National Library of Energy BETA

Sample records for limits electronic access

  1. Central Electronics Limited CEL | Open Energy Information

    Open Energy Info (EERE)

    Electronics Limited CEL Jump to: navigation, search Name: Central Electronics Limited (CEL) Place: Sahibabad, Uttar Pradesh, India Zip: 201010 Sector: Solar Product: String...

  2. Biomass accessibility analysis using electron tomography

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

    Hinkle, Jacob D.; Ciesielski, Peter N.; Gruchalla, Kenny; Munch, Kristin R.; Donohoe, Bryon S.

    2015-12-25

    Substrate accessibility to catalysts has been a dominant theme in theories of biomass deconstruction. Furthermore, current methods of quantifying accessibility do not elucidate mechanisms for increased accessibility due to changes in microstructure following pretreatment.

  3. Laser-to-hot-electron conversion limitations in relativistic laser matter

    Office of Scientific and Technical Information (OSTI)

    interactions due to multi-picosecond dynamics (Journal Article) | DOE PAGES Laser-to-hot-electron conversion limitations in relativistic laser matter interactions due to multi-picosecond dynamics « Prev Next » Title: Laser-to-hot-electron conversion limitations in relativistic laser matter interactions due to multi-picosecond dynamics × You are accessing a document from the Department of Energy's (DOE) Public Access Gateway for Energy & Science (PAGES). This site is a product of DOE's

  4. ENSURING ACCESS TO FEDERALLY CONDUCTED PROGRAMS AND ACTIVITIES BY INDIVIDUALS WITH LIMITED

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

    ENSURING ACCESS TO FEDERALLY CONDUCTED PROGRAMS AND ACTIVITIES BY INDIVIDUALS WITH LIMITED ENGLISH PROFICIENCY (LEP) PLAN UNITED STATES DEPARTMENT OF ENERGY (DOE) OFFICE OF CIVIL RIGHTS AND DIVERSITY INTRODUCTION Executive Order 13166, "Improving Access To Services For Persons With Limited English Proficiency", was issued on August 11, 2000 (65 FR 50121). The Order requires Federal agencies to develop and implement a plan to provide services to those persons with limited English

  5. Remote Access

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

    Remote Access Remote Access Laboratory employees can access Research Library databases and products from offsite using our EZproxy service. This service is limited to LANL employees with active Z numbers and cryptocards. Access Electronic Collections with EZproxy Remote Access Journals - Books - Standards - Databases (WOK, etc) How to use EZproxy: From this page: Click on the icon above. From external site: Select "OFFSITE LANL Employee". Enter your Z number and Cryptocard passcode.

  6. Controlling user access to electronic resources without password

    DOE Patents [OSTI]

    Smith, Fred Hewitt

    2015-06-16

    Described herein are devices and techniques for remotely controlling user access to a restricted computer resource. The process includes pre-determining an association of the restricted computer resource and computer-resource-proximal environmental information. Indicia of user-proximal environmental information are received from a user requesting access to the restricted computer resource. Received indicia of user-proximal environmental information are compared to associated computer-resource-proximal environmental information. User access to the restricted computer resource is selectively granted responsive to a favorable comparison in which the user-proximal environmental information is sufficiently similar to the computer-resource proximal environmental information. In at least some embodiments, the process further includes comparing user-supplied biometric measure and comparing it with a predetermined association of at least one biometric measure of an authorized user. Access to the restricted computer resource is granted in response to a favorable comparison.

  7. Accessibility

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

    Web Policies Accessibility Accessibility LANL places a high degree of emphasis on user ... Contact Web Team Email Reaching the broadest possible audience Los Alamos National ...

  8. Accessibility

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

    is committed to providing access to our Web pages for individuals with disabilities. To meet this commitment, this site is built to comply with the requirements of...

  9. Electron-limiting defect complex in hyperdoped GaAs: The D D...

    Office of Scientific and Technical Information (OSTI)

    Electron-limiting defect complex in hyperdoped GaAs: The D D X center Prev Next Title: Electron-limiting defect complex in hyperdoped GaAs: The D D X center Authors: Ma, Jie ...

  10. Resolution Limits of Electron-beam Lithography Pushed Towards the Atomic

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

    Scale | MIT-Harvard Center for Excitonics Resolution Limits of Electron-beam Lithography Pushed Towards the Atomic Scale 10.22.2013

  11. Chasing the limits of the one electron approximation

    SciTech Connect (OSTI)

    K?dziera, Dariusz; Mentel, ?ukasz M.

    2014-10-06

    Rapid progress in the development of computational methods for quantum chemistry is not properly balanced by the development of basis sets. Even in the case of few-electron systems it is hard to find basis set which are able to reproduce the ECG benchmarks with the mhartree accuracy. In this paper we show early work on improvements of the basis sets for small atomic and molecular systems. As a starting point the ground state of lithium atom and the lowest states of lithium dimer will be investigated. The exploratory optimization of the exponents of primitive gaussians will be based on even tempered scheme combined with CISD method.

  12. Laser-to-hot-electron conversion limitations in relativistic laser matter

    Office of Scientific and Technical Information (OSTI)

    interactions due to multi-picosecond dynamics (Journal Article) | DOE PAGES Laser-to-hot-electron conversion limitations in relativistic laser matter interactions due to multi-picosecond dynamics « Prev Next » Title: Laser-to-hot-electron conversion limitations in relativistic laser matter interactions due to multi-picosecond dynamics High-energy short-pulse lasers are pushing the limits of plasma-based particle acceleration, x-ray generation, and high-harmonic generation by creating

  13. Compact femtosecond electron diffractometer with 100 keV electron bunches approaching the single-electron pulse duration limit

    SciTech Connect (OSTI)

    Waldecker, Lutz Bertoni, Roman; Ernstorfer, Ralph

    2015-01-28

    We present the design and implementation of a highly compact femtosecond electron diffractometer working at electron energies up to 100 keV. We use a multi-body particle tracing code to simulate electron bunch propagation through the setup and to calculate pulse durations at the sample position. Our simulations show that electron bunches containing few thousands of electrons per bunch are only weakly broadened by space-charge effects and their pulse duration is thus close to the one of a single-electron wavepacket. With our compact setup, we can create electron bunches containing up to 5000 electrons with a pulse duration below 100 fs on the sample. We use the diffractometer to track the energy transfer from photoexcited electrons to the lattice in a thin film of titanium. This process takes place on the timescale of few-hundred femtoseconds and a fully equilibrated state is reached within 1 ps.

  14. Limiter

    DOE Patents [OSTI]

    Cohen, S.A.; Hosea, J.C.; Timberlake, J.R.

    1984-10-19

    A limiter with a specially contoured front face is provided. The front face of the limiter (the plasma-side face) is flat with a central indentation. In addition, the limiter shape is cylindrically symmetric so that the limiter can be rotated for greater heat distribution. This limiter shape accommodates the various power scrape-off distances lambda p, which depend on the parallel velocity, V/sub parallel/, of the impacting particles.

  15. Limiter

    DOE Patents [OSTI]

    Cohen, Samuel A.; Hosea, Joel C.; Timberlake, John R.

    1986-01-01

    A limiter with a specially contoured front face accommodates the various power scrape-off distances .lambda..sub.p, which depend on the parallel velocity, V.sub..parallel., of the impacting particles. The front face of the limiter (the plasma-side face) is flat with a central indentation. In addition, the limiter shape is cylindrically symmetric so that the limiter can be rotated for greater heat distribution.

  16. Apparatus and method for servicing an elongated suspended pump motor in an electric power plant with limited access

    DOE Patents [OSTI]

    Chavez, Rossemary V.; Ekeroth, Douglas E.; Johnson, F. Thomas; Matusz, John M.

    1994-01-01

    Elongated coolant pumps suspended under steam generators within containment in a power plant with limited access space, are removed and replaced by an elongated maintenance cart with an elongated opening along one side in which the motor is received. Rollers support the cart for conveying the elongated motor in an upright position out from under the steam generator and onto an elevator. The elevator is lowered to transfer support of the cart and motor through trunnions to saddles straddling the elevator for rotation of the cart to a generally horizontal position. The elevator then raises the horizontally disposed cart carrying the motor to a higher floor where it is rolled off the elevator and out through the auxiliary equipment hatch.

  17. Apparatus and method for servicing an elongated suspended pump motor in an electric power plant with limited access

    DOE Patents [OSTI]

    Chavez, R.V.; Ekeroth, D.E.; Johnson, F.T.; Matusz, J.M.

    1994-04-26

    Elongated coolant pumps suspended under steam generators within containment in a power plant with limited access space, are removed and replaced by an elongated maintenance cart with an elongated opening along one side in which the motor is received. Rollers support the cart for conveying the elongated motor in an upright position out from under the steam generator and onto an elevator. The elevator is lowered to transfer support of the cart and motor through trunnions to saddles straddling the elevator for rotation of the cart to a generally horizontal position. The elevator then raises the horizontally disposed cart carrying the motor to a higher floor where it is rolled off the elevator and out through the auxiliary equipment hatch. 14 figures.

  18. Accessibility | NREL

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

    making its electronic and information technologies accessible to individuals with disabilities in accordance with Section 508 of the Rehabilitation Act (29 U.S.C. 794d), as...

  19. Local intelligent electronic device (IED) rendering templates over limited bandwidth communication link to manage remote IED

    DOE Patents [OSTI]

    Bradetich, Ryan; Dearien, Jason A; Grussling, Barry Jakob; Remaley, Gavin

    2013-11-05

    The present disclosure provides systems and methods for remote device management. According to various embodiments, a local intelligent electronic device (IED) may be in communication with a remote IED via a limited bandwidth communication link, such as a serial link. The limited bandwidth communication link may not support traditional remote management interfaces. According to one embodiment, a local IED may present an operator with a management interface for a remote IED by rendering locally stored templates. The local IED may render the locally stored templates using sparse data obtained from the remote IED. According to various embodiments, the management interface may be a web client interface and/or an HTML interface. The bandwidth required to present a remote management interface may be significantly reduced by rendering locally stored templates rather than requesting an entire management interface from the remote IED. According to various embodiments, an IED may comprise an encryption transceiver.

  20. A microwave resonator for limiting depth sensitivity for electron paramagnetic resonance spectroscopy of surfaces

    SciTech Connect (OSTI)

    Sidabras, Jason W.; Varanasi, Shiv K.; Hyde, James S.; Mett, Richard R.; Swarts, Steven G.; Swartz, Harold M.

    2014-10-15

    A microwave Surface Resonator Array (SRA) structure is described for use in Electron Paramagnetic Resonance (EPR) spectroscopy. The SRA has a series of anti-parallel transmission line modes that provides a region of sensitivity equal to the cross-sectional area times its depth sensitivity, which is approximately half the distance between the transmission line centers. It is shown that the quarter-wave twin-lead transmission line can be a useful element for design of microwave resonators at frequencies as high as 10 GHz. The SRA geometry is presented as a novel resonator for use in surface spectroscopy where the region of interest is either surrounded by lossy material, or the spectroscopist wishes to minimize signal from surrounding materials. One such application is in vivo spectroscopy of human finger-nails at X-band (9.5 GHz) to measure ionizing radiation dosages. In order to reduce losses associated with tissues beneath the nail that yield no EPR signal, the SRA structure is designed to limit depth sensitivity to the thickness of the fingernail. Another application, due to the resonator geometry and limited depth penetration, is surface spectroscopy in coating or material science. To test this application, a spectrum of 1.44 ?M of Mg{sup 2+} doped polystyrene 1.1 mm thick on an aluminum surface is obtained. Modeling, design, and simulations were performed using Wolfram Mathematica (Champaign, IL; v. 9.0) and Ansys High Frequency Structure Simulator (HFSS; Canonsburg, PA; v. 15.0). A micro-strip coupling circuit is designed to suppress unwanted modes and provide a balanced impedance transformation to a 50 ? coaxial input. Agreement between simulated and experimental results is shown.

  1. Accessing HPSS

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

    Accessing HPSS Accessing HPSS Once you have successfully generated an HPSS token you can access NERSC's HPSS in the different ways listed below. HSI and HTAR are usually the best ways to transfer data in and out of HPSS but other methods are also included. Access Method When to use this method Features Limitations HSI When a full-featured unix-like interface is desired high performance (parallel); unix-like user interface; firewall mode client is specific to HPSS version and might not work at

  2. Peculiarities of the electron spectrum and metal-insulator transition in the strong correlation limit

    SciTech Connect (OSTI)

    Irkhin, V. Yu. Zarubin, A. V.

    2013-05-15

    Green's function in the paramagnetic phase of the Hubbard model with strong electron correlations is calculated by the many-electron operators method. The density of states pattern is considered in the case of half-filling (metal-insulator transition) and in the doped case. The effect of the low-temperature Kondo scattering on the energy spectrum is analyzed, and the results are compared with the results of the dynamical mean-field theory (DMFT).

  3. Limiting electron beam current for cyclic induction acceleration in a constant guide field

    SciTech Connect (OSTI)

    Kanunnikov, V.N.

    1982-09-01

    Theoretical relations are derived for the limiting beam current in a cyclic induction accelerator (CIA) with a constant guide field. The calculations are in agreement with the available experimental data. It is shown that the limiting average beam current in a CIA is of the order of 100 microamperes, i.e., the level attained in microtrons and linear accelerators. The CIA may find industrial applications.

  4. Thermal flux limited electron Kapitza conductance in copper-niobium multilayers

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

    Cheaito, Ramez; Hattar, Khalid Mikhiel; Gaskins, John T.; Yadav, Ajay K.; Duda, John C.; Beechem, III, Thomas Edwin; Ihlefeld, Jon; Piekos, Edward S.; Baldwin, Jon K.; Misra, Amit; et al

    2015-03-05

    The interplay between the contributions of electron thermal flux and interface scattering to the Kapitza conductance across metal-metal interfaces through measurements of thermal conductivity of copper-niobium multilayers was studied. Thermal conductivities of copper-niobium multilayer films of period thicknesses ranging from 5.4 to 96.2 nm and sample thicknesses ranging from 962 to 2677 nm are measured by time-domain thermoreflectance over a range of temperatures from 78 to 500 K. The Kapitza conductances between the Cu and Nb interfaces in multilayer films are determined from the thermal conductivities using a series resistor model and are in good agreement with the electron diffusemore » mismatch model. The results for the thermal boundary conductance between Cu and Nb are compared to literature values for the thermal boundary conductance across Al-Cu and Pd-Ir interfaces, and demonstrate that the interface conductance in metallic systems is dictated by the temperature derivative of the electron energy flux in the metallic layers, rather than electron mean free path or scattering processes at the interface.« less

  5. Thermal flux limited electron Kapitza conductance in copper-niobium multilayers

    SciTech Connect (OSTI)

    Cheaito, Ramez; Hattar, Khalid Mikhiel; Gaskins, John T.; Yadav, Ajay K.; Duda, John C.; Beechem, III, Thomas Edwin; Ihlefeld, Jon; Piekos, Edward S.; Baldwin, Jon K.; Misra, Amit; Hopkins, Patrick E.

    2015-03-05

    The interplay between the contributions of electron thermal flux and interface scattering to the Kapitza conductance across metal-metal interfaces through measurements of thermal conductivity of copper-niobium multilayers was studied. Thermal conductivities of copper-niobium multilayer films of period thicknesses ranging from 5.4 to 96.2 nm and sample thicknesses ranging from 962 to 2677 nm are measured by time-domain thermoreflectance over a range of temperatures from 78 to 500 K. The Kapitza conductances between the Cu and Nb interfaces in multilayer films are determined from the thermal conductivities using a series resistor model and are in good agreement with the electron diffuse mismatch model. The results for the thermal boundary conductance between Cu and Nb are compared to literature values for the thermal boundary conductance across Al-Cu and Pd-Ir interfaces, and demonstrate that the interface conductance in metallic systems is dictated by the temperature derivative of the electron energy flux in the metallic layers, rather than electron mean free path or scattering processes at the interface.

  6. Enabling X-ray free electron laser crystallography for challenging biological systems from a limited number of crystals

    SciTech Connect (OSTI)

    Uervirojnangkoorn, Monarin; Zeldin, Oliver B.; Lyubimov, Artem Y.; Hattne, Johan; Brewster, Aaron S.; Sauter, Nicholas K.; Brunger, Axel T.; Weis, William I.

    2015-03-17

    There is considerable potential for X-ray free electron lasers (XFELs) to enable determination of macromolecular crystal structures that are difficult to solve using current synchrotron sources. Prior XFEL studies often involved the collection of thousands to millions of diffraction images, in part due to limitations of data processing methods. We implemented a data processing system based on classical post-refinement techniques, adapted to specific properties of XFEL diffraction data. When applied to XFEL data from three different proteins collected using various sample delivery systems and XFEL beam parameters, our method improved the quality of the diffraction data as well as the resulting refined atomic models and electron density maps. Moreover, the number of observations for a reflection necessary to assemble an accurate data set could be reduced to a few observations. These developments will help expand the applicability of XFEL crystallography to challenging biological systems, including cases where sample is limited.

  7. Effect of realistic metal electronic structure on the lower limit of contact resistivity of epitaxial metal-semiconductor contacts

    SciTech Connect (OSTI)

    Hegde, Ganesh Chris Bowen, R.

    2014-08-04

    The effect of realistic metal electronic structure on the lower limit of resistivity in [100] oriented n-Si is investigated using full band Density Functional Theory and Semi-Empirical Tight Binding calculations. It is shown that the ideal metal assumption may fail in some situations and, consequently, underestimate the lower limit of contact resistivity in n-Si by at least an order of magnitude at high doping concentrations. The mismatch in transverse momentum space in the metal and the semiconductor, the so-called valley filtering effect, is shown to be sensitive to the details of the transverse boundary conditions for the unit cells used. The results emphasize the need for explicit inclusion of the metal atomic and electronic structure in the atomistic modeling of transport across metal-semiconductor contacts.

  8. Enabling X-ray free electron laser crystallography for challenging biological systems from a limited number of crystals

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

    Uervirojnangkoorn, Monarin; Zeldin, Oliver B.; Lyubimov, Artem Y.; Hattne, Johan; Brewster, Aaron S.; Sauter, Nicholas K.; Brunger, Axel T.; Weis, William I.

    2015-03-17

    There is considerable potential for X-ray free electron lasers (XFELs) to enable determination of macromolecular crystal structures that are difficult to solve using current synchrotron sources. Prior XFEL studies often involved the collection of thousands to millions of diffraction images, in part due to limitations of data processing methods. We implemented a data processing system based on classical post-refinement techniques, adapted to specific properties of XFEL diffraction data. When applied to XFEL data from three different proteins collected using various sample delivery systems and XFEL beam parameters, our method improved the quality of the diffraction data as well as themore » resulting refined atomic models and electron density maps. Moreover, the number of observations for a reflection necessary to assemble an accurate data set could be reduced to a few observations. These developments will help expand the applicability of XFEL crystallography to challenging biological systems, including cases where sample is limited.« less

  9. Electronic Submersible Pump (ESP) Technology and Limitations with Respect to Geothermal Systems (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2014-09-01

    The current state of geothermal technology has limitations that hinder the expansion of utility scale power. One limitation that has been discussed by the current industry is the limitation of Electric Submersible Pump (ESP) technology. With the exception of a few geothermal fields artificial lift technology is dominated by line shaft pump (LSP) technology. LSP's utilize a pump near or below reservoir depth, which is attached to a power shaft that is attached to a motor above ground. The primary difference between an LSP and an ESP is that an ESP motor is attached directly to the pump which eliminates the power shaft. This configuration requires that the motor is submersed in the geothermal resource. ESP technology is widely used in oil production. However, the operating conditions in an oil field vary significantly from a geothermal system. One of the most notable differences when discussing artificial lift is that geothermal systems operate at significantly higher flow rates and with the potential addition of Enhanced Geothermal Systems (EGS) even greater depths. The depths and flow rates associated with geothermal systems require extreme horsepower ratings. Geothermal systems also operate in a variety of conditions including but not limited to; high temperature, high salinity, high concentrations of total dissolved solids (TDS), and non-condensable gases.

  10. ELECTRON HEAT FLUX IN THE SOLAR WIND: ARE WE OBSERVING THE COLLISIONAL LIMIT IN THE 1 AU DATA?

    SciTech Connect (OSTI)

    Landi, S.; Matteini, L.; Pantellini, F.

    2014-07-20

    Using statistically significant data at 1AU, it has recently been shown (Bale et al.) that in the solar wind, when the Knudsen number K {sub T} (the ratio between the electron mean free path and the electron temperature scale height) drops below about 0.3, the electron heat flux q intensity rapidly approaches the classical collisional Spitzer-Hrm limit. Using a fully kinetic model including the effect of Coulomb collisions and the expansion of the solar wind with heliocentric distance, we observe that the heat flux strength does indeed approach the collisional value for Knudsen numbers smaller than about 0.3 in very good agreement with the observations. However, closer inspection of the heat flux properties, such as its variation with the heliocentric distance and its dependence on the plasma parameters, shows that for Knudsen numbers between 0.02 and 0.3 the heat flux is not conveniently described by the Spitzer-Hrm formula. We conclude that even though observations at 1 AU seem to indicate that the electron heat flux intensity approaches the collisional limit when the Knudsen drops below ?0.3, the collisional limit is not a generally valid closure for a Knudsen larger than 0.01. Moreover, the good agreement between the heat flux from our model and the heat flux from solar wind measurements in the high-Knudsen number regime seems to indicate that the heat flux at 1AU is not constrained by electromagnetic instabilities as both wave-particle and wave-wave interactions are neglected in our calculations.

  11. Exploring the Limits of the Dipole Approximation with Angle-Resolved Electron Time-of-Flight Spectrometry

    SciTech Connect (OSTI)

    Laidman, S.; Pangilinan, J.; Guillemin, R.; Yu, S.U.; Ohrwall, G.; Lindle, D.; Hemmers, O.

    2002-01-01

    Understanding the electronic structure of atoms and molecules is fundamental in determining their basic properties as well as the interactions that occur with different particles such as light. One such interaction is single photoionization; a process in which a photon collides with an atom or molecule and an electron with a certain kinetic energy is emitted, leaving behind a residual ion. Theoretical models of electronic structures use the dipole approximation to simplify x-ray interactions by assuming that the electromagnetic field of the radiation, expressed as a Taylor-series expansion, can be simplified by using only the first term. It has been known for some time that the dipole approximation becomes inaccurate at high photon energies, but the threshold at which this discrepancy begins is ambiguous. In order to enhance our understanding of these limitations, we measured the electron emissions of nitrogen. Beamline 8.0.1 at the Advanced Light Source was used with an electron Time-of-Flight (TOF) end station, which measures the time required for electrons emitted to travel a fixed distance. Data were collected over a broad range of photon energies (413 - 664 eV) using five analyzers rotated to 15 chamber angles. Preliminary analysis indicates that these results confirm the breakdown of the dipole approximation at photon energies well below 1 keV and that this breakdown is greatly enhanced in molecules just above the core-level ionization threshold. As a result, new theoretical models must be made that use higher order terms that were previously truncated.

  12. Limiting Effects in the Transverse-to-Longitudinal Emittance Exchange Technique for Low Energy Relativistic Electron Beams

    SciTech Connect (OSTI)

    Rihaoui, M.M.; Piot, P.; Power, J.G.; Gai, W.; /Argonne

    2009-05-01

    Transverse to longitudinal phase space manipulation hold great promises, e.g., as a potential technique for repartitioning the emittances of a beam. A proof-of-principle experiment to demonstrate the exchange of a low longitudinal emittance with a larger transverse emittance is in preparation at the Argonne Wakefield Accelerator using a {approx}12 MeV electron beam. In this paper we explore the limiting effects of this phase space manipulation method including high order and collective effects. A realistic start-to-end simulation of the planned proof-of-principle experiment including sensitivity studies is also presented.

  13. Laser-to-hot-electron conversion limitations in relativistic laser matter interactions due to multi-picosecond dynamics

    SciTech Connect (OSTI)

    Schollmeier, M.; Sefkow, A. B.; Geissel, M.; Kimmel, M. W.; Rambo, P. K.; Schwarz, J.; Arefiev, A. V.; Flippo, K. A.; Johnson, R. P.; Shimada, T.; Gaillard, S. A.; Offermann, D. T.

    2015-04-15

    High-energy short-pulse lasers are pushing the limits of plasma-based particle acceleration, x-ray generation, and high-harmonic generation by creating strong electromagnetic fields at the laser focus where electrons are being accelerated to relativistic velocities. Understanding the relativistic electron dynamics is key for an accurate interpretation of measurements. We present a unified and self-consistent modeling approach in quantitative agreement with measurements and differing trends across multiple target types acquired from two separate laser systems, which differ only in their nanosecond to picosecond-scale rising edge. Insights from high-fidelity modeling of laser-plasma interaction demonstrate that the ps-scale, orders of magnitude weaker rising edge of the main pulse measurably alters target evolution and relativistic electron generation compared to idealized pulse shapes. This can lead for instance to the experimentally observed difference between 45 MeV and 75 MeV maximum energy protons for two nominally identical laser shots, due to ps-scale prepulse variations. Our results show that the realistic inclusion of temporal laser pulse profiles in modeling efforts is required if predictive capability and extrapolation are sought for future target and laser designs or for other relativistic laser ion acceleration schemes.

  14. Open Access

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

    access, is a type of unrestricted access to scholarly publications that is online, free of charge to everyone and free of most copyright and licensing restrictions. Open...

  15. LANSCE personnel access control system

    SciTech Connect (OSTI)

    Sturrock, J.C.; Gallegos, F.R.; Hall, M.J.

    1997-01-01

    The Radiation Security System (RSS) at the Los Alamos Neutron Science Center (LANSCE) provides personnel protection from prompt radiation due to accelerated beam. The Personnel Access Control System (PACS) is a component of the RSS that is designed to prevent personnel access to areas where prompt radiation is a hazard. PACS was designed to replace several older personnel safety systems (PSS) with a single modem unified design. Lessons learned from the operation over the last 20 years were incorporated into a redundant sensor, single-point failure safe, fault tolerant, and tamper-resistant system that prevents access to the beam areas by controlling the access keys and beam stoppers. PACS uses a layered philosophy to the physical and electronic design. The most critical assemblies are battery backed up, relay logic circuits; less critical devices use Programmable Logic Controllers (PLCs) for timing functions and communications. Outside reviewers have reviewed the operational safety of the design. The design philosophy, lessons learned, hardware design, software design, operation, and limitations of the device are described.

  16. Electron

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

    Electron thermal transport within magnetic islands in the reversed-field pinch a... H. D. Stephens, 1,b͒ D. J. Den Hartog, 1,3 C. C. Hegna, 1,2 and J. A. Reusch 1 1 Department of Physics, University of Wisconsin-Madison, 1150 University Ave., Madison, Wisconsin 53706, USA 2 Department of Engineering Physics, University of Wisconsin-Madison, 1500 Engineering Drive, Madison, Wisconsin 53706, USA 3 Center for Magnetic Self-Organization in Laboratory and Astrophysical Plasmas, University of

  17. Gate Access

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

    Gate Access Print When you first arrive at the ALS, gate clearance will have been arranged for you by the User Office. Berkeley Lab employees and visiting researchers...

  18. Gate Access

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

    to the laboratory. Visitors from outside the U.S. should be prepared to show a valid passport. See Access to the ALS for additional information about visitor procedures at the...

  19. Testing Web Application Accessibility | Department of Energy

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

    Testing Web Application Accessibility Testing Web Application Accessibility Section 508 requires all federal agencies to make their electronic and information technologies accessible to people with disabilities. EERE has specific guidelines for testing applications for accessibility. Use this checklist to see if your applications meet Section 508 requirements. File Testing Web Application Accessibility More Documents & Publications Web Content Analysis and Inventories: Template and FY 2014

  20. Technical Note: Exploring the limit for the conversion of energy-subtracted CT number to electron density for high-atomic-number materials

    SciTech Connect (OSTI)

    Saito, Masatoshi; Tsukihara, Masayoshi

    2014-07-15

    Purpose: For accurate tissue inhomogeneity correction in radiotherapy treatment planning, the authors had previously proposed a novel conversion of the energy-subtracted CT number to an electron density (ΔHU–ρ{sub e} conversion), which provides a single linear relationship between ΔHU and ρ{sub e} over a wide ρ{sub e} range. The purpose of this study is to address the limitations of the conversion method with respect to atomic number (Z) by elucidating the role of partial photon interactions in the ΔHU–ρ{sub e} conversion process. Methods: The authors performed numerical analyses of the ΔHU–ρ{sub e} conversion for 105 human body tissues, as listed in ICRU Report 46, and elementary substances with Z = 1–40. Total and partial attenuation coefficients for these materials were calculated using the XCOM photon cross section database. The effective x-ray energies used to calculate the attenuation were chosen to imitate a dual-source CT scanner operated at 80–140 kV/Sn under well-calibrated and poorly calibrated conditions. Results: The accuracy of the resultant calibrated electron density,ρ{sub e}{sup cal}, for the ICRU-46 body tissues fully satisfied the IPEM-81 tolerance levels in radiotherapy treatment planning. If a criterion of ρ{sub e}{sup cal}/ρ{sub e} − 1 is assumed to be within ±2%, the predicted upper limit of Z applicable for the ΔHU–ρ{sub e} conversion under the well-calibrated condition is Z = 27. In the case of the poorly calibrated condition, the upper limit of Z is approximately 16. The deviation from the ΔHU–ρ{sub e} linearity for higher Z substances is mainly caused by the anomalous variation in the photoelectric-absorption component. Conclusions: Compensation among the three partial components of the photon interactions provides for sufficient linearity of the ΔHU–ρ{sub e} conversion to be applicable for most human tissues even for poorly conditioned scans in which there exists a large variation of effective x-ray energies owing to beam-hardening effects arising from the mismatch between the sizes of the object and the calibration phantom.

  1. Citrix Access

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

    Citrix Access For Employees Citrix Access Please select your primary location. If you have trouble with one location you can select another location. Albany rsa.png smartcard.png Morgantown rsa.png smartcard.png Pittsburgh rsa.png smartcard.png Notice to Users This computer is a Federal computer system and is the property of the United States Government. It is for authorized use only. Users (authorized or unauthorized) have no explicit or implicit expectation of privacy. Any or all uses of this

  2. Accessibility Standard Statement | Department of Energy

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

    Services » Assistive Technology » Accessibility Standard Statement Accessibility Standard Statement The U.S. Department of Energy is committed to making its electronic and information technologies accessible to individuals with disabilities in accordance with Section 508 of the Rehabilitation Act (29 U.S.C. 794d), as amended in 1998. Send feedback or concerns related to the accessibility of this website to DOE Section 508 Coordinator mailbox For more information about Section 508, please visit

  3. Access to the ALS

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

    Access to the ALS Access to the ALS Print User Access The ALS experiment floor (Building 6) is a Controlled Access Area for radiation protection. All ALS users are required to...

  4. Access to UCNI | Department of Energy

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

    UCNI Access to UCNI An authorized person [see § 1017.20(a)] may grant routine access to UCNI to eligible individuals. In order to be eligible for routine access, the person must have a need to know the UCNI in order to perform official duties or other Government-authorized activities and meet the criteria in § 1017.20(b). If a person does not meet the criteria for routine access, a special request for limited access must be submitted in accordance with § 1017.21(a). Policy Questions and

  5. UF Access List | Stanford Synchrotron Radiation Lightsource

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

    UF Access List Palceholder

  6. Remote Access Options

    Energy Savers [EERE]

    Remote Access Options November 2013 Remote Access Options for EITS Customers If access is required to DOE Headquarters internal network resources, such as messaging, productivity tools or network-stored files and folders while away from the DOE building, you can access them through a Virtual Private Network. Follow the instructions below. (Note: You must have access to the Internet to use these services) Virtual Private Network A Virtual Private Network (VPN) is a private connection between two

  7. Solar access of residential rooftops in four California cities...

    Office of Scientific and Technical Information (OSTI)

    Shadows cast by trees and buildings can limit the solar access of rooftop solar-energy systems, including photovoltaic panels and thermal collectors. This study characterizes ...

