Powered by Deep Web Technologies
Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

MegaWatt Solar | Open Energy Information  

Open Energy Info (EERE)

Jump to: navigation, search Name MegaWatt Solar Place North Carolina Sector Renewable Energy, Solar Product North Carolina-based, technology-centric renewable energy company...

2

Narrow linewidth picosecond pulsed laser with mega-watt peak power at UV wavelength  

Science Conference Proceedings (OSTI)

We demonstrate a master oscillator power amplifier (MOPA) burst mode laser system to generate 66 ps/402.5 MHz pulses with mega-watt peak power at 355 nm. The seed laser is based on a direct electro-optic modulation of a fiber laser output. A very high extinction ratio (45 dB) has been achieved by using an adaptive bias control. The multi-stage Nd:YAG amplifier system allows a uniformly temporal shaping of macropulses with tunable pulse duration. The light output form the amplifier is converted to 355 nm and over 1 MW UV peak power is obtained when the laser is operating in a 5- s/10-Hz macropulse mode. The laser output has a transform limited spectrum bandwidth with a very narrow linewidth of individual laser mode. The immediate application of the laser system is the laser assisted hydrogen ion beam stripping for the Spallation Neutron Source (SNS).

Liu, Yun [ORNL; Huang, Chunning [ORNL; Deibele, Craig Edmond [ORNL

2013-01-01T23:59:59.000Z

3

Suppression of spurious mode oscillation in mega-watt 77-GHz gyrotron as a high quality probe beam source for the collective Thomson scattering in LHD  

Science Conference Proceedings (OSTI)

Collective Thomson scattering (CTS) diagnostic requires a strong probing beam to diagnose a bulk and fast ion distribution function in fusion plasmas. A mega-watt gyrotron for electron cyclotron resonance heating is used as a probing beam in the large helical device. Spurious mode oscillations are often observed during the turning on/off phase of the modulation. The frequency spectra of the 77-GHz gyrotron output power have been measured, and then one of the spurious modes, which interferes with the CTS receiver system, is identified as the TE{sub 17,6} mode at the frequency of 74.7 GHz. The mode competition calculation indicates that the increase of the magnetic field strength at the gyrotron resonator can avoid such a spurious mode and excite only the main TE{sub 18,6} mode. The spurious radiation at the 74.7 GHz is experimentally demonstrated to be suppressed in the stronger magnetic field than that optimized for the high-power operation.

Ogasawara, S. [Department of Energy Engineering and Science, Nagoya University, Nagoya 464-8463 (Japan); Kubo, S. [Department of Energy Engineering and Science, Nagoya University, Nagoya 464-8463 (Japan); National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi 509-5292 (Japan); Nishiura, M.; Tanaka, K.; Shimozuma, T.; Yoshimura, Y.; Igami, H.; Takahashi, H.; Ito, S.; Takita, Y.; Kobayashi, S.; Mizuno, Y.; Okada, K. [National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi 509-5292 (Japan); Tatematsu, Y.; Saito, T. [Research Center for Development of Far-Infrared Region, University of Fukui, Fukui 910-8507 (Japan); Minami, R.; Kariya, T.; Imai, T. [Plasma Research Center, University of Tsukuba, Tsukuba 305-8577 (Japan)

2012-10-15T23:59:59.000Z

4

Property:PotentialRuralUtilityScalePVCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialRuralUtilityScalePVCapacity PotentialRuralUtilityScalePVCapacity Jump to: navigation, search Property Name PotentialRuralUtilityScalePVCapacity Property Type Quantity Description The nameplate capacity technical potential from rural utility-scale PV for a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

5

Property:PotentialUrbanUtilityScalePVCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialUrbanUtilityScalePVCapacity PotentialUrbanUtilityScalePVCapacity Jump to: navigation, search Property Name PotentialUrbanUtilityScalePVCapacity Property Type Quantity Description The nameplate capacity technical potential from utility-scale PV in urban areas of a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

6

Page not found | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

State Energy Program Conductor Optimized Rotary Energy Mega-Watt Scale Direct Wind Generator CX(s) Applied: A9, B5.1 Date: 09292010 Location(s): Ronan, Montana...

7

Extended Longitudinal Scaling: direct evidence of saturation  

E-Print Network (OSTI)

Multiparticle production of charged particles at high energies exhibit the phenomenon of Limiting Fragmentation. Furthermore, the region in rapidity over which the production of particles appears to be independent of energy, increases with energy. It is argued that this phenomenon, known as Extended Longitudinal Scaling, is a direct manifestation of some kind of saturation, akin to that in the Color Glass Condensate picture of particle production.

Wit Busza

2011-02-18T23:59:59.000Z

8

Commissioning and Start Up of a 110 MegaWatt Cogeneration Facility  

E-Print Network (OSTI)

"In December of 1987, Union Carbide successfully brought on line a 110,000 KVA combined cycle cogeneration facility. The construction, commissioning and start up of this complex facility was accomplished in a remarkably short twelve months. As with all projects of any magnitude, there were several technical challenges that developed during the course of the year. These challenges and the Project Team response will be discussed in some detail. Some areas include: 1. Procurement 2. Technical review of specs and drawings 3. Existing manufacturing facility constraints 4. Mechanical problems 5. Electrical problems 6. Control system / instrumentation problems The commissioning and start up had to be coordinated with existing Plant operations. As a result of the Project Team's efforts, the cogeneration facility achieved 100% of design output on December 22, 1987 without any significant impact on the manufacturing facility."

Good, R.

1988-09-01T23:59:59.000Z

9

Dynamical Subgrid-Scale Parameterizations from Direct Numerical Simulations  

Science Conference Proceedings (OSTI)

Dynamical subgrid-scale parameterizations of stochastic backscatter, eddy drain viscosity, and net eddy viscosity have been formulated and calculated for two-dimensional turbulent flows on the sphere based on the statistics of direct numerical ...

Jorgen S. Frederiksen; Steven M. Kepert

2006-11-01T23:59:59.000Z

10

SPR-8 multi-mega watt space power system (MMW-SPS) concept description and concept refinement plan  

SciTech Connect

The SPR-8 MMW-SPS concept can satisfy both continuous and burst mode power requirements. At 10 MWe continuous mode power for 5 yr and 75 MWe burst mode power for 200 sec, the SPR-8 concept can power radar systems for detecting ballistic missile launchings and for discriminating between warheads and decoys. When enemy action is detected the SPR-8 MMW-SPS can power a rail gun, free electron laser, or particle beam and destroy the missile in the boost phase or warheads in space flight. The SPR-8 concept is based on the SPR-6 system (ref. 1) for providing continuous mode power. The system uses a fast UN-fueled, lithium-cooled reactor. Heat is transferred from the lithium coolant to potassium in a shell and tube heat exchanger-boiler. Potassium vapor is expanded through a turbine in a saturated Rankine cycle. After passing through the turbine the potassium is condensed in a compact heat exchanger by transferring heat to the radiator working fluid. An advanced radiator design is envisioned. Much work will be required in radiator technology to achieve low mass and plan form. For completeness of the SPR-8 system concept, a charged liquid droplet radiator is assumed but other types should be considered. Mechanical pumps are used for simplicity, but other types should be considered. A block diagram of the SPR-8 system is given.

Walter, C.E.

1985-04-15T23:59:59.000Z

11

Direct Drive Wave Energy Buoy – Intermediate scale experiment  

SciTech Connect

Columbia Power Technologies deployed a scaled prototype wave energy converter (WEC) in the Puget Sound in February 2011. Other than a brief period (10 days) in which the WEC was removed for repair, it was in the water from Feb. 15, 2011 until Mar. 21, 2012. The SeaRay, as this WEC is known, consists of three rigid bodies which are constrained to move in a total of eight degrees of freedom (DOF). The SeaRay is kept on station with a spread, three-point mooring system. This prototype WEC is heavily instrumented, including but not limited to torque transducers and encoders reporting generator torque applied to and relative pitch of the floats, an inertial measurement unit (IMU) reporting translational acceleration and rotational position of the spar/nacelle, a GPS sensor reporting position, load cells reporting mooring loads at the WEC connection points and a number of strain gauges embedded in the fiberglass reinforced plastic (FRP) hull. Additionally, wave and current data are collected using an Acoustic Wave And Current Profiler (AWAC), allowing performance and design data to be correlated to environmental input conditions. This data – quality controlled, processed and analyzed – is used to characterize the metocean conditions (i.e. sea states). The WEC response will be correlated to the metocean conditions. These results will primarily be used to validate numerical models. The validated numerical models will be used optimize the commercial scale WEC and inform the design process. This document details the SeaRay experiment, including the quality control, processing and subsequent analysis of the data. Furthermore, the methodology and the results of numerical model validation will be described.

Rhinefrank, Kenneth E. [Columbia Power Technologies, Inc.; Lenee-Bluhm, Pukha [Columbia Power Technologies, Inc.; Prudell, Joseph H.; Schacher, Alphonse A. [Columbia Power Technologies, Inc.; Hammagren, Erik J.; Zhang, Zhe [Columbia Power Technologies, Inc.

2013-07-29T23:59:59.000Z

12

Direct and Indirect Effects of Latent Heat Release on a Synoptic-Scale Wave System  

Science Conference Proceedings (OSTI)

The primary goal of this paper is to diagnose, the “direct” and “indirect” effects of latent heat release on a synoptic-scale wave system containing an extratropical cyclone that developed over the eastern United States. To achieve this goal, ...

Patricia M. Pauley; Phillip J. Smith

1988-05-01T23:59:59.000Z

13

Experiments to investigate direct containment heating phenomena with scaled models of the Surry Nuclear Power Plant  

DOE Green Energy (OSTI)

The Containment Technology Test Facility (CTTF) and the Surtsey Test Facility at Sandia National Laboratories are used to perform scaled experiments that simulate High Pressure Melt Ejection accidents in a nuclear power plant (NPP). These experiments are designed to investigate the effects of direct containment heating (DCH) phenomena on the containment load. High-temperature, chemically reactive melt (thermite) is ejected by high-pressure steam into a scale model of a reactor cavity. Debris is entrained by the steam blowdown into a containment model where specific phenomena, such as the effect of subcompartment structures, prototypic air/steam/hydrogen atmospheres, and hydrogen generation and combustion, can be studied. Four Integral Effects Tests (IETs) have been performed with scale models of the Surry NPP to investigate DCH phenomena. The 1/61{sup th} scale Integral Effects Tests (IET-9, IET-10, and IET-11) were conducted in CTRF, which is a 1/6{sup th} scale model of the Surry reactor containment building (RCB). The 1/10{sup th} scale IET test (IET-12) was performed in the Surtsey vessel, which had been configured as a 1/10{sup th} scale Surry RCB. Scale models were constructed in each of the facilities of the Surry structures, including the reactor pressure vessel, reactor support skirt, control rod drive missile shield, biological shield wall, cavity, instrument tunnel, residual heat removal platform and heat exchangers, seal table room and seal table, operating deck, and crane wall. This report describes these experiments and gives the results.

Blanchat, T.K.; Allen, M.D.; Pilch, M.M. [Sandia National Labs., Albuquerque, NM (United States); Nichols, R.T. [Ktech Corp., Albuquerque, NM (United States)

1994-06-01T23:59:59.000Z

14

Scaling Analysis for the Direct Reactor Auxiliary Cooling System for AHTRs  

Science Conference Proceedings (OSTI)

The Direct Reactor Auxiliary Cooling System (DRACS), shown in Fig. 1 [1], is a passive heat removal system proposed for the Advanced High-Temperature Reactor (AHTR). It features three coupled natural circulation/convection loops completely relying on the buoyancy as the driving force. A prototypic design of the DRACS employed in a 20-MWth AHTR has been discussed in our previous work [2]. The total height of the DRACS is usually more than 10 m, and the required heating power will be large (on the order of 200 kW), both of which make a full-scale experiment not feasible in our laboratory. This therefore motivates us to perform a scaling analysis for the DRACS to obtain a scaled-down model. In this paper, theory and methodology for such a scaling analysis are presented.

Yoder Jr, Graydon L [ORNL; Wilson, Dane F [ORNL; Wang, X. NMN [Ohio State University; Lv, Q. NMN [Ohio State University; Sun, X NMN [Ohio State University; Christensen, R. N. [Ohio State University; Blue, T. E. [Ohio State University; Subharwall, Piyush [Idaho National Laboratory (INL)

2011-01-01T23:59:59.000Z

15

Scaling Analysis for the Direct Reactor Auxillary Cooling System For AHTRS  

Science Conference Proceedings (OSTI)

The Direct Reactor Auxiliary Cooling System (DRACS) is a passive heat removal system proposed for the Advanced High-Temperature Reactor (AHTR) that combines the coated particle fuel and graphite moderator with a liquid fluoride salt as the coolant. The DRACS features three coupled natural circulation/convection loops relying completely on buoyancy as the driving force. In the DRACS, two heat exchangers, namely, the DRACS Heat Exchanger (DHX) and the Natural Draft Heat Exchanger (NDHX) are used to couple these loops. In addition, a fluidic diode is employed to minimize the parasitic flow during normal operation of the reactor and to activate the DRACS in accidents. While the DRACS concept has been proposed, there are no actual prototypic DRACS systems for AHTRs built and tested in the literature. In this paper, a detailed scaling analysis for the DRACS is performed, which will provide guidance for the design of the scaled-down DRACS test facilities. Based on the Boussinesq assumption and one-dimensional flow formulation, the governing equations are non-dimensionalized by introducing appropriate dimensionless parameters. The key dimensionless numbers that characterize the DRACS system are obtained straightforwardly from the non-dimensional governing equations. Based on the dimensionless numbers and non-dimensional governing equations, similarity laws are proposed. In addition, a scaling methodology has also been developed, which consists of the core scaling and loop scaling. The consistence between the core and loop scaling is examined through the reference volume ratio, which can be obtained from the core and loop scaling processes. The scaling methodology and similarity laws have been applied to obtain a design of the scaled-down high-temperature DRACS test facility (HTDF).

Lv, Q. NMN [Ohio State University; Wang, X. NMN [Ohio State University; Sun, X NMN [Ohio State University; Christensen, R. N. [Ohio State University; Blue, T. E. [Ohio State University; Yoder Jr, Graydon L [ORNL; Wilson, Dane F [ORNL; Subharwall, Piyush [Idaho National Laboratory (INL); Adams, I. [Ohio State University, Columbus

2013-01-01T23:59:59.000Z

16

NETL: News Release - Full Scale Direct FuelCell? Completes One Year of  

NLE Websites -- All DOE Office Websites (Extended Search)

March 31, 2000 March 31, 2000 Full Scale Direct FuelCellTM Completes One Year of Operation Confirms Performance and Durability of New Energy Generating Technology A commercial design of an advanced fuel cell - the building block of a family of environmentally super-clean, fuel-flexible power plants - has passed several milestones in a joint public-private development effort. FuelCell Energy's Direct Fuel Cell The Direct FuelCell is a versatile, combustion-less power source being developed in the Department of Energy's fuel cell research program. It can use natural gas, methanol, ethanol, bio-gas or other hydrogen-rich fuels. FuelCell Energy, Inc. has completed one year of commercial design validation and endurance testing of a 250 kilowatt-class Direct FuelCellTM

17

Bounds for scaling exponents for a 1+1 dimensional directed polymer in a Brownian environment  

E-Print Network (OSTI)

We study the scaling exponents of a 1+1-dimensional directed polymer in a Brownian random environment introduced by O'Connell and Yor. For a version of the model with boundary conditions that are stationary in a space-time sense we identify the exact values of the exponents. For the version without the boundary conditions we get the conjectured upper bounds on the exponents.

Timo Seppäläinen; Benedek Valkó

2010-06-24T23:59:59.000Z

18

Nuclear recoil energy scale in liquid xenon with application to the direct detection of dark matter  

SciTech Connect

We show for the first time that the quenching of electronic excitation from nuclear recoils in liquid xenon is well-described by Lindhard theory, if the nuclear recoil energy is reconstructed using the combined (scintillation and ionization) energy scale proposed by Shutt et al.. We argue for the adoption of this perspective in favor of the existing preference for reconstructing nuclear recoil energy solely from primary scintillation. We show that signal partitioning into scintillation and ionization is well-described by the Thomas-Imel box model. We discuss the implications for liquid xenon detectors aimed at the direct detection of dark matter.

Sorensen, P; Dahl, C E

2011-02-14T23:59:59.000Z

19

Utility-Scale Power Router: Dynamic Control of Grid Assets Using Direct AC Converter Cells  

SciTech Connect

ADEPT Project: Georgia Tech is developing a cost-effective, utility-scale power router that uses an enhanced transformer to more efficiently direct power on the grid. Existing power routing technologies are too expensive for widespread use, but the ability to route grid power to match real-time demand and power outages would significantly reduce energy costs for utilities, municipalities, and consumers. Georgia Tech is adding a power converter to an existing grid transformer to better control power flows at about 1/10th the cost of existing power routing solutions. Transformers convert the high-voltage electricity that is transmitted through the grid into the low-voltage electricity that is used by homes and businesses. The added converter uses fewer steps to convert some types of power and eliminates unnecessary power storage, among other improvements. The enhanced transformer is more efficient, and it would still work even if the converter fails, ensuring grid reliability.

None

2010-09-01T23:59:59.000Z

20

Heart of Darkness: The Significance of the Zeptobarn Scale for Neutralino Direct Detection  

E-Print Network (OSTI)

The direct detection of dark matter through its elastic scattering off nucleons is among the most promising methods for establishing the particle identity of dark matter. The current bound on the spin-independent scattering cross section is sigma^SI 1 TeV, effectively decoupling squarks and sleptons from neutralino dark matter phenomenology. In this case, we find characteristic cross sections in the narrow range 1 zb 70 GeV. As sfermion masses are lowered to near their experimental limit mtilde ~ 400 GeV, the upper and lower limits of this range are extended, but only by factors of around two, and the lower limit is not significantly altered by relaxing many particle physics assumptions, varying the strange quark content of the nucleon, including the effects of galactic small-scale structure, or assuming other components of dark matter. Experiments are therefore rapidly entering the heart of dark matter-favored supersymmetry parameter space. If no signal is seen, supersymmetric models must contain some level of fine-tuning, and we identify and analyze several possibilities. Barring large cancellations, however, in a large and generic class of models, if thermal relic neutralinos are a significant component of dark matter, experiments will discover them as they probe down to the zeptobarn scale.

Jonathan L. Feng; David Sanford

2010-09-20T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Direct and full-scale experimental verifications towards ground-satellite quantum key distribution  

E-Print Network (OSTI)

Quantum key distribution (QKD), provides the only intrinsically unconditional secure method for communication based on principle of quantum mechanics. Compared with fiber-based demonstrations-, free-space links could provide the most appealing solution for much larger distance. Despite of significant efforts, so far all realizations rely on stationary sites. Justifications are therefore extremely crucial for applications via a typical Low Earth Orbit Satellite (LEOS). To achieve direct and full-scale verifications, we demonstrate here three independent experiments with a decoy-state QKD system overcoming all the demanding conditions. The system is operated in a moving platform through a turntable, a floating platform through a hot-air balloon, and a huge loss channel, respectively, for substantiating performances under rapid motion, attitude change, vibration, random movement of satellites and in high-loss regime. The experiments cover expanded ranges for all the leading parameters of LEOS. Our results pave the way towards ground-satellite QKD and global quantum communication network.

Jian-Yu Wang; Bin Yang; Sheng-Kai Liao; Liang Zhang; Qi Shen; Xiao-Fang Hu; Jin-Cai Wu; Shi-Ji Yang; Hao Jiang; Yan-Lin Tang; Bo Zhong; Hao Liang; Wei-Yue Liu; Yi-Hua Hu; Yong-Mei Huang; Bo Qi; Ji-Gang Ren; Ge-Sheng Pan; Juan Yin; Jian-Jun Jia; Yu-Ao Chen; Kai Chen; Chen-Zhi Peng; Jian-Wei Pan

2012-10-29T23:59:59.000Z

22

An investigation of the effect of pore scale flow on average geochemical reaction rates using direct numerical simulation  

Science Conference Proceedings (OSTI)

The scale-dependence of geochemical reaction rates hinders their use in continuum scale models intended for the interpretation and prediction of chemical fate and transport in subsurface environments such as those considered for geologic sequestration of CO{sub 2}. Processes that take place at the pore scale, especially those involving mass transport limitations to reactive surfaces, may contribute to the discrepancy commonly observed between laboratory-determined and continuum-scale or field rates. Here, the dependence of mineral dissolution rates on the pore structure of the porous media is investigated by means of pore scale modeling of flow and multicomponent reactive transport. The pore scale model is comprised of high performance simulation tools and algorithms for incompressible flow and conservative transport combined with a general-purpose multicomponent geochemical reaction code. The model performs direct numerical simulation of reactive transport based on an operator-splitting approach to coupling transport and reactions. The approach is validated with a Poiseuille flow single-pore experiment and verified with an equivalent 1D continuum-scale model of a capillary tube packed with calcite spheres. Using the case of calcite dissolution as an example, the high resolution model is used to demonstrate that non-uniformity in the flow field at the pore scale has the effect of decreasing the overall reactivity of the system, even when systems with identical reactive surface area are considered. The effect becomes more pronounced as the heterogeneity of the reactive grain packing increases, particularly where the flow slows sufficiently such that the solution approaches equilibrium locally and the average rate becomes transport-limited.

Rafa, S. Molins; Trebotich, D.; Steefel, C. I.; Shen, C.

2012-02-01T23:59:59.000Z

23

Scales  

NLE Websites -- All DOE Office Websites (Extended Search)

Cook County William N. Erickson, President Roberts Mann, Supt. of Conservation SCALES Fish are stream-lined. They have to be. Some kinds, like the catfish, are covered with a...

24

Evaluation Pilot-Scale Melter Systems for the Direct Vitrification Development Program  

Science Conference Proceedings (OSTI)

This report documents the results of an evaluation conducted to identify a joule-heated melter system that could be installed in the Idaho Falls area in support of the Direct Vitrification Development Program. The relocation was to be completed by January 1, 2002, within a total budget of one million dollars. Coordination with the Department of Energy Tanks Focus Area identified five melters or melter systems that could potentially support the Direct Vitrification Development Program. Each unit was inspected and evaluated based on qualitative criteria such as availability, completeness of the system, contamination, scalability, materials of construction, facility requirements, and any unique features.

Mc Cray, Casey William; Thomson, Troy David

2001-09-01T23:59:59.000Z

25

CX-004104: Categorical Exclusion Determination | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

4: Categorical Exclusion Determination 4: Categorical Exclusion Determination CX-004104: Categorical Exclusion Determination State Energy Program Conductor Optimized Rotary Energy Mega-Watt Scale Direct Wind Generator CX(s) Applied: A9, B5.1 Date: 09/29/2010 Location(s): Ronan, Montana Office(s): Energy Efficiency and Renewable Energy, Golden Field Office The Montana Department of Environmental Quality proposes to provide $500,000 of State Energy Program funds to Core Wind Power in Ronan, Montana to design, fabricate and test a new 3 megawatt, 8-meter wind turbine generator using existing printed circuit board manufacturing techniques and facilities. The Conductor Optimized Rotary Energy (CORE) technology uses a direct drive repeated multiplayer printed circuit board process to replace the old geared drive-train of the generator. This process will allow for

26

Categorical Exclusion Determinations: American Recovery and Reinvestment  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

9, 2010 9, 2010 CX-004104: Categorical Exclusion Determination State Energy Program Conductor Optimized Rotary Energy Mega-Watt Scale Direct Wind Generator CX(s) Applied: A9, B5.1 Date: 09/29/2010 Location(s): Ronan, Montana Office(s): Energy Efficiency and Renewable Energy, Golden Field Office September 28, 2010 CX-004168: Categorical Exclusion Determination Modeling Variable Refrigerant Flow Heat Pump and Heat Recovery Equipment in EnergyPlus CX(s) Applied: A1, A9, B2.2, B3.6, B5.1 Date: 09/28/2010 Location(s): Brevard County, Florida Office(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory September 27, 2010 CX-004077: Categorical Exclusion Determination Replacement of a Relay/Transfer Trip Rack at Redmond Substation and a Transfer Trip Panel at LaPine Substation

27

Bench-scale testing and evaluation of the direct sulfur recovery process. Final report, February 1990--March 1994  

SciTech Connect

The Direct Sulfur Recovery Process (DSRP) is a two-stage catalytic reduction process for efficiently recovering up to 99% or higher amounts of elemental sulfur from SO{sub 2}-containing regeneration tail-gas produced in advanced integrated gasification combined cycle (IGCC) power systems by reacting the tail-gas with a small slipstream of coal gas. In this project, the DSRP was demonstrated with simulated gases at bench-scale with 3-in. diameter, 1-L size catalytic reactors. Fundamental kinetic and modeling studies were conducted to explain the significantly higher than thermodynamically expected sulfur recoveries in DSRP and to enable prediction of sulfur recovery in larger reactors. Technology transfer activities to promote the DSRP consisted of publications and discussions with architectural engineering firms and industrial parties especially IGCC system developers. Toward the end of the project, an agreement was signed with an IGCC system developer to scale up the DSRP and test it with actual gases in their 10-MW (thermal) coal gasification pilot-plant under a cooperative R&D agreement with the US Department of Energy.

Gangwal, S.K.; Chen, D.H.

1994-05-01T23:59:59.000Z

28

Experiments to investigate direct containment heating phenomena with scaled models of the Calvert Cliffs Nuclear Power Plant  

Science Conference Proceedings (OSTI)

The Surtsey Test Facility is used to perform scaled experiments simulating High Pressure Melt Ejection accidents in a nuclear power plant (NPP). The experiments investigate the effects of direct containment heating (DCH) on the containment load. The results from Zion and Surry experiments can be extrapolated to other Westinghouse plants, but predicted containment loads cannot be generalized to all Combustion Engineering (CE) plants. Five CE plants have melt dispersal flow paths which circumvent the main mitigation of containment compartmentalization in most Westinghouse PWRs. Calvert Cliff-like plant geometries and the impact of codispersed water were addressed as part of the DCH issue resolution. Integral effects tests were performed with a scale model of the Calvert Cliffs NPP inside the Surtsey test vessel. The experiments investigated the effects of codispersal of water, steam, and molten core stimulant materials on DCH loads under prototypic accident conditions and plant configurations. The results indicated that large amounts of coejected water reduced the DCH load by a small amount. Large amounts of debris were dispersed from the cavity to the upper dome (via the annular gap). 22 refs., 84 figs., 30 tabs.

Blanchat, T.K.; Pilch, M.M.; Allen, M.D.

1997-02-01T23:59:59.000Z

29

Final Environmental Assessment Small-Scale Geothermal Power Plant and Direct-Use Geothermal Application at AmeriCulture Inc., Cotton City, NM  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Colorado 80401-3393 Colorado 80401-3393 August 26, 2002 DOE/EA-1396 FINDING OF NO SIGNIFICANT IMPACT For the SMALL-SCALE POWER PLANT AND DIRECT-USE GEOTHERMAL APPLICATION At AMERICULTURE, INC., COTTON CITY, NEW MEXICO AGENCY: U.S. Department of Energy, Golden Field Office ACTION: Finding of No Significant impact (FONSI) SUMMARY: The U.S. Department of Energy (DOE) conducted an Environmental Assessment (EA) of the Small-Scale Power Plant and Direct-Use Application at AmeriCulture, Inc. to evaluate potential impacts of construction and operations that would be funded in part by DOE. Small geothermal power plants have the potential for widespread application, but achieving cost- effectiveness in small plant sizes presents a number of challenges. To address these challenges, DOE is supporting the small-scale field verification projects to (1) determine and validate the

30

Fine Adjustment of Large Scale Air-Sea Energy Flux Parameterizations by Direct Estimates of Ocean Heat Transport  

Science Conference Proceedings (OSTI)

An inverse technique is used to adjust uncertain coefficients and parameters in the bulk formulae of climatological air-sea energy fluxes in order to obtain an agreement of indirect estimates of meridional heat transport with direct estimates in ...

Hans-Jörg Isemer; Jürgen Willebrand; Lutz Hasse

1989-10-01T23:59:59.000Z

31

Experiments to investigate direct containment heating phenomena with scaled models of the Zion Nuclear Power Plant in the Surtsey Test Facility  

SciTech Connect

The Surtsey Facility at Sandia National Laboratories (SNL) is used to perform scaled experiments that simulate hypothetical high-pressure melt ejection (HPME) accidents in a nuclear power plant (NPP). These experiments are designed to investigate the effect of specific phenomena associated with direct containment heating (DCH) on the containment load, such as the effect of physical scale, prototypic subcompartment structures, water in the cavity, and hydrogen generation and combustion. In the Integral Effects Test (IET) series, 1:10 linear scale models of the Zion NPP structures were constructed in the Surtsey vessel. The RPV was modeled with a steel pressure vessel that had a hemispherical bottom head, which had a 4-cm hole in the bottom head that simulated the final ablated hole that would be formed by ejection of an instrument guide tube in a severe NPP accident. Iron/alumina/chromium thermite was used to simulate molten corium that would accumulate on the bottom head of an actual RPV. The chemically reactive melt simulant was ejected by high-pressure steam from the RPV model into the scaled reactor cavity. Debris was then entrained through the instrument tunnel into the subcompartment structures and the upper dome of the simulated reactor containment building. The results of the IET experiments are given in this report.

Allen, M.D.; Pilch, M.M.; Blanchat, T.K.; Griffith, R.O. [Sandia National Labs., Albuquerque, NM (United States); Nichols, R.T. [Ktech Corp., Albuquerque, NM (United States)

1994-05-01T23:59:59.000Z

32

LARGE-SCALE DISTRIBUTION OF ARRIVAL DIRECTIONS OF COSMIC RAYS DETECTED ABOVE 10{sup 18} eV AT THE PIERRE AUGER OBSERVATORY  

SciTech Connect

A thorough search for large-scale anisotropies in the distribution of arrival directions of cosmic rays detected above 10{sup 18} eV at the Pierre Auger Observatory is presented. This search is performed as a function of both declination and right ascension in several energy ranges above 10{sup 18} eV, and reported in terms of dipolar and quadrupolar coefficients. Within the systematic uncertainties, no significant deviation from isotropy is revealed. Assuming that any cosmic-ray anisotropy is dominated by dipole and quadrupole moments in this energy range, upper limits on their amplitudes are derived. These upper limits allow us to test the origin of cosmic rays above 10{sup 18} eV from stationary Galactic sources densely distributed in the Galactic disk and predominantly emitting light particles in all directions.

Abreu, P.; Andringa, S. [LIP and Instituto Superior Tecnico, Technical University of Lisbon (Portugal); Aglietta, M. [Istituto di Fisica dello Spazio Interplanetario (INAF), Universita di Torino and Sezione INFN, Torino (Italy); Ahlers, M. [University of Wisconsin, Madison, WI (United States); Ahn, E. J. [Fermilab, Batavia, IL (United States); Albuquerque, I. F. M. [Instituto de Fisica, Universidade de Sao Paulo, Sao Paulo, SP (Brazil); Allard, D. [Laboratoire AstroParticule et Cosmologie (APC), Universite Paris 7, CNRS-IN2P3, Paris (France); Allekotte, I. [Centro Atomico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche (Argentina); Allen, J. [New York University, New York, NY (United States); Allison, P. [Ohio State University, Columbus, OH (United States); Almela, A. [Facultad Regional Buenos Aires, Universidad Tecnologica Nacional, Buenos Aires (Argentina); Alvarez Castillo, J. [Universidad Nacional Autonoma de Mexico, Mexico, D. F. (Mexico); Alvarez-Muniz, J. [Universidad de Santiago de Compostela (Spain); Alves Batista, R. [IFGW, Universidade Estadual de Campinas, Campinas, SP (Brazil); Ambrosio, M.; Aramo, C. [Universita di Napoli 'Federico II' and Sezione INFN, Napoli (Italy); Aminaei, A. [IMAPP, Radboud University Nijmegen (Netherlands); Anchordoqui, L. [University of Wisconsin, Milwaukee, WI (United States); Antici'c, T. [Rudjer Boskovi'c Institute, 10000 Zagreb (Croatia); Arganda, E. [IFLP, Universidad Nacional de La Plata and CONICET, La Plata (Argentina); Collaboration: Pierre Auger Collaboration; and others

2012-12-15T23:59:59.000Z

33

Saturation of the Two-Plasmon Decay Instability in Long-Scale-Length Plasmas Relevant to Direct-Drive Inertial Confinement Fusion  

SciTech Connect

Measurements of the hot-electron generation by the two-plasmon-decay instability are made in plasmas relevant to direct-drive inertial confinement fusion. Density-scale lengths of 400 {micro}m at n{sub cr}/4 in planar CH targets allowed the two-plasmon-decay instability to be driven to saturation for vacuum intensities above ~3.5 x 10{sup 14} W cm{sup -2}. In the saturated regime, ~1% of the laser energy is converted to hot electrons. The hot-electron temperature is measured to increase rapidly from 25 to 90 keV as the laser beam intensity is increased from 2 to 7 x 10{sup 14} W cm{sup -2}. This increase in the hot-electron temperature is compared with predictions from nonlinear Zakharov models.

Yaakobi, B; Hu, S X; Chang, P -Y; Craxton, R S; Edgell, D H; Follett, R; Michel, D T; Myatt, J F; Seka, W; Short, R W; Solodov, A A

2012-04-20T23:59:59.000Z

34

Utility-Scale Solar Power Converter: Agile Direct Grid Connect Medium Voltage 4.7-13.8 kV Power Converter for PV Applications Utilizing Wide Band Gap Devices  

SciTech Connect

Solar ADEPT Project: Satcon is developing a compact, lightweight power conversion device that is capable of taking utility-scale solar power and outputting it directly into the electric utility grid at distribution voltage levels—eliminating the need for large transformers. Transformers “step up” the voltage of the power that is generated by a solar power system so it can be efficiently transported through transmission lines and eventually “stepped down” to usable voltages before it enters homes and businesses. Power companies step up the voltage because less electricity is lost along transmission lines when the voltage is high and current is low. Satcon’s new power conversion devices will eliminate these heavy transformers and connect a utility-scale solar power system directly to the grid. Satcon’s modular devices are designed to ensure reliability—if one device fails it can be bypassed and the system can continue to run.

None

2012-01-25T23:59:59.000Z

35

The ion acoustic decay instability in a large scale, hot plasma relevant to direct drive laser fusion -- Application to a critical surface diagnostic. Final report  

SciTech Connect

The authors have studied the ion acoustic decay instability in a large ({approximately} 1 mm) scale, hot ({approximately} 1 keV) plasma, which is relevant to a laser fusion reactor target. They have shown that the instability threshold is low. They have developed a novel collective Thomson scattering diagnostic at a 90{degree} scattering angle. The scattering is nonetheless coherent, because of the modest ratio of the frequency of the probe laser to that of the pump laser, such that even for such a large angle, (k{lambda}{sub De}){sup 2} is much less than one. With this system they have measured the electron plasma wave excited by the ion acoustic decay instability near the critical density (n{sub e} {approximately} 0.86 n{sub c}). This allows them to use the frequency of the detected wave to measure the electron temperature in the interaction region, obtaining a result reasonably close to that predicted by the SAGE computer code.

Mizuno, K.; DeGroot, J.S.; Drake, R.P.; Seka, W.; Craxton, R.S.; Estabrook, K.G.

1996-08-01T23:59:59.000Z

36

Research Challenges for CMOS Scaling: Industry Directions  

Science Conference Proceedings (OSTI)

... English French Russian German Italian Spanish Brazilian Portuguese Arabic Traditional Chinese Simplified Chinese Hindi Tamil Thai Korean

37

NREL: About NREL - Visiting NREL  

NLE Websites -- All DOE Office Websites (Extended Search)

of the NREL campus. Golden Laboratories and Offices Photo of several multi-mega watt wind turbines with mountains in the background. National Wind Technology Center Photo of...

38

JGI - Directions  

NLE Websites -- All DOE Office Websites (Extended Search)

Map to JGI Directions from Directions from key local start points, public transit Home > About Us > Map to JGI UC logo DOE logo Contact Us Credits Disclaimer Access...

39

Fish Scales  

NLE Websites -- All DOE Office Websites (Extended Search)

Fish Scales Name: Kaylee Location: NA Country: NA Date: NA Question: Do all fish have scales? Replies: No, some like catfish and bullheads, have smooth skins. J. Elliott No,...

40

JGI - Directions  

NLE Websites -- All DOE Office Websites (Extended Search)

Directions Address DOE Joint Genome Institute 2800 Mitchell Drive Walnut Creek, CA 94598 From Oakland Airport Follow Airport exit signs onto AIRPORT DR. Turn RIGHT onto HEGENBERGER...

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

SITEWIDE CATEGORICAL EXCLUSION FOR SMALJ,SCALE RESEARCH AND DEVELOPMEN...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

and equipment for bench-scale use * minor modifications to rooms, equipment, and instrumentation if in direct support of bench-scale laboratory operations. Proposed...

42

Nuclear scales  

Science Conference Proceedings (OSTI)

Nuclear scales are discussed from the nuclear physics viewpoint. The conventional nuclear potential is characterized as a black box that interpolates nucleon-nucleon (NN) data, while being constrained by the best possible theoretical input. The latter consists of the longer-range parts of the NN force (e.g., OPEP, TPEP, the {pi}-{gamma} force), which can be calculated using chiral perturbation theory and gauged using modern phase-shift analyses. The shorter-range parts of the force are effectively parameterized by moments of the interaction that are independent of the details of the force model, in analogy to chiral perturbation theory. Results of GFMC calculations in light nuclei are interpreted in terms of fundamental scales, which are in good agreement with expectations from chiral effective field theories. Problems with spin-orbit-type observables are noted.

Friar, J.L.

1998-12-01T23:59:59.000Z

43

Parabolic Scaling and Curvelets Beyond Parabolic Scaling  

E-Print Network (OSTI)

Parabolic Scaling and Curvelets Beyond Parabolic Scaling Cubic Scaling for Caustics and Tangential on Imaging Science Hart F. Smith Cubic Scaling for Caustics and Tangential Reflections #12;Parabolic Scaling and Curvelets Beyond Parabolic Scaling The Second Dyadic Decomposition Wave-Evolution of Curvelets Second Dyadic

Smith, Hart F.

44

Sunlight Direct | Open Energy Information  

Open Energy Info (EERE)

Direct Direct Jump to: navigation, search Name Sunlight Direct Place San Diego, California Zip 92128 Sector Solar Product Developed a system that tracks and concentrates solar energy for distributed power generation Website http://www.sunlight-direct.com Coordinates 33.0013938°, -117.0735241° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":33.0013938,"lon":-117.0735241,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

45

EU Metric Directive  

Science Conference Proceedings (OSTI)

... View EU Metric Directive Commission Services Working Document PDF ... of European Union (EU) Meeting on Metric Directives (2005); Packaging ...

2012-12-13T23:59:59.000Z

46

Atomic Scale Investigation of Classical and Non-Classical Gamma ...  

Science Conference Proceedings (OSTI)

Direct experimental atomic scale evidence for such a mechanism will be ... Thermo-Kinetic Computer Simulation of Precipitation and Age-Hardening Effect in ...

47

Understanding Trends in Wind Turbine Prices Over the Past Decade  

E-Print Network (OSTI)

Bloomberg NEF”). 2011c. Wind Turbine Price Index, Issue V.Hand, A. Laxson. 2006. Wind Turbine Design Cost and Scalingof a Multi-MegaWatt Wind Turbine. ” Renewable Energy, vol.

Bolinger, Mark

2012-01-01T23:59:59.000Z

48

bonus.cdr  

Office of Legacy Management (LM)

later as an integral boiler-superheater. Operation at full power (50 mega- watts of thermal energy) and full temperature (900 F 482 C steam) was achieved in September 1965,...

49

The Scale of Dark QCD  

E-Print Network (OSTI)

Most of the mass of ordinary matter has its origin from quantum chromodynamics (QCD). A similar strong dynamics, dark QCD, could exist to explain the mass origin of dark matter. Using infrared fixed points of the two gauge couplings, we provide a dynamical mechanism that relates the dark QCD confinement scale to our QCD scale, and hence provides an explanation for comparable dark baryon and proton masses. Together with a mechanism that generates equal amounts of dark baryon and ordinary baryon asymmetries in the early universe, the similarity of dark matter and ordinary matter energy densities can be naturally explained. For a large class of gauge group representations, the particles charged under both QCD and dark QCD, necessary ingredients for generating the infrared fixed points, are found to have masses at one to two TeV, which sets the scale for dark matter direct detection and novel collider signatures involving visible and dark jets.

Yang Bai; Pedro Schwaller

2013-06-19T23:59:59.000Z

50

Building Scale DC Microgrids  

NLE Websites -- All DOE Office Websites (Extended Search)

Scale DC Microgrids Title Building Scale DC Microgrids Publication Type Conference Proceedings LBNL Report Number LBNL-5729E Year of Publication 2012 Authors Marnay, Chris, Steven...

51

Silica Scaling Removal Process  

NLE Websites -- All DOE Office Websites (Extended Search)

applications for which silica scaling must be prevented Benefits: Reduces scaling in cooling towers by up to 50% Increases the number of cycles of concentration substantially...

52

Principles Governing Departmental Directives  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

ELEMENTS FROM: SAMUEL W. BODMA 4 SUBJECT: Principles Governing Departmental Directives The Department of Energy uses directives as its primary means to establish,...

53

directed acyclic word graph  

Science Conference Proceedings (OSTI)

... and R. Verin, Direct Construction of Compact Directed Acyclic Word Graphs, 8th Annual Symposium, CPM 97, Aarhus, Denmark, 116-129, 1997. ...

2013-08-23T23:59:59.000Z

54

Direct process for explosives  

SciTech Connect

A direct process of making ethylenediamine dinitrate through the reaction of ethylenediamine and ammonium nitrate.

