National Library of Energy BETA

Sample records for res iden tial

  1. RES Wisconsin

    Broader source: Energy.gov [DOE]

    The National Center for American Indian Enterprise Development (The National Center) is proud to announce RES Wisconsin, which will be held October 6th – 9th, 2014 at the Potawatomi Hotel & Casino in Milwaukee, Wisconsin.

  2. National RES Las Vegas

    Broader source: Energy.gov [DOE]

    RES Las Vegas is another multifaceted event from The National Center which will feature unparalleled access to respected tribal leaders, members of congress, federal agency representatives, state...

  3. RES Las Vegas

    Broader source: Energy.gov [DOE]

    The National Center for American Indian Enterprise Development is hosting RES Las Vegas including a tradeshow, business expo, procurement, and more on March 9-12, 2015.

  4. RES D.C.

    Broader source: Energy.gov [DOE]

    The National Center for American Indian Enterprise Development is hosting Reservation Economic Summit (RES), a four-day event that provides Native American businesses and entrepreneurs with the...

  5. RES Las Vegas

    Broader source: Energy.gov [DOE]

    The National Reservation Economic Summit (RES) is taking place March 21–24, 2016, in Las Vegas. RES offers attendees access to tribal leaders, members of Congress, federal agency representatives, state and local elected officials, and top CEOs, on a national platform. Attendees will benefit from networking, training, and business development sessions.

  6. Eole RES | Open Energy Information

    Open Energy Info (EERE)

    Eole RES Jump to: navigation, search Name: Eole-RES Place: AVIGNON, France Zip: F-84000 Sector: Wind energy Product: EOLE-RES's expertise lies in the conception, development,...

  7. RES D.C.

    Broader source: Energy.gov [DOE]

    The National Center for American Indian Enterprise Development is hosting Reservation Economic Summit (RES), a four-day event that provides Native American businesses and entrepreneurs with the tools they need to be successful.

  8. RES Las Vegas 2016

    Broader source: Energy.gov [DOE]

    Hosted by the National Center for American Indian Enterprise Development, Reservation Economic Summit (RES) is a four-day conference featuring training and business development opportunities, a tribal business leaders forum, a tradeshow and business expo featuring hundreds of exhibitors, and more!

  9. RES New Mexico

    Broader source: Energy.gov [DOE]

    Hosted by the National Center for American Indian Enterprise Development, Reservation Economic Summit (RES) is a four-day conference featuring training and business development opportunities, a tribal business leaders forum, a tradeshow and business expo featuring hundreds of exhibitors, and more!

  10. RES North America LLC | Open Energy Information

    Open Energy Info (EERE)

    RES North America LLC Jump to: navigation, search Name: RES North America LLC Place: Portland, Oregon Zip: 97258 Sector: Wind energy Product: US development arm of RES Ltd....

  11. RES Anatolia | Open Energy Information

    Open Energy Info (EERE)

    navigation, search Name: RES Anatolia Place: Istanbul, Turkey Zip: 34398 Sector: Solar, Wind energy Product: Istanbul-based subsidiary formed due to positive forecasts for the...

  12. RES Americas Inc | Open Energy Information

    Open Energy Info (EERE)

    Inc Place: Broomfield, Colorado Zip: 80021 Product: United States and Canada development arm of RES Group. References: RES Americas Inc1 This article is a stub. You can help...

  13. RES GmbH | Open Energy Information

    Open Energy Info (EERE)

    RES GmbH Jump to: navigation, search Name: RES GmbH Place: Saalfeld, Germany Zip: D - 07318 Sector: Renewable Energy Product: Develops, manufactures and distributes systems based...

  14. Renewable Energy Systems (RES UK and Ireland) | Open Energy Informatio...

    Open Energy Info (EERE)

    (RES UK and Ireland) Jump to: navigation, search Logo: Renewable Energy Systems (RES UK and Ireland) Name: Renewable Energy Systems (RES UK and Ireland) Address: Beaufort Court Egg...

  15. Renewable Energy Systems Inc (RES Americas) (Colorado) | Open...

    Open Energy Info (EERE)

    Inc (RES Americas) (Colorado) Jump to: navigation, search Logo: Renewable Energy Systems Inc (RES Americas) Name: Renewable Energy Systems Inc (RES Americas) Address: 11101 W....

  16. RES Oklahoma 2016 | Department of Energy

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

    RES Oklahoma 2016 RES Oklahoma 2016 July 11, 2016 8:00AM MDT to July 14, 2016 4:00PM MDT Tulsa, Oklahoma Hard Rock Hotel & Casino 777 W Cherokee St. Catoosa, OK 74015 The National Center for American Indian Enterprise Development is hosting RES Oklahoma. The four-day conference includes events, tradeshow, business expo, procurement, and more. Pre-early bird registration ends May 6, 2016.

  17. Cal. Pub. Res. Code 30330 | Open Energy Information

    Open Energy Info (EERE)

    Pub. Res. Code 30330Legal Abstract Cal. Pub. Res. Code 30330, current through August 5, 2014. Published NA Year Signed or Took Effect 1976 Legal Citation Cal. Pub. Res....

  18. Cal. Pub. Res. Code 30600 | Open Energy Information

    Open Energy Info (EERE)

    Pub. Res. Code 30600Legal Abstract Cal. Pub. Res. Code 30600, current through August 5, 2014. Published NA Year Signed or Took Effect 1976 Legal Citation Cal. Pub. Res....

  19. Cal. Pub. Res. Code 30413 | Open Energy Information

    Open Energy Info (EERE)

    Pub. Res. Code 30413Legal Abstract Cal. Pub. Res. Code 30413, current through August 5, 2014. Published NA Year Signed or Took Effect 1991 Legal Citation Cal. Pub. Res....

  20. Cal. Pub. Res. Code 30264 | Open Energy Information

    Open Energy Info (EERE)

    Pub. Res. Code 30264Legal Abstract Cal. Pub. Res. Code 30264, current through August 5, 2014. Published NA Year Signed or Took Effect 1976 Legal Citation Cal. Pub. Res....

  1. Initial oxidation of TiAl: An ab-initio investigation

    SciTech Connect (OSTI)

    Bakulin, Alexander V. Kulkova, Svetlana E.; Hu, Qing-Miao; Yang, Rui

    2014-11-14

    We present ab-initio investigation of oxygen adsorption up to two monolayer coverage on the stoichiometric TiAl(100) surface to illustrate the initial oxidation stage. The formation of band gap near the Fermi level demonstrates the transformation from metal to oxide surface with increasing oxygen coverage. The oxidation of Ti rather than Al is observed from our electronic structure calculations. The energy barriers of oxygen diffusion between different sites on surface as well as in subsurface and bulk region are derived. It is shown that the diffusion of oxygen is much easier on the surface than that into the subsurface region.

  2. Compiling RES Legislation for Kazakhstan | Open Energy Information

    Open Energy Info (EERE)

    for Kazakhstan1 Compiling RES Legislation for Kazakhstan Potential of renewable energy sources usage in the Republic of Kazakhstan Report on Benefits of RES to Energy...

  3. Renewable Energy Systems (RES Mediterranean) | Open Energy Information

    Open Energy Info (EERE)

    Mediterranean) Jump to: navigation, search Logo: Renewable Energy Systems (RES Mediterranean) Name: Renewable Energy Systems (RES Mediterranean) Address: 330 rue du Mourelet Z.I....

  4. Renewable Energy Systems (RES Scandinavia) | Open Energy Information

    Open Energy Info (EERE)

    Scandinavia) Jump to: navigation, search Logo: Renewable Energy Systems (RES Scandinavia) Name: Renewable Energy Systems (RES Scandinavia) Address: Lilla Bommen 1 Place:...

  5. Renewable Energy Systems (RES Australia and New Zealand) | Open...

    Open Energy Info (EERE)

    Australia and New Zealand) Jump to: navigation, search Logo: Renewable Energy Systems (RES Australia and New Zealand) Name: Renewable Energy Systems (RES Australia and New Zealand)...

  6. Property:Res cons | Open Energy Information

    Open Energy Info (EERE)

    the property "Res cons" Showing 25 pages using this property. (previous 25) (next 25) 4 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - April 2008 + 35,751 +...

  7. Isothermal oxidation behavior and microstructure of plasma surface Ta coating on ?-TiAl

    SciTech Connect (OSTI)

    Song, Jian; Zhang, Ping-Ze Wei, Dong-Bo; Wei, Xiang-Fei; Wang, Ya

    2014-12-15

    The oxidation behavior of ?-TiAl with Ta surface coating fabricated by double glow plasma surface alloying technology was investigated by thermogravimetric method. Oxidation experiments were carried out at 750 C and 850 C in air for 100 h. The modification layer was comprised of deposition layer and diffusion layer, which metallurgically adhered to the substrate. Tantalum element decreased with the case depth. The oxidation morphology was studied by a scanning electron microscope and X-ray diffraction. The results highlighted that in the oxidizing process of the oxidation, the phase containing Ta-richer may restrain diffusing outward of the element Al in the matrix. Ti diffused outward, and formed the TiO{sub 2} scales, while the middle layer was rich in Al, and formed the continuous Al{sub 2}O{sub 3} scales after oxidation, which was effective to prevent further infiltration of oxygen atoms, and as a result the oxidation resistance increased immensely. - Highlights: A Ta modified coating was prepared on ?-TiAl using DGP surface alloying technology. The modification layer metallurgically adhered to the substrate. The bonding force is about 60 N, satisfying the demands of practical use. The oxidation resistance increased immensely at 750 C and 850 C.

  8. Cal. Pub. Res. Code 30103 | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. Code 30103Legal Abstract Cal. Pub. Res. Code 30103, current through...

  9. Cal. Pub. Res. Code 6370 | Open Energy Information

    Open Energy Info (EERE)

    Cal. Pub. Res. Code 6370 Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. Code 6370Legal Abstract Statutory...

  10. Cal. Pub. Res. Code 25309 | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. Code 25309Legal Abstract Cal. Pub. Res. Code 25309, current through...

  11. Cal. Pub. Res. Code 6826 | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. Code 6826Legal Abstract Cal. Pub. Res. Code 6826, current through...

  12. Cal. Pub. Res. Code 25541 | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. Code 25541Legal Abstract Cal. Pub. Res. Code 25541, current through...

  13. Cal. Pub. Res. Code 25120 | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. Code 25120Legal Abstract Cal. Pub. Res. Code 25120, current through...

  14. Cal. Pub. Res. 25500 et seq | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. 25500 et seqLegal Abstract Cal. Pub. Res. Code 25531, current through...

  15. Renewable Energy Systems Ltd RES Group | Open Energy Information

    Open Energy Info (EERE)

    Ltd RES Group Jump to: navigation, search Name: Renewable Energy Systems Ltd (RES Group) Place: Hertfordshire, United Kingdom Zip: WD4 8LR Sector: Wind energy Product: UK based...

  16. Cal. Pub. Res. Code 21080 | Open Energy Information

    Open Energy Info (EERE)

    library Legal Document- StatuteStatute: Cal. Pub. Res. Code 21080Legal Abstract Sets forth general statutory provisions for California's environmental quality programs....

  17. Cal. Pub. Res. Code 21067 | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. Code 21067Legal Abstract Definitions section for California's...

  18. Cal. Pub. Res. Code 21001 | Open Energy Information

    Open Energy Info (EERE)

    Cal. Pub. Res. Code 21001Legal Abstract Sets forth California's policy on maintenance of environmental quality. Published NA Year Signed or Took Effect 1970 Legal...

  19. Renewable Energy Systems Inc (RES Americas) (Texas) | Open Energy...

    Open Energy Info (EERE)

    (Texas) Jump to: navigation, search Name: Renewable Energy Systems Inc (RES Americas) Address: 9050 Capital of Texas Hwy Place: Austin, Texas Zip: 78759 Region: Texas Area Sector:...

  20. Renewable Energy Systems Inc (RES Americas) | Open Energy Information

    Open Energy Info (EERE)

    Renewable Energy Systems Inc (RES Americas) Address: 11101 W. 120th Ave Suite 400 Place: Broomfield, Colorado Zip: 80021 Region: Pacific Northwest Area Sector: Wind energy Product:...

  1. DOE Office of Indian Energy to Sponsor Energy Forum at RES 2014...

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

    Part of DOE's silver-level sponsorship of RES 2014, the forum will take place on March 17, ... The National RES 2014 conference will take place March 17-20, 2014. Register for RES 2014, ...

  2. Cal. Pub. Res. Code 6301 | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. Code 6301Legal Abstract This section grants the California State Lands...

  3. Cal. Pub. Res. Code 6502 | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. Code 6502Legal Abstract Statutory chapter providing for leasing of public...

  4. Cal. Pub. Res. Code 5020 et seq.: Historical Resources | Open...

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Res. Code 5020 et seq.: Historical ResourcesLegal Abstract This section...

  5. Cal. Pub. Res. Code 30603 | Open Energy Information

    Open Energy Info (EERE)

    navigation, search OpenEI Reference LibraryAdd to library Legal Document- OtherOther: Cal. Pub. Res. Code 30603Legal Abstract Delegation of local authority for Coastal Zone...

  6. Property:Res sales (mwh) | Open Energy Information

    Open Energy Info (EERE)

    property "Res sales (mwh)" Showing 25 pages using this property. (previous 25) (next 25) 4 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - April 2008 + 35,568 +...

  7. Property:Res rev (thousand $) | Open Energy Information

    Open Energy Info (EERE)

    "Res rev (thousand )" Showing 25 pages using this property. (previous 25) (next 25) 4 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - April 2008 + 3,675 +...

  8. Display of Hi-Res Data | Princeton Plasma Physics Lab

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

    Display of Hi-Res Data This invention enables plotting a very large number of data points relative to the number of display pixels without losing significant information about the...

  9. On the preparation of TiAl alloy by direct reduction of the oxide mixtures in calcium chloride melt

    SciTech Connect (OSTI)

    Prabhat K. Tripathy; Derek J. Fray

    2011-11-01

    In recent years, TiAl-based intermetallic alloys are being increasingly considered for application in areas such as (i) automobile/transport sector (passenger cars, trucks and ships) (ii) aerospace industry (jet engines and High Speed Civil Transport propulsion system) and (iii) industrial gas turbines. These materials offer excellent (i) high temperature properties (at higher than 6000C) (ii) mechanical strength and (iii) resistance to corrosion and as a result have raised renewed interest. The combination of these properties make them possible replacement materials for traditional nickel-based super-alloys, which are nearly as twice as dense (than TiAl based alloys). Since the microstructures of these intermetallic alloys affect, to a significant extent, their ultimate performance, further improvements (by way of alteration/modification of these microstructures), have been the subject matter of intense research investigations. It has now been established that the presence of alloy additives, such as niobium, tantalum, manganese, boron, chromium, silicon, nickel and yttrium etc, in specific quantities, impart marked improvement to the properties, viz. fatigue strength, fracture toughness, oxidation resistance and room temperature ductility, of these alloys. From a number of possible alloy compositions, {gamma}-TiAl and Ti-Al-Nb-Cr have, of late, emerged as two promising engineering alloys/materials. . The conventional fabrication process of these alloys include steps such as melting, forging and heat treatment/annealing of the alloy compositions. However, an electrochemical process offers an attractive proposition to prepare these alloys, directly from the mixture of the respective oxides, in just one step. The experimental approach, in this new process, was, therefore, to try to electrochemically reduce the (mixed) oxide pellet to an alloy phase. The removal of oxygen, from the (mixed) oxide pellet, was effected by polarizing the oxide pellet against a graphite electrode in a pool of molten calcium chloride at a temperature of 9000C. The dominant mechanism of the oxygen removal was the ionization of oxygen followed by its subsequent discharge, as CO2/CO, at the anode surface. The removal of oxygen from the oxide mixture helped form the alloy in situ. The presentation shall cover the detailed experimental results pertaining to the preparation, evaluation and characterization of Ti-47Al-2Nb-2Cr (atom%) alloy.

  10. NREL to Partner with RES Americas on Wind Balance-of-Plant Research - News

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

    Releases | NREL to Partner with RES Americas on Wind Balance-of-Plant Research June 17, 2009 The U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) and Renewable Energy Systems Americas, Inc. (RES Americas) have announced a partnership to evaluate the design and performance of vital wind energy support systems. Under a Cooperative Research and Development Agreement (CRADA), NREL and RES Americas will investigate structural loads on foundations of operating wind

  11. EPRI/NRC-RES fire human reliability analysis guidelines.

    SciTech Connect (OSTI)

    Lewis, Stuart R.; Cooper, Susan E.; Najafi, Bijan; Collins, Erin; Hannaman, Bill; Kohlhepp, Kaydee; Grobbelaar, Jan; Hill, Kendra; Hendrickson, Stacey M. Langfitt; Forester, John Alan; Julius, Jeff

    2010-03-01

    During the 1990s, the Electric Power Research Institute (EPRI) developed methods for fire risk analysis to support its utility members in the preparation of responses to Generic Letter 88-20, Supplement 4, 'Individual Plant Examination - External Events' (IPEEE). This effort produced a Fire Risk Assessment methodology for operations at power that was used by the majority of U.S. nuclear power plants (NPPs) in support of the IPEEE program and several NPPs overseas. Although these methods were acceptable for accomplishing the objectives of the IPEEE, EPRI and the U.S. Nuclear Regulatory Commission (NRC) recognized that they required upgrades to support current requirements for risk-informed, performance-based (RI/PB) applications. In 2001, EPRI and the USNRC's Office of Nuclear Regulatory Research (RES) embarked on a cooperative project to improve the state-of-the-art in fire risk assessment to support a new risk-informed environment in fire protection. This project produced a consensus document, NUREG/CR-6850 (EPRI 1011989), entitled 'Fire PRA Methodology for Nuclear Power Facilities' which addressed fire risk for at power operations. NUREG/CR-6850 developed high level guidance on the process for identification and inclusion of human failure events (HFEs) into the fire PRA (FPRA), and a methodology for assigning quantitative screening values to these HFEs. It outlined the initial considerations of performance shaping factors (PSFs) and related fire effects that may need to be addressed in developing best-estimate human error probabilities (HEPs). However, NUREG/CR-6850 did not describe a methodology to develop best-estimate HEPs given the PSFs and the fire-related effects. In 2007, EPRI and RES embarked on another cooperative project to develop explicit guidance for estimating HEPs for human failure events under fire generated conditions, building upon existing human reliability analysis (HRA) methods. This document provides a methodology and guidance for conducting a fire HRA. This process includes identification and definition of post-fire human failure events, qualitative analysis, quantification, recovery, dependency, and uncertainty. This document provides three approaches to quantification: screening, scoping, and detailed HRA. Screening is based on the guidance in NUREG/CR-6850, with some additional guidance for scenarios with long time windows. Scoping is a new approach to quantification developed specifically to support the iterative nature of fire PRA quantification. Scoping is intended to provide less conservative HEPs than screening, but requires fewer resources than a detailed HRA analysis. For detailed HRA quantification, guidance has been developed on how to apply existing methods to assess post-fire fire HEPs.

  12. EPRI/NRC-RES fire PRA guide for nuclear power facilities. Volume 1, summary and overview.

    SciTech Connect (OSTI)

    Not Available

    2004-09-01

    This report documents state-of-the-art methods, tools, and data for the conduct of a fire Probabilistic Risk Assessment (PRA) for a commercial nuclear power plant (NPP) application. The methods have been developed under the Fire Risk Re-quantification Study. This study was conducted as a joint activity between EPRI and the U. S. NRC Office of Nuclear Regulatory Research (RES) under the terms of an EPRI/RES Memorandum of Understanding [RS.1] and an accompanying Fire Research Addendum [RS.2]. Industry participants supported demonstration analyses and provided peer review of this methodology. The documented methods are intended to support future applications of Fire PRA, including risk-informed regulatory applications. The documented method reflects state-of-the-art fire risk analysis approaches. The primary objective of the Fire Risk Study was to consolidate recent research and development activities into a single state-of-the-art fire PRA analysis methodology. Methodological issues raised in past fire risk analyses, including the Individual Plant Examination of External Events (IPEEE) fire analyses, have been addressed to the extent allowed by the current state-of-the-art and the overall project scope. Methodological debates were resolved through a consensus process between experts representing both EPRI and RES. The consensus process included a provision whereby each major party (EPRI and RES) could maintain differing technical positions if consensus could not be reached. No cases were encountered where this provision was invoked. While the primary objective of the project was to consolidate existing state-of-the-art methods, in many areas, the newly documented methods represent a significant advancement over previously documented methods. In several areas, this project has, in fact, developed new methods and approaches. Such advances typically relate to areas of past methodological debate.

  13. HiRes deconvolved Spitzer images of 89 protostellar jets and outflows: New data on the evolution of the outflow morphology

    SciTech Connect (OSTI)

    Velusamy, T.; Langer, W. D.; Thompson, T. E-mail: William.D.Langer@jpl.nasa.gov

    2014-03-01

    To study the role of protosellar jets and outflows in the time evolution of the parent cores and the protostars, the astronomical community needs a large enough database of infrared images of protostars at the highest spatial resolution possible to reveal the details of their morphology. Spitzer provides unprecedented sensitivity in the infrared to study both the jet and outflow features, however, its spatial resolution is limited by its 0.85 m mirror. Here, we use a high-resolution deconvolution algorithm, 'HiRes,' to improve the visualization of spatial morphology by enhancing resolution (to subarcsecond levels in the IRAC bands) and removing the contaminating side lobes from bright sources in a sample of 89 protostellar objects. These reprocessed images are useful for detecting (1) wide-angle outflows seen in scattered light, (2) morphological details of H{sub 2} emission in jets and bow shocks, and (3) compact features in MIPS 24 ?m images as protostar/disk and atomic/ionic line emission associated with the jets. The HiRes FITS image data of such a large homogeneous sample presented here will be useful to the community in studying these protostellar objects. To illustrate the utility of this HiRes sample, we show how the opening angle of the wide-angle outflows in 31 sources, all observed in the HiRes-processed Spitzer images, correlates with age. Our data suggest a power-law fit to opening angle versus age with an exponent of ?0.32 and 0.02, respectively, for ages ?8000 yr and ?8000 yr.

  14. Hi-Res WIPP

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

    Anderson - New World Hewlett and Anderson - New World Richard G. Hewlett and Oscar E. Anderson, Jr. The New World, 1939-1946. Volume I: A History of the Atomic Energy Commission. 1962. Text in each PDF is fully searchable. PDF icon HewlettandAndersonNewWorldNoBookmarks.pdf PDF icon HewlettandAndersonNewWorldPicturesOnly.pdf More Documents & Publications The Manhattan Project: Making the Atomic Bomb The Manhattan Project: Making of the Atomic Bomb Gosling, The Manhattan Project: Making the

  15. RES New Mexico

    Broader source: Energy.gov [DOE]

    Hosted by the National Center for American Indian Enterprise Development, Reservation Economic Summit is a four-day conference featuring training and business development opportunities, a tribal business leaders forum, a tradeshow and business expo featuring hundreds of exhibitors, and more!

  16. RES Energy Track

    Broader source: Energy.gov [DOE]

    ​The Office of Indian Energy is hosting an Energy Track featuring breakout sessions on a variety of topics, including workforce development, energy technology, and capacity building, to help tribal energy leaders and professionals make informed decisions about energy projects.

  17. National RES Energy Track agenda

    Office of Environmental Management (EM)

    Featured Keynote Speaker Dr. Chris Emdin, Associate Professor in the Department of Mathematics, Science and Technology and Associate Director of the Institute for Urban and ...

  18. HPSS_Cover_Low_Res

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

    ... Advanced Research Projects Agency (DARPA) Exascale Computing Study, Sep, 2008. 3 of ... These are derived from proposals of Extreme Scale architectures from the DARPA ExaScale ...

  19. Hi-Res WIPP onsite_offsite

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

    Information we have would indicate there is no offsite exposure risk The Radiological Release on Feb 14, 2014 13 Employees * Offsite sampling indicates radioactive levels only slightly above "background" at one location 0.6 miles from the site boundary. Background is defined as naturally-occurring radiation that is always present in our environment. * All indicators are that this was a one-time event. The event was detected by an underground continuous air monitor (CAM) that was in the

  20. High-temperature phase transformation in Cr added TiAl base alloy

    SciTech Connect (OSTI)

    Abe, E.; Niinobe, K.; Nobuki, M.; Nakamura, M.; Tsujimoto, T.

    1999-07-01

    The authors have investigated a microstructure evolution of a Ti-48Al-3.5Cr (in at.%) alloy at high-temperatures ({gt} 1,473K). In the alloy annealed at 1673K for 1.8ks, followed by air-cooling, a characteristic microstructure with a feathery fashion was uniformly formed. From a cooling-rate-controlling study, it was found that formation of the feathery structure is accomplished during continuous cooling from 1673K to 1573K, within the {alpha} + {gamma} two-phase region. Transmission electron microscopy revealed that the feathery structure is composed of lamellar colonies (5--10{micro}m) which are crystallographically tilted slightly (a few degree) with their neighbors. A surprising fact is that lamellae in each colony are mostly the {gamma} phase with few {alpha}{sub 2} phase less than 5% in volume. This suggests that the feathery structure is a metastable product and has not resulted from the {alpha} {r{underscore}arrow} {alpha} + {gamma} transformation above 1,573 K. Instead, the feathery structure formation should be attributed to the non-equilibrium {alpha} {r{underscore}arrow} {gamma} transformation which occurs at high-temperatures with a small degree of supercooling. The authors discuss this interesting phase transformation in terms of the {alpha} {r{underscore}arrow} {gamma} massive transformation, based on the continuous-cooling-transformation (CCT) diagram constructed for the present alloy.

  1. Materials Data on Ca3TiAl2Si3O13F2 (SG:2) by Materials Project

    SciTech Connect (OSTI)

    Kristin Persson

    2014-11-02

    Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

  2. Materials Data on SrLa4TiAl4O15 (SG:51) by Materials Project

    SciTech Connect (OSTI)

    Kristin Persson

    2014-11-02

    Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

  3. Effect of Ti-Al cathode composition on plasma generation and plasma transport in direct current vacuum arc

    SciTech Connect (OSTI)

    Zhirkov, I. Petruhins, A.; Dahlqvist, M.; Ingason, A. S.; Rosen, J.; Eriksson, A. O.

    2014-03-28

    DC arc plasma from Ti, Al, and Ti{sub 1-x}Al{sub x} (x?=?0.16, 0.25, 0.50, and 0.70) compound cathodes was characterized with respect to plasma chemistry and charge-state-resolved ion energy. Scanning electron microscopy, X-ray diffraction, and Energy-dispersive X-ray spectroscopy of the deposited films and the cathode surfaces were used for exploring the correlation between cathode-, plasma-, and film composition. Experimental work was performed at a base pressure of 10{sup ?6}?Torr, to exclude plasma-gas interaction. The plasma ion composition showed a reduction of Al of approximately 5 at. % compared to the cathode composition, while deposited films were in accordance with the cathode stoichiometry. This may be explained by presence of neutrals in the plasma/vapour phase. The average ion charge states (Ti?=?2.2, Al?=?1.65) were consistent with reference data for elemental cathodes, and approximately independent on the cathode composition. On the contrary, the width of the ion energy distributions (IEDs) were drastically reduced when comparing the elemental Ti and Al cathodes with Ti{sub 0.5}Al{sub 0.5}, going from??150 and ?175?eV to ?100 and ?75?eV for Ti and Al ions, respectively. This may be explained by a reduction in electron temperature, commonly associated with the high energy tail of the IED. The average Ti and Al ion energies ranged between ?50 and ?61?eV, and ?30 and ?50?eV, respectively, for different cathode compositions. The attained energy trends were explained by the velocity rule for compound cathodes, which states that the most likely velocities of ions of different mass are equal. Hence, compared to elemental cathodes, the faster Al ions will be decelerated, and the slower Ti ions will be accelerated when originating from compound cathodes. The intensity of the macroparticle generation and thickness of the deposited films were also found to be dependent on the cathode composition. The presented results may be of importance for choice of cathodes for thin film depositions involving compound cathodes.

  4. PrintRes_PeriodicChartPostCard2014

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

    56 Ba Barium 73 Ta Tantalum 19 K Potassium 20 Ca Calcium 21 Sc Scandium 22 Ti Titanium 30 Zn Zinc 31 Ga Gallium 32 Ge Germanium 33 As Arsenic 34 Se Selenium 35 Br Bromine ...

  5. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...4,267880,0,,,0,62572,939724,0 471,"Amana Society Service Co","IA",2005,1,55,640,697,65,769...,,80422,1293053,476805 12341,"MidAmerican Energy Co","IA",2005,1,39423,496907,524726,25700...

  6. UTILITY_ID","UTILNAME","STATE_CODE","YEAR","MONTH","RES_REV ...

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

    ...,92986.022,1106028.081,427520 471,"Amana Society Service Co","IA",2011,1,86,687,709,83,720...,104340,1293080,483884 12341,"MidAmerican Energy Co","IA",2011,1,45419.941,606535.866,5501...

  7. UTILITY_ID","UTILNAME","STATE_CODE","YEAR","MONTH","RES_REV ...

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

    ...8,271065,0,,,0,67455,928657,0 471,"Amana Society Service Co","IA","2007R",1,63,645,707,70,...0,85894,1256263,483594 12341,"MidAmerican Energy Co","IA","2007R",1,38128,474364,539478,25...

  8. UTILITY_ID","UTILNAME","STATE_CODE","YEAR","MONTH","RES_REV ...

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

    ...,90424.591,1142019.157,426909 471,"Amana Society Service Co","IA",2009,1,84,679,710,89,750...0,95160,1347761,482995 12341,"MidAmerican Energy Co","IA",2009,1,46327.143,619260.46,54557...

  9. UTILITY_ID","UTILNAME","STATE_CODE","YEAR","MONTH","RES_REV ...

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

    ...,90577.294,1124952.028,427803 471,"Amana Society Service Co","IA",2010,1,75,625,710,78,679...0,97698,1300060,483536 12341,"MidAmerican Energy Co","IA",2010,1,47406.924,646488.65,54729...

  10. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...1,246796,0,,,0,56619,966064,0 471,"Amana Society Service Co","IA",2003,1,40,601,692,38,675...7,66909,1254595,470633 12341,"MidAmerican Energy Co","IA",2003,1,31381,391154,510625,16463...

  11. UTILITY_ID","UTILNAME","STATE_CODE","YEAR","MONTH","RES_REV ...

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

    ...0,83215.98,1119242.926,425071 471,"Amana Society Service Co","IA",2008,1,68,645,708,73,737...0,83931,1337774,484355 12341,"MidAmerican Energy Co","IA",2008,1,40643.972,535012.07,54378...

  12. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...7,255308,0,,,0,61058,953105,0 471,"Amana Society Service Co","IA",2004,1,53,587,696,65,749...,,74622,1275348,473382 12341,"MidAmerican Energy Co","IA",2004,1,38005,477429,517190,24648...

  13. UTILITY_ID","UTILNAME","STATE_CODE","YEAR","MONTH","RES_REV ...

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

    ...7,260544,0,,,0,63754,932707,0 471,"Amana Society Service Co","IA",2006,1,50,590,699,58,692...,,93335,1228232,481559 12341,"MidAmerican Energy Co","IA",2006,1,37221,459792,532611,25092...

  14. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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    ...3087,1030,13416,78902,1093643 230,"Albany Water Gas & Light Comm","GA",91,1,1909,28956,203...6,11,146,0,0,0,0,52,672 20169,"Washington Water Power Co","ID",91,1,5783,115951,3076,59228...

  15. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...3,26,238,584,17460,2567 20169,"Washington Water Power Company","ID",2000,1,5585,114234,883... 10704,"Lansing Board of Water & Light","MI",2000,1,3381,55779,80732,5153...

  16. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...5052,27,251,8944,238616 20169,"Washington Water Power Co","ID",95,1,5682,111117,3920,72853... 10704,"Lansing Board of Water & Light","MI",95,1,3112,52319,4624,85152,2...

  17. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...435,30,253,10714,270237 20169,"Washington Water Power Co","ID",93,1,5856,113174,3343,60803... 10704,"Lansing Board of Water & Light","MI",93,1,2886,51178,4048,79470,2...

  18. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...9986,3201,48196,77291,1148551 230,"Albany Water Gas & Light Comm","GA",90,1,2235,35967,202...44,4,42,6,83,0,7,39,476 20169,"Washington Water Power Co","ID",90,1,4634,93527,2862,53688,...

  19. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...15,19431,3,27,878,23985 20169,"Washington Water Power Co","ID",97,1,7113,141994,4397,83795... 10704,"Lansing Board of Water & Light","MI",97,1,3369,55053,4969,88917,2...

  20. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...5814,1109,14163,81951,1135561 230,"Albany Water Gas & Light Comm","GA",92,1,2125,31241,213...1427,31,263,9507,257389 20169,"Washington Water Power Co","ID",92,1,4742,98397,3078,60320,...

  1. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...6491,28,247,9775,248573 20169,"Washington Water Power Co","ID",94,1,4850,97496,3528,66911,... 10704,"Lansing Board of Water & Light","MI",94,1,3136,54753,4476,85147,2...

  2. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ... Coop., Inc.","ID",1998,1,157,2936,79,1673,512,15956,2,27,750,20592 20169,"Washington Water ... 10704,"Lansing Board of Water & Light","MI",1998,1,3260,53666,4999,92086...

