EPA) issued a Resource Conservation and Recovery Act (RCRA) Permit (MD3-21-002-1355) requiring a post-wide RCRA Facility Assessment (RFA) and a hydrogeologic assessment of J-Field. In 1987, the U.S. Geological Survey (USGS) began a two-phase hydrogeologic assessment in which data were collected to model groundwater flow at J-Field. Soil-gas investigations were conducted, several well clusters were installed (four at the WPP), a groundwater flow model was developed, and groundwater and surface water monitoring programs were established that continue today. The results of the USGS study were published by Hughes (1993).

  19. Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev...

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

    PDF icon Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev 2 revised More Documents & Publications Microsoft PowerPoint - 5.3 Item 01 Top Kill Operation Status 09 June ...

  20. What We Talked About with the White House "Entrepreneur-in-Residence...

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

    continued evolution. We recently held a live Apps for Energy Twitter Q&A with Todd Park, U.S. Chief Technology Officer and "tech entrepreneur-in-residence" at the White...

  1. PP-96-2 Boise White Paper, L.L.C. | Department of Energy

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

    L.L.C. to construct, operatr and maintain electric transmission facilities at the U.S.- Canad Border. PDF icon PP-96-2 Boise White Paper, L.L.C. More Documents & Publications...

  2. White House Office of Science and Technology Policy Summer 2014 Internship Program Application Period

    Broader source: Energy.gov [DOE]

    The White House Office of Science and Technology Policy is currently accepting applications for its Summer 2014 Internship Program.  The application deadline is 11:59pm Friday, March 7.  Students...

  3. Towards Truly White LED Lighting | U.S. DOE Office of Science...

    Office of Science (SC) Website

    different colors arranged in pixels of red, green and blue, combined to make white light. ... chain structure of the polymer alters the energy levels of the material and enables light ...

  4. Join a White House Google+ Hangout with Energy Secretary Moniz & EPA Administrator McCarthy

    Broader source: Energy.gov [DOE]

    Join us on Monday, May 19, 2014, at 1 p.m. ET for a live White House Google+ Hangout with Secretary Moniz and EPA Administrator Gina McCarthy about the state of our climate.

  5. DOE Publishes CALiPER Report on the Photometric Testing of White-Tunable LED Luminaires

    Broader source: Energy.gov [DOE]

    The U.S. Department of Energy's CALiPER program has released Report 23: Photometric Testing of White-Tunable LED Luminaires, which is the first in a planned series of investigations on color...

  6. White House Steps Up Commitment to Cultivating Next Generation of Native Leaders

    Broader source: Energy.gov [DOE]

    On July 9, the White House hosted the inaugural Tribal Youth Gathering in collaboration with United National Indian Tribal Youth (UNITY) and the Departments of Justice (DOJ) and Health and Human Services (HHS).

  7. White House Honors Federal Agencies for Saving Taxpayers $133 Million in

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

    Energy Costs by Increasing Efficiency Measures | Department of Energy Honors Federal Agencies for Saving Taxpayers $133 Million in Energy Costs by Increasing Efficiency Measures White House Honors Federal Agencies for Saving Taxpayers $133 Million in Energy Costs by Increasing Efficiency Measures November 2, 2007 - 4:21pm Addthis Recipients of Presidential Awards for Leadership in Federal Energy Management Recognized WASHINGTON, DC - The White House today honored five energy management teams

  8. 21st Century Truck Partnership Roadmap Roadmap and Technical White Papers - 21CTP-0003, December 2006

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

    ACKNOWLEDGEMENTS The 21 st Century Truck Partnership would like to acknowledge the time and resource investment that all our partners have made in developing this roadmap and technical white paper document, and in remaining committed to the goals and objectives outlined herein. We would also like to extend our appreciation to the industry and government teams that produced the individual technical white papers, and the leaders of those teams who are listed below. Engines: Ron Graves (Oak Ridge

  9. Tomorrow: Watch The White House Forum on Minorities in Energy Livestream |

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

    Department of Energy Tomorrow: Watch The White House Forum on Minorities in Energy Livestream Tomorrow: Watch The White House Forum on Minorities in Energy Livestream November 12, 2013 - 4:33pm Addthis Fisk University graduate student, George Turner conducting research at the Lawrence Livermore National Laboratory. | Photo courtesy of Lawrence Livermore National Laboratory. Fisk University graduate student, George Turner conducting research at the Lawrence Livermore National Laboratory. |

  10. Material system for tailorable white light emission and method for making thereof

    DOE Patents [OSTI]

    Smith, Christine A.; Lee, Howard W.

    2004-08-10

    A method of processing a composite material to tailor white light emission of the resulting composite during excitation. The composite material is irradiated with a predetermined power and for a predetermined time period to reduce the size of a plurality of nanocrystals and the number of a plurality of traps in the composite material. By this irradiation process, blue light contribution from the nanocrystals to the white light emission is intensified and red and green light contributions from the traps are decreased.

  11. Material system for tailorable white light emission and method for making thereof

    DOE Patents [OSTI]

    Smith, Christine A. (Livermore, CA); Lee, Howard W. H. (Fremont, CA)

    2009-05-19

    A method of processing a composite material to tailor white light emission of the resulting composite during excitation. The composite material is irradiated with a predetermined power and for a predetermined time period to reduce the size of a plurality of nanocrystals and the number of a plurality of traps in the composite material. By this irradiation process, blue light contribution from the nanocrystals to the white light emission is intensified and red and green light contributions from the traps are decreased.

  12. NSAC Long Range Plan Subcommittee White Papers | U.S. DOE Office of Science

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

    (SC) Subcommittee White Papers Nuclear Science Advisory Committee (NSAC) NSAC Home Meetings Members Charges/Reports Charter .pdf file (78KB) NP Committees of Visitors Federal Advisory Committees NP Home Charges/Reports NSAC Long Range Plan Subcommittee White Papers Print Text Size: A A A FeedbackShare Page Applications Subcommittee Basic Program Subcommittee Computing Subcommittee Science Education Subcommittee External link November 2000 (PDF) Electromagnetic & Hadronic Physics

  13. Innovative Energy-Saving Process Earns Jefferson Lab Team a 2007 White

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

    House Award | Jefferson Lab Innovative Energy-Saving Process Earns Jefferson Lab Team a 2007 White House Award June 12, 2007 Group The Jefferson Lab engineers who received a White House Closing the Circle Award were (left to right): Cryogenic Group Leader Dana Arenius, and team members Mathew Wright, Jonathan Creel, Kelly Dixon, Peter Knudsen and Venkatarao "Rao" Ganni. NEWPORT NEWS, VA, June 12, 2007 - A series of innovative energy-saving processes invented by engineers at the

  14. Development of Corrosion Inhibiting E-Coat System for Body-in-White

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

    Assemblies | Department of Energy Corrosion Inhibiting E-Coat System for Body-in-White Assemblies Development of Corrosion Inhibiting E-Coat System for Body-in-White Assemblies 2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting PDF icon lm053_wang_2012_o.pdf More Documents & Publications 2011 Annual Progress Report for Lightweighting Materials Vehicle Technologies Office Merit Review 2015: Upset Protrusion Joining

  15. Dr. Elizabeth Sherwood-Randall, a Top White House National Security Council

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

    Official, Confirmed as Deputy Secretary of Department of Energy | Department of Energy Elizabeth Sherwood-Randall, a Top White House National Security Council Official, Confirmed as Deputy Secretary of Department of Energy Dr. Elizabeth Sherwood-Randall, a Top White House National Security Council Official, Confirmed as Deputy Secretary of Department of Energy September 18, 2014 - 6:54pm Addthis NEWS MEDIA CONTACT (202) 586-4940 Dr. Elizabeth Sherwood-Randall was confirmed by the Senate on

  16. The active site of hen egg-white lysozyme: flexibility and chemical bonding

    Office of Scientific and Technical Information (OSTI)

    (Journal Article) | SciTech Connect The active site of hen egg-white lysozyme: flexibility and chemical bonding Citation Details In-Document Search Title: The active site of hen egg-white lysozyme: flexibility and chemical bonding Chemical bonding at the active site of lysozyme is analyzed on the basis of a multipole model employing transferable multipole parameters from a database. Large B factors at low temperatures reflect frozen-in disorder, but therefore prevent a meaningful free

  17. Sensor Technologies for a Smart Transmission System An EPRI White Paper

    Energy Savers [EERE]

    Technologies for a Smart Transmission System An EPRI White Paper December 2009 December 2009 Page 2 An EPRI White Paper Sensor Technologies for a Smart Transmission System Aging equipment and tight O&M budgets are putting the squeeze on transmission line and substation managers. A new gen- eration of low-cost sensors can help diag- nose equipment health to optimize mainte- nance and prevent catastrophic failures. Power delivery systems are among the largest and most diverse, remotely located

  18. Bradford White Corporation Ex Parte Memo re: 3-24-15 Meeting | Department

    Energy Savers [EERE]

    of Energy Bradford White Corporation Ex Parte Memo re: 3-24-15 Meeting Bradford White Corporation Ex Parte Memo re: 3-24-15 Meeting Notice of proposed rulemaking establishing a mathematical conversion factor for consumer water heaters and certain commercial water heaters, specifically: PDF icon DOE.BWC.3.24.15 More Documents & Publications Ex Parte Memo on ULE Policy Statement and Conversion Factor Rulemaking ISSUANCE 2015-03-27: Energy Conservation Program for Consumer Products and

  19. Leading the Charge: Native Leaders Give Tribes a Voice on White House

    Office of Environmental Management (EM)

    Climate Task Force | Department of Energy Native Leaders Give Tribes a Voice on White House Climate Task Force Leading the Charge: Native Leaders Give Tribes a Voice on White House Climate Task Force March 13, 2014 - 10:56am Addthis Chairwoman Karen Diver, Fond du Lac Band of Lake Superior Chippewa (MN) Chairwoman Karen Diver, Fond du Lac Band of Lake Superior Chippewa (MN) Mayor Reggie Joule, Northwest Arctic Borough (AK) Mayor Reggie Joule, Northwest Arctic Borough (AK) Chairwoman Karen

  20. Level 1 Accident Report of the March 1, 2010 Bobcat Fatality at BPA's White

    Office of Environmental Management (EM)

    Bluffs Substation | Department of Energy Report of the March 1, 2010 Bobcat Fatality at BPA's White Bluffs Substation Level 1 Accident Report of the March 1, 2010 Bobcat Fatality at BPA's White Bluffs Substation March 31, 2010 On March 2, 2010 at the request of the Bonneville Power Administration (BPA) Chief Safety Officer, a Level I Accident Investigation was convened to investigate an accident in which a supplemental labor contractor was fatally injured in a Bobcat/backhoe accident at the

  1. Deputy Secretary Sherwood-Randall's Remarks at the White House Summit on

    Office of Environmental Management (EM)

    Cybersecurity and Consumer Protection -- As Prepared | Department of Energy Sherwood-Randall's Remarks at the White House Summit on Cybersecurity and Consumer Protection -- As Prepared Deputy Secretary Sherwood-Randall's Remarks at the White House Summit on Cybersecurity and Consumer Protection -- As Prepared February 13, 2015 - 3:50pm Addthis Dr. Elizabeth Sherwood-Randall Dr. Elizabeth Sherwood-Randall Deputy Secretary of Energy Good morning, and thank you, Jeh (Johnson, Secretary of the

  2. EIS-0443: Southwest Intertie Project-South (SWIP-S), White Pine, Nye,

    Office of Environmental Management (EM)

    Lincoln, and Clark counties, NV | Department of Energy 3: Southwest Intertie Project-South (SWIP-S), White Pine, Nye, Lincoln, and Clark counties, NV EIS-0443: Southwest Intertie Project-South (SWIP-S), White Pine, Nye, Lincoln, and Clark counties, NV Documents Available for Download October 26, 2010 EIS-0443: Record of Decision Project Financing for Southwest Intertie Project - South February 19, 2010 EIS-0443: Final Environmental Impact Statement Project Financing for Southwest Intertie

  3. Radionuclide Inventory Distribution Project Data Evaluation and Verification White Paper

    SciTech Connect (OSTI)

    NSTec Environmental Restoration

    2010-05-17

    Testing of nuclear explosives caused widespread contamination of surface soils on the Nevada Test Site (NTS). Atmospheric tests produced the majority of this contamination. The Radionuclide Inventory and Distribution Program (RIDP) was developed to determine distribution and total inventory of radionuclides in surface soils at the NTS to evaluate areas that may present long-term health hazards. The RIDP achieved this objective with aerial radiological surveys, soil sample results, and in situ gamma spectroscopy. This white paper presents the justification to support the use of RIDP data as a guide for future evaluation and to support closure of Soils Sub-Project sites under the purview of the Federal Facility Agreement and Consent Order. Use of the RIDP data as part of the Data Quality Objective process is expected to provide considerable cost savings and accelerate site closures. The following steps were completed: - Summarize the RIDP data set and evaluate the quality of the data. - Determine the current uses of the RIDP data and cautions associated with its use. - Provide recommendations for enhancing data use through field verification or other methods. The data quality is sufficient to utilize RIDP data during the planning process for site investigation and closure. Project planning activities may include estimating 25-millirem per industrial access year dose rate boundaries, optimizing characterization efforts, projecting final end states, and planning remedial actions. In addition, RIDP data may be used to identify specific radionuclide distributions, and augment other non-radionuclide dose rate data. Finally, the RIDP data can be used to estimate internal and external dose rates. The data quality is sufficient to utilize RIDP data during the planning process for site investigation and closure. Project planning activities may include estimating 25-millirem per industrial access year dose rate boundaries, optimizing characterization efforts, projecting final end states, and planning remedial actions. In addition, RIDP data may be used to identify specific radionuclide distributions, and augment other non-radionuclide dose rate data. Finally, the RIDP data can be used to estimate internal and external dose rates.

  4. TOWARD A SPECTROSCOPIC CENSUS OF WHITE DWARFS WITHIN 40 pc OF THE SUN

    SciTech Connect (OSTI)

    Limoges, M.-M.; Bergeron, P.; Lepine, S. E-mail: bergeron@astro.umontreal.ca

    2013-05-15

    We present the preliminary results of a survey aimed at significantly increasing the range and completeness of the local census of spectroscopically confirmed white dwarfs. The current census of nearby white dwarfs is reasonably complete only to about 20 pc of the Sun, a volume that includes around 130 white dwarfs, a sample too small for detailed statistical analyses. This census is largely based on follow-up investigations of stars with very large proper motions. We describe here the basis of a method that will lead to a catalog of white dwarfs within 40 pc of the Sun and north of the celestial equator, thus increasing by a factor of eight the extent of the northern sky census. White dwarf candidates are identified from the SUPERBLINK proper motion database, allowing us to investigate stars down to a proper motion limit {mu} > 40 mas yr{sup -1}, while minimizing the kinematic bias for nearby objects. The selection criteria and distance estimates are based on a combination of color-magnitude and reduced proper motion diagrams. Our follow-up spectroscopic observation campaign has so far uncovered 193 new white dwarfs, among which we identify 127 DA (including 9 DA+dM and 4 magnetic), 1 DB, 56 DC, 3 DQ, and 6 DZ stars. We perform a spectroscopic analysis on a subsample of 84 DAs, and provide their atmospheric parameters. In particular, we identify 11 new white dwarfs with spectroscopic distances within 25 pc of the Sun, including five candidates to the D < 20 pc subset.

  5. Synthesis and optical properties of cadmium selenide quantum dots for white light-emitting diode application

    SciTech Connect (OSTI)

    Xu, Xianmei; Wang, Yilin; Gule, Teri; Luo, Qiang [School of Chemistry and Chemical Engineering, Guangxi University, Nanning 53000 (China); Zhou, Liya, E-mail: zhouliyatf@163.com [School of Chemistry and Chemical Engineering, Guangxi University, Nanning 53000 (China); Gong, Fuzhong [School of Chemistry and Chemical Engineering, Guangxi University, Nanning 53000 (China)

    2013-03-15

    Highlights: ? Stable CdSe QDs were synthesized by the one-step and two-level process respectively. ? The fabricated white LEDs show good white balance. ? CdSe QDs present well green to yellow band luminescence. ? CdSe QDs displayed a broad excitation band. - Abstract: Yellow light-emitting cadmium selenide quantum dots were synthesized using one-step and two-step methods in an aqueous medium. The structural luminescent properties of these quantum dots were investigated. The obtained cadmium selenide quantum dots displayed a broad excitation band suitable for blue or near-ultraviolet light-emitting diode applications. White light-emitting diodes were fabricated by coating the cadmium selenide samples onto a 460 nm-emitting indium gallium nitrite chip. Both samples exhibited good white balance. Under a 20 mA working current, the white light-emitting diode fabricated via the one-step and two-step methods showed Commission Internationale de lclairage coordinates at (0.27, 0.23) and (0.27, 0.33), respectively, and a color rendering index equal to 41 and 37, respectively. The one-step approach was simpler, greener, and more effective than the two-step approach. The one-step approach can be enhanced by combining cadmium selenide quantum dots with proper phosphors.

  6. Green Light-Emitting Diode Makes Highly Efficient White Light; The Spectrum of Clean Energy Innovation (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2010-06-01

    Fact sheet describing NREL's green light emitting diode that can lead to higher efficiency white light used in indoor lighting applications.

  7. NREL Activities to Open Capital Market Investment and Bank Lending for Solar Deployment: Presentation to the White House (Presentation)

    SciTech Connect (OSTI)

    Mendelsohn, M.; Joshi, J.

    2014-09-01

    Briefing for White House personnel and members of various agencies (HUD, USDA, etc.) on SAPC process and see what efficiencies can be brought to Federal contracting process.

  8. Development of Advanced Manufacturing Methods for Warm White LEDs for General Lighting

    SciTech Connect (OSTI)

    Deshpande, Anirudha; Kolodin, Boris; Jacob, Cherian; Chowdhury, Ashfaqul; Kuenzler, Glenn; Sater, Karen; Aesram, Danny; Glaettli, Steven; Gallagher, Brian; Langer, Paul; Setlur, Anant; Beers, Bill

    2012-03-31

    GE Lighting Solutions will develop precise and efficient manufacturing techniques for the remote phosphor platform of warm-white LED products. In volume, this will be demonstrated to drive significant materials, labor and capital productivity to achieve a maximum possible 53% reduction in overall cost. In addition, the typical total color variation for these white LEDs in production will be well within the ANSI bins and as low as a 4-step MacAdam ellipse centered on the black body curve. Achievement of both of these objectives will be demonstrated while meeting a performance target of > 75 lm/W for a warm-white LED and a reliability target of <30% lumen drop / <2-step MacAdam ellipse shift, estimated over 50,000 hrs.

  9. Feasibility of white-rot fungi for biodegradation of PCP-treated ammunition boxes. Final report

    SciTech Connect (OSTI)

    Scholze, R.J.; Lamar, R.T.; Bolduc, J.; Dietrich, D.

    1995-01-01

    Millions of pounds of wood ammunition boxes treated with the wood preservative pentachiorophenol (PCP) are being stockpiled at military installations, primarily depots, because cost-effective disposal is not readily available. The Army needs cost-effective and environmentally benign treatment methods for destruction and disposal of PCP-treated wood products. This research investigated the use of white-rot fungi to biodegrade PCP-treated wood. Results showed that white-rot fungi effectively decreased the PCP concentration in contaminated hardwood and softwood chips. Under ideal laboratory conditions the fungi reduced the PCP concentration by 80 percent; a field study showed only a 30 percent decrease in PCP concentration. Despite this disparity, this study demonstrated the feasibility of using white-rot fungi to reduce PCP in treated wood.

  10. Potential for bioremediation of xenobiotic compounds by the white-rot fungus Phanerochaete chrysosporium

    SciTech Connect (OSTI)

    Paszczynski, A.; Crawford, R.L.

    1995-07-01

    The white-rot fungi produce an unusual enzyme system, characterized by a specialized group of peroxidases, that catalyzes the degradation of the complex plant polymer lignin. This ligninolytic system shows a high degree of nonspecificity and oxidizes a very large variety of compounds in addition to lignin. Among these compounds are numerous environmental pollutants. Thus, the white-rot fungi show considerable promise as bioremediation agents for use in the restoration of environments contaminated by xenobiotic molecules. One white-rot fungus, Phanerochaete chrysosporium, has been studied in great detail with regard to ligninolytic enzymes and the degradation of anthropogenic chemicals. It has been widely promoted as a bioremediation agent. This article examines literature concerning the degradation of xenobiotic compounds by Phanerochaete chrysosporium and attempts to critically assess this organism`s real potential as a bioremediation tool. 130 refs., 5 figs.

