National Library of Energy BETA

Sample records for harmon electric assn

  1. Delta Montrose Electric Assn | Open Energy Information

    Open Energy Info (EERE)

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  2. Delta Electric Power Assn | Open Energy Information

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  3. Federated Rural Electric Assn | Open Energy Information

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  4. Highline Electric Assn | Open Energy Information

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  5. Kodiak Electric Assn Inc | Open Energy Information

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  6. Dixie Electric Power Assn | Open Energy Information

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  7. Twin County Electric Pwr Assn | Open Energy Information

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  8. Victory Electric Coop Assn Inc | Open Energy Information

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  9. La Plata Electric Assn, Inc | Open Energy Information

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  10. Niobrara Electric Assn, Inc (Nebraska) | Open Energy Information

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  11. Western Coop Electric Assn Inc | Open Energy Information

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  12. West River Electric Assn Inc | Open Energy Information

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  13. Chugach Electric Assn Inc | Open Energy Information

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  14. Kotzebue Electric Assn Inc | Open Energy Information

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  15. Harmon Electric Assn Inc | Open Energy Information

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

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  17. Tri-County Electric Coop Assn | Open Energy Information

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  18. Phases Energy Services County Electric Power Assn A N Electric...

    Open Energy Info (EERE)

    Alpena Power Co Altamaha Electric Member Corp Amana Society Service Co Ambit Energy L P Ambit Energy L P Maryland Ambit Energy L P New York Ameren Energy Marketing Ameren Energy...

  19. Empire Electric Assn, Inc (Utah) | Open Energy Information

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  20. LaCreek Electric Assn, Inc (Nebraska) | Open Energy Information

    Open Energy Info (EERE)

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  1. Lake Region Electric Assn, Inc | Open Energy Information

    Open Energy Info (EERE)

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  2. Federated Rural Electric Assn (Iowa) | Open Energy Information

    Open Energy Info (EERE)

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  3. Moon Lake Electric Assn Inc | Open Energy Information

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  4. Y-W Electric Assn Inc | Open Energy Information

    Open Energy Info (EERE)

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  5. Current Generated Harmonics and Their Effect Upon Electrical Industrial Systems 

    E-Print Network [OSTI]

    Alexander, H. R.; Rogge, D. S.

    1995-01-01

    This paper provides a general overview of harmonics and addresses the causes of current generated harmonics in electrical systems. In addition, problems caused by current generated harmonics and their affects upon different ...

  6. Second and Fourth Harmonic Frequencies in Electric Field-Induced Liquid Crystal Reorientations

    E-Print Network [OSTI]

    Wu, Shin-Tson

    Second and Fourth Harmonic Frequencies in Electric Field-Induced Liquid Crystal Reorientations of Central Florida, Orlando, Florida, USA The second and fourth harmonics of low frequency electric field-optical modulation; liquid crystal; second and fourth harmonics 1. INTRODUCTION Nematic liquid crystal (LC) has been

  7. Power Quality/Harmonic Detection: Harmonic Control in Electric Power Systems for the Telecommunications Industry 

    E-Print Network [OSTI]

    Felkner, L. J.; Waggoner, R. M.

    1993-01-01

    The control of harmonics in power systems continues to be a major concern in the telecommunications industry. AC/DC telecommunication conversion equipment has rarely been thought of as playing a major role in the harmonic interaction problem. Yet...

  8. Systematic Review and Harmonization of Life Cycle GHG Emission Estimates for Electricity Generation Technologies (Presentation)

    SciTech Connect (OSTI)

    Heath, G.

    2012-06-01

    This powerpoint presentation to be presented at the World Renewable Energy Forum on May 14, 2012, in Denver, CO, discusses systematic review and harmonization of life cycle GHG emission estimates for electricity generation technologies.

  9. Table 3. Top five retailers of electricity, with end use sectors...

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

    Electric Assn Inc","Cooperative",481573,179868,180983,120722,0 " ","Total sales, top five providers",,4668523,1593424,2066745,1008354,0 " ","Percent of total state...

  10. Flowell Electric Assn, Inc | Open Energy Information

    Open Energy Info (EERE)

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  11. Matanuska Electric Assn Inc | Open Energy Information

    Open Energy Info (EERE)

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  12. Kotzebue Electric Assn Inc | Open Energy Information

    Open Energy Info (EERE)

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  13. Pontotoc Electric Power Assn | Open Energy Information

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  14. Egyptian Electric Coop Assn | Open Energy Information

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  15. Empire Electric Assn, Inc | Open Energy Information

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  16. Coahoma Electric Power Assn | Open Energy Information

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  17. Coast Electric Power Assn | Open Energy Information

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  18. Benton Rural Electric Assn | Open Energy Information

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  19. Magnolia Electric Power Assn | Open Energy Information

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  20. Niobrara Electric Assn, Inc | Open Energy Information

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  1. FEM Electric Assn, Inc | Open Energy Information

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  2. Homer Electric Assn Inc | Open Energy Information

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  3. Runestone Electric Assn | Open Energy Information

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  4. South Central Electric Assn | Open Energy Information

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  5. Tippah Electric Power Assn | Open Energy Information

    Open Energy Info (EERE)

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  6. Umatilla Electric Coop Assn | Open Energy Information

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  7. Valley Electric Assn, Inc | Open Energy Information

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  8. Tombigbee Electric Power Assn | Open Energy Information

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  9. Intercounty Electric Coop Assn | Open Energy Information

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  10. Central Electric Power Assn | Open Energy Information

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  11. Intermountain Rural Elec Assn | Open Energy Information

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  12. Wave function for harmonically confined electrons in time-dependent electric and magnetostatic fields

    SciTech Connect (OSTI)

    Zhu, Hong-Ming; Chen, Jin-Wang; Pan, Xiao-Yin; Sahni, Viraht

    2014-01-14

    We derive via the interaction “representation” the many-body wave function for harmonically confined electrons in the presence of a magnetostatic field and perturbed by a spatially homogeneous time-dependent electric field—the Generalized Kohn Theorem (GKT) wave function. In the absence of the harmonic confinement – the uniform electron gas – the GKT wave function reduces to the Kohn Theorem wave function. Without the magnetostatic field, the GKT wave function is the Harmonic Potential Theorem wave function. We further prove the validity of the connection between the GKT wave function derived and the system in an accelerated frame of reference. Finally, we provide examples of the application of the GKT wave function.

  13. Second harmonic generation with plasmonic metasurfaces: direct comparison of electric and magnetic resonances

    E-Print Network [OSTI]

    Chandrasekar, Rohith; Lagutchev, Alexei; Shalaev, Vladimir M; Ciraci, Cristian; Smith, David R; Kildishev, Alexander V

    2015-01-01

    Plasmonic resonances in metallic nanostructures have been shown to drastically enhance local electromagnetic fields, and thereby increase the efficiency of nonlinear optical phenomena, such as second harmonic generation (SHG). While it has been experimentally observed that enhanced fields can significantly boost SHG, to date it proved difficult to probe electrical and magnetic resonances in one and the same nanostructure. This however is necessary to directly compare relative contributions of electrical and magnetic components of SHG enhancement. In this paper we report an experimental study of a metasurface capable of providing electrical and magnetic resonant SHG enhancement for TM polarization. Our metasurface could be engineered such that the peak frequencies of electrical and magnetic resonances could be adjusted independently. We used this feature to distinguish their relative contributions. Experimentally it was observed that the magnetic resonance provides only 50% as much enhancement to SHG as compar...

  14. Analysis, Dimensioning and Robust Control of Shunt Active Filter for Harmonic Currents Compensation in Electrical Mains

    E-Print Network [OSTI]

    Tilli, Andrea; Conficoni, Christian

    2011-01-01

    In this chapter some results related to Shunt Active Filters (SAFs) and obtained by the authors and some coauthors are reported. SAFs are complex power electronics equipments adopted to compensate for cur-rent harmonic pollution in electric mains, due to nonlinear loads. By using a proper "floating" capacitor as energy reservoir, the SAF purpose is to inject in the line grid currents canceling the polluting har-monics. Control algorithms play a key role for such devices and, in general, in many power electronics applications. Moreover, systems theory is crucial, since it is the mathematical tool that enables a deep understanding of the involved dynamics of such systems, allowing a correct dimensioning, beside an effective control. As a matter of facts, current injection objective can be straightforwardly formulated as an output tracking control problem. In this fashion, the structural and insidious marginally-stable internal/zero dynamics of SAFs can be immediately highlighted and characterized in terms of si...

  15. Life Cycle Greenhouse Gas Emissions of Coal-Fired Electricity Generation: Systematic Review and Harmonization

    SciTech Connect (OSTI)

    Whitaker, M.; Heath, G. A.; O'Donoughue, P.; Vorum, M.

    2012-04-01

    This systematic review and harmonization of life cycle assessments (LCAs) of utility-scale coal-fired electricity generation systems focuses on reducing variability and clarifying central tendencies in estimates of life cycle greenhouse gas (GHG) emissions. Screening 270 references for quality LCA methods, transparency, and completeness yielded 53 that reported 164 estimates of life cycle GHG emissions. These estimates for subcritical pulverized, integrated gasification combined cycle, fluidized bed, and supercritical pulverized coal combustion technologies vary from 675 to 1,689 grams CO{sub 2}-equivalent per kilowatt-hour (g CO{sub 2}-eq/kWh) (interquartile range [IQR]= 890-1,130 g CO{sub 2}-eq/kWh; median = 1,001) leading to confusion over reasonable estimates of life cycle GHG emissions from coal-fired electricity generation. By adjusting published estimates to common gross system boundaries and consistent values for key operational input parameters (most importantly, combustion carbon dioxide emission factor [CEF]), the meta-analytical process called harmonization clarifies the existing literature in ways useful for decision makers and analysts by significantly reducing the variability of estimates ({approx}53% in IQR magnitude) while maintaining a nearly constant central tendency ({approx}2.2% in median). Life cycle GHG emissions of a specific power plant depend on many factors and can differ from the generic estimates generated by the harmonization approach, but the tightness of distribution of harmonized estimates across several key coal combustion technologies implies, for some purposes, first-order estimates of life cycle GHG emissions could be based on knowledge of the technology type, coal mine emissions, thermal efficiency, and CEF alone without requiring full LCAs. Areas where new research is necessary to ensure accuracy are also discussed.

  16. 438 OPTICS LETTERS / Vol. 26, No. 7 / April 1, 2001 Electric-field-induced second-harmonic generation

    E-Print Network [OSTI]

    -harmonic generation is used to detect electric fields in a GaN UV Schottky photodiode and in a GaN light. The photocurrent generated by this technique is found to be less than 100 pA when the fundamental and second can permit SH generation through a third-order process called electric-field-induced second

  17. Monroe County Elec Power Assn | Open Energy Information

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  18. East Mississippi Elec Pwr Assn | Open Energy Information

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  19. Bridger Valley Elec Assn, Inc (Utah) | Open Energy Information

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  20. Osage Valley Elec Coop Assn | Open Energy Information

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  1. Panhandle Rural El Member Assn | Open Energy Information

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

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  3. Bailey County Elec Coop Assn | Open Energy Information

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  4. Wheatland Rural Elec Assn, Inc | Open Energy Information

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  5. Yampa Valley Electric Assn Inc (Wyoming) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEtGeorgia:Illinois:Wizard PowerWyandanch,Yamhill, Oregon: Energy

  6. Holy Cross Electric Assn, Inc | Open Energy Information

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    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas: Energy Resources JumpNew Jersey: EnergyHolly Springs,Nebraska:Holtville,

  7. Edgar Electric Co-op, Assn | Open Energy Information

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    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, AlabamaETEC GmbH Jump to:Providence, RhodeEcholsCryogenics LLC

  8. Charles Mix Electric Assn, Inc | Open Energy Information

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  9. Mid-South Electric Coop Assn | Open Energy Information

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  10. Moon Lake Electric Assn Inc (Utah) | Open Energy Information

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  11. San Isabel Electric Assn, Inc | Open Energy Information

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  12. Valley Electric Assn, Inc (Nevada) | Open Energy Information

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  13. Yampa Valley Electric Assn Inc | Open Energy Information

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  14. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales -

    Open Energy Info (EERE)

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  15. 4-County Electric Power Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EAand Dalton Jump to:Wylie,InformationSpeciesRegister2008 || Open2008

  16. La Plata Electric Assn, Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource History ViewInformation Actions(Redirected fromAvoidtools <

  17. LaCreek Electric Assn, Inc | Open Energy Information

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  18. Alger-Delta Coop Electric Assn | Open Energy Information

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  19. Y-W Electric Assn Inc (Nebraska) | Open Energy Information

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  20. Niobrara Electric Assn, Inc (South Dakota) | Open Energy Information

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  1. Tuntutuliak Comm Services Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (Utility Company) Jump to:Tucson Electric Power CoCleanTuntutuliak Comm

  2. Volume electric dipole origin of second-harmonic generation from metallic membrane with non-centrosymmetry patterns

    E-Print Network [OSTI]

    Zeng, Yong

    2009-01-01

    In this article, we analytically study second harmonic (SH) generation from thin metallic films with subwavelength, non-centrosymmetry patterns. Because the thickness of the film is much smaller than the SH wavelength, retardation effects are negligible. The far-field SH intensities are thus dominated by an effective electric dipole. These analytical observations are further justified numerically by studying the effect of polarization of the fundamental field on both the SH signal and the electric dipole. It is demonstrated that bulk SH polarization density is comparable with its surface counterpart. The electric dipole, consequently, originates from the entire {volume of the metallic membrane, in contrast to the fact that SH generation from metal surface is generally dominated by a surface dipole.

  3. More on Random Walks, Electrical Networks and the Harmonic k-Server Algorithm

    E-Print Network [OSTI]

    Bartal, Yair

    , Northridge, CA 91330. Research supported by NSF grant CCR-9988360. x Verity, Inc. 894 Ross Drive, Sunnyvale is that the cycle stretch factor of the harmonic random walk is at most 1 2 n(n 1), where the cycle stretch factor is de#12;ned as the maximum ratio between the cost of a random walk that visits nodes of a cycle (in

  4. More on Random Walks, Electrical Networks, and the Harmonic k-Server Algorithm

    E-Print Network [OSTI]

    Chrobak, Marek

    91330. Research supported by NSF grant CCR-9988360. x Verity, Inc. 894 Ross Drive, Sunnyvale, CA 94089 is that the cycle stretch factor of the harmonic random walk is at most 1 2 n(n 1), where the cycle stretch factor is de#12;ned as the maximum ratio between the cost of a random walk that visits the nodes of a cycle (in

  5. Life Cycle Greenhouse Gas Emissions of Nuclear Electricity Generation: Systematic Review and Harmonization

    Broader source: Energy.gov [DOE]

    As clean energy increasingly becomes part of the national dialogue, lenders, utilities, and lawmakers need the most comprehensive and accurate information on GHG emissions from various sources of energy to inform policy, planning, and investment decisions. The National Renewable Energy Laboratory (NREL) recently led the Life Cycle Assessment (LCA) Harmonization Project, a study that gives decision makers and investors more precise estimates of life cycle GHG emissions for renewable and conventional generation, clarifying inconsistent and conflicting estimates in the published literature, and reducing uncertainty.

  6. Life Cycle Greenhouse Gas Emissions of Crystalline Silicon Photovoltaic Electricity Generation: Systematic Review and Harmonization

    Broader source: Energy.gov [DOE]

    As clean energy increasingly becomes part of the national dialogue, lenders, utilities, and lawmakers need the most comprehensive and accurate information on GHG emissions from various sources of energy to inform policy, planning, and investment decisions. The National Renewable Energy Laboratory (NREL) recently led the Life Cycle Assessment (LCA) Harmonization Project, a study that gives decision makers and investors more precise estimates of life cycle GHG emissions for renewable and conventional generation, clarifying inconsistent and conflicting estimates in the published literature, and reducing uncertainty.

  7. Life Cycle Greenhouse Gas Emissions of Thin-film Photovoltaic Electricity Generation: Systematic Review and Harmonization

    Office of Energy Efficiency and Renewable Energy (EERE)

    As clean energy increasingly becomes part of the national dialogue, lenders, utilities, and lawmakers need the most comprehensive and accurate information on GHG emissions from various sources of energy to inform policy, planning, and investment decisions. The National Renewable Energy Laboratory (NREL) recently led the Life Cycle Assessment (LCA) Harmonization Project, a study that gives decision makers and investors more precise estimates of life cycle GHG emissions for renewable and conventional generation, clarifying inconsistent and conflicting estimates in the published literature, and reducing uncertainty.

  8. Life Cycle Greenhouse Gas Emissions of Coal-Fired Electricity Generation: Systematic Review and Harmonization

    Broader source: Energy.gov [DOE]

    As clean energy increasingly becomes part of the national dialogue, lenders, utilities, and lawmakers need the most comprehensive and accurate information on GHG emissions from various sources of energy to inform policy, planning, and investment decisions. The National Renewable Energy Laboratory (NREL) recently led the Life Cycle Assessment (LCA) Harmonization Project, a study that gives decision makers and investors more precise estimates of life cycle GHG emissions for renewable and conventional generation, clarifying inconsistent and conflicting estimates in the published literature, and reducing uncertainty.

  9. harmonic analysis

    E-Print Network [OSTI]

    $author.value

    Faculty. Faculty listing for "harmonic analysis". Search People: ... Research Interests: complex analysis, harmonic analysis, and partial differential equations

  10. Efforts to Harmonize Gas Pipeline Operations with the Demands of the Electricity Sector

    SciTech Connect (OSTI)

    Costello, Ken

    2006-12-15

    A possible future course of action is for pipelines to continue their efforts to provide new services with FERC approval. Over time, pipelines could satisfy power generators by giving them the flexibility and services they desire and for which they are willing to pay. Another possibility is that FERC will enact new rules governing regional electricity markets that would function similarly to nationwide business practices. (author)

  11. Phases Energy Services County Electric Power Assn A N Electric Coop Virginia

    Open Energy Info (EERE)

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  12. Phases Energy Services County Electric Power Assn A N Electric Coop Virginia

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc Jump to:Newberg,Energy LLC Jump to:3Perrysburg,Alpena Power Co AltamahaAlliant

  13. Life Cycle Greenhouse Gas Emissions of Trough and Tower Concentrating Solar Power Electricity Generation: Systematic Review and Harmonization

    Broader source: Energy.gov [DOE]

    As clean energy increasingly becomes part of the national dialogue, lenders, utilities, and lawmakers need the most comprehensive and accurate information on GHG emissions from various sources of energy to inform policy, planning, and investment decisions. The National Renewable Energy Laboratory (NREL) recently led the Life Cycle Assessment (LCA) Harmonization Project, a study that gives decision makers and investors more precise estimates of life cycle GHG emissions for renewable and conventional generation, clarifying inconsistent and conflicting estimates in the published literature, and reducing uncertainty.

  14. Caney Valley El Coop Assn, Inc | Open Energy Information

    Open Energy Info (EERE)

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  15. Meeker Coop Light & Power Assn | Open Energy Information

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  16. Mountain View Elec Assn, Inc | Open Energy Information

    Open Energy Info (EERE)

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  17. Golden Valley Elec Assn Inc | Open Energy Information

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  18. Goodhue County Coop Elec Assn | Open Energy Information

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  19. Lamar County Elec Coop Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar2-0057-EAInvervar HydroElectricColorado: Energy

  20. Southern Pine Elec Power Assn | Open Energy Information

    Open Energy Info (EERE)

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  1. Virginia Mun Elec Assn No 1 | Open Energy Information

    Open Energy Info (EERE)

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  2. South Mississippi El Pwr Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EA EIS ReportEurope GmbHSolo EnergySouthSouth Kentucky Rural Electric

  3. Second harmonic generation in the moving media

    E-Print Network [OSTI]

    Ghalandari, Mahboubeh

    2015-01-01

    Because of the importance of second harmonic generation in some nonlinear media, in this paper, we investigated induced second harmonic generation in diamond where there is no intrinsic second order susceptibility, X(2). The electric field is proposed to introduce moving susceptibility of the second order and induce second harmonic generation. Then, spatiotemporal (QPM) is applied to optimize the induced second harmonic generation. Numerical results reveals that in this way, the induced second harmonic is found at the frequency of omega (2) = 2 omega(0) + or - Delta omega rather than omega (0).

  4. Itasca-Mantrap Co-op Electrical Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar2-0057-EAInvervar Hydro Jump to: navigation,

  5. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - April

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EAand Dalton Jump to:Wylie,InformationSpeciesRegister ofSeptember 2008

  6. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - August

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EAand Dalton Jump to:Wylie,InformationSpeciesRegister ofSeptember

  7. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - December

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EAand Dalton Jump to:Wylie,InformationSpeciesRegister ofSeptember2008 |

  8. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - February

    Open Energy Info (EERE)

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  9. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - February

    Open Energy Info (EERE)

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  10. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - January

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EAand Dalton Jump to:Wylie,InformationSpeciesRegister2008 | Open Energy

  11. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - January

    Open Energy Info (EERE)

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  12. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - July

    Open Energy Info (EERE)

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  13. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - June

    Open Energy Info (EERE)

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  14. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - March

    Open Energy Info (EERE)

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  15. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - March

    Open Energy Info (EERE)

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  16. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - May 2008

    Open Energy Info (EERE)

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  17. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - November

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EAand Dalton Jump to:Wylie,InformationSpeciesRegister2008 || Open

  18. 4-County Electric Power Assn (Mississippi) EIA Revenue and Sales - October

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EAand Dalton Jump to:Wylie,InformationSpeciesRegister2008 || Open2008 |

  19. Harmonic engine

    DOE Patents [OSTI]

    Bennett, Charles L. (Livermore, CA)

    2009-10-20

    A high efficiency harmonic engine based on a resonantly reciprocating piston expander that extracts work from heat and pressurizes working fluid in a reciprocating piston compressor. The engine preferably includes harmonic oscillator valves capable of oscillating at a resonant frequency for controlling the flow of working fluid into and out of the expander, and also preferably includes a shunt line connecting an expansion chamber of the expander to a buffer chamber of the expander for minimizing pressure variations in the fluidic circuit of the engine. The engine is especially designed to operate with very high temperature input to the expander and very low temperature input to the compressor, to produce very high thermal conversion efficiency.

  20. Harmonic engine

    DOE Patents [OSTI]

    Bennett, Charles L.; Sewall, Noel; Boroa, Carl

    2014-08-19

    An engine based on a reciprocating piston engine that extracts work from pressurized working fluid. The engine includes a harmonic oscillator inlet valve capable of oscillating at a resonant frequency for controlling the flow of working fluid into of the engine. In particular, the inlet valve includes an inlet valve head and a spring arranged together as a harmonic oscillator so that the inlet valve head is moveable from an unbiased equilibrium position to a biased closed position occluding an inlet. Upon releasing the inlet valve the inlet valve head undergoes a single oscillation past the equilibrium positio to a maximum open position and returns to a biased return position close to the closed position to choke the flow and produce a pressure drop across the inlet valve causing the inlet valve to close. Protrusions carried either by the inlet valve head or piston head are used to bump open the inlet valve from the closed position and initiate the single oscillation of the inlet valve head, and protrusions carried either by the outlet valve head or piston head are used to close the outlet valve ahead of the bump opening of the inlet valve.

  1. Western Electricity Coordinating Council | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EA EISTJThinWarsaw, Poland:EnergyWeVirginiaElectric Assn Inc Jump to:Council

  2. IEEE IAS Annual Meeting, Oct. 6-10, 1996, San Diego, CA, pp. 2333-2339 Survey of Harmonics Measurements in Electrical Distribution Systems

    E-Print Network [OSTI]

    Tolbert, Leon M.

    ), variable frequency drives, switch mode power supplies, and uninterruptible power supplies. A discussion waveforms. However, variable frequency drives and uninterruptible power supplies which use electronic that appeared to have significant levels of harmonics present were analyzed with a power analyzer that could

  3. Wieland Electric GmbH | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (Utility Company)Idaho)VosslohWest PlainsAssn, IncEnergyWieland Electric

  4. Harmonic Oscillator Frank Rioux

    E-Print Network [OSTI]

    Rioux, Frank

    Harmonic Oscillator Frank Rioux Schrodinger's equation is integrated numerically for the first three energy states for the harmonic oscillator. The integration algorithm is taken from J. C. Hansen, J energy: = 0.5n. The calculations below show the virial theorem is satisfied for the harmonic

  5. Polynomial Harmonic Morphisms Martin Svensson

    E-Print Network [OSTI]

    Gudmundsson, Sigmundur

    Polynomial Harmonic Morphisms Martin Svensson Examensarbete, 20 poang Lunds Universitet November Chapter 2. Harmonic Maps 13 1. The Second Fundamental Form 13 2. Harmonic Maps 18 3. Harmonic Functions 25 Chapter 3. Harmonic Morphisms 29 1. Horizontal Conformality 29 2. Harmonic Morphisms 33 3. The Existence

  6. When is the product of two planar harmonic mappings harmonic?

    E-Print Network [OSTI]

    Mortini, Raymond

    When is the product of two planar harmonic mappings harmonic? Raymond Mortini Lecturas Matem´aticas Volumen 23 (2002), p´aginas 5­10 Abstract. We determine all complex-valued harmonic functions u and v defined on a planar domain for which uv, respectively u2 - v2 is harmonic Key words and phrases. Harmonic

  7. ELECTRIC

    Office of Legacy Management (LM)

    you nay give us will be greatly uppreckted. VPry truly your23, 9. IX. Sin0j3, Mtinager lclectronics and Nuclear Physics Dept. omh , WESTINGHOUSE-THE NAT KING IN ELECTRICITY...

  8. HARMONIC MORPHISMS BETWEEN RIEMANNIAN MANIFOLDS

    E-Print Network [OSTI]

    Gudmundsson, Sigmundur

    HARMONIC MORPHISMS BETWEEN RIEMANNIAN MANIFOLDS SIGMUNDUR GUDMUNDSSON AND MARTIN SVENSSON theory of harmonic morphisms between Riemannian manifolds. This research field has developed rapidly geometry a harmonic morphism is a map : (M, g) (N, h) between Riemannian manifolds with the property

  9. Electrodynamic spherical harmonic

    E-Print Network [OSTI]

    Andrey Novitsky

    2008-03-28

    Electrodynamic spherical harmonic is a second rank tensor in three-dimensional space. It allows to separate the radial and angle variables in vector solutions of Maxwell's equations. Using the orthonormalization for electrodynamic spherical harmonic, a boundary problem on a sphere can be easily solved.