  3. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...3,28,235,551,16140,2505 20169,"Washington Water Power Company","ID",1999,1,5750,115046,852... 10704,"Lansing Board of Water & Light","MI",1999,1,3395,56092,80316,5030...

  4. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...22,19981,3,27,981,24477 20169,"Washington Water Power Co","ID",96,1,6556,125105,4575,80600... 10704,"Lansing Board of Water & Light","MI",96,1,3279,55206,4919,90320,2...

  5. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...114,7,2268,12,,,,5,1118,7,22,5524,133 6866,"G and K Inc","AK",2001,1,14,37,57,82,210,44,8,...14,7,2195,12,,,,4,9219,7,20,13372,133 6866,"G and K Inc","AK",2001,2,14,37,57,82,210,44,8,...

  6. UTILITYID","UTILNAME","STATE","YEAR","MONTH","RES_REV (Thousand...

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

    ...140,3411,8263,101101,76731 12919,"Morenci Water and Electric Co","AZ",2002,1,99,893,1677,1... 17612,"Southern California Water Co","CA",2002,1,981,7522,20261,699,4602,14...

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    Open Energy Info (EERE)

    mandatory statewide. Buildings must also meet requirements set by CALGreen, the statewide green building code. Building Energy Code (Colorado) + 2003 IECC or any successor edition...

  8. Microsoft PowerPoint - NanoRes_Sumpter_2013.pptx

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

    material semiconducting, while an uniaxial strain varying from compressive to tensile causes the spin-resolved selective self-doping to increase the half-metallic character of the...

  9. Add RES 2016 Energy Track Sessions to Your Calendar

    Broader source: Energy.gov [DOE]

    Download calendar invitations for the four energy track sessions being hosted by the Department of Energy Office of Indian Energy at the 2016 National Reservation Economic Summit.

  10. Property:Incentive/WindResPercMax | Open Energy Information

    Open Energy Info (EERE)

    I Independence Light & Power - Renewable Energy Rebates (Iowa) + 25% + L Local Small Wind Rebate Programs (Colorado) + 50% + M Maquoketa Municipal Electric Utility - Renewable...

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    Code 6009Legal Abstract Statutory section containing general provisions for administration and control of state lands in California. Published NA Year Signed or Took Effect...

  12. DOE to Host Energy Track at RES 2016 | Department of Energy

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

    Five global megatrends will shape the future of Indian Country: population growth and migration, climate change, technological innovations, higher living standards, and economic ...

  13. Penn State HyRES Laboratory Wind Turbine | Open Energy Information

    Open Energy Info (EERE)

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  14. Indian Energy & Energy Infrastructure to be Showcased at RES 2012 in Las Vegas

    Broader source: Energy.gov [DOE]

    Our mission as a Department – to ensure America’s security and prosperity by addressing its energy, environmental, and nuclear challenges through transformative science and technology solutions –...

  15. Microsoft Word - NG_ResQrySys_UsersGuide_Sept2015-FINAL.docx

    Gasoline and Diesel Fuel Update (EIA)

    ... the Query System is a web-based system, no download or installation is necessary. All that is needed to run the Query System is a PC with up-to-date web-browsing software (such ...

  16. Microsoft PowerPoint - C-Mod_quarterly_res_highlights_21.ppt

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    confinement "I-mode" - Neon and nitrogen seeded plasmas (all regimes) - H-mode pedestal physics (APS invited) - ITER discharge development - B-coated Mo tile operation -...

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    from time avErages obtained from stationary surface instruments. Construction of spa- tial averages can also involve scanning and combining of data from the CART central...

  1. Solar Technology Validation Project - RES Americas: Cooperative Research and Development Final Report, CRADA Number CRD-09-367-11

    SciTech Connect (OSTI)

    Wilcox, S.

    2013-08-01

    Under this Agreement, NREL will work with Participant to improve concentrating solar power system performance characterizations. This work includes, but is not limited to, research and development of methods for acquiring renewable resource characterization information using site-specific measurements of solar radiation and meteorological conditions; collecting system performance data; and developing tools for improving the design, installation, operation, and maintenance of solar energy conversion systems. This work will be conducted at NREL and Participant facilities.

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    here. Top Three Photos thumb First place photo by Mike Baker, Bolingbrook, IL Hi-res Med-res thumb Second place photo by Mike Baker, Bolingbrook, IL Hi-res Med-res thumb...

  4. Fermilab | Photowalk | 2012 Winning Images

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    information. Top Five Photos thumb First place photo by Stan Kirschner, Mundelein, IL Hi-res Med-res thumb Second place photo by Brian Schultz, Naperville, IL Hi-res Med-res...

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

    Hot water fixtures: 13 Farthest fixture first draw facts: * Pipe length: 90 ft * Fixture ... the water, energy, and time lost in the first draw from an idle residen- tial DWH system. ...

  6. Layered Copper-Based Electrode for High-Dielectric Constant Oxide

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    Thin-Film-Based Devices | Argonne National Laboratory Copper-Based Electrode for High-Dielectric Constant Oxide Thin-Film-Based Devices Technology available for licenisng: A multilayer thin-film device containing copper layers protected by amorphous TiAl oxide and devices incorporating TiAl. Offers high conductivity and protection against oxidation Low-cost process PDF icon copper_based_electrode

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    - CAC Water Evap Cooled - - - - 0.00 0.00 PTACHP 0.01 0.01 0.01 0.01 0.01 0.01 Res Dishwasher - - - - - - Res Refrigerators - - - - - - Res Freezers - - - - - 0.61 External Power...

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  12. The Aerosol Lidar Validation Experiment … ALIVE 1Schmid, B., 2Ferrare, R., 3Turner,D., 4Flynn, C., 5Cairns, B., 6Dominguez, R., 6Gore, W., 7Groff, D., 8Herman, B., 9Hovelman, B., 10Jefferson, A., 6Johnson, R., 5Knobelspiesse, K., 4Mendoza, A., 10Ogren, J., 4Petty, D., ?Russell, E., 6Russell, P., 4Roeder, L., 6Truong, N. 1BAER Institute, 2NASA Langley Res. Center, 3Univ. Of Wisconsin-Madison, 4Pacific Northwest Natl. Lab., 5Columbia Univ., 6NASA Ames Res. Center, 7ARM SGP, 8City Univ. of New York, 9Sky Research, Inc., 10NOAA CMDL

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  13. Fermilab | Illinois Accelerator Research Center | Image Gallery

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    Multimedia Gallery Pictures of the Finished OTE Building thumbnail Front view of IARC with Wilson Hall in the Background. Download: Hi-Res | Med-Res thumbnail Front view of IARC ...

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    W. Most, RES ED R. Salness, RES ED RCRA Chronology ED WIPP Operating Record ED Stakeholder Notification ED -ED denotes electronic distribution CBFO:OESH:SEM:ANC:11-1370:UFC 5486.00...

  15. J,.

    Office of Legacy Management (LM)

    ACID STORAGE (5 OIL STORAGE 16 PAINT 8 CHEMICAL STORAGE I7 MINERALS ENGINEERING 16 ... Koch, R.K., Res Chemist Landsberg, A., Chemical Eng Lincoln, R.L., Res Physicist Maier, ...

  16. El Paso Electric Co (New Mexico) | Open Energy Information

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    The following table contains monthly sales and revenue data for El Paso Electric Co (New Mexico). Scroll leftright to see all of the table values. Month RES REV (THOUSAND ) RES...

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  18. Fermilab | Newsroom | Press Releases | March 2013: NOvA Photos

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  1. AEF Logos | U.S. DOE Office of Science (SC)

    Office of Science (SC) Website

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    Fermilab Photos photo Download image: Med Res | Hi Res This image of the NGC 1398 galaxy was taken with the Dark Energy Camera. This galaxy lives in the Fornax cluster,...

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    RELEASE QuarkNet program receives 6.1 million NSF award to advance science education Hi-res | Med-res Steven Grosland, physics teacher at Glenbrook South High School in...

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  13. Layered CU-based electrode for high-dielectric constant oxide thin film-based devices

    DOE Patents [OSTI]

    Auciello, Orlando

    2010-05-11

    A layered device including a substrate; an adhering layer thereon. An electrical conducting layer such as copper is deposited on the adhering layer and then a barrier layer of an amorphous oxide of TiAl followed by a high dielectric layer are deposited to form one or more of an electrical device such as a capacitor or a transistor or MEMS and/or a magnetic device.

  14. Visualization

    Office of Scientific and Technical Information (OSTI)

    Visualization of Force Fields in Protein Structure Prediction Clark Crawford ∗ Oliver Kreylos † Bernd Hamann ‡ Silvia Crivelli § ABSTRACT The force fields used in molecular computational biology are not mathematically defined in such a way that their representation would facilitate a straightforward application of volume visualiza- tion techniques. To visualize energy, it is necessary to define a spa- tial mapping for these fields. Equipped with such a mapping, we can generate volume

  15. Untitled

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    Ins$tute for Materials Science Dis$nguished Lecture Series Professor Frans Spaepen John C. & Helen F. Franklin Professor of Applied Physics Harvard University Cambridge, MA Structure of Liquids and the Crystal-Liquid Interface Wednesday, April 27, 2016 2:00 - 3:00pm MSL Auditorium (TA-03 - Bldg 1698 - Room A103) Abstract: Iden%fying the principle that underlies the structure of even the simplest liquids is an enduring scien%fic challenge. Star%ng with the basic facts about liquids, this talk

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

    Resources Sold Back to Grid Storage Solar Technology and Market Influences in the US NIST NAESB FERC NERC PUC ISORTO Utilities * Generator * Trading Co. * RES * CSP * Customer ...

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    6622 RTI International Res Triangle Park, NC (1) Tampa Electric Company, Polk Power Station, Polk County, FL (approximately 40 miles southeast of Tampa and approximately 60 miles...

  18. Llano Estacado Wind Ranch at Texico | Open Energy Information

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    Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner Cielo Wind Power Developer Cielo Wind Power- RES Energy Purchaser Xcel Energy Location Curry...

  19. Slide 1

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

    On the relationship among cloud turbulence, droplet formation and drizzle as viewed by Doppler radar, microwave radiometer and lidar. J. Geophys. Res., 104, 22195-22203 Golaz,...

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

    Geothermal Direct-Use Tax Credits, Rebates & Savings Tax Credits, Rebates & Savings Renewable Energy Standard Utilities subject to the RES must obtain renewable energy credits...

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

    Hydroelectric (Small) Tax Credits, Rebates & Savings Tax Credits, Rebates & Savings Renewable Energy Standard Utilities subject to the RES must obtain renewable energy credits...

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

    boehmer Ames Laboratory Profile Anna Boehmer Postdoc Res Associate Division of Materials Science & Engineering A15 Zaffarano Phone Number: 515-294-3246 Email Address: boehmer

  3. carraher | The Ames Laboratory

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

    carraher Ames Laboratory Profile Jack Carraher Postdoc Res Associate Chemical & Biological Sciences 2118 BRL Phone Number: 515-294-5826 Email Address: carraher@iastate.edu

  4. Resource Energy Systems LLC | Open Energy Information

    Open Energy Info (EERE)

    provides property owners with turn-key solar energy services. RES completes all phases of solar design, installation, and completion. References: Resource Energy Systems, LLC1...

  5. ARM - Publications: Science Team Meeting Documents

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

    A Data Correction Algorithm for Improved Measurement of Surface Insolation, by Bush, Valero, Simpson, and Bignone, J. Atmos. Res. and Ocean. Tech., Vol. 17, No. 2, pp....

  6. Tax Credits, Rebates & Savings | Department of Energy

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

    Utilities subject to the RES must obtain renewable energy credits (RECs**) from eligible renewable resources to meet 15% of their retail electric load by 2025 and thereafter. Of...

  7. OpenEI - Organizations - OpenEI Datasets

    Open Energy Info (EERE)

    (SOX), particulate matter smaller than 2.5m and smaller than... CSV Indonesia Crude Oil Refinery Outlook to 2020 Market Research Background & Res... Description Indonesia...

  8. Rural Development: Rural Energy for America Program

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

    ... located in the 100 year flood plain (without a mitigation plan); * RES or EEI for MarijuanaIndustrial Hemp based business; 14 Project eligibility...Project Costs Eligible ...

  9. ppezzini | The Ames Laboratory

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

    ppezzini Ames Laboratory Profile Paolo Pezzini Postdoc Res Associate Simulation, Modeling, & Decision Science Off Campus Phone Number: 515-294-3891 Email Address: ppezzini...

  10. ATLAS_Strategic_Plan_14_August _9

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

    Range Plan (science.energy.govmedianpnsacpdfdocsNuclearScienceHighRes.pdf), the 2013 report to NSAC on Implementing the 2007 Long Range Plan (science.energy.govmedia...

  11. Research Highlight

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

    small ice crystals to cirrus properties: Observations from the Tropical Warm Pool International Cloud Experiment (TWP-ICE). Geophys. Res. Lett., 34, L13803, doi:10.1029...

  12. Tax Credits, Rebates & Savings | Department of Energy

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

    Renewable Energy Standard Utilities subject to the RES must obtain renewable energy credits (RECs**) from eligible renewable resources to meet 15% of their retail electric load by...

  13. RAPID/Roadmap/7-CA-a | Open Energy Information

    Open Energy Info (EERE)

    and other non-thermal plants are under local city or county jurisdiction. Concentrated solar power plants are considered thermal and are under CEC jurisdiction. Cal. Pub. Res....

  14. Tax Credits, Rebates & Savings | Department of Energy

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

    Direct-Use Tax Credits, Rebates & Savings Tax Credits, Rebates & Savings Renewable Energy Standard Utilities subject to the RES must obtain renewable energy credits (RECs**)...

  15. Auroral x ray images (Journal Article) | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    Publication Date: 1981-08-01 OSTI Identifier: 5801875 Resource Type: Journal Article Resource Relation: Journal Name: J. Geophys. Res.; (United States); Journal Volume: 86:A8 ...

  16. Portland, Oregon: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    RES North America LLC REpower Systems SeQuential Biofuels LLC Shorepower Technologies Sky Power LLC Solaicx (Oregon) Solar Nation Inc Stoel Rives, LLP The Green Building...

  17. Clackamas County, Oregon: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    RES North America LLC REpower Systems SeQuential Biofuels LLC Shorepower Technologies Sky Power LLC Solaicx (Oregon) Solar Nation Inc Stoel Rives, LLP The Green Building...

  18. Multnomah County, Oregon: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    RES North America LLC REpower Systems SeQuential Biofuels LLC Shorepower Technologies Sky Power LLC Solaicx (Oregon) Solar Nation Inc Stoel Rives, LLP The Green Building...

  19. Search for: All records | DOE PAGES

    Office of Scientific and Technical Information (OSTI)

    ... Computational Design of Axion Insulators Based on 5 d Spinel Compounds Wan, Xiangang ; ... Integrated digital inverters based on two-dimensional anisotropic ReS field-effect ...

  20. mbonilla | The Ames Laboratory

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

    mbonilla Ames Laboratory Profile Claudia Bonilla escobar Postdoc Res Associate Division of Materials Science & Engineering 252 Spedding Phone Number: 515-294-2041 Email Address: mbonilla

  1. ndesilva | The Ames Laboratory

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

    ndesilva Ames Laboratory Profile Nuwan De silva Postdoc Res Associate Critical Materials Institute Chemical & Biological Sciences 236 Wilhelm Phone Number: 515-294-7568 Email Address: ndesilva

  2. valery | The Ames Laboratory

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

    valery Ames Laboratory Profile Valery Borovikov Postdoc Res Associate Division of Materials Science & Engineering 205 Metals Development Phone Number: 515-294-4312 Email Address: valery

  3. Reservation Economic Summit: Nevada | Department of Energy

    Office of Environmental Management (EM)

    over the phases of the project. Download the RES 2012 presentation. Addthis Related Articles Reservation Economic Summit: Nevada Indian Energy & Energy Infrastructure to be...

  4. First experience of vectorizing electromagnetic physics models...

    Office of Scientific and Technical Information (OSTI)

    Sao Paulo State U. CERN Catania Astrophys. Observ. Mackenzie Presbiteriana U. Fermilab U. Copenhagen (main) Intel, Santa Clara Bhabha Atomic Res. Ctr. Publication Date: 2015-12-23 ...

  5. Texas's 10th congressional district: Energy Resources | Open...

    Open Energy Info (EERE)

    formerly JD Consulting L P RRI Energy Inc formerly known as Reliant Energy Inc Red River Biodiesel Ltd Reliant Energy Renewable Energy Systems Inc (RES Americas) (Texas) Renewable...

  6. 1

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

    ... using the Spherical Harmonics Discrete Ordinates Method (SHDOM) model (Evans 1998). ... Res., 103 31,681-31,693. Evans, K. F., 1998: The spherical harmonics discrete ordinate ...

  7. Colorado's 2nd congressional district: Energy Resources | Open...

    Open Energy Info (EERE)

    Inc (RES Americas) (Colorado) Renewble Choice Energy Rocky Mountain Sustainable Enterprises LLC Serious Materials (Colorado) Sinton Consulting Inc SkyFuel SkyFuel Inc...

  8. DOE/SC0006035-1

    Office of Scientific and Technical Information (OSTI)

    ... Salcedo, D., Molina, L. T., Worsnop, D. R. and Molina, M. J.: Secondary organic aerosol formation from anthropogenic air pollution: Rapid and higher than expected, Geophys. Res. ...

  9. Microsoft Word - EU-US Smart Grid assessment - final report ...

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

    ... generators, Electric Vehicles, Smart Homes etc.) and provides reliable and sustainable electricity services (demand response, VPP, dispatching, integration of RES etc.). ...

  10. Summary - WTP HLW Waste Vitrification Facility

    Office of Environmental Management (EM)

    ( adequacy (W processing H corrosion res stainless ste Testing activ contacted wi halogens), s Testing the p blending liqu requirements established. maturity of certain key...

  11. Enncloc&et

    Office of Legacy Management (LM)

    .T I. 0 ,; ..i ,I.. ' (,' . . .._ . . . . . . . . . Enncloc&et tm w&r Farm (ln quild.) Res. Ser. Br. 'Feed Idtrls. Fin&" Beenrkm

  12. Molecular Dynameomics

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

    Dynameomics Molecular Dynameomics DaggettHiResWhitebg.png Key Challenges: Perform molecular dynamics simulations to characterize both native (i.e. biologically active) and...

  13. Renewable Energy Systems Americas | Open Energy Information

    Open Energy Info (EERE)

    Americas Jump to: navigation, search Name: Renewable Energy Systems Americas Place: Broomfield, CO Website: www.res-americas.com References: Renewable Energy Systems Americas1...

  14. Jawaharlal Nehru

    ScienceCinema (OSTI)

    None

    2011-04-25

    L'orateur S.E. Giusti del Giardino a connu Nehru (ennemi des castes) les dernières années de sa vie

  15. 225957

    Office of Scientific and Technical Information (OSTI)

    DOE/EH-0482 A ugust 1995 Interview with Helen Vodopick, M.D. Setting: D ecem ber 2 8,1994, Oak Ridge, T en n e ssee Interviewers: Marisa Caputo and David Harrell, DOE Office of Human Radiation Experiments Did you have any mentors that you feel especially attached to or espe- cially grateful to for where your career has progressed? VODOPICK: When I was in training, we had several doctors who were very influen- tial. CAPUTO: Public Perception of Radiation and Medical Research CAPUTO: So, what do

  16. Structural and magnetic properties of Co{sub 2}Ti{sub 1−x}Fe{sub x}Al (0 ≤ x ≤ 0.5) alloys

    SciTech Connect (OSTI)

    Pal, Lakhan Gupta, Sachin Suresh, K. G.

    2014-04-24

    In this work we studied the effect of partial Fe substitution for Ti on the structural and magnetic properties of the Co{sub 2}TiAl. X-ray diffraction analysis indicates the presence of B2 type disorder for x > 0, (111) reflections are absent for x > 0 which is the characteristic of B2 type disorder. XRD analysis also shows presence of second phase. Magnetization measurements also confirm the presence of dual phase. Curie temperature of the alloys increases with increase in Fe concentration. Saturation magnetic moments agree very well with those calculated by Slater-Pauling rule.

  17. Impacts of a 25% Renewable Electricity Standard as Proposed in the American Clean Energy and Security Act Discussion Draft

    Reports and Publications (EIA)

    2009-01-01

    This report responds to requests from Chairman Edward Markey, for an analysis of a 25% federal renewable electricity standard (RES). The RES proposal analyzed in this report is included in the discussion draft of broader legislation, the American Clean Energy and Security Act (ACESA) of 2009, issued on the Energy and Commerce Committee website at the end of March 2009.

  18. Renewable Energy Standard

    Broader source: Energy.gov [DOE]

    NOTE: In December 2014, the PUC  (Docket No. 4404) decided to delay the 1.5% increase in RES for 2015 by one year, thus reducing the RES 2019 goal from 16% to 14.5%. 

  19. Microstructural characterization and mechanical properties of high power ultrasonic spot welded aluminum alloy AA6111–TiAl6V4 dissimilar joints

    SciTech Connect (OSTI)

    Zhang, C.Q. Robson, J.D.; Ciuca, O.; Prangnell, P.B.

    2014-11-15

    Aluminum alloy AA6111 and TiAl6V4 dissimilar alloys were successfully welded by high power ultrasonic spot welding. No visible intermetallic reaction layer was detected in as-welded AA6111/TiAl6V4 welds, even when transmission electron microscopy was used. The effects of welding time and natural aging on peak load and fracture energy were investigated. The peak load and fracture energy of welds increased with an increase in welding time and then reached a plateau. The lap shear strength (peak load) can reach the same level as that of similar Al–Al joints. After natural aging, the fracture mode of welds transferred from ductile fracture of the softened aluminum to interfacial failure due to the strength recovery of AA6111. - Highlights: • Dissimilar Al/Ti welds were produced by high power ultrasonic spot welding. • No visible intermetallic reaction layer was detected on weld interface. • The lap shear strength can reach the same level as that of similar Al–Al joints. • The fracture mode becomes interfacial failure after natural aging.

  20. Application of electrochemical techniques for machining titanium aluminide-based alloys

    SciTech Connect (OSTI)

    Ziomek-Moroz, M.; Su, W; Alman, David E.; Hawk, Jeffrey A.

    1997-01-01

    Intermetallic materials with excellent resistance to high-temperature oxidation have been considered as potential replacements for superalloys used as aerospace materials. Titanium aluminides are especially attractive for this role. However, further commercialization of titanium aluminides requires the development of non-conventional machining, such as electrochemical machining (ECM). As a first attempt in the development of the ECM process, the corrosion behavior of arc-melted gamma TiAl and alpha 2 Ti3Al was investigated along with pure titanium and aluminum in deaerated and non-deaerated solutions of sulfuric acid, sodium sulfate, and sodium hydroxide. Two types of electrochemical experiments were carried out, namely, potentiodynamic and potentiostatic. In the Na2SO4 solution, the highest current was found for Al and the lowest for TiAl. The shape of the polarization curves indicates that the intermetallics show similar behavior to that of Ti. It has been found that, in sulfuric acid, current values decrease with increasing titanium content. In the sodium sulfate and sodium hydroxide solutions, current values initially decrease with increasing titanium content and remain unchanged for higher concentrations of titanium.

  1. Saturn facility oil transfer automation system

    SciTech Connect (OSTI)

    Joseph, Nathan R.; Thomas, Rayburn Dean; Lewis, Barbara Ann; Malagon, Hector M.

    2014-02-01

    The Saturn accelerator, owned by Sandia National Laboratories, has been in operation since the early 1980s and still has many of the original systems. A critical legacy system is the oil transfer system which transfers 250,000 gallons of transformer oil from outside storage tanks to the Saturn facility. The oil transfer system was iden- ti ed for upgrade to current technology standards. Using the existing valves, pumps, and relay controls, the system was automated using the National Instruments cRIO FGPA platform. Engineered safety practices, including a failure mode e ects analysis, were used to develop error handling requirements. The uniqueness of the Saturn Oil Automated Transfer System (SOATS) is in the graphical user interface. The SOATS uses an HTML interface to communicate to the cRIO, creating a platform independent control system. The SOATS was commissioned in April 2013.

  2. PANTHER. Trajectory Analysis

    SciTech Connect (OSTI)

    Rintoul, Mark Daniel; Wilson, Andrew T.; Valicka, Christopher G.; Kegelmeyer, W. Philip; Shead, Timothy M.; Newton, Benjamin D.; Czuchlewski, Kristina Rodriguez

    2015-09-01

    We want to organize a body of trajectories in order to identify, search for, classify and predict behavior among objects such as aircraft and ships. Existing compari- son functions such as the Fr'echet distance are computationally expensive and yield counterintuitive results in some cases. We propose an approach using feature vectors whose components represent succinctly the salient information in trajectories. These features incorporate basic information such as total distance traveled and distance be- tween start/stop points as well as geometric features related to the properties of the convex hull, trajectory curvature and general distance geometry. Additionally, these features can generally be mapped easily to behaviors of interest to humans that are searching large databases. Most of these geometric features are invariant under rigid transformation. We demonstrate the use of different subsets of these features to iden- tify trajectories similar to an exemplar, cluster a database of several hundred thousand trajectories, predict destination and apply unsupervised machine learning algorithms.

  3. A Comparative Analysis of Three Proposed Federal Renewable Electricity Standards

    SciTech Connect (OSTI)

    Sullivan, Patrick; Logan, Jeffrey; Bird, Lori; Short, Walter

    2009-05-01

    This paper analyzes potential impacts of proposed national renewable electricity standard (RES) legislation. An RES is a mandate requiring certain electricity retailers to provide a minimum share of their electricity sales from qualifying renewable power generation. The analysis focuses on draft bills introduced individually by Senator Jeff Bingaman and Representative Edward Markey, and jointly by Representative Henry Waxman and Markey. The analysis uses NREL's Regional Energy Deployment System (ReEDS) model to evaluate the impacts of the proposed RES requirements on the U.S. energy sector in four scenarios.

  4. Comparative Analysis of Three Proposed Federal Renewable Electricity Standards

    SciTech Connect (OSTI)

    Sullivan, P.; Logan, J.; Bird, L.; Short, W.

    2009-05-01

    This paper analyzes potential impacts of proposed national renewable electricity standard (RES) legislation. An RES is a mandate requiring certain electricity retailers to provide a minimum share of their electricity sales from qualifying renewable power generation. The analysis focuses on draft bills introduced individually by Senator Jeff Bingaman and Representative Edward Markey, and jointly by Representative Henry Waxman and Markey. The analysis uses NREL's Regional Energy Deployment System (ReEDS) model to evaluate the impacts of the proposed RES requirements on the U.S. energy sector in four scenarios.

  5. Section 59

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

    tropospheric sulfate, J. Geophys. Res. Chuang, C.C., J.E. Penner, K.E. Taylor, A.S. Grossman, and J.J. Walton, Accepted: An assessment of the radiative effects of anthropogenic...

  6. ALS Staff Photo

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

    Print On May 14, 2013, members of ALS staff posed for a group photo in front of the dome. A hi-res version can be downloaded here. The last staff photo was taken in 2006. 2013...

  7. T. D. Tharp, A. F. Almagri, M. ...

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

    ... Plasma Sci. PS-7, 120 1979. 18 C. Cothran, M. Landreman, and M. Brown, Geophys. Res. Lett. 32, L3105 2005. 19 D. D. Schnack, D. Barnes, Z. Mikic, D. S. Harned, E. J. ...

  8. A New Improved Na-K Geothermometer By Artificial Neural Networks...

    Open Energy Info (EERE)

    567-577), Truesdell (1975; Proc. 2nd UN Symposium), Tonani (1980; Proc. Adv. Eur. Geoth. Research, 2nd Symposium), Fournier (1979a; J. Volcanol. Geotherm. Res. 5, 1-16), Nieva and...

  9. National Reservation Economic Summit 2016 | Department of Energy

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

    National Reservation Economic Summit 2016 National Reservation Economic Summit 2016 March 21, 2016 9:00AM PDT to March 24, 2016 5:00PM PDT National Reservation Economic Summit (RES

  10. BPA-2011-00988-FOIA Request

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

    this matter. Res-pact , Robert Tromp Subrogation Investigator Apr. 18. 2011 2: 6 5FM I ravel ers NO. OU44 r. TRAVELERS 11 APR I 8 AN II : 36 Robert Tromp Travelers Insurance...

  11. ATF2 Proposal (Technical Report) | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    decision on the choice of technology, a world-wide collaboration on the design of the ... High Energy Phys. Oxford U. KEK, Tsukuba Kyoto U., Inst. Chem. Res. Orsay, LAL ...

  12. Center for Nanophase Materials Sciences (CNMS) - Publications

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

    ... Res. 47, 6426-6433 (2008). Jang, H. W., S. H. Baek, D. Ortiz, C. M. Folkman, R. R. Das, Y. H. Chu, P. Shafer, J. X. Zhang, S. Choudhury, V. Vaithyanathan, Y. B. Chen, D. A. Felker, ...

  13. National Center for American Indian Enterprise Development (Reservation Economic Summit)

    Broader source: Energy.gov [DOE]

    At RES D.C. Native entrepreneurs will experience a major boost to the networking opportunities. The Procurement aspect will gain a big boost simply by location where buyers can link up with...

  14. Development of Aerosol Models for Radiative Flux Calculations...

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

    1985-1992. J. Geophys. Res., 99, 25,845-25,855. Quinn, P. K., T. L. Miller, T. S. Bates, J. A. Ogren, E. Andrews, and G. E. Shaw, 2002: A 3-year record of simultaneously...

  15. DRAFT: ACME-ARM-ASR Coordination Workshop

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

    ... J. Geophys. Res., 117, D05204, doi:10.10292011JD016595. Golaz, J. C., V. E. Larson, and W. R. Cotton, 2002: A PDF-based model for boundary layer clouds. Part I: Method and model ...

  16. Microsoft Word - Haeffelin-MP.doc

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

    ... J. Geophys. Res., 102, 25,881-25,898. Kato S., T. P. Ackerman, E. G. Dutton, N. Laulainen, and N. Larson, 1999: A comparison of modeled and measured surface shortwave irradiance ...

  17. CarBen_Operators_Manual_-_9-27-10_Final_Draft

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

    Source Data o ER: Emissions Reduction Case o Ref: Reference Case o Res: Residential Module o Com: Commercial Module o Ind: Industrial Module o Elec: Electricity Module o Trans:...

  18. Renewable Energy Standard

    Broader source: Energy.gov [DOE]

    Utilities subject to the RES must obtain renewable energy credits (RECs**) from eligible renewable resources to meet 15% of their retail electric load by 2025 and thereafter. Of this percentage, ...

  19. Cal. Pub. Util. Code 1001 | Open Energy Information

    Open Energy Info (EERE)

    Util. Code 1001 (Redirected from Cal. Pub. Res. Code 1001) Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Cal. Pub. Util....

  20. Fermilab | Newsroom | Press Releases | May 8, 2013: Muon g-2...

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

    High Res Crews work to attach the red stabilizing apparatus to the Muon g-2 rings at Brookhaven National Laboratory in New York in preparation for moving them over land and sea to...

  1. MEMORANDUM TO: F I L E S I T E NAME: ALTERNATE

    Office of Legacy Management (LM)

    S I T E NAME: ALTERNATE caNAM----i---...m C I T Y : w - A - - - - - - - - - - - - - - - - - - - - - - STATE : -&t- d-e---- TYPE O OPERATION ------'---... 0 Res&rch ...

  2. New MagViz Airport Liquid Analysis System Undergoes Testing

    ScienceCinema (OSTI)

    None

    2010-01-08

    LOS ALAMOS, New Mexico, December 16, 2008?An innovative application of a technology first used for medical imaging may enhance airport security if Los Alamos National Laboratory scientists are successful. Los Alamos technologists have adapted Magnetic Res

  3. B

    Office of Legacy Management (LM)

    ;;;. plf. t& -b ,,::";:,I. , P- ' ' I- : 7 I T,f , - . -.. ..... . yL." j";;e,.i.--ey- g-- .. .... fi' B res ...: j w CWies, Series-, . CtASlfKATION ...

  4. News Item

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

    Monolayer Behavior Retained in Bulk Semiconducting Transition Metal Dichalcogenide Comparison of the structure of ReS2 with the conventional structure of sTMDs such as MoS2 from...

  5. nabrajbhattarai | The Ames Laboratory

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

    nabrajbhattarai Ames Laboratory Profile Nabraj Bhattarai Postdoc Res Associate Division of Materials Science & Engineering 216 Wilhelm Phone Number: 515-294-2162 Email Address: nabrajbhattarai@ameslab.gov

  6. In re Kent Pond, No MLP-03-10, Findings of Fact, Conclusions...

    Open Energy Info (EERE)

    re Kent Pond, No MLP-03-10, Findings of Fact, Conclusions of Law, and Order at 8, 13 (Vt. Water Res. Bd. May, 2004) Jump to: navigation, search OpenEI Reference LibraryAdd to...

  7. Papers and Reports

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

    2. Modeling,J. Geophys. Res. Space Physics, 118, 6166-6175, doi:10.10022013JA018943. Wang, C.-P., C. Yue, S. Zaharia, X. Xing, L. Lyons, V. Angelopoulos, T. Nagai, and T. Lui...

  8. ANALYTICAL DATA SHEET ANALYTICAL DEPT. - HEALTH Al\\rD SAFETY...

    Office of Legacy Management (LM)

    Be Th --- Hour Sample Description IR T Q 6938 6939 BZ Using pneumatic powered circular .02 3 .06 brush to clean scriw. Dust-foe res- pirator and goggles worn. 0944 GA During power ...