  11. ALS Communications Group

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

    Communications Group Print From left: Ashley White, Lori Tamura, Keri Troutman, and Carina Braun. The ALS Communications staff maintain the ALS Web site; write and edit all print and electronic publications for the ALS, including Science Highlights, Science Briefs, brochures, handouts, and the monthly newsletter ALSNews; and create educational and scientific outreach materials. In addition, members of the group organize bi-monthly Science Cafés, create conference and workshop Web sites and

  12. ALS Communications Group

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

    ALS Communications Group Print From left: Ashley White, Lori Tamura, Keri Troutman, and Carina Braun. The ALS Communications staff maintain the ALS Web site; write and edit all print and electronic publications for the ALS, including Science Highlights, Science Briefs, brochures, handouts, and the monthly newsletter ALSNews; and create educational and scientific outreach materials. In addition, members of the group organize bi-monthly Science Cafés, create conference and workshop Web sites and

  13. ALS Communications Group

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

    ALS Communications Group Print From left: Ashley White, Lori Tamura, Keri Troutman, and Carina Braun. The ALS Communications staff maintain the ALS Web site; write and edit all print and electronic publications for the ALS, including Science Highlights, Science Briefs, brochures, handouts, and the monthly newsletter ALSNews; and create educational and scientific outreach materials. In addition, members of the group organize bi-monthly Science Cafés, create conference and workshop Web sites and

  14. Alumna of NREL's Teaching Program honored by White House - News Releases |

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

    NREL Alumna of NREL's Teaching Program honored by White House August 2, 2010 A high school physics teacher who spent three summers studying hydrogen fuel cells at the U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) has been named one of the math and science teachers of the year by a White House panel. Kristen Record, who teaches at Bunnell High School in Stratford, Conn., spent her summers in 2005, 2007 and 2008 at NREL in the DOE's rigorous Academies Creating

  15. High-efficiency white organic light-emitting diodes using thermally activated delayed fluorescence

    SciTech Connect (OSTI)

    Nishide, Jun-ichi; Hiraga, Yasuhide; Nakanotani, Hajime; Adachi, Chihaya

    2014-06-09

    White organic light-emitting diodes (WOLEDs) have attracted much attention recently, aimed for next-generation lighting sources because of their high potential to realize high electroluminescence efficiency, flexibility, and low-cost manufacture. Here, we demonstrate high-efficiency WOLED using red, green, and blue thermally activated delayed fluorescence materials as emissive dopants to generate white electroluminescence. The WOLED has a maximum external quantum efficiency of over 17% with Commission Internationale de l'Eclairage coordinates of (0.30, 0.38).

  16. An Update on White House Solar Panels and Our Solar Program | Department of

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

    Energy White House Solar Panels and Our Solar Program An Update on White House Solar Panels and Our Solar Program June 20, 2011 - 6:11pm Addthis Ramamoorthy Ramesh Former Director, SunShot Initiative & Solar Energy Technologies Program We cannot win the future without winning the clean energy race, which is why President Obama laid out a clear goal to increase our nation's clean energy share and continue to build a 21st century clean energy economy. Last fall, to underscore the Obama

  17. ORISE: The Value of Independence, a white paper on DOE Order 458.1

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

    The Value of Independence ORISE white paper explains how DOE Order 458.1 brings independent verification to the forefront of D&D projects With the release of DOE Order 458.1 in February 2011, the U.S. Department of Energy has made independent verification an official requirement for contractors involved in decontamination and decommissioning (D&D) projects at former nuclear sites operated by DOE. In the white paper The Value of Independence (PDF, 500KB), ORISE provides more background on

  18. ScienceEducation.gov Featured on the new White House Innovation Gallery

    Broader source: Energy.gov [DOE]

    The White House recently posted ScienceEducation.gov (beta version) to its Innovations Gallery – a part of the White House Open Government Initiative. The Innovations Gallery celebrates the innovations that advance the President’s commitment to a more open and effective government. At the Innovations Gallery, the public can browse new ways in which agencies across the Executive branch are promoting transparency, participation, and collaboration to achieve their mission. ScienceEducation.gov has been identified by OSTP as a new way of championing open government.

  19. Española students invited to White House Science Fair

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

    Española students Community Connections: Your link to news and opportunities from Los Alamos National Laboratory Latest Issue:Mar. 2016 all issues All Issues » submit Española students invited to White House Science Fair Team selected from among 40,000 competitors May 1, 2015 Sixth-graders Casandra Dauz, José Valdez and Jaleena Rolon (left to right) with astronaut Leland Melvin at the 2015 White House Science Fair. Sixth-graders Casandra Dauz, José Valdez and Jaleena Rolon (left to right)

  20. Bioremediation with white rot fungus. (Latest citations from Pollution Abstracts database). Published Search

    SciTech Connect (OSTI)

    Not Available

    1993-10-01

    The bibliography contains citations concerning the use of white rot fungus to degrade a variety of hazardous materials. The citations examine the application of the fungus to the remediation of petroleum hydrocarbons, polychlorinated biphenyls, 2,4,6-trinitrotoluene (TNT), pentachlorophenol, herbicides, insecticides, and other environmentally persistent organic compounds. The results of laboratory and field studies are presented. The use of white rot fungus in biological pulping and delignification is also discussed. (Contains a minimum of 50 citations and includes a subject term index and title list.)

  1. FEMP Assists White House in Setting GHG Reduction Target for Federal

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

    Government | Department of Energy Assists White House in Setting GHG Reduction Target for Federal Government FEMP Assists White House in Setting GHG Reduction Target for Federal Government July 21, 2015 - 12:02pm Addthis The photovoltaic array on top of the U.S. Department of Energy headquarters. (Photo Credit: U.S. Department of Energy) The photovoltaic array on top of the U.S. Department of Energy headquarters. (Photo Credit: U.S. Department of Energy) Earlier this year, EERE's Federal

  2. Microsoft Word - Comments received at White Rock Scoping Mtg.doc

    National Nuclear Security Administration (NNSA)

    CMRR-NF Supplemental EIS Scoping Meeting October 19, 2010 / White Rock Town Hall, White Rock, NM Written Comments (transcribed) 061 Joni Arends The meeting format does not work. One of the purposes of the scoping meeting is for the public to hear the concerns of other community members. The people of N. NM have a strong oral tradition where people learn by listening to others. We request a "classroom" type format, such as that used during the draft document hearing process. A format

  3. EERE Success Story-FEMP Assists White House in Setting GHG Reduction

    Office of Environmental Management (EM)

    Target for Federal Government | Department of Energy Assists White House in Setting GHG Reduction Target for Federal Government EERE Success Story-FEMP Assists White House in Setting GHG Reduction Target for Federal Government July 21, 2015 - 12:02pm Addthis The photovoltaic array on top of the U.S. Department of Energy headquarters. (Photo Credit: U.S. Department of Energy) The photovoltaic array on top of the U.S. Department of Energy headquarters. (Photo Credit: U.S. Department of Energy)

  4. EM Employees Draw Attention to Food Drive with Red, White and Blue Display

    Office of Environmental Management (EM)

    | Department of Energy Employees Draw Attention to Food Drive with Red, White and Blue Display EM Employees Draw Attention to Food Drive with Red, White and Blue Display July 29, 2014 - 12:00pm Addthis Pictured from left to right in front of the Paducah site’s American Flag display are Mark Duff (LATA Environmental Services of Kentucky, LLC), Christa Dailey (Pro2Serve), Jennifer Woodard (EM Site Lead), and Kelly Layne (LATA KY). Pictured from left to right in front of the Paducah site's

  5. White Sturgeon Mitigation and Restoration in the Columbia and Snake Rivers Upstream from Bonneville Dam; 2001-2002 Annual Report.

    SciTech Connect (OSTI)

    Ward, David L.; Kern, J. Chris; Hughes, Michele L.

    2003-12-01

    We report on our progress from April 2001 through March 2002 on determining the effects of mitigative measures on productivity of white sturgeon populations in the Columbia River downstream from McNary Dam, and on determining the status and habitat requirements of white sturgeon populations in the Columbia and Snake rivers upstream from McNary Dam.

  6. White Sturgeon Mitigation and Restoration in the Columbia and Snake Rivers Upstream from Bonneville Dam; 2002-2003 Annual Report.

    SciTech Connect (OSTI)

    Ward, David L.; Kern, J. Chris; Hughes, Michele L.

    2004-02-01

    We report on our progress from April 2002 through March 2003 on determining the effects of mitigative measures on productivity of white sturgeon populations in the Columbia River downstream from McNary Dam, and on determining the status and habitat requirements of white sturgeon populations in the Columbia and Snake rivers upstream from McNary Dam.

  7. White light emitting Ho{sup 3+}-doped CdS nanocrystal ingrained glass nanocomposites

    SciTech Connect (OSTI)

    Dey, Chirantan; Karmakar, Basudeb; Goswami, Madhumita

    2015-02-23

    We report the generation of white light from Ho{sup 3+} ion doped CdS nanocrystal ingrained borosilicate glass nanocomposites prepared by the conventional melt-quench method. Near visible 405?nm diode laser excited white light emission is produced by tuning the blue emission from the Ho{sup 3+} ions, green band edge, and orange-red surface-state emissions of the nanocrystalline CdS, which are further controlled by the size of the nanocrystals. The absorption and emission spectra evidenced the excitation of Ho{sup 3+} ions by absorption of photons emitted by the CdS nanocrystals. The high color rendering index (CRI?=?8489) and befitting chromaticity coordinates (x?=?0.3080.309, y?=?0.3260.338) of white light emission, near visible harmless excitation wavelength (405?nm), and high absorbance values at excitation wavelength point out that these glass nanocomposites may serve as a prominent candidate for resin free high power white light emitting diodes.

  8. Next Generation Nuclear Plant Structures, Systems, and Components Safety Classification White Paper

    SciTech Connect (OSTI)

    Pete Jordan

    2010-09-01

    This white paper outlines the relevant regulatory policy and guidance for a risk-informed approach for establishing the safety classification of Structures, Systems, and Components (SSCs) for the Next Generation Nuclear Plant and sets forth certain facts for review and discussion in order facilitate an effective submittal leading to an NGNP Combined Operating License application under 10 CFR 52.

  9. Celebrating Women's History Month with the White House Council on Women and Girls

    Broader source: Energy.gov [DOE]

    This March for Women's History Month, the White House is posting a series of blogs from heads of our country's federal agencies, celebrating successes over the last year and pushing for more. Read the other agency blogs at http://www.whitehouse.gov/administration/eop/cwg/blog

  10. Stacked white OLED having separate red, green and blue sub-elements

    SciTech Connect (OSTI)

    Forrest, Stephen; Qi, Xiangfei; Slootsky, Michael

    2015-06-23

    The present invention relates to efficient organic light emitting devices (OLEDs). More specifically, the present invention relates to white-emitting OLEDs, or WOLEDs. The devices of the present invention employ three emissive sub-elements, typically emitting red, green and blue, to sufficiently cover the visible spectrum. The sub-elements are separated by charge generating layers.

  11. High-Efficiency and Stable White Organic Light-Emitting Diode Using a Single Emitter

    Broader source: Energy.gov [DOE]

    This project is demonstrating an efficient and stable white organic light-emitting diode (WOLED) using a single emitter on a planar glass substrate. Current WOLED technology requires the use of multiple emissive materials, which are expensive to manufacture and also generate color instability and color aging issues, affecting WOLED performance and operational lifetime.

  12. Cree's High-Power White LED Delivers 121 lm/W

    Broader source: Energy.gov [DOE]

    Cree's commercial high-power white LEDs can now deliver 121 lm/W at 35A/cm2 current density. These particular Cree XLamp® XP-G LEDs deliver 267 lumens at a drive current of 700 mA and an operating...

  13. Sonoma County Regional Climate Protection Authority A White House Climate Action Champions Case Study

    Energy Savers [EERE]

    Sonoma County Regional Climate Protection Authority A White House Climate Action Champions Case Study INDEX Executive Summary..............................x Climate Action Champion...................x Project Spotlight...............................x-x Co-benefits...........................................x Challenges and lessons learned.........x Resources & Contacts..........................x 2 Executive Summary The communities of Sonoma County are employing regional collaboration,

  14. Southeast Florida Regional Climate Change Compact A White House Climate Action Champions Case Study

    Energy Savers [EERE]

    Southeast Florida Regional Climate Change Compact A White House Climate Action Champions Case Study INDEX Executive Summary..............................2 Climate Action Champion...................2 Project Spotlight...............................2-4 Co-benefits...........................................4 Challenges and lessons learned.........5 Resources & Contacts......................5-6 2 Executive Summary The Southeast Florida Regional Climate Change Compact, a collaboration among the

  15. Salt Lake City, Utah A White House Climate Action Champions Case Study

    Energy Savers [EERE]

    Salt Lake City, Utah A White House Climate Action Champions Case Study INDEX Executive Summary.............................. 2 Climate Action Champion.................... 2 Project Spotlight.................................... 3 Challenges and lessons learned.......... 4 Resources & Contacts........................... 5 2 Executive Summary Salt Lake City has a robust set of ambitious climate goals that target reducing emissions while simultaneously prioritizing ways to become more resilient

  16. White House Announces New Executive Order To Reduce Greenhouse Gas Emissions in the Federal Government

    Broader source: Energy.gov [DOE]

    The White House today announced that President Obama will issue a new executive order that will cut the federal government's greenhouse gas emissions 40% over the next decade (from 2008 levels) and increase the share of electricity the federal government consumes from renewable sources to 30%.

  17. Precise atmospheric parameters for the shortest-period binary white dwarfs: gravitational waves, metals, and pulsations

    SciTech Connect (OSTI)

    Gianninas, A.; Kilic, Mukremin; Dufour, P.; Bergeron, P.; Brown, Warren R.; Hermes, J. J.

    2014-10-10

    We present a detailed spectroscopic analysis of 61 low-mass white dwarfs and provide precise atmospheric parameters, masses, and updated binary system parameters based on our new model atmosphere grids and the most recent evolutionary model calculations. For the first time, we measure systematic abundances of He, Ca, and Mg for metal-rich, extremely low mass white dwarfs and examine the distribution of these abundances as a function of effective temperature and mass. Based on our preliminary results, we discuss the possibility that shell flashes may be responsible for the presence of the observed He and metals. We compare stellar radii derived from our spectroscopic analysis to model-independent measurements and find good agreement except for white dwarfs with T {sub eff} ? 10,000 K. We also calculate the expected gravitational wave strain for each system and discuss their significance to the eLISA space-borne gravitational wave observatory. Finally, we provide an update on the instability strip of extremely low mass white dwarf pulsators.

  18. Microsoft PowerPoint - Highlights of the Industry Working Group_Jessica White-Horton

    National Nuclear Security Administration (NNSA)

    Highlights of the Industry Working Group on the Global Cylinder Identification and Monitoring System (GCIMS) Jessica White-Horton Oak Ridge National Laboratory GCIMS Overview  Nonproliferation Objectives - Enhance the IAEA's capability to detect: * Diversion of declared cylinders * Misuse of declared cylinders and * Undeclared production scenarios involving undeclared cylinders - Significantly shorten the time to reconcile shipments between countries - Provide a capability to shorten

  19. Meso-scale cooling effects of high albedo surfaces: Analysis of meteorological data from White Sands National Monument and White Sands Missile Range

    SciTech Connect (OSTI)

    Fishman, B.; Taha, H.; Akbari, H.

    1994-05-20

    Urban summer daytime temperatures often exceed those of the surrounding rural areas. Summer ``urban heat islands`` are caused by dark roofs and paved surfaces as well as the lack of vegetation. Researchers at Lawrence Berkeley Laboratory are interested in studying the effects of increasing the albedo of roof tops and paved surfaces in order to reduce the impacts of summer urban heat islands. Increasing the albedo of urban surfaces may reduce this heat island effect in two ways, directly and indirectly. The direct effect involves reducing surface temperature and, therefore, heat conduction through the building envelope. This effect of surface albedo on surface temperatures is better understood and has been quantified in several studies. The indirect effect is the impact of high albedo surfaces on the near surface air temperatures. Although the indirect effect has been modeled for the Los Angeles basin by Sailor, direct field observations are required. The objective of this report is to investigate the meso-scale climate of a large high albedo area and identify the effects of albedo on the near surface air temperature. To accomplish this task, data from several surface weather stations at White Sands, New Mexico were analyzed. This report is organized into six sections in addition to this introduction. The first gives the general geological, topographic, and meteorological background of White Sands. The second is a discussion of the basic surface meteorology of the White Sands region. This section is followed by a general discussion of the instrumentation and available data. The fourth section is a description of the method used for data analyis. The fifth section which presents the results of this analysis. Finally, the last section is the summary and conclusion, where a discussion of the results is presented.

  20. Maximum mass of stable magnetized highly super-Chandrasekhar white dwarfs: stable solutions with varying magnetic fields

    SciTech Connect (OSTI)

    Das, Upasana; Mukhopadhyay, Banibrata E-mail: bm@physics.iisc.ernet.in

    2014-06-01

    We address the issue of stability of recently proposed significantly super-Chandrasekhar white dwarfs. We present stable solutions of magnetostatic equilibrium models for super-Chandrasekhar white dwarfs pertaining to various magnetic field profiles. This has been obtained by self-consistently including the effects of the magnetic pressure gradient and total magnetic density in a general relativistic framework. We estimate that the maximum stable mass of magnetized white dwarfs could be more than 3 solar mass. This is very useful to explain peculiar, overluminous type Ia supernovae which do not conform to the traditional Chandrasekhar mass-limit.

  1. Discovery of a new class of coronal structures in white light eclipse images

    SciTech Connect (OSTI)

    Druckmller, Miloslav; Habbal, Shadia Rifai; Morgan, Huw

    2014-04-10

    White light images of the solar corona, taken during total solar eclipses, capture the complex dynamic relationship between the coronal plasma and the magnetic field. This relationship can be recorded on timescales of seconds to minutes, within a few solar radii above the solar surface. Rays, large-scale loops, and streamers, which are the brightest structures in these images, have shaped current models of the coronal magnetic field and solar wind flow. We show in this work how the application of novel image processing techniques to unique high-resolution white light eclipse images reveals the presence of a new class of structures, reminiscent of smoke rings, faint nested expanding loops, expanding bubbles, and twisted helical structures. These features are interpreted as snapshots of the dynamical evolution of instabilities developing at prominence-corona interfaces and propagating outward with the solar wind.

  2. White light emission from silicon oxycarbide films prepared by using atmospheric pressure microplasma jet

    SciTech Connect (OSTI)

    Ding Yi; Shirai, Hajime

    2009-02-15

    An atmospheric pressure microplasma jet was employed as a deposition tool to fabricate silicon oxycarbide films from tetraethoxysilane-argon (Ar) mixture gas at room temperature. Resultant films exhibit intense visible emission under a 325 nm excitation which appears white to naked eyes in the range from {approx}1.75 to {approx}3.5 eV at room temperature. The origin of photoluminescence is attributed to the electron-hole pair recombination through neutral oxygen vacancies (NOVs) in the film. The density of NOV defects was found in the range from 3.48x10{sup 15} to 2.23x10{sup 16} cm{sup -3}. The photoluminescence quantum efficiencies were estimated to be 1.48%-4.15%. Present experiment results demonstrate that the silicon oxycarbide films prepared by using atmospheric pressure microplasma jet would be a competitive candidate for the development of white light emission devices.

  3. Assessing the Performance of 5mm White LED Light Sources forDeveloping-Country Applications

    SciTech Connect (OSTI)

    Mills, Evan

    2007-05-03

    Some white light-emitting diode (LED) light sources haverecently attained levels of efficiency and cost that allow them tocompete with fluorescent lighting for off-grid applications in thedeveloping world. Additional attributes (optics, size, ruggedness, andservice life) make them potentially superior products. Enormousreductions in energy use and greenhouse-gas emissions are thus possible,and system costs can be much lower given the ability to downsize thecharging and energy storage components compared to a fluorescentstrategy. However, there is a high risk of "market-spoiling" if inferiorproducts are introduced and result in user dissatisfaction. Completesystems involve the integration of light sources and optics, energysupply, and energy storage. A natural starting point for evaluatingproduct quality is to focus on the individual light sources. This reportdescribes testing results for batches of 10 5mm white LEDs from 26manufacturers. Efficacies and color properties are presented.

  4. Hydrogen atom donor compounds as contrast enhancers for black-and-white photothermographic and thermographic elements

    DOE Patents [OSTI]

    Harring, Lori S. (Hudson, WI); Simpson, Sharon M. (Lake Elmo, MN); Sansbury, Francis H. (Sawbridgeworth, GB2)

    1997-01-01

    Hydrogen atom donor compounds are useful as contrast enhancers when used in combination with (i) hindered phenol developers, and (ii) trityl hydrazide and/or formyl-phenyl hydrazine co-developers, to produce ultra-high contrast black-and-white photothermographic and thermographic elements. The photothermographic and thermographic elements may be used as a photomask in a process where there is a subsequent exposure of an ultraviolet or short wavelength visible radiation-sensitive imageable medium.

  5. WhiteOptics' Low-Cost Reflector Composite Boosts LED Fixture Efficiency

    Broader source: Energy.gov [DOE]

    With the help of DOE funding, WhiteOptics has developed a composite coating that can be used to improve efficiency in backlit, indirect, and cavity-mixing LED luminaire designs by maximizing light reflection and output. The highly diffuse coating, which is based on a novel high-reflectance particle technology, allows for uniform distribution of light without exaggerating the point-source nature of the LEDs, and is intended to offer an overall system cost-improving solution for LED optics.