  8. Accessing Online COR Training

    Broader source: Energy.gov [DOE]

    Contracting Officer’s Representative (COR) training is now be available in an online format. "Accessing Online COR Training" provides a step-by-step guide to access the online COR course. 

  9. Remote Access Options

    Broader source: Energy.gov [DOE]

    If access is required to DOE Headquarters internal network resources, such as messaging, productivity tools or network-stored files and folders while away from the DOE building, you can access them through a Virtual Private Network.

  10. LANL access restrictions lifted

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

    lifted LANL access restrictions lifted Vehicle access points on West Jemez Road will be open to non-badge holders. August 6, 2012 Los Alamos National Laboratory sits on top of a...

  11. Keys to Access: Argonne-INCREASE partnership opens doors to collaborat...

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

    Lacking access to world-class research tools limits the types of questions a cancer researcher or aerospace engineer can ask. This lack of access also limits their ability to...

  12. Bharat Electronics Limited BEL | Open Energy Information

    Open Energy Info (EERE)

    products and turnkey systems with expertise in solar products and systems, defence communication, radars & sensors, telecommunication, broadcasting equipments, e-governance...

  13. Access, Compiling and Running Jobs

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

    Access Compiling and Running Jobs Access, Compiling and Running Jobs Access Dirac Dirac can be accessed by logging into carver.nersc.gov. Compile To compile your code, you need to...

  14. Access to Capital

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

    IPR 2008 Capital Investment Review CIR 2012 Quarterly Business Review Focus 2028 2011 Strategic Capital Discussions Access to Capital Debt Optimization Asset Management Cost...

  15. Energy Data Access

    Broader source: Energy.gov [DOE]

    Access to energy data presents a significant opportunity for many organizations interested in energy management, benchmarking, disclosure, and energy efficiency services.

  16. Access to the ALS

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

    Access to the ALS Print User Access The ALS experiment floor (Building 6) is a Controlled Access Area for radiation protection. All ALS users are required to register with the ALS User Services Office and take safety training (see Complete Safety Training ) before they are issued a Berkeley Lab ID badge and granted access to the facility. Note: Users arriving at the ALS outside registration business hours (Monday-Friday 8:00 a.m.-4:00 p.m.) must notify the User Office in advance and have all

  17. Limited English Proficiency | Department of Energy

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

    Limited English Proficiency Limited English Proficiency On August 11, 2000, President Clinton signed Executive Order 13166, "Improving Access to Services for Persons with Limited English Proficiency." The Executive Order requires federal agencies, including the Department of Energy, to examine the programs and services they provide, to determine whether there is a need for language assistance for persons with Limited English proficiency (LEP) related to their programs and services, and

  18. PIA - Savannah River Nuclear Solutions Electronic Safeguards...

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

    Meeting registration web site PIA - HSPD-12 Physical and Logical Access System PIA - Savannah River Nuclear Solution SRNS Electronic Document Workflow RECORDS System (EDWS

  19. Accessibility - Hanford Site

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

    of Energy is committed to providing access to our Web pages for individuals with disabilities. To meet this committment, this site is built to comply with the requirements of...

  20. Access to the ALS

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

    to the Laboratory. Visitors from outside the U.S. should be prepared to show a valid passport. Persons whose work requires unescorted access must register with the User Office ....

  1. Caf Systems Express Access Form

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

    Cognos Report Access checkboxes (as applicable). Access to Monthly Financials & Supply Chain folders is included with any selections below. BudgetCOA - Capital project,...

  2. Nation Radiobiology Archives Distributed Access

    Energy Science and Technology Software Center (OSTI)

    1992-06-01

    NRADA1.1 is a supplement to NRADA1.0. This version eliminates several bugs, and includes a few new features. The diskettes consist of a distributed subset of information representative of the extensive NRA databases and database access software maintained at the Pacific Northwest Laboratory which provide an introduction to the scope and style of the NRA Information Systems. Information in the NRA Summary, Inventory, and Bibliographic database is available upon request. Printed reports have been provided inmore » the past. The completion of the NRADA1.1 is the realization of a long standing goal of the staff and advisory committee. Information may be easily distributed to the user in an electronic form which preserves the relationships between the various databases.« less

  3. RE: NBP RFI: Data Access In the Matter of Implementing the National...

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

    access to detailed energy information in electronic form--including real-time information from smart meters, historical consumption data, and pricing and billing information. ...

  4. Special Access Programs

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

    2011-03-29

    This Order is for OFFICIAL USE ONLY and will not be distributed on the Directives' Portal. For distribution, please contact the Executive Secretary of the Special Access Program Oversight Committee at (202) 586-3345. Does not cancel/supersede other directives.

  5. VEHICLE ACCESS PORTALS

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

    Jemez Road (Map 2) VEHICLE ACCESS PORTALS Changes Effective January 11, 2010 Traffc Lane 1: No stop required. Drivers must slow down to 15 MPH while nearing and driving through the lane Traffc Lane 2: Closed except for random inspections. Note: All vehicles (commercial, private, government) are subject to random inspections while on Laboratory property. More Information: spp-questions@lanl.gov

  6. Access to Capital Roundtable

    Energy Savers [EERE]

    Access to Capital Roundtable Matt Eden September 23, 2015 2015 NATIONAL TRIBAL ENERGY SUMMIT Introduction  Getting significant energy-related projects off the ground in Indian Country can be significantly harder than for private land-owners  Greenfield development anywhere is nearly impossible, and the complications and political risks of dealing with Tribes can be overwhelming  However, the opportunities to build commercial scale renewable and traditional energy resources in Indian

  7. VEHICLE ACCESS PORTALS

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

    Jemez Road (Map 1) VEHICLE ACCESS PORTALS Traffc Lane 1: Closed except for emergencies and maintenance operations. Traffc Lanes 2-7: Drivers required to stop and present LANL badges or other form of valid identifcation to Protective Force offcers. Drivers may proceed upon direction of the offcers. Note: Commercial delivery vehicle drivers must also pres- ent their inspection passes from Post 10. More Information: spp-questions@lanl.gov Non-work Hours Vehicles entering LANL at the East Jemez VAPs

  8. LANSCE Beam Current Limiter (XL)

    SciTech Connect (OSTI)

    Gallegos, F.R.; Hall, M.J.

    1997-01-01

    The Radiation Security System (RSS) at the Los Alamos Neutron Science Center (LANSCE) is an engineered safety system that provides personnel protection from prompt radiation due to accelerated proton beams. The Beam Current Limiter (XL), as an active component of the RSS, limits the maximum average current in a beamline, thus the current available for a beam spill accident. Exceeding the pre-set limit initiates action by the RSS to mitigate the hazard (insertion of beam stoppers in the low energy beam transport). The beam limiter is an electrically isolated, toroidal transformer and associated electronics. The device was designed to continuously monitor beamline currents independent of any external timing. Fail-safe operation was a prime consideration in its development. Fail-safe operation is defined as functioning as intended (due to redundant circuitry), functioning with a more sensitive fault threshold, or generating a fault condition. This report describes the design philosophy, hardware, implementation, operation, and limitations of the device.

  9. Suppression of x-rays generated by runaway electrons in ATF

    SciTech Connect (OSTI)

    Rasmussen, D.A.; England, A.C.; Eberle, C.C.; Devan, W.R.; Harris, J.H.; Jernigan, T.C.; Kindsfather, R.R.; Morris, R.N.; Murakami, M.; Neilson, G.H.

    1987-01-01

    X-ray emission from runaway electrons on ATF is a serious issue. Runaway suppression techniques used on Heliotron-E are not adequate for ATF. Three approaches have been developed to suppress runaway production. Monitoring devices have been installed in occupied areas and personnel access and exposure will be limited. Additional shielding will be added as required. These systems will be ready for installation and testing on ATF prior to commissioning or first plasma operation.

  10. Electron Heat Transport Measured

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

    Heat Transport Measured in a Stochastic Magnetic Field T. M. Biewer, * C. B. Forest, ... limit of s &29; 1, RR assumed the electron heat flux to be diffusive, obeying Fourier's ...

  11. Electron radiography

    DOE Patents [OSTI]

    Merrill, Frank E.; Morris, Christopher

    2005-05-17

    A system capable of performing radiography using a beam of electrons. Diffuser means receive a beam of electrons and diffuse the electrons before they enter first matching quadrupoles where the diffused electrons are focused prior to the diffused electrons entering an object. First imaging quadrupoles receive the focused diffused electrons after the focused diffused electrons have been scattered by the object for focusing the scattered electrons. Collimator means receive the scattered electrons and remove scattered electrons that have scattered to large angles. Second imaging quadrupoles receive the collimated scattered electrons and refocus the collimated scattered electrons and map the focused collimated scattered electrons to transverse locations on an image plane representative of the electrons' positions in the object.

  12. Remote Access | The Ames Laboratory

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

    Ames Laboratory Information Systems supports VPN for remotely accessing internal computers and network services. These are: Once connected remotely to Ames Laboratory,...

  13. Atomic memory access hardware implementations

    DOE Patents [OSTI]

    Ahn, Jung Ho; Erez, Mattan; Dally, William J

    2015-02-17

    Atomic memory access requests are handled using a variety of systems and methods. According to one example method, a data-processing circuit having an address-request generator that issues requests to a common memory implements a method of processing the requests using a memory-access intervention circuit coupled between the generator and the common memory. The method identifies a current atomic-memory access request from a plurality of memory access requests. A data set is stored that corresponds to the current atomic-memory access request in a data storage circuit within the intervention circuit. It is determined whether the current atomic-memory access request corresponds to at least one previously-stored atomic-memory access request. In response to determining correspondence, the current request is implemented by retrieving data from the common memory. The data is modified in response to the current request and at least one other access request in the memory-access intervention circuit.

  14. Access, Compiling and Running Jobs

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

    Access Compiling and Running Jobs Access, Compiling and Running Jobs Access Dirac Dirac can be accessed by logging into carver.nersc.gov. Compile To compile your code, you need to land on a dirac compute node 1st: qsub -q dirac_reg -l nodes=1 -l walltime=00:30:00 -I After you are inside the job, you can load the necessary module for compile: module unload pgi module unload openmpi module unload cuda module load gcc-sl6 module load openmpi-gcc-sl6 module load cuda Now you can compile your code.

  15. Vehicle barrier with access delay

    DOE Patents [OSTI]

    Swahlan, David J; Wilke, Jason

    2013-09-03

    An access delay vehicle barrier for stopping unauthorized entry into secure areas by a vehicle ramming attack includes access delay features for preventing and/or delaying an adversary from defeating or compromising the barrier. A horizontally deployed barrier member can include an exterior steel casing, an interior steel reinforcing member and access delay members disposed within the casing and between the casing and the interior reinforcing member. Access delay members can include wooden structural lumber, concrete and/or polymeric members that in combination with the exterior casing and interior reinforcing member act cooperatively to impair an adversarial attach by thermal, mechanical and/or explosive tools.

  16. Remote direct memory access

    DOE Patents [OSTI]

    Archer, Charles J.; Blocksome, Michael A.

    2012-12-11

    Methods, parallel computers, and computer program products are disclosed for remote direct memory access. Embodiments include transmitting, from an origin DMA engine on an origin compute node to a plurality target DMA engines on target compute nodes, a request to send message, the request to send message specifying a data to be transferred from the origin DMA engine to data storage on each target compute node; receiving, by each target DMA engine on each target compute node, the request to send message; preparing, by each target DMA engine, to store data according to the data storage reference and the data length, including assigning a base storage address for the data storage reference; sending, by one or more of the target DMA engines, an acknowledgment message acknowledging that all the target DMA engines are prepared to receive a data transmission from the origin DMA engine; receiving, by the origin DMA engine, the acknowledgement message from the one or more of the target DMA engines; and transferring, by the origin DMA engine, data to data storage on each of the target compute nodes according to the data storage reference using a single direct put operation.

  17. Speed control system for an access gate

    DOE Patents [OSTI]

    Bzorgi, Fariborz M.

    2012-03-20

    An access control apparatus for an access gate. The access gate typically has a rotator that is configured to rotate around a rotator axis at a first variable speed in a forward direction. The access control apparatus may include a transmission that typically has an input element that is operatively connected to the rotator. The input element is generally configured to rotate at an input speed that is proportional to the first variable speed. The transmission typically also has an output element that has an output speed that is higher than the input speed. The input element and the output element may rotate around a common transmission axis. A retardation mechanism may be employed. The retardation mechanism is typically configured to rotate around a retardation mechanism axis. Generally the retardation mechanism is operatively connected to the output element of the transmission and is configured to retard motion of the access gate in the forward direction when the first variable speed is above a control-limit speed. In many embodiments the transmission axis and the retardation mechanism axis are substantially co-axial. Some embodiments include a freewheel/catch mechanism that has an input connection that is operatively connected to the rotator. The input connection may be configured to engage an output connection when the rotator is rotated at the first variable speed in a forward direction and configured for substantially unrestricted rotation when the rotator is rotated in a reverse direction opposite the forward direction. The input element of the transmission is typically operatively connected to the output connection of the freewheel/catch mechanism.

  18. Adjudicative Guidelines for Determining Eligibility for Access...

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

    Adjudicative Guidelines for Determining Eligibility for Access to Classified Information Adjudicative Guidelines for Determining Eligibility for Access to Classified Information ...

  19. Internal Controls Over Sensitive Compartmented Information Access...

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

    Compartmented Information Access for Selected Field Intelligence Elements, IG-0796 Internal Controls Over Sensitive Compartmented Information Access for Selected Field ...

  20. Environmental Justice and Public Participation Through Electronic Access

    Broader source: Energy.gov [DOE]

    For more than a decade, Hyde Park residents and other community residents have worked to improve our living conditions. Our work has been hampered by the multitude of industrial facilities,...

  1. Detection and response to unauthorized access to a communication device

    DOE Patents [OSTI]

    Smith, Rhett; Gordon, Colin

    2015-09-08

    A communication gateway consistent with the present disclosure may detect unauthorized physical or electronic access and implement security actions in response thereto. A communication gateway may provide a communication path to an intelligent electronic device (IED) using an IED communications port configured to communicate with the IED. The communication gateway may include a physical intrusion detection port and a network port. The communication gateway may further include control logic configured to evaluate physical intrusion detection signal. The control logic may be configured to determine that the physical intrusion detection signal is indicative of an attempt to obtain unauthorized access to one of the communication gateway, the IED, and a device in communication with the gateway; and take a security action based upon the determination that the indication is indicative of the attempt to gain unauthorized access.

  2. Limited_Burn_CX_10-26-09.pdf

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

    Limited English Proficiency Limited English Proficiency On August 11, 2000, President Clinton signed Executive Order 13166, "Improving Access to Services for Persons with Limited English Proficiency." The Executive Order requires federal agencies, including the Department of Energy, to examine the programs and services they provide, to determine whether there is a need for language assistance for persons with Limited English proficiency (LEP) related to their programs and services, and

  3. ACCESSING SUBCONTRACTOR EMPLOYMENT RECORDS | Department of Energy

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

    ACCESSING SUBCONTRACTOR EMPLOYMENT RECORDS ACCESSING SUBCONTRACTOR EMPLOYMENT RECORDS Federal officials, on occasion, may seek access to contractor or subcontractor employment and personnel records. There are circumstances in which such access is appropriate and permissible. But access should only be granted in circumstances that demonstrate such access is authorized and that creates a record of such access that can be reviewed. PDF icon All executive branch employees are subject to statutory

  4. Precision electron polarimetry

    SciTech Connect (OSTI)

    Chudakov, Eugene A.

    2013-11-01

    A new generation of precise Parity-Violating experiments will require a sub-percent accuracy of electron beam polarimetry. Compton polarimetry can provide such accuracy at high energies, but at a few hundred MeV the small analyzing power limits the sensitivity. M{\\o}ller polarimetry provides a high analyzing power independent on the beam energy, but is limited by the properties of the polarized targets commonly used. Options for precision polarimetry at ~300 MeV will be discussed, in particular a proposal to use ultra-cold atomic hydrogen traps to provide a 100\\%-polarized electron target for M{\\o}ller polarimetry.

  5. Flow reversal power limit for the HFBR (Technical Report) | SciTech...

    Office of Scientific and Technical Information (OSTI)

    Flow reversal power limit for the HFBR Citation Details In-Document Search Title: Flow reversal power limit for the HFBR You are accessing a document from the Department of ...

  6. Get Access to Work Onsite

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

    Get Access to Work Onsite Print The following process MUST be completed online by new and returning users at least TWO WEEKS prior to arrival at the ALS. Not a U.S. citizen? Please...

  7. Accessing Your Account for the ...

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

    Information: Telephone Number: (505) 284-4743 Accessing your Account for the First Time Once you have requested a registered user account, your information will be reviewed by an...

  8. NBP RFI: Data Access | Department of Energy

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

    Grid: Data Access, Third Party Use, and Privacy PDF icon NBP RFI: Data Access More ... Grid: Data Access, Third Party Use, and Privacy Re: U.S. Department of Energy Request for ...

  9. 2e Carbon Access | Open Energy Information

    Open Energy Info (EERE)

    e Carbon Access Jump to: navigation, search Name: 2e Carbon Access Place: New York, New York Zip: 10280 Sector: Carbon Product: 2E Carbon Access is an enterprise focused solely on...

  10. Electron Transfer

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

    3 Pierre Kennepohl1,2 and Edward Solomon1* 1Department of Chemistry, Stanford University, Stanford, CA 94305 Electron transfer, or the act of moving an electron from one place to another, is amongst the simplest of chemical processes, yet certainly one of the most critical. The process of efficiently and controllably moving electrons around is one of the primary regulation mechanisms in biology. Without stringent control of electrons in living organisms, life could simply not exist. For example,

  11. Visitor Hanford Computer Access Request - Hanford Site

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

    Visitor Hanford Computer Access Request Visitor Hanford Computer Access Request Visitor Hanford Computer Access Request Visitor Hanford Computer Access Request Email Email Page | Print Print Page |Text Increase Font Size Decrease Font Size The U.S. Department of Energy (DOE), Richland Operations Office (RL), in compliance with the 'Tri-Party Agreement Databases, Access Mechanism and Procedures' document, DOE/RL-93-69, Revision 5; set forth the requirements for access to the Hanford Site computer

  12. A brightness exceeding simulated Langmuir limit

    SciTech Connect (OSTI)

    Nakasuji, Mamoru

    2013-08-15

    When an excitation of the first lens determines a beam is parallel beam, a brightness that is 100 times higher than Langmuir limit is measured experimentally, where Langmuir limits are estimated using a simulated axial cathode current density which is simulated based on a measured emission current. The measured brightness is comparable to Langmuir limit, when the lens excitation is such that an image position is slightly shorter than a lens position. Previously measured values of brightness for cathode apical radii of curvature 20, 60, 120, 240, and 480 ?m were 8.7, 5.3, 3.3, 2.4, and 3.9 times higher than their corresponding Langmuir limits, respectively, in this experiment, the lens excitation was such that the lens and the image positions were 180 mm and 400 mm, respectively. From these measured brightness for three different lens excitation conditions, it is concluded that the brightness depends on the first lens excitation. For the electron gun operated in a space charge limited condition, some of the electrons emitted from the cathode are returned to the cathode without having crossed a virtual cathode. Therefore, method that assumes a Langmuir limit defining method using a Maxwellian distribution of electron velocities may need to be revised. For the condition in which the values of the exceeding the Langmuir limit are measured, the simulated trajectories of electrons that are emitted from the cathode do not cross the optical axis at the crossover, thus the law of sines may not be valid for high brightness electron beam systems.

  13. U-205: RSA Access Manager Session Replay Flaw Lets Remote Users Access the System

    Broader source: Energy.gov [DOE]

    A vulnerability was reported in RSA Access Manager. A remote user can gain access to the target system.

  14. Argonne Site Access | Advanced Photon Source

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

    Getting Started Users Home Introduction to APS New User Checklist Argonne Site Access My APS Portal My APS Portal Argonne Site Access Argonne National Laboratory is a...

  15. Access Venture Partners | Open Energy Information

    Open Energy Info (EERE)

    Venture Partners Jump to: navigation, search Logo: Access Venture Partners Name: Access Venture Partners Address: 8787 Turnpike Drive, Suite 260 Place: Westminster, Colorado Zip:...

  16. NBP RFI: Data Access | Department of Energy

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

    Data Access More Documents & Publications Re: DOE Request for Information - Implementing the National Broadband Plan by Empowering Consumers and the Smart Grid: Data Access, ...

  17. Limited Test Ban Treaty

    National Nuclear Security Administration (NNSA)

    Detection System (USNDS), which monitors compliance with the international Limited Test Ban Treaty (LTBT). The LTBT, signed by 108 countries, prohibits nuclear testing in the...

  18. Wind Access and Permitting Law

    Broader source: Energy.gov [DOE]

    The law also defines a limited set of reasonable restrictions that governments and associations are permitted to use in regulating residential wind energy systems. Any limitations put in place may...

  19. Golden Reading Room: Office of Acquisition Documents, Sole of Limited

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

    Source Justifications | Department of Energy Sole of Limited Source Justifications Golden Reading Room: Office of Acquisition Documents, Sole of Limited Source Justifications Below are electronic versions of Golden Field Office Reading Room documents that were created after November 1, 1996, per the requirements of the Electronic Freedom of Information Act Amendment of 1996. Most documents are available in Adobe Acrobat Portable Document Format (PDF). Sole of Limited Source Justificati

  20. Jefferson Lab Public Affairs: Electronic Media

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

    Electronic Media Privacy and Security Notice Skip over navigation Search the JLab Site Electronic Media Please upgrade your browser. This site's design is only visible in a graphical browser that supports web standards, but its content is accessible to any browser. Concerns? Electronic Media Navigation About Public Affairs Web Design Photography Video Portfolio print version Staff Dean Golembeski Manager (x7689) photo@jlab.org Photography/Video (x5102 ) Joanna Griffin Graphics/Multimedia (x7209)

  1. NBP_RFI_Data_Access.PDF | Department of Energy

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

    NBPRFIDataAccess.PDF NBPRFIDataAccess.PDF PDF icon NBPRFIDataAccess.PDF More Documents & Publications NBPRFICommunicationsRequirements.PDF NBP RFI: Data Access RE: NBP ...

  2. PIA - Foreign Access Central Tracking System (FACTS) | Department...

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

    Access Central Tracking System (FACTS) PIA - Foreign Access Central Tracking System (FACTS) PIA - Foreign Access Central Tracking System (FACTS) PDF icon PIA - Foreign Access ...

  3. ETTP Security Access Control System (ESACS) | Department of Energy

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

    ETTP Security Access Control System (ESACS) ETTP Security Access Control System (ESACS) ETTP Security Access Control System (ESACS) PDF icon ETTP Security Access Control System ...

  4. Optical limiting materials

    DOE Patents [OSTI]

    McBranch, Duncan W.; Mattes, Benjamin R.; Koskelo, Aaron C.; Heeger, Alan J.; Robinson, Jeanne M.; Smilowitz, Laura B.; Klimov, Victor I.; Cha, Myoungsik; Sariciftci, N. Serdar; Hummelen, Jan C.

    1998-01-01

    Optical limiting materials. Methanofullerenes, fulleroids and/or other fullerenes chemically altered for enhanced solubility, in liquid solution, and in solid blends with transparent glass (SiO.sub.2) gels or polymers, or semiconducting (conjugated) polymers, are shown to be useful as optical limiters (optical surge protectors). The nonlinear absorption is tunable such that the energy transmitted through such blends saturates at high input energy per pulse over a wide range of wavelengths from 400-1100 nm by selecting the host material for its absorption wavelength and ability to transfer the absorbed energy into the optical limiting composition dissolved therein. This phenomenon should be generalizable to other compositions than substituted fullerenes.

  5. CONTROL LIMITER DEVICE

    DOE Patents [OSTI]

    DeShong, J.A.

    1960-03-01

    A control-limiting device for monltoring a control system is described. The system comprises a conditionsensing device, a condition-varying device exerting a control over the condition, and a control means to actuate the condition-varying device. A control-limiting device integrates the total movement or other change of the condition-varying device over any interval of time during a continuum of overlapping periods of time, and if the tothl movement or change of the condition-varying device exceeds a preset value, the control- limiting device will switch the control of the operated apparatus from automatic to manual control.

  6. Expanding Solar Access to Nonprofits

    Broader source: Energy.gov [DOE]

    The Solar Foundation is leading a team that developed the CivicPACE program through an award from the SunShot Initiative. CivicPACE addresses the underwriting and access challenges of solar financing for tax-exempt organizations, such as churches, nonprofit affordable housing, community clinics, and education institutions.

  7. Laser-to-hot-electron conversion limitations in relativistic...

    Office of Scientific and Technical Information (OSTI)

    This can lead for instance to the experimentally observed difference between 45 MeV and 75 MeV maximum energy protons for two nominally identical laser shots, due to ps-scale ...

  8. Consumer Electronics

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

    & Events Expand News & Events Skip navigation links Residential Residential Lighting Energy Star Appliances Consumer Electronics Heat Pump Water Heaters Electric Storage Water...

  9. Coherent electron cooling

    SciTech Connect (OSTI)

    Litvinenko,V.

    2009-05-04

    Cooling intense high-energy hadron beams remains a major challenge in modern accelerator physics. Synchrotron radiation is still too feeble, while the efficiency of two other cooling methods, stochastic and electron, falls rapidly either at high bunch intensities (i.e. stochastic of protons) or at high energies (e-cooling). In this talk a specific scheme of a unique cooling technique, Coherent Electron Cooling, will be discussed. The idea of coherent electron cooling using electron beam instabilities was suggested by Derbenev in the early 1980s, but the scheme presented in this talk, with cooling times under an hour for 7 TeV protons in the LHC, would be possible only with present-day accelerator technology. This talk will discuss the principles and the main limitations of the Coherent Electron Cooling process. The talk will describe the main system components, based on a high-gain free electron laser driven by an energy recovery linac, and will present some numerical examples for ions and protons in RHIC and the LHC and for electron-hadron options for these colliders. BNL plans a demonstration of the idea in the near future.

  10. PEAK LIMITING AMPLIFIER

    DOE Patents [OSTI]

    Goldsworthy, W.W.; Robinson, J.B.

    1959-03-31

    A peak voltage amplitude limiting system adapted for use with a cascade type amplifier is described. In its detailed aspects, the invention includes an amplifier having at least a first triode tube and a second triode tube, the cathode of the second tube being connected to the anode of the first tube. A peak limiter triode tube has its control grid coupled to thc anode of the second tube and its anode connected to the cathode of the second tube. The operation of the limiter is controlled by a bias voltage source connected to the control grid of the limiter tube and the output of the system is taken from the anode of the second tube.

  11. Chapter_12_Special_Access_Programs

    Office of Environmental Management (EM)

    2 Special Access Programs This chapter describes the DOE Special Access Program (SAP) at DOE HQ and implements the requirements of: * Executive Order 13526, Classified National Security Information, Section 4.3, Special Access Programs, and Section 5.4, General Responsibilities, subparagraph (d). * DOE Order 471.5, Special Access Programs. A SAP is a program established for a specific class of classified information that imposes safeguarding and access requirements exceeding those normally

  12. Sandia National Laboratories: Rad-Hard Electronics and Trusted Services

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

    Rad-Hard Electronics and Trusted Services Sensors Sandia's Microsystems Center affords access to trusted resources and facilities for research and development, design, layout, fabrication, characterization, packaging, and test Custom Solutions Trusted Electronic Microsystems The Sandia National Laboratories Microsystems Engineering and Sciences Applications (MESA) complex has achieved Defense MicroElectronics Activity (DMEA) Category 1A Trust Accreditation for trusted services including design,

  13. Security Clearances; Limitations

    Energy Savers [EERE]

    SEC. 1072. SECURITY CLEARANCES; LIMITATIONS. (a) In General.-Title III of the Intelligence Reform and Terrorism Prevention Act of 2004 (50 U.S.C. 435b) is amended by adding at the end the following new section: "SEC. 3002. SECURITY CLEARANCES; LIMITATIONS. "(a) Definitions.-In this section: "(1) Controlled substance.-The term `controlled substance' has the meaning given that term in section 102 of the Controlled Substances Act (21 U.S.C. 802). "(2) Covered person.-The term

  14. Optical limiting materials

    DOE Patents [OSTI]

    McBranch, D.W.; Mattes, B.R.; Koskelo, A.C.; Heeger, A.J.; Robinson, J.M.; Smilowitz, L.B.; Klimov, V.I.; Cha, M.; Sariciftci, N.S.; Hummelen, J.C.

    1998-04-21

    Methanofullerenes, fulleroids and/or other fullerenes chemically altered for enhanced solubility, in liquid solution, and in solid blends with transparent glass (SiO{sub 2}) gels or polymers, or semiconducting (conjugated) polymers, are shown to be useful as optical limiters (optical surge protectors). The nonlinear absorption is tunable such that the energy transmitted through such blends saturates at high input energy per pulse over a wide range of wavelengths from 400--1,100 nm by selecting the host material for its absorption wavelength and ability to transfer the absorbed energy into the optical limiting composition dissolved therein. This phenomenon should be generalizable to other compositions than substituted fullerenes. 5 figs.

  15. Access to Capital | Department of Energy

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

    Soft Costs Access to Capital Access to Capital Photo of a room full of people seated in rows with a few standing in the background. Two hands in the crowd are holding up sheets ...

  16. Accelerator physics and technology limitations to ultimate energy and

    Office of Scientific and Technical Information (OSTI)

    luminosity in very large hadron colliders (Conference) | SciTech Connect Accelerator physics and technology limitations to ultimate energy and luminosity in very large hadron colliders Citation Details In-Document Search Title: Accelerator physics and technology limitations to ultimate energy and luminosity in very large hadron colliders × You are accessing a document from the Department of Energy's (DOE) SciTech Connect. This site is a product of DOE's Office of Scientific and Technical

  17. DOE Public Access Plan | Department of Energy

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

    DOE Public Access Plan DOE Public Access Plan On February 22, 2013, the Director of the White House Office of Science and Technology Policy (OSTP), Dr. John Holdren, issued a memorandum to all agency and department heads entitled, "Increasing Access to the Results of Federally Funded Scientific Research." The memo directed federal agencies with more than $100 million in annual conduct of research and development to develop plans for increasing public access to peer-reviewed scientific

  18. REMOTE ACCESS SERVICES | Department of Energy

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

    REMOTE ACCESS SERVICES REMOTE ACCESS SERVICES Three people holding signs that say "We Work Remotely." Three people holding signs that say "We Work Remotely." Energy IT Services (EITS) Remote Access Services: Outlook Web Access RSA Token Login RSA Token Instructions HSPD-12 Login HSPD-12 Badge Instructions Virtual Private Network As of May 1, 2014, only Government-Furnished Equipment (GFE) provisioned by EITS will be allowed to connect via EITS Virtual Private Networking (VPN)

  19. Identity, Credential, and Access Management (ICAM)

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

    2013-02-19

    To establish requirements and responsibilities for DOE identity, credential, and access management program. Cancels DOE N 206.4.

  20. Heat flux limiting sleeves

    DOE Patents [OSTI]

    Harris, William G. (Tampa, FL)

    1985-01-01

    A heat limiting tubular sleeve extending over only a portion of a tube having a generally uniform outside diameter, the sleeve being open on both ends, having one end thereof larger in diameter than the other end thereof and having a wall thickness which decreases in the same direction as the diameter of the sleeve decreases so that the heat transfer through the sleeve and tube is less adjacent the large diameter end of the sleeve than adjacent the other end thereof.