  10. Lab 6: Forced Harmonic Motion Driven harmonic oscillation

    E-Print Network [OSTI]

    Gustafsson, Torgny

    Lab 6: Forced Harmonic Motion Driven harmonic oscillation Example: Atomic force microscope watch, circuit, ... #12;A constant energy flow at steady state ( )F t dF Rx= - 0oin ut PP + = #12;Forced harmonic t - = + #12;Forced harmonic oscillation (cont.) ( ) ( ) ( ) 0 2 2 0 cos 2 sin cos cosF m

  11. Harmonic Morphisms -Basics Sigmundur Gudmundsson

    E-Print Network [OSTI]

    Gudmundsson, Sigmundur

    Harmonic Morphisms - Basics Sigmundur Gudmundsson Department of Mathematics Faculty of Science Lund University Sigmundur.Gudmundsson@math.lu.se March 11, 2014 #12;Harmonic Maps in Gaussian Geometry Harmonic Maps in Riemannian Geometry Outline 1 Harmonic Maps in Gaussian Geometry Holomorphic Functions in One

  12. On harmonic binomial series

    E-Print Network [OSTI]

    Mark W. Coffey

    2008-12-09

    We evaluate binomial series with harmonic number coefficients, providing recursion relations, integral representations, and several examples. The results are of interest to analytic number theory, the analysis of algorithms, and calculations of theoretical physics, as well as other applications.

  13. ELECTRIC

    Office of Legacy Management (LM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and Myers CoMadison -T: Designation ofSEPE.ELECTRIC

  14. Optical harmonic generator

    DOE Patents [OSTI]

    Summers, Mark A. (Livermore, CA); Eimerl, David (Pleasanton, CA); Boyd, Robert D. (Livermore, CA)

    1985-01-01

    A pair of uniaxial birefringent crystal elements are fixed together to form a serially arranged, integral assembly which, alternatively, provides either a linearly or elliptically polarized second-harmonic output wave or a linearly polarized third-harmonic output wave. The "extraordinary" or "e" directions of the crystal elements are oriented in the integral assembly to be in quadrature (90.degree.). For a second-harmonic generation in the Type-II-Type-II angle tuned case, the input fundamental wave has equal amplitude "o" and "e" components. For a third-harmonic generation, the input fundamental wave has "o" and "e" components whose amplitudes are in a ratio of 2:1 ("o":"e" reference first crystal). In the typical case of a linearly polarized input fundamental wave this can be accomplished by simply rotating the crystal assembly about the input beam direction by 10.degree.. For both second and third harmonic generation input precise phase-matching is achieved by tilting the crystal assembly about its two sensitive axes ("o").

  15. Optical harmonic generator

    DOE Patents [OSTI]

    Summers, M.A.; Eimerl, D.; Boyd, R.D.

    1982-06-10

    A pair of uniaxial birefringent crystal elements are fixed together to form a serially arranged, integral assembly which, alternatively, provides either a linearly or elliptically polarized second-harmonic output wave or a linearly polarized third-harmonic output wave. The extraordinary or e directions of the crystal elements are oriented in the integral assembly to be in quadrature (90/sup 0/). For a second-harmonic generation in the Type-II-Type-II angle tuned case, the input fundamental wave has equal amplitude o and e components. For a third-harmonic generation, the input fundamental wave has o and e components whose amplitudes are in a ratio of 2:1 (o:e reference first crystal). In the typical case of a linearly polarized input fundamental wave this can be accomplished by simply rotating the crystal assembly about the input beam direction by 10/sup 0/. For both second and third harmonic generation input precise phase-matching is achieved by tilting the crystal assembly about its two sensitive axeses (o).

  16. Harmonic resolution as a holographic quantum number

    E-Print Network [OSTI]

    Bousso, Raphael

    2009-01-01

    LBNL- 57239 Harmonic resolution as a holographic quantumhep-th/0310223 UCB-PTH-03/26 Harmonic resolution as aquantum number, the harmonic resolution K. The Bekenstein

  17. Harmonic functions on Walsh's Brownian motion

    E-Print Network [OSTI]

    Jehring, Kristin Elizabeth

    2009-01-01

    4.3 Harmonic Functions . . . . . . . . . . . . . . .Chapter 3 Harmonic Functions . . . . . . . . . . . . . . 3.1Markov Chains 4.3.2 Harmonic Functions for the Embedded

  18. Zach Harmon Air Chemistry

    E-Print Network [OSTI]

    Toohey, Darin W.

    in the Troposphere Summary of Problem/Impact United States dependency on foreign oil and increased energy consumptionZach Harmon 810907207 Air Chemistry Natural Gas Production Impacts on levels of ozone administration to encourage fast growth to reduce dependency of foreign oil and be energy independent. It

  19. HARMONIC MORPHISMS ON HOMOGENEOUS HADAMARD

    E-Print Network [OSTI]

    Gudmundsson, Sigmundur

    HARMONIC MORPHISMS ON HOMOGENEOUS HADAMARD MANIFOLDS JONAS NORDSTRÃ?M Master's thesis 2010:E14;#12;Abstract In this thesis we investigate the existence of complex-valued harmonic morphisms on Lie groups of their Lie algebra. This decomposi- tion allows us to define harmonic morphisms to Rn , n 2. Any homogeneous

  20. Second Harmonic Generation From Surfaces

    E-Print Network [OSTI]

    Botti, Silvana

    Second Harmonic Generation From Surfaces Nicolas Tancogne-Dejean, Valérie Véniard Condensed Matter/DSM European Theoretical Spectroscopy Facility #12;2 Outline Nonlinear optic and second harmonic generation;4 Second harmonic generation First nonlinear term Centrosymmetric material : (2) = 0 (3)First nonlinear

  1. HVDC-AC system interaction from AC harmonics. Volume 1. Harmonic impedance calculations. Final report

    SciTech Connect (OSTI)

    Breuer, G D; Chow, J H; Lindh, C B; Miller, N W; Numrich, F H; Price, W W; Turner, A E; Whitney, R R

    1982-09-01

    Improved methods are needed to characterize ac system harmonic behavior for ac filter design for HVDC systems. The purpose of this General Electric Company RP1138 research is to evaluate the present filter design practice and to investigate methods for calculating system harmonic impedances. An overview of ac filter design for HVDC systems and a survey of literature related to filter design have been performed. Two methods for calculating system harmonic impedances have been investigated. In the measurement method, an instrumentation system for measuring system voltage and current has been assembled. Different schemes of using the measurements to calculate system harmonic impedances have been studied. In the analytical method, a procedure to include various operating conditions has been proposed. Computer programs for both methods have been prepared, and the results of the measurement and analytical methods analyzed. A conclusion of the project is that the measurement and analytical methods both provided reasonable results. There are correlations between the measured and analytical results for most harmonics, although there are discrepancies between the assumptions used in the two methods. A sensitivity approach has been proposed to further correlate the results. From the results of the analysis, it is recommended that both methods should be tested further. For the measurement method, more testing should be done to cover different system operating conditions. In the analytical method, more detailed models for representing system components should be studied. In addition, alternative statistical and sensitivity approaches should be attempted.

  2. Dipolar second harmonic generation in inversion symmetric materials

    E-Print Network [OSTI]

    Hardhienata, Hendradi; Prylepa, Andrii; Reitböck, Cornelia; Hingerl, Kurt

    2012-01-01

    It is generally argued that material classes with inversion symmetry such as silicon do not produce bulk dipole related second harmonic generation (SHG). So, SHG is then either ascribed to surface effects or bulk related electric quadrupol or magnetic dipole effects. In this letter we show analytically that due to the fact of the decaying harmonic electric field certain Si facets, as eg. Si(111), produce a bulk dipole SHG response and we propose an experiment, exploiting the different dispersion for the fundamental as well as frequency doubled radiation to determine this effect.

  3. Driven harmonic oscillator as a quantum simulator for open systems

    E-Print Network [OSTI]

    Jyrki Piilo; Sabrina Maniscalco

    2006-10-03

    We show theoretically how a driven harmonic oscillator can be used as a quantum simulator for non-Markovian damped harmonic oscillator. In the general framework, the results demonstrate the possibility to use a closed system as a simulator for open quantum systems. The quantum simulator is based on sets of controlled drives of the closed harmonic oscillator with appropriately tailored electric field pulses. The non-Markovian dynamics of the damped harmonic oscillator is obtained by using the information about the spectral density of the open system when averaging over the drives of the closed oscillator. We consider single trapped ions as a specific physical implementation of the simulator, and we show how the simulator approach reveals new physical insight into the open system dynamics, e.g. the characteristic quantum mechanical non-Markovian oscillatory behavior of the energy of the damped oscillator, usually obtained by the non-Lindblad-type master equation, can have a simple semiclassical interpretation.

  4. All-Optical Field-Induced Second-Harmonic Generation

    E-Print Network [OSTI]

    Davidson, Roderick B; Ziegler, Jed I; Avanesyan, Sergey M; Lawrie, Ben J; Haglund, Richard F

    2015-01-01

    Efficient frequency modulation techniques are crucial to the development of plasmonic metasurfaces for information processing and energy conversion. Nanoscale electric-field confinement in optically pumped plasmonic structures enables stronger nonlinear susceptibilities than are attainable in bulk materials. The interaction of three distinct electric fields in (chi)^3 optical processes allows for all-optical modulation of nonlinear signals. Here we demonstrate effcient third-order second harmonic generation (SHG) in a serrated nanogap plasmonic geometry that generates steep electric field gradients within a dielectric material. We utilize an ultrafast optical pump to control the plasmonically induced electric-fields and to generate bandwidth-limited ultrafast second-harmonic pulses driven by the control pulses. The combination of plasmonic metasurfaces with all-optical control and the freedom to choose the dielectric allow multiple generalizations of this concept and geometry to other four-wave mixing process...

  5. A multiple deep attenuation frequency window for harmonic analysis in power systems

    SciTech Connect (OSTI)

    Daponte, P.; Falcomata, G. . Dept. di Elettronica Informatica e Sistemistica); Testa, A. . Dipt. di Ingegneria Elettrica)

    1994-04-01

    A novel window is presented and applied in electrical power system harmonic analysis. The goal of increasing the resolvability of low magnitude non-harmonic tones close in frequency to higher magnitude harmonics and the detectability of very low magnitude high frequency harmonics is pursued. The proposed window is derived from the Tseng window; its spectrum can be modeled in the synthesis stage and it is characterized by a narrow width main lobe and by sidelobes which are very low in correspondence to some specified frequencies. Numerical experiments demonstrate the performances and the usefulness of the new window in resolving periodic distorted waveforms in power systems.

  6. On the harmonic map equation

    E-Print Network [OSTI]

    S. C. Tiwari

    2007-06-09

    A generalized harmonic map equation is presented based on the proposed action functional in the Weyl space (PLA, 135, 315, 1989).

  7. Harmonic Wavelet Transform and Image Approximation

    E-Print Network [OSTI]

    Zhang, Zhihua; Saito, Naoki

    2010-01-01

    DOI 10.1007/s10851-010-0202-x Harmonic Wavelet Transform andwe approximate f by a harmonic function u such that thebanks. We call this the Harmonic Wavelet Transform (HWT).

  8. Electro-optic harmonic conversion to switch a laser beam out of a cavity

    DOE Patents [OSTI]

    Haas, Roger A. (Pleasanton, CA); Henesian, Mark A. (Livermore, CA)

    1987-01-01

    The invention is a switch to permit a laser beam to escape a laser cavity through the use of an externally applied electric field across a harmonic conversion crystal. Amplification takes place in the laser cavity, and then the laser beam is switched out by the laser light being harmonically converted with dichroic or polarization sensitive elements present to alter the optical path of the harmonically converted laser light. Modulation of the laser beam can also be accomplished by varying the external electric field.

  9. Harmonic bundles, topological-antitopological fusion

    E-Print Network [OSTI]

    Henri Poincaré -Nancy-Université, Université

    Harmonic bundles, topological-antitopological fusion and the related pluriharmonic maps Lars Sch associated to a harmonic bundle 7 1 Introduction Topological-antitopological fusion or tt -geometry

  10. Virasoro algebra from harmonic superspace

    SciTech Connect (OSTI)

    Saidi, E.H.; Zakkari, M. (International Centre for Theoretical Physics, Trieste (Italy))

    1992-07-15

    Using harmonic superspace techniques we construct a new field realization of the Virasoro algebra. The main conformal objects are U(1) Cartan tensors instead of the U(1) Lorentz ones. The new conformal model, which admits moreover a {ital d}=2 (4,0) global supersymmetry, is constructed out of the infinitely relaxed Howe-Stelle-Townsend and Fayet-Sohnius hypermultiplets. The conformal current {ital T}{sup 4+} together with the harmonic superspace operator product expansion rules are given. The Virasoro algebra and the harmonic superspace Schwarzian derivative {ital S}{sup 4+} are also derived.

  11. HARMONIC TWOSPHERES IN COMPACT SYMMETRIC SPACES, REVISITED

    E-Print Network [OSTI]

    Bath, University of

    HARMONIC TWO­SPHERES IN COMPACT SYMMETRIC SPACES, REVISITED F. E. Burstall and M. A. Guest Introduction The purpose of this article is to give a new description of harmonic maps from the two­sphere S 2 of such harmonic maps occur when G=K = S n or CP n . In 1967, E. Calabi gave a construction of all harmonic maps

  12. Harmonic Broadcasting Is Optimal Lars Engebretsen

    E-Print Network [OSTI]

    Sudan, Madhu

    Harmonic Broadcasting Is Optimal Lars Engebretsen Madhu Sudan Abstract Harmonic broadcasting-on-demand broadcasting. In this paper, we note that harmonic broadcasting is actually a special case of the priority argument--that it is impossible to achieve the design goals of harmonic broadcasting using a shorter

  13. High Harmonic Generation Physics 208A Presentation

    E-Print Network [OSTI]

    Budker, Dmitry

    High Harmonic Generation Physics 208A Presentation October 11, 2004 Tom Allison UC Berkeley #12 to Fourier components of the polarization at harmonics of the laser frequency, creating radiation at harmonics of the laser frequency. #12;· First demonstration of second harmonic generation by P.A. Franken et

  14. On The Harmonic Oscillator Group

    E-Print Network [OSTI]

    Raquel M. Lopez; Sergei K. Suslov; Jose M. Vega-Guzman

    2011-12-04

    We discuss the maximum kinematical invariance group of the quantum harmonic oscillator from a view point of the Ermakov-type system. A six parameter family of the square integrable oscillator wave functions, which seems cannot be obtained by the standard separation of variables, is presented as an example. The invariance group of generalized driven harmonic oscillator is shown to be isomorphic to the corresponding Schroedinger group of the free particle.

  15. Echo-Enabled Harmonic Generation

    SciTech Connect (OSTI)

    Stupakov, Gennady; /SLAC

    2012-06-28

    A recently proposed concept of the Echo-Enabled Harmonic Generation (EEHG) FEL uses two laser modulators in combination with two dispersion sections to generate a high-harmonic density modulation in a relativistic beam. This seeding technique holds promise of a one-stage soft x-ray FEL that radiates not only transversely but also longitudinally coherent pulses. Currently, an experimental verification of the concept is being conducted at the SLAC National Accelerator Laboratory aimed at the demonstration of the EEHG.

  16. Continuous wave second-harmonic generation using domain-disordered quasi-phase matching waveguides

    E-Print Network [OSTI]

    , 10 King's College Road, Ontario M5S 3G4, Canada 2 Department of Electronics and Electrical. Hutchings2 1 Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto fundamental source. Output second-harmonic powers of up to 1.6 W were measured when on a Fabry-Pérot resonance

  17. 2013,1,"AK",3522,"Chugach Electric Assn Inc",0,,,,0,0,,,,0,0,,,,0

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: AlternativeMonthly","10/2015"Monthly","10/2015" ,"Release7 Relative Standard Errors for Relative StandardCensusp e u u

  18. Harmonic distortion correction in pipelined analog to digital converters

    E-Print Network [OSTI]

    Panigada, Andrea

    2009-01-01

    Background Correction of Harmonic Distortion in PipelinedBackground Correction of Harmonic Distortion in PipelinedADC with 69dB SNDR Enabled by Digital Harmonic Distortion

  19. Harmonic Morphisms from Homogeneous Spaces -Some Existence Theory -

    E-Print Network [OSTI]

    Gudmundsson, Sigmundur

    Harmonic Morphisms from Homogeneous Spaces - Some Existence Theory - Sigmundur Gudmundsson 2014 #12;Harmonic Morphisms Eigenfamilies - Constructions Orthogonal Harmonic Families - Constructions Low-Dimensional Classifications References Outline 1 Harmonic Morphisms Basics Geometric Motivation

  20. Harmonic oscillators in a Snyder geometry

    E-Print Network [OSTI]

    P. Valtancoli

    2013-06-01

    We find that, in presence of the Snyder geometry, the quantization of d isotropic harmonic oscillators can be solved exactly.

  1. A Refined Harmonic Rayleigh--Ritz Procedure and an Explicitly Restarted Refined Harmonic Arnoldi Algorithm #

    E-Print Network [OSTI]

    Jia, Zhongxiao

    A Refined Harmonic Rayleigh--Ritz Procedure and an Explicitly Restarted Refined Harmonic Arnoldi Algorithm # Guizhi Chen + Zhongxiao Jia # Abstract The work is fourfold. First, a refined harmonic Rayleigh--Ritz procedure is proposed, some relationships are established between the refined harmonic Ritz vector

  2. Poisson harmonic forms, Kostant harmonic forms, and the S 1 equivariant cohomology of K/T

    E-Print Network [OSTI]

    Evens, Sam

    Poisson harmonic forms, Kostant harmonic forms, and the S 1 ­equivariant cohomology of K/T Sam Abstract We characterize the harmonic forms on a flag manifold K/T defined by Kostant in 1963 in terms of a Poisson structure. Namely, they are ``Poisson harmonic'' with respect to the so­called Bruhat Poisson

  3. Reduced Harmonic Representation of Partitions

    E-Print Network [OSTI]

    Michalis Psimopoulos

    2011-03-08

    In the present article the reduced integral representation of partitions in terms of harmonic products has been derived first by using hypergeometry and the new concept of fractional sum and secondly by studying the Fourier series of the kernel function appearing in the integral representation. Using the method of induction, a generalization of the theory has also been obtained.

  4. High Harmonic Generation Basic Techniques & Challenges

    E-Print Network [OSTI]

    Budker, Dmitry

    High Harmonic Generation Basic Techniques & Challenges C. Michael R. Greaves #12;Regimes-cycle laser fields #12;Outline · Optical Field Atomic Ionization · High Harmonic Generation (HHG-rays · References #12;Optical Field Atomic Ionization · Harmonics are generated by the tunneling, transport

  5. HARMONIC AND SUPERHARMONIC MAJORANTS ON THE DISK

    E-Print Network [OSTI]

    Thomas, Pascal J.

    HARMONIC AND SUPERHARMONIC MAJORANTS ON THE DISK function on the unit disk admits * *a harmonic majorant if and only if a certain explicit upper D denote the open unit disk in the complex plane, and H+ (D) the cone of positive harmonic

  6. VOLUMETRIC HARMONIC BRAIN MAPPING Yalin Wang1

    E-Print Network [OSTI]

    VOLUMETRIC HARMONIC BRAIN MAPPING Yalin Wang1 , Xianfeng Gu2 , Tony F. Chan1 , Paul M. Thompson3. The first one is to find a harmonic map from a 3 manifold to a 3D solid sphere and the second is a sphere- gest that 3D harmonic mapping of brain volumes to a solid sphere can provide a canonical coordinate

  7. Harmonic oscillator: an analysis via Fourier series

    E-Print Network [OSTI]

    A. S. de Castro

    2013-09-30

    The Fourier series method is used to solve the homogeneous equation governing the motion of the harmonic oscillator. It is shown that the general solution to the problem can be found in a surprisingly simple way for the case of the simple harmonic oscillator. It is also shown that the damped harmonic oscillator is susceptible to the analysis.

  8. Harmonic generation with temporally focused ultrashort pulses

    E-Print Network [OSTI]

    Silberberg, Yaron

    Harmonic generation with temporally focused ultrashort pulses Dan Oron and Yaron Silberberg of harmonic generation with temporally focused ultrashort pulses are explored both theoreti- cally and experimentally. Analyzing the phase-matching conditions for harmonic generation we find a corre- spondence

  9. HARMONIC MORPHISMS, HERMITIAN STRUCTURES AND SYMMETRIC SPACES

    E-Print Network [OSTI]

    Gudmundsson, Sigmundur

    HARMONIC MORPHISMS, HERMITIAN STRUCTURES AND SYMMETRIC SPACES In this text we refer to the following papers by capital letters as indicated. [A] M. Svensson, On holomorphic harmonic morphisms, Manuscripta Math. 107 (2002), 1­13. [B] M. Svensson, Harmonic morphisms from even-dimensional hyper- bolic

  10. HARMONIC MAPS AND INTEGRABLE SYSTEMS EMMA CARBERRY

    E-Print Network [OSTI]

    Sydney, University of

    HARMONIC MAPS AND INTEGRABLE SYSTEMS EMMA CARBERRY Abstract. This article has two purposes. The first is to give an ex- pository account of the integrable systems approach to harmonic maps from surfaces to Lie groups and symmetric spaces, focusing on spectral curves for harmonic 2-tori. The most

  11. Simple Harmonic Motion and Newton's 3rd

    E-Print Network [OSTI]

    Yu, Jaehoon

    Simple Harmonic Motion and Newton's 3rd Law Theory Simple Harmonic Motion is not as simpleperiod where m is the mass of the object in kilograms and k is the spring constant. Newton's 3rd Law Newton's 3rd Law using two Force sensors. Procedure: Simple Harmonic Motion Getting the data 1. Open

  12. spherical harmonics for l < 20

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

    Michael, J. Robert [Middle Tennessee State University; Volkov, Anatoliy [Middle Tennessee State University

    2015-01-23

    The widely used pseudoatom formalism [Stewart (1976). Acta Cryst. A32, 565–574; Hansen & Coppens (1978). Acta Cryst. A34, 909–921] in experimental X-ray charge-density studies makes use of real spherical harmonics when describing the angular component of aspherical deformations of the atomic electron density in molecules and crystals. The analytical form of the densitynormalized Cartesian spherical harmonic functions for up to l 7 and the corresponding normalization coefficients were reported previously by Paturle & Coppens [Acta Cryst. (1988), A44, 6–7]. It was shown that the analytical form for normalization coefficients is available primarily for l 4 [Hansen & Coppens, 1978; Paturle & Coppens, 1988; Coppens (1992). International Tables for Crystallography, Vol. B, Reciprocal space, 1st ed., edited by U. Shmueli, ch. 1.2. Dordrecht: Kluwer Academic Publishers; Coppens (1997). X-ray Charge Densities and Chemical Bonding. New York: Oxford University Press]. Only in very special cases it is possible to derive an analytical representation of the normalization coefficients for 4 4 the density normalization coefficients were calculated numerically to within seven significant figures. In this study we review the literature on the density-normalized spherical harmonics, clarify the existing notations, use the Paturle–Coppens (Paturle & Coppens, 1988) method in the Wolfram Mathematica software to derive the Cartesian spherical harmonics for l 20 and determine the density normalization coefficients to 35 significant figures, and computer-generate a Fortran90 code. The article primarily targets researchers who work in the field of experimental X-ray electron density, but may be of some use to all who are interested in Cartesian spherical harmonics.

  13. Life Cycle GHG Emissions from Conventional Natural Gas Power Generation: Systematic Review and Harmonization (Presentation)

    SciTech Connect (OSTI)

    Heath, G.; O'Donoughue, P.; Whitaker, M.

    2012-12-01

    This research provides a systematic review and harmonization of the life cycle assessment (LCA) literature of electricity generated from conventionally produced natural gas. We focus on estimates of greenhouse gases (GHGs) emitted in the life cycle of electricity generation from conventionally produced natural gas in combustion turbines (NGCT) and combined-cycle (NGCC) systems. A process we term "harmonization" was employed to align several common system performance parameters and assumptions to better allow for cross-study comparisons, with the goal of clarifying central tendency and reducing variability in estimates of life cycle GHG emissions. This presentation summarizes preliminary results.

  14. Using Electricity",,,"Electricity Consumption",,,"Electricity...

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

    . Total Electricity Consumption and Expenditures, 2003" ,"All Buildings* Using Electricity",,,"Electricity Consumption",,,"Electricity Expenditures" ,"Number of Buildings...

  15. Photovoltaic power converter system with a controller configured to actively compensate load harmonics

    DOE Patents [OSTI]

    de Rooij, Michael Andrew (Clifton Park, NY); Steigerwald, Robert Louis (Burnt Hills, NY); Delgado, Eladio Clemente (Burnt Hills, NY)

    2008-12-16

    Photovoltaic power converter system including a controller configured to reduce load harmonics is provided. The system comprises a photovoltaic array and an inverter electrically coupled to the array to generate an output current for energizing a load connected to the inverter and to a mains grid supply voltage. The system further comprises a controller including a first circuit coupled to receive a load current to measure a harmonic current in the load current. The controller includes a second circuit to generate a fundamental reference drawn by the load. The controller further includes a third circuit for combining the measured harmonic current and the fundamental reference to generate a command output signal for generating the output current for energizing the load connected to the inverter. The photovoltaic system may be configured to compensate harmonic currents that may be drawn by the load.

  16. Harmonic Chain with Weak Dissipation

    E-Print Network [OSTI]

    A. A. Lykov; V. A. Malyshev

    2013-02-20

    We consider finite harmonic chain (consisting of N classical particles) plus dissipative force acting on one particle (called dissipating particle) only. We want to prove that "in the generic case" the energy (per particle) for the whole system tends to zero in the large time limit and then in the large N limit. "In the generic case" means: for almost all initial conditions and for almost any choice of the dissipating particle, in the thermodynamic limit.

  17. Hyperspherical harmonic formalism for tetraquarks

    E-Print Network [OSTI]

    J. Vijande; N. Barnea; A. Valcarce

    2006-10-11

    We present a generalization of the hyperspherical harmonic formalism to study systems made of quarks and antiquarks of the same flavor. This generalization is based on the symmetrization of the $N-$body wave function with respect to the symmetric group using the Barnea and Novoselsky algorithm. Our analysis shows that four-quark systems with non-exotic $2^{++}$ quantum numbers may be bound independently of the quark mass. $0^{+-}$ and $1^{+-}$ states become attractive only for larger quarks masses.

  18. Harmonics and Resonance Issues with Wind Plants

    SciTech Connect (OSTI)

    Bradt, M. [IEEE PES Wind Plant Collector System Design Working Group; Badrzadeh, Babak [IEEE PES Wind Plant Collector System Design Working Group; Camm, E H [IEEE PES Wind Plant Collector System Design Working Group; Castillo, Nestor [IEEE PES Wind Plant Collector System Design Working Group; Mueller, David [IEEE PES Wind Plant Collector System Design Working Group; Siebert, T. [IEEE PES Wind Plant Collector System Design Working Group; Schoene, Jens [IEEE PES Wind Plant Collector System Design Working Group; Smith, Travis M [ORNL; Starke, Michael R [ORNL; Walling, R. [IEEE PES Wind Plant Collector System Design Working Group

    2011-01-01

    Wind plants are susceptible to lightly-damped resonances which can attract and amplify ambient grid harmonic distortion and magnify wind turbine harmonic generation. Long-accepted harmonic modeling assumptions and practices are not appropriate for wind plants. VSCs are not ideal current sources and grid impedance is important. Attention to modeling detail and thorough evaluation over range of conditions is critical to meaningful analysis. In general, wind turbines are very slight sources of harmonics. Most harmonic issues are a result of resonance, caused by capacitor banks (for reactive power compensation) or from the extensive underground cabling in a collector system. Converter controls instability can be exacerbated by power system resonances. In some cases this has caused severe voltage distorDon and other problems. The IEEE 519 recommended guidelines are very restrictive. I recommend that they are used to resolve serious harmonic issues, and not to create petty problems.

