Sample records for generator additions generator

  1. Ionic Liquids as Novel Lubricant Additives for Next-Generation...

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

    Ionic Liquids as Novel Lubricant Additives for Next-Generation Fuel-Efficient Engines May 15 2015 10:00 AM - 11:00 AM Jun Qu, Materials Science and Technology Division ORNL...

  2. Addition of First Generation Leptons to the External Flux Model

    E-Print Network [OSTI]

    Aaron J. Roy

    2009-11-28T23:59:59.000Z

    In an extra dimensional EW model in M_4 X S_1 there is no distinction mathematically with the standard model analog as far as the degrees of freedom of the two models along with the masses and more importantly the mass ratio relation in the zero mode limit. In this paper we present a theoretical construct of the same geometry but with the addition of an external magnetic flux permeating the extra coordinate. This will give all of the charged fields in the model an additional phase with nontrivial periodicity. This rather important addition leads to very interesting and mathematically rich physics. Here we will present the generalized theory for the addition of first generation leptons to this theory.

  3. Edinburgh Research Explorer Intelligibility enhancement of HMM-generated speech in additive

    E-Print Network [OSTI]

    Edinburgh, University of

    Edinburgh Research Explorer Intelligibility enhancement of HMM-generated speech in additive noise enhancement of HMM- generated speech in additive noise by modifying Mel cepstral coefficients to increase claim. Download date: 15. Sep. 2014 #12;Intelligibility enhancement of HMM-generated speech in additive

  4. Intelligibility enhancement of HMM-generated speech in additive noise by modifying Mel cepstral coefficients to

    E-Print Network [OSTI]

    Edinburgh, University of

    Intelligibility enhancement of HMM-generated speech in additive noise by modifying Mel cepstral intelligibility enhancement for hidden Markov model (HMM) generated synthetic speech in noise. We present a method , Ranniery Maiab a The Centre for Speech Technology Research, University of Edinburgh, UK b Cambridge

  5. ANALYSIS OF DISTRIBUTION FEEDER LOSSES DUE TO ADDITION OF DISTRIBUTED PHOTOVOLTAIC GENERATORS

    SciTech Connect (OSTI)

    Tuffner, Francis K.; Singh, Ruchi

    2011-08-09T23:59:59.000Z

    Distributed generators (DG) are small scale power supplying sources owned by customers or utilities and scattered throughout the power system distribution network. Distributed generation can be both renewable and non-renewable. Addition of distributed generation is primarily to increase feeder capacity and to provide peak load reduction. However, this addition comes with several impacts on the distribution feeder. Several studies have shown that addition of DG leads to reduction of feeder loss. However, most of these studies have considered lumped load and distributed load models to analyze the effects on system losses, where the dynamic variation of load due to seasonal changes is ignored. It is very important for utilities to minimize the losses under all scenarios to decrease revenue losses, promote efficient asset utilization, and therefore, increase feeder capacity. This paper will investigate an IEEE 13-node feeder populated with photovoltaic generators on detailed residential houses with water heater, Heating Ventilation and Air conditioning (HVAC) units, lights, and other plug and convenience loads. An analysis of losses for different power system components, such as transformers, underground and overhead lines, and triplex lines, will be performed. The analysis will utilize different seasons and different solar penetration levels (15%, 30%).

  6. Sufficient conditions for the additivity of stall forces generated by multiple filaments or motors

    E-Print Network [OSTI]

    Tripti Bameta; Dipjyoti Das; Dibyendu Das; Ranjith Padinhateeri; Mandar M. Inamdar

    2015-03-23T23:59:59.000Z

    Molecular motors and cytoskeletal filaments mostly work collectively under opposing forces. This opposing force may be due to cargo carried by motors, or resistance coming from cell membrane pressing against the cytoskeletal filaments. Certain recent studies have shown that the collective maximum force (stall force) generated by multiple cytoskeletal filaments or molecular motors may not always be just a simple sum of stall force for individual filaments or motors. To understand this phenomena of excess or deficit collective force generation, we study a broad class of models of both cytoskeletal filaments and molecular motors. We argue that the stall force generated by a group of filaments or motors is additive, i.e., the stall force of N filaments(motors) is N times the stall force of one filament (motor), when the system is in equilibrium at stall. Consequently, we show that this additivity typically does not hold when the system departs from equilibrium at stall. We thus present a novel and unified understanding of existing models exhibiting such non- addivity, and generalize our arguments by developing new models that demonstrate this phenomena. We also propose a quantity similar to thermodynamic efficiency to provide a simple understanding of deviation from stall-force additivity for filament and motor collectives.

  7. Sufficient conditions for the additivity of stall forces generated by multiple filaments or motors

    E-Print Network [OSTI]

    Bameta, Tripti; Das, Dibyendu; Padinhateeri, Ranjith; Inamdar, Mandar M

    2015-01-01T23:59:59.000Z

    Molecular motors and cytoskeletal filaments mostly work collectively under opposing forces. This opposing force may be due to cargo carried by motors, or resistance coming from cell membrane pressing against the cytoskeletal filaments. Certain recent studies have shown that the collective maximum force (stall force) generated by multiple cytoskeletal filaments or molecular motors may not always be just a simple sum of stall force for individual filaments or motors. To understand this phenomena of excess or deficit collective force generation, we study a broad class of models of both cytoskeletal filaments and molecular motors. We argue that the stall force generated by a group of filaments or motors is additive, i.e., the stall force of N filaments(motors) is N times the stall force of one filament (motor), when the system is in equilibrium at stall. Consequently, we show that this additivity typically does not hold when the system departs from equilibrium at stall. We thus present a novel and unified underst...

  8. Investigation of anisotropic metric in multidimensional space-time and generation of additional dimensions by scalar field

    E-Print Network [OSTI]

    Sergey V. Yakovlev

    2011-12-21T23:59:59.000Z

    Were investigated anisotropic metric of higher dimensional space-time with only cosmological term and scalar field. Showed, that presence of scalar field is equivalent to anisotropic metric in the multy dimensional space-time and proposed idea of dimensions generation by scalar field. Were solved Einstein's equations for higher dimensional space-time of Kazner's type and derived expressions for density of energy for scalar field, which generate additional dimensions, and proposed the procedure of renormalization of the metric.

  9. Liquid generation during sintering of Fe-3.5%Mo powder compacts with elemental boron additions

    SciTech Connect (OSTI)

    Sarasola, M.; Gomez-Acebo, T.; Castro, F

    2004-09-06T23:59:59.000Z

    The mechanisms for liquid generation and the microstructural development during sintering of a Fe-3.5Mo-0.3B alloy were studied. Interrupted sintering experiments followed by water quenching from specific temperatures within the sintering cycle have been carried out. The influence of Mo, both, on the final microstructure and on the behaviour of boron prior to, during and after the formation of the liquid phase, was studied through observation of the quenched samples under LOM and SEM. The study shows that prior to the formation of the liquid phase, boron diffuses into the metallic particles forming inter and intragranular precipitates of the (Fe,Mo){sub 2}B type. At higher temperatures a continuous Fe/Mo/B liquid phase, with excellent wetting characteristics, is formed thus leading to near fully dense materials. The generation of the liquid is based on a eutectic reaction involving the mixed (Fe,Mo){sub 2}B borides previously formed. The development of the microstructure after liquid formation is described.

  10. Thermoelectric Generators 1. Thermoelectric generator

    E-Print Network [OSTI]

    Lee, Ho Sung

    1 Thermoelectric Generators HoSung Lee 1. Thermoelectric generator 1.1 Basic Equations In 1821 effects are called the thermoelectric effects. The mechanisms of thermoelectricity were not understood. Cold Hot I - -- - - - - -- Figure 1 Electron concentration in a thermoelectric material. #12;2 A large

  11. Generation Planning (pbl/generation)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField8,Dist.Newof EnergyFundingGene ControlsCounselGeneral User Generation

  12. Understanding and Managing Generation Y

    E-Print Network [OSTI]

    Wallace, Kevin

    2007-12-14T23:59:59.000Z

    There are four generations in the workplace today; they consist of the Silent Generation, Baby Boom Generation, Generation X, and Generation Y. Generation Y, being the newest generation, is the least understood generation although marketers...

  13. Generation gaps in engineering?

    E-Print Network [OSTI]

    Kim, David J. (David Jinwoo)

    2008-01-01T23:59:59.000Z

    There is much enthusiastic debate on the topic of generation gaps in the workplace today; what the generational differences are, how to address the apparent challenges, and if the generations themselves are even real. ...

  14. Steam generator tube failures

    SciTech Connect (OSTI)

    MacDonald, P.E.; Shah, V.N.; Ward, L.W.; Ellison, P.G.

    1996-04-01T23:59:59.000Z

    A review and summary of the available information on steam generator tubing failures and the impact of these failures on plant safety is presented. The following topics are covered: pressurized water reactor (PWR), Canadian deuterium uranium (CANDU) reactor, and Russian water moderated, water cooled energy reactor (VVER) steam generator degradation, PWR steam generator tube ruptures, the thermal-hydraulic response of a PWR plant with a faulted steam generator, the risk significance of steam generator tube rupture accidents, tubing inspection requirements and fitness-for-service criteria in various countries, and defect detection reliability and sizing accuracy. A significant number of steam generator tubes are defective and are removed from service or repaired each year. This wide spread damage has been caused by many diverse degradation mechanisms, some of which are difficult to detect and predict. In addition, spontaneous tube ruptures have occurred at the rate of about one every 2 years over the last 20 years, and incipient tube ruptures (tube failures usually identified with leak detection monitors just before rupture) have been occurring at the rate of about one per year. These ruptures have caused complex plant transients which have not always been easy for the reactor operators to control. Our analysis shows that if more than 15 tubes rupture during a main steam line break, the system response could lead to core melting. Although spontaneous and induced steam generator tube ruptures are small contributors to the total core damage frequency calculated in probabilistic risk assessments, they are risk significant because the radionuclides are likely to bypass the reactor containment building. The frequency of steam generator tube ruptures can be significantly reduced through appropriate and timely inspections and repairs or removal from service.

  15. Small Generator Aggregation (Maine)

    Broader source: Energy.gov [DOE]

    This section establishes requirements for electricity providers to purchase electricity from small generators, with the goal of ensuring that small electricity generators (those with a nameplate...

  16. MCNP LWR Core Generator

    SciTech Connect (OSTI)

    Fischer, Noah A. [Los Alamos National Laboratory

    2012-08-14T23:59:59.000Z

    The reactor core input generator allows for MCNP input files to be tailored to design specifications and generated in seconds. Full reactor models can now easily be created by specifying a small set of parameters and generating an MCNP input for a full reactor core. Axial zoning of the core will allow for density variation in the fuel and moderator, with pin-by-pin fidelity, so that BWR cores can more accurately be modeled. LWR core work in progress: (1) Reflectivity option for specifying 1/4, 1/2, or full core simulation; (2) Axial zoning for moderator densities that vary with height; (3) Generating multiple types of assemblies for different fuel enrichments; and (4) Parameters for specifying BWR box walls. Fuel pin work in progress: (1) Radial and azimuthal zoning for generating further unique materials in fuel rods; (2) Options for specifying different types of fuel for MOX or multiple burn assemblies; (3) Additional options for replacing fuel rods with burnable poison rods; and (4) Control rod/blade modeling.

  17. Generation to Generation: The Heart of Family Medicine

    E-Print Network [OSTI]

    Winter, Robin O

    2012-01-01T23:59:59.000Z

    Ageism in the Workplace. Generations Spring, 5. Westman,of caring for multiple generations simultaneously. StronglyGeneration to Generation: The Heart of Family Medicine

  18. Gamma ray generator

    DOE Patents [OSTI]

    Firestone, Richard B; Reijonen, Jani

    2014-05-27T23:59:59.000Z

    An embodiment of a gamma ray generator includes a neutron generator and a moderator. The moderator is coupled to the neutron generator. The moderator includes a neutron capture material. In operation, the neutron generator produces neutrons and the neutron capture material captures at least some of the neutrons to produces gamma rays. An application of the gamma ray generator is as a source of gamma rays for calibration of gamma ray detectors.

  19. Cylindrical neutron generator

    DOE Patents [OSTI]

    Leung, Ka-Ngo (Hercules, CA)

    2008-04-22T23:59:59.000Z

    A cylindrical neutron generator is formed with a coaxial RF-driven plasma ion source and target. A deuterium (or deuterium and tritium) plasma is produced by RF excitation in a cylindrical plasma ion generator using an RF antenna. A cylindrical neutron generating target is coaxial with the ion generator, separated by plasma and extraction electrodes which contain many slots. The plasma generator emanates ions radially over 360.degree. and the cylindrical target is thus irradiated by ions over its entire circumference. The plasma generator and target may be as long as desired. The plasma generator may be in the center and the neutron target on the outside, or the plasma generator may be on the outside and the target on the inside. In a nested configuration, several concentric targets and plasma generating regions are nested to increase the neutron flux.

  20. Cylindrical neutron generator

    DOE Patents [OSTI]

    Leung, Ka-Ngo (Hercules, CA)

    2009-12-29T23:59:59.000Z

    A cylindrical neutron generator is formed with a coaxial RF-driven plasma ion source and target. A deuterium (or deuterium and tritium) plasma is produced by RF excitation in a cylindrical plasma ion generator using an RF antenna. A cylindrical neutron generating target is coaxial with the ion generator, separated by plasma and extraction electrodes which contain many slots. The plasma generator emanates ions radially over 360.degree. and the cylindrical target is thus irradiated by ions over its entire circumference. The plasma generator and target may be as long as desired. The plasma generator may be in the center and the neutron target on the outside, or the plasma generator may be on the outside and the target on the inside. In a nested configuration, several concentric targets and plasma generating regions are nested to increase the neutron flux.

  1. Cylindrical neutron generator

    DOE Patents [OSTI]

    Leung, Ka-Ngo

    2005-06-14T23:59:59.000Z

    A cylindrical neutron generator is formed with a coaxial RF-driven plasma ion source and target. A deuterium (or deuterium and tritium) plasma is produced by RF excitation in a cylindrical plasma ion generator using an RF antenna. A cylindrical neutron generating target is coaxial with the ion generator, separated by plasma and extraction electrodes which contain many slots. The plasma generator emanates ions radially over 360.degree. and the cylindrical target is thus irradiated by ions over its entire circumference. The plasma generator and target may be as long as desired. The plasma generator may be in the center and the neutron target on the outside, or the plasma generator may be on the outside and the target on the inside. In a nested configuration, several concentric targets and plasma generating regions are nested to increase the neutron flux.

  2. New wave generation

    E-Print Network [OSTI]

    Mercier, Matthieu J.

    We present the results of a combined experimental and numerical study of the generation of internal waves using the novel internal wave generator design of Gostiaux et al. (Exp. Fluids, vol. 42, 2007, pp. 123–130). This ...

  3. Motor/generator

    DOE Patents [OSTI]

    Hickam, Christopher Dale (Glasford, IL)

    2008-05-13T23:59:59.000Z

    A motor/generator is provided for connecting between a transmission input shaft and an output shaft of a prime mover. The motor/generator may include a motor/generator housing, a stator mounted to the motor/generator housing, a rotor mounted at least partially within the motor/generator housing and rotatable about a rotor rotation axis, and a transmission-shaft coupler drivingly coupled to the rotor. The transmission-shaft coupler may include a clamp, which may include a base attached to the rotor and a plurality of adjustable jaws.

  4. Milliwatt Generator Project

    SciTech Connect (OSTI)

    Latimer, T.W.; Rinehart, G.H.

    1992-05-01T23:59:59.000Z

    This report covers progress on the Milliwatt Generator Project from April 1986 through March 1988. Activities included fuel processing and characterization, production of heat sources, fabrication of pressure-burst test units, compatibility studies, impact testing, and examination of surveillance units. The major task of the Los Alamos Milliwatt Generator Project is to fabricate MC2893A heat sources (4.0 W) for MC2730A radioisotope thermoelectric generators (RTGS) and MC3599 heat sources (4.5 W) for MC3500 RTGs. The MWG Project interfaces with the following contractors: Sandia National Laboratories, Albuquerque (designer); E.I. du Pont de Nemours and Co. (Inc.), Savannah River Plant (fuel); Monsanto Research Corporation, Mound Facility (metal hardware); and General Electric Company, Neutron Devices Department (RTGs). In addition to MWG fabrication activities, Los Alamos is involved in (1) fabrication of pressure-burst test units, (2) compatibility testing and evaluation, (3) examination of surveillance units, and (4) impact testing and subsequent examination of compatibility and surveillance units.

  5. Creating a Cognitive Agent in a Virtual World: Planning, Navigation, and Natural Language Generation

    E-Print Network [OSTI]

    Hewlett, William

    2013-01-01T23:59:59.000Z

    Generation . . . . . . . . . . . . . . . . . . . . .Language Generation . . . . . . . . . . . . . . . . .Language Generation . . . . . . . . . . . . . . . . . . . .

  6. Method of grid generation

    DOE Patents [OSTI]

    Barnette, Daniel W. (Veguita, NM)

    2002-01-01T23:59:59.000Z

    The present invention provides a method of grid generation that uses the geometry of the problem space and the governing relations to generate a grid. The method can generate a grid with minimized discretization errors, and with minimal user interaction. The method of the present invention comprises assigning grid cell locations so that, when the governing relations are discretized using the grid, at least some of the discretization errors are substantially zero. Conventional grid generation is driven by the problem space geometry; grid generation according to the present invention is driven by problem space geometry and by governing relations. The present invention accordingly can provide two significant benefits: more efficient and accurate modeling since discretization errors are minimized, and reduced cost grid generation since less human interaction is required.

  7. Steam generator support system

    DOE Patents [OSTI]

    Moldenhauer, J.E.

    1987-08-25T23:59:59.000Z

    A support system for connection to an outer surface of a J-shaped steam generator for use with a nuclear reactor or other liquid metal cooled power source is disclosed. The J-shaped steam generator is mounted with the bent portion at the bottom. An arrangement of elongated rod members provides both horizontal and vertical support for the steam generator. The rod members are interconnected to the steam generator assembly and a support structure in a manner which provides for thermal distortion of the steam generator without the transfer of bending moments to the support structure and in a like manner substantially minimizes forces being transferred between the support structure and the steam generator as a result of seismic disturbances. 4 figs.

  8. Steam generator support system

    DOE Patents [OSTI]

    Moldenhauer, James E. (Simi Valley, CA)

    1987-01-01T23:59:59.000Z

    A support system for connection to an outer surface of a J-shaped steam generator for use with a nuclear reactor or other liquid metal cooled power source. The J-shaped steam generator is mounted with the bent portion at the bottom. An arrangement of elongated rod members provides both horizontal and vertical support for the steam generator. The rod members are interconnected to the steam generator assembly and a support structure in a manner which provides for thermal distortion of the steam generator without the transfer of bending moments to the support structure and in a like manner substantially minimizes forces being transferred between the support structure and the steam generator as a result of seismic disturbances.

  9. Talkin’ Bout Wind Generation

    Broader source: Energy.gov [DOE]

    The amount of electricity generated by the wind industry started to grow back around 1999, and since 2007 has been increasing at a rapid pace.

  10. SNE TRAFIC GENERATOR

    Energy Science and Technology Software Center (OSTI)

    003027MLTPL00 Network Traffic Generator for Low-rate Small Network Equipment Software  http://eln.lbl.gov/sne_traffic_gen.html 

  11. Hydrogen Generation for Refineries

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

    Single Cycle Shown for ATB SteamCarbon 3 * ATB reforming * Steamcarbon 3 * Syngas generated during reforming * 70% H 2 * 20% CO * Syngas composition agrees with...

  12. Next-generation transcriptome assembly

    E-Print Network [OSTI]

    Martin, Jeffrey A.

    2012-01-01T23:59:59.000Z

    technologies - the next generation. Nat Rev Genet 11, 31-algorithms for next-generation sequencing data. Genomicsassembly from next- generation sequencing data. Genome Res

  13. Second generation PFB for advanced power generation

    SciTech Connect (OSTI)

    Robertson, A.; Van Hook, J.

    1995-11-01T23:59:59.000Z

    Research is being conducted under a United States Department of Energy (USDOE) contract to develop a new type of coal-fueled plant for electric power generation. This new type of plant-called an advanced or second-generation pressurized fluidized bed combustion (APFBC) plant-offers the promise of 45-percent efficiency (HHV), with emissions and a cost of electricity that are significantly lower than conventional pulverized-coal-fired plants with scrubbers. This paper summarizes the pilot plant R&D work being conducted to develop this new type of plant. Although pilot plant testing is still underway, preliminary estimates indicate the commercial plant Will perform better than originally envisioned. Efficiencies greater than 46 percent are now being predicted.

  14. Contracting for wind generation

    E-Print Network [OSTI]

    Newbery, David

    The UK Government proposes offering long-term Feed-in-Tariffs (FiTs) to low-carbon generation to reduce risk and encourage new entrants. Their preference is for a Contract-for-Difference (CfD) or a premium FiT (pFiT) for all generation regardless...

  15. Laser beam generating apparatus

    DOE Patents [OSTI]

    Warner, B.E.; Duncan, D.B.

    1994-02-15T23:59:59.000Z

    Laser beam generating apparatus including a septum segment disposed longitudinally within the tubular structure of the apparatus is described. The septum provides for radiatively dissipating heat buildup within the tubular structure and for generating relatively uniform laser beam pulses so as to minimize or eliminate radial pulse delays (the chevron effect). 7 figures.

  16. Laser beam generating apparatus

    DOE Patents [OSTI]

    Warner, B.E.; Duncan, D.B.

    1993-12-28T23:59:59.000Z

    Laser beam generating apparatus including a septum segment disposed longitudinally within the tubular structure of the apparatus. The septum provides for radiatively dissipating heat buildup within the tubular structure and for generating relatively uniform laser beam pulses so as to minimize or eliminate radial pulse delays (the chevron effect). 11 figures.

  17. The fifth generation computer

    SciTech Connect (OSTI)

    Moto-Oka, T.; Kitsuregawa, M.

    1985-01-01T23:59:59.000Z

    The leader of Japan's Fifth Generation computer project, known as the 'Apollo' project, and a young computer scientist elucidate in this book the process of how the idea came about, international reactions, the basic technology, prospects for realization, and the abilities of the Fifth Generation computer. Topics considered included forecasting, research programs, planning, and technology impacts.

  18. ESF Subsurface Standby Generator Analysis

    SciTech Connect (OSTI)

    L. Fernandez

    1998-04-17T23:59:59.000Z

    The purpose of this analysis is to outline and recommend two standby generator systems. These systems shall provide power during a utility outage to critical Alcove No.5's thermal test loads and to subsurface flow through ventilation loads. Critical loads that will be supported by these generator systems will be identified and evaluated. Additionally, other requirements from the Exploratory Studies Facilities Design Requirements (ESFDR) document will be evaluated. Finally, the standby generator systems will be integrated into the existing ESF subsurface distribution system. The objective of this analysis is to provide design inputs for an efficient and reliable standby generator systems which will provide power for critical loads during a power outage; specifically, Alcove No.5's thermal test loads and the subsurface flow through ventilation loads. Additionally, preliminary one-line diagrams will be developed using this analysis as a primary input.

  19. Use of Slip Ring Induction Generator for Wind Power Generation

    E-Print Network [OSTI]

    K Y Patil; D S Chavan

    Wind energy is now firmly established as a mature technology for electricity generation. There are different types of generators that can be used for wind energy generation, among which Slip ring Induction generator proves to be more advantageous. To analyse application of Slip ring Induction generator for wind power generation, an experimental model is developed and results are studied. As power generation from natural sources is the need today and variable speed wind energy is ample in amount in India, it is necessary to study more beneficial options for wind energy generating techniques. From this need a model is developed by using Slip ring Induction generator which is a type of Asynchronous generator.

  20. Compact neutron generator

    DOE Patents [OSTI]

    Leung, Ka-Ngo; Lou, Tak Pui

    2005-03-22T23:59:59.000Z

    A compact neutron generator has at its outer circumference a toroidal shaped plasma chamber in which a tritium (or other) plasma is generated. A RF antenna is wrapped around the plasma chamber. A plurality of tritium ion beamlets are extracted through spaced extraction apertures of a plasma electrode on the inner surface of the toroidal plasma chamber and directed inwardly toward the center of neutron generator. The beamlets pass through spaced acceleration and focusing electrodes to a neutron generating target at the center of neutron generator. The target is typically made of titanium tubing. Water is flowed through the tubing for cooling. The beam can be pulsed rapidly to achieve ultrashort neutron bursts. The target may be moved rapidly up and down so that the average power deposited on the surface of the target may be kept at a reasonable level. The neutron generator can produce fast neutrons from a T-T reaction which can be used for luggage and cargo interrogation applications. A luggage or cargo inspection system has a pulsed T-T neutron generator or source at the center, surrounded by associated gamma detectors and other components for identifying explosives or other contraband.

  1. Synthetic guide star generation

    DOE Patents [OSTI]

    Payne, Stephen A.; Page, Ralph H.; Ebbers, Christopher A.; Beach, Raymond J.

    2004-03-09T23:59:59.000Z

    A system for assisting in observing a celestial object and providing synthetic guide star generation. A lasing system provides radiation at a frequency at or near 938 nm and radiation at a frequency at or near 1583 nm. The lasing system includes a fiber laser operating between 880 nm and 960 nm and a fiber laser operating between 1524 nm and 1650 nm. A frequency-conversion system mixes the radiation and generates light at a frequency at or near 589 nm. A system directs the light at a frequency at or near 589 nm toward the celestial object and provides synthetic guide star generation.

  2. Synthetic guide star generation

    DOE Patents [OSTI]

    Payne, Stephen A. (Castro Valley, CA) [Castro Valley, CA; Page, Ralph H. (Castro Valley, CA) [Castro Valley, CA; Ebbers, Christopher A. (Livermore, CA) [Livermore, CA; Beach, Raymond J. (Livermore, CA) [Livermore, CA

    2008-06-10T23:59:59.000Z

    A system for assisting in observing a celestial object and providing synthetic guide star generation. A lasing system provides radiation at a frequency at or near 938 nm and radiation at a frequency at or near 1583 nm. The lasing system includes a fiber laser operating between 880 nm and 960 nm and a fiber laser operating between 1524 nm and 1650 nm. A frequency-conversion system mixes the radiation and generates light at a frequency at or near 589 nm. A system directs the light at a frequency at or near 589 nm toward the celestial object and provides synthetic guide star generation.

  3. Graph Generator Survey

    SciTech Connect (OSTI)

    Lothian, Josh [ORNL; Powers, Sarah S [ORNL; Sullivan, Blair D [ORNL; Baker, Matthew B [ORNL; Schrock, Jonathan [ORNL; Poole, Stephen W [ORNL

    2013-12-01T23:59:59.000Z

    The benchmarking effort within the Extreme Scale Systems Center at Oak Ridge National Laboratory seeks to provide High Performance Computing benchmarks and test suites of interest to the DoD sponsor. The work described in this report is a part of the effort focusing on graph generation. A previously developed benchmark, SystemBurn, allowed the emulation of dierent application behavior profiles within a single framework. To complement this effort, similar capabilities are desired for graph-centric problems. This report examines existing synthetic graph generator implementations in preparation for further study on the properties of their generated synthetic graphs.

  4. Setting a retail generation credit

    SciTech Connect (OSTI)

    Jacobs, J.M.

    1999-05-01T23:59:59.000Z

    While the additional cost components will vary depending on the way that the wholesale energy component is calculated, at minimum a generation credit should recognize the following costs: Additional value of shaping or load-following; Premia associated with the risks of serving retail load; Transmission costs incurred by competitive suppliers; Commercial costs; and Reasonable profits. In this article the author reviews the construction of a generation credit, starting with three different ways to compute the wholesale cost of electric energy--as a forecast, as a forward price, or from the spot market--and then moving to consideration of additional cost items. Throughout the authors attempts to estimate the costs an efficient competitor will incur in order to illustrate the difference between a retail generation credit and a wholesale price index.

  5. Generating electricity from viruses

    ScienceCinema (OSTI)

    Lee, Seung-Wuk

    2014-06-23T23:59:59.000Z

    Berkeley Lab's Seung-Wuk Lee discusses "Generating electricity from viruses" in this Oct. 28, 2013 talk, which is part of a Science at the Theater event entitled Eight Big Ideas.

  6. Vector generator scan converter

    DOE Patents [OSTI]

    Moore, James M. (Livermore, CA); Leighton, James F. (Livermore, CA)

    1990-01-01T23:59:59.000Z

    High printing speeds for graphics data are achieved with a laser printer by transmitting compressed graphics data from a main processor over an I/O (input/output) channel to a vector generator scan converter which reconstructs a full graphics image for input to the laser printer through a raster data input port. The vector generator scan converter includes a microprocessor with associated microcode memory containing a microcode instruction set, a working memory for storing compressed data, vector generator hardward for drawing a full graphic image from vector parameters calculated by the microprocessor, image buffer memory for storing the reconstructed graphics image and an output scanner for reading the graphics image data and inputting the data to the printer. The vector generator scan converter eliminates the bottleneck created by the I/O channel for transmitting graphics data from the main processor to the laser printer, and increases printer speed up to thirty fold.

  7. Vector generator scan converter

    DOE Patents [OSTI]

    Moore, J.M.; Leighton, J.F.

    1988-02-05T23:59:59.000Z

    High printing speeds for graphics data are achieved with a laser printer by transmitting compressed graphics data from a main processor over an I/O channel to a vector generator scan converter which reconstructs a full graphics image for input to the laser printer through a raster data input port. The vector generator scan converter includes a microprocessor with associated microcode memory containing a microcode instruction set, a working memory for storing compressed data, vector generator hardware for drawing a full graphic image from vector parameters calculated by the microprocessor, image buffer memory for storing the reconstructed graphics image and an output scanner for reading the graphics image data and inputting the data to the printer. The vector generator scan converter eliminates the bottleneck created by the I/O channel for transmitting graphics data from the main processor to the laser printer, and increases printer speed up to thirty fold. 7 figs.

  8. Energy and Mass Generation

    E-Print Network [OSTI]

    Burra G. Sidharth

    2010-03-11T23:59:59.000Z

    Modifications in the energy momentum dispersion laws due to a noncommutative geometry, have been considered in recent years. We examine the oscillations of extended objects in this perspective and find that there is now a "generation" of energy.

  9. Local entropy generation analysis

    SciTech Connect (OSTI)

    Drost, M.K.; White, M.D.

    1991-02-01T23:59:59.000Z

    Second law analysis techniques have been widely used to evaluate the sources of irreversibility in components and systems of components but the evaluation of local sources of irreversibility in thermal processes has received little attention. While analytical procedures for evaluating local entropy generation have been developed, applications have been limited to fluid flows with analytical solutions for the velocity and temperature fields. The analysis of local entropy generation can be used to evaluate more complicated flows by including entropy generation calculations in a computational fluid dynamics (CFD) code. The research documented in this report consists of incorporating local entropy generation calculations in an existing CFD code and then using the code to evaluate the distribution of thermodynamic losses in two applications: an impinging jet and a magnetic heat pump. 22 refs., 13 figs., 9 tabs.

  10. Generating electricity from viruses

    SciTech Connect (OSTI)

    Lee, Seung-Wuk

    2013-10-31T23:59:59.000Z

    Berkeley Lab's Seung-Wuk Lee discusses "Generating electricity from viruses" in this Oct. 28, 2013 talk, which is part of a Science at the Theater event entitled Eight Big Ideas.

  11. Monte Carlo event generators

    SciTech Connect (OSTI)

    Frixione, Stefano [INFN, Sezione di Genova, Via Dodecaneso 33, 16146 Genova (Italy)

    2005-10-06T23:59:59.000Z

    I review recent progress in the physics of parton shower Monte Carlos, emphasizing the ideas which allow the inclusion of higher-order matrix elements into the framework of event generators.

  12. Oscillating fluid power generator

    DOE Patents [OSTI]

    Morris, David C

    2014-02-25T23:59:59.000Z

    A system and method for harvesting the kinetic energy of a fluid flow for power generation with a vertically oriented, aerodynamic wing structure comprising one or more airfoil elements pivotably attached to a mast. When activated by the moving fluid stream, the wing structure oscillates back and forth, generating lift first in one direction then in the opposite direction. This oscillating movement is converted to unidirectional rotational movement in order to provide motive power to an electricity generator. Unlike other oscillating devices, this device is designed to harvest the maximum aerodynamic lift forces available for a given oscillation cycle. Because the system is not subjected to the same intense forces and stresses as turbine systems, it can be constructed less expensively, reducing the cost of electricity generation. The system can be grouped in more compact clusters, be less evident in the landscape, and present reduced risk to avian species.

  13. Superconducting thermoelectric generator

    DOE Patents [OSTI]

    Metzger, J.D.; El-Genk, M.S.

    1994-01-01T23:59:59.000Z

    Thermoelectricity is produced by applying a temperature differential to dissimilar electrically conducting or semiconducting materials, thereby producing a voltage that is proportional to the temperature difference. Thermoelectric generators use this effect to directly convert heat into electricity; however, presently-known generators have low efficiencies due to the production of high currents which in turn cause large resistive heating losses. Some thermoelectric generators operate at efficiencies between 4% and 7% in the 800{degrees} to 1200{degrees}C range. According to its major aspects and bradly stated, the present invention is an apparatus and method for producing electricity from heat. In particular, the invention is a thermoelectric generator that juxtaposes a superconducting material and a semiconducting material - so that the superconducting and the semiconducting materials touch - to convert heat energy into electrical energy without resistive losses in the temperature range below the critical temperature of the superconducting material. Preferably, an array of superconducting material is encased in one of several possible configurations within a second material having a high thermal conductivity, preferably a semiconductor, to form a thermoelectric generator.