  1. Get Access to Work Onsite

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

    Get Access to Work Onsite Print The following process MUST be completed online by new and returning users at least TWO WEEKS prior to arrival at the ALS. Not a U.S. citizen? Please look at Documents for Foreign Nationals well ahead of your visit. Bring all relevant documents to the ALS in order to complete your registration. NOTE: Users who are citizens of, or were born in, T4 countries (Cuba, Iran, Sudan, and Syria) need DOE permission to work at the ALS, a process which can take 4-6 months to

  2. Electron Bernstein Wave Research on CDX-U and NSTX

    SciTech Connect (OSTI)

    Taylor, G.; Efthimion, P.C.; Jones, B.; Hosea, J.C.; Kaita, R.; LeBlanc, B.P.; Majeski, R.; Munsat, T.; Phillips, C.K.; Spaleta, J.; Wilson, J.R.; Rasmussen, D.; Bell, G.; Bigelow, T.S.; Carter, M.D.; Swain, D.W.; Wilgen, J.B.; Ram, A.K.; Bers, A.; Harvey, R.W.; and Forest, C.B.

    2001-05-18

    Mode-converted electron Bernstein waves (EBWs) potentially allow the measurement of local electron temperature (Te) and the implementation of local heating and current drive in spherical torus (ST) devices, which are not directly accessible to low harmonic electron cyclotron waves. This paper reports on the measurement of X-mode radiation mode-converted from EBWs observed normal to the magnetic field on the midplane of the Current Drive Experiment-Upgrade (CDX-U) and the National Spherical Torus Experiment (NSTX) spherical torus plasmas. The radiation temperature of the EBW emission was compared to Te measured by Thomson scattering and Langmuir probes. EBW mode-conversion efficiencies of over 20% were measured on both CDX-U and NSTX. Sudden increases of mode-conversion efficiency, of over a factor of three, were observed at high-confinement-mode transitions on NSTX, when the measured edge density profile steepened. The EBW mode-conversion efficiency was found to depend on the density gradient at the mode-conversion layer in the plasma scrape-off, consistent with theoretical predictions. The EBW emission source was determined by a perturbation technique to be localized at the electron cyclotron resonance layer and was successfully used for radial transport studies. Recently, a new in-vessel antenna and Langmuir probe array were installed on CDX-U to better characterize and enhance the EBW mode-conversion process. The probe incorporates a local adjustable limiter to control and maximize the mode-conversion efficiency in front of the antenna by modifying the density profile in the plasma scrape-off where fundamental EBW mode conversion occurs. Initial results show that the mode-conversion efficiency can be increased to {approximately}100% when the local limiter is inserted near the mode-conversion layer. Plans for future EBW research, including EBW heating and current-drive studies, are discussed.

  3. Electron tube

    DOE Patents [OSTI]

    Suyama, Motohiro; Fukasawa, Atsuhito; Arisaka, Katsushi; Wang, Hanguo

    2011-12-20

    An electron tube of the present invention includes: a vacuum vessel including a face plate portion made of synthetic silica and having a surface on which a photoelectric surface is provided, a stem portion arranged facing the photoelectric surface and made of synthetic silica, and a side tube portion having one end connected to the face plate portion and the other end connected to the stem portion and made of synthetic silica; a projection portion arranged in the vacuum vessel, extending from the stem portion toward the photoelectric surface, and made of synthetic silica; and an electron detector arranged on the projection portion, for detecting electrons from the photoelectric surface, and made of silicon.

  4. Accelerating Access | OSTI, US Dept of Energy, Office of Scientific and

    Office of Scientific and Technical Information (OSTI)

    Technical Information Accelerating Access Achievements Home Milestones Honors and Recognition Shared Knowledge Is the Enabler of Scientific Progress OSTI is dedicated to the principle that, to advance science, research must be shared. With its proven track record in electronic delivery of groundbreaking information tools and services, OSTI is a leader in increasing access to the government's vast stores of R&D results. As OSTI has increased precision and power of information search

  5. Electronic system

    DOE Patents [OSTI]

    Robison, G H; Dickson, J F

    1960-11-15

    An electronic system is designed for indicating the occurrence of a plurality of electrically detectable events within predetermined time intervals. The system comprises separate input means electrically associated with the events under observation an electronic channel associated with each input means, including control means and indicating means; timing means adapted to apply a signal from the input means after a predetermined time to the control means to deactivate each of the channels; and means for resetting the system to its initial condition after the observation of each group of events. (D.L.C.)

  6. ELECTRONIC SYSTEM

    DOE Patents [OSTI]

    Robison, G.H. et al.

    1960-11-15

    An electronic system is described for indicating the occurrence of a plurality of electrically detectable events within predetermined time intervals. It is comprised of separate input means electrically associated with the events under observation: an electronic channel associated with each input means including control means and indicating means; timing means associated with each of the input means and the control means and adapted to derive a signal from the input means and apply it after a predetermined time to the control means to effect deactivation of each of the channels; and means for resetting the system to its initial condition after observation of each group of events.

  7. Fault current limiter

    DOE Patents [OSTI]

    Darmann, Francis Anthony

    2013-10-08

    A fault current limiter (FCL) includes a series of high permeability posts for collectively define a core for the FCL. A DC coil, for the purposes of saturating a portion of the high permeability posts, surrounds the complete structure outside of an enclosure in the form of a vessel. The vessel contains a dielectric insulation medium. AC coils, for transporting AC current, are wound on insulating formers and electrically interconnected to each other in a manner such that the senses of the magnetic field produced by each AC coil in the corresponding high permeability core are opposing. There are insulation barriers between phases to improve dielectric withstand properties of the dielectric medium.

  8. (Limiting the greenhouse effect)

    SciTech Connect (OSTI)

    Rayner, S.

    1991-01-07

    Traveler attended the Dahlem Research Conference organized by the Freien Universitat, Berlin. The subject of the conference was Limiting the Greenhouse Effect: Options for Controlling Atmospheric CO{sub 2} Accumulation. Like all Dahlem workshops, this was a meeting of scientific experts, although the disciplines represented were broader than usual, ranging across anthropology, economics, international relations, forestry, engineering, and atmospheric chemistry. Participation by scientists from developing countries was limited. The conference was divided into four multidisciplinary working groups. Traveler acted as moderator for Group 3 which examined the question What knowledge is required to tackle the principal social and institutional barriers to reducing CO{sub 2} emissions'' The working rapporteur was Jesse Ausubel of Rockefeller University. Other working groups examined the economic costs, benefits, and technical feasibility of options to reduce emissions per unit of energy service; the options for reducing energy use per unit of GNP; and the significant of linkage between strategies to reduce CO{sub 2} emissions and other goals. Draft reports of the working groups are appended. Overall, the conference identified a number of important research needs in all four areas. It may prove particularly important in bringing the social and institutional research needs relevant to climate change closer to the forefront of the scientific and policy communities than hitherto.

  9. Comments of consumer electronics association | Department of Energy

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

    consumer electronics association Comments of consumer electronics association The Consumer Electronics Association ("CEA") respectfully submits these comments in response to the Department of Energy's ("DOE") Request for Information ("RFI") in the captioned proceeding. PDF icon Comments of consumer electronics association More Documents & Publications Re: NBP RFI: Data Access A POLICY FRAMEWORK FOR THE 21st CENTURY GRID: Enabling Our Secure Energy Future

  10. Approaching the Shockley-Queisser limit: General assessment of the main limiting mechanisms in photovoltaic cells

    SciTech Connect (OSTI)

    Vossier, Alexis Gualdi, Federico; Dollet, Alain; Ares, Richard; Aimez, Vincent

    2015-01-07

    In principle, the upper efficiency limit of any solar cell technology can be determined using the detailed-balance limit formalism. However, “real” solar cells show efficiencies which are always below this theoretical value due to several limiting mechanisms. We study the ability of a solar cell architecture to approach its own theoretical limit, using a novel index introduced in this work, and the amplitude with which the different limiting mechanisms affect the cell efficiency is scrutinized as a function of the electronic gap and the illumination level to which the cell is submitted. The implications for future generations of solar cells aiming at an improved conversion of the solar spectrum are also addressed.

  11. SLAC All Access: Laser Labs

    ScienceCinema (OSTI)

    Minitti, Mike; Woods Mike

    2014-06-03

    From supermarket checkouts to video game consoles, lasers are ubiquitous in our lives. Here at SLAC, high-power lasers are critical to the cutting-edge research conducted at the laboratory. But, despite what you might imagine, SLAC's research lasers bear little resemblance to the blasters and phasers of science fiction. In this edition of All Access we put on our safety goggles for a peek at what goes on inside some of SLAC's many laser labs. LCLS staff scientist Mike Minitti and SLAC laser safety officer Mike Woods detail how these lasers are used to study the behavior of subatomic particles, broaden our understanding of cosmic rays and even unlock the mysteries of photosynthesis.

  12. Sealed head access area enclosure

    DOE Patents [OSTI]

    Golden, Martin P.; Govi, Aldo R.

    1978-01-01

    A liquid-metal-cooled fast breeder power reactor is provided with a sealed head access area enclosure disposed above the reactor vessel head consisting of a plurality of prefabricated structural panels including a center panel removably sealed into position with inflatable seals, and outer panels sealed into position with semipermanent sealant joints. The sealant joints are located in the joint between the edge of the panels and the reactor containment structure and include from bottom to top an inverted U-shaped strip, a lower layer of a room temperature vulcanizing material, a separator strip defining a test space therewithin, and an upper layer of a room temperature vulcanizing material. The test space is tapped by a normally plugged passage extending to the top of the enclosure for testing the seal or introducing a buffer gas thereinto.

  13. Property:EnergyAccessYearInitiated | Open Energy Information

    Open Energy Info (EERE)

    + Burkina Faso Energy Access Project + 2007 + E Ethiopia Energy Access Project + 2005 + G Ghana Energy Development and Access Project (GEDAP) + 2007 + M Mongolia Renewable Energy...

  14. NBP RFI: Data Access Honeywell Responses To Request for Information...

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

    Grid: Data Access, Third Party Use, and Privacy NBP RFI: Data Access Honeywell Responses ... Grid: Data Access, Third Party Use, and Privacy Comments from Honeywell on DOE Request ...

  15. IEA-Electricity Access Database | Open Energy Information

    Open Energy Info (EERE)

    - Energy Access Resource Type: Dataset Website: www.iea.orgweoelectricity.asp Language: English IEA-Electricity Access Database Screenshot References: Electricity Access...

  16. Property:EnergyAccessWebsite | Open Energy Information

    Open Energy Info (EERE)

    search Property Name EnergyAccessWebsite Property Type URL Description Energy Access Source Retrieved from "http:en.openei.orgwindex.php?titleProperty:EnergyAccessWeb...

  17. Property:EnergyAccessPartner | Open Energy Information

    Open Energy Info (EERE)

    search Property Name EnergyAccessPartner Property Type Boolean Description Energy Access Partner Retrieved from "http:en.openei.orgwindex.php?titleProperty:EnergyAccessPa...

  18. ENSURING ACCESS TO FEDERALLY CONDUCTED PROGRAMS AND ACTIVITIES BY INDIVIDUALS WITH LIMITED

    Energy Savers [EERE]

    9

  19. Timminco Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Jump to: navigation, search Name: Timminco Limited Place: Toronto, Ontario, Canada Zip: M5H 1J9 Product: Canadian manufacturer of magnesium and silicon; operates its...

  20. Supplier's Quick Guide to Sandia Electronic Invoicing

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

    Supplier's Quick Guide to Sandia Electronic Invoicing Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. 2 Table of Contents ACCESS TO ISUPPLIER & OTHER INFORMATION:

  1. ELECTRONIC MULTIPLIER

    DOE Patents [OSTI]

    Collier, D.M.; Meeks, L.A.; Palmer, J.P.

    1961-01-31

    S>An electronic multiplier is described for use in analog computers. Two electrical input signals are received; one controls the slope of a saw-tooth voltage wave while the other controls the time duration of the wave. A condenser and diode clamps are provided to sustain the crest voltage reached by the wave, and for storing that voltage to provide an output signal which is a steady d-c voltage.

  2. Electron Bernstein

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

    Bernstein wave emission from an overdense reversed field pinch plasma P. K. Chattopadhyay, J. K. Anderson, T. M. Biewer, D. Craig, and C. B. Forest a) Department of Physics, University of Wisconsin, Madison, Wisconsin 53706 R. W. Harvey CompX, Del Mar, California 92014 A. P. Smirnov Moscow State University, Moscow, Russia ͑Received 11 October 2001; accepted 20 November 2001͒ Blackbody levels of emission in the electron cyclotron range of frequencies have been observed from an overdense (␻ pe

  3. ELECTRON GUN

    DOE Patents [OSTI]

    Christofilos, N.C.; Ehlers, K.W.

    1960-04-01

    A pulsed electron gun capable of delivering pulses at voltages of the order of 1 mv and currents of the order of 100 amperes is described. The principal novelty resides in a transformer construction which is disposed in the same vacuum housing as the electron source and accelerating electrode structure of the gun to supply the accelerating potential thereto. The transformer is provided by a plurality of magnetic cores disposed in circumferentially spaced relation and having a plurality of primary windings each inductively coupled to a different one of the cores, and a helical secondary winding which is disposed coaxially of the cores and passes therethrough in circumferential succession. Additional novelty resides in the disposition of the electron source cathode filament input leads interiorly of the transformer secondary winding which is hollow, as well as in the employment of a half-wave filament supply which is synchronously operated with the transformer supply such that the transformer is pulsed during the zero current portions of the half-wave cycle.

  4. Electronic security device

    DOE Patents [OSTI]

    Eschbach, E.A.; LeBlanc, E.J.; Griffin, J.W.

    1992-03-17

    The present invention relates to a security device having a control box containing an electronic system and a communications loop over which the system transmits a signal. The device is constructed so that the communications loop can extend from the control box across the boundary of a portal such as a door into a sealed enclosure into which access is restricted whereby the loop must be damaged or moved in order for an entry to be made into the enclosure. The device is adapted for detecting unauthorized entries into such enclosures such as rooms or containers and for recording the time at which such entries occur for later reference. Additionally, the device detects attempts to tamper or interfere with the operation of the device itself and records the time at which such events take place. In the preferred embodiment, the security device includes a microprocessor-based electronic system and a detection module capable of registering changes in the voltage and phase of the signal transmitted over the loop. 11 figs.

  5. Electronic security device

    DOE Patents [OSTI]

    Eschbach, Eugene A.; LeBlanc, Edward J.; Griffin, Jeffrey W.

    1992-01-01

    The present invention relates to a security device having a control box (12) containing an electronic system (50) and a communications loop (14) over which the system transmits a signal. The device is constructed so that the communications loop can extend from the control box across the boundary of a portal such as a door into a sealed enclosure into which access is restricted whereby the loop must be damaged or moved in order for an entry to be made into the enclosure. The device is adapted for detecting unauthorized entries into such enclosures such as rooms or containers and for recording the time at which such entries occur for later reference. Additionally, the device detects attempts to tamper or interfere with the operation of the device itself and records the time at which such events take place. In the preferred embodiment, the security device includes a microprocessor-based electronic system (50) and a detection module (72) capable of registering changes in the voltage and phase of the signal transmitted over the loop.

  6. ELECTRONIC PHASE CONTROL CIRCUIT

    DOE Patents [OSTI]

    Salisbury, J.D.; Klein, W.W.; Hansen, C.F.

    1959-04-21

    An electronic circuit is described for controlling the phase of radio frequency energy applied to a multicavity linear accelerator. In one application of the circuit two cavities are excited from a single radio frequency source, with one cavity directly coupled to the source and the other cavity coupled through a delay line of special construction. A phase detector provides a bipolar d-c output signal proportional to the difference in phase between the voltage in the two cavities. This d-c signal controls a bias supply which provides a d-c output for varying the capacitnce of voltage sensitive capacitors in the delay line. The over-all operation of the circuit is completely electronic, overcoming the time response limitations of the electromechanical control systems, and the relative phase relationship of the radio frequency voltages in the two caviiies is continuously controlled to effect particle acceleration.

  7. User Access Program | Argonne National Laboratory

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

    User Access Program Objective Submission Guidelines Proposal Review Process User Modes Multi-User Facility Proposals User Agreements Proprietary and Nonproprietary Research User Access Allocation, Scheduling, Recording, and Data Retention Public Information Notice Safety, Orientation, and Training Acknowledge CNM Support in Published Work Amendments and Renewals 1. Objective The objective of the Center for Nanoscale Materials (CNM) user program is to provide the user community with access to

  8. SLAC Access Update | Stanford Synchrotron Radiation Lightsource

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

    SLAC Access Update Effective October 2015, visit the SUSB VUE Center for badging and SLAC access. Before traveling to SLAC, please complete these procedures. 1. Register through the user portal to provide or update contact information; also confirm your proximity access/expiration through the user portal. 2. Alert us of all experimenters who will participate in scheduled experiments by listing everyone on proposals & beam time/support requests. Contact URA to add additional members to your

  9. Access to CNM | Argonne National Laboratory

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

    Access and Use Energy Data Access and Use Energy Data SLSC_access and use.png Whether you represent a single building, campus, or municipality, any energy efficiency improvement or data management program should include activities such as benchmarking, establishing an energy baseline, and verifying and validating results to identify impacts and effectiveness. The resources available here cover the following topics related to energy data management and evaluation. Benchmarking Benchmarking

  10. RE: NBP RFI: Data Access | Department of Energy

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

    Grid: Data Access, Third Party Use, and Privacy PDF icon RE: NBP RFI: Data Access More ... Grid: Data Access, Third Party Use, and Privacy Department of Energy Data Access and ...

  11. Chapter_12_Special_Access_Programs

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

    Order 13526, Classified National Security Information, Section 4.3, Special Access ... exceeding those normally required for information at the same classification level. ...

  12. Ethiopia Energy Access Project | Open Energy Information

    Open Energy Info (EERE)

    Energy Access Project Location of project Ethiopia Energy Services Lighting, Cooking and water heating, Information and communications Year initiated 2005 Organization World Bank...

  13. ORISE Resources: Puerto Rico Equal Access Program

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

    Puerto Rico Equal Access Program: Programa de Igualdad de Acceso para Puerto Rico: Recursos de Informacin del VIHSIDA de la Biblioteca Nacional de Medicina Workbook The Oak...

  14. Access to Records Under The Privacy Act

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

    Outreach Doing Business Expand Doing Business Skip navigation links Newsroom About Us Civil Rights - EEO Freedom of Information Act The Freedom of Information Act Access to...

  15. Access Fund Partners LP | Open Energy Information

    Open Energy Info (EERE)

    Partners, LP Place: San Juan Capistrano, California Zip: 92675 Product: Boutique investment banking and investment advisory firm with clean energy focus References: Access Fund...

  16. Access Solar Energy LLC | Open Energy Information

    Open Energy Info (EERE)

    Solar Energy LLC Jump to: navigation, search Name: Access Solar Energy LLC Place: Park CIty, Utah Zip: 84060 Sector: Renewable Energy, Solar Product: Utah-based developers of...

  17. Accounts & Access | Argonne Leadership Computing Facility

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

    Account Information Accounts and Access FAQ Connect & Log In Using CRYPTOCards Disk Space Quota Management Allocations MiraCetusVesta Cooley Policies Documentation Feedback...

  18. Model Requests for Access or Correction

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

    Model-Requests-for-Access-or-Correction Sign In About | Careers | Contact | Investors | bpa.gov Search News & Us Expand News & Us Projects & Initiatives Expand Projects &...

  19. WYDOT Access Manual | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library PermittingRegulatory Guidance - GuideHandbook: WYDOT Access ManualPermittingRegulatory GuidanceGuideHandbook Abstract...

  20. Utility Data Accessibility Map | Open Energy Information

    Open Energy Info (EERE)

    utility company to see your electricity data access options. Select the Benchmarking or Demand ResponseEnergy Efficiency map to find out whether your utility provides sufficient...

  1. Colorado - Access Permit Application File Review Checklist |...

    Open Energy Info (EERE)

    Jump to: navigation, search OpenEI Reference LibraryAdd to library General: Colorado - Access Permit Application File Review Checklist Author Colorado Department of Transportation...

  2. Access Business Systems | Argonne National Laboratory

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

    system (such as Windows, Mac, Linux, Apple IOS, Android) Through most browsers (Internet Explorer, Firefox, Safari; Chrome is not currently recommended) All access is through...

  3. Automatic recovery of missing amplitudes and phases in tilt-limited...

    Office of Scientific and Technical Information (OSTI)

    Automatic recovery of missing amplitudes and phases in tilt-limited electron crystallography of two-dimensional crystals Citation Details In-Document Search Title: Automatic...

  4. Limitations and improvements for harmonic generation measurements

    SciTech Connect (OSTI)

    Best, Steven; Croxford, Anthony; Neild, Simon

    2014-02-18

    A typical acoustic harmonic generation measurement comes with certain limitations. Firstly, the use of the plane wave-based analysis used to extract the nonlinear parameter, β, ignores the effects of diffraction, attenuation and receiver averaging which are common to most experiments, and may therefore limit the accuracy of a measurement. Secondly, the method usually requires data obtained from a through-transmission type setup, which may not be practical in a field measurement scenario where access to the component is limited. Thirdly, the technique lacks a means of pinpointing areas of damage in a component, as the measured nonlinearity represents an average over the length of signal propagation. Here we describe a three-dimensional model of harmonic generation in a sound beam, which is intended to provide a more realistic representation of a typical experiment. The presence of a reflecting boundary is then incorporated into the model to assess the feasibility of performing single-sided measurements. Experimental validation is provided where possible. Finally, a focusing acoustic source is modelled to provide a theoretical indication of the afforded advantages when the nonlinearity is localized.

  5. Investigation of density limit processes in DIII-D

    SciTech Connect (OSTI)

    Maingi, R.; Mahdavi, M.A.; Petrie, T.W.

    1999-02-01

    A series of experiments has been conducted in DIII-D to investigate density-limiting processes. The authors have studied divertor detachment and MARFEs on closed field lines and find semi-quantitative agreement with theoretical calculations of onset conditions. They have shown that the critical density for MARFE onset at low edge temperature scales as I{sub p}/a{sup 2}, i.e. similar to Greenwald scaling. They have also shown that the scaling of the critical separatrix density with heating power at partial detachment onset agrees with Borass` model. Both of these processes yield high edge density limits for reactors such as ITER. By using divertor pumping and pellet fueling they have avoided these and other processes and accessed densities > 1.5{times} Greenwald limit scaling with H-mode confinement, demonstrating that the Greenwald limit is not a fundamental limit on the core density.

  6. T-606: Sun Java System Access Manager Lets Remote Users Partially Modify Data and Remote Authenticated Users Partially Access Data

    Broader source: Energy.gov [DOE]

    Sun Java System Access Manager Lets Remote Users Partially Modify Data and Remote Authenticated Users Partially Access Data.

  7. Limited Electricity Generation Supply and Limited Natural Gas Supply Cases (released in AEO2008)

    Reports and Publications (EIA)

    2008-01-01

    Development of U.S. energy resources and the permitting and construction of large energy facilities have become increasingly difficult over the past 20 years, and they could become even more difficult in the future. Growing public concern about global warming and CO2 emissions also casts doubt on future consumption of fossil fuels -- particularly coal, which releases the largest amount of CO2 per unit of energy produced. Even without regulations to limit greenhouse gas emissions in the United States, the investment community may already be limiting the future use of some energy options. In addition, there is considerable uncertainty about the future availability of, and access to, both domestic and foreign natural gas resources.

  8. Parallel Access of Out-Of-Core Dense Extendible Arrays

    SciTech Connect (OSTI)

    Otoo, Ekow J; Rotem, Doron

    2007-07-26

    Datasets used in scientific and engineering applications are often modeled as dense multi-dimensional arrays. For very large datasets, the corresponding array models are typically stored out-of-core as array files. The array elements are mapped onto linear consecutive locations that correspond to the linear ordering of the multi-dimensional indices. Two conventional mappings used are the row-major order and the column-major order of multi-dimensional arrays. Such conventional mappings of dense array files highly limit the performance of applications and the extendibility of the dataset. Firstly, an array file that is organized in say row-major order causes applications that subsequently access the data in column-major order, to have abysmal performance. Secondly, any subsequent expansion of the array file is limited to only one dimension. Expansions of such out-of-core conventional arrays along arbitrary dimensions, require storage reorganization that can be very expensive. Wepresent a solution for storing out-of-core dense extendible arrays that resolve the two limitations. The method uses a mapping function F*(), together with information maintained in axial vectors, to compute the linear address of an extendible array element when passed its k-dimensional index. We also give the inverse function, F-1*() for deriving the k-dimensional index when given the linear address. We show how the mapping function, in combination with MPI-IO and a parallel file system, allows for the growth of the extendible array without reorganization and no significant performance degradation of applications accessing elements in any desired order. We give methods for reading and writing sub-arrays into and out of parallel applications that run on a cluster of workstations. The axial-vectors are replicated and maintained in each node that accesses sub-array elements.

  9. Foreign National Access to DOE Cyber Systems

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

    1999-11-01

    DOE N 205.16, dated 9-15-05, extends this Notice until 9-30-06, unless sooner rescinded. To ensure foreign national access to DOE cyber systems continues to advance DOE program objectives while enforcing information access restrictions.

  10. COMMENTARY:Limits to adaptation

    SciTech Connect (OSTI)

    Preston, Benjamin L

    2013-01-01

    An actor-centered, risk-based approach to defining limits to social adaptation provides a useful analytic framing for identifying and anticipating these limits and informing debates over society s responses to climate change.

  11. Neutral depletion and the helicon density limit

    SciTech Connect (OSTI)

    Magee, R. M.; Galante, M. E.; Carr, J. Jr.; Lusk, G.; McCarren, D. W.; Scime, E. E.

    2013-12-15

    It is straightforward to create fully ionized plasmas with modest rf power in a helicon. It is difficult, however, to create plasmas with density >10{sup 20} m{sup ?3}, because neutral depletion leads to a lack of fuel. In order to address this density limit, we present fast (1 MHz), time-resolved measurements of the neutral density at and downstream from the rf antenna in krypton helicon plasmas. At the start of the discharge, the neutral density underneath the antenna is reduced to 1% of its initial value in 15 ?s. The ionization rate inferred from these data implies that the electron temperature near the antenna is much higher than the electron temperature measured downstream. Neutral density measurements made downstream from the antenna show much slower depletion, requiring 14 ms to decrease by a factor of 1/e. Furthermore, the downstream depletion appears to be due to neutral pumping rather than ionization.

  12. Electronic Coupling Dependence of Ultrafast Interfacial Electron...

    Office of Scientific and Technical Information (OSTI)

    Electron Transfer on Nanocrystalline Thin Films and Single Crystal Lian, Tianquan 14 SOLAR ENERGY The long-term goal of the proposed research is to understand electron transfer...

  13. PROJECT PROFILE: Correlative Electronic Spectroscopies for Increasing

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

    Photovoltaic Efficiency | Department of Energy Correlative Electronic Spectroscopies for Increasing Photovoltaic Efficiency PROJECT PROFILE: Correlative Electronic Spectroscopies for Increasing Photovoltaic Efficiency Funding Opportunity: SuNLaMP SunShot Subprogram: Photovoltaics Location: National Renewable Energy Laboratory, Golden, CO Amount Awarded: $2,000,000 Recombination limits open-circuit voltages in thin film photovoltaic (PV) devices to 60-65% of the thermodynamic limit. The

  14. Molecular-Frame Angular Distributions of Resonant Auger Electrons

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

    Molecular-Frame Angular Distributions of Resonant Auger Electrons Print Molecular-frame electron angular distribution (MFAD) measurements provide access to an unprecedented level of detailed information about phenomena involving quantum coherence, such as phases of photoelectron waves, symmetry breaking in molecular dissociation, core-hole localization in molecules, and molecular double-slit interference, all of which are hidden in conventional gas-phase electron spectroscopy, owing to the

  15. Molecular-Frame Angular Distributions of Resonant Auger Electrons

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

    Molecular-Frame Angular Distributions of Resonant Auger Electrons Print Molecular-frame electron angular distribution (MFAD) measurements provide access to an unprecedented level of detailed information about phenomena involving quantum coherence, such as phases of photoelectron waves, symmetry breaking in molecular dissociation, core-hole localization in molecules, and molecular double-slit interference, all of which are hidden in conventional gas-phase electron spectroscopy, owing to the

  16. Molecular-Frame Angular Distributions of Resonant Auger Electrons

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

    Molecular-Frame Angular Distributions of Resonant Auger Electrons Print Molecular-frame electron angular distribution (MFAD) measurements provide access to an unprecedented level of detailed information about phenomena involving quantum coherence, such as phases of photoelectron waves, symmetry breaking in molecular dissociation, core-hole localization in molecules, and molecular double-slit interference, all of which are hidden in conventional gas-phase electron spectroscopy, owing to the

  17. Molecular-Frame Angular Distributions of Resonant Auger Electrons

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

    Molecular-Frame Angular Distributions of Resonant Auger Electrons Print Molecular-frame electron angular distribution (MFAD) measurements provide access to an unprecedented level of detailed information about phenomena involving quantum coherence, such as phases of photoelectron waves, symmetry breaking in molecular dissociation, core-hole localization in molecules, and molecular double-slit interference, all of which are hidden in conventional gas-phase electron spectroscopy, owing to the

  18. Molecular-Frame Angular Distributions of Resonant Auger Electrons

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

    Molecular-Frame Angular Distributions of Resonant Auger Electrons Print Molecular-frame electron angular distribution (MFAD) measurements provide access to an unprecedented level of detailed information about phenomena involving quantum coherence, such as phases of photoelectron waves, symmetry breaking in molecular dissociation, core-hole localization in molecules, and molecular double-slit interference, all of which are hidden in conventional gas-phase electron spectroscopy, owing to the

  19. Molecular-Frame Angular Distributions of Resonant Auger Electrons

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

    Molecular-Frame Angular Distributions of Resonant Auger Electrons Print Molecular-frame electron angular distribution (MFAD) measurements provide access to an unprecedented level of detailed information about phenomena involving quantum coherence, such as phases of photoelectron waves, symmetry breaking in molecular dissociation, core-hole localization in molecules, and molecular double-slit interference, all of which are hidden in conventional gas-phase electron spectroscopy, owing to the

  20. Molecular-Frame Angular Distributions of Resonant Auger Electrons

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

    Molecular-Frame Angular Distributions of Resonant Auger Electrons Molecular-Frame Angular Distributions of Resonant Auger Electrons Print Wednesday, 27 May 2009 00:00 Molecular-frame electron angular distribution (MFAD) measurements provide access to an unprecedented level of detailed information about phenomena involving quantum coherence, such as phases of photoelectron waves, symmetry breaking in molecular dissociation, core-hole localization in molecules, and molecular double-slit

  1. NBP RFI: Data Access | Department of Energy

    Energy Savers [EERE]

    Neustar, Inc. ("Neustar") hereby submits comments in response to the captioned Request for Information ("RFI") of the Department of Energy ("DOE"). The RFI seeks information on smart grid privacy and data collection policies, as well as third-party access to smart grid data and the role of the consumer in balancing the benefits of access and privacy. PDF icon NBP RFI: Data Access More Documents & Publications Neustar White Paper: When Smart Grids Grow Smart

  2. Techniques to Access Databases and Integrate Data for Hydrologic Modeling

    SciTech Connect (OSTI)

    Whelan, Gene; Tenney, Nathan D.; Pelton, Mitchell A.; Coleman, Andre M.; Ward, Duane L.; Droppo, James G.; Meyer, Philip D.; Dorow, Kevin E.; Taira, Randal Y.