  19. Harmonic Cheeger-Simons characters with applications

    E-Print Network [OSTI]

    Richard Green; Varghese Mathai

    2009-02-13

    We initiate the study of harmonic Cheeger-Simons characters, with applications to smooth versions of the Geometric Langlands program in the abelian case.

  20. Modulation compression for short wavelength harmonic generation

    E-Print Network [OSTI]

    Qiang, J.

    2010-01-01

    Wavelength Harmonic Generation Ji Qiang Lawrence Berkeleyform a basis for fourth generation light source. Currently,e?ciency was proposed for generation of short wavelength

  1. Effects of harmonic phase on nonlinear surface acoustic waves in the (111) plane of cubic crystals

    E-Print Network [OSTI]

    Effects of harmonic phase on nonlinear surface acoustic waves in the (111) plane of cubic crystals of surface acoustic waves SAWs in the 001 surface cut of nonpiezo- electric, cubic crystals. The present 2002 Spectral evolution equations are used to perform numerical studies of nonlinear surface acoustic

  2. Harmonic Elimination in Multilevel Converters John Chiasson, Leon Tolbert, Keith McKenzie and Zhong Du

    E-Print Network [OSTI]

    Tolbert, Leon M.

    Converters, Harmonic Elimination, Resultants, Symmetric Polynomials I. Introduction Electric power production and information infrastructure. A shift will take place from a relatively few large, concentrated generation be obtained from solar cells, fuel cells, or ul- tracapacitors. Figure 1 shows a single-phase structure

  3. Harmonic potential and hadron spectroscopy

    E-Print Network [OSTI]

    Rafael Tumanyan

    2009-05-28

    The quark-gluon sea in the hadrons is considered as periodically correlated. Energy levels of Shrodinger equation with harmonic potential is used for describing of the spectrum of hadron masses. In the considered cases the effective potential operating on each particle of ensemble, under certain conditions becomes square-law on displacement from a equilibrium point. It can become an explanation of popularity of oscillator potential for the description of a spectrum of masses of elementary particles. The analysis shows that levels of periodic potential better agreed to the spectrum of hadron masses, than levels of other potentials used for an explanation of a spectrum of masses.

  4. Background and Reflections on the Life Cycle Assessment Harmonization Project

    Broader source: Energy.gov [DOE]

    Despite the ever-growing body of life cycle assessment literature on electricity generation technologies, inconsistent methods and assumptions hamper comparison across studies and pooling of published results. Synthesis of the body of previous research is necessary to generate robust results to assess and compare environmental performance of different energy technologies for the benefit of policy makers, managers, investors, and citizens. With funding from the U.S. Department of Energy, the National Renewable Energy Laboratory initiated the LCA Harmonization Project in an effort to rigorously leverage the numerous individual studies to develop collective insights.

  5. On harmonic measures and group actions Alberto Candel

    E-Print Network [OSTI]

    Candel, Alberto

    On harmonic measures and group actions Alberto Candel CSUN I Congreso Hispano-Franc´es de Matem´aticas Zaragoza, 13 Julio del 2007 #12;Harmonic measures Harmonic measures for foliated spaces were introduced in foliation theory by Lucy Garnett. #12;Harmonic measures Harmonic measures for foliated spaces were

  6. Life Cycle Greenhouse Gas Emissions from Electricity Generation (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2013-01-01

    Analysts at NREL have developed and applied a systematic approach to review the LCA literature, identify primary sources of variability and, where possible, reduce variability in GHG emissions estimates through a procedure called 'harmonization.' Harmonization of the literature provides increased precision and helps clarify the impacts of specific electricity generation choices, producing more robust results.

  7. OutageMapURL Phases Energy Services

    Open Energy Info (EERE)

    OutageMapURL Phases Energy Services County Electric Power Assn http outages county org A N Electric Coop Virginia AEP Generating Company https www aepaccount com zipr...

  8. Harmonic relationships influence auditory brainstem encoding of chords

    E-Print Network [OSTI]

    Kraus, Nina

    Harmonic relationships influence auditory brainstem encoding of chords Frederic Marmela, and particularly by sensitivity to harmonic relationships. As subcortical and cortical processing dynamically processing of musical sounds would be sensitive to harmonic relationships. We examined auditory brainstem

  9. HARMONIC MAPPINGS BETWEEN RIEMANNIAN MANIFOLDS Anand Arvind Joshi

    E-Print Network [OSTI]

    Leahy, Richard M.

    HARMONIC MAPPINGS BETWEEN RIEMANNIAN MANIFOLDS by Anand Arvind Joshi A Thesis Presented ii Abstract iv 1 Harmonic Mappings 1 1.1 Space of Maps Variation Formula . . . . . . . . . . . . . . . . . . . . . . . . 11 1.4 Harmonic Maps

  10. A Formal model to aid documenting and harmonizing of information

    E-Print Network [OSTI]

    Zheng, Yuliang

    A Formal model to aid documenting and harmonizing of information security requirements Jussipekka Information security development, harmonization of information security, organizational modeling 1 INTRODUCTION A formal top down model to harmonize and document information security requirements shall

  11. Harmonic cascade FEL designs for LUX

    E-Print Network [OSTI]

    2004-01-01

    1.3: a fully 3D time-dependent FEL sim- ulation code, Nucl.a XUV/soft X-ray harmonic-cascade FEL for the proposed LBNLLBNL-56329 Harmonic cascade FEL designs for LUX G. Penn, M.

  12. VOLUMETRIC HARMONIC BRAIN MAPPING Yalin Wang1

    E-Print Network [OSTI]

    Ferguson, Thomas S.

    VOLUMETRIC HARMONIC BRAIN MAPPING Yalin Wang1 , Xianfeng Gu2 , Tony F. Chan1 , Paul M. Thompson3 general investigation of 3D volumetric brain har- monic mapping. The motivations for 3D volumetric brain volumetric harmonic map- ping algorithm. The algorithm can work with manifolds with genus zero and non genus

  13. Using Electricity",,,"Electricity Consumption",,,"Electricity...

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

    A. Total Electricity Consumption and Expenditures for All Buildings, 2003" ,"All Buildings Using Electricity",,,"Electricity Consumption",,,"Electricity Expenditures" ,"Number of...

  14. Electricity",,,"Electricity Consumption",,,"Electricity Expenditures...

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

    C9. Total Electricity Consumption and Expenditures, 1999" ,"All Buildings Using Electricity",,,"Electricity Consumption",,,"Electricity Expenditures" ,"Number of Buildings...

  15. Electricity",,,"Electricity Consumption",,,"Electricity Expenditures...

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

    DIV. Total Electricity Consumption and Expenditures by Census Division, 1999" ,"All Buildings Using Electricity",,,"Electricity Consumption",,,"Electricity Expenditures" ,"Number...

  16. Observation of the Second Harmonic in Thomson Scattering from...

    Office of Scientific and Technical Information (OSTI)

    Observation of the Second Harmonic in Thomson Scattering from Relativistic Electrons Citation Details In-Document Search Title: Observation of the Second Harmonic in Thomson...

  17. System and methods for reducing harmonic distortion in electrical converters

    DOE Patents [OSTI]

    Kajouke, Lateef A; Perisic, Milun; Ransom, Ray M

    2013-12-03

    Systems and methods are provided for delivering energy using an energy conversion module. An exemplary method for delivering energy from an input interface to an output interface using an energy converison module coupled between the input interface and the output interface comprises the steps of determining an input voltage reference for the input interface based on a desired output voltage and a measured voltage and the output interface, determining a duty cycle control value based on a ratio of the input voltage reference and the measured voltage, operating one or more switching elements of the energy conversion module to deliver energy from the input interface to the output interface to the output interface with a duty cycle influenced by the dute cycle control value.

  18. Extra Harmonic Vowel in Chicahuaxtla Trique

    E-Print Network [OSTI]

    Matsukawa, Kosuke

    2008-01-01

    stream_size 17328 stream_content_type text/plain stream_name kwpl-30-Matsukawa.pdf.txt stream_source_info kwpl-30-Matsukawa.pdf.txt Content-Encoding UTF-8 Content-Type text/plain; charset=UTF-8 Extra Harmonic Vowel... harmonic vowel is added after a laryngealized vowel (either a glottalized vowel or an aspirated vowel) in a final syllable. The extra harmonic vowel does not exist in Copala Trique or Itunyoso Trique and is attached mostly to noun stems in Chicahuaxtla...

  19. Table 3. Top five retailers of electricity, with end use sectors...

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

    Pine Elec Power Assn","Cooperative",2076084,879654,330078,866352,0 5,"Total sales, top five providers","Cooperative",1652489,1061970,374841,215678,0 " ","Percent of total...

  20. Conjugate Harmonic Functions and Clifford Craig A. Nolder

    E-Print Network [OSTI]

    Conjugate Harmonic Functions and Clifford Algebras Craig A. Nolder Department of Mathematics a Hardy-Littlewood inequality and a Privalov inequality for conju- gate harmonic functions in the plane], Stein and Weiss studied systems of conjugate harmonic functions in Rn . These are vectors of harmonic

  1. Dual aperture dipole magnet with second harmonic component

    DOE Patents [OSTI]

    Praeg, W.F.

    1983-08-31

    An improved dual aperture dipole electromagnet includes a second-harmonic frequency magnetic guide field winding which surrounds first harmonic frequency magnetic guide field windings associated with each aperture. The second harmonic winding and the first harmonic windings cooperate to produce resultant magnetic waveforms in the apertures which have extended acceleration and shortened reset portions of electromagnet operation.

  2. High harmonic generation in the relativistic *, A. GOPAL2

    E-Print Network [OSTI]

    Loss, Daniel

    LETTERS High harmonic generation in the relativistic limit B. DROMEY1 , M. ZEPF1 *, A. GOPAL2 , K, measurements with unprecedented temporal resolution1­6 . Harmonics from laser­solid target interactions have of harmonic efficiency to high orders by driving harmonic production to the relativistic limit1 . Here we

  3. Dual aperture dipole magnet with second harmonic component

    DOE Patents [OSTI]

    Praeg, Walter F. (Palos Park, IL)

    1985-01-01

    An improved dual aperture dipole electromagnet includes a second-harmonic frequency magnetic guide field winding which surrounds first harmonic frequency magnetic guide field windings associated with each aperture. The second harmonic winding and the first harmonic windings cooperate to produce resultant magnetic waveforms in the apertures which have extended acceleration and shortened reset portions of electromagnet operation.

  4. Local Harmonic Estimation in Musical Sound Rafael A. IRIZARRY

    E-Print Network [OSTI]

    Irizarry, Rafael A.

    Local Harmonic Estimation in Musical Sound Signals Rafael A. IRIZARRY Statistical modeling so a local harmonic model that tracks changes in pitch and in the amplitudes of the harmonics is fit estimates of the harmonic signal and of the noise signal. Different musical composition applications may

  5. Topics in affine and discrete harmonic analysis 

    E-Print Network [OSTI]

    Hickman, Jonathan Edward

    2015-07-01

    In this thesis a number of problems in harmonic analysis of a geometric flavour are discussed and, in particular, the Lebesgue space mapping properties of certain averaging and Fourier restriction operators are studied. ...

  6. Harmonic Representation of Combinations and Partitions

    E-Print Network [OSTI]

    Michalis Psimopoulos

    2011-03-01

    In the present article a new method of deriving integral representations of combinations and partitions in terms of harmonic products has been established. This method may be relevant to statistical mechanics and to number theory.

  7. On conformal supergravity and harmonic superspace

    E-Print Network [OSTI]

    Daniel Butter

    2015-09-01

    This paper describes a fully covariant approach to harmonic superspace. It is based on the conformal superspace description of conformal supergravity and involves extending the supermanifold M^{4|8} by the tangent bundle of CP^1. The resulting superspace M^{4|8} x TCP^1 can be identified in a certain gauge with the conventional harmonic superspace M^{4|8} x S^2. This approach not only makes the connection to projective superspace transparent, but simplifies calculations in harmonic superspace significantly by eliminating the need to deal directly with supergravity prepotentials. As an application of the covariant approach, we derive from harmonic superspace the full component action for the sigma model of a hyperkahler cone coupled to conformal supergravity. Further applications are also sketched.

  8. Harmonizing Systems and Software Cost Estimation

    E-Print Network [OSTI]

    Wang, Gan

    2009-07-19

    The objective of this paper is to examine the gaps and overlaps between software and systems engineering cost models with intent to harmonize the estimates in engineering engineering estimation. In particular, we evaluate ...

  9. Harmonic Lasing Characterization at Jefferson Lab

    SciTech Connect (OSTI)

    Stephen Benson; Michelle D. Shinn

    2006-08-27

    Harmonic lasing is normally suppressed because of lasing at the fundamental wavelength. It can, however, be achieved by using any of several methods that suppress fundamental lasing. In this paper we discuss two methods used at Jefferson Lab. The first is to use the characteristics of dielectric coatings to allow harmonic lasing at cavity lengths longer than the synchronous length for the fundamental. The second is to use a dielectric coating that has little reflectivity at the fundamental. This allows us to directly compare fundamental and harmonic lasing with the same optical resonator and electron beam. We present measurement carried out at Jefferson Lab using the IR Upgrade FEL operating at 0.53, 0.94, 1.04, 1.6, and 2.8 microns in which both schemes are used to produce lasing at both the 3rd and 5th harmonic of the fundamental.

  10. SEVENTH HARMONIC 20 GHz CO-GENERATOR

    SciTech Connect (OSTI)

    Hirshfield, Jay L

    2014-04-08

    To satisfy the need for multi-MW rf sources in frequency ranges where commercial sources do not exist, a study was undertaken on a class of devices based on gyro-harmonic frequency multiplication. This mechanism relies upon adding energy in gyrating motion to a linear electron beam that traverses a rotating-mode TE111-mode drive cavity in a dc magnetic field. The beam then drifts along the magnetic field into a second cavity, operating in the TEn11-mode tuned to the nth harmonic of the drive cavity. Studies of this configuration have been carried out for 2 < n < 7. Results are given for multi-MW, efficient operation of a 7th harmonic device operating at 20 GHz, and a 2nd harmonic device operating at 22.4 GHz.

  11. Harmonic experiments to model fracture induced anisotropy

    E-Print Network [OSTI]

    Santos, Juan

    of earthquakes, and hydrocarbon and geothermal reservoirs are mainly composed of fractured rocks. Harmonic and vertical coordinates, respectively. When a dense set of parallel fractures is present, the medium behaves

  12. Index calculation by means of harmonic expansion

    E-Print Network [OSTI]

    Imamura, Yosuke

    2015-01-01

    We review derivation of superconformal indices by means of supersymmetric localization and spherical harmonic expansion for 3d N=2, 4d N=1, and 6d N=(1,0) supersymmetric gauge theories. We demonstrate calculation of indices for vector multiplets in each dimensions by analysing energy eigenmodes in S^pxR. For the 6d index we consider the perturbative contribution only. We put focus on technical details of harmonic expansion rather than physical applications.

  13. Index calculation by means of harmonic expansion

    E-Print Network [OSTI]

    Yosuke Imamura

    2015-10-28

    We review derivation of superconformal indices by means of supersymmetric localization and spherical harmonic expansion for 3d N=2, 4d N=1, and 6d N=(1,0) supersymmetric gauge theories. We demonstrate calculation of indices for vector multiplets in each dimensions by analysing energy eigenmodes in S^pxR. For the 6d index we consider the perturbative contribution only. We put focus on technical details of harmonic expansion rather than physical applications.

  14. Nonlinearly driven harmonics of Alfvén modes

    SciTech Connect (OSTI)

    Zhang, B., E-mail: bozhang@austin.utexas.edu; Breizman, B. N.; Zheng, L. J.; Berk, H. L. [Institute for Fusion Studies, The University of Texas at Austin, Austin, Texas 78712 (United States)] [Institute for Fusion Studies, The University of Texas at Austin, Austin, Texas 78712 (United States)

    2014-01-15

    In order to study the leading order nonlinear magneto-hydrodynamic (MHD) harmonic response of a plasma in realistic geometry, the AEGIS code has been generalized to account for inhomogeneous source terms. These source terms are expressed in terms of the quadratic corrections that depend on the functional form of a linear MHD eigenmode, such as the Toroidal Alfvén Eigenmode. The solution of the resultant equation gives the second order harmonic response. Preliminary results are presented here.

  15. Some examples of exponentially harmonic maps

    E-Print Network [OSTI]

    A D Kanfon; A Füzfa; D Lambert

    2002-05-15

    The aim of this paper is to study some examples of exponentially harmonic maps. We study such maps firstly on flat euclidean and Minkowski spaces and secondly on Friedmann-Lema\\^ itre universes. We also consider some new models of exponentially harmonic maps which are coupled with gravity which happen to be based on a generalization of the lagrangian for bosonic strings coupled with dilatonic field.

  16. Harmonic Functions are Real Analytic1 On this very short note we prove that harmonic functions are real analytic functions.

    E-Print Network [OSTI]

    Cabral, Marco

    Harmonic Functions are Real Analytic1 On this very short note we prove that harmonic functions prove Lemma 1 using the mean value property of harmonic functions, Green's theorem and the maximum principle. Lemma 1 (estimate on first derivative) Suppose w is harmonic in Rn , > 0, y and B

  17. Interaction between O{sub 2} and ZnO films probed by time-dependent second-harmonic generation

    SciTech Connect (OSTI)

    Andersen, S. V., E-mail: sva@nano.aau.dk [Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (Netherlands); Department of Physics and Nanotechnology, Aalborg University, Skjernvej 4A, DK-9220 Aalborg Øst (Denmark); Vandalon, V.; Bosch, R. H. E. C.; Loo, B. W. H. van de; Kessels, W. M. M., E-mail: w.m.m.kessels@tue.nl [Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (Netherlands); Pedersen, K. [Department of Physics and Nanotechnology, Aalborg University, Skjernvej 4A, DK-9220 Aalborg Øst (Denmark)

    2014-02-03

    The interaction between O{sub 2} and ZnO thin films prepared by atomic layer deposition has been investigated by time-dependent second-harmonic generation, by probing the electric field induced by adsorbed oxygen molecules on the surface. The second-harmonic generated signal decays upon laser exposure due to two-photon assisted desorption of O{sub 2}. Blocking and unblocking the laser beam for different time intervals reveals the adsorption rate of O{sub 2} onto ZnO. The results demonstrate that electric field induced second-harmonic generation provides a versatile non-contact probe of the adsorption kinetics of molecules on ZnO thin films.

  18. Tuning Gold Nanoparticle Self-Assembly for Optimum Coherent Anti-Stokes Raman Scattering and Second Harmonic Generation Response

    E-Print Network [OSTI]

    Brolo, Alexandre G.

    , PO Box 3065, Victoria, BC, Canada, V8W 3V6, and Department of Electrical and Computer Engineering) techniques: Coherent anti-Stokes Raman scattering (CARS) and second harmonic generation (SHG). The CARS. Maximum signal was observed for 11 NP layers and is attributed to the matching of the CARS signal

  19. LCA Harmonization | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar2-0057-EAInvervar HydroElectric Cooperative(Redirected from Renewable

  20. Cascaded third harmonic generation in hybrid graphene-semiconductor waveguides

    E-Print Network [OSTI]

    Smirnova, Daria A

    2015-01-01

    We study cascaded harmonic generation of hybrid surface plasmons in integrated planar waveguides composed of a graphene layer and a doped-semiconductor slab. We derive a comprehensive model of cascaded third harmonic generation through phase-matched nonlinear interaction of fundamental, second harmonic and third harmonic plasmonic modes supported by the structure. We show that hybrid graphene-semiconductor waveguides can simultaneously phase-match these three interacting harmonics, increasing the total third-harmonic output by a factor of 5 compared to the non-cascaded regime.

  1. On the symplectic structure of harmonic superspace

    SciTech Connect (OSTI)

    Kachkachi, M.; Saidi, E.H. (Lab. de Physique Theorique, Faculte des Sciences, Av. Ibn Battota, B.P. 1014, Rabat (Morocco))

    1992-11-10

    In this paper, the symplectic properties of harmonic superspace are studied. It is shown that Diff(S[sup 2]) is isomorphic to Diff[sub 0](S[sup 3])/Ab(Diff[sub 0](S[sup 3])), where Diff[sub 0](S[sup 3]) is the group of the diffeomorphisms of S[sup 3] preserving the Cartan charge operator D[sup 0] and Ab(Diff[sub 0](S[sup 3])) is its Abelian subgroup generated by the Cartan vectors L[sub 0] = w[sup 0]D[sup 0]. The authors show also that the eigenvalue equation D[sup 0] [lambda](z) = 0 defines a symplectic structure in harmonic superspace, and the authors calculate the corresponding algebra. The general symplectic invariant coupling of the Maxwell prepotential is constructed in both flat and curved harmonic superspace. Other features are discussed.

  2. High harmonic phase in molecular nitrogen

    SciTech Connect (OSTI)

    McFarland, Brian K.

    2009-10-17

    Electronic structure in atoms and molecules modulates the amplitude and phase of high harmonic generation (HHG). We report measurements of the high harmonic spectral amplitude and phase in N{sub 2}. The phase is measured interferometrically by beating the N{sub 2} harmonics with those of an Ar reference oscillator in a gas mixture. A rapid phase shift of 0.2{pi} is observed in the vicinity of the HHG spectral minimum, where a shift of {pi} had been presumed [J. Itatani et al., Nature 432, 867 (2004)]. We compare the phase measurements to a simulation of the HHG recombination step in N{sub 2} that is based on a simple interference model. The results of the simulation suggest that modifications beyond the simple interference model are needed to explain HHG spectra in molecules.

  3. ESCUELA TCNICA SUPERIOR Using Spherical Harmonic Virtual Screening Tools

    E-Print Network [OSTI]

    Ritchie, Dave

    energy ­ EAL ­ electron affinity ­ L ­ polarizability · Encode as Spherical Harmonic expansions to order

  4. Parametric Estimation of Harmonically Related Sinusoids 

    E-Print Network [OSTI]

    Dixit, Richa

    2010-04-01

    Mud-pulse telemetry is a method used for measurement-while-drilling (MWD)in the oil industry. The telemetry signals are corrupted by spurious mud pump noise consisting of a large number of harmonically related sinusoids. In order to denoise...

  5. A Low Total Harmonic Distortion Sinusoidal Oscillator Based on Digital Harmonic Cancellation Technique 

    E-Print Network [OSTI]

    Yan, Jun

    2012-07-16

    design methodology of sinusoidal oscillator named digital-harmonic-cancellation (DHC) technique is presented. DHC technique is realized by summing up a set of square-wave signals with different phase shifts and different summing coefficient to cancel...

  6. Harmonic influence in large-scale networks Daron Acemoglu

    E-Print Network [OSTI]

    Como, Giacomo

    Harmonic influence in large-scale networks Daron Acemoglu , Giacomo Como , Fabio Fagnani , and Asuman Ozdaglar§ 1. INTRODUCTION Harmonic influence has been recently introduced as a measure = 0 and xs1 = 1, respectively, the harmonic influence vector x measures the relative influence of s1

  7. Harmonic maps on domains with piecewise Lipschitz continuous metrics

    E-Print Network [OSTI]

    Wang, Changyou

    Harmonic maps on domains with piecewise Lipschitz continuous metrics Haigang Li , Changyou Wang consider harmonic map from (, g) to a compact Rie- mannian manifold (N, h) Rk without boundary. We generalize the notion of stationary harmonic maps and prove their partial regularity. We also discuss

  8. Harmonic Functions for Quadrilateral Remeshing of Arbitrary Manifolds

    E-Print Network [OSTI]

    Garland, Michael

    Harmonic Functions for Quadrilateral Remeshing of Arbitrary Manifolds S. Dong , S. Kircher, M on the use of smooth harmonic scalar fields defined over the mesh. Given such a field, we compute its for cutting the surface into patches. Key words: quad-dominant remeshing, gradient flow tracing, harmonic

  9. Harmonic Balance, Melnikov Method and Nonlinear Oscillators Under Resonant Perturbation

    E-Print Network [OSTI]

    Bonnin, Michele

    Harmonic Balance, Melnikov Method and Nonlinear Oscillators Under Resonant Perturbation Michele of the unperturbed system. On the other hand, spectral techniques, like the Harmonic Balance, have been widely's integral over the Harmonic Balance approximation of the unperturbed orbits. The proposed method

  10. harmonic generation at a critical power in inhomogeneous doubly

    E-Print Network [OSTI]

    Soljaèiæ, Marin

    (2) and (3) harmonic generation at a critical power in inhomogeneous doubly resonant cavities- and third-harmonic generation via (2) and (3) nonlinearities. We find that conversion efficiency. Drummond, K. J. McNeil, and D. F. Walls, "Non-equilibrium transitions in sub/second harmonic generation I

  11. Harmonic Elimination for Multilevel Converter with Programmed PWM Method

    E-Print Network [OSTI]

    Tolbert, Leon M.