  9. Consumers Energy Co | Open Energy Information

    Open Energy Info (EERE)

    0.0833kWh The following table contains monthly sales and revenue data for Consumers Energy Co (Michigan). Scroll leftright to see all of the table values. Month RES REV...

  10. Sustainable Energy Trust Fund

    Broader source: Energy.gov [DOE]

    The SETF is financed by a non-bypassable surcharge on the electric and natural gas bills of utility customers who are not Residential Aid Discount (RAD) or Residential Essential Service (RES)...

  11. White Papers on Materials for Photoelectrochemical Water Splitting

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

    M. Powalla, Prog. Photovolt. Res. Appl. 19 (2011) 894. 4 J. Kaneshiro, Dissertation Thesis, University of Hawaii at Mnoa, 2012. 5 S. Wojtczuk, P. Chiu, X. Zhang, D. Derkacs,...

  12. CX-008718: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Revolution Energy Services (RES) Agriculture (Ag) – Forest Glen Oaks LLC Biomass Project CX(s) Applied: B4.13 Date: 05/16/2012 Location(s): Oregon Offices(s): Bonneville Power Administration

  13. video | Princeton Plasma Physics Lab

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

    Here are some videos that explain fusion, the primary research project at PPPL: PHD Comics: Fusion Energy Explained - What is Fusion? (external link) Star Power Hi-Res A Star on ...

  14. Presentations

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

    March 19, 2013 | Author(s): Alex Friedman, LLNL | Download File: ndcx40g.r6000res1280ipstep5faster.mov | mov | 26 MB Kinetic Modelling in ICF March 19, 2013 | Author(s): Chuang ...

  15. Photo Gallery

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

    imagesmediaphoto-gallerylarge40-60-0999-188411.jpg" target"blank">Download hi-res image
    Direct Link...

  16. Photo Gallery

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

    imagesmediaphoto-gallerylargenifexterior2013-050402.jpg" target"blank">Download hi-res image
    Direct Link

    NIF...

  17. Photo Gallery

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

    assetsimagesmediaphoto-gallerywebP1186612-lg.jpg" target"blank">Download hi-res image
    Direct Link

    Master...

  18. Microsoft Word - $ASQIEEE_Paper.doc

    Open Energy Info (EERE)

    B. W. Application of Upper Wind data in One Design of Tethered Wind Energy System. Solar Energy Res. Institute, TR-211-1400, Golden Colorado, USA, Feb 1982, pp. 1-127. 3...

  19. Geothermal significance of magnetotelluric sounding in the eastern...

    Open Energy Info (EERE)

    and fitted to geologic models. Authors Stanley, W.D.; Boehl, J.E.; Bostick, F.X.; Smith and H.W. Published Journal J. Geophys. Res., 6101977 DOI Not Provided Check for DOI...

  20. Operating Experience Summary, 2012-02

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

    Technician 1's fit test for the applicable res- pirator had lapsed in March 2010. Air Quality Monitoring and Sampling - The IRB identified two inadequa- cies in this area....

  1. ARM - Datastreams - gms5

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

    below or call us at 1-888-ARM-DATA. Send Datastream : GMS5 GMS-5: visible 1.25-km res., IR 5-km resolution Active Dates 1996.10.11 - 2003.02.16 Measurement Categories Radiometric...

  2. Simulation of 200 GeV proton-proton collisions

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

    www.staff.scienc e.uu.nlmisch101res earch.htm 4 Motivation * Simulation of photon + jet versus jet + jet production - How well are per-trigger yields measured in p+p...

  3. Integrated digital inverters based on two-dimensional anisotropic...

    Office of Scientific and Technical Information (OSTI)

    ... reported and has attracted considerable attention16. In contrast, semiconducting 2D TMDs ... In this study, we focus on monolayer and few-layer ReS2, with thicknesses ranging from 0.8 ...

  4. REP&" TO A~NOF: NE-23 SUBJECT: Commercial Facilities Used by...

    Office of Legacy Management (LM)

    ... Inc. (2) (also called ' Keledy' ne Hat. Res.) Tocco Heat Treating Cy. (2) Fenval, Inc. ... W-57180 was for three of the systems for installation at the FMPC. Tests.included the heat ...

  5. Celebration of PS

    ScienceCinema (OSTI)

    None

    2011-04-25

    Le DG John Adams parle des premières années du PS avec présentation des dias ainsi il honore Pierre Germain qui après 24 ans de travail quitte sa fonction.

  6. Slide 1

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

    LiBr MSH and Brnsted acid and not by LiBr. Metal salts could potentially serve as Lewis acids for "one- pot" downstream tandem reactions. Deng et al. Ind. Eng. Chem. Res....

  7. SU-E-T-183: Feasibility of Extreme Dose Escalation for Glioblastoma...

    Office of Scientific and Technical Information (OSTI)

    Original VMAT plans were created with 2 to 4 coplanar or non-coplanar arcs using 3 mm hi-res MLC. The 4 optimization, using 5 mm MLC, selected and inverse optimized 30 beams...

  8. Project Notebook - Makah Indian Nation "Next Steps to Implement...

    Office of Environmental Management (EM)

    Potential sources of self-generation Wave energy Bio-gasification Small wind energy ... Execute on minimal necessity Load Summary Meters % of Total Annual usage kWh Res 1 phase ...

  9. Indian Energy News Archive | Department of Energy

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

    Nevada. Part of DOE's silver-level sponsorship of RES 2014, the forum will take place on March 17, 2014, from 9 a.m.-5:30 p.m. and will feature the following roundtable sessions:...

  10. Chinmayee Subban > Postdoc - Université de Picardie Jules Verne > Center

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

    EIA April 08, 2008 2 Oil Shocks and Oil Shocks and External Adjustment External Adjustment By By Bodenstein Bodenstein , , Erceg Erceg , , And And Guerrieri Guerrieri (Fed Board) (Fed Board) Discussion Discussion Alessandro Alessandro Rebucci Rebucci IMF RES IMF RES 3 Paper Contribution Paper Contribution n n DGE analysis of international transmission DGE analysis of international transmission of oil shocks of oil shocks n n Alternative assumptions on trade Alternative assumptions on trade

  11. China’s Emergence and Its Impact on the Global Economy

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

    EIA April 08, 2008 2 Oil Shocks and Oil Shocks and External Adjustment External Adjustment By By Bodenstein Bodenstein , , Erceg Erceg , , And And Guerrieri Guerrieri (Fed Board) (Fed Board) Discussion Discussion Alessandro Alessandro Rebucci Rebucci IMF RES IMF RES 3 Paper Contribution Paper Contribution n n DGE analysis of international transmission DGE analysis of international transmission of oil shocks of oil shocks n n Alternative assumptions on trade Alternative assumptions on trade

  12. Industrial Application of Thin Films (TiAl)N Deposited on Thermo-Wells

    SciTech Connect (OSTI)

    Velez, G.; Jaramillo, S.; Arango, Y. C.; Devia, D.; Quintero, J.; Devia, A.

    2006-12-04

    The thermo-well is formed by two layers, one layer is a ceramic and the other layer is anviloy (comprised tungsten). They are used to coat the thermocouple in the control temperature system during the Aluminum-Silicon alloy melting process. After two weeks of continuous work at 750 deg. C of temperature (the alloy temperature), a high wear in this material is observed, affecting the ceramic. (TiAl)N thin films are deposited directly on the anviloy substrates by the PAPVD (Plasma Assisted Physics Vapor Deposition) in arc pulsed technique, using a TiAl target in a mono-vaporizer system, composed by a reactor and a power controlled system. Two opposite electrodes are placed into the reactor and discharge is produced by a controlled power system. The XRD (X-ray diffraction) patterns show the presence of the (TiAl)N thin film peaks. The morphological characteristics are studied by the scanning probe microscopy (SPM)

  13. Thermal protection of H13 steel by growth of (TiAl)N films by PAPVD pulsed arc technique

    SciTech Connect (OSTI)

    Jimenez, H.; Devia, D.M.; Benavides, V.; Devia, A. Arango, Y.C.; Arango, P.J.; Velez, J.M.

    2008-08-15

    (TiAl)N Films were grown on H13 steel by a plasma assisted repetitive pulsed arc discharge. To grow the coatings, a TiAl sintered cathode was used, 50% Ti-50% Al. The deposition system consists of a reaction chamber with two electrodes placed face to face. A pulsed power supply, which allows for control of parameters like time active arc, time between arcs, arc energy, and others, is used to generate the discharge. Thermal changes were carried out on H13 steel before and after growing the (TiAl)N films. X-ray diffraction (XRD) was employed to study the coatings, observing the H13 steel and (TiAl)N oxidation temperature. Morphological characteristics were analyzed by means of an Atomic Force Microscopy (AFM). Scanning electron microscopy (SEM) revealed the surface chemical composition of the films and morphological details of the samples.

  14. Thermomechanical treatment for improved neutron irradiation resistance of austenitic alloy (Fe-21Cr-32Ni)

    SciTech Connect (OSTI)

    L. Tan; J. T. Busby; H. J. M. Chichester; K. Sridharan; T. R. Allen

    2013-06-01

    An optimized thermomechanical treatment (TMT) applied to austenitic alloy 800H (Fe-21Cr-32Ni) had shown significant improvements in corrosion resistance and basic mechanical properties. This study examined its effect on radiation resistance by irradiating both the solution-annealed (SA) and TMT samples at 500 degrees C for 3 dpa. Microstructural characterization using transmission electron microscopy revealed that the radiation-induced Frank loops, voids, and y'-Ni3(Ti,Al) precipitates had similar sizes between the SA and TMT samples. The amounts of radiation-induced defects and more significantly y' precipitates, however, were reduced in the TMT samples. These reductions would approximately reduce by 40.9% the radiation hardening compared to the SA samples. This study indicates that optimized-TMT is an economical approach for effective overall property improvements.

  15. Environmental effect on room-temperature ductility of isothermally forged TiAl-base alloys

    SciTech Connect (OSTI)

    Nakamura, Morihiko; Hashimoto, Kenki (National Research Inst. for Metals, Tokyo (Japan)); Itoh, Naoyuki (Nippon Steel Corp., Chiba (Japan)); Tsujimoto, Tokuzo (Ibaraki Univ. (Japan). Faculty of Engineering); Suzuki, Toshiyuki (Kougakuin Univ., Tokyo (Japan))

    1994-02-01

    Isothermally forged TiAl-base alloy (Al-rich, Mn-containing, and Cr-containing TiAl) were heat-treated in various conditions, and equiaxed grain structures consisting of [gamma] and [alpha][sub 2] or [beta] phases were obtained. The heat-treated alloys were tensile tested in vacuum and air at room temperature, and the environmental effect on tensile elongation was studied. The ductility of the alloys consisting of equiaxed [gamma] grains and a large amount of [alpha][sub 2] grains was not largely affecting by laboratory air, and a decrease in the amount of [alpha][sub 2] grains resulted in a large reduction of ductility in air. The [beta] phase in the Cr-containing alloy improved the ductility in vacuum, but it resulted in a large reduction of ductility in air.

  16. Resilient Core Networks for Energy Distribution

    SciTech Connect (OSTI)

    Kuntze, Nicolai; Rudolph, Carsten; Leivesley, Sally; Manz, David O.; Endicott-Popovsky, Barbara E.

    2014-07-28

    Abstract—Substations and their control are crucial for the availability of electricity in today’s energy distribution. Ad- vanced energy grids with Distributed Energy Resources require higher complexity in substations, distributed functionality and communication between devices inside substations and between substations. Also, substations include more and more intelligent devices and ICT based systems. All these devices are connected to other systems by different types of communication links or are situated in uncontrolled environments. Therefore, the risk of ICT based attacks on energy grids is growing. Consequently, security measures to counter these risks need to be an intrinsic part of energy grids. This paper introduces the concept of a Resilient Core Network to interconnected substations. This core network provides essen- tial security features, enables fast detection of attacks and allows for a distributed and autonomous mitigation of ICT based risks.

  17. Buildings Energy Data Book: 5.6 Lighting

    Buildings Energy Data Book [EERE]

    6 2010 Lamp Wattage, Number of Lamps, and Hours of Usage Lamp Wattage (Watts per lamp) Number of Lamps per Building Hours of Usage per Day Res Com Ind Other (1) Res Com Ind Res Com Ind Other Incandescent 56 53 46 68 32 14 1 2 10 13 9 General (A-type, Decorative) (2) 58 58 46 N/A 27 8 1 2 10 13 N/A Reflector 69 79 65 N/A 4 4 0 (3) 2 10 12 N/A Miscellaneous 45 7 0 68 1 3 N/A 2 11 0 9 Halogen 65 68 68 149 2 9 0 2 12 12 11 General 50 46 36 N/A 0 0 0 2 12 12 N/A Reflector 68 78 64 N/A 1 4 0 2 12 12

  18. NRC safety research in support of regulation - FY 1994. Volume 9

    SciTech Connect (OSTI)

    1995-06-01

    This report, the tenth in a series of annual reports, was prepared in response to congressional inquiries concerning how nuclear regulatory research is used. It summarizes the accomplishments of the Office of Nuclear Regulatory Research during FY 1994. The goal of the Office of Nuclear Regulatory Research (RES) is to ensure the availability of sound technical bases for timely rulemaking and related decisions in support of NRC regulatory/licensing/inspection activities. RES also has responsibilities related to the resolution of generic safety issues and to the review of licensee submittals regarding individual plant examinations. It is the responsibility of RES to conduct the NRC`s rulemaking process, including the issuance of regulatory guides and rules that govern NRC licensed activities.

  19. Buildings Energy Data Book: 5.8 Active Solar Systems

    Buildings Energy Data Book [EERE]

    9 Total Grid-Tied PV Capacity, by State Net Metering Utility (2006) PV Capacity as of 2007 (MW) Utility Residential Non-Res. State Total (1) Residential Non-Res. Unknown Participants (2) Customers Customers California New Jersey Arizona Nevada New York Colorado Massachusetts Hawaii Texas All Other States Total (3) Note(s): Source(s): 3,146 1) Projections totals may not add due to rounding. 2) Includes entities with participants in more than one state. 3) Arizona does not have state- wide net

  20. Workbook Contents

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

    Annual",2015,"6/30/1936" ,"Release Date:","4/29/2016" ,"Next Release Date:","8/31/2016" ,"Excel File Name:","pet_move_res_a_eppr_im0_mbbl_a.xls" ,"Available from Web Page:","http://www.eia.gov/dnav/pet/pet_move_res_a_eppr_im0_mbbl_a.htm" ,"Source:","Energy Information Administration" ,"For Help, Contact:","infoctr@eia.gov" ,,"(202)

  1. Workbook Contents

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

    Monthly","2/2016","1/15/1936" ,"Release Date:","4/29/2016" ,"Next Release Date:","5/31/2016" ,"Excel File Name:","pet_move_res_a_eppr_im0_mbbl_m.xls" ,"Available from Web Page:","http://www.eia.gov/dnav/pet/pet_move_res_a_eppr_im0_mbbl_m.htm" ,"Source:","Energy Information Administration" ,"For Help, Contact:","infoctr@eia.gov" ,,"(202)

  2. The Importance of High Temporal Resolution in Modeling Renewable Energy Penetration Scenarios

    SciTech Connect (OSTI)

    Nicolosi, Marco; Mills, Andrew D; Wiser, Ryan H

    2010-10-08

    Traditionally, modeling investment and dispatch problems in electricity economics has been limited by computation power. Due to this limitation, simplifications are applied. One common practice, for example, is to reduce the temporal resolution of the dispatch by clustering similar load levels. The increase of intermittent electricity from renewable energy sources (RES-E) changes the validity of this assumption. RES-E already cover a certain amount of the total demand. This leaves an increasingly volatile residual demand to be matched by the conventional power market. This paper quantifies differences in investment decisions by applying three different time-resolution residual load patterns in an investment and dispatch power system model. The model optimizes investment decisions in five year steps between today and 2030 with residual load levels for 8760, 288 and 16 time slices per year. The market under consideration is the four zone ERCOT market in Texas. The results show that investment decisions significantly differ across the three scenarios. In particular, investments into base-load technologies are substantially reduced in the high resolution scenario (8760 residual load levels) relative to the scenarios with lower temporal resolution. Additionally, the amount of RES-E curtailment and the market value of RES-E exhibit noteworthy differences.

  3. Power from bio-sources in Italy incentives and results

    SciTech Connect (OSTI)

    Gerardi, V.; Ricci, A.; Scoditti, E.

    1996-12-31

    In Italy most of the technologies for producing power from bio-sources, as well as from other non-conventional renewable Energy Sources (RES), are rather mature, but their exploitation is still not completely convenient from the economic point of view. It depends on many factors, such as designing of plants, selection of energy conversion system and components, selection of installation site, size of market still too limited, high production costs of the technologies and lack of adequate financial supports. In the early nineties, in the attempt to overcome this situation, the Italian Government issued a series of measures addressed mainly to the power production from RES. This gives a short description of the regulations in force and some details about an important incentive tool (CIP 6/92 and relative decrees) for RES power plants installation. In particular, it indicates the possible power plant typologies, the criteria to assimilate the fossil fuel plants to RES ones, the present prices of electricity transferred into the grid and the methodology for updating the prices. Furthermore, the paper gives some data concerning submitted proposals, plant operation planning and their geographic distribution according to different bio-sources typologies.

  4. ALS Staff Photo

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

    Staff Photo Print On May 14, 2013, members of ALS staff posed for a group photo in front of the dome. A hi-res version can be downloaded here. The last staff photo was taken in 2006. 2013 staff photo

  5. ARM - Datastreams - avhrr14lacman

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

    lacman Documentation XDC documentation Data Quality Plots ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Datastream : AVHRR14LACMAN AVHRR (NOAA 14), 1-km res., local area coverage of Manus

  6. ARM - Datastreams - avhrr14lacnau

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

    lacnau Documentation XDC documentation Data Quality Plots ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Datastream : AVHRR14LACNAU AVHRR (NOAA 14), 1-km res., local area coverage of Nauru

  7. ARM - Datastreams - avhrr16lacman

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

    lacman Documentation XDC documentation Data Quality Plots ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Datastream : AVHRR16LACMAN AVHRR (NOAA 16), 1-km res., local area coverage of Manus

  8. ARM - Datastreams - avhrr16lacnau

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

    lacnau Documentation XDC documentation Data Quality Plots ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Datastream : AVHRR16LACNAU AVHRR (NOAA 16), 1-km res., local area coverage of Nauru

  9. ARM - Datastreams - avhrr17lacman

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

    lacman Documentation XDC documentation Data Quality Plots ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Datastream : AVHRR17LACMAN AVHRR (NOAA 17), 1-km res., local area coverage of Manus from Kwajalein, provided by Aeromet Active Dates 2002.09.16

  10. ARM - Datastreams - avhrr17lacnau

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

    lacnau Documentation XDC documentation Data Quality Plots ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Datastream : AVHRR17LACNAU AVHRR (NOAA 17), 1-km res., local area coverage of Nauru from Kwajalein, provided by Aeromet Active Dates 2002.09.15

  11. Microsoft Word - summer.doc

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

    b trac ting fro m th e da ily a ve rag e hig h te m p e ra tu res fo r th e la st 10 y ea rs a n am o un t e qu al to tw ice a n estim ate o f the stan da rd de via tion for h igh...

  12. Recent NRC research activities addressing valve and pump issues

    SciTech Connect (OSTI)

    Morrison, D.L.

    1996-12-01

    The mission of the U.S. Nuclear Regulatory Commission (NRC) is to ensure the safe design, construction, and operation of commercial nuclear power plants and other facilities in the U.S.A. One of the main roles that the Office of Nuclear Regulatory Research (RES) plays in achieving the NRC mission is to plan, recommend, and implement research programs that address safety and technical issues deemed important by the NRC. The results of the research activities provide the bases for developing NRC positions or decisions on these issues. Also, RES performs confirmatory research for developing the basis to evaluate industry responses and positions on various regulatory requirements. This presentation summarizes some recent RES supported research activities that have addressed safety and technical issues related to valves and pumps. These activities include the efforts on determining valve and motor-operator responses under dynamic loads and pressure locking events, evaluation of monitoring equipment, and methods for detecting and trending aging of check valves and pumps. The role that RES is expected to play in future years to fulfill the NRC mission is also discussed.

  13. An investigation on microstructure evolution and mechanical properties during liquid state diffusion bonding of Al2024 to Ti6Al4V

    SciTech Connect (OSTI)

    Samavatian, Majid; Halvaee, Ayoub; Amadeh, Ahmad Ali; Khodabandeh, Alireza

    2014-12-15

    Joining mechanism of Ti/Al dissimilar alloys was studied during liquid state diffusion bonding process using Cu/Sn/Cu interlayer at 510 C under vacuum of 7.5 10{sup ?5} Torr for various bonding times. The microstructure and compositional changes in the joint zone were analyzed by scanning electron microscopy equipped with energy dispersive spectroscopy and X-ray diffraction. Microhardness and shear strength tests were also applied to study the mechanical properties of the joints. It was found that with an increase in bonding time, the elements of interlayer diffused into the parent metals and formed various intermetallic compounds at the interface. Diffusion process led to the isothermal solidification and the bonding evolution in the joint zone. The results from mechanical tests showed that microhardness and shear strength values have a straight relation with bonding time so that the maximum shear strength of joint was obtained for a bond made with 60 min bonding time. - Highlights: Liquid state diffusion bonding of Al2024 to Ti6Al4V was performed successfully. Diffusion of the elements caused the formation of various intermetallics at the interface. Microhardness and shear strength values have a straight relation with bonding time. The maximum shear strength reached to 36 MPa in 60 min bonding time.

  14. Microstructural studies on cast Zr[sub 3]Al-3wt%Nb

    SciTech Connect (OSTI)

    Tewari, R.; Dey, G.K.; Mukhopadhyay, P.; Banerjee, S. . Metallurgy Div.)

    1994-05-01

    In the binary Zr-Al system, Zr[sub 3]Al is the intermetallic phase richest in zirconium. In view of its low absorption cross section for thermal neutrons and its good strength and corrosion resistance, Zr[sub 3]Al may have possible applications as a structural material in thermal reactors. This phase has the ordered cubic L1[sub 2] structure and forms through the peritectoid reaction: [beta]-Zr + Zr[sub 2]Al[minus] > Zr[sub 3]Al, the reaction temperature being 1,292 K. Structurally Zr[sub 3]Al is quite similar to the [alpha][sub 2] or the Ti[sub 3]Al phase (ordered hexagonal DO[sub 19] structure) in the Ti-Al system, the two structures differing only in the stacking sequence of the close packed atomic layers. But for its inherent brittleness, Ti[sub 3]Al is a promising structural material for aerospace applications. It has, however, been demonstrated that niobium additions can reduce the brittleness of this phase. Studies on the Ti[sub 3]Al-Nb system have also shown that niobium stabilizes the high temperature [beta] phase (bcc structure) which, on cooling, can decompose through various phase reactions, generating some interesting microstructures. Similar studies on the Zr[sub 3]Al-Nb system have not been reported yet. The present paper describes some microstructural observations made on a cast Zr[sub 3]Al-3wt%Nb alloy.

  15. Ion velocities in direct current arc plasma generated from compound cathodes

    SciTech Connect (OSTI)

    Zhirkov, I.; Rosen, J.; Eriksson, A. O.; Oerlikon Balzers Coating AG, Iramali 18, 9496 Balzers

    2013-12-07

    Arc plasma from Ti-C, Ti-Al, and Ti-Si cathodes was characterized with respect to charge-state-resolved ion energy. The evaluated peak velocities of different ion species in plasma generated from a compound cathode were found to be equal and independent on ion mass. Therefore, measured difference in kinetic energies can be inferred from the difference in ion mass, with no dependence on ion charge state. The latter is consistent with previous work. These findings can be explained by plasma quasineutrality, ion acceleration by pressure gradients, and electron-ion coupling. Increasing the C concentration in Ti-C cathodes resulted in increasing average and peak ion energies for all ion species. This effect can be explained by the cohesive energy rule, where material and phases of higher cohesive energy generally result in increasing energies (velocities). This is also consistent with the here obtained peak velocities around 1.37, 1.42, and 1.55 (10{sup 4} m/s) for ions from Ti{sub 0.84}Al{sub 0.16}, Ti{sub 0.90}Si{sub 0.10}, and Ti{sub 0.90}C{sub 0.10} cathodes, respectively.

  16. Interfacial shear behavior and its influence on fiber damage in sapphire-reinforced gamma titanium aluminide composites. Doctoral thesis

    SciTech Connect (OSTI)

    Galbraith, J.M.

    1993-05-01

    The interfacial shear behavior and its influence on fiber damage in sapphire-reinforced TiAl composites was investigated using a combination of microscopic characterization, indentation crack growth results, fiber pushout testing, fiber displacement measurements, and computational analyses. Two interrelated phenomena were studied: (1) residual stresses and resulting damage within fibers intersecting a free surface and (2) fiber/matrix interfacial strength behavior. In the first aspect of this study, experimental observations, finite element analysis, as well as analytical computations were all used to analyze the evolution of fiber damage that was observed in fibers intersecting a free surface in sapphire-reinforced Ti-48Al-IV composites. Experimental observations indicate that, under certain conditions, surface cracks introduced during specimen preparation will propagate along the fiber axis due to thermally-induced residual stresses. Finite element computations predict that significant thermally-induced residual tensile stresses exist in sapphire fibers embedded within TiAl-based matrices when they intersect and are oriented normal to a free surface. Indentation crack growth behavior within the sapphire fibers provided experimental validation of the predicted stress state. Finally, the application of an exact elastic analysis indicates that tensile stresses also exist within fibers oriented parallel to and near a free surface.

  17. Corrosion of aluminides by molten nitrate salt

    SciTech Connect (OSTI)

    Tortorelli, P.F.; Bishop, P.S.

    1990-01-01

    The corrosion of titanium-, iron-, and nickel-based aluminides by a highly aggressive, oxidizing NaNO{sub 3}(-KNO{sub 3})-Na{sub 2}O{sub 2} has been studied at 650{degree}C. It was shown that weight changes could be used to effectively evaluate corrosion behavior in the subject nitrate salt environments provided these data were combined with salt analyses and microstructural examinations. The studies indicated that the corrosion of relatively resistant aluminides by these nitrate salts proceeded by oxidation and a slow release from an aluminum-rich product layer into the salt at rates lower than that associated with many other types of metallic materials. The overall corrosion process and resulting rate depended on the particular aluminide being exposed. In order to minimize corrosion of nickel or iron aluminides, it was necessary to have aluminum concentrations in excess of 30 at. %. However, even at a concentration of 50 at. % Al, the corrosion resistance of TiAl was inferior to that of Ni{sub 3}Al and Fe{sub 3}Al. At higher aluminum concentrations, iron, nickel, and iron-nickel aluminides exhibited quite similar weight changes, indicative of the principal role of aluminum in controlling the corrosion process in NaNO{sub 3}(-KNO{sub 3})-Na{sub 2}O{sub 2} salts. 20 refs., 5 figs., 3 tabs.

  18. Effect of a ductility layer on the tensile strength of TiAl-based multilayer composite sheets prepared by EB-PVD

    SciTech Connect (OSTI)

    Zhang, Rubing; Zhang, Yaoyao; Liu, Qiang; Chen, Guiqing; Zhang, Deming

    2014-09-15

    TiAl/Nb and TiAl/NiCoCrAl laminate composite sheets with a thickness of 0.4–0.6 mm and dimensions of 150 mm × 100 mm were successfully fabricated by electron beam physical vapor deposition. The microstructures of the sheets were examined, and their mechanical properties were compared with those of TiAl monolithic sheet produced by electron beam physical vapor deposition. Tensile testing was performed at room temperature and 750 °C, and the fracture surfaces were examined by scanning electron microscopy. Among the three microlaminate sheets, the TiAl/NiCoCrAl micro-laminate sheet had the best comprehensive properties at room temperature, and the TiAl/Nb micro-laminate sheet showed the ideal high-temperature strength and plasticity at 750 °C. The result was discussed in terms of metal strengthening mechanism. - Highlights: • TiAl-based multilayer foils was fabricated successfully by using EB-PVD method; • The tensile properties and micro-fracture morphologies of the sheet were investigated; • The deformation behavior of the multilayer foils was discussed.

  19. Optical/electrical correlations in ZnO: the plasmonic resonance phase diagram

    SciTech Connect (OSTI)

    Look, David C.; Droubay, Timothy C.; Chambers, Scott A.

    2013-08-05

    Following the Drude model for dielectric constant, ?(E) = ??(E) + i???(E), the plasmonic resonance energy Eres in a semiconductor depends on four parameters: ??(?) (or ??) , effective mass m*, optical mobility opt, and optical carrier concentration nopt. By solving the Drude equation at ?(Eres) = 0, we obtain a relationship between opt and nopt at constant Eres [or wavelength ?res(m) = 1.2395/Eres(eV)]. A family of opt vs nopt curves covering a range of ?res values (including the limiting wavelength ?res = ?) constitute a plasmonic resonance phase diagram (PRPD) for a semiconductor defined by only ?? and m*. The PRPD is a convenient instrument that allows an immediate prediction of ?res from Hall-effect measurements of H and nH. Furthermore, if the H/nH point falls outside the family of opt vs nopt curves, it shows that no resonance at all is possible. We apply the PRPD analysis to a series of ten ZnO samples grown by pulsed laser deposition at 200 ?C in an ambient of 33%H2:67%Ar and annealed in 25-?C steps for 10 min in air at various temperatures from 400 ?C to 600 ?C. The unannealed sample had a resistivity ? = 1.67 x 10-4 ?-cm, n = 1.39 x 1021 cm-3, and = 26.8 cm2/V-s, and the 600-?C sample, ? = 1.52 ?-cm, n = 5.03 x 1017 cm-3, and = 8.2 cm2/V-s. Each of the ten H/nH points was plotted on the PRPD. For the samples that were annealed at 550 ?C or lower, the H/nH points yielded predicted values of ?res that ranged from 1.07 to 2.80 m, respectively; however, the 575-?C and 600-?C samples were predicted to have no resonances at all. Reflectance curves for the eight samples annealed up to 550 ?C de-creased slowly from 6 eV down to about 1 eV, and then increased rapidly at an energy evidently close to Eres. In contrast, there was no such increase for the 575-?C and 600-?C samples, and thus presumably, no resonance. Satisfactory agreement is found between the reflectance and Hall-effect-predicted values of ?res.

  20. Experiment summary for n/y attenuation through materials (Environments 1A).

    SciTech Connect (OSTI)

    DePriest, Kendall Russell

    2006-05-01

    The Radiation Effects Sciences (RES) program is responsible for conducting Neutron Gamma Energy Transport (NuGET) code validation. In support of this task, a series of experiments were conducted in the annular core research reactor (ACRR) to investigate the modification of the incident neutron/gamma environment by aluminum (Al6061) and high-density polyethylene (HDPE) spheres with 4-in and 7-in-diameter. The experiment series described in this report addresses several NuGET validation concerns. The validation experiment series also addresses the design and execution of proper reactor testing to match the hostile radiation environments and to match the component stresses that arise from the hostile radiation environments. This report summarizes the RES Validation: n/{gamma} Attenuation through Materials, Environments 1A, experiments conducted at the ACRR in FY 2003 using ACRR Experiment Plans 933 and 949.

  1. Buildings Energy Data Book: 2.4 Residential Environmental Data

    Buildings Energy Data Book [EERE]

    1 Carbon Dioxide Emissions for U.S. Residential Buildings, by Year (Million Metric Tons) (1) Residential U.S. Site Res.% Res.% Fossil Electricity Total Total of Total U.S. of Total Global 1980 385 525 909 4723 19% 4.9% 1981 361 518 878 4601 19% 4.8% 1982 359 511 870 4357 20% 4.8% 1983 340 525 865 4332 20% 4.7% 1984 349 535 883 4561 19% 4.6% 1985 351 549 901 4559 20% 4.6% 1986 343 551 894 4564 20% 4.5% 1987 346 574 920 4714 20% 4.5% 1988 367 603 970 4939 20% 4.6% 1989 374 606 980 4983 20% 4.6%

  2. Electrochemical Study on the Electrodeposition of U, Nd, Ce, La and Y on a Liquid Cadmium Cathode in a LiCl-KCl Eutectic Salt

    SciTech Connect (OSTI)

    Sung Bin Park; Jong Hyeon Lee; Sung Chan Hwang; Young Ho Kang; Joon Bo Shim; Han Soo Lee; Eung Ho Kim; Seong Won Park

    2007-07-01

    Electro-depositions of U, Nd, Ce, La and Y on a liquid cadmium cathode in a LiCl-KCl eutectic salt were studied by using an electrolytic cell. For the LiCl-KCl-UCl{sub 3}- NdCl{sub 3}-CeCl{sub 3}-LaCl{sub 3}-YCl{sub 3}/Cd system, cyclic voltammograms and polarization curves were measured and the electrochemical properties of the system were discussed. From the results of the electro-depositions of U and rare earth metals on the LCC, separation factors and recovery ratios of U and REs were obtained and co-electro-depositions of U and REs were investigated. (authors)

  3. SAPHIRE 8 Software Independent Verification and Validation Plan

    SciTech Connect (OSTI)

    Rae J. Nims; Kent M. Norris

    2010-02-01

    SAPHIRE 8 is being developed with a phased or cyclic iterative rapid application development methodology. Due to this approach, a similar approach is being taken for the IV&V activities on each vital software object. The IV&V plan is structured around NUREG/BR-0167, “Software Quality Assurance Program and Guidelines,” February 1993. The Nuclear Regulatory Research Office Instruction No.: PRM-12, “Software Quality Assurance for RES Sponsored Codes,” March 26, 2007 specifies that RES-sponsored software is to be evaluated against NUREG/BR-0167. Per the guidance in NUREG/BR-0167, SAPHIRE is classified as “Level 1.” Level 1 software corresponds to technical application software used in a safety decision.