    2009-06-17

    This document addresses techniques to access and integrate data for defining site-specific conditions and behaviors associated with ground-water and surface-water radionuclide transport applicable to U.S. Nuclear Regulatory Commission reviews. Environmental models typically require input data from multiple internal and external sources that may include, but are not limited to, stream and rainfall gage data, meteorological data, hydrogeological data, habitat data, and biological data. These data may be retrieved from a variety of organizations (e.g., federal, state, and regional) and source types (e.g., HTTP, FTP, and databases). Available data sources relevant to hydrologic analyses for reactor licensing are identified and reviewed. The data sources described can be useful to define model inputs and parameters, including site features (e.g., watershed boundaries, stream locations, reservoirs, site topography), site properties (e.g., surface conditions, subsurface hydraulic properties, water quality), and site boundary conditions, input forcings, and extreme events (e.g., stream discharge, lake levels, precipitation, recharge, flood and drought characteristics). Available software tools for accessing established databases, retrieving the data, and integrating it with models were identified and reviewed. The emphasis in this review was on existing software products with minimal required modifications to enable their use with the FRAMES modeling framework. The ability of four of these tools to access and retrieve the identified data sources was reviewed. These four software tools were the Hydrologic Data Acquisition and Processing System (HDAPS), Integrated Water Resources Modeling System (IWRMS) External Data Harvester, Data for Environmental Modeling Environmental Data Download Tool (D4EM EDDT), and the FRAMES Internet Database Tools. The IWRMS External Data Harvester and the D4EM EDDT were identified as the most promising tools based on their ability to access and retrieve the required data, and their ability to integrate the data into environmental models using the FRAMES environment.

  3. On the density limit in the helicon plasma sources

    SciTech Connect (OSTI)

    Kotelnikov, Igor A.

    2014-12-15

    Existence of the density limit in the helicon plasma sources is revisited. The low- and high-frequency regimes of a helicon plasma source operation are distinguished. In the low-frequency regime with ω<√(ω{sub ci}ω{sub ce}), the density limit is deduced from the Golant-Stix criterion of the accessibility of the lower hybrid resonance. In the high-frequency case, ω>√(ω{sub ci}ω{sub ce}), an appropriate limit is given by the Shamrai-Taranov criterion. Both these criteria are closely related to the phenomenon of the coalescence of the helicon wave with the Trivelpiece-Gould mode. We draw a conclusion that the derived density limits are not currently achieved in existing devices, perhaps, because of high energy cost of gas ionization.

  4. Integration of access control and ancillary information systems

    SciTech Connect (OSTI)

    Rodriguez, J.R.; Ahrens, J.S.

    1995-07-01

    The DOE has identified the Lawrence Livermore National Laboratory ARGUS system as the standard entry control system for the DOE Complex. ARGUS integrates several key functions, specifically, badging, entry control, and verification of clearance status. Not all sites need or can afford an ARGUS system. Such sites are therefore limited to commercial equipment which provide ARGUS like features. In this project an alternative way to integrate commercial equipment into an integrated system to include badging, access control, property control, and automated verification of clearance status has been investigated. Such a system would provide smaller sites the same functionality as is provided by ARGUS. Further, it would allow sites to fully participate in the DOE`s concept of Complex wide access control. This multi-year task is comprised of three phases. Phase 1, system requirements and definitions, and phase 2, software and hardware development, were completed during fiscal year 1994. This report covers these two phases and the demonstration system which resulted. Phase three would employ the demonstration system to evaluate system performance, identify operational limits and to integrate additional features. The demonstration system includes a badging station, a database server, a managers workstation, an entry control system, and a property protection system. The functions have been integrated through the use of custom interfaces and operator screens which greatly increase ease of use.

  5. Access to OUO | Department of Energy

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

    DOE M 471.3-1, Admin Chg 1, Chapter II, Paragraph 1, details who may have access to OUO. This means you can give an OUO document to anyone you think needs it to perform his or her ...

  6. JOBAID-ACCESSING AND MODIFYING TALENT PROFILE

    Broader source: Energy.gov [DOE]

    The purpose of this job aid is to guide users through the step-by-step process of accessing their talent profiles, adding information to their profiles, and editing existing talent profile...

  7. Access Energy Coop | Open Energy Information

    Open Energy Info (EERE)

    Energy Coop Jump to: navigation, search Name: Access Energy Coop Place: Iowa Phone Number: 319-385-1577 or 1-866-242-4232 Website: www.accessenergycoop.com Facebook: https:...

  8. Radioactive hot cell access hole decontamination machine

    DOE Patents [OSTI]

    Simpson, William E.

    1982-01-01

    Radioactive hot cell access hole decontamination machine. A mobile housing has an opening large enough to encircle the access hole and has a shielding door, with a door opening and closing mechanism, for uncovering and covering the opening. The housing contains a shaft which has an apparatus for rotating the shaft and a device for independently translating the shaft from the housing through the opening and access hole into the hot cell chamber. A properly sized cylindrical pig containing wire brushes and cloth or other disks, with an arrangement for releasably attaching it to the end of the shaft, circumferentially cleans the access hole wall of radioactive contamination and thereafter detaches from the shaft to fall into the hot cell chamber.

  9. Access to Clean Water | GE Global Research

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

    ways to allow more humans to have access to clean water?" You Might Also Like IMG0475 Innovation 247: We're Always Open 2-7-12-v-green-energy-innovations What Works: Mark...

  10. CNM User Access Program Overview | Argonne National Laboratory

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

    User Access Program Overview The Center for Nanoscale Materials (CNM) user program provides access to equipment, facilities, and personnel that support CNM's overall focus on nanoscale materials. The CNM makes access available to the international scientific community through a general user access program. Proposals are submitted through a web-based process. PDF icon CNM User Access Program Overview

  11. Visitor Control / Site Access - Hanford Site

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

    About Us Hanford Site Wide Programs Visitor Control / Site Access About Us About Hanford Cleanup Hanford History Hanford Site Wide Programs Contact Us Visitor Control / Site Access Email Email Page | Print Print Page |Text Increase Font Size Decrease Font Size Planning to come to the Hanford Site? Map of Hanford Map of Hanford If you are planning on coming to Hanford as part of a job assignment, tour, or event, you need to be familiar with the requirements and restrictions associated with being

  12. SLAC Lightsource User Access Guidelines and Agreement

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

    Lightsource User Access Guidelines & Agreement August 3, 2011 SLAC-I-030-306-001-00-R002 1 SLAC Lightsource User Access Guidelines and Agreement LCLS / SSRL User Research Administration approval (signature/date): LCLS Safety Office approval (signature/date): SSRL Safety Office approval (signature/date): XFO Operations approval (signature/date): Revision Record Revision Date Revised Section(s) Affected Description of Change R001 October 4 th , 2010 User Form Updated SLAC Lightsource User

  13. Construction progress of the RHIC electron lenses

    SciTech Connect (OSTI)

    Fischer W.; Altinbas, Z.; Anerella, M.; Beebe, E.; et al

    2012-05-20

    In polarized proton operation the RHIC performance is limited by the head-on beam-beam effect. To overcome this limitation two electron lenses are under construction. We give an overview of the construction progress. Guns, collectors and the warm electron beam transport solenoids with their power supplies have been constructed. The superconducting solenoids that guide the electron beam during the interaction with the proton beam are near completion. A test stand has been set up to verify the performance of the gun, collector and some of the instrumentation. The infrastructure is being prepared for installation, and simulations continue to optimize the performance.

  14. Lysanda Limited | Open Energy Information

    Open Energy Info (EERE)

    CM8 3GA Product: US-based vehicle engineering consultancy with a technology capable of playing a role in vehicle emissions management. References: Lysanda Limited1 This...

  15. PURAC Limited | Open Energy Information

    Open Energy Info (EERE)

    technology and project management company in the environment sector and specialising in water, wastewater and municpal waste treatment. References: PURAC Limited1 This article...

  16. Solfex Limited | Open Energy Information

    Open Energy Info (EERE)

    Jump to: navigation, search Name: Solfex Limited Address: Energy Arena Bannister Hall Works Off Shop Lane, Higher Walton Preston, Lancashire PR5 4DZ Place: Preston, United...

  17. Conditions for diffusion-limited and reaction-limited recombination in nanostructured solar cells

    SciTech Connect (OSTI)

    Ansari-Rad, Mehdi; Department of Physics, University of Shahrood, Shahrood ; Anta, Juan A.; Arzi, Ezatollah

    2014-04-07

    The performance of Dye-sensitized solar cells (DSC) and related devices made of nanostructured semiconductors relies on a good charge separation, which in turn is achieved by favoring charge transport against recombination. Although both processes occur at very different time scales, hence ensuring good charge separation, in certain cases the kinetics of transport and recombination can be connected, either in a direct or an indirect way. In this work, the connection between electron transport and recombination in nanostructured solar cells is studied both theoretically and by Monte Carlo simulation. Calculations using the Multiple-Trapping model and a realistic trap distribution for nanostructured TiO{sub 2} show that for attempt-to-jump frequencies higher than 10{sup 11}10{sup 13} Hz, the system adopts a reaction limited (RL) regime, with a lifetime which is effectively independent from the speed of the electrons in the transport level. For frequencies lower than those, and depending on the concentration of recombination centers in the material, the system enters a diffusion-limited regime (DL), where the lifetime increases if the speed of free electrons decreases. In general, the conditions for RL or DL recombination depend critically on the time scale difference between recombination kinetics and free-electron transport. Hence, if the former is too rapid with respect to the latter, the system is in the DL regime and total thermalization of carriers is not possible. In the opposite situation, a RL regime arises. Numerical data available in the literature, and the behavior of the lifetime with respect to (1) density of recombination centers and (2) probability of recombination at a given center, suggest that a typical DSC in operation stays in the RL regime with complete thermalization, although a transition to the DL regime may occur for electrolytes or hole conductors where recombination is especially rapid or where there is a larger dispersion of energies of electron acceptors.

  18. RE: NBP RFI: Data Access | Department of Energy

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

    Grid: Data Access, Third Party Use, and Privacy PDF icon RE: NBP RFI: Data Access More ... Grid: Data Access, Third Party Use, and Privacy Reply comments to DOE Request for ...

  19. FUEL CASK IMPACT LIMITER VULNERABILITIES

    SciTech Connect (OSTI)

    Leduc, D; Jeffery England, J; Roy Rothermel, R

    2009-02-09

    Cylindrical fuel casks often have impact limiters surrounding just the ends of the cask shaft in a typical 'dumbbell' arrangement. The primary purpose of these impact limiters is to absorb energy to reduce loads on the cask structure during impacts associated with a severe accident. Impact limiters are also credited in many packages with protecting closure seals and maintaining lower peak temperatures during fire events. For this credit to be taken in safety analyses, the impact limiter attachment system must be shown to retain the impact limiter following Normal Conditions of Transport (NCT) and Hypothetical Accident Conditions (HAC) impacts. Large casks are often certified by analysis only because of the costs associated with testing. Therefore, some cask impact limiter attachment systems have not been tested in real impacts. A recent structural analysis of the T-3 Spent Fuel Containment Cask found problems with the design of the impact limiter attachment system. Assumptions in the original Safety Analysis for Packaging (SARP) concerning the loading in the attachment bolts were found to be inaccurate in certain drop orientations. This paper documents the lessons learned and their applicability to impact limiter attachment system designs.

  20. Electron beam generation in Tevatron electron lenses

    SciTech Connect (OSTI)

    Kamerdzhiev, V.; Kuznetsov, G.; Shiltsev, V.; Solyak, N.; Tiunov, M.; /Novosibirsk, IYF

    2006-08-01

    New type of high perveance electron guns with convex cathode has been developed. Three guns described in this article are built to provide transverse electron current density distributions needed for Electron Lenses for beam-beam compensation in the Tevatron collider. The current distribution can be controlled either by the gun geometry or by voltage on a special control electrode located near cathode. We present the designs of the guns and report results of beam measurements on the test bench. Because of their high current density and low transverse temperature of electrons, electron guns of this type can be used in electron cooling and beam-beam compensation devices.

  1. Optically pulsed electron accelerator

    DOE Patents [OSTI]

    Fraser, J.S.; Sheffield, R.L.

    1985-05-20

    An optically pulsed electron accelerator can be used as an injector for a free electron laser and comprises a pulsed light source, such as a laser, for providing discrete incident light pulses. A photoemissive electron source emits electron bursts having the same duration as the incident light pulses when impinged upon by same. The photoemissive electron source is located on an inside wall of a radiofrequency-powered accelerator cell which accelerates the electron burst emitted by the photoemissive electron source.

  2. Optically pulsed electron accelerator

    DOE Patents [OSTI]

    Fraser, John S.; Sheffield, Richard L.

    1987-01-01

    An optically pulsed electron accelerator can be used as an injector for a free electron laser and comprises a pulsed light source, such as a laser, for providing discrete incident light pulses. A photoemissive electron source emits electron bursts having the same duration as the incident light pulses when impinged upon by same. The photoemissive electron source is located on an inside wall of a radio frequency powered accelerator cell which accelerates the electron burst emitted by the photoemissive electron source.

  3. V-149: Microsoft Internet Explorer Object Access Bug Lets Remote...

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

    9: Microsoft Internet Explorer Object Access Bug Lets Remote Users Execute Arbitrary Code V-149: Microsoft Internet Explorer Object Access Bug Lets Remote Users Execute Arbitrary...

  4. Pacific Ethanol Inc formerly Accessity Corporation | Open Energy...

    Open Energy Info (EERE)

    Ethanol Inc formerly Accessity Corporation Jump to: navigation, search Name: Pacific Ethanol Inc (formerly Accessity Corporation) Place: Fresno, California Zip: 93711 Product:...

  5. NBP RFI: Data Access, Third Party Use, and Privacy- Comments...

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

    eastern and western parts of Texas, including the cities of Dallas and Fort Worth. ... Data Access and Privacy Issues Related To Smart Grid Technologies NBP RFI: Data Access, ...

  6. A Web Accessible Scientific Workflow System for Performance Monitoring...

    Office of Scientific and Technical Information (OSTI)

    Web Accessible Scientific Workflow System for Performance Monitoring Citation Details In-Document Search Title: A Web Accessible Scientific Workflow System for Performance ...

  7. Web-Accessible Scientific Workflow System for Performance Monitoring...

    Office of Scientific and Technical Information (OSTI)

    Web-Accessible Scientific Workflow System for Performance Monitoring Citation Details In-Document Search Title: Web-Accessible Scientific Workflow System for Performance Monitoring ...

  8. RAPID/Geothermal/Land Access/Colorado | Open Energy Information

    Open Energy Info (EERE)

    RAPIDGeothermalLand AccessColorado < RAPID | Geothermal | Land Access Jump to: navigation, search RAPID Regulatory and Permitting Information Desktop Toolkit BETA About...

  9. RAPID/Geothermal/Land Access/Oregon | Open Energy Information

    Open Energy Info (EERE)

    RAPIDGeothermalLand AccessOregon < RAPID | Geothermal | Land Access Jump to: navigation, search RAPID Regulatory and Permitting Information Desktop Toolkit BETA About Bulk...

  10. RAPID/Geothermal/Land Access/Alaska | Open Energy Information

    Open Energy Info (EERE)

    RAPIDGeothermalLand AccessAlaska < RAPID | Geothermal | Land Access Jump to: navigation, search RAPID Regulatory and Permitting Information Desktop Toolkit BETA About Bulk...

  11. Energy poverty: how to make modern energy access universal? ...

    Open Energy Info (EERE)

    poverty: how to make modern energy access universal? Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Energy poverty: how to make modern energy access universal? Agency...

  12. Instructions for using HSPD-12 Authenticated Outlook Web Access...

    Energy Savers [EERE]

    Instructions for using HSPD-12 Authenticated Outlook Web Access (OWA) Instructions for using HSPD-12 Authenticated Outlook Web Access (OWA) Provides instructions for remote Outlook...

  13. CDOT - State Highway Access Permit Application | Open Energy...

    Open Energy Info (EERE)

    State Highway Access Permit Application Jump to: navigation, search OpenEI Reference LibraryAdd to library General: CDOT - State Highway Access Permit Application Author Colorado...

  14. Office of Nuclear Energy to Enhance Small Business Access to...

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

    Office of Nuclear Energy to Enhance Small Business Access to Research Facilities Office of Nuclear Energy to Enhance Small Business Access to Research Facilities January 27, 2016 - ...

  15. Department of Energy Data Access and Privacy Issues Related To...

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

    Data Access and Privacy Issues Related To Smart Grid Technologies Department of Energy Data Access and Privacy Issues Related To Smart Grid Technologies This report by the ...

  16. Public Roundtable- Data Access and Privacy Issues Related to...

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

    Roundtable- Data Access and Privacy Issues Related to Smart Grid Technologies Public Roundtable- Data Access and Privacy Issues Related to Smart Grid Technologies Transcript of ...

  17. RAPID/Geothermal/Land Access/Utah | Open Energy Information

    Open Energy Info (EERE)

    RAPIDGeothermalLand AccessUtah < RAPID | Geothermal | Land Access Jump to: navigation, search RAPID Regulatory and Permitting Information Desktop Toolkit BETA About Bulk...

  18. RAPID/Geothermal/Land Access/Nevada | Open Energy Information

    Open Energy Info (EERE)

    RAPIDGeothermalLand AccessNevada < RAPID | Geothermal | Land Access Jump to: navigation, search RAPID Regulatory and Permitting Information Desktop Toolkit BETA About Bulk...

  19. RAPID/Solar/Land Access/Nevada | Open Energy Information

    Open Energy Info (EERE)

    RAPIDSolarLand AccessNevada < RAPID | Solar | Land Access Jump to: navigation, search RAPID Regulatory and Permitting Information Desktop Toolkit BETA About Bulk...

  20. Mozambique-Biofuels, Land Access and Rural Livelihoods | Open...

    Open Energy Info (EERE)

    Biofuels, Land Access and Rural Livelihoods Jump to: navigation, search Name Mozambique-Biofuels, Land Access and Rural Livelihoods AgencyCompany Organization International...

  1. Tanzania-Biofuels, Land Access and Rural Livelihoods | Open Energy...

    Open Energy Info (EERE)

    Tanzania-Biofuels, Land Access and Rural Livelihoods Jump to: navigation, search Name Tanzania-Biofuels, Land Access and Rural Livelihoods AgencyCompany Organization...

  2. Request Access to the PARSIIe Project Management Lessons Learned...

    Energy Savers [EERE]

    Request Access to the PARSIIe Project Management Lessons Learned (PMLL) Repository Request Access to the PARSIIe Project Management Lessons Learned (PMLL) Repository PURPOSE...

  3. Benin: Increased Access to Modern Energy Project | Open Energy...

    Open Energy Info (EERE)

    Bank1 The objective of the Increased Access to Modern Energy Project is to improve reliability, efficiency, and access to modern energy services in Benin. There are three...

  4. Web application for simplifying access to computer center resources...

    Office of Scientific and Technical Information (OSTI)

    Web application for simplifying access to computer center resources and information. Citation Details Software Request Title: Web application for simplifying access to computer ...

  5. Republic of Yemen Energy Access Project | Open Energy Information

    Open Energy Info (EERE)

    Yemen Energy Access Project Jump to: navigation, search Name of project Republic of Yemen Energy Access Project Location of project Yemen Year initiated 2006 Organization World...

  6. Montana - Access Road Easement Policy | Open Energy Information

    Open Energy Info (EERE)

    Access Road Easement Policy Jump to: navigation, search OpenEI Reference LibraryAdd to library General: Montana - Access Road Easement Policy Author Montana Department of...

  7. Burkina Faso Energy Access Project | Open Energy Information

    Open Energy Info (EERE)

    Burkina Faso Energy Access Project Jump to: navigation, search Name of project Burkina Faso Energy Access Project Location of project Burkina Faso Year initiated 2007 Organization...

  8. Accessing DOE's Many Energy Efficiency Resources and Technical...

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

    Accessing DOE's Many Energy Efficiency Resources and Technical Assistance Accessing DOE's Many Energy Efficiency Resources and Technical Assistance Discusses current DOE programs ...

  9. Tribal Renewable Energy Webinar: Accessing Capital for Tribal...

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

    Accessing Capital for Tribal Energy and Economic Development Tribal Renewable Energy Webinar: Accessing Capital for Tribal Energy and Economic Development October 26, 2016 11:00AM ...

  10. National Geothermal Data Systems Data Acquisition and Access...

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

    Systems Data Acquisition and Access National Geothermal Data Systems Data Acquisition and Access Project objective: To support the acquisition of new and legacy data from...

  11. V-120: EMC Smarts Network Configuration Manager Java RMI Access...

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

    0: EMC Smarts Network Configuration Manager Java RMI Access Control Flaw Lets Remote Users Gain Full Control V-120: EMC Smarts Network Configuration Manager Java RMI Access Control...

  12. T-701: Citrix Access Gateway Enterprise Edition Input Validation...

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

    1: Citrix Access Gateway Enterprise Edition Input Validation Flaw in Logon Portal Permits Cross-Site Scripting Attacks T-701: Citrix Access Gateway Enterprise Edition Input...

  13. OpenEI:Utility data access questionnaire | Open Energy Information

    Open Energy Info (EERE)

    Utility data access questionnaire Jump to: navigation, search Jump to Navigation Utility Access Questionnaire Thank you for participating in the U.S. Department of Energy Utility...

  14. T-592: Cisco Security Advisory: Cisco Secure Access Control System...

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

    Advisory: Cisco Secure Access Control System Unauthorized Password Change Vulnerability T-592: Cisco Security Advisory: Cisco Secure Access Control System Unauthorized Password ...

  15. Tevatron Electron Lenses: Design and Operation

    SciTech Connect (OSTI)

    Shiltsev, Vladimir; Bishofberger, Kip; Kamerdzhiev, Vsevolod; Kozub, Sergei; Kufer, Matthew; Kuznetsov, Gennady; Martinez, Alexander; Olson, Marvin; Pfeffer, Howard; Saewert, Greg; Scarpine, Vic; /Fermilab /SLAC /Fermilab /Serpukhov, IHEP /Novosibirsk, IYF /Serpukhov, IHEP /Fermilab

    2008-08-01

    The beam-beam effects have been the dominating sources of beam loss and lifetime limitations in the Tevatron proton-antiproton collider [1]. Electron lenses were originally proposed for compensation of electromagnetic long-range and head-on beam-beam interactions of proton and antiproton beams [2]. Results of successful employment of two electron lenses built and installed in the Tevatron are reported in [3,4,5]. In this paper we present design features of the Tevatron electron lenses (TELs), discuss the generation of electron beams, describe different modes of operation and outline the technical parameters of various subsystems.

  16. Modeling Incoherent Electron Cloud Effects

    SciTech Connect (OSTI)

    Vay, Jean-Luc; Benedetto, E.; Fischer, W.; Franchetti, G.; Ohmi, K.; Schulte, D.; Sonnad, K.; Tomas, R.; Vay, J.-L.; Zimmermann, F.; Rumolo, G.; Pivi, M.; Raubenheimer, T.

    2007-06-18

    Incoherent electron effects could seriously limit the beam lifetime in proton or ion storage rings, such as LHC, SPS, or RHIC, or blow up the vertical emittance of positron beams, e.g., at the B factories or in linear-collider damping rings. Different approaches to modeling these effects each have their own merits and drawbacks. We describe several simulation codes which simplify the descriptions of the beam-electron interaction and of the accelerator structure in various different ways, and present results for a toy model of the SPS. In addition, we present evidence that for positron beams the interplay of incoherent electron-cloud effects and synchrotron radiation can lead to a significant increase in vertical equilibrium emittance. The magnitude of a few incoherent e+e- scattering processes is also estimated. Options for future code development are reviewed.

  17. Nuclear Structure at the Limits

    SciTech Connect (OSTI)

    Nazarewicz, W.

    1998-01-12

    One of the frontiers of today?s nuclear science is the ?journey to the limits? of atomic charge and nuclear mass, of neutron-to-proton ratio, and of angular momentum. The tour to the limits is not only a quest for new, exciting phenomena, but the new data are expected, as well, to bring qualitatively new information about the fundamental properties of the nucleonic many-body system, the nature of the nuclear interaction, and nucleonic correlations at various energy-distance scales. In this series of lectures, current developments in nuclear structure at the limits are discussed from a theoretical perspective, mainly concentrating on medium-mass and heavy nuclei.

  18. Nuclear Structure at the Limits

    SciTech Connect (OSTI)

    Nazarewicz, Witold

    1997-12-31

    One of the frontiers of today`s nuclear science is the ``journey to the limits``: of atomic charge and nuclear mass, of neutron-to-proton ratio, and of angular momentum. The tour to the limits is not only a quest for new, exciting phenomena but the new data are expected, as well, to bring qualitatively new information about the fundamental properties of the nucleonic many-body system, the nature of the nuclear interaction, and nucleonic correlations at various energy-distance scales. In this talk, current developments in nuclear structure at the limits are discussed from a theoretical perspective.

  19. Dose Limits | Department of Energy

    Energy Savers [EERE]

    Limits Dose Limits (Question Posted to ERAD in May 2012) Who do you define as a member of the public for the onsite MEI? This question implies that there may be more than one maximally exposed individual (MEI), one on-site and one off-site, when demonstrating compliance with the Public Dose Limit of DOE Order 458.1. Although all potential MEIs should be considered and documented, as well as the calculated doses and pathways considered, the intent of DOE Order 458.1 is in fact to ultimately

  20. Tuning Reactivity and Electronic Properties through Ligand Reorganization within a Cerium Heterobimetallic Framework

    SciTech Connect (OSTI)

    Robinson, Jerome R.; Gordon, Zachary; Booth, Corwin H.; Carroll, Patrick J.; Walsh, Patrick J.; Schelter, Eric J.

    2014-06-24

    Cerium compounds have played vital roles in organic, inorganic, and materials chemistry due to their reversible redox chemistry between trivalent and tetravalent oxidation states. However, attempts to rationally access molecular cerium complexes in both oxidation states have been frustrated by unpredictable reactivity in cerium(III) oxidation chemistry. Such oxidation reactions are limited by steric saturation at the metal ion, which can result in high energy activation barriers for electron transfer. An alternative approach has been realized using a rare earth/alkali metal/1,1'-BINOLate (REMB) heterobimetallic framework, which uses redox-inactive metals within the secondary coordination sphere to control ligand reorganization. The rational syntheses of functionalized cerium(IV) products and a mechanistic examination of the role of ligand reorganization in cerium(III) oxidation are presented.

  1. Plaxica Limited | Open Energy Information

    Open Energy Info (EERE)

    Zip: SW7 2AZ Product: UK-based technology company developing a new generation of polymers derived from sustainable resources. References: Plaxica Limited1 This article is a...

  2. Passive fault current limiting device

    DOE Patents [OSTI]

    Evans, D.J.; Cha, Y.S.

    1999-04-06

    A passive current limiting device and isolator is particularly adapted for use at high power levels for limiting excessive currents in a circuit in a fault condition such as an electrical short. The current limiting device comprises a magnetic core wound with two magnetically opposed, parallel connected coils of copper, a high temperature superconductor or other electrically conducting material, and a fault element connected in series with one of the coils. Under normal operating conditions, the magnetic flux density produced by the two coils cancel each other. Under a fault condition, the fault element is triggered to cause an imbalance in the magnetic flux density between the two coils which results in an increase in the impedance in the coils. While the fault element may be a separate current limiter, switch, fuse, bimetal strip or the like, it preferably is a superconductor current limiter conducting one-half of the current load compared to the same limiter wired to carry the total current of the circuit. The major voltage during a fault condition is in the coils wound on the common core in a preferred embodiment. 6 figs.

  3. Passive fault current limiting device

    DOE Patents [OSTI]

    Evans, Daniel J.; Cha, Yung S.

    1999-01-01

    A passive current limiting device and isolator is particularly adapted for use at high power levels for limiting excessive currents in a circuit in a fault condition such as an electrical short. The current limiting device comprises a magnetic core wound with two magnetically opposed, parallel connected coils of copper, a high temperature superconductor or other electrically conducting material, and a fault element connected in series with one of the coils. Under normal operating conditions, the magnetic flux density produced by the two coils cancel each other. Under a fault condition, the fault element is triggered to cause an imbalance in the magnetic flux density between the two coils which results in an increase in the impedance in the coils. While the fault element may be a separate current limiter, switch, fuse, bimetal strip or the like, it preferably is a superconductor current limiter conducting one-half of the current load compared to the same limiter wired to carry the total current of the circuit. The major voltage during a fault condition is in the coils wound on the common core in a preferred embodiment.

  4. Dynamically limiting energy consumed by cooling apparatus

    DOE Patents [OSTI]

    Chainer, Timothy J.; David, Milnes P.; Iyengar, Madhusudan K.; Parida, Pritish R.; Schmidt, Roger R.; Schultz, Mark D.

    2015-05-26

    Cooling apparatuses and methods are provided which include one or more coolant-cooled structures associated with an electronics rack, a coolant loop coupled in fluid communication with one or more passages of the coolant-cooled structure(s), one or more heat exchange units coupled to facilitate heat transfer from coolant within the coolant loop, and N controllable components associated with the coolant loop or the heat exchange unit(s), wherein N.gtoreq.1. The N controllable components facilitate circulation of coolant through the coolant loop or transfer of heat from the coolant via the heat exchange unit(s). A controller is coupled to the N controllable components, and dynamically adjusts operation of the N controllable components, based on Z input parameters and one or more specified constraints, to provide a specified cooling to the coolant-cooled structure(s), while limiting energy consumed by the N controllable components, wherein Z.gtoreq.1.

  5. Dynamically limiting energy consumed by cooling apparatus

    DOE Patents [OSTI]

    Chainer, Timothy J.; David, Milnes P.; Iyengar, Madhusudan K.; Parida, Pritish R.; Schmidt, Roger R.; Schultz, Mark D.

    2015-06-09

    Cooling methods are provided which include providing: one or more coolant-cooled structures associated with an electronics rack, a coolant loop coupled in fluid communication with one or more passages of the coolant-cooled structure(s), one or more heat exchange units coupled to facilitate heat transfer from coolant within the coolant loop, and N controllable components associated with the coolant loop or the heat exchange unit(s), wherein N.gtoreq.1. The N controllable components facilitate circulation of coolant through the coolant loop or transfer of heat from the coolant via the heat exchange unit(s). A controller is also provided to dynamically adjust operation of the N controllable components, based on Z input parameters and one or more specified constraints, and provide a specified cooling to the coolant-cooled structure(s), while limiting energy consumed by the N controllable components, wherein Z.gtoreq.1.

  6. Collimation Studies with Hollow Electron Beams

    SciTech Connect (OSTI)

    Stancari, G.; Annala, G.; Johnson, T.R.; Saewert, G.W.; Shiltsev, V.; Still, D.A.; Valishev, A.; /Fermilab

    2011-08-01

    Recent experimental studies at the Fermilab Tevatron collider have shown that magnetically confined hollow electron beams can act as a new kind of collimator for high-intensity beams in storage rings. In a hollow electron beam collimator, electrons enclose the circulating beam. Their electric charge kicks halo particles transversely. If their distribution is axially symmetric, the beam core is unaffected. This device is complementary to conventional two-stage collimation systems: the electron beam can be placed arbitrarily close to the circulating beam; and particle removal is smooth, so that the device is a diffusion enhancer rather than a hard aperture limitation. The concept was tested in the Tevatron collider using a hollow electron gun installed in one of the existing electron lenses. We describe some of the technical aspects of hollow-beam scraping and the results of recent measurements.

  7. Electron Microscopy Lab

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

    with electron and ion beam instruments, including crystallographic and chemical techniques. April 12, 2012 Transmission electron microscope Rob Dickerson examines a multiphase...