    Harmonic Elimination for Multilevel Converter with Programmed PWM Method Zhong Du, Leon M. Tolbert presents a programmed PWM method to eliminate specific higher order harmonics of multilevel converters. First, resultant theory is applied to transcendental equations to eliminate low order harmonics

  12. Harmonic Analysis and Geometries of Digital Data Bases

    E-Print Network [OSTI]

    Maggioni, Mauro

    Harmonic Analysis and Geometries of Digital Data Bases AMS Session Special Sesson, 2010 () Harmonic Analysis of Data Bases January 14, 2010 1 / 41 #12;Local geometry described by a graph, Gavish) Harmonic Analysis of Data Bases January 14, 2010 2 / 41 #12;Local geometry described by a graph

  13. High harmonic generation and attosecond pulse production in dense medium

    E-Print Network [OSTI]

    Becker, Andreas

    High harmonic generation and attosecond pulse production in dense medium v.v. Stre1kov1'2', V ABSTRACT We have studied the high harmonic generation and attosecond pulse production in a plasma or gas positions of the particles using the Monte-Carlo method. We observe a change of the harmonic properties due

  14. The harmonic measure of balls in random trees Nicolas Curien

    E-Print Network [OSTI]

    Le Gall, Jean-François

    The harmonic measure of balls in random trees Nicolas Curien and Jean-François Le Gall Abstract We study properties of the harmonic measure of balls in typical large discrete trees. For a ball of radius of the harmonic measure is supported on a boundary set of size approximately equal to n , where 0

  15. Harmonic Broadcasting Is Bandwidth-Optimal Assuming Constant Bit Rate

    E-Print Network [OSTI]

    Sudan, Madhu

    Harmonic Broadcasting Is Bandwidth-Optimal Assuming Constant Bit Rate Lars Engebretsen1, and Madhu Street Cambridge, Massachusetts 02139 USA E-mail: madhu@mit.edu November 2005 Abstract. Harmonic for video-on-demand broadcasting. In this paper, we note that harmonic broadcasting is actually a spe- cial

  16. The Harmonic Oscillator and the Uncertainty Principle Frank Rioux

    E-Print Network [OSTI]

    Rioux, Frank

    The Harmonic Oscillator and the Uncertainty Principle Frank Rioux Emeritus Professor of Chemistry CSB|SJU Schrödinger's equation in atomic units (h = 2) for the harmonic oscillator has an exact is that tunneling occurs in the simple harmonic oscillator. The classical turning point is that position at which

  17. The Harmonic Series Diverges Again and Again Steven J. Kifowit

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    The Harmonic Series Diverges Again and Again Steven J. Kifowit Prairie State College Terra A. Stamps Prairie State College The harmonic series, n=1 1 n = 1 + 1 2 + 1 3 + 1 4 + 1 5 + · · · , is one, the harmonic series provides the instructor with a wealth of opportunities. The leaning tower of lire (Johnson

  18. Comparing Harmonic Similarity Measures W. Bas de Haas1

    E-Print Network [OSTI]

    Veltkamp, Remco

    Comparing Harmonic Similarity Measures W. Bas de Haas1 , Matthias Robine2 , Pierre Hanna2 , Remco C in which we compare two harmonic similarity measures. In contrast to earlier work, in this paper we approach to harmonic similarity, and measure the effects of chord descrip- tion detail and a priori key

  19. Tomography of high harmonic generation in a cluster jet

    E-Print Network [OSTI]

    . In this Letter, we present a tomographic tech- nique for studying high harmonic generation in cluster jetsTomography of high harmonic generation in a cluster jet Chih-Hao Pai Department of Physics; accepted December 21, 2005; posted January 4, 2006 (Doc. ID 66558) Tomographic measurement of high harmonic

  20. Technical Section Feature-aligned harmonic volumetric mapping using MFS

    E-Print Network [OSTI]

    Li, Xin "Shane"

    Technical Section Feature-aligned harmonic volumetric mapping using MFS Xin Li a,b,Ã, Huanhuan Xu a Correspondence and registration Harmonic volumetric mapping a b s t r a c t We present an efficient adaptive method to compute the harmonic volumetric mapping, which establishes a smooth correspondence between two

  1. Enhancement and Electric Charge-Assisted Tuning of Nonlinear Light Generation in Bipolar Plasmonics

    E-Print Network [OSTI]

    Enhancement and Electric Charge-Assisted Tuning of Nonlinear Light Generation in Bipolar Plasmonics, hence fundamentally different from the classic electric field induced SHG-tuning (EFISH). We propose of frequency), termed electric field induced second harmonic-generation (EFISH), has been studied for a long

  2. 2005 IEEE ElectricShip Technologies Symposium Parallel Operation of Shunt Active Power Filters for

    E-Print Network [OSTI]

    Lehman, Brad

    for Damping of Harmonic Propagation in Electric Shipboard Power Systems Ting Qian', Brad Lehman', Anindita, and there is a significant deterioration of power quality in the electrical plants of modern warships. Severa1problems can power system, such as in an electric ship. Thus, an alternative approach is to use a Shunt Active Power

  3. Generalized harmonic formulation in spherical symmetry

    E-Print Network [OSTI]

    Evgeny Sorkin; Matthew W. Choptuik

    2010-04-30

    In this pedagogically structured article, we describe a generalized harmonic formulation of the Einstein equations in spherical symmetry which is regular at the origin. The generalized harmonic approach has attracted significant attention in numerical relativity over the past few years, especially as applied to the problem of binary inspiral and merger. A key issue when using the technique is the choice of the gauge source functions, and recent work has provided several prescriptions for gauge drivers designed to evolve these functions in a controlled way. We numerically investigate the parameter spaces of some of these drivers in the context of fully non-linear collapse of a real, massless scalar field, and determine nearly optimal parameter settings for specific situations. Surprisingly, we find that many of the drivers that perform well in 3+1 calculations that use Cartesian coordinates, are considerably less effective in spherical symmetry, where some of them are, in fact, unstable.

  4. Harmonic oscillator model for the helium atom

    E-Print Network [OSTI]

    Carlsen, Martin

    2015-01-01

    A harmonic oscillator model in four dimensions is presented for the helium atom to estimate the distance to the inner and outer electron from the nucleus, the angle between electrons and the energy levels. The method is algebraic and is not based on the choice of correct trial wave function. Three harmonic oscillators and thus three quantum numbers are sufficient to describe the two-electron system. We derive a simple formula for the energy in the general case and in the special case of the Wannier Ridge. For a set of quantum numbers the distance to the electrons and the angle between the electrons are uniquely determined as the intersection between three surfaces. We show that the excited states converge either towards ionization thresholds or towards extreme parallel or antiparallel states and provide an estimate of the ground state energy.

  5. Prolate spheroidal harmonic expansion of gravitational field

    SciTech Connect (OSTI)

    Fukushima, Toshio, E-mail: Toshio.Fukushima@nao.ac.jp [National Astronomical Observatory, Ohsawa, Mitaka, Tokyo 181-8588 (Japan)

    2014-06-01

    As a modification of the oblate spheroidal case, a recursive method is developed to compute the point value and a few low-order derivatives of the prolate spheroidal harmonics of the second kind, Q{sub nm} (y), namely the unnormalized associated Legendre function (ALF) of the second kind with its argument in the domain, 1 < y < ?. They are required in evaluating the prolate spheroidal harmonic expansion of the gravitational field in addition to the point value and the low-order derivatives of P-bar {sub nm}(t), the 4? fully normalized ALF of the first kind with its argument in the domain, |t| ? 1. The new method will be useful in the gravitational field computation of elongated celestial objects.

  6. ${\\cal D}$-deformed harmonic oscillators

    E-Print Network [OSTI]

    F. Bagarello; F. Gargano; D. Volpe

    2014-12-30

    We analyze systematically several deformations arising from two-dimensional harmonic oscillators which can be described in terms of $\\cal{D}$-pseudo bosons. They all give rise to exactly solvable models, described by non self-adjoint hamiltonians whose eigenvalues and eigenvectors can be found adopting the quite general framework of the so-called $\\cal{D}$-pseudo bosons. In particular, we show that several models previously introduced in the literature perfectly fit into this scheme.

  7. Harmon, Illinois: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainableGlynnMassachusetts: EnergySoftware IncHarmon, Illinois: Energy Resources

  8. Dark-matter harmonics beyond annual modulation

    SciTech Connect (OSTI)

    Lee, Samuel K.; Lisanti, Mariangela; Safdi, Benjamin R. E-mail: mlisanti@princeton.edu

    2013-11-01

    The count rate at dark-matter direct-detection experiments should modulate annually due to the motion of the Earth around the Sun. We show that higher-frequency modulations, including daily modulation, are also present and in some cases are nearly as strong as the annual modulation. These higher-order modes are particularly relevant if (i) the dark matter is light, O(10) GeV, (ii) the scattering is inelastic, or (iii) velocity substructure is present; for these cases, the higher-frequency modes are potentially observable at current and ton-scale detectors. We derive simple expressions for the harmonic modes as functions of the astrophysical and geophysical parameters describing the Earth's orbit, using an updated expression for the Earth's velocity that corrects a common error in the literature. For an isotropic halo velocity distribution, certain ratios of the modes are approximately constant as a function of nuclear recoil energy. Anisotropic distributions can also leave observable features in the harmonic spectrum. Consequently, the higher-order harmonic modes are a powerful tool for identifying a potential signal from interactions with the Galactic dark-matter halo.

  9. Electricity Reliability

    E-Print Network [OSTI]

    Post, Wilfred M.

    Electricity Delivery and Energy Reliability High Temperature Superconductivity (HTS) Visualization in the future because they have virtually no resistance to electric current, offering the possibility of new electric power equipment with more energy efficiency and higher capacity than today's systems

  10. Richmond Electric Vehicle Initiative Electric Vehicle Readiness...

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

    Richmond Electric Vehicle Initiative Electric Vehicle Readiness Plan Richmond Electric Vehicle Initiative Electric Vehicle Readiness Plan The REVi plan addresses the electric...

  11. Algal Supply System Design - Harmonized Version

    SciTech Connect (OSTI)

    Abodeely, Jared; Stevens, Daniel; Ray, Allison; Newby, Deborah; Schaller, Kastli

    2013-03-01

    The objective of this design report is to provide an assessment of current technologies used for production, dewatering, and converting microalgae cultivated in open-pond systems to biofuel. The original draft design was created in 2011 and has subsequently been brought into agreement with the DOE harmonized model. The design report extends beyond this harmonized model to discuss some of the challenges with assessing algal production systems, including the ability to (1) quickly assess alternative algal production system designs, (2) assess spatial and temporal variability, and (3) perform large-scale assessments considering multiple scenarios for thousands of potential sites. The Algae Logistics Model (ALM) was developed to address each of these limitations of current modeling efforts to enable assessment of the economic feasibility of algal production systems across the United States. The (ALM) enables (1) dynamic assessments using spatiotemporal conditions, (2) exploration of algal production system design configurations, (3) investigation of algal production system operating assumptions, and (4) trade-off assessments with technology decisions and operating assumptions. The report discusses results from the ALM, which is used to assess the baseline design determined by harmonization efforts between U.S. DOE national laboratories. Productivity and resource assessment data is provided by coupling the ALM with the Biomass Assessment Tool developed at PNNL. This high-fidelity data is dynamically passed to the ALM and used to help better understand the impacts of spatial and temporal constraints on algal production systems by providing a cost for producing extracted algal lipids annually for each potential site.

  12. Numerical Verification of Bounce Harmonic Resonances in Neoclassical...

    Office of Scientific and Technical Information (OSTI)

    Numerical Verification of Bounce Harmonic Resonances in Neoclassical Toroidal Viscosity for Tokamaks Citation Details In-Document Search Title: Numerical Verification of Bounce...

  13. Harmonic analysis of music using combinatory categorial grammar 

    E-Print Network [OSTI]

    Granroth-Wilding, Mark Thomas; Wilding, Mark Thomas Granroth

    2013-11-28

    Various patterns of the organization of Western tonal music exhibit hierarchical structure, among them the harmonic progressions underlying melodies and the metre underlying rhythmic patterns. Recognizing these structures ...

  14. A Massively Parallel Solver for the Mechanical Harmonic Analysis...

    Office of Scientific and Technical Information (OSTI)

    Technical Report: A Massively Parallel Solver for the Mechanical Harmonic Analysis of Accelerator Cavities Citation Details In-Document Search Title: A Massively Parallel Solver...

  15. IEEE IAS Annual Meeting, Oct. 6-10, 1996, San Diego, CA, pp. 2340-2346 Evaluation of Harmonic Suppression Devices

    E-Print Network [OSTI]

    Tolbert, Leon M.

    power supplies and uninterruptible power supplies (UPS's), have strained electrical systems which and uninterruptible power supplies) on a 3-phase, 4-wire 120/208 V system. II. TESTS OF HARMONIC MITIGATION DEVICES A, an active power line conditioner, and an active injection mode filter. These devices were installed

  16. Two dipolar atoms in a harmonic trap

    E-Print Network [OSTI]

    O?dziejewski, Rafa?; Rz??ewski, Kazimierz

    2015-01-01

    Two identical dipolar atoms moving in a harmonic trap without an external magnetic field are investigated. Using the algebra of angular momentum a semi - analytical solutions are found. We show that the internal spin - spin interactions between the atoms couple to the orbital angular momentum causing an analogue of Einstein - de Haas effect. We show a possibility of adiabatically pumping our system from the s-wave to the d-wave relative motion. The effective spin-orbit coupling occurs at anti-crossings of the energy levels.

  17. Harmonic-Oscillator-Based Effective Theory

    E-Print Network [OSTI]

    W. C. Haxton

    2006-08-06

    I describe harmonic-oscillator-based effective theory (HOBET) and explore the extent to which the effects of excluded higher-energy oscillator shells can be represented by a contact-gradient expansion in next-to-next-to-leading order (NNLO). I find the expansion can be very successful provided the energy dependence of the effective interaction, connected with missing long-wavelength physics associated with low-energy breakup channels, is taken into account. I discuss a modification that removes operator mixing from HOBET, simplifying the task of determining the parameters of an NNLO interaction.

  18. Efficient dynamic synchronous machine simulation with harmonics

    SciTech Connect (OSTI)

    Haskew, T.A.; Stern, H.P.; Chen, Z. [Univ. of Alabama, Tuscaloosa, AL (United States). Dept. of Electrical Engineering] [Univ. of Alabama, Tuscaloosa, AL (United States). Dept. of Electrical Engineering

    1996-06-01

    Within this paper, an efficient procedure for the dynamic simulation of faulted synchronous machines operating in the presence of harmonics is presented. The algorithm employs steady-state frequency domain techniques for simulation of the transmission system sequence networks and time domain methods for the synchronous machines represented in the odq frame of reference. The procedure affords greater accuracy than conventional fault analysis techniques based strictly on steady-state methods, yet requires far less computational time than full system dynamic simulations such as those using the EMTP.

  19. A solid-state, harmonic restraint, differential relay for transformer protection 

    E-Print Network [OSTI]

    Lowther, Gary Roger

    1982-01-01

    A SOLID-STATE, HARMONIC RESTRAINT, DIF ERENTIAL RELAY &Y)R TRANSFORMER PROTECTION A Thesis by GARY ROGER I OWTHER Submitted to the Graduate College of Texas ALM University in oartial ulfillment of the requirement for the degree of MASTER... OF SCIENCE May 1982 Ma jor Sub ject: Electrical Engineering A 80LID-STAT:, ;iidl 0RIC R'DTRAI&'!T, RRHTIAL RELAY FOR TR" K~'. :ORYiM PROT':CTIOI&' A Thesis GARY HOG". . R LOATH-'R Approved as to stv1e ann content b r: (Chairman of Committee ) (Head...

  20. Electrical + Engineering

    E-Print Network [OSTI]

    Cafarella, Michael J.

    Electrical + Computer Engineering Electrical + Computer Engineering 2013 PROFILE PEOPLE Faculty Students Electrical Engineering - 330 Computer Engineering - 224 Graduate Students EE and EE:Systems MSE - 301 EE and EE:Systems PhD - 296 Degrees Awarded Electrical Engineering BSE - 123 Computer Engineering

  1. repulsion and quantization in almost-harmonic maps, and asymptotics of the harmonic map flow

    E-Print Network [OSTI]

    Topping, Peter

    .2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 Almost-harmonic maps - the proof of Theorem 1.2 13 2.1 Basic technology Topping #3; Abstract We present an analysis of bounded-energy low-tension maps between 2-spheres, we show that we can establish a `quantization estimate' which constrains the energy of the map to lie

  2. DIRAC-HARMONIC MAPS FROM INDEX THEORY BERND AMMANN AND NICOLAS GINOUX

    E-Print Network [OSTI]

    Ammann, Bernd

    DIRAC-HARMONIC MAPS FROM INDEX THEORY BERND AMMANN AND NICOLAS GINOUX Abstract. We prove existence results for Dirac-harmonic maps using index theoretical tools is a harmonic map. Contents 1. Introduction

  3. Harmonic tori in symmetric spaces and commuting Hamiltonian systems on loop algebras

    E-Print Network [OSTI]

    Harmonic tori in symmetric spaces and commuting Hamiltonian Introduction Background The study of harmonic maps of compact Riemann surfaces into symmetric spaces ca surfaces are (conformal) harmonic maps while constant mean* * curvature surfaces, constant Gauss curvature

  4. Labial Harmonic Shift in Kazakh: Mapping the Pathways and Motivations for Decay

    E-Print Network [OSTI]

    McCollum, Adam G

    2015-01-01

    307 Labial Harmonic Shift in Kazakh: Mapping the Pathwayson Phonology. Labial Harmonic Shift in Kazakh Harrison, K.pp. 603-650. Labial Harmonic Shift in Kazakh Walker, Rachel

  5. Design study of the bending sections between harmonic cascade FEL stages

    E-Print Network [OSTI]

    Wan, Weishi; Corlett, John; Fawley, William; Zholents, A.

    2004-01-01

    A XUV/Soft X-Ray Harmonic- Cascade FEL for the Proposed LBNLin a Cascaded Harmonic FEL CBP Tech Note-281, Februarybetween Harmonic Cascade FEL Stages W. Wan, J. Corlett, W.

  6. Partition Function of the Harmonic Oscillator on a Noncommutative Plane

    E-Print Network [OSTI]

    I. Jabbari; A. Jahan; Z. Riazi

    2015-07-07

    We derive the partition function of the one-body and two-body systems of classical noncommutative harmonic oscillator in two dimensions. Then, we employ the path integral approach to the quantum noncommutative harmonic oscillator and derive the partition function of the both systems at finite temperature.

  7. Fourier's Law for a Harmonic Crystal with Selfconsistent Stochastic Reservoirs

    E-Print Network [OSTI]

    Roma "La Sapienza", Università di

    Fourier's Law for a Harmonic Crystal with Self­consistent Stochastic Reservoirs Federico Bonetto. The corresponding heat cur­ rent satisfies Fourier's law with a finite positive thermal conductivity which can also words: Fourier's law; harmonic crystal; non­equilibrium systems; ther­ modynamic limit; Green

  8. Second-harmonic generation in nonlinear left-handed metamaterials

    E-Print Network [OSTI]

    Second-harmonic generation in nonlinear left-handed metamaterials Ilya V. Shadrivov, Alexander A August 21, 2005 We study the second-harmonic generation (SHG) in left-handed metamaterials that this novel parametric process can convert a surface of the left-handed metamaterial into an effective mirror

  9. Enhancing tidal harmonic analysis: Robust (hybrid L1 ) solutions

    E-Print Network [OSTI]

    Hickey, Barbara

    Enhancing tidal harmonic analysis: Robust (hybrid L1 =L2 ) solutions Keith E. Leffler Ã, David A 24 February 2008 Accepted 28 April 2008 Keywords: Tides Tidal analysis Harmonic analysis Robust is calculated from the power spectrum of the residual, a calculation that filters broad spectrum noise

  10. Second harmonic electromagnetic emission via Langmuir wave coalescence

    E-Print Network [OSTI]

    Melrose, Don

    constraints.8 The theory of nonlinear three-wave processes to explain fundamental and second harmonic emissionSecond harmonic electromagnetic emission via Langmuir wave coalescence A. J. Willes, P. A. Robinson 1995 The coalescence of Langmuir waves to produce electromagnetic waves at twice the plasma frequency

  11. Harmonic Volumetric Mapping for Solid Modeling Applications Xiaohu Guo

    E-Print Network [OSTI]

    Li, Xin "Shane"

    Harmonic Volumetric Mapping for Solid Modeling Applications Xin Li SBU Xiaohu Guo UT Dallas Hongyu volumetric mapping from a solid polycube model(a) to the solid Buddha model(b). (c) is the color with corresponding cross-sections in (f) and (h), respectively. Abstract Harmonic volumetric mapping for two solid

  12. Relativistic harmonic oscillator model for quark stars

    E-Print Network [OSTI]

    Vishnu M. Bannur

    2008-10-06

    The relativistic harmonic oscillator (RHO) model of hadrons is used to study quark stars. The mass-radius relationship is obtained and compared with bag model of quark star, using Tolman-Oppenheimer-Volkoff equation. In this model, the outward degenerate pressure due to discrete Landau levels and Landau degeneracy balances the inward gravitational pressure. Where as in bag model the degenerate pressure is due to the standard continuum levels which balances the combined inward pressure due to gravitation and bag pressure. So in RHO model, the confinement effect is included in the degenerate pressure. We found a qualitative similarity, but quantitative differences in mass-radius relationship of quark stars in these two models. Masses and radii are relatively larger and the central energy densities, required for stable quark stars, are lower in RHO model than that of bag model.

  13. Southeast Colorado Power Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing Capacity forSiliciumEnergyHouston,Windsor,Southchase, Florida:BioDiesel

  14. Pella Cooperative Elec Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc Jump to:Newberg,Energy LLC Jump to:3 ofAltos delValley El PwrPekingPella

  15. Stearns Cooperative Elec Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EA EIS ReportEurope GmbHSoloPageBefore the SenateHills

  16. GREEN'S FUNCTIONS, ELECTRIC NETWORKS, AND THE GEOMETRY OF HYPERBOLIC RIEMANN SURFACES

    E-Print Network [OSTI]

    generated fundamental group and infinite volume, Green's function g(·, q) exists on X--i.e. g is harmonicGREEN'S FUNCTIONS, ELECTRIC NETWORKS, AND THE GEOMETRY OF HYPERBOLIC RIEMANN SURFACES Jeffrey an electric network with the surface and studying a discrete problem on the network. Our goal in this paper

  17. Adaptive Phase Adjustment Synchronization Method for Source Voltage Distortion in Electric Ship

    E-Print Network [OSTI]

    Lehman, Brad

    of Electrical & Computer Engineering Mississippi State University Abstract - In any distributed power system such as aeroplanes, vehicles and electric ships. Due to the extensive use of devices with power electronics, there has been deterioration of power quality due to harmonic distortion observed in voltage and current

  18. Electric dipole polarizability: from few- to many-body systems

    E-Print Network [OSTI]

    Miorelli, Mirko; Barnea, Nir; Hagen, Gaute; Orlandini, Giuseppina; Papenbrock, Thomas

    2015-01-01

    We review the Lorentz integral transform coupled-cluster method for the calculation of the electric dipole polarizability. We benchmark our results with exact hyperspherical harmonics calculations for 4He and then we move to a heavier nucleus studying 16O. We observe that the implemented chiral nucleon-nucleon interaction at next-to-next-to-next-to-leading order underestimates the electric dipole polarizability.

  19. Harmonic Superspace Gaugeon Formalism for the ABJM Theory

    E-Print Network [OSTI]

    Mir Faizal

    2012-07-12

    In this paper we will analyse the ABJM theory in harmonic superspace. The harmonic superspace variables will be parameterized by the coset $SU(2)/U(1)$ and thus will have manifest $\\mathcal{N} =3$ supersymmetry. We will study the quantum gauge transformations and the BRST transformations of this theory in gaugeon formalism. We will use this BRST symmetry to project out the physical sub-space from the total Hilbert space. We will also show that the evolution of the $\\mathcal{S}$-matrix is unitary for this ABJM theory in harmonic superspace.

  20. Noble Gas Clusters and Nanoplasmas in High Harmonic Generation

    E-Print Network [OSTI]

    Aladi, M; Rácz, P; Földes, I B

    2015-01-01

    We report a study of high harmonic generation from noble gas clusters of xenon atoms in a gas jet. Harmonic spectra were investigated as a function of backing pressure, showing spectral shifts due to the nanoplasma electrons in the clusters. At certain value of laser intensity this process may oppose the effect of the well-known ionization-induced blueshift. In addition, these cluster-induced harmonic redshifts may give the possibility to estimate cluster density and cluster size in the laser-gas jet interaction range.

  1. Generalized Harmonic Equations in 3+1 Form

    E-Print Network [OSTI]

    J. David Brown

    2011-11-29

    The generalized harmonic equations of general relativity are written in 3+1 form. The result is a system of partial differential equations with first order time and second order space derivatives for the spatial metric, extrinsic curvature, lapse function and shift vector, plus fields that represent the time derivatives of the lapse and shift. This allows for a direct comparison between the generalized harmonic and the Arnowitt-Deser-Misner formulations. The 3+1 generalized harmonic equations are also written in terms of conformal variables and compared to the Baumgarte-Shapiro-Shibata-Nakamura equations with moving puncture gauge conditions.

  2. High order harmonic generation in dual gas multi-jets

    SciTech Connect (OSTI)

    Tosa, Valer E-mail: calin.hojbota@itim-cj.ro; Hojbota, Calin E-mail: calin.hojbota@itim-cj.ro

    2013-11-13

    High order harmonic generation (HHG) in gas media suffers from a low conversion efficiency that has its origins in the interaction of the atom/molecule with the laser field. Phase matching is the main way to enhance the harmonic flux and several solutions have been designed to achieve it. Here we present numerical results modeling HHG in a system of multi-jets in which two gases alternate: the first gas jet (for example Ne) generates harmonics and the second one which ionizes easier, recover the phase matching condition. We obtain configurations which are experimentally feasible with respect to pressures and dimensions of the jets.

  3. A double-beam magnetron-injection gun for third-harmonic continuous wave 1-THz gyrotron

    SciTech Connect (OSTI)

    Glyavin, M.; Institute of Applied Physics of the Russian Academy of Sciences , Nizhny Novgorod 603600; Research Center for Development of Far Infrared Region, University of Fukui , Fukui-shi 910-8507 ; Manuilov, V.; Research Center for Development of Far Infrared Region, University of Fukui , Fukui-shi 910-8507 ; Idehara, T.

    2013-12-15

    The concept of a continuous wave 1-kW/1-THz gyrotron operated at the third cyclotron harmonic of the transverse electric TE{sub 9,7} operating mode has been developed. To suppress the mode competition effects in a terahertz gyrotron, we propose a scheme with two generating helical electron beams (HEBs) formed in a double-beam triode magnetron-injection gun (MIG), where both emitters of the electron beams are located on a common cathode of the conventional MIG. An optimal geometry of the MIG electrodes is found. It is shown that in a proposed scheme two HEBs having close pitch factors and a moderate velocity spread can be formed. This makes them suitable for high-efficiency single-mode generation in the high frequency gyrotron at high harmonic.

  4. Harmonic Load Pull of High-Power Microwave Devices using Fundamental-Only Load Pull Tuners

    E-Print Network [OSTI]

    Popovic, Zoya

    Harmonic Load Pull of High-Power Microwave Devices using Fundamental-Only Load Pull Tuners John-frequency load pull tuners. Harmonic impedance control at the virtual drain is accomplished through the use the dramatic impact of varying 2nd harmonic termination. A 3rd harmonic termination is added to satisfy

  5. Eastern Maine Electric Coop | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar2-0057-EA Jump to:of the NationalDynetek EuropeEPG|Elec Pwr Assn JumpMaine

  6. Pedernales Electric Coop, Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc Jump to:Newberg,Energy LLC Jump to:3 ofAltos delValley El Pwr Assn Jump

  7. Harmonic Image Reconstruction Assisted by a Nonlinear Metmaterial Surface

    E-Print Network [OSTI]

    Wang, Zhiyu

    We experimentally demonstrate a microwave far-field image reconstruction modality with the transverse resolution exceeding the diffraction limit by using a single layer of highly nonlinear metamaterial. The harmonic fields ...

  8. Classification of Certain Compact Riemannian Manifolds with Harmonic Curvature a...

    E-Print Network [OSTI]

    Derdzinski, Andrzej

    Classification of Certain Compact Riemannian Manifolds with Harmonic Curvature a... Derdzinski and University Library provides access to digitized documents strictly for noncommercial educational, research) requires prior written permission from the Goettingen State- and University Library. Each copy of any part

  9. The Globally Harmonized System for Hazard Communication (GHS)

    E-Print Network [OSTI]

    Capogna, Luca

    The Globally Harmonized System for Hazard Communication (GHS) University of Arkansas Facilities groups. · GHS is based on major existing systems around the world, including OSHA's Hazard Communication to hazard communication, providing agreed upon criteria for classification of chemical hazards

  10. Conversion efficiency, scaling and global optimization of high harmonic generation

    E-Print Network [OSTI]

    Falcao-Filho, Edilson L.