Akst, Irving B. (1032 Duncan St., Pampa, TX 79065); Stinecipher, Mary M. (324 Connie St., Los Alamos, NM 87544)

1982-01-01T23:59:59.000Z

55

Foreign Direct Investment  

Gasoline and Diesel Fuel Update (EIA)

Investment Investment Foreign Direct Investment Foreign Direct Investment Foreign Direct Investment in U.S. Energy in U.S. Energy in U.S. Energy in U.S. Energy in 1999 in 1999 in 1999 in 1999 June 2001 ii iii Contents Foreign Affiliates' Role in U.S. Energy Industry Operations ..............................................................................1 Foreign Direct Investment: The International Transactions Accounts ..............................................................8 U.S. Companies' Direct Investment Abroad in Energy ......................................................................................14 Conclusion...............................................................................................................................................................19

56

Direct Photons at RHIC  

E-Print Network (OSTI)

Abstract. The PHENIX experiment has measured direct photons in ? sNN = 200 GeV Au+Au collisions and p+p collisions. The fraction of photons due to direct

Saskia Mioduszewski; Phenix Collaboration

2004-01-01T23:59:59.000Z

57

Direct Loan Program (Connecticut)  

Energy.gov (U.S. Department of Energy (DOE))

The Connecticut Development Authority’s Direct Loan Program provides direct senior and subordinated loans and mezzanine investments to companies creating or maintaining jobs. Up to $20,000 per job...

58

Yield scalings of clusters with fewer than 100 nucleons  

E-Print Network (OSTI)

This document gives a historical review of the scaling of particles yields emitted from excited nuclei. The focus will be on what scaling is, what can be learned from scaling, the underlying theory of why one might expect particle yields to scale, how experimental particle yields have been observed to scale, model systems where particle (cluster) yields do scale and finally scaling observed in the particle yields of various low and medium energy nuclear reaction experiments. The document begins with a basic introduction to scaling in the study of critical phenomena and then reviews Fisher's theory which has all the aspects of scaling and can be directly applied to the counting of clusters, the most reliable measurement accessible to the experimental study of nuclear reactions. Also this document gives a history of the various scalings observed in nuclear reaction experiments and culminates with an estimate of the nuclear liquid-vapor phase boundary based upon measured particle yields.

James B. Elliott; Kyrill A. Bugaev; Luciano G. Moretto; Larry Phair

2006-08-14T23:59:59.000Z

59

Direct process for explosives  

DOE Patents (OSTI)

A direct process of making ethylenediamine dinitrate through the reaction of ethylenediamine and ammonium nitrate is described.

Akst, I.B.; Stinecipher, M.M.

1982-10-12T23:59:59.000Z

60

Extreme Scale Visual Analytics  

Science Conference Proceedings (OSTI)

Extreme-scale visual analytics (VA) is about applying VA to extreme-scale data. The articles in this special issue examine advances related to extreme-scale VA problems, their analytical and computational challenges, and their real-world applications.

Wong, Pak C.; Shen, Han-Wei; Pascucci, Valerio

2012-05-08T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Direct e-beam lithography of PDMS  

Science Conference Proceedings (OSTI)

In this paper, the viability of directly exposing thin films of liquid poly(dimethylsiloxane) (PDMS) to electron beam (e-beam) irradiation using e-beam lithographic methods for the purpose of creating permanent micro-scale components has been investigated. ... Keywords: Lithography, PDMS, Poly(dimethylsiloxane), e-Beam

J. Bowen; D. Cheneler; A. P. G. Robinson

2012-09-01T23:59:59.000Z

62

Coal Direct Chemical Looping (CDCL) Process Development  

NLE Websites -- All DOE Office Websites (Extended Search)

Direct Chemical Looping (CDCL) Retrofit to Direct Chemical Looping (CDCL) Retrofit to Pulverized Coal Power Plants for In-Situ CO 2 Capture William G. Lowrie Department of Chemical & Biomolecular Engineering The Ohio State University Columbus, OH 43210 Award #: DE-NT0005289 PI: Liang-Shih Fan Presenter: Samuel Bayham Department of Chemical and Biomolecular Engineering The Ohio State University 2013 NETL CO2 Capture Technology Meeting July 11, 2013 Pittsburgh, PA Clean Coal Research Laboratory at The Ohio State University Sub-Pilot Scale Unit 250kW th Pilot Unit (Wilsonville, Alabama) Syngas Chemical Looping Coal-Direct Chemical Looping Cold Flow Model Sub-Pilot Scale Unit HPHT Slurry Bubble Column 120kW th Demonstration Unit Calcium Looping Process CCR Process Sub-Pilot Unit F-T Process

63

Direct Photons at RHIC  

E-Print Network (OSTI)

The PHENIX experiment has measured direct photons in $\\sqrt{s_{NN}} = 200$ GeV Au+Au collisions and p+p collisions. The fraction of photons due to direct production in Au+Au collisions is shown as a function of $p_T$ and centrality. This measurement is compared with expectation from pQCD calculations. Other possible sources of direct photons are discussed.

S. Mioduszewski; for the PHENIX Collaboration

2004-09-29T23:59:59.000Z

64

Silica Scaling Removal Process  

NLE Websites -- All DOE Office Websites (Extended Search)

Silica Scaling Removal Process Silica Scaling Removal Process Silica Scaling Removal Process Scientists at Los Alamos National Laboratory have developed a novel technology to remove both dissolved and colloidal silica using small gel particles. Available for thumbnail of Feynman Center (505) 665-9090 Email Silica Scaling Removal Process Applications: Cooling tower systems Water treatment systems Water evaporation systems Potential mining applications (produced water) Industry applications for which silica scaling must be prevented Benefits: Reduces scaling in cooling towers by up to 50% Increases the number of cycles of concentration substantially Reduces the amount of antiscaling chemical additives needed Decreases the amount of makeup water and subsequent discharged water (blowdown) Enables considerable cost savings derived from reductions in

65

Direct Photons at RHIC  

E-Print Network (OSTI)

A brief overview of direct-photon measurements in p+p and Au+Au collisions at sqrt(s_NN) = 200 GeV with the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) is given. Direct-photon yields for pT > 4 GeV/c and photon-hadron azimuthal correlations were determined with the aid of an electromagnetic calorimeter. By detecting e+e- pairs from the internal conversion of virtual photons direct-photon yields were measured between 1 direct-photon yield in this range.

Klaus Reygers; for the PHENIX Collaboration

2009-08-17T23:59:59.000Z

66

Direct energy conversion systems  

SciTech Connect

The potential importance of direct energy conversion to the long-term development of fusion power is discussed with stress on the possibility of alleviating waste heat problems. This is envisioned to be crucial for any central power station in the 21st century. Two approaches to direct conversion, i.e., direct collection and magnetic expansion, are reviewed. While other techniques may be possible, none have received sufficient study to allow evaluation. It is stressed that, due to the intimate connection between the type of fusion fuel, the confinement scheme, direct conversion, and the coupling technique, all four element must be optimized simultaneously for high overall efficiency.

Miley, G.H.

1978-01-01T23:59:59.000Z

67

Scaling Issues for Large-Scale Grids  

E-Print Network (OSTI)

· ESNet Can Play a Very Important Role in the Science Grid � Security Aspects of Grids · ESNet Can Provide will be important and very useful for managing large-scale virtual org. structures #12;·ESNet Can Play a Very Important Role in the Science Grid · ESNet can provide a rooted and managed namespace, and a place to home

68

Reflected Solar Radiances from Regional Scale Scenes  

Science Conference Proceedings (OSTI)

A set of bi-directional reflectance models is presented for various atmospheric scene types. The models were composited from data collected from an aircraft platform in May-July 1979 during Summer MONEX. The space scale of the composited models ...

John M. Davis; Stephen K. Cox

1982-11-01T23:59:59.000Z

69

Thermodynamics and scale relativity  

E-Print Network (OSTI)

It is shown how the fractal paths of scale relativity (following Nottale) can be introduced into a thermodynamical context (following Asadov-Kechkin).

Carroll, Robert

2011-01-01T23:59:59.000Z

70

Silica Scaling Removal Process  

NLE Websites -- All DOE Office Websites (Extended Search)

systems Water treatment systems Water evaporation systems Potential mining applications (produced water) Industry applications for which silica scaling must be prevented Benefits:...

71

Locality and Scaling of Quenched Overlap Fermions  

SciTech Connect

The overlap fermion offers the tremendous advantage of exact chiral symmetry on the lattice, but is numerically intensive. This can be made affordable while still providing large lattice volumes, by using coarse lattice spacing, given that good scaling and localization properties are established. Here, using overlap fermions on quenched Iwasaki gauge configurations, we demonstrate directly that the overlap Dirac operator's range is comfortably small in lattice units for each of the lattice spacings 0.20 fm, 0.17 fm, and 0.13 fm (and scales to zero in physical units in the continuum limit). In particular, our direct results contradict recent speculation that an inverse lattice spacing of 1 GeV is too low to have satisfactory localization. Furthermore, hadronic masses (available on the two coarser lattices) scale very well.

Terrence Draper; Nilmani Mathur; Jianbo Zhang; Andrei Alexandru; Ying Chen; Shao-Jing Dong; Ivan Horvath; Frank Lee; Sonali Tamhankar

2005-07-01T23:59:59.000Z

72

Directions and Maps  

NLE Websites -- All DOE Office Websites (Extended Search)

Directions & Maps Directions & Maps Plan Your Visit Visit About the Museum Museum Hours Directions & Maps When to Visit Arrange for a Visit Around Los Alamos Contact Us invisible utility element Directions and Maps Aerial View of Los Alamos Aerial approach to the Los Alamos airport Where we're located Los Alamos (elevation 7,355 feet) is perched high atop the Pajarito Plateau in the Jemez Mountains, 35 miles northwest of Santa Fe. The Bradbury Science Museum is located in downtown Los Alamos at the corner of Central Avenue and 15th Street. If you're driving here and using GPS navigation, our address is 1350 Central Avenue, Los Alamos, NM 87544. How to get here From Albuquerque take I-25 north to Santa Fe (take NM 599 for most direct route), then US 84/285 north to Pojoaque. At Pojoaque take the NM 502 exit

73

direct_deposit_111609  

NLE Websites -- All DOE Office Websites (Extended Search)

PROTECT YOUR BANKING INFORMATION: PROTECT YOUR BANKING INFORMATION: DO NOT complete this form until you are ready to submit it to the Payroll Department. DIRECT DEPOSIT REQUEST Directions: 1. Provide required information neatly, legibly; 2. If Checking Account Direct Deposit, include a voided check. a. DO NOT submit a deposit slip! 3. If Savings Account Direct Deposit, include a copy of savings card. 4. Sign this form; 5. Inter-office mail it to Craft Payroll at "P238." DIRECT DEPOSITION AUTHORIZATION I hereby authorize Los Alamos National Laboratory, hereinafter called The Laboratory, to initiate credit entries and, if necessary, debit entries and adjustments for any credit entries in error to my account listed on this form. If deposit is for:

74

The Quest for K?—Preliminary Results from Direct Measurements of Turbulent Fluxes in the Ocean  

Science Conference Proceedings (OSTI)

Simultaneous measurements of vertical velocity fluctuations, w?, and temperature fluctuations, T?, on scales of three-dimensional turbulence yield a direct measure of the turbulent heat flux, Jq. The scales contributing most significantly to Jq ...

J. N. Moum

1990-12-01T23:59:59.000Z

75

Advanced concepts in large-scale network simulation  

Science Conference Proceedings (OSTI)

This tutorial paper reviews existing concepts and future directions in selected areas related to simulation of large-scale networks. It covers specifically topics in traffic modeling, simulation of routing, network emulation, and real-time simulation.

David M. Nicol; Michael Liljenstam; Jason Liu

2005-12-01T23:59:59.000Z

76

Full-Scale Tornado-Missile Impact Tests  

Science Conference Proceedings (OSTI)

The testing described in this report provides data from full-scale simulated tornado-missile impacts on reinforced concrete walls. These data can be used directly for design and for the development of improved design and analysis techniques.

1977-07-01T23:59:59.000Z

77

Surface Wind Direction Variability  

Science Conference Proceedings (OSTI)

Common large shifts of wind direction in the weak-wind nocturnal boundary layer are poorly understood and are not adequately captured by numerical models and statistical parameterizations. The current study examines 15 datasets representing a ...

Larry Mahrt

2011-01-01T23:59:59.000Z

78

2013 FCMN Directions  

Science Conference Proceedings (OSTI)

... $100 (one way). Driving directions: Take I-95S to Exit 4B towards Washington.Merge onto I-495 to Exit 27 towards Silver Spring.Slight right onto ...

2013-02-27T23:59:59.000Z

79

Direct nuclear pumped laser  

DOE Patents (OSTI)

There is provided a direct nuclear pumped gas laser in which the lasing mechanism is collisional radiated recombination of ions. The gas laser active medium is a mixture of the gases, with one example being neon and nitrogen.

Miley, George H. (Champagne, IL); Wells, William E. (Urbana, IL); DeYoung, Russell J. (Hampton, VA)

1978-01-01T23:59:59.000Z

80

Maps & Directions | ORNL  

NLE Websites -- All DOE Office Websites (Extended Search)

Maps & Directions ORNL is located in Roane County, Tennessee, about 7 miles from the center of the city of Oak Ridge and about 25 miles from the McGhee Tyson Airport near...

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

The Scaling of the No Scale Potential and de Sitter Model Building  

E-Print Network (OSTI)

We propose a variant of the KKLT (A)dS flux vacuum construction which does not require an antibrane to source the volume modulus. The strategy is to find nonzero local minima of the no-scale potential in the complex structure and dilaton directions in moduli space. The corresponding no-scale potential expanded about this point sources the volume modulus in the same way as does the antibrane of the KKLT construction. We exhibit explicit examples of such nonzero local minima of the no-scale potential in a simple toroidal orientifold model.

Alex Saltman; Eva Silverstein

2004-02-18T23:59:59.000Z

82

Refrigerant directly cooled capacitors  

DOE Patents (OSTI)

The invention is a direct contact refrigerant cooling system using a refrigerant floating loop having a refrigerant and refrigeration devices. The cooling system has at least one hermetic container disposed in the refrigerant floating loop. The hermetic container has at least one electronic component selected from the group consisting of capacitors, power electronic switches and gating signal module. The refrigerant is in direct contact with the electronic component.

Hsu, John S. (Oak Ridge, TN); Seiber, Larry E. (Oak Ridge, TN); Marlino, Laura D. (Oak Ridge, TN); Ayers, Curtis W. (Kingston, TN)

2007-09-11T23:59:59.000Z

83

Outline Development of Direct PCR Benefits of Direct PCR ...  

Science Conference Proceedings (OSTI)

... 1 Direct PCR Amplification of STR Loci: Protocols and Performance ... Benefits of direct PCR • Collection media: FTA and 903 paper ...

2011-05-31T23:59:59.000Z

84

A Multiscale Remote Sensing Model for Disaggregating Regional Fluxes to Micrometeorological Scales  

Science Conference Proceedings (OSTI)

Disaggregation of regional-scale (103 m) flux estimates to micrometeorological scales (101–102 m) facilitates direct comparison between land surface models and ground-based observations. Inversely, it also provides a means for upscaling flux-...

Martha C. Anderson; J. M. Norman; John R. Mecikalski; Ryan D. Torn; William P. Kustas; Jeffrey B. Basara

2004-04-01T23:59:59.000Z

85

Economics of geothermal direct-heat applications  

DOE Green Energy (OSTI)

Cost and production data from five commercial-scale geothermal direct-heat application projects are reviewed. Unit costs of geothermal energy under a variety of assumptions about production levels, costs, tax treatment, financial structure, and cost of capital are calculated and compared to prices of conventional fuels which would be displaced over the life of a geothermal project. Geothermal energy is found to be less costly than distillate fuel oil for all cases examined and cheaper than natural gas in many cases.

Hederman, W.F. Jr.; Cohen, L.A.

1981-10-01T23:59:59.000Z

86

Digital scale converter  

DOE Patents (OSTI)

A digital scale converter is provided for binary coded decimal (BCD) conversion. The converter may be programmed to convert a BCD value of a first scale to the equivalent value of a second scale according to a known ratio. The value to be converted is loaded into a first BCD counter and counted down to zero while a second BCD counter registers counts from zero or an offset value depending upon the conversion. Programmable rate multipliers are used to generate pulses at selected rates to the counters for the proper conversion ratio. The value present in the second counter at the time the first counter is counted to the zero count is the equivalent value of the second scale. This value may be read out and displayed on a conventional seven-segment digital display.

Upton, Richard G. (Oak Ridge, TN)

1978-01-01T23:59:59.000Z

87

Large-Scale Hydropower  

Energy.gov (U.S. Department of Energy (DOE))

Large-scale hydropower plants are generally developed to produce electricity for government or electric utility projects. These plants are more than 30 MW in size, and there is more than 80,000 MW...

88

Fish scales and growth  

NLE Websites -- All DOE Office Websites (Extended Search)

Fish scales and growth Name: Belinda Clark Location: NA Country: NA Date: NA Question: In my daughter's book about fish, it states that fish continue to get bigger as they age...

89

Lightning Scaling Relations Revisited  

Science Conference Proceedings (OSTI)

Scaling relations connecting storm electrical generator power (and hence lightning flash rate) to charge transport velocity and storm geometry were originally posed by Vonnegut in the 1960s. These were later simplified to yield simple ...

Dennis J. Boccippio

2002-03-01T23:59:59.000Z

90

Direct Photons at RHIC  

E-Print Network (OSTI)

Direct photons are ideal tools to investigate kinematical and thermodynamical conditions of heavy ion collisions since they are emitted from all stages of the collision and once produced they leave the interaction region without further modification by the medium. The PHENIX experiment at RHIC has measured direct photon production in p+p and Au+Au collisions at 200 GeV over a wide transverse momentum ($p_T$) range. The $p$ + $p$ measurements allow a fundamental test of QCD, and serve as a baseline when we try to disentangle more complex mechanisms producing high $p_T$ direct photons in Au+Au. As for thermal photons in Au+Au we overcome the difficulties due to the large background from hadronic decays by measuring "almost real" virtual photons which appear as low invariant mass $e^+e^-$ pairs: a significant excess of direct photons is measured above the above next-to-leading order perturbative quantum chromodynamics calculations. Additional insights on the origin of direct photons can be gained with the study of the azimuthal anisotropy which benefits from the increased statistics and reaction plane resolution achieved in RHIC Year-7 data.

G. David; for the PHENIX Collaboration

2008-10-06T23:59:59.000Z

91

Direct conversion technology  

DOE Green Energy (OSTI)

The overall objective of the Direct Conversion Technology task is to develop an experimentally verified technology base for promising direct conversion systems that have potential application for energy conservation in the end-use sectors. This report contains progress of research on the Alkali Metal Thermal-to-Electric Converter (AMTEC) and on the Two-Phase Liquid-Metal MHD Electrical Generator (LMMHD) for the period January 1, 1991 through December 31, 1991. Research on AMTEC and on LMMHD was initiated during October 1987. Reports prepared on previous occasions (Refs. 1--5) contain descriptive and performance discussions of the following direct conversion concepts: thermoelectric, pyroelectric, thermionic, thermophotovoltaic, thermoacoustic, thermomagnetic, thermoelastic (Nitionol heat engine); and also, more complete descriptive discussions of AMTEC and LMMHD systems.

Massier, P.F.; Back, L.H.; Ryan, M.A.; Fabris, G.

1992-01-07T23:59:59.000Z

92

Direct Conversion Technology  

DOE Green Energy (OSTI)

The overall objective of the Direct Conversion Technology task is to develop an experimentally verified technology base for promising direct conversion systems that have potential application for energy conservation in the end-use sectors. Initially, two systems were selected for exploratory research and advanced development. These are Alkali Metal Thermal-to-Electric Converter (AMTEC) and Two-Phase Liquid Metal MD Generator (LMMHD). This report describes progress that has been made during the first six months of 1992 on research activities associated with these two systems. (GHH)

Back, L.H.; Fabris, G.; Ryan, M.A.

1992-07-01T23:59:59.000Z

93

Fish Scales and Science  

NLE Websites -- All DOE Office Websites (Extended Search)

Fish Scales and Science Fish Scales and Science Name: Amanda Location: N/A Country: N/A Date: N/A Question: In special education class.Science project time.Topic choosen is HOW DO SCALES HELP FISH? Any suggestions or information would be of help. Replies: Wait a minute. Why do you think the scales help the fish? How do you know they do? Have you talked to a fish lately? Maybe they are useless, or even a problem. Maybe the fish wishes it didn't have scales! I say this only to emphasize two things: First of all, when you think scientifically, the MOST IMPORTANT thing is to be very careful not to assume you know something when you really don't. What I mean by that is: don't think you know the answer before you are dead positive absolutely for-sure 100% certain that you do. Why? Why make a big fuss over being so very careful? Well, I hate to tell you this (but you probably already know it), it's just SO EASY for human beings to fool themselves, to think they know the answers when they really don't know AT ALL what they are talking about. If you have a brother or sister, you know EXACTLY what I mean, I expect.

94

Direct Drive Wave Energy Buoy  

SciTech Connect

The most prudent path to a full-scale design, build and deployment of a wave energy conversion (WEC) system involves establishment of validated numerical models using physical experiments in a methodical scaling program. This Project provides essential additional rounds of wave tank testing at 1:33 scale and ocean/bay testing at a 1:7 scale, necessary to validate numerical modeling that is essential to a utility-scale WEC design and associated certification.

Rhinefrank, Kenneth E. [Columbia Power Technologies, Inc.; Lenee-Bluhm, Pukha [Columbia Power Technologies, Inc.; Prudell, Joseph H. [Columbia Power Technologies, Inc.; Schacher, Alphonse A. [Columbia Power Technologies, Inc.; Hammagren, Erik J. [Columbia Power Technologies, Inc.; Zhang, Zhe [Columbia Power Technologies, Inc.

2013-07-29T23:59:59.000Z

95

Direct Card. SPECIAL SITUATIONS  

E-Print Network (OSTI)

will be deducted. Rental cars Your Direct Card can be used to pay your final balance. Some companies may require cash at ATMs and banks No checks. No lines. No hassles. 24/7 Customer Support Get Account Information number or your date of birth (mm/dd). By activating your card, you accept the Terms and Conditions

Reynolds, Albert C.

96

Direct fired heat exchanger  

DOE Patents (OSTI)

A gas-to-liquid heat exchanger system which transfers heat from a gas, generally the combustion gas of a direct-fired generator of an absorption machine, to a liquid, generally an absorbent solution. The heat exchanger system is in a counterflow fluid arrangement which creates a more efficient heat transfer.

Reimann, Robert C. (Lafayette, NY); Root, Richard A. (Spokane, WA)

1986-01-01T23:59:59.000Z

97

Directional gamma detector  

DOE Patents (OSTI)

An improved directional gamma radiation detector has a collector sandwiched etween two layers of insulation of varying thicknesses. The collector and insulation layers are contained within an evacuated casing, or emitter, which releases electrons upon exposure to gamma radiation. Delayed electrons and electrons entering the collector at oblique angles are attenuated as they pass through the insulation layers on route to the collector.

LeVert, Francis E. (Downers Grove, Knoxville, TN); Cox, Samson A. (Downers Grove, IL)

1981-01-01T23:59:59.000Z

98

Directional Drilling Systems | Open Energy Information  

Open Energy Info (EERE)

Directional Drilling Systems Directional Drilling Systems Jump to: navigation, search Geothermal ARRA Funded Projects for Directional Drilling Systems Loading map... {"format":"googlemaps3","type":"ROADMAP","types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"limit":200,"offset":0,"link":"all","sort":[""],"order":[],"headers":"show","mainlabel":"","intro":"","outro":"","searchlabel":"\u2026 further results","default":"","geoservice":"google","zoom":14,"width":"600px","height":"350px","centre":false,"layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","icon":"","visitedicon":"","forceshow":true,"showtitle":true,"hidenamespace":false,"template":false,"title":"","label":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"locations":[{"text":"

99

Angular Scaling In Jets  

SciTech Connect

We introduce a jet shape observable defined for an ensemble of jets in terms of two-particle angular correlations and a resolution parameter R. This quantity is infrared and collinear safe and can be interpreted as a scaling exponent for the angular distribution of mass inside the jet. For small R it is close to the value 2 as a consequence of the approximately scale invariant QCD dynamics. For large R it is sensitive to non-perturbative effects. We describe the use of this correlation function for tests of QCD, for studying underlying event and pile-up effects, and for tuning Monte Carlo event generators.

Jankowiak, Martin; Larkoski, Andrew J.; /SLAC

2012-02-17T23:59:59.000Z

100

Building Scale DC Microgrids  

E-Print Network (OSTI)

an increasingly familiar generation source and elec- tronicssource of ancillary services either to buffer local variable generation,sources, e.g. photovoltaic modules (PV), from other direct current (DC) generation,

Marnay, Chris

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

NIST Time Scale Data Archive  

Science Conference Proceedings (OSTI)

NIST Time Scale Data Archive. ... The AT1 scale is run in real time using data from an ensemble of cesium standards and hydrogen masers. ...

2013-08-07T23:59:59.000Z

102

Lab Scale Hydraulic Parameter Estimation .  

E-Print Network (OSTI)

??Hydraulic tomography has been tested at the field scale, lab scale and in synthetic experiments. Recently Illman and Berg have conducted studies at the lab… (more)

Hartz, Andrew Scott

2011-01-01T23:59:59.000Z

103

Scaled Solar | Open Energy Information  

Open Energy Info (EERE)

Product Scaled Solar manufacturers and markets utility-grade, concentrated photovoltaic solar energy systems to commercial customers References Scaled Solar1 LinkedIn...

104

Direct insolation models  

DOE Green Energy (OSTI)

Several recently published models of the direct component of the broadband insolation are compared for clear sky conditions. The comparison includes seven simple models and one rigorous model that is used as a basis for determining accuracy. Where possible, the comparison is made between the results of each model for each atmospheric constituent (H/sub 2/O, CO/sub 2/, O/sub 3/, O/sub 2/, aerosol and molecular scattering) separately as well as for the combined effect of all of the constituents. Two optimum simple models of varying degrees of complexity are developed as a result of this comparison. The study indicates: aerosols dominate the attenuation of the direct beam for reasonable atmospheric conditions; molecular scattering is next in importance; water vapor is an important absorber; and carbon dioxide and oxygen are relatively unimportant as attenuators of the broadband solar energy.

Bird, R.; Hulstrom, R.L.

1980-01-01T23:59:59.000Z

105

Letter: Direction and Guidance for Implementing Direct DOE Relationship &  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Letter: Direction and Guidance for Implementing Direct DOE Letter: Direction and Guidance for Implementing Direct DOE Relationship & Funding for EMSSABs Letter: Direction and Guidance for Implementing Direct DOE Relationship & Funding for EMSSABs From: Assistant Secretary, Jessie Hill Roberson (EM-11) To: Mr. Monte Wilson, Chair, INEEL Citizens Advisory Board This letter is in response to a November 21, 2003 letter regarding direction and guidance for implementing direct DOE relationship and funding for Environmental Management Site Specific Advisory Boards. Roberson Letter - December 12, 2003 More Documents & Publications Letter: Progress in Implementing a Direct DOE Relationship & Funding for the EMSSABs Letter: Mission, Objectives & Scope of the Site Specific Advisory Board Memorandum: Direction and Guidance for Implementing Direct DOE Relationship

106

Letter: Direction and Guidance for Implementing Direct DOE Relationship &  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Letter: Direction and Guidance for Implementing Direct DOE Letter: Direction and Guidance for Implementing Direct DOE Relationship & Funding for EMSSABs Letter: Direction and Guidance for Implementing Direct DOE Relationship & Funding for EMSSABs From: Assistant Secretary, Jessie Hill Roberson (EM-11) To: Mr. Monte Wilson, Chair, INEEL Citizens Advisory Board This letter is in response to a November 21, 2003 letter regarding direction and guidance for implementing direct DOE relationship and funding for Environmental Management Site Specific Advisory Boards. Roberson Letter - December 12, 2003 More Documents & Publications Letter: Progress in Implementing a Direct DOE Relationship & Funding for the EMSSABs Letter: Mission, Objectives & Scope of the Site Specific Advisory Board Memorandum: Direction and Guidance for Implementing Direct DOE Relationship

107

Linearly Scaling 3D Fragment Method for Large-Scale Electronic Structure Calculations  

Science Conference Proceedings (OSTI)

We present a new linearly scaling three-dimensional fragment (LS3DF) method for large scale ab initio electronic structure calculations. LS3DF is based on a divide-and-conquer approach, which incorporates a novel patching scheme that effectively cancels out the artificial boundary effects due to the subdivision of the system. As a consequence, the LS3DF program yields essentially the same results as direct density functional theory (DFT) calculations. The fragments of the LS3DF algorithm can be calculated separately with different groups of processors. This leads to almost perfect parallelization on tens of thousands of processors. After code optimization, we were able to achieve 35.1 Tflop/s, which is 39percent of the theoretical speed on 17,280 Cray XT4 processor cores. Our 13,824-atom ZnTeO alloy calculation runs 400 times faster than a direct DFTcalculation, even presuming that the direct DFT calculation can scale well up to 17,280 processor cores. These results demonstrate the applicability of the LS3DF method to material simulations, the advantage of using linearly scaling algorithms over conventional O(N3) methods, and the potential for petascale computation using the LS3DF method.

Wang, Lin-Wang; Lee, Byounghak; Shan, Hongzhang; Zhao, Zhengji; Meza, Juan; Strohmaier, Erich; Bailey, David H.

2008-07-01T23:59:59.000Z

108

Linear scaling 3D fragment method for large-scale electronic structure calculations  

Science Conference Proceedings (OSTI)

We present a new linearly scaling three-dimensional fragment (LS3DF) method for large scale ab initio electronic structure calculations. LS3DF is based on a divide-and-conquer approach, which incorporates a novel patching scheme that effectively cancels out the artificial boundary effects due to the subdivision of the system. As a consequence, the LS3DF program yields essentially the same results as direct density functional theory (DFT) calculations. The fragments of the LS3DF algorithm can be calculated separately with different groups of processors. This leads to almost perfect parallelization on tens of thousands of processors. After code optimization, we were able to achieve 35.1 Tflop/s, which is 39% of the theoretical speed on 17,280 Cray XT4 processor cores. Our 13,824-atom ZnTeO alloy calculation runs 400 times faster than a direct DFT calculation, even presuming that the direct DFT calculation can scale well up to 17,280 processor cores. These results demonstrate the applicability of the LS3DF method to material simulations, the advantage of using linearly scaling algorithms over conventional O(N{sup 3}) methods, and the potential for petascale computation using the LS3DF method.

Wang, Lin-Wang; Wang, Lin-Wang; Lee, Byounghak; Shan, HongZhang; Zhao, Zhengji; Meza, Juan; Strohmaier, Erich; Bailey, David

2008-07-11T23:59:59.000Z

109

Our purpose and direction Our purpose and direction  

E-Print Network (OSTI)

1 Our purpose and direction #12;Our purpose and direction Contents MINISTERS' FOREWORD 3 organisation 8 Our People 8 Our finances 8 Business sustainability ­ `Greenerways' 9 OUR DIRECTION 10 Our: Financial resources 56 2 #12;Our purpose and direction Ministers' Foreword I am very pleased to be providing

110

Introduction Direct seeding, also known as direct sowing, is  

E-Print Network (OSTI)

Introduction Direct seeding, also known as direct sowing, is an ancient method of woodland that control of competing vegetation is essential for successful tree establishment using direct sowing. Hand, Willoughby (2002) suggests total overall herbicide inputs may be lower in direct seeded woodland due

111

Our purpose and direction Our purpose and direction  

E-Print Network (OSTI)

1 Our purpose and direction #12;Our purpose and direction Contents MINISTERS' FOREWORD 3 8 Our People 8 Our finances 8 Business sustainability ­ `Greenerways' 9 OUR DIRECTION 10 Our Appendix 2: Business measures 55 Appendix 3: Financial resources 56 2 #12;3 Our purpose and direction

112

Breakout Session -- TEC Direction  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

III: TEC III: TEC Direction and Priorities Presented to: Transportation External Coordination Working Group Presented by: Alex Thrower Office of Logistics Management February 7, 2008 San Antonio, Texas 2 Topics of Discussion * Transportation External Coordination Working Group (TEC) charter and membership * Topic group functions * Meeting format 3 TEC Charter and Membership * Mission - TEC was formed in 1992 to improve coordination among the Department of Energy (DOE) and external groups interested in the Department's transportation activities The Office of Civilian Radioactive Waste Management (OCRWM) co-chairs TEC with DOE's Environmental Management Program Provides an opportunity for broad based input and information exchange from varied organizations - Members meet semi-annually to participate in

113

Omni-directional railguns  

DOE Patents (OSTI)

This invention is comprised of a device for electromagetically accelerating projectiles. The invention features two parallel conducting circular plates, a plurality of electrode connections to both upper and lower plates, a support base, and a projectile magazine. A projectile is spring-loaded into a firing position concentrically located between the parallel plates. A voltage source is applied to the plates to cause current to flow in directions defined by selectable, discrete electrode connections on both upper and lower plates. Repulsive Lorentz forces are generated to eject the projectile in a 360 degree range of fire.

Shahinpoor, M.

1994-12-31T23:59:59.000Z

114

Monetary Awards Scale  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

MONETARY AWARDS SCALE FOR INTANGIBLE BENEFITS FROM MONETARY AWARDS SCALE FOR INTANGIBLE BENEFITS FROM SUGGESTIONS, INVENTIONS, SPECIAL ACTS OR SERVICES VALUE OF BENEFIT EXTENT OF APPLICATION Limited Affects functions, mission, or personnel of one office (e.g., field site office or one office within a HQ Departmental element). Affects a small area of science or technology. Extended Affects functions, mission, or personnel of a several field site offices or HQ office within a Departmental element (e.g., more than one). Affects an important area of science or technology. Broad Affects functions, mission, or personnel of an entire Departmental element or Departmental element with multiple site offices. Affects a broad area of science or technology. General Affects functions, mission, or personnel

115

Simulations of Kinetic Events at the Atomic Scale  

NLE Websites -- All DOE Office Websites (Extended Search)

of kinetic events at the atomic scale of kinetic events at the atomic scale Graeme Henkelman UT Austin Al / Al(100) B 3 I / Si Pd / MgO How can we simulate the dynamics of molecular systems over experimental time scales? Objective: To calculate dynamics of a surface over time scales which are much longer than can be calculated with direct classical dynamics. Problem: time scale gap fs ps ns ms ms s mins atomic dynamics thermally activated experimental vibrations simulations reaction dynamics time scales Most interesting transitions are rare 0.5 eV 1000/s events (much slower than vibrations) Simulating a transition for a typical rare event with classical dynamics can require ~10 12 force evaluations Transition state theory A statistical theory for calculating the rate of slow thermal processes

116

Home: Directives, Delegations, and Requirements  

NLE Websites -- All DOE Office Websites

content. | Skip to navigation content. | Skip to navigation Site Map Contact Us Current Documents Archived Documents Entire Site only in current section Advanced Search... U.S. Department of Energy Office of Management Directives, Delegations, and Requirements Sections Home Directives Current Directives Draft Directives Archives Delegations Current Delegations Current Designations Rescinded Organizations' Assignment of Responsibility Development & Review RevCom Writers' Tools DPC Corner References News and Updates Help Personal tools You are here: Office of Management » Directives, Delegations, and Requirements Info Home Directives are the Department of Energy's primary means of establishing policies, requirements, responsibilities, and procedures for Departmental elements and contractors. Directive

117

SRNL - Directions and Maps  

NLE Websites -- All DOE Office Websites (Extended Search)

Map of SRS, with Georgia and South Carolina Map of SRS, with Georgia and South Carolina Directions and Maps The Savannah River National Laboratory is located at the Savannah River Site , a 310 square mile site located in the southeastern coastal area of the United States in the state of South Carolina. It is bordered to the west by the Savannah River and Georgia, and is close to several major cities, including Augusta and Savannah (Ga.), Columbia, Greenville, and Charleston (S.C.). It is in an area residents refer to as the Central Savannah River Area, or CSRA. The Aiken County Technology Laboratory (which houses SRNL's biotechnology laboratories and certain waste treatment technology laboratories) and the Center for Hydrogen Research are located at Aiken County's Savannah River Research Campus, located adjacent to SRS.

118

Distillation: Present Status and Future Directions  

E-Print Network (OSTI)

Distillation will undoubtedly continue to be the most-used method for separating liquid mixtures, at any scale of operation. For this reason, and also because of its recognized energy intensiveness, distillation commands continued scrutiny with respect to cost-effective improvements. In this paper, the authors suggest fruitful areas of research that can lead to lower cost distillation separations. The areas of research are classified under the headings of phase equilibrium, material and energy balances, mass transfer efficiencies, equipment design, and system energy consumption. For each of the categories, a summary is given of the present status of the technology as well as directions that improvement-type investigations might take.

Fair, J. R.; Humphrey, J. L.

1984-01-01T23:59:59.000Z

119

Conclusions and Policy Directions,  

SciTech Connect

This chapter briefly revisits the constraints and opportunities of mitigation and adaptation, and highlights and the multiple linkages, synergies and trade-offs between mitigation, adaptation and urban development. The chapter then presents future policy directions, focusing on local, national and international principles and policies for supporting and enhancing urban responses to climate change. In summary, policy directions for linking climate change responses with urban development offer abundant opportunities; but they call for new philosophies about how to think about the future and how to connect different roles of different levels of government and different parts of the urban community. In many cases, this implies changes in how urban areas operate - fostering closer coordination between local governments and local economic institutions, and building new connections between central power structures and parts of the population who have often been kept outside of the circle of consultation and discourse. The difficulties involved in changing deeply set patterns of interaction and decision-making in urban areas should not be underestimated. Because it is so difficult, successful experiences need to be identified, described and widely publicized as models for others. However, where this challenge is met, it is likely not only to increase opportunities and reduce threats to urban development in profoundly important ways, but to make the urban area a more effective socio-political entity, in general - a better city in how it works day to day and how it solves a myriad of problems as they emerge - far beyond climate change connections alone. It is in this sense that climate change responses can be catalysts for socially inclusive, economically productive and environmentally friendly urban development, helping to pioneer new patterns of stakeholder communication and participation.

Wilbanks, Thomas J [ORNL; Romero-Lankao, Paty [National Center for Atmospheric Research (NCAR); Gnatz, P [National Center for Atmospheric Research (NCAR)

2011-01-01T23:59:59.000Z

120

Wind Direct Ltd | Open Energy Information  

Open Energy Info (EERE)

Wind Direct Ltd Wind Direct Ltd Place Solihull, United Kingdom Zip B91 2PQ Sector Wind energy Product Develops small wind farms (1-5MW) particularly for industrial customers. HgCapital provides working capital to the company and holds majority ownership of the wind assets. Coordinates 52.415065°, -1.777849° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":52.415065,"lon":-1.777849,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Direct contact, binary fluid geothermal boiler  

DOE Patents (OSTI)

Energy is extracted from geothermal brines by direct contact with a working fluid such as isobutane which is immiscible with the brine in a geothermal boiler. The geothermal boiler provides a distributor arrangement which efficiently contacts geothermal brine with the isobutane in order to prevent the entrainment of geothermal brine in the isobutane vapor which is directed to a turbine. Accordingly the problem of brine carry-over through the turbine causes corrosion and scaling thereof is eliminated. Additionally the heat exchanger includes straightening vanes for preventing startup and other temporary fluctuations in the transitional zone of the boiler from causing brine carryover into the turbine. Also a screen is provided in the heat exchanger to coalesce the working fluid and to assist in defining the location of the transitional zone where the geothermal brine and the isobutane are initially mixed.

Rapier, Pascal M. (Richmond, CA)

1982-01-01T23:59:59.000Z

122

Direct contact, binary fluid geothermal boiler  

DOE Patents (OSTI)

Energy is extracted from geothermal brines by direct contact with a working fluid such as isobutane which is immiscible with the brine in a geothermal boiler. The geothermal boiler provides a distributor arrangement which efficiently contacts geothermal brine with the isobutane in order to prevent the entrainment of geothermal brine in the isobutane vapor which is directed to a turbine. Accordingly the problem of brine carryover through the turbine causing corrosion and scaling thereof is eliminated. Additionally the heat exchanger includes straightening vanes for preventing startup and other temporary fluctuations in the transitional zone of the boiler from causing brine carryover into the turbine. Also a screen is provided in the heat exchanger to coalesce the working fluid and to assist in defining the location of the transitional zone where the geothermal brine and the isobutane are initially mixed.

Rapier, P.M.