  6. White House: D'Agostino To Remain as NNSA Administrator | Department of

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

    Energy House: D'Agostino To Remain as NNSA Administrator White House: D'Agostino To Remain as NNSA Administrator September 3, 2009 - 12:00am Addthis WASHINGTON, DC - Today, President Barack Obama announced that Thomas Paul D'Agostino, Under Secretary for Nuclear Security of the Department of Energy and Administrator for Nuclear Security of the National Nuclear Security Administration, will continue serving in his current role. The following is a quote from the President included in today's

  7. Philips Lumileds Achieves 139 lm/W in a Neutral White LED

    Broader source: Energy.gov [DOE]

    Philips Lumileds' LUXEON Rebel LED can now deliver 139 lm/W in a neutral white LED. The top bin LED, developed with a single InGaN die and phosphor conversion, shows high-performance characteristics up to 139 lm/W and 138 lumens at 350 mA, with a forward voltage of 2.83 V. The CCT of the device is 5385K and the CRI is 70.

  8. Assessment of the SRI Gasification Process for Syngas Generation with HTGR Integration -- White Paper

    SciTech Connect (OSTI)

    A.M. Gandrik

    2012-04-01

    This white paper is intended to compare the technical and economic feasibility of syngas generation using the SRI gasification process coupled to several high-temperature gas-cooled reactors (HTGRs) with more traditional HTGR-integrated syngas generation techniques, including: (1) Gasification with high-temperature steam electrolysis (HTSE); (2) Steam methane reforming (SMR); and (3) Gasification with SMR with and without CO2 sequestration.

  9. Microsoft Word - 2015 12.7 WTP Communications Approach White Paper DRAFT.docx

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

    Waste Treatment and Immobilization Plant (WTP) Communications Approach Draft White Paper - last revised 12/4/15 Issue Managers: Suyama, Mattson, Niles, Hudson, Leckband Summary The Hanford Advisory Board, following discussions conducted by the Board's Tank Waste and Public Involvement and Communication committees with the U.S. Department of Energy (DOE) Office of River Protection (ORP), prepared an assessment and recommendations for a communications approach regarding the High Level Waste (HLW)

  10. Sandia's Greg White chosen as a New Face of Engineering 2014 | National

    National Nuclear Security Administration (NNSA)

    Nuclear Security Administration Greg White chosen as a New Face of Engineering 2014 | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Countering Nuclear Terrorism About Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Library Bios Congressional Testimony Fact Sheets Newsletters Press

  11. White House Blog Post on the President's "Better Buildings Initiative" |

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

    Department of Energy In case you missed it, below is a summary on the White House blog of President Obama's major announcement yesterday on building efficiency. The "Better Buildings" initiative aims to achieve a 20 percent improvement in commercial energy efficiency by 2020, reduce companies' and business owners' energy bills by about $40 billion per year, and save energy by reforming outdated incentives and challenging the private sector to act. WASHINGTON - Today, the Deputy

  12. White luminescence from CdS nanocrystals under the blue light excitation

    SciTech Connect (OSTI)

    Li, Bo; Zhang, Xiaosong Li, Lan; Li, Mengzhen; Xu, Jianping; Hong, Yuan

    2014-06-01

    Trap-rich CdS nanocrystals were synthesized by employing CdSt{sub 2} and sulfur as precursors via thermal decomposition. Furthermore, X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), absorption and photoluminescence (PL) spectra were used to characterize structure, morphology and luminescence properties of CdS nanocrystals (NCs). CdS NCs have a broad emission across 500–700 nm under the excitation of blue light with 460 nm, consequently, white light can be produced by mixing broad emission from CdS NCs excited by blue light, with the remaining blue light. In addition, the broad emission generation is closely and inseparably related to surface defects. Moreover, LaMer model was used to explain the phenomenon that the intensity of the trap emission gradually decreases as the reaction time increases in contrast with that of the band-edge emission. - Graphical abstract: Trap-rich CdS nanocrystals were synthesized. Furthermore, white light is produced by mixing broad emission across 500–700 nm from CdS NCs excited by blue light, in combination with the remaining blue light. - Highlights: • Trap-rich CdS nanocrystals were synthesized. • CdS NCs have a broad emission across 500–700 nm under the excitation of blue light. • White light can be produced by mixing broad emission with the remaining blue light.

  13. The initiation and propagation of helium detonations in white dwarf envelopes

    SciTech Connect (OSTI)

    Shen, Ken J. [Department of Astronomy and Theoretical Astrophysics Center, University of California, Berkeley, CA 94720 (United States); Moore, Kevin, E-mail: kenshen@astro.berkeley.edu [Department of Applied Mathematics and Statistics, University of California, Santa Cruz, CA 95064 (United States)

    2014-12-10

    Detonations in helium-rich envelopes surrounding white dwarfs have garnered attention as triggers of faint thermonuclear '.Ia' supernovae and double detonation Type Ia supernovae. However, recent studies have found that the minimum size of a hotspot that can lead to a helium detonation is comparable to, or even larger than, the white dwarf's pressure scale height, casting doubt on the successful ignition of helium detonations in these systems. In this paper, we examine the previously neglected effects of C/O pollution and a full nuclear reaction network, and we consider hotspots with spatially constant pressure in addition to constant density hotspots. We find that the inclusion of these effects significantly decreases the minimum hotspot size for helium-rich detonation ignition, making detonations far more plausible during turbulent shell convection or during double white dwarf mergers. The increase in burning rate also decreases the minimum shell mass in which a helium detonation can successfully propagate and alters the composition of the shell's burning products. The ashes of these low-mass shells consist primarily of silicon, calcium, and unburned helium and metals and may explain the high-velocity spectral features observed in most Type Ia supernovae.

  14. Relation between combustion heat and chemical wood composition during white and brown rot

    SciTech Connect (OSTI)

    Dobry, J.; Dziurzynski, A.; Rypacek, V.

    1986-01-01

    Samples of beech and spruce wood were incubated with the white rot fungi Pleurotus ostreatus and Lentinus tigrinus and the brown rot fungi Fomitopsis pinicola and Serpula lacrymans (S. lacrimans) for four months. Decomposition (expressed as percent weight loss) and amounts of holocellulose, lignin, humic acids (HU), hymatomelanic acids (HY) and fulvo acids (FU) were determined and expressed in weight percent. Combustion heat of holocellulose and lignin was determined in healthy wood and in specimens where decomposition was greater than 50%. During white rot decomposition, combustion heat was unchanged even at high decomposition and the relative amounts of holocellulose and lignin remained the same. Total amounts of HU, HY and FU increased during the initial stages and stabilized at 20%. The content of HU plus HY was negligible even at the highest degree of decomposition. During brown rot decomposition, combustion heat was unchanged only in the initial stages, it increased continously with increasing rot. Lignin content was unchanged in the initial stages and increased after 30% weight loss. Total amounts of HU, HY and FU increased continuously, reaching higher values than in white rot decomposition; there were differences between the two species. Biosynthesis of HU plus HY began when weight loss reached 30%; there were differences in absolute and relative amounts between species. 24 references.

  15. Deputy Secretary Elizabeth Sherwood-Randall Discusses Importance of Public-Private Partnerships at White House Cybersecurity Summit

    Broader source: Energy.gov [DOE]

    Today, Deputy Secretary of Energy Elizabeth Sherwood-Randall participated in a panel discussion on the “Public-Private Collaboration on Cybersecurity” as part of the White House Summit on Cybersecurity and Consumer Protection keynoted by President Obama.

  16. White House Council of Economic Advisers and Energy Department Release New Report on Resiliency of Electric Grid During Natural Disasters

    Broader source: Energy.gov [DOE]

    The White House Council of Economic Advisers and the U.S. Department of Energy today released a new report that assesses how to best protect the nation’s electric grid from power outages that occur during natural disasters.

  17. Safety Culture at the WTP White Paper: Potential Attachment for Advice on Waste Treatment Plant Safety Culture

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

    29/2011 Page 1 of 6 Safety Culture at the WTP White Paper: Potential Attachment for Advice on Waste Treatment Plant Safety Culture Introduction This white paper provides context for the Hanford Advisory Board's (HAB) concerns regarding safety culture at the Waste Treatment Plant (WTP). This document is intended to clarify terminology associated with "safety culture" and to provide background about its conception, application, and development. The HAB has advised that a rigorous safety

  18. A POSSIBLE EVOLUTIONARY SCENARIO OF HIGHLY MAGNETIZED SUPER-CHANDRASEKHAR WHITE DWARFS: PROGENITORS OF PECULIAR TYPE Ia SUPERNOVAE

    SciTech Connect (OSTI)

    Das, Upasana; Mukhopadhyay, Banibrata; Rao, A. R. E-mail: bm@physics.iisc.ernet.in

    2013-04-10

    Several recently discovered peculiar Type Ia supernovae seem to demand an altogether new formation theory that might help explain the puzzling dissimilarities between them and the standard Type Ia supernovae. The most striking aspect of the observational analysis is the necessity of invoking super-Chandrasekhar white dwarfs having masses {approx}2.1-2.8 M{sub Sun }, M{sub Sun} being the mass of Sun, as their most probable progenitors. Strongly magnetized white dwarfs having super-Chandrasekhar masses have already been established as potential candidates for the progenitors of peculiar Type Ia supernovae. Owing to the Landau quantization of the underlying electron degenerate gas, theoretical results yielded the observationally inferred mass range. Here, we sketch a possible evolutionary scenario by which super-Chandrasekhar white dwarfs could be formed by accretion on to a commonly observed magnetized white dwarf, invoking the phenomenon of flux freezing. This opens multiple possible evolution scenarios ending in supernova explosions of super-Chandrasekhar white dwarfs having masses within the range stated above. We point out that our proposal has observational support, such as the recent discovery of a large number of magnetized white dwarfs by the Sloan Digital Sky Survey.

  19. Lake Roosevelt White Sturgeon Recovery Project : Annual Progress Report, January 2003 March 2004.

    SciTech Connect (OSTI)

    Howell, Matthew D.; McLellan, Jason G.

    2009-07-15

    This report summarizes catch data collected from white sturgeon Acipenser transmontanus in Lake Roosevelt during limited setlining and gill netting activities in the fall of 2003, and documents progress toward development of a U.S. white sturgeon conservation aquaculture program for Lake Roosevelt. From 27-30 October, 42 overnight small mesh gill net sets were made between Marcus and Northport, WA for a total catch of 15 juvenile white sturgeon (275-488 mm FL). All sturgeon captured were of Canadian hatchery origin. These fish had been previously released as sub-yearlings into the Canadian portion (Keenleyside Reach) of the Transboundary Reach of the Columbia River during 2002 and 2003. Most sturgeon (n=14) were caught in the most upstream area sampled (Northport) in low velocity eddy areas. Five fish exhibited pectoral fin deformities (curled or stunted). Growth rates were less than for juvenile sturgeon captured in the Keenleyside Reach but condition factor was similar. Condition factor was also similar to that observed in juvenile sturgeon (ages 1-8) captured in the unimpounded Columbia River below Bonneville Dam between 1987-92. From 10-14 November, 28 overnight setline sets were made in the Roosevelt Reach between the confluence of the Spokane River and Marcus Island for a total catch of 17 white sturgeon (94-213 cm FL). Catch was greatest in the most upstream areas sampled, a distribution similar to that observed during a WDFW setline survey in Lake Roosevelt in 1998. The mean W{sub r} index of 110% for fish captured this year was higher than the mean W{sub r} of 91% for fish captured in 1998. Excellent fish condition hindered surgical examination of gonads as lipid deposits made the ventral body wall very thick and difficult to penetrate with available otoscope specula. Acoustic tags (Vemco model V16 coded pingers, 69 kHz, 48-month life expectancy) were internally applied to 15 fish for subsequent telemetry investigations of seasonal and reproductively motivated movements. In August 2003, three Vemco VR2 fixed station acoustic receivers, supplied by the UCWSRI Transboundary Telemetry Project, were deployed in the vicinities of Kettle Falls Bridge, Marcus Island, and Northport, WA. Data downloaded from these receivers through December 2003 confirmed the findings of a previous telemetry study that the Marcus area is an important overwintering habitat for white sturgeon. On 18 February 2004, juvenile white sturgeon (n=2,000) were transported from Kootenay Sturgeon Hatchery in British Columbia to WDFW Columbia Basin Hatchery (CBH) in Moses Lake, WA. Fish were reared at CBH to approximately 30 g and individually outfitted with PIT tags and scute marked. On 11 May 2004, fish were released into Lake Roosevelt in the vicinities of Kettle Falls Bridge, North Gorge, and Northport.

  20. CALIBRATION OF THE MIXING-LENGTH THEORY FOR CONVECTIVE WHITE DWARF ENVELOPES

    SciTech Connect (OSTI)

    Tremblay, P.-E.; Ludwig, H.-G.; Freytag, B.; Fontaine, G.; Brassard, P.; Steffen, M.

    2015-02-01

    A calibration of the mixing-length parameter in the local mixing-length theory (MLT) is presented for the lower part of the convection zone in pure-hydrogen-atmosphere white dwarfs. The parameterization is performed from a comparison of three-dimensional (3D) CO5BOLD simulations with a grid of one-dimensional (1D) envelopes with a varying mixing-length parameter. In many instances, the 3D simulations are restricted to the upper part of the convection zone. The hydrodynamical calculations suggest, in those cases, that the entropy of the upflows does not change significantly from the bottom of the convection zone to regions immediately below the photosphere. We rely on this asymptotic entropy value, characteristic of the deep and adiabatically stratified layers, to calibrate 1D envelopes. The calibration encompasses the convective hydrogen-line (DA) white dwarfs in the effective temperature range 6000 ≤ T {sub eff} (K) ≤15, 000 and the surface gravity range 7.0 ≤ log g ≤ 9.0. It is established that the local MLT is unable to reproduce simultaneously the thermodynamical, flux, and dynamical properties of the 3D simulations. We therefore propose three different parameterizations for these quantities. The resulting calibration can be applied to structure and envelope calculations, in particular for pulsation, chemical diffusion, and convective mixing studies. On the other hand, convection has no effect on the white dwarf cooling rates until there is a convective coupling with the degenerate core below T {sub eff} ∼ 5000 K. In this regime, the 1D structures are insensitive to the MLT parameterization and converge to the mean 3D results, hence they remain fully appropriate for age determinations.

  1. An independent limit on the axion mass from the variable white dwarf star R548

    SciTech Connect (OSTI)

    Crsico, A.H.; Althaus, L.G. [Facultad de Ciencias Astronmicas y Geofsicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, (1900) La Plata (Argentina); Romero, A.D.; Kepler, S.O. [Departamento de Astronomia, Universidade Federal do Rio Grande do Sul, Av. Bento Goncalves 9500, Porto Alegre 91501-970, RS (Brazil); Mukadam, A.S. [Department of Astronomy, University of Washington, Seattle, WA 98195-1580 (United States); Garca-Berro, E. [Departament de Fsica Aplicada, Universitat Politcnica de Catalunya, c/Esteve Terrades 5, 08860 Castelldefels (Spain); Isern, J. [Institut de Cincies de l'Espai (CSIC), Campus UAB, 08193 Bellaterra (Spain); Corti, M.A., E-mail: acorsico@fcaglp.unlp.edu.ar, E-mail: althaus@fcaglp.unlp.edu.ar, E-mail: aromero@fcaglp.unlp.edu.ar, E-mail: anjum@astro.washington.edu, E-mail: enrique.garcia-berro@upc.edu, E-mail: isern@ice.cat, E-mail: kepler@if.ufrgs.br, E-mail: mariela@fcaglp.fcaglp.unlp.edu.ar [Instituto Argentino de Radioastronoma (CCT-La Plata, CONICET), C.C. No. 5, 1894 Villa Elisa (Argentina)

    2012-12-01

    Pulsating white dwarfs with hydrogen-rich atmospheres, also known as DAV stars, can be used as astrophysical laboratories to constrain the properties of fundamental particles like axions. Comparing the measured cooling rates of these stars with the expected values from theoretical models allows us to search for sources of additional cooling due to the emission of weakly interacting particles. In this paper, we present an independent inference of the mass of the axion using the recent determination of the evolutionary cooling rate of R548, the DAV class prototype. We employ a state-of-the-art code which allows us to perform a detailed asteroseismological fit based on fully evolutionary sequences. Stellar cooling is the solely responsible of the rates of change of period with time (.?)) for the DAV class. Thus, the inclusion of axion emission in these sequences notably influences the evolutionary timescales, and also the expected pulsational properties of the DAV stars. This allows us to compare the theoretical .?) values to the corresponding empirical rate of change of period with time of R548 to discern the presence of axion cooling. We found that if the dominant period at 213.13 s in R548 is associated with a pulsation mode trapped in the hydrogen envelope, our models indicate the existence of additional cooling in this pulsating white dwarf, consistent with axions of mass m{sub a}cos {sup 2}? ? 17.1 meV at a 2? confidence level. This determination is in agreement with the value inferred from another well-studied DAV, G117-B15A. We now have two independent and consistent estimates of the mass of the axion obtained from DAVs, although additional studies of other pulsating white dwarfs are needed to confirm this value of the axion mass.

  2. Revisiting the axion bounds from the Galactic white dwarf luminosity function

    SciTech Connect (OSTI)

    Bertolami, M.M. Miller [Max-Planck-Institut fr Astrophysik, Karl-Schwarzschild-Str. 1, 85748, Garching (Germany); Melendez, B.E.; Althaus, L.G. [Instituto de Astrofsica de La Plata, UNLP-CONICET, Paseo del Bosque s/n, 1900 La Plata (Argentina); Isern, J., E-mail: marcelo@MPA-Garching.MPG.DE, E-mail: brenmele@gmail.com, E-mail: althaus@fcaglp.fcaglp.unlp.edu.ar, E-mail: isern@ieec.cat [Institut de Cincies de l'Espai (CSIC), Facultat de Cincies, Campus UAB, Torre C5-parell, 08193 Bellaterra (Spain)

    2014-10-01

    It has been shown that the shape of the luminosity function of white dwarfs (WDLF) is a powerful tool to check for the possible existence of DFSZ-axions, a proposed but not yet detected type of weakly interacting particles. With the aim of deriving new constraints on the axion mass, we compute in this paper new theoretical WDLFs on the basis of WD evolving models that incorporate the feedback of axions on the thermal structure of the white dwarf. We find that the impact of the axion emission into the neutrino emission can not be neglected at high luminosities M{sub Bol}?<8) and that the axion emission needs to be incorporated self-consistently into the evolution of the white dwarfs when dealing with axion masses larger than m{sub a} cos {sup 2}??>5 meV (i.e. axion-electron coupling constant g{sub ae}?>1.4נ10{sup -13}). We went beyond previous works by including 5 different derivations of the WDLF in our analysis. Then we have performed ?{sup 2}-tests to have a quantitative measure of the agreement between the theoretical WDLFs computed under the assumptions of different axion masses and normalization methods --- and the observed WDLFs of the Galactic disk. While all the WDLF studied in this work disfavour axion masses in the range suggested by asteroseismology m{sub a} cos {sup 2}??>10 meV; g{sub ae}?>2.8נ10{sup -13}) lower axion masses can not be discarded from our current knowledge of the WDLF of the Galactic Disk. A larger set of completely independent derivations of the WDLF of the galactic disk as well as a detailed study of the uncertainties of the theoretical WDLFs is needed before quantitative constraints on the axion-electron coupling constant can be made.

  3. Lignin-modifying enzymes of the white rot basidiomycete Ganoderma lucidum

    SciTech Connect (OSTI)

    D Merritt, C.S.; Reddy, C.A.

    1999-12-01

    Ganoderma lucidum, a white rot basidiomycete widely distributed worldwide, was studied for the production of the lignin-modifying enzymes laccase, manganese-dependent peroxidase (MnP), and lignin peroxidase (LiP). Laccase levels observed in high-nitrogen shaken cultures were much greater than those seen in low-nitrogen, malt extract, or wool-grown cultures and those reported for most other white rot fungi to date. Laccase production was readily seen in cultures grown with pine or poplar as the sole carbon and energy source. Cultures containing both pine and poplar showed 5- to 10-fold-higher levels of laccase than cultures containing pine or poplar alone. Since syringyl units are structural components important in poplar lignin and other hardwoods but much less so in pine lignin and other softwoods, pine cultures were supplemented with syringic acid, and this resulted in laccase levels comparable to those seen in pine-plus-poplar cultures. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis of concentrated extracellular culture fluid from HM cultures showed two laccase activity bands, where as isoelectric focusing revealed five major laccase activity bands with estimated pIs of 3.0, 4.25, 4.5, and 5.1. Low levels of MnP activity were detected in poplar-grown cultures but not in cultures grown with pine, with pine plus syringic acid, or in HN medium. No LiP activity was seen in any of the media tested; however, probing the genomic DNA with the LiP cDNA (CLG4) from the white rot fungus Phanerochaete chrysosporium showed distinct hybridization bands suggesting the presence of lip-like sequences in G. lucidum.