  8. A Community of Electrons

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

    plutonium's missing magnetism also provides a groundbreaking insight into the overall nature of matter. November 20, 2015 A Community of Electrons With electronic correlations,...

  9. Controlling Graphene's Electronic Structure

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

    Controlling Graphene's Electronic Structure Print Graphene, because of its unusual electron properties, reduced dimensionality, and scale, has enormous potential for use in...

  10. Controlling Graphene's Electronic Structure

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

    Controlling Graphene's Electronic Structure Print Wednesday, 25 April 2007 00:00 Graphene, because of its unusual electron properties, reduced dimensionality, and scale,...

  11. Consumer Electronics Association Comment

    Broader source: Energy.gov [DOE]

    The Consumer Electronics Association (CEA) is the preeminent trade association promoting growth in the $285 billion U.S. consumer electronics industry.

  12. Electron Microscopy Center

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

    Electron Microscopy Center Argonne Home > EMC > EMC Home Electron Microscopy Center Web Site has moved This page has moved to http:www.anl.govcnmgroupelectron-microscopy-cente...

  13. Implications of access hole size on tank waste retrieval system design and cost

    SciTech Connect (OSTI)

    Babcock, S.M.; Kwon, D.S.; Burks, B.L.; Stoughton, R.S.; Evans, M.S.

    1994-05-01

    The DOE Environmental Restoration and Waste Management Robotics Technology Development Program has been investigating the application of robotics technology to the retrieval of waste from single-shell storage tanks for several years. The use of a large, ``long-reach`` manipulator to position and orient a variety of tools and other equipment has been recommended. The objective of this study is to determine the appropriate access hole size for the tank waste retrieval system installation. Previous reports on the impact of access hole size on manipulator performance are summarized. In addition, the practical limitation for access hole size based on structural limitations of the waste storage tanks, the state-of-the-art size limitations for the installation of new risers, the radiation safety implications of various access hole sizes, and overall system cost implications are considered. Basic conclusions include: (1) overall cost of remediation will; be dominated by the costs of the balance of plant and time required to perform the task rather than the cost of manipulator hardware or the cost of installing a riser, (2) the most desirable solution from a manipulator controls point of view is to make the manipulator as stiff as possible and have as high as possible a natural frequency, which implies a large access hole diameter, (3) beyond some diameter; simple, uniform cross-section elements become less advantageous from a weight standpoint and alternative structures should be considered, and (4) additional shielding and contamination control measures would be required for larger holes. Parametric studies summarized in this report considered 3,790,000 1 (1,000,000 gal) tanks, while initial applications are likely to be for 2,840,000 1 (750,000 gal) tanks. Therefore, the calculations should be somewhat conservative, recognizing the limitations of the specific conditions considered.

  14. WTB & Spectrum Access Overview | Department of Energy

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

    WTB & Spectrum Access Overview WTB & Spectrum Access Overview Slides from FCC's Wireless Telecommunications Bureau presentation on spectrum access. PDF icon WTB & Spectrum Access Overview More Documents & Publications An Introduction to Spectrum Engineering NBP RFI: Communications Requirements Reply Comments of Southern Company Services, Inc.

  15. PIA - Access Security Plan, Bechtel Jacobs Company LLC | Department of

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

    Energy Access Security Plan, Bechtel Jacobs Company LLC PIA - Access Security Plan, Bechtel Jacobs Company LLC PIA - Access Security Plan, Bechtel Jacobs Company LLC PDF icon PIA - Access Security Plan, Bechtel Jacobs Company LLC More Documents & Publications Occupational Medical Surveillance System (OMSS) PIA, Idaho National Laboratory PIA - WEB iPASS System DOE PIA

  16. Parity Violation in Electron Scattering

    SciTech Connect (OSTI)

    Beise, Elizabeth

    2007-10-26

    About thirty years ago, electron scattering from nucleons was used [1] to identify, and then measure, the properties of the weak interaction, the only force of nature known to violate the symmetry parity. The basic technique has not fundamentally changed, which is to look for a small asymmetry in count rate from scattering a polarized electron beam from an unpolarized target. Since then, parity-violating (PV) electron scattering has developed substantially, a result of significant improvements in polarized electron beams, accelerator advancements, and developments in cryogenic targets that make it possible to carry out experiments with much higher statistical precision. In the last decade PV experiments have focused on using the complementary electron-quark flavor coupling of the weak interaction to identify and place limits on contributions of strange quark-antiquark pairs to the charge and magnetism of the proton. This observable provides a unique window into the structure of the proton since strange quark contributions can arise only from the sea of quarks and gluons that are responsible for the vast majority of the nucleon's mass. This paper will report on recent results aimed at this goal, along with a brief overview of future directions.

  17. Special Access Program Policies, Responsibilities, and Procedures

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

    2002-07-11

    Special Access Program Policies, Responsibilities, and Procedures This Manual is for OFFICIAL USE ONLY and will not be distributed on the Directives Portal. For distribution, please contact the Director, Office of Security, at 202-586-6775. Cancels: DOE M 471.2-3

  18. Special Access Program Policies, Responsibilities, and Procedure

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

    2007-10-29

    This Manual is for OFFICIAL USE ONLY and will not be distributed on the Directives Portal. For distribution, please contact the Executive Secretary of the Special Access Program Oversight Committee at 202-586-6775. Cancels DOE M 471.2-3A. Canceled by DOE O 471.5.

  19. Enabling X-ray free electron laser crystallography for challenging

    Office of Scientific and Technical Information (OSTI)

    biological systems from a limited number of crystals (Journal Article) | SciTech Connect Enabling X-ray free electron laser crystallography for challenging biological systems from a limited number of crystals Citation Details In-Document Search Title: Enabling X-ray free electron laser crystallography for challenging biological systems from a limited number of crystals Authors: Uervirojnangkoorn, Monarin ; Zeldin, Oliver B. ; Lyubimov, Artem Y. ; Hattne, Johan Search SciTech Connect for

  20. Short wavelength limits of current shot noise suppression

    SciTech Connect (OSTI)

    Nause, Ariel; Dyunin, Egor; Gover, Avraham

    2014-08-15

    Shot noise in electron beam was assumed to be one of the features beyond control of accelerator physics. Current results attained in experiments at Accelerator Test Facility in Brookhaven and Linac Coherent Light Source in Stanford suggest that the control of the shot noise in electron beam (and therefore of spontaneous radiation and Self Amplified Spontaneous Emission of Free Electron Lasers) is feasible at least in the visible range of the spectrum. Here, we present a general linear formulation for collective micro-dynamics of e-beam noise and its control. Specifically, we compare two schemes for current noise suppression: a quarter plasma wavelength drift section and a combined drift/dispersive (transverse magnetic field) section. We examine and compare their limits of applicability at short wavelengths via considerations of electron phase-spread and the related Landau damping effect.

  1. Electronic Transitions in f-electron Metals at High Pressures...

    Office of Scientific and Technical Information (OSTI)

    Technical Report: Electronic Transitions in f-electron Metals at High Pressures: Citation Details In-Document Search Title: Electronic Transitions in f-electron Metals at High ...

  2. V Fuels Biodiesel Limited | Open Energy Information

    Open Energy Info (EERE)

    Biodiesel Limited Jump to: navigation, search Name: V-Fuels Biodiesel Limited Place: United Kingdom Product: UK-based biodiesel producers. References: V-Fuels Biodiesel Limited1...

  3. Belize Electricity Limited | Open Energy Information

    Open Energy Info (EERE)

    Belize Electricity Limited Jump to: navigation, search Logo: Belize Electricity Limited Name: Belize Electricity Limited Abbreviation: BEL Address: PO Box 327 Place: Belize City,...

  4. Low Background Signal Readout Electronics for the Majorana Demonstrator

    Office of Scientific and Technical Information (OSTI)

    (Conference) | SciTech Connect Low Background Signal Readout Electronics for the Majorana Demonstrator Citation Details In-Document Search Title: Low Background Signal Readout Electronics for the Majorana Demonstrator × You are accessing a document from the Department of Energy's (DOE) SciTech Connect. This site is a product of DOE's Office of Scientific and Technical Information (OSTI) and is provided as a public service. Visit OSTI to utilize additional information resources in energy

  5. Scalable Methods for Electronic Excitations and Optical Responses of

    Office of Scientific and Technical Information (OSTI)

    Nanstructures: Mathematics to Algorithms to Observables (Technical Report) | SciTech Connect Scalable Methods for Electronic Excitations and Optical Responses of Nanstructures: Mathematics to Algorithms to Observables Citation Details In-Document Search Title: Scalable Methods for Electronic Excitations and Optical Responses of Nanstructures: Mathematics to Algorithms to Observables × You are accessing a document from the Department of Energy's (DOE) SciTech Connect. This site is a product

  6. Electronic Coupling Dependence of Ultrafast Interfacial Electron...

    Office of Scientific and Technical Information (OSTI)

    The long-term goal of the proposed research is to understand electron transfer dynamics in nanoparticleliquid interface. This knowledge is essential to many semiconductor ...

  7. Emittance and Current of Electrons Trapped in a Plasma Wakefield

    Office of Scientific and Technical Information (OSTI)

    Accelerator (Conference) | SciTech Connect Emittance and Current of Electrons Trapped in a Plasma Wakefield Accelerator Citation Details In-Document Search Title: Emittance and Current of Electrons Trapped in a Plasma Wakefield Accelerator In recent experiments plasma electrons became trapped in a plasma wakefield accelerator (PWFA). The transverse size of these trapped electrons on a downstream diagnostic yields an upper limit measurement of transverse normalized emittance divided by peak

  8. High-Performance Secure Database Access Technologies for HEP Grids

    SciTech Connect (OSTI)

    Matthew Vranicar; John Weicher

    2006-04-17

    The Large Hadron Collider (LHC) at the CERN Laboratory will become the largest scientific instrument in the world when it starts operations in 2007. Large Scale Analysis Computer Systems (computational grids) are required to extract rare signals of new physics from petabytes of LHC detector data. In addition to file-based event data, LHC data processing applications require access to large amounts of data in relational databases: detector conditions, calibrations, etc. U.S. high energy physicists demand efficient performance of grid computing applications in LHC physics research where world-wide remote participation is vital to their success. To empower physicists with data-intensive analysis capabilities a whole hyperinfrastructure of distributed databases cross-cuts a multi-tier hierarchy of computational grids. The crosscutting allows separation of concerns across both the global environment of a federation of computational grids and the local environment of a physicist’s computer used for analysis. Very few efforts are on-going in the area of database and grid integration research. Most of these are outside of the U.S. and rely on traditional approaches to secure database access via an extraneous security layer separate from the database system core, preventing efficient data transfers. Our findings are shared by the Database Access and Integration Services Working Group of the Global Grid Forum, who states that "Research and development activities relating to the Grid have generally focused on applications where data is stored in files. However, in many scientific and commercial domains, database management systems have a central role in data storage, access, organization, authorization, etc, for numerous applications.” There is a clear opportunity for a technological breakthrough, requiring innovative steps to provide high-performance secure database access technologies for grid computing. We believe that an innovative database architecture where the secure authorization is pushed into the database engine will eliminate inefficient data transfer bottlenecks. Furthermore, traditionally separated database and security layers provide an extra vulnerability, leaving a weak clear-text password authorization as the only protection on the database core systems. Due to the legacy limitations of the systems’ security models, the allowed passwords often can not even comply with the DOE password guideline requirements. We see an opportunity for the tight integration of the secure authorization layer with the database server engine resulting in both improved performance and improved security. Phase I has focused on the development of a proof-of-concept prototype using Argonne National Laboratory’s (ANL) Argonne Tandem-Linac Accelerator System (ATLAS) project as a test scenario. By developing a grid-security enabled version of the ATLAS project’s current relation database solution, MySQL, PIOCON Technologies aims to offer a more efficient solution to secure database access.

  9. Electronic Status Board

    Energy Science and Technology Software Center (OSTI)

    2004-06-02

    This software was developed to post real-time process status and building conditions to operators, system engineers, system managers, and all support personnel. Data input is via operator console, strategically located throughout the facility, or by electronic rounds tablet. The system requires a person to log in with a unique user id and password to edit data. Viewing system status does not require log in and can be done from any desktop location running FileMaker. Oncemore » logged into the system, all new records saved are stamped with date, time and user name, and a historical copy is created that can be brought up to review status. There is no limitation to the amount of records that can be saved in the historical databases. The system will flag all out of limit conditions on the screen and enter that record on a turnover summery page which displays only flagged items. System conditions are displayed on a plasma display which scrolls through the various system condition screens. The system also shows floor plans that reflect specific building radiological conditions which aides in pre job briefings to show all hazards to personnel entering specific locations. The input screen is displayed on a second standard computer monitor connected to the input PC. There are several popup screens that require user intervention to ensure that the user wants to edit the data, is editing the appropriate sytem, and if they want to continue to stay logged into the system. Each workstation is connected to a Uninterrupted Power Supply which will shut each system down safely in a power failure. The server is configured to print out current status upon notification from the UPS that power has failed. The system also has a video input card which is connected to a DVD/VCR which shows safety meetings, and images taken from a digital camera used to show specific locations/items for pre-job briefings.« less

  10. Open Access Transmission and Renewable Energy Technologies

    SciTech Connect (OSTI)

    Porter, K.

    1996-09-01

    In April 1996, the Federal Regulatory Commission (PERC) approved Orders 888 and 889 and released a draft rule for public comment on capacity reservation tariffs (CRTs). Order No. 888 requires electric utilities to file transmission tariffs that would allow transmission access to third parties who want to conduct wholesale transactions, and Order No. 889 requires transmission-owning utilities to set up open access, same-time information systems (OASIS), using commercial software and Internet protocols. This paper discusses these Orders in detail, as well as some of the issues before FERC with implications for renewables, which include: transmission pricing; transmission terms and conditions; reassignment of transmission capacity; defining state and FERC jurisdiction over transmission and distribution; the pricing of ancillary services; and the adoption and implementation of independent system operators.

  11. Template for Discontinuation of Access Eligibility Determination

    Energy Savers [EERE]

    MEMORANDUM FOR (SUBJECT'S NAME) FROM: Personnel Security Program Manager SUBJECT: Discontinuation of Access Eligibility Determination Reference is made to your Questionnaire for National Security Positions (QNSP) signed [insert date], which was forwarded to this office in connection with a Department of Energy security clearance request. Your case was submitted to the Office of Personnel Management (OPM) and an investigation dated [insert date] has been received. [Insert a brief description of

  12. Access Your Files | Argonne National Laboratory

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

    Your Files Access your files stored on Box, without the need for VPN. Box is Argonne's secure cloud-based file storage system that provides an easy way to organize, edit, share, and collaborate on files anywhere, on any device, without the need for VPN. Box provides document workflow tools, including task assignments and tracking. Box basic functionality can be enhanced with optional apps. It can be used on many operating systems and devices, including desktop and laptop computers, tablets, and

  13. Limitations on area compression of beams from pierce guns

    SciTech Connect (OSTI)

    Yakovlev, V.P.; Nezhevenko, O.A. [Omega-P Inc., 202008 Yale Station, New Haven, Connecticut 06520-2008 (United States)

    1999-05-01

    An important limitation for rf sources such as klystrons and magnicons, designed for 10{close_quote}s of MW power outputs at cm-wavelengths, is the transverse electron beam size. Cathode current density limits require high beam area compressions to obtain small transverse beam areas for fixed currents. This paper discusses the limitations to high beam area compression, namely geometrical aberrations and thermal spread in transverse velocities. Compensation can oftentimes be introduced for aberrations, but thermal velocity spread presents a fundamental limitation. Examples where subtle compensation strategies were employed are discussed for three guns with 100 MW beam power, and area compressions greater than 2000:1. Two of these guns have already been built. A clear determination of effective cathode temperature has yet to be found experimentally, but possible means to measure it are discussed. {copyright} {ital 1999 American Institute of Physics.}

  14. Low latency memory access and synchronization

    DOE Patents [OSTI]

    Blumrich, Matthias A.; Chen, Dong; Coteus, Paul W.; Gara, Alan G.; Giampapa, Mark E.; Heidelberger, Philip; Hoenicke, Dirk; Ohmacht, Martin; Steinmacher-Burow, Burkhard D.; Takken, Todd E.; Vranas, Pavlos M.

    2007-02-06

    A low latency memory system access is provided in association with a weakly-ordered multiprocessor system. Each processor in the multiprocessor shares resources, and each shared resource has an associated lock within a locking device that provides support for synchronization between the multiple processors in the multiprocessor and the orderly sharing of the resources. A processor only has permission to access a resource when it owns the lock associated with that resource, and an attempt by a processor to own a lock requires only a single load operation, rather than a traditional atomic load followed by store, such that the processor only performs a read operation and the hardware locking device performs a subsequent write operation rather than the processor. A simple prefetching for non-contiguous data structures is also disclosed. A memory line is redefined so that in addition to the normal physical memory data, every line includes a pointer that is large enough to point to any other line in the memory, wherein the pointers to determine which memory line to prefetch rather than some other predictive algorithm. This enables hardware to effectively prefetch memory access patterns that are non-contiguous, but repetitive.

  15. Low latency memory access and synchronization

    DOE Patents [OSTI]

    Blumrich, Matthias A.; Chen, Dong; Coteus, Paul W.; Gara, Alan G.; Giampapa, Mark E.; Heidelberger, Philip; Hoenicke, Dirk; Ohmacht, Martin; Steinmacher-Burow, Burkhard D.; Takken, Todd E. , Vranas; Pavlos M.

    2010-10-19

    A low latency memory system access is provided in association with a weakly-ordered multiprocessor system. Bach processor in the multiprocessor shares resources, and each shared resource has an associated lock within a locking device that provides support for synchronization between the multiple processors in the multiprocessor and the orderly sharing of the resources. A processor only has permission to access a resource when it owns the lock associated with that resource, and an attempt by a processor to own a lock requires only a single load operation, rather than a traditional atomic load followed by store, such that the processor only performs a read operation and the hardware locking device performs a subsequent write operation rather than the processor. A simple prefetching for non-contiguous data structures is also disclosed. A memory line is redefined so that in addition to the normal physical memory data, every line includes a pointer that is large enough to point to any other line in the memory, wherein the pointers to determine which memory line to prefetch rather than some other predictive algorithm. This enables hardware to effectively prefetch memory access patterns that are non-contiguous, but repetitive.

  16. Tritium Detection Methods and Limitations

    Office of Environmental Management (EM)

    Detection Methods and Limitations Tritium Focus Group Meeting, April 2014 Tom Voss, Northern New Mexico DOE-HDBK-1105-2002 RADIOLOGICAL TRAINING FOR TRITIUM FACILITIES U.S. Department of Energy AREA TRNG Washington, D.C. 20585 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. DOE-HDBK-1105-2002 Radiological Training for Tritium Facilities U.S. Department of Energy, Radiological Control Programs for Special Tritium Compounds, DOE-STD- draft, Washington, D.C.

  17. RHIC electron lenses upgrades

    SciTech Connect (OSTI)

    Gu, X.; Altinbas, Z.; Bruno, D.; Binello, S.; Costanzo, M.; Drees, A.; Fischer, W.; Gassner, D. M.; Hock, J.; Hock, K.; Harvey, M.; Luo, Y.; Marusic, A.; Mi, C.; Mernick, K.; Minty, M.; Michnoff, R.; Miller, T. A.; Pikin, A. I.; Robert-Demolaize, G.; Samms, T.; Shrey, T. C.; Schoefer, V.; Tan, Y.; Than, R.; Thieberger, P.; White, S. M.

    2015-05-03

    In the Relativistic Heavy Ion Collider (RHIC) 100 GeV polarized proton run in 2015, two electron lenses were used to partially compensate for the head-on beam-beam effect for the first time. Here, we describe the design of the current electron lens, detailing the hardware modifications made after the 2014 commissioning run with heavy ions. A new electron gun with 15-mm diameter cathode is characterized. The electron beam transverse profile was measured using a YAG screen and fitted with a Gaussian distribution. During operation, the overlap of the electron and proton beams was achieved using the electron backscattering detector in conjunction with an automated orbit control program.

  18. FREE ELECTRON LASERS AND HIGH-ENERGY ELECTRON COOLING.

    SciTech Connect (OSTI)

    LITVINENKO,V.N.

    2007-08-31

    Cooling intense high-energy hadron beams remains a major challenge in modern accelerator physics. Synchrotron radiation of such beams is too feeble to provide significant cooling: even in the Large Hadron Collider (LHC) with 7 TeV protons, the longitudinal damping time is about thirteen hours. Decrements of traditional electron cooling decrease rapidly as the high power of beam energy, and an effective electron cooling of protons or antiprotons at energies above 100 GeV seems unlikely. Traditional stochastic cooling still cannot catch up with the challenge of cooling high-intensity bunched proton beams--to be effective, its bandwidth must be increased by about two orders-of-magnitude. Two techniques offering the potential to cool high-energy hadron beams are optical stochastic cooling (OSC) and coherent electron cooling (CEC)--the latter is the focus of this paper. In the early 1980s, CEC was suggested as a possibility for using various instabilities in an electron beam to enhance its interaction with hadrons (i.e., cooling them). The capabilities of present-day accelerator technology, Energy Recovery Linacs (ERLs), and high-gain Free-Electron Lasers (FELs), finally caught up with the idea and provided the all necessary ingredients for realizing such a process. In this paper, we discuss the principles, and the main limitations of the CEC process based on a high-gain FEL driven by an ERL. We also present, and summarize in Table 1, some numerical examples of CEC for ions and protons in RHIC and the LHC.

  19. Catalac free electron laser

    DOE Patents [OSTI]

    Brau, Charles A. (Los Alamos, NM); Swenson, Donald A. (Los Alamos, NM); Boyd, Jr., Thomas J. (Los Alamos, NM)

    1982-01-01

    A catalac free electron laser using a rf linac (catalac) which acts as a catalyst to accelerate an electron beam in an initial pass through the catalac and decelerate the electron beam during a second pass through the catalac. During the second pass through the catalac, energy is extracted from the electron beam and transformed to energy of the accelerating fields of the catalac to increase efficiency of the device. Various embodiments disclose the use of post linacs to add electron beam energy extracted by the wiggler and the use of supplementary catalacs to extract energy at various energy peaks produced by the free electron laser wiggler to further enhance efficiency of the catalac free electron laser. The catalac free electron laser can be used in conjunction with a simple resonator, a ring resonator or as an amplifier in conjunction with a master oscillator laser.

  20. Relativistic electron beam generator

    DOE Patents [OSTI]

    Mooney, L.J.; Hyatt, H.M.

    1975-11-11

    A relativistic electron beam generator for laser media excitation is described. The device employs a diode type relativistic electron beam source having a cathode shape which provides a rectangular output beam with uniform current density.

  1. Catalac free electron laser

    DOE Patents [OSTI]

    Brau, C.A.; Swenson, D.A.; Boyd, T.J. Jr.

    1979-12-12

    A catalac free electron laser using a rf linac (catalac) which acts as a catalyst to accelerate an electron beam in an initial pass through the catalac and decelerate the electron beam during a second pass through the catalac is described. During the second pass through the catalac, energy is extracted from the electron beam and transformed to energy of the accelerating fields of the catalac to increase efficiency of the device. Various embodiments disclose the use of post linacs to add electron beam energy extracted by the wiggler and the use of supplementary catalacs to extract energy at various energy peaks produced by the free electron laser wiggler to further enhance efficiency of the catalac free electron laser. The catalac free electron laser can be used in conjunction with a simple resonator, a ring resonator, or as an amplifier in conjunction with a master oscillator laser.

  2. HM-ACCESS Project (Framework for the Use of Electronic Shipping...

    Office of Environmental Management (EM)

    ... Pipeline and Hazardous Materials Safety Administration Senate Bill S.1952 Paperless Hazard Communications Pilot Program (Section 6) Conduct pilot projects to ...

  3. TxDOT Access Management Manual | Open Energy Information

    Open Energy Info (EERE)

    Access Management Manual Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- OtherOther: TxDOT Access Management ManualLegal Abstract Manual prepared...

  4. PIA - HSPD-12 Physical and Logical Access System | Department...

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

    PIA - HSPD-12 Physical and Logical Access System PDF icon PIA - HSPD-12 Physical and Logical Access System More Documents & Publications DOE O 206.2 Identity, Credential, and ...

  5. Re: NBP RFI: Data Access | Department of Energy

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

    Grid: Data Access, Third Party Use, and Privacy ("RFI").1 CEA is the principal U.S. trade ... Grid: Data Access, Third Party Use, and Privacy- Request for Information Re Request for ...

  6. File:03TXBLandAccess.pdf | Open Energy Information

    Open Energy Info (EERE)

    TXBLandAccess.pdf Jump to: navigation, search File File history File usage Metadata File:03TXBLandAccess.pdf Size of this preview: 463 599 pixels. Other resolution: 464 600...

  7. File:03NVBStateLandAccess.pdf | Open Energy Information

    Open Energy Info (EERE)

    NVBStateLandAccess.pdf Jump to: navigation, search File File history File usage Metadata File:03NVBStateLandAccess.pdf Size of this preview: 463 599 pixels. Other resolution:...

  8. Solar/Wind Access Policy | Open Energy Information

    Open Energy Info (EERE)

    SolarWind Access Policy < Solar Jump to: navigation, search Solar and wind access laws are designed to establish a right to install and operate a solar or wind energy system at a...

  9. Colorado - State Highway Access Code | Open Energy Information

    Open Energy Info (EERE)

    - State Highway Access Code Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- RegulationRegulation: Colorado - State Highway Access CodeLegal...

  10. CHANGE IN ACCEPTABLE ID DOCUMENTS FOR JLAB ACCESS:

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

    JLAB ACCESS: The REAL ID Act (Public Law 109-13) now determines which state driver's license can be presented and accepted as a valid ID document for access to Jefferson Lab. The...

  11. CDOT State Highway Access Permit Application | Open Energy Information

    Open Energy Info (EERE)

    State Highway Access Permit Application Jump to: navigation, search OpenEI Reference LibraryAdd to library Form: CDOT State Highway Access Permit Application Abstract This is an...

  12. Wyo. Stat. 24-6 - Access Facilities | Open Energy Information

    Open Energy Info (EERE)

    24-6 - Access Facilities Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Wyo. Stat. 24-6 - Access FacilitiesLegal Abstract...

  13. U-144:Juniper Secure Access Input Validation Flaw Permits Cross...

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

    4:Juniper Secure Access Input Validation Flaw Permits Cross-Site Scripting Attacks U-144:Juniper Secure Access Input Validation Flaw Permits Cross-Site Scripting Attacks April 10,...

  14. Power Electronics Block Set

    Energy Science and Technology Software Center (OSTI)

    2008-12-31

    The software consists of code that will allow rapid prototyping of advanced power electronics for use in renewable energy systems.

  15. Controlling Graphene's Electronic Structure

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

    Controlling Graphene's Electronic Structure Print Graphene, because of its unusual electron properties, reduced dimensionality, and scale, has enormous potential for use in ultrafast electronic transistors. It exhibits high conductivity and an anomalous quantum Hall effect (a phenomenon exhibited by certain semiconductor devices at low temperatures and high magnetic fields). Among its novel properties, graphene's electrical charge carriers (electrons and holes) move through a solid with

  16. Controlling Graphene's Electronic Structure

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

    Controlling Graphene's Electronic Structure Print Graphene, because of its unusual electron properties, reduced dimensionality, and scale, has enormous potential for use in ultrafast electronic transistors. It exhibits high conductivity and an anomalous quantum Hall effect (a phenomenon exhibited by certain semiconductor devices at low temperatures and high magnetic fields). Among its novel properties, graphene's electrical charge carriers (electrons and holes) move through a solid with

  17. Controlling Graphene's Electronic Structure

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

    Controlling Graphene's Electronic Structure Print Graphene, because of its unusual electron properties, reduced dimensionality, and scale, has enormous potential for use in ultrafast electronic transistors. It exhibits high conductivity and an anomalous quantum Hall effect (a phenomenon exhibited by certain semiconductor devices at low temperatures and high magnetic fields). Among its novel properties, graphene's electrical charge carriers (electrons and holes) move through a solid with

  18. Controlling Graphene's Electronic Structure

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

    Controlling Graphene's Electronic Structure Print Graphene, because of its unusual electron properties, reduced dimensionality, and scale, has enormous potential for use in ultrafast electronic transistors. It exhibits high conductivity and an anomalous quantum Hall effect (a phenomenon exhibited by certain semiconductor devices at low temperatures and high magnetic fields). Among its novel properties, graphene's electrical charge carriers (electrons and holes) move through a solid with

  19. Controlling Graphene's Electronic Structure

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

    Controlling Graphene's Electronic Structure Controlling Graphene's Electronic Structure Print Wednesday, 25 April 2007 00:00 Graphene, because of its unusual electron properties, reduced dimensionality, and scale, has enormous potential for use in ultrafast electronic transistors. It exhibits high conductivity and an anomalous quantum Hall effect (a phenomenon exhibited by certain semiconductor devices at low temperatures and high magnetic fields). Among its novel properties, graphene's

  20. Controlling Graphene's Electronic Structure

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

    Controlling Graphene's Electronic Structure Print Graphene, because of its unusual electron properties, reduced dimensionality, and scale, has enormous potential for use in ultrafast electronic transistors. It exhibits high conductivity and an anomalous quantum Hall effect (a phenomenon exhibited by certain semiconductor devices at low temperatures and high magnetic fields). Among its novel properties, graphene's electrical charge carriers (electrons and holes) move through a solid with

  1. Solar access of residential rooftops in four California cities

    SciTech Connect (OSTI)

    Levinson, Ronnen; Akbari, Hashem; Pomerantz, Melvin; Gupta, Smita

    2009-12-15

    Shadows cast by trees and buildings can limit the solar access of rooftop solar-energy systems, including photovoltaic panels and thermal collectors. This study characterizes residential rooftop shading in Sacramento, San Jose, Los Angeles and San Diego, CA. Our analysis can be used to better estimate power production and/or thermal collection by rooftop solar-energy equipment. It can also be considered when designing programs to plant shade trees. High-resolution orthophotos and LiDAR (Light Detection And Ranging) measurements of surface height were used to create a digital elevation model of all trees and buildings in a well-treed 2.5-4 km{sup 2} residential neighborhood. On-hour shading of roofing planes (the flat elements of roofs) was computed geometrically from the digital elevation model. Values in future years were determined by repeating these calculations after simulating tree growth. Parcel boundaries were used to determine the extent to which roofing planes were shaded by trees and buildings in neighboring parcels. For the subset of S + SW + W-facing planes on which solar equipment is commonly installed for maximum solar access, absolute light loss in spring, summer and fall peaked about 2 to 4 h after sunrise and about 2 to 4 h before sunset. The fraction of annual insolation lost to shading increased from 0.07-0.08 in the year of surface-height measurement to 0.11-0.14 after 30 years of tree growth. Only about 10% of this loss resulted from shading by trees and buildings in neighboring parcels. (author)

  2. Electron uptake by iron-oxidizing phototrophic bacteria

    SciTech Connect (OSTI)

    Bose, A; Gardel, EJ; Vidoudez, C; Parra, EA; Girguis, PR

    2014-02-26

    Oxidation-reduction reactions underlie energy generation in nearly all life forms. Although most organisms use soluble oxidants and reductants, some microbes can access solid-phase materials as electron-acceptors or -donors via extracellular electron transfer. Many studies have focused on the reduction of solid-phase oxidants. Far less is known about electron uptake via microbial extracellular electron transfer, and almost nothing is known about the associated mechanisms. Here we show that the iron-oxidizing photoautotroph Rhodopseudomonas palustris TIE-1 accepts electrons from a poised electrode, with carbon dioxide as the sole carbon source/electron acceptor. Both electron uptake and ruBisCo form I expression are stimulated by light. Electron uptake also occurs in the dark, uncoupled from photosynthesis. Notably, the pioABC operon, which encodes a protein system essential for photoautotrophic growth by ferrous iron oxidation, influences electron uptake. These data reveal a previously unknown metabolic versatility of photoferrotrophs to use extracellular electron transfer for electron uptake.