1979-12-27T23:59:59.000Z

123

Directed Energy Interactions with Surfaces - Argonne National Laboratories,  

NLE Websites -- All DOE Office Websites (Extended Search)

Directed Energy Interactions with Directed Energy Interactions with Surfaces > Directed Energy Interactions with Surfaces Directed Energy Interactions with Surfaces Staff Principal Investigator Michael J. Pellin Wallis F. Calaway Dieter M. Gruen Michael R. Savina Igor Veryovkin Visiting Scientist Emil Tripa Bruce V. King Secretary Barbara Hall Theme Using world-class tools, this program seeks to develop a predictive understanding of the effects of directed energy sources (ions, electrons, and photons) on the composition, structure, and material properties of surfaces and other materials whose dimensions are of atomic scale. These tools, based on laser postionization ofatomsandmoleculesdesorbed by directed energy sources have been developed at ANL and provide the program with uniquely sensitive methods for trace analysis of

124

Foreign Direct Investment in U  

Gasoline and Diesel Fuel Update (EIA)

Foreign Direct Investment in U.S. Energy in 1998 Foreign Direct Investment in U.S. Energy in 1998 Foreign Direct Investment Foreign Direct Investment Foreign Direct Investment Foreign Direct Investment in U.S. Energy in U.S. Energy in U.S. Energy in U.S. Energy in 1998 in 1998 in 1998 in 1998 November 2000 Energy Information Administration/Foreign Direct Investment in U.S. Energy in 1998 Contacts This report was prepared in the Office of Energy Markets and End Use of the Energy Information Administration, U.S. Department of Energy, under the general direction of W. Calvin Kilgore. The project was directed by Mark E. Rodekohr, Director of the Energy Markets and Contingency Information Division (202) 586-1441, and Mary E. Northup, the Team Leader for Financial Analysis (202) 586-1383. Specific technical information concerning this

125

Memorandum: Direction and Guidance for Implementing Direct DOE Relationship  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Direction and Guidance for Implementing Direct DOE Direction and Guidance for Implementing Direct DOE Relationship & Funding for the EMSSAB Memorandum: Direction and Guidance for Implementing Direct DOE Relationship & Funding for the EMSSAB From: Designated Federal Officer, Sandra L. Waisley (EM-11) To: SSAB Members (G. Stegner, J. Reising, G. Bowman, T. Taylor, C. Gertz, B. Murphie, S. McCracken, M. Marvin, J. Rampe, A. Doswell, C. Anderson, B. Wethington, S. Brennan, K. Kozeliski, D. Dollins, P. Halsey, Y. Sherman, L. Bratcher, R. Warther, K. Klein, R. Schepens, F. Lockhart, J. Allison, R. Erickson, E. Sellers, K. Carlson, G. Boyd, R. Butler) The memorandum informs of Assistant Secrectary Roberson's direction and guidance for implementing a DOE direct relationship and funding approach for EM's Site-Specific Advisory Board (EMSSAB).

126

Direct Imaging of Antiferromagnetic Vortex States  

NLE Websites -- All DOE Office Websites (Extended Search)

Direct Imaging of Antiferromagnetic Vortex States Print Direct Imaging of Antiferromagnetic Vortex States Print Magnetic materials are characterized by the ordering of electron spins, with nearest-neighbor spins parallel to each other in ferromagnetic (FM) materials and antiparallel to each other in antiferromagnetic (AFM) materials. As the size of a magnetic system is reduced to micron scale, it has been shown that the spins in an FM microstructure can curl around to form a magnetic vortex state. While there has been intensive activity in the study of vortex states in FM disks, there has been no direct observation of such states in an AFM microstructure, although theory predicts many interesting and unique properties for the AFM vortex state. Recently, a research team from Berkeley, Korea, and China has taken the first direct image of an AFM vortex in multilayered magnetic disk structures using x-ray magnetic linear dichroism (XMLD) and photoemission electron microscopy (PEEM) at ALS Beamlines 4.0.2 and 11.0.1 , respectively. The experiments observed two types of AFM vortices, one of which has no analogue in FM vortices.

127

DemandDirect | Open Energy Information  

Open Energy Info (EERE)

DemandDirect DemandDirect Jump to: navigation, search Name DemandDirect Place Woodbury, Connecticut Zip 6798 Sector Efficiency, Renewable Energy, Services Product DemandDirect provides demand response, energy efficiency, load management, and distributed generation services to end-use electricity customers in order to reduce electricity consumption, improve grid reliability, and promote renewable energy. Coordinates 44.440496°, -72.414991° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":44.440496,"lon":-72.414991,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

128

Direct Imaging of Antiferromagnetic Vortex States  

NLE Websites -- All DOE Office Websites (Extended Search)

Direct Imaging of Antiferromagnetic Vortex States Print Direct Imaging of Antiferromagnetic Vortex States Print Magnetic materials are characterized by the ordering of electron spins, with nearest-neighbor spins parallel to each other in ferromagnetic (FM) materials and antiparallel to each other in antiferromagnetic (AFM) materials. As the size of a magnetic system is reduced to micron scale, it has been shown that the spins in an FM microstructure can curl around to form a magnetic vortex state. While there has been intensive activity in the study of vortex states in FM disks, there has been no direct observation of such states in an AFM microstructure, although theory predicts many interesting and unique properties for the AFM vortex state. Recently, a research team from Berkeley, Korea, and China has taken the first direct image of an AFM vortex in multilayered magnetic disk structures using x-ray magnetic linear dichroism (XMLD) and photoemission electron microscopy (PEEM) at ALS Beamlines 4.0.2 and 11.0.1 , respectively. The experiments observed two types of AFM vortices, one of which has no analogue in FM vortices.

129

Direct Imaging of Antiferromagnetic Vortex States  

NLE Websites -- All DOE Office Websites (Extended Search)

Direct Imaging of Antiferromagnetic Vortex States Print Direct Imaging of Antiferromagnetic Vortex States Print Magnetic materials are characterized by the ordering of electron spins, with nearest-neighbor spins parallel to each other in ferromagnetic (FM) materials and antiparallel to each other in antiferromagnetic (AFM) materials. As the size of a magnetic system is reduced to micron scale, it has been shown that the spins in an FM microstructure can curl around to form a magnetic vortex state. While there has been intensive activity in the study of vortex states in FM disks, there has been no direct observation of such states in an AFM microstructure, although theory predicts many interesting and unique properties for the AFM vortex state. Recently, a research team from Berkeley, Korea, and China has taken the first direct image of an AFM vortex in multilayered magnetic disk structures using x-ray magnetic linear dichroism (XMLD) and photoemission electron microscopy (PEEM) at ALS Beamlines 4.0.2 and 11.0.1 , respectively. The experiments observed two types of AFM vortices, one of which has no analogue in FM vortices.

130

Journal of Membrane Science xxx (2004) xxxxxx Direct observation of biofouling in cross-flow microfiltration  

E-Print Network (OSTI)

Journal of Membrane Science xxx (2004) xxx­xxx Direct observation of biofouling in cross 2004 Abstract A laboratory-scale membrane filtration cell was constructed to enable direct microscopic deposited. Direct observation experiments verified that most cells deposited under the predicted "critical

131

Directed evolution as a powerful synthetic biology tool Ryan E. Cobb a,b,1  

E-Print Network (OSTI)

Directed evolution as a powerful synthetic biology tool Ryan E. Cobb a,b,1 , Ning Sun c,1 , Huimin by Rihe Liu Keyword: Synthetic biology Directed evolution a b s t r a c t At the heart of synthetic of this approach. Directed evolution, a process which mimics Darwinian selection on a laboratory scale, has allowed

Zhao, Huimin

132

Measuring Dark Matter Distribution in Directional Direct Detection  

E-Print Network (OSTI)

Direct detection of dark matter with directional sensitivity offers not only measurement of both recoil energy and direction of dark matter, but also a way to understand dark matter distribution in the Galaxy. Maxwell distribution is usually supposed as the distribution near the Earth, however, deviation from that, caused by tidal streams in the Galaxy, has been suggested. We explore the possibility of distinguishing the distribution by direct detection using nuclear emulsions.

Keiko I. Nagao

2013-12-11T23:59:59.000Z

133

CX-004022: Categorical Exclusion Determination | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

22: Categorical Exclusion Determination 22: Categorical Exclusion Determination CX-004022: Categorical Exclusion Determination MegaWatt Ventures CX(s) Applied: A9, A11, B5.1 Date: 09/09/2010 Location(s): Orlando, Florida Office(s): Energy Efficiency and Renewable Energy The University of Central Florida is dedicated to creating innovative programs that accelerate the commercialization of energy-related technologies developed within universities and national laboratories. The over-riding objective of the proposed MegaWatt Ventures Program is to connect promising research in energy efficiency with experienced entrepreneurs, etc. The scope of work includes the planning and implementation of three annual MegaWatt Ventures events. The first two years will be a pilot program focusing mainly on Florida universities. Year

134

Directional Response of Ocean Waves to Changing Wind Direction  

Science Conference Proceedings (OSTI)

When analysing wave measurements in turning winds, one usually assumes that the rate of change of mean wave direction is determined by the angle between ?w, the wind direction, and ?o, the mean wave direction; however, it is well known that this ...

Gao Quanduo; Gerbrand Komen

1993-07-01T23:59:59.000Z

135

The Response of Wave Directions to Changing Wind Directions  

Science Conference Proceedings (OSTI)

From the premise that the net growth of wave energy induced by wind is centered around the wind direction, a relaxation model for the response of the main wave direction to changes in the wind direction for young sea states is derived. The time ...

L. H. Holthuijsen; A. J. Kuik; E. Mosselman

1987-07-01T23:59:59.000Z

136

NIST Time Scale Data Archive  

Science Conference Proceedings (OSTI)

NIST Time Scale Data Archive. Updated monthly. Return to Archive index Leap second and UT1-UTC information. This page ...

2013-08-07T23:59:59.000Z

137

Geothermal Technologies Program: Direct Use  

DOE Green Energy (OSTI)

This general publication describes geothermal direct use systems, and how they have been effectively used throughout the country. It also describes the DOE program R&D efforts in this area, and summarizes several projects using direct use technology.

Not Available

2004-08-01T23:59:59.000Z

138

Small Scale SOFC Demonstration Using Bio-Based and Fossil Fuels - Technology Management, Inc.  

NLE Websites -- All DOE Office Websites (Extended Search)

Small Scale SOFC Demonstration Using Small Scale SOFC Demonstration Using Bio-based and Fossil Fuels-Technology Management, Inc. Background In this congressionally directed project, Technology Management, Inc. (TMI) will develop and demonstrate a residential scale prototype solid oxide fuel cell (SOFC) system at end-user sites. These small-scale systems would operate continuously on either conventional or renewable biofuels, producing cost effective, uninterruptible

139

Presidential Policy Directive / PPD-8 National Preparedness  

Science Conference Proceedings (OSTI)

... Homeland Security Presidential Directives, National Security Presidential Directives, and national ... days from the date of this directive, the Secretary ...

2011-10-20T23:59:59.000Z

140

Directional Entanglement of Quantum Fields with Quantum Geometry  

E-Print Network (OSTI)

A modification of quantum field theory on large scales is conjectured to result from effects of Planck scale limits on directional information. Transversely localized solutions of the relativistic wave equation are used to show that the path of a massless particle with wavelength $\\lambda$ that travels a distance $z$ has a wave function with indeterminacy in direction given by the diffraction scale, $\\langle \\Delta \\theta^2\\rangle > \\sqrt{2}\\lambda /\\pi z$. It is conjectured that the spatial structure of all quantum field states is influenced by a new kind of directional indeterminacy of quantum geometry set by the Planck length, $l_P$, that does not occur in the usual classical background geometry. Entanglement of field and geometry states is described in the small angle approximation. It is shown to have almost no effect on local measurements, microscopic particle interactions, or measurements of propagating states that depend only on longitudinal coordinates, but to significantly alter field states in systems larger than $\\approx \\lambda^2/l_P $ that depend on transverse coordinates or direction. It reduces the information content of fields in large systems, consistent with holographic bounds from gravitation theory, and may lead to quantum-geometrical directional fluctuations of massive bodies detectable with interferometers. Possible connections are discussed with field vacuum energy, black hole information, and inflationary fluctuations.

Craig J. Hogan

2013-12-30T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

NREL: Learning - Geothermal Direct Use  

NLE Websites -- All DOE Office Websites (Extended Search)

Direct Use Direct Use Photo of alligators on a farm. Geothermally heated waters allow alligators to thrive on a farm in Colorado, where temperatures can drop below freezing. Geothermal reservoirs of hot water, which are found a few miles or more beneath the Earth's surface, can be used to provide heat directly. This is called the direct use of geothermal energy. Geothermal direct use has a long history, going back to when people began using hot springs for bathing, cooking food, and loosening feathers and skin from game. Today, hot springs are still used as spas. But there are now more sophisticated ways of using this geothermal resource. In modern direct-use systems, a well is drilled into a geothermal reservoir to provide a steady stream of hot water. The water is brought up through

142

Monetary Awards Scale | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Monetary Awards Scale Monetary Awards Scale Chart of the monetary awards scale allowed for intangible and tangible benefits from suggestions, inventions, special acts or services....

143

Connecting the Molecular and the Continuum Scales  

NLE Websites -- All DOE Office Websites (Extended Search)

Connecting the Molecular and the Continuum Scales Connecting the Molecular and the Continuum Scales Key Challenges: A molecular-scale understanding of structure and surface...

144

Quality Assurance: Policy and Directives  

NLE Websites -- All DOE Office Websites (Extended Search)

Policy and Directives The Office of Quality Assurance is responsible for DOE's quality assurance (QA) policy and requirements, and for providing assistance with QA implementation....

145

DOE Directives | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Reports Calendar Year Reports Recovery Act Peer Reviews DOE Directives Performance Strategic Plan Testimony Financial Statements Semiannual Reports Work Plan Mission About Us...

146

Direct cooled power electronics substrate  

DOE Patents (OSTI)

The disclosure describes directly cooling a three-dimensional, direct metallization (DM) layer in a power electronics device. To enable sufficient cooling, coolant flow channels are formed within the ceramic substrate. The direct metallization layer (typically copper) may be bonded to the ceramic substrate, and semiconductor chips (such as IGBT and diodes) may be soldered or sintered onto the direct metallization layer to form a power electronics module. Multiple modules may be attached to cooling headers that provide in-flow and out-flow of coolant through the channels in the ceramic substrate. The modules and cooling header assembly are preferably sized to fit inside the core of a toroidal shaped capacitor.

Wiles, Randy H. (Powell, TN), Wereszczak, Andrew A. (Oak Ridge, TN); Ayers, Curtis W. (Kingston, TN); Lowe, Kirk T. (Knoxville, TN)

2010-09-14T23:59:59.000Z

147

A direct thin-film path towards low-cost large-area III-V ...  

A direct thin-film path towards low-cost large-area III-V ... depending on the surface energy constraints of the nucleation ... scaling all times in ...

148

Model Study of Waves Generated by Convection with Direct Validation via Satellite  

Science Conference Proceedings (OSTI)

Atmospheric gravity waves have a major effect on atmospheric circulation, structure, and stability on a global scale. Gravity waves can be generated by convection, but in many cases it is difficult to link convection directly to a specific wave ...

Alison W. Grimsdell; M. Joan Alexander; Peter T. May; Lars Hoffmann

2010-05-01T23:59:59.000Z

149

Cooperative development of direct methanation technology. Final report, September 1985-August 1989  

Science Conference Proceedings (OSTI)

The program objective was to collect data regarding catalyst fabrication and performance for the Direct Methanation process, to allow future scale-up to an engineering test unit or demonstration unit with an acceptable degree of risk, through experimentation in small-scale equipment supplemented by limited engineering studies to identify process issues. The Direct Methanation process offers a major advance in the technology and economics of producing substitute natural gas (SNG) from coal.

Chan, I.H.; Taylor, N.J.; Floyd, F.M.; Cover, A.E.

1989-11-01T23:59:59.000Z

150

Soil moisture modeling and scaling using passive microwave remote sensing  

E-Print Network (OSTI)

Soil moisture in the shallow subsurface is a primary hydrologic state governing land-atmosphere interaction at various scales. The primary objectives of this study are to model soil moisture in the root zone in a distributed manner and determine scaling properties of surface soil moisture using passive microwave remote sensing. The study was divided into two parts. For the first study, a root zone soil moisture assessment tool (SMAT) was developed in the ArcGIS platform by fully integrating a one-dimensional vadose zone hydrology model (HYDRUS-ET) with an ensemble Kalman filter (EnKF) data assimilation capability. The tool was tested with dataset from the Southern Great Plain 1997 (SGP97) hydrology remote sensing experiment. Results demonstrated that SMAT displayed a reasonable capability to generate soil moisture distribution at the desired resolution at various depths of the root zone in Little Washita watershed during the SGP97 hydrology remote sensing experiment. To improve the model performance, several outstanding issues need to be addressed in the future by: including "effective" hydraulic parameters across spatial scales; implementing subsurface soil properties data bases using direct and indirect methods; incorporating appropriate hydrologic processes across spatial scales; accounting uncertainties in forcing data; and preserving interactions for spatially correlated pixels. The second study focused on spatial scaling properties of the Polarimetric Scanning Radiometer (PSR)-based remotely sensed surface soil moisture fields in a region with high row crop agriculture. A wavelet based multi-resolution technique was used to decompose the soil moisture fields into larger-scale average soil moisture fields and fluctuations in horizontal, diagonal and vertical directions at various resolutions. The specific objective was to relate soil moisture variability at the scale of the PSR footprint (800 m X 800 m) to larger scale average soil moisture field variability. We also investigated the scaling characteristics of fluctuation fields among various resolutions. The spatial structure of soil moisture exhibited linearity in the log-log dependency of the variance versus scale-factor, up to a scale factor of -2.6 (6100 m X 6100 m) irrespective of wet and dry conditions, whereas dry fields reflect nonlinear (multi-scaling) behavior at larger scale-factors.

Das, Narendra N.

2005-12-01T23:59:59.000Z

151

Direct Drive Systems DDS | Open Energy Information  

Open Energy Info (EERE)

Systems DDS Systems DDS Jump to: navigation, search Name Direct Drive Systems (DDS) Place Cerritos, California Zip CA 90703 Product Manufactures high speed, permanent magnet (PM), high-power motors, generators and power electronics. Coordinates 33.868545°, -118.063704° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":33.868545,"lon":-118.063704,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

152

DIRECT FUEL CELL/TURBINE POWER PLANT  

DOE Green Energy (OSTI)

Project activities were focused on the design and construction the sub-scale hybrid Direct Fuel Cell/turbine (DFC/T{reg_sign}) power plant and modification of a Capstone Simple Cycle Model 330 microturbine. The power plant design work included preparation of system flow sheet and performing computer simulations based on conservation of mass and energy. The results of the simulation analyses were utilized to prepare data sheets and specifications for balance-of-plant equipment. Process flow diagram (PFD) and piping and instrumentation diagrams (P&ID) were also completed. The steady state simulation results were used to develop design information for modifying the control functions, and for sizing the heat exchangers required for recuperating the waste heat from the power plant. Line and valve sizes for the interconnecting pipes between the microturbine and the heat recuperators were also identified.

Hossein Ghezel-Ayagh

2003-05-22T23:59:59.000Z

153

DIRECT FUEL CELL/TURBINE POWER PLANT  

DOE Green Energy (OSTI)

In this reporting period, a milestone was achieved by commencement of testing and operation of the sub-scale hybrid direct fuel cell/turbine (DFC/T{reg_sign}) power plant. The operation was initiated subsequent to the completion of the construction of the balance-of-plant (BOP) and implementation of process and control tests of the BOP for the subscale DFC/T hybrid system. The construction efforts consisted of finishing the power plant insulation and completion of the plant instrumentation including the wiring and tubing required for process measurement and control. The preparation work also included the development of procedures for facility shake down, conditioning and load testing of the fuel cell, integration of the microturbine, and fuel cell/gas turbine load tests. At conclusion of the construction, the process and control (PAC) tests of BOP, including the microturbine, were initiated.

Hossein Ghezel-Ayagh

2003-05-23T23:59:59.000Z

154

DOE Directives | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE Directives DOE Directives DOE Directives Directives are the Department of Energy's primary means to communicate and institutionalize directives and policies and to establish requirements, responsibilities, and procedures for Departmental elements and contractors. DOE O 413.3A - Program and Project Management for the Acquisition of Capital Assets DOE G 413.3-1 - Managing Design and Construction Using Systems Engineering for Use with DOE O 413.3A DOE G 413.3-2 - Quality Assurance Guide for Project Management DOE G 413.3-3 - Safeguards and Security for Program and Project Management DOE G 413.3-8 - Environmental Management (EM) Cleanup Projects DOE G 413.3-9 - U.S. Department of Energy Project Review Guide for Capital Asset Projects DOE G 413.3-10 - Earned Value Management System (EVMS)

155

Office of Nuclear Safety - Directives  

NLE Websites -- All DOE Office Websites (Extended Search)

Nuclear and Facility Safety Directives Nuclear and Facility Safety Directives The HSS Office of Nuclear Safety is the responsible office for the development, interpretation, and revision of the following Department of Energy (DOE) directives. Go to DOE's Directives Web Page to view these directives. DOE Order (O) 252.1A, Technical Standards Program DOE O 252.1A promotes DOE's use of Voluntary Consensus Standards (VCS) as the primary method for application of technical standards and establishes and manages the DOE Technical Standards Program (TSP) including technical standards development, information, activities, issues, and interactions. HS-30 Contact: Jeff Feit DOE Policy (P) 420.1, Department of Energy Nuclear Safety Policy DOE P 420.1, documents the Department's nuclear safety policy to design, construct, operate, and decommission its nuclear facilities in a manner that ensures adequate protection of workers, the public, and the environment.

156

Efficient Placement of Directional Antennas  

SciTech Connect

Directional antenna is an technology for the proliferation of wireless networks. In centralized wireless network, wireless devices communicate through base stations. Directed antennas are placed on base stations and form a backbone of communication. The communication between base stations and wireless devices can be interfered due to a large number of wireless device. Methodically positioning and orienting directed antennas can help to reduce the interference while saving energy. An integer linear programming is developed for siting and directing antennas on multiple base stations, and this formulation can be extended to model non-overlapping channels. Through the integer programming formulation, optimal antenna positions can be used to analyze the performance of directed antennas with different parameters like the number base stations and the number of non-overlapping channels.

Pan, Feng [Los Alamos National Laboratory; Kasiviswanathan, Shiva [Los Alamos National Laboratory

2010-09-20T23:59:59.000Z

157

Directions  

NLE Websites -- All DOE Office Websites (Extended Search)

spacer spacer spacer About DOE Organization News Contact Us Search Search Go spacer U.S. Department of Energy header image Science & Technology Energy Sources Energy Efficiency...

158

THERMAL HEAT TRANSPORT AT THE NANO-SCALE LEVEL AND ITS APPLICATION TO NANO-MACHINING.  

E-Print Network (OSTI)

??Nano-manufacturing is receiving significant attention in industry due to the ever-growing interest in nanotechnology in research institutions. It is hypothesized that single-step or direct-write nano-scale… (more)

Wong, Basil T.

2006-01-01T23:59:59.000Z

159

Inertial Ranges and Small-Scale Intermittency in One-Dimensional Turbulence Models  

Science Conference Proceedings (OSTI)

A set of one-dimensional turbulence models can be constructed by applying severe D-1 directional Fourier truncation to the D-dimensional fluid equations, allowing for numerical calculation over an extremely wide range of scales. At low resolution ...

Peter Bartello

1993-08-01T23:59:59.000Z

160

Convective Planetary Boundary Layer Interactions with the Land Surface at Diurnal Time Scales: Diagnostics and Feedbacks  

Science Conference Proceedings (OSTI)

The convective planetary boundary layer (PBL) integrates surface fluxes and conditions over regional and diurnal scales. As a result, the structure and evolution of the PBL contains information directly related to land surface states. To examine ...

Joseph A. Santanello Jr.; Mark A. Friedl; Michael B. Ek

2007-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Scale dependency of total water variance, and its implication for cloud parameterizations  

Science Conference Proceedings (OSTI)

The scale dependency of variance of total water mixing ratio is explored by analyzing data from a General Circulation Model (GCM), a Numerical Weather Prediction Model (NWP) and Large Eddy Simulations (LES). For clarification Direct Numerical ...

Vera Schemann; Bjorn Stevens; Verena Grützun; Johannes Quaas

162

DUSEL Facility Cooling Water Scaling Issues  

Science Conference Proceedings (OSTI)

Precipitation (crystal growth) in supersaturated solutions is governed by both kenetic and thermodynamic processes. This is an important and evolving field of research, especially for the petroleum industry. There are several types of precipitates including sulfate compounds (ie. barium sulfate) and calcium compounds (ie. calcium carbonate). The chemical makeup of the mine water has relatively large concentrations of sulfate as compared to calcium, so we may expect that sulfate type reactions. The kinetics of calcium sulfate dihydrate (CaSO4 {center_dot} 2H20, gypsum) scale formation on heat exchanger surfaces from aqueous solutions has been studied by a highly reproducible technique. It has been found that gypsum scale formation takes place directly on the surface of the heat exchanger without any bulk or spontaneous precipitation in the reaction cell. The kinetic data also indicate that the rate of scale formation is a function of surface area and the metallurgy of the heat exchanger. As we don't have detailed information about the heat exchanger, we can only infer that this will be an issue for us. Supersaturations of various compounds are affected differently by temperature, pressure and pH. Pressure has only a slight affect on the solubility, whereas temperature is a much more sensitive parameter (Figure 1). The affect of temperature is reversed for calcium carbonate and barium sulfate solubilities. As temperature increases, barium sulfate solubility concentrations increase and scaling decreases. For calcium carbonate, the scaling tendencies increase with increasing temperature. This is all relative, as the temperatures and pressures of the referenced experiments range from 122 to 356 F. Their pressures range from 200 to 4000 psi. Because the cooling water system isn't likely to see pressures above 200 psi, it's unclear if this pressure/scaling relationship will be significant or even apparent. The most common scale minerals found in the oilfield include calcium carbonates (CaCO3, mainly calcite) and alkaline-earth metal sulfates (barite BaSO4, celestite SrSO4, anhydrite CaSO4, hemihydrate CaSO4 1/2H2O, and gypsum CaSO4 2H2O or calcium sulfate). The cause of scaling can be difficult to identify in real oil and gas wells. However, pressure and temperature changes during the flow of fluids are primary reasons for the formation of carbonate scales, because the escape of CO2 and/or H2S gases out of the brine solution, as pressure is lowered, tends to elevate the pH of the brine and result in super-saturation with respect to carbonates. Concerning sulfate scales, the common cause is commingling of different sources of brines either due to breakthrough of injected incompatible waters or mixing of two different brines from different zones of the reservoir formation. A decrease in temperature tends to cause barite to precipitate, opposite of calcite. In addition, pressure drops tend to cause all scale minerals to precipitate due to the pressure dependence of the solubility product. And we can expect that there will be a pressure drop across the heat exchanger. Weather or not this will be offset by the rise in pressure remains to be seen. It's typically left to field testing to prove out. Progress has been made toward the control and treatment of the scale deposits, although most of the reaction mechanisms are still not well understood. Often the most efficient and economic treatment for scale formation is to apply threshold chemical inhibitors. Threshold scale inhibitors are like catalysts and have inhibition efficiency at very low concentrations (commonly less than a few mg/L), far below the stoichiometric concentrations of the crystal lattice ions in solution. There are many chemical classes of inhibitors and even more brands on the market. Based on the water chemistry it is anticipated that there is a high likelihood for sulfate compound precipitation and scaling. This may be dependent on the temperature and pressure, which vary throughout the system. Therefore, various types and amounts of scaling may occur at different

Daily, W D

2011-04-05T23:59:59.000Z

163

2008 world direct reduction statistics  

SciTech Connect

This supplement discusses total direct reduced iron (DRI) production for 2007 and 2008 by process. Total 2008 production by MIDREX(reg sign) direct reduction process plants was over 39.8 million tons. The total of all coal-based processes was 17.6 million tons. Statistics for world DRI production are also given by region for 2007 and 2008 and by year (1970-2009). Capacity utilization for 2008 by process is given. World DRI production by region and by process is given for 1998-2008 and world DRI shipments are given from the 1970s to 2008. A list of world direct reduction plants is included.

NONE

2009-07-01T23:59:59.000Z

164

Direct observation of a magnetic Bose glass  

Science Conference Proceedings (OSTI)

A Bose glass is a novel state of matter that emerges in systems of interacting bosons in the presence of quenched disorder. At sufficiently low temperatures, disorder-free bosons are subject to so-called Bose-Einstein condensation (BEC). BEC can involve atoms in liquid 4He, laser-cooled ions in magnetic traps,2 Cooper pairs in superconductors, or magnons in magnetic systems. Due to peculiarities of Bose statistics, particles lose their individuality and occupy a unique quantum-mechanical state. The wave function of this condensate establishes long-range quantum phase coherence across a macroscopic sample. This, in turn, spawns unique quantum phenomena such as superfluity,5 Josephson effect6 and vortex matter. For repulsive bosons, quenched disorder disrupts the condensate and interferes with phase coherence. The result is a peculiar glassy state with only short-range phase correlations. While some experimental evidence of this was found in ultracold atoms,9 novel high-temperature superconductors,10 and quantum magnets,11, 12 none of the studies were direct. The key characteristic, namely the wave function of the condensate disrupted by disorder on the microscopic scale, remained inaccessible. Hereby we report a direct neutron diffraction observation of short range correlations of the BEC order parameter in a magnetic Bose glass. This phase is realized in the quantum spin ladder compound IPA-Cu(Cl0.96Br0.04)3, where disorder is induced by random chemical substitution.

Hong, Tao [ORNL; Zheludev, Andrey I [ORNL; Manaka, H. [Kagoshima University, Kagoshima JAPAN; Regnault, L.-P. [CEA, Grenoble, France

2010-01-01T23:59:59.000Z

165

Homeland Security Presidential Directive 7  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

3 Homeland Security Presidential Directive/Hspd-7 3 Homeland Security Presidential Directive/Hspd-7 For Immediate Release Office of the Press Secretary December 17, 2003 December 17, 2003 Homeland Security Presidential Directive/Hspd-7 Subject: Critical Infrastructure Identification, Prioritization, and Protection Purpose (1) This directive establishes a national policy for Federal departments and agencies to identify and prioritize United States critical infrastructure and key resources and to protect them from terrorist attacks. Background (2) Terrorists seek to destroy, incapacitate, or exploit critical infrastructure and key resources across the United States to threaten national security, cause mass casualties, weaken our economy, and damage public morale and confidence. (3) America's open and technologically complex society includes a wide array of critical infrastructure

166

Geothermal Direct-Use Basics  

Energy.gov (U.S. Department of Energy (DOE))

Hot water near the surface of the Earth can be used for heat for a variety of commercial and industrial uses. Direct-use applications include heating buildings, growing plants in greenhouses,...

167

OMNI SMARTPUMP: DIRECT CURRENT POWERED  

E-Print Network (OSTI)

the energy savings of the variable speed DC motor over existing variable speed AC motors that couldOMNI SMARTPUMP: DIRECT CURRENT POWERED DRIP IRRIGATION SYSTEM Prepared For: California Energy Commission Energy Innovations Small Grant Program Prepared By: Omni Instruments

168

Directional impedance of geared transmissions  

E-Print Network (OSTI)

The purpose of this research is to develop a design tool for geared actuation systems that experience bidirectional exchange of energy with the environment. Despite the asymmetry of efficiency depending on the direction ...

Wang, Albert Duan

2012-01-01T23:59:59.000Z

169

A Direct Measure of Entrainment  

Science Conference Proceedings (OSTI)

A method is introduced for directly measuring convective entrainment and detrainment in a cloud-resolving simulation. This technique is used to quantify the errors in the entrainment and detrainment estimates obtained using the standard bulk-...

David M. Romps

2010-06-01T23:59:59.000Z

170

Low Temperature Direct Use Snowmelt Geothermal Facilities | Open Energy  

Open Energy Info (EERE)

Low Temperature Direct Use Snowmelt Geothermal Facilities Low Temperature Direct Use Snowmelt Geothermal Facilities Jump to: navigation, search Loading map... {"format":"googlemaps3","type":"ROADMAP","types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"limit":800,"offset":0,"link":"all","sort":[""],"order":[],"headers":"show","mainlabel":"","intro":"","outro":"","searchlabel":"\u2026 further results","default":"","geoservice":"google","zoom":false,"width":"600px","height":"350px","centre":false,"layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","icon":"","visitedicon":"","forceshow":true,"showtitle":true,"hidenamespace":false,"template":"Geothermal

171

Low Temperature Direct Use Aquaculture Geothermal Facilities | Open Energy  

Open Energy Info (EERE)

Low Temperature Direct Use Aquaculture Geothermal Facilities Low Temperature Direct Use Aquaculture Geothermal Facilities Jump to: navigation, search Loading map... {"format":"googlemaps3","type":"ROADMAP","types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"limit":800,"offset":0,"link":"all","sort":[""],"order":[],"headers":"show","mainlabel":"","intro":"","outro":"","searchlabel":"\u2026 further results","default":"","geoservice":"google","zoom":false,"width":"600px","height":"350px","centre":false,"layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","icon":"","visitedicon":"","forceshow":true,"showtitle":true,"hidenamespace":false,"template":"Geothermal

172

Low Temperature Direct Use Agricultural Drying Geothermal Facilities | Open  

Open Energy Info (EERE)

Low Temperature Direct Use Agricultural Drying Geothermal Facilities Low Temperature Direct Use Agricultural Drying Geothermal Facilities Jump to: navigation, search Loading map... {"format":"googlemaps3","type":"ROADMAP","types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"limit":800,"offset":0,"link":"all","sort":[""],"order":[],"headers":"show","mainlabel":"","intro":"","outro":"","searchlabel":"\u2026 further results","default":"","geoservice":"google","zoom":false,"width":"600px","height":"350px","centre":false,"layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","icon":"","visitedicon":"","forceshow":true,"showtitle":true,"hidenamespace":false,"template":"Geothermal

173

Low Temperature Direct Use Space Heating Geothermal Facilities | Open  

Open Energy Info (EERE)

Low Temperature Direct Use Space Heating Geothermal Facilities Low Temperature Direct Use Space Heating Geothermal Facilities Jump to: navigation, search Loading map... {"format":"googlemaps3","type":"ROADMAP","types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"limit":800,"offset":0,"link":"all","sort":[""],"order":[],"headers":"show","mainlabel":"","intro":"","outro":"","searchlabel":"\u2026 further results","default":"","geoservice":"google","zoom":false,"width":"600px","height":"350px","centre":false,"layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","icon":"","visitedicon":"","forceshow":true,"showtitle":true,"hidenamespace":false,"template":"Geothermal

174

Direct photons at low $p_{T}$ measured in PHENIX  

E-Print Network (OSTI)

Direct photon spectra measured at small $p_T$ in p+p, d+Au and Au+Au collisions at $\\sqrt{s_{NN}}=200$ GeV are presented. Several measurement techniques including statistical subtraction, tagging, and internal and external conversion were applied and found to produce consistent results. The p+p and d+Au results are found to be in very good agreement with pQCD predictions over the entire $p_T$ range. No excess of direct photons in Au+Au collisions with respect to binary scaled d+Au data is observed within systematic errors.

D. Peressounko

2007-02-12T23:59:59.000Z

175

Method for drilling directional wells  

Science Conference Proceedings (OSTI)

A method is described of locating a substantially horizontal bed of interest in a formation and maintaining a drill string therein during the drilling operation, said drill string including a measurement-while-drilling (MWD) electromagnetic propagation resistivity sensor, comprising the steps of: drilling a substantially vertical offset well in a formation having at least one selected substantially horizontal bed therein; measuring resistivity in the formation at the offset well to provide a first resistivity log as a function of depth; modeling the substantially horizontal bed to provide a modeled resistivity log indicative of the resistivity taken along the substantially horizontal bed, said modeling being based on said first resistivity log; drilling a directional well in said formation near said offset well, a portion of said directional well being disposed in said substantially horizontal bed; measuring resistivity in said directional well using the MWD electromagnetic propagation resistivity sensor to provide a second log of resistivity taken substantially horizontally; comparing said second log to said modeled log to determine the location of said directional well; and adjusting the directional drilling operation so as to maintain said drill string within said substantially horizontal bed during the drilling of said directional well in response to said comparing step.

Wu, Jianwu; Wisler, M.M.

1993-07-27T23:59:59.000Z

176

SCALED EXPERIMENTS EVALUATING PULSE JET MIXING OF SLURRIES  

Science Conference Proceedings (OSTI)

Pulse jet mixing (PJM) tests with noncohesive solids in Newtonian liquid were conducted at three geometric scales to support the design of mixing systems for the Hanford Waste Treatment and Immobilization Plant. The test data will be used to develop mixing models. The models predict the cloud height (the height to which solids will be lifted by the PJM action) and the critical suspension velocity (the minimum velocity needed to ensure all solids have been lifted from the floor. From the cloud height estimate, the concentration of solids near the vessel floor and the minimum velocity predicted to lift solids can be calculated. The test objective was to observe the influence of vertically downward-directed jets on noncohesive solids in a series of scaled tanks with several bottom shapes. The test tanks and bottom shapes included small-and large-scale tanks with elliptical bottoms, a mid-scale tank with a spherical bottom, and a large-scale tank with an F&D bottom. During testing, the downward-directed jets were operated in either a steady flow condition or a pulsed (periodic) flow condition. The mobilization of the solids resulting from the jets was evaluated based on: the motion/agitation of the particulate on the tank floor and the elevation the solids reach within the tank; the height the solids material reaches in the tank is referred to as the cloud height (HC).

Bamberger, Judith A.; Meyer, Perry A.; Enderlin, Carl W.; Fort, James A.; Wells, Beric E.; Minette, Michael J.; Burns, Carolyn A.; Baer, Ellen BK; Eakin, David E.; Elmore, Monte R.; Snyder, Sandra F.

2009-11-13T23:59:59.000Z

177

A GIS-based tool for modelling large-scale crop-water relations  

Science Conference Proceedings (OSTI)

Recent research on crop-water relations has increasingly been directed towards the application of locally acquired knowledge to answering the questions raised on larger scales. However, the application of the local results to larger scales is often questionable. ... Keywords: Crop water productivity, EPIC, GEPIC, Maize, Rice, Wheat

Junguo Liu

2009-03-01T23:59:59.000Z

178

Anomaly Detection at Multiple Scales  

Science Conference Proceedings (OSTI)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Anomaly Detection at Multiple Scales, or ADAMS, is a $35 million DARPA project designed to identify patterns and anomalies ...

Alain Sren Mikhayhu

2012-06-01T23:59:59.000Z

179

Subsynoptic-Scale Baroclinic Instability  

Science Conference Proceedings (OSTI)

A linear stability analysis of the hyperbolic tangent profiles is made. A Boussinesq primitive equation model with high vertical resolution is used. Unstable modes of intermediate scales (Lx ? 1000 km) are generated when the curvature, d2?/dz2, ...

Prakki Satyamurthy; Vadlamudi Brahmananda Rao; Antonio Divino Moura

1982-05-01T23:59:59.000Z

180

Scale-Controlled Objective Analysis  

Science Conference Proceedings (OSTI)

The major topic of this paper is the resolvable spatial scales that can be analyzed by statistical interpolation of an undersampled dataset. The inquiry was motivated by the need to design the most appropriate procedures for spatial analysis of ...

Katsuyuki V. Ooyama

1987-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Dynamic Scaling of Manipulator Trajectories  

E-Print Network (OSTI)

A fundamental time-scaling property of manipulator dynamics has been identified that allows modification of movement speed without complete dynamics recalculation. By exploiting this property, it can be determined ...

Hollerbach, John M.

1983-01-01T23:59:59.000Z

182

Scale Insects and Mealy Bugs  

NLE Websites -- All DOE Office Websites (Extended Search)

Scale Insects and Mealy Bugs Scale Insects and Mealy Bugs Nature Bulletin No. 404-A January 30, 1971 Forest Preserve District of Cook County George W. Dunne, President Roland F. Eisenbeis, Supt. of Conservation SCALE INSECTS AND MEALY BUGS The insect world contains an enormous number and variety of species but, of them all, the Scale Insects and Mealy Bugs come nearest to being vegetables. Most insects are active animals that fly, hop, scamper, crawl or burrow, but these queer creatures spend most of their lives merely sitting in one spot, sucking plant juices from a branch, twig, leaf, or fruit. Some of our most destructive pests are included among the several hundred kinds of these highly specialized insects. They are so small that the average person seldom realizes that they are responsible for the sickly or dying condition of a tree or shrub. Adult scale insects are extremely variable in shape, and range in size from that of a pinhead up to forms which are a quarter of an inch long. Each hides under a hard protective shell, or scale, of wax secreted by pores on its body, and are frequently so numerous that they form a dense crust. The females molt a few times, and usually discard their legs and wings, before they mature. She lays eggs under the scale and then dies. These hatch into young (called "crawlers") which move around for a period varying from a few hours to a day or two before they settle down and build scales. Unlike the female, the male -always the smaller of the two -- goes through a cocoon stage from which he emerges with a pair of wings but with no means of taking food. He merely mates and dies. Males are scarce In most kinds and in many species have never been seen.

183

The Roles of Sparse Direct Methods in Large-scale Simulations  

E-Print Network (OSTI)

L. Lee, P. Husbands, and E. Ng. An algebraic sub-structuringZ. Li, I. Malik, W. Mi, C. Ng, and M. Wolf. ElectromagneticR. Husbands, C. Yang, E. G. Ng One Cyclotron Road, Lawrence

Li, Xiaoye S.; Gao, Weiguo; Husbands, Parry J.R.; Yang, Chao; Ng, Esmond G.

2005-01-01T23:59:59.000Z

184

Ancillary Frequency Control of Direct Drive Full-Scale Converter Based Wind Power Plants  

E-Print Network (OSTI)

of doubly fed induction machine (DFIG) and PMSG based wind turbines have been proposed [7-10]. In this paper

Hu, Weihao

185

The Roles of Sparse Direct Methods in Large-scale Simulations  

E-Print Network (OSTI)

Scienti?c Computing (NERSC) Center at Lawrence Berkeleyon the IBM supercomputer at NERSC, they also acquired a 32-ESIL algorithms on the IBM SP at NERSC. 4. Recent and future

Li, Xiaoye S.; Gao, Weiguo; Husbands, Parry J.R.; Yang, Chao; Ng, Esmond G.

2005-01-01T23:59:59.000Z

186

A Pilot-plant Scale Test of Coal-based Rotary Kiln Direct Reduction ...  

Science Conference Proceedings (OSTI)

About this Abstract. Meeting, 2014 TMS Annual Meeting & Exhibition. Symposium , 5th International Symposium on High Temperature Metallurgical Processing.