  4. The pulmonary response of white and black adults to six concentrations of ozone

    SciTech Connect (OSTI)

    Seal, E. Jr.; McDonnell, W.F.; House, D.E.; Salaam, S.A.; Dewitt, P.J.; Butler, S.O.; Green, J.; Raggio, L. )

    1993-04-01

    Many early studies of respiratory responsiveness to ozone (O3) were done on healthy, young, white males. The purpose of this study was to determine whether gender or race differences in O3 response exist among white and black, males and females, and to develop concentration-response curves for each of the gender-race groups. Three hundred seventy-two subjects (n > 90 in each gender-race group), ages 18 to 35 yr, were exposed once for 2.33 h to 0.0 (purified air), 0.12, 0.18, 0.24, 0.30, or 0.40 ppm O3. Each exposure was preceded by baseline pulmonary function tests and a symptom questionnaire. The first 2 h of exposure included alternating 15-min periods of rest and exercise on a motorized treadmill producing a minute ventilation (VE) of 25 L/min/m2 body surface area (BSA). After exposure, subjects completed a set of pulmonary function tests and a symptom questionnaire. Lung function and symptom responses were expressed as percent change from baseline and analyzed using a nonparametric two factor analysis of variance. Three primary variables were analyzed: FEV1, specific airway resistance (SRaw), and cough. Statistical analysis demonstrated no significant differences in response to O3 among the individual gender-race groups. For the group as a whole, changes in the variables FEV1, SRaw, and cough were first noted at 0.12, 0.18, and 0.18 ppm O3, respectively. Adjusted for exercise difference, concentration-response curves for FEV1 and cough among white males were consistent with previous reports (1).

  5. Whitings as a Potential Mechanism for Controlling Atmospheric Carbon Dioxide Concentrations Final Project Report

    SciTech Connect (OSTI)

    Brady D. Lee; William A. Apel; Michelle R. Walton

    2006-03-01

    Species of cyanobacteria in the genera Synechococcus and Synechocystis are known to be the catalysts of a phenomenon called "whitings", which is the formation and precipitation of fine-grained CaCO3 particles. Whitings occur when the cyanobacteria fix atmospheric CO2 through the formation of CaCO3 on their cell surfaces which leads to precipitation to the ocean floor and subsequent entombment in mud. Whitings represent one potential mechanism for CO2 sequestration. Research was performed to determine the ability of various strains of Synechocystis and Synechococcus to calcify when grown in microcosms amended with 2.5 mM HCO3- and 3.4 mM Ca2+. Results indicated that while all strains tested have the ability to calcify, only two, Synechococcus species, strains PCC 8806 and PCC 8807, were able to calcify to the extent that CaCO3 was precipitated. Enumeration of the cyanobacterial cultures during testing indicated that cell density did not appear to have an effect on calcification. Factors that had the greatest effect on calcification were CO2 removal and subsequent generation of alkaline pH. As CO2 was removed, growth medium pH increased and soluble Ca2+ was removed from solution. The largest increases in growth medium pH occurred when CO2 levels dropped below 400 ppmv. Precipitation of CaCO3 catalyzed by the growth and physiology of cyanobacteria in the Genus Synechococcus represents a potential mechanism for sequestration of atmospheric CO2 produced during the burning of coal for power generation. Synechococcus sp. strain PCC 8806 and Synechococcus sp. strain PCC 8807 were tested in microcosm experiments for their ability to calcify when exposed to a fixed calcium concentration of 3.4 mM and dissolved inorganic carbon concentrations of 0.5, 1.25 and 2.5 mM. Synechococcus sp. strain PCC 8806 removed calcium continuously over the duration of the experiment producing approximately 18.6 mg of solid-phase calcium. Calcium removal occurred over a two-day time period when Synechococcus sp. strain PCC 8807 was tested and only 8.9 mg of solid phase calcium was produced. The ability of the cyanobacteria to create an alkaline growth environment appeared to be the primary factor responsible for CaCO3 precipitation in these experiments. These research results demonstrate the potential of using cyanobacterial catalyzed whitings as a method to sequester CO2 from the atmosphere.

  6. AVTA Federal Fleet PEV Readiness Data Logging and Characterization Study for NASA White Sands Test Facility

    SciTech Connect (OSTI)

    Stephen Schey; Jim Francfort

    2014-10-01

    This report focuses on the NASA White Sands Test Facility (WSTF) fleet to identify daily operational characteristics of select vehicles and report findings on vehicle and mission characterizations to support the successful introduction of plug-in electric vehicles (PEVs) into the agencies’ fleets. Individual observations of these selected vehicles provide the basis for recommendations related to electric vehicle adoption and whether a battery electric vehicle (BEV) or plug-in hybrid electric vehicle (PHEV) (collectively plug-in electric vehicles, or PEVs) can fulfill the mission requirements.

  7. White-blue electroluminescence from a Si quantum dot hybrid light-emitting diode

    SciTech Connect (OSTI)

    Xin, Yunzi; Nishio, Kazuyuki; Saitow, Ken-ichi

    2015-05-18

    A silicon (Si) quantum dot (QD)-based hybrid inorganic/organic light-emitting diode (LED) was fabricated via solution processing. This device exhibited white-blue electroluminescence at a low applied voltage of 6?V, with 78% of the effective emission obtained from the Si QDs. This hybrid LED produced current and optical power densities 280 and 350 times greater than those previously reported for such device. The superior performance of this hybrid device was obtained by both the prepared Si QDs and the optimized layer structure and thereby improving carrier migration through the hybrid LED and carrier recombination in the homogeneous Si QD layer.

  8. High-Power Warm-White Hybrid LED Package for Illumination

    SciTech Connect (OSTI)

    Soer, Wouter

    2013-09-19

    In this project, an integrated warm-white hybrid light engine was developed. The hybrid approach involves combining phosphor-converted off-white InGaN LEDs and direct-emitting red AlInGaP LEDs in a single light engine to achieve high efficacy together with high color rendering index. We developed and integrated technology improvements in InGaN and AlInGaP die technology, phosphor technology, package architecture and encapsulation, to realize a hybrid warm-white LED package with an efficacy of 140 lm/W at a correlated color temperature of 3000K and a color rendering index of 90, measured under representative operating conditions. This efficacy is 26% higher than the best warm-white LEDs of similar specification that are commercially available at the end of the project. Since the InGaN- and AlInGaP-based LEDs used in the hybrid engine show different behavior as a function of current and temperature, a control system needs to be in place to ensure a stable color point over all operating conditions. In this project, we developed an electronic control circuit that is fully integrated into the light engine in such a way that the module can simply be driven by a conventional single-channel driver. The integrated control circuit uses a switch-mode boost converter topology to control the LED drive currents based on the temperature and the input current of the light engine. A color control performance of 5 SDCM was demonstrated, and improvement to 3 SDCM is considered well within reach. The combination of high efficacy and ease of integration with existing single-channel drivers is expected to facilitate the adoption of the hybrid technology and accelerate the energy savings associated with solid-state lighting. In the product commercialization plan, downlights and indirect-lit troffers have been selected as the first target applications for this product concept. Fully functional integrated prototypes have been developed for both applications, and the business case evaluation is ongoing as of the end of the project.

  9. White Earth Reservation - Minnesota Tribal Coalition Tribal Utility Capacity Building Project

    Energy Savers [EERE]

    Minnesota Tribal Coalition White Earth Leech Lake Grand Portage Community Center- 840,000 kWh/yr Casino/Hotel- 2,200,000 kWh/yr Households- 1,440,000 kWh/yr Tribal Council Offices- 640,000 kWh/yr Total Consumption: 5,120,000 kWh/yr Annual Cost: $358,400.00 Total Electricity Consumption: *Approximately 1MW of Wind to power community center and hotel/casino *20% Hydrogen backup (electrolysis, hydrogen storage, and fuel cell) located at community center *All electricity production to be consumed by

  10. Clean Cities Strategic Planning White Paper: Light Duty Vehicle Fuel Economy

    SciTech Connect (OSTI)

    Saulsbury, Bo; Hopson, Dr Janet L; Greene, David; Gibson, Robert

    2015-04-01

    Increasing the energy efficiency of motor vehicles is critical to achieving national energy goals of reduced petroleum dependence, protecting the global climate, and promoting continued economic prosperity. Even with fuel economy and greenhouse gas emissions standards and various economic incentives for clean and efficient vehicles, providing reliable and accurate fuel economy information to the public is important to achieving these goals. This white paper reviews the current status of light-duty vehicle fuel economy in the United States and the role of the Department of Energy (DOE) Clean Cities Program in disseminating fuel economy information to the public.

  11. Ed Westcott: Legacy in Black and White | Y-12 National Security Complex

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

    Ed Westcott: Legacy in ... Ed Westcott: Legacy in Black and White Posted: July 18, 2012 - 2:02pm | Y-12 Report | Volume 9, Issue 1 | 2012 Ed Westcott As the official photographer of the Manhattan Project, Ed Westcott took 15,000 photographs between 1942 and 1946. His images chronicle Y-12 from its construction through the height of uranium-235 production and the end of the war. The photos also depict the people and community supporting this massive undertaking. Without his unflagging coverage of

  12. Axisymmetric general relativistic simulations of the accretion-induced collapse of white dwarfs

    SciTech Connect (OSTI)

    Abdikamalov, E. B.; Ott, C. D.; Rezzolla, L.; Dessart, L.; Dimmelmeier, H.; Marek, A.; Janka, H.-T.

    2010-02-15

    The accretion-induced collapse (AIC) of a white dwarf may lead to the formation of a protoneutron star and a collapse-driven supernova explosion. This process represents a path alternative to thermonuclear disruption of accreting white dwarfs in type Ia supernovae. In the AIC scenario, the supernova explosion energy is expected to be small and the resulting transient short-lived, making it hard to detect by electromagnetic means alone. Neutrino and gravitational-wave (GW) observations may provide crucial information necessary to reveal a potential AIC. Motivated by the need for systematic predictions of the GW signature of AIC, we present results from an extensive set of general-relativistic AIC simulations using a microphysical finite-temperature equation of state and an approximate treatment of deleptonization during collapse. Investigating a set of 114 progenitor models in axisymmetric rotational equilibrium, with a wide range of rotational configurations, temperatures and central densities, and resulting white dwarf masses, we extend previous Newtonian studies and find that the GW signal has a generic shape akin to what is known as a 'type III' signal in the literature. Despite this reduction to a single type of waveform, we show that the emitted GWs carry information that can be used to constrain the progenitor and the postbounce rotation. We discuss the detectability of the emitted GWs, showing that the signal-to-noise ratio for current or next-generation interferometer detectors could be high enough to detect such events in our Galaxy. Furthermore, we contrast the GW signals of AIC and rotating massive star iron core collapse and find that they can be distinguished, but only if the distance to the source is known and a detailed reconstruction of the GW time series from detector data is possible. Some of our AIC models form massive quasi-Keplerian accretion disks after bounce. The disk mass is very sensitive to progenitor mass and angular momentum distribution. In rapidly differentially rotating models whose precollapse masses are significantly larger than the Chandrasekhar mass, the resulting disk mass can be as large as {approx}0.8M{sub {center_dot}.} Slowly and/or uniformly rotating models that are limited to masses near the Chandrasekhar mass produce much smaller disks or no disk at all. Finally, we find that the postbounce cores of rapidly spinning white dwarfs can reach sufficiently rapid rotation to develop a gravitorotational bar-mode instability. Moreover, many of our models exhibit sufficiently rapid and differential rotation to become subject to recently discovered low-E{sub rot}/|W|-type dynamical instabilities.

  13. Bio-liquefaction/solubilization of lignitic humic acids by white-rot fungus (Phanerochaete chrysosporium)

    SciTech Connect (OSTI)

    Elbeyli, I.Y.; Palantoken, A.; Piskin, S.; Peksel, A.; Kuzu, H.

    2006-08-15

    Humic acid samples obtained from lignite were liquefied/solubilized by using white-rot fungus, and chemical characterization of the products was investigated by FTIR and GC-MS techniques. Prior to the microbial treatment, raw lignite was oxidized with hydrogen peroxide and nitric acid separately, and then humic acids were extracted by alkali solution. The prepared humic acid samples were placed on the agar surface of the fungus and liquid products formed by microbial affects were collected. The products were analyzed and the chemical properties were compared. The results show that oxidation agent and oxidation degree affect composition of the liquid products formed by microbial attack.

  14. White House Council of Economic Advisers and Energy Department Release New

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

    Report on Resiliency of Electric Grid During Natural Disasters | Department of Energy NEWS MEDIA CONTACT (202) 586-4940 WASHINGTON - The White House Council of Economic Advisers and the U.S. Department of Energy today released a new report that assesses how to best protect the nation's electric grid from power outages that occur during natural disasters. This week marks the tenth anniversary of one of the worst power outages in the United States, during which tens of millions of Americans

  15. Microsoft Word - srb2014-07-10_Analysis of WIPP Samples by SRNL (T. White)

    Office of Environmental Management (EM)

    Analysis of Waste Isolation Pilot Plant (WIPP) Samples by the Savannah River National Laboratory (SRNL) D. P. DiPrete T. L. White J. E. Young L. W. Brown July 2014 SRNL-TR-2014-00133, Revision 0 SRNL-TR-2014-00133 Revision 0 ii DISCLAIMER This work was prepared under an agreement with and funded by the U.S. Government. Neither the U.S. Government or its employees, nor any of its contractors, subcontractors or their employees, makes any express or implied: 1. warranty or assumes any legal

  16. SHORT-PERIOD g-MODE PULSATIONS IN LOW-MASS WHITE DWARFS TRIGGERED BY H-SHELL BURNING

    SciTech Connect (OSTI)

    Crsico, A. H.; Althaus, L. G.

    2014-09-20

    The detection of pulsations in white dwarfs with low mass offers the possibility of probing their internal structures through asteroseismology and placing constraints on the binary evolutionary processes involved in their formation. In this Letter, we assess the impact of stable H burning on the pulsational stability properties of low-mass He-core white dwarf models resulting from binary star evolutionary calculations. We found that besides a dense spectrum of unstable radial modes and nonradial g and p modes driven by the ? mechanism due to the partial ionization of H in the stellar envelope, some unstable g modes with short pulsation periods are also powered by H burning via the ? mechanism of mode driving. This is the first time that ? destabilized modes are found in models representative of cool white dwarf stars. The short periods recently detected in the pulsating low-mass white dwarf SDSS J111215.82+111745.0 could constitute the first evidence of the existence of stable H burning in these stars, in particular in the so-called extremely low-mass white dwarfs.

  17. Dynamical instability of white dwarfs and breaking of spherical symmetry under the presence of extreme magnetic fields

    SciTech Connect (OSTI)

    Coelho, J. G.; Cceres, D. L.; Rueda, J. A.; Ruffini, R. [Dipartimento di Fisica and ICRA, Sapienza Universit di Roma, P.le Aldo Moro 5, I-00185 Rome (Italy); Marinho, R. M.; Malheiro, M. [Departamento de Fsica, Instituto Tecnolgico de Aeronutica, ITA, So Jos dos Campos, 12228-900 SP (Brazil); Negreiros, R., E-mail: jaziel.coelho@icranet.org, E-mail: jorge.rueda@icra.it, E-mail: m.malheiro@ita.br [Instituto de Fsica, Universidade Federal Fluminense, UFF, Niteri, 24210-346 RJ (Brazil)

    2014-10-10

    Massive, highly magnetized white dwarfs with fields up to 10{sup 9} G have been observed and theoretically used for the description of a variety of astrophysical phenomena. Ultramagnetized white dwarfs with uniform interior fields up to 10{sup 18} G have been recently purported to obey a new maximum mass limit, M {sub max} ? 2.58 M {sub ?}, which largely overcomes the traditional Chandrasekhar value, M {sub Ch} ? 1.44 M {sub ?}. Such a larger limit would make these astrophysical objects viable candidates for the explanation of the superluminous population of Type Ia supernovae. We show that several macro and micro physical aspects such as gravitational, dynamical stability, breaking of spherical symmetry, general relativity, inverse ? decay, and pycnonuclear fusion reactions are of most relevance for the self-consistent description of the structure and assessment of stability of these objects. It is shown in this work that the first family of magnetized white dwarfs indeed satisfy all the criteria of stability, while the ultramagnetized white dwarfs are very unlikely to exist in nature since they violate minimal requests of stability. Therefore, the canonical Chandrasekhar mass limit of white dwarfs still has to be applied.

  18. Importance of tides for periastron precession in eccentric neutron star-white dwarf binaries

    SciTech Connect (OSTI)

    Sravan, N.; Valsecchi, F.; Kalogera, V.; Althaus, L. G.

    2014-09-10

    Although not nearly as numerous as binaries with two white dwarfs, eccentric neutron star-white dwarf (NS-WD) binaries are important gravitational-wave (GW) sources for the next generation of space-based detectors sensitive to low frequency waves. Here we investigate periastron precession in these sources as a result of general relativistic, tidal, and rotational effects; such precession is expected to be detectable for at least some of the detected binaries of this type. Currently, two eccentric NS-WD binaries are known in the galactic field, PSR J11416545 and PSR B2303+46, both of which have orbits too wide to be relevant in their current state to GW observations. However, population synthesis studies predict the existence of a significant Galactic population of such systems. Though small in most of these systems, we find that tidally induced periastron precession becomes important when tides contribute to more than 3% of the total precession rate. For these systems, accounting for tides when analyzing periastron precession rate measurements can improve estimates of the inferred WD component mass and, in some cases, will prevent us from misclassifying the object. However, such systems are rare, due to rapid orbital decay. To aid the inclusion of tidal effects when using periastron precession as a mass measurement tool, we derive a function that relates the WD radius and periastron precession constant to the WD mass.

  19. Merger of white dwarf-neutron star binaries: Prelude to hydrodynamic simulations in general relativity

    SciTech Connect (OSTI)

    Paschalidis, Vasileios; MacLeod, Morgan; Baumgarte, Thomas W.; Shapiro, Stuart L.

    2009-07-15

    White dwarf-neutron star binaries generate detectable gravitational radiation. We construct Newtonian equilibrium models of corotational white dwarf-neutron star (WDNS) binaries in circular orbit and find that these models terminate at the Roche limit. At this point the binary will undergo either stable mass transfer (SMT) and evolve on a secular time scale, or unstable mass transfer (UMT), which results in the tidal disruption of the WD. The path a given binary will follow depends primarily on its mass ratio. We analyze the fate of known WDNS binaries and use population synthesis results to estimate the number of LISA-resolved galactic binaries that will undergo either SMT or UMT. We model the quasistationary SMT epoch by solving a set of simple ordinary differential equations and compute the corresponding gravitational waveforms. Finally, we discuss in general terms the possible fate of binaries that undergo UMT and construct approximate Newtonian equilibrium configurations of merged WDNS remnants. We use these configurations to assess plausible outcomes of our future, fully relativistic simulations of these systems. If sufficient WD debris lands on the NS, the remnant may collapse, whereby the gravitational waves from the inspiral, merger, and collapse phases will sweep from LISA through LIGO frequency bands. If the debris forms a disk about the NS, it may fragment and form planets.

  20. White Oak Creek Embayment site characterization and contaminant screening analysis. Environmental Restoration Program

    SciTech Connect (OSTI)

    Blaylock, B.G.; Ford, C.J.; Frank, M.L.; Hoffman, F.O.; Hook, L.A.

    1993-01-01

    Analyses of sediment samples collected near the mouth of White Oak Creek during the summer of 1990 revealed {sup 137}Cs concentrations [> 10{sup 6} Bq/kg dry wt (> 10{sup 4} pCi/g dry wt)] near the sediment surface. Available evidence indicates that these relatively high concentrations of {sup 137}Cs now at the sediment surface were released from White Oak Dam in the mid-1950s and had accumulated at depositionalsites in the embayment. These accumulated sediments are being eroded and transported downstream primarily during winter low-water levels by flood events and by a combination of normal downstream flow and the water turbulence created by the release of water from Melton Hill Dam during hydropower generation cycles. This report provides a more thorough characterization of the extent of contamination in WOCE than was previously available. Environmental samples collected from WOCE were analyzed for organic, inorganic, and radiological contaminants in fish, water, and sediment. These results were used to conduct a human health effects screening analysis. Walkover radiation surveys conducted inside the fenced area surrounding the WOCE at summer-pool (741 ft MSL) and at winter-pool (733 ft MSL) level, indicated a maximum exposure rate of 3 mR h{sup 1} 1 m above the soil surface.

  1. Inhalation developmental toxicology studies: Developmental toxicity of chloroprene vapors in New Zealand white rabbits. Final report

    SciTech Connect (OSTI)

    Mast, T.J.; Evanoff, J.J.; Westerberg, R.B.; Rommereim, R.L.; Weigel, R.J.