  14. MHD Generating system

    DOE Patents [OSTI]

    Petrick, Michael (Joliet, IL); Pierson, Edward S. (Chicago, IL); Schreiner, Felix (Mokena, IL)

    1980-01-01T23:59:59.000Z

    According to the present invention, coal combustion gas is the primary working fluid and copper or a copper alloy is the electrodynamic fluid in the MHD generator, thereby eliminating the heat exchangers between the combustor and the liquid-metal MHD working fluids, allowing the use of a conventional coalfired steam bottoming plant, and making the plant simpler, more efficient and cheaper. In operation, the gas and liquid are combined in a mixer and the resulting two-phase mixture enters the MHD generator. The MHD generator acts as a turbine and electric generator in one unit wherein the gas expands, drives the liquid across the magnetic field and thus generates electrical power. The gas and liquid are separated, and the available energy in the gas is recovered before the gas is exhausted to the atmosphere. Where the combustion gas contains sulfur, oxygen is bubbled through a side loop to remove sulfur therefrom as a concentrated stream of sulfur dioxide. The combustor is operated substoichiometrically to control the oxide level in the copper.

  15. Using Backup Generators: Choosing the Right Backup Generator...

    Office of Environmental Management (EM)

    Choose the generator's fuel source-Backup generators are typically powered by either diesel fuel or natural gas, and both have associated advantages and disadvantages. Speak with...

  16. Thermoacoustic magnetohydrodynamic electrical generator

    DOE Patents [OSTI]

    Wheatley, J.C.; Swift, G.W.; Migliori, A.

    1984-11-16T23:59:59.000Z

    A thermoacoustic magnetohydrodynamic electrical generator includes an intrinsically irreversible thermoacoustic heat engine coupled to a magnetohydrodynamic electrical generator. The heat engine includes an electrically conductive liquid metal as the working fluid and includes two heat exchange and thermoacoustic structure assemblies which drive the liquid in a push-pull arrangement to cause the liquid metal to oscillate at a resonant acoustic frequency on the order of 1000 Hz. The engine is positioned in the field of a magnet and is oriented such that the liquid metal oscillates in a direction orthogonal to the field of the magnet, whereby an alternating electrical potential is generated in the liquid metal. Low-loss, low-inductance electrical conductors electrically connected to opposite sides of the liquid metal conduct an output signal to a transformer adapted to convert the low-voltage, high-current output signal to a more usable higher voltage, lower current signal.

  17. Spherical neutron generator

    DOE Patents [OSTI]

    Leung, Ka-Ngo

    2006-11-21T23:59:59.000Z

    A spherical neutron generator is formed with a small spherical target and a spherical shell RF-driven plasma ion source surrounding the target. A deuterium (or deuterium and tritium) ion plasma is produced by RF excitation in the plasma ion source using an RF antenna. The plasma generation region is a spherical shell between an outer chamber and an inner extraction electrode. A spherical neutron generating target is at the center of the chamber and is biased negatively with respect to the extraction electrode which contains many holes. Ions passing through the holes in the extraction electrode are focused onto the target which produces neutrons by D-D or D-T reactions.

  18. Thermoacoustic magnetohydrodynamic electrical generator

    DOE Patents [OSTI]

    Wheatley, John C. (Los Alamos, NM); Swift, Gregory W. (Los Alamos, NM); Migliori, Albert (Santa Fe, NM)

    1986-01-01T23:59:59.000Z

    A thermoacoustic magnetohydrodynamic electrical generator includes an intrinsically irreversible thermoacoustic heat engine coupled to a magnetohydrodynamic electrical generator. The heat engine includes an electrically conductive liquid metal as the working fluid and includes two heat exchange and thermoacoustic structure assemblies which drive the liquid in a push-pull arrangement to cause the liquid metal to oscillate at a resonant acoustic frequency on the order of 1,000 Hz. The engine is positioned in the field of a magnet and is oriented such that the liquid metal oscillates in a direction orthogonal to the field of the magnet, whereby an alternating electrical potential is generated in the liquid metal. Low-loss, low-inductance electrical conductors electrically connected to opposite sides of the liquid metal conduct an output signal to a transformer adapted to convert the low-voltage, high-current output signal to a more usable higher voltage, lower current signal.

  19. Hyperbolic Graph Generator

    E-Print Network [OSTI]

    Aldecoa, Rodrigo; Krioukov, Dmitri

    2015-01-01T23:59:59.000Z

    Networks representing many complex systems in nature and society share some common structural properties like heterogeneous degree distributions and strong clustering. Recent research on network geometry has shown that those real networks can be adequately modeled as random geometric graphs in hyperbolic spaces. In this paper, we present a computer program to generate such graphs. Besides real-world-like networks, the program can generate random graphs from other well-known graph ensembles, such as the soft configuration model, random geometric graphs on a circle, or Erd\\H{o}s-R\\'enyi random graphs. The simulations show a good match between the expected values of different network structural properties and the corresponding empirical values measured in generated graphs, confirming the accurate behavior of the program.

  20. The Generation Effect and Memory

    E-Print Network [OSTI]

    Rosner, Zachary Alexander

    2012-01-01T23:59:59.000Z

    M. A. (2007). The generation effect: A meta- analyticBjork, R. A. (1988). The generation effect: Support for aE. J. (2012). The next generation: The value of reminding.

  1. Options for Generating Steam Efficiently

    E-Print Network [OSTI]

    Ganapathy, V.

    This paper describes how plant engineers can efficiently generate steam when there are steam generators and Heat Recovery Steam Generators in their plant. The process consists of understanding the performance characteristics of the various equipment...

  2. Nuclear Power Generating Facilities (Maine)

    Broader source: Energy.gov [DOE]

    The first subchapter of the statute concerning Nuclear Power Generating Facilities provides for direct citizen participation in the decision to construct any nuclear power generating facility in...

  3. Next-Generation Photovoltaic Technologies

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

    Next-Generation Photovoltaic Technologies Next-Generation Photovoltaic Technologies Print Monday, 06 February 2012 15:48 Organic solar cells based on the polymerfullerene bulk...

  4. Generating Resources Advisory Committee

    E-Print Network [OSTI]

    Generating Resources Advisory Committee May 28, 2014 Steve Simmons Gillian Charles #12;2 9:30 AM plants 10:45 AM Break 11:00 AM Peaking Technologies Continued... 11:30 AM Combined Cycle Combustion Turbine and Utility Scale Solar PV Reference plant updates Levelized cost of energy 12:00 PM Lunch

  5. Generating Resources Advisory Committee

    E-Print Network [OSTI]

    Generating Resources Advisory Committee February 27, 2014 Steven Simmons and Gillian Charles Upcoming Symposium 9:15 am Natural Gas Peaking Technologies Technology Trends Proposed reference plant Costing, Economies of Scale, Normalizations Reference Plants 12:30 pm Discussion of Next GRAC Meetings

  6. New wave generation

    E-Print Network [OSTI]

    Mercier, Matthieu J; Mathur, Manikandan; Gostiaux, Louis; Peacock, Thomas; Dauxois, Thierry

    2015-01-01T23:59:59.000Z

    We present the results of a combined experimental and numerical study of the generation of internal waves using the novel internal wave generator design of Gostiaux et al. (2007). This mechanism, which involves a tunable source comprised of oscillating plates, has so far been used for a few fundamental studies of internal waves, but its full potential has yet to be realized. Our studies reveal that this approach is capable of producing a wide variety of two-dimensional wave fields, including plane waves, wave beams and discrete vertical modes in finite-depth stratifications. The effects of discretization by a finite number of plates, forcing amplitude and angle of propagation are investigated, and it is found that the method is remarkably efficient at generating a complete wave field despite forcing only one velocity component in a controllable manner. We furthermore find that the nature of the radiated wave field is well predicted using Fourier transforms of the spatial structure of the wave generator.

  7. CONSULTANT REPORT DISTRIBUTED GENERATION

    E-Print Network [OSTI]

    an independent cost analysis to interconnect and integrate increased penetration levels of renewable distributed costs. The Energy Commission considers this study a first step toward the 2012 Integrated Energy Policy Generation Integration Cost Study: Analytical Framework. California Energy Commission. CEC2002013007. i

  8. Energy generation in stars

    E-Print Network [OSTI]

    B. V. Vasiliev

    2001-10-29T23:59:59.000Z

    It is a current opinion that thermonuclear fusion is the main source of the star activity. It is shown below that this source is not unique. There is another electrostatic mechanism of the energy generation which accompanies thermonuclear fusion. Probably, this approach can solve the solar neutrino problem.

  9. GASIFICATION FOR DISTRIBUTED GENERATION

    SciTech Connect (OSTI)

    Ronald C. Timpe; Michael D. Mann; Darren D. Schmidt

    2000-05-01T23:59:59.000Z

    A recent emphasis in gasification technology development has been directed toward reduced-scale gasifier systems for distributed generation at remote sites. The domestic distributed power generation market over the next decade is expected to be 5-6 gigawatts per year. The global increase is expected at 20 gigawatts over the next decade. The economics of gasification for distributed power generation are significantly improved when fuel transport is minimized. Until recently, gasification technology has been synonymous with coal conversion. Presently, however, interest centers on providing clean-burning fuel to remote sites that are not necessarily near coal supplies but have sufficient alternative carbonaceous material to feed a small gasifier. Gasifiers up to 50 MW are of current interest, with emphasis on those of 5-MW generating capacity. Internal combustion engines offer a more robust system for utilizing the fuel gas, while fuel cells and microturbines offer higher electric conversion efficiencies. The initial focus of this multiyear effort was on internal combustion engines and microturbines as more realistic near-term options for distributed generation. In this project, we studied emerging gasification technologies that can provide gas from regionally available feedstock as fuel to power generators under 30 MW in a distributed generation setting. Larger-scale gasification, primarily coal-fed, has been used commercially for more than 50 years to produce clean synthesis gas for the refining, chemical, and power industries. Commercial-scale gasification activities are under way at 113 sites in 22 countries in North and South America, Europe, Asia, Africa, and Australia, according to the Gasification Technologies Council. Gasification studies were carried out on alfalfa, black liquor (a high-sodium waste from the pulp industry), cow manure, and willow on the laboratory scale and on alfalfa, black liquor, and willow on the bench scale. Initial parametric tests evaluated through reactivity and product composition were carried out on thermogravimetric analysis (TGA) equipment. These tests were evaluated and then followed by bench-scale studies at 1123 K using an integrated bench-scale fluidized-bed gasifier (IBG) which can be operated in the semicontinuous batch mode. Products from tests were solid (ash), liquid (tar), and gas. Tar was separated on an open chromatographic column. Analysis of the gas product was carried out using on-line Fourier transform infrared spectroscopy (FT-IR). For selected tests, gas was collected periodically and analyzed using a refinery gas analyzer GC (gas chromatograph). The solid product was not extensively analyzed. This report is a part of a search into emerging gasification technologies that can provide power under 30 MW in a distributed generation setting. Larger-scale gasification has been used commercially for more than 50 years to produce clean synthesis gas for the refining, chemical, and power industries, and it is probable that scaled-down applications for use in remote areas will become viable. The appendix to this report contains a list, description, and sources of currently available gasification technologies that could be or are being commercially applied for distributed generation. This list was gathered from current sources and provides information about the supplier, the relative size range, and the status of the technology.

  10. Fuel cell generator energy dissipator

    DOE Patents [OSTI]

    Veyo, Stephen Emery (Murrysville, PA); Dederer, Jeffrey Todd (Valencia, PA); Gordon, John Thomas (Ambridge, PA); Shockling, Larry Anthony (Pittsburgh, PA)

    2000-01-01T23:59:59.000Z

    An apparatus and method are disclosed for eliminating the chemical energy of fuel remaining in a fuel cell generator when the electrical power output of the fuel cell generator is terminated. During a generator shut down condition, electrically resistive elements are automatically connected across the fuel cell generator terminals in order to draw current, thereby depleting the fuel

  11. Energy Replacement Generation Tax Exemption

    Broader source: Energy.gov [DOE]

    Under the Energy Replacement Generation Tax Exemption, the following facilities are exempt from the replacement tax:

  12. Generation of energy

    DOE Patents [OSTI]

    Kalina, Alexander I. (12214 Clear Fork, Houston, TX 77077)

    1984-01-01T23:59:59.000Z

    A method of generating energy which comprises utilizing relatively lower temperature available heat to effect partial distillation of at least portion of a multicomponent working fluid stream at an intermediate pressure to generate working fluid fractions of differing compositions. The fractions are used to produce at least one main rich solution which is relatively enriched with respect to the lower boiling component, and to produce at least one lean solution which is relatively improverished with respect to the lower boiling component. The pressure of the main rich solution is increased whereafter it is evaporated to produce a charged gaseous main working fluid. The main working fluid is expanded to a low pressure level to release energy. The spent low pressure level working fluid is condensed in a main absorption stage by dissolving with cooling in the lean solution to regenerate an initial working fluid for reuse.

  13. Calibrated vapor generator source

    DOE Patents [OSTI]

    Davies, J.P.; Larson, R.A.; Goodrich, L.D.; Hall, H.J.; Stoddard, B.D.; Davis, S.G.; Kaser, T.G.; Conrad, F.J.

    1995-09-26T23:59:59.000Z

    A portable vapor generator is disclosed that can provide a controlled source of chemical vapors, such as, narcotic or explosive vapors. This source can be used to test and calibrate various types of vapor detection systems by providing a known amount of vapors to the system. The vapor generator is calibrated using a reference ion mobility spectrometer. A method of providing this vapor is described, as follows: explosive or narcotic is deposited on quartz wool, placed in a chamber that can be heated or cooled (depending on the vapor pressure of the material) to control the concentration of vapors in the reservoir. A controlled flow of air is pulsed over the quartz wool releasing a preset quantity of vapors at the outlet. 10 figs.

  14. Calibrated vapor generator source

    DOE Patents [OSTI]

    Davies, John P. (Idaho Falls, ID); Larson, Ronald A. (Idaho Falls, ID); Goodrich, Lorenzo D. (Shelley, ID); Hall, Harold J. (Idaho Falls, ID); Stoddard, Billy D. (Idaho Falls, ID); Davis, Sean G. (Idaho Falls, ID); Kaser, Timothy G. (Idaho Falls, ID); Conrad, Frank J. (Albuquerque, NM)

    1995-01-01T23:59:59.000Z

    A portable vapor generator is disclosed that can provide a controlled source of chemical vapors, such as, narcotic or explosive vapors. This source can be used to test and calibrate various types of vapor detection systems by providing a known amount of vapors to the system. The vapor generator is calibrated using a reference ion mobility spectrometer. A method of providing this vapor is described, as follows: explosive or narcotic is deposited on quartz wool, placed in a chamber that can be heated or cooled (depending on the vapor pressure of the material) to control the concentration of vapors in the reservoir. A controlled flow of air is pulsed over the quartz wool releasing a preset quantity of vapors at the outlet.

  15. Ion beam generating apparatus

    DOE Patents [OSTI]

    Brown, Ian G. (1088 Woodside Rd., Berkeley, CA 94708); Galvin, James (2 Commodore #276, Emeryville, CA 94608)

    1987-01-01T23:59:59.000Z

    An ion generating apparatus utilizing a vacuum chamber, a cathode and an anode in the chamber. A source of electrical power produces an arc or discharge between the cathode and anode. The arc is sufficient to vaporize a portion of the cathode to form a plasma. The plasma is directed to an extractor which separates the electrons from the plasma, and accelerates the ions to produce an ion beam.

  16. Ion beam generating apparatus

    DOE Patents [OSTI]

    Brown, I.G.; Galvin, J.

    1987-12-22T23:59:59.000Z

    An ion generating apparatus utilizing a vacuum chamber, a cathode and an anode in the chamber. A source of electrical power produces an arc or discharge between the cathode and anode. The arc is sufficient to vaporize a portion of the cathode to form a plasma. The plasma is directed to an extractor which separates the electrons from the plasma, and accelerates the ions to produce an ion beam. 10 figs.

  17. High power microwave generator

    DOE Patents [OSTI]

    Ekdahl, C.A.

    1983-12-29T23:59:59.000Z

    A microwave generator efficiently converts the energy of an intense relativistic electron beam (REB) into a high-power microwave emission using the Smith-Purcell effect which is related to Cerenkov radiation. Feedback for efficient beam bunching and high gain is obtained by placing a cylindrical Smith-Purcell transmission grating on the axis of a toroidal resonator. High efficiency results from the use of a thin cold annular highly-magnetized REB that is closely coupled to the resonant structure.

  18. Optical harmonic generator

    DOE Patents [OSTI]

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

    1985-01-01T23:59:59.000Z

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

  19. Optical harmonic generator

    DOE Patents [OSTI]

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

    1982-06-10T23:59:59.000Z

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

  20. Linguistic Alignment in Natural Language Generation

    E-Print Network [OSTI]

    Halberg, Gabrielle Manya

    2013-01-01T23:59:59.000Z

    that are instantiated at generation time. . . . . . . . .that are instantiated at generation time. . Illustration ofin Natural Language Generation by Gabrielle Halberg

  1. Renewable Energy: Distributed Generation Policies and Programs...

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

    Energy Policies & Programs Renewable Energy: Distributed Generation Policies and Programs Renewable Energy: Distributed Generation Policies and Programs Distributed generation...

  2. Sandia's research spans generation, storage, and load management at

    E-Print Network [OSTI]

    kW diesel genset, fuel cells, and additional interchangeable generators. Storage capabilitiesSandia's research spans generation, storage, and load management at the component and systems participate in the generation of industry guidelines, protocols, electric codes, and national

  3. Computer generated holographic microtags

    DOE Patents [OSTI]

    Sweatt, W.C.

    1998-03-17T23:59:59.000Z

    A microlithographic tag comprising an array of individual computer generated holographic patches having feature sizes between 250 and 75 nanometers is disclosed. The tag is a composite hologram made up of the individual holographic patches and contains identifying information when read out with a laser of the proper wavelength and at the proper angles of probing and reading. The patches are fabricated in a steep angle Littrow readout geometry to maximize returns in the -1 diffracted order. The tags are useful as anti-counterfeiting markers because of the extreme difficulty in reproducing them. 5 figs.

  4. Spin Seebeck power generators

    SciTech Connect (OSTI)

    Cahaya, Adam B.; Tretiakov, O. A. [Institute for Materials Research, Tohoku University, Sendai 980-8577 (Japan); Bauer, Gerrit E. W. [Institute for Materials Research and WPI-AIMR, Tohoku University, Sendai 980-8577 (Japan); Kavli Institute of NanoScience, TU Delft Lorentzweg 1, 2628 CJ Delft (Netherlands)

    2014-01-27T23:59:59.000Z

    We derive expressions for the efficiency and figure of merit of two spin caloritronic devices based on the spin Seebeck effect (SSE), i.e., the generation of spin currents by a temperature gradient. The inverse spin Hall effect is conventionally used to detect the SSE and offers advantages for large area applications. We also propose a device that converts spin current into electric one by means of a spin-valve detector, which scales favorably to small sizes and approaches a figure of merit of 0.5 at room temperature.

  5. Highly stable aerosol generator

    DOE Patents [OSTI]

    DeFord, H.S.; Clark, M.L.

    1981-11-03T23:59:59.000Z

    An improved compressed air nebulizer has been developed such that a uniform aerosol particle size and concentration may be produced over long time periods. This result is achieved by applying a vacuum pressure to the makeup assembly and by use of a vent tube between the atmosphere and the makeup solution. By applying appropriate vacuum pressures to the makeup solution container and by proper positioning of the vent tube, a constant level of aspirating solution may be maintained within the aspirating assembly with aspirating solution continuously replaced from the makeup solution supply. This device may also be adapted to have a plurality of aerosol generators and only one central makeup assembly. 2 figs.

  6. Hermetic turbine generator

    DOE Patents [OSTI]

    Meacher, John S. (Ballston Lake, NY); Ruscitto, David E. (Ballston Spa, NY)

    1982-01-01T23:59:59.000Z

    A Rankine cycle turbine drives an electric generator and a feed pump, all on a single shaft, and all enclosed within a hermetically sealed case. The shaft is vertically oriented with the turbine exhaust directed downward and the shaft is supported on hydrodynamic fluid film bearings using the process fluid as lubricant and coolant. The selection of process fluid, type of turbine, operating speed, system power rating, and cycle state points are uniquely coordinated to achieve high turbine efficiency at the temperature levels imposed by the recovery of waste heat from the more prevalent industrial processes.

  7. Energy Generation by State and Technology (2009) - Energy Generation...

    Open Energy Info (EERE)

    Energy Generation by Fuel ... Download Energy Generation by Fuel Source and State, 2009 URL: http:en.openei.orgdatasetsdataset03f65dc9-ddc9-41ce-806f-edafad486a1fresource...

  8. Coiled transmission line pulse generators

    DOE Patents [OSTI]

    McDonald, Kenneth Fox (Columbia, MO)

    2010-11-09T23:59:59.000Z

    Methods and apparatus are provided for fabricating and constructing solid dielectric "Coiled Transmission Line" pulse generators in radial or axial coiled geometries. The pour and cure fabrication process enables a wide variety of geometries and form factors. The volume between the conductors is filled with liquid blends of monomers, polymers, oligomers, and/or cross-linkers and dielectric powders; and then cured to form high field strength and high dielectric constant solid dielectric transmission lines that intrinsically produce ideal rectangular high voltage pulses when charged and switched into matched impedance loads. Voltage levels may be increased by Marx and/or Blumlein principles incorporating spark gap or, preferentially, solid state switches (such as optically triggered thyristors) which produce reliable, high repetition rate operation. Moreover, these Marxed pulse generators can be DC charged and do not require additional pulse forming circuitry, pulse forming lines, transformers, or an a high voltage spark gap output switch. The apparatus accommodates a wide range of voltages, impedances, pulse durations, pulse repetition rates, and duty cycles. The resulting mobile or flight platform friendly cylindrical geometric configuration is much more compact, light-weight, and robust than conventional linear geometries, or pulse generators constructed from conventional components. Installing additional circuitry may accommodate optional pulse shape improvements. The Coiled Transmission Lines can also be connected in parallel to decrease the impedance, or in series to increase the pulse length.

  9. Energy Generation Project Permitting (Vermont)

    Broader source: Energy.gov [DOE]

    The Vermont Energy Generation Siting Policy Commission is mandated to survey best practices for siting approval of electric generation projects (all facilities except for net- and group-net-metered...

  10. Biofuels: Microbially Generated Methane and

    E-Print Network [OSTI]

    Wood, Thomas K.

    Biofuels: Microbially Generated Methane and Hydrogen Michael J McAnulty, Pennsylvania State, Thomas K; and Ferry, James G (March 2013) Biofuels: Microbially Generated Methane and Hydrogen. In: e

  11. Transition-fault test generation

    E-Print Network [OSTI]

    Cobb, Bradley Douglas

    2013-02-22T23:59:59.000Z

    . One way to detect these timing defects is to apply test patterns to the integrated circuit that are generated using the transition-fault model. Unfortunately, industry's current transition-fault test generation schemes produce test sets that are too...

  12. Steam generator tube rupture study

    E-Print Network [OSTI]

    Free, Scott Thomas

    1986-01-01T23:59:59.000Z

    This report describes our investigation of steam generator behavior during a postulated tube rupture accident. Our study was performed using the steam generator, thermal-hydraulic analysis code THERMIT-UTSG. The purpose ...

  13. Self-assembling software generator

    DOE Patents [OSTI]

    Bouchard, Ann M. (Albuquerque, NM); Osbourn, Gordon C. (Albuquerque, NM)

    2011-11-25T23:59:59.000Z

    A technique to generate an executable task includes inspecting a task specification data structure to determine what software entities are to be generated to create the executable task, inspecting the task specification data structure to determine how the software entities will be linked after generating the software entities, inspecting the task specification data structure to determine logic to be executed by the software entities, and generating the software entities to create the executable task.

  14. Thermoacoustic generation in anisotropic media

    E-Print Network [OSTI]

    Hildebrand, John A

    1986-01-01T23:59:59.000Z

    John Hildebrand: A. Thermoacoustic generation anisotropicsubstantial variation thermoacoustic in gen- erationisstress-strain relationfor thermoacoustic genera- tion and,if

  15. GENERATING EQUIVALENCE RELATIONS BY HOMEOMORPHISMS

    E-Print Network [OSTI]

    Clemens, John D.

    GENERATING EQUIVALENCE RELATIONS BY HOMEOMORPHISMS JOHN D. CLEMENS Abstract. We give a construction of a single homeomorphism of 2N which generates the equivalence relation E0. We then consider ways of generating this equivalence relation using homeomorphisms with nicer structural properties, and show

  16. Generation of strongly chaotic beats

    E-Print Network [OSTI]

    I. Sliwa; P. Szlachetka; K. Grygiel

    2007-04-25T23:59:59.000Z

    The letter proposes a procedure for generation of strongly chaotic beats that have been hardly obtainable hitherto. The beats are generated in a nonlinear optical system governing second-harmonic generation of light. The proposition is based on the concept of an optical coupler but can be easily adopted to other nonlinear systems and Chua's circuits.

  17. Electricity Generation by Rhodopseudomonas palustris

    E-Print Network [OSTI]

    ,6). Shewanella oneidensis MR-1 and Geobacter sulfurreducens PCA are two DMRB capable of electricity generationElectricity Generation by Rhodopseudomonas palustris DX-1 D E F E N G X I N G , , Y I Z U O manuscript received March 20, 2008. Accepted March 25, 2008. Bacteria able to generate electricity

  18. ransmission, rather than generation, is

    E-Print Network [OSTI]

    to expand transmission capacity adequately: Over 40 years, the amount of electricity generated in the United's power plants to its customers. It was never designed for getting power from any generator to anyT ransmission, rather than generation, is generally the con- straint preventing cus- tomers from

  19. Generational Policy Laurence J. Kotlikoff

    E-Print Network [OSTI]

    Spence, Harlan Ernest

    Generational Policy by Laurence J. Kotlikoff Boston University The National Bureau of Economic;1 Abstract Generational policy is a fundamental aspect of a nation's fiscal affairs. The policy involves generational policy works, how it's measured, and how much it matters to virtual as well as real economies

  20. Second Harmonic Generation From Surfaces

    E-Print Network [OSTI]

    Botti, Silvana

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

  1. Tailpulse signal generator

    DOE Patents [OSTI]

    Baker, John (Walnut Creek, CA); Archer, Daniel E. (Knoxville, TN); Luke, Stanley John (Pleasanton, CA); Decman, Daniel J. (Livermore, CA); White, Gregory K. (Livermore, CA)

    2009-06-23T23:59:59.000Z

    A tailpulse signal generating/simulating apparatus, system, and method designed to produce electronic pulses which simulate tailpulses produced by a gamma radiation detector, including the pileup effect caused by the characteristic exponential decay of the detector pulses, and the random Poisson distribution pulse timing for radioactive materials. A digital signal process (DSP) is programmed and configured to produce digital values corresponding to pseudo-randomly selected pulse amplitudes and pseudo-randomly selected Poisson timing intervals of the tailpulses. Pulse amplitude values are exponentially decayed while outputting the digital value to a digital to analog converter (DAC). And pulse amplitudes of new pulses are added to decaying pulses to simulate the pileup effect for enhanced realism in the simulation.

  2. Superconducting thermoelectric generator

    DOE Patents [OSTI]

    Metzger, J.D.; El-Genk, M.S.

    1998-05-05T23:59:59.000Z

    An apparatus and method for producing electricity from heat is disclosed. The present invention is a thermoelectric generator that uses materials with substantially no electrical resistance, often called superconductors, to efficiently convert heat into electrical energy without resistive losses. Preferably, an array of superconducting elements is encased within a second material with a high thermal conductivity. The second material is preferably a semiconductor. Alternatively, the superconducting material can be doped on a base semiconducting material, or the superconducting material and the semiconducting material can exist as alternating, interleaved layers of waferlike materials. A temperature gradient imposed across the boundary of the two materials establishes an electrical potential related to the magnitude of the temperature gradient. The superconducting material carries the resulting electrical current at zero resistivity, thereby eliminating resistive losses. The elimination of resistive losses significantly increases the conversion efficiency of the thermoelectric device. 4 figs.

  3. Superconducting thermoelectric generator

    DOE Patents [OSTI]

    Metzger, John D. (Eaton's Neck, NY); El-Genk, Mohamed S. (Albuquerque, NM)

    1998-01-01T23:59:59.000Z

    An apparatus and method for producing electricity from heat. The present invention is a thermoelectric generator that uses materials with substantially no electrical resistance, often called superconductors, to efficiently convert heat into electrical energy without resistive losses. Preferably, an array of superconducting elements is encased within a second material with a high thermal conductivity. The second material is preferably a semiconductor. Alternatively, the superconducting material can be doped on a base semiconducting material, or the superconducting material and the semiconducting material can exist as alternating, interleaved layers of waferlike materials. A temperature gradient imposed across the boundary of the two materials establishes an electrical potential related to the magnitude of the temperature gradient. The superconducting material carries the resulting electrical current at zero resistivity, thereby eliminating resistive losses. The elimination of resistive losses significantly increases the conversion efficiency of the thermoelectric device.

  4. Superconducting thermoelectric generator

    DOE Patents [OSTI]

    Metzger, J.D.; El-Genk, M.S.

    1996-01-01T23:59:59.000Z

    An apparatus and method for producing electricity from heat. The present invention is a thermoelectric generator that uses materials with substantially no electrical resistance, often called superconductors, to efficiently convert heat into electrical energy without resistive losses. Preferably, an array of superconducting elements is encased within a second material with a high thermal conductivity. The second material is preferably a semiconductor. Alternatively, the superconducting material can be doped on a base semiconducting material, or the superconducting material and the semiconducting material can exist as alternating, interleaved layers of waferlike materials. A temperature gradient imposed across the boundary of the two materials establishes an electrical potential related to the magnitude of the temperature gradient. The superconducting material carries the resulting electrical current at zero resistivity, thereby eliminating resistive losses. The elimination of resistive losses significantly increases the conversion efficiency of the thermoelectric device.

  5. Stratified vapor generator

    DOE Patents [OSTI]

    Bharathan, Desikan (Lakewood, CO); Hassani, Vahab (Golden, CO)

    2008-05-20T23:59:59.000Z

    A stratified vapor generator (110) comprises a first heating section (H.sub.1) and a second heating section (H.sub.2). The first and second heating sections (H.sub.1, H.sub.2) are arranged so that the inlet of the second heating section (H.sub.2) is operatively associated with the outlet of the first heating section (H.sub.1). A moisture separator (126) having a vapor outlet (164) and a liquid outlet (144) is operatively associated with the outlet (124) of the second heating section (H.sub.2). A cooling section (C.sub.1) is operatively associated with the liquid outlet (144) of the moisture separator (126) and includes an outlet that is operatively associated with the inlet of the second heating section (H.sub.2).

  6. Downhole hydraulic seismic generator

    DOE Patents [OSTI]

    Gregory, Danny L. (Corrales, NM); Hardee, Harry C. (Albuquerque, NM); Smallwood, David O. (Albuquerque, NM)

    1992-01-01T23:59:59.000Z

    A downhole hydraulic seismic generator system for transmitting energy wave vibrations into earth strata surrounding a borehole. The system contains an elongated, unitary housing operably connected to a well head aboveground by support and electrical cabling, and contains clamping apparatus for selectively clamping the housing to the walls of the borehole. The system further comprises a hydraulic oscillator containing a double-actuating piston whose movement is controlled by an electro-servovalve regulating a high pressure hydraulic fluid flow into and out of upper and lower chambers surrounding the piston. The spent hydraulic fluid from the hydraulic oscillator is stored and pumped back into the system to provide high pressure fluid for conducting another run at the same, or a different location within the borehole.

  7. MHD Generation Code

    E-Print Network [OSTI]

    Frutos-Alfaro, Francisco

    2015-01-01T23:59:59.000Z

    A program to generate codes in Fortran and C of the full Magnetohydrodynamic equations is shown. The program used the free computer algebra system software REDUCE. This software has a package called EXCALC, which is an exterior calculus program. The advantage of this program is that it can be modified to include another complex metric or spacetime. The output of this program is modified by means of a LINUX script which creates a new REDUCE program to manipulate the MHD equations to obtain a code that can be used as a seed for a MHD code for numerical applications. As an example, we present part of output of our programs for Cartesian coordinates and how to do the discretization.

  8. Fourth Generation Parity

    SciTech Connect (OSTI)

    Lee, Hye-Sung [William and Mary College, BNL, JLAB; Soni, Amarjit [William and Mary College

    2013-01-01T23:59:59.000Z

    We present a very simple 4th-generation (4G) model with an Abelian gauge interaction under which only the 4G fermions have nonzero charge. The U(1) gauge symmetry can have a Z_2 residual discrete symmetry (4G-parity), which can stabilize the lightest 4G particle (L4P). When the 4G neutrino is the L4P, it would be a neutral and stable particle and the other 4G fermions would decay into the L4P leaving the trace of missing energy plus the standard model fermions. Because of the new symmetry, the 4G particle creation and decay modes are different from those of the sequential 4G model, and the 4G particles can be appreciably lighter than typical experimental bounds.