187

Hardware Based Scale- and Rotation-Invariant Feature Extraction: A Retrospective Analysis and Future Directions  

Science Conference Proceedings (OSTI)

Computer Vision techniques represent a class of algorithms that are highly computation and data intensive in nature. Generally, performance of these algorithms in terms of execution speed on desktop computers is far from real-time. Since real-time performance ...

Shoaib Ehsan; Adrian F. Clark; Klaus D. McDonald-Maier

2009-12-01T23:59:59.000Z

188

Predicting the direction and magnitude of small mammal disturbance effects on plant diversity across scales  

E-Print Network (OSTI)

disturbances on spe? cies  diversity,  richness  and  plant lizard  density  and  diversity.   Biodiversity  and limitation,  and  tree  diversity  in  a  Neotropical 

Root-Bernstein, Meredith

2013-01-01T23:59:59.000Z

189

meeting summary: Future Directions for Research on Meter- and Submeter-Scale Atmospheric Turbulence  

Science Conference Proceedings (OSTI)

In the 1970s, tremendous progress was made in the physics of atmospheric finescale turbulence. In subsequent decades, effort in this field has languished. Although many scientific and technological problems associated with finescale turbulence ...

Andreas Muschinski; Donald H. Lenschow

2001-12-01T23:59:59.000Z

190

Results from the DCH-1 (Direct Containment Heating) experiment. [Pressurized melt ejection and direct containment heating  

SciTech Connect

The DCH-1 (Direct Containment Heating) test was the first experiment performed in the Surtsey Direct Heating Test Facility. The test involved 20 kg of molten core debris simulant ejected into a 1:10 scale model of the Zion reactor cavity. The melt was produced by a metallothermic reaction of iron oxide and aluminum powders to yield molten iron and alumina. The cavity model was placed so that the emerging debris propagated directly upwards along the vertical centerline of the chamber. Results from the experiment showed that the molten material was ejected from the caviity as a cloud of particles and aerosol. The dispersed debris caused a rapid pressurization of the 103-m/sup 3/ chamber atmosphere. Peak pressure from the six transducers ranged from 0.09 to 0.13 MPa (13.4 to 19.4 psig) above the initial value in the chamber. Posttest debris collection yielded 11.6 kg of material outside the cavity, of which approximately 1.6 kg was attributed to the uptake of oxygen by the iron particles. Mechanical sieving of the recovered debris showed a lognormal size distribution with a mass mean size of 0.55 mm. Aerosol measurements indicated a subsantial portion (2 to 16%) of the ejected mass was in the size range less than 10 m aerodynamic equivalent diameter.

Tarbell, W.W.; Brockmann, J.E.; Pilch, M.; Ross, J.E.; Oliver, M.S.; Lucero, D.A.; Kerley, T.E.; Arellano, F.E.; Gomez, R.D.

1987-05-01T23:59:59.000Z

191

On Directed Information and Gambling  

E-Print Network (OSTI)

We study the problem of gambling in horse races with causal side information and show that Massey's directed information characterizes the increment in the maximum achievable capital growth rate due to the availability of side information. This result gives a natural interpretation of directed information $I(Y^n \\to X^n)$ as the amount of information that $Y^n$ \\emph{causally} provides about $X^n$. Extensions to stock market portfolio strategies and data compression with causal side information are also discussed.

Permuter, Haim H; Weissman, Tsachy

2008-01-01T23:59:59.000Z

192

Directions for improved fusion reactors  

SciTech Connect

Conceptual fusion reactor studies over the past 10 to 15 years have projected systems that may be too large, complex, and costly to be of commercial interest. One main direction for improved fusion reactors points towards smaller, higher-power-density approaches. First-order economic issues (i.e., unit direct cost and cost of electricity) are used to support the need for more compact fusion reactors. A generic fusion physics/engineering/costing model is used to provide a quantiative basis for these arguments for specific fusion concepts.

Krakowski, R.A.; Miller, R.L.; Delene, J.G.

1986-01-01T23:59:59.000Z

193

Scaling  

NLE Websites -- All DOE Office Websites (Extended Search)

communications becomes shorter. If the time for the global transpose is of the same order of magnitude as the computa- tion time, then the required communication becomes a...

194

Time-Off Awards Scale  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

/1/2010 /1/2010 TIME OFF AWARD SCALE The following chart is recommended and should be used unless another time-off award scale has been adopted by the servicing human resources office. TIME OFF SCALE VALUE OF THE EMPLOYEE'S CONTRIBUTION HOURS TO BE AWARDED MODERATE - A contribution to a product, program or service to the public which is of sufficient value to merit formal recognition. Beneficial change or modification of operating principles or procedures. 1 - 10 Hours SUBSTANTIAL - An important contribution to the value of a product, activity, program or service to the public. Significant change or modification or operating principles or procedures. 11 - 20 Hours HIGH - A significant contribution to the value of a product, activity, program or service to

195

Definition: Commercial Scale Wind | Open Energy Information  

Open Energy Info (EERE)

Scale Wind Commercial scale wind refers to wind energy projects greater than 100 kW. The electricity that is generated is sold.1 Also Known As Utility-Scale Wind Related Terms...

196

Scale-Free Cortical Planar Networks  

E-Print Network (OSTI)

D [2004] The modeling of scale-free networks. Physica A 333:Synchronization in scale-free dynamical networks: Robustnessnetworks: small-world, scale-free and beyond. IEEE Trans

Freeman, Walter J III; Kozma, Robert; Bollobás, Béla; Riordan, Oliver

2009-01-01T23:59:59.000Z

197

Directional Validation of Wave Predictions  

Science Conference Proceedings (OSTI)

A methodology for quantitative, directional validation of a long-term wave model hindcast is described and applied. Buoy observations are used as ground truth and the method does not require the application of a parametric model or data-adaptive ...

W. Erick Rogers; David W. C. Wang

2007-03-01T23:59:59.000Z

198

ARPES Provides Direct Evidence of Spin-Wave Coupling  

NLE Websites -- All DOE Office Websites (Extended Search)

ARPES Provides Direct Evidence of Spin-Wave Coupling Print ARPES Provides Direct Evidence of Spin-Wave Coupling Print The electronic properties of a metal are determined by the dynamical behavior of its conduction electrons. Conventional band theory accounts for the interaction of the electrons with the static ion lattice. However, coupling to further microscopic degrees of freedom can alter the electron dynamics considerably. For example, "conventional" superconductivity emerges as a result of the electrons' interaction with lattice vibrations (phonons). In magnetic materials, coupling with spin waves (magnons) is also expected. Such interactions may contribute to high-temperature superconductivity in novel materials. Unfortunately, lattice vibrations and spin waves have similar energy scales, hindering detailed study. Researchers have taken a new approach in analyzing the electron bands of ferromagnetic iron. Angle-resolved photoemission spectroscopy (ARPES) provides direct spectroscopic evidence of altered electron mass and energy (quasiparticle formation) in a magnetic solid due to coupling with spin waves.

199

ARPES Provides Direct Evidence of Spin-Wave Coupling  

NLE Websites -- All DOE Office Websites (Extended Search)

ARPES Provides Direct Evidence of Spin-Wave Coupling Print ARPES Provides Direct Evidence of Spin-Wave Coupling Print The electronic properties of a metal are determined by the dynamical behavior of its conduction electrons. Conventional band theory accounts for the interaction of the electrons with the static ion lattice. However, coupling to further microscopic degrees of freedom can alter the electron dynamics considerably. For example, "conventional" superconductivity emerges as a result of the electrons' interaction with lattice vibrations (phonons). In magnetic materials, coupling with spin waves (magnons) is also expected. Such interactions may contribute to high-temperature superconductivity in novel materials. Unfortunately, lattice vibrations and spin waves have similar energy scales, hindering detailed study. Researchers have taken a new approach in analyzing the electron bands of ferromagnetic iron. Angle-resolved photoemission spectroscopy (ARPES) provides direct spectroscopic evidence of altered electron mass and energy (quasiparticle formation) in a magnetic solid due to coupling with spin waves.

200

Computer Simulation of Scale Formation  

DOE Green Energy (OSTI)

This paper summarizes results of recent analyses performed by Battelle-Northwest in EPRI project RP 653-3: Computer Simulation of Scaling in Geothermal Systems. The results reported here are drawn primarily from case evaluations performed over the 12 months since the preceding EPRI Geothermal Symposium held in Monterey in June 1979. The present project is a continuation of a previous project designated RP 653-1. The ultimate objective of research performed in this project is to develop analytical tools (computer codes) and the supporting thermophysical and chemical data base that can be used to predict scaling and corrosion in geothermal power generating systems.

Lessor, D.L.; Kreid, D.K.

1980-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

MOUNTAIN-SCALE COUPLED PROCESSES (TH/THC/THM)MODELS  

SciTech Connect

This report documents the development and validation of the mountain-scale thermal-hydrologic (TH), thermal-hydrologic-chemical (THC), and thermal-hydrologic-mechanical (THM) models. These models provide technical support for screening of features, events, and processes (FEPs) related to the effects of coupled TH/THC/THM processes on mountain-scale unsaturated zone (UZ) and saturated zone (SZ) flow at Yucca Mountain, Nevada (BSC 2005 [DIRS 174842], Section 2.1.1.1). The purpose and validation criteria for these models are specified in ''Technical Work Plan for: Near-Field Environment and Transport: Coupled Processes (Mountain-Scale TH/THC/THM, Drift-Scale THC Seepage, and Drift-Scale Abstraction) Model Report Integration'' (BSC 2005 [DIRS 174842]). Model results are used to support exclusion of certain FEPs from the total system performance assessment for the license application (TSPA-LA) model on the basis of low consequence, consistent with the requirements of 10 CFR 63.342 [DIRS 173273]. Outputs from this report are not direct feeds to the TSPA-LA. All the FEPs related to the effects of coupled TH/THC/THM processes on mountain-scale UZ and SZ flow are discussed in Sections 6 and 7 of this report. The mountain-scale coupled TH/THC/THM processes models numerically simulate the impact of nuclear waste heat release on the natural hydrogeological system, including a representation of heat-driven processes occurring in the far field. The mountain-scale TH simulations provide predictions for thermally affected liquid saturation, gas- and liquid-phase fluxes, and water and rock temperature (together called the flow fields). The main focus of the TH model is to predict the changes in water flux driven by evaporation/condensation processes, and drainage between drifts. The TH model captures mountain-scale three-dimensional flow effects, including lateral diversion and mountain-scale flow patterns. The mountain-scale THC model evaluates TH effects on water and gas chemistry, mineral dissolution/precipitation, and the resulting impact to UZ hydrologic properties, flow and transport. The mountain-scale THM model addresses changes in permeability due to mechanical and thermal disturbances in stratigraphic units above and below the repository host rock. The THM model focuses on evaluating the changes in UZ flow fields arising out of thermal stress and rock deformation during and after the thermal period (the period during which temperatures in the mountain are significantly higher than ambient temperatures).

Y.S. Wu

2005-08-24T23:59:59.000Z

202

Direct photons measured by the PHENIX experiment at RHIC  

E-Print Network (OSTI)

Results from the PHENIX experiment at RHIC on direct photon production in p+p, d+Au, and Au+Au collisions at sqrt(s_NN) = 200 GeV are presented. In p+p collisions, direct photon production at high p_T behaves as expected from perturbative QCD calculations. The p+p measurement serves as a baseline for direct photon production in Au+Au collisions. In d+Au collisions, no effects of cold nuclear matter are found within the large uncertainty of the measurement. In Au+Au collisions, the production of high p_T direct photons scales as expected for particle production in hard scatterings. This supports jet quenching models, which attribute the suppression of high p_T hadrons to the energy loss of fast partons in the medium produced in the collision. Low p_T direct photons, measured via e+e- pairs with small invariant mass, are possibly related to the production of thermal direct photons.

Stefan Bathe; for the PHENIX Collaboration

2006-09-19T23:59:59.000Z

203

Quantification and scaling of multipartite entanglement in continuous variable systems  

E-Print Network (OSTI)

We present a theoretical method to determine the multipartite entanglement between different partitions of multimode, fully or partially symmetric Gaussian states of continuous variable systems. For such states, we determine the exact expression of the logarithmic negativity and show that it coincides with that of equivalent two--mode Gaussian states. Exploiting this reduction, we demonstrate the scaling of the multipartite entanglement with the number of modes and its reliable experimental estimate by direct measurements of the global and local purities.

Gerardo Adesso; Alessio Serafini; Fabrizio Illuminati

2004-06-09T23:59:59.000Z

204

In situ vitrification laboratory-scale test work plan  

SciTech Connect

The Buried Waste Program was established in October 1987 to accelerate the studies needed to develop a long-term management plan for the buried mixed waste at the Radioactive Waste Management Complex at Idaho Engineering Laboratory. The In Situ Vitrification Project is being conducted in a Comprehensive Environmental Response, Compensation, and Liability Act feasibility study format to identify methods for the long-term management of mixed buried waste. To support the overall feasibility study, the situ vitrification treatability investigations are proceeding along the three parallel paths: laboratory-scale tests, intermediate field tests, and field tests. Laboratory-scale tests are being performed to provide data to mathematical modeling efforts, which, in turn, will support design of the field tests and to the health and safety risk assessment. This laboratory-scale test work plan provides overall testing program direction to meet the current goals and objectives of the in situ vitrification treatability investigation. 12 refs., 1 fig., 7 tabs.

Nagata, P.K.; Smith, N.L.

1991-05-01T23:59:59.000Z

205

Utility Scale Solar Inc | Open Energy Information  

Open Energy Info (EERE)

Utility Scale Solar Inc Jump to: navigation, search Name Utility Scale Solar Inc Place Palo Alto, California Zip 94301 Product California-based PV tracker maker. References Utility...

206

Production and Handling Slide 28: Winslow Scale  

NLE Websites -- All DOE Office Websites (Extended Search)

Winslow Scale Skip Presentation Navigation First Slide Previous Slide Next Slide Last Presentation Table of Contents Winslow Scale Refer to caption below for image description...

207

Property:Wave Direction | Open Energy Information  

Open Energy Info (EERE)

Direction Direction Jump to: navigation, search Property Name Wave Direction Property Type String Pages using the property "Wave Direction" Showing 25 pages using this property. (previous 25) (next 25) A Alden Small Flume + Uni-Directional + Alden Wave Basin + Both + C Carderock Maneuvering & Seakeeping Basin + Both + Carderock Tow Tank 2 + Uni-Directional + Carderock Tow Tank 3 + Uni-Directional + Chase Tow Tank + Uni-Directional + Coastal Harbors Modeling Facility + Uni-Directional + Coastal Inlet Model Facility + Uni-Directional + Coastal Structures Modeling Complex + Both + D Davidson Laboratory Tow Tank + Uni-Directional + DeFrees Large Wave Basin + Uni-Directional + DeFrees Small Wave Basin + Uni-Directional + H Haynes Wave Basin + Both +

208

Design of a Scaled-down DRACS Test Facility for an AHTR  

Science Conference Proceedings (OSTI)

A Direct Reactor Auxiliary Cooling System (DRACS) has been proposed for an Advanced-High Temperature Reactor (AHTR) that uses fluoride salt as the coolant. A study is being carried out to test its performance and provide experimental data for model validation. A detailed scaling analysis has been performed for the DRACS, as reported in a companion paper [1], in which a scaling methodology is developed. In this paper, scaling results for a protoltypic DRACS design are presented to design a scaled-down DRACs test facility.

Christensen, R. N. [Ohio State University; Lv, Q. NMN [Ohio State University; Subharwall, Piyush [Idaho National Laboratory (INL); Sun, X NMN [Ohio State University; Blue, T. E. [Ohio State University; Yoder Jr, Graydon L [ORNL; Wilson, Dane F [ORNL; Wang, X. NMN [Ohio State University

2011-01-01T23:59:59.000Z

209

SCALE DRAM subsystem power analysis  

E-Print Network (OSTI)

To address the needs of the next generation of low-power systems, DDR2 SDRAM offers a number of low-power modes with various performance and power consumption tradeoffs. The SCALE DRAM Subsystem is an energy-aware DRAM ...

Bhalodia, Vimal

2005-01-01T23:59:59.000Z

210

Efficient scaling for complex division  

Science Conference Proceedings (OSTI)

We develop a simple method for scaling to avoid overflow and harmful underflow in complex division. The method guarantees that no overflow will occur unless at least one component of the quotient must overflow, otherwise the normwise error in the computed ... Keywords: Complex division, overflow, underflow

Douglas M. Priest

2004-12-01T23:59:59.000Z

211

Development and demonstration of advanced technologies for direct electrochemical oxidation of hydrocarbons (methanol, methane, propane)  

SciTech Connect

Direct methanol fuel cells use methanol directly as a fuel, rather than the reformate typically required by fuel cells, thus eliminating the reformer and fuel processing train. In this program, Giner, Inc. advanced development of two types of direct methanol fuel cells for military applications. Advancements in direct methanol proton-exchange membrane fuel cell (DMPEMFC) technology included developement of a Pt-Ru anode catalyst and an associated electrode structure which provided some of the highest DMPEMFC performance reported to date. Scale-up from a laboratory-scale single cell to a 5-cell stack of practical area, providing over 100 W of power, was also demonstrated. Stable stack performance was achieved in over 300 hours of daily on/off cycling. Direct methanol aqueous carbonate fuel cells were also advanced with development of an anode catalyst and successful operation at decreased pressure. Improved materials for the cell separator/matrix and the hardware were also identified.

Kosek, J.A.; LaConti, A.B.

1994-07-01T23:59:59.000Z

212

carbon sequestration via direct injection  

NLE Websites -- All DOE Office Websites (Extended Search)

SEQUESTRATION VIA DIRECT INJECTION SEQUESTRATION VIA DIRECT INJECTION Howard J. Herzog, Ken Caldeira, and Eric Adams INTRODUCTION The build-up of carbon dioxide (CO 2 ) and other greenhouse gases in the Earth's atmosphere has caused concern about possible global climate change. As a result, international negotiations have produced the Framework Convention on Climate Change (FCCC), completed during the 1992 Earth Summit in Rio de Janeiro. The treaty, which the United States has ratified, calls for the "stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system." The primary greenhouse gas is CO 2 , which is estimated to contribute to over two-thirds of any climate change. The primary source of CO

213

Safety and Security Directives Reform  

NLE Websites -- All DOE Office Websites (Extended Search)

Reforming a "Mountain" of Policy Reforming a "Mountain" of Policy Beginning with his confirmation hearings in January 2009, Energy Secretary Steven Chu challenged the Department of Energy to take a fresh look at how we conduct business. This challenge provided the opportunity for DOE to put in place the most effective and efficient strategies to accomplish the Department's missions safely and securely. In response to the Secretary's challenge and building on the results of Deputy Secretary Poneman's Safety and Security Reform studies, the Office of Health, Safety and Security (HSS) broadened its directives review activities during 2009. By November 2009 HSS had initiated a disciplined review of all health, safety, and security directives, which included a systematic review of the Department's safety and security regulatory model.

214

wind direction | OpenEI  

Open Energy Info (EERE)

direction direction Dataset Summary Description Freedom Field is a not-for-profit organization formed to facilitate development and commercialization of renewable energy solutions. The organization has installed a variety of renewable energy generating technologies at their facility (located at Rock River Water Reclamation in Rockford, IL), with the intention of serving as a demonstration facility. The facility monitors data (at 5-minute intervals) from a weather station, 12.4 kW of PV panels (56 220-watt panels), a 10kW wind turbine (HAWT), a 1.2 kW wind turbine (VAWT), an absorption cooling system, and biogas burners. Source Freedom Field Date Released July 19th, 2011 (3 years ago) Date Updated Unknown Keywords biogas monitoring data PV radiance solar temperature

215

Issues and Future Research Directions  

E-Print Network (OSTI)

RFID technology is currently considered as a key enabler of supply chain transformation. However, very little has been written about the deployment and use of RFID in the dairy industry. Drawing on an extensive literature review and a case example, this exploratory study seeks to present current applications and issues related to RFID’s adoption in the dairy industry and discuss future research directions.

S. F. Wamba; Alison Wicks; Samuel Fosso Wamba, Ph.D.; Alison Wicks Ph. D

2010-01-01T23:59:59.000Z

216

Direct Carbon Fuel Cell Workshop  

NLE Websites -- All DOE Office Websites (Extended Search)

Direct Carbon Fuel Cell Workshop Direct Carbon Fuel Cell Workshop July 30, 2003 Table of Contents Disclaimer Papers and Presentations Carbon Anode Electrochemistry Carbon Conversion Fuel Cells Coal Preprocessing Prior to Introduction Into the Fuel Cell Potential Market Applications for Direct Carbon Fuel Cells Discussion of Key R&D Needs Disclaimer This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government or any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof.

217

Wellbore inertial directional surveying system  

DOE Patents (OSTI)

A wellbore inertial directional surveying system for providing a complete directional survey of an oil or gas well borehole to determine the displacement in all three directions of the borehole path relative to the well head at the surface. The information generated by the present invention is especially useful when numerous wells are drilled to different geographical targets from a single offshore platform. Accurate knowledge of the path of the borehole allows proper well spacing and provides assurance that target formations are reached. The tool is lowered down into a borehole on an electrical cable. A computer positioned on the surface communicates with the tool via the cable. The tool contains a sensor block which is supported on a single gimbal, the rotation axis of which is aligned with the cylinder axis of the tool and, correspondingly, the borehole. The gyroscope measurement of the sensor block rotation is used in a null-seeking servo loop which essentially prevents rotation of the sensor block about the gimbal axis. Angular rates of the sensor block about axes which are perpendicular to te gimbal axis are measured by gyroscopes in a manner similar to a strapped-down arrangement. Three accelerometers provide acceleration information as the tool is lowered within the borehole. The uphole computer derives position information based upon acceleration information and angular rate information. Kalman estimation techniques are used to compensate for system errors. 25 figures.

Andreas, R.D.; Heck, G.M.; Kohler, S.M.; Watts, A.C.

1982-09-08T23:59:59.000Z

218

Wellbore inertial directional surveying system  

DOE Patents (OSTI)

A wellbore inertial directional surveying system for providing a complete directional survey of an oil or gas well borehole to determine the displacement in all three directions of the borehole path relative to the well head at the surface. The information generated by the present invention is especially useful when numerous wells are drilled to different geographical targets from a single off-shore platform. Accurate knowledge of the path of the borehole allows proper well spacing and provides assurance that target formations are reached. The tool is lowered down into a borehole on the electrical cable. A computer positioned on the surface communicates with the tool via the cable. The tool contains a sensor block which is supported on a single gimbal, the rotation axis of which is aligned with the cylinder axis of the tool and, correspondingly, the borehole. The gyroscope measurement of the sensor block rotation is used in a null-seeking servo loop which essentially prevents rotation of the sensor block aboutthe gimbal axis. Angular rates of the sensor block about axes which are perpendicular to the gimbal axis are measured by gyroscopes in a manner similar to a strapped-down arrangement. Three accelerometers provide acceleration information as the tool is lowered within the borehole. The uphole computer derives position information based upon acceleration information and anular rate information. Kalman estimation techniques are used to compensate for system errors.

Andreas, Ronald D. (Albuquerque, NM); Heck, G. Michael (Albuquerque, NM); Kohler, Stewart M. (Albuquerque, NM); Watts, Alfred C. (Albuquerque, NM)

1991-01-01T23:59:59.000Z

219

Direct liquefaction proof-of-concept facility  

DOE Green Energy (OSTI)

The main objective of the U.S. DOE, Office of Fossil Energy, is to ensure the US a secure energy supply at an affordable price. An integral part of this program was the demonstration of fully developed coal liquefaction processes that could be implemented if market and supply considerations so required, Demonstration of the technology, even if not commercialized, provides a security factor for the country if it is known that the coal to liquid processes are proven and readily available. Direct liquefaction breaks down and rearranges complex hydrocarbon molecules from coal, adds hydrogen, and cracks the large molecules to those in the fuel range, removes hetero-atoms and gives the liquids characteristics comparable to petroleum derived fuels. The current processes being scaled and demonstrated are based on two reactor stages that increase conversion efficiency and improve quality by providing the flexibility to adjust process conditions to accommodate favorable reactions. The first stage conditions promote hydrogenation and some oxygen, sulfur and nitrogen removal. The second stage hydrocracks and speeds the conversion to liquids while removing the remaining sulfur and nitrogen. A third hydrotreatment stage can be used to upgrade the liquids to clean specification fuels.

Alfred G. Comolli; Peizheng Zhou; HTI Staff

2000-01-01T23:59:59.000Z

220

Hanford Small Scale Mixing Demonstration Program  

Hanford Small Scale Mixing Demonstration Program EM Waste Processing Technical Exchange November 17, 2010 Mike Thien

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Scale selection for supervised image segmentation  

Science Conference Proceedings (OSTI)

Finding the right scales for feature extraction is crucial for supervised image segmentation based on pixel classification. There are many scale selection methods in the literature; among them the one proposed by Lindeberg is widely used for image structures ... Keywords: Image segmentation, Max rule, Scale selection, Scale space theory, Supervised learning

Yan Li; David M. J. Tax; Marco Loog

2012-12-01T23:59:59.000Z

222

Direct-Photon Production in Au+Au Collisions at RHIC  

E-Print Network (OSTI)

Results from the PHENIX experiment on direct-photon production in Au+Au collisions at sqrt{s_{NN}} = 200 GeV for transverse momenta 1 Direct-photon yields at high p_T scale as expected for particle production in hard processes. This supports jet-quenching models which attribute the suppression of high-p_T hadrons to the energy loss of fast partons in the quark-gluon plasma. The low-p_T direct-photon spectra, measured via e+e- pairs with small invariant masses, are possibly related to the production of thermal direct photons in Au+Au collisions at RHIC.

Klaus Reygers; for the PHENIX Collaboration

2006-08-24T23:59:59.000Z

223

Digital Surveying Directional Surveying Specialists | Open Energy  

Open Energy Info (EERE)

Digital Surveying Directional Surveying Specialists Digital Surveying Directional Surveying Specialists Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: Digital Surveying Directional Surveying Specialists Author Directional Surveying Specialists Published Publisher Not Provided, 2012 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Digital Surveying Directional Surveying Specialists Citation Directional Surveying Specialists. Digital Surveying Directional Surveying Specialists [Internet]. 2012. [cited 2013/10/08]. Available from: http://www.digitalsurveying.co.za/services/geophysical-borehole-surveying/overview/optical-televiewer/ Retrieved from "http://en.openei.org/w/index.php?title=Digital_Surveying_Directional_Surveying_Specialists&oldid=690244"

224

Geothermal Direct Use | Open Energy Information  

Open Energy Info (EERE)

Direct Use Direct Use Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Print PDF [edit] Geothermal Direct Use Geothermal Technologies There are many types of Geothermal Technologies that take advantage of the earth's heat: Hydrothermal Systems Enhanced Geothermal Systems (EGS) Sedimentary Geothermal Systems Co-Produced Geothermal Systems Geothermal Direct Use Ground Source Heat Pumps Direct Use Links Related documents and websites EERE's Direct Use Report National Institute of Building Science's Whole Building Design Guide Policy Makers' Guidebook for Geothermal Heating and Cooling Dictionary.png Geothermal Direct Use: Low- to moderate-temperature water from geothermal reservoirs can be used to provide heat directly to buildings, or other applications that require

225

Biogas Direct LCC | Open Energy Information  

Open Energy Info (EERE)

Login | Sign Up Search Page Edit with form History Facebook icon Twitter icon Biogas Direct LCC Jump to: navigation, search Name Biogas Direct LCC Place Spring Green,...

226

Direct Detector for Terahertz Radiation - Energy ...  

Patent 7,420,225: Direct detector for terahertz radiation A direct detector for terahertz radiation comprises a grating-gated field-effect transistor ...

227

Enterprise Risk Management (ERM) Framework for Directives  

Directives, Delegations, and Requirements

Explains the new ERM framework for developing, revising, and reviewing directives. This memo directs the Office of Management to institutionalize ERM into the ...

2012-07-09T23:59:59.000Z

228

THE SIZE SCALE OF STAR CLUSTERS  

SciTech Connect

Direct N-body simulations of star clusters in a realistic Milky-Way-like potential are carried out using the code NBODY6. Based on these simulations, a new relationship between scale size and galactocentric distance is derived: the scale size of star clusters is proportional to the hyperbolic tangent of the galactocentric distance. The half-mass radius of star clusters increases systematically with galactocentric distance but levels off when star clusters orbit the galaxy beyond {approx}40 kpc. These simulations show that the half-mass radius of individual star clusters varies significantly as they evolve over a Hubble time, more so for clusters with shorter relaxation times, and remains constant through several relaxation times only in certain situations when expansion driven by the internal dynamics of the star cluster and the influence of the host galaxy tidal field balance each other. Indeed, the radius of a star cluster evolving within the inner 20 kpc of a realistic galactic gravitational potential is severely truncated by tidal interactions and does not remain constant over a Hubble time. Furthermore, the half-mass radius of star clusters measured with present-day observations bears no memory of the original cluster size. Stellar evolution and tidal stripping are the two competing physical mechanisms that determine the present-day size of globular clusters. These simulations also show that extended star clusters can form at large galactocentric distances while remaining fully bound to the host galaxy. There is thus no need to invoke accretion from an external galaxy to explain the presence of extended clusters at large galactocentric distances in a Milky-Way-type galaxy.

Madrid, Juan P.; Hurley, Jarrod R.; Sippel, Anna C. [Center for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn, VIC 3122 (Australia)

2012-09-10T23:59:59.000Z

229

A heuristic examination of scaling  

SciTech Connect

This study investigates the scaling of dimensions of craters formed by nuclear explosive sources as well as the problem of making consistent estimates of other geonuclear effects including maximum base surge radius, vented fraction of the gamma emitting radionuclides appearing in close-in fallout, and main cloud dimensions. Input to the proposed scaling method includes the Froude number as determined by the depth of burial and the mound surface velocity at vent time, and the pressure in the cavity at vent time. These inputs are provided from long-running cratering-mechanincs numerical calculations. Illustrations are given of the use of the method for 1 Mt and 200 kt cratering events. 10 refs., 10 figs., 7 tabs.

Knox, J.B.

1969-07-14T23:59:59.000Z

230

Global Direct Cost of Corrosion  

Science Conference Proceedings (OSTI)

Table 8   Country-specific direct cost of corrosion for the year 2004...Basque region 1988 Pesetas, 75 100.00 0.75 1.9977 1.5 Czechoslovakia 1998 Koruna, 31.816 (f) 29.8600 1.0655 1.1006 1.17 Netherlands 1969 Guilders, 0.51441 3.6340 0.1416 8.2103 1.16 Sweden 1967 Kroner, 1 5.0000 0.2000 3.0284 0.61 Finland 1965 Markka, 0.175 (g) 3.2110 0.0545 2.0995 0.11 Global...

231

Engineering directed excitonic energy transfer  

E-Print Network (OSTI)

We provide an intuitive platform for engineering exciton transfer dynamics. We show that careful consideration of the spectral density, which describes the system-bath interaction, leads to opportunities to engineer the transfer of an exciton. Since excitons in nanostructures are proposed for use in quantum information processing and artificial photosynthetic designs, our approach paves the way for engineering a wide range of desired exciton dynamics. We carefully describe the validity of the model and use experimentally relevant material parameters to show counter-intuitive examples of a directed exciton transfer in a linear chain of quantum dots.

Perdomo, Alejandro

2010-01-01T23:59:59.000Z

232

Direct application of geothermal energy  

DOE Green Energy (OSTI)

An overall treatment of direct geothermal applications is presented with an emphasis on the above-ground engineering. The types of geothermal resources and their general extent in the US are described. The potential market that may be served with geothermal energy is considered briefly. The evaluation considerations, special design aspects, and application approaches for geothermal energy use in each of the applications are considered. The present applications in the US are summarized and a bibliography of recent studies and applications is provided. (MHR)

Reistad, G.M.

1980-01-01T23:59:59.000Z

233

Direct measure of quantum correlation  

SciTech Connect

The quantumness of the correlation known as quantum correlation is usually measured by quantum discord. So far various quantum discords can be roughly understood as indirect measure by some special discrepancy of two quantities. We present a direct measure of quantum correlation by revealing the difference between the structures of classically and quantum correlated states. Our measure explicitly includes the contributions of the inseparability and local nonorthogonality of the eigenvectors of a density matrix. Besides its relatively easy computability, our measure can provide a unified understanding of quantum correlation of all the present versions.

Yu, Chang-shui [School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024 (China); H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL (United Kingdom); Zhao, Haiqing [School of Science, Dalian Jiaotong University, Dalian 116028 (China)

2011-12-15T23:59:59.000Z

234

Radial lean direct injection burner  

Science Conference Proceedings (OSTI)

A burner for use in a gas turbine engine includes a burner tube having an inlet end and an outlet end; a plurality of air passages extending axially in the burner tube configured to convey air flows from the inlet end to the outlet end; a plurality of fuel passages extending axially along the burner tube and spaced around the plurality of air passage configured to convey fuel from the inlet end to the outlet end; and a radial air swirler provided at the outlet end configured to direct the air flows radially toward the outlet end and impart swirl to the air flows. The radial air swirler includes a plurality of vanes to direct and swirl the air flows and an end plate. The end plate includes a plurality of fuel injection holes to inject the fuel radially into the swirling air flows. A method of mixing air and fuel in a burner of a gas turbine is also provided. The burner includes a burner tube including an inlet end, an outlet end, a plurality of axial air passages, and a plurality of axial fuel passages. The method includes introducing an air flow into the air passages at the inlet end; introducing a fuel into fuel passages; swirling the air flow at the outlet end; and radially injecting the fuel into the swirling air flow.

Khan, Abdul Rafey; Kraemer, Gilbert Otto; Stevenson, Christian Xavier

2012-09-04T23:59:59.000Z

235

Staged direct injection diesel engine  

DOE Patents (OSTI)

A diesel engine having staged injection for using lower cetane number fuels than No. 2 diesel fuel. The engine includes a main fuel injector and a pilot fuel injector. Pilot and main fuel may be the same fuel. The pilot injector injects from five to fifteen percent of the total fuel at timings from 20.degree. to 180.degree. BTDC depending upon the quantity of pilot fuel injected, the fuel cetane number and speed and load. The pilot fuel injector is directed toward the centerline of the diesel cylinder and at an angle toward the top of the piston, avoiding the walls of the cylinder. Stratification of the early injected pilot fuel is needed to reduce the fuel-air mixing rate, prevent loss of pilot fuel to quench zones, and keep the fuel-air mixture from becoming too fuel lean to become effective. In one embodiment, the pilot fuel injector includes a single hole for injection of the fuel and is directed at approximately 48.degree. below the head of the cylinder.

Baker, Quentin A. (San Antonio, TX)

1985-01-01T23:59:59.000Z

236

Liquid Tin Anode Direct Coal Fuel Cell Final Program Report  

SciTech Connect

This SBIR program will result in improved LTA cell technology which is the fundamental building block of the Direct Coal ECL concept. As described below, ECL can make enormous efficiency and cost contributions to utility scale coal power. This program will improve LTA cells for small scale power generation. As described in the Commercialization section, there are important intermediate military and commercial markets for LTA generators that will provide an important bridge to the coal power application. The specific technical information from this program relating to YSZ electrolyte durability will be broadly applicable SOFC developers working on coal based SOFC generally. This is an area about which very little is currently known and will be critical for successfully applying fuel cells to coal power generation.

Tao, Thomas

2012-01-26T23:59:59.000Z

237

The Linearly Scaling 3D Fragment Method for Large Scale Electronic Structure Calculations  

Science Conference Proceedings (OSTI)

The Linearly Scaling three-dimensional fragment (LS3DF) method is an O(N) ab initio electronic structure method for large-scale nano material simulations. It is a divide-and-conquer approach with a novel patching scheme that effectively cancels out the artificial boundary effects, which exist in all divide-and-conquer schemes. This method has made ab initio simulations of thousand-atom nanosystems feasible in a couple of hours, while retaining essentially the same accuracy as the direct calculation methods. The LS3DF method won the 2008 ACM Gordon Bell Prize for algorithm innovation. Our code has reached 442 Tflop/s running on 147,456 processors on the Cray XT5 (Jaguar) at OLCF, and has been run on 163,840 processors on the Blue Gene/P (Intrepid) at ALCF, and has been applied to a system containing 36,000 atoms. In this paper, we will present the recent parallel performance results of this code, and will apply the method to asymmetric CdSe/CdS core/shell nanorods, which have potential applications in electronic devices and solar cells.

Zhao, Zhengji; Meza, Juan; Lee, Byounghak; Shan, Hongzhang; Strohmaier, Erich; Bailey, David; Wang, Lin-Wang

2009-06-26T23:59:59.000Z

238

Boulder Area Directions and Transportation Information  

Science Conference Proceedings (OSTI)

Boulder Area Directions and Transportation Information. NIST Boulder Visitor Check-In & Parking. Transportation. ...

2013-02-27T23:59:59.000Z

239

Preliminary Scaling Estimate for Select Small Scale Mixing Demonstration Tests  

SciTech Connect

The Hanford Site double-shell tank (DST) system provides the staging location for waste that will be transferred to the Hanford Tank Waste Treatment and Immobilization Plant (WTP). Specific WTP acceptance criteria for waste feed delivery describe the physical and chemical characteristics of the waste that must be met before the waste is transferred from the DSTs to the WTP. One of the more challenging requirements relates to the sampling and characterization of the undissolved solids (UDS) in a waste feed DST because the waste contains solid particles that settle and their concentration and relative proportion can change during the transfer of the waste in individual batches. A key uncertainty in the waste feed delivery system is the potential variation in UDS transferred in individual batches in comparison to an initial sample used for evaluating the acceptance criteria. To address this uncertainty, a number of small-scale mixing tests have been conducted as part of Washington River Protection Solutions’ Small Scale Mixing Demonstration (SSMD) project to determine the performance of the DST mixing and sampling systems.

Wells, Beric E.; Fort, James A.; Gauglitz, Phillip A.; Rector, David R.; Schonewill, Philip P.

2013-09-12T23:59:59.000Z

240

Air Breathing Direct Methanol Fuel Cell  

NLE Websites -- All DOE Office Websites (Extended Search)

Air Breathing Direct Methanol Fuel Cell Air Breathing Direct Methanol Fuel Cell Air Breathing Direct Methanol Fuel Cell An air breathing direct methanol fuel cell is provided with a membrane electrode assembly, a conductive anode assembly that is permeable to air and directly open to atmospheric air, and a conductive cathode assembly that is permeable to methanol and directly contacting a liquid methanol source. Available for thumbnail of Feynman Center (505) 665-9090 Email Air Breathing Direct Methanol Fuel Cell An air breathing direct methanol fuel cell is provided with a membrane electrode assembly, a conductive anode assembly that is permeable to air and directly open to atmospheric air, and a conductive cathode assembly that is permeable to methanol and directly contacting a liquid methanol

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Formatting paragraph numbering for directives  

NLE Websites -- All DOE Office Websites (Extended Search)

MEASUREMENT SENSITIVE DOE G 440.1-8 12-27-06 IMPLEMENTATION GUIDE for use with 10 CFR PART 851 WORKER SAFETY AND HEALTH PROGRAM [This Guide describes suggested nonmandatory approaches for meeting requirements. Guides are not requirements documents and are not construed as requirements in any audit or appraisal for compliance with the parent Policy, Order, Notice, or Manual.] U.S. Department of Energy Washington, D.C. 20585 AVAILABLE ONLINE AT: INITIATED BY: www.directives.doe.gov Office of Health, Safety and Security DOE G 440.1-8 i (and ii) 12-27-06 FOREWORD This Department of Energy (DOE) Guide is available for use by all DOE components and their contractors. Beneficial comments (recommendations, additions, and deletions) and pertinent data that may

242

direct normal | OpenEI  

Open Energy Info (EERE)

normal normal Dataset Summary Description (Abstract): A map depicting model estimates of monthly average daily total radiation using inputs derived from satellite and surface observations of cloud cover, aerosol optical depth, precipitable water vapor, albedo, atmospheric pressure and ozone sampled at a 40km resolution. (Purpose): A visual depiction of solar energy resource for concentrating solar power systems. Source NREL Date Released December 11th, 2003 (10 years ago) Date Updated October 30th, 2007 (7 years ago) Keywords Central America direct normal DNI map NREL solar SWERA UNEP Data application/pdf icon Download Map (pdf, 67.1 KiB) Quality Metrics Level of Review Some Review Comment Temporal and Spatial Coverage Frequency Time Period License License Other or unspecified, see optional comment below

243

Direct synthesis of magnesium borohydride  

DOE Patents (OSTI)

A method is disclosed for directly preparing an alkaline earth metal borohydride, i.e. Mg(BH.sub.4).sub.2, from the alkaline earth metal boride MgB.sub.2 by hydrogenating the MgB.sub.2 at an elevated temperature and pressure. The boride may also be doped with small amounts of a metal chloride catalyst such as TiCl.sub.3 and/or NiCl.sub.2. The process provides for charging MgB.sub.2 with high pressure hydrogen above at least 70 MPa while simultaneously heating the material to about 350.degree. C. to about 400.degree. C. The method is relatively simple and inexpensive and provides a reversible hydride compound having a hydrogen capacity of at least 11 wt %.

Ronnebro, Ewa Carin Ellinor (Kennewick, WA); Severa, Godwin (Honolulu, HI); Jensen, Craig M. (Kailua, HI)

2012-04-03T23:59:59.000Z

244

Method for directional hydraulic fracturing  

DOE Patents (OSTI)

A method for directional hydraulic fracturing using borehole seals to confine pressurized fluid in planar permeable regions, comprising: placing a sealant in the hole of a structure selected from geologic or cemented formations to fill the space between a permeable planar component and the geologic or cemented formation in the vicinity of the permeable planar component; making a hydraulic connection between the permeable planar component and a pump; permitting the sealant to cure and thereby provide both mechanical and hydraulic confinement to the permeable planar component; and pumping a fluid from the pump into the permeable planar component to internally pressurize the permeable planar component to initiate a fracture in the formation, the fracture being disposed in the same orientation as the permeable planar component.