  4. Reducing Ultra-Clean Transportation Fuel Costs with HyMelt Hydrogen

    SciTech Connect (OSTI)

    Donald P. Malone; William R. Renner

    2006-04-01

    Phase I of the work to be done under this agreement consisted of conducting atmospheric gasification of coal using the HyMelt technology to produce separate hydrogen rich and carbon monoxide rich product streams. In addition smaller quantities of petroleum coke and a low value refinery stream were gasified. Phase II of the work to be done under this agreement, consists of gasification of the above-mentioned feeds at a gasifier pressure of approximately 5 bar. The results of this work will be used to evaluate the technical and economic aspects of producing ultra-clean transportation fuels using the HyMelt technology in existing and proposed refinery configurations. This report describes activities for the thirteenth quarter of work performed under this agreement. MEFOS, the gasification testing subcontractor, reported to EnviRes that they were having difficulty with refractory vendors meeting specifications for the lining of the pressure vessel. EnviRes is working to resolve this issue.

  5. Visualizations Image Gallery

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

    Visualizations Visualizations Image Gallery Chensantacruz Unusual Death for Ancient Stars chombocrunch2shalehi-res.jpg Resolved Steady-State Flow in Fractured Shale inn-nano-wire-pr-green.png Indium Nitride Nanostructures For More Efficient LEDs combustionmodeling1.jpg Turbulent Combustion Simulations lic-b-427-hr-crop-small.png Turbulence in Solar Wind corecollapserotator2 Explosion Mechanism in Core-Collapse Supernovae OpenMSINERSC.jpg OpenMSI: Mass Spectrometry Images of 3 Lipids Across a

  6. OSTIblog Posts by Mary Schorn | OSTI, US Dept of Energy, Office of

    Office of Scientific and Technical Information (OSTI)

    Scientific and Technical Information Mary Schorn Mary Schorn's picture Product Manager, DOE R&D Accomplishments Putting Scientific and Technical Information in Perspective: DOE R&D Accomplishments Published on Nov 12, 2015 The Department of Energy (DOE) Office of Scientific and Technical Information (OSTI) acquires, manages, preserves, and disseminates DOE scientific and technical information (STI) such as technical reports, journals articles, videos, scientific res Read more... 15

  7. Synthesis, Structure, and Carbon Dioxide Capture Properties of Zeolitic

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

    Imidazolate Frameworks | Center for Gas SeparationsRelevant to Clean Energy Technologies | Blandine Jerome Synthesis, Structure, and Carbon Dioxide Capture Properties of Zeolitic Imidazolate Frameworks Previous Next List Anh Phan, Christian J. Doonan, Fernando J. Uribe-Romo, Carolyn B. Knobler, Michael O'Keeffe and Omar M. Yaghi, Acc. Chem. Res., 2010, 43 (1), pp 58-67 DOI: 10.1021/ar900116g Abstract Zeolites are one of humanity's most important synthetic products. These

  8. American Recovery & Reinvestment Act Newsletter - Issue 27

    Office of Environmental Management (EM)

    Continued on page 4 Oak Ridge Uses Savings to Begin Additional Recovery Act Projects OAK RIDGE, Tenn. - In 2009, the American Recovery and Reinvestment Act invested $755 million into 24 environmen- tal cleanup projects across the 34,000-acre Oak Ridge Res- ervation. As the Oak Ridge Environmental Management (EM) pro- gram's Recovery Act work progressed, projects performed under original cost estimates, resulting in savings of more than $90 million. Those savings are now being used to fund 12

  9. Single-crystal X-ray diffraction at extreme conditions: a review (Journal

    Office of Scientific and Technical Information (OSTI)

    Article) | SciTech Connect Single-crystal X-ray diffraction at extreme conditions: a review Citation Details In-Document Search Title: Single-crystal X-ray diffraction at extreme conditions: a review Authors: Ballaran, Tiziana Boffa ; Kurnosov, Alexander ; Trots, Dmytro [1] + Show Author Affiliations (Bayreuth) [Bayreuth Publication Date: 2013-12-12 OSTI Identifier: 1107433 Resource Type: Journal Article Resource Relation: Journal Name: High Pressure Res.; Journal Volume: 33; Journal Issue:

  10. News Item

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

    Discovery of New Semiconductor Holds Promise for 2D Physics and Electronics From super-lubricants, to solar cells, to the fledgling technology of valleytronics, there is much to be excited about with the discovery of a unique new two-dimensional semiconductor, rhenium disulfide, by a large international team of Molecular Foundry users. Rhenium disulfide (ReS2), unlike molybdenum disulfide and other dichalcogenides, behaves electronically as if it were a 2D monolayer even as a 3D bulk material.

  11. Numerical

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

    Data Series: No. of Residential Consumers No. of Residential Sales Consumers No. of Res. Transported Consumers No. of Commercial Consumers No. of Commercial Sales Consumers No. of Commercial Transported Consumers Avg. Consumption per Comm. Consumer No. of Industrial Consumers No. of Industrial Sales Consumers No. of Industrial Transported Consumers Avg. Consumption per Indust. Consumer Period: Annual Download Series History Download Series History Definitions, Sources & Notes Definitions,

  12. Slide 1

    Energy Savers [EERE]

    Division Of Energy and Mineral Development OFFICE OF INDIAN ENERGY AND ECONOMIC DEVELOPMENT RES 2012 - February 29. 2012 Conventional Energy and Associated Vertical Business Development Best Practices in Indian Country DIVISION OF INDIAN ENERGY POLICY DEVELOPMENT "Provide the best possible technical and economic advice and services in assisting Indian mineral owners to achieve economic self-sufficiency by creating sustainable economies through the environmentally sound development of their

  13. Slide 1

    Energy Savers [EERE]

    DOE National Electric Transmission Congestion Study Workshop Bob Smith Arizona Public Service Company December 15, 2011 San Diego Topics * Phoenix - Tucson Area - Congestion mitigated with planned transmission projects * Southern California Area - No congestion identified with current CA plans to meet RES - Conditional congestion if CA utilizes more solar from AZ/NV or wind from NM or northern Rocky Mountain Area - Conditional congestion if CA relies on out of state resources for ancillary

  14. Early Edison Users Deliver Results

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

    Eagles are Making Wind Turbines Safer for Birds Eagles are Making Wind Turbines Safer for Birds March 16, 2016 - 10:38am Addthis Video by Simon Edelman, Energy Department. | Footage courtesy of the National Renewable Energy Laboratory and RES Americas. Kelly Yaker National Renewable Energy Laboratory How does it work? Researchers at NREL teamed with industry to study the flight patterns of two eagles. The data will help the companies develop systems to detect birds and prevent collisions with

  15. Eagles are Making Wind Turbines Safer for Birds | Department of Energy

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

    Eagles are Making Wind Turbines Safer for Birds Eagles are Making Wind Turbines Safer for Birds March 16, 2016 - 10:38am Addthis Video by Simon Edelman, Energy Department. | Footage courtesy of the National Renewable Energy Laboratory and RES Americas. Kelly Yaker National Renewable Energy Laboratory How does it work? Researchers at NREL teamed with industry to study the flight patterns of two eagles. The data will help the companies develop systems to detect birds and prevent collisions with

  16. Research Highlight

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

    ARM Program Surface Measurements for Aerosol Profiles Shown to Represent Integrated Column Measurements Submitter: Andrews, E., University of Colorado Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Andrews, E., P. J. Sheridan, J. A. Ogren, and R. Ferrare (2004), In situ aerosol profiles over the Southern Great Plains cloud and radiation test bed site: 1. Aerosol optical properties, J. Geophys. Res., 109, D06208, doi:10.1029/2003JD004025. Delle Monache, L., K.

  17. Research Highlight

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

    ARM Observations Validate Climate Model for Tropical Cirrus Clouds Submitter: Comstock, J. M., Pacific Northwest National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Comstock, J.M., C. Jakob, Evaluation of tropical cirrus cloud properties derived from ECMWF model output and ground based measurements over Nauru Island, 2004, Geophys. Res. Ltr, Vol.31, L10106, doi:10.1029/2004GL019539. Composite

  18. Research Highlight

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

    Continuous Dataset of Water Vapor Measurements Throws Water on Assumptions of Cirrus Cloud Formation Submitter: Comstock, J. M., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Comstock, J. M., T. P. Ackerman, and D. D. Turner, 2004: Evidence of high ice supersaturation in cirrus clouds using ARM Raman lidar measurements. Geophys. Res. Letters, doi:10.1029/2004GL019705. To illustrate their

  19. Research Highlight

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

    Probabilistic Approach Useful for Evaluating Cloud System Models Submitter: Jakob, C., Monash University Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Jakob, C., R. Pincus, C. Hannay, and K.M. Xu (2004). Use of cloud radar observations for model evaluation: A probabilistic approach, J. Geophys. Res., 109, D03202, doi:10.1029/2003JD003473. In evaluating climate models, time and space represent key challenges

  20. Research Highlight

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

    Small Processes Make a Big Difference in Model Outcomes Submitter: Cole, J. N., Canadian Centre for Climate Modelling and Analysis Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Cole, J. N. S., H. W. Barker, D. A. Randall, M. F. Khairoutdinov, and E. E. Clothiaux (2005), Global consequences of interactions between clouds and radiation at scales unresolved by global climate models, Geophys. Res. Lett., 32,

  1. Research Highlight

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

    Weather Forecasts Help to Understand Climate Model Biases Submitter: Klein, S., Lawrence Livermore National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Klein, Stephen A., X. Jiang, J. Boyle, S. Malyshev, and S. Xie, 2006: Diagnosis of the summertime warm and dry bias over the U. S. Southern Great Plains in the GFDL climate model using a weather forecasting approach. Geophys. Res. Lett., 33,

  2. Research Highlight

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

    Shallow Clouds Make the Case for Remote Sensing Instrumentation Submitter: McFarlane, S. A., U.S. Department of Energy Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: McFarlane, S. A., and W. W. Grabowski (2007). Optical properties of shallow tropical cumuli derived from ARM ground-based remote sensing, Geophys. Res. Lett., 34, L06808, doi:10.1029/2006GL028767. In this figure, the lines indicate theoretical calculations of cloud

  3. ARM - Datastreams - avhrr12lacman

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

    lacman Documentation XDC documentation Data Quality Plots ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Datastream : AVHRR12LACMAN AVHRR (NOAA 12), 1-km res., local area coverage of Manus from Kwajalein, provided by Aeromet Active Dates 2002.04.19 - 2002.09.07

  4. ARM - Datastreams - avhrr12lacnau

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

    lacnau Documentation XDC documentation Data Quality Plots ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Datastream : AVHRR12LACNAU AVHRR (NOAA 12),1-km res., local area coverage of Nauru from Kwajalein, provided by Aeromet Active Dates 2002.04.16 - 2002.09.10

  5. Decoherence and dephasing errors caused by the dc Stark effect in rapid ion

    Office of Scientific and Technical Information (OSTI)

    transport (Journal Article) | SciTech Connect Decoherence and dephasing errors caused by the dc Stark effect in rapid ion transport Citation Details In-Document Search Title: Decoherence and dephasing errors caused by the dc Stark effect in rapid ion transport We investigate the error due to the dc Stark effect for quantum information processing for trapped ion quantum computers using the scalable architecture proposed in D. Wineland et al. [J. Res. Natl. Inst. Stand. Technol. 103, 259

  6. ucp_vogelmann.final.pptx

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

    information contact Andrew Vogelmann (vogelmann@bnl.gov) https://www.bnl.gov/envsci/bio/vogelmann-andy.php Funding provided by the DOE Office of Science Biological and Environmental Research Program through its Atmospheric Radiation Measurement Facility. References Li, Z. et al. (2015): Development of fine-resolution analyses and expanded large-scale forcing properties: 1. Methodology and evaluation, J. Geophys. Res. Atmos., 120 (2), 654-666, doi:10.1002/2014JD022245. Wu, W. et al. (2012),

  7. Research Highlight

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

    General Formulation for Representing Cloud-to-Rain Transition in Atmospheric Models Submitter: Liu, Y., Brookhaven National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Aerosol, Cloud Modeling, Cloud Properties Journal Reference: Liu, Y., P. H. Daum, R. McGraw, M. Miller, and S. Niu, 2007: Theoretical formulation for autoconversion rate of cloud droplet concentration. Geophys. Res. Lett., 34, L116821, doi:10.1029/2007GL030389

  8. Research Highlight

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

    Study Aerosol Humidity Effects Using the ARM Measurements Submitter: Li, Z., University of Maryland Area of Research: Radiation Processes Working Group(s): Aerosol Journal Reference: Jeong, M.-J., Z. Li, E. Andrews, and S.-C. Tsay (2007). Effect of aerosol humidification on the column aerosol optical thickness over the Atmospheric Radiation Measurement Southern Great Plains site, J. Geophys. Res., 112, D10202, doi:10.1029/2006JD007176. (a)-(j) Column-mean aerosol humidification factor as

  9. Research Highlight

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

    Development of a New Method for Estimating Evapotranspiration Using ARM Measurements Submitter: Li, Z., University of Maryland Area of Research: Surface Properties Working Group(s): Radiative Processes Journal Reference: Wang, K., P. Wang, Z. Li, M. Cribb, and M. Sparrow (2007). A simple method to estimate actual evapotranspiration from a combination of net radiation, vegetation index, and temperature, J. Geophys. Res., 112, D15107, doi:10.1029/2006JD008351. Wang, K., Z. Li, and M. Cribb (2006).

  10. Research Highlight

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

    a Cloud-Resolving Model to Identify the Role of Aerosols on Clouds and Precipitation Download a printable PDF Submitter: GSFC, N., NASA GSFC Area of Research: Cloud Distributions/Characterizations Working Group(s): Aerosol, Cloud Modeling Journal Reference: Tao, W.-K., X. Li, A. Khain, T. Matsui, S. Lang, and J. Simpson, 2007: The role of atmospheric aerosol concentration on deep convective precipitation: Cloud-resolving model simulations. J. Geophy. Res., (accepted). Zeng, X., W.-K. Tao, S.

  11. Research Highlight

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

    Cloud Tomography: a Novel Method for Determining 3D Cloud Liquid Water Distribution Download a printable PDF Submitter: Wiscombe, W. J., Brookhaven National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Huang, D., Y. Liu, and W. Wiscombe, 2007a: Determination of cloud liquid water distribution using 3D cloud tomography. J. Geophys. Res., submitted. Cloud tomography is a novel method for determining cloud water

  12. Research Highlight

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

    Intercomparison of Longwave Radiative Heating Algorithms Submitter: Baer, F., University of Maryland Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Baer, F., N. Arsky, J. J. Charney, and R. G. Ellingson. 1996. "Intercomparison of Heating Rates Generated by Global Climate Model Longwave Radiation Codes." J. Geoph. Res., 101, D21, 26589-26603. 30 levels of longwave heating rates for all algorithms

  13. Biodiesel Basics (Fact Sheet), Clean Cities, Energy Efficiency & Renewable Energy (EERE)

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

    is a domestically produced, renewable fuel that can be manufac- tured from new and used vegetable oils, animal fats, and recycled res- taurant grease. Biodiesel's physical properties are similar to those of petroleum diesel, but it is a cleaner- burning renewable alternative. Using biodiesel in place of petroleum diesel significantly reduces lifecycle carbon emissions. Research shows that it also reduces emissions of toxic air pollut- ants in older on-road vehicles and in many off-road

  14. Students Recognized for Creativity and Skill in Energy Education Event -

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

    News Releases | NREL Students Recognized for Creativity and Skill in Energy Education Event May 10, 2008 Photo of Bell Middle School's Christine Carnicello racing a solar powered car. Bell Middle School's Christine Carnicello watches as the team's solar sprint car races down the track during the 2008 Junior Solar Sprint and Hydrogen Fuel Cell competition. Additional high-res photos are available. Eighty-eight teams from 29 Colorado schools participated in today's Junior Solar Sprint and

  15. Scattering Workshop May 16-17, 2006

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

    Workshop on Synchrotron X-ray Scattering Techniques in Materials and Environmental Sciences: Theory and Application. group shot on the steps of bldg 41 (Click image for a hi-res version) Date: May 16 (Lectures) May 17 (Hands-on practical session) Location: SSRL Overview: Modern synchrotron-based X-ray scattering (SR-XRS) techniques offer the ability to probe nano- and atomic-scale structures and order/disorder relationships that critically govern the properties of advanced technological and

  16. Identification and evaluation of PWR in-vessel severe accident management strategies

    SciTech Connect (OSTI)

    Dukelow, J S [Pacific Northwest Lab., Richland, WA (United States); Harrison, D G [Jason Associates, Idaho Falls, ID (United States); Morgenstern, M [Battelle Human Affairs Research Center, Seattle, WA (United States)

    1992-03-01

    This reports documents work performed the NRC/RES Accident Management Guidance Program to evaluate possible strategies for mitigating the consequences of PWR severe accidents. The selection and evaluation of strategies was limited to the in-vessel phase of the severe accident, i.e., after the initiation of core degradation and prior to RPV failure. A parallel project at BNL has been considering strategies applicable to the ex-vessel phase of PWR severe accidents.

  17. Document

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

    97 Federal Register / Vol. 75, No. 65 / Tuesday, April 6, 2010 / Notices 1 DOE anticipates that, pursuant to Cal. Pub. Res. Code section 21000 et seq., California agencies will impose mitigation measures to address potential impacts and project design elements to verify the sequestration of CO 2 injected for EOR. will meet to review, develop and provide recommendations on all aspects of the academic and administrative policies of the University; examine all aspects of professional military

  18. Slide 1

    Office of Environmental Management (EM)

    DOE National Electric Transmission Congestion Study Workshop Bob Smith Arizona Public Service Company December 15, 2011 San Diego Topics * Phoenix - Tucson Area - Congestion mitigated with planned transmission projects * Southern California Area - No congestion identified with current CA plans to meet RES - Conditional congestion if CA utilizes more solar from AZ/NV or wind from NM or northern Rocky Mountain Area - Conditional congestion if CA relies on out of state resources for ancillary

  19. Argonne continues to pave way to improved battery performance testing |

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

    Argonne National Laboratory continues to pave way to improved battery performance testing By Angela Hardin * March 31, 2016 Tweet EmailPrint Scientists at the U.S. Department of Energy's Argonne National Laboratory have demonstrated that the design and placement of a tiny measurement device called a reference electrode enhances the quantity and quality of information that can be extracted from lithium-ion battery cells during cycling. Reference electrodes (REs) are used to measure the

  20. Study of metallic powder behavior in very low pressure plasma spraying (VLPPS) — Application to the manufacturing of titanium–aluminum coatings

    SciTech Connect (OSTI)

    Vautherin, B.; Planche, M.-P.; Montavon, G.; Lapostolle, F.; Quet, A.; Bianchi, L.

    2015-08-28

    In this study, metallic materials made of aluminum and titanium were manufactured implementing very low pressure plasma spraying (VLPPS). Aluminum was selected at first as a demonstrative material due to its rather low vaporization enthalpy (i.e., 381.9 kJ·mol⁻¹). Developments were then carried out with titanium which exhibits a higher vaporization enthalpy (i.e., 563.6 kJ·mol⁻¹). Optical emission spectroscopy (OES) was implemented to analyze the behavior of each solid precursor (metallic powders) when it is injected into the plasma jet under very low pressure (i.e., in the 150 Pa range). Besides, aluminum, titanium and titanium–aluminum coatings were deposited in the same conditions implementing a stick-cathode plasma torch operated at 50 kW, maximum power. Coating phase compositions were identified by X-Ray Diffraction (XRD). Coating elementary compositions were quantified by Glow Discharge Optical Emission Spectroscopy (GDOES) and Energy Dispersive Spectroscopy (EDS) analyses. The coating structures were observed by Scanning Electron Microscopy (SEM). The coating void content was determined by Ultra-Small Angle X-ray Scattering (USAXS). The coatings exhibit a two-scale structure corresponding to condensed vapors (smaller scale) and solidified areas (larger scale). Titanium–aluminum sprayed coatings, with various Ti/Al atomic ratios, are constituted of three phases: metastable α-Ti, Al and metastable α₂-Ti₃Al. This latter is formed at elevated temperature in the plasma flow, before being condensed. Its rather small fraction, impeded by the rather small amount of vaporized Ti, does not allow modifying however the coating hardness.

  1. Hydrogen storage in sodium aluminum hydride.

    SciTech Connect (OSTI)

    Ozolins, Vidvuds; Herberg, J.L.; McCarty, Kevin F.; Maxwell, Robert S.; Stumpf, Roland Rudolph; Majzoub, Eric H.

    2005-11-01

    Sodium aluminum hydride, NaAlH{sub 4}, has been studied for use as a hydrogen storage material. The effect of Ti, as a few mol. % dopant in the system to increase kinetics of hydrogen sorption, is studied with respect to changes in lattice structure of the crystal. No Ti substitution is found in the crystal lattice. Electronic structure calculations indicate that the NaAlH{sub 4} and Na{sub 3}AlH{sub 6} structures are complex-ionic hydrides with Na{sup +} cations and AlH{sub 4}{sup -} and AlH{sub 6}{sup 3-} anions, respectively. Compound formation studies indicate the primary Ti-compound formed when doping the material at 33 at. % is TiAl{sub 3} , and likely Ti-Al compounds at lower doping rates. A general study of sorption kinetics of NaAlH{sub 4}, when doped with a variety of Ti-halide compounds, indicates a uniform response with the kinetics similar for all dopants. NMR multiple quantum studies of solution-doped samples indicate solvent interaction with the doped alanate. Raman spectroscopy was used to study the lattice dynamics of NaAlH{sub 4}, and illustrated the molecular ionic nature of the lattice as a separation of vibrational modes between the AlH{sub 4}{sup -} anion-modes and lattice-modes. In-situ Raman measurements indicate a stable AlH{sub 4}{sup -} anion that is stable at the melting temperature of NaAlH{sub 4}, indicating that Ti-dopants must affect the Al-H bond strength.

  2. Influence of the Al distribution on the structure, elastic properties, and phase stability of supersaturated Ti{sub 1-x}Al{sub x}N

    SciTech Connect (OSTI)

    Mayrhofer, P. H.; Music, D.; Schneider, J. M.

    2006-11-01

    Ti{sub 1-x}Al{sub x}N films and/or their alloys are employed in many industrial applications due to their excellent mechanical and thermal properties. Synthesized by plasma-assisted vapor deposition, Ti{sub 1-x}Al{sub x}N is reported to crystallize in the cubic NaCl (c) structure for AlN mole fractions below 0.4-0.91, whereas at larger Al contents the hexagonal ZnS-wurtzite (w) structure is observed. Here we use ab initio calculations to analyze the effect of composition and Al distribution on the metal sublattice on phase stability, structure, and elastic properties of c-Ti{sub 1-x}Al{sub x}N and w-Ti{sub 1-x}Al{sub x}N. We show that the phase stability of supersaturated c-Ti{sub 1-x}Al{sub x}N not only depends on the chemical composition but also on the Al distribution of the metal sublattice. An increase of the metastable solubility limit of AlN in c-Ti{sub 1-x}Al{sub x}N from 0.64 to 0.74 is obtained by decreasing the number of Ti-Al bonds. This can be understood by considering the Al distribution induced changes of the electronic structure, bond energy, and configurational entropy. This may in part explain the large variation of the metastable solubility limit reported in the literature.

  3. Retirement Kjell Johnsen

    ScienceCinema (OSTI)

    None

    2011-04-25

    A l'occasion de son 65me anniversaire plusieurs orateurs (aussi l'ambassadeur de Norvège) remercient Kjell Johnsen, né en juin 1921 en Norvège, pour ses 34 ans de service au Cern et retracent sa vie et son travail. K.Johnsen a pris part aux premières études sur les accélérateurs du futur centre de physique et fut aussi le père et le premier directeur de l'Ecole du Cern sur les accélérateurs (CAS)

  4. Multi-Scale Simulations Solve a Plasma Turbulence Mystery

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

    Multi-Scale Simulations Solve a Plasma Turbulence Mystery Multi-Scale Simulations Solve a Plasma Turbulence Mystery Coupled Model Reproduces Experimental Electron Heat Losses March 7, 2016 Contact: Kathy Kincade, kkincade@lbl.gov, +1 510 495 2124 turb cross High-res image of the inside of the Alcator C-Mod tokamak, with a representative cross-section of a plasma. The inset shows the approximate domain for one of the multi-scale simulations and a graphic of the plasma turbulence in the

  5. UNIRIB Publications: 2012 Bibliography

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

    2 Bibliography These citations provide bibliographical information about articles published by University Radioactive Ion Beam (UNIRIB) consortium staff in 2012. Stewardship publications Algorithms for pulse shape analysis using silicon detectors, S.N. Liddick, I.G. Darby, R.K. Grzywacz, Nucl. Instr. Meth. Phys. Res. A 669, 70-78 (2012) Comment on "Properties of 26Mg and 26Si in the sd shell model and the deermination of the 25Al(p,γ)26Si reaction rate", K.A. Chipps, D.W. Bardayan,

  6. Cool Roofing Technologies

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

    Cool Roofing Technologies Hashem Akbari Heat Island Group Ernest Orlando Lawrence Berkeley National Laboratory Tel: 510-486-4287 E_mail: H_Akbari@LBL.gov http://HeatIsland.LBL.gov STEAB Visit to LBNL August 14, 2007 2 Orthophoto of Sacramento 3 Under the Canopy Fabric of Sacramento, CA 0 10 20 30 40 50 60 70 80 Downtown Industrial Industrial Office Com. Com. Res. % of surface area Grass Roofs Pavements Others Cooling roofs by increasing solar reflectance * A conventional dark roof absorbs most

  7. Science Briefs

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

    Science Briefs Science Briefs ALS Science Briefs are short (200 words maximum) descriptions of recently published ALS-related work. These "brief" highlights also include one image, a caption (50 words), and the publication citation. All ALS users and beamline scientists are invited to fill out the short submission form here and send a hi-res image to This e-mail address is being protected from spambots. You need JavaScript enabled to view it . Reducing Plant Lignin for Cheaper Biofuels

  8. Tuning the Topology and Functionality of Metal-Organic Frameworks by

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

    Ligand Design | Center for Gas SeparationsRelevant to Clean Energy Technologies | Blandine Jerome Tuning the Topology and Functionality of Metal-Organic Frameworks by Ligand Design Previous Next List Dan Zhao, Daren J. Timmons, Daqiang Yuan, and Hong-Cai Zhou, Acc. Chem. Res., 2011, 44 (2), pp 123-133 DOI: 10.1021/ar100112y Abstract Image Abstract: Metal-organic frameworks (MOFs)-highly crystalline hybrid materials that combine metal ions with rigid organic ligands-have emerged as an

  9. The Structure of the First Coordination Shell in Water

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

    < tr> In ice, each water molecule is surrounding by 4 other molecules in a tetrahedral arrangement (left). The ne w result on liquid water shows that the molecules are connected only with 2 others. This implies that most molecules are arranged in strongly hydrogen bonded rings (middle) or chains (right) embedded in a disordered cluster network connected mainly by weak hydrogen bonds. The oxygen atoms are red and the hydrogen atoms grey in the water (H2O) molecules. download hi-res version

  10. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    Switch to Detail View for this search SciTech Connect Search Results Page 1 of 1 Search for: All records Creators/Authors contains: "Fitzjarrald, David Roy" × Sort by Relevance Sort by Date (newest first) Sort by Date (oldest first) Sort by Relevance « Prev Next » Everything1 Electronic Full Text1 Citations0 Multimedia0 Datasets0 Software0 Filter Results Filter by Subject environmental sciences (1) Filter by Author Fitzjarrald, David Roy [Atmos Sciences Res Ctr] (1) Save Results

  11. arm_2008_KI_TPA.cdr

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

    d t t t ) d=1 D 1 D 2 D D 1 2 D D 1 2 D D 1 2 D 2 =200s 1 =600s 2 Comstock, J.M., T.P. Ackerman, and D.D. Turner (2004), Evidence of high ice supersaturation in cirrus clouds using ARM Raman lidar measurements, Geophys. Res. Lett., 31, L11106 doi:10.1029/2004GL019705. Heymsfield, A.J., and L. M. Miloshevich (1995), Relative humidity and temperature influences on cirrus formation and evolution: Observations from wave clouds and FIRE II, J. Atmos. Sci., 52, 4302-4326. Ivanova, K., H.N. Shirer,

  12. Cysteine-containing peptides having antioxidant properties

    DOE Patents [OSTI]

    Bielicki, John K.

    2007-05-15

    The term "homology" or "homologous" means an amino acid similarity measured by the program, BLAST (Altschul et al (1997), "Gapped BLAST and PSI-BLAST: a new generation of protein database search programs", Nucleic Acids Res. 25:33 89 3402), and expressed as --(% identity n/n). In measuring homology between a peptide and a protein of greater size, homology is measured only in the corresponding region; that is, the protein is regarded as only having the same general length as the peptide, allowing for gaps and insertions.

  13. Tribal Green Building Codes

    Energy Savers [EERE]

    with even amount of white space between photos and header Tribal Green Building Codes Chelsea Chee November 1 3, 2012 SAND# 2012---9858C Photos placed in horizontal position with even amount of white space between photos and header Source: http://www.galavantier.com/sites/default/files/imagecache/exp-itinerary-main/Pink Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia %20Jeep%20Tours%20-%20Grand%20Canyon%20-Hualapai%20Indian%20Village-High-Res---

  14. LUG 2015 | LANSCE User Group Meeting

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

    Accommodations Attendees may make their individual guest room reservations by calling our reservations department directly at 855-811-0050 or online at https://www.starwoodmeeting.com/StarGroupsWeb/res?id=1509174739&key=27EF83C0 Attendees must make their reservations by the cut-off date of Friday, October 9 16. Mention the LANSCE User Group (LUG) to receive the special group rate of $99.00 per night. Indian Market, Santa Fe NM Santa Fe Plaza - Image courtesy of The Santa Fe Convention

  15. Kansas Shale Proved Reserves (Billion Cubic Feet)

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

    Shale Proved Reserves (Billion Cubic Feet) Kansas Shale Proved Reserves (Billion Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2010's 2 3 4 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 11/19/2015 Next Release Date: 12/31/2016 Referring Pages: Shale Natural Gas Proved Reserves as of Dec. 31 Kansas Shale Gas Proved Reserves, Res

  16. Hewlett and Duncan - Atomic Shield | Department of Energy

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

    Duncan - Atomic Shield Hewlett and Duncan - Atomic Shield Hewlett, Richard G. and Francis Duncan. Atomic Shield, 1947-1952. U.S. Atomic Energy Comission, 1972. The second volume of the three volume A History of the United States Atomic Energy Commission. Text in each PDF is fully searchable. "Hewlett and Duncan - Atomic Shield (complete).pdf" contains the complete text and images from Atomic Shield. 12mb "Hewlett and Duncan - Atomic Shield (figures only).pdf" contains hi-res

  17. Research Highlight

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

    Seasonal Case Studies Reveal Significant Variance in Large-Scale Forcing Data Submitter: Xie, S., Lawrence Livermore National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Xie, S, R.T Cederwall, M. Zhang, and J.J. Yio, Comparison of SCM and CSRM forcing data derived from the ECMWF model and from objective analysis at the ARM SGP site, J. Geophys. Res., 108(D16), 4499, doi:10.1029/2003JD003541, 2003.