  9. Theoretical efficiency of solar thermoelectric energy generators

    E-Print Network [OSTI]

    Chen, Gang

    This paper investigates the theoretical efficiency of solar thermoelectric generators (STEGs). A model is established including thermal concentration in addition to optical concentration. Based on the model, the maximum ...

  10. Unobtrusive Integration of Magnetic Generator Systems into Common Footwear

    E-Print Network [OSTI]

    or exceeded with the addition of a flywheel to each generator shaft, or a spring to store more energy from

  11. Power and Frequency Control as it Relates to Wind-Powered Generation

    E-Print Network [OSTI]

    Lacommare, Kristina S H

    2011-01-01T23:59:59.000Z

    scale additions of wind generation. The objectives of thisof large amounts of wind generation confronts the grid withhave been important as wind generation has gone from being a

  12. GEOTHERMAL POWER GENERATION PLANT

    SciTech Connect (OSTI)

    Boyd, Tonya

    2013-12-01T23:59:59.000Z

    Oregon Institute of Technology (OIT) drilled a deep geothermal well on campus (to 5,300 feet deep) which produced 196oF resource as part of the 2008 OIT Congressionally Directed Project. OIT will construct a geothermal power plant (estimated at 1.75 MWe gross output). The plant would provide 50 to 75 percent of the electricity demand on campus. Technical support for construction and operations will be provided by OIT’s Geo-Heat Center. The power plant will be housed adjacent to the existing heat exchange building on the south east corner of campus near the existing geothermal production wells used for heating campus. Cooling water will be supplied from the nearby cold water wells to a cooling tower or air cooling may be used, depending upon the type of plant selected. Using the flow obtained from the deep well, not only can energy be generated from the power plant, but the “waste” water will also be used to supplement space heating on campus. A pipeline will be construction from the well to the heat exchanger building, and then a discharge line will be construction around the east and north side of campus for anticipated use of the “waste” water by facilities in an adjacent sustainable energy park. An injection well will need to be drilled to handle the flow, as the campus existing injection wells are limited in capacity.

  13. Stochastic Generator of Chemical Structure. 3. Reaction Network Generation

    SciTech Connect (OSTI)

    FAULON,JEAN-LOUP; SAULT,ALLEN G.

    2000-07-15T23:59:59.000Z

    A new method to generate chemical reaction network is proposed. The particularity of the method is that network generation and mechanism reduction are performed simultaneously using sampling techniques. Our method is tested for hydrocarbon thermal cracking. Results and theoretical arguments demonstrate that our method scales in polynomial time while other deterministic network generator scale in exponential time. This finding offers the possibility to investigate complex reacting systems such as those studied in petroleum refining and combustion.

  14. NEXT GENERATION TURBINE PROGRAM

    SciTech Connect (OSTI)

    William H. Day

    2002-05-03T23:59:59.000Z

    The Next Generation Turbine (NGT) Program's technological development focused on a study of the feasibility of turbine systems greater than 30 MW that offer improvement over the 1999 state-of-the-art systems. This program targeted goals of 50 percent turndown ratios, 15 percent reduction in generation cost/kW hour, improved service life, reduced emissions, 400 starts/year with 10 minutes to full load, and multiple fuel usage. Improvement in reliability, availability, and maintainability (RAM), while reducing operations, maintenance, and capital costs by 15 percent, was pursued. This program builds on the extensive low emissions stationary gas turbine work being carried out by Pratt & Whitney (P&W) for P&W Power Systems (PWPS), which is a company under the auspices of the United Technologies Corporation (UTC). This study was part of the overall Department of Energy (DOE) NGT Program that extends out to the year 2008. A follow-on plan for further full-scale component hardware testing is conceptualized for years 2002 through 2008 to insure a smooth and efficient transition to the marketplace for advanced turbine design and cycle technology. This program teamed the National Energy Technology Laboratory (NETL), P&W, United Technologies Research Center (UTRC), kraftWork Systems Inc., a subcontractor on-site at UTRC, and Multiphase Power and Processing Technologies (MPPT), an off-site subcontractor. Under the auspices of the NGT Program, a series of analyses were performed to identify the NGT engine system's ability to serve multiple uses. The majority were in conjunction with a coal-fired plant, or used coal as the system fuel. Identified also was the ability of the NGT system to serve as the basis of an advanced performance cycle: the humid air turbine (HAT) cycle. The HAT cycle is also used with coal gasification in an integrated cycle HAT (IGHAT). The NGT systems identified were: (1) Feedwater heating retrofit to an existing coal-fired steam plant, which could supply both heat and peaking power (Block 2 engine); (2) Repowering of an older coal-fired plant (Block 2 engine); (3) Gas-fired HAT cycle (Block 1 and 2 engines); (4) Integrated gasification HAT (Block 1 and 2 engines). Also under Phase I of the NGT Program, a conceptual design of the combustion system has been completed. An integrated approach to cycle optimization for improved combustor turndown capability has been employed. The configuration selected has the potential for achieving single digit NO{sub x}/CO emissions between 40 percent and 100 percent load conditions. A technology maturation plan for the combustion system has been proposed. Also, as a result of Phase I, ceramic vane technology will be incorporated into NGT designs and will require less cooling flow than conventional metallic vanes, thereby improving engine efficiency. A common 50 Hz and 60 Hz power turbine was selected due to the cost savings from eliminating a gearbox. A list of ceramic vane technologies has been identified for which the funding comes from DOE, NASA, the U.S. Air Force, and P&W.

  15. Next generation information systems

    SciTech Connect (OSTI)

    Limback, Nathan P [Los Alamos National Laboratory; Medina, Melanie A [Los Alamos National Laboratory; Silva, Michelle E [Los Alamos National Laboratory

    2010-01-01T23:59:59.000Z

    The Information Systems Analysis and Development (ISAD) Team of the Safeguards Systems Group at Los Alamos National Laboratory (LANL) has been developing web based information and knowledge management systems for sixteen years. Our vision is to rapidly and cost effectively provide knowledge management solutions in the form of interactive information systems that help customers organize, archive, post and retrieve nonproliferation and safeguards knowledge and information vital to their success. The team has developed several comprehensive information systems that assist users in the betterment and growth of their organizations and programs. Through our information systems, users are able to streamline operations, increase productivity, and share and access information from diverse geographic locations. The ISAD team is also producing interactive visual models. Interactive visual models provide many benefits to customers beyond the scope of traditional full-scale modeling. We have the ability to simulate a vision that a customer may propose, without the time constraints of traditional engineering modeling tools. Our interactive visual models can be used to access specialized training areas, controlled areas, and highly radioactive areas, as well as review site-specific training for complex facilities, and asset management. Like the information systems that the ISAD team develops, these models can be shared and accessed from any location with access to the internet. The purpose of this paper is to elaborate on the capabilities of information systems and interactive visual models as well as consider the possibility of combining the two capabilities to provide the next generation of infonnation systems. The collection, processing, and integration of data in new ways can contribute to the security of the nation by providing indicators and information for timely action to decrease the traditional and new nuclear threats. Modeling and simulation tied to comprehensive databases are progressions of the tools that can be used in new ways and further developed to enhance the mission of nonproliferation and threat reduction.

  16. Email To Friend Steam Electricity Generator

    E-Print Network [OSTI]

    . keymanengravables.com Steam Turbine Generator Info, Pictures And Deals For Steam turbine generator ediscountshoppingBack One Email To Friend Steam Electricity Generator Need Steam Electricity Generator? See Steam Electricity Generator. greenshieldsindustrial.com Steam Generators Deals on Steam Generators Find what you

  17. Anticipatory control of turbine generators

    E-Print Network [OSTI]

    Messec, Freddie Laurel

    1971-01-01T23:59:59.000Z

    of Turbine Generators. (Nay 1971) Freddie Laurel Nessec, B. S. E. E, , Texas Tech University; Directed by: Professor J. S . Denison An investigation is made of the use of predicted loads in controlling turbine generators. A perturbation model of a turbine... 3. Relational diagram of a turbine generator. Speed governor system. Static speed-load characteristic of a speed governor system. Block diagram of model. Frequency response to step load change. Block diagram of model with integral control...

  18. Natural fourth generation of leptons

    E-Print Network [OSTI]

    Oleg Antipin; Matti Heikinheimo; Kimmo Tuominen

    2009-09-14T23:59:59.000Z

    We consider implications of a fourth generation of leptons, allowing for the most general mass patterns for the fourth generation neutrino. We determine the constraints due to the precision electroweak measurements and outline the signatures to search for at the LHC experiments. As a concrete framework to apply these results we consider the minimal walking technicolor (MWTC) model where the matter content, regarding the electroweak quantum numbers, corresponds to a fourth generation.

  19. Renewable Electricity Generation (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2012-09-01T23:59:59.000Z

    This document highlights DOE's Office of Energy Efficiency and Renewable Energy's advancements in renewable electricity generation technologies including solar, water, wind, and geothermal.

  20. Registration of Electric Generators (Connecticut)

    Broader source: Energy.gov [DOE]

    All electric generating facilities operating in the state, with the exception of hydroelectric and nuclear facilities, must obtain a certificate of registration from the Department of Public...

  1. Interconnection Agreements for Onsite Generation

    Broader source: Energy.gov [DOE]

    Presentation covers Interconnection Agreements for Onsite Generation and is given at the Spring 2011 Federal Utility Partnership Working Group (FUPWG) meeting.

  2. Solid oxide fuel cell generator

    DOE Patents [OSTI]

    Draper, R.; George, R.A.; Shockling, L.A.

    1993-04-06T23:59:59.000Z

    A solid oxide fuel cell generator has a pair of spaced apart tubesheets in a housing. At least two intermediate barrier walls are between the tubesheets and define a generator chamber between two intermediate buffer chambers. An array of fuel cells have tubes with open ends engaging the tubesheets. Tubular, axially elongated electrochemical cells are supported on the tubes in the generator chamber. Fuel gas and oxidant gas are preheated in the intermediate chambers by the gases flowing on the other side of the tubes. Gas leakage around the tubes through the tubesheets is permitted. The buffer chambers reentrain the leaked fuel gas for reintroduction to the generator chamber.

  3. Solid oxide fuel cell generator

    DOE Patents [OSTI]

    Draper, Robert (Churchill Boro, PA); George, Raymond A. (Pittsburgh, PA); Shockling, Larry A. (Plum Borough, PA)

    1993-01-01T23:59:59.000Z

    A solid oxide fuel cell generator has a pair of spaced apart tubesheets in a housing. At least two intermediate barrier walls are between the tubesheets and define a generator chamber between two intermediate buffer chambers. An array of fuel cells have tubes with open ends engaging the tubesheets. Tubular, axially elongated electrochemical cells are supported on the tubes in the generator chamber. Fuel gas and oxidant gas are preheated in the intermediate chambers by the gases flowing on the other side of the tubes. Gas leakage around the tubes through the tubesheets is permitted. The buffer chambers reentrain the leaked fuel gas for reintroduction to the generator chamber.

  4. Submersible Generator for Marine Hydrokinetics

    SciTech Connect (OSTI)

    Robert S. Cinq-Mars; Timothy Burke; Dr. James Irish; Brian Gustafson; Dr. James Kirtley; Dr. Aiman Alawa

    2011-09-01T23:59:59.000Z

    A submersible generator was designed as a distinct and critical subassembly of marine hydrokinetics systems, specifically tidal and stream energy conversion. The generator is designed to work with both vertical and horizontal axis turbines. The final product is a high-pole-count, radial-flux, permanent magnet, rim mounted generator, initially rated at twenty kilowatts in a two-meter-per-second flow, and designed to leverage established and simple manufacturing processes. The generator was designed to work with a 3 meter by 7 meter Gorlov Helical Turbine or a marine hydrokinetic version of the FloDesign wind turbine. The team consisted of experienced motor/generator design engineers with cooperation from major US component suppliers (magnetics, coil winding and electrical steel laminations). Support for this effort was provided by Lucid Energy Technologies and FloDesign, Inc. The following tasks were completed: � Identified the conditions and requirements for MHK generators. � Defined a methodology for sizing and rating MHK systems. � Selected an MHK generator topology and form factor. � Completed electromechanical design of submersible generator capable of coupling to multiple turbine styles. � Investigated MHK generator manufacturing requirements. � Reviewed cost implications and financial viability. � Completed final reporting and deliverables

  5. Interconnection Standards for Small Generators

    Broader source: Energy.gov [DOE]

    The Federal Energy Regulatory Commission (FERC) adopted "small generator" interconnection standards for distributed energy resources up to 20 megawatts (MW) in capacity in May 2005.* The FERC's...

  6. DISTRIBUTED GENERATION AND COGENERATION POLICY

    E-Print Network [OSTI]

    Director EFFICIENCY, RENEWABLES & DEMAND ANALYSIS DIVISION B.B. Blevins Executive Director DISCLAIMER capacity targets. KEYWORDS Distributed generation, cogeneration, photovoltaics, wind, biomass, combined

  7. Selected Topics in Column Generation

    E-Print Network [OSTI]

    2002-12-02T23:59:59.000Z

    Dec 2, 2002 ... Page 1. Selected Topics in Column Generation. Marco E. Lübbecke ... is an ever recurring concept in our “selected topics.” OR/MS Subject ...

  8. Distributed Generation with Heat Recovery and Storage

    E-Print Network [OSTI]

    Siddiqui, Afzal S.; Marnay, Chris; Firestone, Ryan M.; Zhou, Nan

    2008-01-01T23:59:59.000Z

    selection of on-site power generation with combined heat andTotal Electricity Generation Figure 13. Small MercantileWeekday Total Electricity Generation (No Storage Adoption

  9. Vapor generation methods for explosives detection research. ...

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

    Vapor generation methods for explosives detection research. Vapor generation methods for explosives detection research. Abstract: The generation of calibrated vapor samples of...

  10. Modulation compression for short wavelength harmonic generation

    E-Print Network [OSTI]

    Qiang, J.

    2010-01-01T23:59:59.000Z

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

  11. Nanostructured Materials for Energy Generation and Storage

    E-Print Network [OSTI]

    Khan, Javed Miller

    2012-01-01T23:59:59.000Z

    of new energy generation and storage technologies arenew energy generation and storage technologies is importantBased Energy Storage and Generation Technologies The world

  12. Managing nuclear predominant generating capacity

    SciTech Connect (OSTI)

    Bouget, Y.H.; Herbin, H.C.; Carbonnier, D.

    1998-07-01T23:59:59.000Z

    The most common belief, associated with nuclear power plant, leads to the conclusion that it can only operate, as a base load plant. This observation can be reversed, by just looking at large generating capacity, using an important nuclear generation mix. Nuclear plants may certainly load follow and contribute to the grid frequency control. The French example illustrates these possibilities. The reactor control of French units has been customized to accommodate the grid requests. Managing such a large nuclear plant fleet requires various actions be taken, ranging from a daily to a multi-annual perspective. The paper describes the various contributions leading to safe, reliable, well accepted and cost competitive nuclear plants in France. The combination of all aspects related to operations, maintenance scheduling, nuclear safety management, are presented. The use of PWR units carries considerable weight in economic terms, with several hundred million francs tied in with outage scheduling every year. This necessitates a global view of the entire generating system which can be mobilized to meet demand. There is considerable interaction between units as, on the one hand, they are competing to satisfy the same need, and, on the other hand, reducing maintenance costs means sharing the necessary resources, and thus a coordinated staggering of outages. In addition, nuclear fuel is an energy reserve which remains in the reactor for 3 or 4 years, with some of the fuel renewed each year. Due to the memory effect, the fuel retains a memory of past use, so that today's choices impact upon the future. A medium-term view of fuel management is also necessary.

  13. NEXT GENERATION TURBINE SYSTEM STUDY

    SciTech Connect (OSTI)

    Frank Macri

    2002-02-28T23:59:59.000Z

    Rolls-Royce has completed a preliminary design and marketing study under a Department of Energy (DOE) cost shared contract (DE-AC26-00NT40852) to analyze the feasibility of developing a clean, high efficiency, and flexible Next Generation Turbine (NGT) system to meet the power generation market needs of the year 2007 and beyond. Rolls-Royce evaluated the full range of its most advanced commercial aerospace and aeroderivative engines alongside the special technologies necessary to achieve the aggressive efficiency, performance, emissions, economic, and flexibility targets desired by the DOE. Heavy emphasis was placed on evaluating the technical risks and the economic viability of various concept and technology options available. This was necessary to ensure the resulting advanced NGT system would provide extensive public benefits and significant customer benefits without introducing unacceptable levels of technical and operational risk that would impair the market acceptance of the resulting product. Two advanced cycle configurations were identified as offering significant advantages over current combined cycle products available in the market. In addition, balance of plant (BOP) technologies, as well as capabilities to improve the reliability, availability, and maintainability (RAM) of industrial gas turbine engines, have been identified. A customer focused survey and economic analysis of a proposed Rolls-Royce NGT product configuration was also accomplished as a part of this research study. The proposed Rolls-Royce NGT solution could offer customers clean, flexible power generation systems with very high efficiencies, similar to combined cycle plants, but at a much lower specific cost, similar to those of simple cycle plants.

  14. Hydrogen Generation From Electrolysis

    SciTech Connect (OSTI)

    Steven Cohen; Stephen Porter; Oscar Chow; David Henderson

    2009-03-06T23:59:59.000Z

    Small-scale (100-500 kg H2/day) electrolysis is an important step in increasing the use of hydrogen as fuel. Until there is a large population of hydrogen fueled vehicles, the smaller production systems will be the most cost-effective. Performing conceptual designs and analyses in this size range enables identification of issues and/or opportunities for improvement in approach on the path to 1500 kg H2/day and larger systems. The objectives of this program are to establish the possible pathways to cost effective larger Proton Exchange Membrane (PEM) water electrolysis systems and to identify areas where future research and development efforts have the opportunity for the greatest impact in terms of capital cost reduction and efficiency improvements. System design and analysis was conducted to determine the overall electrolysis system component architecture and develop a life cycle cost estimate. A design trade study identified subsystem components and configurations based on the trade-offs between system efficiency, cost and lifetime. Laboratory testing of components was conducted to optimize performance and decrease cost, and this data was used as input to modeling of system performance and cost. PEM electrolysis has historically been burdened by high capital costs and lower efficiency than required for large-scale hydrogen production. This was known going into the program and solutions to these issues were the focus of the work. The program provided insights to significant cost reduction and efficiency improvement opportunities for PEM electrolysis. The work performed revealed many improvement ideas that when utilized together can make significant progress towards the technical and cost targets of the DOE program. The cell stack capital cost requires reduction to approximately 25% of today’s technology. The pathway to achieve this is through part count reduction, use of thinner membranes, and catalyst loading reduction. Large-scale power supplies are available today that perform in a range of efficiencies, >95%, that are suitable for the overall operational goals. The balance of plant scales well both operationally and in terms of cost becoming a smaller portion of the overall cost equation as the systems get larger. Capital cost reduction of the cell stack power supplies is achievable by modifying the system configuration to have the cell stacks in electrical series driving up the DC bus voltage, thereby allowing the use of large-scale DC power supply technologies. The single power supply approach reduces cost. Elements of the cell stack cost reduction and efficiency improvement work performed in the early stage of the program is being continued in subsequent DOE sponsored programs and through internal investment by Proton. The results of the trade study of the 100 kg H2/day system have established a conceptual platform for design and development of a next generation electrolyzer for Proton. The advancements started by this program have the possibility of being realized in systems for the developing fueling markets in 2010 period.

  15. Generation Y in the Workplace

    E-Print Network [OSTI]

    Brown, Sky; Carter, Britt; Collins, Michael; Gallerson, Christopher; Giffin, Grady; Greer, Jon; Griffith, Ray; Johnson, Emily; Richardson, Kate

    2009-01-01T23:59:59.000Z

    Generation Y in the Workplace Sky Brown Britt Carter Michael Collins Christopher Gallerson Grady Giffin Jon Greer Ray Griffith Emily Johnson Kate Richardson Faculty Advisor: Dr. Domonic Bearfield i... Executive Summary The recruitment and retention of Generation Y, individuals born between 1977 and 2002, concern the federal government and the Congressional Research Service particularly, as the retirement rate among Baby Boomers increases. A clear...

  16. The Industrialization of Thermoelectric Power Generation Technology...

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

    The Industrialization of Thermoelectric Power Generation Technology The Industrialization of Thermoelectric Power Generation Technology Presents module and system requirements for...

  17. Distributed Generation Operational Reliability, Executive Summary...

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

    2004 This report summarizes the results of the project, "Distributed Generation Market Transformation Tools: Distributed Generation Reliability and Availability Database,"...

  18. Waste Heat Recovery Opportunities for Thermoelectric Generators...

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

    Waste Heat Recovery Opportunities for Thermoelectric Generators Waste Heat Recovery Opportunities for Thermoelectric Generators Thermoelectrics have unique advantages for...

  19. Skutterudite Thermoelectric Generator For Automotive Waste Heat...

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

    Skutterudite Thermoelectric Generator For Automotive Waste Heat Recovery Skutterudite Thermoelectric Generator For Automotive Waste Heat Recovery Skutterudite TE modules were...

  20. Device Independent Random Number Generation

    E-Print Network [OSTI]

    Mataj Pivoluska; Martin Plesch

    2015-02-23T23:59:59.000Z

    Randomness is an invaluable resource in today's life with a broad use reaching from numerical simulations through randomized algorithms to cryptography. However, on the classical level no true randomness is available and even the use of simple quantum devices in a prepare-measure setting suffers from lack of stability and controllability. This gave rise to a group of quantum protocols that provide randomness certified by classical statistical tests -- Device Independent Quantum Random Number Generators. In this paper we review the most relevant results in this field, which allow the production of almost perfect randomness with help of quantum devices, supplemented with an arbitrary weak source of additional randomness. This is in fact the best one could hope for to achieve, as with no starting randomness (corresponding to no free will in a different concept) even a quantum world would have a fully deterministic description.

  1. Requirements for Emergency Generator Operation All Emergency Generators

    E-Print Network [OSTI]

    Lawson, Catherine L.

    .2% Sulfur or less) As of October 1, 2007 Ultra low Sulfur Diesel must be used (0.05% Sulfur or less be received from manufacturer and sent to REHS Diesel emergency Generators must use low Sulfur Diesel ( 0

  2. FlexibleSUSY -- A spectrum generator generator for supersymmetric models

    E-Print Network [OSTI]

    Peter Athron; Jae-hyeon Park; Dominik Stöckinger; Alexander Voigt

    2015-03-18T23:59:59.000Z

    We introduce FlexibleSUSY, a Mathematica and C++ package, which generates a fast, precise C++ spectrum generator for any SUSY model specified by the user. The generated code is designed with both speed and modularity in mind, making it easy to adapt and extend with new features. The model is specified by supplying the superpotential, gauge structure and particle content in a SARAH model file; specific boundary conditions e.g. at the GUT, weak or intermediate scales are defined in a separate FlexibleSUSY model file. From these model files, FlexibleSUSY generates C++ code for self-energies, tadpole corrections, renormalization group equations (RGEs) and electroweak symmetry breaking (EWSB) conditions and combines them with numerical routines for solving the RGEs and EWSB conditions simultaneously. The resulting spectrum generator is then able to solve for the spectrum of the model, including loop-corrected pole masses, consistent with user specified boundary conditions. The modular structure of the generated code allows for individual components to be replaced with an alternative if available. FlexibleSUSY has been carefully designed to grow as alternative solvers and calculators are added. Predefined models include the MSSM, NMSSM, E$_6$SSM, USSM, R-symmetric models and models with right-handed neutrinos.

  3. Automotive Power Generation and Control

    E-Print Network [OSTI]

    Caliskan, Vahe

    This paper describes some new developments in the application of power electronics to automotive power generation and control. A new load-matching technique is introduced that uses a simple switched-mode rectifier to achieve ...

  4. Clean Electric Power Generation (Canada)

    Broader source: Energy.gov [DOE]

    Fossil fuels in Canada account for 27 percent of the electricity generated. The combustion of these fuels is a major source of emissions which affect air quality and climate change. The Government...

  5. Variable frequency microprocessor clock generator

    SciTech Connect (OSTI)

    Branson, C.N.

    1989-04-04T23:59:59.000Z

    A microprocessor-based system is described comprising: a digital central microprocessor provided with a clock input and having a rate of operation determined by the frequency of a clock signal input thereto; memory means operably coupled to the central microprocessor for storing programs respectively including a plurality of instructions and addressable by the central microprocessor; peripheral device operably connected to the central microprocessor, the first peripheral device being addressable by the central microprocessor for control thereby; a system clock generator for generating a digital reference clock signal having a reference frequency rate; and frequency rate reduction circuit means connected between the clock generator and the clock input of the central microprocessor for selectively dividing the reference clock signal to generate a microprocessor clock signal as an input to the central microprocessor for clocking the central microprocessor.

  6. Fluorine separation and generation device

    DOE Patents [OSTI]

    The Regents of the University of California (Oakland, CA)

    2008-12-23T23:59:59.000Z

    A process and apparatus for the electrolytic separation of fluorine from a mixture of gases is disclosed. Also described is the process and apparatus for the generation of fluorine from fluorine/fluoride containing solids, liquids or gases.

  7. Fluorine separation and generation device

    DOE Patents [OSTI]

    Jacobson, Craig P. (Moraga, CA); Visco, Steven J. (Berkeley, CA); DeJonghe, Lutgard C. (Lafayette, CA); Stefan, Constantin I. (Hayward, CA)

    2010-03-02T23:59:59.000Z

    A process and apparatus for the electrolytic separation of fluorine from a mixture of gases is disclosed. Also described is the process and apparatus for the generation of fluorine from fluorine/fluoride containing solids, liquids or gases.

  8. Unmediated data-oriented generation 

    E-Print Network [OSTI]

    Cochran, Dave

    2006-01-01T23:59:59.000Z

    This thesis describes the development of a system of Data-Oriented Generation (DOG) wherein noun-phrases are produced as descriptions of simple visual stimuli. This is work towards a broader goal of developing a ...

  9. Next Generation Light Source Workshops

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

    Next Generation Light Source Workshops A series of workshops will be held in late August with the goal of refining the scientific drivers for the facility and translating the...

  10. Figure 1. Nonhydroelectric renewable generation

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

    1. Nonhydroelectric renewable generation" " (billion kilowatthours)" ,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024,2025,2026,2027,2028,...

  11. Self-Generation Incentive Program

    Broader source: Energy.gov [DOE]

    Initiated in 2001, the Self-Generation Incentive Program (SGIP) offers incentives to customers who produce electricity with wind turbines, fuel cells, various forms of combined heat and power (CHP)...

  12. The generative powers of demolition

    E-Print Network [OSTI]

    Muskopf, Christopher Jon Dalton, 1975-

    2005-01-01T23:59:59.000Z

    When examining the factory within the urban fabric, especially those cases that are abandoned and considered obsolete, it may be possible to see the first generative act as one of un-building. Considering demolition as an ...

  13. Financing Co-generation Projects

    E-Print Network [OSTI]

    Young, R.

    1982-01-01T23:59:59.000Z

    profit generated by energy intensive industries will not be sufficient to provide the capital required for both normal business expansion and energy conservation projects. Debt financing for energy saving equipment will adversely impact balance sheet...

  14. Embedded Generation (New Brunswick, Canada)

    Broader source: Energy.gov [DOE]

    NB Power has seen an increase in the amount of companies and individuals who are interested in generating electricity using an environmentally sustainable energy source. As a result, NB Power has...

  15. Idea Generation 3D printing

    E-Print Network [OSTI]

    Papadopouli, Maria

    2012 Idea Generation 3D printing at nanoscale Cruising on electrical roads Pushing back against Centre micro and nanoscale 15 Taking 3D printing to the nanoscale 18 Fighting cancer with a "lab

  16. Hydrogen storage and generation system

    DOE Patents [OSTI]

    Dentinger, Paul M. (Sunol, CA); Crowell, Jeffrey A. W. (Castro Valley, CA)

    2010-08-24T23:59:59.000Z

    A system for storing and generating hydrogen generally and, in particular, a system for storing and generating hydrogen for use in an H.sub.2/O.sub.2 fuel cell. The hydrogen storage system uses the beta particles from a beta particle emitting material to degrade an organic polymer material to release substantially pure hydrogen. In a preferred embodiment of the invention, beta particles from .sup.63Ni are used to release hydrogen from linear polyethylene.

  17. High precision triangular waveform generator

    DOE Patents [OSTI]

    Mueller, Theodore R. (Oak Ridge, TN)

    1983-01-01T23:59:59.000Z

    An ultra-linear ramp generator having separately programmable ascending and descending ramp rates and voltages is provided. Two constant current sources provide the ramp through an integrator. Switching of the current at current source inputs rather than at the integrator input eliminates switching transients and contributes to the waveform precision. The triangular waveforms produced by the waveform generator are characterized by accurate reproduction and low drift over periods of several hours. The ascending and descending slopes are independently selectable.

  18. Solid state pulsed power generator

    DOE Patents [OSTI]

    Tao, Fengfeng; Saddoughi, Seyed Gholamali; Herbon, John Thomas

    2014-02-11T23:59:59.000Z

    A power generator includes one or more full bridge inverter modules coupled to a semiconductor opening switch (SOS) through an inductive resonant branch. Each module includes a plurality of switches that are switched in a fashion causing the one or more full bridge inverter modules to drive the semiconductor opening switch SOS through the resonant circuit to generate pulses to a load connected in parallel with the SOS.

  19. Frequency regulator for synchronous generators

    DOE Patents [OSTI]

    Karlicek, R.F.

    1982-08-10T23:59:59.000Z

    The present invention is directed to a novel frequency regulator which controls a generator output frequency for variations in both the input power to the generator and the power supplied to an uncontrolled external load. The present invention further includes over current and current balance protection devices which are relatively inexpensive to manufacture, which may be encapsulated to provide protection from the operating environment and which respond more quickly than previously known electromechanical devices. 11 figs.

  20. Echo-Enabled Harmonic Generation

    SciTech Connect (OSTI)

    Stupakov, Gennady; /SLAC

    2012-06-28T23:59:59.000Z

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

  1. Dynamical generation of hadronic resonances

    E-Print Network [OSTI]

    Thomas Wolkanowski

    2014-10-26T23:59:59.000Z

    One type of dynamical generation consists in the formation of multiple hadronic resonances from single seed states by incorporating hadronic loop contributions on the level of $s$-wave propagators. Along this line, we study the propagator poles within two models of scalar resonances and report on the status of our work: (i) Using a simple quantum field theory describing the decay of $f_{0}(500)$ into two pions, we may obtain a second, additional pole on the first Riemann sheet below the pion-pion threshold (i.e., a stable state can emerge). (ii) We perform a numerical study of the pole(s) of $a_{0}(1450)$ by using as an input the results obtained in the extended Linear Sigma Model (eLSM). Here, we do not find any additional pole besides the original one, thus we cannot obtain $a_{0}(980)$ as an emerging state. (iii) We finally demonstrate that, although the coupling constants in typical effective models might be large, the next-to-leading-order contribution to the decay amplitude is usually small and can be neglected.

  2. Lexicon generation methods, lexicon generation devices, and lexicon generation articles of manufacture

    DOE Patents [OSTI]

    Carter, Richard J [Richland, WA; McCall, Jonathon D [West Richland, WA; Whitney, Paul D [Richland, WA; Gregory, Michelle L [Richland, WA; Turner, Alan E [Kennewick, WA; Hetzler, Elizabeth G [Kennewick, WA; White, Amanda M [Kennewick, WA; Posse, Christian [Seattle, WA; Nakamura, Grant C [Kennewick, WA

    2010-10-26T23:59:59.000Z

    Lexicon generation methods, computer implemented lexicon editing methods, lexicon generation devices, lexicon editors, and articles of manufacture are described according to some aspects. In one aspect, a lexicon generation method includes providing a seed vector indicative of occurrences of a plurality of seed terms within a plurality of text items, providing a plurality of content vectors indicative of occurrences of respective ones of a plurality of content terms within the text items, comparing individual ones of the content vectors with respect to the seed vector, and responsive to the comparing, selecting at least one of the content terms as a term of a lexicon usable in sentiment analysis of text.

  3. Coal-fired diesel generator

    SciTech Connect (OSTI)

    NONE

    1997-05-01T23:59:59.000Z

    The objective of the proposed project is to test the technical, environmental, and economic viability of a coal-fired diesel generator for producing electric power in small power generating markets. Coal for the diesel generator would be provided from existing supplies transported for use in the University`s power plant. A cleanup system would be installed for limiting gaseous and particulate emissions. Electricity and steam produced by the diesel generator would be used to supply the needs of the University. The proposed diesel generator and supporting facilities would occupy approximately 2 acres of land adjacent to existing coal- and oil-fired power plant and research laboratory buildings at the University of Alaska, Fairbanks. The environmental analysis identified that the most notable changes to result from the proposed project would occur in the following areas: power plant configuration at the University of Alaska, Fairbanks; air emissions, water use and discharge, and the quantity of solid waste for disposal; noise levels at the power plant site; and transportation of coal to the power plant. No substantive adverse impacts or environmental concerns were identified in analyzing the effects of these changes.