Swanson, David E. (West St. Paul, MN); Daly, Daniel W. (Crystal, MN)

1994-01-01T23:59:59.000Z

245

Small-scale irradiated fuel electrorefining  

Science Conference Proceedings (OSTI)

In support of the metallic fuel cycle development for the Integral Fast Reactor (IFR), a small scale electrorefiner was built and operated in the Hot Fuel Examination Facility (HFEF) at Argonne National Laboratory-West. The initial purpose of this apparatus was to test the single segment dissolution of irradiated metallic fuel via either direct dissolution in cadmium or anodic dissolution. These tests showed that 99.95% of the uranium and 99.99% of the plutonium was dissolved and separated from the fuel cladding material. The fate of various fission products was also measured. After the dissolution experiments, the apparatus was upgraded to stady fission product behavior during uranium electrotransport. Preliminary decontamination factors were estimated for different fission products under different processing conditions. Later modifications have added the following capabilities: Dissolution of multiple fuel segments simultaneously, electrotransport to a solid cathode or liquid cathode and actinide recovery with a chemical reduction crucible. These capabilities have been tested with unirradiated uranium-zirconium fuel and will support the Fuel Cycle Demonstration program.

Benedict, R.W.; Krsul, J.R.; Mariani, R.D.; Park, K.; Teske, G.M.

1993-09-01T23:59:59.000Z

246

Centrality scaling in large networks  

E-Print Network (OSTI)

Betweenness centrality lies at the core of both transport and structural vulnerability properties of complex networks, however, it is computationally costly, and its measurement for networks with millions of nodes is near impossible. By introducing a multiscale decomposition of shortest paths, we show that the contributions to betweenness coming from geodesics not longer than L obey a characteristic scaling vs L, which can be used to predict the distribution of the full centralities. The method is also illustrated on a real-world social network of 5.5*10^6 nodes and 2.7*10^7 links.

Ercsey-Ravasz, Maria

2010-01-01T23:59:59.000Z

247

Direct Methanol Fuel Cell Corporation DMFCC | Open Energy Information  

Open Energy Info (EERE)

Methanol Fuel Cell Corporation DMFCC Methanol Fuel Cell Corporation DMFCC Jump to: navigation, search Name Direct Methanol Fuel Cell Corporation (DMFCC) Place Altadena, California Zip 91001 Product DMFCC is focused on providing intellectual property protection and disposable fuel cartridge for the direct methanol fuel cell industry. Coordinates 34.185405°, -118.131529° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":34.185405,"lon":-118.131529,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

248

The Small-Scale Power Spectrum of Cold Dark Matter  

E-Print Network (OSTI)

One of the best motivated hypotheses in cosmology states that most of the matter in the universe is in the form of weakly-interacting massive particles that decoupled early in the history of the universe and cooled adiabatically to an extremely low temperature. Nevertheless, the finite temperature and horizon scales at which these particles decoupled imprint generic signatures on their small scales density fluctuations. We show that the previously recognized cut-off in the fluctuation power-spectrum due to free-streaming of particles at the thermal speed of decoupling, is supplemented by acoustic oscillations owing to the initial coupling between the cold dark matter (CDM) and the radiation field. The power-spectrum oscillations appear on the scale of the horizon at thermal decoupling which corresponds to a mass scale of \\~10^{-4}*(T_d/10MeV)^{-3} solar masses for a CDM decoupling temperature T_d. The suppression of the power-spectrum on smaller scales by the acoustic oscillations is physically independent from the free-streaming effect, although the two cut-off scales are coincidentally comparable for T_d~10MeV and a particle mass of M~100GeV. The initial conditions for recent numerical simulations of the earliest and smallest objects to have formed in the universe, need to be modified accordingly. The smallest dark matter clumps may be detectable through gamma-ray production from particle annihilation, through fluctuations in the event rate of direct detection experiments, or through their tidal gravitational effect on wide orbits of objects near the outer edge of the solar system.

Abraham Loeb; Matias Zaldarriaga

2005-04-05T23:59:59.000Z

249

Direct Photon Production in Au+Au Collisions at RHIC-PHENIX Experiment  

E-Print Network (OSTI)

Direct photons have been measured with the PHENIX experiment in Au+Au collisions at $\\sqrt{s_\\mathrm{NN}}$ = 200 GeV. The direct photon result obtained with PHENIX-EMCal up to 18 GeV/$c$ is consistent with the NLO pQCD calculation scaled by the nuclear overlap function. The measurement using internal conversion of photons into $e^+e^-$ shows the enhancement of the yield comparing with NLO pQCD calculation.

Tadaaki Isobe

2006-09-18T23:59:59.000Z

250

Goethite Bench-scale and Large-scale Preparation Tests  

SciTech Connect

The Hanford Waste Treatment and Immobilization Plant (WTP) is the keystone for cleanup of high-level radioactive waste from our nation's nuclear defense program. The WTP will process high-level waste from the Hanford tanks and produce immobilized high-level waste glass for disposal at a national repository, low activity waste (LAW) glass, and liquid effluent from the vitrification off-gas scrubbers. The liquid effluent will be stabilized into a secondary waste form (e.g. grout-like material) and disposed on the Hanford site in the Integrated Disposal Facility (IDF) along with the low-activity waste glass. The major long-term environmental impact at Hanford results from technetium that volatilizes from the WTP melters and finally resides in the secondary waste. Laboratory studies have indicated that pertechnetate ({sup 99}TcO{sub 4}{sup -}) can be reduced and captured into a solid solution of {alpha}-FeOOH, goethite (Um 2010). Goethite is a stable mineral and can significantly retard the release of technetium to the environment from the IDF. The laboratory studies were conducted using reaction times of many days, which is typical of environmental subsurface reactions that were the genesis of this new process. This study was the first step in considering adaptation of the slow laboratory steps to a larger-scale and faster process that could be conducted either within the WTP or within the effluent treatment facility (ETF). Two levels of scale-up tests were conducted (25x and 400x). The largest scale-up produced slurries of Fe-rich precipitates that contained rhenium as a nonradioactive surrogate for {sup 99}Tc. The slurries were used in melter tests at Vitreous State Laboratory (VSL) to determine whether captured rhenium was less volatile in the vitrification process than rhenium in an unmodified feed. A critical step in the technetium immobilization process is to chemically reduce Tc(VII) in the pertechnetate (TcO{sub 4}{sup -}) to Tc(Iv)by reaction with the ferrous ion, Fe{sup 2+}-Fe{sup 2+} is oxidized to Fe{sup 3+} - in the presence of goethite seed particles. Rhenium does not mimic that process; it is not a strong enough reducing agent to duplicate the TcO{sub 4}{sup -}/Fe{sup 2+} redox reactions. Laboratory tests conducted in parallel with these scaled tests identified modifications to the liquid chemistry necessary to reduce ReO{sub 4}{sup -} and capture rhenium in the solids at levels similar to those achieved by Um (2010) for inclusion of Tc into goethite. By implementing these changes, Re was incorporated into Fe-rich solids for testing at VSL. The changes also changed the phase of iron that was in the slurry product: rather than forming goethite ({alpha}-FeOOH), the process produced magnetite (Fe{sub 3}O{sub 4}). Magnetite was considered by Pacific Northwest National Laboratory (PNNL) and VSL to probably be a better product to improve Re retention in the melter because it decomposes at a higher temperature than goethite (1538 C vs. 136 C). The feasibility tests at VSL were conducted using Re-rich magnetite. The tests did not indicate an improved retention of Re in the glass during vitrification, but they did indicate an improved melting rate (+60%), which could have significant impact on HLW processing. It is still to be shown whether the Re is a solid solution in the magnetite as {sup 99}Tc was determined to be in goethite.

Josephson, Gary B.; Westsik, Joseph H.

2011-10-23T23:59:59.000Z

251

Building Scale vs. Community Scale Net-Zero Energy Performance  

SciTech Connect

Many government and industry organizations are focusing building energy-efficiency goals around producing individual net-zero buildings (nZEBs), using photovoltaic (PV) technology to provide on-site renewable energy after substantially improving the energy efficiency of the buildings themselves. Seeking net-zero energy (NZE) at the community scale instead introduces the possibility of using a wider range of renewable energy technologies, such as solar-thermal electricity generation, solar-assisted heating/cooling systems, and wind energy, economically. This paper reports results of a study comparing NZE communities to communities consisting of individual nZEBs. Five scenarios are examined: 1) base case – a community of nZEBs with roof mounted PV systems; 2) NZE communities served by wind turbines on leased land; 3) NZE communities served by wind turbines on owned land; 4) communities served by solar-thermal electric generation; and 5) communities served by photovoltaic farms. All buildings are assumed to be highly efficient, e.g., 70% more efficient than current practice. The scenarios are analyzed for two climate locations (Chicago and Phoenix), and the levelized costs of electricity for the scenarios are compared. The results show that even for the climate in the U.S. most favorable to PV (Phoenix), more cost-effective approaches are available to achieving NZE than the conventional building-level approach (rooftop PV with aggressive building efficiency improvements). The paper shows that by expanding the measurement boundary for NZE, a community can take advantage of economies of scale, achieving improved economics while reaching the same overall energy-performance objective.

Katipamula, Srinivas; Fernandez, Nicholas; Brambley, Michael R.; Reddy, T. A.

2010-06-30T23:59:59.000Z

252

Scattering and; Delay, Scale, and Sum Migration  

SciTech Connect

How do we see? What is the mechanism? Consider standing in an open field on a clear sunny day. In the field are a yellow dog and a blue ball. From a wave-based remote sensing point of view the sun is a source of radiation. It is a broadband electromagnetic source which, for the purposes of this introduction, only the visible spectrum is considered (approximately 390 to 750 nanometers or 400 to 769 TeraHertz). The source emits an incident field into the known background environment which, for this example, is free space. The incident field propagates until it strikes an object or target, either the yellow dog or the blue ball. The interaction of the incident field with an object results in a scattered field. The scattered field arises from a mis-match between the background refractive index, considered to be unity, and the scattering object refractive index ('yellow' for the case of the dog, and 'blue' for the ball). This is also known as an impedance mis-match. The scattering objects are referred to as secondary sources of radiation, that radiation being the scattered field which propagates until it is measured by the two receivers known as 'eyes'. The eyes focus the measured scattered field to form images which are processed by the 'wetware' of the brain for detection, identification, and localization. When time series representations of the measured scattered field are available, the image forming focusing process can be mathematically modeled by delayed, scaled, and summed migration. This concept of optical propagation, scattering, and focusing have one-to-one equivalents in the acoustic realm. This document is intended to present the basic concepts of scalar scattering and migration used in wide band wave-based remote sensing and imaging. The terms beamforming and (delayed, scaled, and summed) migration are used interchangeably but are to be distinguished from the narrow band (frequency domain) beamforming to determine the direction of arrival of a signal, and seismic migration in which wide band time series are shifted but not to form images per se. Section 3 presents a mostly graphically-based motivation and summary of delay, scale, and sum beamforming. The model for incident field propagation in free space is derived in Section 4 under specific assumptions. General object scattering is derived in Section 5 and simplified under the Born approximation in Section 6. The model of this section serves as the basis in the derivation of time-domain migration. The Foldy-Lax, full point scatterer scattering, method is derived in Section 7. With the previous forward models in hand, delay, scale, and sum beamforming is derived in Section 8. Finally, proof-of-principle experiments are present in Section 9.

Lehman, S K

2011-07-06T23:59:59.000Z

253

Stochastic Forcing of Planetary Scale Flow  

Science Conference Proceedings (OSTI)

Using geopotential height observations we analyze the fluctuations of the barotropic vorticity transfer from synoptic scale flow (zonal wavenumber m > 5) to planetary scales (m ? 5). We hypothesize that this transfer can be seen as a stochastic ...

Joseph Egger; H-D. Schilling

1984-03-01T23:59:59.000Z

254

Zonal Penetration Scale of Model Midlatitude Jets  

Science Conference Proceedings (OSTI)

All available observations indicate that the most energetic time-dependent currents are located in the vicinity of intense large-scale oceanic current systems. This characteristic is also a basic property of eddy-resolving gyre-scale numerical ...

William R. Holland; William J. Schmitz

1985-12-01T23:59:59.000Z

255

Direct expanded snacks from sorghum  

E-Print Network (OSTI)

Food type white sorghum (ATx631xRTx436) grown in College Station, 2001 was used to produce direct expanded snacks. Corn meal was used as reference. Sorghum grains were analyzed for their density, hardness, weight, and size. Sorghum was decorticated to remove 0 (whole) and 20% of its initial weight. Both whole (WS) and decorticated sorghums (DS) were milled and sifted into coarse and fine meals. Meals were analyzed for chemical composition and physical properties. All meals were extruded with a single screw cooking-extruder (Wenger X-20) using optimum extrusion conditions for coarse corn meal. The extrudates were analyzed for physical and sensory properties. Particle size distributions of coarse meals from WS and DS were adjusted to equal the particle size of corn meal. Decortication reduced fat, protein and fiber contents and lighten the color of the sorghum grains. Fine meals had higher pasting viscosities than coarse meals. Extrudates from coarse DS meal had the highest expansion ratio among sorghum extrudates. The environmental scanning electron microscope showed that extrudates from fine DS meal had thick cell walls probably due to the starch being overcooked and the extrudate structure collapsing after expansion. Extrudates from both DS meals were white with a bland taste. Particle size was important to produce good snacks but the composition, especially fat content, had more effect than the particle size. Extrudates from both WS meals had low expansion due to the higher fat and fiber and reduced starch contents. Fat and fiber act as lubricants during extrusion. Extrudates from WS were very hard and off-white with a mild after-taste. The extrusion conditions for WS and DS milled products would require adjustments to produce expanded snacks with properties similar to those of coarse corn meal. Sorghum can be used as raw material alone for direct expanded snacks. Extrudates from DS meals had excellent characteristics that were similar to extrudates from corn and other commercial extruded snacks. The mild flavor and light color suggests that sorghum can compete with rice in extruded snacks. The WS extrudates can be used to produce whole grain high fiber snacks.

Maranphal, Nitit

2003-01-01T23:59:59.000Z

256

Non-relativistic effective theory of dark matter direct detection  

E-Print Network (OSTI)

Dark matter direct detection searches for signals coming from dark matter scattering against nuclei at a very low recoil energy scale ~ 10 keV. In this paper, a simple non-relativistic effective theory is constructed to describe interactions between dark matter and nuclei without referring to any underlying high energy models. It contains the minimal set of operators that will be tested by direct detection. The effective theory approach highlights the set of distinguishable recoil spectra that could arise from different theoretical models. If dark matter is discovered in the near future in direct detection experiments, a measurement of the shape of the recoil spectrum will provide valuable information on the underlying dynamics. We bound the coefficients of the operators in our non-relativistic effective theory by the null results of current dark matter direct detection experiments. We also discuss the mapping between the non-relativistic effective theory and field theory models or operators, including aspects of the matching of quark and gluon operators to nuclear form factors.

JiJi Fan; Matthew Reece; Lian-Tao Wang

2010-08-09T23:59:59.000Z

257

ARPES Provides Direct Evidence of Spin-Wave Coupling  

NLE Websites -- All DOE Office Websites (Extended Search)

ARPES Provides Direct Evidence ARPES Provides Direct Evidence of Spin-Wave Coupling ARPES Provides Direct Evidence of Spin-Wave Coupling Print Wednesday, 30 March 2005 00:00 The electronic properties of a metal are determined by the dynamical behavior of its conduction electrons. Conventional band theory accounts for the interaction of the electrons with the static ion lattice. However, coupling to further microscopic degrees of freedom can alter the electron dynamics considerably. For example, "conventional" superconductivity emerges as a result of the electrons' interaction with lattice vibrations (phonons). In magnetic materials, coupling with spin waves (magnons) is also expected. Such interactions may contribute to high-temperature superconductivity in novel materials. Unfortunately, lattice vibrations and spin waves have similar energy scales, hindering detailed study. Researchers have taken a new approach in analyzing the electron bands of ferromagnetic iron. Angle-resolved photoemission spectroscopy (ARPES) provides direct spectroscopic evidence of altered electron mass and energy (quasiparticle formation) in a magnetic solid due to coupling with spin waves.

258

Type II Leptogenesis and the Neutrino Mass Scale  

E-Print Network (OSTI)

We discuss the effect of the neutrino mass scale on baryogenesis via the out-of-equilibrium decay of the lightest right-handed (s)neutrinos in type II see-saw models. We calculate the type II contributions to the decay asymmetries for minimal scenarios based on the Standard Model and on the Minimal Supersymmetric Standard Model, where the additional direct mass term for the neutrinos arises from a Higgs triplet vacuum expectation value. The result in the supersymmetric case is new and we correct the previous result in the scenario based on the Standard Model. We confirm and generalize our results by calculating the decay asymmetries in an effective approach, which is independent of the realization of the type II contribution. We derive a general upper bound on the decay asymmetry in type II see-saw models and find that it increases with the neutrino mass scale, in sharp contrast to the type I case which leads to an upper bound of about 0.1 eV on the neutrino mass scale. We find a lower bound on the mass of the lightest right-handed neutrino, significantly below the corresponding type I bound for partially degenerate neutrinos. This lower bound decreases with increasing neutrino mass scale, making leptogenesis more consistent with the gravitino constraints in supersymmetric models.

Stefan Antusch; Steve F. King

2004-05-11T23:59:59.000Z

259

Energy Basics: Large-Scale Hydropower  

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

Energy Basics Renewable Energy Printable Version Share this resource Biomass Geothermal Hydrogen Hydropower Large-Scale Hydropower Microhydropower Hydropower Resources...

260

Atomic Scale Deformation Mechanisms of Amorphous Polyethylene ...  

Science Conference Proceedings (OSTI)

Atomic Scale Deformation Mechanisms of Amorphous Polyethylene under Tensile Loading · Atomistic Predictions of Age Hardening in Al-Cu Alloys.

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Bench-Scale Fermentation Laboratory (Fact Sheet)  

DOE Green Energy (OSTI)

This fact sheet provides information about Bench-Scale Fermentation Laboratory capabilities and applications at NREL's National Bioenergy Center.

Not Available

2011-07-01T23:59:59.000Z

262

Retrieving scale from quasi-stationary images  

Science Conference Proceedings (OSTI)

We have developed a novel method to derive scale information from quasi-stationary images, which relies on a rotation-guided multi-scale analysis of features derived from Gray-Level Co-occurrence Matrices (GLCM). Unlike other methods for multi-scale ... Keywords: CNS, GLCM, Gray-Level Co-occurrence matrices, MPGS, Multi-scale, Quasi-stationary images, Rotation-guided, Texture characterization

Piotr W. Mirowski; Daniel M. Tetzlaff

2008-04-01T23:59:59.000Z

263

Memorandum, Principles Governing Departmental Directives - September 10,  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Principles Governing Departmental Directives - Principles Governing Departmental Directives - September 10, 2007 Memorandum, Principles Governing Departmental Directives - September 10, 2007 September 10, 2007 The Department of Energy uses directives as its primary means to establish, communicate, and institutionalize policies, requirements, and procedures for Departmental Elements and, in some instances, our contractors. The Department of Energy uses directives as its primary means to establish, communicate, and institutionalize policies, requirements, and procedures for Departmental Elements and, in some instances, our contractors. Directives help ensure that the Department operates in a safe, secure, efficient, and cost-effective manner. They promote operational consistency throughout the DOE complex, foster sound management, and

264

Low backlash direct drive actuator  

DOE Patents (OSTI)

A low backlash direct drive actuator is described which comprises a motor such as a stepper motor having at least 200 steps per revolution; a two part hub assembly comprising a drive hub coaxially attached to the shaft of the motor and having a plurality of drive pins; a driven hub having a plurality of bores in one end thereof in alignment with the drive pins in the drive hub and a threaded shaft coaxially mounted in an opposite end of the driven hub; and a housing having a central bore therein into which are fitted the drive hub and driven hub, the housing having a motor mount on one end thereof to which is mounted the stepper motor, and a closed end portion with a threaded opening therein coaxial with the central bore in the housing and receiving therein the threaded shaft attached to the driven hub. Limit switches mounted to the housing cooperate with an enlarged lip on the driven hub to limit the lateral travel of the driven hub in the housing, which also acts to limit the lateral travel of the threaded shaft which functions as a lead screw.

Kuklo, Thomas C. (Oakland, CA)

1994-01-01T23:59:59.000Z

265

Global terrestrial biogeochemistry: Perturbations, interactions, and time scales  

Science Conference Proceedings (OSTI)

Global biogeochemical processes are being perturbed by human activity, principally that which is associated with industrial activity and expansion of urban and agricultural complexes. Perturbations have manifested themselves at least since the beginning of the 19th Century, and include emissions of CO{sub 2} and other pollutants from fossil fuel combustion, agricultural emissions of reactive nitrogen, and direct disruption of ecosystem function through land conversion. These perturbations yield local impacts, but there are also global consequences that are the sum of local-scale influences. Several approaches to understanding the global-scale implications of chemical perturbations to the Earth system are discussed. The lifetime of anthropogenic CO{sub 2} in the atmosphere is an important concept for understanding the current and future commitment to an altered atmospheric heat budget. The importance of the terrestrial biogeochemistry relative to the lifetime of excess CO{sub 2} is demonstrated using dynamic, aggregated models of the global carbon cycle.

Braswell, B.H. Jr.

1996-12-01T23:59:59.000Z

266

Nuclear Reactions & Scaling Arguments 11 October 2011  

E-Print Network (OSTI)

Nuclear Reactions & Scaling Arguments 11 October 2011 Goals · Review nuclear reaction rates · Practice using scaling arguments Nuclear Reactions 1. Consider the simple reaction A k1 ---- B k2 ---- C = 3. #12;nuclear reactions & scaling arguments 2 3. Frequently, we approximate nuclear reaction rates

Militzer, Burkhard

267

Nuclear Reactions & Scaling Arguments 11 October 2011  

E-Print Network (OSTI)

Nuclear Reactions & Scaling Arguments 11 October 2011 Goals · Review nuclear reaction rates · Practice using scaling arguments Nuclear Reactions 1. Consider the simple reaction A k1 ---- B k2 ---- C rate for something like p + p D scales like n2 p. Think in microscopic terms. #12;nuclear reactions

Militzer, Burkhard

268

Virtual screening on large scale grids  

Science Conference Proceedings (OSTI)

Large scale grids for in silico drug discovery open opportunities of particular interest to neglected and emerging diseases. In 2005 and 2006, we have been able to deploy large scale virtual docking within the framework of the WISDOM initiative against ... Keywords: Avian influenza, Large scale grids, Malaria, Virtual screening

Nicolas Jacq; Vincent Breton; Hsin-Yen Chen; Li-Yung Ho; Martin Hofmann; Vinod Kasam; Hurng-Chun Lee; Yannick Legré; Simon C. Lin; Astrid Maaí; Emmanuel Medernach; Ivan Merelli; Luciano Milanesi; Giulio Rastelli; Matthieu Reichstadt; Jean Salzemann; Horst Schwichtenberg; Ying-Ta Wu; Marc Zimmermann

2007-05-01T23:59:59.000Z

269

Particle Bed Reactor scaling relationships  

DOE Green Energy (OSTI)

Scaling relationships for Particle Bed Reactors (PBRs) are discussed. The particular applications are short duration systems, i.e., for propulsion or burst power. Particle Bed Reactors can use a wide selection of different moderators and reflectors and be designed for such a wide range of power and bed power densities. Additional design considerations include the effect of varying the number of fuel elements, outlet Mach number in hot gas channel, etc. All of these variables and options result in a wide range of reactor weights and performance. Extremely light weight reactors (approximately 1 kg/MW) are possible with the appropriate choice of moderator/reflector and power density. Such systems are very attractive for propulsion systems where parasitic weight has to be minimized.

Slovik, G.; Araj, K.; Horn, F.L.; Ludewig, H.; Benenati, R.

1987-01-01T23:59:59.000Z

270

Aspects of stellarator confinement scaling  

DOE Green Energy (OSTI)

Extensive discussion has been made concerning stellarator experimental confinement scaling and the extrapolation to reactor systems. Two features are discussed here: (1) The role of hydrogen-impurity interactions. (2) The neoclassical (bootstrap) current has been invoked as an argument against the possibility of optimizing the stellarator magnetic configuration to reach high ..beta... It is felt that significant bootstrap current production under conditions of high ..beta.. will dominate the vacuum fields. In this regard, a brief summary is presented of a comparison made between ISX-B high-..beta.. data and the neoclassical predictions. The non-neoclassical rates of electron pitch-angle scattering serve to destroy this current, and are evidently responsible for a lack of evidence for the bootstrap current under conditions in tokamaks where a large effect is expected.

Hogan, J.

1981-01-01T23:59:59.000Z

271

Direct Aluminum Powder Nitridation under Flowing Ammonia  

Science Conference Proceedings (OSTI)

Design and Manufacture of Fluidized Bed Reactor in Pilot Scale for Multiple ..... The Effect of Circulating Coal Slurry Water Hardness on Coal Preparation.

272

Centrality Dependence of Direct Photon Production in sqrt(s_NN) = 200 GeV Au+Au Collisions  

E-Print Network (OSTI)

The first measurement of direct photons in Au+Au collisions at sqrt(s_NN) = 200 GeV is presented. The direct photon signal is extracted as a function of the Au+Au collision centrality and compared to NLO pQCD calculations. The direct photon yield is shown to scale with the number of nucleon-nucleon collisions for all centralities.

PHENIX Collaboration; S. S. Adler

2005-03-07T23:59:59.000Z

273

Definition: Geothermal Direct Use | Open Energy Information  

Open Energy Info (EERE)

Geothermal Direct Use Geothermal Direct Use Jump to: navigation, search Dictionary.png Geothermal Direct Use Low- to moderate-temperature water from geothermal reservoirs can be used to provide heat directly to buildings, or other applications that require heat. Generally, the water in the geothermal reservoirs withdrawn for direct use is between 68° F to 302° F. In addition to residential, commercial and industrial buildings, homes, pools and spas, greenhouses, fish farms, and even mining operations utilize direct use of geothermal resources for heat[1][2] View on Wikipedia Wikipedia Definition Geothermal heating is the direct use of geothermal energy for heating applications. Humans have taken advantage of geothermal heat this way since the Paleolithic era. Approximately seventy countries made direct

274

Subtropical Climatology of Direct Beam Solar Radiation  

Science Conference Proceedings (OSTI)

A climatology of direct beam irradiance has been compiled for Mauna Loa Observatory. A broadband transmittance, calculated from the direct-beam data, has been stratified into clear sky and optically thin and thick cloud regimes; statistics of ...

T. M. Thompson; S. K. Cox

1982-03-01T23:59:59.000Z

275

West Virginia Direct Loan Program (West Virginia)  

Energy.gov (U.S. Department of Energy (DOE))

The West Virginia Direct Loan Program, provides up to 45 percent in financing fixed assets through low-interest, direct loans to businesses expanding or locating in West Virginia. Proceeds from the...

276

Direct Measurements of the Luzon Undercurrent  

Science Conference Proceedings (OSTI)

The Luzon Undercurrent (LUC) was discovered about 20 years ago by geostrophic calculation from conductivity–temperature–depth (CTD) data. But it was not directly measured until 2010. From November 2010 to July 2011, the LUC was first directly ...

Dunxin Hu; Shijian Hu; Lixin Wu; Lei Li; Linlin Zhang; Xinyuan Diao; Zhaohui Chen; Yuanlong Li; Fan Wang; Dongliang Yuan

2013-07-01T23:59:59.000Z

277

Living Direct: Order (2011-CE-1904)  

Energy.gov (U.S. Department of Energy (DOE))

DOE ordered Living Direct, Inc. to pay a $6,000 civil penalty after finding Living Direct had failed to certify that certain models of dishwashers, refrigerator-freezers and freezers comply with the applicable energy conservation standards.

278

When Are Eddy Tracer Fluxes Directed Downgradient?  

Science Conference Proceedings (OSTI)

The mechanisms controlling the direction of eddy tracer fluxes are examined using eddy-resolving isopycnic experiments for a cyclic zonal channel. Eddy fluxes are directed downgradient on average when either (i) there is a Lagrangian increase in ...

Chris Wilson; Richard G. Williams

2006-02-01T23:59:59.000Z

279

Directional intercept factor of truncated CPCs  

SciTech Connect

The fraction of power reaching the collector of a truncated cylindrical compound parabolic concentrator, out of the total power arriving at its entry aperture in a given direction, is calculated without ray tracing for all directions.

Minano, J.C.

1983-09-01T23:59:59.000Z

280

Community Scale Development | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Resource Library » Community Scale Development Energy Resource Library » Community Scale Development Community Scale Development Below are resources for Tribes on community scale energy project development. Commercial Lending in Indian Country: Potential Opportunities in an Emerging Market Explores the commercial lending environment in Indian Country, including the interrelationship of governmental, legal, institutional, organizational, and financial infrastructures. The report examines the major challenges and constraints that have impeded larger scale efforts and describes banking and tribal community responses to these barriers considered critical to successful implementation of commercial lending activities. Source: U.S. Department of the Treasury. Community Wind Financing Handbook Provides information on financing community wind projects, including

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Approaches to large scale unsaturated flow in heterogeneous, stratified, and fractured geologic media  

Science Conference Proceedings (OSTI)

This report develops a broad review and assessment of quantitative modeling approaches and data requirements for large-scale subsurface flow in radioactive waste geologic repository. The data review includes discussions of controlled field experiments, existing contamination sites, and site-specific hydrogeologic conditions at Yucca Mountain. Local-scale constitutive models for the unsaturated hydrodynamic properties of geologic media are analyzed, with particular emphasis on the effect of structural characteristics of the medium. The report further reviews and analyzes large-scale hydrogeologic spatial variability from aquifer data, unsaturated soil data, and fracture network data gathered from the literature. Finally, various modeling strategies toward large-scale flow simulations are assessed, including direct high-resolution simulation, and coarse-scale simulation based on auxiliary hydrodynamic models such as single equivalent continuum and dual-porosity continuum. The roles of anisotropy, fracturing, and broad-band spatial variability are emphasized. 252 refs.

Ababou, R.

1991-08-01T23:59:59.000Z

282

Laramie County Community College: Utility-Scale Wind Energy Technology  

DOE Green Energy (OSTI)

The Utility-Scale Wind Energy Technology U.S. Department of Energy (DOE) grant EE0000538, provided a way ahead for Laramie County Community College (LCCC) to increase educational and training opportunities for students seeking an Associate of Applied Science (AAS) or Associate of Science (AS) degree in Wind Energy Technology. The DOE grant enabled LCCC to program, schedule, and successfully operate multiple wind energy technology cohorts of up to 20-14 students per cohort simultaneously. As of this report, LCCC currently runs four cohorts. In addition, the DOE grant allowed LCCC to procure specialized LABVOLT electronic equipment that directly supports is wind energy technology curriculum.

Douglas P. Cook

2012-05-22T23:59:59.000Z

283

Hydrothermal industrialization: direct heat development. Final report  

Science Conference Proceedings (OSTI)

A description of hydrothermal resources suitable for direct applications, their associated temperatures, geographic distribution and developable capacity are given. An overview of the hydrothermal direct-heat development infrastructure is presented. Development activity is highlighted by examining known and planned geothermal direct-use applications. Underlying assumptions and results for three studies conducted to determine direct-use market penetration of geothermal energy are discussed.

Not Available

1982-05-01T23:59:59.000Z

284

Laboratory Directed Research & Development | National Nuclear...  

National Nuclear Security Administration (NNSA)

& Technology Programs > Office of Advanced Simulation and Computing and Institutional R&D Programs > Institutional Research & Development > Laboratory Directed Research &...

285

Directional Reactive Power Ground Plane Transmission  

Directional Reactive Power Ground Plane Transmission Technology Summary ... The invention can transmit electrical power through the surface of the ...

286

DIRECTED ENERGY BIOMETRICS AND REMOTE SENSING  

Science Conference Proceedings (OSTI)

... New and Reorganized Appendices ?Sample Audit Forms ?And more ANSI Z 136.8 Page 6. DIRECTED ENERGY REMOTE SENSING: ...

2013-02-21T23:59:59.000Z

287

Scaling Laws in the Distribution of Galaxies  

E-Print Network (OSTI)

Research done during the previous century established our Standard Cosmological Model. There are many details still to be filled in, but few would seriously doubt the basic premise. Past surveys have revealed that the large-scale distribution of galaxies in the Universe is far from random: it is highly structured over a vast range of scales. To describe cosmic structures, we need to build mathematically quantifiable descriptions of structure. Identifying where scaling laws apply and the nature of those scaling laws is an important part of understanding which physical mechanisms have been responsible for the organization of clusters, superclusters of galaxies and the voids between them. Finding where these scaling laws are broken is equally important since this indicates the transition to different underlying physics. In describing scaling laws we are helped by making analogies with fractals: mathematical constructs that can possess a wide variety of scaling properties. We must beware, however, of saying that the Universe is a fractal on some range of scales: it merely exhibits a specific kind of fractal-like behavior on those scales. We exploit the richness of fractal scaling behavior merely as an important supplement to the usual battery of statistical descriptors. We review the history of how we have learned about the structure of the Universe and present the data and methodologies that are relevant to the question of discovering and understanding any scaling properties that structure may have. The ultimate goal is to have a complete understanding of how that structure emerged. We are getting close!

Bernard J. T. Jones; Vicent J. Martinez; Enn Saar; Virginia Trimble

2004-06-03T23:59:59.000Z

288

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

Science Conference Proceedings (OSTI)

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was completed. The project was then re-directed to the making of iron units. U.S. Steel teamed up with Calderon for a joint effort which will last 30 months to produce directly reduced iron with the potential of converting it into molten iron (hot metal) consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy. The work which is labeled as Phase II will take place at two levels; namely, the bench scale level and the process development unit (PDU) level. The bench scale work is being divided into two parts; the construction and operation of Bench Scale No.1 to make hot metal direct as one part and the construction and operation of Bench Scale No.2 to make DRI with its conversion to hot metal as the second part. The work at the PDU consists of getting the PDU which exists ready for advancing the activities from bench scale to PDU level.

Albert Calderon

2001-10-24T23:59:59.000Z

289

PCTS Local Driving Directions Princeton University  

E-Print Network (OSTI)

PCTS Local Driving Directions Princeton University Princeton Center for Theoretical Science Jadwin to Jadwin Hall, there are several parking options. a) There are limited visitors' parking spots directly, in the first aisle, after you turn into the parking lot, which is located on Ivy Lane. (Use the directions

290

Our purpose and direction 2011 to 2014  

E-Print Network (OSTI)

Corporate Our purpose and direction summary 2011 to 2014 #12;Forestry Commission Wales 3 Our direction Our work is guided by Woodlands for Wales, WAG's 50 year strategy for woodlands and trees, which and environmental public benefits. 2 Forestry Commission Wales Welcome to the summary of Our Purpose and Direction

291

Our Purpose and Direction Forestry Commission Wales  

E-Print Network (OSTI)

Corporate Our Purpose and Direction Forestry Commission Wales: Corporate Plan 2012 to 2015 #12;Ministers Foreword I am very pleased to be providing the foreword for `Our purpose and direction beyond the 50-year lifespan of Woodlands for Wales. Our Purpose and Direction John Griffiths AM Minister

292

Creating New Broadleaved Woodland by Direct Seeding  

E-Print Network (OSTI)

Creating New Broadleaved Woodland by Direct Seeding P R A C T I C E G U I D E #12;Timing Operation by Direct Seeding Ian Willoughby, Richard Jinks, Peter Gosling and Gary Kerr Forestry Commission: Edinburgh WILLOUGHBY, I. et al. (2004). Creating new broadleaved woodland by direct seeding. Forestry Commission

293

PERSPECTIVE Directed Evolution of Novel Protein Functions  

E-Print Network (OSTI)

PERSPECTIVE Directed Evolution of Novel Protein Functions Huimin Zhao1,2 1 Department of Chemical.interscience.wiley.com). DOI 10.1002/bit.21455 ABSTRACT: Directed evolution has been successfully used to engineer proteins for basic and applied biological research. However, engineering of novel protein functions by directed

Zhao, Huimin

294

Our purpose and direction 2012 to 2015  

E-Print Network (OSTI)

Corporate Our purpose and direction summary 2012 to 2015 #12;Forestry Commission Wales 3 Our direction Our work is guided by Woodlands for Wales, the WG's 50-year strategy for woodlands and trees. We trees and woodlands now and in the future. We work both directly on the WGWE and with other woodland

295

Air breathing direct methanol fuel cell  

DOE Patents (OSTI)

An air breathing direct methanol fuel cell is provided with a membrane electrode assembly, a conductive anode assembly that is permeable to air and directly open to atmospheric air, and a conductive cathode assembly that is permeable to methanol and directly contacting a liquid methanol source.

Ren, Xiaoming (Los Alamos, NM)

2002-01-01T23:59:59.000Z

296

Scaling Laws in the Distribution of Galaxies  

E-Print Network (OSTI)

Research done during the previous century established our Standard Cosmological Model. There are many details still to be filled in, but few would seriously doubt the basic premise. Past surveys have revealed that the large-scale distribution of galaxies in the Universe is far from random: it is highly structured over a vast range of scales. To describe cosmic structures, we need to build mathematically quantifiable descriptions of structure. Identifying where scaling laws apply and the nature of those scaling laws is an important part of understanding which physical mechanisms have been responsible for the organization of clusters, superclusters of galaxies and the voids between them. Finding where these scaling laws are broken is equally important since this indicates the transition to different underlying physics. In describing scaling laws we are helped by making analogies with fractals: mathematical constructs that can possess a wide variety of scaling properties. We must beware, however, of saying that ...

Jones, B J T; Saar, E; Trimble, V; Jones, Bernard J. T.; Martinez, Vicent J.; Saar, Enn; Trimble, Virginia

2004-01-01T23:59:59.000Z

297

Design and optimization strategies for muscle-like direct-drive linear permanent-magnet motors  

Science Conference Proceedings (OSTI)

We report a new approach to the design of direct-drive linear permanent-magnet motors for use in general-purpose robotic actuation, with particular attention to applications in bird-scale flapping-wing robots. We show a simple, quantitative analytical ... Keywords: Actuator design, electric motors, muscle

Bryan P Ruddy; Ian W Hunter

2011-06-01T23:59:59.000Z

298

Directional histogram ratio at random probes: A local thresholding criterion for capillary images  

Science Conference Proceedings (OSTI)

With the development of micron-scale imaging techniques, capillaries can be conveniently visualized using methods such as two-photon and whole mount microscopy. However, the presence of background staining, leaky vessels and the diffusion of small fluorescent ... Keywords: Capillary, Directional histogram ratio, Image thresholding, Random probe, Two-photon imaging, Whole mount microscopy

Na Lu; Jharon Silva; Yu Gu; Scott Gerber; Hulin Wu; Harris Gelbard; Stephen Dewhurst; Hongyu Miao

2013-07-01T23:59:59.000Z

299

Massively parallel direct numerical simulations of forced compressible turbulence: a hybrid MPI/OpenMP approach  

Science Conference Proceedings (OSTI)

A highly scalable simulation code for turbulent flows which solves the fully compressible Navier-Stokes equations is presented. The code, which supports one, two and three dimensional domain decompositions is shown to scale well on up to 262,144 cores. ... Keywords: direct numerical simulations, multilevel parallelism, parallel performance, turbulent flows

Shriram Jagannathan; Diego A. Donzis

2012-07-01T23:59:59.000Z

300

Direct FuelCell/Turbine Power Plant  

DOE Green Energy (OSTI)

This report summarizes the progress made in development of Direct FuelCell/Turbine (DFC/T{reg_sign}) power plants for generation of clean power at very high efficiencies. The DFC/T system employs an indirectly heated Turbine Generator to supplement fuel cell generated power. The concept extends the high efficiency of the fuel cell by utilizing the fuel cell's byproduct heat in a Brayton cycle. Features of the DFC/T system include: electrical efficiencies of up to 75% on natural gas, minimal emissions, reduced carbon dioxide release to the environment, simplicity in design, direct reforming internal to the fuel cell, and potential cost competitiveness with existing combined cycle power plants. Proof-of-concept tests using a sub-MW-class DFC/T power plant at FuelCell Energy's (FCE) Danbury facility were conducted to validate the feasibility of the concept and to measure its potential for electric power production. A 400 kW-class power plant test facility was designed and retrofitted to conduct the tests. The initial series of tests involved integration of a full-size (250 kW) Direct FuelCell stack with a 30 kW Capstone microturbine. The operational aspects of the hybrid system in relation to the integration of the microturbine with the fuel cell, process flow and thermal balances, and control strategies for power cycling of the system, were investigated. A subsequent series of tests included operation of the sub-MW Direct FuelCell/Turbine power plant with a Capstone C60 microturbine. The C60 microturbine extended the range of operation of the hybrid power plant to higher current densities (higher power) than achieved in initial tests using the 30kW microturbine. The proof-of-concept test results confirmed the stability and controllability of operating a fullsize (250 kW) fuel cell stack in combination with a microturbine. Thermal management of the system was confirmed and power plant operation, using the microturbine as the only source of fresh air supply to the system, was demonstrated. System analyses of 40 MW DFC/T hybrid systems, approaching 75% efficiency on natural gas, were carried out using CHEMCAD simulation software. The analyses included systems for near-term and long-term deployment. A new concept was developed that was based on clusters of one-MW fuel cell modules as the building blocks. The preliminary design of a 40 MW power plant, including the key equipment layout and the site plan, was completed. The process information and operational data from the proof-of-concept tests were used in the design of 40 MW high efficiency DFC/T power plants. A preliminary cost estimate for the 40 MW DFC/T plant was also prepared. Pilot-scale tests of the cascaded fuel cell concept for achieving high fuel utilizations were conducted. The tests demonstrated that the concept has the potential to offer higher power plant efficiency. Alternate stack flow geometries for increased power output and fuel utilization capabilities were also evaluated. Detailed design of the packaged sub-MW DFC/T Alpha Unit was completed, including equipment and piping layouts, instrumentation, electrical, and structural drawings. The lessons learned from the proof-of-concept tests were incorporated in the design of the Alpha Unit. The sub-MW packaged unit was fabricated, including integration of the Direct FuelCell{reg_sign} (DFC{reg_sign}) stack module with the mechanical balance-of-plant and electrical balance-of-plant. Factory acceptance tests of the Alpha DFC/T power plant were conducted at Danbury, CT. The Alpha Unit achieved an unsurpassed electrical efficiency of 58% (LHV natural gas) during the factory tests. The resulting high efficiency in conversion of chemical energy to electricity far exceeded any sub-MW class power generation equipment presently in the market. After successful completion of the factory tests, the unit was shipped to the Billings Clinic in Billings, MT, for field demonstration tests. The DFC/T unit accomplished a major achievement by successfully completing 8000 hours of operation at the Billings site. The Alpha sub-MW DF

Hossein Ghezel-Ayagh

2008-09-30T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Advanced Robotics Journal, Vol. X, No. Y, 2002 (to appear) SCALED TELEOPERATION SYSTEM FOR NANO SCALE  

E-Print Network (OSTI)

Advanced Robotics Journal, Vol. X, No. Y, 2002 (to appear) SCALED TELEOPERATION SYSTEM FOR NANO for teleoperated nano scale object interaction and manipulation. Design specifications for a bilateral scaled system, initial experiments are realized for interacting with nano scale surfaces. It is shown that fine

Sitti, Metin

302

Closure for milliliter scale bioreactor  

DOE Patents (OSTI)

A closure for a microreactor includes a cap that is configured to be inserted into a well of the microreactor. The cap, or at least a portion of the cap, is compliant so as to form a seal with the well when the cap is inserted. The cap includes an aperture that provides an airway between the inside of the well to the external environment when the cap is inserted into the well. A porous plug is inserted in the aperture, e.g., either directly or in tube that extends through the aperture. The porous plug permits gas within the well to pass through the aperture while preventing liquids from passing through to reduce evaporation and preventing microbes from passing through to provide a sterile environment. A one-way valve may also be used to help control the environment in the well.