    Closed form expressions for the high harmonic generation (HHG) conversion efficiency in the plateau and cut-off region are derived showing agreement with previous observations. Application of these results to optimal ...

  11. Variable Frequency Motor Drives: Harmonics, Power Factor, and Energy Efficiency 

    E-Print Network [OSTI]

    Massey, G. W.

    1997-01-01

    harmonics and power factor. NOTE: The views expressed in this paper do not necessarily represent the views of the United States of America, the U.S. Department of Justice, or the Federal Bureau of Prisons....

  12. Electric Vehicles

    ScienceCinema (OSTI)

    Ozpineci, Burak

    2014-07-23

    Burak Ozpineci sees a future where electric vehicles charge while we drive them down the road, thanks in part to research under way at ORNL.

  13. Electric Vehicles

    SciTech Connect (OSTI)

    Ozpineci, Burak

    2014-05-02

    Burak Ozpineci sees a future where electric vehicles charge while we drive them down the road, thanks in part to research under way at ORNL.

  14. Harmonic generation of gravitational wave induced Alfven waves

    E-Print Network [OSTI]

    Mats Forsberg; Gert Brodin

    2007-11-26

    Here we consider the nonlinear evolution of Alfven waves that have been excited by gravitational waves from merging binary pulsars. We derive a wave equation for strongly nonlinear and dispersive Alfven waves. Due to the weak dispersion of the Alfven waves, significant wave steepening can occur, which in turn implies strong harmonic generation. We find that the harmonic generation is saturated due to dispersive effects, and use this to estimate the resulting spectrum. Finally we discuss the possibility of observing the above process.

  15. Action Principle for the Generalized Harmonic Formulation of General Relativity

    E-Print Network [OSTI]

    J. David Brown

    2011-09-07

    An action principle for the generalized harmonic formulation of general relativity is presented. The action is a functional of the spacetime metric and the gauge source vector. An action principle for the Z4 formulation of general relativity has been proposed recently by Bona, Bona--Casas and Palenzuela (BBP). The relationship between the generalized harmonic action and the BBP action is discussed in detail.

  16. Wind LCA Harmonization (Fact Sheet), NREL (National Renewable Energy Laboratory)

    SciTech Connect (OSTI)

    Not Available

    2013-06-01

    NREL recently led the Life Cycle Assessment (LCA) Harmonization Project, a study that provides more exact estimates of GHG emissions for renewable and conventional generation, clarifying inconsistent and conflicting estimates in the published literature, and reducing uncertainty. This involved a systematic review and harmonization of life cycle assessment (LCA) literature of utility-scale wind power systems in order to determine the causes of life cycle greenhouse gases (GHG) emissions and, where possible, reduce variability in GHG estimates.

  17. Harmonic lattice behavior of two-dimensional colloidal crystals

    E-Print Network [OSTI]

    P. Keim; G. Maret; U. Herz; H. H. von Grünberg

    2004-02-17

    Using positional data from video-microscopy and applying the equipartition theorem for harmonic Hamiltonians, we determine the wave-vector-dependent normal mode spring constants of a two-dimensional colloidal model crystal and compare the measured band-structure to predictions of the harmonic lattice theory. We find good agreement for both the transversal and the longitudinal mode. For $q\\to 0$, the measured spring constants are consistent with the elastic moduli of the crystal.

  18. Electric machine

    DOE Patents [OSTI]

    El-Refaie, Ayman Mohamed Fawzi (Niskayuna, NY); Reddy, Patel Bhageerath (Madison, WI)

    2012-07-17

    An interior permanent magnet electric machine is disclosed. The interior permanent magnet electric machine comprises a rotor comprising a plurality of radially placed magnets each having a proximal end and a distal end, wherein each magnet comprises a plurality of magnetic segments and at least one magnetic segment towards the distal end comprises a high resistivity magnetic material.

  19. The Harmonic Oscillator and the Uncertainty Principle In atomic units the wave function in coordinate space for an harmonic oscillator with reduced mass, ,

    E-Print Network [OSTI]

    Rioux, Frank

    The Harmonic Oscillator and the Uncertainty Principle In atomic units the wave function in coordinate space for an harmonic oscillator with reduced mass, , equal to one and force constant k is given occurs in the simple harmonic oscillator. The classical turning point is that position at which the total

  20. Numerical Analysis of Fifth-Harmonic Conversion of Low-Power Pulsed Nd:YAG Laser with Resonance of Second Harmonic

    E-Print Network [OSTI]

    Kung, Andy

    Numerical Analysis of Fifth-Harmonic Conversion of Low-Power Pulsed Nd:YAG Laser with Resonance of Second Harmonic Lien-Bee CHANG1Ã , S. C. WANG1 and A. H. KUNG1;2 1 Institute of Electro March 13, 2003) A model for the fifth-harmonic generation of pulsed IR lasers involving an external ring

  1. Brain Surface Conformal Mapping and Brain VolumetricBrain Surface Conformal Mapping and Brain Volumetric Harmonic Map withHarmonic Map with VariationalVariational MethodsMethods

    E-Print Network [OSTI]

    Brain Surface Conformal Mapping and Brain VolumetricBrain Surface Conformal Mapping and Brain Volumetric Harmonic Map withHarmonic Map with VariationalVariational MethodsMethods YalinYalin WangWang11 to the cortical surface matching problem. We further extended the algorithm to find a 3D volumetric harmonic map

  2. Electrical connector

    DOE Patents [OSTI]

    Dilliner, Jennifer L.; Baker, Thomas M.; Akasam, Sivaprasad; Hoff, Brian D.

    2006-11-21

    An electrical connector includes a female component having one or more receptacles, a first test receptacle, and a second test receptacle. The electrical connector also includes a male component having one or more terminals configured to engage the one or more receptacles, a first test pin configured to engage the first test receptacle, and a second test pin configured to engage the second test receptacle. The first test receptacle is electrically connected to the second test receptacle, and at least one of the first test pin and the second test pin is shorter in length than the one or more terminals.

  3. Analysis and design of six and twelve pulse diode rectifier systems under voltage unbalance/distortion and some new methods to reduce input current harmonics 

    E-Print Network [OSTI]

    Rendusara, Dudi Abdullah

    1995-01-01

    ANALYSIS AND DESIGN OF SIX AND TWELVE PULSE DIODE RECTIFIER SYSTEMS UNDER VOLTAGE UNBALANCE/DISTORTION AND SOME NEW METHODS TO REDUCE INPUT CURRENT HARMONICS A Thesis by DUDI ABDULLAH RENDUSARA Submitted to the Office of Graduate Studies... of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE August 1995 Major Subject: Electrical Engineering ANALYSIS AND DESIGN OF SIX AND TWELVE PULSE DIODE RECTIFIER SYSTEMS UNDER VOLTAGE UNBALANCE...

  4. electrical, engineering

    E-Print Network [OSTI]

    school of electrical, computer and energy engineering Annual Report 2012-2013 Breaking the final systems engineering Marco Santello, School Director enrollment 930 undergraduate 771 graduate 159 DEGREE PROGRAM biomedical engineering (Harrington Bioengineering program) school of computing, informatics

  5. Electrical, Engineering

    E-Print Network [OSTI]

    School of Electrical, Computer and Energy Engineering 2009-2010 Annual Report #12;Organizational Structure for Ira A. Fulton Schools of Engineering Schools (Director) Lead These Engineering Undergraduate Degree Programs Coordinate Across Engineering for These Grand Challenge Areas... Biological & Health

  6. Engineering Electrical &

    E-Print Network [OSTI]

    Hickman, Mark

    Computer Engineering Electrical & Electronic Engineering Mechatronics Engineering Mechanical Engineering Civil Engineering Natural Resources Engineering Forest Engineering Chemical & Process Engineering ELECTIVE 2 Required Engineering Intermediate Year 2011 Eight Required Courses Chart: 120 points College

  7. Engineering Electrical &

    E-Print Network [OSTI]

    Hickman, Mark

    Computer Engineering Electrical & Electronic Engineering Mechatronics Engineering Mechanical Engineering Civil Engineering Natural Resources Engineering Forest Engineering Chemical & Process Engineering ELECTIVE 2 Required Engineering Intermediate Year 2012 Eight Required Courses Chart: 120 points College

  8. Efficiency enhancement of a harmonic lasing free-electron laser

    SciTech Connect (OSTI)

    Salehi, E.; Maraghechi, B.; Mirian, N. S.

    2015-03-15

    The harmonic lasing free-electron laser amplifier, in which two wigglers is employed in order for the fundamental resonance of the second wiggler to coincide with the third harmonic of the first wiggler to generate ultraviolet radiation, is studied. A set of coupled nonlinear first-order differential equations describing the nonlinear evolution of the system, for a long electron bunch, is solved numerically by CYRUS code. Solutions for the non-averaged and averaged equations are compared. Remarkable agreement is found between the averaged and non-averaged simulations for the evolution of the third harmonic. Thermal effects in the form of longitudinal velocity spread are also investigated. For efficiency enhancement, the second wiggler field is set to decrease linearly and nonlinearly at the point where the radiation of the third harmonic saturates. The optimum starting point and the slope of the tapering of the amplitude of the wiggler are found by a successive run of the code. It is found that tapering can increase the saturated power of the third harmonic considerably. In order to reduce the length of the wiggler, the prebunched electron beam is considered.

  9. Electric generator

    DOE Patents [OSTI]

    Foster, Jr., John S. (Pleasanton, CA); Wilson, James R. (Livermore, CA); McDonald, Jr., Charles A. (Danville, CA)

    1983-01-01

    1. In an electrical energy generator, the combination comprising a first elongated annular electrical current conductor having at least one bare surface extending longitudinally and facing radially inwards therein, a second elongated annular electrical current conductor disposed coaxially within said first conductor and having an outer bare surface area extending longitudinally and facing said bare surface of said first conductor, the contiguous coaxial areas of said first and second conductors defining an inductive element, means for applying an electrical current to at least one of said conductors for generating a magnetic field encompassing said inductive element, and explosive charge means disposed concentrically with respect to said conductors including at least the area of said inductive element, said explosive charge means including means disposed to initiate an explosive wave front in said explosive advancing longitudinally along said inductive element, said wave front being effective to progressively deform at least one of said conductors to bring said bare surfaces thereof into electrically conductive contact to progressively reduce the inductance of the inductive element defined by said conductors and transferring explosive energy to said magnetic field effective to generate an electrical potential between undeformed portions of said conductors ahead of said explosive wave front.

  10. Harmonic entanglement in a degenerate parametric down conversion

    E-Print Network [OSTI]

    Sintayehu Tesfa

    2007-07-25

    We study the harmonic entanglement and squeezing in a two-mode radiation produced in a degenerate parametric down conversion process coupled to a two-mode vacuum reservoir employing the linearization procedure. It is found that there is a quadrature entanglement between the harmonically related fundamental and second-harmonic modes and the superimposed radiation exhibits a significant two-mode squeezing. The entanglement exits even when there is no two-mode squeezing, since the correlation leading to these phenomena are essentially different. In addition, the more the external coherent light is down converted, the more stronger the entanglement and mean photon number of the two-mode radiation would be which is not generally true for squeezing.

  11. Flow harmonics within an analytically solvable viscous hydrodynamic model

    E-Print Network [OSTI]

    Yoshitaka Hatta; Jorge Noronha; Giorgio Torrieri; Bo-Wen Xiao

    2014-10-01

    Based on a viscous hydrodynamic model with anisotropically perturbed Gubser flow and isothermal Cooper-Frye freezeout at early times, we analytically compute the flow harmonics $v_n(p_T)$ and study how they scale with the harmonic number $n$ and transverse momentum, as well as the system size, shear and bulk viscosity coefficients, and collision energy. In particular, we find that the magnitude of shear viscous corrections grows linearly with $n$. The mixing between different harmonics is also discussed. While this model is rather simple as compared to realistic heavy-ion collisions, we argue that the scaling results presented here may be meaningfully compared to experimental data collected over many energies, system sizes, and geometries.

  12. Harmonic Oscillator on the ${\\rm SO}(2,2)$ Hyperboloid

    E-Print Network [OSTI]

    Davit R. Petrosyan; George S. Pogosyan

    2015-11-25

    In the present work the classical problem of harmonic oscillator in the hyperbolic space $H_2^2$: $z_0^2+z_1^2-z_2^2-z_3^2=R^2$ has been completely solved in framework of Hamilton-Jacobi equation. We have shown that the harmonic oscillator on $H_2^2$, as in the other spaces with constant curvature, is exactly solvable and belongs to the class of maximally superintegrable system. We have proved that all the bounded classical trajectories are closed and periodic. The orbits of motion are ellipses or circles for bounded motion and ultraellipses or equidistant curve for infinite ones.

  13. Harmonic analysis on a galois field and its subfields

    E-Print Network [OSTI]

    A. Vourdas

    2006-10-17

    Complex functions $\\chi (m)$ where $m$ belongs to a Galois field $GF(p^ \\ell)$, are considered. Fourier transforms, displacements in the $GF(p^ \\ell) \\times GF(p^ \\ell)$ phase space and symplectic $Sp(2,GF(p^ \\ell))$ transforms of these functions are studied. It is shown that the formalism inherits many features from the theory of Galois fields. For example, Frobenius transformations are defined which leave fixed all functions $h(n)$ where $n$ belongs to a subfield $GF(p^ d)$ of the $GF(p^ \\ell)$. The relationship between harmonic analysis (or quantum mechanics) on $GF(p^ \\ell)$ and harmonic analysis on its subfields, is studied.

  14. Harmonic mean, the Gamma factor and Speed of Light

    E-Print Network [OSTI]

    Chandru Iyer

    2008-11-17

    The relationship between the harmonic mean and special relativity is concisely elucidated. The arguments in favor and against SRT are explored. It is shown that the ratio of the speed of light to the harmonic mean of the onward and return speeds of light in a moving frame under Newtonian mechanics, when equitably distributed between space and time as a correction, leads to the Lorentz transformation. This correction implies an apparent contraction of objects and time dilation. However, the symmetry of the onward and inverse transformations give a different meaning to the gamma factor

  15. On the harmonic oscillator properties in a twisted Moyal plane

    E-Print Network [OSTI]

    Ezinvi Baloitcha; Mahouton Norbert Hounkonnou; Dine Ousmane Samary

    2012-03-25

    This work prolongs, using an operator method, the investigations started in our recent paper J. Math. Phys. 51., 102108 on the spectrum and states of the harmonic oscillator on twisted Moyal plane, where rather a Moyal-star-algebraic approach was used. The physical spectrum and states of the harmonic oscillator on twisted Moyal space, obtained here by solving the corresponding differential equation, are similar to those of the ordinary Moyal space, with different parameters. This fortunately contrasts with the previous study which produced unexpected results, i.e. infinitely degenerate states with energies depending on the coordinate functions.

  16. Harmonic and interharmonic distortion modeling in multiconverter systems

    SciTech Connect (OSTI)

    Carbone, R.; Morrison, R.E.; Testa, A.; Menniti, D.

    1995-07-01

    The problem of modeling multiconverter systems in presence of harmonic and interharmonic distortion is considered. Specifically, current source rectifiers are considered as distortion sources some supply d.c. motors and the remaining supplying inverters feeding a.c. machines. The classical analogue, frequency domain and time domain models proposed in the literature to study harmonic distortion in a multiconverter system are considered and for each model suitable extension to include the interharmonic distortion are presented and critically analyzed. The results of several experiments are reported to show the usefulness and to compare the accuracy of the different extensions considered.

  17. Second-harmonic generation from hyperbolic plasmonic nanorod metamaterial slab

    E-Print Network [OSTI]

    Marino, Giuseppe; Krasavin, Alexey V; Ginzburg, Pavel; Olivier, Nicolas; Wurtz, Gregory A; Zayats, Anatoly V

    2015-01-01

    Hyperbolic plasmonic metamaterials provide numerous opportunities for designing unusual linear and nonlinear optical properties. We show that the modal overlap of fundamental and second-harmonic light in an anisotropic plasmonic metamaterial slab results in the broadband enhancement of radiated second-harmonic intensity by up to 2 and 11 orders of magnitudes for TM- and TE-polarized fundamental light, respectively, compared to a smooth Au film under TM-polarised illumination. The results open up possibilities to design tuneable frequency-doubling metamaterial with the goal to overcome limitations associated with classical phase matching conditions in thick nonlinear crystals.

  18. The progress in developing superconducting third harmonic cavity

    SciTech Connect (OSTI)

    Solyak, Nikolay; Edwards, Helen; Foley, Mike; Gonin, Ivan; Harms, Elvin; Khabiboulline, Timergali; Mitchell, Donald; Olis, Daniel; Rowe, Allan; /Fermilab

    2006-06-01

    The XFEL and TTF facilities are planning to use section with a few third harmonic cavities (3.9GHz) upstream of the bunch compressor to improve beam performance [1-2]. Fermilab is developing superconducting third harmonic section for the TTFII upgrade. This section will include four cavities equipped with couplers and blade tuners installed in cryostat. Up to now, two cavities are complete and one of them is under test. The status of the cavity development and preliminary test results are presented in this paper.

  19. Nonlinear Trivelpiece--Gould waves: Recurrence, harmonic cascade, and sidebands

    SciTech Connect (OSTI)

    Cabral, J.A.C.; Lapao, L.M.; Mendonca, J.T. )

    1993-03-01

    A theoretical and experimental study of Trivelpiece--Gould waves propagating in a magnetized plasma column is presented in this paper. In the experiments, these waves are excited by a radio frequency (rf) source, which also serves to create the plasma. Observation of nonlinear effects includes space and time recurrence effects, a wave spectrum containing a large number (up to 25) harmonics, and low-frequency sidebands. The theoretical model explains the recurrence effects as a consequence of multiple nonlinear interactions between the fundamental wave and its harmonics. A good agreement is found between theory and the experiments.

  20. High-order harmonic generation in a capillary discharge

    DOE Patents [OSTI]

    Rocca, Jorge J.; Kapteyn, Henry C.; Mumane, Margaret M.; Gaudiosi, David; Grisham, Michael E.; Popmintchev, Tenio V.; Reagan, Brendan A.

    2010-06-01

    A pre-ionized medium created by a capillary discharge results in more efficient use of laser energy in high-order harmonic generation (HHG) from ions. It extends the cutoff photon energy, and reduces the distortion of the laser pulse as it propagates down the waveguide. The observed enhancements result from a combination of reduced ionization energy loss and reduced ionization-induced defocusing of the driving laser as well as waveguiding of the driving laser pulse. The discharge plasma also provides a means to spectrally tune the harmonics by tailoring the initial level of ionization of the medium.

  1. Electrically powered hand tool

    DOE Patents [OSTI]

    Myers, Kurt S.; Reed, Teddy R.

    2007-01-16

    An electrically powered hand tool is described and which includes a three phase electrical motor having a plurality of poles; an electrical motor drive electrically coupled with the three phase electrical motor; and a source of electrical power which is converted to greater than about 208 volts three-phase and which is electrically coupled with the electrical motor drive.

  2. NREL: Energy Analysis - Life Cycle Assessment Harmonization Results...

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

    Results and Findings Life Cycle Greenhouse Gas Emissions from Electricity Generation (Factsheet) Cover of the Life Cycle Greenhouse Gas Emissions from Electricity...

  3. High-harmonic XUV source for time- and angle-resolved photoemission...

    Office of Scientific and Technical Information (OSTI)

    High-harmonic XUV source for time- and angle-resolved photoemission spectroscopy Citation Details In-Document Search Title: High-harmonic XUV source for time- and angle-resolved...

  4. Ultrasensitive Optical Shape Characterization of Gold Nanoantennas Using Second Harmonic Generation

    E-Print Network [OSTI]

    Dalang, Robert C.

    Ultrasensitive Optical Shape Characterization of Gold Nanoantennas Using Second Harmonic Generation for the sensitive optical characterization of plasmonic nanostructures. Furthermore, defects located where on the second harmonic signal. KEYWORDS: Plasmonics, nonlinear optics, surface integral formulation, realistic

  5. Wideband phased array antennas and compact, harmonic-suppressed microstrip filters 

    E-Print Network [OSTI]

    Tu, Wen-Hua

    2009-05-15

    . Since the electromagnetic spectrum is limited and has to be shared, interference is getting serious as more and more wireless applications emerge. Filters are key components to prevent harmonic interference. The harmonic signals can be suppressed...

  6. Progress in Large Period Multilayer Coatings for High Harmonic and Solar Applications

    E-Print Network [OSTI]

    Aquila, Andrew

    2008-01-01

    large period multilayer coatings for high harmonic and solarBerkeley, CA 94720 Multilayer coatings for normal incidence

  7. Energy transport by acoustic modes of harmonic Lisa Harris

    E-Print Network [OSTI]

    Theil, Florian

    Energy transport by acoustic modes of harmonic lattices Lisa Harris , Jani Lukkarinen , Stefan vector, k = 0. To derive equations that describe the macroscopic energy transport we introduce the Wigner concentrating to k = 0. A simple consequence of our result is the complete characterization of energy transport

  8. A superintegrable discrete harmonic oscillator based on bivariate Charlier polynomials

    E-Print Network [OSTI]

    Vincent X. Genest; Hiroshi Miki; Luc Vinet; Guofu Yu

    2015-11-30

    A simple discrete model of the two dimensional isotropic harmonic oscillator is presented. It is superintegrable with su(2) as its symmetry algebra. It is constructed with the help of the algebraic properties of the bivariate Charlier polyno-mials. This adds to the other discrete superintegrable models of the oscillator based on Krawtchouk and Meixner orthogonal polynomials in several variables.

  9. Harmonic analysis of the Ha velocity field of NGC 4254

    E-Print Network [OSTI]

    Laurent Chemin; Olivier Hernandez; Chantal Balkowski; Claude Carignan; Philippe Amram

    2005-12-20

    The ionized gas kinematics of the Virgo Cluster galaxy NGC 4254 (Messier 99) is analyzed by an harmonic decomposition of the velocity field into Fourier coefficients. The aims of this study are to measure the kinematical asymmetries of Virgo cluster galaxies and to connect them to the environment. The analysis reveals significant $m=1,2,4$ terms which origins are discussed.

  10. On the harmonic oscillator realisation of q-oscillators

    E-Print Network [OSTI]

    D. Gangopadhyay; A. P. Isaev

    2007-01-05

    The general version of the bosonic harmonic oscillator realisation of bosonic q-oscillators is given. It is shown that the currently known realisation is a special case of our general solution. The investigation has been performed at the Laboratory of theoretical Physics,JINR.

  11. Linear harmonic oscillator in spaces with degenerate metrics

    E-Print Network [OSTI]

    N. A. Gromov

    2006-03-02

    With the help of contraction method we study the harmonic oscillator in spaces with degenerate metrics, namely, on Galilei plane and in the flat 3D Cayley-Klein spaces $R_3(j_2,j_3).$ It is shown that the inner degrees of freedom are appeared which physical dimensions are different from the dimension of the space.

  12. Dynamics of an Open System for Repeated Harmonic Perturbation

    E-Print Network [OSTI]

    Hiroshi Tamura; Valentin A. Zagrebnov

    2015-06-18

    We use the Kossakowski-Lindblad-Davies formalism to consider an open system defined as the Markovian extension of one-mode quantum oscillator S, perturbed by a piecewise stationary harmonic interaction with a chain of oscillators C. The long-time asymptotic behaviour of various subsystems of S+C are obtained in the framework of the dual W-dynamical system approach.

  13. Strong Second Harmonic Generation from the Tantalum Thioarsenates...

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

    Strong Second Harmonic Generation from the Tantalum Thioarsenates A3Ta2AsS11 (A K and Rb) Home Author: T.K. Bera, J.I. Jang, J.B. Ketterson, M.G. Kanatzidis Year: 2009 Abstract:...

  14. Harmonic Superfields in N=4 Supersymmetric Quantum Mechanics

    E-Print Network [OSTI]

    Evgeny A. Ivanov

    2011-02-11

    This is a brief survey of applications of the harmonic superspace methods to the models of N=4 supersymmetric quantum mechanics (SQM). The main focus is on a recent progress in constructing SQM models with couplings to the background non-Abelian gauge fields. Besides reviewing and systemizing the relevant results, we present some new examples and make clarifying comments.

  15. Response of turbulent premixed flames to harmonic acoustic forcing

    E-Print Network [OSTI]

    Lieuwen, Timothy C.

    for land- based gas turbines, future aircraft engines, industrial heaters and boilers rely on premixed 1540 2006 The Combustion Institute. Published by Elsevier Inc. All rights reserved. Keywords: Flame area to a harmonic disturbance of given amplitude depends upon turbulence intensity. Low emissions combustion systems

  16. A computational introduction to quantum statistics using harmonically trapped particles

    E-Print Network [OSTI]

    Ligare, Martin

    and multiplicities. The examples illustrate the effect of quantum statistics on the sharing of energy between weaklyA computational introduction to quantum statistics using harmonically trapped particles Martin the statistical definition of entropy and the second law of thermodynamics [Am. J. Phys. 65, 26 (1997)]. I

  17. HHFW (High Harmonic Fast Wave) Eddy Current Analysis for Antenna

    E-Print Network [OSTI]

    Princeton Plasma Physics Laboratory

    1 NSTX HHFW (High Harmonic Fast Wave) Eddy Current Analysis for Antenna NSTX-CALC-24-03-01 June 1 performed.) The model was first built for NSTX to verify the eddy current effect on antenna during plasma force of the induced eddy current in the components. The force data was transferred to the structural

  18. -okfl ^ ORNL/CON-172 Linear Harmonic Analysis of Free-

    E-Print Network [OSTI]

    Oak Ridge National Laboratory

    Stirling Engines N. C. J. Chen F. P. Griffin OPERATED BY MARTIN MARIETTA ENERGY SYSTEMS, INC. #12;ORNL/CON-172 Engineering Technology Division* LINEAR HARMONIC ANALYSIS OF FREE-PISTON STIRLING/dynamic problem that is associated with a free-piston Stirling engine (FPSE). The governing equations

  19. Master / PhD Project Resonatorassisted high harmonic generation

    E-Print Network [OSTI]

    Hänsch, Theodor W.

    Master / PhD Project Resonatorassisted high harmonic generation with spatially tailored driving+ at low temperatures and on the generation and charac terization of an XUV frequency comb source suitable comb experiments: The XUV frequency comb is generated through extremely nonlinear conversion (high

  20. Thermal Conductivity for a Noisy Disordered Harmonic Chain

    E-Print Network [OSTI]

    Cedric Bernardin

    2008-08-05

    We consider a $d$-dimensional disordered harmonic chain (DHC) perturbed by an energy conservative noise. We obtain uniform in the volume upper and lower bounds for the thermal conductivity defined through the Green-Kubo formula. These bounds indicate a positive finite conductivity. We prove also that the infinite volume homogenized Green-Kubo formula converges.