  3. Instructions for using HSPD-12 Authenticated Outlook Web Access (OWA) |

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

    Department of Energy using HSPD-12 Authenticated Outlook Web Access (OWA) Instructions for using HSPD-12 Authenticated Outlook Web Access (OWA) Provides instructions for remote Outlook access using HSPD-12 Badge. PDF icon HSPD-12 Badge Instructions More Documents & Publications User Guide for Remote Access to VDI/Workplace Using PIV Headquarters Facilities Master Security Plan - Chapter 1, Physical Security Audit Report: IG-0860

  4. Request for Information NBP RFI: Data Access | Department of Energy

    Energy Savers [EERE]

    Request for Information NBP RFI: Data Access Request for Information NBP RFI: Data Access Xcel Energy, a combination electricity and natural gas utility operating in eight Midwestern states, submits these Comments in response to the Department of Energy's May 11, 2010 Request for Information: "Implementing the National Broadband Plan by Empowering Consumers and the Smart Grid: Data Access, Third Party Use, and Privacy." PDF icon Request for Information NBP RFI: Data Access More

  5. Briefing, For Persons With Access to UCNI- June 2014

    Broader source: Energy.gov [DOE]

    Briefing provides information on Unclassified Controlled Nuclear Information (UCNI) and for persons who have access to UCNI.

  6. Improving Access to Foundational Energy Performance Data

    SciTech Connect (OSTI)

    Studer, D.; Livingood, W.; Torcellini, P.

    2014-08-01

    Access to foundational energy performance data is key to improving the efficiency of the built environment. However, stakeholders often lack access to what they perceive as credible energy performance data. Therefore, even if a stakeholder determines that a product would increase efficiency, they often have difficulty convincing their management to move forward. Even when credible data do exist, such data are not always sufficient to support detailed energy performance analyses, or the development of robust business cases. One reason for this is that the data parameters that are provided are generally based on the respective industry norms. Thus, for mature industries with extensive testing standards, the data made available are often quite detailed. But for emerging technologies, or for industries with less well-developed testing standards, available data are generally insufficient to support robust analysis. However, even for mature technologies, there is no guarantee that the data being supplied are the same data needed to accurately evaluate a product?s energy performance. To address these challenges, the U.S. Department of Energy funded development of a free, publically accessible Web-based portal, the Technology Performance Exchange(TM), to facilitate the transparent identification, storage, and sharing of foundational energy performance data. The Technology Performance Exchange identifies the intrinsic, technology-specific parameters necessary for a user to perform a credible energy analysis and includes a robust database to store these data. End users can leverage stored data to evaluate the site-specific performance of various technologies, support financial analyses with greater confidence, and make better informed procurement decisions.

  7. Investigation of fundamental limits to beam brightness available from photoinjectors

    SciTech Connect (OSTI)

    Bazarov, Ivan

    2015-07-09

    The goal of this project was investigation of fundamental limits to beam brightness available from photoinjectors. This basic research in accelerator physics spanned over 5 years aiming to extend the fundamental understanding of high average current, low emittance sources of relativistic electrons based on photoemission guns, a necessary prerequisite for a new generation of coherent X-ray synchrotron radiation facilities based on continuous duty superconducting linacs. The program focused on two areas critical to making advances in the electron source performance: 1) the physics of photocathodes for the production of low emittance electrons and 2) control of space charge forces in the immediate vicinity to the cathode via 3D laser pulse shaping.

  8. Present State of Electron Backscatter Diffraction and Prospective Developments

    SciTech Connect (OSTI)

    Schwarzer, R A; Field, D P; Adams, B L; Kumar, M; Schwartz, A J

    2008-10-24

    Electron backscatter diffraction (EBSD), when employed as an additional characterization technique to a scanning electron microscope (SEM), enables individual grain orientations, local texture, point-to-point orientation correlations, and phase identification and distributions to be determined routinely on the surfaces of bulk polycrystals. The application has experienced rapid acceptance in metallurgical, materials, and geophysical laboratories within the past decade (Schwartz et al. 2000) due to the wide availability of SEMs, the ease of sample preparation from the bulk, the high speed of data acquisition, and the access to complementary information about the microstructure on a submicron scale. From the same specimen area, surface structure and morphology of the microstructure are characterized in great detail by the relief and orientation contrast in secondary and backscatter electron images, element distributions are accessed by energy dispersive spectroscopy (EDS), wavelength dispersive spectroscopy (WDS), or cathodoluminescence analysis, and the orientations of single grains and phases can now be determined, as a complement, by EBSD.

  9. Request NSF Access | Argonne National Laboratory

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

    Contacts Amber Dach, SSO (630) 252-8281 sso@anl.gov Request NSF Access Clearances can be passed to Argonne National Laboratory through the following means: In memo form via unsecure fax at (630) 252-5678 (receiving machine is in a locked location) In memo form via encrypted email to sso@anl.gov Via M3 using PLA DOE//SSO//ANL Please note that Argonne does not have JPAS and cannot accept SMO codes. Please include the following information: First/Last Name Social security number Date of birth

  10. Open Access: From Myth to Paradox

    ScienceCinema (OSTI)

    Ginsparg, Paul [Cornell University, Ithaca, New York, United States

    2010-01-08

    True open access to scientific publications not only gives readers the possibility to read articles without paying subscription, but also makes the material available for automated ingestion and harvesting by 3rd parties. Once articles and associated data become universally treatable as computable objects, openly available to 3rd party aggregators and value-added services, what new services can we expect, and how will they change the way that researchers interact with their scholarly communications infrastructure? I will discuss straightforward applications of existing ideas and services, including citation analysis, collaborative filtering, external database linkages, interoperability, and other forms of automated markup, and speculate on the sociology of the next generation of users.

  11. Alliance Project: Cyber-Physical Security Unified Access Solution

    Energy Savers [EERE]

    Alliance Project: Cyber-Physical Security Unified Access Solution Unified cyber-physical security to protect energy sector control systems and facilities Background The North American Electric Reliability Corporation (NERC) Critical Infrastructure Protection (CIP) standards require utility operators to control, monitor, and record physical access to cybersecurity assets and establish physical security perimeters (PSPs). Many operators engage security contractors to provide access controls,

  12. Access Rate Control System | Y-12 National Security Complex

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

    Access Rate Control System Access Rate Control System The mp4 video format is not supported by this browser. Download video Captions: On Time: 4:03 min Developed to support safeguards and security, the Access Rate Control System (ARCS) controls the speed of entry through full-height turnstiles

  13. Effect of Secondary Electron Emission on Electron Cross-Field Current in EB Discharges

    SciTech Connect (OSTI)

    Yevgeny Raitses, Igor D. Kaganovich, Alexander Khrabrov, Dmytro Sydorenko, Nathaniel J. Fisch and Andrei Smolyakov

    2011-02-10

    This paper reviews and discusses recent experimental, theoretical, and numerical studies of plasma-wall interaction in a weakly collisional magnetized plasma bounded with channel walls made from different materials. A lowpressure ExB plasma discharge of the Hall thruster was used to characterize the electron current across the magnetic field and its dependence on the applied voltage and electron-induced secondary electron emission (SEE) from the channel wall. The presence of a depleted, anisotropic electron energy distribution function with beams of secondary electrons was predicted to explain the enhancement of the electron cross-field current observed in experiments. Without the SEE, the electron crossfield transport can be reduced from anomalously high to nearly classical collisional level. The suppression of SEE was achieved using an engineered carbon velvet material for the channel walls. Both theoretically and experimentally, it is shown that the electron emission from the walls can limit the maximum achievable electric field in the magnetized plasma. With nonemitting walls, the maximum electric field in the thruster can approach a fundamental limit for a quasineutral plasma.

  14. Properties of the electron cloud in a high-energy positron and electron storage ring

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

    Harkay, K. C.; Rosenberg, R. A.

    2003-03-20

    Low-energy, background electrons are ubiquitous in high-energy particle accelerators. Under certain conditions, interactions between this electron cloud and the high-energy beam can give rise to numerous effects that can seriously degrade the accelerator performance. These effects range from vacuum degradation to collective beam instabilities and emittance blowup. Although electron-cloud effects were first observed two decades ago in a few proton storage rings, they have in recent years been widely observed and intensely studied in positron and proton rings. Electron-cloud diagnostics developed at the Advanced Photon Source enabled for the first time detailed, direct characterization of the electron-cloud properties in amore » positron and electron storage ring. From in situ measurements of the electron flux and energy distribution at the vacuum chamber wall, electron-cloud production mechanisms and details of the beam-cloud interaction can be inferred. A significant longitudinal variation of the electron cloud is also observed, due primarily to geometrical details of the vacuum chamber. Furthermore, such experimental data can be used to provide realistic limits on key input parameters in modeling efforts, leading ultimately to greater confidence in predicting electron-cloud effects in future accelerators.« less

  15. Limited-life cartridge primers

    DOE Patents [OSTI]

    Makowiecki, Daniel M.; Rosen, Robert S.

    2005-04-19

    A cartridge primer which utilizes an explosive that can be designed to become inactive in a predetermined period of time: a limited-life primer. The explosive or combustible material of the primer is an inorganic reactive multilayer (RML). The reaction products of the RML are sub-micron grains of non-corrosive inorganic compounds that would have no harmful effects on firearms or cartridge cases. Unlike use of primers containing lead components, primers utilizing RML's would not present a hazard to the environment. The sensitivity of an RML is determined by the physical structure and the stored interfacial energy. The sensitivity lowers with time due to a decrease in interfacial energy resulting from interdiffusion of the elemental layers. Time-dependent interdiffusion is predictable, thereby enabling the functional lifetime of an RML primer to be predetermined by the initial thickness and materials selection of the reacting layers.

  16. Limited-life cartridge primers

    DOE Patents [OSTI]

    Makowiecki, D.M.; Rosen, R.S.

    1998-06-30

    A cartridge primer is described which utilizes an explosive that can be designed to become inactive in a predetermined period of time: a limited-life primer. The explosive or combustible material of the primer is an inorganic reactive multilayer (RML). The reaction products of the RML are sub-micron grains of non-corrosive inorganic compounds that would have no harmful effects on firearms or cartridge cases. Unlike use of primers containing lead components, primers utilizing RML`s would not present a hazard to the environment. The sensitivity of an RML is determined by the physical structure and the stored interfacial energy. The sensitivity lowers with time due to a decrease in interfacial energy resulting from interdiffusion of the elemental layers. Time-dependent interdiffusion is predictable, thereby enabling the functional lifetime of an RML primer to be predetermined by the initial thickness and materials selection of the reacting layers. 10 figs.

  17. Limited-life cartridge primers

    DOE Patents [OSTI]

    Makowiecki, Daniel M.; Rosen, Robert S.

    1998-01-01

    A cartridge primer which utilizes an explosive that can be designed to become inactive in a predetermined period of time: a limited-life primer. The explosive or combustible material of the primer is an inorganic reactive multilayer (RML). The reaction products of the RML are sub-micron grains of non-corrosive inorganic compounds that would have no harmful effects on firearms or cartridge cases. Unlike use of primers containing lead components, primers utilizing RML's would not present a hazard to the environment. The sensitivity of an RML is determined by the physical structure and the stored interfacial energy. The sensitivity lowers with time due to a decrease in interfacial energy resulting from interdiffusion of the elemental layers. Time-dependent interdiffusion is predictable, thereby enabling the functional lifetime of an RML primer to be predetermined by the initial thickness and materials selection of the reacting layers.

  18. Enabling X-ray free electron laser crystallography for challenging...

    Office of Scientific and Technical Information (OSTI)

    Enabling X-ray free electron laser crystallography for challenging biological systems from a limited number of crystals Citation Details In-Document Search Title: Enabling X-ray ...

  19. Two-Phase Heat Exchanger for Power Electronics Cooling - Energy...

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

    Find More Like This Return to Search Two-Phase Heat Exchanger for Power Electronics ... Heat dissipation is a limiting factor in reducing the size and cost of the power ...

  20. United Group Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Jump to: navigation, search Name: United Group Limited Place: Perth, Western Australia, Australia Zip: 6001 Product: The United Group Resources (UGL) division is an EPC and...

  1. Tidal Energy Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Jump to: navigation, search Name: Tidal Energy Limited (TEL) Place: Cardiff, Wales, United Kingdom Zip: CF23 8RS Product: Tidal stream device developer. Coordinates:...

  2. Mauktika Energy Limited MEL | Open Energy Information

    Open Energy Info (EERE)

    Mauktika Energy Limited MEL Jump to: navigation, search Name: Mauktika Energy Limited (MEL) Place: Hyderabad, Andhra Pradesh, India Zip: 500033 Sector: Renewable Energy Product:...

  3. Nufcor International Limited Nufcor | Open Energy Information

    Open Energy Info (EERE)

    Limited (Nufcor) Place: United Kingdom Sector: Services Product: UK-based uranium marketing services company. References: Nufcor International Limited (Nufcor)1 This article...

  4. SRSL Ethanol Limited | Open Energy Information

    Open Energy Info (EERE)

    SRSL Ethanol Limited Jump to: navigation, search Name: SRSL Ethanol Limited Place: Mumbai, Maharashtra, India Product: Mumbai-based ethanol subsidiary of Shree Renuka Sugars...

  5. Rix Biodiesel Limited | Open Energy Information

    Open Energy Info (EERE)

    Rix Biodiesel Limited Jump to: navigation, search Name: Rix Biodiesel Limited Place: Hull, United Kingdom Zip: HU8 7JR Product: Manufacture, blends and resells biodiesel....

  6. China Innovation Investment Limited | Open Energy Information

    Open Energy Info (EERE)

    Innovation Investment Limited Jump to: navigation, search Name: China Innovation Investment Limited Place: Hong Kong Sector: Solar Product: Hong Kong-listed alternative energy...

  7. Voith Hydro Wavegen Limited | Open Energy Information

    Open Energy Info (EERE)

    Voith Hydro Wavegen Limited Jump to: navigation, search Name: Voith Hydro Wavegen Limited Region: United Kingdom Sector: Marine and Hydrokinetic Website: www.wavegen.co.uk This...

  8. Cape Systems Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Jump to: navigation, search Name: Cape Systems Limited Place: Rock Sound, Bahamas Sector: Services Product: Offers installation and site surveying services for clean...

  9. United Biofuels Private Limited | Open Energy Information

    Open Energy Info (EERE)

    United Biofuels Private Limited Jump to: navigation, search Name: United Biofuels Private Limited Place: Tamil Nadu, India Sector: Biomass Product: India-based owner and operator...

  10. BFC Solutions Limited | Open Energy Information

    Open Energy Info (EERE)

    BFC Solutions Limited Jump to: navigation, search Name: BFC Solutions Limited Place: Taunton, England, United Kingdom Zip: TA1 PEJ Sector: Carbon Product: Somerset-based...

  11. Harvard Dedicated Energy Limited | Open Energy Information

    Open Energy Info (EERE)

    Harvard Dedicated Energy Limited Jump to: navigation, search Name: Harvard Dedicated Energy Limited Place: Massachusetts Phone Number: (617) 495-5560 Website: www.energyandfaciliti...

  12. Gujarat Ambuja Cements Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Jump to: navigation, search Name: Gujarat Ambuja Cements Limited Place: Mumbai, India Zip: 400 021 Sector: Biomass Product: Indian cement company. the company...

  13. Catamount Energy Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Jump to: navigation, search Name: Catamount Energy Limited Place: United Kingdom Sector: Wind energy Product: Wind power project developer working on projects in Scotland....

  14. WaikatoLink Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Jump to: navigation, search Name: WaikatoLink Limited Place: New Zealand Sector: Services Product: General Financial & Legal Services ( Individual Angel network )...

  15. Greenergy Biofuels Limited | Open Energy Information

    Open Energy Info (EERE)

    Biofuels Limited Jump to: navigation, search Name: Greenergy Biofuels Limited Place: London, Greater London, United Kingdom Zip: WC1V 7BD Sector: Biofuels Product: Imports, blends...

  16. Transmission Capital Limited | Open Energy Information

    Open Energy Info (EERE)

    Transmission Capital Limited Jump to: navigation, search Name: Transmission Capital Limited Place: London, United Kingdom Zip: EC2V 7HR Sector: Renewable Energy, Services Product:...

  17. Impact Capital Partners Limited | Open Energy Information

    Open Energy Info (EERE)

    Capital Partners Limited Jump to: navigation, search Name: Impact Capital Partners Limited Place: Los Angeles, California Zip: CA 90067-1509 Product: Los Angeles-based, investment...

  18. Power Projects Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Jump to: navigation, search Name: Power Projects Limited Address: PO Box 25456 Panama Street Place: Wellington Zip: 6146 Region: New Zealand Sector: Marine and Hydrokinetic...

  19. Universal Carbon Credits Limited | Open Energy Information

    Open Energy Info (EERE)

    Universal Carbon Credits Limited Jump to: navigation, search Name: Universal Carbon Credits Limited Place: London, England, United Kingdom Zip: EC3A6DF Sector: Carbon Product:...

  20. Carbon Trust Enterprises Limited | Open Energy Information

    Open Energy Info (EERE)

    Enterprises Limited Jump to: navigation, search Name: Carbon Trust Enterprises Limited Place: London, United Kingdom Zip: WC2A 2AZ Sector: Carbon Product: Carbon Trust Enterprises...

  1. Carbon Limiting Technologies | Open Energy Information

    Open Energy Info (EERE)

    Limiting Technologies Jump to: navigation, search Name: Carbon Limiting Technologies Place: London, Greater London, United Kingdom Zip: N1 8HA Sector: Carbon Product: UK-based...

  2. Clipper Windpower Europe Limited | Open Energy Information

    Open Energy Info (EERE)

    Clipper Windpower Europe Limited Jump to: navigation, search Name: Clipper Windpower Europe Limited Place: London, Greater London, United Kingdom Zip: SE1 7TJ Sector: Wind energy...

  3. Renewable Fuels Limited RFL | Open Energy Information

    Open Energy Info (EERE)

    Limited RFL Jump to: navigation, search Name: Renewable Fuels Limited (RFL) Place: York, United Kingdom Zip: YO19 6ET Sector: Biomass Product: Supplies various biomass fuels and...

  4. Providing Internet access to Los Alamos National Laboratory technical reports: A case history in providing public access to previously restricted documents

    SciTech Connect (OSTI)

    Collins, K.A.

    1996-12-31

    The Los Alamos National Laboratory (LANL) Research Library recently fulfilled a strategic goal of providing worldwide desktop access via the Internet to full-image files of the complete unclassified holdings of Los Alamos technical reports in its Report Collection. This effort began in late 1994 with the scanning of paper and microfiche format reports. Concurrently, the Research Library helped to initiate shifting the model for publishing new technical reports from paper to electronic; the files could then be directly mounted on the Research Library`s Web server. Providing desktop access to these reports was instrumental in expediting the development of internal policies that would better define what documents, previously restricted to the general public, could be publicly released. Undoubtedly, the most significant category of such reports were previously classified reports that had been declassified, but had not gone through a further review for public release. Collaboration with LANL`s Classification Group led to approval for public release of 97% of these reports. The LANL Research Library`s Web site now offers unique and unprecedented access to the world of a huge body of technical reports never available before anywhere in any form. This paper discusses the issues and steps involved in this achievement.

  5. Ultra-bright pulsed electron beam with low longitudinal emittance

    DOE Patents [OSTI]

    Zolotorev, Max

    2010-07-13

    A high-brightness pulsed electron source, which has the potential for many useful applications in electron microscopy, inverse photo-emission, low energy electron scattering experiments, and electron holography has been described. The source makes use of Cs atoms in an atomic beam. The source is cycled beginning with a laser pulse that excites a single Cs atom on average to a band of high-lying Rydberg nP states. The resulting valence electron Rydberg wave packet evolves in a nearly classical Kepler orbit. When the electron reaches apogee, an electric field pulse is applied that ionizes the atom and accelerates the electron away from its parent ion. The collection of electron wave packets thus generated in a series of cycles can occupy a phase volume near the quantum limit and it can possess very high brightness. Each wave packet can exhibit a considerable degree of coherence.

  6. Electron emitting filaments for electron discharge devices

    DOE Patents [OSTI]

    Leung, K.N.; Pincosy, P.A.; Ehlers, K.W.

    1983-06-10

    Electrons are copiously emitted by a device comprising a loop-shaped filament made of lanthanum hexaboride. The filament is directly heated by an electrical current produced along the filament by a power supply connected to the terminal legs of the filament. To produce a filament, a diamond saw or the like is used to cut a slice from a bar made of lanthanum hexaboride. The diamond saw is then used to cut the slice into the shape of a loop which may be generally rectangular, U-shaped, hairpin-shaped, zigzag-shaped, or generally circular. The filaments provide high electron emission at a relatively low operating temperature, such as 1600/sup 0/C. To achieve uniform heating, the filament is formed with a cross section which is tapered between the opposite ends of the filament to compensate for nonuniform current distribution along the filament due to the emission of electrons from the filament.

  7. Electron emitting filaments for electron discharge devices

    DOE Patents [OSTI]

    Leung, Ka-Ngo; Pincosy, Philip A.; Ehlers, Kenneth W.

    1988-01-01

    Electrons are copiously emitted by a device comprising a loop-shaped filament made of lanthanum hexaboride. The filament is directly heated by an electrical current produced along the filament by a power supply connected to the terminal legs of the filament. To produce a filament, a diamond saw or the like is used to cut a slice from a bar made of lanthanum hexaboride. The diamond saw is then used to cut the slice into the shape of a loop which may be generally rectangular, U-shaped, hairpin-shaped, zigzag-shaped, or generally circular. The filaments provide high electron emission at a relatively low operating temperature, such as 1600.degree. C. To achieve uniform heating, the filament is formed with a cross section which is tapered between the opposite ends of the filament to compensate for non-uniform current distribution along the filament due to the emission of electrons from the filament.

  8. ASYMMETRIC ELECTRON DISTRIBUTIONS IN THE SOLAR WIND

    SciTech Connect (OSTI)

    Rha, Kicheol; Ryu, Chang-Mo [Department of Physics, Pohang University of Science and Technology, Pohang 790-784 (Korea, Republic of)] [Department of Physics, Pohang University of Science and Technology, Pohang 790-784 (Korea, Republic of); Yoon, Peter H. [Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742 (United States)] [Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742 (United States)

    2013-09-20

    A plausible mechanism responsible for producing asymmetric electron velocity distribution functions in the solar wind is investigated by means of one-dimensional electrostatic particle-in-cell (PIC) simulation. A recent paper suggests that the variation in the ion-to-electron temperature ratio influences the nonlinear wave-particle dynamics such that it results in the formation of asymmetric distributions. The present PIC code simulation largely confirms this finding, but quantitative differences between the weak turbulence formalism and the present PIC simulation are also found, suggesting the limitation of the analytical method. The inter-relationship between the asymmetric electron distribution and the ion-to-electron temperature ratio may be a new useful concept for the observation.

  9. Shear wall ultimate drift limits

    SciTech Connect (OSTI)

    Duffey, T.A.; Goldman, A.; Farrar, C.R.

    1994-04-01

    Drift limits for reinforced-concrete shear walls are investigated by reviewing the open literature for appropriate experimental data. Drift values at ultimate are determined for walls with aspect ratios ranging up to a maximum of 3.53 and undergoing different types of lateral loading (cyclic static, monotonic static, and dynamic). Based on the geometry of actual nuclear power plant structures exclusive of containments and concerns regarding their response during seismic (i.e.,cyclic) loading, data are obtained from pertinent references for which the wall aspect ratio is less than or equal to approximately 1, and for which testing is cyclic in nature (typically displacement controlled). In particular, lateral deflections at ultimate load, and at points in the softening region beyond ultimate for which the load has dropped to 90, 80, 70, 60, and 50 percent of its ultimate value, are obtained and converted to drift information. The statistical nature of the data is also investigated. These data are shown to be lognormally distributed, and an analysis of variance is performed. The use of statistics to estimate Probability of Failure for a shear wall structure is illustrated.

  10. Remote direct memory access over datagrams

    DOE Patents [OSTI]

    Grant, Ryan Eric; Rashti, Mohammad Javad; Balaji, Pavan; Afsahi, Ahmad

    2014-12-02

    A communication stack for providing remote direct memory access (RDMA) over a datagram network is disclosed. The communication stack has a user level interface configured to accept datagram related input and communicate with an RDMA enabled network interface card (NIC) via an NIC driver. The communication stack also has an RDMA protocol layer configured to supply one or more data transfer primitives for the datagram related input of the user level. The communication stack further has a direct data placement (DDP) layer configured to transfer the datagram related input from a user storage to a transport layer based on the one or more data transfer primitives by way of a lower layer protocol (LLP) over the datagram network.

  11. Direct memory access transfer completion notification

    DOE Patents [OSTI]

    Chen, Dong; Giampapa, Mark E.; Heidelberger, Philip; Kumar, Sameer; Parker, Jeffrey J.; Steinmacher-Burow, Burkhard D.; Vranas, Pavlos

    2010-07-27

    Methods, compute nodes, and computer program products are provided for direct memory access (`DMA`) transfer completion notification. Embodiments include determining, by an origin DMA engine on an origin compute node, whether a data descriptor for an application message to be sent to a target compute node is currently in an injection first-in-first-out (`FIFO`) buffer in dependence upon a sequence number previously associated with the data descriptor, the total number of descriptors currently in the injection FIFO buffer, and the current sequence number for the newest data descriptor stored in the injection FIFO buffer; and notifying a processor core on the origin DMA engine that the message has been sent if the data descriptor for the message is not currently in the injection FIFO buffer.

  12. Atmosphere to Electrons

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

    Atmosphere to Electrons Enabling the Wind Plant of Tomorrow 2 Atmosphere to Electrons Enabling the Wind Plant of Tomorrow The U.S. Department of Energy's (DOE's) Atmosphere to Electrons (A2e) research initiative is focused on improving the performance and reliability of wind plants by establishing an unprecedented under- standing of how the Earth's atmosphere interacts with the wind plants and developing innovative technologies to maximize energy extraction from the wind. The A2e initiative

  13. Ceramic Electron Multiplier

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

    Comby, G.

    1996-10-01

    The Ceramic Electron Multipliers (CEM) is a compact, robust, linear and fast multi-channel electron multiplier. The Multi Layer Ceramic Technique (MLCT) allows to build metallic dynodes inside a compact ceramic block. The activation of the metallic dynodes enhances their secondary electron emission (SEE). The CEM can be used in multi-channel photomultipliers, multi-channel light intensifiers, ion detection, spectroscopy, analysis of time of flight events, particle detection or Cherenkov imaging detectors. (auth)

  14. Electronic Recordkeeping System Questionnaire

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

    43.5 (04/2015) U.S. DEPARTMENT OF ENERGY Electronic Recordkeeping System Questionnaire INSTRUCTIONS: System owners should work in consultation with their organization's records contacts to ensure the accurate completion of a separate questionnaire for each electronic recordkeeping system. Federal regulations require proper address of recordkeeping requirements and disposition before approving new electronic information systems (EIS) or enhancements to existing EISes. OMB Circular A-130 requires

  15. Field emission electron source

    DOE Patents [OSTI]

    Zettl, Alexander Karlwalter; Cohen, Marvin Lou

    2000-01-01

    A novel field emitter material, field emission electron source, and commercially feasible fabrication method is described. The inventive field emission electron source produces reliable electron currents of up to 400 mA/cm.sup.2 at 200 volts. The emitter is robust and the current it produces is not sensitive to variability of vacuum or the distance between the emitter tip and the cathode. The novel emitter has a sharp turn-on near 100 volts.

  16. Controlling Graphene's Electronic Structure

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

    spectroscopy (ARPES) at ALS Beamline 7.0.1, a team of scientists from the ALS and Germany characterized the electronic band structure and successfully controlled the gap...

  17. Controlling Graphene's Electronic Structure

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

    charge carriers (electrons and holes) move through a solid with effectively zero mass and constant velocity, like photons. Graphene's intrinsically low scattering rate from defects...

  18. Coronal electron confinement by double layers

    SciTech Connect (OSTI)

    Li, T. C.; Drake, J. F.; Swisdak, M.

    2013-12-01

    In observations of flare-heated electrons in the solar corona, a longstanding problem is the unexplained prolonged lifetime of the electrons compared to their transit time across the source. This suggests confinement. Recent particle-in-cell (PIC) simulations, which explored the transport of pre-accelerated hot electrons through ambient cold plasma, showed that the formation of a highly localized electrostatic potential drop, in the form of a double layer (DL), significantly inhibited the transport of hot electrons. The effectiveness of confinement by a DL is linked to the strength of the DL as defined by its potential drop. In this work, we investigate the scaling of the DL strength with the hot electron temperature by PIC simulations and find a linear scaling. We demonstrate that the strength is limited by the formation of parallel shocks. Based on this, we analytically determine the maximum DL strength, and also find a linear scaling with the hot electron temperature. The DL strength obtained from the analytic calculation is comparable to that from the simulations. At the maximum strength, the DL is capable of confining a significant fraction of hot electrons in the source.

  19. Electron Microscopy > Analytical Resources > Research > The Energy...

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

    Differential Electrochemical Mass Spectroscopy (DEMS) Electron Microscopy X-Ray Diffraction Electron Microscopy Aberration-Corrected Electron Microscope Facility Electron...

  20. Electronic Mail Analysis Capability

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

    2001-01-08

    Establishes the pilot program to test the Department of Energy (DOE) Electronic Mail Analysis Capability (EMAC), which will be used to monitor and analyze outgoing and incoming electronic mail (e-mail) from the National Nuclear Security Administration (NNSA) and DOE laboratories that are engaged in nuclear weapons design or work involving special nuclear material. No cancellation.

  1. High brightness electron accelerator

    DOE Patents [OSTI]

    Sheffield, Richard L.; Carlsten, Bruce E.; Young, Lloyd M.

    1994-01-01

    A compact high brightness linear accelerator is provided for use, e.g., in a free electron laser. The accelerator has a first plurality of acclerating cavities having end walls with four coupling slots for accelerating electrons to high velocities in the absence of quadrupole fields. A second plurality of cavities receives the high velocity electrons for further acceleration, where each of the second cavities has end walls with two coupling slots for acceleration in the absence of dipole fields. The accelerator also includes a first cavity with an extended length to provide for phase matching the electron beam along the accelerating cavities. A solenoid is provided about the photocathode that emits the electons, where the solenoid is configured to provide a substantially uniform magnetic field over the photocathode surface to minimize emittance of the electons as the electrons enter the first cavity.

  2. Electrons and Mirror Symmetry

    SciTech Connect (OSTI)

    Kumar, Krishna

    2007-04-04

    The neutral weak force between an electron and a target particle, mediated by the Z boson, can be isolated by measuring the fractional change under a mirror reflection of the scattering probability of relativistic longitudinally polarized electrons off unpolarized targets. This technique yields neutral weak force measurements at a length scale of 1 femtometer, in contrast to high energy collider measurements that probe much smaller length scales. Study of the variation of the weak force over a range of length scales provides a stringent test of theory, complementing collider measurements. We describe a recent measurement of the neutral weak force between two electrons by the E158 experiment at the Stanford Linear Accelerator Center. While the weak force between an electron and positron has been extensively studied, that between two electrons had never directly been measured. We conclude by discussing prospects for even more precise measurements at future facilities.