Klein, David L. (Palo Alto, CA); Laidlaw, Robert D. (Albany, CA); Andronaco, Gregory (Palo Alto, CA); Boyer, Stephen G. (Moss Beach, CA)

2010-12-14T23:59:59.000Z

303

Scale-Free Thin Discs with an Isopedic Magnetic Field  

E-Print Network (OSTI)

Global stationary configurations of both aligned and logarithmic spiral MHD perturbations are constructed analytically within an axisymmetric background ofrazor-thin scale-free gas disc, which is embedded in an axisymmetric gravitational potential of a dark matter halo and involves an isopedic magnetic field almost vertically threaded through the disc plane. The scale-free index $\\beta$ of the disc rotation speed $v_{\\theta}\\propto R^{-\\beta}$ falls in the rangeof $(-1/2 , 1/2)$ where $R$ is the cylindrical radius. With the holding-back of a deep background dark matter halo potential, the isopedic magnetic field may be strong enough to allow for the magnetic tension force overtaking the disc self-gravity, which can significantly influence global stationary MHD perturbation configurations and stability properties of the scale-free disc system. Only for stationary logarithmic spiral MHD perturbations with a perturbation scale-free index $\\beta_1=1/4$ or for aligned stationary MHD perturbations, can the MHD disc maintain a constant radial flux of angularmomentum. The variable radial flux of angular momentum in the radial direction corresponds to a complex dispersion relation. The marginal instabilities foraxisymmetric MHD disturbances are also examined for a special case as an example. When the magnetic tension force overtakes the disc self-gravity, the scale-free disc can be completely stable against axisymmetric MHD disturbances of all wavelengths. We predict the possible existence of an isopedicallymagnetized gas disc system in rotation primarily confined by a massive dark matter halo potential.

Yue Wu; Yu-Qing Lou

2006-07-16T23:59:59.000Z

304

Methods of Conditioning Direct Methanol Fuel Cells  

NLE Websites -- All DOE Office Websites (Extended Search)

Methods of Conditioning Direct Methanol Fuel Cells Methods of Conditioning Direct Methanol Fuel Cells Methods of Conditioning Direct Methanol Fuel Cells Methods for conditioning the membrane electrode assembly of a direct methanol fuel cell ("DMFC") are disclosed. Available for thumbnail of Feynman Center (505) 665-9090 Email Methods of Conditioning Direct Methanol Fuel Cells Methods for conditioning the membrane electrode assembly of a direct methanol fuel cell ("DMFC") are disclosed. In a first method, an electrical current of polarity opposite to that used in a functioning direct methanol fuel cell is passed through the anode surface of the membrane electrode assembly. In a second method, methanol is supplied to an anode surface of the membrane electrode assembly, allowed to cross over the polymer

305

Directional lapped transforms for image coding  

E-Print Network (OSTI)

Abstract—In this paper, we present the design of directional lapped transforms for image coding. A lapped transform, which can be implemented by a prefilter followed by a discrete cosine transform (DCT), can be factorized into elementary operators. The corresponding directional lapped transform is generated by applying each elementary operator along a given direction. The proposed directional lapped transforms are not only nonredundant and perfectly reconstructed, but they can also provide a basis along an arbitrary direction. These properties, along with the advantages of lapped transforms, make the proposed transforms appealing for image coding. A block-based directional transform scheme is also presented and integrated into HD Phtoto, one of the state-of-the-art image coding systems, to verify the effectiveness of the proposed transforms. Index Terms—Directional transform, image coding, lapped transform.

Jizheng Xu; Feng Wu; Senior Member; Jie Liang; Wenjun Zhang

2008-01-01T23:59:59.000Z

306

Connecting the Molecular and the Continuum Scales  

NLE Websites -- All DOE Office Websites (Extended Search)

Connecting the Connecting the Molecular and the Continuum Scales Connecting the Molecular and the Continuum Scales Key Challenges: A molecular-scale understanding of structure and surface chemistry of clay mineral surface nanoparticles. Why it Matters: With a ubiquitous presence in natural materials and strong surface reactions, nanoparticles figure importantly in a broad range of phenomena, from climate change to contaminant remediation. Accomplishments: Used molecular dynamics (MD) simulations to determine molecular-scale diffusion coefficients of water tracers and representative cations (Na+,Cs+,Sr2+) in Smectite and found a simple way to accurately relate this to bulk, pore-scale diffusion. The result is that a remarkably simple expression relates Dinterlayer to the pore-scale

307

Large-Angular-Scale Anisotropy in the Cosmic Background Radiation  

DOE R&D Accomplishments (OSTI)

We report the results of an extended series of airborne measurements of large-angular-scale anisotropy in the 3 K cosmic background radiation. Observations were carried out with a dual-antenna microwave radiometer operating at 33 GHz (.089 cm wavelength) flown on board a U-2 aircraft to 20 km altitude. In eleven flights, between December 1976 and May 1978, the radiometer measured differential intensity between pairs of directions distributed over most of the northern hemisphere with an rms sensitivity of 47 mK Hz{sup 1?}. The measurements how clear evidence of anisotropy that is readily interpreted as due to the solar motion relative to the sources of the radiation. The anisotropy is well fit by a first order spherical harmonic of amplitude 360{+ or -}50km sec{sup -1} toward the direction 11.2{+ or -}0.5 hours of right ascension and 19 {+ or -}8 degrees declination. A simultaneous fit to a combined hypotheses of dipole and quadrupole angular distributions places a 1 mK limit on the amplitude of most components of quadrupole anisotropy with 90% confidence. Additional analysis places a 0.5 mK limit on uncorrelated fluctuations (sky-roughness) in the 3 K background on an angular scale of the antenna beam width, about 7 degrees.

Gorenstein, M. V.; Smoot, G. F.

1980-05-00T23:59:59.000Z

308

Armored scale insecticide resistance challenges San Joaquin Valley citrus growers  

E-Print Network (OSTI)

registered to control armored scale. As a result. outbreaksand carbamate-resistant armored scale in San Joaquin ValleyEE. 1994. Chlorpyrifos effect on armored scale (Homoptera:

Grafton-Cardwell, Elizabeth E.; Ouyang, Yuling; Striggow, Rebecka; Vehrs, Stacy

2001-01-01T23:59:59.000Z

309

Announcing the Argonne Training Program on Extreme-Scale Computing...  

NLE Websites -- All DOE Office Websites (Extended Search)

Announcing the Argonne Training Program on Extreme-Scale Computing Argonne Training Program on Extreme-Scale Computing Providing Extreme-Scale Supercomputing Training for...

310

The spatial scales, distribution, and intensity of natural marine hydrocarbon seeps near Coal Oil Point, California  

E-Print Network (OSTI)

The spatial scales, distribution, and intensity of natural marine hydrocarbon seeps near Coal Oil pollution sources. A field of strong hydrocarbon seepage offshore of Coal Oil Point near Santa Barbara in the Coal Oil Point field to measure directly the atmospheric gas flux from three seeps of varying size

California at Santa Barbara, University of

311

BATTERY AWARE TASK SCHEDULING FOR A SYSTEM-ON-A-CHIP USING VOLTAGE/CLOCK SCALING  

E-Print Network (OSTI)

BATTERY AWARE TASK SCHEDULING FOR A SYSTEM-ON-A-CHIP USING VOLTAGE/CLOCK SCALING Princey Chowdhury Engineering Tempe AZ 85287 ABSTRACT Battery lifetime is a critical parameter in the operation of mobile computing devices. The lifetime of such devices is directly dependent on the battery discharge profile

Chakrabarti, Chaitali

312

Time Scales and Variability of Area-Averaged Tropical Oceanic Rainfall  

Science Conference Proceedings (OSTI)

A statistical analysis of time series of area-averaged rainfall over the oceans has been conducted around the diurnal time scale. The results of our analysis can be applied directly to the problem of establishing the magnitude of expected errors ...

Kyung-Sup Shin; Gerald R. North; Yoo-Shin Ahn; Phillip A. Arkin

1990-07-01T23:59:59.000Z

313

3-D Micro-Scale Machining Implementation  

Science Conference Proceedings (OSTI)

The KCP investigated milling, turning, and wire EDMing features at a micro-scale using existing equipment to find the limitations and hindrances to producing future designs.

Boucher, Christopher L.

2008-10-20T23:59:59.000Z

314

Prospects for Atomic-Scale Tomography  

Science Conference Proceedings (OSTI)

Abstract Scope, Atomic-scale tomography (AST) may be defined as any technique that ... Initial Age Hardening and Nanostructural Evolution in a Cu-Ni-P Alloy.

315

Building Technologies Office: Speed and Scale  

NLE Websites -- All DOE Office Websites (Extended Search)

Presentations from Track B, Speed and Scale, were presented in the following sessions: Audit Procedures Business Models (Session 1) Communication and Outreach Community Evaluation...

316

Trends in Utility Scale Renewable Electricity  

U.S. Energy Information Administration (EIA)

U.S. Energy Information Administration Independent Statistics & Analysis www.eia.gov Trends in Utility Scale Renewable Electricity for ReTech 2012

317

SCALING OF THE SUPERFLUID DENSITY IN HIGH-TEMPERATURE SUPERCONDUCTORS.  

Science Conference Proceedings (OSTI)

A scaling relation N{sub c} {approx} 4.4{sigma}{sub dc}T{sub c} has been observed parallel and perpendicular to the copper-oxygen planes in the high-temperature superconductors; N{sub c} is the spectral weight and {sigma}{sub dc} is the dc conductivity just above the critical temperature T{sub c}. In addition, Nb and Pb also fall close to the this scaling line. The application of the Ferrell-Glover-Tinkham sum rule to the BCS optical properties of Nb above and below T{sub c} yields N{sub c} {approx} 8.1{sigma}{sub dc}T{sub c} when the normal-state scattering rate is much greater than the superconducting energy gap (1/{tau} > 2{Delta}, the ''dirty'' limit). This result implies that the high-temperature superconductors may be in the dirty limit. The superconductivity perpendicular to the planes is explained by the Josephson effect, which again yields N{sub c} {approx} 8.1{sigma}{sub dc}T{sub c} in the BCS formalism. The similar forms for the scaling relation in these two directions suggests that in some regime the dirty limit and the Josephson effect may be viewed as equivalent.

HOMES, C.C.

2005-10-24T23:59:59.000Z

318

Development of High Erosivity Well Scale Cleaning Tools  

DOE Green Energy (OSTI)

Build up of scale deposits on the walls of geothermal wells can occur rapidly due to the high dissolved solids content of geothermal fluids. Scale formation is a significant problem for both the well and for surface heat transfer equipment. Geothermal brines contain a wide variety if dissolved salts including carbonates, silicates, sulfates, and metal sulfides. One technology recently proposed for scale removal is the use of an ultrasonic device. In the present effort we apply cavitation in a more direct manner by the use of acoustically enhanced cavitating water jets which can be made to be much more efficient and aggressive than ultrasonic devices. Cavitating and self-resonating jet technologies have been proven to enhance the erosive power of liquid jets in a number of cutting, cleaning, and drilling applications. In this study we investigated two related technologies - one that employs cavitation and one that breaks the jet up into a series of slugs that produce water hammer type pressures upon impact. These technologies enable operation in both submerged and nonsubmerged conditions.

K. M. Kalumuck; G. L. Chahine; G. S. Frederick; P. D. Aley

1999-07-01T23:59:59.000Z

319

Definition: Direct current | Open Energy Information  

Open Energy Info (EERE)

Definition Definition Edit with form History Facebook icon Twitter icon » Definition: Direct current Jump to: navigation, search Dictionary.png Direct current A type of electricity transmission and distribution by which electricity flows in one direction through the conductor, usually relatively low voltage and high current (such as from a battery). To be used for typical 120 volt or 220 volt household appliances, DC must be converted to alternating current (AC).[1][2] View on Wikipedia Wikipedia Definition Direct current (DC) is the unidirectional flow of electric charge. Direct current is produced by sources such as batteries, thermocouples, solar cells, and commutator-type electric machines of the dynamo type. Direct current may flow in a conductor such as a wire, but can also flow

320

Transportation and Directions to Oak Ridge  

NLE Websites -- All DOE Office Websites (Extended Search)

Transportation and Directions to Oak Ridge Transportation and Directions to Oak Ridge Several major airlines have frequent daily flights to the nearby Knoxville McGee Tyson Airport (TYS). Travel from the airport to Oak Ridge takes about 30 minutes via rental car or taxi, available at the airport. ORNL has developed several maps of the area. Directions to the lab from various points of origin are below. Visitors will be issued temporary passes at the guard gate and will be directed to the visitor center. Instructions for "Entering ORNL" and a map to the visitor center may be helpful. Directions to the Oak Ridge National Laboratory From McGhee Tyson Airport (~25 mi.) Upon leaving the airport, follow the exit ramp as directed for "Knoxville". Merge onto US 129 North (Alcoa Highway). After aapproximately 3 mi. exit on

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

On the Locality and Scaling of Overlap Fermions at Coarse Lattice Spacings  

SciTech Connect

The overlap fermion offers the considerable advantage of exact chiral symmetry on the lattice, but is numerically intensive. This can be made affordable while still providing large lattice volumes, by using coarse lattice spacing, given that good scaling and localization properties are established. Here, using overlap fermions on quenched Iwasaki gauge configurations, we demonstrate directly that, with appropriate choice of negative Wilson's mass, the overlap Dirac operator's range is comfortably small in lattice units for each of the lattice spacings 0.20 fm, 0.17 fm, and 0.13 fm (and scales to zero in physical units in the continuum limit). In particular, our direct results contradict recent speculation that an inverse lattice spacing of 1 GeV is too low to have satisfactory localization. Furthermore, hadronic masses (available on the two coarser lattices) scale very well.

Terrence Draper; Nilmani Mathur; Jianbo Zhang; Andrei Alexandru; Ying Chen; Shao-Jing Dong; Ivan Horvath; Frank X. Lee; Keh-Fei Liu; Sonali Tamhankar

2006-11-07T23:59:59.000Z

322

Relating Pore-Scale Uranium Aquatic Speciation to Intermediate-Scale Aquifer Heterogeneity  

SciTech Connect

The speciation and transport of uranium (VI) through porous media is highly dependent on solution conditions, the presence of complexing ligands, and the nature of the porous media. The dependency on many variables makes prediction of U transport in bench-scale experiments and in the field difficult. In particular, the identification of colloidal U phases poses a technical challenge. Transport of U in the presence and absence of natural organic matter (Suwannee River humic acid, SRHA) through silica sand and hematite coated silica sand was tested at pH 4 and 5 using static columns, where flow is controlled by gravity and residence time between advective pore volume exchanges can be strictly controlled. The column effluents were characterized by traditional techniques including ICPMS quantification of total [U] and [Fe], TOC analysis of [DOC], and pH analysis, and also by non-traditional techniques: flow field flow fractionation with online ICPMS detection (FlFFF-ICPMS) and specific UV absorbance (SUVA) characterization of effluent fractions. Key results include that the transport of U through the columns was enhanced by pre-equilibration with SRHA, and previously deposited U was remobilized by the addition of SRHA. The advanced techniques yielded important insights on the mechanisms of transport: FlFFF-ICPMS identified a U?SRHA complex as the mobile U species and directly quantified relative amounts of the complex, while specific UV absorbance (SUVA) measurements indicated a composition-based fractionation onto the porous media.

Ranville, James

2013-04-01T23:59:59.000Z

323

Methods of Conditioning Direct Methanol Fuel Cells  

while the catalyst on the anode surface is reduced. Surface oxides on the direct methanol fuel cell anode catalyst of the membrane electrode assembly are thereby reduced.

324

Direct Conversion of Biomass into Transportation Fuels  

Direct Conversion of Biomass into Transportation Fuels . Return to Marketing Summary. Skip footer navigation to end of page. Contacts | Web Site Policies | U.S ...

325

Ionization based multi-directional flow sensor  

SciTech Connect

A method, system, and apparatus for conducting real-time monitoring of flow (airflow for example) in a system (a hybrid power generation system for example) is disclosed. The method, system and apparatus measure at least flow direction and velocity with minimal pressure drop and fast response. The apparatus comprises an ion source and a multi-directional collection device proximate the ion source. The ion source is configured to generate charged species (electrons and ions for example). The multi-directional collection source is configured to determine the direction and velocity of the flow in real-time.

Chorpening, Benjamin T. (Morgantown, WV); Casleton, Kent H. (Morgantown, WV)

2009-04-28T23:59:59.000Z

326

DoD Directive 5200.28  

Science Conference Proceedings (OSTI)

... 2.6. This Directive and DCID No. 1/16 (reference (g)) apply to AISs processing foreign intelligence and/or counterintelligence information. 2.7. ...

2007-09-19T23:59:59.000Z

327

Definition: Direct normal irradiance | Open Energy Information  

Open Energy Info (EERE)

Jump to: navigation, search Dictionary.png Direct normal irradiance the amount of solar radiation received per unit area by a surface perpendicular (normal) to the rays...

328

Enforcement Regulations and Directives - Security | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Security Enforcement Regulations and Directives - Security Classified Information Security 10 C.F.R Part 824 - Procedural Rules for the Assessment of Civil Penalties for Classified...

329

Coal Direct Chemical Looping (CDCL) Process Development  

NLE Websites -- All DOE Office Websites (Extended Search)

Coal Direct Chemical Looping (CDCL) Retrofit to Pulverized Coal Power Plants for In-Situ CO 2 Capture William G. Lowrie Department of Chemical & Biomolecular Engineering The Ohio...

330

Direct Methanol Fuel Cells - Energy Innovation Portal  

Our partners gain access to one of the most advanced and experienced direct methanol fuel cell ... The cured film is then transferred to the SPE ...

331

Laser Direct-Write Microfabrication and Patterning.  

E-Print Network (OSTI)

??The ability to generate small structures is central to modern science and technology. In this work, four laser direct-write microfabrication and micropatterning techniques were studied:… (more)

Yuan, Dajun

2008-01-01T23:59:59.000Z

332

Laboratory Directed Research and Development Program  

Submit completed application (Word doc) to innovation@lbl.gov by October 15, 2013. August 20, 2013. Title: Laboratory Directed Research and Development Program Author:

333

Bi-Directional Fast Charging Study Report  

NLE Websites -- All DOE Office Websites (Extended Search)

and software infrastructure needed to demonstrate the possibility of utilizing battery power in plug-in hybrid electric vehicles and electric vehicles with a bi-directional...

334

Status & Direction for Onboard Hydrogen Storage  

NLE Websites -- All DOE Office Websites (Extended Search)

Economy Manufacturing for the Hydrogen Economy Status & Direction for Onboard Hydrogen Storage Andy Abele Quantum Fuel Systems Technologies Worldwide, Inc. July 2005 This...

335

Direct Discharge Permit (Vermont) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Discharge Permit (Vermont) Direct Discharge Permit (Vermont) Eligibility Utility Agricultural Investor-Owned Utility Industrial MunicipalPublic Utility Rural Electric Cooperative...

336

Linearized Alternating Direction Method with Gaussian Back ...  

E-Print Network (OSTI)

Oct 28, 2011 ... [14] M. Fukushima, Application of the alternating direction method of ... [15] M. Fukushima, The primal Douglas-Rachford splitting algorithm for a ...

337

[an error occurred while processing this directive  

Science Conference Proceedings (OSTI)

[an error occurred while processing this directive] ... Thus, many systems administrators do not regularly update non ... works well but it does not protect ...

338

[an error occurred while processing this directive  

Science Conference Proceedings (OSTI)

[an error occurred while processing this directive] These are ... of commercial products within NIST web pages is for information only; it does not imply ...

339

Metallurgical Silicon Refining by Transient Directional Solidification  

Science Conference Proceedings (OSTI)

Abstract Scope, Directional solidification is an essential refining step to obtain solar ... The chemical analyses of the ingots show macrosegregation of several ...

340

Coal Direct Chemical Looping (CDCL) Process Development  

NLE Websites -- All DOE Office Websites (Extended Search)

increase in cost of electricity Future work * Test other fuels such as woody biomass and corn stover * Work closely with B&W to scale-up to pilot plant (3 MW th ) Accomplishments...

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Direct Simulation of Internal Wave Energy Transfer  

Science Conference Proceedings (OSTI)

A three-dimensional nonhydrostatic numerical model is used to calculate nonlinear energy transfers within decaying Garrett–Munk internal wavefields. Inviscid wave interactions are calculated over horizontal scales from about 1 to 80 km and for ...

Kraig B. Winters; Eric A. D’Asaro

1997-09-01T23:59:59.000Z

342

Time-Off Awards Scale | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Time-Off Awards Scale Time-Off Awards Scale This chart is the departmental recommended time-off award scale and should be used unless another time-off award scale has been adopted...

343

Enhancements in SCALE 6.1  

SciTech Connect

The SCALE code system developed at Oak Ridge National Laboratory provides a comprehensive, verified and validated, user-friendly tool set for criticality safety, reactor physics, radiation shielding, and sensitivity and uncertainty analysis. For more than 30 years, regulators, licensees, and research institutions around the world have used SCALE for nuclear safety analysis and design. SCALE provides a 'plug-and-play' framework with 89 computational modules, including three deterministic and three Monte Carlo radiation transport solvers that are selected based on the desired solution. SCALE's graphical user interfaces assist with accurate system modeling, visualization, and convenient access to desired results. SCALE 6.1 builds on the existing capabilities and ease-of-use of SCALE and provides several new features such as enhanced lattice physics capabilities and multigroup Monte Carlo depletion, improved options and capabilities for sensitivity and uncertainty analysis calculations, improved flexibility in shielding and criticality accident alarm system calculations with automated variance reduction, and new options for the definition of group structures for depletion calculations. The SCALE 6.1 development team has focused on improved robustness via substantial additional regression testing and verification for new and existing features, providing improved performance relative to SCALE 6.0, especially in reactor physics calculations and in the nuclear data used for source term characterization and shielding calculations.

Rearden, Bradley T [ORNL; Petrie Jr, Lester M [ORNL; Peplow, Douglas E. [ORNL; Jessee, Matthew Anderson [ORNL; Wiarda, Dorothea [ORNL; Williams, Mark L [ORNL; Lefebvre, Robert A [ORNL; Lefebvre, Jordan P [ORNL; Gauld, Ian C [ORNL; Goluoglu, Sedat [ORNL

2012-01-01T23:59:59.000Z

344

February 2002 Grid Scale Oscillations in MICOM  

E-Print Network (OSTI)

are the implications of the grid scale oscillation on ­ Surface Fluxes that drive THC ­ Heat transport ­ MeridionalFebruary 2002 Grid Scale Oscillations in MICOM Balasubramanya T. Nadiga Los Alamos National Model · 3o displaced pole grid. 16 layers · Kraus-Turner Bulk Mixed Layer · Explicit diapycnal

Nadiga, Balasubramanya T. "Balu"

345

Multifractal scaling behavior analysis for existing dams  

Science Conference Proceedings (OSTI)

The fractal theory was used to describe long term behavior of dam structures by means of determining (mono-) fractal exponents. Many records do not exhibit a simple monofractal scaling behavior, which can be accounted for by a single scaling exponent. ... Keywords: Dam, Long term behavior, Multifractal detrended fluctuation analysis, Observation time series

Huaizhi Su, Zhiping Wen, Feng Wang, Bowen Wei, Jiang Hu

2013-09-01T23:59:59.000Z

346

OVERVIEW OF SCALE 6.2  

Science Conference Proceedings (OSTI)

SCALE is an industry-leading suite of tools for nuclear systems modeling and simulation that provides comprehensive, verified and validated, user-friendly capabilities for criticality safety, reactor physics, radiation shielding, and sensitivity and uncertainty analysis. For more than 30 years, regulators, licensees, and research institutions around the world have used SCALE for nuclear safety analysis and design. SCALE provides a plug-and-play framework that includes three deterministic and three Monte Carlo radiation transport solvers that are selected based on the desired solution. SCALE includes the latest nuclear data libraries for continuous-energy and multigroup radiation transport as well as activation, depletion, and decay calculations. SCALE s graphical user interfaces assist with accurate system modeling, visualization, and convenient access to desired results. SCALE 6.2 provides several new capabilities and significant improvements in many existing features, especially with expanded CE Monte Carlo capabilities for criticality safety, shielding, depletion, and sensitivity and uncertainty analysis. A brief overview of SCALE capabilities is provided with emphasis on new features for SCALE 6.2.

Rearden, Bradley T [ORNL; Dunn, Michael E [ORNL; Wiarda, Dorothea [ORNL; Celik, Cihangir [ORNL; Bekar, Kursat B [ORNL; Williams, Mark L [ORNL; Peplow, Douglas E. [ORNL; Perfetti, Christopher M [ORNL; Gauld, Ian C [ORNL; Wieselquist, William A [ORNL; Lefebvre, Jordan P [ORNL; Lefebvre, Robert A [ORNL; Havluj, Frantisek [Nuclear Research Institute, Rez, Czech Republic; Skutnik, Steven [The University of Tennessee; Dugan, Kevin [Texas A& M University

2013-01-01T23:59:59.000Z

347

Scale cross-ambiguity and target resolution  

Science Conference Proceedings (OSTI)

We derive the correct formulation of the Doppler problem in which the received signal is scaled in time by a scale factor dependent on the relative radial velocity of the transmitter and the receiver, normalized by the propagation speed in the transmission ... Keywords: Cross-ambiguity function, Cross-correlation, Doppler, Geolocation

Douglas J. Nelson; David C. Smith

2009-03-01T23:59:59.000Z

348

Broken Scale Invariance and Anomalous Dimensions  

DOE R&D Accomplishments (OSTI)

Mack and Kastrup have proposed that broken scale invariance is a symmetry of strong interactions. There is evidence from the Thirring model and perturbation theory that the dimensions of fields defined by scale transformations will be changed by the interaction from their canonical values. We review these ideas and their consequences for strong interactions.

Wilson, K. G.

1970-05-00T23:59:59.000Z

349

Spectral Scaling in a Tidal Boundary Layer  

Science Conference Proceedings (OSTI)

The simple scaling of a tidal bottom boundary layer by the shear velocity, u*, and the wall to the wall describes well the mean Bow field. To test the full extent of this scaling measurements were made of the turbulence spectra in a natural tidal ...

Thomas F. Gross; Arthur R. M. Nowell

1985-05-01T23:59:59.000Z

350

Scale Model Turbine Missile Casing Impact Tests  

Science Conference Proceedings (OSTI)

This report describes three 1/5-scale-model turbine missile impact experiments performed to provide benchmark data for assessing turbine missiles effects in nuclear plant design. The development of an explosive launcher to accelerate the turbine missile models to the desired impact velocities is described. A comparison of the test results with those from full-scale experiments demonstrates scalability.

1982-12-01T23:59:59.000Z

351

Mutual information aspects of scale space images  

Science Conference Proceedings (OSTI)

In image registration, mutual information is a well-performing measure based on principles of uncertainty. Similarly, in image analysis the Gaussian scale space, based on minimal assumptions of the image, is used to derive intrinsic properties of an ... Keywords: Entropy, Image analysis, Image structure, Multiresolution, Mutual information, Registration, Scale space

A. Kuijper

2004-12-01T23:59:59.000Z

352

Rainbow gravity and scale-invariant fluctuations  

E-Print Network (OSTI)

We re-examine a recently proposed scenario where the deformed dispersion relations associated with a flow of the spectral dimension to a UV value of 2 leads to a scale-invariant spectrum of cosmological fluctuations, without the need for inflation. In that scenario Einstein gravity was assumed. The theory displays a wavelength-dependent speed of light but by transforming to a suitable "rainbow frame" this feature can be removed, at the expense of modifying gravity. We find that the ensuing rainbow gravity theory is such that gravity switches off at high energy (or at least leads to a universal conformal coupling). This explains why the fluctuations are scale-invariant on all scales: there is no horizon scale as such. For dispersion relations that do not lead to exact scale invariance we find instead esoteric inflation in the rainbow frame. We argue that these results shed light on the behaviour of gravity under the phenomenon of dimensional reduction.

Giovanni Amelino-Camelia; Michele Arzano; Giulia Gubitosi; Joao Magueijo

2013-07-02T23:59:59.000Z

353

Comparative Diagnosis of Blocking Versus Nonblocking Planetary-Scale Circulation Changes during Synoptic-Scale Cyclogenesis  

Science Conference Proceedings (OSTI)

A 17-day period during November 1980 is investigated to obtain insight into differing large-scale 500 mb circulation changes during three consecutive synoptic-scale cyclone “events” Each event is defined by at least one rapidly intensifying ...

Stephen J. Colucci

1987-01-01T23:59:59.000Z

354

Space directed coils for biological objectives  

Science Conference Proceedings (OSTI)

There are given different constructions of electromagnetic coils for using in biomedicine. There are developed constructions of space directed coils for increasing and decreasing the growth of cells in biology and medicine. Keywords: biological objectives, coils, decreasing, growth, increasing, space-directed

V. I. Vlastopulo

2010-07-01T23:59:59.000Z

355

DIRECTING THE MOVEMENT OF FISH WITH ELECTRICITY  

E-Print Network (OSTI)

DIRECTING THE MOVEMENT OF FISH WITH ELECTRICITY Marine Biological Laboratory APR 21 1953 WOODS HOLE, Albert M. Day, Director DIRECTING THE MOVH-IENT OF FISH WITH ELECTRICITY by Alberton L. McLain Fishery of an electrical leading device 21 Literature cited. ..,...,..,..........·· 2k ILLUSTRATIONS Figure Page 1. Diagram

356

Direct Power and Water Corporation | Open Energy Information  

Open Energy Info (EERE)

Power and Water Corporation Power and Water Corporation Jump to: navigation, search Name Direct Power and Water Corporation Place Albuquerque, New Mexico Zip 87107 Product DP&W is specialised in engineering, designing and installing turnkey photovoltaic systems. Coordinates 35.08418°, -106.648639° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":35.08418,"lon":-106.648639,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

357

Scaling Behavior of the First Arrival Time of a Random-Walking Magnetic Domain  

SciTech Connect

We report a universal scaling behavior of the first arrival time of a traveling magnetic domain wall into a finite space-time observation window of a magneto-optical microscope enabling direct visualization of a Barkhausen avalanche in real time. The first arrival time of the traveling magnetic domain wall exhibits a nontrivial fluctuation and its statistical distribution is described by universal power-law scaling with scaling exponents of 1.34 {+-} 0.07 for CoCr and CoCrPt films, despite their quite different domain evolution patterns. Numerical simulation of the first arrival time with an assumption that the magnetic domain wall traveled as a random walker well matches our experimentally observed scaling behavior, providing an experimental support for the random-walking model of traveling magnetic domain walls.

Im, M.-Y.; Lee, S.-H.; Kim, D.-H.; Fischer, P.; Shin, S.-C.

2008-02-04T23:59:59.000Z

358

DOE - Office of Legacy Management -- Directions  

Office of Legacy Management (LM)

Ohio > Fernald > Visitors Center > Directions Ohio > Fernald > Visitors Center > Directions Fernald Preserve Directions Fernald Preserve Directions Fernald Preserve Home Page Visitors Center Directions Event Calendar Community Meeting Room Guided Tour Educational Field Trip Speaker Request Brochures Fact Sheets Presentations BioBlitz Geocaching Pets Policy Fernald Preserve Coordinates NAD83 State Plane Ohio South Easting 1350546 Northing 476599 Latitude 39.288048 N Longitude 84.683540 W Latitude 39 17' 16.974" N Longitude 84 41' 0.746" W Fernald Preserve Addresses Site: 7400 Willey Road Harrison, OH 45013 Mailing: U.S. Department of Energy 10995 Hamilton-Cleves Hwy. Harrison, OH 45030 U.S. Department of Energy Contractor S.M. Stoller Corporation 10995 Hamilton-Cleves Hwy. Harrison, OH 45030

359

ARM - PI Product - Direct Aerosol Forcing Uncertainty  

NLE Websites -- All DOE Office Websites (Extended Search)

ProductsDirect Aerosol Forcing Uncertainty ProductsDirect Aerosol Forcing Uncertainty Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send PI Product : Direct Aerosol Forcing Uncertainty Site(s) NSA SGP TWP General Description Understanding sources of uncertainty in aerosol direct radiative forcing (DRF), the difference in a given radiative flux component with and without aerosol, is essential to quantifying changes in Earth's radiation budget. We examine the uncertainty in DRF due to measurement uncertainty in the quantities on which it depends: aerosol optical depth, single scattering albedo, asymmetry parameter, solar geometry, and surface albedo. Direct radiative forcing at the top of the atmosphere and at the surface as well as sensitivities, the changes in DRF in response to unit changes in

360

On scale and magnitude of pressure build-up induced by large-scale geologic storage of CO2  

SciTech Connect

The scale and magnitude of pressure perturbation and brine migration induced by geologic carbon sequestration is discussed assuming a full-scale deployment scenario in which enough CO{sub 2} is captured and stored to make relevant contributions to global climate change mitigation. In this scenario, the volumetric rates and cumulative volumes of CO{sub 2} injection would be comparable to or higher than those related to existing deep-subsurface injection and extraction activities, such as oil production. Large-scale pressure build-up in response to the injection may limit the dynamic storage capacity of suitable formations, because over-pressurization may fracture the caprock, may drive CO{sub 2}/brine leakage through localized pathways, and may cause induced seismicity. On the other hand, laterally extensive sedimentary basins may be less affected by such limitations because (i) local pressure effects are moderated by pressure propagation and brine displacement into regions far away from the CO{sub 2} storage domain; and (ii) diffuse and/or localized brine migration into overlying and underlying formations allows for pressure bleed-off in the vertical direction. A quick analytical estimate of the extent of pressure build-up induced by industrial-scale CO{sub 2} storage projects is presented. Also discussed are pressure perturbation and attenuation effects simulated for two representative sedimentary basins in the USA: the laterally extensive Illinois Basin and the partially compartmentalized southern San Joaquin Basin in California. These studies show that the limiting effect of pressure build-up on dynamic storage capacity is not as significant as suggested by Ehlig-Economides and Economides, who considered closed systems without any attenuation effects.

Zhou, Q.; Birkholzer, J. T.

2011-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Silica scaling in simulated geothermal brines  

DOE Green Energy (OSTI)

A 6.3 1/sec (100 GPM) titanium corrosion test loop was modified to provide a dynamic facility for studying the formation of silica deposits, their properties and fates, as a function of brine composition, temperature, and flow conditions. Scale formation was studied in a segmented heat exchanger operating under realistic conditions; the segmented design permitted examination of scale formations in five temperature regimes. The program was terminated after minimal exploratory operation because of reduced sponsor perceptions of the need for concern with scaling problems. The runs which were completed dealt cursorily with brine concentration and pH effects. Results are presented.

Bohlmann, E.G.; Shor, A.J.; Berlinski, P.; Mesmer, R.E.

1981-04-01T23:59:59.000Z

362

Statutes, Regulations, and Directives for Classification Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Classification » Statutes, Regulations, and Directives Classification » Statutes, Regulations, and Directives for Classification Program Statutes, Regulations, and Directives for Classification Program Classification Atomic Energy Act of 1954 - Establishes Government-wide policies for classifying, safeguarding, and declassifying Restricted Data information. 10 CFR Part 1045, Nuclear Classification and Declassification - Establishes the Government-wide policies and procedures for implementing sections 141 and 142 of the Atomic Energy Act of 1954 for classifying and declassifying RD and FRD and implements those requirements of Executive Order 12958 concerning NSI that affect the public. Executive Order 13526, Classified National Security Information - Prescribes the Government-wide system for classifying, safeguarding, and

363

Direct Use of Solar Photovoltaic (PV) Energy  

Science Conference Proceedings (OSTI)

PV-DC refers to the direct use of photovoltaic (PV) energy in an appliance or other equipment without a grid connection. Most (over 90) of the new deployments of PV solar panels connect to the ac electric grid and do not use dc energy directly. These grid-connected PV systems use an electronic inverter to convert the dc array output to ac power for interfacing with the grid. However, with double-digit growth in all types of PV applications, the direct use of solar for powering end-use loads needs to be m...

2010-12-31T23:59:59.000Z

364

High-temperature directional drilling turbodrill  

DOE Green Energy (OSTI)

The development of a high-temperature turbodrill for directional drilling of geothermal wells in hard formations is summarized. The turbodrill may be used for straight-hole drilling but was especially designed for directional drilling. The turbodrill was tested on a dynamometer stand, evaluated in laboratory drilling into ambient temperature granite blocks, and used in the field to directionally drill a 12-1/4-in.-diam geothermal well in hot 200/sup 0/C (400/sup 0/F) granite at depths to 10,5000 ft.

Neudecker, J.W.; Rowley, J.C.

1982-02-01T23:59:59.000Z

365

Cross-flow Ultrafiltration Scaling Considerations  

Science Conference Proceedings (OSTI)

One legacy of the nuclear age is radioactive waste and it must be stabilized to be stored in a safe manner. An important part of the stabilization process is the separation of radioactive solids from the liquid wastes by cross-flow ultrafiltration. The performance of this technology with the wastes to be treated was unknown and, therefore, had to be obtained. However, before beginning a filter study the question of experimental scale had to be addressed. Of course, carrying out experiments using full-size equipment is always ideal, but rarely practical when dealing with plant size processes. Flow loops that will handle millions of liters of slurries, which are either highly caustic or acidic, with flow rates of 10,000 lpm make full-scale tests prohibitively expensive. Moreover, when the slurries happen to be radioactive such work is also very dangerous. All of these considerations lend themselves to investigations at smaller scales and in many situations can be treated with computational analyses. Unfortunately, as scale is reduced it becomes harder to provide prototypic results and the two and three phase multi-component mixtures challenge accurate computational results. To obtain accurate and representative filter results the use of two scales were chosen: (1) Small-scale--would allow the testing with actual radioactive waste samples and compare results with simulated wastes that were not radioactive. For this scale the feed tank held 6 liters of waste and it had a single cross-flow filter tube 0.61 m long. (2) Pilot-scale--would be restricted to use simulated non-radioactive wastes. At this larger scale the feed tank held 120 liters of waste and the filter unit was prototypic to the planned plant facility in pore size (0.1 micron), length (2.29 m), diameter (0.0127 m inside and 0.0159 m outside diameter), and being multi-tubed. The small-scale apparatus is convenient, easy to use, and can test both radioactive and non-radioactive wastes; therefore, there is a larger database than at the pilot scale. In fact, the small-scale data are very useful to compare actual waste to simulated waste filter performance to validate a simulant, but data availability does not mean they accurately represent full-scale performance. Results indicate that small-scale filter fluxes to be significantly higher that those at the pilot scale. In an attempt to study the difference in filter performance at the two scales an experiment was done that used exactly the same simultant which was created at the same time so that issues of composition and aging would not compromise the results. This paper will discuss those experimental results, as well as those from a computational fluid dynamics model to better understand the small-scale limitations.