  1. Theory of second-harmonic generation in colloidal crystals

    E-Print Network [OSTI]

    Jian, Y C; Huang, J P

    2006-01-01

    We study the effective susceptibility of second-harmonic generation (SHG) in colloidal crystals considering the local lattice effect using Edward-Kornfeld formulation, which are made of graded metallodielectric nanoparticles with optical nonlinearity suspended in a host fluid. We find a large enhancement and redshift of optical nonlinearity, which arises from the periodic structure, local field effects and gradation in the metallic cores.

  2. Tuning manifold harmonics filters Thomas Lewiner, Thales Vieira, Alex Bordignon,

    E-Print Network [OSTI]

    Díaz, Lorenzo J.

    Tuning manifold harmonics filters Thomas Lewiner, Thales Vieira, Alex Bordignon, Allyson Cabral : Thomas Lewiner, Thales Vieira, Alex Bordignon, Allyson Cabral, Clarissa Marques, Jo~ao Paix~ao, Lis Cust CABRAL1 , CLARISSA MARQUES1 , JO ~AO PAIX ~AO1 , LIS CUST ´ODIO1 , MARCOS LAGE1 , MARIA ANDRADE1 , RENATA

  3. Energy transport by acoustic modes of harmonic Lisa Harris # , Jani Lukkarinen + , Stefan Teufel # , and Florian Theil #

    E-Print Network [OSTI]

    Energy transport by acoustic modes of harmonic lattices Lisa Harris # , Jani Lukkarinen + , Stefan of energy transport in harmonic lattices with acoustic dispersion relations. 1 Introduction. The energy, we first need to understand how energy is transported within the crystal via purely harmonic

  4. Harmonic tori in spheres and complex projective spaces F. E. Burstall

    E-Print Network [OSTI]

    Burstall, Fran E.

    Harmonic tori in spheres and complex projective spaces F. E. Burstall Introduction A map : M N of Riemannian manifolds is harmonic if it extremises the energy functional: |d|2 dvol on every compact subdomain of M. Harmonic maps arise in many different contexts in Geometry and Physics (for an overview, see [16

  5. High harmonic generation in relativistic laserplasma interactiona... S. Banerjee,b)

    E-Print Network [OSTI]

    Umstadter, Donald

    High harmonic generation in relativistic laser­plasma interactiona... S. Banerjee,b) A. R of Michigan, Ann Arbor, Michigan 48109 Received 2 November 2001; accepted 26 February 2002 High harmonics, in addition to the conventional atomic harmonics from bound electrons there is significant contribution

  6. DIRAC-HARMONIC MAPS FROM INDEX THEORY BERND AMMANN AND NICOLAS GINOUX

    E-Print Network [OSTI]

    Ammann, Bernd

    DIRAC-HARMONIC MAPS FROM INDEX THEORY BERND AMMANN AND NICOLAS GINOUX Abstract. We prove existence results for Dirac-harmonic maps using index theoretical tools. They are mainly interesting if the source map between the source and target manifolds is a harmonic map. Contents 1. Introduction 1 2

  7. High harmonic generation spectra of aligned benzene in circular polarized laser field

    E-Print Network [OSTI]

    Moiseyev, Nimrod

    High harmonic generation spectra of aligned benzene in circular polarized laser field Petra Zda-order harmonic generation in benzene, aligned in the polarization plane of circular polarized laser field-lived resonance state up to the intensity of about 90 TW cm 2 . The high-order harmonics emitted by the system

  8. HARMONIC is 3Competitive for Two Servers Marek Chrobak and Lawrence L. Larmore

    E-Print Network [OSTI]

    Chrobak, Marek

    HARMONIC is 3­Competitive for Two Servers Marek Chrobak and Lawrence L. Larmore Department the server algorithm, called HARMONIC, that always moves the servers with probabilities proportional to the inverses of distances to the request point. We show that for two servers HARMONIC is 3­competitive. Before

  9. 3D Harmonic Mapping and Tetrahedral Meshing of Brain Imaging Data

    E-Print Network [OSTI]

    Thompson, Paul

    3D Harmonic Mapping and Tetrahedral Meshing of Brain Imaging Data Yalin Wang1 , Xianfeng Gu2 , Paul algorithm finds a harmonic map from a 3-manifold to a 3D solid sphere and the second is a novel sphere of magnetic resonance images (MRI). A heat flow method is used to solve the volumetric harmonic mapping

  10. HARMONIC CASCADE FEL DESIGNS FOR LUX, A FACILTY FOR ULTRAFAST X-RAY SCIENCE

    E-Print Network [OSTI]

    Wurtele, Jonathan

    HARMONIC CASCADE FEL DESIGNS FOR LUX, A FACILTY FOR ULTRAFAST X-RAY SCIENCE J. Corlett, W. Fawley. We also discuss lattice considerations pertinent to harmonic cascade FELs, somesensitivity studies. While much of this effort has been concentrated upon SASE-based FEL's, there is an alternative "harmonic

  11. Harmonic phase-dispersion microscope with a MachZehnder interferometer

    E-Print Network [OSTI]

    Fang-Yen, Christopher

    Harmonic phase-dispersion microscope with a Mach­Zehnder interferometer Andrew Ahn, Changhuei Yang S. Feld Harmonic phase-dispersion microscopy (PDM) is a new imaging technique in which contrast is provided by differences in refractive index at two harmonically related wavelengths. We report a new

  12. Fast Harmonic Balance of SIS Mixers with Multiple Junctions and Superconducting Circuits

    E-Print Network [OSTI]

    Ward, John

    Fast Harmonic Balance of SIS Mixers with Multiple Junctions and Superconducting Circuits Frank Rice-47, Pasadena, CA 91125, USA. Abstract We have extended the spectral domain harmonic balance method-Raphson technique to achieve rapid convergence, even when many harmonics are included in the analysis. Another im

  13. Harmonic Potential with Gaussian Barrier Model for Ammonia Inversion Frank Rioux

    E-Print Network [OSTI]

    Rioux, Frank

    Harmonic Potential with Gaussian Barrier Model for Ammonia Inversion Frank Rioux Department is modeled as a harmonic potential with an internal Gaussian barrier to inversion. The allowed vibrational at 3444, 3337, 1627, and 950 cm -1. The umbrella-like bending mode at 950 cm -1 is modeled by a harmonic

  14. Harmonic propagation of variability in surface energy balance within a coupled soilvegetationatmosphere system

    E-Print Network [OSTI]

    Gentine, Pierre

    Harmonic propagation of variability in surface energy balance within a coupled propagation of the harmonics in order to differentiate between the response of the system to forcing, P., J. Polcher, and D. Entekhabi (2011), Harmonic propagation of variability in surface energy

  15. High-harmonic generation in plasmas from relativistic laser-electron scattering

    E-Print Network [OSTI]

    Umstadter, Donald

    High-harmonic generation in plasmas from relativistic laser-electron scattering S. Banerjee, A. R Results are presented on the generation of high harmonics through the scattering of relativistic electrons to be the emission of even- order harmonics, linear dependence on the electron density, significant amount

  16. Time-harmonic BEM for 2-D piezoelectricity applied to eigenvalue problems

    E-Print Network [OSTI]

    Denda, Mitsunori "Mitch"

    Time-harmonic BEM for 2-D piezoelectricity applied to eigenvalue problems M. Denda a,*, Y. Araki b, and present the direct formulation of the time-harmonic boundary element method (BEM) for the two and the latter is given by a line integral along the unit circle. The static BEM is a component of the time-harmonic

  17. HARMONIC CASCADE FEL DESIGNS FOR LUX G. Penn, M. Reinsch, J. Wurtele

    E-Print Network [OSTI]

    Wurtele, Jonathan

    HARMONIC CASCADE FEL DESIGNS FOR LUX G. Penn, M. Reinsch, J. Wurtele , J.N. Corlett, W.M. Fawley, A stages of higher harmonic generation, seeded by a 200­250 nm laser of similar duration. This laser mod then produces ra- diation at a higher harmonic after entering a second, differ- ently tuned undulator. Repeated

  18. PHYSICAL REVIEW E 91, 022114 (2015) Stochastic thermodynamics of a tagged particle within a harmonic chain

    E-Print Network [OSTI]

    Lacoste, David

    2015-01-01

    a harmonic chain David Lacoste1 and Michael A. Lomholt2 1 Laboratoire de Physico-Chimie Th´eorique - UMR CNRS the stochastic thermodynamics of an overdamped harmonic chain, which can be viewed equivalently as a one diffusion, various approximations have been introduced. One of them is the harmonization method, which

  19. Harmonic Exponential Families on Manifolds Taco S. Cohen T.S.COHEN@UVA.NL

    E-Print Network [OSTI]

    Welling, Max

    Harmonic Exponential Families on Manifolds Taco S. Cohen T.S.COHEN@UVA.NL University of Amsterdam applications to Bayesian cam- era motion estimation (where harmonic exponen- tial families serve as conjugate experimental re- sults show that harmonic densities yield a signif- icantly higher likelihood than the best

  20. Harmonic tori in symmetric spaces and commuting Hamiltonian systems on loop algebras

    E-Print Network [OSTI]

    Harmonic tori in symmetric spaces and commuting Hamiltonian systems on loop algebras F. E. Burstall, D. Ferus, F. Pedit, and U. Pinkall Introduction Background The study of harmonic maps of compact and Physics: For example, minimal surfaces are (conformal) harmonic maps while constant mean curvature

  1. High-harmonic generation by quantum-dot nanorings Ioan Bldea,1,

    E-Print Network [OSTI]

    Moiseyev, Nimrod

    High-harmonic generation by quantum-dot nanorings Ioan Bâldea,1, * Ashish K. Gupta,2, Lorenz S with a circularly polarized light. The results show that the high-harmonic generation (HHG) spectra obtained from of the high-order harmonics is studied, and it is shown that it can increase the intensity of the high

  2. High-harmonic generation in a dense medium V. V. Strelkov,1,2,

    E-Print Network [OSTI]

    Becker, Andreas

    High-harmonic generation in a dense medium V. V. Strelkov,1,2, * V. T. Platonenko,3 and A. Becker1 2005 The high-harmonic generation in a plasma or gas under conditions when the single-atom response using the Monte Carlo method. Harmonic spectra are calculated for different medium densities and laser

  3. Harmonic tori in spheres and complex projective spaces F. E. Burstall

    E-Print Network [OSTI]

    Bath, University of

    Harmonic tori in spheres and complex projective spaces F. E. Burstall Introduction A map OE : M ! N of Riemannian manifolds is harmonic if it extremises the energy functional: Z jdOEj 2 dvol on every compact subdomain of M . Harmonic maps arise in many different contexts in Geometry and Physics (for an overview

  4. Harmonic Functions and Collision Probabilities Christopher I. Connolly, EK 266 y

    E-Print Network [OSTI]

    Choset, Howie

    Harmonic Functions and Collision Probabilities Christopher I. Connolly, EK 266 y Arti cial-5022, FAX (415) 859-3735 email: connolly@ai.sri.com Abstract There is a close relationship between harmonic processes. The hitting probabilities for random walks can be cast as a Dirichlet problem for harmonic func

  5. HARMONIC TORI IN DE SITTER SPACES S2n EMMA CARBERRY, KATHARINE TURNER

    E-Print Network [OSTI]

    Sydney, University of

    HARMONIC TORI IN DE SITTER SPACES S2n 1 EMMA CARBERRY, KATHARINE TURNER Abstract. We show that all superconformal harmonic immersions from genus one surfaces into de Sitter spaces S2n 1 with globally defined harmonic sequence are of finite-type and hence result merely from solving a pair of ordinary differential

  6. Aalborg Universitet Harmonic Resonances in Wind Power Plants: Modeling, Analysis and Active Mitigation

    E-Print Network [OSTI]

    Bak, Claus Leth

    Aalborg Universitet Harmonic Resonances in Wind Power Plants: Modeling, Analysis and Active. (2015). Harmonic Resonances in Wind Power Plants: Modeling, Analysis and Active Mitigation Methods from vbn.aau.dk on: juli 04, 2015 #12;Harmonic Resonances in Wind Power Plants: Modeling, Analysis

  7. Exploration of Below-Threshold Harmonic Generation Mechanisms of Cesium Atoms

    E-Print Network [OSTI]

    Chu, Shih-I

    Chapter 13 Exploration of Below-Threshold Harmonic Generation Mechanisms of Cesium Atoms in Intense-perturbative quantum study of high-order harmonic generation (HHG) of Cesium atoms in intense mid-infrared laser pulses of harmonics in this intermediate energy regime [3­5]. Power et al. [3] performed the experiments with Cesium

  8. ANALYTIC MODEL OF HARMONIC GENERATION IN THE LOW-GAIN FEL REGIME

    E-Print Network [OSTI]

    Wurtele, Jonathan

    ANALYTIC MODEL OF HARMONIC GENERATION IN THE LOW-GAIN FEL REGIME G. Penn, M. Reinsch, J.S. Wurtele , LBNL, Berkeley, CA 94720, USA Abstract Harmonic generation using free electron lasers (FELs) requires with simulation results using the FEL code GENESIS, both for single stages of harmonic generation and for the LUX

  9. Volumetric Harmonic Brain Mapping using a Variational Method Yalin Wang1

    E-Print Network [OSTI]

    Thompson, Paul

    Volumetric Harmonic Brain Mapping using a Variational Method Yalin Wang1 , Xianfeng Gu2 , Tony F investigation of 3D volumetric brain harmonic mapping. By transforming the full 3D brain volume to a solid harmonic map from a volumetric brain image to a 3D solid sphere and the second uses a sphere carving

  10. Category:Hospital | Open Energy Information

    Open Energy Info (EERE)

    of Memphis Tennessee (Utility Company).png SVHospital Nashville T... 71 KB SVHospital Salt Lake City UT Moon Lake Electric Assn Inc (Utah).png SVHospital Salt Lake C... 57 KB...

  11. Aalborg Universitet How to improve the design of the electrical system in future wind power plants

    E-Print Network [OSTI]

    Bak, Claus Leth

    of the main electrical components in wind farms. Two of the Ph.D. projects focus specifically to offshore wind on the transient and temporary overvoltages known to appear in the collection grid of offshore wind farms.D. project Harmonics in Large Offshore Wind Farms will provide in-depth knowledge of all relevant aspects

  12. Numerical analysis of electric field formulations of the eddy current model

    E-Print Network [OSTI]

    Rodríguez, Rodolfo

    Numerical analysis of electric field formulations of the eddy current model Alfredo Berm´udez1 methods for the numeri- cal solution of the eddy current problem in a bounded conducting domain crossed): 78M10, 65N30 Key words Low-frequency harmonic Maxwell equations, eddy currents, finite elements

  13. The effects of solar-geomagnetically induced currents on electrical systems in nuclear power stations

    SciTech Connect (OSTI)

    Subudhi, M. [Brookhaven National Lab., Upton, NY (United States)] [Brookhaven National Lab., Upton, NY (United States); Carroll, D.P. [Florida Univ., Gainesville, FL (United States)] [Florida Univ., Gainesville, FL (United States); Kasturi, S. [MOS, Inc., Melville, NY (United States)] [MOS, Inc., Melville, NY (United States)

    1994-01-01

    This report presents the results of a study to evaluate the potential effects of geomagnetically induced currents (GICs) caused by the solar disturbances on the in-plant electrical distribution system and equipment in nuclear power stations. The plant-specific electrical distribution system for a typical nuclear plant is modeled using the ElectroMagnetic Transient Program (EMTP). The computer model simulates online equipment and loads from the station transformer in the switchyard of the power station to the safety-buses at 120 volts to which all electronic devices are connected for plant monitoring. The analytical model of the plant`s electrical distribution system is studied to identify the transient effects caused by the half-cycle saturation of the station transformers due to GIC. This study provides results of the voltage harmonics levels that have been noted at various electrical buses inside the plant. The emergency circuits appear to be more susceptible to high harmonics due to the normally light load conditions. In addition to steady-state analysis, this model was further analyzed simulating various plant transient conditions (e.g., loss of load or large motor start-up) occurring during GIC events. Detail models of the plant`s protective relaying system employed in bus transfer application were included in this model to study the effects of the harmonic distortion of the voltage input. Potential harmonic effects on the uniterruptable power system (UPS) are qualitatively discussed as well.

  14. Second and Fourth Harmonic Frequencies in Electric Field-Induced Liquid Crystal Reorientations

    E-Print Network [OSTI]

    Wu, Shin-Tson

    Xiangyi Nie, Haiqing Xianyu, Thomas X. Wu, and Shin-Tson Wu College of Optics and Photonics, University

  15. Comparing a spherical harmonic model of the global electric field distribution with Astrid-2 observations

    E-Print Network [OSTI]

    Eriksson, Stefan

    of not measuring the global instantaneous two-dimensional potential distribution, which is important in studying in the past to provide analytical tools for the global potential distri- bution, such as those by Heppner potential distribution. The coefficients are assumed to depend on the IMF, the solar wind velocity

  16. High Temperatures & Electricity Demand

    E-Print Network [OSTI]

    High Temperatures & Electricity Demand An Assessment of Supply Adequacy in California Trends.......................................................................................................1 HIGH TEMPERATURES AND ELECTRICITY DEMAND.....................................................................................................................7 SECTION I: HIGH TEMPERATURES AND ELECTRICITY DEMAND ..........................9 BACKGROUND

  17. Capacity Markets for Electricity

    E-Print Network [OSTI]

    Creti, Anna; Fabra, Natalia

    2004-01-01

    England and Wales Electricity Market”, Power Working PaperFelder (1996), “Should Electricity Markets Have a Capacityand Competitive Electricity Markets”, mimeo, IDEI, available

  18. Capacity Markets for Electricity

    E-Print Network [OSTI]

    Creti, Anna; Fabra, Natalia

    2004-01-01

    and design of electricity capacity markets. Our work has twoMarkets for Electricity capacity markets, and so, when thesemain features of electricity capacity markets. We have used

  19. Retail Electricity Competition

    E-Print Network [OSTI]

    Joskow, Paul; Tirole, Jean

    2004-01-01

    Reliability and Competitive Electricity Markets” mimeo, MITCSEM WP 130 Retail Electricity Competition * Paul Joskow andwww.ucei.org Retail Electricity Competition ? Paul Joskow †

  20. Designing Electricity Auctions

    E-Print Network [OSTI]

    Fabra, Natalia; von der Fehr, Nils-Henrik; Harbord, David

    2004-01-01

    market performance in electricity auctions, it appears thatMcSorely (2001) “Regulating Electricity Markets: Experiencethe United Kingdom,” The Electricity Journal, December, 81-

  1. Electrical Safety

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based|DepartmentStatementofApril 25,EVtheEnergyPreparedElectricalNOT

  2. Resonant second harmonic generation of a Gaussian electromagnetic beam in a collisional magnetoplasma

    SciTech Connect (OSTI)

    Kaur, Sukhdeep; Sharma, A. K. [Centre for Energy Studies, Indian Institute of Technology Delhi, New Delhi 110016 (India); Salih, Hyder A. [Department of Applied Sciences, University of Baghdad, Baghdad (Iraq)

    2009-04-15

    Second harmonic generation of a right circularly polarized Gaussian electromagnetic beam in a magnetized plasma is investigated. The beam causes Ohmic heating of electrons and subsequent redistribution of the plasma, leading to self-defocusing. The radial density gradient, in conjunction with the oscillatory electron velocity, produces density oscillation at the wave frequency. The density oscillation beats with the oscillatory velocity to produce second harmonic current density, giving rise to resonant second harmonic radiation when the wave frequency is one-third of electron cyclotron frequency. The second harmonic field has azimuthal dependence as exp(i{theta}). The self-defocusing causes a reduction in the efficiency of harmonic generation.

  3. In-situ characterization of femtosecond laser-induced crystallization in borosilicate glass using time-resolved surface third-harmonic generation

    SciTech Connect (OSTI)

    Liu, Weimin; Wang, Liang; Han, Fangyuan; Fang, Chong

    2013-11-11

    Coherent phonon dynamics in condensed-phase medium are responsible for important material properties including thermal and electrical conductivities. We report a structural dynamics technique, time-resolved surface third-harmonic generation (TRSTHG) spectroscopy, to capture transient phonon propagation near the surface of polycrystalline CaF{sub 2} and amorphous borosilicate (BK7) glass. Our approach time-resolves the background-free, high-sensitivity third harmonic generation (THG) signal in between the two crossing near-IR pulses. Pronounced intensity quantum beats reveal the impulsively excited low-frequency Raman mode evolution on the femtosecond to picosecond timescale. After amplified laser irradiation, danburite-crystal-like structure units form at the glass surface. This versatile TRSTHG setup paves the way to mechanistically study and design advanced thermoelectrics and photovoltaics.

  4. Renewable Electricity Futures Study

    E-Print Network [OSTI]

    Renewable Electricity Futures Study Renewable Electricity Generation and Storage Technologies for Sustainable Energy, LLC. #12;Renewable Electricity Futures Study Edited By Hand, M.M. National Renewable;Suggested Citations Renewable Electricity Futures Study (Entire Report) National Renewable Energy Laboratory

  5. ELECTRICAL ENGINEERING EECS Department

    E-Print Network [OSTI]

    ELECTRICAL ENGINEERING EECS Department The Electrical Engineering and Computer Science (EECS) Department at WSU offers undergraduate degrees in electrical engineering, computer engineering and computer science. The EECS Department offers master of science degrees in computer science, electrical engineering

  6. Higher harmonics generation in relativistic electron beam with virtual cathode

    SciTech Connect (OSTI)

    Kurkin, S. A., E-mail: KurkinSA@gmail.com; Badarin, A. A.; Koronovskii, A. A.; Hramov, A. E. [Saratov State Technical University, Politechnicheskaja 77, Saratov 410028, Russia and Saratov State University, Astrakhanskaja 83, Saratov 410012 (Russian Federation)

    2014-09-15

    The study of the microwave generation regimes with intense higher harmonics taking place in a high-power vircator consisting of a relativistic electron beam with a virtual cathode has been made. The characteristics of these regimes, in particular, the typical spectra and their variations with the change of the system parameters (beam current, the induction of external magnetic field) as well as physical processes occurring in the system have been analyzed by means of 3D electromagnetic simulation. It has been shown that the system under study demonstrates the tendency to the sufficient growth of the amplitudes of higher harmonics in the spectrum of current oscillations in the VC region with the increase of beam current. The obtained results allow us to consider virtual cathode oscillators as promising high power mmw-to-THz sources.

  7. Freely floating structures trapping time-harmonic water waves (revisited)

    E-Print Network [OSTI]

    Nikolay Kuznetsov; Oleg Motygin

    2014-10-22

    We study the coupled small-amplitude motion of the mechanical system consisting of infinitely deep water and a structure immersed in it. The former is bounded above by a free surface, whereas the latter is formed by an arbitrary finite number of surface-piercing bodies floating freely. The mathematical model of time-harmonic motion is a spectral problem in which the frequency of oscillations serves as the spectral parameter. It is proved that there exist axisymmetric structures consisting of $N \\geq 2$ bodies; every structure has the following properties: (i) a time-harmonic wave mode is trapped by it; (ii) some of its bodies (may be none) are motionless, whereas the rest of the bodies (may be none) are heaving at the same frequency as water. The construction of these structures is based on a generalization of the semi-inverse procedure applied earlier for obtaining trapping bodies that are motionless although float freely.

  8. Oncotripsy: Targeting cancer cells selectively via resonant harmonic excitation

    E-Print Network [OSTI]

    Heyden, Stefanie

    2015-01-01

    We investigate a method of selectively targeting cancer cells by means of ultrasound harmonic excitation at their resonance frequency, which we refer to as oncotripsy. The geometric model of the cells takes into account the cytoplasm, nucleus and nucleolus, as well as the plasma membrane and nuclear envelope. Material properties are varied within a pathophysiologically-relevant range. A first modal analysis reveals the existence of a spectral gap between the natural frequencies and, most importantly, resonant growth rates of healthy and cancerous cells. The results of the modal analysis are verified by simulating the fully-nonlinear transient response of healthy and cancerous cells at resonance. The fully nonlinear analysis confirms that cancerous cells can be selectively taken to lysis by the application of carefully tuned ultrasound harmonic excitation while simultaneously leaving healthy cells intact.

  9. High harmonic generation in hydrogen and helium atoms subject to one{ and two{color laser pulses

    E-Print Network [OSTI]

    Gross, E.K.U.

    High harmonic generation in hydrogen and helium atoms subject to one{ and two{color laser pulses Surzburg Germany Abstract. We present simulations of harmonic generation in hydrogen and helium solving for the generation of intense high{order harmonics are discussed. 1. Introduction Since the discovery of harmonic

  10. Electrical receptacle

    DOE Patents [OSTI]

    Leong, R.

    1993-06-22

    The invention is a receptacle for a three prong electrical plug which has either a tubular or U-shaped grounding prong. The inventive receptacle has a grounding prong socket which is sufficiently spacious to prevent the socket from significantly stretching when a larger, U-shaped grounding prong is inserted into the socket, and having two ridges to allow a snug fit when a smaller tubular shape grounding prong is inserted into the socket. The two ridges are made to prevent the socket from expanding when either the U-shaped grounding prong or the tubular grounding prong is inserted.

  11. Harmonic oscillator in a one-dimensional box

    E-Print Network [OSTI]

    Paolo Amore; Francisco M. Fernandez

    2009-07-31

    We study a harmonic molecule confined to a one--dimensional box with impenetrable walls. We explicitly consider the symmetry of the problem for the cases of different and equal masses. We propose suitable variational functions and compare the approximate energies given by the variation method and perturbation theory with accurate numerical ones for a wide range of values of the box length. We analyze the limits of small and large box size.

  12. Measuring non-linear functionals of quantum harmonic oscillator states

    E-Print Network [OSTI]

    K. L. Pregnell

    2005-11-01

    Using only linear interactions and a local parity measurement we show how entanglement can be detected between two harmonic oscillators. The scheme generalizes to measure both linear and non-linear functionals of an arbitrary oscillator state. This leads to many applications including purity tests, eigenvalue estimation, entropy and distance measures - all without the need for non-linear interactions or complete state reconstruction. Remarkably, experimental realization of the proposed scheme is already within the reach of current technology with linear optics.

  13. Using Coupled Harmonic Oscillators to Model Some Greenhouse Gas Molecules

    SciTech Connect (OSTI)

    Go, Clark Kendrick C.; Maquiling, Joel T.

    2010-07-28

    Common greenhouse gas molecules SF{sub 6}, NO{sub 2}, CH{sub 4}, and CO{sub 2} are modeled as harmonic oscillators whose potential and kinetic energies are derived. Using the Euler-Lagrange equation, their equations of motion are derived and their phase portraits are plotted. The authors use these data to attempt to explain the lifespan of these gases in the atmosphere.