  3. Electrons and Mirror Symmetry

    ScienceCinema (OSTI)

    Kumar, Krishna

    2009-09-01

    The neutral weak force between an electron and a target particle, mediated by the Z boson, can be isolated by measuring the fractional change under a mirror reflection of the scattering probability of relativistic longitudinally polarized electrons off unpolarized targets. This technique yields neutral weak force measurements at a length scale of 1 femtometer, in contrast to high energy collider measurements that probe much smaller length scales. Study of the variation of the weak force over a range of length scales provides a stringent test of theory, complementing collider measurements. We describe a recent measurement of the neutral weak force between two electrons by the E158 experiment at the Stanford Linear Accelerator Center. While the weak force between an electron and positron has been extensively studied, that between two electrons had never directly been measured. We conclude by discussing prospects for even more precise measurements at future facilities.

  4. Electron: Cluster interactions

    SciTech Connect (OSTI)

    Scheidemann, A.A.; Kresin, V.V.; Knight, W.D.

    1994-02-01

    Beam depletion spectroscopy has been used to measure absolute total inelastic electron-sodium cluster collision cross sections in the energy range from E {approximately} 0.1 to E {approximately} 6 eV. The investigation focused on the closed shell clusters Na{sub 8}, Na{sub 20}, Na{sub 40}. The measured cross sections show an increase for the lowest collision energies where electron attachment is the primary scattering channel. The electron attachment cross section can be understood in terms of Langevin scattering, connecting this measurement with the polarizability of the cluster. For energies above the dissociation energy the measured electron-cluster cross section is energy independent, thus defining an electron-cluster interaction range. This interaction range increases with the cluster size.

  5. Video, Audio, and Animation Text Versions for Web Accessibility |

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

    Department of Energy Videos, Animations, & Audio » Video, Audio, and Animation Text Versions for Web Accessibility Video, Audio, and Animation Text Versions for Web Accessibility For accessibility, Section 508 requires text versions of video, audio, and animations. Follow the Office of Energy Efficiency and Renewable Energy's (EERE's) requirements for developing a text version for a video, audio file, or animation. Requirements Follow these requirements for developing a text version for

  6. Orange Button - Solar Bankability Data to Advance Transactions and Access

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

    (SB-DATA) | Department of Energy Orange Button - Solar Bankability Data to Advance Transactions and Access (SB-DATA) Orange Button - Solar Bankability Data to Advance Transactions and Access (SB-DATA) Orange Button – Solar Bankability Data to Advance Transactions and Access (SB-DATA) Creating unified data standards will help the solar industry reduce market inefficiencies and lower costs for consumers. Orange Button, originally named Solar Bankability Data to Advance Transactions and

  7. Spin-Hall-assisted magnetic random access memory (Journal Article) |

    Office of Scientific and Technical Information (OSTI)

    SciTech Connect Spin-Hall-assisted magnetic random access memory Citation Details In-Document Search Title: Spin-Hall-assisted magnetic random access memory We propose a write scheme for perpendicular spin-transfer torque magnetoresistive random-access memory that significantly reduces the required tunnel current density and write energy. A sub-nanosecond in-plane polarized spin current pulse is generated using the spin-Hall effect, disturbing the stable magnetic state. Subsequent switching

  8. Access and Use Energy Data | Department of Energy

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

    Access and Use Energy Data Access and Use Energy Data SLSC_access and use.png Whether you represent a single building, campus, or municipality, any energy efficiency improvement or data management program should include activities such as benchmarking, establishing an energy baseline, and verifying and validating results to identify impacts and effectiveness. The resources available here cover the following topics related to energy data management and evaluation. Benchmarking Benchmarking

  9. 2015 Salishan Random Access (Conference) | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    Conference: 2015 Salishan Random Access Citation Details In-Document Search Title: 2015 Salishan Random Access × You are accessing a document from the Department of Energy's (DOE) SciTech Connect. This site is a product of DOE's Office of Scientific and Technical Information (OSTI) and is provided as a public service. Visit OSTI to utilize additional information resources in energy science and technology. A paper copy of this document is also available for sale to the public from the National

  10. An optically accessible pyrolysis microreactor (Journal Article) | SciTech

    Office of Scientific and Technical Information (OSTI)

    Connect An optically accessible pyrolysis microreactor Citation Details In-Document Search Title: An optically accessible pyrolysis microreactor We report an optically accessible pyrolysis micro-reactor suitable for in situ laser spectroscopic measurements. A radiative heating design allows for completely unobstructed views of the micro-reactor along two axes. The maximum temperature demonstrated here is only 1300 K (as opposed to 1700 K for the usual SiC micro-reactor) because of the

  11. Accessing DOE's Many Energy Efficiency Resources and Technical Assistance

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

    | Department of Energy Accessing DOE's Many Energy Efficiency Resources and Technical Assistance Accessing DOE's Many Energy Efficiency Resources and Technical Assistance Discusses current DOE programs and key resources (documents, tools) that can support program administrators and planners interested in pursuing energy efficiency. PDF icon Accessing DOE's Many Energy Efficiency Resources and Technical Assistance More Documents & Publications How Energy Efficiency Programs Can Support

  12. Adjudicative Guidelines for Determining Eligibility for Access to Classified Information

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

    Adjudicative Guidelines for Determining Eligibility for Access to Classified Information 1. Introduction. The following adjudicative guidelines are established for all U.S. government civilian and military personnel, consultants, contractors, employees of contractors, licensees, certificate holders or grantees and their employees and other individuals who require access to classified information. They apply to persons being considered for initial or continued eligibility for access to classified

  13. Re: NBP RFI: Data Access | Department of Energy

    Energy Savers [EERE]

    Pepco Holdings, Inc. (PHI) is pleased to respond to the U.S Department of Energy request for comments regarding the topics of data access, third party usage and privacy as they relate to consumers energy usage information and the Smart Grid. PDF icon Re: NBP RFI: Data Access More Documents & Publications Re: NBP RFI-Implementing the National Broadband Plan by Empowering Consumers and the Smart Grid: Data Access, Third Party Use and Privacy Re: Implementing the National Broadband Plan by

  14. International Electricity Trade - Open Access | Department of Energy

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

    International Electricity Trade - Open Access International Electricity Trade - Open Access DOE has consistently expressed its policy that international electricity trade should be subject to the same principles of comparable open access and non-discrimination that apply to transmission in interstate commerce. DOE has stated this policy in export authorizations granted to entities requesting authority to export over international transmission facilities. In those authorizations, DOE indicated it

  15. Headquarters Facilities Master Security Plan - Chapter 12, Special Access

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

    Programs | Department of Energy 2, Special Access Programs Headquarters Facilities Master Security Plan - Chapter 12, Special Access Programs 2016 Headquarters Facilities Master Security Plan - Chapter 12, Special Access Programs This very brief chapter merely identifies who to contact at HQ whenever a question arises about the administration of SAPs. This chapter is maintained by AU-1. It also covers the process for administering security infractions to those responsible for a security

  16. Solar Access to Public Capital | Department of Energy

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

    Solar Access to Public Capital Solar Access to Public Capital The Solar Access to Public Capital (SAPC) working group has developed standard residential lease and commercial power purchase agreement (PPA) contracts available for use by solar developers, customers, and third-party finance providers. These documents are designed to improve consumer transparency, reduce transaction costs in the solar asset contracting process, and facilitate the pooling of associated cash flows so that they may be

  17. Simulations of Gaussian electron guns for RHIC electron lens

    SciTech Connect (OSTI)

    Pikin, A.

    2014-02-28

    Simulations of two versions of the electron gun for RHIC electron lens are presented. The electron guns have to generate an electron beam with Gaussian radial profile of the electron beam density. To achieve the Gaussian electron emission profile on the cathode we used a combination of the gun electrodes and shaping of the cathode surface. Dependence of electron gun performance parameters on the geometry of electrodes and the margins for electrodes positioning are presented.

  18. A Utility Regulator's Guide to Data Access for Commercial Building...

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

    use data to help commercial customers manage energy costs through building energy benchmarking. A Utility Regulator's Guide to Data Access for Commercial Building Energy...

  19. Accessing Low-Cost Capital Through Securitization (Poster)

    SciTech Connect (OSTI)

    Mendelsohn, M.

    2014-10-01

    Poster for Solar Power International conference presents information on NREL's effort to open capital markets through securitization via Solar Access to Public Capital (SAPC) working group's efforts.

  20. Ghana Energy Development and Access Project (GEDAP) | Open Energy...

    Open Energy Info (EERE)

    Access Project (GEDAP) Location of project Ghana Energy Services Lighting, Cooking and water heating, Information and communications Year initiated 2007 Organization World Bank...

  1. Re: Comments on NBP RFI: Data Access | Department of Energy

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

    Re: Comments on NBP RFI: Data Access Consumers Union, National Consumer Law Center, and Public ... OF ENERGY Smart Grid RFI: Addressing Policy and Logistical Challenges Comments of ...

  2. Green Button: Providing Consumers with Access to Their Energy Data |

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

    Department of Energy Button: Providing Consumers with Access to Their Energy Data Green Button: Providing Consumers with Access to Their Energy Data January 19, 2012 - 2:54pm Addthis Aneesh Chopra What does this mean for me? 6 million utility customers in California now have access to their electricity usage data through the Green Button program, and millions more will get access as the program expands. This article is cross-posted from the White House blog. Imagine being able to shrink your

  3. Property:EnergyAccessImpactAreas | Open Energy Information

    Open Energy Info (EERE)

    to: navigation, search Property Name EnergyAccessImpactAreas Property Type String Description Impact Areas Retrieved from "http:en.openei.orgwindex.php?titleProperty:Energy...

  4. Property:EnergyAccessPowerSource | Open Energy Information

    Open Energy Info (EERE)

    to: navigation, search Property Name EnergyAccessPowerSource Property Type String Description Power Source Retrieved from "http:en.openei.orgwindex.php?titleProperty:Energy...

  5. V-106: Citrix Access Gateway Unspecified Security Bypass Vulnerability

    Broader source: Energy.gov [DOE]

    A vulnerability has been reported in Citrix Access Gateway, which can be exploited by malicious people to bypass certain security restrictions.

  6. Measuring Energy Access: Supporting a Global Target | Open Energy...

    Open Energy Info (EERE)

    Columbia University Sector: Energy Focus Area: Renewable Energy, Non-renewable Energy Topics: Co-benefits assessment, - Energy Access Resource Type: Publications Website:...

  7. Using Microfinance to Expand Access to Energy Services | Open...

    Open Energy Info (EERE)

    States Agency for International Development Sector: Energy Focus Area: Renewable Energy Topics: Co-benefits assessment, - Energy Access, Finance Resource Type: Case studies...

  8. The Energy Access Situation in Developing Countries | Open Energy...

    Open Energy Info (EERE)

    United Nations Development Programme (UNDP) Sector: Energy Focus Area: Renewable Energy, Biomass, Energy Efficiency Topics: Co-benefits assessment, - Energy Access, - Health...

  9. Business Models for Energy Access | Open Energy Information

    Open Energy Info (EERE)

    EASE-Enabling Access to Sustainable Energy Sector: Energy Focus Area: Renewable Energy, Non-renewable Energy, Biomass, - Biomass Combustion, Grid Assessment and Integration...

  10. UN-Energy-Measuring Energy Access | Open Energy Information

    Open Energy Info (EERE)

    Network (UN-Energy) Sector: Energy Focus Area: Renewable Energy, Non-renewable Energy Topics: Co-benefits assessment, - Energy Access Resource Type: Dataset, Maps Website:...

  11. RAPID/Geothermal/Land Access/Washington | Open Energy Information

    Open Energy Info (EERE)

    Basis: Royalty Distribution: ContactsAgencies: Washington State Department of Natural Resources, Washington State Department of Transportation State Land Access Process In...

  12. RAPID/Geothermal/Land Access | Open Energy Information

    Open Energy Info (EERE)

    RAPIDGeothermalLand Access < RAPID | Geothermal(Redirected from RAPIDGeothermalLeasing) Jump to: navigation, search RAPID Regulatory and Permitting Information Desktop...

  13. Proposed Open Access Requirement for International Electric Transmissi...

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

    Open Access Requirement for International Electric Transmission Facilities and Delegation to the Federal Energy Regulatory Commission: Federal Register Notice Volume 64, No. 143 - ...

  14. Access to Climate Change Technology by Developing Countries ...

    Open Energy Info (EERE)

    to Climate Change Technology by Developing Countries Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Access to Climate Change Technology by Developing Countries Agency...

  15. Tanzania Energy Development and Access Expansion Project | Open...

    Open Energy Info (EERE)

    energy access expansion. The project is consistent with the latest Joint Assistance Strategy (2007-2010) by specifically supporting the goals of the Government's National...

  16. INSTRUCTIONS FOR USING HSPD-12 AUTHENTICATED OUTLOOK WEB ACCESS (OWA)

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

    7/2013 Page 1 INSTRUCTIONS FOR USING HSPD-12 AUTHENTICATED OUTLOOK WEB ACCESS (OWA) Outlook Web Access provides access to unencrypted email only and is suitable for use from any computer. HSPD-12 OWA REQUIREMENTS:  An EITS provided Exchange email account  A DOE issued HSPD-12 badge  DOEnet or Internet access and a supported web browser  A smart card reader installed* on your computer (*Windows Vista, Windows XP, MAC OS X 10.7 & 10.8, will also require smart card software to be

  17. RAPID/Solar/Land Access | Open Energy Information

    Open Energy Info (EERE)

    RAPIDSolarLand Access < RAPID | Solar(Redirected from RAPIDSolarLeasing) Jump to: navigation, search RAPID Regulatory and Permitting Information Desktop Toolkit BETA About...

  18. Colorado State Board of Land Commissioners: Temporary Access...

    Open Energy Info (EERE)

    Colorado State Board of Land Commissioners: Temporary Access Permit Application Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- Permit...

  19. RAPID/BulkTransmission/Land Access | Open Energy Information

    Open Energy Info (EERE)

    RAPIDBulkTransmissionLand Access < RAPID | BulkTransmission(Redirected from RAPIDBulkTransmissionLeasing) Jump to: navigation, search RAPID Regulatory and Permitting...

  20. Webinar Announcement: Accessing Private Capital for Clean Energy...

    Open Energy Info (EERE)

    Webinar Announcement: Accessing Private Capital for Clean Energy Investments in Developing Countries (Webinar) Home > Groups > OpenEI Community Central Graham7781's picture...

  1. Vermont Agency of Transportation Access Management Program Guidelines...

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library PermittingRegulatory Guidance - GuideHandbook: Vermont Agency of Transportation Access Management Program...

  2. OpenEI:Utility data access map | Open Energy Information

    Open Energy Info (EERE)

    access for you to successfully evaluate your energy saving efforts. The Benchmarking and Demand ResponseEnergy Efficiency maps are generated based on your utility's responses to...

  3. DEPARTMENT OF ENERGY DATA ACCESS AND PRIVACY ISSUES RELATED TO...

    Office of Environmental Management (EM)

    DEPARTMENT OF ENERGY DATA ACCESS AND PRIVACY ISSUES RELATED TO SMART GRID TECHNOLOGIES ... generate highly detailed or -granular energy-consumption data that should be accorded ...

  4. Colorado - Access Permit Pre-Design Checklist | Open Energy Informatio...

    Open Energy Info (EERE)

    Jump to: navigation, search OpenEI Reference LibraryAdd to library General: Colorado - Access Permit Pre-Design Checklist Author Colorado Department of Transportation Published...

  5. Application for Permit to Construct Access Driveway Facilities...

    Open Energy Info (EERE)

    Permit to Construct Access Driveway Facilities on Highway ROW Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- Permit ApplicationPermit...

  6. Better Alternative to "Cold Storage" Promises to Keep Data Accessible...

    Energy Savers [EERE]

    innovative new ways to keep massive amounts of stored data available for rapid access, while also minimizing power consumption and improving the quality of data-driven research. ...

  7. Accessing trigluon correlations in the nucleon via the single...

    Office of Scientific and Technical Information (OSTI)

    asymmetry in open charm production Citation Details In-Document Search Title: Accessing trigluon correlations in the nucleon via the single spin asymmetry in open charm ...

  8. ACCESS: Argonne Collaborative Center for Energy Storage Science...

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

    ACCESS: Argonne Collaborative Center for Energy Storage Science Share Topic Energy Energy usage Energy storage Browse By - Any - Energy -Energy efficiency --Vehicles ---Alternative ...

  9. RIGHT OF ACCESS BY OTHERS - ITER (December 2013

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

    RIGHT OF ACCESS BY OTHERS - ITER (December 2013) In order to ensure the quality and fitness of components and systems procured for ITER, the Company, ITER International...

  10. RAPID/Geothermal/Land Access/Montana | Open Energy Information

    Open Energy Info (EERE)

    Way Easement for Utilities Through State Lands. Local Land Access Process not available Policies & Regulations An Introduction to Electric Power Transmission Environmental...

  11. Phase II Smart Grid Data Access Funding Opportunity Winner Announced

    Broader source: Energy.gov [DOE]

    The Energy Department announced on December 19 that San Diego Gas & Electric has won the second phase of the Smart Grid Data Access funding opportunity.

  12. Universal programming interface with concurrent access

    Energy Science and Technology Software Center (OSTI)

    2004-10-07

    There exist a number of devices with a positioning nature of operation, such as mechanical linear stages, temperature controllers, or filterwheels with discrete state, and most of them have different programming interfaces. The Universal Positioner software suggests the way to handle all of them is with a single approach, whereby a particular hardware driver is created from the template and by translating the actual commands used by the hardware to and from the universal programmingmore » interface. The software contains the universal API module itself, the demo simulation of hardware, and the front-end programs to help developers write their own software drivers along with example drivers for actual hardware controllers. The software allows user application programs to call devices simultaneously without race conditions (multitasking and concurrent access). The template suggested in this package permits developers to integrate various devices easily into their applications using the same API. The drivers can be stacked; i.e., they can call each other via the same interface.« less

  13. Beyond the Brillouin limit with the Penning fusion experiment

    SciTech Connect (OSTI)

    Barnes, D.C.; Mitchell, T.B.; Schauer, M.M.

    1996-11-09

    Several years ago, it was proposed that a dense nonneutral plasma could be produced in a Penning trap. Nonneutral plasmas have excellent confinement. Thus, such a dense plasma might produce simultaneously high density and good confinement (as needed for fusion). Recently, this theoretical conjecture has been demonstrated in a small (3 mm radius) electron experiment (PFX). Densities up to 35 times the Brillouin density (limiting number density in a static trap) have been inferred from the observed strong (100:1) spherical focussing. Electrons are injected at low energy from a single pole of the sphere. A surprising observation is the self-organization of the system into a spherical state, which occurs precisely when the trap parameters are adjusted to produce a spherical well. This organization is observed by a bootstrapping which produces a hysteresis. Additional observations which confirm the dense spherical focus are energy-scattered electrons and deflections of an electron probe beam by the space charge of the central focus.

  14. Differential cross sections for electron impact excitation of the electronic bands of phenol

    SciTech Connect (OSTI)

    Neves, R. F. C.; Jones, D. B.; Lopes, M. C. A.; Nixon, K. L.; Silva, G. B. da; Duque, H. V.; Oliveira, E. M. de; Lima, M. A. P.; Costa, R. F. da; Varella, M. T. do N.; Bettega, M. H. F.; and others

    2015-03-14

    We report results from a joint theoretical and experimental investigation into electron scattering from the important organic species phenol (C{sub 6}H{sub 5}OH). Specifically, differential cross sections (DCSs) have been measured and calculated for the electron-impact excitation of the electronic states of C{sub 6}H{sub 5}OH. The measurements were carried out at energies in the range 15–40 eV, and for scattered-electron angles between 10{sup ∘} and 90{sup ∘}. The energy resolution of those experiments was typically ∼80 meV. Corresponding Schwinger multichannel method with pseudo-potentials calculations, with and without Born-closure, were also performed for a sub-set of the excited electronic-states that were accessed in the measurements. Those calculations were conducted at the static exchange plus polarisation (SEP)-level using a minimum orbital basis for single configuration interaction (MOBSCI) approach. Agreement between the measured and calculated DCSs was typically fair, although to obtain quantitative accord, the theory would need to incorporate even more channels into the MOBSCI.

  15. Biodiesel Energy Trading Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Jump to: navigation, search Name: Biodiesel Energy Trading Limited Place: London, United Kingdom Zip: W1J 8DY Product: London-based company focused on trading of biodiesel....

  16. IT Power Limited | Open Energy Information

    Open Energy Info (EERE)

    IT Power Limited Jump to: navigation, search Name: IT Power Limited Place: Basingstoke, England, United Kingdom Zip: RG24 8AG Sector: Renewable Energy Product: IT Power is a...

  17. EU Energy Wind Limited | Open Energy Information

    Open Energy Info (EERE)

    Wind Limited Jump to: navigation, search Name: EU Energy (Wind) Limited Place: Central Milton Keynes, United Kingdom Zip: K9 1LH Sector: Wind energy Product: The company will be...

  18. Lead Hero Limited | Open Energy Information

    Open Energy Info (EERE)

    Hero Limited Jump to: navigation, search Name: Lead Hero Limited Place: China Product: China-based company that holds a 100% interest in XiAn Lv Jing and a 15.05% interest in...

  19. Graduate Program Time Limits and Work Schedules

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

    Time Limits and Work Schedules Graduate Program Time Limits and Work Schedules Point your career towards Los Alamos Lab: work with the best minds on the planet in an inclusive...

  20. Undergraduate Program Time Limits and Work Schedules

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

    Time Limits and Work Schedules Undergraduate Program Time Limits and Work Schedules Point your career towards Los Alamos Lab: work with the best minds on the planet in an inclusive...

  1. GenDrive Limited | Open Energy Information

    Open Energy Info (EERE)

    GenDrive Limited Jump to: navigation, search Name: GenDrive Limited Place: Cambridge, United Kingdom Zip: CB23 3GY Sector: Renewable Energy, Solar, Wind energy Product: Developing...

  2. Mistral Invest Limited | Open Energy Information

    Open Energy Info (EERE)

    Mistral Invest Limited Jump to: navigation, search Name: Mistral Invest Limited Place: London, United Kingdom Zip: W1U 7DW Sector: Wind energy Product: Private Equity Fund aiming...

  3. Zebec Biogas Limited | Open Energy Information

    Open Energy Info (EERE)

    Zebec Biogas Limited Jump to: navigation, search Name: Zebec Biogas Limited Place: Glasgow, Scotland, United Kingdom Zip: G12 9JD Product: Sotland-based biogas company. The firm is...

  4. Aerogels for electronics

    SciTech Connect (OSTI)

    Hrubesh, L.W.

    1994-10-01

    In addition to their other exceptional properties, aerogels also exhibit unusual dielectric and electronic properties due to their nano-sized structures and high porosities. For example, aerogels have the lowest dielectric constants measured for a solid material (having values approaching 1.0); they have exceptionally high dielectric resistivities and strengths (i.e., ability to insulate very high voltages); they exhibit low dielectric loss at microwave frequencies; and some aerogels are electrically conductive and photoconductive. These properties are being exploited to provide the next generation of materials for energy storage, low power consumption, and ultra-fast electronics. We are working toward adapting these unusual materials for microelectronic applications, particularly, making thin aerogel films for dielectric substrates and for energy storage devices such as supercapacitors. Measurements are presented in this paper for the dielectric and electronic properties of aerogels, including the dielectric constant, loss factor, dielectric and electrical conductivity, volume resistivity, and dielectric strength. We also describe methods to form and characterize thin aerogel films which are being developed for numerous electronic applications. Finally, some of the electronic applications proposed for aerogels are presented. Commercialization of aerogels for electronics must await further feasibility, prototype development, and cost studies, but they are one of the key materials and are sure to have a major impact on future electronics.

  5. Exorka International Limited | Open Energy Information

    Open Energy Info (EERE)

    Exorka International Limited is a specialist developer of low-temperature geothermal electricity generation, incorporated in England. References: Exorka International...

  6. Undergraduate Program Time Limits and Work Schedules

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

    Time Limits and Work Schedules Undergraduate Program Time Limits and Work Schedules Point your career towards Los Alamos Lab: work with the best minds on the planet in an inclusive environment that is rich in intellectual vitality and opportunities for growth. Contact Student Programs (505) 665-0987 Email Time limits The length of participation in the undergraduate program is limited to a maximum of six years for students pursuing a bachelor's degree and three years for students pursuing an

  7. Silver Spring Networks comments on DOE NBP RFI: Data Access | Department of

    Energy Savers [EERE]

    Energy Data Access Silver Spring Networks comments on DOE NBP RFI: Data Access Silver Spring Networks comments on DOE NBP RFI: Data Access PDF icon Silver Spring Networks comments on DOE NBP RFI: Data Access More Documents & Publications Silver Spring Networks comments on DOE NBP RFI: Comms Requirements NBP RFI: Data Access RE: NBP RFI: Data Access

  8. High temperature superconducting fault current limiter

    DOE Patents [OSTI]

    Hull, J.R.

    1997-02-04

    A fault current limiter for an electrical circuit is disclosed. The fault current limiter includes a high temperature superconductor in the electrical circuit. The high temperature superconductor is cooled below its critical temperature to maintain the superconducting electrical properties during operation as the fault current limiter. 15 figs.

  9. High temperature superconducting fault current limiter

    DOE Patents [OSTI]

    Hull, John R.

    1997-01-01

    A fault current limiter (10) for an electrical circuit (14). The fault current limiter (10) includes a high temperature superconductor (12) in the electrical circuit (14). The high temperature superconductor (12) is cooled below its critical temperature to maintain the superconducting electrical properties during operation as the fault current limiter (10).

  10. Primordial magnetic field limits from cosmological data

    SciTech Connect (OSTI)

    Kahniashvili, Tina [McWilliams Center for Cosmology and Department of Physics, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213 (United States); Department of Physics, Laurentian University, Ramsey Lake Road, Sudbury, Ontario P3E 2C (Canada); Abastumani Astrophysical Observatory, Ilia State University, 2A Kazbegi Ave, Tbilisi, GE-0160 (Georgia); Tevzadze, Alexander G. [Abastumani Astrophysical Observatory, Ilia State University, 2A Kazbegi Ave, Tbilisi, GE-0160 (Georgia); Faculty of Exact and Natural Sciences, Tbilisi State University, 1 Chavchavadze Avenue, Tbilisi, GE-0128 (Georgia); Sethi, Shiv K. [McWilliams Center for Cosmology and Department of Physics, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213 (United States); Raman Research Institute, Sadashivanagar, Bangalore 560080 (India); Pandey, Kanhaiya [Raman Research Institute, Sadashivanagar, Bangalore 560080 (India); Ratra, Bharat [Department of Physics, Kansas State University, 116 Cardwell Hall, Manhattan, Kansas 66506 (United States)

    2010-10-15

    We study limits on a primordial magnetic field arising from cosmological data, including that from big bang nucleosynthesis, cosmic microwave background polarization plane Faraday rotation limits, and large-scale structure formation. We show that the physically relevant quantity is the value of the effective magnetic field, and limits on it are independent of how the magnetic field was generated.

  11. U-211: EMC Celerra/VNX/VNXe Access Control Bug Lets Remote Authenticated Users Access Files/Directories

    Broader source: Energy.gov [DOE]

    A vulnerability was reported in EMC Celerra/VNX/VNXe. A remote authenticated user can access files and directories on the target file system.

  12. Upper limit power for self-guided propagation of intense lasers in plasma

    SciTech Connect (OSTI)

    Wang Weimin; Hu Zhidan; Chen Liming; Li Yutong; Sheng Zhengming; Zhang Jie; Zeng Ming; Liu Yue; Kawata, Shigeo; Zheng Chunyang; Mori, Warren B.

    2012-10-29

    It is shown that there is an upper-limit laser power for self-focusing of a laser pulse in plasma in addition to the well-known lower-limit critical power set by the relativistic effect. This upper limit is caused by the transverse ponderomotive force of the laser, which tends to expel plasma electrons from the laser propagating area. Furthermore, there is a lower-limit plasma density for a given laser spot size, below which self-focusing does not occur for any laser power. Both the lower-limit density and the upper-limit power are derived theoretically and verified by two-dimensional and three-dimensional particle-in-cell simulations. It is also found that plasma channels may be unfavorable for stable guiding of lasers above the upper-limit power.

  13. Non-Thermal Electron Energization from Magnetic Reconnection in

    Office of Scientific and Technical Information (OSTI)

    Laser-Driven Plasmas (Journal Article) | SciTech Connect Non-Thermal Electron Energization from Magnetic Reconnection in Laser-Driven Plasmas Citation Details In-Document Search Title: Non-Thermal Electron Energization from Magnetic Reconnection in Laser-Driven Plasmas × You are accessing a document from the Department of Energy's (DOE) SciTech Connect. This site is a product of DOE's Office of Scientific and Technical Information (OSTI) and is provided as a public service. Visit OSTI to

  14. Development of hollow electron beams for proton and ion collimation

    SciTech Connect (OSTI)

    Stancari, G.; Drozhdin, A.I.; Kuznetsov, G.; Shiltsev, V.; Still, D.A.; Valishev, A.; Vorobiev, L.G.; Assmann, R.; Kabantsev, A.

    2010-06-01

    Magnetically confined hollow electron beams for controlled halo removal in high-energy colliders such as the Tevatron or the LHC may extend traditional collimation systems beyond the intensity limits imposed by tolerable material damage. They may also improve collimation performance by suppressing loss spikes due to beam jitter and by increasing capture efficiency. A hollow electron gun was designed and built. Its performance and stability were measured at the Fermilab test stand. The gun will be installed in one of the existing Tevatron electron lenses for preliminary tests of the hollow-beam collimator concept, addressing critical issues such as alignment and instabilities of the overlapping proton and electron beams.

  15. Homogenization limit for a multiband effective mass model in heterostructures

    SciTech Connect (OSTI)

    Morandi, O.

    2014-06-15

    We study the homogenization limit of a multiband model that describes the quantum mechanical motion of an electron in a quasi-periodic crystal. In this approach, the distance among the atoms that constitute the material (lattice parameter) is considered a small quantity. Our model include the description of materials with variable chemical composition, intergrowth compounds, and heterostructures. We derive the effective multiband evolution system in the framework of the kp approach. We study the well posedness of the mathematical problem. We compare the effective mass model with the standard kp models for uniform and non-uniforms crystals. We show that in the limit of vanishing lattice parameter, the particle density obtained by the effective mass model, converges to the exact probability density of the particle.

  16. Controlling Graphene's Electronic Structure

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

    momentum because the electrons are restricted to motion in a two-dimensional plane. The Dirac crossing points are at energy ED. 2D Perfection in a 3D World Graphene, a perfect...

  17. Electron Microscope Facility

    ScienceCinema (OSTI)

    None

    2010-01-08

    Brookhaven Lab is home to one of only a few Scanning Transmision Electron Microscope (STEM) machines in the world and one of the few that can image single heavy atoms.

  18. Adjudicative Guidelines for Determining Eligibility for Access to

    Energy Savers [EERE]

    Classified Information | Department of Energy Adjudicative Guidelines for Determining Eligibility for Access to Classified Information Adjudicative Guidelines for Determining Eligibility for Access to Classified Information Introduction. The following adjudicative guidelines are established for all U.S. government civilian and military personnel, consultants, contractors, employees of contractors, licensees, certificate holders or grantees and their employees and other individuals who

  19. Structure for common access and support of fuel cell stacks

    DOE Patents [OSTI]

    Walsh, Michael M.

    2000-01-01

    A structure provides common support and access to multiple fuel cells externally mounted thereto. The structure has openings leading to passages defined therein for providing the access. Various other fuel cell power system components are connected at the openings, such as reactant and coolant sources.

  20. Efficient Memory Access with NumPy Global Arrays using Local Memory Access

    SciTech Connect (OSTI)

    Daily, Jeffrey A.; Berghofer, Dan C.