  18. Research Highlight

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

    Dust in the Wind... and the Clouds... and the Atmosphere Submitter: Sassen, K., University of Alaska, Fairbanks Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Sassen, K., P.J. DeMott, J.M. Propsero, and M.R. Poellot, Saharan Dust Storms and Indirect Aerosol Effects on Clouds: CRYSTAL-FACE Results, Geophys. Res. Ltt., 30(12), 1633, doi:10/1029/2003GL017371, 2003. PDL linear depolarization ratio (color scale on top) and relative returned power (in gray scale) of

  19. Research Highlight

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

    Climate Warming Due to Soot and Smoke? Maybe Not. Submitter: Penner, J. E., University of Michigan Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Penner, J.E., S.Y. Zhang, and C.C. Chuang, Soot and smoke aerosol may not warm climate, J. Geophys. Res., 108(D21), 4657, doi:10.1029/2003JD003409, 2003. New research results from the Department of Energy's Atmospheric Radiation Measurement (ARM) Program suggest that fossil fuel soot emissions and biomass smoke may

  20. Research Highlight

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

    Data from Saharan Dust Storm Reveal Model Deficiencies Submitter: McFarlane, S. A., U.S. Department of Energy Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Slingo, A., T.P. Ackerman, R.P. Allan, E.I. Kassianov, S.A. McFarlane, G.J. Robinson, J.C. Barnard, M.A. Miller, J.E. Harries, J.E. Russell , S. Dewitte, 2006: Observations of the impact of a major Saharan dust storm on the Earth's radiation budget. Geophys. Res. Lett., 33, L24817,

  1. NETL F 451.1/1-1, Categorical Exclusion Designation Form

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

    NT42677-10122-06 Houston Adv Res Center Burleson County, TX Texas A&M University-Kingsville - Burleson County, TX FE/TDIC/Oil & Gas/Natural Gas Team Sandy McSurdy 412-386-4533 Biological Treatment of Air Emissions at Natural Gas Field Sites A biological treatment process system will be installed to metabolize and eliminate Volatile Organic Carbons (VOCs) in vapor emissions at gas production sites. Task 6.0 Sandra McSurdy Digitally signed by Sandra McSurdy DN: cn=Sandra McSurdy, o=DOE

  2. Initial phase zone for phase locking to the resonance, using main condition of phase stability in DC-biased single-sided multipactor

    SciTech Connect (OSTI)

    Mostajeran, M., E-mail: mostajeran@yazd.ac.ir [Faculty of Physics, Yazd University, P.O. Box 89195-741, Yazd (Iran, Islamic Republic of)

    2014-05-15

    In the present work, the concept of accurate phase stability is employed to study a DC-biased single-sided multipactor. A main condition of phase stability was introduced in our previous studies of two-sided multipactors [M. Mostajeran, J. Instrum. 8, P04024 (2013); M. Mostajeran and M. Lamehi Rachti, Nucl. Instrum. Methods Phys. Res. A 615, 15 (2010)]. Using the same condition and assuming zero initial velocity for the secondary electrons, a regime of multipactors outside the resonance zones is found. The theoretical results are then verified by numerical simulation.

  3. Broadband extreme ultraviolet probing of transient gratings in vanadium dioxide

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

    Sistrunk, Emily; Lawrence Livermore National Lab.; Grilj, Jakob; Ecole Polytechnique Federal de Lausanne; Jeong, Jaewoo; Samant, Mahesh G.; Gray, Alexander X.; Temple Univ. Philadelphia, PA; Drr, Hermann A.; Parkin, Stuart S. P.; et al

    2015-02-11

    Nonlinear spectroscopy in the extreme ultraviolet (EUV) and soft x-ray spectral range offers the opportunity for element selective probing of ultrafast dynamics using core-valence transitions (Mukamel et al., Acc. Chem. Res. 42, 553 (2009)). We demonstrate a step on this path showing core-valence sensitivity in transient grating spectroscopy with EUV probing. We study the optically induced insulator-to-metal transition (IMT) of a VO? film with EUV diffraction from the optically excited sample. The VO? exhibits a change in the 3p-3d resonance of V accompanied by an acoustic response. Due to the broadband probing we are able to separate the two features.

  4. Security camera resolution measurements: Horizontal TV lines versus modulation transfer function measurements.

    SciTech Connect (OSTI)

    Birch, Gabriel Carisle; Griffin, John Clark

    2015-01-01

    The horizontal television lines (HTVL) metric has been the primary quantity used by division 6000 related to camera resolution for high consequence security systems. This document shows HTVL measurements are fundamen- tally insufficient as a metric to determine camera resolution, and propose a quantitative, standards based methodology by measuring the camera system modulation transfer function (MTF), the most common and accepted metric of res- olution in the optical science community. Because HTVL calculations are easily misinterpreted or poorly defined, we present several scenarios in which HTVL is frequently reported, and discuss their problems. The MTF metric is discussed, and scenarios are presented with calculations showing the application of such a metric.

  5. Gamma-Ray Emission Concurrent with the Nova in the Symbiotic Binary V407

    Office of Scientific and Technical Information (OSTI)

    Cygni (Journal Article) | SciTech Connect Journal Article: Gamma-Ray Emission Concurrent with the Nova in the Symbiotic Binary V407 Cygni Citation Details In-Document Search Title: Gamma-Ray Emission Concurrent with the Nova in the Symbiotic Binary V407 Cygni Authors: Abdo, A.A. ; /Naval Research Lab, Wash., D.C. /Natl. Res. Coun., Wash., D.C. ; Ackermann, M. ; /KIPAC, Menlo Park /SLAC ; Ajello, M. ; /KIPAC, Menlo Park /SLAC ; Atwood, W.B. ; /UC, Santa Cruz ; Baldini, L. ; /INFN, Pisa ;

  6. Get your Tsunami info here | OSTI, US Dept of Energy, Office of Scientific

    Office of Scientific and Technical Information (OSTI)

    and Technical Information Get your Tsunami info here From the Science.gov search "tsunami sendai japan" Find out how the U.S. Military Gears Up to Help ... DefenseLINK Web Site Visit NOAA Center for Tsunami Research - Forecast Propagation Database See how NASA Shows Topography of Tsunami-Damaged Japan City, NASA Website S.RES.101 : A resolution expressing the sense of the Senate relating to the March 11, 2011, earthquake and tsunami in Japan.THOMAS, 112th Congress Guidance on

  7. Photo Gallery

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

    Historic Lasers <h3>Argus Laser Bay</h3>The two-beam Argus laser came online In 1976. Use of Argus increased knowledge about laser propagation limits and helped LLNL Laser Program researchers develop technologies needed for the next generation of laser fusion systems.<br/><br/><a href="content/assets/images/media/photo-gallery/large/nif-1109-17874.jpg" target="_blank">Download hi-res image</a><br/><a

  8. Photo Gallery

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

    Construction <h3>Victor Reis</h3>Victor Reis, the Assistant Secretary for the Department of Energy's Defense Programs, played a key leadership role in the 1990s in defining the emerging Stockpile Stewardship Program and the need for the National Ignition Facility.<br/><br/><a href="content/assets/images/media/photo-gallery/large/nif-1209-18052.jpg" target="_blank">Download hi-res image</a><br/><a

  9. United States

    Office of Legacy Management (LM)

    onp5fGonal Ruord United States of America . I. .' - PROCEEDINGS AND DEBATES OF THE 9t?lh CONGRESS, FIRST SESSION United States Government Printing Office SUPERINTENDENT OF DOCUMENTS Wash!ogtm. 0.C 20402 OFFICIAL BUSINESS Penalty for pwate use. sco Congressmal Record (USPS 087-390) Postage and Fees Pad I.) s ~lJ"er"ment Prlntlng OffIce 375 SECOND CLASS NEWSPAPER -...~-- -~- -- --- H 45' 78 ' cCJ~GRESSIONAL RECORD - HOUSE June 28, 1983 H.J. Res. 213: Mr. BOLAND, Mr. WAXM.UG Mr. OBERSTAR.

  10. United States

    Office of Legacy Management (LM)

    onSres;eional atecord United States of America :- PROCEEDINGS AND DEBATES OF THE 981h CONGRESS, FIRST SESSION United States Government Printing Office SUPERINTENDENT OF DOCUMENTS Washwtn. D C 20402 OFFICIAL BUSINESS Penalty for plvate use. $300 Congressmnal Record (USPS 087-390) Postage and Fees Pad U S Government Prtnttng Offlce 375 SECOND CLASS NEWSPAPER H 45' 78 * C.QvGRESSIONAL RECORD - HOUSE .-. June 28, 1983 H.J. Res. 273: Mr. BOLAND. Mr. Whxrdhr?. Mr. OBERsThx. Mi. BEDELL, Mr. BONER of

  11. Dynamic

    Office of Legacy Management (LM)

    Dynamic , and Static , Res.ponse of the Government Oil Shale Mine at ' , . , Rifle, Colorado, to the Rulison Event. , . ; . . DISCLAIMER Portions of this document may be illegible in electronic image products. Images are produced from the best available original document. p ( y c - - a 2-1 0 -4- REPORT AT (29-2) 914 USBM 1 0 0 1 UNITED STATES DEPARTMENT O F THE I NTERIOR BUREAU OF MINES e s.09 P. L. R U S S E L L RESEARCH D l RECTOR Februory 2, lB7O DYNAMIC AND STATIC RESPONSE 'OF THE GOVERNMENT

  12. 2005 Publications | Stanford Synchrotron Radiation Lightsource

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

    5 Publications Journal Papers E. C. Abresch, H. L. A. Axelrod, J. T. Beatty, J. A. Johnson, R. Nechushtai and M. L. Paddock, "Characterization of a Highly Purified, Fully Active, Crystallizable RC-LH1-PufX Core Complex from Rhodobacter sphaeroides", Photosynth. Res. 86, 61 (2005) E. J. Adams, Y.-H. Chien and K. C. Garcia, "Structure of a gdT Cell Receptor in Complex with the Nonclassical MHC T22", Science 308, 5719 (2005) H. Adhikari, P. C. McIntyre, S. Sun, P. Pianetta and

  13. Research Highlight

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

    Validation of CERES-MODIS Cloud Properties Using ARM Data Submitter: Dong, X., University of North Dakota Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Dong, X., P. Minnis, B. Xi, S. Sun-Mack, and Y. Chen, 2007: Validation of CERES-MODIS stratus cloud properties using ground-based measurements at the DOE ARM SGP site. Accepted by J. Geophys. Res. Wielicki, B. A. and Co-authors (2000), CERES Validation Plan Overview, Release 4,

  14. Research Highlight

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

    Sub-Grid Scale Cloud Variability Affects Vertical Structure of Clouds and Radiative Heating Submitter: McFarlane, S. A., U.S. Department of Energy Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: McFarlane, S. A., J. H. Mather, and T. P. Ackerman (2007), Analysis of tropical radiative heating profiles: A comparison of models and observations, J. Geophys. Res., 112, D14218, doi:10.1029/2006JD008290. Comparison of

  15. Research Highlight

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

    Modeled Vs. Measured Direct-Normal Solar Irradiance Submitter: Schwartz, S. E., Brookhaven National Laboratory Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Halthore R. N., Schwartz, S. E., Michalsky, J. J., Anderson, G. P., Ferrare R. A., Holben B. N., and ten Brink H. M. 1997. "Comparison of Model Estimated and Measured Direct-Normal Solar Irradiance," J. Geophys. Res. 102(D25): 29991-30002 Figure 1 Figure 2 Figure 3 Figure 4

  16. Summary - System Level Modeling and Simulation Tools for Hanford

    Office of Environmental Management (EM)

    The ob curren plannin Dispos yield re to mod plannin to imp (4) det actual * Th th Th co no in pl * In fo op sy as di re de co an * Th en m ha ev sc The pu techni projec Site: H roject: H Report Date: S ited States valuation in Su Why DOE bjective of the r nt Process Simu ng basis for OR sition System P easonable esti del facilities cur ng or operation rove the rate o termine if addit execution of in What th he current Syst hat are limited t hese tools curr omposition, res ot meeting was itial

  17. News Item

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

    Seeing Atoms and Molecules in Action with an Electron 'Eye' A unique rapid-fire electron source-originally built as a prototype for driving next-generation X-ray lasers-will help scientists at Berkeley Lab study ultrafast chemical processes and changes in materials at the atomic scale. This could provide new insight in how to make materials with custom, controllable properties and improve the efficiency and output of chemical reactions. This newly launched setup, dubbed HiRES (for High

  18. I United States Government Printing Office SUPERINTENDENT OF WCUMENTS

    Office of Legacy Management (LM)

    onSree;sional atecord I United States Government Printing Office SUPERINTENDENT OF WCUMENTS Wash~ngtm. D.C 20402 OFFEIAL BUSINESS Penalty for prwate use. 9300 Congressmnal Record (USPS 087-390) United States of America . :- PROCEEDINGS AND DEBATES OF THE 98' hCONGRESS, FIRST SESSION 0 * U.S -C3 Postage and Fees Pad U S Governme3n7t5Prmt~ng Office SECOND CLASS NEWSPAPER H-4578 ' CQNGRESSIONAL RECORD - HOUSE June 28, 1983 I H.J. Res. 273: Mr. BOLAND, Mr. WAXMAN, Mr. Oeeasrrk. Mr. BEDELL. Mr. BONER

  19. L'Aventure du LHC

    ScienceCinema (OSTI)

    None

    2011-10-06

    Cette présentation s?adressera principalement aux personnes qui ont construit le LHC. La construction du LHC fut longue et difficile. De nombreux problèmes sont apparus en cours de route. Tous ont été résolus grâce au dévouement et à l?engagement du personnel et des collaborateurs. Je reviendrai sur les coups durs et les réussites qui ont marqués ces 15 dernières années et je vous montrerai combien cette machine, le fruit de vos efforts, est extraordinaire.

  20. M

    Office of Legacy Management (LM)

    mrrtnr M ilniteb States Government memorandum 069397 id j ' 4 Department of Enek sue DATE: JUNE 25.1990 -"To Nmcf? EN-231 - ExPedlted Roeeci~res for Remedial ActIons at Small Sites n, J. Flare. RI-423 OxrenC protocol and proce&xes for lmplementlng the remedial acllon ind awoclated envIronmental revlev process un&?r the Formerly Utlllzed SItea Program (FUSR4P) were developed with primary conslderstlon @ven to the larger and higher prlorlty sites. These procedures drc deslgned to

  1. AUTI.-IoR(s,: S. A. Colgate, Jean Audouze, and William A. Fowler

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

    AUTI.-IoR(s,: S. A. Colgate, Jean Audouze, and William A. Fowler SUBMITTED TO: 15th International C o s m i c Ray Conference P l o v d i v , Bulgaria - August 13-26, 1977 \ . NOTICE lhis report WPE prepared as an ac=xmnt of work sponsored by the United Stater Government. Neither the United States nor the United Stater Energy Rcwvch and Cevelopment Administration, nor any of their employees, nor any of their contractors, rubmntracton o r thdr employees, makes any wmanty. ex;res or implied, o r

  2. Automated Algorithms for Quantum-Level Accuracy in Atomistic Simulations: LDRD Final Report.

    SciTech Connect (OSTI)

    Thompson, Aidan P.; Schultz, Peter A.; Crozier, Paul; Moore, Stan Gerald; Swiler, Laura Painton; Stephens, John Adam; Trott, Christian Robert; Foiles, Stephen M.; Tucker, Garritt J.

    2014-09-01

    This report summarizes the result of LDRD project 12-0395, titled %22Automated Algorithms for Quantum-level Accuracy in Atomistic Simulations.%22 During the course of this LDRD, we have developed an interatomic potential for solids and liquids called Spectral Neighbor Analysis Poten- tial (SNAP). The SNAP potential has a very general form and uses machine-learning techniques to reproduce the energies, forces, and stress tensors of a large set of small configurations of atoms, which are obtained using high-accuracy quantum electronic structure (QM) calculations. The local environment of each atom is characterized by a set of bispectrum components of the local neighbor density projected on to a basis of hyperspherical harmonics in four dimensions. The SNAP coef- ficients are determined using weighted least-squares linear regression against the full QM training set. This allows the SNAP potential to be fit in a robust, automated manner to large QM data sets using many bispectrum components. The calculation of the bispectrum components and the SNAP potential are implemented in the LAMMPS parallel molecular dynamics code. Global optimization methods in the DAKOTA software package are used to seek out good choices of hyperparameters that define the overall structure of the SNAP potential. FitSnap.py, a Python-based software pack- age interfacing to both LAMMPS and DAKOTA is used to formulate the linear regression problem, solve it, and analyze the accuracy of the resultant SNAP potential. We describe a SNAP potential for tantalum that accurately reproduces a variety of solid and liquid properties. Most significantly, in contrast to existing tantalum potentials, SNAP correctly predicts the Peierls barrier for screw dislocation motion. We also present results from SNAP potentials generated for indium phosphide (InP) and silica (SiO 2 ). We describe efficient algorithms for calculating SNAP forces and energies in molecular dynamics simulations using massively parallel computers and advanced processor ar- chitectures. Finally, we briefly describe the MSM method for efficient calculation of electrostatic interactions on massively parallel computers.

  3. Promoting electricity from renewable energy sources -- lessons learned from the EU, U.S. and Japan

    SciTech Connect (OSTI)

    Haas, Reinhard; Meyer, Niels I.; Held, Anne; Finon, Dominique; Lorenzoni, Arturo; Wiser, Ryan; Nishio, Ken-ichiro

    2007-06-01

    The promotion of electricity generated from Renewable Energy Sources (RES) has recently gained high priority in the energy policy strategies of many countries in response to concerns about global climate change, energy security and other reasons. This chapter compares and contrasts the experience of a number of countries in Europe, states in the US as well as Japan in promoting RES, identifying what appear to be the most successful policy measures. Clearly, a wide range of policy instruments have been tried and are in place in different parts of the world to promote renewable energy technologies. The design and performance of these schemes varies from place to place, requiring further research to determine their effectiveness in delivering the desired results. The main conclusions that can be drawn from the present analysis are: (1) Generally speaking, promotional schemes that are properly designed within a stable framework and offer long-term investment continuity produce better results. Credibility and continuity reduce risks thus leading to lower profit requirements by investors. (2) Despite their significant growth in absolute terms in a number of key markets, the near-term prognosis for renewables is one of modest success if measured in terms of the percentage of the total energy provided by renewables on a world-wide basis. This is a significant challenge, suggesting that renewables have to grow at an even faster pace if we expect them to contribute on a significant scale to the world's energy mix.

  4. Transport and equilibrium in field-reversed mirrors

    SciTech Connect (OSTI)

    Boyd, J.K.

    1982-09-01

    Two plasma models relevant to compact torus research have been developed to study transport and equilibrium in field reversed mirrors. In the first model for small Larmor radius and large collision frequency, the plasma is described as an adiabatic hydromagnetic fluid. In the second model for large Larmor radius and small collision frequency, a kinetic theory description has been developed. Various aspects of the two models have been studied in five computer codes ADB, AV, NEO, OHK, RES. The ADB code computes two dimensional equilibrium and one dimensional transport in a flux coordinate. The AV code calculates orbit average integrals in a harmonic oscillator potential. The NEO code follows particle trajectories in a Hill's vortex magnetic field to study stochasticity, invariants of the motion, and orbit average formulas. The OHK code displays analytic psi(r), B/sub Z/(r), phi(r), E/sub r/(r) formulas developed for the kinetic theory description. The RES code calculates resonance curves to consider overlap regions relevant to stochastic orbit behavior.

  5. Enhanced Raman Scattering on In-plane Anisotropic Layered Materials

    SciTech Connect (OSTI)

    Liang, Liangbo; Meunier, Vincent; Sumpter, Bobby G.; Ling, Xi; Lin, Jingjing; Zhang, Shuqing; Mao, Nannan; Zhang, Na; Tong, Lianming; Zhang, Jin

    2015-11-19

    Surface-enhanced Raman scattering (SERS) on two-dimensional (2D) layered materials has provided a unique platform to study the chemical mechanism (CM) of the enhancement due to its natural separation from electromagnetic enhancement. The CM stems from the basic charge interactions between the substrate and molecules. Despite the extensive studies of the energy alignment between 2D materials and molecules, an understanding of how the electronic properties of the substrate are explicitly involved in the charge interaction is still unclear. Lately, a new group of 2D layered materials with anisotropic structure, including orthorhombic black phosphorus (BP) and triclinic rhenium disulphide (ReS2), has attracted great interest due to their unique anisotropic electrical and optical properties. Herein, we report a unique anisotropic Raman enhancement on few-layered BP and ReS2 using copper phthalocyanine (CuPc) molecules as a Raman probe, which is absent on isotropic graphene and h-BN. According to detailed Raman tensor analysis and density functional theory calculations, anisotropic charge interactions due to the anisotropic carrier mobilities of the 2D materials are responsible for the angular dependence of the Raman enhancement. Our findings not only provide new insights into the CM process in SERS, but also open up new avenues for the exploration and application of the electronic properties of anisotropic 2D layered materials.

  6. Enhanced Raman Scattering on In-plane Anisotropic Layered Materials

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

    Liang, Liangbo; Meunier, Vincent; Sumpter, Bobby G.; Ling, Xi; Lin, Jingjing; Zhang, Shuqing; Mao, Nannan; Zhang, Na; Tong, Lianming; Zhang, Jin

    2015-11-19

    Surface-enhanced Raman scattering (SERS) on two-dimensional (2D) layered materials has provided a unique platform to study the chemical mechanism (CM) of the enhancement due to its natural separation from electromagnetic enhancement. The CM stems from the basic charge interactions between the substrate and molecules. Despite the extensive studies of the energy alignment between 2D materials and molecules, an understanding of how the electronic properties of the substrate are explicitly involved in the charge interaction is still unclear. Lately, a new group of 2D layered materials with anisotropic structure, including orthorhombic black phosphorus (BP) and triclinic rhenium disulphide (ReS2), has attractedmore » great interest due to their unique anisotropic electrical and optical properties. Herein, we report a unique anisotropic Raman enhancement on few-layered BP and ReS2 using copper phthalocyanine (CuPc) molecules as a Raman probe, which is absent on isotropic graphene and h-BN. According to detailed Raman tensor analysis and density functional theory calculations, anisotropic charge interactions due to the anisotropic carrier mobilities of the 2D materials are responsible for the angular dependence of the Raman enhancement. Our findings not only provide new insights into the CM process in SERS, but also open up new avenues for the exploration and application of the electronic properties of anisotropic 2D layered materials.« less

  7. Energy Simulator Residential Buildings

    Energy Science and Technology Software Center (OSTI)

    1992-02-24

    SERI-RES performs thermal energy analysis of residential or small commercial buildings and has the capability of modeling passive solar equipment such as rock beds, trombe walls, and phase change material. The analysis is accomplished by simulation. A thermal model of the building is created by the user and translated into mathematical form by the program. The mathematical equations are solved repeatedly at time intervals of one hour or less for the period of simulation. Themore » mathematical representation of the building is a thermal network with nonlinear, temperature-dependent controls. A combination of forward finite differences, Jacobian iteration, and constrained optimization techniques is used to obtain a solution. An auxiliary interactive editing program, EDITOR, is included for creating building descriptions. EDITOR checks the validity of the input data and also provides facilities for storing and referencing several types of building description files. Some of the data files used by SERI-RES need to be implemented as direct-access files. Programs are included to convert sequential files to direct-access files and vice versa.« less

  8. Identifying Synonymous Regulatory Elements in Vertebrate Genomes

    SciTech Connect (OSTI)

    Ovcharenko, I; Nobrega, M A

    2005-02-07

    Synonymous gene regulation, defined as driving shared temporal and/or spatial expression of groups of genes, is likely predicated on genomic elements that contain similar modules of certain transcription factor binding sites (TFBS). We have developed a method to scan vertebrate genomes for evolutionary conserved modules of TFBS in a predefined configuration, and created a tool, named SynoR that identify synonymous regulatory elements (SREs) in vertebrate genomes. SynoR performs de novo identification of SREs utilizing known patterns of TFBS in active regulatory elements (REs) as seeds for genome scans. Layers of multiple-species conservation allow the use of differential phylogenetic sequence conservation filters in the search of SREs and the results are displayed as to provide an extensive annotation of genes containing detected REs. Gene Ontology categories are utilized to further functionally classify the identified genes, and integrated GNF Expression Atlas 2 data allow the cataloging of tissue-specificities of the predicted SREs. We illustrate how this new tool can be used to establish a linkage between human diseases and noncoding genomic content. SynoR is publicly available at http://synor.dcode.org.

  9. Structural Health Monitoring for Impact Damage in Composite Structures.

    SciTech Connect (OSTI)

    Roach, Dennis P.; Raymond Bond; Doug Adams

    2014-08-01

    Composite structures are increasing in prevalence throughout the aerospace, wind, defense, and transportation industries, but the many advantages of these materials come with unique challenges, particularly in inspecting and repairing these structures. Because composites of- ten undergo sub-surface damage mechanisms which compromise the structure without a clear visual indication, inspection of these components is critical to safely deploying composite re- placements to traditionally metallic structures. Impact damage to composites presents one of the most signi fi cant challenges because the area which is vulnerable to impact damage is generally large and sometimes very dif fi cult to access. This work seeks to further evolve iden- ti fi cation technology by developing a system which can detect the impact load location and magnitude in real time, while giving an assessment of the con fi dence in that estimate. Fur- thermore, we identify ways by which impact damage could be more effectively identi fi ed by leveraging impact load identi fi cation information to better characterize damage. The impact load identi fi cation algorithm was applied to a commercial scale wind turbine blade, and results show the capability to detect impact magnitude and location using a single accelerometer, re- gardless of sensor location. A technique for better evaluating the uncertainty of the impact estimates was developed by quantifying how well the impact force estimate meets the assump- tions underlying the force estimation technique. This uncertainty quanti fi cation technique was found to reduce the 95% con fi dence interval by more than a factor of two for impact force estimates showing the least uncertainty, and widening the 95% con fi dence interval by a fac- tor of two for the most uncertain force estimates, avoiding the possibility of understating the uncertainty associated with these estimates. Linear vibration based damage detection tech- niques were investigated in the context of structural stiffness reductions and impact damage. A method by which the sensitivity to damage could be increased for simple structures was presented, and the challenges of applying that technique to a more complex structure were identi fi ed. The structural dynamic changes in a weak adhesive bond were investigated, and the results showed promise for identifying weak bonds that show little or no static reduction in stiffness. To address these challenges in identifying highly localized impact damage, the possi- bility of detecting damage through nonlinear dynamic characteristics was also identi fi ed, with a proposed technique which would leverage impact location estimates to enable the detection of impact damage. This nonlinear damage identi fi cation concept was evaluated on a composite panel with a substructure disbond, and the results showed that the nonlinear dynamics at the damage site could be observed without a baseline healthy reference. By further developing impact load identi fi cation technology and combining load and damage estimation techniques into an integrated solution, the challenges associated with impact detection in composite struc- tures can be effectively solved, thereby reducing costs, improving safety, and enhancing the operational readiness and availability of high value assets.

  10. Noise temperature improvement for magnetic fusion plasma millimeter wave imaging systems

    SciTech Connect (OSTI)

    Lai, J.; Domier, C. W.; Luhmann, N. C.

    2014-03-15

    Significant progress has been made in the imaging and visualization of magnetohydrodynamic and microturbulence phenomena in magnetic fusion plasmas [B. Tobias et al., Plasma Fusion Res. 6, 2106042 (2011)]. Of particular importance have been microwave electron cyclotron emission imaging and microwave imaging reflectometry systems for imaging T{sub e} and n{sub e} fluctuations. These instruments have employed heterodyne receiver arrays with Schottky diode mixer elements directly connected to individual antennas. Consequently, the noise temperature has been strongly determined by the conversion loss with typical noise temperatures of ?60?000 K. However, this can be significantly improved by making use of recent advances in Monolithic Microwave Integrated Circuit chip low noise amplifiers to insert a pre-amplifier in front of the Schottky diode mixer element. In a proof-of-principle design at V-Band (5075 GHz), significant improvement of noise temperature from the current 60?000 K to measured 4000 K has been obtained.

  11. Determination of Benchmark Compensation Amount for Certain Executives and Employees (Update)

    Broader source: Energy.gov [DOE]

    The purpose of this Flash is to update Policy Flash 2014-12 issued on December 28, 2013 to reflect the current Executive Compensation Cap pursuant to the Bipartisan Budget Act of 2013 (H.J.Res. 59) which was signed into law on December 26, 2013. The provision in Section 702 – "Limitation on allowable government contractor compensation costs"- limits how much a contractor could charge the federal government for an employee's compensation to $487,000 per fiscal year, adjusted annually to reflect changes in the Employment Cost Index for all workers, as calculated by the Bureau of Labor Statistics. This limitation is applicable to new contracts (includes exercising of options) awarded 180 days (June 23, 2014) after the enactment date of the Pub.L.. The Executive Compensation Cap is implemented at FAR 31.205-6(p).

  12. Enthalpies of formation of rare earth orthovanadates, REVO{sub 4}

    SciTech Connect (OSTI)

    Dorogova, M.; Navrotsky, A. Boatner, L.A.

    2007-03-15

    Rare earth orthovanadates, REVO{sub 4}, having the zircon structure, form a series of materials interesting for magnetic, optical, sensor, and electronic applications. Enthalpies of formation of REVO{sub 4} compounds (RE=Sc, Y, Ce-Nd, Sm-Tm, Lu) were determined by oxide melt solution calorimetry in lead borate (2PbO.2B{sub 2}O{sub 3}) solvent at 1075 K. The enthalpies of formation from oxide components become more negative with increasing RE ionic radius. This trend is similar to that obtained for the rare earth phosphates. - Graphical abstract: Comparison of enthalpies of formation from oxides at 298 K for REVO{sub 4} [this work] and REPO{sub 4} compounds [S.V. Ushakov, K.B. Helean, A. Navrotsky, L.A. Boatner, J. Mater. Res. 16(9) (2001) 2623] vs. RE{sup 3+} ionic radius. Filled symbols indicate scheelite structure, open symbols zircon structure.

  13. Waste Isolation Pilot Plant Site Environmental Report for calendar year 1989

    SciTech Connect (OSTI)

    Not Available

    1989-01-01

    This is the 1989 Site Environmental Report (SER) for the Waste Isolation Pilot Plant (WIPP) in southeastern New Mexico. The WIPP is a government owned and contractor-operated facility. The WIPP project is operated by Westinghouse Electric Corporation for the US Department of Energy (DOE). The mission of the WIPP is to provide a research and development facility to demonstrate the safe disposal of transuranic (TRU) waste generated by the defense activities of the US Government. This report provides a comprehensive description of environmental activities at the WIPP during calendar year 1989. The WIPP facility will not receive waste until all concerns affecting opening the WIPP are addressed to the satisfaction of the Secretary of Energy. Therefore, this report describes the status of the preoperational activities of the Radiological Environmental Surveillance (RES) program, which are outlined in the Radiological Baseline Program for the Waste Isolation Pilot Plant (WTSD-TME-057). 72 refs., 13 figs., 20 tabs.

  14. Heavy metal movement in metal-contaminated soil profiles

    SciTech Connect (OSTI)

    Li, Zhenbin; Shuman, L.M.

    1996-10-01

    Heavy metal movement in soil profiles is a major environmental concern because even slow transport through the soil may eventually lead to deterioration of groundwater quality. In this study, three metal-contaminated soil (Fuquay, Dothan, and Clarendon) were selected from cropland were a high-metal flue dust had been applied annually for 6 years to raise soil pH, with application ending 4 years before sampling. One uncontaminated soil (Tifton) from the same physiographic area was also sampled as a control. Soil samples were collected in 15-cm increments from the surface to 105 cm in depth. Total contents of Zn, Cd, and Pb in the soils samples were determined. To better understand metal movement in relation to metal fractions in the soil profile, soil samples were also extracted sequentially for exchangeable (EXC), organic matter (OM), Mn oxide (MNO), amorphous Fe oxide (AFEO), crystalline Fe oxide (CFEO), and residual (RES) fractions. 35 refs., 6 figs., 2 tabs.

  15. Strong-Coupling Resistivity in the Kondo Model

    SciTech Connect (OSTI)

    Lesage, F.; Saleur, H.

    1999-05-01

    By applying methods of integrable quantum field theory to the Kondo problem, we develop a systematic perturbation expansion near the IR (strong coupling) fixed point. This requires knowledge of an infinity of irrelevant operators and their couplings, which we determine exactly. A low temperature expansion (i.e., all the corrections to Fermi liquid theory) of the resistivity follows, extending the well-known Nozi{grave e}res T{sup 2} result in the exactly screened case to arbitrary order. The example of the ordinary Kondo model is worked out in detail: We determine {rho} up to order T{sup 6} and compare the result with available numerical data. {copyright} {ital 1999} {ital The American Physical Society}

  16. Kondo Effect in High-{ital T}{sub {ital c}} Cuprates

    SciTech Connect (OSTI)

    Nagaosa, N.; Lee, P.A.

    1997-11-01

    We study the Kondo effect due to the nonmagnetic impurity, e.g., Zn, in high-T{sub c} cuprates based on the spin-change separated state. In the optimal or overdoped case with the Kondo screening, the resistivity is given by {rho}(T)=(4{h_bar})/(e{sup 2} )(n{sub imp })/(1{minus}x)+({alpha}T)/(x) (x : hole concentration, n{sub imp} : impurity concentration, {alpha} : constant), which is in agreement with experiments. In the underdoped region with the pseudospin gap, an SU(2) formulation predicts that the holon phase shift is related to the formation of the local spin moment, and hence the residual resistivity is given by {rho}{sub res}=(4{h_bar})/(e{sup 2})(n{sub imp})/(x), which is also consistent with the experiments. The magnetic impurity case, e.g., Ni, is also discussed. {copyright} {ital 1997} {ital The American Physical Society}

  17. 25th Birthday Cern- Restaurant

    ScienceCinema (OSTI)

    None

    2011-04-25

    Cérémonie du 25ème anniversaire du Cern avec plusieurs orateurs et la présence de nombreux autorités cantonales et communales genevoises et personnalités, directeurs généraux, ministres, chercheurs.... Le conseiller féderal et chef du département des affaires étrangères de la confédération Monsieur Pierre Aubert prend la parole pour célébrer à la fois les résultats très remarquables de la coopération internationale en matière scientifique, mais aussi la volonté politique des états européens de mettre en commun leurs ressources pour faire oeuvre d'avenir. Un grand hommage est aussi donné aux deux directeurs disparus, les prof.Bakker et Gregory.

  18. Meeting Jentschke

    ScienceCinema (OSTI)

    None

    2011-04-25

    Après une introduction des dernières recherches et nouvelles au Cern, le DG W.Jentschke parle du futur management du Cern avec deux nouv directeurs générales, responsables pour les 5 ans prochains: le Dr.J.B.Adams qui s'occupera de l'administration du Cern et aussi de la construction des bâtiments et équipements et Le Dr.L.van Hove qui sera responsable pour les activités de la recherche. Le DG parle des changes et structures prévus, des services communs, des différentes divisions et leurs chefs etc...