  14. Theory of the strongly-damped quantum harmonic oscillator

    E-Print Network [OSTI]

    Stephen M. Barnett; James D. Cresser; Sarah Croke

    2015-08-10

    We analyse the properties of a strongly-damped quantum harmonic oscillator by means of an exact diagonalisation of the full Hamiltonian, including both the oscillator and the reservoir degrees of freedom to which it is coupled. Many of the properties of the oscillator, including its steady-state properties and entanglement with the reservoir can be understood and quantified in terms of a simple probability density, which we may associate with the ground-state frequency spectrum of the oscillator.

  15. Vacuum high harmonic generation in the shock regime

    E-Print Network [OSTI]

    Böhl, P; Ruhl, H

    2015-01-01

    Electrodynamics becomes nonlinear and permits the self-interaction of fields when the quantised nature of vacuum states is taken into account. The effect on a plane probe pulse propagating through a stronger constant crossed background is calculated using numerical simulation and by analytically solving the corresponding wave equation. The electromagnetic shock resulting from vacuum high harmonic generation is investigated and a nonlinear shock parameter identified.

  16. Harmonizing Technological Innovation and End-of-Life Strategy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum12,ExecutiveFinancing ProgramsDepartment of EnergyEnergy Harmonization

  17. Nonlinear Power Spectral Densities for the Harmonic Oscillator

    E-Print Network [OSTI]

    B. D. Hauer; J. Maciejko; J. P. Davis

    2015-06-13

    In this paper, we discuss a general procedure by which nonlinear power spectral densities (PSDs) of the harmonic oscillator can be calculated in both the quantum and classical regimes. We begin with an introduction of the damped and undamped classical harmonic oscillator, followed by an overview of the quantum mechanical description of this system. A brief review of both the classical and quantum autocorrelation functions (ACFs) and PSDs follow. We then introduce a general method by which the kth-order PSD for the harmonic oscillator can be calculated, where $k$ is any positive integer. This formulation is verified by first reproducing the known results for the $k = 1$ case of the linear PSD. It is then extended to calculate the second-order PSD, useful in the field of quantum measurement, corresponding to the $k = 2$ case of the generalized method. In this process, damping is included into each of the quantum linear and quadratic PSDs, producing realistic models for the PSDs found in experiment. These quantum PSDs are shown to obey the correspondence principle by matching with what was calculated for their classical counterparts in the high temperature, high-Q limit. Finally, we demonstrate that our results can be reproduced using the fluctuation-dissipation theorem, providing an independent check of our resultant PSDs.

  18. Single-shot fluctuations in waveguided high-harmonic generation

    E-Print Network [OSTI]

    Goh, S J; van der Slot, P J M; Bastiaens, H J M; Herek, J; Biedron, S G; Danailov, M B; Milton, S V; Boller, K -J

    2015-01-01

    For exploring the application potential of coherent soft x-ray (SXR) and extreme ultraviolet radiation (XUV) provided by high-harmonic generation, it is important to characterize the central output parameters. Of specific importance are pulse-to-pulse (shot-to-shot) fluctuations of the high-harmonic output energy, fluctuations of the direction of the emission (pointing instabilities), and fluctuations of the beam divergence and shape that reduce the spatial coherence. We present the first single-shot measurements of waveguided high-harmonic generation in a waveguided (capillary-based) geometry. Using a capillary waveguide filled with Argon gas as the nonlinear medium, we provide the first characterization of shot-to-shot fluctuations of the pulse energy, of the divergence and of the beam pointing. We record the strength of these fluctuations vs. two basic input parameters, which are the drive laser pulse energy and the gas pressure in the capillary waveguide. In correlation measurements between single-shot dr...

  19. Pee Dee Electric Coop, Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc Jump to:Newberg,Energy LLC Jump to:3 ofAltos delValley El Pwr AssnPee Dee

  20. Pee Dee Electric Member Corp | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc Jump to:Newberg,Energy LLC Jump to:3 ofAltos delValley El Pwr AssnPee DeePee

  1. Tri-County Electric Coop | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (Utility Company) Jump to: navigation,Power Systems IncAssn Jump

  2. Tri-County Electric Coop, Inc (Florida) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (Utility Company) Jump to: navigation,Power Systems IncAssn JumpFlorida)

  3. Tri-County Electric Coop, Inc (Illinois) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (Utility Company) Jump to: navigation,Power Systems IncAssn

  4. Tri-County Electric Coop, Inc (Oklahoma) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (Utility Company) Jump to: navigation,Power Systems IncAssnOklahoma) Jump

  5. Tri-County Electric Coop, Inc (Texas) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (Utility Company) Jump to: navigation,Power Systems IncAssnOklahoma)

  6. Wild Rice Electric Coop, Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (Utility Company)Idaho)VosslohWest PlainsAssn,

  7. Comparison of non-neutral electron plasma confinement in harmonic and rectangular potentials in a very dense regime

    SciTech Connect (OSTI)

    Mohamed, T. [Atomic Physics Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan); Physics department, Faculty of Science, Beni-Suef University (Egypt); Mohri, A. [Atomic Physics Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan); Yamazaki, Y. [Atomic Physics Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan); Institute of Physics, University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902 (Japan)

    2013-01-15

    Confinement of high density electron plasmas in a strong uniform magnetic field was experimentally studied in a multi-ring trap (MRT). The trap was housed inside a bore tube and surrounded by a superconducting solenoid. A 5 T magnetic field was used to provide radial confinement while an electrostatic harmonic or rectangular potential well was used for axial confinement. For trapped electrons of N = 1.2 Multiplication-Sign 10{sup 10} in a harmonic potential well (HPW) with the trap length of L{sub T} = 320 mm, the plasma lifetime was about 10{sup 4} s and it became much longer at lower N = 4.5 Multiplication-Sign 10{sup 9}. Such long holding times were achieved without application of rotating electric fields. Contrastingly, in a rectangular potential well (RPW), the plasma of N = 1.2 Multiplication-Sign 10{sup 10} under the same trap length expanded to cover the whole Faraday Cup within 200 s, where its radial expansion rate was {eta} = 3.2 Multiplication-Sign 10{sup -2} mm/s, which was 20 times faster than HPW. The lifetime for RPW became shorter with increasing L{sub T} and scaled as 1/[L{sub T}]{sup 2}. This scaling found for high density plasmas is similar to the obtained one with different Penning-Malmberg traps at UC San Diego (USCD).

  8. Harmonic oscillator in a background magnetic field in noncommutative quantum phase-space

    E-Print Network [OSTI]

    Joseph Ben Geloun; Sunandan Gangopadhyay; Frederik G Scholtz

    2009-01-22

    We solve explicitly the two-dimensional harmonic oscillator and the harmonic oscillator in a background magnetic field in noncommutative phase-space without making use of any type of representation. A key observation that we make is that for a specific choice of the noncommutative parameters, the time reversal symmetry of the systems get restored since the energy spectrum becomes degenerate. This is in contrast to the noncommutative configuration space where the time reversal symmetry of the harmonic oscillator is always broken.

  9. Numerical studies of third-harmonic generation in laser filament in air perturbed by plasma spot

    SciTech Connect (OSTI)

    Feng Liubin; Lu Xin; Liu Xiaolong; Li Yutong; Chen Liming; Ma Jinglong; Dong Quanli; Wang Weimin; Xi Tingting; Sheng Zhengming; Zhang Jie; He Duanwei

    2012-07-15

    Third-harmonic emission from laser filament intercepted by plasma spot is studied by numerical simulations. Significant enhancement of the third-harmonic generation is obtained due to the disturbance of the additional plasma. The contribution of the pure plasma effect and the possible plasma-enhanced third-order susceptibility on the third-harmonic generation enhancement are compared. It is shown that the plasma induced cancellation of destructive interference [Y. Liu et al., Opt. Commun. 284, 4706 (2011)] of two-colored filament is the dominant mechanism of the enhancement of third-harmonic generation.

  10. Harmonic coordinates in the string and membrane equations

    E-Print Network [OSTI]

    Chun-Lei He; Shou-Jun Huang

    2010-04-16

    In this note, we first show that the solutions to Cauchy problems for two versions of relativistic string and membrane equations are diffeomorphic. Then we investigate the coordinates transformation presented in Ref. [9] (see (2.20) in Ref. [9]) which plays an important role in the study on the dynamics of the motion of string in Minkowski space. This kind of transformed coordinates are harmonic coordinates, and the nonlinear relativistic string equations can be straightforwardly simplified into linear wave equations under this transformation.

  11. Temperature-insensitive phase-matched optical harmonic conversion crystal

    DOE Patents [OSTI]

    Barker, C.E.; Eimerl, D.; Velsko, S.P.; Roberts, D.

    1993-11-23

    Temperature-insensitive, phase-matched harmonic frequency conversion of laser light at a preferred wavelength of 1.064 microns can be achieved by use of a crystal of deuterated l-arginine phosphate. The crystal is cut and oriented so that the laser light propagates inside the crystal along one of several required directions, which correspond to a temperature-insensitive, phase-matching locus. The method of measuring and calculating the temperature-insensitive, phase-matching angles can be extended to other fundamental wavelengths and other crystal compositions. 12 figures.

  12. On the harmonic oscillator on the Lobachevsky plane

    E-Print Network [OSTI]

    P. Stovicek; M. Tusek

    2007-09-24

    We introduce the harmonic oscillator on the Lobachevsky plane with the aid of the potential $V(r)=(a^2\\omega^2/4)sinh(r/a)^2$ where $a$ is the curvature radius and $r$ is the geodesic distance from a fixed center. Thus the potential is rotationally symmetric and unbounded likewise as in the Euclidean case. The eigenvalue equation leads to the differential equation of spheroidal functions. We provide a basic numerical analysis of eigenvalues and eigenfunctions in the case when the value of the angular momentum, $m$, equals 0.

  13. Harmonic Initial-Boundary Evolution in General Relativity

    E-Print Network [OSTI]

    Maria C. Babiuc; Bela Szilagyi; Jeffrey Winicour

    2006-03-14

    Computational techniques which establish the stability of an evolution-boundary algorithm for a model wave equation with shift are incorporated into a well-posed version of the initial-boundary value problem for gravitational theory in harmonic coordinates. The resulting algorithm is implemented as a 3-dimensional numerical code which we demonstrate to provide stable, convergent Cauchy evolution in gauge wave and shifted gauge wave testbeds. Code performance is compared for Dirichlet, Neumann and Sommerfeld boundary conditions and for boundary conditions which explicitly incorporate constraint preservation. The results are used to assess strategies for obtaining physically realistic boundary data by means of Cauchy-characteristic matching.

  14. Generalized energy equipartition in harmonic oscillators driven by active baths

    E-Print Network [OSTI]

    Claudio Maggi; Matteo Paoluzzi; Nicola Pellicciotta; Alessia Lepore; Luca Angelani; Roberto Di Leonardo

    2015-06-26

    We study experimentally and numerically the dynamics of colloidal beads confined by a harmonic potential in a bath of swimming E. coli bacteria. The resulting dynamics is well approximated by a Langevin equation for an overdamped oscillator driven by the combination of a white thermal noise and an exponentially correlated active noise. This scenario leads to a simple generalization of the equipartition theorem resulting in the coexistence of two different effective temperatures that govern dynamics along the flat and the curved directions in the potential landscape.

  15. Quantum Energy Teleportation with a Linear Harmonic Chain

    E-Print Network [OSTI]

    Yasusada Nambu; Masahiro Hotta

    2010-10-14

    A protocol of quantum energy teleportation is proposed for a one-dimensional harmonic chain. A coherent-state POVM measurement is performed to coupled oscillators of the chain in the ground state accompanied by energy infusion to the system. This measurement consumes a part of ground state entanglement. Depending on the measurement result, a displacement operation is performed on a distant oscillator accompanied by energy extraction from the zero-point fluctuation of the oscillator. We find that the amount of consumed entanglement is bounded from below by a positive value that is proportional to the amount of teleported energy.

  16. A theoretical basis for the Harmonic Balance Method

    E-Print Network [OSTI]

    García-Saldaña, Johanna D

    2012-01-01

    The Harmonic Balance method provides a heuristic approach for finding truncated Fourier series as an approximation to the periodic solutions of ordinary differential equations. Another natural way for obtaining these type of approximations consists in applying numerical methods. In this paper we recover the pioneering results of Stokes and Urabe that provide a theoretical basis for proving that near these truncated series, whatever is the way they have been obtained, there are actual periodic solutions of the equation. We will restrict our attention to one-dimensional non-autonomous ordinary differential equations and we apply the results obtained to a couple of concrete examples coming from planar autonomous systems.

  17. Thermal conductivity in harmonic lattices with random collisions

    E-Print Network [OSTI]

    Giada Basile; Cédric Bernardin; Milton Jara; Tomasz Komorowski; Stefano Olla

    2015-09-08

    We review recent rigorous mathematical results about the macroscopic behaviour of harmonic chains with the dynamics perturbed by a random exchange of velocities between nearest neighbor particles. The random exchange models the effects of nonlinearities of anharmonic chains and the resulting dynamics have similar macroscopic behaviour. In particular there is a superdiffusion of energy for unpinned acoustic chains. The corresponding evolution of the temperature profile is governed by a fractional heat equation. In non-acoustic chains we have normal diffusivity, even if momentum is conserved.

  18. Can Classical Linear Harmonic Oscillator Hold Chaotic (Fractal) Dynamics

    E-Print Network [OSTI]

    Vladan Pankovi?

    2009-08-16

    In this work a classical linear harmonic oscillator, evolving during a small time interval (so that simple non-linear, second order Taylor approximation of the dynamics is satisfied) and restarting (by a mechanism) in a strictly chosen series of the time moments, is considered. It is shown that given linear oscillator behaves dynamically analogously to discrete logistic equation, which, as an especial case, includes chaotic (fractal) behaviour too. (All this refers too on the analogous quantum systems, e.g. ammonia molecule with simple vibration dynamics of the atoms many times perturbed by measurements in strictly defined time moments.

  19. A non-conforming 3D spherical harmonic transport solver

    SciTech Connect (OSTI)

    Van Criekingen, S.

    2006-07-01

    A new 3D transport solver for the time-independent Boltzmann transport equation has been developed. This solver is based on the second-order even-parity form of the transport equation. The angular discretization is performed through the expansion of the angular neutron flux in spherical harmonics (PN method). The novelty of this solver is the use of non-conforming finite elements for the spatial discretization. Such elements lead to a discontinuous flux approximation. This interface continuity requirement relaxation property is shared with mixed-dual formulations such as the ones based on Raviart-Thomas finite elements. Encouraging numerical results are presented. (authors)

  20. Harmonization of Federal and International Regulations | Department of

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum12,ExecutiveFinancing ProgramsDepartment of EnergyEnergy Harmonization of

  1. Angular Averaged Profiling of the Radial Electric Field in Compensated FTICR Cells

    SciTech Connect (OSTI)

    Tolmachev, Aleksey V.; Robinson, Errol W.; Wu, Si; Smith, Richard D.; Futrell, Jean H.; Pasa-Tolic, Ljiljana

    2012-05-08

    A recent publication from this laboratory (1) reported a theoretical analysis comparing approaches for creating harmonic ICR cells. We considered two examples of static segmented cells - namely, a seven segment cell developed in this laboratory (2) and one described by Rempel et al (3), along with a recently described dynamically harmonized cell (4). This conceptual design for a dynamically harmonized cell has now been reduced to practice and first experimental results obtained with this cell were recently reported in this journal (5). This publication reports details of cell construction and describes its performance in a 7 Tesla Fourier Transform mass spectrometer. Herein, we describe the extension of theoretical analysis presented in (1) to include angular-averaged radial electric field calculations and a discussion of the influence of trapping plates.

  2. Studies of thin films and surfaces with optical harmonic generation and electron spectroscopy

    SciTech Connect (OSTI)

    Wilk, D.E.

    1996-01-01

    Optical second harmonic generation (SHG) and sum frequency generation (SFG) were used to study C{sup 60} thin solid films (low energy ED forbidden electronic excitations), and electron spectroscopy was used to study organic overlayers (xylenes) on Pt(111). Theory of SHG from a thin film is described in terms of surface and bulk contributions as well as local and nonlocal contributions to the optical nonlinearities. (1)In situ SHG data on C{sub 60} films during UHV film growth can be described in terms of only nonlocal contributions to both surface and bulk nonlinear susceptibilities. Microscopic origin of SHG response is discussed in terms of electric quadrupole and ED transitions of C{sub 60}. (2)Adsorption and thermal decomposition of ortho- and para-xylene on Pt(111) is studied using HREELS, LEED, AES, and thermal desorption spectroscopy. We have observed preferential decomposition of the methyl groups which leads to distinct decomposition pathways for ortho- and para-xylene on Pt(111).

  3. University of Strathclyde Dpt of Electric Electrical Engineering...

    Open Energy Info (EERE)

    Strathclyde Dpt of Electric Electrical Engineering Institute for Energy and Enviro Jump to: navigation, search Name: University of Strathclyde, Dpt of Electric & Electrical...

  4. Electrical Generation for More-Electric Aircraft using Solid...

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

    Electrical Generation for More-Electric Aircraft using Solid Oxide Fuel Cells Electrical Generation for More-Electric Aircraft using Solid Oxide Fuel Cells This study, completed by...

  5. Estimating the Value of Electricity Storage Resources in Electricity...

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

    Value of Electricity Storage Resources in Electricity Markets - EAC 2011 Estimating the Value of Electricity Storage Resources in Electricity Markets - EAC 2011 The purpose of this...

  6. Experimental Analysis of a Piezoelectric Energy Harvesting System for Harmonic, Random, and Sine on Random Vibration

    SciTech Connect (OSTI)

    Cryns, Jackson W.; Hatchell, Brian K.; Santiago-Rojas, Emiliano; Silvers, Kurt L.

    2013-07-01

    Formal journal article Experimental analysis of a piezoelectric energy harvesting system for harmonic, random, and sine on random vibration Abstract: Harvesting power with a piezoelectric vibration powered generator using a full-wave rectifier conditioning circuit is experimentally compared for varying sinusoidal, random and sine on random (SOR) input vibration scenarios. Additionally, the implications of source vibration characteristics on harvester design are discussed. Studies in vibration harvesting have yielded numerous alternatives for harvesting electrical energy from vibrations but piezoceramics arose as the most compact, energy dense means of energy transduction. The rise in popularity of harvesting energy from ambient vibrations has made piezoelectric generators commercially available. Much of the available literature focuses on maximizing harvested power through nonlinear processing circuits that require accurate knowledge of generator internal mechanical and electrical characteristics and idealization of the input vibration source, which cannot be assumed in general application. In this manuscript, variations in source vibration and load resistance are explored for a commercially available piezoelectric generator. We characterize the source vibration by its acceleration response for repeatability and transcription to general application. The results agree with numerical and theoretical predictions for in previous literature that load optimal resistance varies with transducer natural frequency and source type, and the findings demonstrate that significant gains are seen with lower tuned transducer natural frequencies for similar source amplitudes. Going beyond idealized steady state sinusoidal and simplified random vibration input, SOR testing allows for more accurate representation of real world ambient vibration. It is shown that characteristic interactions from more complex vibrational sources significantly alter power generation and power processing requirements by increasing harvested power, shifting optimal conditioning impedance, inducing significant voltage supply fluctuations and ultimately rendering idealized sinusoidal and random analyses insufficient.

  7. Reduces electric energy consumption

    E-Print Network [OSTI]

    BENEFITS · Reduces electric energy consumption · Reduces peak electric demand · Reduces natural gas consumption · Reduces nonhazardous solid waste and wastewater generation · Potential annual savings products for the automotive industry, electrical equipment, and miscellaneous other uses nationwide. ALCOA

  8. Superconductivity for Electric Systems

    E-Print Network [OSTI]

    Superconductivity Program Oak Ridge National Laboratory For: Department of Energy Office of Electricity Delivery and Energy Reliability ­ Superconductivity for Electric Systems #12;3 Control Milestones and Status ControlSuperconductivity for Electric Systems Superconductivity Program Quarterly Progress Report

  9. LABORATORY II ELECTRIC FIELDS AND ELECTRIC POTENTIALS

    E-Print Network [OSTI]

    Minnesota, University of

    Lab II - 1 LABORATORY II ELECTRIC FIELDS AND ELECTRIC POTENTIALS In this lab you will continue the concepts of field and potential are abstract and difficult to visualize, this laboratory uses a computer and electric potential at any point in space. OBJECTIVES After successfully completing this laboratory, you

  10. Electrical safety guidelines

    SciTech Connect (OSTI)

    Not Available

    1993-09-01

    The Electrical Safety Guidelines prescribes the DOE safety standards for DOE field offices or facilities involved in the use of electrical energy. It has been prepared to provide a uniform set of electrical safety standards and guidance for DOE installations in order to affect a reduction or elimination of risks associated with the use of electrical energy. The objectives of these guidelines are to enhance electrical safety awareness and mitigate electrical hazards to employees, the public, and the environment.

  11. DOE handbook electrical safety

    SciTech Connect (OSTI)

    1998-01-01

    Electrical Safety Handbook presents the Department of Energy (DOE) safety standards for DOE field offices or facilities involved in the use of electrical energy. It has been prepared to provide a uniform set of electrical safety guidance and information for DOE installations to effect a reduction or elimination of risks associated with the use of electrical energy. The objectives of this handbook are to enhance electrical safety awareness and mitigate electrical hazards to employees, the public, and the environment.

  12. Electricity Monthly Update

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

    The Electric Power Sector comprises electricity-only and combined heat and power (CHP) plants within the North American Industrial Classification System 22 category whose...

  13. California's electricity crisis

    E-Print Network [OSTI]

    Joskow, Paul L.

    2001-01-01

    The collapse of California's electricity restructuring and competition program has attracted attention around the world. Prices in California's competitive wholesale electricity market increased by 500% between the second ...

  14. Edison Electric Institute Update

    Broader source: Energy.gov [DOE]

    Presentation—given at the Fall 2011 Federal Utility Partnership Working Group (FUPWG) meeting—discusses the Edison Electric Institute (EEI) and the current electricity landscape.

  15. Electricity Monthly Update

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

    West having a 1.1 percent decrease in electricity generation compared to last February. Electricity generation from coal increased in all regions of the country, with Florida...

  16. Random Walks and Electrical

    E-Print Network [OSTI]

    Jonathon Peterson

    2008-01-30

    Feb 4, 2008 ... Electrical Network Calculations in Random Walks in. Random ... Markov Chains. 2. Electrical Networks and Reversible Markov Chains. 3.

  17. Electricity Monthly Update

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

    End Use: December 2014 Retail ratesprices and consumption In this section, we look at what electricity costs and how much is purchased. Charges for retail electric service are...

  18. Electricity Monthly Update

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

    See all Electricity Reports Electricity Monthly Update With Data for November 2014 | Release Date: Jan. 26, 2015 | Next Release Date: Feb. 24, 2015 Previous Issues Issue:...

  19. ELECTRICAL, COMPUTER, & ENERGY ENGINEERING

    E-Print Network [OSTI]

    Mojzsis, Stephen J.

    ELECTRICAL, COMPUTER, & ENERGY ENGINEERING GRADUATE STUDY GUIDE FALL 2014 ­ SPRING 2015 University of Colorado at Boulder Department of Electrical, Computer & Energy Engineering Graduate Office Campus Box 425

  20. 2012 National Electricity Forum

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

    U.S. Department of Energy U.S. Department of Energy National Electric Transmission Congestion Study Workshop - December 6, 2011 National Electric Transmission Congestion Study...

  1. Rate-Harmonized Scheduling for Saving Energy Anthony Rowe Karthik Lakshmanan Haifeng Zhu Ragunathan (Raj) Rajkumar

    E-Print Network [OSTI]

    Rowe, Anthony

    Rate-Harmonized Scheduling for Saving Energy Anthony Rowe Karthik Lakshmanan Haifeng Zhu Ragunathan mode, substantially more energy savings can be obtained but it requires a significant amount of time such that processor idle times are lumped together. We next introduce the Energy-Saving Rate-Harmonized Scheduler

  2. A Harmonic Potential Approach for Simultaneous Planning and Control of a Generic UAV Platform

    E-Print Network [OSTI]

    Masoud, Ahmad A.

    A Harmonic Potential Approach for Simultaneous Planning and Control of a Generic UAV Platform Ahmad and control of a large variety of unmanned aerial vehicles (UAVs) is tackled using the harmonic potential to regulate the velocity of the UAV concerned in a manner that would propel the UAV to a target point while

  3. Aalborg Universitet Harmonic Analysis of Offshore Wind Farms with Full Converter Wind Turbines

    E-Print Network [OSTI]

    Bak, Claus Leth

    Aalborg Universitet Harmonic Analysis of Offshore Wind Farms with Full Converter Wind Turbines Analysis of Offshore Wind Farms with Full Converter Wind Turbines. In Proceeding of the 8th International.aau.dk on: juli 06, 2015 #12; Abstract--This paper presents the harmonic analysis of offshore wind farm (OWF

  4. Circular Harmonic Decomposition Approach for Numerical Inversion of Circular Radon Transforms

    E-Print Network [OSTI]

    Louis, Alfred K.