    2013-08-03

    This paper discusses the work completed working with Global Arrays of data on distributed multi-computer systems and improving their performance. The tasks completed were done at Pacific Northwest National Laboratory in the Science Undergrad Laboratory Internship program in the summer of 2013 for the Data Intensive Computing Group in the Fundamental and Computational Sciences DIrectorate. This work was done on the Global Arrays Toolkit developed by this group. This toolkit is an interface for programmers to more easily create arrays of data on networks of computers. This is useful because scientific computation is often done on large amounts of data sometimes so large that individual computers cannot hold all of it. This data is held in array form and can best be processed on supercomputers which often consist of a network of individual computers doing their computation in parallel. One major challenge for this sort of programming is that operations on arrays on multiple computers is very complex and an interface is needed so that these arrays seem like they are on a single computer. This is what global arrays does. The work done here is to use more efficient operations on that data that requires less copying of data to be completed. This saves a lot of time because copying data on many different computers is time intensive. The way this challenge was solved is when data to be operated on with binary operations are on the same computer, they are not copied when they are accessed. When they are on separate computers, only one set is copied when accessed. This saves time because of less copying done although more data access operations were done.

  1. Free electron laser

    DOE Patents [OSTI]

    Villa, Francesco

    1990-01-01

    A high gain, single-pass free electron laser formed of a high brilliance electron injector source, a linear accelerator which imparts high energy to the electron beam, and an undulator capable of extremely high magnetic fields, yet with a very short period. The electron injector source is the first stage (gap) of the linear accelerator or a radial line transformer driven by fast circular switch. The linear accelerator is formed of a plurality of accelerating gaps arranged in series. These gaps are energized in sequence by releasing a single pulse of energy which propagates simultaneously along a plurality of transmission lines, each of which feeds the gaps. The transmission lines are graduated in length so that pulse power is present at each gap as the accelerated electrons pass therethrough. The transmission lines for each gap are open circuited at their ends. The undualtor has a structure similar to the accelerator, except that the transmission lines for each gap are substantially short circuited at their ends, thus converting the electric field into magnetic field. A small amount of resistance is retained in order to generate a small electric field for replenishing the electron bunch with the energy lost as it traverses through the undulator structure.

  2. Innovative Feed-In Tariff Designs that Limit Policy Costs (Technical

    Office of Scientific and Technical Information (OSTI)

    Report) | SciTech Connect Innovative Feed-In Tariff Designs that Limit Policy Costs Citation Details In-Document Search Title: Innovative Feed-In Tariff Designs that Limit Policy Costs × You are accessing a document from the Department of Energy's (DOE) SciTech Connect. This site is a product of DOE's Office of Scientific and Technical Information (OSTI) and is provided as a public service. Visit OSTI to utilize additional information resources in energy science and technology. A paper copy

  3. The potential, limitations, and challenges of divide and conquer quantum electronic structure calculations on energetic materials.

    SciTech Connect (OSTI)

    Tucker, Jon R.; Magyar, Rudolph J.

    2012-02-01

    High explosives are an important class of energetic materials used in many weapons applications. Even with modern computers, the simulation of the dynamic chemical reactions and energy release is exceedingly challenging. While the scale of the detonation process may be macroscopic, the dynamic bond breaking responsible for the explosive release of energy is fundamentally quantum mechanical. Thus, any method that does not adequately describe bonding is destined to lack predictive capability on some level. Performing quantum mechanics calculations on systems with more than dozens of atoms is a gargantuan task, and severe approximation schemes must be employed in practical calculations. We have developed and tested a divide and conquer (DnC) scheme to obtain total energies, forces, and harmonic frequencies within semi-empirical quantum mechanics. The method is intended as an approximate but faster solution to the full problem and is possible due to the sparsity of the density matrix in many applications. The resulting total energy calculation scales linearly as the number of subsystems, and the method provides a path-forward to quantum mechanical simulations of millions of atoms.

  4. Long-Term Surveillance and Maintenance Records: Maintaining Access to the Knowledge - 13122

    SciTech Connect (OSTI)

    Montgomery, John; Gueretta, Jeanie; McKinney, Ruth; Anglim, Cliff

    2013-07-01

    The U.S. Department of Energy (DOE) Office of Legacy Management (LM) is an integral part of DOE's strategy to ensure that legacy liabilities of former nuclear weapons production sites are properly managed following the completion of environmental cleanup activities. In the area of environmental legacy management, records management is crucial to the protection of health, environmental, and legal interests of the Department and the public. LM is responsible for maintaining long-term surveillance and maintenance (LTS and M) records in performance of its mission. Maintaining access to the knowledge contained in these record collections is one of LM's primary responsibilities. To fulfill this responsibility, LM established a consolidated records management facility, the LM Business Center (LMBC), to house physical media records and electronic records. A new electronic record keeping system (ERKS) was needed to replace an obsolete system while helping to ensure LM is able to meet ongoing responsibilities to maintain access to knowledge and control the life cycle management of records. (authors)

  5. Energy Storage & Power Electronics 2008 Peer Review - Power Electronic...

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

    Power Electronics (PE) Systems Presentations Energy Storage & Power Electronics 2008 Peer ... PDF icon ESPE 2008 Peer Review - ABMAS Battery Management System for USCG Applications ...

  6. A method of forming a high-quality electron beam for free electron masers

    SciTech Connect (OSTI)

    Samsonov, S.V.; Bratman, V.L.; Manuilov, V.N.

    1995-12-31

    A large number of electron microwave devices require initially rectilinear high-quality electron beams for effective operation. In FEMS such beams are pumped up to sufficiently high operating-oscillation velocity and small initial particle oscillations (cyclotron oscillations if the beam is focused by an axial magnetic field) can lead to a rather large transverse velocity spread and, correspondingly, axial velocity spread. Thus, an acute problem for these devices (essentially more important than for Cherenkov-type devices) is the formation of a beam in which electrons initially move along the axis with minimum oscillations. A new method to form such a beam by a two-electrode axially-symmetrical gun of simple configuration immersed in a uniform axial magnetic field is discussed in this paper. This method allows to improve the quality of an electron beam passing through a narrow anode outlet. It is well-known that the anode aperture acts as an electrostatic lens and disperses the electron beam. In the presence of an axial magnetic field this unwanted dispersing action can be compensated simultaneously for all electrons of the paraxial electron beam by means of a magnetic field generated by a small additional coil placed down-stream from the anode aperture. If the coil length is equal to half the electron Larmor step, then the action of the border cod fields comes to two kicks which, being correctly phased, compensate the spurious rotary electron velocities. Computer simulations using the EPOSR-code intended for the calculation of electron guns both for the temperature- and space-charge-limited regimes prove the effectiveness of this method. In particular, for a version of field-emission gun the correcting coil reduces about five times the maximum transverse velocity in the beam. Positive effect from applying this method was proved at a realization of a high-efficiency CARM-oscillator.

  7. Power Electronics | Department of Energy

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

    Systems Integration » Power Electronics Power Electronics PowerElectronics graphic.png Power electronics, critical components in PV systems and the larger electric grid, are used to convert electricity from one form to another and deliver it from generation to end consumption. The objective of the Power Electronics activity area is to develop solutions that leverage transformative power electronics technologies-including wide band gap semiconductors, advanced magnetics, thin film capacitors,

  8. Cooling system for electronic components

    DOE Patents [OSTI]

    Anderl, William James; Colgan, Evan George; Gerken, James Dorance; Marroquin, Christopher Michael; Tian, Shurong

    2015-12-15

    Embodiments of the present invention provide for non interruptive fluid cooling of an electronic enclosure. One or more electronic component packages may be removable from a circuit card having a fluid flow system. When installed, the electronic component packages are coincident to and in a thermal relationship with the fluid flow system. If a particular electronic component package becomes non-functional, it may be removed from the electronic enclosure without affecting either the fluid flow system or other neighboring electronic component packages.

  9. Beyond Orbital-Motion-Limited theory effects for dust transport in tokamaks

    SciTech Connect (OSTI)

    Delzanno, Gian Luca; Tang, Xianzhu

    2015-05-29

    Dust transport in tokamaks is very important for ITER. Can many kilograms of dust really accumulate in the device? Can the dust survive? The conventional dust transport model is based on Orbital-Motion-Limited theory (OML). But OML can break in the limit where the dust grain becomes positively charged due to electron emission processes because it overestimates the dust collected power. An OML+ approximation of the emitted electrons trapped/passing boundary is shown to be in good agreement with PIC simulations.

  10. Electron microscope phase enhancement

    DOE Patents [OSTI]

    Jin, Jian; Glaeser, Robert M.

    2010-06-15

    A microfabricated electron phase shift element is used for modifying the phase characteristics of an electron beam passing though its center aperture, while not affecting the more divergent portion of an incident beam to selectively provide a ninety-degree phase shift to the unscattered beam in the back focal plan of the objective lens, in order to realize Zernike-type, in-focus phase contrast in an electron microscope. One application of the element is to increase the contrast of an electron microscope for viewing weakly scattering samples while in focus. Typical weakly scattering samples include biological samples such as macromolecules, or perhaps cells. Preliminary experimental images demonstrate that these devices do apply a ninety degree phase shift as expected. Electrostatic calculations have been used to determine that fringing fields in the region of the scattered electron beams will cause a negligible phase shift as long as the ratio of electrode length to the transverse feature-size aperture is about 5:1. Calculations are underway to determine the feasibility of aspect smaller aspect ratios of about 3:1 and about 2:1.

  11. Tokyo Electron | Open Energy Information

    Open Energy Info (EERE)

    Electron Jump to: navigation, search Name: Tokyo Electron Place: Tokyo, Tokyo, Japan Zip: 107-8481 Product: As a leading global supplier of semiconductor production equipment,...

  12. Electronics Stewardship | Department of Energy

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

    Electronics Stewardship Mission The team promotes sustainable management of LM's electronic equipment, as deemed appropriate for LM operations and approved by LM, as defined in: ...

  13. The Future of Electron Microscopy

    SciTech Connect (OSTI)

    Zheng, Haimei

    2015-05-06

    Berkeley Lab scientist Haimei Zheng discusses the future of electron microscopy and her breakthrough research into examining liquids using an electron microscope.

  14. Circular free-electron laser

    DOE Patents [OSTI]

    Brau, Charles A.; Kurnit, Norman A.; Cooper, Richard K.

    1984-01-01

    A high efficiency, free electron laser utilizing a circular relativistic electron beam accelerator and a circular whispering mode optical waveguide for guiding optical energy in a circular path in the circular relativistic electron beam accelerator such that the circular relativistic electron beam and the optical energy are spatially contiguous in a resonant condition for free electron laser operation. Both a betatron and synchrotron are disclosed for use in the present invention. A free electron laser wiggler is disposed around the circular relativistic electron beam accelerator for generating a periodic magnetic field to transform energy from the circular relativistic electron beam to optical energy.

  15. Tim Kuneli, Electronics Maintenance Group

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

    Tim Kuneli, Electronics Maintenance Group Print The recent ALS power supply failure was one of the most challenging projects that Electronics Engineer Technical Superintendent Tim...

  16. Manasa Electronics | Open Energy Information

    Open Energy Info (EERE)

    Manasa Electronics Jump to: navigation, search Name: Manasa Electronics Place: Ghaziabad, Uttar Pradesh, India Zip: 201 005 Sector: Solar Product: Ghaziabad-based manufacturer of...

  17. Electron Trapping by Molecular Vibration

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

    Electron Trapping by Molecular Vibration Print In photoelectron spectroscopy experiments performed at the ALS, a group of researchers has found that electronic transitions normally...

  18. Green Heat Solutions Limited | Open Energy Information

    Open Energy Info (EERE)

    to: navigation, search Name: Green Heat Solutions Limited Region: Scotland Sector: Marine and Hydrokinetic Website: http: This company is listed in the Marine and Hydrokinetic...

  19. Acquasol Infrastructure Limited | Open Energy Information

    Open Energy Info (EERE)

    to: navigation, search Name: Acquasol Infrastructure Limited Place: Adelaide, South Australia, Australia Zip: 5000 Sector: Solar Product: Adelaide based solar thermal project and...

  20. Carnegie Wave Energy Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Address: 1 124 Stirling Highway Place: North Fremantle Zip: 6159 Region: Australia Sector: Marine and Hydrokinetic Year Founded: 1993 Website: www.carnegiewave.com...

  1. Power Paper Limited | Open Energy Information

    Open Energy Info (EERE)

    Jump to: navigation, search Name: Power Paper Limited Place: Kiryat Arye, Petah Tikva, Israel Zip: 49130 Product: Power Paper is a developer of next-generation, printable...

  2. GP Batteries International Limited | Open Energy Information

    Open Energy Info (EERE)

    International Limited is principally engaged in the development, manufacture and marketing of batteries and battery-related products. References: GP Batteries International...

  3. Interim Guidance Regarding Limitations on CERCLA Liability |...

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library PermittingRegulatory Guidance - Inner-Office Memorandum: Interim Guidance Regarding Limitations on CERCLA LiabilityPermitting...

  4. Hydrogenation of Dislocation-Limited Heteroepitaxial Silicon...

    Office of Scientific and Technical Information (OSTI)

    Hydrogenation of Dislocation- Limited Heteroepitaxial Silicon Solar Cells Preprint Michael L. Bolen, Sachit Grover, Charles W. Teplin, Howard M. Branz, and Paul Stradins National...

  5. Amperex Technology Limited ATL | Open Energy Information

    Open Energy Info (EERE)

    Technology Limited (ATL) Place: N.T., Hong Kong Product: Designer and manufacturer of Lithium Ion Polymer (LIP) battery cells and batteries for OEM customers making cell phones,...

  6. EVO Electric Limited | Open Energy Information

    Open Energy Info (EERE)

    Greater London, United Kingdom Zip: GU21 5JY Product: EVO Electric Limited develops electrical motors and generators for use in gensets, powertrains, and traction motors in...

  7. 12 Voltz Limited | Open Energy Information

    Open Energy Info (EERE)

    Limited Place: Cumbria, United Kingdom Zip: LA8 9NH Sector: Renewable Energy, Solar, Wind energy Product: Selling and delivering broad range of advanced energy generating...

  8. Caldyne Automatics Limited | Open Energy Information

    Open Energy Info (EERE)

    storage product manufacturer; also makes lighting systems based on solar, wind and solar wind hybrid systems. References: Caldyne Automatics Limited1 This article is a stub....

  9. Maharashtra State Power Generation Company Limited MAHAGENCO...

    Open Energy Info (EERE)

    search Name: Maharashtra State Power Generation Company Limited (MAHAGENCO) Place: Mumbai, Maharashtra, India Zip: 400051 Product: Power generating firm planning to set up a...

  10. Vihaan Networks Limited VNL | Open Energy Information

    Open Energy Info (EERE)

    to: navigation, search Name: Vihaan Networks Limited (VNL) Place: Gurgaon, Haryana, India Zip: 122015 Sector: Solar Product: Developer of solar-powered GSM system for rural...

  11. Bharat Renewable Energy Limited | Open Energy Information

    Open Energy Info (EERE)

    Energy Limited Place: Lucknow, Uttar Pradesh, India Product: Uttar Pradesh-based joint venture company for the production, procurement, cultivation and plantation of crops...

  12. Colony Mills Limited | Open Energy Information

    Open Energy Info (EERE)

    Place: Lahore, Pakistan Sector: Solar Product: Yarn manufacturer, plans to set up solar thermal plant. References: Colony Mills Limited1 This article is a stub. You can help...

  13. Cumbria Wind Farms Limited | Open Energy Information

    Open Energy Info (EERE)

    United Kingdom Zip: SY16 2LW Sector: Services Product: Provides operational and maintenance services in Cumbria, Cornwall and Wales. References: Cumbria Wind Farms Limited1...

  14. Hebei Hydroelectric Company Limited | Open Energy Information

    Open Energy Info (EERE)

    Place: Shijiazhuang, Hebei Province, China Zip: 50011 Sector: Hydro Product: China-based small hydro project developer. References: Hebei Hydroelectric Company Limited1 This...

  15. Proactive Energy Limited | Open Energy Information

    Open Energy Info (EERE)

    Energy Product: Scotland-based renewable energy company that is developing a 5MW biogas plant in South Lanarkshire. References: Proactive Energy Limited1 This article is a...

  16. Wedotebary Nigeria Limited | Open Energy Information

    Open Energy Info (EERE)

    Name: Wedotebary Nigeria Limited Place: Bukuru, Nigeria Product: Nigeria-based manufacturing conglomerate. Coordinates: 9.79017, 8.85481 Show Map Loading map......

  17. CarbonPlan Limited | Open Energy Information

    Open Energy Info (EERE)

    as a consultant advising on renewable energy technologies, energy efficiency, & corporate social responsibility. References: CarbonPlan Limited1 This article is a stub. You can...

  18. Local Generation Limited | Open Energy Information

    Open Energy Info (EERE)

    United Kingdom Sector: Biomass Product: UK-based biomass firm developing anaerobic digestion plants. References: Local Generation Limited1 This article is a stub. You can help...

  19. Hydrogenation of Dislocation-Limited Heteroepitaxial Silicon...

    Office of Scientific and Technical Information (OSTI)

    Hydrogenation of Dislocation-Limited Heteroepitaxial Silicon Solar Cells: Preprint Bolen, M. L.; Grover, S.; Teplin, C. W.; Bobela, D.; Branz, H. M.; Stradins, P. 08 HYDROGEN; 14...

  20. Graduate Program Time Limits and Work Schedules

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

    Time Limits and Work Schedules Graduate Program Time Limits and Work Schedules Point your career towards Los Alamos Lab: work with the best minds on the planet in an inclusive environment that is rich in intellectual vitality and opportunities for growth. Contact Student Programs (505) 665-0987 Email Time Limits The length of participation in the graduate program is limited as follows: With a bachelor's pursuing a master's degree: 4 years With a bachelor's pursuing a PhD: 7 years With a master's

  1. Royal Energy Limited REL | Open Energy Information

    Open Energy Info (EERE)

    (REL) Place: Mumbai, Maharashtra, India Zip: 400 016 Product: Mumbai-based ethanol and biodiesel producer. References: Royal Energy Limited (REL)1 This article is a stub. You...

  2. Method for electronically publishing a single organization's requirements in an electronic publication

    DOE Patents [OSTI]

    Cannella, Timothy Patrick; Brown, Zopalla Deyar; Leverenz, Julia B.; Danforth, Teresa Marie; Kyte, Shannan Dyan; Dempster, Karen Congiu

    2008-08-12

    A system for electronically publishing the requirements of a buyer that reduces the time and paperwork required by vendors to transact business with the buyer. The electronic publication includes one or more categorized lists of items that the buyer is seeking to procure. Each listed item includes the name of the item, a brief description of the item, the name of a contact person within the buyer's organization, and one or more dates relevant to the item. The name of the item is presented as a hyperlink that leads to a detailed description of the item and a list of electronically editable forms required by the buyer. The name of the contact person is also presented as a hyperlink that leads to contact information for the contact person. Within the electronic publication, vendors can register with the buyer regarding any listed item(s). Registered vendors receive automatic updates relating to items for which they registered. An administration section, accessible only to the buyer, allows the buyer to organize information and forms submitted by the vendors.

  3. Investigation of physical processes limiting plasma density in H-mode on DIII-D

    SciTech Connect (OSTI)

    Maingi, R.; Mahdavi, M.A.; Jernigan, T.C.

    1996-12-01

    A series of experiments was conducted on the DIII-D tokamak to investigate the physical processes which limit density in high confinement mode (H-mode) discharges. The typical H-mode to low confinement mode (L-mode) transition limit at high density near the empirical Greenwald density limit was avoided by divertor pumping, which reduced divertor neutral pressure and prevented formation of a high density, intense radiation zone (MARFE) near the X-point. It was determined that the density decay time after pellet injection was independent of density relative to the Greenwald limit and increased non-linearly with the plasma current. Magnetohydrodynamic (MHD) activity in pellet-fueled plasmas was observed at all power levels, and often caused unacceptable confinement degradation, except when the neutral beam injected (NBI) power was {le} 3 MW. Formation of MARFEs on closed field lines was avoided with low safety factor (q) operation but was observed at high q, qualitatively consistent with theory. By using pellet fueling and optimizing discharge parameters to avoid each of these limits, an operational space was accessed in which density {approximately} 1.5 {times} Greenwald limit was achieved for 600 ms, and good H-mode confinement was maintained for 300 ms of the density flattop. More significantly, the density was successfully increased to the limit where a central radiative collapse was observed, the most fundamental density limit in tokamaks.

  4. Electron launching voltage monitor

    DOE Patents [OSTI]

    Mendel, Clifford W.; Savage, Mark E.

    1992-01-01

    An electron launching voltage monitor measures MITL voltage using a relationship between anode electric field and electron current launched from a cathode-mounted perturbation. An electron launching probe extends through and is spaced from the edge of an opening in a first MITL conductor, one end of the launching probe being in the gap between the MITL conductor, the other end being adjacent a first side of the first conductor away from the second conductor. A housing surrounds the launching probe and electrically connects the first side of the first conductor to the other end of the launching probe. A detector detects the current passing through the housing to the launching probe, the detected current being representative of the voltage between the conductors.

  5. ELECTRON EMISSION REGULATING MEANS

    DOE Patents [OSTI]

    Brenholdt, I.R.

    1957-11-19

    >An electronic regulating system is described for controlling the electron emission of a cathode, for example, the cathode in a mass spectrometer. The system incorporates a transformer having a first secondary winding for the above-mentioned cathode and a second secondary winding for the above-mentioned cathode and a second secondary winding load by grid controlled vacuum tubes. A portion of the electron current emitted by the cathode is passed through a network which develops a feedback signal. The system arrangement is completed by using the feedback signal to control the vacuum tubes in the second secondary winding through a regulator tube. When a change in cathode emission occurs, the feedback signal acts to correct this change by adjusting the load on the transformer.

  6. Electron launching voltage monitor

    DOE Patents [OSTI]

    Mendel, C.W.; Savage, M.E.

    1992-03-17

    An electron launching voltage monitor measures MITL voltage using a relationship between anode electric field and electron current launched from a cathode-mounted perturbation. An electron launching probe extends through and is spaced from the edge of an opening in a first MITL conductor, one end of the launching probe being in the gap between the MITL conductor, the other end being adjacent a first side of the first conductor away from the second conductor. A housing surrounds the launching probe and electrically connects the first side of the first conductor to the other end of the launching probe. A detector detects the current passing through the housing to the launching probe, the detected current being representative of the voltage between the conductors. 5 figs.

  7. Foil Electron Multiplier

    DOE Patents [OSTI]

    Funsten, Herbert O.; Baldonado, Juan R.; Dors, Eric E.; Harper, Ronnie W.; Skoug, Ruth M.

    2006-03-28

    An apparatus for electron multiplication by transmission that is designed with at least one foil having a front side for receiving incident particles and a back side for transmitting secondary electrons that are produced from the incident particles transiting through the foil. The foil thickness enables the incident particles to travel through the foil and continue on to an anode or to a next foil in series with the first foil. The foil, or foils, and anode are contained within a supporting structure that is attached within an evacuated enclosure. An electrical power supply is connected to the foil, or foils, and the anode to provide an electrical field gradient effective to accelerate negatively charged incident particles and the generated secondary electrons through the foil, or foils, to the anode for collection.

  8. JLab Registration/International Services - Identification/Access Badge

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

    Access Badge Badge Office hours: Monday - Thursday: 9:00am - 11:00am 2:00pm - 4:00pm Friday: 9:00am - 11:00am 2:00pm - 3:00pm CHANGE IN ACCEPTABLE ID DOCUMENTS FOR JLAB ACCESS The JLab Registration/International Services Office informs the Badge Office to issue a JLab Identification/access badge to approved Users, Students/Teachers and Employees who have completed the registration/orientation process (see New Registration and Returning Foreign Nationals) and successfully completed the required

  9. New antitrust issues in a deregulated environment: access to pipelines

    SciTech Connect (OSTI)

    Mahinka, S.P.; Johnson, J.L.

    1983-01-01

    The deregulated environment of the Natural Gas Policy Act, (NGPA) will introduce new antitrust issues, one issue of particular concern and difficulty being access and utilization of gas transmission and distribution facilities. The authors disagree with the tendency to use the bottleneck monopoly/essential facility doctrine to suggest that access is required by the antitrust laws. Current trends in judicial and economic analysis of refusals to deal by monopolists supports the view that nonpredatory denials of access, based on such legitimate business considerations as efficiency and profitability, are appropriate and consistent with both antitrust policy and the competitive purposes of industry deregulation. 80 references.

  10. Method and apparatus for globally-accessible automated testing

    DOE Patents [OSTI]

    Layne, Scott P.; Beugelsdijk, Tony J.

    1998-01-01

    A method and apparatus for sharing integrated testing services with a plurality of autonomous remote clients is disclosed. In the disclosed method, in response to an access request message, a process controller transmits an access enabling message to the remote client. The access enabling message includes instructions performable by a remote client to generate test equipment commands. A process controller interprets and transforms these commands into automated test instrument suite commands, which are provided to laboratory modules to perform the indicated tests. Test data results are then obtained and transmitted to the remote client.

  11. Analysis of FEL-based CeC amplification at high gain limit

    SciTech Connect (OSTI)

    Wang, G.; Litvinenko, V.; Jing, Y.

    2015-05-03

    An analysis of Coherent electron Cooling (CeC) amplifier based on 1D Free Electron Laser (FEL) theory was previously performed with exact solution of the dispersion relation, assuming electrons having Lorentzian energy distribution. At high gain limit, the asymptotic behavior of the FEL amplifier can be better understood by Taylor expanding the exact solution of the dispersion relation with respect to the detuning parameter. In this work, we make quadratic expansion of the dispersion relation for Lorentzian energy distribution and investigate how longitudinal space charge and electrons’ energy spread affect the FEL amplification process.

  12. The history and evolution of optically accessible research engines and their impact on our understanding of engine combustion

    SciTech Connect (OSTI)

    Miles, Paul C.

    2015-03-01

    The development and application of optically accessible engines to further our understanding of in-cylinder combustion processes is reviewed, spanning early efforts in simplified engines to the more recent development of high-pressure, high-speed engines that retain the geometric complexities of modern production engines. Limitations of these engines with respect to the reproduction of realistic metal test engine characteristics and performance are identified, as well as methods that have been used to overcome these limitations. Finally, the role of the work performed in these engines on clarifying the fundamental physical processes governing the combustion process and on laying the foundation for predictive engine simulation is summarized.

  13. Electronic Coupling Dependence of Ultrafast Interfacial Electron Transfer

    Office of Scientific and Technical Information (OSTI)

    on Nanocrystalline Thin Films and Single Crystal (Technical Report) | SciTech Connect Electronic Coupling Dependence of Ultrafast Interfacial Electron Transfer on Nanocrystalline Thin Films and Single Crystal Citation Details In-Document Search Title: Electronic Coupling Dependence of Ultrafast Interfacial Electron Transfer on Nanocrystalline Thin Films and Single Crystal The long-term goal of the proposed research is to understand electron transfer dynamics in nanoparticle/liquid interface.

  14. Self-triggering superconducting fault current limiter

    DOE Patents [OSTI]

    Yuan, Xing; Tekletsadik, Kasegn

    2008-10-21

    A modular and scaleable Matrix Fault Current Limiter (MFCL) that functions as a "variable impedance" device in an electric power network, using components made of superconducting and non-superconducting electrically conductive materials. The matrix fault current limiter comprises a fault current limiter module that includes a superconductor which is electrically coupled in parallel with a trigger coil, wherein the trigger coil is magnetically coupled to the superconductor. The current surge doing a fault within the electrical power network will cause the superconductor to transition to its resistive state and also generate a uniform magnetic field in the trigger coil and simultaneously limit the voltage developed across the superconductor. This results in fast and uniform quenching of the superconductors, significantly reduces the burnout risk associated with non-uniformity often existing within the volume of superconductor materials. The fault current limiter modules may be electrically coupled together to form various "n" (rows).times."m" (columns) matrix configurations.

  15. MEIC electron cooling program

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

    Derbenev, Yaroslav S.; Zhang, Yuhong

    2014-12-01

    Cooling of proton and ion beams is essential for achieving high luminosities (up to above 1034 cm-2s-1) for MEIC, a Medium energy Electron-Ion Collider envisioned at JLab [1] for advanced nuclear science research. In the present conceptual design, we utilize the conventional election cooling method and adopted a multi-staged cooling scheme for reduction of and maintaining low beam emittances [2,3,4]. Two electron cooling facilities are required to support the scheme: one is a low energy (up to 2 MeV) DC cooler installed in the MEIC ion pre-booster (with the proton kinetic energy up to 3 GeV); the other is amore » high electron energy (up to 55 MeV) cooler in the collider ring (with the proton kinetic energy from 25 to 100 GeV). The high energy cooler, which is based on the ERL technology and a circulator ring, utilizes a bunched electron beam to cool bunched proton or ion beams. To complete the MEIC cooling concept and a technical design of the ERL cooler as well as to develop supporting technologies, an R&D program has been initiated at Jefferson Lab and significant progresses have been made since then. In this study, we present a brief description of the cooler design and a summary of the progress in this cooling R&D.« less

  16. MEIC electron cooling program

    SciTech Connect (OSTI)

    Derbenev, Yaroslav S.; Zhang, Yuhong

    2014-12-01

    Cooling of proton and ion beams is essential for achieving high luminosities (up to above 1034 cm-2s-1) for MEIC, a Medium energy Electron-Ion Collider envisioned at JLab [1] for advanced nuclear science research. In the present conceptual design, we utilize the conventional election cooling method and adopted a multi-staged cooling scheme for reduction of and maintaining low beam emittances [2,3,4]. Two electron cooling facilities are required to support the scheme: one is a low energy (up to 2 MeV) DC cooler installed in the MEIC ion pre-booster (with the proton kinetic energy up to 3 GeV); the other is a high electron energy (up to 55 MeV) cooler in the collider ring (with the proton kinetic energy from 25 to 100 GeV). The high energy cooler, which is based on the ERL technology and a circulator ring, utilizes a bunched electron beam to cool bunched proton or ion beams. To complete the MEIC cooling concept and a technical design of the ERL cooler as well as to develop supporting technologies, an R&D program has been initiated at Jefferson Lab and significant progresses have been made since then. In this study, we present a brief description of the cooler design and a summary of the progress in this cooling R&D.

  17. ELECTRONIC DIGITAL COMPUTER

    DOE Patents [OSTI]

    Stone, J.J. Jr.; Bettis, E.S.; Mann, E.R.

    1957-10-01

    The electronic digital computer is designed to solve systems involving a plurality of simultaneous linear equations. The computer can solve a system which converges rather rapidly when using Von Seidel's method of approximation and performs the summations required for solving for the unknown terms by a method of successive approximations.

  18. Electron beam cutting

    DOE Patents [OSTI]

    Mochel, M.E.; Humphreys, C.J.

    1985-04-02

    A method for the cutting of holes 20 Angstroms in diameter, or lines 20 Angstroms wide in a material having positive ionic conduction by the use of a focused electron probe is described. The holes and lines are stable under ambient conditions. 2 figs.

  19. Electron beam cutting

    DOE Patents [OSTI]

    Mochel, Margaret E.; Humphreys, Colin J.

    1985-04-02

    A method for the cutting of holes 20 Angstroms in diameter, or lines 20 Angstroms wide in a material having positive ionic conduction by the use of a focused electron probe is described. The holes and lines are stable under ambient conditions.

  20. Idaho - Access Management: Standards and Procedures for Highway...

    Open Energy Info (EERE)

    Access Management: Standards and Procedures for Highway Right-of-Way Encroachments Jump to: navigation, search OpenEI Reference LibraryAdd to library PermittingRegulatory Guidance...