  19. Reducing Ultra-Clean Transportation Fuel Costs with HyMelt Hydrogen

    SciTech Connect (OSTI)

    Donald P. Malone; William R. Renner

    2006-01-01

    This report describes activities for the thirteenth quarter of work performed under this agreement. EnviRes initiated a wire transfer of funds for procurement of a pressure vessel and associated refractory lining. Phase I of the work to be done under this agreement consisted of conducting atmospheric gasification of coal using the HyMelt technology to produce separate hydrogen rich and carbon monoxide rich product streams. In addition smaller quantities of petroleum coke and a low value refinery stream were gasified. Phase II of the work to be done under this agreement, consists of gasification of the above-mentioned feeds at a gasifier pressure of approximately 5 bar. The results of this work will be used to evaluate the technical and economic aspects of producing ultra-clean transportation fuels using the HyMelt technology in existing and proposed refinery configurations.

  20. Investigation of coal tar mobility at a former MGP site

    SciTech Connect (OSTI)

    Moo-Young, H.K.; Mo, X.H.; Waterman, R.; Coleman, A.; Saroff, S.

    2009-11-15

    The presence of coal tar in the subsurface of former manufactured gas plant sites poses an environmental hazard and a potential threat to public health. Coal tar can release various chemical compounds that are transported into the groundwater. Before any efforts can be made to remove coal tar from contaminated subsurface soils, it is recommended to characterize coal tar properties and composition and to delineate the residual saturation point between mobile and immobile coal tar. This paper presents a new innovative field device, the Res-SAT field tool, and laboratory procedures that can be used to determine the saturation-capillary pressure relationship for a soil-water coal-tar system and the critical pressure for coal tar mobility.

  1. DOE: Integrating Southwest Power Pool Wind Energy into Southeast Electricity Markets

    SciTech Connect (OSTI)

    Brooks, Daniel, EPRI; Tuohy, Aidan, EPRI; Deb, Sidart, LCG Consulting; Jampani, Srinivas, LCG Consulting; Kirby, Brendan, Consultant; King, Jack, Consultant

    2011-11-29

    Wind power development in the United States is outpacing previous estimates for many regions, particularly those with good wind resources. The pace of wind power deployment may soon outstrip regional capabilities to provide transmission and integration services to achieve the most economic power system operation. Conversely, regions such as the Southeastern United States do not have good wind resources and will have difficulty meeting proposed federal Renewable Portfolio Standards with local supply. There is a growing need to explore innovative solutions for collaborating between regions to achieve the least cost solution for meeting such a renewable energy mandate. The DOE-funded project 'Integrating Southwest Power Pool Wind Energy into Southeast Electricity Markets' aims to evaluate the benefits of coordination of scheduling and balancing for Southwest Power Pool (SPP) wind transfers to Southeastern Electric Reliability Council (SERC) Balancing Authorities (BAs). The primary objective of this project is to analyze the benefits of different balancing approaches with increasing levels of inter-regional cooperation. Scenarios were defined, modeled and investigated to address production variability and uncertainty and the associated balancing of large quantities of wind power in SPP and delivery to energy markets in the southern regions of the SERC. The primary analysis of the project is based on unit commitment (UC) and economic dispatch (ED) simulations of the SPP-SERC regions as modeled for the year 2022. The UC/ED models utilized for the project were developed through extensive consultation with the project utility partners, to ensure the various regions and operational practices are represented as accurately as possible realizing that all such future scenario models are quite uncertain. SPP, Entergy, Oglethorpe Power Company (OPC), Southern Company, and the Tennessee Valley Authority (TVA) actively participated in the project providing input data for the models and review of simulation results and conclusions. While other SERC utility systems are modeled, the listed SERC utilities were explicitly included as active participants in the project due to the size of their load and relative proximity to SPP for importing wind energy. The analysis aspects of the project comprised 4 primary tasks: (1) Development of SCUC/SCED model of the SPP-SERC footprint for the year 2022 with only 7 GW of installed wind capacity in SPP for internal SPP consumption with no intended wind exports to SERC. This model is referred to as the 'Non-RES' model as it does not reflect the need for the SPP or SERC BAs to meet a federal Renewable Energy Standard (RES). (2) Analysis of hourly-resolution simulation results of the Non-RES model for the year 2022 to provide project stakeholders with confidence in the model and analytical framework for a scenario that is similar to the existing system and more easily evaluated than the high-wind transfer scenarios that are analyzed subsequently. (3) Development of SCUC/SCED model of the SPP-SERC footprint for the year 2022 with sufficient installed wind capacity in SPP (approximately 48 GW) for both SPP and the participating SERC BAs to meet an RES of 20% energy. This model is referred to as the 'High-Wind Transfer' model with several different scenarios represented. The development of the High-Wind Transfer model not only included identification and allocation of SPP wind to individual SERC BAs, but also included the evaluation of various methods to allow the model to export the SPP wind to SERC without developing an actual transmission plan to support the transfers. (4) Analysis of hourly-resolution simulation results of several different High-Wind Transfer model scenarios for the year 2022 to determine balancing costs and potential benefits of collaboration among SPP and SERC BAs to provide the required balancing.

  2. Voyage dans le noir. Trous noirs, matière noire, énergie noire et antimatière

    ScienceCinema (OSTI)

    None

    2011-10-06

    Et si nous faisions avec les physiciens un voyage dans le noir ? De l'astrophysique à la physique des particules les trois noirs, la matière noire, l'énergie noire ou l?antimatière intriguent et fascinent. Que sont ces objets qui bousculent nos idées et qui véhiculent parfois des craintes irraisonnées? Luis Alvarez-Gaume, Michael Doser et Christophe Grojean, physiciens du CERN vous invitent à mettre en lumière (!) les constituants de base de la matière et à explorer les mystères de la physique contemporaine. Une soirée lumineuse pour éclairer des concepts et ne plus avoir peur du noir.

  3. Consent-Based Siting Public Meeting Small Group Discussion Summary

    Office of Environmental Management (EM)

    FY 2010 FY 2010 FY 2010 ($ in thousands) Congressional Final House Final Senate Current Request Mark Mark Appropriation FOSSIL ENERGY R&D Coal 368,865 394,315 428,200 393,485 Natural Gas Technologies 25,000 25,000 25,000 17,364 Unconventional Fossil Energy Technologies 0 0 25,000 19,474 Program Direction 158,000 158,000 158,000 158,000 Plant & Capital Equipment 20,000 20,000 20,000 20,000 Environmental Restoration 10,000 10,000 10,000 10,000 Cooperative Res. & Development 0 0 5,000

  4. Models and Results Database (MAR-D), Version 4. 0

    SciTech Connect (OSTI)

    Branham-Haar, K.A.; Dinneen, R.A.; Russell, K.D.; Skinner, N.L. )

    1992-05-01

    The Nuclear Regulatory Commission's Office of Nuclear Regulatory Research (NRC-RES) is presently funding the development of the Models and Results Database (MAR-D) at the Idaho National Engineering Laboratory. MAR-D's primary function is to create a data repository for NUREG-1150 and other permanent data by providing input, conversion, and output capabilities for data used by IRRAS, SARA, SETS, and FRANTIC personal computer (PC) codes. As probabilistic risk assessments and individual plant examinations are submitted to the NRC for review, MAR-D can be used to convert the models and results from the study for use with IRRAS and SARA. Then, these data can be easily accessed by future studies and will be in a form that will enhance the analysis process. This reference manual provides an overview of the function available within MAR-D and step-by-step operating instructions.

  5. U

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

    Toi' tiie Atomic Enei-KV Commission 7"^^ ~^ o - PPR V o l . U B No. 1 . 9 * ^ PUBLICLY F^LlASAlLB)ecia8Sification Officer_^.JJ;j^i<^. FOmWTION OF THE JO-TSAR SLK1EOT 9 4 , ^ ^ ' ^ cfocument consist, nf FROM DEUTEROM BOIvroARDMEOT OF U23g ( 1 4 -^U)agesaPa r!) f No. rp..._of _ ^ - j _ *^ ^'g^res J.i7. Kennedy, M.L. Perlraan, E. Segre and A.C. \7ahl '^^^^'-^'^ Spr>f$?. _ ' ^ Abstract v ^ I t has been shown by bombardment with deuterons of a sample of U238^ g r e a t l y depleted i n

  6. Axial resonances a$$_{1}$$(1260), b$$_{1}$$(1235) and their decays from the lattice

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

    Lang, C. B.; Leskovec, Luka; Mohler, Daniel; Prelovsek, Sasa

    2014-04-28

    The light axial-vector resonancesmore » $a_1(1260)$ and $b_1(1235)$ are explored in Nf=2 lattice QCD by simulating the corresponding scattering channels $$\\rho\\pi$$ and $$\\omega\\pi$$. Interpolating fields $$\\bar{q} q$$ and $$\\rho\\pi$$ or $$\\omega\\pi$$ are used to extract the s-wave phase shifts for the first time. The $$\\rho$$ and $$\\omega$$ are treated as stable and we argue that this is justified in the considered energy range and for our parameters $$m_\\pi\\simeq 266~$$MeV and $$L\\simeq 2~$$fm. We neglect other channels that would be open when using physical masses in continuum. Assuming a resonance interpretation a Breit-Wigner fit to the phase shift gives the $a_1(1260)$ resonance mass $$m_{a1}^{res}=1.435(53)(^{+0}_{-109})$$ GeV compared to $$m_{a1}^{exp}=1.230(40)$$ GeV. The $a_1$ width $$\\Gamma_{a1}(s)=g^2 p/s$$ is parametrized in terms of the coupling and we obtain $$g_{a_1\\rho\\pi}=1.71(39)$$ GeV compared to $$g_{a_1\\rho\\pi}^{exp}=1.35(30)$$ GeV derived from $$\\Gamma_{a1}^{exp}=425(175)$$ MeV. In the $b_1$ channel, we find energy levels related to $$\\pi(0)\\omega(0)$$ and $b_1(1235)$, and the lowest level is found at $$E_1 \\gtrsim m_\\omega+m_\\pi$$ but is within uncertainty also compatible with an attractive interaction. Lastly, assuming the coupling $$g_{b_1\\omega\\pi}$$ extracted from the experimental width we estimate $$m_{b_1}^{res}=1.414(36)(^{+0}_{-83})$$.« less

  7. The Gremlin Framework

    Energy Science and Technology Software Center (OSTI)

    2013-09-26

    The Gremlin sofrware package is a performance analysis approach targeted to support the Co-Design process for future systems. It consists of a series of modules that can be used to alter a machine's behavior with the goal of emulating future machine properties. The modules can be divided into several classes; the most significant ones are detailed below. PowGre is a series of modules that help explore the power consumption properties of applications and to determinemore » the impact of power constraints on applications. Most of them use low-level processor interfaces to directly control voltage and frequency settings as well as per nodes, socket, or memory power bounds. MemGre are memory Gremlins and implement a new performance analysis technique that captures the application's effective use of the storage capacity of different levels of the memory hierarchy as well as the bandwidth between adjacent levels. The approach models various memory components as resources and measures how much of each resource the application uses from the application's own perspective. To the application a given amount of a resource is "used" if not having this amount will degrade the application's performance. This is in contrast to the hardware-centric perspective that considers "use" as any hardware action that utilizes the resource, even if it has no effect on performance. ResGre are Gremlins that use fault injection techniques to emulate higher fault rates than currently present in today's systems. Faults can be injected through various means, including network interposition, static analysis, and code modification, or direct application notification. ResGre also includes patches to previously released LLNL codes that can counteract and react to injected failures.« less

  8. Policy Strategies and Paths to promote Sustainable Energy Systems- The dynamic Invert Simulation Tool

    SciTech Connect (OSTI)

    Stadler, Michael; Kranzl, Lukas; Huber, Claus; Haas, Reinhard; Tsioliaridou, Elena

    2006-05-01

    The European Union has established a number of targetsregarding energy efficiency, Renewable Energy Sources (RES) and CO2reductions as the 'GREEN PAPER on Energy Efficiency', the Directive for'promotion of the use of bio-fuels or other renewable fuels fortransport' or 'Directive of the European Parliament of the Council on thepromotion of cogeneration based on a useful heat demand in the internalenergy market'. A lot of the according RES and RUE measures are notattractive for investors from an economic point of view. Thereforegovernmentsall over the world have to spend public money to promotethese technologies/measures to bring them into market. These expenditureshave to be adjusted to budget concerns and should be spent mostefficiently. Therefore, the spent money has to be dedicated totechnologies and efficiency measures with the best yield in CO2 reductionwithout wasting money. The core question: "How can public money - forpromoting sustainable energy systems - be spent most efficiently toreduce GHG-emissions?" has been well investigated by the European projectInvert. In course of this project a simulation tool has been designed toanswer this core question. This paper describes the modelling with theInvert simulation tool and shows the key features necessary forsimulating the energy system. A definition of 'Promotion SchemeEfficiency' is given which allows estimating the most cost effectivetechnologies and/or efficiency measures to reduce CO2 emissions.Investigations performed with the Invert simulation tool deliver anoptimum portfolio mix of technologies and efficiency measures for eachselected region. Within Invert seven European regions were simulated andfor the Austrian case study the detailed portfolio mix is shown andpolitical conclusions are derived.

  9. Recoil Polarization Measurements for Neutral Pion Electroproduction at Q^2=1 (GeV/c)^2 Near the Delta Resonance

    SciTech Connect (OSTI)

    James Kelly; et. Al.

    2005-09-01

    We measured angular distributions of differential cross section, beam analyzing power, and recoil polarization for neutral pion electroproduction at Q{sup 2} = 1.0 (GeV/c){sup 2} in 10 bins of W across the Delta resonance. A total of 16 independent response functions were extracted, of which 12 were observed for the first time. Comparisons with recent model calculations show that response functions governed by real parts of interference products are determined relatively well near 1.232 GeV, but variations among models is large for response functions governed by imaginary parts and for both increases rapidly with W. We performed a nearly model-independent multipole analysis that adjusts complex multipoles with high partial waves constrained by baseline models. Parabolic fits to the W dependence of the multipole analysis around the Delta mass gives values for SMR = (-6.61 +/- 0.18)% and EMR = (-2.87 +/- 0.19)% that are distinctly larger than those from Legendre analysis of the same data. Similarly, the multipole analysis gives Re(S0+/M1+) = (+7.1 +/- 0.8)% at W=1.232 GeV, consistent with recent models, while the traditional Legendre analysis gives the opposite sign because its truncation errors are quite severe. Finally, using a unitary isobar model (UIM), we find that excitation of the Roper resonance is dominantly longitudinal with S1/2 = (0.05 +/- 0.01) GeV{sup (-1/2)} at Q{sup 2}=1. The ReS0+ and ReE0+ multipoles favor pseudovector coupling over pseudoscalar coupling or a recently proposed mixed-coupling scheme, but the UIM does not reproduce the imaginary parts of 0+ multipoles well.

  10. A sodium gadolinium phosphate with two different types of tunnel structure: Synthesis, crystal structure, and optical properties of Na{sub 3}GdP{sub 2}O{sub 8}

    SciTech Connect (OSTI)

    Fang, M.; Cheng, W.-D. Zhang, H.; Zhao, D.; Zhang, W.-L.; Yang, S.-L.

    2008-09-15

    A sodium gadolinium phosphate crystal, Na{sub 3}GdP{sub 2}O{sub 8}, has been synthesized by a high-temperature solution reaction, and it exhibits a new structural family of the alkali-metal-rare-earth phosphate system. Although many compounds with formula M{sub 3}LnP{sub 2}O{sub 8} have been reported, but they were shown to be orthorhombic [R. Salmon, C. Parent, M. Vlasse, G. LeFlem, Mater. Res. Bull. 13 (1978) 439] rather than monoclinic as shown in this paper. Single-crystal X-ray diffraction analysis shows the structure to be monoclinic with space group C2/c and the cell parameters: a=27.55 (25), b=5.312 (4), c=13.935(11) A, {beta}=91.30(1){sup o}, and V=2038.80 A{sup 3}, Z=4. Its structure features a three-dimensional GdP{sub 2}O{sub 8}{sup 3-} anionic framework with two different types of interesting tunnels at where Na atoms are located by different manners. The framework is constructed by Gd polyhedra and isolated PO{sub 4} tetrahedra. It is different from the structure of K{sub 3}NdP{sub 2}O{sub 8} [R. Salmon, C. Parent, M. Vlasse, G. LeFlem, Mater. Res. Bull. 13 (1978) 439] with space group P2{sub 1}/m that shows only one type of tunnel. The emission spectrum and the absorption spectrum of the compound have been investigated. Additionally, the calculations of band structure, density of states, dielectric constants, and refractive indexes have been also performed with the density functional theory method. The obtained results tend to support the experimental data. - Graphical abstract: Projection of the structure of Na{sub 3}GdP{sub 2}O{sub 8} with a unit cell edge along the b-axis. The Na-O bonds are omitted for clarity.

  11. Implementation of Treatment Systems for Low and Intermediate Radioactive Waste at Site Radwaste Treatment Facility (SRTF), PR China - 12556

    SciTech Connect (OSTI)

    Lohmann, Peter; Nasarek, Ralph; Aign, Joerg

    2012-07-01

    The AP1000 reactors being built in the People's Republic of China require a waste treatment facility to process the low and intermediate radioactive waste produced by these nuclear power stations. Westinghouse Electric Germany GmbH was successful in being awarded a contract as to the planning, delivery and commissioning of such a waste treatment facility. The Site Radwaste Treatment Facility (SRTF) is a waste treatment facility that can meet the AP1000 requirements and it will become operational in the near future. The SRTF is situated at the location of Sanmen, People's Republic of China, next to one of the AP1000 and is an adherent building to the AP1000 comprising different waste treatment processes for radioactive spent filter cartridges, ion-exchange resins and radioactive liquid and solid waste. The final product of the SRTF-treatment is a 200 l drum with cemented waste or grouted waste packages for storage in a local storage facility. The systems used in the SRTF are developed for these special requirements, based on experience from similar systems in the German nuclear industry. The main waste treatment systems in the SRTF are: - Filter Cartridge Processing System (FCS); - HVAC-Filter and Solid Waste Treatment Systems (HVS); - Chemical Liquid Treatment Systems (CTS); - Spent Resin Processing Systems (RES); - Mobile Treatment System (MBS). (authors)

  12. MARKAL-MACRO: A linked model for energy-economy analysis

    SciTech Connect (OSTI)

    Manne, A.S.; Wene, C.O.

    1992-02-01

    MARKAL-MACRO is an experiment in model linkage for energy and economy analysis. This new tool is intended as an improvement over existing methods for energy strategy assessment. It is designed specifically for estimating the costs and analyzing the technologies proposed for reducing environmental risks such as global climate change or regional air pollution. The greenhouse gas debate illustrates the usefulness of linked energy-economy models. A central issue is the coupling between economic growth, the level of energy demands, and the development of an energy system to supply these demands. The debate is often connected with alternative modeling approaches. The competing philosophies may be labeled ``top-down macroeconomic`` and ``bottom-up engineering`` perspectives. MARKAL is a systems engineering (physical process) analysis built on the concept of a Reference Energy System (RES). MARKAL is solved by means of dynamic linear programming. In most applications, the end use demands are fixed, and an economically efficient solution is obtained by minimizing the present value of energy system`s costs throughout the planning horizon. MACRO is a macroeconomic model with an aggregated view of long-term economic growth. The basis input factors of production are capital, labor and individual forms of energy. MACRO is solved by nonlinear optimization.

  13. MARKAL-MACRO: A linked model for energy-economy analysis

    SciTech Connect (OSTI)

    Manne, A.S. ); Wene, C.O. Chalmers Univ. of Tech., Goeteborg )

    1992-02-01

    MARKAL-MACRO is an experiment in model linkage for energy and economy analysis. This new tool is intended as an improvement over existing methods for energy strategy assessment. It is designed specifically for estimating the costs and analyzing the technologies proposed for reducing environmental risks such as global climate change or regional air pollution. The greenhouse gas debate illustrates the usefulness of linked energy-economy models. A central issue is the coupling between economic growth, the level of energy demands, and the development of an energy system to supply these demands. The debate is often connected with alternative modeling approaches. The competing philosophies may be labeled top-down macroeconomic'' and bottom-up engineering'' perspectives. MARKAL is a systems engineering (physical process) analysis built on the concept of a Reference Energy System (RES). MARKAL is solved by means of dynamic linear programming. In most applications, the end use demands are fixed, and an economically efficient solution is obtained by minimizing the present value of energy system's costs throughout the planning horizon. MACRO is a macroeconomic model with an aggregated view of long-term economic growth. The basis input factors of production are capital, labor and individual forms of energy. MACRO is solved by nonlinear optimization.

  14. Pressure-tuned quantum criticality in the antiferromagnetic Kondo semimetal CeNi2–δAs2

    SciTech Connect (OSTI)

    Luo, Yongkang; Ronning, F.; Wakeham, N.; Lu, Xin; Park, Tuson; Xu, Z. -A.; Thompson, J. D.

    2015-10-19

    The easily tuned balance among competing interactions in Kondo-lattice metals allows access to a zero-temperature, continuous transition between magnetically ordered and disordered phases, a quantum-critical point (QCP). Indeed, these highly correlated electron materials are prototypes for discovering and exploring quantum-critical states. Theoretical models proposed to account for the strange thermodynamic and electrical transport properties that emerge around the QCP of a Kondo lattice assume the presence of an indefinitely large number of itinerant charge carriers. Here, we report a systematic transport and thermodynamic investigation of the Kondo-lattice system CeNi2–δAs2 (δ ≈ 0.28) as its antiferromagnetic order is tuned by pressure and magnetic field to zero-temperature boundaries. These experiments show that the very small but finite carrier density of ~0.032 e/formular unit in CeNi2–δAs2 leads to unexpected transport signatures of quantum criticality and the delayed development of a fully coherent Kondo-lattice state with decreasing temperature. Here, the small carrier density and associated semimetallicity of this Kondo-lattice material favor an unconventional, local-moment type of quantum criticality and raises the specter of the Nozières exhaustion idea that an insufficient number of conduction-electron spins to separately screen local moments requires collective Kondo screening.

  15. Electromagnetic energy conversion in downstream fronts from three dimensional kinetic reconnection

    SciTech Connect (OSTI)

    Lapenta, Giovanni [Departement Wiskunde, KU Leuven, Universiteit Leuven (Belgium)] [Departement Wiskunde, KU Leuven, Universiteit Leuven (Belgium); Goldman, Martin; Newman, David [University of Colorado, Colorado 80309 (United States)] [University of Colorado, Colorado 80309 (United States); Markidis, Stefano [High Performance Computing and Visualization (HPCViz) Department, KTH Royal Institute of Technology, Stockholm (Sweden)] [High Performance Computing and Visualization (HPCViz) Department, KTH Royal Institute of Technology, Stockholm (Sweden); Divin, Andrey [Swedish Institute of Space Physics, Uppsala (Sweden)] [Swedish Institute of Space Physics, Uppsala (Sweden)

    2014-05-15

    The electromagnetic energy equation is analyzed term by term in a 3D simulation of kinetic reconnection previously reported by Vapirev et al. [J. Geophys. Res.: Space Phys. 118, 1435 (2013)]. The evolution presents the usual 2D-like topological structures caused by an initial perturbation independent of the third dimension. However, downstream of the reconnection site, where the jetting plasma encounters the yet unperturbed pre-existing plasma, a downstream front is formed and made unstable by the strong density gradient and the unfavorable local acceleration field. The energy exchange between plasma and fields is most intense at the instability, reaching several pW/m{sup 3}, alternating between load (energy going from fields to particles) and generator (energy going from particles to fields) regions. Energy exchange is instead purely that of a load at the reconnection site itself in a region focused around the x-line and elongated along the separatrix surfaces. Poynting fluxes are generated at all energy exchange regions and travel away from the reconnection site transporting an energy signal of the order of about S?10{sup ?3}W/m{sup 2}.

  16. Data Quality Assurance Program Plan for NRC Division of Risk Analysis Programs at the INL

    SciTech Connect (OSTI)

    Sattison, Martin B.; Wierman, Thomas E.; Vedros, Kurt G.; Germain, Shawn W. St.; Eide, Steven A.; Sant, Robert L.

    2009-07-01

    The Division of Risk Analysis (DRA), Office of Nuclear Regulatory Research (RES), must ensure that the quality of the data that feed into its programs follow Office of Management and Budget (OMB) and U.S. Nuclear Regulatory Commission (NRC) guidelines and possibly other standards and guidelines used in nuclear power plant risk analyses. This report documents the steps taken in DRAs Data Quality Improvement project (Job Control Number N6145) to develop a Data Quality Assurance Program Plan. These steps were 1. Conduct a review of data quality requirements 2. Review current data programs, products, and data quality control activities 3. Review the Institute of Nuclear Power Operation (INPO) Equipment Performance and Information Exchange (EPIX) data quality programs and characterize the EPIX data quality and uncertainty 4. Compare these programs, products, and activities against the requirements 5. Develop a program plan that provides assurance that data quality is being maintained. It is expected that the Data Quality Assurance Program Plan will be routinely implemented in all aspects of future data collection and processing efforts and that specific portions will be executed annually to provide assurance that data quality is being maintained.

  17. Multidisciplinary framework for human reliability analysis with an application to errors of commission and dependencies

    SciTech Connect (OSTI)

    Barriere, M.T.; Luckas, W.J.; Wreathall, J.; Cooper, S.E.; Bley, D.C.; Ramey-Smith, A.

    1995-08-01

    Since the early 1970s, human reliability analysis (HRA) has been considered to be an integral part of probabilistic risk assessments (PRAs). Nuclear power plant (NPP) events, from Three Mile Island through the mid-1980s, showed the importance of human performance to NPP risk. Recent events demonstrate that human performance continues to be a dominant source of risk. In light of these observations, the current limitations of existing HRA approaches become apparent when the role of humans is examined explicitly in the context of real NPP events. The development of new or improved HRA methodologies to more realistically represent human performance is recognized by the Nuclear Regulatory Commission (NRC) as a necessary means to increase the utility of PRAS. To accomplish this objective, an Improved HRA Project, sponsored by the NRC`s Office of Nuclear Regulatory Research (RES), was initiated in late February, 1992, at Brookhaven National Laboratory (BNL) to develop an improved method for HRA that more realistically assesses the human contribution to plant risk and can be fully integrated with PRA. This report describes the research efforts including the development of a multidisciplinary HRA framework, the characterization and representation of errors of commission, and an approach for addressing human dependencies. The implications of the research and necessary requirements for further development also are discussed.

  18. A mid-layer model for human reliability analysis : understanding the cognitive causes of human failure events.

    SciTech Connect (OSTI)

    Shen, Song-Hua; Chang, James Y. H.; Boring,Ronald L.; Whaley, April M.; Lois, Erasmia; Hendrickson, Stacey M. Langfitt; Oxstrand, Johanna H.; Forester, John Alan; Kelly, Dana L.; Mosleh, Ali

    2010-03-01

    The Office of Nuclear Regulatory Research (RES) at the US Nuclear Regulatory Commission (USNRC) is sponsoring work in response to a Staff Requirements Memorandum (SRM) directing an effort to establish a single human reliability analysis (HRA) method for the agency or guidance for the use of multiple methods. As part of this effort an attempt to develop a comprehensive HRA qualitative approach is being pursued. This paper presents a draft of the method's middle layer, a part of the qualitative analysis phase that links failure mechanisms to performance shaping factors. Starting with a Crew Response Tree (CRT) that has identified human failure events, analysts identify potential failure mechanisms using the mid-layer model. The mid-layer model presented in this paper traces the identification of the failure mechanisms using the Information-Diagnosis/Decision-Action (IDA) model and cognitive models from the psychological literature. Each failure mechanism is grouped according to a phase of IDA. Under each phase of IDA, the cognitive models help identify the relevant performance shaping factors for the failure mechanism. The use of IDA and cognitive models can be traced through fault trees, which provide a detailed complement to the CRT.

  19. Single nucleotide polymorphism in transcriptional regulatory regions and expression of environmentally responsive genes

    SciTech Connect (OSTI)

    Wang, Xuting; Tomso, Daniel J.; Liu Xuemei; Bell, Douglas A. . E-mail: BELL1@niehs.nih.gov

    2005-09-01

    Single nucleotide polymorphisms (SNPs) in the human genome are DNA sequence variations that can alter an individual's response to environmental exposure. SNPs in gene coding regions can lead to changes in the biological properties of the encoded protein. In contrast, SNPs in non-coding gene regulatory regions may affect gene expression levels in an allele-specific manner, and these functional polymorphisms represent an important but relatively unexplored class of genetic variation. The main challenge in analyzing these SNPs is a lack of robust computational and experimental methods. Here, we first outline mechanisms by which genetic variation can impact gene regulation, and review recent findings in this area; then, we describe a methodology for bioinformatic discovery and functional analysis of regulatory SNPs in cis-regulatory regions using the assembled human genome sequence and databases on sequence polymorphism and gene expression. Our method integrates SNP and gene databases and uses a set of computer programs that allow us to: (1) select SNPs, from among the >9 million human SNPs in the NCBI dbSNP database, that are similar to cis-regulatory element (RE) consensus sequences; (2) map the selected dbSNP entries to the human genome assembly in order to identify polymorphic REs near gene start sites; (3) prioritize the candidate polymorphic RE containing genes by searching the existing genotype and gene expression data sets. The applicability of this system has been demonstrated through studies on p53 responsive elements and is being extended to additional pathways and environmentally responsive genes.

  20. Table

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

    5 from (2012KE01): Energy levels of 11 N E res (MeV ± keV) E x (MeV ± keV) J π ; T Γ (keV) Decay Reactions 1.49 ± 60 0 1 2 + ; 3 2 830 ± 30 p 1, 2, 3, 6 2.22 ± 30 0.73 ± 70 1 2 - 600 ± 100 p 1, 2, 3, 5, 6 3.06 ± 80 (1.57 ± 80) < 100 p 3 3.69 ± 30 2.20 ± 70 5 2 + 540 ± 40 p 1, 3, 5, 6 4.35 ± 30 2.86 ± 70 3 2 - 340 ± 40 p 1, 3, 5, 6 5.12 ± 80 (3.63 ± 100) ( 5 2 - ) < 220 p 5 5.91 ± 30 4.42 ± 70 ( 5 2 - ) p 3, 5, 6 6.57 ± 100 5.08 ± 120 ( 3 2 - ) 100 ± 60 p 3, 6 1

  1. Influence of fatigue on the nanohardness of NiTiCr-wires

    SciTech Connect (OSTI)

    Frotscher, M.; Young, M. L.; Bei, Hongbin; George, Easo P; Neuking, K.; Eggeler, G.

    2009-01-01

    Testing parameters, such as rotational speed and bending radius, have a strong influence on the fatigue life of pseudoelastic NiTi shape-memory alloys during bending rotation fatigue (BRF) experiments [M. F. X. Wagner, Int. J. Mat. Res. 97 (2006), p. 1687-1696. and M. Frotscher, et al., Thermomechanical processing, microstructure and bending rotation fatigue of ultra-fine grained NiTiCr-wires, Proceedings of the International Conference for Shape Memory and Superelastic Technologies (SMST 2007), Tsukuba, Japan, ASM International, (2008), p. 149-158.]. Previous studies showed a decrease in the fatigue life for smaller bending radius (i.e. higher equivalent strain) and larger rotational speed. This observation is associated with an increase of dislocation density, the stabilization of stressinduced martensite during cycling, and an increase of the plateau stresses due to self-heating. In the present study, we examine the influence of these fatigue parameters on the nanohardness and shape recovery of pseudoelastic NiTiCr shape-memory alloy wires by nanoindentation. We show that nanoindentation is a suitable method for the characterization of fatigue-related microstructural changes, which affect the mechanical properties.

  2. Conservation and solar energy program: congressional budget request, FY 1982

    SciTech Connect (OSTI)

    1981-01-01

    Funding summaries are presented for the Conservation and Solar Energy Program funding information and program overview on energy conservation (Volume 7 of 7, DOE/CR-0011/2) are included for the Buildings and Community Systems, Industrial, Transportation; State and Local, Multi-Sector, Energy Impact Assistance, and Residential/Commercial retrofit programs. Funding information and program overviews on solar technology (Volume 2 of 7, DOE/CR-011/2) are included for Active and Passive Solar Heating and Cooling, Photovoltaics Energy Systems, Solar Thermal Power Systems, Biomass Energy Systems, Wind Energy Conversion Systems, Ocean Systems, Solar International Activities, Solar Information Systems, SERI Facility, MX-RES, Program Direction, and Alcohol Fuels programs. Information and overviews on energy production, demonstration, and distribution (Volume 6 of 7, DOE/CR-0011/2) are given for the solar program. A funding summary and a program overview are included for electrochemical and physical and chemical storage systems as appearing in DOE/CR-0011/2, Volume 3 of 7. Relevant tabulated data from the FY 1981. Request to the Congress are presented for Supplementals, Rescissions, and Deferrals. (MCW)

  3. Reducing Ultra-Clean Transportation Fuel Costs with HyMelt Hydrogen

    SciTech Connect (OSTI)

    Donald P. Malone; William R. Renner

    2006-09-30

    This report describes activities for the sixteenth quarter of work performed under this agreement. MEFOS, the gasification testing subcontractor, reported to EnviRes that the vendor for the pressure vessel for above atmospheric testing now plans to deliver it by November 20, 2006 instead of October 20, 2006 as previously reported. MEFOS performed a hazardous operation review of pressurized testing. The current schedule anticipates above atmospheric pressure testing to begin during the week of April 16, 2007. Phase I of the work to be done under this agreement consisted of conducting atmospheric gasification of coal using the HyMelt technology to produce separate hydrogen rich and carbon monoxide rich product streams. In addition smaller quantities of petroleum coke and a low value refinery stream were gasified. Phase II of the work to be done under this agreement, consists of gasification of the above-mentioned feeds at a gasifier pressure of approximately 3 bar. The results of this work will be used to evaluate the technical and economic aspects of producing ultra-clean transportation fuels using the HyMelt technology in existing and proposed refinery configurations.