    1994-04-01

    Chloroprene, 2-chloro-1,3-butadiene, is a colorless liquid with a pungent ethereal odor that is primarily used as an intermediate in the manufacture of neoprene rubber, and has been used as such since about 1930. This study addressed the potential for chloroprene to cause developmental toxicity in New Zealand white rabbits following gestational exposure to 0, 10, 40, or 175 ppm chloroprene vapors, 6h/dy, 7dy/wk. Each treatment group consisted of 15 artificially inseminated females exposed on 6 through 28 days of gestation (dg). Body weights were obtained throughout the study period, and uterine and fetal body weights were obtained at sacrifice on 29 dg. Implants were enumerated and their status recorded and live fetuses were examined for gross, visceral, skeletal, and soft-tissue craniofacial defects. There were no overt signs of maternal toxicity and the change in maternal body weight over the course of the study was not affected. Exposure of pregnant rabbits to chloroprene vapors on 6-28 dg had no effect on the number of implantation, the mean percent of live pups per litter, or on the incidence of resorptions per litter. The incidence of fetal malformations was not increased by exposure to chloroprene. Results of this study indicate that gestational exposure of New Zealand white rabbits to 10, 40, or 175 ppm chloroprene did not result in observable toxicity to either the dam or the offspring.

  2. Daily movements of female white-tailed deer relative to parturition and breeding.

    SciTech Connect (OSTI)

    Gino J. D'Angelo; Christopher E. Comer; John C. Kilgo; Cory D. Drennan; David A. Osborn; Karl V. Miller

    2005-10-01

    Abstract: To assess how white-tailed deer (Odocoileus virginianus) herd demographics influence reproductive behaviors, we examined 24-h diel movements of female whitetailed deer relative to parturition and breeding in a low-density population with a near even sex ratio at the Savannah River Site (SRS), South Carolina. We conducted a series of intensive, 24-h radio-tracking periods of 13 females during spring and fall 2002. We compared daily range (ha), rate of travel (m/h), and distance between extreme daily locations (m), among the periods of pre-parturition and post-parturition and pre-, peak-, and post-rut. From pre-parturition to post-parturition, we observed decreases in diel range size (?¢????38.2%), distance between extreme diel locations (?¢????17.0%), and diel rate of travel (?¢????18.2%). Diel range size, distance between extreme diel locations, and diel rate of travel during the pre-rut and rut exceeded those observed during post-rut. We further identified substantial increases in mobility during 12 24-h diel periods for eight females during our fall monitoring. Our data suggest that female white-tailed deer reduce mobility post-fawning following exaggerated movements during pre-parturition. Furthermore, despite a near equal sex ratio, estrous does may be required to actively seek potential mates due to low population density.

  3. Demonstration of laccase in the white rot basidiomycete phanerochaete chrysosporium BKM-F1767

    SciTech Connect (OSTI)

    Srinivasan, C.; D`Souza, T.M.; Boominathan, K.

    1995-12-01

    It has been widely reported that the white rot basidiomycete Phanerochaete chrysosporium, unlike most other white rot fungi, does not produce laccase, an enzyme implicated in lignin biodegradation. Our results showed that P. chrysosporium BKM-F1767 produces extracellular laccase in a defined culture medium containing cellulose (10 g/liter) and either 2.4 or 24 mM ammonium tartrate. Laccase activity was demonstrated in the concentrated extracellular culture fluids of this organism as determined by a laccase plate assay as well as a spectrophotometric assay with ABTS [2,2`-azinobis(3-ethylbenzathiazoline-6-sulfonic acid)] as the substrate. Laccase activity was observed even after addition of excess catalase to the extracellular culture fluid to destroy the endogenously produced hydrogen peroxide, indicating that the observed activity is not due to a peroxidase. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis followed by activity staining with ABTS revealed the presence of a laccase band with an estimated M{sub r} of 46,500.

  4. Isolation of laccase gene-specific sequences from white rot and brown rot fungi by PCR

    SciTech Connect (OSTI)

    D`Souza, T.M.; Boominathan, K.; Reddy, C.A.

    1996-10-01

    Degenerate primers corresponding to the consensus sequences of the copper-binding regions in the N-terminal domains of known basidiomycete laccases were used to isolate laccase gene-specific sequences from strains representing nine genera of wood rot fungi. All except three gave the expected PCR product of about 200 bp. Computer searches of the databases identified the sequences of each of the PCR product of about 200 bp. Computer searches of the databases identified the sequence of each of the PCR products analyzed as a laccase gene sequence, suggesting the specificity of the primers. PCR products of the white rot fungi Ganoderma lucidum, Phlebia brevispora, and Trametes versicolor showed 65 to 74% nucleotide sequence similarity to each other; the similarity in deduced amino acid sequences was 83 to 91%. The PCR products of Lentinula edodes and Lentinus tigrinus, on the other hand, showed relatively low nucleotide and amino acid similarities (58 to 64 and 62 to 81%, respectively); however, these similarities were still much higher than when compared with the corresponding regions in the laccases of the ascomycete fungi Aspergillus nidulans and Neurospora crassa. A few of the white rot fungi, as well as Gloeophyllum trabeum, a brown rot fungus, gave a 144-bp PCR fragment which had a nucleotide sequence similarity of 60 to 71%. Demonstration of laccase activity in G. trabeum and several other brown rot fungi was of particular interest because these organisms were not previously shown to produce laccases. 36 refs., 6 figs., 2 tabs.

  5. Modeling Requirements for Simulating the Effects of Extreme Acts of Terrorism: A White Paper

    SciTech Connect (OSTI)

    Allen, M.; Hiebert-Dodd, K.; Marozas, D.; Paananen, O.; Pryor, R.J.; Reinert, R.K.

    1998-10-01

    This white paper presents the initial requirements for developing a new computer model for simulating the effects of extreme acts of terrorism in the United States. General characteristics of the model are proposed and the level of effort to prepare a complete written description of the model, prior to coding, is detailed. The model would simulate the decision processes and interactions of complex U. S. systems engaged in responding to and recovering from four types of terrorist incidents. The incident scenarios span the space of extreme acts of terrorism that have the potential to affect not only the impacted area, but also the entire nation. The model would be useful to decision-makers in assessing and analyzing the vulnerability of the nation's complex infrastructures, in prioritizing resources to reduce risk, and in planning strategies for immediate response and for subsequent recovery from terrorist incidents.

  6. Ultraviolet and white photon avalanche upconversion in Ho{sup 3+}-doped nanophase glass ceramics

    SciTech Connect (OSTI)

    Lahoz, F.; Martin, I.R.; Calvilla-Quintero, J.M.

    2005-01-31

    Ho{sup 3+}-doped fluoride nanophase glass ceramics have been synthesized from silica-based oxyfluoride glass. An intense white emission light is observed by the naked eye under near infrared excitation at 750 nm. This visible upconversion is due to three strong emission bands in the primary color components, red, green, and blue. Besides, ultraviolet signals are also recorded upon the same excitation wavelength. The excitation mechanism of both the ultraviolet and the visible emissions is a photon avalanche process with a relatively low pump power threshold at about 20 mW. The total upconverted emission intensity has been estimated to increase by about a factor of 20 in the glass ceramic compared to the precursor glass, in which an avalanche type mechanism is not generated.

  7. Advanced method for increasing the efficiency of white light quantum dot LEDs

    SciTech Connect (OSTI)

    Duty, Chad E [ORNL; Bennett, Charlee J C [ORNL; Sabau, Adrian S [ORNL; Jellison Jr, Gerald Earle [ORNL; Boudreaux, Philip R [ORNL; Walker, Steven C [ORNL; Ott, Ronald D [ORNL

    2011-01-01

    Covering a light-emitting diode (LED) with quantum dots (QDs) can produce a broad spectrum of white light. However, current techniques for applying QDs to LEDs suffer from a high density of defects and a non-uniform distribution of QDs, which, respectively, diminish the efficiency and quality of emitted light. Oak Ridge National Laboratory (ORNL) has the unique capability to thermally anneal QD structures at extremely high power densities for very short durations. This process, called pulse thermal processing (PTP), reduces the number of point defects while maintaining the size and shape of the original QD nanostructure. Therefore, the efficiency of the QD wavelength conversion layer is improved without altering the emission spectrum defined by the size distribution of theQD nanoparticles. The current research uses a thermal model to predict annealing temperatures during PTP and demonstrates up to a 300% increase in photoluminescence for QDs on passive substrates.

  8. Stacked white OLED having separate red, green and blue sub-elements

    SciTech Connect (OSTI)

    Forrest, Stephen; Qi, Xiangfei; Slootsky, Michael

    2014-07-01

    The present invention relates to efficient organic light emitting devices (OLEDs). The devices employ three emissive sub-elements, typically emitting red, green and blue, to sufficiently cover the visible spectrum. Thus, the devices may be white-emitting OLEDs, or WOLEDs. Each sub-element comprises at least one organic layer which is an emissive layer--i.e., the layer is capable of emitting light when a voltage is applied across the stacked device. The sub-elements are vertically stacked and are separated by charge generating layers. The charge-generating layers are layers that inject charge carriers into the adjacent layer(s) but do not have a direct external connection.

  9. EFFECTS OF MAGNETIC FIELDS ON THE PROPAGATION OF NUCLEAR FLAMES IN MAGNETIC WHITE DWARFS

    SciTech Connect (OSTI)

    Kutsuna, Masamichi; Shigeyama, Toshikazu [Research Center for the Early Universe, Graduate School of Science, University of Tokyo, Bunkyo-ku, Tokyo 113-0033 (Japan)

    2012-04-10

    We investigate the effects of the magnetic field on the propagation of laminar flames of nuclear reactions taking place in white dwarfs with masses close to the Chandrasekhar limit. We calculate the velocities of laminar flames parallel and perpendicular to uniform magnetic fields as eigenvalues of steady solutions for magnetic hydrodynamical equations. As a result, we find that even when the magnetic pressure does not dominate the entire pressure it is possible for the magnetic field to suppress the flame propagation through the thermal conduction. Above the critical magnetic field, the flame velocity decreases with increasing magnetic field strength as v {approx} B{sup -1}. In media with densities of 10{sup 7}, 10{sup 8}, and 10{sup 9} g cm{sup -3}, the critical magnetic fields are orders of {approx}10{sup 10}, 10{sup 11}, and 10{sup 12} G, respectively.

  10. THE WHITE DWARF COMPANION OF A 2 M{sub sun} NEUTRON STAR

    SciTech Connect (OSTI)

    Bhalerao, Varun B.; Kulkarni, S. R.

    2011-08-10

    We report the optical discovery of the companion to the 2 M{sub sun} millisecond pulsar PSR J1614-2230. The optical colors show that the 0.5 M{sub sun} companion is a 2.2 Gyr old He-CO white dwarf. We infer that M-dot during the accretion phase is <10{sup -2} M-dot{sub edd}. We show that the pulsar was born with a spin close to its current value, well below the rebirth line. The spin-down parameters, the mass of the pulsar, and the age of the system challenge the simple recycling model for the formation of millisecond pulsars.

  11. Liquefaction/solubilization of low-rank Turkish coals by white-rot fungus (Phanerochaete chrysosporium)

    SciTech Connect (OSTI)

    Elbeyli, I.Y.; Palantoken, A.; Piskin, S.; Kuzu, H.; Peksel, A.

    2006-08-15

    Microbial coal liquefaction/solubilization of three low-rank Turkish coals (Bursa-Kestelek, Kutahya-Seyitomer and Mugla-Yatagan lignite) was attempted by using a white-rot fungus (Phanerochaete chrysosporium DSM No. 6909); chemical compositions of the products were investigated. The lignite samples were oxidized by nitric acid under moderate conditions and then oxidized samples were placed on the agar medium of Phanerochaete chrysosporium. FTIR spectra of raw lignites, oxidized lignites and liquid products were recorded, and the acetone-soluble fractions of these samples were identified by GC-MS technique. Results show that the fungus affects the nitro and carboxyl/carbonyl groups in oxidized lignite sample, the liquid products obtained by microbial effects are the mixture of water-soluble compounds, and show limited organic solubility.

  12. Challenges and Opportunities To Achieve 50% Energy Savings in Homes: National Laboratory White Papers

    SciTech Connect (OSTI)

    Bianchi, M. V. A.

    2011-07-01

    In 2010, researchers from four of the national laboratories involved in residential research (Lawrence Berkeley National Laboratory, National Renewable Energy Laboratory, Oak Ridge National Laboratory, and Pacific Northwest National Laboratory) were asked to prepare papers focusing on the key longer term research challenges, market barriers, and technology gaps that must be addressed to achieve the longer term 50% saving goal for Building America to ensure coordination with the Building America industry teams who are focusing their research on systems to achieve the near-term 30% savings goal. Although new construction was included, the focus of the effort was on deep energy retrofits of existing homes. This report summarizes the key opportunities, gaps, and barriers identified in the national laboratory white papers.

  13. Landslides and other mass movements near TA-33, northern White Rock Canyon, New Mexico. Final report

    SciTech Connect (OSTI)

    Dethier, D.P.

    1993-09-01

    Massive slump complexes and at least two rock avalanches flank the eastern rim of the Pajarito Plateau along northern White Rock Canyon, north of TA-33. Landslides failed along mechanically weak rocks in the Santa Fe Group, within the Puye Formation, or in Pliocene alluvial and lacustrine units. The landslides are mainly of early or middle Pleistocene age. The toe area of at least,one slump complex has been active in the late Pleistocene, damming White Rock Canyon near the mouth of Water Canyon. Lacustrine sediment that filled this lake, or series of lakes, to an elevation of at least 1710 m is preserved at a number of upstream sites, including a deposit near the Buckman townsite that exposes 30 m of lacustrine sediment. Charcoal collected at several sites has been submitted for {sup 14}C dating. Landslides, however, probably do not represent a significant short-term threat to the material disposal areas at TA-33. Bedrock that lies beneath the TA-33 mesa is relatively stable, the mesa shows no signs of incipient failure, and past periods of slide activity were responses to rapid downcutting of the Rio Grande and climate change, probably over periods of several decades, at least. Rockfall and headward erosion of gullies do not represent significant decadal hazards on canyon rims near TA-33. Gully migration near MDA-K is a potential threat, but the gullies were not examined in detail. A system of north-trending faults, at least one of which displays Pleistocene activity, bisects the TA-33 mesa. If these faults are capable of producing significant seismic shaking, generalizations about landslide and rockfall hazards must be reevaluated.

  14. Discerning Viable from Nonviable Yersinia pestis pgm- and Bacillus anthracis Sterne using Propidium Monoazide in the Presence of White Powders

    SciTech Connect (OSTI)

    Hess, Becky M.; Kaiser, Brooke LD; Sydor, Michael A.; Wunschel, David S.; Bruckner-Lea, Cindy J.; Hutchison, Janine R.

    2015-12-23

    ABSTRACT Aims To develop and optimize an assay to determine viability status of Bacillus anthracis Sterne and Yersinia pestis pgm- strains in the presence of white powders by coupling propidium monoazide (PMA) treatment with real-time PCR (qPCR) analysis. Methods and Results PMA selectively enters nonviable cells and binds DNA, thereby increasing qPCR assay cycle threshold (CT) values compared to untreated samples. Dye concentration, cell number and fitness, incubation time, inactivation methods, and assay buffer were optimized for B. anthracis Sterne and Y. pestis pgm-. Differences in CT values in nonviable cells compared to untreated samples were consistently > 9 for both B. anthracis Sterne vegetative cells and Y. pestis pgm- in the presence and absence of three different white powders. Our method eliminates the need for a DNA extraction step prior to detection by qPCR. Conclusions The developed assay enables simultaneous identification and viability assessment for B. anthracis Sterne and Y. pestis pgm- under laboratory conditions, even in the presence of white powders. Eliminating the DNA extraction step that is typically used reduces total assay time and labor requirements for sample analysis. Significance and Impact of the Study The method developed for simultaneous detection and viability assessment for B. anthracis and Y. pestis can be employed in forming decisions about the severity of a biothreat event or the safety of food. Keywords Bacillus anthracis, Yersinia pestis, Propidium Monoazide, qPCR, White Powders, Rapid Viability Detection

  15. White Noise Path Integral Treatment of a Two-dimensional Dirac Oscillator in a Uniform Magnetic Field

    SciTech Connect (OSTI)

    Bastatas, Lyndon D.; Bornales, Jinky B.

    2008-06-18

    White noise path integral prescription is applied to solve the Dirac equation for a two-dimensional Dirac oscillator in a uniform magnetic field. The energy spectrum obtained agrees with the result obtained by Villalba and Maggiolo using the differential approach.

  16. A 1.05 M{sub ?} companion to PSR J22220137: The coolest known white dwarf?

    SciTech Connect (OSTI)

    Kaplan, David L. [Department of Physics, University of Wisconsin-Milwaukee, 1900 East Kenwood Boulevard, Milwaukee, WI 53211 (United States); Boyles, Jason; McLaughlin, Maura A.; Lorimer, Duncan R. [Department of Physics and Astronomy, West Virginia University, White Hall, Box 6315, Morgantown, WV 26506-6315 (United States); Dunlap, Bart H. [Department of Physics and Astronomy, University of North Carolina, Chapel Hill, NC 27599-3255 (United States); Tendulkar, Shriharsh P. [Space Radiation Laboratory, California Institute of Technology, 1200 East California Boulevard, MC 249-17, Pasadena, CA 91125 (United States); Deller, Adam T. [ASTRON, P.O. Box 2, 7990 AA Dwingeloo (Netherlands); Ransom, Scott M. [National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903-2475 (United States); Stairs, Ingrid H., E-mail: kaplan@uwm.edu [Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, British Columbia V6T 1Z1 (Canada)

    2014-07-10

    The recycled pulsar PSR J22220137 is one of the closest known neutron stars (NSs) with a parallax distance of 267{sub ?0.9}{sup +1.2} pc and an edge-on orbit. We measure the Shapiro delay in the system through pulsar timing with the Green Bank Telescope, deriving a low pulsar mass (1.20 0.14 M{sub ?}) and a high companion mass (1.05 0.06 M{sub ?}) consistent with either a low-mass NS or a high-mass white dwarf. We can largely reject the NS hypothesis on the basis of the system's extremely low eccentricity (3 10{sup 4})too low to have been the product of two supernovae under normal circumstances. However, despite deep optical and near-infrared searches with Southern Astrophysical Research and the Keck telescopes we have not discovered the optical counterpart of the system. This is consistent with the white dwarf hypothesis only if the effective temperature is <3000 K, a limit that is robust to distance, mass, and atmosphere uncertainties. This would make the companion to PSR J22220137 one of the coolest white dwarfs ever observed. For the implied age to be consistent with the age of the Milky Way requires the white dwarf to have already crystallized and entered the faster Debye-cooling regime.

  17. The development of an aquatic spill model for the White Oak Creek watershed, Oak Ridge National Laboratory, Oak Ridge, Tennessee

    SciTech Connect (OSTI)

    Johnson, R.O.

    1996-05-01

    This study develops an aquatic spill model applicable to the White Oak Creek watershed draining the Oak Ridge National Laboratory. Hazardous, toxic, and radioactive chemicals are handled and stored on the laboratory reservation. An accidental spill into the White Oak Creek watershed could contaminate downstream water supplies if insufficient dilution did not occur. White Oak Creek empties into the Clinch River, which flows into the Tennessee River. Both rivers serve as municipal water supplies. The aquatic spill model provides estimates of the dilution at sequential downstream locations along White Oak creek and the Clinch River after an accidental spill of a liquid containing a radioactively decaying constituent. The location of the spill on the laboratory is arbitrary, while hydrologic conditions range from drought to extreme flood are simulated. The aquatic spill model provides quantitative estimates with which to assess water quality downstream from the site of the accidental spill, allowing an informed decision to be made whether to perform mitigating measures so that the integrity of affected water supplies is not jeopardized.

  18. The accretion of solar material onto white dwarfs: No mixing with core material implies that the mass of the white dwarf is increasing

    SciTech Connect (OSTI)

    Starrfield, Sumner

    2014-04-15

    Cataclysmic Variables (CVs) are close binary star systems with one component a white dwarf (WD) and the other a larger cooler star that fills its Roche Lobe. The cooler star is losing mass through the inner Lagrangian point of the binary and some unknown fraction of this material is accreted by the WD. One consequence of the WDs accreting material, is the possibility that they are growing in mass and will eventually reach the Chandrasekhar Limit. This evolution could result in a Supernova Ia (SN Ia) explosion and is designated the Single Degenerate Progenitor (SD) scenario. This paper is concerned with the SD scenario for SN Ia progenitors. One problem with the single degenerate scenario is that it is generally assumed that the accreting material mixes with WD core material at some time during the accretion phase of evolution and, since the typical WD has a carbon-oxygen CO core, the mixing results in large amounts of carbon and oxygen being brought up into the accreted layers. The presence of enriched carbon causes enhanced nuclear fusion and a Classical Nova explosion. Both observations and theoretical studies of these explosions imply that more mass is ejected than is accreted. Thus, the WD in a Classical Nova system is losing mass and cannot be a SN Ia progenitor. However, the composition in the nuclear burning region is important and, in new calculations reported here, the consequences to the WD of no mixing of accreted material with core material have been investigated so that the material involved in the explosion has only a Solar composition. WDs with a large range in initial masses and mass accretion rates have been evolved. I find that once sufficient material has been accreted, nuclear burning occurs in all evolutionary sequences and continues until a thermonuclear runaway (TNR) occurs and the WD either ejects a small amount of material or its radius grows to about 10{sup 12} cm and the evolution is ended. In all cases where mass ejection occurs, the mass of the ejecta is far less than the mass of the accreted material. Therefore, all the WDs are growing in mass. It is also found that the accretion time to explosion can be sufficiently short for a 1.0M{sub ?} WD that recurrent novae can occur on a low mass WD. This mass is lower than typically assumed for the WDs in recurrent nova systems. Finally, the predicted surface temperatures when the WD is near the peak of the explosion imply that only the most massive WDs will be significant X-ray emitters at this time.