  4. Waste generator services implementation plan

    SciTech Connect (OSTI)

    Mousseau, J.; Magleby, M.; Litus, M.

    1998-04-01T23:59:59.000Z

    Recurring waste management noncompliance problems have spurred a fundamental site-wide process revision to characterize and disposition wastes at the Idaho National Engineering and Environmental Laboratory. The reengineered method, termed Waste Generator Services, will streamline the waste acceptance process and provide waste generators comprehensive waste management services through a single, accountable organization to manage and disposition wastes in a timely, cost-effective, and compliant manner. This report outlines the strategy for implementing Waste Generator Services across the INEEL. It documents the culmination of efforts worked by the LMITCO Environmental Management Compliance Reengineering project team since October 1997. These efforts have included defining problems associated with the INEEL waste management process; identifying commercial best management practices; completing a review of DOE Complex-wide waste management training requirements; and involving others through an Integrated Process Team approach to provide recommendations on process flow, funding/charging mechanisms, and WGS organization. The report defines the work that will be performed by Waste Generator Services, the organization and resources, the waste acceptance process flow, the funding approach, methods for measuring performance, and the implementation schedule and approach. Field deployment will occur first at the Idaho Chemical Processing Plant in June 1998. Beginning in Fiscal Year 1999, Waste Generator Services will be deployed at the other major INEEL facilities in a phased approach, with implementation completed by March 1999.

  5. Efficient Generation of Generic Entanglement

    E-Print Network [OSTI]

    R. Oliveira; O. C. O. Dahlsten; M. B. Plenio

    2007-04-03T23:59:59.000Z

    We find that generic entanglement is physical, in the sense that it can be generated in polynomial time from two-qubit gates picked at random. We prove as the main result that such a process generates the average entanglement of the uniform (Haar) measure in at most $O(N^3)$ steps for $N$ qubits. This is despite an exponentially growing number of such gates being necessary for generating that measure fully on the state space. Numerics furthermore show a variation cut-off allowing one to associate a specific time with the achievement of the uniform measure entanglement distribution. Various extensions of this work are discussed. The results are relevant to entanglement theory and to protocols that assume generic entanglement can be achieved efficiently.

  6. NASA Launches Next-Generation Communications Satellite

    E-Print Network [OSTI]

    Christian, Eric

    .nasa.gov Volume 9 Issue 1 February 2013 #12;T he first of NASA's three next-generation Tracking and Data Relay Space Launch Complex-41. After a three-month test phase, NASA will accept the spacecraft for additional rocket blasts off from Space Launch Complex-41 with NASA's Tracking and Data Relay Satellite (TDRS

  7. Liquid soap film generates electricity

    E-Print Network [OSTI]

    Ahmad Amjadi; Sadegh Feiz; Reza Montazeri Namin

    2014-04-24T23:59:59.000Z

    We have observed that a rotating liquid soap film generates electricity when placed between two non-contact electrodes with a sufficiently large potential difference. In our experiments suspended liquid film (water + soap film) is formed on the surface of a circular frame, which is forced to rotate in the $x-y$ horizontal plane by a motor. This system is located at the center of two capacitor-like vertical plates to apply an external electric voltage difference in the $x-$direction. The produced electric current is collected from the liquid film using two conducting electrodes that are separated in the $y-$direction. We previously reported that a liquid film in an external electric field rotates when an electric current passes through it, naming it the liquid film motor (LFM). In this paper we report a novel technique, in which a similar device can be used as an electric generator, converting the rotating mechanical energy to electrical energy. The liquid film electric generator (LFEG) is in stark contrast to the LFM, both of which could be designed similarly in very small scales like micro scales with different applications. Although the device is comparable to commercial electric motors or electric generators, there is a significant difference in their working principles. Usually in an electric motor or generator the magnetic field causes the driving force, while in a LFM or LFEG the Coulomb force is the driving force. This fact is also interesting from the Bio-science point of view and brings a similarity to bio motors. Here we have investigated the electrical characteristics of such a generator for the first time experimentally and modelled the phenomenon with electroconvection governing equations. A numerical simulation is performed using the local approximation for the charge-potential relation and results are in qualitative agreement with experiments.

  8. North Brawley Power Plant Placed in Service; Currently Generating...

    Open Energy Info (EERE)

    navigation, search OpenEI Reference LibraryAdd to library Web Site: North Brawley Power Plant Placed in Service; Currently Generating 17 MW; Additional Operations Update Author...

  9. acrolein generation stimulates: Topics by E-print Network

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

    a powerful means of control over supercontinuum generation by stimulating the process with a very weak optical seed signal 2. This minute addition significantly...

  10. Does Geometric Coupling Generates Resonances?

    E-Print Network [OSTI]

    I. C. Jardim; G. Alencar; R. R. Landim; R. N. Costa Filho

    2015-05-08T23:59:59.000Z

    Geometrical coupling in a co-dimensional one Randall-Sundrum scenario (RS) is used to study resonances of $p-$form fields. The resonances are calculated using the transfer matrix method. The model studied consider the standard RS with delta-like branes, and branes generated by kinks and domain-wall as well. The parameters are changed to control the thickness of the smooth brane. With this a very interesting pattern is found for the resonances. The geometrical coupling does not generate resonances for the reduced $p-$form in all cases considered.

  11. Generation of Gaussian Density Fields

    E-Print Network [OSTI]

    Hugo Martel

    2005-07-15T23:59:59.000Z

    This document describes analytical and numerical techniques for the generation of Gaussian density fields, which represent cosmological density perturbations. The mathematical techniques involved in the generation of density harmonics in k-space, the filtering of the density fields, and the normalization of the power spectrum to the measured temperature fluctuations of the Cosmic Microwave Background, are presented in details. These techniques are well-known amongst experts, but the current literature lacks a formal description. I hope that this technical report will prove useful to new researchers moving into this field, sparing them the task of reinventing the wheel.

  12. Dubuque generation station, Dubuque, Iowa

    SciTech Connect (OSTI)

    Peltier, R.

    2008-10-15T23:59:59.000Z

    Alliant Energy's Dubuque generation station is a fine example of why small does not mean insignificant in the power generation industry. This winner of the EUCG best performer award in the small plant category shows that its operating excellence towers over that of many larger and much newer coal-fired power plants. The plant has three operating units with boilers originally designed for Illinois basin coal but now Powder River Basin coal makes up 75% of the coal consumed. The boilers can also burn natural gas. 4 photos.

  13. PJM©2012 Minimum Generation Alert PJM Actions

    E-Print Network [OSTI]

    Evaluate Schedules (including; Prior Light; Load Period

    – To provide alert that system conditions may require the use of emergency procedures as a result of generation exceeding demand. • Trigger – When expected generation levels approach 2,500 MW of normal generation limits.

  14. 4th Generation ECR Ion Sources

    E-Print Network [OSTI]

    Lyneis, Claude M.

    2010-01-01T23:59:59.000Z

    4th Generation ECR Ion Sources Claude M Lyneis, D. Leitner,to developing a 4 th generation ECR ion source with an RFover current 3 rd generation ECR ion sources, which operate

  15. Create Idea Generation: Harmony versus Stimulation

    E-Print Network [OSTI]

    Nemeth, Charlan Jeanne; Ormiston, Margaret

    2007-01-01T23:59:59.000Z

    35, 151-167. Creative Idea Generation Wegner, D. M . (1986).959-974. Creative Idea Generation Gruenfeîd, D. H. (1995).316-332. nd Creative Idea Generation Kim, P. H. (1997). When

  16. GENERATION OF ELECTRIC Hesham E. Shaalan

    E-Print Network [OSTI]

    Powell, Warren B.

    exhaust gases are delivered to a heat-recovery steam generator to produce steam that is used to drive.1 Optimum Electric-Power Generating Unit . . . . . . . . . . . . . . . . . . . . . . 8.7 Annual Capacity.21 Hydropower Generating Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.23 Largest Units

  17. Sum Frequency Generation for Surface Vibrational Spectroscopy...

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

    Sum Frequency Generation for Surface Vibrational Spectroscopy Sum Frequency Generation for Surface Vibrational Spectroscopy This customized SFG-VS spectrometer incorporates unique...

  18. Advanced Thermoelectric Materials and Generator Technology for...

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

    Thermoelectric Materials and Generator Technology for Automotive Waste Heat at GM Advanced Thermoelectric Materials and Generator Technology for Automotive Waste Heat at GM...

  19. Kansas Nuclear Profile - Wolf Creek Generating Station

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

    April 2012" "Next Release Date: February 2013" "Wolf Creek Generating Station" "Unit","Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor...

  20. Washington Nuclear Profile - Columbia Generating Station

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

    Columbia Generating Station" "Unit","Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor (percent)","Type","Commercial operation date","License expiration...

  1. Illinois Nuclear Profile - Dresden Generating Station

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

    Dresden Generating Station" "Unit","Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor (percent)","Type","Commercial operation date","License expiration...

  2. Illinois Nuclear Profile - Byron Generating Station

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

    Byron Generating Station" ,"Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor (percent)","Type","Commercial operation date","License expiration date"...

  3. Illinois Nuclear Profile - Braidwood Generation Station

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

    Braidwood Generation Station" "Unit","Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor (percent)","Type","Commercial operation date","License...

  4. California: Next-Generation Geothermal Demonstration Launched...

    Office of Environmental Management (EM)

    Next-Generation Geothermal Demonstration Launched California: Next-Generation Geothermal Demonstration Launched August 21, 2013 - 12:00am Addthis At the outer edges of the largest...

  5. Thermoelectric Power Generation System with Loop Thermosyphon...

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

    Power Generation System with Loop Thermosyphon in Future High Efficiency Hybrid Vehicles Thermoelectric Power Generation System with Loop Thermosyphon in Future High Efficiency...

  6. Sandia National Laboratories: Small Generator Interconnection...

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

    Commission Revised Its Small Generator Interconnection Procedure and Small Generator Interconnection Agreement On March 4, 2014, in Distribution Grid Integration, Energy, Grid...

  7. Energy Dissipation and Defect Generation for Nanocrystalline...

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

    Defect Generation for Nanocrystalline Silicon Carbide. Abstract: Large-scale molecular dynamics simulations have been employed to study defect generation and primary damage...

  8. EIGHT CHANNEL PROGRAMMABLE PULSE GENERATOR

    E-Print Network [OSTI]

    Kleinfeld, David

    Master-8 EIGHT CHANNEL PROGRAMMABLE PULSE GENERATOR Operation Manual A.M.P.I. A.M.P.I. 123Uzlel St and the programming simple and easy to learn. Master-8 is an attractive unit and you will enjoy working with its eight -- Modes of operation 11 -- Setting the parameters 13 -- Triggering 14 -- Eight stored paradigms 14

  9. Solid oxide fuel cell generator

    DOE Patents [OSTI]

    Di Croce, A. Michael (Murrysville, PA); Draper, Robert (Churchill Boro, PA)

    1993-11-02T23:59:59.000Z

    A solid oxide fuel cell generator has a plenum containing at least two rows of spaced apart, annular, axially elongated fuel cells. An electrical conductor extending between adjacent rows of fuel cells connects the fuel cells of one row in parallel with each other and in series with the fuel cells of the adjacent row.

  10. Solid oxide fuel cell generator

    DOE Patents [OSTI]

    Di Croce, A.M.; Draper, R.

    1993-11-02T23:59:59.000Z

    A solid oxide fuel cell generator has a plenum containing at least two rows of spaced apart, annular, axially elongated fuel cells. An electrical conductor extending between adjacent rows of fuel cells connects the fuel cells of one row in parallel with each other and in series with the fuel cells of the adjacent row. 5 figures.

  11. Searches for Fourth Generation Fermions

    E-Print Network [OSTI]

    A. Ivanov for CDF; D0 Collaborations

    2011-09-07T23:59:59.000Z

    We present the results from searches for fourth generation fermions performed using data samples collected by the CDF II and D0 Detectors at the Fermilab Tevatron ppbar collider. Many of these results represent the most stringent 95% C.L. limits on masses of new fermions to-date.

  12. Status of dynamical ensemble generation

    E-Print Network [OSTI]

    Chulwoo Jung

    2010-01-06T23:59:59.000Z

    I give an overview of current and future plans of dynamical QCD ensemble generation activities. A comparison of simulation cost between different discretizations is made. Recent developments in techniques and algorithms used in QCD dynamical simulations, especially mass reweighting, are also discussed.

  13. Mass Generation and Noncommutative Spacetime

    E-Print Network [OSTI]

    Burra G. Sidharth

    2009-02-23T23:59:59.000Z

    In this paper we show how it is possible to obtain mass generation in the context of non Abelian gauge field theory, using a non commutative spacetime. This is further confirmed by the modified dispersion relation that results from such a geometry.

  14. Rights, Obligations, and Future Generations

    E-Print Network [OSTI]

    Strole, Donald

    the right to use whatever we can regardless of the effects such action may have on future persons.2 On the other extreme are people who argue that future generations are entitled to a polution free environment, vast food reserves, and an abundance...

  15. Operating Reserves and Variable Generation

    SciTech Connect (OSTI)

    Ela, E.; Milligan, M.; Kirby, B.

    2011-08-01T23:59:59.000Z

    This report tries to first generalize the requirements of the power system as it relates to the needs of operating reserves. It also includes a survey of operating reserves and how they are managed internationally in system operations today and then how new studies and research are proposing they may be managed in the future with higher penetrations of variable generation.

  16. Generation IV Nuclear Energy Systems ...

    E-Print Network [OSTI]

    Kemner, Ken

    of electricity and total emissions of carbon dioxide (CO2 )--a greenhouse gas. According to the U.S. Environmental Protection Agency, electricity generation currently produces about 40 percent of our CO2 emissions in per capita use of electricity and total emissions of carbon dioxide (CO2 )--a greenhouse gas

  17. Utility Solar Generation Valuation Methods

    SciTech Connect (OSTI)

    Hansen, Thomas N.; Dion, Phillip J.

    2009-06-30T23:59:59.000Z

    Tucson Electric Power (TEP) developed, tested and verified the results of a new and appropriate method for accurately evaluating the capacity credit of time variant solar generating sources and reviewed new methods to appropriately and fairly evaluate the value of solar generation to electric utilities. The project also reviewed general integrated approaches for adequately compensating owners of solar generation for their benefits to utilities. However, given the limited funding support and time duration of this project combined with the significant differences between utilities regarding rate structures, solar resource availability and coincidence of solar generation with peak load periods, it is well beyond the scope of this project to develop specific rate, rebate, and interconnection approaches to capture utility benefits for all possible utilities. The project developed computer software based evaluation method models to compare solar generation production data measured in very short term time increments called Sample Intervals over a typical utility Dispatch Cycle during an Evaluation Period against utility system load data. Ten second resolution generation production data from the SGSSS and actual one minute resolution TEP system load data for 2006 and 2007, along with data from the Pennington Street Garage 60 kW DC capacity solar unit installed in downtown Tucson will be applied to the model for testing and verification of the evaluation method. Data was provided by other utilities, but critical time periods of data were missing making results derived from that data inaccurate. The algorithms are based on previous analysis and review of specific 2005 and 2006 SGSSS production data. The model was built, tested and verified by in house TEP personnel. For this phase of the project, TEP communicated with, shared solar production data with and collaborated on the development of solar generation valuation tools with other utilities, including Arizona Public Service, Salt River Project, Xcel and Nevada Power Company as well as the Arizona electric cooperatives. In the second phase of the project, three years of 10 second power output data of the SGSSS was used to evaluate the effectiveness of frequency domain analysis, normal statistical distribution analysis and finally maximum/minimum differential output analysis to test the applicability of these mathematic methods in accurately modeling the output variations produced by clouds passing over the SGSSS array.

  18. Solar-powered aroma generator

    SciTech Connect (OSTI)

    Spector, D.

    1986-02-04T23:59:59.000Z

    In combination with a switch-controlled electric light bulb having a threaded plug and a threaded socket disposed in a room which is also subject to natural ambient light, a switchless aroma generator is installed in the room which is automatically activated only when the electric light bulb is switched on. The activated generator functions to discharge an air current into the room which conveys an aromatic vapor to modify the atmosphere. The generator described in this patent consists of: A.) an air-permeable cartridge containing an aroma supply which is exuded into the atmosphere at a relatively rapid rate as an air current is forced through the cartridge; B.) a fan driven by a low-voltage, direct-current motor having predetermined power requirements, the fan being arranged to force an air current through the cartridge; C.) a housing incorporating the cartridge and the motordriven fan, the housing containing an apparatus for mounting it on a wall in the room; and D.) a solar cell assembly producing a direct-current output placed in close proximity to the bulb in the room and irradiated when the bulb is switched on. The assembly is connected to the motor to supply power, the electrical relationship of the assembly to the motor being such that the cell output is sufficient to power the motor only when the bulb is switched on to irradiate the assembly, and is insufficient when the bulb is switched off. The cell output then depends on ambient light in the room, and the operation of the generator is coordinated with that of the bulb despite the absence of a wired connection between and an aroma is generated only when the bulb is switched on.

  19. Steam Generator Group Project. Annual report, 1982

    SciTech Connect (OSTI)

    Clark, R.A.; Lewis, M.

    1984-02-01T23:59:59.000Z

    The Steam Generator Group Project (SGGP) is an NRC program joined by additional sponsors. The SGGP utilizes a steam generator removed from service at a nuclear plant (Surry 2) as a vehicle for research on a variety of safety and reliability issues. This report is an annual summary of progress of the program for 1982. Information is presented on the Steam Generator Examination Facility (SGEF), especially designed and constructed for this research. Loading of the generator into the SGEF is then discussed. The report then presents radiological field mapping results and personnel exposure monitoring. This is followed by information on field reduction achieved by channel head decontaminations. The report then presents results of a secondary side examination through shell penetrations placed prior to transport, confirming no change in generator condition due to transport. Decontamination of the channel head is discussed followed by plans for eddy current testing and removal of the plugs placed during service. Results of a preliminary profilometry examination are then provided.

  20. Innovative Energy Technologies: The Next Generation

    E-Print Network [OSTI]

    Andrews, Peter B.

    Innovative Energy Technologies: The Next Generation T E C H N O L O G Y G U I D E #12;Our lifestyle is sustained by energy. Technologies developed at Carnegie Mellon have the ability to enhance energy generation Generation Energy Technologies? 7 How Do We Realize the Benefits of Next Generation Energy Technologies? 9

  1. Fast K System Generators of Pseudorandom Numbers

    E-Print Network [OSTI]

    Akopov, N Z; Nersessian, A B; Savvidy, G K; Greiner, W

    1993-01-01T23:59:59.000Z

    We suggest fast algorithm for the matrix generator of pseudorandom numbers based on Kolmogorov-Anosov K systems which has been earliar proposed in \\cite{savvidy1,akopov1}. This algorithm reduces $N^{2}$ operation of the matrix generator to $NlnN$ and essentially reduces the generation time. It also clarifies the algebraic structure of this type of K system generators.

  2. Fast K System Generators of Pseudorandom Numbers

    E-Print Network [OSTI]

    N. Z. Akopov; E. M. Madounts; A. B. Nersesian; G. K. Savvidy; W. Greiner

    1993-11-19T23:59:59.000Z

    We suggest fast algorithm for the matrix generator of pseudorandom numbers based on Kolmogorov-Anosov K systems which has been earliar proposed in \\cite{savvidy1,akopov1}. This algorithm reduces $N^{2}$ operation of the matrix generator to $NlnN$ and essentially reduces the generation time. It also clarifies the algebraic structure of this type of K system generators.

  3. Current responsive devices for synchronous generators

    DOE Patents [OSTI]

    Karlicek, R.F.

    1983-09-27T23:59:59.000Z

    A device for detecting current imbalance between phases of a polyphase alternating current generator. A detector responds to the maximum peak current in the generator, and detecting means generates an output for each phase proportional to the peak current of each phase. Comparing means generates an output when the maximum peak current exceeds the phase peak current. 11 figs.

  4. Method for protecting an electric generator

    DOE Patents [OSTI]

    Kuehnle, Barry W. (Ammon, ID); Roberts, Jeffrey B. (Ammon, ID); Folkers, Ralph W. (Ammon, ID)

    2008-11-18T23:59:59.000Z

    A method for protecting an electrical generator which includes providing an electrical generator which is normally synchronously operated with an electrical power grid; providing a synchronizing signal from the electrical generator; establishing a reference signal; and electrically isolating the electrical generator from the electrical power grid if the synchronizing signal is not in phase with the reference signal.

  5. Computer Assisted Parallel Program Generation

    E-Print Network [OSTI]

    Kawata, Shigeo

    2015-01-01T23:59:59.000Z

    Parallel computation is widely employed in scientific researches, engineering activities and product development. Parallel program writing itself is not always a simple task depending on problems solved. Large-scale scientific computing, huge data analyses and precise visualizations, for example, would require parallel computations, and the parallel computing needs the parallelization techniques. In this Chapter a parallel program generation support is discussed, and a computer-assisted parallel program generation system P-NCAS is introduced. Computer assisted problem solving is one of key methods to promote innovations in science and engineering, and contributes to enrich our society and our life toward a programming-free environment in computing science. Problem solving environments (PSE) research activities had started to enhance the programming power in 1970's. The P-NCAS is one of the PSEs; The PSE concept provides an integrated human-friendly computational software and hardware system to solve a target ...

  6. Password Generation, Protection, and Use

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

    1999-11-23T23:59:59.000Z

    To establish minimum requirements for the generation, protection, and use of passwords to support authentication when accessing classified and unclassified Department of Energy (DOE) information systems. DOE N 205.16, dated 9-15-05, extends this Notice until 9-30-06, unless sooner rescinded. Cancels DOE M 471.2-2, Chapter VI, paragraphs 4j(2), and 4j(6) and Chapter VII, paragraph 12a(2)(a).

  7. Precision linear ramp function generator

    DOE Patents [OSTI]

    Jatko, W. Bruce (Knoxville, TN); McNeilly, David R. (Maryville, TN); Thacker, Louis H. (Knoxville, TN)

    1986-01-01T23:59:59.000Z

    A ramp function generator is provided which produces a precise linear ramp unction which is repeatable and highly stable. A derivative feedback loop is used to stabilize the output of an integrator in the forward loop and control the ramp rate. The ramp may be started from a selected baseline voltage level and the desired ramp rate is selected by applying an appropriate constant voltage to the input of the integrator.

  8. Precision linear ramp function generator

    DOE Patents [OSTI]

    Jatko, W.B.; McNeilly, D.R.; Thacker, L.H.

    1984-08-01T23:59:59.000Z

    A ramp function generator is provided which produces a precise linear ramp function which is repeatable and highly stable. A derivative feedback loop is used to stabilize the output of an integrator in the forward loop and control the ramp rate. The ramp may be started from a selected baseline voltage level and the desired ramp rate is selected by applying an appropriate constant voltage to the input of the integrator.

  9. Photoconductive circuit element pulse generator

    DOE Patents [OSTI]

    Rauscher, Christen (Alexandria, VA)

    1989-01-01T23:59:59.000Z

    A pulse generator for characterizing semiconductor devices at millimeter wavelength frequencies where a photoconductive circuit element (PCE) is biased by a direct current voltage source and produces short electrical pulses when excited into conductance by short laser light pulses. The electrical pulses are electronically conditioned to improve the frequency related amplitude characteristics of the pulses which thereafter propagate along a transmission line to a device under test.

  10. Electrostatic generator/motor configurations

    DOE Patents [OSTI]

    Post, Richard F

    2014-02-04T23:59:59.000Z

    Electrostatic generators/motors designs are provided that generally may include a first cylindrical stator centered about a longitudinal axis; a second cylindrical stator centered about the axis, a first cylindrical rotor centered about the axis and located between the first cylindrical stator and the second cylindrical stator. The first cylindrical stator, the second cylindrical stator and the first cylindrical rotor may be concentrically aligned. A magnetic field having field lines about parallel with the longitudinal axis is provided.

  11. Down hole periodic seismic generator

    DOE Patents [OSTI]

    Hardee, Harry C. (Albuquerque, NM); Hills, Richard G. (Las Cruces, NM); Striker, Richard P. (Albuquerque, NM)

    1989-01-01T23:59:59.000Z

    A down hole periodic seismic generator system for transmitting variable frequency, predominantly shear-wave vibration into earth strata surrounding a borehole. The system comprises a unitary housing operably connected to a well head by support and electrical cabling and contains clamping apparatus for selectively clamping the housing to the walls of the borehole. The system further comprises a variable speed pneumatic oscillator and a self-contained pneumatic reservoir for producing a frequency-swept seismic output over a discrete frequency range.

  12. Advanced downhole periodic seismic generator

    DOE Patents [OSTI]

    Hardee, Harry C. (Albuquerque, NM); Hills, Richard G. (Las Cruces, NM); Striker, Richard P. (Albuquerque, NM)

    1991-07-16T23:59:59.000Z

    An advanced downhole periodic seismic generator system for transmitting variable frequency, predominantly shear-wave vibration into earth strata surrounding a borehole. The system comprises a unitary housing operably connected to a well head by support and electrical cabling and contains clamping apparatus for selectively clamping the housing to the walls of the borehole. The system further comprises a variable speed pneumatic oscillator and a self-contained pneumatic reservoir for producing a frequency-swept seismic output over a discrete frequency range.

  13. Next generation solar bimodal systems

    SciTech Connect (OSTI)

    Babanin, V.I.; Ender, A.Y.; Kolyshkin, I.N.; Kuznetsov, V.I.; Sitnov, V.I. [Ioffe Physico-Technical Institute, St. Petersburg (Russian Federation); Paramonov, D.V. [Westinghouse Science and Technology Center, Pittsburgh, PA (United States)

    1997-12-31T23:59:59.000Z

    One of the principal advantages of a solar thermal propulsion system as compared to a conventional chemical propulsion one is high specific impulse which is proportional to the square root of a propellant temperature. Obviously, next generation solar propulsion and bimodal systems must take advantage of high and ultra-high temperatures. This requires use of an appropriate energy conversion system capable to take advantage of high temperature potentially achievable in a solar receiver. High efficiency and power density of a high temperature thermionic converter open new perspectives in the development of advanced bimodal power systems having performance significantly higher than that achievable by the state-of-the-art technology. The paper presents an innovative concept of a cascaded solar bimodal power system with a high temperature Cs-Ba thermionic converter. The paper shows that the use of high temperature Knudsen cesium-barium thermionic converter in a solar bimodal system allows to eliminate thermal insulation sleeve, generate electrical power in the propulsion mode, and precise control thermal state of the solar receiver. In the Cs-Ba thermionic converter an electron instability and high amplitude current oscillations develop. These effects can be used to obtain alternate current power directly in the converter. Possibility and potential advantage of such a generator are discussed.

  14. New downhole steam generator tested

    SciTech Connect (OSTI)

    Bleakley, W.B.

    1981-07-01T23:59:59.000Z

    Completion of 2 field tests of a new-model down-hole steam generator paves the way for further evaluation and development of a system destined to increase California's heavy oil production. Current air pollution restrictions there prevent installation of conventional steam generators in several areas of interest to oil operators. The current series of tests, conducted by Chemical Oil Recovery Co. (CORCO) of Bakersfield, California, follows an earlier prototype operation conducted by Sandia National Laboratories in conjunction with the US Department of Energy. The CORCO tests were conducted on the surface with the generator's output going into Tenneco Oil Exploration and Production Co.'s overland-Riokern Well No. 80, located in the Kern River field 4 miles north of Bakersfield. The first test was concluded with just under 1000 bbl of steam injected, less than planned due to a higher-than-expected injection pressure. The unit operated at less than 25% capacity because of the air compressor limitation. Compressor output was only 285 psi, not enough to inject the desired volumes into the reservoir. Test data shows that injection amounted to 150 bpd of 90 to 95% quality steam at 225-psi wellhead pressure. After injection, the well was shut in for 3 days to allow soaking, then put on production. Initial production was 40 bopd at 175 F.

  15. Truck Thermoacoustic Generator and Chiller

    SciTech Connect (OSTI)

    Robert Keolian

    2011-03-31T23:59:59.000Z

    This Final Report describes the accomplishments of the US Department of Energy (DOE) cooperative agreement project DE-FC26-04NT42113 - Truck Thermoacoustic Generator and Chiller - whose goal is to design, fabricate and test a thermoacoustic piezoelectric generator and chiller system for use on over-the-road heavy-duty-diesel trucks, driven alternatively by the waste heat of the main diesel engine exhaust or by a burner integrated into the thermoacoustic system. The thermoacoustic system would utilize engine exhaust waste heat to generate electricity and cab air conditioning, and would also function as an auxiliary power unit (APU) for idle reduction. The unit was to be tested in Volvo engine performance and endurance test cells and then integrated onto a Class 8 over-the-road heavy-duty-diesel truck for further testing on the road. The project has been a collaboration of The Pennsylvania State University Applied Research Laboratory, Los Alamos National Laboratory, Clean Power Resources Inc., and Volvo Powertrain (Mack Trucks Inc.). Cost share funding was provided by Applied Research Laboratory, and by Clean Power Resources Inc via its grant from Innovation Works - funding that was derived from the Commonwealth of Pennsylvania. Los Alamos received its funding separately through DOE Field Work Proposal 04EE09.

  16. Self-excited induction generator for variable-speed wind turbine generation

    SciTech Connect (OSTI)

    Muljadi, E.; Gregory, B. [National Renewable Energy Lab., Golden, CO (United States)] [National Renewable Energy Lab., Golden, CO (United States); Broad, D. [Colorado State Univ., Fort Collins, CO (United States). Dept. of Electrical Engineering] [Colorado State Univ., Fort Collins, CO (United States). Dept. of Electrical Engineering

    1996-10-01T23:59:59.000Z

    When an induction generator is connected to a utility bus, the voltage and frequency at the terminal of the generator are the same as the voltage and frequency of the utility. The reactive power needed by the induction generator is supplied by the utility and the real power is returned to the utility. The rotor speed varies within a very limited range, and the reactive power requirement must be transported through a long line feeder, thus creating additional transmission losses. The energy captured by a wind turbine can be increased if the rotor speed can be adjusted to follow wind speed variations. For small applications such as battery charging or water pumping, a stand alone operation can be implemented without the need to maintain the output frequency output of the generator. A self- excited induction generator is a good candidate for a stand alone operation where the wind turbine is operated at variable speed. Thus the performance of the wind turbine can be unproved. In this paper, we examine a self-excited induction generator operated in a stand alone mode. A potential application for battery charging is given. The output power of the generator will be controlled to improve the performance of the wind turbine.

  17. Sandia National Laboratories: Electric Power Generation and Water...

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

    InterconnectsElectric Power Generation and Water Use Data Electric Power Generation and Water Use Data Electric Power Generation and Water Use Data Electric Power Generation and...

  18. New Superconducting Magnet Will Lead to Next Generation of Wind...

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

    New Superconducting Magnet Will Lead to Next Generation of Wind Turbine Generators New Superconducting Magnet Will Lead to Next Generation of Wind Turbine Generators September 12,...

  19. Catalytic converter with thermoelectric generator

    SciTech Connect (OSTI)

    Parise, R.J.

    1998-07-01T23:59:59.000Z

    The unique design of an electrically heated catalyst (EHC) and the inclusion of an ECO valve in the exhaust of an internal combustion engine will meet the strict new emission requirements, especially at vehicle cold start, adopted by several states in this country as well as in Europe and Japan. The catalytic converter (CC) has been a most useful tool in pollution abatement for the automobile. But the emission requirements are becoming more stringent and, along with other improvements, the CC must be improved to meet these new standards. Coupled with the ECO valve, the EHC can meet these new emission limits. In an internal combustion engine vehicle (ICEV), approximately 80% of the energy consumed leaves the vehicle as waste heat: out the tail pipe, through the radiator, or convected/radiated off the engine. Included with the waste heat out the tail pipe are the products of combustion which must meet strict emission requirements. The design of a new CC is presented here. This is an automobile CC that has the capability of producing electrical power and reducing the quantity of emissions at vehicle cold start, the Thermoelectric Catalytic Power Generator. The CC utilizes the energy of the exothermic reactions that take place in the catalysis substrate to produce electrical energy with a thermoelectric generator. On vehicle cold start, the thermoelectric generator is used as a heat pump to heat the catalyst substrate to reduce the time to catalyst light-off. Thus an electrically heated catalyst (EHC) will be used to augment the abatement of tail pipe emissions. Included with the EHC in the exhaust stream of the automobile is the ECO valve. This valve restricts the flow of pollutants out the tail pipe of the vehicle for a specified amount of time until the EHC comes up to operating temperature. Then the ECO valve opens and allows the full exhaust, now treated by the EHC, to leave the vehicle.

  20. Thermoelectric generator for motor vehicle

    DOE Patents [OSTI]

    Bass, John C. (6121 La Pintra Dr., La Jolla, CA 92037)

    1997-04-29T23:59:59.000Z

    A thermoelectric generator for producing electric power for a motor vehicle from the heat of the exhaust gasses produced by the engine of the motor vehicle. The exhaust gasses pass through a finned heat transfer support structure which has seat positions on its outside surface for the positioning of thermoelectric modules. A good contact cylinder provides a framework from which a spring force can be applied to the thermoelectric modules to hold them in good contact on their seats on the surface of the heat transfer support structure.

  1. Hydro Power (pbl/generation)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC) EnvironmentalGyroSolé(tm) HarmonicbetandEnergyCorrective ActionHybridGeneration

  2. ExelĂ´n. Generation

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 1112011AT&T,OfficeEnd of Year 2010Salt |Exelon Generation Company, LLC Order No.