  4. REDUCING ULTRA-CLEAN TRANSPORTATION FUEL COSTS WITH HYMELT HYDROGEN

    SciTech Connect (OSTI)

    Donald P. Malone; William R. Renner

    2005-01-01

    This report describes activities for the seventh quarter of work performed under this agreement. We await approval from the Swedish pressure vessel board to allow us to proceed with the procurement of the vessel for super atmospheric testing. Phase I of the work to be done under this agreement consists of conducting atmospheric gasification of coal using the HyMelt technology to produce separate hydrogen rich and carbon monoxide rich product streams. In addition smaller quantities of petroleum coke and a low value refinery stream will be gasified. DOE and EnviRes will evaluate the results of this work to determine the feasibility and desirability of proceeding to Phase II of the work to be done under this agreement, which is gasification of the above-mentioned feeds at a gasifier pressure of approximately 5 bar. The results of this work will be used to evaluate the technical and economic aspects of producing ultra-clean transportation fuels using the HyMelt technology in existing and proposed refinery configurations.

  5. Current disruption and its spreading in collisionless magnetic reconnection

    SciTech Connect (OSTI)

    Jain, Neeraj; Büchner, Jörg; Ji, Hantao

    2013-11-15

    Recent magnetic reconnection experiments (MRX) [Dorfman et al., Geophys. Res. Lett. 40, 233 (2013)] have disclosed current disruption in the absence of an externally imposed guide field. During current disruption in MRX, both the current density and the total observed out-of-reconnection-plane current drop simultaneous with a rise in out-of-reconnection-plane electric field. Here, we show that current disruption is an intrinsic property of the dynamic formation of an X-point configuration of magnetic field in magnetic reconnection, independent of the model used for plasma description and of the dimensionality (2D or 3D) of reconnection. An analytic expression for the current drop is derived from Ampere's Law. Its predictions are verified by 2D and 3D electron-magnetohydrodynamic (EMHD) simulations. Three dimensional EMHD simulations show that the current disruption due to localized magnetic reconnection spreads along the direction of the electron drift velocity with a speed which depends on the wave number of the perturbation. The implications of these results for MRX are discussed.

  6. Pressure-tuned quantum criticality in the antiferromagnetic Kondo semimetal CeNi2–δAs2

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

    Luo, Yongkang; Ronning, F.; Wakeham, N.; Lu, Xin; Park, Tuson; Xu, Z. -A.; Thompson, J. D.

    2015-10-19

    The easily tuned balance among competing interactions in Kondo-lattice metals allows access to a zero-temperature, continuous transition between magnetically ordered and disordered phases, a quantum-critical point (QCP). Indeed, these highly correlated electron materials are prototypes for discovering and exploring quantum-critical states. Theoretical models proposed to account for the strange thermodynamic and electrical transport properties that emerge around the QCP of a Kondo lattice assume the presence of an indefinitely large number of itinerant charge carriers. Here, we report a systematic transport and thermodynamic investigation of the Kondo-lattice system CeNi2–δAs2 (δ ≈ 0.28) as its antiferromagnetic order is tuned by pressuremore » and magnetic field to zero-temperature boundaries. These experiments show that the very small but finite carrier density of ~0.032 e–/formular unit in CeNi2–δAs2 leads to unexpected transport signatures of quantum criticality and the delayed development of a fully coherent Kondo-lattice state with decreasing temperature. Here, the small carrier density and associated semimetallicity of this Kondo-lattice material favor an unconventional, local-moment type of quantum criticality and raises the specter of the Nozières exhaustion idea that an insufficient number of conduction-electron spins to separately screen local moments requires collective Kondo screening.« less

  7. Final Technical Report

    SciTech Connect (OSTI)

    Peter McIntyre

    2006-08-16

    This document presents an annual report on our long-term R&D grant for development of new technology for future colliders. The organizing theme of our development is to develop a compact high-field collider dipole, utilizing wind-and-react Nb3Sn coil fabrication, stress man-agement, conductor optimization, bladder preload, and flux plate suppression of magnetization multipoles . The development trail for this new technology began over four years ago with the successful testing of TAMU12, a NbTi model in which we put to a first test many of the construction details of the high-field design. We have built TAMU2, a mirror-geometry dipole containing a single coil module of the 3-module set required for the 14 Tesla design. This first Nb3Sn model was built using ITER conductor which carries much less current than high-performance conductor but enables us to prove in practice our reaction bake and impregnation strategies with free su-perconductor. TAMU2 has been shipped to LBNL for testing. Work is beginning on the con-struction of TAMU3, which will contain two coil modules of the 14 Tesla design. TAMU3 has a design field of 13.5 Tesla, and will enable us to fully evaluate the issues of stress management that will be important to the full design. With the completion of TAMU2 and the construction of TAMU3 the Texas A&M group comes of age in the family of superconducting magnet R&D laboratories. We have completed the phase of developing core technologies and fixtures and entered the phase of building and testing a succession of TAMU3 model dipoles that each build incrementally upon a proven core design. TAMU3 provides a testbed in which we can build a succession of model dipoles in which each new model uses one new winding module coupled with one module from the previ-ous model, and uses all of the same structural elements in successive models. This incremental development should enable us to keep to a minimum the time between the completion and test-ing of successive models. Each new model will incorporate a particular design element that we wish to evaluate: first the basic TAMU3 structure, then substitute one pancake using high-performance superconductor (3,000 A/mm2 @ 12 T, 4.2 K), then substitute one pancake using mixed-strand cable, then insert a steel nose to reduce the peak field in the end region of a single-pancake coil. While we are building and testing this succession of TAMU3 models we will de-velop the tooling and evaluate strategies for flaring the ends of the center double-pancake coil needed for.TAMU4. TAMU4 is a full implementation of the design, culminating in 14 Tesla performance. Pending the proposed increase of budget from the present 3-year-flat budget and providing that the tests of each model dipole do not lead to substantial modifications of the de-sign, the time to build and test each succeeding model could be ~9 months. During the present funding year we made a sequence of innovations that have major poten-tial benefit for the commissioning of LHC, upgrade of its luminosity, and its long-term future: An electrode assembly, suitable for integration within the existing LHC dipoles, ca-pable of killing the electron cloud effect an effect that threatens to limit the lumi-nosity that could be attained in LHC; A Nb3Sn structured cable, which makes it possible to design very high gradient quadrupoles for upgrade of the interaction regions of LHC to enhance its luminosity; A Nb3Sn/NbTi levitated-pole dipole for use in the D1 bends that combine and sepa-rate the beams at the intersection regions. The levitated-pole design uniquely solves the problems of radiation damage and heating from particles swept from the beam. A hybrid dipole technology, in which inner windings of Bi-2212 are integrated in a Nb3Sn block-coil dipole to push to 24 Tesla, opening the possibility of a future trip-ler upgrade of LHC .

  8. A digital seismogram archive of nuclear explosion signals, recorded at the Borovoye Geophysical Observatory, Kazakhstan, from 1966 to 1996

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

    An, Vadim A.; Ovtchinnikov, Vladimir M.; Kaazik, Pyotr B.; Adushkin, Vitaly V.; Sokolova, Inna N.; Aleschenko, Iraida B.; Mikhailova, Natalya N.; Kim, Won -Young; Richards, Paul G.; Patton, Howard J.; et al

    2015-03-27

    Seismologists from Kazakhstan, Russia, and the United States have rescued the Soviet-era archive of nuclear explosion seismograms recorded at Borovoye in northern Kazakhstan during the period 1966–1996. The signals had been stored on about 8000 magnetic tapes, which were held at the recording observatory. After hundreds of man-years of work, these digital waveforms together with significant metadata are now available via the project URL, namely http://www.ldeo.columbia.edu/res/pi/Monitoring/Data/ as a modern open database, of use to diverse communities. Three different sets of recording systems were operated at Borovoye, each using several different seismometers and different gain levels. For some explosions, more thanmore » twenty different channels of data are available. A first data release, in 2001, contained numerous glitches and lacked many instrument responses, but could still be used for measuring accurate arrival times and for comparison of the strengths of different types of seismic waves. The project URL also links to our second major data release, for nuclear explosions in Eurasia recorded in Borovoye, in which the data have been deglitched, all instrument responses have been included, and recording systems are described in detail. This second dataset consists of more than 3700 waveforms (digital seismograms) from almost 500 nuclear explosions in Eurasia, many of them recorded at regional distances. It is important as a training set for the development and evaluation of seismological methods of discriminating between earthquakes and underground explosions, and can be used for assessment of three-dimensional models of the Earth’s interior structure.« less

  9. Results of a literature review on the environmental qualification of low-voltage electric cables

    SciTech Connect (OSTI)

    Lofaro, R.; Lee, B.; Villaran, M.; Gleason, J.; Aggarwal, S.

    1995-12-31

    In the design of nuclear power plants in the US, safety-related electric equipment must be qualified to provide reasonable assurance it can withstand the effects of a design basis event (DBE) and still be able to perform its prescribed safety function, even if the accident were to occur at the end of its service life. The requirement for environmental qualification (EQ) originates from the General Design Criteria in the Code of Federal Regulations, Title 10, Part 50 (10 CFR 50). The acceptable method of performing the qualification of this equipment has evolved over the years, starting with the NRC Division of Operating Reactors (DOR) Guidelines, which were issued in Bulletin 79--01B, and NUREG-0588 requirements and ending with the current EQ Rule, 10 CFR 50.49. While the EQ methods described in these documents have the same overall objective, there are some notable differences for which a clear technical basis has not been established. One difference is the preaging requirement for equipment prior to LOCA testing. In addition, specific issues related to current EQ practices have been raised by the US NRC which need to be addressed. These issues, which are discussed in detail later in this paper, are related to the sources of conservatism and uncertainty in IEEE Standard 323--1974, which is the qualification standard currently endorsed by the NRC. To address these issues, the NRC Office of Nuclear Reactor Regulation (NRR) implemented a Task Action Plan (TAP), and the Office of Nuclear Reactor Research (RES) initiated a complementary research program. The current focus of this program is on the qualification of low-voltage instrumentation and control cables. These cables were selected since they are not typically replaced on a routine basis, and their degradation could impact plant safety.

  10. A digital seismogram archive of nuclear explosion signals, recorded at the Borovoye Geophysical Observatory, Kazakhstan, from 1966 to 1996

    SciTech Connect (OSTI)

    An, Vadim A.; Ovtchinnikov, Vladimir M.; Kaazik, Pyotr B.; Adushkin, Vitaly V.; Sokolova, Inna N.; Aleschenko, Iraida B.; Mikhailova, Natalya N.; Kim, Won -Young; Richards, Paul G.; Patton, Howard J.; Scott Phillips, W.; Randall, George; Baker, Diane

    2015-03-27

    Seismologists from Kazakhstan, Russia, and the United States have rescued the Soviet-era archive of nuclear explosion seismograms recorded at Borovoye in northern Kazakhstan during the period 1966–1996. The signals had been stored on about 8000 magnetic tapes, which were held at the recording observatory. After hundreds of man-years of work, these digital waveforms together with significant metadata are now available via the project URL, namely http://www.ldeo.columbia.edu/res/pi/Monitoring/Data/ as a modern open database, of use to diverse communities. Three different sets of recording systems were operated at Borovoye, each using several different seismometers and different gain levels. For some explosions, more than twenty different channels of data are available. A first data release, in 2001, contained numerous glitches and lacked many instrument responses, but could still be used for measuring accurate arrival times and for comparison of the strengths of different types of seismic waves. The project URL also links to our second major data release, for nuclear explosions in Eurasia recorded in Borovoye, in which the data have been deglitched, all instrument responses have been included, and recording systems are described in detail. This second dataset consists of more than 3700 waveforms (digital seismograms) from almost 500 nuclear explosions in Eurasia, many of them recorded at regional distances. It is important as a training set for the development and evaluation of seismological methods of discriminating between earthquakes and underground explosions, and can be used for assessment of three-dimensional models of the Earth’s interior structure.

  11. Cathode materials review

    SciTech Connect (OSTI)

    Daniel, Claus Mohanty, Debasish Li, Jianlin Wood, David L.

    2014-06-16

    The electrochemical potential of cathode materials defines the positive side of the terminal voltage of a battery. Traditionally, cathode materials are the energy-limiting or voltage-limiting electrode. One of the first electrochemical batteries, the voltaic pile invented by Alessandro Volta in 1800 (Phil. Trans. Roy. Soc. 90, 403-431) had a copper-zinc galvanic element with a terminal voltage of 0.76 V. Since then, the research community has increased capacity and voltage for primary (nonrechargeable) batteries and round-trip efficiency for secondary (rechargeable) batteries. Successful secondary batteries have been the lead-acid with a lead oxide cathode and a terminal voltage of 2.1 V and later the NiCd with a nickel(III) oxide-hydroxide cathode and a 1.2 V terminal voltage. The relatively low voltage of those aqueous systems and the low round-trip efficiency due to activation energies in the conversion reactions limited their use. In 1976, Wittingham (J. Electrochem. Soc., 123, 315) and Besenhard (J. Power Sources 1(3), 267) finally enabled highly reversible redox reactions by intercalation of lithium ions instead of by chemical conversion. In 1980, Goodenough and Mizushima (Mater. Res. Bull. 15, 783-789) demonstrated a high-energy and high-power LiCoO{sub 2} cathode, allowing for an increase of terminal voltage far beyond 3 V. Over the past four decades, the international research community has further developed cathode materials of many varieties. Current state-of-the-art cathodes demonstrate voltages beyond any known electrolyte stability window, bringing electrolyte research once again to the forefront of battery research.

  12. 2013 Estorm - Invited Paper - Cathode Materials Review

    SciTech Connect (OSTI)

    Daniel, Claus; Mohanty, Debasish; Li, Jianlin; Wood III, David L

    2014-01-01

    The electrochemical potential of cathode materials defines the positive side of the terminal voltage of a battery. Traditionally, cathode materials are the energy-limiting or voltage-limiting electrode. One of the first electrochemical batteries, the voltaic pile invented by Alessandro Volta in 1800 (Phil. Trans. Roy. Soc. 90, 403 431) had a copper-zinc galvanic element with a terminal voltage of 0.76 V. Since then, the research community has increased capacity and voltage for primary (nonrechargeable) batteries and round-trip efficiency for secondary (rechargeable) batteries. Successful secondary batteries have been the lead acid with a lead oxide cathode and a terminal voltage of 2.1 V and later the NiCd with a nickel(III) oxide hydroxide cathode and a 1.2 V terminal voltage. The relatively low voltage of those aqueous systems and the low round-trip efficiency due to activation energies in the conversion reactions limited their use. In 1976, Wittingham (J. Electrochem. Soc., 123, 315) and Besenhard (J Power Sources 1(3), 267) finally enabled highly reversible redox reactions by intercalation of lithium ions instead of by chemical conversion. In 1980, Goodenough and Mizushima (Mater. Res. Bull. 15, 783 789) demonstrated a high-energy and high-power LiCoO2 cathode, allowing for an increase of terminal voltage far beyond 3 V. Over the past four decades, the international research community has further developed cathode materials of many varieties. Current state-of-the-art cathodes demonstrate voltages beyond any known electrolyte stability window, bringing electrolyte research once again to the forefront of battery research.

  13. Recovery Efficiency, False Negative Rate, and Limit of Detection Performance of a Validated Macrofoam-Swab Sampling Method with Low Surface Concentrations of Two Bacillus anthracis Surrogates

    SciTech Connect (OSTI)

    Piepel, Gregory F.; Hutchison, Janine R.; Deatherage Kaiser, Brooke L; Amidan, Brett G.; Sydor, Michael A.; Barrett, Christopher A.

    2015-03-31

    The performance of a macrofoam-swab sampling method was evaluated using Bacillus anthracis Sterne (BAS) and Bacillus atrophaeus Nakamura (BG) spores applied at nine low target amounts (2-500 spores) to positive-control plates and test coupons (2 in. × 2 in.) of four surface materials (glass, stainless steel, vinyl tile, and plastic). Test results from cultured samples were used to evaluate the effects of surrogate, surface concentration, and surface material on recovery efficiency (RE), false negative rate (FNR), and limit of detection. For RE, surrogate and surface material had statistically significant effects, but concentration did not. Mean REs were the lowest for vinyl tile (50.8% with BAS, 40.2% with BG) and the highest for glass (92.8% with BAS, 71.4% with BG). FNR values ranged from 0 to 0.833 for BAS and 0 to 0.806 for BG, with values increasing as concentration decreased in the range tested (0.078 to 19.375 CFU/cm2, where CFU denotes ‘colony forming units’). Surface material also had a statistically significant effect. A FNR-concentration curve was fit for each combination of surrogate and surface material. For both surrogates, the FNR curves tended to be the lowest for glass and highest for vinyl title. The FNR curves for BG tended to be higher than for BAS at lower concentrations, especially for glass. Results using a modified Rapid Viability-Polymerase Chain Reaction (mRV-PCR) analysis method were also obtained. The mRV-PCR results and comparisons to the culture results will be discussed in a subsequent report.

  14. Automated Pre-processing for NMR Assignments with Reduced Tedium

    Energy Science and Technology Software Center (OSTI)

    2004-05-11

    An important rate-limiting step in the reasonance asignment process is accurate identification of resonance peaks in MNR spectra. NMR spectra are noisy. Hence, automatic peak-picking programs must navigate between the Scylla of reliable but incomplete picking, and the Charybdis of noisy but complete picking. Each of these extremes complicates the assignment process: incomplete peak-picking results in the loss of essential connectivities, while noisy picking conceals the true connectivities under a combinatiorial explosion of false positives.more » Intermediate processing can simplify the assignment process by preferentially removing false peaks from noisy peak lists. This is accomplished by requiring consensus between multiple NMR experiments, exploiting a priori information about NMR spectra, and drawing on empirical statistical distributions of chemical shift extracted from the BioMagResBank. Experienced NMR practitioners currently apply many of these techniques "by hand", which is tedious, and may appear arbitrary to the novice. To increase efficiency, we have created a systematic and automated approach to this process, known as APART. Automated pre-processing has three main advantages: reduced tedium, standardization, and pedagogy. In the hands of experienced spectroscopists, the main advantage is reduced tedium (a rapid increase in the ratio of true peaks to false peaks with minimal effort). When a project is passed from hand to hand, the main advantage is standardization. APART automatically documents the peak filtering process by archiving its original recommendations, the accompanying justifications, and whether a user accepted or overrode a given filtering recommendation. In the hands of a novice, this tool can reduce the stumbling block of learning to differentiate between real peaks and noise, by providing real-time examples of how such decisions are made.« less

  15. Comparison of formulas for resonant interactions between energetic electrons and oblique whistler-mode waves

    SciTech Connect (OSTI)

    Li, Jinxing; Bortnik, Jacob; Thorne, Richard M.; Xie, Lun Pu, Zuyin; Fu, Suiyan; Guo, Ruilong; Chen, Lunjin; Ni, Binbin; Tao, Xin; Yao, Zhonghua

    2015-05-15

    Test particle simulation is a useful method for studying both linear and nonlinear wave-particle interactions in the magnetosphere. The gyro-averaged equations of particle motion for first-order and other cyclotron harmonic resonances with oblique whistler-mode waves were first derived by Bell [J. Geophys. Res. 89, 905 (1984)] and the most recent relativistic form was given by Ginet and Albert [Phys. Fluids B 3, 2994 (1991)], and Bortnik [Ph.D. thesis (Stanford University, 2004), p. 40]. However, recently we found there was a (?1){sup l?1} term difference between their formulas of perpendicular motion for the lth-order resonance. This article presents the detailed derivation process of the generalized resonance formulas, and suggests a check of the signs for self-consistency, which is independent of the choice of conventions, that is, the energy variation equation resulting from the momentum equations should not contain any wave magnetic components, simply because the magnetic field does not contribute to changes of particle energy. In addition, we show that the wave centripetal force, which was considered small and was neglect in previous studies of nonlinear interactions, has a profound time derivative and can significantly enhance electron phase trapping especially in high frequency waves. This force can also bounce the low pitch angle particles out of the loss cone. We justify both the sign problem and the missing wave centripetal force by demonstrating wave-particle interaction examples, and comparing the gyro-averaged particle motion to the full particle motion under the Lorentz force.

  16. NSRD-06. Computational Capability to Substantiate DOE-HDBK-3010 Data

    SciTech Connect (OSTI)

    Louie, David L.Y.; Brown, Alexander L.

    2015-12-01

    Safety basis analysts throughout the U.S. Department of Energy (DOE) complex rely heavily on the information provided in the DOE Hand book, DOE-HDBK-3010, Airborne Release Fractions/Rates and Resp irable Fractions for Nonreactor Nuclear Facilities , to determine source terms. In calcula ting source terms, analysts tend to use the DOE Handbook's bounding values on airbor ne release fractions (ARFs) and respirable fractions (RFs) for various cat egories of insults (representing potential accident release categories). This is typica lly due to both time constraints and the avoidance of regulatory critique. Unfort unately, these bounding ARFs/RFs represent extremely conservative values. Moreover, th ey were derived from very limited small- scale table-top and bench/labo ratory experiments and/or fr om engineered judgment. Thus the basis for the data may not be re presentative to the actual unique accident conditions and configura tions being evaluated. The goal of this res earch is to develop a more ac curate method to identify bounding values for the DOE Handbook using the st ate-of-art multi-physics-based high performance computer codes. This enable s us to better understand the fundamental physics and phenomena associated with the ty pes of accidents for the data described in it. This research has examined two of the DOE Handbook's liquid fire experiments to substantiate the airborne release frac tion data. We found th at additional physical phenomena (i.e., resuspension) need to be included to derive bounding values. For the specific cases of solid powder under pre ssurized condition and mechanical insult conditions the codes demonstrated that we can simulate the phenomena. This work thus provides a low-cost method to establis h physics-justified sa fety bounds by taking into account specific geometri es and conditions that may not have been previously measured and/or are too costly to do so.

  17. Thermal shallow water models of geostrophic turbulence in Jovian atmospheres

    SciTech Connect (OSTI)

    Warneford, Emma S. Dellar, Paul J.

    2014-01-15

    Conventional shallow water theory successfully reproduces many key features of the Jovian atmosphere: a mixture of coherent vortices and stable, large-scale, zonal jets whose amplitude decreases with distance from the equator. However, both freely decaying and forced-dissipative simulations of the shallow water equations in Jovian parameter regimes invariably yield retrograde equatorial jets, while Jupiter itself has a strong prograde equatorial jet. Simulations by Scott and Polvani [Equatorial superrotation in shallow atmospheres, Geophys. Res. Lett. 35, L24202 (2008)] have produced prograde equatorial jets through the addition of a model for radiative relaxation in the shallow water height equation. However, their model does not conserve mass or momentum in the active layer, and produces mid-latitude jets much weaker than the equatorial jet. We present the thermal shallow water equations as an alternative model for Jovian atmospheres. These equations permit horizontal variations in the thermodynamic properties of the fluid within the active layer. We incorporate a radiative relaxation term in the separate temperature equation, leaving the mass and momentum conservation equations untouched. Simulations of this model in the Jovian regime yield a strong prograde equatorial jet, and larger amplitude mid-latitude jets than the Scott and Polvani model. For both models, the slope of the non-zonal energy spectra is consistent with the classic Kolmogorov scaling, and the slope of the zonal energy spectra is consistent with the much steeper spectrum observed for Jupiter. We also perform simulations of the thermal shallow water equations for Neptunian parameter values, with a radiative relaxation time scale calculated for the same 25 mbar pressure level we used for Jupiter. These Neptunian simulations reproduce the broad, retrograde equatorial jet and prograde mid-latitude jets seen in observations. The much longer radiative time scale for the colder planet Neptune explains the transition from a prograde to a retrograde equatorial jet, while the broader jets are due to the deformation radius being a larger fraction of the planetary radius.

  18. Targeting glucosylceramide synthase induction of cell surface globotriaosylceramide (Gb3) in acquired cisplatin-resistance of lung cancer and malignant pleural mesothelioma cells

    SciTech Connect (OSTI)

    Tyler, Andreas; Johansson, Anders; Karlsson, Terese; Gudey, Shyam Kumar; Brännström, Thomas; Grankvist, Kjell; Behnam-Motlagh, Parviz

    2015-08-01

    Background: Acquired resistance to cisplatin treatment is a caveat when treating patients with non-small cell lung cancer (NSCLC) and malignant pleural mesothelioma (MPM). Ceramide increases in response to chemotherapy, leading to proliferation arrest and apoptosis. However, a tumour stress activation of glucosylceramide synthase (GCS) follows to eliminate ceramide by formation of glycosphingolipids (GSLs) such as globotriaosylceramide (Gb3), the functional receptor of verotoxin-1. Ceramide elimination enhances cell proliferation and apoptosis blockade, thus stimulating tumor progression. GSLs transactivate multidrug resistance 1/P-glycoprotein (MDR1) and multidrug resistance-associated protein 1 (MRP1) expression which further prevents ceramide accumulation and stimulates drug efflux. We investigated the expression of Gb3, MDR1 and MRP1 in NSCLC and MPM cells with acquired cisplatin resistance, and if GCS activity or MDR1 pump inhibitors would reduce their expression and reverse cisplatin-resistance. Methods: Cell surface expression of Gb3, MDR1 and MRP1 and intracellular expression of MDR1 and MRP1 was analyzed by flow cytometry and confocal microscopy on P31 MPM and H1299 NSCLC cells and subline cells with acquired cisplatin resistance. The effect of GCS inhibitor PPMP and MDR1 pump inhibitor cyclosporin A for 72 h on expression and cisplatin cytotoxicity was tested. Results: The cisplatin-resistant cells expressed increased cell surface Gb3. Cell surface Gb3 expression of resistant cells was annihilated by PPMP whereas cyclosporin A decreased Gb3 and MDR1 expression in H1299 cells. No decrease of MDR1 by PPMP was noted in using flow cytometry, whereas a decrease of MDR1 in H1299 and H1299res was indicated with confocal microscopy. No certain co-localization of Gb3 and MDR1 was noted. PPMP, but not cyclosporin A, potentiated cisplatin cytotoxicity in all cells. Conclusions: Cell surface Gb3 expression is a likely tumour biomarker for acquired cisplatin resistance of NSCLC and MPM cells. Tumour cell resistance to MDR1 inhibitors of cell surface MDR1 and Gb3 could explain the aggressiveness of NSCLC and MPM. Therapy with GCS activity inhibitors or toxin targeting of the Gb3 receptor may substantially reduce acquired cisplatin drug resistance of NSCLC and MPM cells. - Highlights: • The cisplatin-resistant cells had increased cell surface Gb3 and MDR1. • PPMP decreased extracellular Gb3 in the resistant cell lines. • Cyclosporin A decreased extracellular Gb3 and MDR1 in H1299 cells. • PPMP, but not cyclosporin A, potentiated cisplatin cytotoxicity in all cells. • Resistance to inhibitors of MDR1 and Gb3 could explain aggressiveness of NSCLC and MPM.

  19. Electron heating during magnetic reconnection: A simulation scaling study

    SciTech Connect (OSTI)

    Shay, M. A. Haggerty, C. C.; Phan, T. D.; Oieroset, M.; Drake, J. F.; Swisdak, M.; Cassak, P. A.; Wu, P.; Malakit, K.

    2014-12-15

    Electron bulk heating during magnetic reconnection with symmetric inflow conditions is examined using kinetic particle-in-cell simulations. Inflowing plasma parameters are varied over a wide range of conditions, and the increase in electron temperature is measured in the exhaust well downstream of the x-line. The degree of electron heating is well correlated with the inflowing Alfvn speed c{sub Ar} based on the reconnecting magnetic field through the relation ?T{sub e}=0.033?m{sub i}?c{sub Ar}{sup 2}, where ?T{sub e} is the increase in electron temperature. For the range of simulations performed, the heating shows almost no correlation with inflow total temperature T{sub tot}=T{sub i}+T{sub e} or plasma ?. An out-of-plane (guide) magnetic field of similar magnitude to the reconnecting field does not affect the total heating, but it does quench perpendicular heating, with almost all heating being in the parallel direction. These results are qualitatively consistent with a recent statistical survey of electron heating in the dayside magnetopause (Phan et al., Geophys. Res. Lett. 40, 4475, 2013), which also found that ?T{sub e} was proportional to the inflowing Alfvn speed. The net electron heating varies very little with distance downstream of the x-line. The simulations show at most a very weak dependence of electron heating on the ion to electron mass ratio. In the antiparallel reconnection case, the largely parallel heating is eventually isotropized downstream due a scattering mechanism, such as stochastic particle motion or instabilities. The simulation size is large enough to be directly relevant to reconnection in the Earth's magnetosphere, and the present findings may prove to be universal in nature with applications to the solar wind, the solar corona, and other astrophysical plasmas. The study highlights key properties that must be satisfied by an electron heating mechanism: (1) preferential heating in the parallel direction; (2) heating proportional to m{sub i}?c{sub Ar}{sup 2}; (3) at most a weak dependence on electron mass; and (4) an exhaust electron temperature that varies little with distance from the x-line.

  20. Acid-base behavior in hydrothermal processing of wastes. 1997 annual progress report

    SciTech Connect (OSTI)

    1997-01-01

    'A major obstacle to the development of hydrothermal technology for treating DOE wastes has been a lack of scientific knowledge of solution chemistry, thermodynamics and transport phenomena. The progress over the last year is highlighted in the following four abstracts from manuscripts which have been submitted to journals. The authors also have made considerable progress on a spectroscopic study of the acid-base equilibria of Cr(VI). They have utilized novel spectroscopic indicators to study acid-base equilibria up to 380 C. Until now, very few systems have been studied at such high temperatures, although this information is vital for hydrothermal processing of wastes. The pH values of aqueous solutions of boric acid and KOH were measured with the optical indicator 2-naphthol at temperatures from 300 to 380 C. The equilibrium constant Kb-l for the reaction B(OH)3 + OH{sup -} = B(OH){sup -4} was determined from the pH measurements and correlated with a modified Born model. The titration curve for the addition of HCl to sodium borate exhibits strong acid-strong base behavior even at 350 C and 24.1 MPa. At these conditions, aqueous solutions of sodium borate buffer the pH at 9.6 t 0.25. submitted to Ind. Eng. Chem. Res. Acetic Acid and HCl Acid-base titrations for the KOH-acetic acid or NH{sub 3} -acetic acid systems were monitored with the optical indicator 2-naphthoic acid at 350 C and 34 MPa, and those for the HCl;Cl- system with acridine at 380 C and up to 34 MPa (5,000 psia ). KOH remains a much stronger base than NH,OH at high temperature. From 298 K to the critical temperature of water, the dissociation constant for HCl decreases by 13 orders of magnitude, and thus, the basicity of Cl{sup -} becomes significant. Consequently, the addition of NaCl to HCl raises the pH. The pH titration curves may be predicted with reasonable accuracy from the relevant equilibrium constants and Pitzer''s formulation of the Debye- Htickel equation for the activity coefficients.'

  1. Visible light activated photocatalytic behaviour of rare earth modified commercial TiO{sub 2}

    SciTech Connect (OSTI)

    Tobaldi, D.M.; Seabra, M.P.; Labrincha, J.A.

    2014-02-01

    Highlights: RE gave more surface hydroxyl groups attached to the photocatalyst's surface. RE gave the modified and fired samples a high specific surface area. Photocatalytic activity was assessed in gassolid phase under visible-light exposure. Thermal treated RE-TiO{sub 2}s showed a superior visible-light photocatalytic activity. La-TiO{sub 2} was the best performing photocatalyst. - Abstract: A commercial TiO{sub 2} nanopowder, Degussa P25, was modified with several rare earth (RE) elements in order to extend its photocatalytic activity into the visible range. The mixtures were prepared via solid-state reaction of the precursor oxides, and thermally treated at high temperature (900 and 1000 C), with the aim of investigating the photocatalytic activity of the thermally treated samples. This thermal treatment was chosen for a prospective application as a surface layer in materials that need to be processed at high temperatures. The photocatalytic activity (PCA) of the samples was assessed in gassolid phase monitoring the degradation of isopropanol (IPA) under visible-light irradiation. Results showed that the addition of the REs lanthanum, europium and yttrium to TiO{sub 2} greatly improved its photocatalytic activity, despite the thermal treatment, because of the presence of more surface hydroxyl groups attached to the photocatalyst's surface, together with a higher specific surface area (SSA) of the modified and thermally treated samples, with regard to the unmodified and thermally treated Degussa P25. The samples doped with La, Eu and Y all had excellent PCA under visible-light irradiation, even higher than the untreated Degussa P25 reference sample, despite their thermal treatment at 900 C, with lanthanum producing the best results (i.e. the La-, Eu- and Y-TiO{sub 2} samples, thermally treated at 900 C, had, respectively, a PCA equal to 26, 27 and 18 ppm h{sup ?1} in terms of acetone formation versus 15 ppm h{sup ?1} for the 900 C thermally treated Degussa P25). On the other hand, CeTiO{sub 2}s had no significant photocatalytic activity.