  19. Structural, thermal, optical properties and simulation of white light of titanium-tungstate-tellurite glasses doped with dysprosium

    SciTech Connect (OSTI)

    Jyothi, L. [School of Physics, University of Hyderabad, Hyderabad 500046 (India); Upender, G. [Glass Science and Technology Section, Glass Division, CSIR-CGCRI, Kolkata 700032 (India); Kuladeep, R. [School of Physics, University of Hyderabad, Hyderabad 500046 (India); Rao, D. Narayana, E-mail: dnrsp@uohyd.ernet.in [School of Physics, University of Hyderabad, Hyderabad 500046 (India)

    2014-02-01

    Graphical abstract: CIE coordinate diagram of different concentrations of the Dy{sup 3+}-doped TTWD glasses with coordinates in the white light region. - Highlights: Radiative lifetime of {sup 4}F{sub 9/2} level of Dy{sup 3+} ions is longer in the tellurite glass. Quantum efficiency is found to be high. These glasses are suitable materials for generating white light. - Abstract: Structural, thermal, optical properties and simulation of white light of Dy{sup 3+}-doped tellurite glasses of composition TTWD: (75 ? x)TeO{sub 2} ? 10TiO{sub 2} ? 15WO{sub 3} ? xDy{sub 2}O{sub 3} (x = 0, 0.1, 0.5, 1.0 and 2.0 mol%) were investigated. Raman spectra revealed that the glass contains TeO{sub 4}, TeO{sub 3}, WO{sub 4} and WO{sub 6} units. Differential scanning calorimetry (DSC) measurements were carried out to measure the glass transition temperature of all the glasses. From the optical absorption spectra, luminescence spectra and using the JuddOfelt (JO) analysis, we estimated the radiative transition probabilities, emission cross-sections, branching ratios and radiative lifetimes. The decay curves at lower concentrations are exponential while they show a non-exponential behavior at higher concentrations (?0.5 mol%) due to energy transfer processes. The effective lifetime for the {sup 4}F{sub 9/2} level decreases with increase in Dy{sub 2}O{sub 3} concentration for the glasses under investigation. The non-exponential decay curves could fit well to the InokutiHirayama (IH) model with S = 6, indicating that the nature of interaction responsible for energy transfer is of dipoledipole type. Simulation of white light is examined with varying concentration and the results indicate that these glasses are suitable for white light emitting diode applications.

  20. Beryllium Health and Safety Committee Data Reporting Task Force White Paper #2 -- Uses of Uncensored Data

    SciTech Connect (OSTI)

    MacQueen, D H

    2007-10-10

    On December 8, 1999, the Department of Energy (DOE) published Title 10 CFR 850 (hereafter referred to as the Rule) to establish a chronic beryllium disease prevention program (CBDPP) to: (1) reduce the number of workers currently exposed to beryllium in the course of their work at DOE facilities managed by DOE or its contractors; (2) minimize the levels of, and potential for, exposure to beryllium; and (3) establish medical surveillance requirements to ensure early detection of the disease. On January 4, 2001, DOE issued DOE G 440.1-7A, Implementation Guide for use with 10 CFR 850, Chronic Beryllium Disease Prevention Program, to assist line managers in meeting their responsibilities for implementing the CBDPP. That guide describes methods and techniques that DOE considers acceptable in complying with the Rule. In 2005 a draft DOE Technical Standard ''Management of Items and Areas Containing Low Levels of Beryllium'' (SAFT 0103; hereafter referred to as the ''TS'') was circulated for comment (http://www.hss.energy.gov/NuclearSafety/techstds/tsdrafts/saft-0103.pdf). DOE technical standards are voluntary consensus standards developed when industry standards do not exist (see http://www.hss.energy.gov/NuclearSafety/techstds/index.html for more information). DOE does not require its field elements to implement DOE technical standards, but field elements may choose to adopt these standards to meet specific needs. This beryllium TS is intended to provide best practices and lessons learned for manageing items and areas that contain low levels of beryllium, which has been a costly and technically challenging component of CBDPPs. The TS is also intended to provide guidance for determining if the Rule's housekeeping and release criteria are met. On challenge the TS addressed was the statistical interpretation of data sets with non-detected results, a topic for which no strong consensus exists. Among the many comments on the draft TS was a suggestion that certain of the statistical comparisons described in the TS could be better implemented if analytical results, even when below a reporting limit, were to be reported by analytical laboratories. See Appendix 1 for a review of terminology related to reporting limits. The Beryllium Health and Safety Committee (BHSC) formed a Sampling and Analysis Subcommittee (SAS) in 2003. The SAS established a working group on accreditation and reporting limits. By 2006 it had become evident that the issues extended to data reporting as a whole. The SAS proposed to the BHSC the formation of a Data Reporting Task Force (DRTF) to consider issues related to data reporting. The BHSC Board agreed, and requested that the DRTF generate a white paper, to be offered by the BHSC to potential interested parties such as the DOE policy office that is responsible for beryllium health and safety policy. It was noted that additional products could include detailed guidance and potentially a journal article in the future. The SAS proposed that DRTF membership represent the affected disciplines (chemists, industrial hygiene professionals and statisticians, and the DOE office that is responsible for beryllium health and safety policy). The BHSC Board decided that DRTF membership should come from DOE sites, since the focus would be on reporting in the context of the TS and the Rule. The DRTF came into existence in late 2006. The DRTF membership includes industrial hygienists, analytical chemists and laboratory managers, members of the regulatory and oversight community, and environmental statisticians. A first White Paper, ''Summary of Issues and Path Forward'', was reviewed by the BHSC in March 2007 and issued by the DRTF in June 2007. It describes the charter of the DRTF, introduces some basic terminology (reproduced here in Appendix 1), lays out the issues the DRTF is expected to address, and describes a path forward for the DRTF's work. This first White Paper is available through the BHSC web site. This White Paper presents recommendations developed by the DRTF following the process laid out in that first White Pap

  1. Effects of Mitigative Measures on Productivity of White Sturgeon Populations in the Columbia River Downstream from McNary Dam; Determine Status and Habitat Requirements of White Sturgeon Populations in the Columbia and Snake Rivers Upstream from McNary Dam, 1996-1997 Annual Report.

    SciTech Connect (OSTI)

    Ward, David L.

    1998-02-01

    This report focuses on work performed from April 1996 through March 1997 to update life history parameters and population dynamics of white sturgeon in John Day Reservoir.

  2. Head-on collisions of binary white dwarf-neutron stars: Simulations in full general relativity

    SciTech Connect (OSTI)

    Paschalidis, Vasileios; Etienne, Zachariah; Liu, Yuk Tung; Shapiro, Stuart L.

    2011-03-15

    We simulate head-on collisions from rest at large separation of binary white dwarf-neutron stars (WDNSs) in full general relativity. Our study serves as a prelude to our analysis of the circular binary WDNS problem. We focus on compact binaries whose total mass exceeds the maximum mass that a cold-degenerate star can support, and our goal is to determine the fate of such systems. A fully general relativistic hydrodynamic computation of a realistic WDNS head-on collision is prohibitive due to the large range of dynamical time scales and length scales involved. For this reason, we construct an equation of state (EOS) which captures the main physical features of neutron stars (NSs) while, at the same time, scales down the size of white dwarfs (WDs). We call these scaled-down WD models 'pseudo-WDs (pWDs)'. Using pWDs, we can study these systems via a sequence of simulations where the size of the pWD gradually increases toward the realistic case. We perform two sets of simulations; One set studies the effects of the NS mass on the final outcome, when the pWD is kept fixed. The other set studies the effect of the pWD compaction on the final outcome, when the pWD mass and the NS are kept fixed. All simulations show that after the collision, 14%-18% of the initial total rest mass escapes to infinity. All remnant masses still exceed the maximum rest mass that our cold EOS can support (1.92M{sub {center_dot}}), but no case leads to prompt collapse to a black hole. This outcome arises because the final configurations are hot. All cases settle into spherical, quasiequilibrium configurations consisting of a cold NS core surrounded by a hot mantle, resembling Thorne-Zytkow objects. Extrapolating our results to realistic WD compactions, we predict that the likely outcome of a head-on collision of a realistic, massive WDNS system will be the formation of a quasiequilibrium Thorne-Zytkow-like object.

  3. Bio-Treatment of Energetic Materials Using White-Rot Fungus

    SciTech Connect (OSTI)

    MM Shah

    1998-11-12

    The nitramine explosive, octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX), is used by militaries around the world in high yield munitions and often in combination with hexahydro- 1,3,5-trirdtro- 1,3,5- triazine (RDX). Improper handling and disposal of manufacturing wastewater may lead to environmental contamination. In the past wastewater was collected in disposal lagoons where it evaporated, and deposited large amounts of explosives on the lagoon floor. Although lagoon disposal is no longer practiced, thousands of acres have been already contaminated. RDX and, to a lesser extent, HMX have leached through the soil subsurface and contaminated groundwater ( 1,2). Likewjse, burning of substandard material or demilitarization of out-of-date muriitions has also led to environmental contamination. The current stockpile of energetic materials at DOE sites requires resource recovery or disposition (RRD). A related challenge exists in the clean-up of the DOE sites where soil and ground water are contaminated with explosives. Current technologies such as incineration, molten salt process, supercritical water oxidation are expensive and have technical hurdles. Open burning and open detonation(OB/OD) is not encouraged by regulatory agencies for disposal of explosives. Hence, there is need for a safe . technology to degrade these contaminants. The fi.mgal process does not employ open burning or open detonation to destroy energetic materials. The fimgal process can be used by itself, or it can augment or support other technologies for the treatment of energetic materials. The proposed enzyme technology will not release any air pollutants and will meet the regulations of Clean Air Act amendments, the Resource Conservation and Recovery Act, and the Federal. Facilities Compliance Act. The goal for this project was to test the ability of white-rot fungus to degrade HMX. In our study, we investigated the biodegradation of HMX using white-rot fungus in liquid and solid cultures. The degradation of HMX was studied at 1, 10, 100 and 1000 ppm levels. In all cases, HMX was degraded. In general, the rate of degradation of HMX increased with increase in HMX concentration. Because of encouraging findings, further optimization of this method and eventual field testing of this technology is recommended. This research was pefiormed in collaboration with Utah State University.

  4. VBB-0038- In the Matter of Ann Johndro-Collins

    Broader source: Energy.gov [DOE]

    This letter concerns the complaint of reprisal that you submitted to the Department of Energy under 10 C.F.R. Part 708. You have filed a petition for Secretarial review of the appeal decision...

  5. ORISE: Ann Gehl named new manager of Beryllium Lymphocyte Proliferatio...

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

    individuals at higher risk of developing Chronic Beryllium Disease that scars the lungs. In 2013, the lab processed nearly 4,100 such tests without a single error. Located in...

  6. v7DOE OIG SemiAnn RPT.qxd

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

    Front Cover From left to right: A barge shown docked at Phillips Terminal at the Strategic Petroleum Reserve in Bryan Mound, Texas. Wind turbines at Storm Lake, Iowa. High pressure water being used to blast salt cake into manageable fragments in a waste tank mockup at the Hanford Site. The McNary Dam, which is one entity of the Bonneville Power Administration's responsibility for transmission and wholesale marketing of power generated at dams in the Federal River Power System. A sodium cooled

  7. DOE OIG SemiAnn RPT 10-07.qxd

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

    U.S. DEPARTMENT OF ENERGY OFFICE OF INSPECTOR GENERAL DOEIG-0053 Front Cover Photographs (Clockwise) Heliostats and Solar Two's tower collect and store enough thermal energy to ...

  8. DOE Ann Perf Rpt 12-06.qxd

    Energy Savers [EERE]

    ANNUAL PERFORMANCE REPORT FY 2006 ANNUAL PERFORMANCE PLAN FY 2007 U.S. DEPARTMENT OF ENERGY OFFICE OF INSPECTOR GENERAL THIS PAGE INTENTIONALLY LEFT BLANK Message from the Inspector General I am pleased to present the Office of Inspector General's (OIG's) combined Fiscal Year 2006 Annual Performance Report and Fiscal Year 2007 Annual Performance Plan. During Fiscal Year (FY) 2006, we examined a variety of issues of vital importance to the Department of Energy and the Nation. Our efforts

  9. DOE OIG SemiAnn RPT 10-06.qxd

    Energy Savers [EERE]

    clockwise from top left) Wind power turbine located at Altamont Pass near Livermore, California The Gammasphere, designed to detect and analyze gamma rays, in the final assembly phase at Lawrence Berkeley National Laboratory Helicopter transporting power line equipment for the development of the Snettisham Project in Alaska Welding on a low beta quadropole magnet at Fermilab Dish solar power system at the Arizona Public Service Solar Test and Research Center Office of Inspector General Gregory

  10. Powering Up the Women's Procurement Program Presenters: Ann Sullivan...

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

    ... 8139 Business, Professional, Labor, Political and Similar Organizations 15 GETTING ... If a WOSB chooses to obtain third-party certification, they must obtain ...

  11. Mary Ann Fresco receives OPM award for creating, fostering inclusive...

    National Nuclear Security Administration (NNSA)

    She recently participated in an interagency detail to OPM where she led change and ... She led OPM's external initiative by partnering, collaborating and networking with more ...

  12. August 19, 2014 Ann Shikany Department of Energy

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

    you're doing to accommodate their needs. Open Cultural and Environmental Resource Databases to Community Keep an ongoing list of places to protect and the flora and fauna the...

  13. Sandia National Laboratories: Bioscience at SNL-NM: People: Anne...

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

    in which she continues to research cyanobacteria and algae for biofuel production. ... Systems-Level Synthetic Biology for Advanced Biofuel Production Strain development for ...

  14. Remarks at the CRL Completion Ceremony by Anne M. Harrington...

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

    with South Africa to produce the first delivery of the critical medical isotope Molybdenum-99 that was produced without the use of highly enriched uranium. The President...

  15. Energy Principles into High School Physics Dr. Ann Reimers, Albert...

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

    Debate Resources 8 * Reliable sources - NIH http:www.niehs.nih.govhealthtopicsagentsemf - NIH http:www.cancer.govabout-cancercauses- preventionriskradiation...

  16. Microsoft Word - S06815_2010 Ann Rpt

    Office of Legacy Management (LM)

    1-1 1.0 Introduction This report evaluates the performance of the groundwater remediation system at the Shiprock, New Mexico, Disposal and Processing Site for the period April 2009 through March 2010. The Shiprock site, a former uranium-ore processing facility under the Uranium Mill Tailings Radiation Control Act (UMTRCA), is managed by the U.S. Department of Energy (DOE) Office of Legacy Management. The mill operated from 1954 to 1968; mill tailings were contained in an engineered disposal cell

  17. Microsoft Word - S06815_2010 Ann Rpt

    Office of Legacy Management (LM)

    2-1 2.0 Subsurface Conditions This section summarizes hydraulic and water-quality characteristics of the floodplain and terrace groundwater systems for the April 2009 through March 2010 reporting period, approximately 7 years after the startup of the treatment system. 2.1 Floodplain Subsurface Conditions The following discussion of current subsurface conditions in the floodplain is based on the collection and analysis of groundwater samples and groundwater level data through March 2010. Analyses

  18. Microsoft Word - S06815_2010 Ann Rpt

    Office of Legacy Management (LM)

    Doc. No. S06815 Page 3-1 3.0 Remediation System Performance This section describes the key components of the floodplain and terrace groundwater remediation systems and summarizes their performance for the 2009-2010 reporting period. 3.1 Floodplain Remediation System The floodplain remediation system consists of the three major components shown in Figure 1-1: two extraction wells (wells 1089 and 1104); two drainage trenches (horizontal wells), Trench 1 and Trench 2; and a sump (collection drain)

  19. Microsoft Word - S06815_2010 Ann Rpt

    Office of Legacy Management (LM)

    4-1 4.0 Performance Summary This section summarizes the findings of the most recent (April 2009 through March 2010) assessment of the floodplain and terrace groundwater remediation systems at the Shiprock site, marking the end of the seventh year of active groundwater remediation. * Groundwater in the floodplain system is currently being extracted from two wells (wells 1089 and 1104) adjacent to the San Juan River north of the disposal cell, two collection trenches (Trench 1 and Trench 2), and a

  20. Microsoft Word - S06815_2010 Ann Rpt

    Office of Legacy Management (LM)

    5-1 5.0 Recommendations The following recommendations are provided to help improve the performance and evaluation of the Shiprock remediation system: * The floodplain extraction system appears to be functioning as expected. The addition of the two trenches at the base of the escarpment enhances the removal of contaminant mass from groundwater in the alluvium. However, given the success demonstrated in the previous evaluation of Trench 2 (DOE 2009b), DOE is proposing similar instrumentation and

  1. Microsoft Word - S06815_2010 Ann Rpt

    Office of Legacy Management (LM)

    6-1 6.0 References ATSDR (Agency for Toxic Substances and Disease Registry), 2004. Toxicological Profile for Strontium, U.S. Department Of Health And Human Services, Public Health Service, April. DOE (U.S. Department of Energy), 1994. Baseline Risk Assessment of Ground Water Contamination at the Uranium Mill Tailings Site at Shiprock, New Mexico, DOE/AL/62350-48F, Rev. 1, April. DOE (U.S. Department of Energy), 2000. Final Site Observational Work Plan for the Shiprock, New Mexico, UMTRA Project

  2. Anne Harrington at Sandia National Labs | National Nuclear Security

    National Nuclear Security Administration (NNSA)

    Administration at Sandia National Labs | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Countering Nuclear Terrorism About Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Library Bios Congressional Testimony Fact Sheets Newsletters Press Releases Photo Gallery Jobs Apply for Our Jobs

  3. Microsoft Word - S04378_AnnRep.doc

    Office of Legacy Management (LM)

    7 Through March 2008 for the Shiprock, New Mexico, Site September 2008 Office of Legacy Management LMS/SHP/S04378 Work Performed Under DOE Contract No. for the U.S. Department of Energy Office of Legacy Management. DE-AM01-07LM00060 Approved for public release; distribution is unlimited. Office of Legacy Management Office of Legacy Management Office of Legacy Management U.S. Department of Energy This page intentionally left blank LMS/SHP/S04378 Annual Performance Report April 2007 Through March

  4. Microsoft Word - S04877_AnnInspRpt2008.doc

    Office of Legacy Management (LM)

    Annual Inspection of the Monticello Mill Tailings (USDOE) and Monticello Radioactively Contaminated Properties Sites December 2008 LMS/MNT/S04877 This page intentionally left blank LMS/MNT/S04877 2008 Annual Inspection of the Monticello Mill Tailings (USDOE) and Monticello Radioactively Contaminated Properties Sites December 2008 This page intentionally left blank U.S. Department of Energy 2008 Annual Inspection-Monticello, Utah December 2008 Doc. No. S487700 Page i Contents Executive

  5. Microsoft Word - S06815_2010 Ann Rpt

    Office of Legacy Management (LM)

    9 Through March 2010 for the Shiprock, New Mexico, Site December 2010 LMS/SHP/S06815 This page intentionally left blank LMS/SHP/S06815 Annual Performance Report April 2009 Through March 2010 for the Shiprock, New Mexico, Site December 2010 This page intentionally left blank U.S. Department of Energy Annual Performance Report, Shiprock, New Mexico December 2010 Doc. No. S06815 Page i Contents Abbreviations

  6. Anne Harrington tours new National Security Campus | National Nuclear

    National Nuclear Security Administration (NNSA)

    Security Administration tours new National Security Campus | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Countering Nuclear Terrorism About Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Library Bios Congressional Testimony Fact Sheets Newsletters Press Releases Photo Gallery Jobs

  7. Biographical sketch - Anne Jones | Center for Bio-Inspired Solar...

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

    Biological Inorganic Chemistry, Chemical Reviews, Dalton Transactions, Physical Chemistry Chemical Physics, Electrochemistry Communications, Journal of Electroanalytical Chemistry...