Duignan, M

2006-04-10T23:59:59.000Z

366

Subtask 3.9 - Direct Coal Liquefaction Process Development  

Science Conference Proceedings (OSTI)

The Energy and Environmental Research Center (EERC), in partnership with the U.S. Department of Energy (DOE) and Accelergy Corporation, an advanced fuels developer with technologies exclusively licensed from ExxonMobil, undertook Subtask 3.9 to design, build, and preliminarily operate a bench-scale direct coal liquefaction (DCL) system capable of converting 45 pounds/hour of pulverized, dried coal to a liquid suitable for upgrading to fuels and/or chemicals. Fabrication and installation of the DCL system and an accompanying distillation system for off-line fractionation of raw coal liquids into 1) a naphtha?middle distillate stream for upgrading and 2) a recycle stream was completed in May 2012. Shakedown of the system was initiated in July 2012. In addition to completing fabrication of the DCL system, the project also produced a 500-milliliter sample of jet fuel derived in part from direct liquefaction of Illinois No. 6 coal, and submitted the sample to the Air Force Research Laboratory (AFRL) at Wright? Patterson Air Force Base, Dayton, Ohio, for evaluation. The sample was confirmed by AFRL to be in compliance with all U.S. Air Force-prescribed alternative aviation fuel initial screening criteria.

Aulich, Ted; Sharma, Ramesh

2012-07-01T23:59:59.000Z

367

Direct containment heating models in the CONTAIN code  

SciTech Connect

The potential exists in a nuclear reactor core melt severe accident for molten core debris to be dispersed under high pressure into the containment building. If this occurs, the set of phenomena that result in the transfer of energy to the containment atmosphere and its surroundings is referred to as direct containment heating (DCH). Because of the potential for DCH to lead to early containment failure, the U.S. Nuclear Regulatory Commission (USNRC) has sponsored an extensive research program consisting of experimental, analytical, and risk integration components. An important element of the analytical research has been the development and assessment of direct containment heating models in the CONTAIN code. This report documents the DCH models in the CONTAIN code. DCH models in CONTAIN for representing debris transport, trapping, chemical reactions, and heat transfer from debris to the containment atmosphere and surroundings are described. The descriptions include the governing equations and input instructions in CONTAIN unique to performing DCH calculations. Modifications made to the combustion models in CONTAIN for representing the combustion of DCH-produced and pre-existing hydrogen under DCH conditions are also described. Input table options for representing the discharge of debris from the RPV and the entrainment phase of the DCH process are also described. A sample calculation is presented to demonstrate the functionality of the models. The results show that reasonable behavior is obtained when the models are used to predict the sixth Zion geometry integral effects test at 1/10th scale.

Washington, K.E.; Williams, D.C.

1995-08-01T23:59:59.000Z

368

Methanol-Tolerant Cathode Catalyst Composite For Direct Methanol...  

NLE Websites -- All DOE Office Websites (Extended Search)

Methanol-Tolerant Cathode Catalyst Composite For Direct Methanol Fuel Cells Methanol-Tolerant Cathode Catalyst Composite For Direct Methanol Fuel Cells A direct methanol fuel cell...

369

ELSEVIER Earth and Planetary Science Letters 126 (1994) 143-159 Plate-scale potential-energy distributions and the fragmentation  

E-Print Network (OSTI)

field can be directly related to the plate-scale potential-energy distribution. Follow- ing Dahlen [8ELSEVIER Earth and Planetary Science Letters 126 (1994) 143-159 EPSL Plate-scale potential-energy distributions and the fragmentation of ageing plates Mike Sandiford a, David Coblentz b aDepartmentof Geology

Sandiford, Mike

370

Brandeis University Federal Direct Stafford Loan  

E-Print Network (OSTI)

Brandeis University Federal Direct Stafford Loan Request Form 2012/2013 Student Information Student that this is not a promissory note, but rather a request to have my eligibility for Stafford Loans determined by Brandeis

Snider, Barry B.

371

Geothermal direct use engineering and design guidebook  

DOE Green Energy (OSTI)

The Geothermal Direct Use Engineering and Design Guidebook is designed to be a comprehensive, thoroughly practical reference guide for engineers and designers of direct heat projects. These projects could include the conversion of geothermal energy into space heating and cooling of buildings, district heating, greenhouse heating, aquaculture and industrial processing. The Guidebook is directed at understanding the nature of geothermal resources and the exploration of the resources, fluid sampling techniques, drilling, and completion of geothermal wells through well testing, and reservoir evaluation. It presents information useful to engineers on the specification of equipment including well pumps, piping, heat exchangers, space heating equipment, heat pumps and absorption refrigeration. A compilation of current information about greenhouse aquaculture and industrial applications is included together with a discussion of engineering cost analysis, regulation requirements, and environmental consideration. The purpose of the Guidebook is to provide an integrated view for the development of direct use projects for which there is a very large potential in the United States.

Lienau, P.J.; Lunis, B.C. (eds.)

1991-01-01T23:59:59.000Z

372

Geothermal direct use engineering and design guidebook  

DOE Green Energy (OSTI)

The Geothermal Direct Use Engineering and Design Guidebook is designed to be a comprehensive, thoroughly practical reference guide for engineers and designers of direct heat projects. These projects could include the conversion of geothermal energy into space heating cooling of buildings, district heating, greenhouse heating, aquaculture and industrial processing. The Guidebook is directed at understanding the nature of geothermal resources and the exploration of these resources, fluid sampling techniques, drilling, and completion of geothermal wells through well testing, and reservoir evaluation. It presents information useful to engineers on the specification of equipment including well pumps, piping, heat exchangers, space heating equipment, heat pumps and absorption refrigeration. A compilation of current information about greenhouse, aquaculture and industrial applications is included together with a discussion of engineering cost analysis, regulation requirements, and environmental considerations. The purpose of the Guidebook is to provide an integrated view for the development of direct use projects for which there is a very potential in the United States.

Bloomquist, R.G.; Culver, G.; Ellis, P.F.; Higbee, C.; Kindle, C.; Lienau, P.J.; Lunis, B.C.; Rafferty, K.; Stiger, S.; Wright, P.M.

1989-03-01T23:59:59.000Z

373

Laboratory Directed Research & Development (LDRD) Day  

NLE Websites -- All DOE Office Websites (Extended Search)

Programs » Programs » Laboratory Directed Research & Development » Laboratory Directed R&D Day Laboratory Directed Research and Development Day National security depends on science and technology. The United States relies on Los Alamos National Laboratory for the best of both. No place on Earth pursues a broader array of world-class scientific endeavors. Contact Andrea Maestas LDRD Program (505) 667-1230 Email LDRD Day 2012 Learn how LDRD innovations benefit our nation Los Alamos National Laboratory hosted its fourth annual Laboratory Directed Research and Development (LDRD) Day on October 23, 2012, at Buffalo Thunder in Pojoaque, New Mexico. More than 30 scientists and engineers from the Lab presented posters about their LDRD projects, answering questions and

374

Directional distributional similarity for lexical inference  

Science Conference Proceedings (OSTI)

Distributional word similarity is most commonly perceived as a symmetric relation. Yet, directional relations are abundant in lexical semantics and in many Natural Language Processing (NLP) settings that require lexical inference, making symmetric similarity ...

Lili Kotlerman; Ido Dagan; Idan Szpektor; Maayan Zhitomirsky-geffet

2010-10-01T23:59:59.000Z

375

Worldwide Measurements of Directional Wave Spreading  

Science Conference Proceedings (OSTI)

The directional spreading of waves is important for both theoretical and practical reasons. Enough measurements have now been made to draw conclusions about the behavior of wave spreading at sites in different climatic regimes. The measurements ...

George Z. Forristall; Kevin C. Ewans

1998-04-01T23:59:59.000Z

376

Direct-Use of Geothermal Technologies  

Energy.gov (U.S. Department of Energy (DOE))

Hot water near the surface of the Earth can be used for heat for a variety of commercial and industrial uses. Direct-use applications include heating buildings, growing plants in greenhouses,...

377

High Directive Antenna with Virtual Aperture  

E-Print Network (OSTI)

In this article, we propose a spherical shell-core structure which is able to achieve arbitrarily large directivity. The structure is obtained from coordinate transformation. A small antenna can be projected to free space ...

Zhang, Baile

378

On Thermally Direct Circulations in Moist Atmospheres  

Science Conference Proceedings (OSTI)

An expression is derived for the critical horizontal gradient of subcloud-layer ?e in radiative-convective equilibrium, sufficient for the onset of thermally direct, zonally symmetric circulations. This corresponds to zero absolute vorticity at ...

Kerry A. Emanuel

1995-05-01T23:59:59.000Z

379

SLAC National Accelerator Laboratory - Maps and Directions  

NLE Websites -- All DOE Office Websites (Extended Search)

Maps & Directions The SLAC campus is located on 426 acres of Stanford University property, just three miles west of the university campus. The main entrance to the facilitiy is on...

380

Direct Energy, LP | Open Energy Information  

Open Energy Info (EERE)

Direct Energy, LP Place Texas Utility Id 15871 Utility Location Yes Ownership R NERC ERCOT Yes Activity Retail Marketing Yes References EIA Form EIA-861 Final Data File for 2010 -...

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Reference book on geothermal direct use  

DOE Green Energy (OSTI)

This report presents the direct uses of geothermal energy in the United States. Topics discussed include: low-temperature geothermal energy resources; energy reserves; geothermal heat pumps; geothermal energy for residential buildings; and geothermal energy for industrial usage.

Lienau, P.J.; Lund, J.W.; Rafferty, K.; Culver, G.

1994-08-01T23:59:59.000Z

382

A Multiple Direction Radiation Sensor, DIRAM  

Science Conference Proceedings (OSTI)

The Directional Radiance Distribution Measurement (DIRAM) device was designed and built to determine the angular distribution of shortwave radiance as a function of height in cloudy and clear-sky conditions at various surface albedos. The ...

J. C. H. van der Hage; H. van Dop; A. Los; W. Boot; D. van As

2001-12-01T23:59:59.000Z

383

Facility Representative Program: Program Directives and Guidance  

NLE Websites -- All DOE Office Websites (Extended Search)

Facility Representative of the Year Award FR Program Assessment Guide (Appendix B, DOE STD 1063-2011) Program Directives and Guidance FR Program Standard, DOE STD 1063-2011,...

384

Direct Diagnoses of Stratosphere–Troposphere Exchange  

Science Conference Proceedings (OSTI)

This study discusses the direct diagnosis of stratosphere–troposphere exchange. The method introduced by Wei is applied to the Goddard Earth Observation System assimilated dataset. In many respects, the results generally agree with those of other ...

Andrew Gettelman; Adam H. Sobel

2000-01-01T23:59:59.000Z

385

Direct Atmospheric Forcing of Geostrophic Eddies  

Science Conference Proceedings (OSTI)

To assess the role of direct stochastic wind forcing in generating oceanic geostrophic eddies we calculate analytically the response of a simple ocean model to a realistic model wind-stress spectrum and compare the results with observations. The ...

Peter Müller; Claude Frankignoul

1981-03-01T23:59:59.000Z

386

Direct Imaging of Antiferromagnetic Vortex States  

NLE Websites -- All DOE Office Websites (Extended Search)

unique properties for the AFM vortex state. Recently, a research team from Berkeley, Korea, and China has taken the first direct image of an AFM vortex in multilayered magnetic...

387

Indirect and Semi-direct Aerosol Campaign  

Science Conference Proceedings (OSTI)

A comprehensive dataset of microphysical and radiative properties of aerosols and clouds in the boundary layer in the vicinity of Barrow, Alaska, was collected in April 2008 during the Indirect and Semi-Direct Aerosol Campaign (ISDAC). ISDAC's ...

Greg M. McFarquhar; Steven Ghan; Johannes Verlinde; Alexei Korolev; J. Walter Strapp; Beat Schmid; Jason M. Tomlinson; Mengistu Wolde; Sarah D. Brooks; Dan Cziczo; Manvendra K. Dubey; Jiwen Fan; Connor Flynn; Ismail Gultepe; John Hubbe; Mary K. Gilles; Alexander Laskin; Paul Lawson; W. Richard Leaitch; Peter Liu; Xiaohong Liu; Dan Lubin; Claudio Mazzoleni; Ann-Marie Macdonald; Ryan C. Moffet; Hugh Morrison; Mikhail Ovchinnikov; Matthew D. Shupe; David D. Turner; Shaocheng Xie; Alla Zelenyuk; Kenny Bae; Matt Freer; Andrew Glen

2011-02-01T23:59:59.000Z

388

Air Breathing Direct Methanol Fuel Cell  

DOE Patents (OSTI)

A method for activating a membrane electrode assembly for a direct methanol fuel cell is disclosed. The method comprises operating the fuel cell with humidified hydrogen as the fuel followed by running the fuel cell with methanol as the fuel.

Ren; Xiaoming (Los Alamos, NM)

2003-07-22T23:59:59.000Z

389

A direct search for Dirac magnetic monopoles  

E-Print Network (OSTI)

Magnetic monopoles are highly ionizing and curve in the direction of the magnetic field. A new dedicated magnetic monopole trigger at CDF, which requires large light pulses in the scintillators of the time-of-flight system, ...

Mulhearn, Michael James

2005-01-01T23:59:59.000Z

390

Extreme Scale Computing, Co-design  

NLE Websites -- All DOE Office Websites (Extended Search)

Extreme Scale Computing, Co-design Extreme Scale Computing, Co-design Extreme Scale Computing, Co-design Computational co-design may facilitate revolutionary designs in the next generation of supercomputers. Get Expertise Tim Germann Physics and Chemistry of Materials Email Allen McPherson Energy and Infrastructure Analysis Email Turab Lookman Physics and Condensed Matter and Complex Systems Email Computational co-design involves developing the interacting components of a computational system as a whole. Informing system design, ensuring productive and efficient code Project Description To address the increasingly complex problems of the modern world, scientists at Los Alamos are pushing the scale of computing to the extreme, forming partnerships with other national laboratories and industry to

391

Vortex tracking in scale-space  

Science Conference Proceedings (OSTI)

Scale-space techniques have become popular in computer vision for their capability to access the multiscale information inherently contained in images. We show that the field of flow visualization can benefit from these techniques, too, yielding more ...

Dirk Bauer; Ronald Peikert

2002-05-01T23:59:59.000Z

392

Small-scale alcohol fuel production  

Science Conference Proceedings (OSTI)

This is the final report of a project to demonstrate the feasibility of small-scale alcohol fuel production. A list of equipment and costs incurred in contracting the still are included. No experimental results are presented. (DMC)

Evans, J.; McQueary, J.

1983-02-25T23:59:59.000Z

393

Property:Scale Test | Open Energy Information  

Open Energy Info (EERE)

Scale Test Scale Test Jump to: navigation, search Property Name Scale Test Property Type Text Pages using the property "Scale Test" Showing 25 pages using this property. (previous 25) (next 25) M MHK Technologies/Aegir Dynamo + Prototype model has been constructed and tested in a specially designed wave tank MHK Technologies/AirWEC + They had to file a our SBIR Phase I technical report before we could conduct comprehensive open water testing MHK Technologies/Atlantis AN 150 + Atlantis conducted tow testing configuration optimisation and performance enhancement of the Nereus150 prior to offshore installation Tow testing took place in November 2007 and February 2008 the results of this testing were observed verified and validated by Black Veatch B V High correlation between the actual and predicted power output were observed during this testing It is noted that at higher flows the AN400 outperformed the predicted power generation performance during this testing

394

Nanocrystalline Magnetic Components for Megawatt Scale High ...  

Science Conference Proceedings (OSTI)

Symposium, Advanced Materials for Power Electronics, Power Conditioning, and ... This scaling does not typically incur higher losses in the nancrystalline ... that will efficiently integrate into the next generation power grid distribution network.

395

Energy Basics: Large-Scale Hydropower  

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

These plants are more than 30 MW in size, and there is more than 80,000 MW of installed generation capacity in the United States today. Most large-scale hydropower projects use a...

396

Planet-scale Human Mobility Measurement  

E-Print Network (OSTI)

Research into, and design and construction of mobile systems and algorithms requires access to large-scale mobility data. Unfortunately, the wireless and mobile research community lacks such data. For instance, the largest available human contact traces contain only 100 nodes with very sparse connectivity, limited by experimental logistics. In this paper we pose a challenge to the community: how can we collect mobility data from billions of human participants? We re-assert the importance of large-scale datasets in communication network design, and claim that this could impact fundamental studies in other academic disciplines. In effect, we argue that planet-scale mobility measurements can help to save the world. For example, through understanding large-scale human mobility, we can track and model and contain the spread of epidemics of various kinds.

Pan Hui; Richard Mortier; Tristan Henderson; Jon Crowcroft

2009-09-18T23:59:59.000Z

397

Program Management for Large Scale Engineering Programs  

E-Print Network (OSTI)

The goal of this whitepaper is to summarize the LAI research that applies to program management. The context of most of the research discussed in this whitepaper are large-scale engineering programs, particularly in the ...

Oehmen, Josef

398

Definition: Small Scale Wind | Open Energy Information  

Open Energy Info (EERE)

Small scale wind projects are typically defined as projects with capacity ratings of 1 - 100 kW.1 View on Wikipedia Wikipedia Definition Related Terms wind power, wind energy,...

399

A Universal Scale of Apparent Temperature  

Science Conference Proceedings (OSTI)

Based on the total thermal resistance required by a human model to effect equilibrium, a scale is prepared showing apparent temperature for any combination of dry-bulb temperature, vapor pressure, wind speed and extra radiation likely to be ...

Robert G. Steadman

1984-12-01T23:59:59.000Z

400

Time Scales of Land Surface Hydrology  

Science Conference Proceedings (OSTI)

This paper intends to investigate the time scales of land surface hydrology and enhance the understanding of the hydrological cycle between the atmosphere, vegetation, and soil. A three-layer model for land surface hydrology is developed to study ...

Aihui Wang; Xubin Zeng; Samuel S. P. Shen; Qing-Cun Zeng; Robert E. Dickinson

2006-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Scaling cosmological solutions with Horndeski Lagrangian  

E-Print Network (OSTI)

We find the most general coupled scalar field Lagrangian linear in $\\Box\\phi$ and with a general kinetic term that contains cosmological scaling solutions, i.e. solutions on which the ratio of matter to field density and the equation of state remains constant. Scaling solutions of this kind may help solving the coincidence problem since in this case the presently observed ratio of matter to dark energy does not depend on initial conditions but rather on the theoretical parameters. Extending previous results we find that it is impossible to join in a single solution a matter era and the scaling attractor. This is an additional step towards finding the most general scaling Lagrangian within the Horndeski class, i.e. general scalar-tensor models with second order equations of motion.

Gomes, A R

2013-01-01T23:59:59.000Z

402

Diagnosis of Multiyear Predictability on Continental Scales  

Science Conference Proceedings (OSTI)

A new statistical optimization method is used to identify components of surface air temperature and precipitation on six continents that are predictable in multiple climate models on multiyear time scales. The components are identified from ...

Liwei Jia; Timothy DelSole

2011-10-01T23:59:59.000Z

403

Large-Scale Offshore Wind Power  

NLE Websites -- All DOE Office Websites (Extended Search)

Large-Scale Offshore Wind Power in the United States EXECUTIVE SUMMARY September 2010 NOTICE This report was prepared as an account of work sponsored by an agency of the United...

404

Skyrmions, rational maps, and scaling identities  

Science Conference Proceedings (OSTI)

Starting from approximate Skyrmion solutions obtained using the rational map ansatz, improved approximate Skyrmions are constructed using scaling arguments. Although the energy improvement is small, the change of shape clarifies whether the true Skyrmions are more oblate or prolate.

Charalampidis, E. G.; Ioannidou, T. A. [Department of Mathematics, Physics and Computational Sciences, Faculty of Engineering, Aristotle University of Thessaloniki, GR-54124 Thessaloniki (Greece); Manton, N. S. [Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Wilberforce Road, Cambridge CB3 0WA (United Kingdom)

2011-03-15T23:59:59.000Z

405

Large-Scale Hydrogen Combustion Experiments  

Science Conference Proceedings (OSTI)

Large-scale combustion experiments show that deliberate ignition can limit hydrogen accumulation in reactor containments. The collected data allow accurate evaluation of containment pressures and temperatures associated with hydrogen combustion.

1988-10-18T23:59:59.000Z

406

Large-Scale Dynamics and Global Warming  

Science Conference Proceedings (OSTI)

Predictions of future climate change raise a variety of issues in large-scale atmospheric and oceanic dynamics. Several of these are reviewed in this essay, including the sensitivity of the circulation of the Atlantic Ocean to increasing ...

Isaac M. Held

1993-02-01T23:59:59.000Z

407

PROGRAM OPPORTUNITY NOTICE Community Scale Renewable Energy  

E-Print Network (OSTI)

PROGRAM OPPORTUNITY NOTICE Community Scale Renewable Energy Development, Deployment and Integration optimized community-specific renewable energy systems; develop the tools and models to quantify the impacts and benefits of increasing local renewable energy penetrations in California's communities; and develop

408

A fast directional continuous spherical wavelet transform  

E-Print Network (OSTI)

A fast algorithm for Antoine and Vandergheynst's (1998) directional continuous spherical wavelet transform (CSWT) is presented. Computational requirements are reduced by a factor of O(\\sqrt{N}), when N is the number of pixels on the sphere. The spherical Mexican hat wavelet Gaussianity analysis of the WMAP 1-year data performed by Vielva et al. (2003) is reproduced and confirmed using the fast CSWT. The proposed extension to directional analysis is inherently afforded by the fast CSWT algorithm.

J. D. McEwen; M. P. Hobson; A. N. Lasenby; D. J. Mortlock

2004-09-13T23:59:59.000Z

409

Nanoscale Science, Engineering and Technology Research Directions  

Science Conference Proceedings (OSTI)

This report describes important future research directions in nanoscale science, engineering and technology. It was prepared in connection with an anticipated national research initiative on nanotechnology for the twenty-first century. The research directions described are not expected to be inclusive but illustrate the wide range of research opportunities and challenges that could be undertaken through the national laboratories and their major national scientific user facilities with the support of universities and industry.

Lowndes, D. H.; Alivisatos, A. P.; Alper, M.; Averback, R. S.; Jacob Barhen, J.; Eastman, J. A.; Imre, D.; Lowndes, D. H.; McNulty, I.; Michalske, T. A.; Ho, K-M; Nozik, A. J.; Russell, T. P.; Valentin, R. A.; Welch, D. O.; Barhen, J.; Agnew, S. R.; Bellon, P.; Blair, J.; Boatner, L. A.; Braiman, Y.; Budai, J. D.; Crabtree, G. W.; Feldman, L. C.; Flynn, C. P.; Geohegan, D. B.; George, E. P.; Greenbaum, E.; Grigoropoulos, C.; Haynes, T. E.; Heberlein, J.; Hichman, J.; Holland, O. W.; Honda, S.; Horton, J. A.; Hu, M. Z.-C.; Jesson, D. E.; Joy, D. C.; Krauss, A.; Kwok, W.-K.; Larson, B. C.; Larson, D. J.; Likharev, K.; Liu, C. T.; Majumdar, A.; Maziasz, P. J.; Meldrum, A.; Miller, J. C.; Modine, F. A.; Pennycook, S. J.; Pharr, G. M.; Phillpot, S.; Price, D. L.; Protopopescu, V.; Poker, D. B.; Pui, D.; Ramsey, J. M.; Rao, N.; Reichl, L.; Roberto, J.; Saboungi, M-L; Simpson, M.; Strieffer, S.; Thundat, T.; Wambsganss, M.; Wendleken, J.; White, C. W.; Wilemski, G.; Withrow, S. P.; Wolf, D.; Zhu, J. H.; Zuhr, R. A.; Zunger, A.; Lowe, S.

1999-01-01T23:59:59.000Z

410

Classifying forest productivity at different scales  

DOE Green Energy (OSTI)

Spatial scale is an important consideration when evaluating, using, or constructing forest productivity classifications. First, the factors which dominate spatial variability in forest productivity are scale dependent. For example, within a stand, spatial variability in productivity is dominated by microsite differences; within a national forest such as the Cherokee National Forest, spatial variability is dominated by topography and land-use history (e.g., years since harvest); within a large region such as the southeast, spatial variability is dominated by climatic patterns. Second, classifications developed at different spatial scales are often used for different purposes. For example, stand-level classifications are often keys or rules used in the field to judge the quality or potential of a site. National-forest classifications are often presented as maps or tables and may be used in forest land planning. Regional classifications may be maps or tables and may be used to quantify or predict resource availability. These scale-related differences in controlling factors and purposes will affect both the methods and the data used to develop classifications. In this paper, I will illustrate these points by describing and comparing three forest productivity classifications, each developed for a specific purpose at a specific scale. My objective is not to argue for or against any of these particular classifications but rather to heighten awareness of the critical role that spatial scale plays in the use and development of forest productivity classifications. 8 refs., 2 figs., 1 tab.

Graham, R.L.

1991-01-01T23:59:59.000Z

411

Nuclear-pumped lasers for large-scale applications  

SciTech Connect

Efficient initiation of large-volume chemical lasers may be achieved by neutron induced reactions which produce charged particles in the final state. When a burst mode nuclear reactor is used as the neutron source, both a sufficiently intense neutron flux and a sufficiently short initiation pulse may be possible. Proof-of-principle experiments are planned to demonstrate lasing in a direct nuclear-pumped large-volume system; to study the effects of various neutron absorbing materials on laser performance; to study the effects of long initiation pulse lengths; to demonstrate the performance of large-scale optics and the beam quality that may be obtained; and to assess the performance of alternative designs of burst systems that increase the neutron output and burst repetition rate. 21 refs., 8 figs., 5 tabs.

Anderson, R.E.; Leonard, E.M.; Shea, R.F.; Berggren, R.R.

1989-05-01T23:59:59.000Z

412

Small-Scale Geothermal Power Plant Field Verification Projects: Preprint  

SciTech Connect

In the spring of 2000, the National Renewable Energy Laboratory issued a Request for Proposal for the construction of small-scale (300 kilowatt [kW] to 1 megawatt [MW]) geothermal power plants in the western United States. Five projects were selected for funding. Of these five, subcontracts have been completed for three, and preliminary design work is being conducted. The three projects currently under contract represent a variety of concepts and locations: a 1-MW evaporatively enhanced, air-cooled binary-cycle plant in Nevada; a 1-MW water-cooled Kalina-cycle plant in New Mexico; and a 750-kW low-temperature flash plant in Utah. All three also incorporate direct heating: onion dehydration, heating for a fish hatchery, and greenhouse heating, respectively. These projects are expected to begin operation between April 2002 and September 2003. In each case, detailed data on performance and costs will be taken over a 3-year period.

Kutscher, C.

2001-07-03T23:59:59.000Z

413

BENCH SCALE SALTSTONE PROCESS DEVELOPMENT MIXING STUDY  

SciTech Connect

The Savannah River National Laboratory (SRNL) was requested to develop a bench scale test facility, using a mixer, transfer pump, and transfer line to determine the impact of conveying the grout through the transfer lines to the vault on grout properties. Bench scale testing focused on the effect the transfer line has on the rheological property of the grout as it was processed through the transfer line. Rheological and other physical properties of grout samples were obtained prior to and after pumping through a transfer line. The Bench Scale Mixing Rig (BSMR) consisted of two mixing tanks, grout feed tank, transfer pump and transfer hose. The mixing tanks were used to batch the grout which was then transferred into the grout feed tank. The contents of the feed tank were then pumped through the transfer line (hose) using a progressive cavity pump. The grout flow rate and pump discharge pressure were monitored. Four sampling stations were located along the length of the transfer line at the 5, 105 and 205 feet past the transfer pump and at 305 feet, the discharge of the hose. Scaling between the full scale piping at Saltstone to bench scale testing at SRNL was performed by maintaining the same shear rate and total shear at the wall of the transfer line. The results of scaling down resulted in a shorter transfer line, a lower average velocity, the same transfer time and similar pressure drops. The condition of flow in the bench scale transfer line is laminar. The flow in the full scale pipe is in the transition region, but is more laminar than turbulent. The resulting plug in laminar flow in the bench scale results in a region of no-mixing. Hence mixing, or shearing, at the bench scale should be less than that observed in the full scale, where this plug is non existent due to the turbulent flow. The bench scale tests should be considered to be conservative due to the highly laminar condition of flow that exists. Two BSMR runs were performed. In both cases, wall shearing was shown to reduce the rheological properties of the grout as it was processed through the transfer line. Samples taken at the static feed tank showed that gelling impacted the rheological properties of the grout before it was fed into the pump and transfer line. A comparison of the rheological properties of samples taken at the feed tank and transfer line discharge indicated shearing of the grout was occurring in the transfer line. Bench scale testing of different mixing methods with three different salt solutions showed that method of mixing influences the rheological properties of the grouts. The paddle blade mixing method of the salt solution used for the BMSR testing provided comparable rheological properties of the grout prepared in the BMSR after 14 minutes of processing, B3. The paddle blade mixing method can be used to represent BMSR results and mixing time can be adjusted to represent larger scale mixing.

Cozzi, A.; Hansen, E.

2011-08-03T23:59:59.000Z

414

Laboratory Directed Research and Development Program FY2011  

E-Print Network (OSTI)

Lines for Large Scale Biofuel Production on Marginalindustrial-scale biofuel production focus on the economics,output for different biofuel production chains. 2) This

ed, Todd Hansen

2013-01-01T23:59:59.000Z

415

Towards direct potable reuse with forward osmosis: Technical assessment of long-term process performance at the pilot scale  

E-Print Network (OSTI)

of Mines, Golden, CO 80401, USA b CH2M Hill, 9311 San Pedro Avenue, San Antonio, TX 78216, USA a r t i c l separations of dissolved constituents with reduced energy demand in specific treatment scenarios, others [9

416

Optimization of direct bioconversion of cellulose into biofuels: medium improvement, scale-up and use of alternative nutrients.  

E-Print Network (OSTI)

??Despite the long-term economic and environmental benefits of cellulosic biofuel production, low rates of cellulose utilization and products syntheses are major techno-economical barriers to the… (more)

Islam, Rumana

2013-01-01T23:59:59.000Z

417

An investigation of the effect of pore scale flow on average geochemical reaction rates using direct numerical simulation  

E-Print Network (OSTI)

A second-order projection method for the incompressibleP. Colella (2001), A projection method for incompressibleusing a predictor-corrector projection method [Trebotich and

Rafa, S. Molins

2013-01-01T23:59:59.000Z

418

Exploration of robotic-wheel technology for enhanced urban mobility and city scale omni-directional personal transportation  

E-Print Network (OSTI)

Mobility is traditionally thought of as freedom to access more goods and services. However, in my view, mobility is also largely about personal freedom, i.e., the ability to exceed one's physical limitations, in essence, ...

Poblano, Raul-David Valdivia

2008-01-01T23:59:59.000Z

419

STAR FORMATION RATES IN MOLECULAR CLOUDS AND THE NATURE OF THE EXTRAGALACTIC SCALING RELATIONS  

SciTech Connect

In this paper, we investigate scaling relations between star formation rates and molecular gas masses for both local Galactic clouds and a sample of external galaxies. We specifically consider relations between the star formation rates and measurements of dense, as well as total, molecular gas masses. We argue that there is a fundamental empirical scaling relation that directly connects the local star formation process with that operating globally within galaxies. Specifically, the total star formation rate in a molecular cloud or galaxy is linearly proportional to the mass of dense gas within the cloud or galaxy. This simple relation, first documented in previous studies, holds over a span of mass covering nearly nine orders of magnitude and indicates that the rate of star formation is directly controlled by the amount of dense molecular gas that can be assembled within a star formation complex. We further show that the star formation rates and total molecular masses, characterizing both local clouds and galaxies, are correlated over similarly large scales of mass and can be described by a family of linear star formation scaling laws, parameterized by f{sub DG}, the fraction of dense gas contained within the clouds or galaxies. That is, the underlying star formation scaling law is always linear for clouds and galaxies with the same dense gas fraction. These considerations provide a single unified framework for understanding the relation between the standard (nonlinear) extragalactic Schmidt-Kennicutt scaling law, that is typically derived from CO observations of the gas, and the linear star formation scaling law derived from HCN observations of the dense gas.

Lada, Charles J.; Forbrich, Jan [Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138 (United States); Lombardi, Marco [Department of Physics, University of Milan, via Celoria 16, I-20133 Milan (Italy); Alves, Joao F., E-mail: clada@cfa.harvard.edu, E-mail: jforbrich@cfa.harvard.edu, E-mail: marco.lombardi@gmail.com, E-mail: joao.alves@univie.ac.at [Institute for Astronomy, University of Vienna, Tuerkenschanzstrasse 17, A-1180 Vienna (Austria)

2012-02-01T23:59:59.000Z

420

The Dynamics of Rapid Fracture: Instabilities, Nonlinearities and Length Scales  

E-Print Network (OSTI)

The failure of materials and interfaces is mediated by cracks, nearly singular dissipative structures that propagate at velocities approaching the speed of sound. Crack initiation and subsequent propagation -- the dynamic process of fracture -- couples a wide range of time and length scales. Crack dynamics challenge our understanding of the fundamental physics processes that take place in the extreme conditions within the nearly singular region where material failure occurs. Here, we first briefly review the classic approach to dynamic fracture, "Linear Elastic Fracture Mechanics" (LEFM), and discuss its successes and limitations. We show how, on the one hand, recent experiments performed on straight cracks propagating in soft brittle materials have quantitatively confirmed the predictions of this theory to an unprecedented degree. On the other hand, these experiments show how LEFM breaks down as the singular region at the tip of a crack is approached. This breakdown naturally leads to a new theoretical framework coined "Weakly Nonlinear Fracture Mechanics", where weak elastic nonlinearities are incorporated. The stronger singularity predicted by this theory gives rise to a new and intrinsic length scale, $\\ell_{nl}$. These predictions are verified in detail through direct measurements. We then theoretically and experimentally review how the emergence of $\\ell_{nl}$ is linked to a new equation for crack motion, which predicts the existence of a high-speed oscillatory crack instability whose wave-length is determined by $\\ell_{nl}$. We conclude by delineating outstanding challenges in the field.

Eran Bouchbinder; Tamar Goldman; Jay Fineberg

2013-05-05T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Anomaly Detection in Multiple Scale for Insider Threat Analysis  

Science Conference Proceedings (OSTI)

We propose a method to quantify malicious insider activity with statistical and graph-based analysis aided with semantic scoring rules. Different types of personal activities or interactions are monitored to form a set of directed weighted graphs. The semantic scoring rules assign higher scores for the events more significant and suspicious. Then we build personal activity profiles in the form of score tables. Profiles are created in multiple scales where the low level profiles are aggregated toward more stable higherlevel profiles within the subject or object hierarchy. Further, the profiles are created in different time scales such as day, week, or month. During operation, the insider s current activity profile is compared to the historical profiles to produce an anomaly score. For each subject with a high anomaly score, a subgraph of connected subjects is extracted to look for any related score movement. Finally the subjects are ranked by their anomaly scores to help the analysts focus on high-scored subjects. The threat-ranking component supports the interaction between the User Dashboard and the Insider Threat Knowledge Base portal. The portal includes a repository for historical results, i.e., adjudicated cases containing all of the information first presented to the user and including any additional insights to help the analysts. In this paper we show the framework of the proposed system and the operational algorithms.

Kim, Yoohwan [ORNL; Sheldon, Frederick T [ORNL; Hively, Lee M [ORNL

2012-01-01T23:59:59.000Z

422

Upscaling of Long-Term U9VI) Desorption from Pore Scale Kinetics to Field-Scale Reactive Transport Models  

Science Conference Proceedings (OSTI)

Environmental systems exhibit a range of complexities which exist at a range of length and mass scales. Within the realm of radionuclide fate and transport, much work has been focused on understanding pore scale processes where complexity can be reduced to a simplified system. In describing larger scale behavior, the results from these simplified systems must be combined to create a theory of the whole. This process can be quite complex, and lead to models which lack transparency. The underlying assumption of this approach is that complex systems will exhibit complex behavior, requiring a complex system of equations to describe behavior. This assumption has never been tested. The goal of the experiments presented is to ask the question: Do increasingly complex systems show increasingly complex behavior? Three experimental tanks at the intermediate scale (Tank 1: 2.4m x 1.2m x 7.6cm, Tank 2: 2.4m x 0.61m x 7.6cm, Tank 3: 2.4m x 0.61m x 0.61m (LxHxW)) have been completed. These tanks were packed with various physical orientations of different particle sizes of a uranium contaminated sediment from a former uranium mill near Naturita, Colorado. Steady state water flow was induced across the tanks using constant head boundaries. Pore water was removed from within the flow domain through sampling ports/wells; effluent samples were also taken. Each sample was analyzed for a variety of analytes relating to the solubility and transport of uranium. Flow fields were characterized using inert tracers and direct measurements of pressure head. The results show that although there is a wide range of chemical variability within the flow domain of the tank, the effluent uranium behavior is simple enough to be described using a variety of conceptual models. Thus, although there is a wide range in variability caused by pore scale behaviors, these behaviors appear to be smoothed out as uranium is transported through the tank. This smoothing of uranium transport behavior transcends many of the physical and chemical heterogeneities added to the tank experiments.

Andy Miller

2009-01-25T23:59:59.000Z

423

Tensor scale: An analytic approach with efficient computation and applications  

Science Conference Proceedings (OSTI)

Scale is a widely used notion in computer vision and image understanding that evolved in the form of scale-space theory where the key idea is to represent and analyze an image at various resolutions. Recently, we introduced a notion of local morphometric ... Keywords: Image filtering, Image interpolation, Local scale, Morphometry, Scale-space, Tensor scale

Ziyue Xu; Punam K. Saha; Soura Dasgupta

2012-10-01T23:59:59.000Z

424

Property:IdentifiedHydrothermalPotential | Open Energy Information  

Open Energy Info (EERE)

IdentifiedHydrothermalPotential IdentifiedHydrothermalPotential Jump to: navigation, search Property Name IdentifiedHydrothermalPotential Property Type Quantity Description Conventional hydrothermal electricity generation potential from identified hydrothermal sites, as determined by the USGS 2008 Geothermal Resource Assessment (Williams et al, 2008). Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS

425

Property:PotentialOnshoreWindCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialOnshoreWindCapacity PotentialOnshoreWindCapacity Jump to: navigation, search Property Name PotentialOnshoreWindCapacity Property Type Quantity Description The nameplate capacity technical potential from Onshore Wind for a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

426

Property:PotentialRooftopPVCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialRooftopPVCapacity PotentialRooftopPVCapacity Jump to: navigation, search Property Name PotentialRooftopPVCapacity Property Type Quantity Description The nameplate capacity technical potential from Rooftop PV for a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

427

Property:MeanCapacity | Open Energy Information  

Open Energy Info (EERE)

MeanCapacity MeanCapacity Jump to: navigation, search Property Name MeanCapacity Property Type Quantity Description Mean capacity potential at location based on the USGS 2008 Geothermal Resource Assessment if the United States Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

428

Property:PotentialBiopowerSolidCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialBiopowerSolidCapacity PotentialBiopowerSolidCapacity Jump to: navigation, search Property Name PotentialBiopowerSolidCapacity Property Type Quantity Description The nameplate capacity technical potential from solid biopower for a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

429

Property:UndiscoveredHydrothermalPotential | Open Energy Information  

Open Energy Info (EERE)

UndiscoveredHydrothermalPotential UndiscoveredHydrothermalPotential Jump to: navigation, search Property Name UndiscoveredHydrothermalPotential Property Type Quantity Description Estimated conventional hydrothermal electricity generation potential from undiscovered hydrothermal sites, as determined by the USGS 2008 Geothermal Resource Assessment (Williams et al, 2008). Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS

430

Property:NetProdCapacity | Open Energy Information  

Open Energy Info (EERE)

NetProdCapacity NetProdCapacity Jump to: navigation, search Property Name NetProdCapacity Property Type Quantity Description Sum of the property SummerPeakNetCpcty for all Energy Generation Facilities with properties: Sector: Geothermal Energy InGeothermalResourceArea: set to the the variable vName of the Geothermal Resource Area Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS

431

Property:Capacity | Open Energy Information  

Open Energy Info (EERE)

Capacity Capacity Jump to: navigation, search Property Name Capacity Property Type Quantity Description Potential electric energy generation, default units of megawatts. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS 0.000001 TW,terawatt,terawatts,Terawatt,Terawatts,TeraWatt,TeraWatts,TERAWATT,TERAWATTS

432

Property:PotentialEGSGeothermalCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialEGSGeothermalCapacity PotentialEGSGeothermalCapacity Jump to: navigation, search Property Name PotentialEGSGeothermalCapacity Property Type Quantity Description The nameplate capacity technical potential from EGS Geothermal for a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

433

Property:GeneratingCapacity | Open Energy Information  

Open Energy Info (EERE)

GeneratingCapacity GeneratingCapacity Jump to: navigation, search Property Name GeneratingCapacity Property Type Quantity Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS 0.000001 TW,terawatt,terawatts,Terawatt,Terawatts,TeraWatt,TeraWatts,TERAWATT,TERAWATTS

434

Property:PotentialCSPCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialCSPCapacity PotentialCSPCapacity Jump to: navigation, search Property Name PotentialCSPCapacity Property Type Quantity Description The nameplate capacity technical potential from CSP for a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

435

Property:PlannedCapacity | Open Energy Information  

Open Energy Info (EERE)

PlannedCapacity PlannedCapacity Jump to: navigation, search Property Name PlannedCapacity Property Type Quantity Description The total planned capacity for a given area, region or project. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS 0.000001 TW,terawatt,terawatts,Terawatt,Terawatts,TeraWatt,TeraWatts,TERAWATT,TERAWATTS

436

Property:GrossProdCapacity | Open Energy Information  

Open Energy Info (EERE)

GrossProdCapacity GrossProdCapacity Jump to: navigation, search Property Name GrossProdCapacity Property Type Quantity Description Sum of the property AvgAnnlGrossOpCpcty for all Energy Generation Facilities with properties: Sector: Geothermal Energy InGeothermalResourceArea: set to the the variable vName of the Geothermal Resource Area Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS

437

Property:PotentialOffshoreWindCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialOffshoreWindCapacity PotentialOffshoreWindCapacity Jump to: navigation, search Property Name PotentialOffshoreWindCapacity Property Type Quantity Description The nameplate capacity technical potential from Offshore Wind for a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

438

Property:PotentialGeothermalHydrothermalCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialGeothermalHydrothermalCapacity PotentialGeothermalHydrothermalCapacity Jump to: navigation, search Property Name PotentialGeothermalHydrothermalCapacity Property Type Quantity Description The nameplate capacity technical potential from Geothermal Hydrothermal for a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

439

Property:PotentialHydropowerCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialHydropowerCapacity PotentialHydropowerCapacity Jump to: navigation, search Property Name PotentialHydropowerCapacity Property Type Quantity Description The nameplate capacity technical potential from Hydropower for a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

440

Property:PotentialBiopowerGaseousCapacity | Open Energy Information  

Open Energy Info (EERE)

PotentialBiopowerGaseousCapacity PotentialBiopowerGaseousCapacity Jump to: navigation, search Property Name PotentialBiopowerGaseousCapacity Property Type Quantity Description The nameplate capacity technical potential from gaseous biopower for a particular place. Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Property:InstalledCapacity | Open Energy Information  

Open Energy Info (EERE)

InstalledCapacity InstalledCapacity Jump to: navigation, search Property Name InstalledCapacity Property Type Quantity Description Installed Capacity (MW) or also known as Total Generator Nameplate Capacity (Rated Power) Use this property to express potential electric energy generation, such as Nameplate Capacity. The default unit is megawatts (MW). For spatial capacity, use property Volume. Acceptable units (and their conversions) are: 1 MW,MWe,megawatt,Megawatt,MegaWatt,MEGAWATT,megawatts,Megawatt,MegaWatts,MEGAWATT,MEGAWATTS 1000 kW,kWe,KW,kilowatt,KiloWatt,KILOWATT,kilowatts,KiloWatts,KILOWATT,KILOWATTS 1000000 W,We,watt,watts,Watt,Watts,WATT,WATTS 1000000000 mW,milliwatt,milliwatts,MILLIWATT,MILLIWATTS 0.001 GW,gigawatt,gigawatts,Gigawatt,Gigawatts,GigaWatt,GigaWatts,GIGAWATT,GIGAWATTS

442

Geothermal direct heat applications program summary  

DOE Green Energy (OSTI)

The use of geothermal energy for direct heat purposes by the private sector within the US has been quite limited to date. However, there is a large potential market for thermal energy in such areas as industrial processing, agribusiness, and space/water heating of commercial and residential buildings. Technical and economic information is needed to assist in identifying prospective direct heat users and to match their energy needs to specific geothermal reservoirs. Technological uncertainties and associated economic risks can influence the user's perception of profitability to the point of limiting private investment in geothermal direct applications. To stimulate development in the direct heat area, the Department of Energy, Division of Geothermal Energy, issued two Program Opportunity Notices (PON's). These solicitations are part of DOE's national geothermal energy program plan, which has as its goal the near-term commercialization by the private sector of hydrothermal resources. Encouragement is being given to the private sector by DOE cost-sharing a portion of the front-end financial risk in a limited number of demonstration projects. The twenty-two projects summarized herein are direct results of the PON solicitations.