  3. The dynamics of laser droplet generation

    E-Print Network [OSTI]

    Blaz Krese; Matjaz Perc; Edvard Govekar

    2010-03-01T23:59:59.000Z

    We propose an experimental setup allowing for the characterization of laser droplet generation in terms of the underlying dynamics, primarily showing that the latter is deterministically chaotic by means of nonlinear time series analysis methods. In particular, we use a laser pulse to melt the end of a properly fed vertically placed metal wire. Due to the interplay of surface tension, gravity force and light-metal interaction, undulating pendant droplets are formed at the molten end, which eventually completely detach from the wire as a consequence of their increasing mass. We capture the dynamics of this process by employing a high-speed infrared camera, thereby indirectly measuring the temperature of the wire end and the pendant droplets. The time series is subsequently generated as the mean value over the pixel intensity of every infrared snapshot. Finally, we employ methods of nonlinear time series analysis to reconstruct the phase space from the observed variable and test it against determinism and stationarity. After establishing that the observed laser droplet generation is a deterministic and dynamically stationary process, we calculate the spectra of Lyapunov exponents. We obtain a positive largest Lyapunov exponent and a negative divergence, i.e., sum of all the exponents, thus indicating that the observed dynamics is deterministically chaotic with an attractor as solution in the phase space. In addition to characterizing the dynamics of laser droplet generation, we outline industrial applications of the process and point out the significance of our findings for future attempts at mathematical modeling.

  4. 4th Generation ECR Ion Sources

    SciTech Connect (OSTI)

    Lyneis, Claude M.; Leitner, D.; Todd, D.S.; Sabbi, G.; Prestemon, S.; Caspi, S.; Ferracin, P.

    2008-12-01T23:59:59.000Z

    The concepts and technical challenges related to developing a 4th generation ECR ion source with an RF frequency greater than 40 GHz and magnetic confinement fields greater than twice Becr will be explored in this paper. Based on the semi-empirical frequency scaling of ECR plasma density with the square of operating frequency, there should be significant gains in performance over current 3rd generation ECR ion sources, which operate at RF frequencies between 20 and 30 GHz. While the 3rd generation ECR ion sources use NbTi superconducting solenoid and sextupole coils, the new sources will need to use different superconducting materials such as Nb3Sn to reach the required magnetic confinement, which scales linearly with RF frequency. Additional technical challenges include increased bremsstrahlung production, which may increase faster than the plasma density, bremsstrahlung heating of the cold mass and the availability of high power continuous wave microwave sources at these frequencies. With each generation of ECR ion sources, there are new challenges to be mastered, but the potential for higher performance and reduced cost of the associated accelerator continue to make this a promising avenue for development.

  5. Method of generating a surface mesh

    DOE Patents [OSTI]

    Shepherd, Jason F. (Albuquerque, NM); Benzley, Steven (Provo, UT); Grover, Benjamin T. (Tracy, CA)

    2008-03-04T23:59:59.000Z

    A method and machine-readable medium provide a technique to generate and modify a quadrilateral finite element surface mesh using dual creation and modification. After generating a dual of a surface (mesh), a predetermined algorithm may be followed to generate and modify a surface mesh of quadrilateral elements. The predetermined algorithm may include the steps of generating two-dimensional cell regions in dual space, determining existing nodes in primal space, generating new nodes in the dual space, and connecting nodes to form the quadrilateral elements (faces) for the generated and modifiable surface mesh.

  6. Apparatuses and methods for generating electric fields

    DOE Patents [OSTI]

    Scott, Jill R; McJunkin, Timothy R; Tremblay, Paul L

    2013-08-06T23:59:59.000Z

    Apparatuses and methods relating to generating an electric field are disclosed. An electric field generator may include a semiconductive material configured in a physical shape substantially different from a shape of an electric field to be generated thereby. The electric field is generated when a voltage drop exists across the semiconductive material. A method for generating an electric field may include applying a voltage to a shaped semiconductive material to generate a complex, substantially nonlinear electric field. The shape of the complex, substantially nonlinear electric field may be configured for directing charged particles to a desired location. Other apparatuses and methods are disclosed.

  7. In vivo generator for radioimmunotherapy

    DOE Patents [OSTI]

    Mausner, Leonard F. (Stony Brook, NY); Srivastava, Suresh G. (Setauket, NY); Straub, Rita F. (Brookhaven, NY)

    1988-01-01T23:59:59.000Z

    The present invention involves labeling monoclonal antibodies with intermediate half-life radionuclides which decay to much shorter half-life daughters with desirable high energy beta emissions. Since the daughter will be in equilibrium with the parent, it can exert an in-situ tumoricidal effect over a prolonged period in a localized fashion, essentially as an "in-vivo generator". This approach circumvents the inverse relationship between half-life and beta decay energy. Compartmental modeling was used to determine the relative distribution of dose from both parent and daughter nuclei in target and non-target tissues. Actual antibody biodistribution data have been used to fit realistic rate constants for a model containing tumor, blood, and non-tumor compartments. These rate constants were then used in a variety of simulations for two generator systems, Ba-128/Cs-128 (t.sub.1/2 =2.4d/3.6m) and Pd-112/Ag-112 (t.sub.1/2 =0.9d/192m). The results show that higher tumor/background dose ratios may be achievable by virtue of the rapid excretion of a chemically different daughter during the uptake and clearance phases. This modeling also quantitatively demonstrates the favorable impact on activity distribution of a faster monoclonal antibody tumor uptake, especially when the antibody is labeled with a radionuclide with a comparable half-life.

  8. Next Generation Geothermal Power Plants

    SciTech Connect (OSTI)

    Brugman, John; Hattar, Mai; Nichols, Kenneth; Esaki, Yuri

    1995-09-01T23:59:59.000Z

    A number of current and prospective power plant concepts were investigated to evaluate their potential to serve as the basis of the next generation geothermal power plant (NGGPP). The NGGPP has been envisaged as a power plant that would be more cost competitive (than current geothermal power plants) with fossil fuel power plants, would efficiently use resources and mitigate the risk of reservoir under-performance, and minimize or eliminate emission of pollutants and consumption of surface and ground water. Power plant concepts were analyzed using resource characteristics at ten different geothermal sites located in the western United States. Concepts were developed into viable power plant processes, capital costs were estimated and levelized busbar costs determined. Thus, the study results should be considered as useful indicators of the commercial viability of the various power plants concepts that were investigated. Broadly, the different power plant concepts that were analyzed in this study fall into the following categories: commercial binary and flash plants, advanced binary plants, advanced flash plants, flash/binary hybrid plants, and fossil/geothed hybrid plants. Commercial binary plants were evaluated using commercial isobutane as a working fluid; both air-cooling and water-cooling were considered. Advanced binary concepts included cycles using synchronous turbine-generators, cycles with metastable expansion, and cycles utilizing mixtures as working fluids. Dual flash steam plants were used as the model for the commercial flash cycle. The following advanced flash concepts were examined: dual flash with rotary separator turbine, dual flash with steam reheater, dual flash with hot water turbine, and subatmospheric flash. Both dual flash and binary cycles were combined with other cycles to develop a number of hybrid cycles: dual flash binary bottoming cycle, dual flash backpressure turbine binary cycle, dual flash gas turbine cycle, and binary gas turbine cycle. Results of this study indicate that dual flash type plants are preferred at resources with temperatures above 400 F. Closed loop (binary type) plants are preferred at resources with temperatures below 400 F. A rotary separator turbine upstream of a dual flash plant can be beneficial at Salton Sea, the hottest resource, or at high temperature resources where there is a significant variance in wellhead pressures from well to well. Full scale demonstration is required to verify cost and performance. Hot water turbines that recover energy from the spent brine in a dual flash cycle improve that cycle's brine efficiency. Prototype field tests of this technology have established its technical feasibility. If natural gas prices remain low, a combustion turbine/binary hybrid is an economic option for the lowest temperature sites. The use of mixed fluids appear to be an attractive low risk option. The synchronous turbine option as prepared by Barber-Nichols is attractive but requires a pilot test to prove cost and performance. Dual flash binary bottoming cycles appear promising provided that scaling of the brine/working fluid exchangers is controllable. Metastable expansion, reheater, Subatmospheric flash, dual flash backpressure turbine, and hot dry rock concepts do not seem to offer any cost advantage over the baseline technologies. If implemented, the next generation geothermal power plant concept may improve brine utilization but is unlikely to reduce the cost of power generation by much more than 10%. Colder resources will benefit more from the development of a next generation geothermal power plant than will hotter resources. All values presented in this study for plant cost and for busbar cost of power are relative numbers intended to allow an objective and meaningful comparison of technologies. The goal of this study is to assess various technologies on an common basis and, secondarily, to give an approximate idea of the current costs of the technologies at actual resource sites. Absolute costs at a given site will be determined by the specifics of a given pr

  9. WECC Variable Generation Planning Reference Book: Appendices

    SciTech Connect (OSTI)

    Makarov, Yuri V.; Du, Pengwei; Etingov, Pavel V.; Ma, Jian; Vyakaranam, Bharat

    2013-05-13T23:59:59.000Z

    The document titled “WECC Variable Generation Planning Reference Book”. This book is divided into two volumes; one is the main document (volume 1)and the other is appendices (volume 2). The main document is a collection of the best practices and the information regarding the application and impact of variables generation on power system planning. This volume (appendices) has additional information on the following topics: Probabilistic load flow problems. 2. Additional useful indices. 3. high-impact low-frequency (HILF) events. 4. Examples of wide-area nomograms. 5. Transmission line ratings, types of dynamic rating methods. 6. Relative costs per MW-km of different electric power transmission technologies. 7. Ultra-high voltage (UHV) transmission. 8.High voltage direct current (VSC-HVDC). 9. HVDC. 10. Rewiring of existing transmission lines. 11. High-temperature low sag (HTLS) conductors. 12. The direct method and energy functions for transient stability analysis in power systems. 13.Blackouts caused by voltage instability. 14. Algorithm for parameter continuation predictor-corrector methods. 15. Approximation techniques available for security regions. 16. Impacts of wind power on power system small signals stability. 17. FIDVR. 18. FACTS. 19. European planning standard and practices. 20. International experience in wind and solar energy sources. 21. Western Renewable Energy Zones (WREZ). 22. various energy storage technologies. 23. demand response. 24. BA consolidation and cooperation options. 25. generator power management requirements and 26. European planning guidelines.

  10. Analysis of power generation processes using petcoke

    E-Print Network [OSTI]

    Jayakumar, Ramkumar

    2009-05-15T23:59:59.000Z

    higher carbon content than other hydrocarbons like coal, biomass and sewage residue. This gives petcoke a great edge over other feedstocks to generate power. Models for the two most common processes for power generation, namely combustion and gasification...

  11. Waste Heat Recovery Power Generation with WOWGen

    E-Print Network [OSTI]

    Romero, M.

    applications of heat recovery power generation can be found in Industry (e.g. steel, glass, cement, lime, pulp and paper, refining and petrochemicals), Power Generation (CHP, biomass, biofuel, traditional fuels, gasifiers, diesel engines) and Natural Gas...

  12. Internal tide generation by tall ocean ridges

    E-Print Network [OSTI]

    Echeverri Mondragón, Paula

    2009-01-01T23:59:59.000Z

    Internal tides are internal waves of tidal period generated by tidal currents flowing over submarine topography. Tall ridges that are nominally two-dimensional (2-D) are sites of particularly strong generation. The subsequent ...

  13. Automatic 5-axis NC toolpath generation

    E-Print Network [OSTI]

    Balasubramaniam, Mahadevan, 1976-

    2001-01-01T23:59:59.000Z

    Despite over a decade of research, automatic toolpath generation has remained an elusive goal for 5-axis NC machining. This thesis describes the theoretical and practical issues associated with generating collision free ...

  14. Distributed Generation with Heat Recovery and Storage

    E-Print Network [OSTI]

    Siddiqui, Afzal S.; Marnay, Chris; Firestone, Ryan M.; Zhou, Nan

    2008-01-01T23:59:59.000Z

    Only Load Electricity Generation By Fuel in the U.S.electricity generation from most sources, except oil, is growing to meet the growing demand and that fossil fuels

  15. Electricity Generation and Emissions Reduction Decisions

    E-Print Network [OSTI]

    Electricity Generation and Emissions Reduction Decisions under Policy Uncertainty: A General analysis, and public education in global environmental change. It seeks to provide leadership;1 Electricity Generation and Emissions Reduction Decisions under Policy Uncertainty: A General Equilibrium

  16. Operating strategy generators for nuclear reactors

    SciTech Connect (OSTI)

    Solovyev, D. A., E-mail: and@est.mephi.ru; Semenov, A. A.; Shchukin, N. V. [National Research Nuclear University MEPhI (Russian Federation)

    2011-12-15T23:59:59.000Z

    Operating strategy generators, i.e., the software intended for increasing the efficiency of work of nuclear power plant operators, are discussed. The possibilities provided by the domestic and foreign operating-strategy generators are analyzed.

  17. Generation of Organic Radicals During Photocatalytic Reactions...

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

    Generation of Organic Radicals During Photocatalytic Reactions on TiO2. Generation of Organic Radicals During Photocatalytic Reactions on TiO2. Abstract: Using a variety of organic...

  18. Automatic caption generation for news images 

    E-Print Network [OSTI]

    Feng, Yansong

    2011-06-30T23:59:59.000Z

    This thesis is concerned with the task of automatically generating captions for images, which is important for many image-related applications. Automatic description generation for video frames would help security ...

  19. Nanostructured Materials for Energy Generation and Storage

    E-Print Network [OSTI]

    Khan, Javed Miller

    2012-01-01T23:59:59.000Z

    energy generation and battery storage via the use ofenergy generation and battery storage via the use of nanos-and storage (e.g lithium-ion rechargeable battery)

  20. Generations of green honored with endowments

    E-Print Network [OSTI]

    Liu, Taosheng

    Generations of green honored with endowments Page 5 Michael Serling: A legacy of Support to enhance of knowledge and resources to improve their quality of life and that of future generations." According to Hamm

  1. Generating Circuit Tests by Exploiting Designed Behavior

    E-Print Network [OSTI]

    Shirley, Mark Harper

    1988-12-01T23:59:59.000Z

    This thesis describes two programs for generating tests for digital circuits that exploit several kinds of expert knowledge not used by previous approaches. First, many test generation problems can be solved efficiently ...

  2. Online Energy Generation Scheduling for Microgrids with

    E-Print Network [OSTI]

    Zhang, Junshan

    Online Energy Generation Scheduling for Microgrids with Intermittent Energy Sources and Co entitled: Online Energy Generation Scheduling for Microgrids with Intermittent Energy Sources and Co schedul- ing. However, accurate prediction cannot be guaranteed due to the small scale of microgrids

  3. Analysis of power generation processes using petcoke 

    E-Print Network [OSTI]

    Jayakumar, Ramkumar

    2009-05-15T23:59:59.000Z

    higher carbon content than other hydrocarbons like coal, biomass and sewage residue. This gives petcoke a great edge over other feedstocks to generate power. Models for the two most common processes for power generation, namely combustion and gasification...

  4. Code Generation in the Programmer's Apprentice

    E-Print Network [OSTI]

    Handsaker, Robert E.

    The Programmer's Apprentice is a highly interactive program development tool. The user interface to the system relies on program text which is generated from an internal plan representation. The programs generated need to ...

  5. Parametrization-independent elliptic surface grid generation

    E-Print Network [OSTI]

    Rasmussen, Britt Bille

    2009-01-01T23:59:59.000Z

    The generation of computational grids on surfaces of three-dimensional configurations is an important component of many areas of computational research, both as a boundary grid for volume grid generation or to perform ...

  6. Next Generation Environmentally Friendly Driving Feedback Systems...

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

    Environmentally Friendly Driving Feedback Systems Research and Development Next Generation Environmentally Friendly Driving Feedback Systems Research and Development 2012 DOE...

  7. Weak measurement and control of entanglement generation

    E-Print Network [OSTI]

    Charles D. Hill; J. F. Ralph

    2008-01-28T23:59:59.000Z

    In this paper we show how weak joint measurement and local feedback can be used to control entanglement generation between two qubits. To do this, we make use of a decoherence free subspace (DFS). Weak measurement and feedback can be used to drive the system into this subspace rapidly. Once within the subspace, feedback can generate entanglement rapidly, or turn off entanglement generation dynamically. We also consider, in the context of weak measurement, some of differences between purification and generating entanglement.

  8. Property Tax Exemption for Wind Generators (Oklahoma)

    Broader source: Energy.gov [DOE]

    The state of Oklahoma offers a five year ad valorem property tax exemption for certain windpower generators.

  9. Eastern Renewable Generation Integration Study (Presentation)

    SciTech Connect (OSTI)

    Bloom, A.

    2014-05-01T23:59:59.000Z

    This presentation provides a high-level overview of the Eastern Renewable Generation Integration Study process, scenarios, tools, and goals.

  10. Relaying and Controls for Generator Applications

    E-Print Network [OSTI]

    Massey, G. W.

    this transfer. The following pages outline the options available for Federal Bureau ofPrisons Kansas City, Kansas generator selection and operation, the common relays used for generator protection and control, and the minimum recommended control... and the sequence ofoperation for the generator system. The next section will discuss relays typically used in controlling and protecting the generator during normal and abnormal operating conditions. COMMONLY APPLIED PROTECfIVE AND CONTROL RELAYS Relays...

  11. Articles about Next-Generation Technologies

    Broader source: Energy.gov [DOE]

    Stories about next-generation technologies featured by the U.S. Department of Energy (DOE) Wind Program.

  12. High speed optical quantum random number generation

    E-Print Network [OSTI]

    Weinfurter, Harald

    .3351 (2009). 6. I. Reidler, Y. Aviad, M. Rosenbluh, and I. Kanter, "Ultrahigh-speed random number generation

  13. Compact neutron generator development at LBNL

    E-Print Network [OSTI]

    2003-01-01T23:59:59.000Z

    Generator Development at LBNL J. Reijonen, G. English, R.Technology Group in LBNL. The compact axial extraction

  14. Towards Smart Integration of Wind Generation.

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Towards Smart Integration of Wind Generation. G. Giebela , P. Meiboma , P. Pinsonb , and G for the management of electricity grids with large-scale wind generation and to get a better handle on extreme events that integrate the full information on the expected wind generation. In order to demonstrate the value

  15. Opening New Frontiers in Power Generation

    E-Print Network [OSTI]

    Haile, Sossina M.

    FUEL CELLS Opening New Frontiers in Power Generation U . S . D e p a r t m e n t o f E n e r g y in the power generation industry. Fuel cells have the potential to truly revolutionize power generation. Fuel by subjecting it to steam and high temperatures. In order to use coal, biomass, or a range of hydrocarbon wastes

  16. Storage, generation, and use of hydrogen

    DOE Patents [OSTI]

    McClaine, Andrew W.; Rolfe, Jonathan L.; Larsen, Christopher A.; Konduri, Ravi K.

    2006-05-30T23:59:59.000Z

    A composition comprising a carrier liquid; a dispersant; and a chemical hydride. The composition can be used in a hydrogen generator to generate hydrogen for use, e.g., as a fuel. A regenerator recovers elemental metal from byproducts of the hydrogen generation process.

  17. Agent Technology: Enabling Next Generation Computing

    E-Print Network [OSTI]

    Luck, Michael

    Agent Technology: Enabling Next Generation Computing A Roadmap for Agent Based Computing MichaelTechnology:ARoadmapLuck,McBurney&PreistAgentLink #12;i AgentLink Roadmap Agent Technology: Enabling Next Generation Computing A Roadmap for Agent, Peter McBurney and Chris Preist Agent Technology: Enabling Next Generation Computing A Roadmap for Agent

  18. Heat engine generator control system

    DOE Patents [OSTI]

    Rajashekara, Kaushik (Carmel, IN); Gorti, Bhanuprasad Venkata (Towson, MD); McMullen, Steven Robert (Anderson, IN); Raibert, Robert Joseph (Fishers, IN)

    1998-01-01T23:59:59.000Z

    An electrical power generation system includes a heat engine having an output member operatively coupled to the rotor of a dynamoelectric machine. System output power is controlled by varying an electrical parameter of the dynamoelectric machine. A power request signal is related to an engine speed and the electrical parameter is varied in accordance with a speed control loop. Initially, the sense of change in the electrical parameter in response to a change in the power request signal is opposite that required to effectuate a steady state output power consistent with the power request signal. Thereafter, the electrical parameter is varied to converge the output member speed to the speed known to be associated with the desired electrical output power.

  19. Heat engine generator control system

    DOE Patents [OSTI]

    Rajashekara, K.; Gorti, B.V.; McMullen, S.R.; Raibert, R.J.

    1998-05-12T23:59:59.000Z

    An electrical power generation system includes a heat engine having an output member operatively coupled to the rotor of a dynamoelectric machine. System output power is controlled by varying an electrical parameter of the dynamoelectric machine. A power request signal is related to an engine speed and the electrical parameter is varied in accordance with a speed control loop. Initially, the sense of change in the electrical parameter in response to a change in the power request signal is opposite that required to effectuate a steady state output power consistent with the power request signal. Thereafter, the electrical parameter is varied to converge the output member speed to the speed known to be associated with the desired electrical output power. 8 figs.

  20. Discharge cell for ozone generator

    DOE Patents [OSTI]

    Nakatsuka, Suguru (Amagasaki, JP)

    2000-01-01T23:59:59.000Z

    A discharge cell for use in an ozone generator is provided which can suppress a time-related reduction in ozone concentration without adding a catalytic gas such as nitrogen gas to oxygen gas as a raw material gas. The discharge cell includes a pair of electrodes disposed in an opposed spaced relation with a discharge space therebetween, and a dielectric layer of a three-layer structure consisting of three ceramic dielectric layers successively stacked on at least one of the electrodes, wherein a first dielectric layer of the dielectric layer contacting the one electrode contains no titanium dioxide, wherein a second dielectric layer of the dielectric layer exposed to the discharge space contains titanium dioxide in a metal element ratio of not lower than 10 wt %.

  1. Electrostatic generator/motor configurations

    DOE Patents [OSTI]

    Post, Richard Freeman

    2012-09-11T23:59:59.000Z

    Electrostatic generators/motors designs are provided that include a stator fixedly connected to a first central support centered about a central axis. The stator elements are attached to the first central support. Similarly, a second stator is connected to a central support centered about the central axis, and the second stator has stator elements attached to the second central support. A rotor is located between the first stator and the second stator and includes an outer support, where the rotor is rotatably centered about the central axis, the rotor having elements in contact with the outer support, each rotor element having an extending rotor portion that extends radially from the outer support toward the axis of rotation.

  2. The Next Generation Nuclear Plant

    SciTech Connect (OSTI)

    Dr. David A. Petti

    2009-01-01T23:59:59.000Z

    The Next Generation Nuclear Plant (NGNP) will be a demonstration of the technical, licensing, operational, and commercial viability of High Temperature Gas-Cooled Reactor (HTGR) technology for the production of process heat, electricity, and hydrogen. This nuclear- based technology can provide high-temperature process heat (up to 950°C) that can be used as a substitute for the burning of fossil fuels for a wide range of commercial applications (see Figure 1). The substitution of the HTGR for burning fossil fuels conserves these hydrocarbon resources for other uses, reduces uncertainty in the cost and supply of natural gas and oil, and eliminates the emissions of greenhouse gases attendant with the burning of these fuels. The HTGR is a passively safe nuclear reactor concept with an easily understood safety basis that permits substantially reduced emergency planning requirements and improved siting flexibility compared to other nuclear technologies.

  3. Next Generation National Security Leaders

    SciTech Connect (OSTI)

    Mahy, Heidi A.; Fankhauser, Jana G.; Stein, Steven L.; Toomey, Christopher

    2012-07-19T23:59:59.000Z

    It is generally accepted that the international security community faces an impending challenge in its changing leadership demographics. The workforce that currently addresses nonproliferation, arms control, and verification is moving toward retirement and there is a perceived need for programs to train a new set of experts for both technical- and policy-related functions to replace the retiring generation. Despite the perceived need, there are also indicators that there are not sufficient jobs for individuals we are currently training. If we had “right-sized” the training programs, there would not be a shortage of jobs. The extent and scope of the human resource crisis is unclear, and information about training programs and how they meet existing needs is minimal. This paper seeks to achieve two objectives: 1) Clarify the major human resource problem and potential consequences; and 2) Propose how to characterize the requirement with sufficient granularity to enable key stakeholders to link programs aimed at developing the next generations of experts with employment needs. In order to accomplish both these goals, this paper recommends establishing a forum comprised of key stakeholders of this issue (including universities, public and private sectors), and conducting a study of the human resources and resource needs of the global security community. If there is indeed a human resource crisis in the global security field, we cannot address the problem if we are uninformed. The solution may lie in training more (or fewer) young professions to work in this community – or it may lie in more effectively using our existing resources and training programs.

  4. Generation of Core/shell Nanoparticles with Laser Ablation 

    E-Print Network [OSTI]

    Jo, Young Kyong

    2012-10-19T23:59:59.000Z

    Two types of core/shell nanoparticles (CS-NPs) generation based on laser ablation are developed in this study, namely, double pulse laser ablation and laser ablation in colloidal solutions. In addition to the study of the generation mechanism of CS...

  5. Generating Descriptions that Summarize Geospatial and Temporal Data Martin Molina

    E-Print Network [OSTI]

    Molina, Martín

    pattern analysis, etc. In addition, geospatial and temporal data summarization can be combined with domainGenerating Descriptions that Summarize Geospatial and Temporal Data Martin Molina Department a knowledge-based method for automatically generating summaries of geospatial and temporal data, i.e. data

  6. Generation of Core/shell Nanoparticles with Laser Ablation

    E-Print Network [OSTI]

    Jo, Young Kyong

    2012-10-19T23:59:59.000Z

    Two types of core/shell nanoparticles (CS-NPs) generation based on laser ablation are developed in this study, namely, double pulse laser ablation and laser ablation in colloidal solutions. In addition to the study of the generation mechanism of CS...

  7. Generation of stable overlaps between antiparallel filaments

    E-Print Network [OSTI]

    D. Johann; D. Goswami; K. Kruse

    2015-03-26T23:59:59.000Z

    During cell division, sister chromatids are segregated by the mitotic spindle, a bipolar assembly of interdigitating antiparallel polar filaments called microtubules. Establishing a stable overlap region is essential for maintenance of bipolarity, but the underlying mechanisms are poorly understood. Using a particle-based stochastic model, we find that the interplay of motors and passive cross linkers can robustly generate partial overlaps between antiparallel filaments. Our analysis shows that motors reduce the overlap in a length-dependent manner, whereas passive cross linkers increase it independently of the length. In addition to maintaining structural integrity, passive cross linkers can thus also have a dynamic role for size regulation.

  8. Generation of stable overlaps between antiparallel filaments

    E-Print Network [OSTI]

    Johann, D; Kruse, K

    2015-01-01T23:59:59.000Z

    During cell division, sister chromatids are segregated by the mitotic spindle, a bipolar assembly of interdigitating antiparallel polar filaments called microtubules. Establishing a stable overlap region is essential for maintenance of bipolarity, but the underlying mechanisms are poorly understood. Using a particle-based stochastic model, we find that the interplay of motors and passive cross linkers can robustly generate partial overlaps between antiparallel filaments. Our analysis shows that motors reduce the overlap in a length-dependent manner, whereas passive cross linkers increase it independently of the length. In addition to maintaining structural integrity, passive cross linkers can thus also have a dynamic role for size regulation.

  9. Plasmon signatures in high harmonic generation

    E-Print Network [OSTI]

    J. Zanghellini; Ch. Jungreuthmayer; T. Brabec

    2005-12-12T23:59:59.000Z

    High harmonic generation in polarizable multi-electron systems is investigated in the framework of multi-configuration time-dependent Hartree-Fock. The harmonic spectra exhibit two cut offs. The first cut off is in agreement with the well established, single active electron cut off law. The second cut off presents a signature of multi-electron dynamics. The strong laser field excites non-linear plasmon oscillations. Electrons that are ionized from one of the multi-plasmon states and recombine to the ground state gain additional energy, thereby creating the second plateau.

  10. Generating Luminous and Dark Matter During Inflation

    E-Print Network [OSTI]

    Barrie, Neil D

    2015-01-01T23:59:59.000Z

    We propose a new mechanism for generating both luminous and dark matter during cosmic inflation. According to this mechanism, ordinary and dark matter carry common charge which is associated with an anomalous $ U(1)_{X} $ group. Anomaly terms source $ \\mathcal{CP} $ and $ U(1)_{X} $ charge violating processes during inflation, producing corresponding non-zero Chern-Simons numbers which are subsequently reprocessed into baryon and dark matter densities. The general framework developed is then applied to two possible extensions of the Standard Model with anomalous gauged $B$ and $B-L$, each with an additional dark matter candidate.

  11. Generating Luminous and Dark Matter During Inflation

    E-Print Network [OSTI]

    Neil D. Barrie; Archil Kobakhidze

    2015-03-09T23:59:59.000Z

    We propose a new mechanism for generating both luminous and dark matter during cosmic inflation. According to this mechanism, ordinary and dark matter carry common charge which is associated with an anomalous $ U(1)_{X} $ group. Anomaly terms source $ \\mathcal{CP} $ and $ U(1)_{X} $ charge violating processes during inflation, producing corresponding non-zero Chern-Simons numbers which are subsequently reprocessed into baryon and dark matter densities. The general framework developed is then applied to two possible extensions of the Standard Model with anomalous gauged $B$ and $B-L$, each with an additional dark matter candidate.

  12. Morf - Towards Next Generation Digital Media Management

    SciTech Connect (OSTI)

    Almquist, Justin P.; Connell, Linda M.; Johns, Zoe C.; Dillon, Heather E.; Elliott, Geoffrey

    2005-07-27T23:59:59.000Z

    The Morf project is developing next generation digital media management technologies by incorporating features of traditional systems such as digital libraries, knowledge bases, and content management systems. In particular, Morf supports fine-grained content management by allowing text, graphics, or any media to be reused throughout the system, which creates for a ?change once, permeate everywhere? environment. Additionally, Morf provides searching and browsing capabilities of multiple media types across internal and external content. This paper describes the requirements, design, and implementation of Morf and presents three web tools currently driven by the Morf platform.

  13. Design and Performance Aspects of Steam Generators 

    E-Print Network [OSTI]

    Ganapathy, V.

    1994-01-01T23:59:59.000Z

    -DESIGNING The concept of custom designing packaged steam generators is not new. Those familiar with heat recovery applications know that efficency and gas pressure drop are critical factors from boiler performance viewpoint and efforts should be made... gas pressure drop in a 100,000 lb/h boiler is equivalent to 15-18 kw of additional power or $ 7500 per year electricity bill, not to mention the larger fan size. Due to higher gas flow,the boiler efficency will also be affected. The exit gas...

  14. Solution generating theorems: perfect fluid spheres and the TOV equation

    E-Print Network [OSTI]

    Petarpa Boonserm; Matt Visser; Silke Weinfurtner

    2006-09-22T23:59:59.000Z

    We report several new transformation theorems that map perfect fluid spheres into perfect fluid spheres. In addition, we report new ``solution generating'' theorems for the TOV, whereby any given solution can be ``deformed'' to a new solution.

  15. Contrasting Approaches of Two Environment Generators: The Synthesizer Generator and Pan

    E-Print Network [OSTI]

    Massachusetts at Amherst, University of

    Contrasting Approaches of Two Environment Generators: The Synthesizer Generator and Pan Barbara@cs.umass.edu April 20, 1993 Abstract The Synthesizer Generator and Pan are two popular environment generators. While having the same basic goal of assisting in the development of interactive environments, they use rather

  16. Super Marx Generator for Thermonuclear Ignition

    E-Print Network [OSTI]

    Winterberg, Friedwardt

    2008-01-01T23:59:59.000Z

    In ongoing electric pulse power driven inertial confinement fusion experiments, Marx generators are connected in parallel with the target in the center of a ring of the Marx generators. There the currents, not the voltages add up. Instead of connecting a bank of Marx generator in parallel, one may connect them in series, adding up their voltages, not the currents. If, for example, fifty 20 MV Marx generators are connected in series, they would add up to a gigavolt. But to prevent breakdown, the adding up of the voltages in such a super-Marx generator must be fast. For this reason, it is proposed that each of the Marx generators charges up a fast discharge capacitor, with the thusly charged fast capacitors becoming the elements of a second stage super Marx generator. In a super Marx generator, the Marx generators also assume the role of the resistors in the original Marx circuit. With a voltage of 10^9 Volt and a discharge current of 10^7 Ampere, the generation of a 10^16 Watt GeV proton beam becomes possible,...

  17. Control of flow through a vapor generator

    DOE Patents [OSTI]

    Radcliff, Thomas D.

    2005-11-08T23:59:59.000Z

    In a Rankine cycle system wherein a vapor generator receives heat from exhaust gases, provision is made to avoid overheating of the refrigerant during ORC system shut down while at the same time preventing condensation of those gases within the vapor generator when its temperature drops below a threshold temperature by diverting the flow of hot gases to ambient and to thereby draw ambient air through the vapor generator in the process. In one embodiment, a bistable ejector is adjustable between one position, in which the hot gases flow through the vapor generator, to another position wherein the gases are diverted away from the vapor generator. Another embodiment provides for a fixed valve ejector with a bias towards discharging to ambient, but with a fan on the downstream side of said vapor generator for overcoming this bias.