  8. DOE Ann Perf Rpt 11-08.qxd

    Office of Environmental Management (EM)

    ANNUAL PERFORMANCE REPORT FY 2008 ANNUAL PERFORMANCE PLAN FY 2009 U.S. DEPARTMENT OF ENERGY OFFICE OF INSPECTOR GENERAL THIS PAGE INTENTIONALLY LEFT BLANK Message from the Inspector General I am pleased to present the Office of Inspector General's (OIG) combined Fiscal Year 2008 Annual Performance Report and Fiscal Year 2009 Annual Performance Plan. During Fiscal Year (FY) 2008, we reviewed a variety of critical areas relevant to the Department's mission priorities. One of our goals, for

  9. Microsoft Word - S08711_2011AnnRpt

    Office of Legacy Management (LM)

    1 March 2012 Approved for public release; further dissemination unlimited LMS/SAL/S08711 Available for sale to the public from: U.S. Department of Commerce National Technical Information Service 5301 Shawnee Road Alexandria, VA 22312 Telephone: 800.553.6847 Fax: 703.605.6900 E-mail: orders@ntis.gov Online Ordering: http://www.ntis.gov/help/ordermethods.aspx Available for a processing fee to U.S. Department of Energy and its contractors, in paper, from: U.S. Department of Energy Office of

  10. Out of the white hole: a holographic origin for the Big Bang

    SciTech Connect (OSTI)

    Pourhasan, Razieh; Afshordi, Niayesh; Mann, Robert B. E-mail: nafshordi@pitp.ca

    2014-04-01

    While most of the singularities of General Relativity are expected to be safely hidden behind event horizons by the cosmic censorship conjecture, we happen to live in the causal future of the classical Big Bang singularity, whose resolution constitutes the active field of early universe cosmology. Could the Big Bang be also hidden behind a causal horizon, making us immune to the decadent impacts of a naked singularity? We describe a braneworld description of cosmology with both 4d induced and 5D bulk gravity (otherwise known as Dvali-Gabadadze-Porati, or DGP model), which exhibits this feature: the universe emerges as a spherical 3-brane out of the formation of a 5D Schwarzschild black hole. In particular, we show that a pressure singularity of the holographic fluid, discovered earlier, happens inside the white hole horizon, and thus need not be real or imply any pathology. Furthermore, we outline a novel mechanism through which any thermal atmosphere for the brane, with comoving temperature of ?20% of the 5D Planck mass can induce scale-invariant primordial curvature perturbations on the brane, circumventing the need for a separate process (such as cosmic inflation) to explain current cosmological observations. Finally, we note that 5D space-time is asymptotically flat, and thus potentially allows an S-matrix or (after minor modifications) an AdS/CFT description of the cosmological Big Bang.

  11. Type Ia supernovae from merging white dwarfs. II. Post-merger detonations

    SciTech Connect (OSTI)

    Raskin, Cody; Kasen, Daniel [Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA (United States); Moll, Rainer; Woosley, Stan [Department of Physics and Department of Astronomy, University of California, Santa Cruz, CA (United States); Schwab, Josiah [Department of Physics and Department of Astronomy, University of California, Berkeley, CA (United States)

    2014-06-10

    Merging carbon-oxygen (CO) white dwarfs are a promising progenitor system for Type Ia supernovae (SNe Ia), but the underlying physics and timing of the detonation are still debated. If an explosion occurs after the secondary star is fully disrupted, the exploding primary will expand into a dense CO medium that may still have a disk-like structure. This interaction will decelerate and distort the ejecta. Here we carry out multidimensional simulations of 'tamped' SN Ia models, using both particle and grid-based codes to study the merger and explosion dynamics and a radiative transfer code to calculate synthetic spectra and light curves. We find that post-merger explosions exhibit an hourglass-shaped asymmetry, leading to strong variations in the light curves with viewing angle. The two most important factors affecting the outcome are the scale height of the disk, which depends sensitively on the binary mass ratio, and the total {sup 56}Ni yield, which is governed by the central density of the remnant core. The synthetic broadband light curves rise and decline very slowly, and the spectra generally look peculiar, with weak features from intermediate mass elements but relatively strong carbon absorption. We also consider the effects of the viscous evolution of the remnant and show that a longer time delay between merger and explosion probably leads to larger {sup 56}Ni yields and more symmetrical remnants. We discuss the relevance of this class of aspherical 'tamped' SN Ia for explaining the class of 'super-Chandrasekhar' SN Ia.

  12. THE BIRTH RATE OF SNe Ia FROM HYBRID CONe WHITE DWARFS

    SciTech Connect (OSTI)

    Meng, Xiangcun [Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011 (China); Podsiadlowski, Philipp, E-mail: xiangcunmeng@ynao.ac.cn [Department of Astronomy, Oxford University, Oxford OX1 3RH (United Kingdom)

    2014-07-10

    Considering the uncertainties of the C-burning rate (CBR) and the treatment of convective boundaries, Chen et al. found that there is a regime where it is possible to form hybrid CONe white dwarfs (WDs), i.e., ONe WDs with carbon-rich cores. As these hybrid WDs can be as massive as 1.30 M {sub ?}, not much mass needs to be accreted for these objects to reach the Chandrasekhar limit and to explode as Type Ia supernovae (SNe Ia). We have investigated their contribution to the overall SN Ia birth rate and found that such SNe Ia tend to be relatively young with typical time delays between 0.1 and 1 Gyr, where some may be as young as 30 Myr. SNe Ia from hybrid CONe WDs may contribute several percent to all SNe Ia, depending on the common-envelope ejection efficiency and the CBR. We suggest that these SNe Ia may produce part of the 2002cx-like SN Ia class.

  13. Revolutionary Method for Increasing the Efficiency of White Light Quantum Dot LEDs

    SciTech Connect (OSTI)

    Duty, Chad E [ORNL; Bennett, Charlee J C [ORNL; Sabau, Adrian S [ORNL; Jellison Jr, Gerald Earle [ORNL; Boudreaux, Philip R [ORNL; Walker, Steven C [ORNL; Ott, Ronald D [ORNL

    2011-01-01

    Covering a light-emitting diode (LED) with quantum dots (QDs) can produce a broad spectrum of white light. However, current techniques for applying QDs to LEDs suffer from a high density of defects and a non-uniform distribution of QDs, which respec-tively diminish the efficiency and quality of emitted light. Oak Ridge National Laboratory (ORNL) has the unique capability to thermally anneal QD structures at extremely high power densities for very short durations. This process, called pulse thermal proc-essing (PTP), reduces the number of point defects while main-taining the size and shape of the original QD nanostructure. Therefore, the efficiency of the QD wavelength conversion layer is improved without altering the emission spectrum defined by the size distribution of the quantum dot nanoparticles. The cur-rent research uses a thermal model to predict annealing tempera-tures during PTP and demonstrates up to a 300% increase in pho-toluminescence for QDs on passive substrates

  14. INITIAL EVALUATION OF A PULSED WHITE SPECTRUM NEUTRON GENERATOR FOR EXPLOSIVE DETECTION

    SciTech Connect (OSTI)

    King, Michael J.; Miller, Gill T.; Reijonen, Jani; Ji, Qing; Andresen, Nord; Gicquel,, Frederic; Kavlas, Taneli; Leung, Ka-Ngo; Kwan, Joe

    2008-06-02

    Successful explosive material detection in luggage and similar sized containers is acritical issue in securing the safety of all airline passengers. Tensor Technology Inc. has recently developed a methodology that will detect explosive compounds with pulsed fast neutron transmission spectroscopy. In this scheme, tritium beams will be used to generate neutrons with a broad energy spectrum as governed by the T(t,2n)4He fission reaction that produces 0-9 MeV neutrons. Lawrence Berkeley National Laboratory (LBNL), in collaboration with Tensor Technology Inc., has designedand fabricated a pulsed white-spectrum neutron source for this application. The specifications of the neutron source are demanding and stringent due to the requirements of high yield and fast pulsing neutron emission, and sealed tube, tritium operation. In a unique co-axial geometry, the ion source uses ten parallel rf induction antennas to externally couple power into a toroidal discharge chamber. There are 20 ion beam extraction slits and 3 concentric electrode rings to shape and accelerate the ion beam into a titanium cone target. Fast neutron pulses are created by using a set ofparallel-plate deflectors switching between +-1500 volts and deflecting the ion beams across a narrow slit. The generator is expected to achieve 5 ns neutron pulses at tritium ion beam energies between 80 - 120 kV. First experiments demonstrated ion source operation and successful beam pulsing.

  15. A white noise approach to the Feynman integrand for electrons in random media

    SciTech Connect (OSTI)

    Grothaus, M. Riemann, F.; Suryawan, H. P.

    2014-01-15

    Using the Feynman path integral representation of quantum mechanics it is possible to derive a model of an electron in a random system containing dense and weakly coupled scatterers [see F. Edwards and Y. B. Gulyaev, The density of states of a highly impure semiconductor, Proc. Phys. Soc. 83, 495496 (1964)]. The main goal of this paper is to give a mathematically rigorous realization of the corresponding Feynman integrand in dimension one based on the theory of white noise analysis. We refine and apply a Wick formula for the product of a square-integrable function with Donsker's delta functions and use a method of complex scaling. As an essential part of the proof we also establish the existence of the exponential of the self-intersection local times of a one-dimensional Brownian bridge. As a result we obtain a neat formula for the propagator with identical start and end point. Thus, we obtain a well-defined mathematical object which is used to calculate the density of states [see, e.g., F. Edwards and Y. B. Gulyaev, The density of states of a highly impure semiconductor, Proc. Phys. Soc. 83, 495496 (1964)].

  16. DETECTION OF WHITE DWARF COMPANIONS TO BLUE STRAGGLERS IN THE OPEN CLUSTER NGC188: DIRECT EVIDENCE FOR RECENT MASS TRANSFER

    SciTech Connect (OSTI)

    Gosnell, Natalie M.; Mathieu, Robert D.; Geller, Aaron M.; Sills, Alison; Leigh, Nathan; Knigge, Christian

    2014-03-01

    Several possible formation pathways for blue straggler stars have been developed recently, but no one pathway has yet been observationally confirmed for a specific blue straggler. Here we report the first findings from a Hubble Space Telescope Advanced Camera for Surveys/Solar Blind Channel far-UV photometric program to search for white dwarf companions to blue straggler stars. We find three hot and young white dwarf companions to blue straggler stars in the 7Gyr open cluster NGC188, indicating that mass transfer in these systems ended less than 300Myr ago. These companions are direct and secure observational evidence that these blue straggler stars were formed through mass transfer in binary stars. Their existence in a well-studied cluster environment allows for observational constraints of both the current binary system and the progenitor binary system, mapping the entire mass transfer history.

  17. Microsoft PowerPoint - 1_JESSICA_WHITE-HORTON_NMMSS_2014_JWH+5714+PTS.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

    Emerging Technologies to Improve Accountability and Safeguards Jessica White-Horton, Oak Ridge National Laboratory Overview  Nonproliferation Concerns/Safeguards Challenges  Next Generation Safeguards Initiative - 5 Year Program  Technology Assessment  Stakeholders Meeting, April 2014 2 Nonproliferation Concerns  Approximately 20,000 cylinders are in active circulation at any time - Each cylinder can contain ~50 kg of 235 U equivalent to 2 significant quantities (SQs) of Highly

  18. Geology and chemical analyses of coal, Mesaverde Group (Cretaceous), Lower White River coal field, Moffat and Rio Blanco Counties, Colorado

    SciTech Connect (OSTI)

    Hildebrand, R.T.; Garrigues, R.S.

    1981-01-01

    The Lower White River coal field comprises an area of approximately 930 square miles underlain by coal-bearing strata in Moffat and Rio Blanco Counties, northwestern Colorado (Landis, 1959; Hornbaker and others, 1976). The field lies along the northwestern edge of the Piceance Creek basin near the Utah border. Significant coal deposits in the Lower White River field occur in the Mesaverda Group of Late Cretaceous age; original resources are estimated to be as much as 11,763 million short tons to a depth of 6000 feet (Hornbaker and others, 1976). A total of 13 samples of coal (10 core samples and 3 samples of drill cuttings) were collected from five drill holes in the northwestern part of the Lower White River field during exploratory drilling conducted by the US Geological Survey in 1976 (see Garrigues, 1976; Barnum and others, 1977). These samples represent several coal beds in the middle part of the Mesaverde Group. Table 1 gives brief descriptions of the samples; the general geology of the area and sample localities are shown in figure 2.

  19. High performance flexible top-emitting warm-white organic light-emitting devices and chromaticity shift mechanism

    SciTech Connect (OSTI)

    Shi, Hongying; Deng, Lingling; Chen, Shufen E-mail: wei-huang@njupt.edu.cn; Xu, Ying; Zhao, Xiaofei; Cheng, Fan; Huang, Wei E-mail: wei-huang@njupt.edu.cn; Jiangsu-Singapore Joint Research Center for Organic/Bio- Electronics and Information Displays and Institute of Advanced Materials, Nanjing University of Technology, Nanjing 211816

    2014-04-15

    Flexible warm-white top-emitting organic light-emitting devices (TEOLEDs) are fabricated onto PET substrates with a simple semi-transparent cathode Sm/Ag and two-color phosphors respectively doped into a single host material TCTA. By adjusting the relative position of the orange-red EML sandwiched between the blue emitting layers, the optimized device exhibits the highest power/current efficiency of 8.07 lm/W and near 13 cd/A, with a correlated color temperature (CCT) of 4105 K and a color rendering index (CRI) of 70. In addition, a moderate chromaticity variation of (-0.025, +0.008) around warm white illumination coordinates (0.45, 0.44) is obtained over a large luminance range of 1000 to 10000 cd/m{sup 2}. The emission mechanism is discussed via delta-doping method and single-carrier device, which is summarized that the carrier trapping, the exciton quenching, the mobility change and the recombination zone alteration are negative to color stability while the energy transfer process and the blue/red/blue sandwiched structure are contributed to the color stability in our flexible white TEOLEDs.

  20. VAMDC FP7 project and STARK-B database: C II Stark broadening parameters for white dwarf atmospheres research

    SciTech Connect (OSTI)

    Larbi-Terzi, Neila; Ben Nessib, Nebil; Sahal-Brechot, Sylvie; Dimitrijevic, Milan S.

    2010-11-23

    Stark broadening parameters of C II lines were determined within 3s-np spectral series within the semiclassical perturbation method. The atomic energy levels needed for calculations were taken from TOPBASE as well as the oscillator strengths, calculated additionally using the Coulomb approximation (the method of Bates and Damgaard). The both results were compared and the disagreement is found only in one case where the configuration mixing allows a forbidden transition to a close perturbing energy level. Calculations were performed for plasma conditions relevant for atmospheres of DQ white dwarfs and for a new type of white dwarfs, with surface composed mostly of carbon, discovered in 2007 by Dufour et al.. The aim of this work is to provide accurate C II Stark broadening data, which are crucial for this type of white dwarf atmosphere modellisation. Obtained results will be included in STARK-B database (http://stark-b.obspm.fr/), entering in the FP7 project of European Virtual Atomic and Molecular Data Center VAMDC aiming at building an interoperable e-Infrastructure for the exchange of atomic and molecular data (http://www.vamdc.org/).

  1. Movements of White Sturgeon in Lake Roosevelt : Final Report 1988-1991.

    SciTech Connect (OSTI)

    Brannon, E.L.; Setter, Ann L.

    1992-06-01

    Historically, white sturgeon moved throughout the Columbia River system, ranging freely from the estuary to the headwaters, with the possible exception of limited passage at Cascades, Celilo and Kettle Falls during spring floods. Construction of Rock Island Dam in 1933, followed by Bonneville in 1938 and Grand Coulee in 1941, completely disrupted sturgeon migratory opportunity, and with the 17 successive Columbia and Snake river dams constructed over the next 32 years an entirely different river system was created for the species. Sturgeon caught between dams were essentially isolated populations with severely limited reproduction potential. Some reservoirs ran from dam to dam with no river habitat remaining, while other reaches had various lengths of free running river, but drastically reduced from historical situations. However, if reservoirs provide habitat for sturgeon use, and therefore compensate to some degree for river loss, the major limiting factors associated with population viability may be reduced spawning success, either from lack of suitable area or poor incubation environments. The most upstream impoundment of the Columbia River in the United States is Lake Roosevelt, behind Grand Coulee Dam. If sturgeon don`t use Lake Roosevelt the capacity of the system to sustain a large sturgeon population would be understandably limited, and much reduced from the pre-dam era. In general this study found that sturgeon spawner aggregations from early spring to mid- summer depend most heavily on the timing of increasing water temperature. In the spring the water temperatures seem to stimulate the fish to start feeding and leave deep pools. The summer provides access to broader and shallower areas for food. The study on sturgeon movement was an attempt to define habitat use in such a reservoir/river system.

  2. Late Pleistocene landslide-dammed lakes along the Rio Grande, White Rock Canyon, New Mexico

    SciTech Connect (OSTI)

    Reneau, S.L.; Dethier, D.P.

    1996-11-01

    Massive slump complexes composed of Pliocene basaltic rocks and underlying Miocene and Pliocene sediments flank the Rio Grande along 16 km of northern White Rock Canyon, New Mexico. The toe area of at least one slump complex was active in the late Pleistocene, damming the Rio Grande at least four times during the period from 18 to 12 {sup 14}C ka and impounding lakes that extended 10-20 km upriver. Stratigraphic relationships and radiocarbon age constraints indicate that three separate lakes formed between 13.7 and 12.4 {sup 14}C ka. The age and dimensions of the ca. 12.4 ka lake are best constrained; it had an estimated maximum depth of {approx}30 m, a length of {approx}13 km, a surface area of {approx}2.7 km{sup 2}, and an initial volume of {approx}2.5 x 10{sup 7} m{sup 3}. The youngest landslide-dammed lakes formed during a period of significantly wetter regional climate, strongly suggesting that climate changes were responsible for reactivation of the slump complexes. We are not certain about the exact triggering mechanisms for these landslides, but they probably involved removal of lateral support due to erosion of the slope base by the Rio Grande during periods of exceptionally high flood discharge or rapid incision; increased pore pressures associated with higher water tables; higher seepage forces at sites of ground-water discharge; or some combination of these processes. Seismic shaking could also have contributed to triggering of some of the landslides, particularly if aided by wet antecedent conditions. 54 refs., 19 figs., 3 tabs.

  3. THE WIRED SURVEY. II. INFRARED EXCESSES IN THE SDSS DR7 WHITE DWARF CATALOG

    SciTech Connect (OSTI)

    Debes, John H.; Leisawitz, David T.; Hoard, D. W.; Wachter, Stefanie; Cohen, Martin

    2011-12-01

    With the launch of the Wide-field Infrared Survey Explorer (WISE), a new era of detecting planetary debris and brown dwarfs (BDs) around white dwarfs (WDs) has begun with the WISE InfraRed Excesses around Degenerates (WIRED) Survey. The WIRED Survey is sensitive to substellar objects and dusty debris around WDs out to distances exceeding 100 pc, well beyond the completeness level of local WDs. In this paper, we present a cross-correlation of the preliminary Sloan Digital Sky Survey (SDSS) Data Release 7 (DR7) WD catalog between the WISE, Two-Micron All Sky Survey (2MASS), UKIRT Infrared Deep Sky Survey (UKIDSS), and SDSS DR7 photometric catalogs. From {approx}18,000 input targets, there are WISE detections comprising 344 'naked' WDs (detection of the WD photosphere only), 1020 candidate WD+M dwarf binaries, 42 candidate WD+BD systems, 52 candidate WD+dust disk systems, and 69 targets with indeterminate infrared excess. We classified all of the detected targets through spectral energy distribution model fitting of the merged optical, near-IR, and WISE photometry. Some of these detections could be the result of contaminating sources within the large ( Almost-Equal-To 6'') WISE point-spread function; we make a preliminary estimate for the rates of contamination for our WD+BD and WD+disk candidates and provide notes for each target of interest. Each candidate presented here should be confirmed with higher angular resolution infrared imaging or infrared spectroscopy. We also present an overview of the observational characteristics of the detected WDs in the WISE photometric bands, including the relative frequencies of candidate WD+M, WD+BD, and WD+disk systems.

  4. The white dwarfs within 25 pc of the Sun: Kinematics and spectroscopic subtypes

    SciTech Connect (OSTI)

    Sion, Edward M.; McCook, George P.; Wasatonic, Richard; Myszka, Janine; Holberg, J. B.; Oswalt, Terry D. E-mail: george.mccook@villanova.edu E-mail: janine.myszka@villanova.edu E-mail: toswalt@fit.edu

    2014-06-01

    We present the fractional distribution of spectroscopic subtypes, range and distribution of surface temperatures, and kinematical properties of the white dwarfs (WDs) within 25 pc of the Sun. There is no convincing evidence of halo WDs in the total 25 pc sample of 224 WDs. There is also little to suggest the presence of genuine thick disk subcomponent members within 25 pc. It appears that the entire 25 pc sample likely belongs to the thin disk. We also find no significant kinematic differences with respect to spectroscopic subtypes. The total DA to non-DA ratio of the 25 pc sample is 1.8, a manifestation of deepening envelope convection, which transforms DA stars with sufficiently thin H surface layers into non-DAs. We compare this ratio with the results of other studies. We find that at least 11% of the WDs within 25 pc of the Sun (the DAZ and DZ stars) have photospheric metals that likely originate from accretion of circumstellar material (debris disks) around them. If this interpretation is correct, then it suggests the possibility that a similar percentage have planets, asteroid-like bodies, or debris disks orbiting them. Our volume-limited sample reveals a pileup of DC WDs at the well-known cutoff in DQ WDs at T {sub eff} ? 6000 K. Mindful of small number statistics, we speculate on its possible evolutionary significance. We find that the incidence of magnetic WDs in the 25 pc sample is at least 8% in our volume-limited sample, dominated by cool WDs. We derive approximate formation rates of DB and DQ degenerates and present a preliminary test of the evolutionary scenario that all cooling DB stars become DQ WDs via helium convective dredge-up with the diffusion tail of carbon extending upward from their cores.