    Circular Harmonic Decomposition Approach for Numerical Inversion of Circular Radon Transforms Gaël@num.uni-sb.de ABSTRACT Numerical inversions via circular harmonic decomposition for two classes of circular Radon transforms are established. The first class deals with the Radon transform (RT) de- fined on circular arcs

  5. EXPONENTIAL RADON TRANSFORM INVERSION BASED ON HARMONIC ANALYSIS OF THE EUCLIDEAN MOTION GROUP

    E-Print Network [OSTI]

    Yazici, Birsen

    EXPONENTIAL RADON TRANSFORM INVERSION BASED ON HARMONIC ANALYSIS OF THE EUCLIDEAN MOTION GROUP Can Engineering Troy, NY ABSTRACT This paper presents a new method for the exponential Radon trans- form inversion based on harmonic analysis of the Euclidean mo- tion group (M(2)). The exponential Radon transform

  6. RADON TRANSFORM INVERSION BASED ON HARMONIC ANALYSIS OF THE EUCLIDEAN MOTION GROUP

    E-Print Network [OSTI]

    Yazici, Birsen

    RADON TRANSFORM INVERSION BASED ON HARMONIC ANALYSIS OF THE EUCLIDEAN MOTION GROUP Can Evren Yarman of the projection slice theorem using harmonic analysis of the Euclidean motion group (M(N)). The Radon transform to new algo- rithms for the inversion of the Radon transform. 1. INTRODUCTION The Radon transform forms

  7. Attosecond laser pulse synthesis using bichromatic high-order harmonic generation Avner Fleischer and Nimrod Moiseyev

    E-Print Network [OSTI]

    Moiseyev, Nimrod

    2006 We analyze the dynamical symmetries and the selection rules relevant to the process of production of high-order harmonics as a result of irradiating an atom with strong, continuous bichromatic laser spectrum of harmonics could be a source for the production of attosecond light pulses. We demonstrate our

  8. Hydrogen Generation from Water Disassociation Using Small Currents and Harmonics Trien N. Nguyen1

    E-Print Network [OSTI]

    Zhou, Yaoqi

    Hydrogen Generation from Water Disassociation Using Small Currents and Harmonics Trien N. Nguyen1 1 Department of Physics, Purdue School of Science Hydrogen can be produced cheaply and efficiently from water sources using a combination of harmonics and small currents. Hydrogen is a clean and virtually

  9. ZAGIER-TYPE DUALITIES AND LIFTING MAPS FOR HARMONIC MAASS-JACOBI FORMS

    E-Print Network [OSTI]

    Bringmann, Kathrin

    ZAGIER-TYPE DUALITIES AND LIFTING MAPS FOR HARMONIC MAASS-JACOBI FORMS KATHRIN BRINGMANN AND OLAV K. RICHTER Abstract. The real-analytic Jacobi forms of Zwegers' Ph.D. thesis play an important role. In this paper, we introduce harmonic Maass-Jacobi forms, which include the classical Jacobi forms as well

  10. Abstract--Previously, we introduced a new Harmonic Motion Imaging (HMI) technique for simultaneous monitoring and

    E-Print Network [OSTI]

    Konofagou, Elisa E.

    beams) that has a stable focal zone for the applied harmonic radiation force. The harmonic radiation tissues remain unheated. The ability of HIFU to cause irreversible cell damage in tissues has received are with the Department of Biomedical Engineering of Columbia University, New York, NY 10027 phone: 212- 342-1611; fax

  11. Noncollinear second-harmonic generation in sub-micrometer-poled RbTiOPO4

    E-Print Network [OSTI]

    Arie, Ady

    Noncollinear second-harmonic generation in sub-micrometer-poled RbTiOPO4 S. Moscovich, A. Arie, R generated noncollinear quasi-phase-matched second harmonic wave in an RbTiOPO4 crystal that was poled using systematic nonlinear frequency conversion study of samples produced by the HV-AFM method. The short poling

  12. Optical second-harmonic generation selection rules and resonances in buried oxide interfaces

    E-Print Network [OSTI]

    Marrucci, Lorenzo

    Optical second-harmonic generation selection rules and resonances in buried oxide interfaces-two-dimensional electron gas at the interface between the band insulators LaAlO3 and SrTiO3 is still not fully understood. Interface- sensitive optical second-harmonic spectroscopy can shed light on this mechanism, by accessing

  13. Performance study of a soft X-ray harmonic generation FEL seeded with an EUV laser pulse

    E-Print Network [OSTI]

    Gullans, M.; Wurtele, J.S.; Penn, G.; Zholents, A.A.

    2007-01-01

    X-ray Harmonic Generation FEL Seeded with an EUV Laser PulseX-ray harmonic generation FEL seeded with an EUV laser pulseof a free electron laser (FEL) using a low-power extreme

  14. Renewable Electricity Futures Study

    E-Print Network [OSTI]

    Renewable Electricity Futures Study Exploration of High-Penetration Renewable Electricity Futures PDF Volume 4 PDF #12;Renewable Electricity Futures Study Edited By Hand, M.M. National Renewable Citations Renewable Electricity Futures Study (Entire Report) National Renewable Energy Laboratory. (2012

  15. Renewable Electricity Futures Study

    E-Print Network [OSTI]

    Renewable Electricity Futures Study Bulk Electric Power Systems: Operations and Transmission by the Alliance for Sustainable Energy, LLC. #12;Renewable Electricity Futures Study Edited By Hand, M.M. National Suggested Citations Renewable Electricity Futures Study (Entire Report) National Renewable Energy Laboratory

  16. Renewable Electricity Futures Study

    E-Print Network [OSTI]

    Renewable Electricity Futures Study End-use Electricity Demand Volume 3 of 4 Volume 2 PDF Volume 3;Renewable Electricity Futures Study Edited By Hand, M.M. National Renewable Energy Laboratory Baldwin, S. U Sandor, D. National Renewable Energy Laboratory Suggested Citations Renewable Electricity Futures Study

  17. ELECTRICAL ENGINEERING Curriculum Notes

    E-Print Network [OSTI]

    Mohan, Chilukuri K.

    ELECTRICAL ENGINEERING Curriculum Notes 2013-2014 1. Electrical Engineering (EE) students must/programs/electrical_engineering) and minors are used to regulate technical electives. A student must complete four technical elective courses in Electrical Engineering or Computer Engineering. At a minimum

  18. Electrical & Computer Engineering

    E-Print Network [OSTI]

    Electrical & Computer Engineering 2014-2015AcademicYearHandbook Doctor of Philosophy in Electrical is for the internal use of the Department of Electrical and Computer Engineering at Carnegie Mellon University only permission of the Department Head of Department of Electrical and Computer Engineering. #12;2 Table

  19. ELECTRICAL & COMPUTER ENGINEERING

    E-Print Network [OSTI]

    ELECTRICAL & COMPUTER ENGINEERING SEMINAR "Agile Sensing Systems: Analysis, Design and Implementation" by Prof. Jun (Jason) Zhang Electrical and Computer Engineering University of Denver Tuesday of Electrical and Computer Engineering at the University of Denver. He was with the School of Electrical

  20. Introduction Computational Efficiency Electricity Portfolio Planning Electricity Portfolios

    E-Print Network [OSTI]

    Introduction Computational Efficiency Electricity Portfolio Planning Electricity Portfolios 2009/11/30­12/01 István Maros Electricity Portfolio #12;Introduction Computational Efficiency Electricity Portfolio Outline 1 Introduction 2 Computational Efficiency 3 Electricity Portfolio Approximate

  1. Deuterium Beam Acceleration with 3rd Harmonic ICRH in Joint European Torus: Sawtooth Stabilization and Alfvén Eigenmodes

    E-Print Network [OSTI]

    Deuterium Beam Acceleration with 3rd Harmonic ICRH in Joint European Torus: Sawtooth Stabilization and Alfvén Eigenmodes

  2. Thermal transport in out of equilibrium quantum harmonic chains

    E-Print Network [OSTI]

    F. Nicacio; A. Ferraro; A. Imparato; M. Paternostro; F. L. Semião

    2015-04-15

    We address the problem of heat transport in a chain of coupled quantum harmonic oscillators, exposed to the influences of local environments of various nature, stressing the effects that the specific nature of the environment has on the phenomenology of the transport process. We study in detail the behavior of thermodynamically relevant quantities such as heat currents and mean energies of the oscillators, establishing rigorous analytical conditions for the existence of a steady state, whose features we analyse carefully. In particular we assess the conditions that should be faced to recover trends reminiscent of the classical Fourier law of heat conduction and highlight how such a possibility depends on the environment linked to our system.

  3. Exact energy distribution function in time-dependent harmonic oscillator

    E-Print Network [OSTI]

    Marko Robnik; Valery G. Romanovski; Hans-Juergen Stoeckmann

    2006-08-11

    Following a recent work by Robnik and Romanovski (J.Phys.A: Math.Gen. {\\bf 39} (2006) L35, Open Syst. & Infor. Dyn. {\\bf 13} (2006) 197-222) we derive the explicit formula for the universal distribution function of the final energies in a time-dependent 1D harmonic oscillator, whose functional form does not depend on the details of the frequency $\\omega (t)$, and is closely related to the conservation of the adiabatic invariant. The normalized distribution function is $P(x) = \\pi^{-1} (2\\mu^2 - x^2)^{-{1/2}}$, where $x=E_1- \\bar{E_1}$, $E_1$ is the final energy, $\\bar{E_1}$ is its average value, and $\\mu^2$ is the variance of $E_1$. $\\bar{E_1}$ and $\\mu^2$ can be calculated exactly using the WKB approach to all orders.

  4. RF physics of ICWC discharge at high cyclotron harmonics

    SciTech Connect (OSTI)

    Lyssoivan, A.; Van Eester, D.; Wauters, T.; Vervier, M.; Van Schoor, M. [Association Euratom-Belgian State, LPP-ERM-KMS, 1000 Brussels (Belgium); Bobkov, V.; Rohde, V.; Schneider, P. [Association Euratom-IPP, Max-Planck Institut für Plasmaphysik, 85748 Garching (Germany); Douai, D.; Kogut, D. [Association Euratom-CEA, CEA, IRFM, 13108 St Paul lez Durance (France); Kreter, A.; Möller, S.; Philipps, V.; Sergienko, G. [Association Euratom-IEK-4, Forschungszentrum Jülich, 52425 Jülich (Germany); Moiseenko, V. [Institute of Plasma Physics NSC KIPT, 61108 Kharkiv (Ukraine); Noterdaeme, J.-M. [Association Euratom-IPP, Max-Planck Institut für Plasmaphysik, 85748 Garching, Germany and Ghent University, 9000 Ghent (Belgium); Collaboration: TEXTOR Team; ASDEX Upgrade Team

    2014-02-12

    Recent experiments on Ion Cyclotron Wall Conditioning (ICWC) performed in tokamaks TEXTOR and ASDEX Upgrade with standard ICRF antennas operated at fixed frequencies but variable toroidal magnetic field demonstrated rather contrasting parameters of ICWC discharge in scenarios with on-axis fundamental ion cyclotron resonance (ICR) for protons,?=?{sub H+}, and with its high cyclotron harmonics (HCH), ?=10?{sub cH+}? HCH scenario: very high antenna coupling to low density RF plasmas (P{sub pl}?0.9P{sub RF-G}) and low energy Maxwellian distribution of CX hydrogen atoms with temperature T{sub H}?350 eV. Fundamental ICR: lower antenna-plasma coupling efficiency (by factor of about 1.5 times) and generation of high energy non-Maxwellian CX hydrogen atoms (with local energy E{sub ?H} ?1.0 keV). In the present paper, we analyze the obtained experimental results numerically using (i) newly developed 0-D transport code describing the process of plasma production with electron and ion collisional ionization in helium-hydrogen gas mixture and (ii) earlier developed 1-D Dispersion Relation Solver accounting for finite temperature effects and collision absorption mechanisms for all plasma species in addition to conventionally examined Landau/TTPM damping for electrons and cyclotron absorption for ions. The numerical study of plasma production in helium with minor hydrogen content in low and high toroidal magnetic fields is presented. The investigation of the excitation, conversion and absorption of plasma waves as function of B{sub T}-field suggests that only fast waves (FW) may give a crucial impact on antenna coupling and characteristics of the ICWC discharge using standard poloidally polarized ICRF antennas designed to couple RF power mainly to FW. The collisional (non-resonant) absorption by electrons and ions and IC absorption by resonant ions of minor concentration in low T{sub e} plasmas is studied at fundamental ICR and its high harmonics.

  5. HARMONIC FUNCTIONS FOR SEA-SURFACE TEMPERATURES AND SALINITIES, KOKO HEAD, OAHU, 1956-69, AND SEA-SURFACE

    E-Print Network [OSTI]

    HARMONIC FUNCTIONS FOR SEA-SURFACE TEMPERATURES AND SALINITIES, KOKO HEAD, OAHU, 1956-69, AND SEA-SURFACE TEMPERATURES, CHRISTMAS ISLAND, 1954-69 GUNTHER It SECKEL' AND MARIAN Y. Y. YONG' ABSTRACT Harmonic functions, with daily sampling, are on average 0.07° C. Harmonic analysis spanning the entire sampling duration shows

  6. p-HARMONIC MEASURE IS NOT SUBADDITIVE JOSE G. LLORENTE, JUAN J. MANFREDI, AND JANG-MEI WU

    E-Print Network [OSTI]

    Wu, Jang-Mei

    p-HARMONIC MEASURE IS NOT SUBADDITIVE JOS´E G. LLORENTE, JUAN J. MANFREDI, AND JANG-MEI WU. When 1 harmonic mea- sure on the boundary of the half plane R2 + is not subadditive. In fact, there are finitely many sets E1, E2,...,E on R, of p-harmonic measure zero, such that E1

  7. PHYSICAL REVIEW A 91, 023402 (2015) Transition from perturbative to nonperturbative interaction in low-order-harmonic generation

    E-Print Network [OSTI]

    Becker, Andreas

    2015-01-01

    in low-order-harmonic generation A. Spott, A. Becker, and A. Jaro´n-Becker JILA and Department of Physics 2015) We present results of ab initio numerical calculations for low-order-harmonic generation as well of the susceptibilities for third- and fifth-order-harmonic generation. We find that the transition from perturbative

  8. Harmonic content and time variation of electron energy distributions in high-plasma-density, low-pressure inductively coupled discharges

    E-Print Network [OSTI]

    Kushner, Mark

    Harmonic content and time variation of electron energy distributions in high-plasma-density, low-the-fly'' OTF Monte Carlo method. The OTF method directly computes the harmonic content of the EEDs using was incorporated into a two-dimensional plasma equipment model to investigate the harmonic content of the EEDs

  9. September 15, 1997 / Vol. 22, No. 18 / OPTICS LETTERS 1385 Modification of solitary waves by third-harmonic generation

    E-Print Network [OSTI]

    with the wave's third harmonic. Indeed, if a slightly mismatched process of third-harmonic generation leadsSeptember 15, 1997 / Vol. 22, No. 18 / OPTICS LETTERS 1385 Modification of solitary waves by third-harmonic generation Rowland A. Sammut and Alexander V. Buryak School of Mathematics and Statistics, University College

  10. ECE 438 Electric and Hybrid Vehicles Catalog Description: History of electric traction. Introduction to electric and hybrid-electric

    E-Print Network [OSTI]

    ECE 438 ­ Electric and Hybrid Vehicles Catalog Description: History of electric traction. Introduction to electric and hybrid-electric vehicle configurations. Vehicle mechanics. Energy sources and storage. Range prediction. Motor for HEVs. Electric drive components. Vehicle transmission system. Credits

  11. Central Hudson Gas & Electric (Electric) - Residential Energy...

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

    residential electric customers who upgrade heating, cooling or ventilation systems with specific types of energy efficient equipment. These rebates include efficient central air...

  12. Baltimore Gas & Electric Company (Electric) - Residential Energy...

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

    DuctAir sealing Building Insulation Other EE LED Lighting Maximum Rebate Contact Baltimore Gas and Electric Program Info Sector Name Utility Website http:...

  13. Theoretical studies of high-order harmonic generation: Effects of symmetry, degeneracy, and orientation

    SciTech Connect (OSTI)

    Madsen, C. B.; Madsen, L. B.

    2007-10-15

    Using a quantum-mechanical three-step model, we present numerical calculations of the high-order harmonic generation from four polyatomic molecules. Ethylene (C{sub 2}H{sub 4}) serves as an example where orbital symmetry directly affects the harmonic yield. We treat the case of methane (CH{sub 4}) to address the high-order harmonic generation resulting from a molecule with degenerate orbitals. To this end we illustrate how the single-orbital contributions show up in the total high-order harmonic signal. This example illustrates the importance of adding coherently the amplitude contributions from the individual degenerate orbitals. Finally, we study the high-order harmonic generation from propane (C{sub 3}H{sub 8}) and butane (C{sub 4}H{sub 10}). These two molecules, being extended and far from spherical in structure, produce harmonics with nontrivial orientational dependencies. In particular, propane can be oriented so that very high-frequency harmonics are favored, and thus the molecule contains prospects for the generation of uv attosecond pulses.

  14. Analysis of higher harmonic contamination with a modified approach using a grating analyser

    SciTech Connect (OSTI)

    Gupta, Rajkumar Modi, Mohammed H.; Lodha, G. S.; Kumar, M.; Chakera, J. A.

    2014-04-15

    Soft x-ray spectra of the toroidal grating monochromator (TGM) at the reflectivity beamline of Indus-1 synchrotron source are analyzed for higher harmonic contribution. A diffraction grating of central line spacing 1200 l/mm is used to disperse the monochromatic beam received from TGM to quantify the harmonic contents in the 50–360 Å wavelength range. In order to calculate the harmonic contamination, conventionally the intensity of higher order peak is divided by first order peak intensity of the desired wavelength. This approach is found to give wrong estimate as first order peak itself is overlapped by higher order peaks. In the present study, a modified approach has been proposed to calculate harmonic contamination where the intensity contributions of overlapping orders have been removed from the first order diffraction peak of the desired wavelength. It is found that the order contamination in the TGM spectra is less than 15% in the wavelength range of 90–180 Å. The total harmonic contribution increases from 6%–60% in the wavelength range of 150–260 Å. The critical wavelength of Indus-1 is 61 Å hence the harmonic contamination below 90 Å is significantly low. The results obtained with modified approach match well with those obtained by quantitative analysis of multilayer reflectivity data. The obtained higher harmonics data are used to fit the transmission of aluminum edge filter in the 120–360 Å wavelength range.

  15. Electric arc saw apparatus

    DOE Patents [OSTI]

    Deichelbohrer, Paul R [Richland, WA

    1986-01-01

    A portable, hand held electric arc saw has a small frame for supporting an electrically conducting rotary blade which serves as an electrode for generating an electric arc to erode a workpiece. Electric current is supplied to the blade by biased brushes and a slip ring which are mounted in the frame. A pair of freely movable endless belts in the form of crawler treads stretched between two pulleys are used to facilitate movement of the electric arc saw. The pulleys are formed of dielectric material to electrically insulate the crawler treads from the frame.

  16. Third harmonic stimulated Raman backscattering of laser in a magnetized plasma

    SciTech Connect (OSTI)

    Paknezhad, Alireza; Dorranian, Davoud

    2013-09-15

    This article studies the nonlinear Raman shifted third harmonic backscattering of an intense extraordinary laser wave through a homogenous transversely magnetized cold plasma. Due to the relativistic nonlinearity, the plasma dynamic is modified in the presence of transversely magnetic field, and this can generate the third harmonic scattered wave and an electrostatic upper hybrid wave via the Raman scattering process. Using the nonlinear wave equation, the mechanism of nonlinear third harmonic Raman scattering is discussed in detail to obtain the maximum growth rate of instability in the mildly relativistic regime. The growth rate decreases as the static magnetic field increases. It also increases with the pump wave amplitude.

  17. Assessing Vehicle Electricity Demand Impacts on California Electricity Supply

    E-Print Network [OSTI]

    McCarthy, Ryan W.

    2009-01-01

    CEC (2009) Statewide Electricity Rates by Utility, Class andrates if the marginal electricity rate from the LCFS isestimated marginal electricity emissions rate in California’

  18. Electricity Grid: Impacts of Plug-In Electric Vehicle Charging

    E-Print Network [OSTI]

    Yang, Christopher; McCarthy, Ryan

    2009-01-01

    and timing of vehicle electricity demand. As the number ofcontinually changing electricity demands by using a suite ofif local patterns of electricity demand change significantly

  19. Assessing Vehicle Electricity Demand Impacts on California Electricity Supply

    E-Print Network [OSTI]

    McCarthy, Ryan W.

    2009-01-01

    fuel efficiency and electricity demand assumptions used into added vehicle electricity demand in the BAU (no IGCC)to added vehicle electricity demand in the Mixed technology

  20. Estimating the Value of Electricity Storage Resources in Electricity...

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

    understanding the role electricity storage resources (storage) can play in wholesale and retail electricity markets, 2) assessing the value of electricity storage in a variety of...

  1. Harmonization - Two Years' of Transportation Regulation Lessons Learned

    SciTech Connect (OSTI)

    Colborn, K.

    2007-07-01

    The U.S. Department of Transportation issued modifications to the Hazardous Materials Regulations in October, 2004 as part of an ongoing effort to 'harmonize' U.S. regulations with those of the International Atomic Energy Agency. The harmonization effort had several predictable effects on low level radioactive materials shipment that were anticipated even prior to their implementation. However, after two years' experience with the new regulations, transporters have identified several effects on transportation which were not entirely apparent when the regulations were first implemented. This paper presents several case studies in the transportation of low level radioactive materials since the harmonization rules took effect. In each case, an analysis of the challenge posed by the regulatory revision is provided. In some cases, more than one strategy for compliance was considered, and the advantages and disadvantages of each are discussed. In several cases, regulatory interpretations were sought and obtained, and these are presented to clarify the legitimacy of the compliance approach. The presentation of interpretations will be accompanied by reports of clarifying discussions with the U.S. DOT about the interpretation and scope of the regulatory change. Specific transportation issues raised by the revised hazardous materials regulations are reviewed, including: The new definition of radioactive material in accordance with isotope-specific concentration and total activity limits. The new hazardous materials regulations (HMR) created a new definition for radioactive material. A case study is presented for soils contaminated with low levels of Th-230. These soils had been being shipped for years as exempt material under the old 2,000 pCi/g concentration limit. Under the new HMR, these same soils were radioactive material. Further, in rail-car quantities their activity exceeded an A2 value, so shipment of the material in gondolas appeared to require an IP-2 package. Interpretations, discussions, and an exemption were obtained to secure the continued shipment of this material. A provision to allow 'natural' radioactive materials to be exempt from the requirements of the HMR at up to 10x the listed isotopic concentrations. The revised HMR exempts certain natural materials and ores from regulation as radioactive material at concentrations up to 10x that allowed if the materials are not natural. The term 'natural' is not well defined, and initial attempts to qualify for this exemption were thwarted by concerns over what degree of material processing, if any, materials could experience and still be considered 'natural'. The presentation includes an example from a project involving post-processed tungsten ore, and includes interpretations from the US DOT as well as clarifying language from current and drafted IAEA regulation and guidance. New packaging descriptions allowing the use of cargo containers as IP-2 and IP-3 packages in some applications. The revised HMR provides an alternate certification procedure under which standard cargo containers can be used as IP-2 and IP-3 containers. There has been some confusion about how this high level of certification can apply to standard cargo containers when other sections of the regulations make this certification available only to considerably more stout containers after rigorous testing. The discussion includes interpretive guidance from the US DOT, and from the UK Department of Transport clarifying the same provision in IAEA regulations. A new definition of contamination with apparently broad impact on the shipment of empty containers and conveyances. The revised HMR presented a definition of contamination not referenced by any other part of the HMR. The preamble to the revised HMR provides confusing guidance on the application of the definition to shipment of empty containers, and subsequent interpretive guidance letters appear to conflict with the preamble as well as with each other. The definition also has the effect of regulating materials for transport as radioactive even when US

  2. Designing electricity transmission auctions

    E-Print Network [OSTI]

    Greve, Thomas; Pollitt, Michael G.

    2012-10-26

    The UK has ambitious plans for exploiting offshore wind for electricity production in order to meet its challenging target under the EU Renewable Energy Directive. This could involve investing up to 20bn in transmission assets to bring electricity...

  3. Renewable Electricity Futures (Presentation)

    SciTech Connect (OSTI)

    Mai, T.

    2012-10-01

    This presentation library summarizes findings of NREL's Renewable Electricity Futures study, published in June 2012. RE Futures investigated the challenges and impacts of achieving very high renewable electricity generation levels in the contiguous United States by 2050.

  4. Renewable Electricity Futures (Presentation)

    SciTech Connect (OSTI)

    Mai, T.

    2013-04-01

    This presentation summarizes findings of NREL's Renewable Electricity Futures study, published in June 2012. RE Futures investigated the challenges and impacts of achieving very high renewable electricity generation levels in the contiguous United States by 2050.

  5. Renewable Electricity Futures (Presentation)

    SciTech Connect (OSTI)

    Hand, M. M.

    2012-09-01

    This presentation summarizes findings of NREL's Renewable Electricity Futures study, published in June 2012. RE Futures investigated the challenges and impacts of achieving very high renewable electricity generation levels in the contiguous United States by 2050.

  6. Renewable Electricity Futures (Presentation)

    SciTech Connect (OSTI)

    Mai, T.

    2012-11-01

    This presentation summarizes findings of NREL's Renewable Electricity Futures study, published in June 2012. RE Futures investigated the challenges and impacts of achieving very high renewable electricity generation levels in the contiguous United States by 2050.

  7. Massachusetts Electric Vehicle Efforts

    E-Print Network [OSTI]

    California at Davis, University of

    ,500 for full battery electric vehicle (BEV) and $5,000 for plug- in hybrid electric vehicle (PHEV) · Financial 39 Tesla 39 BMW 26 Toyota 7 Honda 3 Cadillac 3 Mitsubishi 2 #12;Department of Public Utilities · DPU

  8. Electric arc saw apparatus

    DOE Patents [OSTI]

    Deichelbohrer, P.R.

    1983-08-08

    A portable, hand-held electric arc saw apparatus comprising a small frame for supporting an electrically conducting rotary blade which serves as an electrode for generating an electric arc between the blade and a workpiece of opposite polarity. Electrically conducting means are provided on said frame for transmitting current to said blade. A pair of freely movable endless belts in the form of crawler treads are employed to facilitate movement of the apparatus relative to the workpiece.

  9. Electrical utilities relay settings

    SciTech Connect (OSTI)

    HACHE, J.M.

    1999-02-24

    This document contains the Hanford transmission and distribution system relay settings that are under the control of Electrical Utilities.

  10. National Electric Transmission Congestion Study Webinars | Department...

    Energy Savers [EERE]

    Services Electricity Policy Coordination and Implementation Transmission Planning National Electric Transmission Congestion Study National Electric Transmission...

  11. Emission Impacts of Electric Vehicles

    E-Print Network [OSTI]

    Wang, Quanlu; DeLuchi, Mark A.; Sperling, Daniel

    1990-01-01

    greenhouse effect, and electric vehicles," Proceedingso/9thInternational Electric Vehicles Symposium, 1988. 14. R. M.of 9th International Electric Vehicles Sympo- sium, 1988.

  12. Electric Vehicle Smart Charging Infrastructure

    E-Print Network [OSTI]

    Chung, Ching-Yen

    2014-01-01

    for Multiplexed Electric Vehicle Charging”, US20130154561A1,Chynoweth, ”Intelligent Electric Vehicle Charging System”,of RFID Mesh Network for Electric Vehicle Smart Charging

  13. The Case for Electric Vehicles

    E-Print Network [OSTI]

    Sperling, Daniel

    2001-01-01

    land Press, 1995 TESTING ELECTRIC VEHICLE DEMAND IN " HYBRIDThe Case for Electric Vehicles DanieI Sperlmg Reprint UCTCor The Case for Electric Vehicles Darnel Sperling Institute

  14. Maricopa Assn. of Governments - PV and Solar Domestic Water Heating...

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

    necessary electricalbuilding permits for residential (single-family) and commercial PV systems. These procedures are a part of the MAG Building Code Standards. The standards...

  15. Harrison Rural Elec Assn, Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainableGlynnMassachusetts: EnergySoftwareMississippi: Energy

  16. Singing River Elec Pwr Assn (Mississippi) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing Capacity forSilicium de Provence SASSinem Geothermal Power

  17. South Louisiana Elec Coop Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing Capacity forSiliciumEnergyHouston, Texas: Energy(RECP) in

  18. Southwest Rural Elec Assn Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing CapacityVectren) Jump to: navigation, searchSouthport,Arkansas E C

  19. Prentiss County Elec Pwr Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPIProtectio1975)Energy Technology Jump to: navigation,NewPrenova Inc

  20. Red River Valley Rrl Elec Assn | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onRAPID/Geothermal/Exploration/Colorado <RAPID/Geothermal/WaterEnergy MarketingNewOpenRecycledMesa,