  2. SU-E-T-183: Feasibility of Extreme Dose Escalation for Glioblastoma Multiforme Using 4? Radiotherapy

    SciTech Connect (OSTI)

    Nguyen, D; Rwigema, J; Yu, V; Kaprealian, T; Kupelian, P; Selch, M; Low, D; Sheng, K

    2014-06-01

    Purpose: GBM recurrence primarily occurs inside or near the high-dose radiation field of original tumor site requiring greater than 100 Gy to significantly improve local control. We utilize 4? non-coplanar radiotherapy to test the feasibility of planning target volume (PTV) margin expansions or extreme dose escalations without incurring additional radiation toxicities. Methods: 11 GBM patients treated with VMAT to a prescription dose of 59.4 Gy or 60 Gy were replanned with 4?. Original VMAT plans were created with 2 to 4 coplanar or non-coplanar arcs using 3 mm hi-res MLC. The 4? optimization, using 5 mm MLC, selected and inverse optimized 30 beams from a candidate pool of 1162 beams evenly distributed through 4? steradians. 4? plans were first compared to clinical plans using the same prescription dose. Two more studies were then performed to respectively escalate the GTV and PTV doses to 100 Gy, followed by a fourth plan expanding the PTV by 5 mm and maintaining the prescription dose. Results: The standard 4? plan significantly reduced (p<0.01) max and mean doses to critical structures by a range of 47.098.4% and 61.099.2%, respectively. The high dose PTV/high dose GTV/expanded PTV studies showed a reduction (p<0.05) or unchanged* (p>0.05) maximum dose of 72.1%/86.7%/77.1% (chiasm), 7.2%*/27.7%*/30.7% (brainstem), 39.8%*/84.2%/51.9%* (spinal cord), 69.0%/87.0%/66.9% (L eye), 76.2%/88.1%/84.1% (R eye), 95.0%/98.6%/97.5% (L lens), 93.9%/98.8%/97.6% (R lens), 74.3%/88.5%/72.4% (L optical nerve), 80.4%/91.3%/75.7% (R optical nerve), 64.8%/84.2%/44.9%* (L cochlea), and 85.2%/93.0%/78.0% (R cochlea), respectively. V30 and V36 for both brain and (brain - PTV) were reduced for all cases except the high dose PTV plan. PTV dose coverage increased for all 4? plans. Conclusion: Extreme dose escalation or further margin expansion is achievable using 4?, maintaining or reducing OAR doses. This study indicates that clinical trials employing 4? delivery using prescription doses up to 100 Gy are feasible. Funding support partially contributed by Varian.

  3. Final Technical Report. Results of Phases 2-5

    SciTech Connect (OSTI)

    Narang, David; Ayyanar, Raja; Gemin, Paul; Baggu, Murali; Srinivasan, Devarajan

    2015-02-27

    APS’s renewable energy portfolio, driven in part by Arizona’s Renewable Energy Standard (RES) currently includes more than 1100 MW of installed capacity, equating to roughly 3000 GWh of annual production. Overall renewable production is expected to grow to 6000 GWh by 2025. It is expected that distributed photovoltaics, driven primarily by lower cost, will contribute to much of this growth and that by 2025, distributed installations will account for half of all renewable production (3000GHW). As solar penetration increases, additional analysis may be required for routine utility processes to ensure continued safe and reliable operation of the electric distribution network. Such processes include residential or commercial interconnection requests and load shifting during normal feeder operations. Circuits with existing high solar penetration will also have to be studied and results will need to be evaluated for adherence to utility practices or strategy. Increased distributed PV penetration may offer benefits such as load offsetting, but it also has the potential to adversely impact distribution system operation. These effects may be exacerbated by the rapid variability of PV production. Detailed effects of these phenomena in distributed PV applications continue to be studied. Comprehensive, high-resolution electrical models of the distribution system were developed to analyze the impacts of PV on distribution circuit protection systems (including coordination and anti-islanding), predict voltage regulation and phase balance issues, and develop volt/VAr control schemes. Modeling methods were refined by validating against field measurements. To augment the field measurements, methods were developed to synthesize high resolution load and PV generation data to facilitate quasi-static time series simulations. The models were then extended to explore boundary conditions for PV hosting capability of the feeder and to simulate common utility practices such as feeder reconfiguration. The modeling and analysis methodology was implemented using open source tools and a process was developed to aid utility engineers in future interconnection requests. Methods to increase PV hosting capacity were also explored during the course of the study. A 700kVA grid-supportive inverter was deployed on the feeder and each grid support mode was demonstrated. Energy storage was explored through simulation and models were developed to calculate the optimum size and placement needed to increase PV hosting capacity. A tool was developed to aid planners in assigning relative costs and benefits to various strategies for increasing PV hosting capacity beyond current levels. Following the completion of the project, APS intends to use the tools and methods to improve the framework of future PV integration on its system. The tools and methods are also expected to aid other utilities to accelerate distributed PV deployment.

  4. Antihydrogen Trapped in the ALPHA Experiment

    ScienceCinema (OSTI)

    None

    2011-04-25

    In 2010 the ALPHA collaboration succeeded in trapping antihydrogen atoms for the first time.[i]  Stored antihydrogen promises to be a unique tool for making high precision measurements of the structure of this first anti-atom. Achieving this milestone presented several substantial experimental challenges and this talk will describe how they were overcome.   The unique design features of the ALPHA apparatus will be explained.[ii]  These allow a high intensity positron source and an antiproton imaging detector similar to the one used in the ATHENA[iii] experiment to be combined with an innovative magnet design of the anti-atom trap. This seeks to minimise the perturbations to trapped charged particles which may cause particle loss and heating[iv].   The diagnostic techniques used to measure the diameter, number, density, and temperatures of both plasmas will be presented as will the methods developed to actively compress and cool of both plasma species to sizes and temperatures [v],[vi], [vii] where trapping attempts with a reasonable chance of success can be tried.   The results of the successful trapping experiments will be outlined as well as some subsequent experiments to improve the trapping rate and storage time. [i] 'Trapped antihydrogen' G.B. Andresen et al., Nature 468, 673 (2010) [ii]'A Magnetic Trap for Antihydrogen Confinement' W. Bertsche et al., Nucl. Instr. Meth. Phys. Res. A566, 746 (2006) [iii] Production and detection of cold antihydrogen atoms M.Amoretti et al., Nature 419, 456 (2002). [iv]' Antihydrogen formation dynamics in a multipolar neutral anti-atom trap' G.B. Andresen et al., Phys. Lett. B 685, 141 (2010) [v]' Evaporative Cooling of Antiprotons to Cryogenic Temperatures',                                   G.B. Andresen et al. Phys. Rev. Lett 105, 013003 (2010) [vi]'Compression of Antiproton Clouds for Antihydrogen Trapping' G. B. Andresen et al. Phys. Rev. Lett 100, 203401 (2008) [vii]  'Autoresonant Excitation of Antiproton Plasmas' G.B. Andresen et al., Phys. Rev. Lett. 106, 025002 (2011) Organizer: Ferdinand Hahn PH/DT Detector Seminar webpage  

  5. How consistent are top-down hydrocarbon emissions based on formaldehyde observations from GOME-2 and OMI?

    SciTech Connect (OSTI)

    Stavrakou, T.; Muller, J. F.; Bauwens, M.; De Smedt, I.; Van Roozendael, M.; De Maziere, M.; Vigouroux, C.; Hendrick, F.; George, M.; Clerbaux, C.; Coheur, P-F; Guenther, Alex B.

    2015-10-26

    The vertical columns of formaldehyde (HCHO) retrieved from two satellite instruments, the Global Ozone Monitoring Instrument-2 (GOME-2) on Metop-A and the Ozone Monitoring Instrument (OMI) on Aura, are used to constrain global emissions of HCHO precursors from open fires, vegetation and human activities in the year 2010. To this end, the emissions are varied and optimized using the ad-joint model technique in the IMAGESv2 global CTM (chem-ical transport model) on a monthly basis and at the model res-olution. Given the different local overpass times of GOME- 2 (09:30 LT) and OMI (13:30 LT), the simulated diurnal cy-cle of HCHO columns is investigated and evaluated against ground-based optical measurements at seven sites in Europe, China and Africa. The modeled diurnal cycle exhibits large variability, reflecting competition between photochemistry and emission variations, with noon or early afternoon max-ima at remote locations (oceans) and in regions dominated by anthropogenic emissions, late afternoon or evening max-ima over fire scenes, and midday minima in isoprene-rich re-gions. The agreement between simulated and ground-based columns is generally better in summer (with a clear after-noon maximum at mid-latitude sites) than in winter, and the annually averaged ratio of afternoon to morning columns is slightly higher in the model (1.126) than in the ground-based measurements (1.043).The anthropogenic VOC (volatile organic compound) sources are found to be weakly constrained by the inversions on the global scale, mainly owing to their generally minor contribution to the HCHO columns, except over strongly pol-luted regions, like China. The OMI-based inversion yields total flux estimates over China close to the bottom-up inven-tory (24.6 vs. 25.5 TgVOC yr-1 in the a priori) with, how-ever, pronounced increases in the northeast of China and re-ductions in the south. Lower fluxes are estimated based on GOME-2 HCHO columns (20.6 TgVOC yr-1), in particular over the northeast, likely reflecting mismatches between the observed and the modeled diurnal cycle in this region.

  6. Surface structure determinations of ordered sulfur overlayers on Mo(100) and Re(0001) by low-energy electron diffraction intensity analysis

    SciTech Connect (OSTI)

    Jentz, D.W.

    1992-11-01

    A newly developed method for surface structure determination, tensor LEED, combined with automated search was used to analyze the structures. The ordered structures of S on Mo(100) which were studied formed a c(2 {times} 2), c(4 {times} 2), and p(2 {times} l) periodicities at coverages of 0.5, 0.75, 1.0 ML (monolayers, of one sulfur atom per one molybdenum atom) respectively. A MO{sub 2}S-like overlayer, which formed at coverages greater than 1.0 ML, is also discussed. Calculations for the c(2 {times} 2) structure gave a best fit geometry with S adsorbed in a four-fold symmetric hollow site and the second layer buckled by 0.09{Angstrom}. The S-Mo bond length is 2.45{Angstrom} and the Pendry R-factor is 0.21. Preliminary calculations for the c(4 {times} 2) structure did not yield an acceptable fit. The three models tried are discussed. Calculations for p(2 {times} l) data did not yield an acceptable geometry either. The types of models that were tried are discussed. Implications of this analysis are discussed along with results of a scanning tunneling microscopy (STM) investigation. The ordered structures on the RE(0001) surface studied have p(2 {times} 2) and (2{radical}3 {times} 2{radical}3)R30{degree} periodicities and occurred at S coverages of 0.25 and 0.5 ML respectively. Best fit structure for p(2 {times} 2) structure has S adsorbed in a three-fold hollow hcp site and exhibits a buckling of the first and second Re layers. The first layer is buckled by 0.05{Angstrom} and the second layer is buckled by 0.06{Angstrom}. Re-S bond length is 2.32{Angstrom} and Pendry R-factor is 0.21. Preliminary results of dynamical LEED investigation of (2{radical}3 {times} 2{radical}3)R30{degree} structure show reasonable agreement with a model with a 6-S atom basis.

  7. Decentralised optimisation of cogeneration in virtual power plants

    SciTech Connect (OSTI)

    Wille-Haussmann, Bernhard; Erge, Thomas; Wittwer, Christof

    2010-04-15

    Within several projects we investigated grid structures and management strategies for active grids with high penetration of renewable energy resources and distributed generation (RES and DG). Those ''smart grids'' should be designed and managed by model based methods, which are elaborated within these projects. Cogeneration plants (CHP) can reduce the greenhouse gas emissions by locally producing heat and electricity. The integration of thermal storage devices is suitable to get more flexibility for the cogeneration operation. If several power plants are bound to centrally managed clusters, it is called ''virtual power plant''. To operate smart grids optimally, new optimisation and model reduction techniques are necessary to get rid with the complexity. There is a great potential for the optimised management of CHPs, which is not yet used. Due to the fact that electrical and thermal demands do not occur simultaneously, a thermally driven CHP cannot supply electrical peak loads when needed. With the usage of thermal storage systems it is possible to decouple electric and thermal production. We developed an optimisation method based on mixed integer linear programming (MILP) for the management of local heat supply systems with CHPs, heating boilers and thermal storages. The algorithm allows the production of thermal and electric energy with a maximal benefit. In addition to fuel and maintenance costs it is assumed that the produced electricity of the CHP is sold at dynamic prices. This developed optimisation algorithm was used for an existing local heat system with 5 CHP units of the same type. An analysis of the potential showed that about 10% increase in benefit is possible compared to a typical thermally driven CHP system under current German boundary conditions. The quality of the optimisation result depends on an accurate prognosis of the thermal load which is realised with an empiric formula fitted with measured data by a multiple regression method. The key functionality of a virtual power plant is to increase the value of the produced power by clustering different plants. The first step of the optimisation concerns the local operation of the individual power generator, the second step is to calculate the contribution to the virtual power plant. With small extensions the suggested MILP algorithm can be used for an overall EEX (European Energy Exchange) optimised management of clustered CHP systems in form of the virtual power plant. This algorithm has been used to control cogeneration plants within a distribution grid. (author)

  8. Characteristics of miniature electronic brachytherapy x-ray sources based on TG-43U1 formalism using Monte Carlo simulation techniques

    SciTech Connect (OSTI)

    Safigholi, Habib; Faghihi, Reza; Jashni, Somaye Karimi; Meigooni, Ali S.

    2012-04-15

    Purpose: The goal of this study is to determine a method for Monte Carlo (MC) characterization of the miniature electronic brachytherapy x-ray sources (MEBXS) and to set dosimetric parameters according to TG-43U1 formalism. TG-43U1 parameters were used to get optimal designs of MEBXS. Parameters that affect the dose distribution such as anode shapes, target thickness, target angles, and electron beam source characteristics were evaluated. Optimized MEBXS designs were obtained and used to determine radial dose functions and 2D anisotropy functions in the electron energy range of 25-80 keV. Methods: Tungsten anode material was considered in two different geometries, hemispherical and conical-hemisphere. These configurations were analyzed by the 4C MC code with several different optimization techniques. The first optimization compared target thickness layers versus electron energy. These optimized thicknesses were compared with published results by Ihsan et al.[Nucl. Instrum. Methods Phys. Res. B 264, 371-377 (2007)]. The second optimization evaluated electron source characteristics by changing the cathode shapes and electron energies. Electron sources studied included; (1) point sources, (2) uniform cylinders, and (3) nonuniform cylindrical shell geometries. The third optimization was used to assess the apex angle of the conical-hemisphere target. The goal of these optimizations was to produce 2D-dose anisotropy functions closer to unity. An overall optimized MEBXS was developed from this analysis. The results obtained from this model were compared to known characteristics of HDR {sup 125}I, LDR {sup 103}Pd, and Xoft Axxent electronic brachytherapy source (XAEBS) [Med. Phys. 33, 4020-4032 (2006)]. Results: The optimized anode thicknesses as a function of electron energy is fitted by the linear equation Y ({mu}m) = 0.0459X (keV)-0.7342. The optimized electron source geometry is obtained for a disk-shaped parallel beam (uniform cylinder) with 0.9 mm radius. The TG-43 distribution is less sensitive to the shape of the conical-hemisphere anode than the hemispherical anode. However, the optimized apex angle of conical-hemisphere anode was determined to be 60 deg. For the hemispherical targets, calculated radial dose function values at a distance of 5 cm were 0.137, 0.191, 0.247, and 0.331 for 40, 50, 60, and 80 keV electrons, respectively. These values for the conical-hemisphere targets are 0.165, 0.239, 0.305, and 0.412, respectively. Calculated 2D anisotropy functions values for the hemispherical target shape were F(1 cm, 0 deg.) = 1.438 and F(1 cm, 0 deg.) = 1.465 for 30 and 80 keV electrons, respectively. The corresponding values for conical-hemisphere targets are 1.091 and 1.241, respectively. Conclusions: A method for the characterizations of MEBXS using TG-43U1 dosimetric data using the MC MCNP4C has been presented. The effects of target geometry, thicknesses, and electron source geometry have been investigated. The final choices of MEBXS design are conical-hemisphere target shapes having an apex angle of 60 deg. Tungsten material having an optimized thickness versus electron energy and a 0.9 mm radius of uniform cylinder as a cathode produces optimal electron source characteristics.

  9. CO2 Capture Project-An Integrated, Collaborative Technology Development Project for Next Generation CO2 Separation, Capture and Geologic Sequestration

    SciTech Connect (OSTI)

    Helen Kerr; Linda M. Curran

    2005-04-15

    The CO{sub 2} Capture Project (CCP) was a joint industry project, funded by eight energy companies (BP, ChevronTexaco, EnCana, ENI, Norsk Hydro, Shell, Statoil, and Suncor) and three government agencies (European Union [DG RES & DG TREN], the Norwegian Research Council [Klimatek Program] and the U.S. Department of Energy [NETL]). The project objective was to develop new technologies that could reduce the cost of CO{sub 2} capture and geologic storage by 50% for retrofit to existing plants and 75% for new-build plants. Technologies were to be developed to ''proof of concept'' stage by the end of 2003. Certain promising technology areas were increased in scope and the studies extended through 2004. The project budget was approximately $26.4 million over 4 years and the work program is divided into eight major activity areas: Baseline Design and Cost Estimation--defined the uncontrolled emissions from each facility and estimate the cost of abatement in $/tonne CO{sub 2}. Capture Technology, Post Combustion: technologies, which can remove CO{sub 2} from exhaust gases after combustion. Capture Technology, Oxyfuel: where oxygen is separated from the air and then burned with hydrocarbons to produce an exhaust with high CO{sub 2} for storage. Capture Technology, Pre-Combustion: in which, natural gas and petroleum cokes are converted to hydrogen and CO{sub 2} in a reformer/gasifier. Common Economic Model/Technology Screening: analysis and evaluation of each technology applied to the scenarios to provide meaningful and consistent comparison. New Technology Cost Estimation: on a consistent basis with the baseline above, to demonstrate cost reductions. Geologic Storage, Monitoring and Verification (SMV): providing assurance that CO{sub 2} can be safely stored in geologic formations over the long term. Non-Technical: project management, communication of results and a review of current policies and incentives governing CO{sub 2} capture and storage. Pre-combustion De-carbonization (hydrogen fuel) technologies showed excellent results and may be able to meet the CCP's aggressive cost reduction targets for new-build plants. Chemical looping to produce oxygen for oxyfuel combustion shows real promise. Post-combustion technologies emerged as higher cost options that may only have niche roles. Storage, measurement, and verification studies suggest that geologic sequestration will be a safe form of long-term CO{sub 2} storage. Economic modeling shows that options to reduce costs by 50% exist. A rigorous methodology for technology evaluation was developed. Public acceptance and awareness were enhanced through extensive communication of results to the stakeholder community (scientific, NGO, policy, and general public). Two volumes of results have been published and are available to all. Well over 150 technical papers were produced. All funded studies for this phase of the CCP are complete. The results are summarized in this report and all final reports are presented in the attached appendices.

  10. CO2 CAPTURE PROJECT-AN INTEGRATED, COLLABORATIVE TECHNOLOGY DEVELOPMENT PROJECT FOR NEXT GENERATION CO2 SEPARATION, CAPTURE AND GEOLOGIC SEQUESTRATION

    SciTech Connect (OSTI)

    Helen Kerr

    2004-04-01

    The CO{sub 2} Capture Project (CCP) is a joint industry project, funded by eight energy companies (BP, ChevronTexaco, EnCana, Eni, Norsk Hydro, Shell, Statoil, and Suncor) and three government agencies (European Union (DG Res & DG Tren), Norway (Klimatek) and the U.S.A. (Department of Energy)). The project objective is to develop new technologies, which could reduce the cost of CO{sub 2} capture and geologic storage by 50% for retrofit to existing plants and 75% for new-build plants. Technologies are to be developed to ''proof of concept'' stage by the end of 2003. The project budget is approximately $24 million over 3 years and the work program is divided into eight major activity areas: (1) Baseline Design and Cost Estimation--defined the uncontrolled emissions from each facility and estimate the cost of abatement in $/tonne CO{sub 2}. (2) Capture Technology, Post Combustion--technologies, which can remove CO{sub 2} from exhaust gases after combustion. (3) Capture Technology, Oxyfuel--where oxygen is separated from the air and then burned with hydrocarbons to produce an exhaust with wet high concentrations of CO{sub 2} for storage. (4) Capture Technology, Pre-Combustion--in which, natural gas and petroleum coke are converted to hydrogen and CO{sub 2} in a reformer/gasifier. (5) Common Economic Model/Technology Screening--analysis and evaluation of each technology applied to the scenarios to provide meaningful and consistent comparison. (6) New Technology Cost Estimation: on a consistent basis with the baseline above, to demonstrate cost reductions. (7) Geologic Storage, Monitoring and Verification (SMV)--providing assurance that CO{sub 2} can be safely stored in geologic formations over the long term. (8) Non-Technical: project management, communication of results and a review of current policies and incentives governing CO{sub 2} capture and storage. Technology development work dominated the past six months of the project. Numerous studies have completed their 2003 stagegate review and are reported here. Some will proceed to the next stagegate review in 2004. Some technologies are emerging as preferred over others. Pre-combustion De-carbonization (hydrogen fuel) technologies are showing excellent results and may be able to meet the CCP's aggressive cost reduction targets for new-build plants. The workscopes planned for the next key stagegates are under review before work begins based on the current economic assessment of their performance. Chemical looping to produce oxygen for oxyfuel combustion shows real promise. As expected, post-combustion technologies are emerging as higher cost options but even so some significant potential reductions in cost have been identified and will continue to be explored. Storage, measurement, and verification studies are moving rapidly forward and suggest that geologic sequestration can be a safe form of long-term CO{sub 2} storage. Hyper-spectral geo-botanical measurements may be an inexpensive and non-intrusive method for long-term monitoring. Modeling studies suggest that primary leakage routes from CO{sub 2} storage sites may be along old wellbores in areas disturbed by earlier oil and gas operations. This is good news because old wells are usually mapped and can be repaired during the site preparation process. Wells are also easy to monitor and intervention is possible if needed. The project will continue to evaluate and bring in novel studies and ideas within the project scope as requested by the DOE. The results to date are summarized in the attached report and presented in detail in the attached appendices.

  11. CO2 CAPTURE PROJECT - AN INTEGRATED, COLLABORATIVE TECHNOLOGY DEVELOPMENT PROJECT FOR NEXT GENERATION CO2 SEPARATION, CAPTURE AND GEOLOGIC SEQUESTRATION

    SciTech Connect (OSTI)

    Dr. Helen Kerr

    2003-08-01

    The CO{sub 2} Capture Project (CCP) is a joint industry project, funded by eight energy companies (BP, ChevronTexaco, EnCana, Eni, Norsk Hydro, Shell, Statoil, and Suncor) and three government agencies (1) European Union (DG Res & DG Tren), (2) Norway (Klimatek) and (3) the U.S.A. (Department of Energy). The project objective is to develop new technologies, which could reduce the cost of CO{sub 2} capture and geologic storage by 50% for retrofit to existing plants and 75% for new-build plants. Technologies are to be developed to ''proof of concept'' stage by the end of 2003. The project budget is approximately $24 million over 3 years and the work program is divided into eight major activity areas: (1) Baseline Design and Cost Estimation--defined the uncontrolled emissions from each facility and estimate the cost of abatement in $/tonne CO{sub 2}. (2) Capture Technology, Post Combustion: technologies, which can remove CO{sub 2} from exhaust gases after combustion. (3) Capture Technology, Oxyfuel: where oxygen is separated from the air and then burned with hydrocarbons to produce an exhaust with high CO{sub 2} for storage. (4) Capture Technology, Pre -Combustion: in which, natural gas and petroleum coke are converted to hydrogen and CO{sub 2} in a reformer/gasifier. (5) Common Economic Model/Technology Screening: analysis and evaluation of each technology applied to the scenarios to provide meaningful and consistent comparison. (6) New Technology Cost Estimation: on a consistent basis with the baseline above, to demonstrate cost reductions. (7) Geologic Storage, Monitoring and Verification (SMV): providing assurance that CO{sub 2} can be safely stored in geologic formations over the long term. (8) Non-Technical: project management, communication of results and a review of current policies and incentives governing CO{sub 2} capture and storage. Technology development work dominated the past six months of the project. Numerous studies are making substantial progress towards their goals. Some technologies are emerging as preferred over others. Pre-combustion Decarbonization (hydrogen fuel) technologies are showing good progress and may be able to meet the CCP's aggressive cost reduction targets for new-build plants. Chemical looping to produce oxygen for oxyfuel combustion shows real promise. As expected, post-combustion technologies are emerging as higher cost options that may have niche roles. Storage, measurement, and verification studies are moving rapidly forward. Hyper-spectral geo-botanical measurements may be an inexpensive and non-intrusive method for long-term monitoring. Modeling studies suggest that primary leakage routes from CO{sub 2} storage sites may be along wellbores in areas disturbed by earlier oil and gas operations. This is good news because old wells are usually mapped and can be repaired during the site preparation process. Many studies are nearing completion or have been completed. Their preliminary results are summarized in the attached report and presented in detail in the attached appendices.

  12. Parameterizations of Cloud Microphysics and Indirect Aerosol Effects

    SciTech Connect (OSTI)

    Tao, Wei-Kuo

    2014-05-19

    1. OVERVIEW Aerosols and especially their effect on clouds are one of the key components of the climate system and the hydrological cycle [Ramanathan et al., 2001]. Yet, the aerosol effect on clouds remains largely unknown and the processes involved not well understood. A recent report published by the National Academy of Science states "The greatest uncertainty about the aerosol climate forcing - indeed, the largest of all the uncertainties about global climate forcing - is probably the indirect effect of aerosols on clouds [NRC, 2001]." The aerosol effect on clouds is often categorized into the traditional "first indirect (i.e., Twomey)" effect on the cloud droplet sizes for a constant liquid water path [Twomey, 1977] and the "semi-direct" effect on cloud coverage [e.g., Ackerman et al., 2000]. Enhanced aerosol concentrations can also suppress warm rain processes by producing a narrow droplet spectrum that inhibits collision and coalescence processes [e.g., Squires and Twomey, 1961; Warner and Twomey, 1967; Warner, 1968; Rosenfeld, 1999]. The aerosol effect on precipitation processes, also known as the second type of aerosol indirect effect [Albrecht, 1989], is even more complex, especially for mixed-phase convective clouds. Table 1 summarizes the key observational studies identifying the microphysical properties, cloud characteristics, thermodynamics and dynamics associated with cloud systems from high-aerosol continental environments. For example, atmospheric aerosol concentrations can influence cloud droplet size distributions, warm-rain process, cold-rain process, cloud-top height, the depth of the mixed phase region, and occurrence of lightning. In addition, high aerosol concentrations in urban environments could affect precipitation variability by providing an enhanced source of cloud condensation nuclei (CCN). Hypotheses have been developed to explain the effect of urban regions on convection and precipitation [van den Heever and Cotton, 2007 and Shepherd, 2005]. Recently, a detailed spectral-bin microphysical scheme was implemented into the Goddard Cumulus Ensemble (GCE) model. Atmospheric aerosols are also described using number density size-distribution functions. A spectral-bin microphysical model is very expensive from a computational point of view and has only been implemented into the 2D version of the GCE at the present time. The model is tested by studying the evolution of deep tropical clouds in the west Pacific warm pool region and summertime convection over a mid-latitude continent with different concentrations of CCN: a low "clean" concentration and a high "dirty" concentration. The impact of atmospheric aerosol concentration on cloud and precipitation will be investigated. 2. MODEL DESCRIPTION AND CASE STUDIES 2.1 GCE MODEL The model used in this study is the 2D version of the GCE model. Modeled flow is anelastic. Second- or higher-order advection schemes can produce negative values in the solution. Thus, a Multi-dimensional Positive Definite Advection Transport Algorithm (MPDATA) has been implemented into the model. All scalar variables (potential temperature, water vapor, turbulent coefficient and all five hydrometeor classes) use forward time differencing and the MPDATA for advection. Dynamic variables, u, v and w, use a second-order accurate advection scheme and a leapfrog time integration (kinetic energy semi-conserving method). Short-wave (solar) and long-wave radiation as well as a subgrid-scale TKE turbulence scheme are also included in the model. Details of the model can be found in Tao and Simpson (1993) and Tao et al. (2003). 2.2 Microphysics (Bin Model) The formulation of the explicit spectral-bin microphysical processes is based on solving stochastic kinetic equations for the size distribution functions of water droplets (cloud droplets and raindrops), and six types of ice particles: pristine ice crystals (columnar and plate-like), snow (dendrites and aggregates), graupel and frozen drops/hail. Each type is described by a special size distribution function containing 33 categories (bins). Atmospheric aerosols are also described using number density size-distribution functions (containing 33 bins). Droplet nucleation (activation) is derived from the analytical calculation of super-saturation, which is used to determine the sizes of aerosol particles to be activated and the corresponding sizes of nucleated droplets. Primary nucleation of each type of ice crystal takes place within certain temperature ranges. A detailed description of these explicitly parameterized processes can be found in Khain and Sednev (1996) and Khain et al. (1999, 2001). 2.3 Case Studies Three cases, a tropical oceanic squall system observed during TOGA COARE (Tropical Ocean and Global Atmosphere Coupled Ocean-Atmosphere Response Experiment, which occurred over the Pacific Ocean warm pool from November 1992 to February 1993), a midlatitude continental squall system observed during PRESTORM (Preliminary Regional Experiment for STORM-Central, which occurred in Kansas and Oklahoma during May-June 1985), and mid-afternoon convection observed during CRYSTAL-FACE (Cirrus Regional Study of Tropical Anvils and Cirrus Layers – Florida Area Cumulus Experiment, which occurred in Florida during July 2002), will be used to examine the impact of aerosols on deep, precipitating systems. 3. SUMMARY of RESULTS • For all three cases, higher CCN produces smaller cloud droplets and a narrower spectrum. Dirty conditions delay rain formation, increase latent heat release above the freezing level, and enhance vertical velocities at higher altitude for all cases. Stronger updrafts, deeper mixed-phase regions, and more ice particles are simulated with higher CCN in good agreement with observations. • In all cases, rain reaches the ground early with lower CCN. Rain suppression is also evident in all three cases with high CCN in good agreement with observations (Rosenfeld, 1999, 2000 and others). Rain suppression, however, only occurs during the first hour of simulation. This result suggests that microphysical processes dominate the impact of aerosols on precipitation in the early stage of precipitation development. • During the mature stage of the simulations, the effect of increasing aerosol concentration ranges from rain suppression in the PRESTORM case to little effect on surface rainfall in the CRYSTAL-FACE case to rain enhancement in the TOGA COARE case. • The model results suggest that evaporative cooling is a key process in determining whether higher CCN reduces or enhances precipitation. Cold pool strength can be enhanced by stronger evaporation. When cold pool interacts with the near surface wind shear, the low-level convergence can be stronger, facilitating secondary cloud formation and more vigorous precipitation processes. Evaporative cooling is more than two times stronger at low levels with higher CCN for the TOGA COARE case during the early stages of precipitation development. However, evaporative cooling is slightly stronger at lower levels with lower CCN for the PRESTORM case. The early formation of rain in the clean environment could allow for the formation of an earlier and stronger cold pool compared to a dirty environment. PRESTORM has a very dry environment and both large and small rain droplets can evaporate. Consequently, the cold pool is relatively weaker, and the system is relatively less intense with higher CCN. • Sensitivity tests are conducted to determine the impact of ice processes on aerosol-precipitation interaction. The results suggested that ice processes are crucial for suppressing precipitation due to high CCN for the PRESTORM case. More and smaller ice particles are generated in the dirty case and transported to the trailing stratiform region. This reduces the heavy convective rain and contributes to the weakening of the cold pool. Warm rain processes dominate the TOGA COARE case. Therefore, ice processes only play a secondary role in terms of aerosol-precipitation interaction. • Two of the three cloud systems presented in this paper formed a line structure (squall system). A 2D simulation, therefore, gives a good approximation to such a line of convective clouds. Since the real atmosphere is 3D, further 3D cloud-resolving simulations are needed to address aerosol-precipitation interactions. 4. REFERENCES Tao, W.-K., X. Li, A. Khain, T. Matsui, S. Lang, and J. Simpson, 2007: The role of atmospheric aerosol concentration on deep convective precipitation: Cloud-resolving model simulations. J. Geophy. Res., 112, D24S18, doi:10.1029/2007JD008728. All other references can be found in above paper. 5. Acknowledgements The GCE model is mainly supported by the NASA Headquarters Atmospheric Dynamics and Thermodynamics Program and the NASA Tropical Rainfall Measuring Mission (TRMM). The research was also supported by the Office of Science (BER), U. S. Department of Energy/Atmospheric Radiation Measurement (DOE/ARM) Interagency. The authors acknowledge NASA Goddard Space Flight Center for computer time used in this research.