  18. Generator configuration for solid oxide fuel cells

    DOE Patents [OSTI]

    Reichner, Philip (Plum Boro, PA)

    1989-01-01T23:59:59.000Z

    Disclosed are improvements in a solid oxide fuel cell generator 1 having a multiplicity of electrically connected solid oxide fuel cells 2, where a fuel gas is passed over one side of said cells and an oxygen-containing gas is passed over the other side of said cells resulting in the generation of heat and electricity. The improvements comprise arranging the cells in the configuration of a circle, a spiral, or folded rows within a cylindrical generator, and modifying the flow rate, oxygen concentration, and/or temperature of the oxygen-containing gases that flow to those cells that are at the periphery of the generator relative to those cells that are at the center of the generator. In these ways, a more uniform temperature is obtained throughout the generator.

  19. The Lepton Sector of a Fourth Generation

    E-Print Network [OSTI]

    Gustavo Burdman; Leandro Da Rold; Ricardo D. Matheus

    2010-05-10T23:59:59.000Z

    In extensions of the standard model with a heavy fourth generation one important question is what makes the fourth-generation lepton sector, particularly the neutrinos, so different from the lighter three generations. We study this question in the context of models of electroweak symmetry breaking in warped extra dimensions, where the flavor hierarchy is generated by the localization of the zero-mode fermions in the extra dimension. In this setup the Higgs sector is localized near the infrared brane, whereas the Majorana mass term is localized at the ultraviolet brane. As a result, light neutrinos are almost entirely Majorana particles, whereas the fourth generation neutrino is mostly a Dirac fermion. We show that it is possible to obtain heavy fourth-generation leptons in regions of parameter space where the light neutrino masses and mixings are compatible with observation. We study the impact of these bounds, as well as the ones from lepton flavor violation, on the phenomenology of these models.

  20. The Chemistry of Flammable Gas Generation

    SciTech Connect (OSTI)

    ZACH, J.J.

    2000-10-30T23:59:59.000Z

    The document collects information from field instrumentation, laboratory tests, and analytical models to provide a single source of information on the chemistry of flammable gas generation at the Hanford Site. It considers the 3 mechanisms of formation: radiolysis, chemical reactions, and thermal generation. An assessment of the current models for gas generation is then performed. The results are that the various phenomena are reasonably understood and modeled compared to field data.

  1. Control system for fluid heated steam generator

    DOE Patents [OSTI]

    Boland, James F. (Bonneville County, ID); Koenig, John F. (Idaho Falls, ID)

    1985-01-01T23:59:59.000Z

    A control system for controlling the location of the nucleate-boiling region in a fluid heated steam generator comprises means for measuring the temperature gradient (change in temperature per unit length) of the heating fluid along the steam generator; means for determining a control variable in accordance with a predetermined function of temperature gradients and for generating a control signal in response thereto; and means for adjusting the feedwater flow rate in accordance with the control signal.

  2. Report on Distributed Generation Penetration Study

    SciTech Connect (OSTI)

    Miller, N.; Ye, Z.

    2003-08-01T23:59:59.000Z

    This report documents part of a multiyear research program dedicated to the development of requirements to support the definition, design, and demonstration of a distributed generation-electric power system interconnection interface concept. The report focuses on the dynamic behavior of power systems when a significant portion of the total energy resource is distributed generation. It also focuses on the near-term reality that the majority of new DG relies on rotating synchronous generators for energy conversion.

  3. Control system for fluid heated steam generator

    DOE Patents [OSTI]

    Boland, J.F.; Koenig, J.F.

    1984-05-29T23:59:59.000Z

    A control system for controlling the location of the nucleate-boiling region in a fluid heated steam generator comprises means for measuring the temperature gradient (change in temperature per unit length) of the heating fluid along the steam generator; means for determining a control variable in accordance with a predetermined function of temperature gradients and for generating a control signal in response thereto; and means for adjusting the feedwater flow rate in accordance with the control signal.

  4. Thermoelectric power generator with intermediate loop

    DOE Patents [OSTI]

    Bell, Lon E; Crane, Douglas Todd

    2013-05-21T23:59:59.000Z

    A thermoelectric power generator is disclosed for use to generate electrical power from heat, typically waste heat. An intermediate heat transfer loop forms a part of the system to permit added control and adjustability in the system. This allows the thermoelectric power generator to more effectively and efficiently generate power in the face of dynamically varying temperatures and heat flux conditions, such as where the heat source is the exhaust of an automobile, or any other heat source with dynamic temperature and heat flux conditions.

  5. Thermoelectric power generator with intermediate loop

    DOE Patents [OSTI]

    Bel,; Lon E. (Altadena, CA); Crane, Douglas Todd (Pasadena, CA)

    2009-10-27T23:59:59.000Z

    A thermoelectric power generator is disclosed for use to generate electrical power from heat, typically waste heat. An intermediate heat transfer loop forms a part of the system to permit added control and adjustability in the system. This allows the thermoelectric power generator to more effectively and efficiently generate power in the face of dynamically varying temperatures and heat flux conditions, such as where the heat source is the exhaust of an automobile, or any other heat source with dynamic temperature and heat flux conditions.

  6. Integration of Demand Side Management, Distributed Generation...

    Open Energy Info (EERE)

    integration of energy efficiency, distributed generation, renewable energy resources and energy storage technologies, both locally and globally, to maximize the value of the...

  7. Integration of Demand Side Management, Distributed Generation...

    Open Energy Info (EERE)

    generation, smart grid and energy storage. Annex 9 is a list of pilot programs and case studies, with links to those resources. References Retrieved from "http:...

  8. Generation IV International Forum Updates Technology Roadmap...

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

    Updates Technology Roadmap and Builds Future Collaboration Generation IV International Forum Updates Technology Roadmap and Builds Future Collaboration December 31, 2013 - 12:14pm...

  9. Thermoelectric Generator (TEG) Fuel Displacement Potential using...

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

    (TEG) Fuel Displacement Potential using Engine-in-the-Loop and Simulation Thermoelectric Generator (TEG) Fuel Displacement Potential using Engine-in-the-Loop and Simulation...

  10. Generation of graph-state streams

    E-Print Network [OSTI]

    Daniel Ballester; Jaeyoon Cho; M. S. Kim

    2010-12-08T23:59:59.000Z

    We propose a protocol to generate a stream of mobile qubits in a graph state through a single stationary parent qubit and discuss two types of its physical implementation, namely, the generation of photonic graph states through an atom-like qubit and those of flying atoms through a cavity-mode photonic qubit. The generated graph states fall into an important class that can hugely reduce the resource requirement of fault-tolerant linear optics quantum computation, which was previously known to be far from realistic. In regard to the flying atoms, we also propose a heralded generation scheme, which allows for high-fidelity graph states even under the photon loss.

  11. Next-Generation Thermionic Solar Energy Conversion

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

    which, when used as a topping cycle in concentrated solar thermal electricity generation, can enable system efficiencies in excess of 50%. Innovation: Through the novel...

  12. Optimization Online - Dynamic Generation of Scenario Trees

    E-Print Network [OSTI]

    G. Ch. Pflug

    2014-09-03T23:59:59.000Z

    Sep 3, 2014 ... Abstract: We present new algorithms for the dynamic generation of scenario trees for multistage stochastic optimization. The different methods ...

  13. c.weber@fias.unifrankfurt.de Generative,

    E-Print Network [OSTI]

    Weber, Cornelius

    Intrinsic Plasticity in a Generative Model of V1 Cornelius Weber & Jochen Triesch Frankfurt Institute for Advanced Studies, Johann Wolfgang Goethe University Frankfurt. Email: c.weber

  14. Policymakers' Guidebook for Geothermal Electricity Generation (Brochure)

    SciTech Connect (OSTI)

    Not Available

    2011-02-01T23:59:59.000Z

    This document provides an overview of the NREL Geothermal Policymakers' Guidebook for Electricity Generation with information directing people to the Web site for more in-depth information.

  15. NREL: Technology Deployment - Distributed Generation Interconnection...

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

    Distributed Generation Interconnection Collaborative Become a Member DGIC members are included in quarterly informational meetings and discussions related to distributed PV...

  16. Eastern Renewable Generation Integration Study (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2014-02-01T23:59:59.000Z

    This one-page, two-sided fact sheet provides an overview of the Eastern Renewable Generation and Integration Study process.

  17. Geothermal: Sponsored by OSTI -- Geothermal Power Generation...

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

    Power Generation - A Primer on Low-Temperature, Small-Scale Applications Geothermal Technologies Legacy Collection HelpFAQ | Site Map | Contact Us HomeBasic Search About...

  18. Distributed Generation Operational Reliability and Availability...

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

    Reliability and Availability Database, Final Report, January 2004 Distributed Generation Operational Reliability and Availability Database, Final Report, January 2004 This final...

  19. Fuel dissipater for pressurized fuel cell generators

    DOE Patents [OSTI]

    Basel, Richard A.; King, John E.

    2003-11-04T23:59:59.000Z

    An apparatus and method are disclosed for eliminating the chemical energy of fuel remaining in a pressurized fuel cell generator (10) when the electrical power output of the fuel cell generator is terminated during transient operation, such as a shutdown; where, two electrically resistive elements (two of 28, 53, 54, 55) at least one of which is connected in parallel, in association with contactors (26, 57, 58, 59), a multi-point settable sensor relay (23) and a circuit breaker (24), are automatically connected across the fuel cell generator terminals (21, 22) at two or more contact points, in order to draw current, thereby depleting the fuel inventory in the generator.

  20. COMBUSTION-GENERATED INDOOR AIR POLLUTION

    E-Print Network [OSTI]

    Hollowell, C.D.

    2010-01-01T23:59:59.000Z

    The Status of Indoor Air Pollution Research 1976. GeometNovakov, T. : Formation of Pollution Particulate NitrogenGENERATED INDOOR AIR POLLUTION Dr. C. D. Hollowell, Dr. R.

  1. Sandia National Laboratories: next generation energy technology

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

    next generation energy technology SWiFT Commissioned to Study Wind Farm Optimization On July 29, 2013, in Energy, Facilities, News, News & Events, Partnership, Renewable Energy,...

  2. NEXT GENERATION NUCLEAR PLANT PROJECT IMPLEMENTATION STRATEGY

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

    include steam turbine generators, steam turbine mechanical drives, process steam, process heat exchangers and reactors, district energy systems, and thermal desalination processes....

  3. Skutterudite Thermoelectric Generator For Automotive Waste Heat...

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

    Skutterudite Thermoelectric Generator For Automotive Waste Heat Recovery Gregory P. Meisner General Motors Global Research & Development March 21, 2012 3rd Thermoelectric...

  4. Sandia National Laboratories: economically competitive next generation...

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

    economically competitive next generation biofuels JBEI Updates Techno-Economic Modeling Tools for Biofuels On September 18, 2013, in Biofuels, Biomass, Computational Modeling &...

  5. Nanostructured Materials for Energy Generation and Storage

    E-Print Network [OSTI]

    Khan, Javed Miller

    2012-01-01T23:59:59.000Z

    for Electrochemical Energy Storage Nanostructured ElectrodesCells for Energy Storage and Generation . . . . . . . . . .batteries and their energy storage efficiency. vii Contents

  6. Thermoelectric Generator Development for Automotive Waste Heat...

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

    for Automotive Waste Heat Recovery Thermoelectric Generator Development for Automotive Waste Heat Recovery Presentation given at the 16th Directions in Engine-Efficiency and...

  7. Utility Generation and Clean Coal Technology (Indiana)

    Broader source: Energy.gov [DOE]

    This statute establishes the state's support and incentives for the development of new energy production and generating facilities implementing advanced clean coal technology, such as coal...

  8. Sandia National Laboratories: Ivanpah Solar Electric Generating...

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

    Electric Generating System Sandia Report Presents Analysis of Glare Impacts of Ivanpah Solar Power Site On August 7, 2014, in Concentrating Solar Power, Energy, News, News &...

  9. Behavior of Capstone and Honeywell microturbine generators during load changes

    E-Print Network [OSTI]

    Yinger, Robert J.

    2001-01-01T23:59:59.000Z

    Capstone and Honeywell Microturbine Generators During Loadof the behavior of two microturbine generators (MTGs) underof the behavior of two microturbine generators (MTGs) under

  10. Computational Needs for the Next Generation Electric Grid Proceedings

    E-Print Network [OSTI]

    Birman, Kenneth

    2012-01-01T23:59:59.000Z

    Scale  Integration  of  Wind  Generation Including Network Scale  Integration  of  Wind  Generation Including Network with Large  Penetration of Wind Generation: Wind energy is 

  11. Fact #844: October 27, 2014 Electricity Generated from Coal has...

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

    4: October 27, 2014 Electricity Generated from Coal has Declined while Generation from Natural Gas has Grown Fact 844: October 27, 2014 Electricity Generated from Coal has...

  12. analogue signal generator: Topics by E-print Network

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

    Generator Configuration Guide This guide is intended to assist you with the ordering process of the PSG vector signal generators. 12;2 Agilent PSG Vector Signal Generator...

  13. analogue signal generation: Topics by E-print Network

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

    Generator Configuration Guide This guide is intended to assist you with the ordering process of the PSG vector signal generators. 12;2 Agilent PSG Vector Signal Generator...

  14. Distributed Generation Dispatch Optimization under Various Electricity Tariffs

    E-Print Network [OSTI]

    Firestone, Ryan; Marnay, Chris

    2007-01-01T23:59:59.000Z

    LBNL-54447. Distributed Generation Dispatch OptimizationA Business Case for On-Site Generation: The BD Biosciencesrelated work. Distributed Generation Dispatch Optimization

  15. Distributed Generation Investment by a Microgrid Under Uncertainty

    E-Print Network [OSTI]

    Siddiqui, Afzal; Marnay, Chris

    2006-01-01T23:59:59.000Z

    option on natural gas generation, which increases in valueL ABORATORY Distributed Generation Investment by a MicrogridORMMES’06 Distributed Generation Investment by a Microgrid

  16. Next-Generation Thermionic Solar Energy Conversion | Department...

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

    Next-Generation Thermionic Solar Energy Conversion Next-Generation Thermionic Solar Energy Conversion This fact sheet describes a next-generation thermionic solar energy conversion...

  17. 2n-Dimensional Models with Topological Mass Generation

    E-Print Network [OSTI]

    Shinichi Deguchi; Satoshi Hayakawa

    2008-02-06T23:59:59.000Z

    The 4-dimensional model with topological mass generation that has recently been presented by Dvali, Jackiw and Pi [G. Dvali, R. Jackiw, and S.-Y. Pi, Phys. Rev. Lett. 96, 081602 (2006), hep-th/0610228] is generalized to any even number of dimensions. As in the 4-dimensional model, the 2n-dimensional model describes a mass-generation phenomenon due to the presence of the chiral anomaly. In addition to this model, new 2n-dimensional models with topological mass generation are proposed, in which a Stueckelberg-type mass term plays a crucial role in the mass generation. The mass generation of a pseudoscalar field such as the eta-prime meson is discussed within this framework.

  18. Microgrids: distributed on-site generation

    E-Print Network [OSTI]

    Watson, Andrew

    : · Diversity of the load profile as a function of microgrid size; · Feasibility of accurate control of bothMicrogrids: distributed on-site generation Suleiman Abu-Sharkh, Rachel Li, Tom Markvart, Neil Ross for Climate Change Research Technical Report 22 #12;1 Microgrids: distributed on-site generation Tyndall

  19. Bioaugmentation for Electricity Generation from Corn Stover

    E-Print Network [OSTI]

    that it is possible to directly generate electricity from waste corn stover in MFCs through bioaugmentation using of an MFC, bacteria break down organic matter and release electrons to the electrode. Most MFC tests used by Zuo et al., 501 ( 20 mW/m2 was generated from a paper recycling wastewater containing cellulose

  20. Generating Beta Variates Via Patchwork Rejection \\Lambda

    E-Print Network [OSTI]

    Stadlober, Ernst

    Generating Beta Variates Via Patchwork Rejection \\Lambda H. Zechner and E. Stadlober, Graz --- Zusammenfassung Generating Beta Variates Via Patchwork Rejection. A new algorithm for sampling from beta(p; q deviates can often be accepted immediately, so that much fewer than two uniforms are needed for one beta

  1. Using closures for code generation Marc Feeley

    E-Print Network [OSTI]

    Feeley, Marc

    which offers the advantages of an interpreter with the speed of compiled code. Code generation relies - environment (i.e. the set of current variable bindings). This operation is called closure. We speakUsing closures for code generation Marc Feeley Guy Lapalme D´epartement d'informatique et de

  2. Automatic Generation and Maintenance of Correct Spreadsheets

    E-Print Network [OSTI]

    Erwig, Martin

    of "spreadsheet maintenance safety": Up- date operations that are generated from a type-correct tem- plateAutomatic Generation and Maintenance of Correct Spreadsheets Martin Erwig School of EECS Oregon descriptors: D.2.2 [Software Engineering]: Design Tools and Techniques; D.2.7 [Soft- ware Engineering

  3. PID Generator Markus Wagner, Jutta Moormann

    E-Print Network [OSTI]

    Pommerening, Klaus - Institute of Medical Biostatistics, Epidemiology, and Informatics & Fachbereich 08

    PID Generator Manual Markus Wagner, Jutta Moormann Institute for Medical Biometry, Epidemiology and Informatics University of Mainz moormann@imbei.uni-mainz.de January 7, 2005 #12;1 Introduction The PID as well as for the generation and assignment of Personal Identifiers (PIDs) to individuals that belongs

  4. Universal Microfluidic Gradient Generator Daniel Irimia1

    E-Print Network [OSTI]

    Geba, Dan-Andrei

    Universal Microfluidic Gradient Generator Daniel Irimia1 , Dan A Geba2 , Mehmet Toner1 1 Bio, Building 114, 16th St, Charlestown, MA 02129. Email: mtoner@hms.harvard.edu Keywords: microfluidics cells in vitro. While microfluidic devices have shown unmatched capability in generating linear stable

  5. Automatic Control Flow Generation from Software Architectures

    E-Print Network [OSTI]

    Lau, Kung-Kiu

    -time automatically. To achieve this we take a different approach to system construction. We take control out.-K. Lau and V. Ukis generic connectors, and generate control flow of the system automatically at run in different systems with different control flows. Our automatic runtime control flow generation not only

  6. High reliability low jitter pulse generator

    DOE Patents [OSTI]

    Savage, Mark E.; Stoltzfus, Brian S.

    2013-01-01T23:59:59.000Z

    A method and concomitant apparatus for generating pulses comprising providing a laser light source, disposing a voltage electrode between ground electrodes, generating laser sparks using the laser light source via laser spark gaps between the voltage electrode and the ground electrodes, and outputting pulses via one or more insulated ground connectors connected to the voltage electrode.

  7. Spatial Process Generation Dirk P. Kroese

    E-Print Network [OSTI]

    Kroese, Dirk P.

    Spatial Process Generation Dirk P. Kroese Zdravko I. Botev 1 Introduction Spatial processes the understanding of spatial processes. The aim of this chapter is to give an overview of the main types of spatial processes, and show how to generate them using a computer. From a mathematical point of view, a spatial

  8. Leucascandrolide A: A Second Generation Formal Synthesis

    E-Print Network [OSTI]

    Williams, David R.

    Leucascandrolide A: A Second Generation Formal Synthesis David R. Williams,* Samarjit Patnaik, Indiana 47405-7102 williamd@indiana.edu Received October 23, 2003 ABSTRACT A convergent, second generation formal synthesis of (+)-Leucascandrolide A (1) has been efficiently achieved by providing a flexible

  9. Gas Generation from Actinide Oxide Materials

    SciTech Connect (OSTI)

    George Bailey; Elizabeth Bluhm; John Lyman; Richard Mason; Mark Paffett; Gary Polansky; G. D. Roberson; Martin Sherman; Kirk Veirs; Laura Worl

    2000-12-01T23:59:59.000Z

    This document captures relevant work performed in support of stabilization, packaging, and long term storage of plutonium metals and oxides. It concentrates on the issue of gas generation with specific emphasis on gas pressure and composition. Even more specifically, it summarizes the basis for asserting that materials loaded into a 3013 container according to the requirements of the 3013 Standard (DOE-STD-3013-2000) cannot exceed the container design pressure within the time frames or environmental conditions of either storage or transportation. Presently, materials stabilized and packaged according to the 3013 Standard are to be transported in certified packages (the certification process for the 9975 and the SAFKEG has yet to be completed) that do not rely on the containment capabilities of the 3013 container. Even though no reliance is placed on that container, this document shows that it is highly likely that the containment function will be maintained not only in storage but also during transportation, including hypothetical accident conditions. Further, this document, by summarizing materials-related data on gas generation, can point those involved in preparing Safety Analysis Reports for Packages (SARPs) to additional information needed to assess the ability of the primary containment vessel to contain the contents and any reaction products that might reasonably be produced by the contents.

  10. Two Dimensional Polymer That Generates Nitric Oxide.

    DOE Patents [OSTI]

    McDonald, William F. (Utica, OH); Koren, Amy B. (Lansing, MI)

    2005-10-04T23:59:59.000Z

    A polymeric composition that generates nitric oxide and a process for rendering the surface of a substrate nonthrombogenic by applying a coating of the polymeric composition to the substrate are disclosed. The composition comprises: (1) a crosslinked chemical combination of (i) a polymer having amino group-containing side chains along a backbone forming the polymer, and (ii) a crosslinking agent containing functional groups capable of reacting with the amino groups; and (2) a plurality of nitric oxide generating functional groups associated with the crosslinked chemical combination. Once exposed to a physiological environment, the coating generates nitric oxide thereby inhibiting platelet aggregation. In one embodiment, the nitric oxide generating functional groups are provided by a nitrated compound (e.g., nitrocellulose) imbedded in the polymeric composition. In another embodiment, the nitric oxide generating functional groups comprise N2O2- groups covalently bonded to amino groups on the polymer.

  11. Circumferential cracking of steam generator tubes

    SciTech Connect (OSTI)

    Karwoski, K.J.

    1997-04-01T23:59:59.000Z

    On April 28, 1995, the U.S. Nuclear Regulatory Commission (NRC) issued Generic Letter (GL) 95-03, {open_quote}Circumferential Cracking of Steam Generator Tubes.{close_quote} GL 95-03 was issued to obtain information needed to verify licensee compliance with existing regulatory requirements regarding the integrity of steam generator tubes in domestic pressurized-water reactors (PWRs). This report briefly describes the design and function of domestic steam generators and summarizes the staff`s assessment of the responses to GL 95-03. The report concludes with several observations related to steam generator operating experience. This report is intended to be representative of significant operating experience pertaining to circumferential cracking of steam generator tubes from April 1995 through December 1996. Operating experience prior to April 1995 is discussed throughout the report, as necessary, for completeness.

  12. Rotating electrical machines - Part 22: AC generators for reciprocating internal combustion (RIC) engine driven generating sets

    E-Print Network [OSTI]

    International Electrotechnical Commission. Geneva

    1996-01-01T23:59:59.000Z

    Establishes the principal characteristics of a.c. generators under the control of their voltage regulators when used for reciprocating internal combustion engine driven generating sets. Supplements the requirements given in IEC 60034-1.

  13. EIS-0362: Colorado Springs Utilities' Next Generation CFB Coal Generating Unit, CO

    Broader source: Energy.gov [DOE]

    This EIS analyzes DOE's decision to approve Colorado Springs Utilities design, construction, and operation of their Next- Generation Circulating Fluidized Bed (CFB) Coal Generating Unit demonstration plant near Fountain, El Paso County, Colorado.

  14. Manufacture of thermoelectric generator structures by fiber drawing

    DOE Patents [OSTI]

    McIntyre, Timothy J; Simpson, John T; West, David L

    2014-11-18T23:59:59.000Z

    Methods of manufacturing a thermoelectric generator via fiber drawing and corresponding or associated thermoelectric generator devices are provided.

  15. Thermal Strategies for High Efficiency Thermoelectric Power Generation...

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

    Strategies for High Efficiency Thermoelectric Power Generation Thermal Strategies for High Efficiency Thermoelectric Power Generation Developing integrated TE system configurations...

  16. power generAtion College of Rural and Community Development

    E-Print Network [OSTI]

    Hartman, Chris

    to Power Generation: Maintenance.......4 PGEN F104--Gas and Steam Turbines; Co-Generation and Combined

  17. Recovery of strontium activity from a strontium-82/rubidium-82 generator

    DOE Patents [OSTI]

    Taylor, Wayne A. (Los Alamos, NM); Phillips, Dennis R. (Los Alamos, NM); Sosnowski, Kenneth M. (Freehold Township, NJ)

    1999-10-12T23:59:59.000Z

    Strontium-82 is recovered from spent strontium-82/rubidium-82 generators to provide a source of strontium-82 for additional strontium-82/rubidium-82 generators. The process involves stripping of the strontium-82 from used strontium-82/rubidium-82 generators followed by purification of the strontium-82 material to remove additional metal contaminants to desired levels.

  18. Technical Manual for the SAM Biomass Power Generation Model

    SciTech Connect (OSTI)

    Jorgenson, J.; Gilman, P.; Dobos, A.

    2011-09-01T23:59:59.000Z

    This technical manual provides context for the implementation of the biomass electric power generation performance model in the National Renewable Energy Laboratory's (NREL's) System Advisor Model (SAM). Additionally, the report details the engineering and scientific principles behind the underlying calculations in the model. The framework established in this manual is designed to give users a complete understanding of behind-the-scenes calculations and the results generated.

  19. Fact #844: October 27, 2014 Electricity Generated from Coal has Declined while Generation from Natural Gas has Grown – Dataset

    Broader source: Energy.gov [DOE]

    Excel file with dataset for Fact #844: Electricity Generated from Coal has Declined while Generation from Natural Gas has Grown

  20. Short rise time intense electron beam generator

    DOE Patents [OSTI]

    Olson, Craig L. (Albuquerque, NM)

    1987-01-01T23:59:59.000Z

    A generator for producing an intense relativistic electron beam having a subnanosecond current rise time includes a conventional generator of intense relativistic electrons feeding into a short electrically conductive drift tube including a cavity containing a working gas at a low enough pressure to prevent the input beam from significantly ionizing the working gas. Ionizing means such as a laser simultaneously ionize the entire volume of working gas in the cavity to generate an output beam having a rise time less than one nanosecond.

  1. Short rise time intense electron beam generator

    DOE Patents [OSTI]

    Olson, C.L.

    1984-03-16T23:59:59.000Z

    A generator for producing an intense relativisitc electron beam having a subnanosecond current rise time includes a conventional generator of intense relativistic electrons feeding into a short electrically conductive drift tube including a cavity containing a working gas at a low enough pressure to prevent the input beam from significantly ionizing the working gas. Ionizing means such as a laser simultaneously ionize the entire volume of working gas in the cavity to generate an output beam having a rise time less than one nanosecond.

  2. Prime number generation and factor elimination

    E-Print Network [OSTI]

    Vineet Kumar

    2014-10-06T23:59:59.000Z

    We have presented a multivariate polynomial function termed as factor elimination function,by which, we can generate prime numbers. This function's mapping behavior can explain the irregularities in the occurrence of prime numbers on the number line. Generally the different categories of prime numbers found till date, satisfy the form of this function. We present some absolute and probabilistic conditions for the primality of the number generated by this method. This function is capable of leading to highly efficient algorithms for generating prime numbers.

  3. Entropy generation in a chemical reaction

    E-Print Network [OSTI]

    E. N. Miranda

    2012-08-10T23:59:59.000Z

    Entropy generation in a chemical reaction is analyzed without using the general formalism of non-equilibrium thermodynamics at a level adequate for advanced undergraduates. In a first approach to the problem, the phenomenological kinetic equation of an elementary first order reaction is used to show that entropy production is always positive. A second approach assumes that the reaction is near equilibrium to prove that the entropy generated is always greater than zero, without any reference to the kinetics of the reaction. Finally, it is shown that entropy generation is related to fluctuations in the number of particles at equilibrium, i.e. it is associated to a microscopic process.

  4. Extended core for motor/generator

    DOE Patents [OSTI]

    Shoykhet, Boris A.

    2005-05-10T23:59:59.000Z

    An extended stator core in a motor/generator can be utilized to mitigate losses in end regions of the core and a frame of the motor/generator. To mitigate the losses, the stator core can be extended to a length substantially equivalent to or greater than a length of a magnetically active portion in the rotor. Alternatively, a conventional length stator core can be utilized with a shortened magnetically active portion to mitigate losses in the motor/generator. To mitigate the losses in the core caused by stator winding, the core can be extended to a length substantially equivalent or greater than a length of stator winding.

  5. Extended core for motor/generator

    DOE Patents [OSTI]

    Shoykhet, Boris A.

    2006-08-22T23:59:59.000Z

    An extended stator core in a motor/generator can be utilized to mitigate losses in end regions of the core and a frame of the motor/generator. To mitigate the losses, the stator core can be extended to a length substantially equivalent to or greater than a length of a magnetically active portion in the rotor. Alternatively, a conventional length stator core can be utilized with a shortened magnetically active portion to mitigate losses in the motor/generator. To mitigate the losses in the core caused by stator winding, the core can be extended to a length substantially equivalent or greater than a length of stator winding.

  6. Generating Synthetic Pitch Contours Using Prosodic Structure. 

    E-Print Network [OSTI]

    Clark, Robert A J

    This thesis addresses the problem of generating a range of natural sounding pitch contours for speech synthesis to convey the specific meanings of different intonation patterns. Where other models can synthesise intonation ...

  7. Electric Power Generation and Transmission (Iowa)

    Broader source: Energy.gov [DOE]

    Electric power generating facilities with a combined capacity greater than 25 MW, as well as associated transmission lines, may not be constructed or begin operation prior to the issuance of a...

  8. Wholesale marginal prices in competitive generation markets

    SciTech Connect (OSTI)

    Perez-Arriaga, I.J. [National Electric Regulatory Commission, Madrid (Spain)] [National Electric Regulatory Commission, Madrid (Spain); Meseguer, C. [Univ. Pontificia Comillas, Madrid (Spain). Inst. de Investigacion Tecnologica] [Univ. Pontificia Comillas, Madrid (Spain). Inst. de Investigacion Tecnologica

    1997-05-01T23:59:59.000Z

    Wholesale marginal electricity prices are being used in several actual competitive generation markets worldwide, both to remunerate generators and to charge consumption. These prices must account not only for energy, but also for guarantee of supply in the long and the short term. This paper: (a) provides a sound conceptual and quantitative foundation for wholesale pricing based on generation services, where any existing restrictions in operation or planning in real power markets are accounted for, (b) clearly establishes the relationship between short term marginal costs, long term marginal costs and optimal wholesale electricity prices, and (c) identifies the reasons for mismatches in cost recovery with marginal generation prices. The theoretical results are verified with a detailed realistic power system model.

  9. Abatement of Air Pollution: Distributed Generators (Connecticut)

    Broader source: Energy.gov [DOE]

    For the purpose of these regulations, a distributed generator is defined as any equipment that converts primary fuel, including fossil fuel and renewable fuel, into electricity or electricity and...

  10. COMBUSTION-GENERATED INDOOR AIR POLLUTION

    E-Print Network [OSTI]

    Hollowell, C.D.

    2010-01-01T23:59:59.000Z

    x A Emission Characteristics in Two Stage Combustion. PaperInternational) on Combustion, Tokyo (August, 1974). Chang,fll , J I ___F J "J LBL-S9lS COMBUSTION-GENERATED INDOOR AIR

  11. CASE CRITICAL The Navajo Generating Station

    E-Print Network [OSTI]

    Hall, Sharon J.

    Republic The Navajo Generating Station, the largest coal-fired power plant in the West, provides electrical-old plant, Arizona's largest single source of carbon pollution, needs to update its pollution controls. Join

  12. Exemption from Electric Generation Tax (Connecticut)

    Broader source: Energy.gov [DOE]

    In 2011, Connecticut created a new tax requiring electric power plants in the state that generate and upload electricity to the regional bulk power grid to pay $2.50 per megawatt hour. Renewable...

  13. Solar steam generation by heat localization

    E-Print Network [OSTI]

    Ghasemi, Hadi

    Currently, steam generation using solar energy is based on heating bulk liquid to high temperatures. This approach requires either costly high optical concentrations leading to heat loss by the hot bulk liquid and heated ...

  14. Modeling of concentrating solar thermoelectric generators

    E-Print Network [OSTI]

    Ren, Zhifeng

    The conversion of solar power into electricity is dominated by non-concentrating photovoltaics and concentrating solar thermal systems. Recently, it has been shown that solar thermoelectric generators (STEGs) are a viable ...

  15. Renewable Energy Generation Zone Property Tax Abatement

    Broader source: Energy.gov [DOE]

    Local areas in Mimssouri can be designated as Renewable Energy Generation Zones and receive property tax abatements as part of the Enhanced Enterprise Zone program. Legislation (H.B. 737) enacted...

  16. Renewable Electricity Generation in the United States

    E-Print Network [OSTI]

    Schmalensee, Richard

    This paper provides an overview of the use of renewable energy sources to generate electricity in the United States and a critical analysis of the federal and state policies that have supported the deployment of renewable ...