  5. ``White Land``...new Russian closed-cycle nuclear technology for global deployment

    SciTech Connect (OSTI)

    Bowman, C.D.

    1996-07-01

    A Russian technology called ``White Land`` is being pursued which is based on their heavy-metal-cooled fast spectrum reactor technology developed to power their super-fast Alpha Class submarines. These reactors have important safety advantages over the more conventional sodium-cooled fast breeder reactors but preserve some of the attractive operational features of the fast spectrum systems. Perhaps chief among these advantages in the current political milieu is their ability to generate energy from any nuclide heavier than thorium including HEU, weapons plutonium, commercial plutonium, neptunium, americium, and curium. While there are several scenarios for deployment of these systems, the most attractive perhaps is containment in submarine-like enclosures to be placed underwater near a coastal population center. A Russian organization named the Alphabet Company would build the reactors and maintain title to them. The company would be paid on the basis of kilowatt-hours delivered. The reactors would not require refueling for 10--15 years and no maintenance violating the radiation containment would be required or would be carried out at the deployment site. The host country need not develop any nuclear technology or accept any nuclear waste. When the fuel load has been burned, the entire unit would be towed to Archangel, Russia for refueling. The fission product would be removed from the fuel by ``dry`` molten salt technology to minimize the waste stream and the fissile material would be returned to the reactor for further burning. The fission product waste would be stored at New Land Island, their current nuclear test site in the Arctic. If concerns over fission product justify it, the long-lived species will be transmuted in an accelerator-driven system. Apparently this project is backed at the highest levels of MINATOM and the Alphabet Company has the funding to proceed.

  6. A New Correlation ECE Diagnostic for C-Mod and Progress on Transport...

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

    2:00pm to 3:30pm Colloquia MBG Auditorium A New Correlation ECE Diagnostic for C-Mod and Progress on Transport Model Validation Professor Anne White Massachusetts Institute of...

  7. Present and Future Computing Requirements

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

    Cosmology SciDAC-3 Project Ann Almgren (LBNL) Nick Gnedin (FNAL) Dave Higdon (LANL) Rob Ross (ANL) Martin White (UC Berkeley LBNL) Large Scale Production Computing and Storage...

  8. Phosphors for near UV-Emitting LED's for Efficacious Generation of White Light

    SciTech Connect (OSTI)

    McKittrick, Joanna

    2013-09-30

    1) We studied phosphors for near-UV (nUV) LED application as an alternative to blue LEDs currently being used in SSL systems. We have shown that nUV light sources could be very efficient at high current and will have significantly less binning at both the chip and phosphor levels. We identified phosphor blends that could yield 4100K lamps with a CRI of approximately 80 and LPWnUV,opt equal to 179 for the best performing phosphor blend. Considering the fact that the lamps were not optimized for light coupling, the results are quite impressive. The main bottleneck is an optimum blue phosphor with a peak near 440 nm with a full width half maximum of about 25 nm and a quantum efficiency of >95%. Unfortunately, that may be a very difficult task when we want to excite a phosphor at ~400 nm with a very small margin for Stokes shift. Another way is to have all the phosphors in the blend having the excitation peak at 400 nm or slightly shorter wavelength. This could lead to a white light source with no body color and optimum efficacy due to no self-absorption effects by phosphors in the blend. This is even harder than finding an ideal blue phosphor, but not necessarily impossible. 2) With the phosphor blends identified, light sources using nUV LEDs at high current could be designed with comparable efficacy to those using blue LEDs. It will allow us to design light sources with multiple wattages using the same chips and phosphor blends simply by varying the input current. In the case of blue LEDs, this is not currently possible because varying the current will lower the efficacy at high current and alter the color point. With improvement of phosphor blends, control over CRI could improve. Less binning at the chip level and also at the phosphor blend level could reduce the cost of SSL light sources. 3) This study provided a deeper understanding of phosphor characteristics needed for LEDs in general and nUV LEDs in particular. Two students received Ph.D. degrees and three undergraduates participated in this work. Two of the undergraduate students are now in graduate school. The results were widely disseminated 20 archival journal publications (published, accepted or in preparation) and three conference proceedings resulted. The students presented their work at 11 different national/international conferences (32 oral or poster presentations) and the PIs delivered 12 invited, keynote or plenary lectures.

  9. White Paper Summary of 2nd ASTM International Workshop on Hydrides in Zirconium Alloy Cladding

    SciTech Connect (OSTI)

    Sindelar, R.; Louthan, M.; PNNL, B.

    2015-05-29

    This white paper recommends that ASTM International develop standards to address the potential impact of hydrides on the long term performance of irradiated zirconium alloys. The need for such standards was apparent during the 2nd ASTM International Workshop on Hydrides in Zirconium Alloy Cladding and Assembly Components, sponsored by ASTM International Committee C26.13 and held on June 10-12, 2014, in Jackson, Wyoming. The potentially adverse impacts of hydrogen and hydrides on the long term performance of irradiated zirconium-alloy cladding on used fuel were shown to depend on multiple factors such as alloy chemistry and processing, irradiation and post irradiation history, residual and applied stresses and stress states, and the service environment. These factors determine the hydrogen content and hydride morphology in the alloy, which, in turn, influence the response of the alloy to the thermo-mechanical conditions imposed (and anticipated) during storage, transport and disposal of used nuclear fuel. Workshop presentations and discussions showed that although hydrogen/hydride induced degradation of zirconium alloys may be of concern, the potential for occurrence and the extent of anticipated degradation vary throughout the nuclear industry because of the variations in hydrogen content, hydride morphology, alloy chemistry and irradiation conditions. The tools and techniques used to characterize hydrides and hydride morphologies and their impacts on material performance also vary. Such variations make site-to-site comparisons of test results and observations difficult. There is no consensus that a single material or system characteristic (e.g., reactor type, burnup, hydrogen content, end-of life stress, alloy type, drying temperature, etc.) is an effective predictor of material response during long term storage or of performance after long term storage. Multi-variable correlations made for one alloy may not represent the behavior of another alloy exposed to identical conditions and the material responses to thermo-mechanical exposures will be different depending on the materials and systems used. The discussions at the workshop showed several gaps in the standardization of processes and techniques necessary to assess the long term performance of irradiated zirconium alloy cladding during dry storage and transport. The development of, and adherence to, standards to help bridge these gaps will strengthen the technical basis for long term storage and post-storage operations, provide consistency across the nuclear industry, maximize the value of most observations, and enhance the understanding of behavioral differences among alloys. The need for, and potential benefits of, developing the recommended standards are illustrated in the various sections of this report.

  10. An accreting white dwarf near the Chandrasekhar limit in the Andromeda galaxy

    SciTech Connect (OSTI)

    Tang, Sumin; Bildsten, Lars; Wolf, William M.; Li, K. L.; Kong, Albert K. H.; Cao, Yi; Kulkarni, Shrinivas R.; Perley, Daniel A.; Prince, Thomas A.; Cenko, S. Bradley; De Cia, Annalisa; Kasliwal, Mansi M.; Laher, Russ R.; Surace, Jason; Nugent, Peter E.

    2014-05-01

    The intermediate Palomar Transient Factory (iPTF) detection of the most recent outburst of the recurrent nova (RN) system RX J0045.4+4154 in the Andromeda galaxy has enabled the unprecedented study of a massive (M > 1.3 M {sub ?}) accreting white dwarf (WD). We detected this nova as part of the near-daily iPTF monitoring of M31 to a depth of R ? 21 mag and triggered optical photometry, spectroscopy and soft X-ray monitoring of the outburst. Peaking at an absolute magnitude of M{sub R} = 6.6 mag, and with a decay time of 1 mag per day, it is a faint and very fast nova. It shows optical emission lines of He/N and expansion velocities of 1900-2600 km s{sup 1} 1-4 days after the optical peak. The Swift monitoring of the X-ray evolution revealed a supersoft source (SSS) with kT {sub eff} ? 90-110 eV that appeared within 5 days after the optical peak, and lasted only 12 days. Most remarkably, this is not the first event from this system, rather it is an RN with a time between outbursts of approximately 1 yr, the shortest known. Recurrent X-ray emission from this binary was detected by ROSAT in 1992 and 1993, and the source was well characterized as a M > 1.3 M {sub ?} WD SSS. Based on the observed recurrence time between different outbursts, the duration and effective temperature of the SS phase, MESA models of accreting WDs allow us to constrain the accretion rate to M-dot >1.710{sup ?7} M{sub ?} yr{sup ?1} and WD mass >1.30 M {sub ?}. If the WD keeps 30% of the accreted material, it will take less than a Myr to reach core densities high enough for carbon ignition (if made of C/O) or electron capture (if made of O/Ne) to end the binary evolution.

  11. The 2011 outburst of recurrent nova T Pyx: X-ray observations expose the white dwarf mass and ejection dynamics

    SciTech Connect (OSTI)

    Chomiuk, Laura; Nelson, Thomas; Mukai, Koji; Rupen, Michael P.; Mioduszewski, Amy J.; Krauss, Miriam I.; Page, Kim L.; Osborne, Julian P.; Kuulkers, Erik; Roy, Nirupam

    2014-06-20

    The recurrent nova T Pyx underwent its sixth historical outburst in 2011, and became the subject of an intensive multi-wavelength observational campaign. We analyze data from the Swift and Suzaku satellites to produce a detailed X-ray light curve augmented by epochs of spectral information. X-ray observations yield mostly non-detections in the first four months of outburst, but both a super-soft and hard X-ray component rise rapidly after Day 115. The super-soft X-ray component, attributable to the photosphere of the nuclear-burning white dwarf, is relatively cool (?45 eV) and implies that the white dwarf in T Pyx is significantly below the Chandrasekhar mass (?1 M {sub ?}). The late turn-on time of the super-soft component yields a large nova ejecta mass (? 10{sup 5} M {sub ?}), consistent with estimates at other wavelengths. The hard X-ray component is well fit by a ?1 keV thermal plasma, and is attributed to shocks internal to the 2011 nova ejecta. The presence of a strong oxygen line in this thermal plasma on Day 194 requires a significantly super-solar abundance of oxygen and implies that the ejecta are polluted by white dwarf material. The X-ray light curve can be explained by a dual-phase ejection, with a significant delay between the first and second ejection phases, and the second ejection finally released two months after outburst. A delayed ejection is consistent with optical and radio observations of T Pyx, but the physical mechanism producing such a delay remains a mystery.

  12. Human health risk assessment and remediation activities at White Oak Creek Embayment at Oak Ridge National Laboratory

    SciTech Connect (OSTI)

    Blaylock, B.G.

    1994-12-31

    Cesium-137 concentrations of >10{sup 6} Bq/kg dry wt (10{sup 4} pCi/g dry wt) were found in the surface sediments of White Oak Creek Embayment (WOCE) during 1990. A review of past data indicated Cesium-137, among other contaminants, was released from White Oak dam in the mid 1950s and had accumulated in the sediment of WOCE. The sediments from WOCE were being eroded and transported downstream primarily during winter low-water levels by flood events and by a combination of normal downstream flow and water turbulence. Sampling was conducted to determine the extent of radiological and nonradiological contamination. A contaminant screening analysis was conducted to determine which contaminants pose a problem from a human health standpoint. All noncarcinogens had screening indices of <1.0, indicating that concentrations of noncarcinogens were below the levels of concern for a realistic maximum exposure situation. An illegal intruder or an individual using the embayment for fishing purposes could be exposed to >10{sup 4} risk of excess lifetime cancer incidence from external exposure to Cesium-137 in sediment and from ingestion of polychlorinated biphenyls in fish. As a result of these analyses and the fact that >10{sup 6} Bq/kg dry wt (10{sup 4} pCi/g dry wt) of Cesium-137 could be transported from the Oak Ridge Reservation, a coffer-cell dam was constructed at the mouth of White Oak Creek in 1992 to: (1) reduce sediment erosion and the transport of radioactive sediments from the WOCE into the Clinch River, (2) maintain year-round inundation of the embayment sediments to reduce external radiation exposure, and (3) impede the movement of fish into and out of the embayment. The effectiveness of this remediation is being evaluated.

  13. Integrated Modeling and Decision-Support System for Water Management in the Puget Sound Basin: Snow Caps to White Caps

    SciTech Connect (OSTI)

    Copping, Andrea E.; Yang, Zhaoqing; Voisin, Nathalie; Richey, Jeff; Wang, Taiping; Taira, Randal Y.; Constans, Michael; Wigmosta, Mark S.; Van Cleve, Frances B.; Tesfa, Teklu K.

    2013-12-31

    Final Report for the EPA-sponsored project Snow Caps to White Caps that provides data products and insight for water resource managers to support their predictions and management actions to address future changes in water resources (fresh and marine) in the Puget Sound basin. This report details the efforts of a team of scientists and engineers from Pacific Northwest National Laboratory (PNNL) and the University of Washington (UW) to examine the movement of water in the Snohomish Basin, within the watershed and the estuary, under present and future conditions, using a set of linked numerical models.

  14. Douglas-fir/white spirea habitat type in central Idaho: Succession and management. Forest Service general technical report

    SciTech Connect (OSTI)

    Steele, R.; Geier-Hayes, K.

    1994-04-01

    The report describes a taxonomic system for classifying plant succession in the Douglas-fir/white spirea habitat type in central Idaho. A total of 10 potential tree layer types, 35 shrub types, and 45 herb layer types are categorized. Diagonostic keys based on indicator species assist field identification of the types. Discussion of management implications includes pocket gopher populations, success of planted and natural tree seedlings, big-game and livestock forage preferences, and responses of major shrub and herb layer species to disturbances.

  15. SWIFT J1644+57: A WHITE DWARF TIDALLY DISRUPTED BY A 10{sup 4} M{sub Sun} BLACK HOLE?

    SciTech Connect (OSTI)

    Krolik, Julian H.; Piran, Tsvi E-mail: tsvi@phys.huji.ac.il

    2011-12-20

    We propose that the remarkable object Swift J1644+57, in which multiple recurring hard X-ray flares were seen over a span of several days, is a system in which a white dwarf was tidally disrupted by an intermediate-mass black hole. Disruption of a white dwarf rather than a main-sequence star offers a number of advantages in understanding the multiple, and short, timescales seen in the light curve of this system. In particular, the short internal dynamical timescale of a white dwarf offers a more natural way of understanding the short rise times ({approx}100 s) observed. The relatively long intervals between flares ({approx}5 Multiplication-Sign 10{sup 4} s) may also be readily understood as the period between successive pericenter passages of the remnant white dwarf. In addition, the expected jet power is larger when a white dwarf is disrupted. If this model is correct, the black hole responsible must have a mass {approx}< 10{sup 5} M{sub Sun }.

  16. White Sturgeon Mitigation and Restoration in the Columbia and Snake Rivers Upstream from Bonneville Dam; 1998-1999 Annual Report.

    SciTech Connect (OSTI)

    Ward, David L.

    2000-12-01

    The authors report on their progress from April 1998 through March 1999 on determining the effects of mitigative measures on productivity of white sturgeon populations in the Columbia River downstream from McNary Dam, and on determining the status and habitat requirements of white sturgeon populations in the Columbia and Snake rivers upstream from McNary Dam. The study is a cooperative effort by the Oregon Department of Fish and Wildlife (ODFW; Report A), Washington Department of Fish and Wildlife (WDFW; Report B), U.S. Geological Survey Biological Resources Division (USGS; Report C), U.S. Fish and Wildlife Service (USFWS; Report D), Columbia River Inter-Tribal Fish Commission (CRITFC; Report E), and the University of Idaho (UI; Report F). This is a multi-year study with many objectives requiring more than one year to complete. Therefore, findings from a given year may be part of more significant findings yet to be reported. Highlights of results of our work from April 1998 through March 1999 are given.

  17. THE WIRED SURVEY. IV. NEW DUST DISKS FROM THE McCOOK and SION WHITE DWARF CATALOG

    SciTech Connect (OSTI)

    Hoard, D. W.; Wachter, Stefanie; Debes, John H.; Leisawitz, David T.; Cohen, Martin

    2013-06-10

    We have compiled photometric data from the Wide-field Infrared Survey Explorer All Sky Survey and other archival sources for the more than 2200 objects in the original McCook and Sion Catalog of Spectroscopically Identified White Dwarfs. We applied color-selection criteria to identify 28 targets whose infrared spectral energy distributions depart from the expectation for the white dwarf (WD) photosphere alone. Seven of these are previously known WDs with circumstellar dust disks, five are known central stars of planetary nebulae, and six were excluded for being known binaries or having possible contamination of their infrared photometry. We fit WD models to the spectral energy distributions of the remaining ten targets, and find seven new candidates with infrared excess suggesting the presence of a circumstellar dust disk. We compare the model dust disk properties for these new candidates with a comprehensive compilation of previously published parameters for known WDs with dust disks. It is possible that the current census of WDs with dust disks that produce an excess detectable at K-band and shorter wavelengths is close to complete for the entire sample of known WDs to the detection limits of existing near-IR all-sky surveys. The WD dust disk candidates now being found using longer wavelength infrared data are drawn from a previously underrepresented region of parameter space, in which the dust disks are overall cooler, narrower in radial extent, and/or contain fewer emitting grains.

  18. Hydrologic data summary for the White Oak Watershed at Oak Ridge National Laboratory, Oak Ridge, Tennessee, October 1990--December 1991

    SciTech Connect (OSTI)

    Borders, D.M.; Gregory, S.M.; Clapp, R.B.; Frederick, B.J.; Watts, J.A.

    1992-06-01

    This report summarizes for the 15-month period of October 1990-- December 1991 the available dynamic hydrologic data collected, primarily on the White Oak Creek (WOC) watershed, along with information collected on the surface flow systems that affect the quality or quantity of surface water. The collection of hydrologic data is one component of numerous, ongoing Oak Ridge National Laboratory (ORNL) environmental studies and monitoring programs and is intended to: (1) characterize the quantity and quality of water in the flow systems; (2) assist with the planning and assessment of remedial action activities; and, (3) provide long-term availability of data and quality assurance. Characterization of the hydrology of the WOC watershed is critical for understanding the processes that drive contaminant transport in the watershed. Identification of spatial and temporal trends in hydrologic parameters and mechanisms that affect the movement of contaminants supports the development of interim corrective measures and remedial restoration alternatives. In addition, hydrologic monitoring supports long-term assessment of the effectiveness of remedial actions in limiting the transport of contaminants across Waste Area Grouping (WAG) boundaries and ultimately to the off-site environment. For these reasons, it is of paramount importance to the Environmental Restoration Program (ERP) to collect and report hydrologic data activities that contribute to the Site Investigations component of the ERP. (White Oak Creek is also referred to as ``Whiteoak`` Creek).

  19. Hydrologic data summary for the White Oak Watershed at Oak Ridge National Laboratory, Oak Ridge, Tennessee, October 1990--December 1991

    SciTech Connect (OSTI)

    Borders, D.M.; Gregory, S.M.; Clapp, R.B.; Frederick, B.J.; Watts, J.A.

    1992-06-01

    This report summarizes for the 15-month period of October 1990-- December 1991 the available dynamic hydrologic data collected, primarily on the White Oak Creek (WOC) watershed, along with information collected on the surface flow systems that affect the quality or quantity of surface water. The collection of hydrologic data is one component of numerous, ongoing Oak Ridge National Laboratory (ORNL) environmental studies and monitoring programs and is intended to: (1) characterize the quantity and quality of water in the flow systems; (2) assist with the planning and assessment of remedial action activities; and, (3) provide long-term availability of data and quality assurance. Characterization of the hydrology of the WOC watershed is critical for understanding the processes that drive contaminant transport in the watershed. Identification of spatial and temporal trends in hydrologic parameters and mechanisms that affect the movement of contaminants supports the development of interim corrective measures and remedial restoration alternatives. In addition, hydrologic monitoring supports long-term assessment of the effectiveness of remedial actions in limiting the transport of contaminants across Waste Area Grouping (WAG) boundaries and ultimately to the off-site environment. For these reasons, it is of paramount importance to the Environmental Restoration Program (ERP) to collect and report hydrologic data activities that contribute to the Site Investigations component of the ERP. (White Oak Creek is also referred to as Whiteoak'' Creek).

  20. Using interlayer step-wise triplet transfer to achieve an efficient white organic light-emitting diode with high color-stability

    SciTech Connect (OSTI)

    Wang, Qi; Ma, Dongge Ding, Junqiao; Wang, Lixiang; Leo, Karl; Qiao, Qiquan; Jia, Huiping; Gnade, Bruce E.

    2014-05-12

    An efficient phosphorescent white organic light emitting-diode with a red-green-blue tri-emitting-layer structure is reported. The host of the red dopant possesses a lower triplet-energy than the green dye. An interlayer step-wise triplet transfer via blue dye ? green dye ? red host ? red dye is achieved. This mechanism allows an efficient triplet harvesting by the three dopants, thus maintaining a balanced white light and reducing energy loss. Moreover, the color stability of the device is improved significantly. The white device not only achieves a peak external quantum efficiency of 21.1??0.8% and power efficiency of 37.5??1.4?lm/W but shows no color shift over a wide range of voltages.