  17. Automated gait generation based on traditional animation

    E-Print Network [OSTI]

    Lee, Sung Hwa

    2005-08-29T23:59:59.000Z

    This thesis describes the development of a tool to assist animators in doing walk cycles. In traditional animation, animators create expressive walk cycles with key poses. The process of generating walk cycles by hand is tedious and repetitive...

  18. Wind Generation Feasibility Study in Bethel, AK

    SciTech Connect (OSTI)

    Tom Humphrey, YKHC; Lance Kincaid, EMCOR Energy & Technologies

    2004-07-31T23:59:59.000Z

    This report studies the wind resources in the Yukon-Kuskokwim Health Corporation (YKHC) region, located in southwestern Alaska, and the applicability of wind generation technologies to YKHC facilities.

  19. An evolutionary algorithm approach to poetry generation 

    E-Print Network [OSTI]

    Manurung, Hisar

    Poetry is a unique artifact of the human language faculty, with its defining feature being a strong unity between content and form. Contrary to the opinion that the automatic generation of poetry is a relatively easy ...

  20. Shell Hoop Prestress Generated by Welding

    E-Print Network [OSTI]

    Meuser, R.B.

    2011-01-01T23:59:59.000Z

    can be generated by the welding process. The data are notagainst the yoke for welding. TEST SETUP Annealed Type 304in two passes using TIG welding. After strain measurements

  1. CEDAR: tools for event generator tuning

    E-Print Network [OSTI]

    Andy Buckley

    2007-08-30T23:59:59.000Z

    I describe the work of the CEDAR collaboration in developing tools for tuning and validating Monte Carlo event generator programs. The core CEDAR task is to interface the Durham HepData database of experimental measurements to event generator validation tools such as the UCL JetWeb system - this has necessitated the migration of HepData to a new relational database system and a Java-based interaction model. The "number crunching" part of JetWeb is also being upgraded, from the Fortran HZTool library to the new C++ Rivet system and a generator interfacing layer named RivetGun. Finally, I describe how Rivet is already being used as a central part of a new generator tuning system, and summarise two other CEDAR activities, HepML and HepForge.

  2. Mitotic force generators and chromosome segregation

    E-Print Network [OSTI]

    Civelekoglu-Scholey, Gul; Scholey, Jonathan M.

    2010-01-01T23:59:59.000Z

    generation within the spin- dle. Curr Opin Cell Biol. doi:studies of the mitotic spin- dle. I. The demonstration ofstatic in bipolar spin- dles relative to tubulin: evidence

  3. The Economics of Steam Electric Generation

    E-Print Network [OSTI]

    Ophaug, R. A.; Birget, C. D.

    1980-01-01T23:59:59.000Z

    The economics of combining steam and electric generation for companies requiring both steam and electric services develop a challenge which few engineers and economists can realize. This paper outlines the general approach to this challenge...

  4. Review of Variable Generation Integration Charges

    SciTech Connect (OSTI)

    Porter, K.; Fink, S.; Buckley, M.; Rogers, J.; Hodge, B. M.

    2013-03-01T23:59:59.000Z

    The growth of wind and solar generation in the United States, and the expectation of continued growth of these technologies, dictates that the future power system will be operated in a somewhat different manner because of increased variability and uncertainty. A small number of balancing authorities have attempted to determine an 'integration cost' to account for these changes to their current operating practices. Some balancing authorities directly charge wind and solar generators for integration charges, whereas others add integration charges to projected costs of wind and solar in integrated resource plans or in competitive solicitations for generation. This report reviews the balancing authorities that have calculated variable generation integration charges and broadly compares and contrasts the methodologies they used to determine their specific integration charges. The report also profiles each balancing authority and how they derived wind and solar integration charges.

  5. Hardware model of a shipboard generator

    E-Print Network [OSTI]

    Elkins, Gregory L. (Gregory Lewis)

    2009-01-01T23:59:59.000Z

    A hardware model of the Gas Turbine Generator (GTG) in use on the US Navy's DDG-51 Class Destroyer is constructed for use as a lab apparatus at the Massachusetts Institute of Technology's Laboratory for Electromagnetic and ...

  6. Next-generation information systems for genomics 

    E-Print Network [OSTI]

    Mungall, Christopher

    2011-06-27T23:59:59.000Z

    The advent of next-generation sequencing technologies is transforming biology by enabling individual researchers to sequence the genomes of individual organisms or cells on a massive scale. In order to realize the ...

  7. Next-Generation Thermionic Solar Energy Conversion

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

    research team is using device and system modeling to design and test a next-generation solar- thermal energy converter proof-of-concept that is capable of >15%...

  8. Modeling Operational Constraints imposed by Renewable Generation

    E-Print Network [OSTI]

    Daniels, Thomas E.

    4 #12;Operational effects into NETPLAN G LX L T R 5 #12;Effect of Wind on Load Following 10 min, that include: Regulation, Intra-hour and inter-hour load following, Contingency reserves, Generation cycling

  9. Entropy Generation Analysis of Desalination Technologies

    E-Print Network [OSTI]

    Mistry, Karan Hemant

    Increasing global demand for fresh water is driving the development and implementation of a wide variety of seawater desalination technologies. Entropy generation analysis, and specifically, Second Law efficiency, is an ...

  10. Next Generation Luminaires Design Competition Announces 2013...

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

    2013 winners in the outdoor category of the Next Generation LuminairesTM Solid-State Lighting Design Competition were announced at the Strategies in Light conference in Santa...

  11. Electrical Generation Tax Reform Act (Montana)

    Broader source: Energy.gov [DOE]

    This Act reforms taxes paid by electricity generators to reduce tax rates and imposes replacement taxes in response to the 1997 restructuring of the Montana electric utility industry that allows...

  12. Generation of RTL verification input stimulus

    E-Print Network [OSTI]

    Selvarathinam, Anand Manivannan

    2001-01-01T23:59:59.000Z

    This thesis presents an approach for generating input stimulus for verification of register-transfer level (RTL) design of VLSI circuits. RTL design is often subjected to a significant verification effort due to errors introduced during manual...

  13. Chaotic generation of pseudo-random numbers

    E-Print Network [OSTI]

    Dornbusch, Andrew Wesley

    1999-01-01T23:59:59.000Z

    Generation of repeatable pseudo-random sequences with chaotic analog electronics is not feasible using standard circuit topologies. Component variation caused by imperfect fabrication causes the same divergence of output sequences as does varying...

  14. Voltage controlled MESFET pulse shape generator

    SciTech Connect (OSTI)

    Burkhart, S.C.

    1994-10-26T23:59:59.000Z

    A programmable pulse shape generator capable of producing pulse shapes for Nova and Beamlet has been designed and simulated using the circuit code SPICE. The design utilizes power MESFETS, which are commonly used in microwave amplifiers. The pulse shape is varied by setting a bias voltage on each in a chain of MESFETS with a 200 ps temporal resolution. The electrical pulse then drives an integrated electro-optic modulator similar to what is on Beamlet. Pulse shapes 22 and 25, used on Nova, have been generated by this design. There is no fundamental barrier to making such a pulse generator for use on the National Ignition Facility. In fact, the longer time scales on the NIF pulse will ease the high speed requirements of the pulse shape generator allowing the use of less expensive components. The next step will be to build a prototype circuit for initial testing on Beamlet and Nova.

  15. Distributed generation - the fuel processing example

    SciTech Connect (OSTI)

    Victor, R.A. [Praxair, Inc., Tonawanda, NY (United States); Farris, P.J.; Maston, V. [International Fuel Cells Corp., South Windsor, CT (United States)

    1996-12-31T23:59:59.000Z

    The increased costs of transportation and distribution are leading many commercial and industrial firms to consider the on-site generation for energy and other commodities used in their facilities. This trend has been accelerated by the development of compact, efficient processes for converting basic raw materials into finished services at the distributed sites. Distributed generation with the PC25{trademark} fuel cell power plant is providing a new cost effective technology to meet building electric and thermal needs. Small compact on-site separator systems are providing nitrogen and oxygen to many industrial users of these gases. The adaptation of the fuel processing section of the PC25 power plant for on-site hydrogen generation at industrial sites extends distributed generation benefits to the users of industrial hydrogen.

  16. Voltage Management of Networks with Distributed Generation

    E-Print Network [OSTI]

    O'Donnell, James

    2008-01-01T23:59:59.000Z

    At present there is much debate about the impacts and benefits of increasing the amount of generation connected to the low voltage areas of the electricity distribution network. The UK government is under political ...

  17. Microfluidic Actuation Using Electrochemically Generated Bubbles

    E-Print Network [OSTI]

    Sachs, Frederick

    Microfluidic Actuation Using Electrochemically Generated Bubbles Susan Z. Hua,*, Frederick Sachs, Buffalo, New York 14260 Bubble-based actuation in microfluidic applications is attractive owing closing) rate increases with applied voltage, small microfluidic dimensions accelerate bubble deflation

  18. Co-Clustering with Generative Models

    E-Print Network [OSTI]

    Golland, Polina

    2009-11-03T23:59:59.000Z

    In this paper, we present a generative model for co-clustering and develop algorithms based on the mean field approximation for the corresponding modeling problem. These algorithms can be viewed as generalizations of the ...

  19. Utility Variable Generation Integration Group Fall Technical...

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

    15, 2014 9:00AM CDT to October 17, 2014 3:00PM CDT The Utility Variable Generation Integration Group (UVIG) Fall Technical Workshop in San Antonio, Texas will provide attendees...

  20. Cascading Closed Loop Cycle Power Generation

    E-Print Network [OSTI]

    Romero, M.

    2008-01-01T23:59:59.000Z

    the combustion of fossil fuels. The WOWGen® power plant inherently reduces emissions and Greenhouse Gases (GHG) by producing power from waste heat without consuming fuel, thus increasing the overall energy efficiency of any industrial plant or power generation...

  1. Coal Gasification for Power Generation, 3. edition

    SciTech Connect (OSTI)

    NONE

    2007-11-15T23:59:59.000Z

    The report provides a concise look at the challenges faced by coal-fired generation, the ability of coal gasification to address these challenges, and the current state of IGCC power generation. Topics covered include: an overview of Coal Generation including its history, the current market environment, and the status of coal gasification; a description of gasification technology including processes and systems; an analysis of the key business factors that are driving increased interest in coal gasification; an analysis of the barriers that are hindering the implementation of coal gasification projects; a discussion of Integrated Gasification Combined Cycle (IGCC) technology; an evaluation of IGCC versus other generation technologies; a discussion of IGCC project development options; a discussion of the key government initiatives supporting IGCC development; profiles of the key gasification technology companies participating in the IGCC market; and, a detailed description of existing and planned coal IGCC projects.

  2. Hybrid solar-fossil fuel power generation

    E-Print Network [OSTI]

    Sheu, Elysia J. (Elysia Ja-Zeng)

    2012-01-01T23:59:59.000Z

    In this thesis, a literature review of hybrid solar-fossil fuel power generation is first given with an emphasis on system integration and evaluation. Hybrid systems are defined as those which use solar energy and fuel ...

  3. Solar thermoelectrics for small scale power generation

    E-Print Network [OSTI]

    Amatya, Reja

    2012-01-01T23:59:59.000Z

    In the past two decades, there has been a surge in the research of new thermoelectric (TE) materials, driven party by the need for clean and sustainable power generation technology. Utilizing the Seebeck effect, the ...

  4. Renewable Electricity Generation Success Stories | Department...

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

    Read more water success stories Wind February 18, 2015 Mapping the Frontier of New Wind Power Potential June 17, 2014 Enhanced Efficiency of Wind-Diesel Power Generation in...

  5. Functional requirements to shape generation in CAD

    E-Print Network [OSTI]

    Chung, Jinpyung, 1967-

    2003-01-01T23:59:59.000Z

    An outstanding issue in computer-aided design (CAD) is the creation of geometric shapes from the description of functional requirements (FRs). This thesis presents a method that can generate assembled shapes from the given ...

  6. Class Generation for Numerical Wind Atlases

    E-Print Network [OSTI]

    Class Generation for Numerical Wind Atlases Risø National Laboratory Wind Energy Department and The Technical University of Denmark Informatics and Mathematical Modelling Department Nicholas J. Cutler s000144 Constructing a Numerical Wind Atlas 5 2.1 Introduction

  7. Fractal generation of textures and backgrounds

    E-Print Network [OSTI]

    Reuter, Kevin Duane

    1999-01-01T23:59:59.000Z

    FRACTAL GENERATION OF TEXTURES AND BACKGROUNDS A Thesis by KEVIN DUANE REUTER Subtnitted to the Oflice of Graduate Studies of Texas A&M University in partial fulfilhnent of the requirements for the degree of MASTER OF SCIENCE August 1999... Major Subject; Visualization Sciences FRACTAL GENERATION OF TEXTURES AND BACKGROUNDS A Thesis by KEVIN DUANE REUTER Submitted to Texas ARM University in partial fulfilhnent of the requirements for the degree of MASTER OF SCIENCE Approved...

  8. Fuel cell using a hydrogen generation system

    DOE Patents [OSTI]

    Dentinger, Paul M. (Sunol, CA); Crowell, Jeffrey A. W. (Castro Valley, CA)

    2010-10-19T23:59:59.000Z

    A system is described for storing and generating hydrogen and, in particular, a system for storing and generating hydrogen for use in an H.sub.2/O.sub.2 fuel cell. The hydrogen storage system uses beta particles from a beta particle emitting material to degrade an organic polymer material to release substantially pure hydrogen. In a preferred embodiment of the invention, beta particles from .sup.63Ni are used to release hydrogen from linear polyethylene.

  9. Accounting for and finance of generation investment

    E-Print Network [OSTI]

    Newbery, David

    , although peak demand growth was falling. Initially the capacity margin was below the comfort level of 20% (for a coal-fired system with high growth rates). The move to larger generation units and higher efficiencies designed for higher quality UK coal... , or the electricity company faces bankruptcy, common features of the Indian ESI (Newbery, 2007). One common feature of many ESIs, and notably of generation, is that the book value of assets is far below their modern equivalent asset (MEA) replacement cost...

  10. Next-Generation Solar Collectors for CSP

    Broader source: Energy.gov [DOE]

    This fact sheet on Next-Generation Collectors for CSP highlights a solar energy program awarded through the 2012 SunShot Concentrating Solar Power R&D awards. The team is developing new solar collector base technologies for next-generation heliostats used in power tower systems. If successful, this project will result in a 50% reduction in solar field equipment cost and a 30% reduction in field installation cost compared to existing heliostat designs.

  11. Tools for event generator tuning and validation

    E-Print Network [OSTI]

    Andy Buckley

    2008-09-26T23:59:59.000Z

    I describe the current status of MCnet tools for validating the performance of event generator simulations against data, and for tuning their phenomenological free parameters. For validation, the Rivet toolkit is now a mature and complete system, with a large library of prominent benchmark analyses. For tuning, the Professor system has recently completed its first tunes of Pythia 6, with substantial improvements on the existing default tune and potential to greatly aid the setup of new generators for LHC studies.

  12. High-precision triangular-waveform generator

    DOE Patents [OSTI]

    Mueller, T.R.

    1981-11-14T23:59:59.000Z

    An ultra-linear ramp generator having separately programmable ascending and decending ramp rates and voltages is provided. Two constant current sources provide the ramp through an integrator. Switching of the current at current source inputs rather than at the integrator input eliminates switching transients and contributes to the waveform precision. The triangular waveforms produced by the waveform generator are characterized by accurate reproduction and low drift over periods of several hours. The ascending and descending slopes are independently selectable.

  13. Dual-speed wind turbine generation

    SciTech Connect (OSTI)

    Muljadi, E.; Butterfield, C.P. [National Renewable Energy Lab., Golden, CO (United States)] [National Renewable Energy Lab., Golden, CO (United States); Handman, D. [Flowind Corp., San Rafael, CA (United States)] [Flowind Corp., San Rafael, CA (United States)

    1996-10-01T23:59:59.000Z

    Induction generator has been used since the early development of utility-scale wind turbine generation. An induction generator is the generator of choice because of its ruggedness and low cost. With an induction generator, the operating speed of the wind turbine is limited to a narrow range (almost constant speed). Dual- speed operation can be accomplished by using an induction generator with two different sets of winding configurations or by using a dual output drive train to drive two induction generators with two different rated speeds. With single-speed operation, the wind turbine operates at different power coefficients (Cp) as the wind speed varies. Operation at maximum Cp can occur only at a single wind speed. However, if the wind speed.varies across a wider range, the operating Cp will vary significantly. Dual-speed operation has the advantage of enabling the wind turbine to operate at near maximum Cp over a wider range of wind speeds. Thus, annual energy production can be increased. The dual-speed mode may generate less energy than a variable-speed mode; nevertheless, it offers an alternative which captures more energy than single-speed operation. In this paper, dual-speed operation of a wind turbine is investigated. Annual energy production is compared between single-speed and dual-speed operation. One type of control algorithm for dual-speed operation is proposed. Some results from a dynamic simulation will be presented to show how the control algorithm works as the wind turbine is exposed to varying wind speeds.

  14. Stray currents -- Generation, interference effects and control

    SciTech Connect (OSTI)

    Nikolakakos, S. [Raytheon Engineers and Constructors, Inc., Lyndhurst, NJ (United States)

    1998-12-31T23:59:59.000Z

    Stray currents, mostly known for their detrimental corrosion affects on the underground structures, can be effectively controlled by the implementation of specific measures at both the source of generation and at the affected structure(s). This paper discusses the most serious sources of stray current generation, the resulting problems and the numerous control methods that can be utilized to minimize corrosion and safety problems. Safety concerns associated with dc power systems are also discussed.

  15. Trapped field internal dipole superconducting motor generator

    DOE Patents [OSTI]

    Hull, John R. (Downers Grove, IL)

    2001-01-01T23:59:59.000Z

    A motor generator including a high temperature superconductor rotor and an internally disposed coil assembly. The motor generator superconductor rotor is constructed of a plurality of superconductor elements magnetized to produce a dipole field. The coil assembly can be either a conventional conductor or a high temperature superconductor. The superconductor rotor elements include a magnetization direction and c-axis for the crystals of the elements and which is oriented along the magnetization direction.

  16. Power generation method including membrane separation

    DOE Patents [OSTI]

    Lokhandwala, Kaaeid A. (Union City, CA)

    2000-01-01T23:59:59.000Z

    A method for generating electric power, such as at, or close to, natural gas fields. The method includes conditioning natural gas containing C.sub.3+ hydrocarbons and/or acid gas by means of a membrane separation step. This step creates a leaner, sweeter, drier gas, which is then used as combustion fuel to run a turbine, which is in turn used for power generation.

  17. Lepton sector of a fourth generation

    SciTech Connect (OSTI)

    Burdman, G. [Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States); Instituto de Fisica, Universidade de Sao Paulo, Sao Paulo (Brazil); Da Rold, L. [Centro Atomico Bariloche, Bariloche (Argentina); Matheus, R. D. [Instituto de Fisica, Universidade de Sao Paulo, Sao Paulo (Brazil)

    2010-09-01T23:59:59.000Z

    In extensions of the standard model with a heavy fourth generation, one important question is what makes the fourth-generation lepton sector, particularly the neutrinos, so different from the lighter three generations. We study this question in the context of models of electroweak symmetry breaking in warped extra dimensions, where the flavor hierarchy is generated by choosing the localization of the zero-mode fermions in the extra dimension. In this setup the Higgs sector is localized near the infrared brane, whereas the Majorana mass term is localized at the ultraviolet brane. As a result, light neutrinos are almost entirely Majorana particles, whereas the fourth-generation neutrino is mostly a Dirac fermion. We show that it is possible to obtain heavy fourth-generation leptons in regions of parameter space where the light neutrino masses and mixings are compatible with observation. We study the impact of these bounds, as well as the ones from lepton flavor violation, on the phenomenology of these models.

  18. A compact, multichannel, and low noise arbitrary waveform generator

    SciTech Connect (OSTI)

    Govorkov, S. [Sema Systems, 302-5553 16th ave., Delta, British Columbia V4M 2H7 (Canada)] [Sema Systems, 302-5553 16th ave., Delta, British Columbia V4M 2H7 (Canada); Ivanov, B. I. [Leibniz-Institute of Photonic Technology, PO Box 100239, D-07702 Jena (Germany) [Leibniz-Institute of Photonic Technology, PO Box 100239, D-07702 Jena (Germany); Novosibirsk State Technical University, K.Marx-Ave. 20, Novosibirsk 630092 (Russian Federation); Il'ichev, E.; Meyer, H.-G. [Leibniz-Institute of Photonic Technology, PO Box 100239, D-07702 Jena (Germany)] [Leibniz-Institute of Photonic Technology, PO Box 100239, D-07702 Jena (Germany)

    2014-05-15T23:59:59.000Z

    A new type of high functionality, fast, compact, and easy programmable arbitrary waveform generator for low noise physical measurements is presented. The generator provides 7 fast differential waveform channels with a maximum bandwidth up to 200 MHz frequency. There are 6 fast pulse generators on the generator board with 78 ps time resolution in both duration and delay, 3 of them with amplitude control. The arbitrary waveform generator is additionally equipped with two auxiliary slow 16 bit analog-to-digital converters and four 16 bit digital-to-analog converters for low frequency applications. Electromagnetic shields are introduced to the power supply, digital, and analog compartments and with a proper filter design perform more than 110 dB digital noise isolation to the output signals. All the output channels of the board have 50 ? SubMiniature version A termination. The generator board is suitable for use as a part of a high sensitive physical equipment, e.g., fast read out and manipulation of nuclear magnetic resonance or superconducting quantum systems and any other application, which requires electromagnetic interference free fast pulse and arbitrary waveform generation.

  19. Comments on US LMFBR steam generator base technology

    SciTech Connect (OSTI)

    Simmons, W.R.

    1984-01-01T23:59:59.000Z

    The development of steam generators for the LMFBR was recognized from the onset by the AEC, now DOE, as a difficult, challenging, and high-priority task. The highly reactive nature of sodium with water/steam requires that the sodium-water/steam boundaries of LMFBR steam generators possess a degree of leak-tightness reliability not normally attempted on a commercial scale. In addition, the LMFBR steam generator is subjected to high fluid temperatures and severe thermal transients. These requirements place great demand on materials, fabrication processes, and inspection methods; and even greater demands on the designer to provide steam generators that can meet these demanding requirements, be fabricated without unreasonable shop requirements, and tolerate off-normal effects.

  20. Gas Generation from K East Basin Sludges - Series II Testing

    SciTech Connect (OSTI)

    Bryan, Samuel A.; Delegard, Calvin H.; Schmidt, Andrew J.; Sell, Rachel L.; Silvers, Kurt L.; Gano, Susan R.; Thornton, Brenda M.

    2001-03-14T23:59:59.000Z

    This report describes work to examine the gas generation behavior of actual K East (KE) Basin floor, pit and canister sludge. Mixed and unmixed and fractionated KE canister sludge were tested, along with floor and pit sludges from areas in the KE Basin not previously sampled. The first report in this series focused on gas generation from KE floor and canister sludge collected using a consolidated sampling technique. The third report will present results of gas generation testing of irradiated uranium fuel fragments with and without sludge addition. The path forward for management of the K Basin Sludge is to retrieve, ship, and store the sludge at T Plant until final processing at some future date. Gas generation will impact the designs and costs of systems associated with retrieval, transportation and storage of sludge.

  1. Flexible Generators for Software Reuse and Evolution (NIER Track)

    E-Print Network [OSTI]

    Jarzabek, Stan

    Flexible Generators for Software Reuse and Evolution (NIER Track) Stan Jarzabek and Ha Duy Trung of sync with code, any future re-generation of code overrides manual modifications. We propose a flexible modifications into the generation process, rather than modify already generated code. A flexible generator

  2. New developments in event generator tuning techniques

    E-Print Network [OSTI]

    Andy Buckley; Hendrik Hoeth; Heiko Lacker; Holger Schulz; Jan Eike von Seggern

    2010-05-28T23:59:59.000Z

    Data analyses in hadron collider physics depend on background simulations performed by Monte Carlo (MC) event generators. However, calculational limitations and non-perturbative effects require approximate models with adjustable parameters. In fact, we need to simultaneously tune many phenomenological parameters in a high-dimensional parameter-space in order to make the MC generator predictions fit the data. It is desirable to achieve this goal without spending too much time or computing resources iterating parameter settings and comparing the same set of plots over and over again. We present extensions and improvements to the MC tuning system, Professor, which addresses the aforementioned problems by constructing a fast analytic model of a MC generator which can then be easily fitted to data. Using this procedure it is for the first time possible to get a robust estimate of the uncertainty of generator tunings. Furthermore, we can use these uncertainty estimates to study the effect of new (pseudo-) data on the quality of tunings and therefore decide if a measurement is worthwhile in the prospect of generator tuning. The potential of the Professor method outside the MC tuning area is presented as well.

  3. Coal based electric generation comparative technologies report

    SciTech Connect (OSTI)

    Not Available

    1989-10-26T23:59:59.000Z

    Ohio Clean Fuels, Inc., (OCF) has licensed technology that involves Co-Processing (Co-Pro) poor grade (high sulfur) coal and residual oil feedstocks to produce clean liquid fuels on a commercial scale. Stone Webster is requested to perform a comparative technologies report for grassroot plants utilizing coal as a base fuel. In the case of Co-Processing technology the plant considered is the nth plant in a series of applications. This report presents the results of an economic comparison of this technology with other power generation technologies that use coal. Technologies evaluated were:Co-Processing integrated with simple cycle combustion turbine generators, (CSC); Co-Processing integrated with combined cycle combustion turbine generators, (CCC); pulverized coal-fired boiler with flue gas desulfurization and steam turbine generator, (PC) and Circulating fluidized bed boiler and steam turbine generator, (CFB). Conceptual designs were developed. Designs were based on approximately equivalent net electrical output for each technology. A base case of 310 MWe net for each technology was established. Sensitivity analyses at other net electrical output sizes varying from 220 MWe's to 1770 MWe's were also performed. 4 figs., 9 tabs.

  4. Solution generating theorems for perfect fluid spheres

    E-Print Network [OSTI]

    Petarpa Boonserm; Matt Visser; Silke Weinfurtner

    2006-09-20T23:59:59.000Z

    The first static spherically symmetric perfect fluid solution with constant density was found by Schwarzschild in 1918. Generically, perfect fluid spheres are interesting because they are first approximations to any attempt at building a realistic model for a general relativistic star. Over the past 90 years a confusing tangle of specific perfect fluid spheres has been discovered, with most of these examples seemingly independent from each other. To bring some order to this collection, we develop several new transformation theorems that map perfect fluid spheres into perfect fluid spheres. These transformation theorems sometimes lead to unexpected connections between previously known perfect fluid spheres, sometimes lead to new previously unknown perfect fluid spheres, and in general can be used to develop a systematic way of classifying the set of all perfect fluid spheres. In addition, we develop new ``solution generating'' theorems for the TOV, whereby any given solution can be ``deformed'' to a new solution. Because these TOV-based theorems work directly in terms of the pressure profile and density profile it is relatively easy to impose regularity conditions at the centre of the fluid sphere.

  5. Method for generating hydrogen for fuel cells

    DOE Patents [OSTI]

    Ahmed, Shabbir; Lee, Sheldon H. D.; Carter, John David; Krumpelt, Michael

    2004-03-30T23:59:59.000Z

    A method of producing a H.sub.2 rich gas stream includes supplying an O.sub.2 rich gas, steam, and fuel to an inner reforming zone of a fuel processor that includes a partial oxidation catalyst and a steam reforming catalyst or a combined partial oxidation and stream reforming catalyst. The method also includes contacting the O.sub.2 rich gas, steam, and fuel with the partial oxidation catalyst and the steam reforming catalyst or the combined partial oxidation and stream reforming catalyst in the inner reforming zone to generate a hot reformate stream. The method still further includes cooling the hot reformate stream in a cooling zone to produce a cooled reformate stream. Additionally, the method includes removing sulfur-containing compounds from the cooled reformate stream by contacting the cooled reformate stream with a sulfur removal agent. The method still further includes contacting the cooled reformate stream with a catalyst that converts water and carbon monoxide to carbon dioxide and H.sub.2 in a water-gas-shift zone to produce a final reformate stream in the fuel processor.

  6. ZERO EMISSION POWER GENERATION TECHNOLOGY DEVELOPMENT

    SciTech Connect (OSTI)

    Ronald Bischoff; Stephen Doyle

    2005-01-20T23:59:59.000Z

    Clean Energy Systems (CES) was previously funded by DOE's ''Vision 21'' program. This program provided a proof-of-concept demonstration that CES' novel gas generator (combustor) enabled production of electrical power from fossil fuels without pollution. CES has used current DOE funding for additional design study exercises which established the utility of the CES-cycle for retrofitting existing power plants for zero-emission operations and for incorporation in zero-emission, ''green field'' power plant concepts. DOE funding also helped define the suitability of existing steam turbine designs for use in the CES-cycle and explored the use of aero-derivative turbines for advanced power plant designs. This work is of interest to the California Energy Commission (CEC) and the Norwegian Ministry of Petroleum & Energy. California's air quality districts have significant non-attainment areas in which CES technology can help. CEC is currently funding a CES-cycle technology demonstration near Bakersfield, CA. The Norwegian government is supporting conceptual studies for a proposed 40 MW zero-emission power plant in Stavager, Norway which would use the CES-cycle. The latter project is called Zero-Emission Norwegian Gas (ZENG). In summary, current engineering studies: (1) supported engineering design of plant subsystems applicable for use with CES-cycle zero-emission power plants, and (2) documented the suitability and availability of steam turbines for use in CES-cycle power plants, with particular relevance to the Norwegian ZENG Project.

  7. The Fourth Generation of Nuclear Power

    SciTech Connect (OSTI)

    Lake, James Alan

    2000-11-01T23:59:59.000Z

    The outlook for nuclear power in the U.S. is currently very bright. The economics, operations and safety performance of U.S. nuclear power plants is excellent. In addition, both the safety and economic regulation of nuclear power are being changed to produce better economic parameters for future nuclear plant operations and the licenses for plant operations are being extended to 60 years. There is further a growing awareness of the value of clean, emissions-free nuclear power. These parameters combine to form a firm foundation for continued successful U.S. nuclear plant operations, and even the potential In order to realize a bright future for nuclear power, we must respond successfully to five challenges: • Nuclear power must remain economically competitive, • The public must remain confident in the safety of the plants and the fuel cycle. • Nuclear wastes and spent fuel must be managed and the ultimate disposition pathways for nuclear wastes must be politically settled. • The proliferation potential of the commercial nuclear fuel cycle must continue to be minimized, and • We must assure a sustained manpower supply for the future and preserve the critical nuclear technology infrastructure. The Generation IV program is conceived to focus the efforts of the international nuclear community on responding to these challenges.

  8. Next Generation Nuclear Plant GAP Analysis Report

    SciTech Connect (OSTI)

    Ball, Sydney J [ORNL; Burchell, Timothy D [ORNL; Corwin, William R [ORNL; Fisher, Stephen Eugene [ORNL; Forsberg, Charles W. [Massachusetts Institute of Technology (MIT); Morris, Robert Noel [ORNL; Moses, David Lewis [ORNL

    2008-12-01T23:59:59.000Z

    As a follow-up to the phenomena identification and ranking table (PIRT) studies conducted recently by NRC on next generation nuclear plant (NGNP) safety, a study was conducted to identify the significant 'gaps' between what is needed and what is already available to adequately assess NGNP safety characteristics. The PIRT studies focused on identifying important phenomena affecting NGNP plant behavior, while the gap study gives more attention to off-normal behavior, uncertainties, and event probabilities under both normal operation and postulated accident conditions. Hence, this process also involved incorporating more detailed evaluations of accident sequences and risk assessments. This study considers thermal-fluid and neutronic behavior under both normal and postulated accident conditions, fission product transport (FPT), high-temperature metals, and graphite behavior and their effects on safety. In addition, safety issues related to coupling process heat (hydrogen production) systems to the reactor are addressed, given the limited design information currently available. Recommendations for further study, including analytical methods development and experimental needs, are presented as appropriate in each of these areas.

  9. Generation of elves by sprites and jets

    SciTech Connect (OSTI)

    Taranenko, Y.; Roussel-Dupre, R.; Yukhimuk, V.; Symbalisty, E.

    1997-04-01T23:59:59.000Z

    Recent years of observations of the upper atmosphere and the lower ionosphere brought a fascinating collection of new phenomena including optical, radio, and gamma-ray emissions originating in the 20 to 90 km altitude range. Up to now, the most diverse phenomenology has emerged from the optical observations which have led to the identification of red sprites, blue jets, blue starts, and elves. Most of the studies have concentrated on relating such phenomena in the upper atmosphere to regular lightning discharges in the troposphere. The sprite/jet discharge itself can be caused by the runaway air breakdown, or regular air breakdown. The standard theory for optical airglow transients in the lower ionosphere above the thunderstorms also known as elves suggests that they are produced during interaction of electromagnetic pulses (EMP) from lightning with the lower ionosphere. Heating of the ambient electrons by the EMP in the D region can result in excitation of optical emissions once the optical excitation thresholds are reached. In this paper the authors suggest that in addition to this mechanism elves can be caused by an EMP generated by sprites and jets.

  10. Photovoltaic Power Generation in the Stellar Environments

    E-Print Network [OSTI]

    T. E. Girish; S. Aranya

    2010-12-03T23:59:59.000Z

    In this paper we have studied the problem of photovoltaic power generation near selected stars in the solar neighborhood. The nature of the optical radiation from a star will depend on its luminosity,HR classification and spectral characteristics. The solar celloperation in the habitable zones of the stars is similar to AM1.0 operation near earth.Thecurrent space solar cell technology can be adopted for power generation near G,K and Mtype stars. Silicon solar cells with good near IR response are particularly suitable in theenvironments of M type stars which are most abundant in the universe. . Photovoltaicpower generation near binary stars like Sirius and Alpha Centauri is also discussed.

  11. Rechargeable thin-film electrochemical generator

    DOE Patents [OSTI]

    Rouillard, Roger (Beloeil, CA); Domroese, Michael K. (South St. Paul, MN); Hoffman, Joseph A. (Minneapolis, MN); Lindeman, David D. (Hudson, WI); Noel, Joseph-Robert-Gaetan (St-Hubert, CA); Radewald, Vern E. (Austin, TX); Ranger, Michel (Lachine, CA); Sudano, Anthony (Laval, CA); Trice, Jennifer L. (Eagan, MN); Turgeon, Thomas A. (Fridley, MN)

    2000-09-15T23:59:59.000Z

    An improved electrochemical generator is disclosed. The electrochemical generator includes a thin-film electrochemical cell which is maintained in a state of compression through use of an internal or an external pressure apparatus. A thermal conductor, which is connected to at least one of the positive or negative contacts of the cell, conducts current into and out of the cell and also conducts thermal energy between the cell and thermally conductive, electrically resistive material disposed on a vessel wall adjacent the conductor. The thermally conductive, electrically resistive material may include an anodized coating or a thin sheet of a plastic, mineral-based material or conductive polymer material. The thermal conductor is fabricated to include a resilient portion which expands and contracts to maintain mechanical contact between the cell and the thermally conductive material in the presence of relative movement between the cell and the wall structure. The electrochemical generator may be disposed in a hermetically sealed housing.

  12. Microwave generated plasma light source apparatus

    SciTech Connect (OSTI)

    Yoshizawa, K.; Ito, H.; Kodama, H.; Komura, H.; Minowa, Y.

    1985-02-05T23:59:59.000Z

    A microwave generated plasma light source including a microwave generator, a microwave cavity having a light reflecting member forming at least a portion of the cavity, and a member transparent to light and opaque to microwaves disposed across an opening of the cavity opposite the feeding opening through which the microwave generator is coupled. An electrodeless discharge bulb is disposed at a position in the cavity such that the cavity operates as a resonant cavity at least when the bulb is emitting light. In the bulb is encapsulated at least one discharge light emissive substance. The bulb has a shape and is sufficiently small that the bulb acts substantially as a point light source.

  13. Electric current generation in distorted graphene

    E-Print Network [OSTI]

    Ana Julia Mizher; Alfredo Raya; Cristian Villavicencio

    2014-09-23T23:59:59.000Z

    Graphene-like materials can be effectively described by quantum electrodynamics in 2+1 dimensions. In a pure state these systems exhibit a symmetry between the non-equivalent Dirac points in the honeycomb lattice. The effect of some types of doping or the contact with asymmetric external lattices (for instance a boron nitride layer) break this symmetry via a mechanism of effective mass generation that works differently for each Dirac point. In this work we show that the incorporation of an in-plane external magnetic field on this pseudochiral asymmetric configuration generates a non-dissipative electric current aligned with the magnetic field. This mass structure is associated to a Chern-Simons type of effective action. Together with the presence of a magnetic field generating an electric current, this scenario resembles the chiral magnetic effect in Quantum Chromodynamics.

  14. Generation of the magnetic field in jets

    E-Print Network [OSTI]

    V. Urpin

    2006-05-22T23:59:59.000Z

    We consider dynamo action under the combined influence of turbulence and large-scale shear in sheared jets. Shear can stretch turbulent magnetic field lines in such a way that even turbulent motions showing mirror symmetry become suitable for generation of a large-scale magnetic field. We derive the integral induction equation governing the behaviour of the mean field in jets. The main result is that sheared jets may generate a large-scale magnetic field if shear is sufficiently strong. The generated mean field is mainly concentrated in a magnetic sheath surrounding the central region of a jet, and it exhibits sign reversals in the direction of the jet axis. Typically, the magnetic field in a sheath is dominated by the component along the jet that can reach equipartition with the kinetic energy of particles, The field in the central region of jets has a more disordered structure.

  15. Method of operating a thermoelectric generator

    DOE Patents [OSTI]

    Reynolds, Michael G; Cowgill, Joshua D

    2013-11-05T23:59:59.000Z

    A method for operating a thermoelectric generator supplying a variable-load component includes commanding the variable-load component to operate at a first output and determining a first load current and a first load voltage to the variable-load component while operating at the commanded first output. The method also includes commanding the variable-load component to operate at a second output and determining a second load current and a second load voltage to the variable-load component while operating at the commanded second output. The method includes calculating a maximum power output of the thermoelectric generator from the determined first load current and voltage and the determined second load current and voltage, and commanding the variable-load component to operate at a third output. The commanded third output is configured to draw the calculated maximum power output from the thermoelectric generator.

  16. Mesaba next-generation IGCC plant

    SciTech Connect (OSTI)

    NONE

    2006-01-01T23:59:59.000Z

    Through a US Department of Energy (DOE) cooperative agreement awarded in June 2006, MEP-I LLC plans to demonstrate a next generation integrated gasification-combined cycle (IGCC) electric power generating plant, the Mesaba Energy Project. The 606-MWe plant (the first of two similarly sized plants envisioned by project sponsors) will feature next-generation ConocoPhillips E-Gas{trademark} technology first tested on the DOE-funded Wabash River Coal Gasification Repowering project. Mesaba will benefit from recommendations of an industry panel applying the Value Improving Practices process to Wabash cost and performance results. The project will be twice the size of Wabash, while demonstrating better efficient, reliability and pollutant control. The $2.16 billion project ($36 million federal cost share) will be located in the Iron Range region north of Duluth, Minnesota. Mesaba is one of four projects selected under Round II of the Clean Coal Power Initiative. 1 fig.

  17. NEW APPROACH TO ADDRESSING GAS GENERATION IN RADIOACTIVE MATERIAL PACKAGING

    SciTech Connect (OSTI)

    Watkins, R; Leduc, D; Askew, N

    2009-06-25T23:59:59.000Z

    Safety Analysis Reports for Packaging (SARP) document why the transportation of radioactive material is safe in Type A(F) and Type B shipping containers. The content evaluation of certain actinide materials require that the gas generation characteristics be addressed. Most packages used to transport actinides impose extremely restrictive limits on moisture content and oxide stabilization to control or prevent flammable gas generation. These requirements prevent some users from using a shipping container even though the material to be shipped is fully compliant with the remaining content envelope including isotopic distribution. To avoid these restrictions, gas generation issues have to be addressed on a case by case basis rather than a one size fits all approach. In addition, SARP applicants and review groups may not have the knowledge and experience with actinide chemistry and other factors affecting gas generation, which facility experts in actinide material processing have obtained in the last sixty years. This paper will address a proposal to create a Gas Generation Evaluation Committee to evaluate gas generation issues associated with Safety Analysis Reports for Packaging material contents. The committee charter could include reviews of both SARP approved contents and new contents not previously evaluated in a SARP.

  18. Report on discussions with utility engineers about superconducting generators

    SciTech Connect (OSTI)

    none,

    1996-03-01T23:59:59.000Z

    This report relates to a series of discussions with electric utility engineers concerning the integration of high-temperature superconducting (HTS) generators into the present electric power system. The current and future interest of the utilities in the purchase and use of HTS generators is assessed. Various performance and economic factors are also considered as part of this inspection of the utility prospects for HTS generators. Integration of HTS generators into the electric utility sector is one goal of the Superconductivity Partnership Initiative (SPI). The SPI, a major part of the Department of Energy (DOE) Superconductivity Program for Electric Systems, features vertical teaming of a major industrial power apparatus manufacturers, a producer of HTS wire, and an end-user with assistance and technical support for the national laboratories. The SPI effort on HTS generators is headed by a General Electric Corporation internal team comprised of the Corporate Research Laboratories, Power Generation Engineering, and Power Systems Group. Intermagnetics General corporation, which assisted in the development of the superconducting coils, is the HTS wire and tape manufacturer. Additional technical support is provided by the national laboratories: Argonne, Los Alamos, and Oak Ridge, and the New York State Institute on Superconductivity. The end-user is represented by Niagara-Mohawk and the Electric Power Research Institute.

  19. System and method to improve the power output and longevity of a radioisotope thermoelectric generator

    SciTech Connect (OSTI)

    Mowery, A.L. Jr.

    1993-09-21T23:59:59.000Z

    By using the helium generated by the alpha emissions of a thermoelectric generator during space travel for cooling, the thermal degradation of the thermoelectric generator can be slowed. Slowing degradation allows missions to be longer with little additional expense or payload. 1 figures.

  20. System and method to improve the power output and longetivity of a radioisotope thermoelectric generator

    SciTech Connect (OSTI)

    Mowery, A.L. Jr.

    1992-12-31T23:59:59.000Z

    By using the helium generated by the alpha emissions of a thermoelectric generator during space travel for cooling the thermal degradation of the thermoelectric generator can be slowed. Slowing degradation allows missions to be longer with little additional expense or payload.

  1. Realistic network traffic profile generation: theory and practice Antoine Varet1

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    , "realistic behavior" means to generate traffic similar to the traffic a network administrator can captureRealistic network traffic profile generation: theory and practice Antoine Varet1 & Nicolas Larrieu1-mail: nicolas.larrieu@enac.fr Abstract Network engineers and designers need additional tools to generate network

  2. PROPAGATION OF ELF WAVES GENERATED BY AN HF IONOSPHERIC HEATER IN THE EARTH'S PLASMA

    E-Print Network [OSTI]

    (HAARP) transmitter array is used to generate ELF waves. The HAARP array generates ELF waves by heating generated by HAARP were detected by the DEMETER satellite at an altitude of 670 km. In additionV·m-1 at 2 kHz. In Region 2, which can extend up to 300 km laterally from HAARP, it is believed

  3. System and method to improve the power output and longetivity of a radioisotope thermoelectric generator

    DOE Patents [OSTI]

    Mowery, Jr., Alfred L. (Potomac, MD)

    1993-01-01T23:59:59.000Z

    By using the helium generated by the alpha emissions of a thermoelectric generator during space travel for cooling, the thermal degradation of the thermoelectric generator can be slowed. Slowing degradation allows missions to be longer with little additional expense or payload.

  4. Operation of Distributed Generation Under Stochastic Prices

    SciTech Connect (OSTI)

    Siddiqui, Afzal S.; Marnay, Chris

    2005-11-30T23:59:59.000Z

    We model the operating decisions of a commercial enterprisethatneeds to satisfy its periodic electricity demand with either on-sitedistributed generation (DG) or purchases from the wholesale market. Whilethe former option involves electricity generation at relatively high andpossibly stochastic costs from a set of capacity-constrained DGtechnologies, the latter implies unlimited open-market transactions atstochastic prices. A stochastic dynamic programme (SDP) is used to solvethe resulting optimisation problem. By solving the SDP with and withoutthe availability of DG units, the implied option values of the DG unitsare obtained.

  5. Infrasound Generation from the HH Seismic Hammer.

    SciTech Connect (OSTI)

    Jones, Kyle Richard

    2014-10-01T23:59:59.000Z

    The HH Seismic hammer is a large, %22weight-drop%22 source for active source seismic experiments. This system provides a repetitive source that can be stacked for subsurface imaging and exploration studies. Although the seismic hammer was designed for seismological studies it was surmised that it might produce energy in the infrasonic frequency range due to the ground motion generated by the 13 metric ton drop mass. This study demonstrates that the seismic hammer generates a consistent acoustic source that could be used for in-situ sensor characterization, array evaluation and surface-air coupling studies for source characterization.

  6. Synchronization System for Next Generation Light Sources

    SciTech Connect (OSTI)

    Zavriyev, Anton

    2014-03-27T23:59:59.000Z

    An alternative synchronization technique – one that would allow explicit control of the pulse train including its repetition rate and delay is clearly desired. We propose such a scheme. Our method is based on optical interferometry and permits synchronization of the pulse trains generated by two independent mode-locked lasers. As the next generation x-ray sources will be driven by a clock signal derived from a mode-locked optical source, our technique will provide a way to synchronize x-ray probe with the optical pump pulses.

  7. Protective, Modular Wave Power Generation System

    SciTech Connect (OSTI)

    Vvedensky, Jane M.; Park, Robert Y.

    2012-11-27T23:59:59.000Z

    The concept of small wave energy conversion modules that can be built into large, scalable arrays, in the same vein as solar panels, has been developed. This innovation lends itself to an organic business and development model, and enables the use of large-run manufacturing technology to reduce system costs. The first prototype module has been built to full-scale, and tested in a laboratory wave channel. The device has been shown to generate electricity and dissipate wave energy. Improvements need to be made to the electrical generator and a demonstration of an array of modules should be made in natural conditions.

  8. On the First Generation of Stars

    E-Print Network [OSTI]

    Joseph Silk; Mathieu Langer

    2006-06-12T23:59:59.000Z

    We argue that the first stars may have spanned the conventional mass range rather than be identified with the Very Massive Objects (100-1000 solar masses) favoured by numerical simulations. Specifically, we find that magnetic field generation processes acting in the first protostellar systems suffice to produce fields that exceed the threshold for MRI instability to operate and thereby allow the MRI dynamo to generate equipartition-amplitude magnetic fields on protostellar mass scales below 50 solar masses. Such fields allow primordial star formation to occur at essentially any metallicity by regulating angular momentum transfer, fragmentation, accretion and feedback in much the same way as occurs in conventional molecular clouds.

  9. Next Generation Solar Collectors for CSP

    SciTech Connect (OSTI)

    Molnar, Attila

    2014-07-31T23:59:59.000Z

    The intent of “Next Generation Solar Collectors for CSP” program was to develop key technology elements for collectors in Phase 1 (Budget Period 1), design these elements in Phase 2 (Budget Period 2) and to deploy and test the final collector in Phase 3 (Budget Period 3). 3M and DOE mutually agreed to terminate the program at the end of Budget Period 1, primarily due to timeline issues. However, significant advancements were achieved in developing a next generation reflective material and panel that has the potential to significantly improve the efficiency of CSP systems.

  10. A Distributed Generation Control Architecture for Islanded AC Microgrids

    E-Print Network [OSTI]

    Dominguez-Garcia, Alejandro

    1 A Distributed Generation Control Architecture for Islanded AC Microgrids Stanton T. Cady, Student architecture for generation control in islanded microgrids, and illustrate the performance Member, IEEE Abstract In this paper, we propose a distributed architecture for generation control

  11. Reliability Evaluation of Electric Power Generation Systems with Solar Power 

    E-Print Network [OSTI]

    Samadi, Saeed

    2013-11-08T23:59:59.000Z

    reliability evaluation of generation systems including Photovoltaic (PV) and Concentrated Solar Power (CSP) plants. Unit models of PV and CSP are developed first, and then generation system model is constructed to evaluate the reliability of generation systems...

  12. Distributed Generation Investment by a Microgrid under Uncertainty

    E-Print Network [OSTI]

    Siddiqui, Afzal

    2008-01-01T23:59:59.000Z

    Cost of Natural Gas Generation, p Figure 6. Normalised NetCost of Natural Gas Generation, p Figure 7. Wait InvestCost of Natural Gas Generation (US$/kWh e ), C Figure 8.

  13. FINAL STAFF PAPER A New Generation of Combined Heat

    E-Print Network [OSTI]

    , distributed generation #12;iv #12;v TABLE OF CONTENTS Page Acknowledgements FINAL STAFF PAPER A New Generation of Combined Heat and Power: Policy Planning. Neff , Bryan. A New Generation of Combined Heat and Power: Policy Planning for 2030. 2012. California

  14. OPTICAL DIFFERENCE FREQUENCY GENERATION OF FAR INFRARED RADIATION

    E-Print Network [OSTI]

    Morris, J.R.

    2010-01-01T23:59:59.000Z

    Absorption on Far-Infrared Generation IV. V. Comparison withIII CHAPTER IV. PHASE MATCHED FAR-INFRARED GENERATION BY THE1970). CHAPTER IV. PHASE MATCHED FAR-INFRARED GENERATION BY

  15. Reliability Evaluation of Electric Power Generation Systems with Solar Power

    E-Print Network [OSTI]

    Samadi, Saeed

    2013-11-08T23:59:59.000Z

    Conventional power generators are fueled by natural gas, steam, or water flow. These generators can respond to fluctuating load by varying the fuel input that is done by a valve control. Renewable power generators such as wind or solar, however...

  16. Department of Bioengineering Spring 2013 Next Generation Hygiene System

    E-Print Network [OSTI]

    Demirel, Melik C.

    PENNSTATE Department of Bioengineering Spring 2013 Next Generation Hygiene System Overview the composition of the solution. The next generation hygiene system, similar to existing industrial systems, uses. However, the next generation hygiene system overcomes several drawbacks found in existing systems

  17. Ris Energy Report 4 Distributed generation 1 What is distributed generation?

    E-Print Network [OSTI]

    generation (DG) refers to an emerging evolu- tion of the electric power generation systems, in which all of the Euro- pean Union (CEU) as an essential part of the develop- ment of the European power system the use of modelling in these contexts, including: · strategic planning and policymaking · detailed system

  18. On modeling pollution-generating technologies July 22, 2010 On modeling pollution-generating technologies.

    E-Print Network [OSTI]

    Bandyopadhyay, Antar

    On modeling pollution-generating technologies July 22, 2010 On modeling pollution modeling pollution-generating technologies July 22, 2010 Abstract We distinguish between intended with respect to inputs and intended outputs that cause pollution. We derive implications from the phenomenon

  19. Power Generating Stationary Engines Nox Control: A Closed Loop...

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

    Generating Stationary Engines Nox Control: A Closed Loop Control Technology Power Generating Stationary Engines Nox Control: A Closed Loop Control Technology Poster presented at...

  20. Pepco Update on Current Construction Work and Mirant Generation...

    Energy Savers [EERE]

    Update on Current Construction Work and Mirant Generation Needs for Pepco's Planned June Line Outage Pepco Update on Current Construction Work and Mirant Generation Needs for...

  1. Extreme Temperature Energy Storage and Generation, for Cost and...

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

    Extreme Temperature Energy Storage and Generation, for Cost and Risk Reduction in Geothermal Exploration Extreme Temperature Energy Storage and Generation, for Cost and Risk...

  2. Renewable Power Options for Electricity Generation on Kaua'i...

    Office of Environmental Management (EM)

    Renewable Power Options for Electricity Generation on Kaua'i: Economics and Performance Modeling Renewable Power Options for Electricity Generation on Kaua'i: Economics and...

  3. Oxygen-Enriched Combustion for Military Diesel Engine Generators...

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

    Oxygen-Enriched Combustion for Military Diesel Engine Generators Oxygen-Enriched Combustion for Military Diesel Engine Generators Substantial increases in brake power and...

  4. New generation NMR bioreactor coupled with high-resolution NMR...

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

    New generation NMR bioreactor coupled with high-resolution NMR spectroscopy leads to novel discoveries in Moorella New generation NMR bioreactor coupled with high-resolution NMR...

  5. Overview of Progress in Thermoelectric Power Generation Technologies...

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

    Progress in Thermoelectric Power Generation Technologies in Japan Overview of Progress in Thermoelectric Power Generation Technologies in Japan Presents progress in government- and...

  6. Modular Low Cost High Energy Exhaust Heat Thermoelectric Generator...

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

    Low Cost High Energy Exhaust Heat Thermoelectric Generator with Closed-Loop Exhaust By-Pass System Modular Low Cost High Energy Exhaust Heat Thermoelectric Generator with...

  7. Chena Hot Springs Resort - Electric Power Generation Using Geothermal...

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

    Hot Springs Resort - Electric Power Generation Using Geothermal Fluid Coproduced from Oil andor Gas Wells Chena Hot Springs Resort - Electric Power Generation Using Geothermal...

  8. Comment on Tunable generation and adsorption of energetic compounds...

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

    Tunable generation and adsorption of energetic compounds in the vapor phase at trace levels: A tool for testing and Comment on Tunable generation and adsorption of energetic...

  9. Optimization of Water Consumption in Second Generation Bioethanol Plants

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    1 Optimization of Water Consumption in Second Generation Bioethanol Plants Mariano Martína optimization of second generation bioethanol production plants from lignocellulosic switchgrass when using

  10. Upholding Dr. King's Dream and Inspiring the Next Generation...

    Office of Environmental Management (EM)

    Upholding Dr. King's Dream and Inspiring the Next Generation Through STEM Education Upholding Dr. King's Dream and Inspiring the Next Generation Through STEM Education January 27,...

  11. ADVANCED REFLECTIVE FILMS AND PANELS FOR NEXT GENERATION SOLAR...

    Office of Environmental Management (EM)

    ADVANCED REFLECTIVE FILMS AND PANELS FOR NEXT GENERATION SOLAR COLLECTORS ADVANCED REFLECTIVE FILMS AND PANELS FOR NEXT GENERATION SOLAR COLLECTORS This presentation was delivered...

  12. Closure for the Seventh Generation - A Report from the Stewardship...

    Energy Savers [EERE]

    Closure for the Seventh Generation - A Report from the Stewardship Committee of the State and Tribal Government Working Group (February 1999) Closure for the Seventh Generation - A...

  13. NERSC, Cray, Intel Announce Next-Generation Supercomputer

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

    NERSC, Cray, Intel Announce Next-Generation Supercomputer NERSC, Cray, Intel to Collaborate on Next-Generation Supercomputer April 29, 2014 | Tags: NERSC Contact: Jon Bashor,...

  14. The Potential Benefits of Distributed Generation and the Rate...

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

    The Potential Benefits of Distributed Generation and the Rate-Related Issues That May Impede Its Expansion The Potential Benefits of Distributed Generation and the Rate-Related...

  15. New ALS Technique Guides IBM in Next-Generation Semiconductor...

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

    New ALS Technique Guides IBM in Next-Generation Semiconductor Development New ALS Technique Guides IBM in Next-Generation Semiconductor Development Print Wednesday, 21 January 2015...

  16. Materials - Next-generation insulation ... | ornl.gov

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

    Materials - Next-generation insulation ... A composite foam insulation panel being developed by Oak Ridge National Laboratory and partners could reduce wall-generated heating and...

  17. Renewable Generation and Interconnection to the Electrical Grid...

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

    Generation and Interconnection to the Electrical Grid in Southern California Renewable Generation and Interconnection to the Electrical Grid in Southern California Presentation...

  18. Silicon Nanostructure-based Technology for Next Generation Energy...

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

    Silicon Nanostructure-based Technology for Next Generation Energy Storage Silicon Nanostructure-based Technology for Next Generation Energy Storage 2012 DOE Hydrogen and Fuel Cells...

  19. T-705: Linux Kernel Weakness in Sequence Number Generation Facilitates...

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

    5: Linux Kernel Weakness in Sequence Number Generation Facilitates Packet Injection Attacks T-705: Linux Kernel Weakness in Sequence Number Generation Facilitates Packet Injection...

  20. Proceedings of the Computational Needs for the Next Generation...

    Energy Savers [EERE]

    Proceedings of the Computational Needs for the Next Generation Electric Grid Workshop, April 19-20, 2011 Proceedings of the Computational Needs for the Next Generation Electric...

  1. Distributed Generation Dispatch Optimization under Various Electricity Tariffs

    E-Print Network [OSTI]

    Firestone, Ryan; Marnay, Chris

    2007-01-01T23:59:59.000Z

    utility experience with RTP tariffs is described in 3. Distributed GenerationUtilities Commission, Division of Ratepayer Advocates have also provided support on related work. Distributed Generation

  2. analyzing steam generator: Topics by E-print Network

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

    We present ow simulations in the Steam Generator of a pressurized water nuclear reactor using coherence between the zoom and the full domain. Key words: Steam Generator,...

  3. advanced steam generators: Topics by E-print Network

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

    We present ow simulations in the Steam Generator of a pressurized water nuclear reactor using coherence between the zoom and the full domain. Key words: Steam Generator,...

  4. asco steam generators: Topics by E-print Network

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

    We present ow simulations in the Steam Generator of a pressurized water nuclear reactor using coherence between the zoom and the full domain. Key words: Steam Generator,...

  5. New Jersey Nuclear Profile - PSEG Salem Generating Station

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

    PSEG Salem Generating Station" "Unit","Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor (percent)","Type","Commercial operation date","License...

  6. California Nuclear Profile - San Onofre Nuclear Generating Station

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

    San Onofre Nuclear Generating Station" "Unit","Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor (percent)","Type","Commercial operation date","License...

  7. New Jersey Nuclear Profile - PSEG Hope Creek Generating Station

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

    PSEG Hope Creek Generating Station" "Unit","Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor (percent)","Type","Commercial operation date","License...

  8. Illinois Nuclear Profile - LaSalle Generating Station

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

    LaSalle Generating Station" "Unit","Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor (percent)","Type","Commercial operation date","License expiration...

  9. New Generation Cooperative Incentive Tax Credit Program (Missouri)

    Broader source: Energy.gov [DOE]

    The Missouri Agricultural and Small Business Development Authority provides New Generation Cooperative Incentive Tax Credits to induce producer member investment into new generation processing...

  10. Renewable Electricity Generation (Fact Sheet), Office of Energy...

    Energy Savers [EERE]

    Renewable Electricity Generation (Fact Sheet), Office of Energy Efficiency and Renewable Energy, U.S. Department of Energy (DOE) Renewable Electricity Generation (Fact Sheet),...

  11. Proton Exchange Membrane Fuel Cells for Electrical Power Generation...

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

    Proton Exchange Membrane Fuel Cells for Electrical Power Generation On-Board Commercial Airplanes Proton Exchange Membrane Fuel Cells for Electrical Power Generation On-Board...

  12. Demonstration of Next Generation PEM CHP Systems for Global Markets...

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

    Demonstration of Next Generation PEM CHP Systems for Global Markets Using PBI Membrane Technology Demonstration of Next Generation PEM CHP Systems for Global Markets Using PBI...

  13. The Value of Distributed Generation and CHP Resources in Wholesale...

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

    The Value of Distributed Generation and CHP Resources in Wholesale Power Markets, September 2005 The Value of Distributed Generation and CHP Resources in Wholesale Power Markets,...

  14. EECBG Success Story: New San Antonio Airport Terminal Generating...

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

    San Antonio Airport Terminal Generating Clean Power EECBG Success Story: New San Antonio Airport Terminal Generating Clean Power January 27, 2011 - 2:03pm Addthis The new...

  15. EV Everywhere Batteries Workshop - Next Generation Lithium Ion...

    Energy Savers [EERE]

    Next Generation Lithium Ion Batteries Breakout Session Report EV Everywhere Batteries Workshop - Next Generation Lithium Ion Batteries Breakout Session Report Breakout session...

  16. Next Generation Library Systems Convenient, Connected, User-Centric, Ubiquitous

    E-Print Network [OSTI]

    Myers, Lawrence C.

    & Engineering Library; Digital Library Technologies Group 5 Barb Sagraves, Head Next Generation Library Systems Convenient, Connected, User-Centric, Ubiquitous Next Generation Library Taskforce

  17. Purchase and Installation of a Geothermal Power Plant to Generate...

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

    Purchase and Installation of a Geothermal Power Plant to Generate Electricity Using Geothermal Water Resources Purchase and Installation of a Geothermal Power Plant to Generate...

  18. Status of Segmented Element Thermoelectric Generator for Vehicle...

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

    Segmented Element Thermoelectric Generator for Vehicle Waste Heat Recovery Status of Segmented Element Thermoelectric Generator for Vehicle Waste Heat Recovery Discusses progress...

  19. A Thermoelectric Generator with an Intermediate Heat Exchanger...

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

    A Thermoelectric Generator with an Intermediate Heat Exchanger for Automotive Waste Heat Recovery System A Thermoelectric Generator with an Intermediate Heat Exchanger for...

  20. Low and high Temperature Dual Thermoelectric Generation Waste...

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

    and high Temperature Dual Thermoelectric Generation Waste Heat Recovery System for Light-Duty Vehicles Low and high Temperature Dual Thermoelectric Generation Waste Heat Recovery...

  1. Multi-physics modeling of thermoelectric generators for waste...

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

    physics modeling of thermoelectric generators for waste heat recovery applications Multi-physics modeling of thermoelectric generators for waste heat recovery applications Model...

  2. Second-Generation Biofuels from Multi-Product Biorefineries Combine...

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

    Second-Generation Biofuels from Multi-Product Biorefineries Combine Economic Sustainability With Environmental Sustainability Second-Generation Biofuels from Multi-Product...

  3. Student Competition Prepares the Next Generation of Wind Energy...

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

    Competition Prepares the Next Generation of Wind Energy Entrepreneurs Student Competition Prepares the Next Generation of Wind Energy Entrepreneurs April 11, 2013 - 11:32am Addthis...

  4. Low Cost High Concentration PV Systems for Utility Power Generation...

    Energy Savers [EERE]

    Low Cost High Concentration PV Systems for Utility Power Generation Amonix, Inc. Low Cost High Concentration PV Systems for Utility Power Generation Amonix, Inc. A series of brief...

  5. Renewable Electricity Generation and Delivery at the Sacramento...

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

    Electricity Generation and Delivery at the Sacramento Municipal Utility District Renewable Electricity Generation and Delivery at the Sacramento Municipal Utility District Dairy...

  6. Syngas Generator Use for Retrofit DPF Active Regeneration on...

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

    Generator Use for Retrofit DPF Active Regeneration on a Medium Duty Truck Syngas Generator Use for Retrofit DPF Active Regeneration on a Medium Duty Truck Syngas enables low...

  7. Model-Based Transient Calibration Optimization for Next Generation...

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

    Model-Based Transient Calibration Optimization for Next Generation Diesel Engines Model-Based Transient Calibration Optimization for Next Generation Diesel Engines 2005 Diesel...

  8. Activity Stream - Energy Generation by State and Technology ...

    Open Energy Info (EERE)

    Energy Generation by State and Technology (2009) 22 days ago harvest created the dataset Energy Generation by State and Technology (2009) 1 month ago harvest created the dataset...

  9. Nanomaterials: Organic and Inorganic for Next-Generation Diesel...

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

    Nanomaterials: Organic and Inorganic for Next-Generation Diesel Technologies Nanomaterials: Organic and Inorganic for Next-Generation Diesel Technologies 2007 Diesel...

  10. Onboard Plasmatron Generation of Hydrogen rich Gas for Diesel...

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

    Onboard Plasmatron Generation of Hydrogen rich Gas for Diesel Aftertreatment and Other Applications Onboard Plasmatron Generation of Hydrogen rich Gas for Diesel Aftertreatment and...

  11. Hydrogen generation from plasmatron reformers and use for diesel...

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

    generation from plasmatron reformers and use for diesel exhaust aftertreatment Hydrogen generation from plasmatron reformers and use for diesel exhaust aftertreatment 2003 DEER...

  12. Demonstrating and Validating a Next Generation Model-Based Controller...

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

    and Validating a Next Generation Model-Based Controller for Fuel Efficient, Low Emissions Diesel Engines Demonstrating and Validating a Next Generation Model-Based Controller for...

  13. Feasibility of OnBoard Thermoelectric Generation for Improved...

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

    OnBoard Thermoelectric Generation for Improved Vehicle Fuel Economy Feasibility of OnBoard Thermoelectric Generation for Improved Vehicle Fuel Economy Poster presentation at the...

  14. Biodiesel Progress: ASTM Specifications and 2nd Generation Biodiesel...

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

    Progress: ASTM Specifications and 2nd Generation Biodiesel Biodiesel Progress: ASTM Specifications and 2nd Generation Biodiesel Presentation given at the 2007 Diesel...

  15. Silicon Nanostructure-based Technology for Next Generation Energy...

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

    Silicon Nanostructure-based Technology for Next Generation Energy Storage Silicon Nanostructure-based Technology for Next Generation Energy Storage 2013 DOE Hydrogen and Fuel Cells...

  16. Engaging the Next Generation of Automotive Engineers through...

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

    Engaging the Next Generation of Automotive Engineers through Advanced Vehicle Technology Competition Engaging the Next Generation of Automotive Engineers through Advanced Vehicle...

  17. System level modeling of thermoelectric generators for automotive...

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

    level modeling of thermoelectric generators for automotive applications System level modeling of thermoelectric generators for automotive applications Uses a model to predict and...

  18. High Temperature Thermal Array for Next Generation Solar Thermal...

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

    High Temperature Thermal Array for Next Generation Solar Thermal Power Production High Temperature Thermal Array for Next Generation Solar Thermal Power Production This...

  19. REQUEST BY WESTINGHOUSE POWER GENERATION, A FORMER DIVISION OF...

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

    selection and optimization to develop the next generation of gas-fired advanced turbine systems (ATS's) for green field and repowered electricity generation applications....

  20. Fossil Fuel-Generated Energy Consumption Reduction for New Federal...

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

    Fossil Fuel-Generated Energy Consumption Reduction for New Federal Buildings and Major Renovations of Federal Buildings OIRA Comparison Document Fossil Fuel-Generated Energy...