None

1980-04-01T23:59:59.000Z

443

Full-scale and bench-scale testing of a coal-fueled gas turbine system  

SciTech Connect

Components for a coal-fueled industrial gas turbine were developed and tested at both benchscale and full-scale. The components included a two stage slagging combustor, a particulate rejection impact separator (PRIS), and a secondary particulate filter. The Integrated Bench Scale Test Facility (IBSTF) was used for the filter tests ana some of the PRIS testing. Full-scale combustor testing has been carried-out both with and without the PRIS. Bench-scale testing has included evaluating the feasibility of on-site CWM preparation, developing a water-cooled impactor and an extended run with new secondary candle filters.

Roberts, P.B.; LeCren, R.T.; Cowell, L.H.; Galica, M.A.; Stephenson, M.D.; Wen, C.S.

1992-01-01T23:59:59.000Z

444

Full-scale and bench-scale testing of a coal-fueled gas turbine system  

SciTech Connect

Components for a coal-fueled industrial gas turbine were developed and tested at both benchscale and full-scale. The components included a two stage slagging combustor, a particulate rejection impact separator (PRIS), and a secondary particulate filter. The Integrated Bench Scale Test Facility (IBSTF) was used for the filter tests ana some of the PRIS testing. Full-scale combustor testing has been carried-out both with and without the PRIS. Bench-scale testing has included evaluating the feasibility of on-site CWM preparation, developing a water-cooled impactor and an extended run with new secondary candle filters.

Roberts, P.B.; LeCren, R.T.; Cowell, L.H.; Galica, M.A.; Stephenson, M.D.; Wen, C.S.

1992-12-31T23:59:59.000Z

445

Theory and practice of near critical pressure direct contact heat exchange. Final report  

DOE Green Energy (OSTI)

The direct contact heat exchange (DCHE) system previously designed, developed, and tested, was operated successfully without scale deposition. Conceptual design, optimization, and cost analysis showed that an additional advantage is the reduction in cost due to the high capacity of the DCHE compared with conventional heat exchangers. The technical and economic feasibility of DCHE operated near or above the critical pressure of isobutane using isobutane in direct contact with geothermal brine was assessed. The program consisted of conceptual design with a preliminary process evaluation and feasibility analysis, design and construction of the experimental apparatus, experimental tests, a final revised process evaluation and feasibility analysis based on the experimental results, and preparation of a design procedure. No scaling problems were present in the direct contact heat exchanger or the test unit. Test runs show that no scale was deposited in either the packed column section or the sieve tray section for continuous runs of 76 and 160 hours using East Mesa well 6-2 brine. In fact, the sieve tray section after 160 hours operation was visibly cleaner after the run than before. Both the packed column section and the sieve tray section operated according to theoretical thermodynamic and hydraulic predictions. Operation of the supercritical isobutane direct contact heat exchange and associated test unit with geothermal brine was routine with automatic controls and without operator attention. A design procedure including the requisite equations for sieve tray direct contact heat exchange columns was developed. The procedure gives the optimum ratio of isobutane to brine, optimum number of trays and tray spacing, and the sieve tray layout variables, namely downcomer area, active hole area, bubbling area, and column cross sectional area.

Wahl, E.F.; Boucher, F.B.

1977-10-01T23:59:59.000Z

446

ARM - Measurement - Shortwave broadband direct normal irradiance  

NLE Websites -- All DOE Office Websites (Extended Search)

normal irradiance normal irradiance ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Measurement : Shortwave broadband direct normal irradiance The rate at which radiant energy in broad bands of wavelengths shorter than approximately 4{mu}m, that comes directly from the Sun without being scattered or absorbed in the atmosphere, passes through a unit area perpendicular to the direction from the Sun. Categories Radiometric Instruments The above measurement is considered scientifically relevant for the following instruments. Refer to the datastream (netcdf) file headers of each instrument for a list of all available measurements, including those recorded for diagnostic or quality assurance purposes. ARM Instruments

447

Adaptive Comfort Model: Simulations & Future Directions  

NLE Websites -- All DOE Office Websites (Extended Search)

Adaptive Comfort Model: Simulations & Future Directions Adaptive Comfort Model: Simulations & Future Directions Speaker(s): Richard de Dear Date: February 4, 2011 - 12:00pm Location: 90-4133 Seminar Host/Point of Contact: Philip Haves The last 20 years of thermal comfort have witnessed a shift away from the "static" approach (exemplified by the PMV/PPD model) towards the adaptive approach (exemplified by the adaptive models in ASHRAE's Standard 55 (2004, 2010) and the European Union's counterpart standard, EN15251 (2007). - the basis and derivation of the adaptive comfort model - adaptive comfort standards (ASHRAE 55 and EN15251) - new developments and directions (reporting back from the January 2011 ASHRAE Meeting of SSPC-55 in Las Vegas) - environmental variables other than dry bulb, in the adaptive model

448

First Direct Observation of Spinons and Holons  

NLE Websites -- All DOE Office Websites (Extended Search)

First Direct Observation of Spinons and Holons Print First Direct Observation of Spinons and Holons Print Spin and charge are inseparable traits of an electron, but in one-dimensional solids, a 40-year-old theory predicts their separation into "collective" modes-as independent excitation quanta called spinons and holons. Angle-resolved photoemission spectroscopy (ARPES) should provide the most direct evidence of this spin-charge separation, as the single quasiparticle peak splits into a spinon-holon two-peak structure. However, despite extensive ARPES experiments, the unambiguous observation of the two-peak structure has remained elusive. Working at the ALS, a team of researchers from Korea, Japan, and the U.S. has now observed electron spin-charge separation in a one-dimensional solid. These results hold implications for future developments in several key areas of advanced technology, including high-temperature superconductors, nanowires, and spintronics.

449

Definition: Direct normal irradiance | Open Energy Information  

Open Energy Info (EERE)

normal irradiance normal irradiance (Redirected from Definition:DNI) Jump to: navigation, search Dictionary.png Direct normal irradiance the amount of solar radiation received per unit area by a surface perpendicular (normal) to the rays that come in a straight line from the direction of the sun at its current position in the sky.[1] Also Known As DNI Related Terms Solar radiation, Irradiance, Concentrating solar power, Global horizontal irradiance References ↑ http://www.3tier.com/en/support/glossary/#dni Retrie LikeLike UnlikeLike You like this.Sign Up to see what your friends like. ved from "http://en.openei.org/w/index.php?title=Definition:Direct_normal_irradiance&oldid=423379" Category: Definitions What links here Related changes Special pages Printable version Permanent link

450

ARM - Measurement - Shortwave narrowband direct downwelling irradiance  

NLE Websites -- All DOE Office Websites (Extended Search)

downwelling irradiance downwelling irradiance ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Measurement : Shortwave narrowband direct downwelling irradiance The direct unscattered radiant energy from the Sun, in a narrow band of wavelengths shorter than approximately 4 {mu}m, passing through a horizontal unit area in a downward direction. Categories Radiometric Instruments The above measurement is considered scientifically relevant for the following instruments. Refer to the datastream (netcdf) file headers of each instrument for a list of all available measurements, including those recorded for diagnostic or quality assurance purposes. Field Campaign Instruments SOAR : Shipboard Oceanographic and Atmospheric Radiation

451

SQA Directives and Guidance | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

SQA Directives and Guidance SQA Directives and Guidance SQA Directives and Guidance DOE O 414.1D, Quality Assurance DOE G 414.1-4, Software Guide for use with 10 CFR 830 Subpart A, Quality Assurance Requirements, and DOE O 414.1C, Quality Assurance DOE Order O 414.1D, Quality Assurance, includes Attachment 4 addressing SQA requirements for nuclear safety applications at DOE nuclear facilities. The DOE O 414.1D was issued April 25, 2011. This Order and its associated Guide for safety software, DOE G 414.1-4, Safety Software Guide for use with 10 CFR 830 Subpart A, Quality Assurance Requirements. The Order identifies 10 software quality work activities that are to be performed using the graded approach specified in the Order. These 10 work activities are: (1) software project management, (2) software risk

452

Direct Imaging of Asymmetric Magnetization Reversal  

NLE Websites -- All DOE Office Websites (Extended Search)

Direct Imaging of Asymmetric Magnetization Reversal Print Direct Imaging of Asymmetric Magnetization Reversal Print The phenomenon of exchange bias has transformed how data is read on magnetic hard disks and created an explosion in their information storage density. However, it remains poorly understood, and even the fundamental mechanism of magnetic reversal for exchange-biased systems in changing magnetic fields is unclear. By using x-ray photoemission electron microscopy at the ALS to directly image the magnetic structure of an exchange-biased film, a team from the University of Washington and the Stanford Synchrotron Radiation Laboratory has identified separate magnetic-reversal mechanisms in the two branches of a hysteresis loop. This advance in fundamental understanding will provide new insights for developing the next generation of information storage and sensing devices where exchange bias is expected to play a critical role.

453

First Direct Observation of Spinons and Holons  

NLE Websites -- All DOE Office Websites (Extended Search)

First Direct Observation of Spinons and Holons Print First Direct Observation of Spinons and Holons Print Spin and charge are inseparable traits of an electron, but in one-dimensional solids, a 40-year-old theory predicts their separation into "collective" modes-as independent excitation quanta called spinons and holons. Angle-resolved photoemission spectroscopy (ARPES) should provide the most direct evidence of this spin-charge separation, as the single quasiparticle peak splits into a spinon-holon two-peak structure. However, despite extensive ARPES experiments, the unambiguous observation of the two-peak structure has remained elusive. Working at the ALS, a team of researchers from Korea, Japan, and the U.S. has now observed electron spin-charge separation in a one-dimensional solid. These results hold implications for future developments in several key areas of advanced technology, including high-temperature superconductors, nanowires, and spintronics.

454

First Direct Observation of Spinons and Holons  

NLE Websites -- All DOE Office Websites (Extended Search)

First Direct Observation of Spinons and Holons Print First Direct Observation of Spinons and Holons Print Spin and charge are inseparable traits of an electron, but in one-dimensional solids, a 40-year-old theory predicts their separation into "collective" modes-as independent excitation quanta called spinons and holons. Angle-resolved photoemission spectroscopy (ARPES) should provide the most direct evidence of this spin-charge separation, as the single quasiparticle peak splits into a spinon-holon two-peak structure. However, despite extensive ARPES experiments, the unambiguous observation of the two-peak structure has remained elusive. Working at the ALS, a team of researchers from Korea, Japan, and the U.S. has now observed electron spin-charge separation in a one-dimensional solid. These results hold implications for future developments in several key areas of advanced technology, including high-temperature superconductors, nanowires, and spintronics.

455

Resource assessment for geothermal direct use applications  

DOE Green Energy (OSTI)

This report discusses the topic geothermal resource assessment and its importance to laymen and investors for finding geothermal resources for direct-use applications. These are applications where the heat from lower-temperature geothermal fluids, 120 to 200/sup 0/F, are used directly rather than for generating electricity. The temperatures required for various applications are listed and the various types of geothermal resources are described. Sources of existing resource data are indicated, and the types and suitability of tests to develop more data are described. Potential development problems are indicated and guidance is given on how to decrease technical and financial risk and how to use technical consultants effectively. The objectives of this report are to provide: (1) an introduction low-temperature geothermal resource assessment; (2) experience from a series of recent direct-use projects; and (3) references to additional information.

Beer, C.; Hederman, W.F. Jr.; Dolenc, M.R.; Allman, D.W.

1984-04-01T23:59:59.000Z

456

Main dimensions of human practical directives system  

SciTech Connect

A hypothesis is made that due to the uncertainty and complexity of the practical inference schemes, the acting subject exerts his/her own system of beliefs about efficient ways of attaining the given goals. These beliefs are termed here: Practical Directives, and their system: Practical Attitude. An attempt was made to reconstruct such a system and its main dimensions. To this end, an instrument was constructed: the Questionnaire of Practical Directives (QPD), which is meant as an operational definition of Practical Attitude. A group of 218 subjects was tested with the aid of QPD and the factor analysis of the results revealed nine factors interpreted as main dimensions of the system of Practical Directives. 19 refs.

Lewicka-Strzalecka, A.

1992-12-31T23:59:59.000Z

457

Directed light fabrication of rhenium components  

SciTech Connect

Directed Light Fabrication (DLF) is a direct metal deposition process that fuses powder, delivered by gas into the focal zone of a high powered laser beam to form fully dense near-net shaped components. This is accomplished in one step without the use of molds, dies, forming, pressing, sintering or forging equipment. DLF is performed in a high purity inert environment free from the contaminants associated with conventional processing such as oxide and carbon pickup, lubricants, binding agents, cooling or cleaning agents. Applications using rhenium have historically been limited in part by its workability and cost. This study demonstrates the ability to fuse rhenium metal powder, using a DLF machine, into free standing rods and describes the associated parameter study. Microstructural comparisons between DLF deposited rhenium and commercial rhenium sheet product is performed. This research combined with existing DLF technology demonstrates the feasibility of forming complex rhenium, metal shapes directly from powder.

Milewski, J.O.; Thoma, D.J.; Lewis, G.K.

1997-02-01T23:59:59.000Z

458

Direct-Cooled Power Electronics Substrate  

SciTech Connect

The goal of the Direct-Cooled Power Electronics Substrate project is to reduce the size and weight of the heat sink for power electronics used in hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs). The concept proposed in this project was to develop an innovative power electronics mounting structure, model it, and perform both thermal and mechanical finite-element analysis (FEA). This concept involved integrating cooling channels within the direct-bonded copper (DBC) substrate and strategically locating these channels underneath the power electronic devices. This arrangement would then be directly cooled by water-ethylene glycol (WEG), essentially eliminating the conventional heat sink and associated heat flow path. The concept was evaluated to determine its manufacturability, its compatibility with WEG, and the potential to reduce size and weight while directly cooling the DBC and associated electronics with a coolant temperature of 105 C. This concept does not provide direct cooling to the electronics, only direct cooling inside the DBC substrate itself. These designs will take into account issues such as containment of the fluid (separation from the electronics) and synergy with the whole power inverter design architecture. In FY 2008, mechanical modeling of substrate and inverter core designs as well as thermal and mechanical stress FEA modeling of the substrate designs was performed, along with research into manufacturing capabilities and methods that will support the substrate designs. In FY 2009, a preferred design(s) will be fabricated and laboratory validation testing will be completed. In FY 2010, based on the previous years laboratory testing, the mechanical design will be modified and the next generation will be built and tested in an operating inverter prototype.

Wiles, R.; Ayers, C.; Wereszczak, A.

2008-12-23T23:59:59.000Z

459

Secretary Directs FPO to Prepare Strategic Plan  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

January 2004 Volume 1, Number 2 January 2004 Volume 1, Number 2 In This Issue * Executive Order Update * $1 Million for Manhattan Project Preservation * 2004 DOE Cultural Resources Forum * ES&H Cultural Resources Update * FPO Site Visits * Oak Ridge Historic Preservation Update * Featured Site: Pantex * Save America's Treasures * Manhattan Project Interactive Website * Goucher College: HP Education Opportunity * Atomic Testing Museum Moves Forward Secretary Directs FPO to Prepare Strategic Plan On December 2, 2003, Secretary of Energy Spencer Abraham directed DOE's Federal Preservation Officer, Chief Historian F. G. Gosling, to prepare a strategic plan for the Department's history and historic preservation/cultural resource management programs. The Secretary (right) gave Gosling 90

460

Directionally solidified materials | ornl.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Materials Advanced Materials Research Areas Research Highlights Facilities and Capabilities Science to Energy Solutions News & Awards Events and Conferences Supporting Organizations Clean Energy National Security Neutron Science Nuclear Science Supercomputing and Computation More Science Hubs, Centers and Institutes US ITER Home | Science & Discovery | Advanced Materials SHARE Directionally solidified materials May 15, 2013 A false-color image of molybdenum pillars, formed as a grid of nearly defect-free single crystal rods, sticking out of a silicon carbide matrix. Through a process known as directional solidification, ORNL researchers have grown materials with micrometer-sized nearly-perfect "pillars." When they tested these materials, they found that the pillars had strength

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Chapter 22 - Direct Loans and Loan Guarantees  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

8-31-11 8-31-11 22-1 CHAPTER 22 DIRECT LOANS AND LOAN GUARANTEES 1. PURPOSE. This chapter establishes the Department of Energy (DOE) accounting policy and procedures for direct loans and loan guarantees for non-Federal borrowers. 2. APPLICABILITY. a. Departmental Applicability. The applicability of this chapter is specified in Chapter 1, "Accounting Overview." b. DOE Contractors. This chapter does not apply to contractors. 3. REQUIREMENTS. a. Federal Credit Reform Act. The policies and procedures for credit programs reflect the requirements of the "Federal Credit Reform Act of 1990 (FCRA)," as amended. The FCRA is found

462

Joint Staff, and J-Directorate Directives  

E-Print Network (OSTI)

1. Purpose a. To provide the process and procedures for handling the transition and reconciliation of USJFCOM issuances into CJCS/Joint Staff directives in accordance with (IAW) references a and b. b. For the purpose of this notice, the word “issuances ” refers to USJFCOM policy documents, and the word “directives ” refers to Joint Staff policy documents. 2. Cancellation. None. 3. Applicability. This notice applies to all Joint Staff personnel and to all U.S. Joint Forces Command (USJFCOM) directorates, organizations, or other subordinate activities transitioning to the Joint Staff. It does not apply to USJFCOM entities transitioning to organizations outside the Joint Staff.

Dom/sjs Cjcs Notice

2011-01-01T23:59:59.000Z

463

Direct Photons in Heavy-Ion Collisions  

E-Print Network (OSTI)

A brief overview of direct-photon measurements in ultra-relativistic nucleus-nucleus collisions is given. The results for Pb+Pb collisions at sqrt{s_NN} = 17.3 GeV and for Au+Au collisions at sqrt{s_NN} = 200 GeV are compared to estimates of the direct-photon yield from hard scattering. Both results leave room for a significant thermal photon component. A description purely based on hard scattering processes, however, is not ruled out so far.

Klaus Reygers

2006-11-06T23:59:59.000Z

464

Direct Laser Synthesis of Functional Coatings  

DOE Green Energy (OSTI)

The direct laser synthesis of functional coatings employs the irradiation of materials with short intensive laser pulses in a reactive atmosphere. The material is heated and plasma is ignited in the reactive atmosphere. This leads to an intensive interaction of the material with the reactive species and a coating is directly formed on the materials surface. By that functional coatings can be easily produced a fast way on steel, aluminium, and silicon by irradiation in nitrogen, methane, or even hydrogen. The influence of the processing parameters to the properties of the functional coatings will be presented for titanium nitride coating produced on titanium with the free electron laser.

P. Schaaf; Michelle D. Shinn; E. Carpene; J. Kaspar

2005-06-01T23:59:59.000Z

465

Extreme Scale Computing, Co-design  

NLE Websites -- All DOE Office Websites (Extended Search)

Extreme Scale Computing, Co-design Extreme Scale Computing, Co-design Informing system design, ensuring productive and efficient code Project Description To address the increasingly complex problems of the modern world, scientists at Los Alamos are pushing the scale of computing to the extreme, forming partnerships with other national laboratories and industry to develop supercomputers that can achieve "exaflop" speeds-that is, a quintillion (a million trillion) calculations per second. To put such speed in perspective, it is equivalent to 50 million laptops all working together at the same time. Researchers are also developing the interacting components of a computational system as a whole. This approach, known as computational co-design, may facilitate revolutionary designs in the next generation of supercomputers.

466

Pressure Drops Due to Silica Scaling  

DOE Green Energy (OSTI)

Experience with reinjection returns in many geothermal fields has prompted a move towards injecting waste fluids at some distance from the production field. This means that often, reinjection pipelines cover very long distances. If the waste water in the pipelines is supersaturated with respect to amorphous silica, then the deposition of silica in these pipelines is almost certain. Although the deposit may be of negligible thickness, the inner surface characteristics of the pipe will be different to those of clean mild steel. During a silica scaling experiment. geothermal brine was passed through a series of pipes of different sizes and over a period of three weeks, silica scale formed on the inner surface. The pressure drop along a distance of approximately 5m was measured by a water manometer in all test pipe sections. Significant pressure drop was observed during this time and can be correlated with the increase in the friction factor of the pipe walls due to silica scaling.

Brown, K.L.; Freeston, D.H.; Dimas, Z.O.; Slatter, A.

1995-01-01T23:59:59.000Z

467

Quantum noises and the large scale structure  

E-Print Network (OSTI)

We propose that cosmological density perturbation may originate from passive fluctuations of the inflaton, which are induced by colored quantum noise due to the coupling of the inflaton to the quantum environment. At small scales, the fluctuations grow with time to become nearly scale-invariant. However, the larger-scale modes cross out the horizon earlier and do not have enough time to grow, thus resulting in a suppression of the density perturbation. This may explain the observed low quadrupole in the CMB anisotropy data and and potentially unveil the initial time of inflation. We also discuss the implications to the running spectral index and the non-Gaussianity of the primordial density perturbation.

Wo-Lung Lee

2007-01-31T23:59:59.000Z

468

Acid treatment removes zinc sulfide scale restriction  

Science Conference Proceedings (OSTI)

This paper reports that removal of zinc sulfide (ZnS) scale with acid restored an offshore Louisiana well's production to original rates. The zinc sulfide scale was determined to be in the near well bore area. The selected acid had been proven to control iron sulfide (FeS) scales in sour wells without causing harm to surface production equipment, tubing, and other downhole hardware. The successful removal of the blockage re-established previous production rates with a 105% increase in flowing tubing pressure. On production for a number of months, a high rate, high-pressure offshore well was experiencing unusually rapid pressure and rate declines. A small sample of the restrictive material was obtained during the wire line operations. The well was subsequently shut in while a laboratory analysis determined that zinc sulfide was the major component of the obstruction.

Biggs, K. (Kerr McGee Corp., Lafayette, LA (US)); Allison, D. (Otis Engineering Corp., Lafayette, LA (US)); Ford, W.G.F. (Halliburton Co., Duncan, OK (United States))

1992-08-31T23:59:59.000Z

469

Interconnect scaling into the sub-10nm regime  

Science Conference Proceedings (OSTI)

Scaling of conventional interconnects faces two major challenges: increased effective copper resistivity at nano-scale linewidth, and degraded copper wire reliability at higher current density. Analysis shows that when the linewidth of Cu wire scales ...

Xiangyu Chen; Jiale Liang; H.-S. Philip Wong

2012-06-01T23:59:59.000Z

470

Citizen implementation of sustainability measures at the neighborhood scale  

E-Print Network (OSTI)

There is the potential for citizens to make a profound impact on the sustainability of cities at the neighborhood scale. This is the scale that people relate to spatially, economically, and socially. It is also a scale ...

Heilke, Ingrid (Ingrid Elizabeth)

2010-01-01T23:59:59.000Z

471

The Objective Analysis of Planetary-Scale Flow  

Science Conference Proceedings (OSTI)

Forecast in the medium and longer range requires an accurate forecast of the scale flow. An accurate large-scale forecast requires an accurate, large-scale, initial, objective analysis. The present study examines the accuracy of large objective ...

Roger Daley; Werner Wergen; Gerard Cats

1986-10-01T23:59:59.000Z

472

Innovation Ecosystem Development Initiative  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

U.S. Department of Energy Categorical Exclusion Determination Form Program or Field Office: Office of Energy Efficiency and Renewable Energy: Innovation Ecosystem Development Initiative Funding Opportunity Number DE-FOA-0000356 Applicant (Legal Name) University of Central Florida Location: Orlando, FL Project Title MegaWatt Ventures Proposed Action or Project Description The University of Central Florida is dedicated to creating innovative programs that accelerate the

473

Peristaltic pumps work in nano scales  

E-Print Network (OSTI)

A design for a pump is suggested which is based on well-known peristaltic pumps. In order to simply describe the operation of the proposed pump, an innovative interpretation of low Reynolds number swimmers is presented and thereafter a similar theoretical model would be suggested to quantify the behavior of the pumps. A coarse-grained molecular dynamic simulation is used to examine the theoretical predictions and measure the efficiency of the pump in nano scales. It is shown that this pump with a modest design is capable of being a good option for transport processes in nano scale.

Farnoush Farahpour; Mohammad Reza Ejtehadi

2013-08-05T23:59:59.000Z

474

A crude scaling law for lasertrons  

SciTech Connect

The lasertron is under consideration in several laboratories as a promising new source of high-power microwaves that is competitive with conventional klystrons in its properties - particularly in efficiency. In this note, a crude scaling law for high-power lasertrons is derived based on the observation that the main limiting phenomenon, the phenomenon that curtails the tube's efficiency, is debunching due to longitudinal space-charge forces acting in the electron gun. The scaling law indicates that lasertrons are quite restricted in the power they can generate at high frequencies.

Rees, J.

1987-11-01T23:59:59.000Z

475

A High Resolution Scale-of-four  

DOE R&D Accomplishments (OSTI)

A high resolution scale-of-four has been developed to be used in conjunction with the nuclear particle detection devices in applications where the counting rate is unusually high. Specifically, it is intended to precede the commercially available medium resolution scaling circuits and so decrease the resolving time of the counting system. The circuit will function reliably on continuously recurring pulses separated by less than 0.1 microseconds. It will resolve two pulses (occurring at a moderate repetition rate) which are spaced at 0.04 microseconds. A five-volt input signal is sufficient to actuate the device.

Fitch, V.

1949-08-25T23:59:59.000Z

476

Partial positive scaling transform: a separability criterion  

E-Print Network (OSTI)

The problem of constructing a necessary and sufficient condition for establishing the separability of continuous variable systems is revisited. Simon [R. Simon, Phys. Rev. Lett. 84, 2726 (2000)] pointed out that such a criterion may be constructed by drawing a parallel between the Peres' partial transpose criterion for finite dimensional systems and partial time reversal transformation for continuous variable systems. We generalize the partial time reversal transformation to a partial scaling transformation and re-examine the problem using a tomographic description of the continuous variable quantum system. The limits of applicability of the entanglement criteria obtained from partial scaling and partial time reversal are explored.

Olga V. Manko; V. I. Manko; G. Marmo; Anil Shaji; E. C. G. Sudarshan; F. Zaccaria

2005-02-14T23:59:59.000Z

477

Large-Scale PV Integration Study  

DOE Green Energy (OSTI)

This research effort evaluates the impact of large-scale photovoltaic (PV) and distributed generation (DG) output on NV Energy’s electric grid system in southern Nevada. It analyzes the ability of NV Energy’s generation to accommodate increasing amounts of utility-scale PV and DG, and the resulting cost of integrating variable renewable resources. The study was jointly funded by the United States Department of Energy and NV Energy, and conducted by a project team comprised of industry experts and research scientists from Navigant Consulting Inc., Sandia National Laboratories, Pacific Northwest National Laboratory and NV Energy.

Lu, Shuai; Etingov, Pavel V.; Diao, Ruisheng; Ma, Jian; Samaan, Nader A.; Makarov, Yuri V.; Guo, Xinxin; Hafen, Ryan P.; Jin, Chunlian; Kirkham, Harold; Shlatz, Eugene; Frantzis, Lisa; McClive, Timothy; Karlson, Gregory; Acharya, Dhruv; Ellis, Abraham; Stein, Joshua; Hansen, Clifford; Chadliev, Vladimir; Smart, Michael; Salgo, Richard; Sorensen, Rahn; Allen, Barbara; Idelchik, Boris

2011-07-29T23:59:59.000Z

478

Direct liquefaction proof-of-concept program. Topical report  

DOE Green Energy (OSTI)

This report presents the results of work conducted under the DOE Proof-of-Concept Program in direct coal liquefaction at Hydrocarbon Technologies, Inc. in Lawrenceville, New Jersey, from February 1994 through April 1995. The work includes modifications to HRI`s existing 3 ton per day Process Development Unit (PDU) and completion of the second PDU run (POC Run 2) under the Program. The 45-day POC Run 2 demonstrated scale up of the Catalytic Two-Stage Liquefaction (CTSL Process) for a subbituminous Wyoming Black Thunder Mine coal to produce distillate liquid products at a rate of up to 4 barrels per ton of moisture-ash-free coal. The combined processing of organic hydrocarbon wastes, such as waste plastics and used tire rubber, with coal was also successfully demonstrated during the last nine days of operations of Run POC-02. Prior to the first PDU run (POC-01) in this program, a major effort was made to modify the PDU to improve reliability and to provide the flexibility to operate in several alternative modes. The Kerr McGee Rose-SR{sup SM} unit from Wilsonville, Alabama, was redesigned and installed next to the U.S. Filter installation to allow a comparison of the two solids removal systems. The 45-day CTSL Wyoming Black Thunder Mine coal demonstration run achieved several milestones in the effort to further reduce the cost of liquid fuels from coal. The primary objective of PDU Run POC-02 was to scale-up the CTSL extinction recycle process for subbituminous coal to produce a total distillate product using an in-line fixed-bed hydrotreater. Of major concern was whether calcium-carbon deposits would occur in the system as has happened in other low rank coal conversion processes. An additional objective of major importance was to study the co-liquefaction of plastics with coal and waste tire rubber with coal.

Comolli, A.G.; Lee, L.K.; Pradhan, V.R. [and others

1996-12-01T23:59:59.000Z

479

Reversibility, Water-Mediated Switching, and Directed Cell Dynamics  

E-Print Network (OSTI)

Reversible switching of the complex network dynamics of proteins is mimicked in selected network glasses and compacted small carbohydrate molecules. Protein transitions occur on long time scales ~ us -ms, evocative of the exponentially large viscosities found in glass-forming supercooled liquids just above the glass transition; in searching for mechanisms for reversibly slowed "geared activation", Kauzmann was led from proteins to glasses. I show here that selected network glasses and small carbohydrate molecules can be used to model such transitions, and elucidate in particular some universal aspects of tandem repeats. The human ankyrin tandem repeat D34, with a superhelical "coiled spring" structure which has 426 residues, folds reversibly and plastically. Such molecules are too large for present transition-state numerical simulations, currently limited to ~ 100 residues solvated by ~ 3000 water molecules for times ~ ns. The transition states of D34 exhibit a surprisingly simple collective ("geared") pattern when studied by fluorescence near its center, in samples modified mutageneously along its 12 helical repeats. One can understand this "plastic" pattern by taking advantage of a symmetric 45-atom carbohydrate molecular bridge to "cross over" from proteins to inorganic network glasses. There one easily identifies gears, and can show that the collective pattern is the signature of nonlocal, water-mediated [hydro(phobic/philic)] switching. Details of the transition patterns emerge from analyzing the amino acid alpha helical repeat sequences with water-only hydrophobicity scales. Freezing and melting of monolayer water films at physiological temperatures can enable ankyrin repeats to direct cell dynamics in muscles, membranes and cytoskeletons.

J. C. Phillips

2008-03-02T23:59:59.000Z

480

Program on Technology Innovation: Small-Scale Testing of Woody and Herbaceous Biomass -Torrefaction and Pelleting  

Science Conference Proceedings (OSTI)

In fall 2009, the Electric Power Research Institute (EPRI) initiated a project to conduct small-scale testing of biomass torrefaction in order to investigate the feasibility of torrefying and pelleting different woody and herbaceous biomass feedstocks. Testing was done by Integro Earth Fuels, LLC, using a Wyssmont directly heated torrefaction reactor. The results of this research serve as a first step in determining the feasibility of using torrefaction and pelleting to improve the value of different bio...

2010-04-27T23:59:59.000Z

Note: This page contains sample records for the topic "mega-watt scale direct" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

ARM - PI Product - Cloud-Scale Vertical Velocity and Turbulent Dissipation  

NLE Websites -- All DOE Office Websites (Extended Search)

ProductsCloud-Scale Vertical Velocity and Turbulent ProductsCloud-Scale Vertical Velocity and Turbulent Dissipation Rate Retrievals Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send PI Product : Cloud-Scale Vertical Velocity and Turbulent Dissipation Rate Retrievals Site(s) NSA General Description Time-height fields of retrieved in-cloud vertical wind velocity and turbulent dissipation rate, both retrieved primarily from vertically-pointing, Ka-band cloud radar measurements. Files are available for manually-selected, stratiform, mixed-phase cloud cases observed at the North Slope of Alaska (NSA) site during periods covering the Mixed-Phase Arctic Cloud Experiment (MPACE, late September through early November 2004) and the Indirect and Semi-Direct Aerosol Campaign (ISDAC, April-early May

482

Integrating window pyranometer for beam daylighting measurements in scale-model buildings  

SciTech Connect

An experimental device has been developed to measure the total amount of solar radiation transmitted through glazed apertures in scale-model buildings. The device, an integrating window pyranometer (IWP), has two distinguishing characteristics: (1) it provides a measure of transmitted solar radiation integrated over a representative portion of the model glazing, accounting for nonuniform radiation distributions; and (2) it is spectrally independent. In applications to scale-model daylighting experiments, the IWP, together with photometric sensors mounted in the model, allows the direct measurement of the fraction of transmitted solar gains reaching the work plane as useful illumination, a convenient measure of the daylighting system performance. The IWP has been developed as part of an outdoor experimental facility to perform beam daylighting measurements in scale-model buildings. In this paper, the integrating window pyranometer is described; the results of calibration tests are presented and evaluated; the advantages and limitations of the device are discussed.

Bauman, F.; Place, W.; Thornton, J.; Howard, T.C.

1985-12-01T23:59:59.000Z

483

Solute transport predicts scaling of surface reaction rates in porous media: Applications to silicate weathering  

E-Print Network (OSTI)

We apply our theory of conservative solute transport, based on concepts from percolation theory, directly and without modification to reactive solute transport. This theory has previously been shown to predict the observed range of dispersivity values for conservative solute transport over ten orders of magnitude of length scale. We now show that the temporal dependence derived for the solute velocity accurately predicts the time-dependence for the weathering of silicate minerals over nine orders of magnitude of time scale, while its predicted length dependence agrees with data obtained for reaction rates over five orders of magnitude of length scale. In both cases, it is possible to unify lab and field results. Thus, net reaction rates appear to be limited by solute transport velocities. We suggest the possible relevance of our results to landscape evolution of the earth's terrestrial surface.

Hunt, Allen G; Ghanbarian, Behzad

2013-01-01T23:59:59.000Z

484

Scaling Relationships Based on Scaled Tank Mixing and Transfer Test Results  

SciTech Connect

This report documents the statistical analyses performed (by Pacific Northwest National Laboratory for Washington River Protection Solutions) on data from 26 tests conducted using two scaled tanks (43 and 120 inches) in the Small Scale Mixing Demonstration platform. The 26 tests varied several test parameters, including mixer-jet nozzle velocity, base simulant, supernatant viscosity, and capture velocity. For each test, samples were taken pre-transfer and during five batch transfers. The samples were analyzed for the concentrations (lbs/gal slurry) of four primary components in the base simulants (gibbsite, stainless steel, sand, and ZrO2). The statistical analyses including modeling the component concentrations as functions of test parameters using stepwise regression with two different model forms. The resulting models were used in an equivalent performance approach to calculate values of scaling exponents (for a simple geometric scaling relationship) as functions of the parameters in the component concentration models. The resulting models and scaling exponents are displayed in tables and graphically. The sensitivities of component concentrations and scaling exponents to the test parameters are presented graphically. These results will serve as inputs to subsequent work by other researchers to develop scaling relationships that are applicable to full-scale tanks.

Piepel, Gregory F.; Holmes, Aimee E.; Heredia-Langner, Alejandro

2013-09-18T23:59:59.000Z

485

Coupling pore-scale networks to continuum-scale models of porous media  

Science Conference Proceedings (OSTI)

Network modeling is a useful tool for investigating pore-scale behavior and in some cases for determining macroscopic information such as permeability, relative permeability, and capillary pressure. Physically representative network models are particularly ... Keywords: Coupling, Fractured porous media, Multiscale modeling, Network modeling, Pore-scale modeling

Matthew T. Balhoff; Karsten E. Thompson; Martin Hjortsø

2007-03-01T23:59:59.000Z

486

Linearly scaling 3D fragment method for large-scale electronic structure calculations  

Science Conference Proceedings (OSTI)

We present a new linearly scaling three-dimensional fragment (LS3DF) method for large scale ab initio electronic structure calculations. LS3DF is based on a divide-and-conquer approach, which incorporates a novel patching scheme that effectively ...

Lin-Wang Wang; Byounghak Lee; Hongzhang Shan; Zhengji Zhao; Juan Meza; Erich Strohmaier; David H. Bailey

2008-11-01T23:59:59.000Z

487

A steady-state L-mode tokamak fusion reactor : large scale and minimum scale  

E-Print Network (OSTI)

We perform extensive analysis on the physics of L-mode tokamak fusion reactors to identify (1) a favorable parameter space for a large scale steady-state reactor and (2) an operating point for a minimum scale steady-state ...

Reed, Mark W. (Mark Wilbert)

2010-01-01T23:59:59.000Z

488

Direct Semantics of Extended State Machines  

E-Print Network (OSTI)

In this paper we present semantic profiles for UML 2 state machines, which are based directly upon the structure of a state machine model, without requiring flattening or other transformations on these models. The approach addresses many of the semantic problems identified for state machines, and provides a basis for semantic analysis and proof of behavioural compatibility between state machines. 1

K. Lano; D. Clark

2007-01-01T23:59:59.000Z

489

Direct contact condensers: a literature survey  

SciTech Connect

A review is given of the literature pertinent to the design of direct contact condensers using water to condense an organic fluid. Both overall performance and fundamental concepts are examined. Recommendations are made regarding the work required to evaluate this concept for use in binary cycles for geothermal power plants.

Jacobs, H.R.; Fannar, H.

1977-02-01T23:59:59.000Z

490

Following directions using statistical machine translation  

Science Conference Proceedings (OSTI)

Mobile robots that interact with humans in an intuitive way must be able to follow directions provided by humans in unconstrained natural language. In this work we investigate how statistical machine translation techniques can be used to bridge the gap ... Keywords: human-robot interaction, instruction following, natural language, navigation, statistical machine translation

Cynthia Matuszek; Dieter Fox; Karl Koscher

2010-03-01T23:59:59.000Z

491

Power electronics substrate for direct substrate cooling  

DOE Patents (OSTI)

Systems and apparatus are provided for power electronics substrates adapted for direct substrate cooling. A power electronics substrate comprises a first surface configured to have electrical circuitry disposed thereon, a second surface, and a plurality of physical features on the second surface. The physical features are configured to promote a turbulent boundary layer in a coolant impinged upon the second surface.

Le, Khiet (Mission Viejo, CA); Ward, Terence G. (Redondo Beach, CA); Mann, Brooks S. (Redondo Beach, CA); Yankoski, Edward P. (Corona, CA); Smith, Gregory S. (Woodland Hills, CA)

2012-05-01T23:59:59.000Z

492

Direct search for WIMP dark matter  

E-Print Network (OSTI)

We will review the experimental aspects of the direct search for WIMP dark matter. In thin search, one looks in a terrestrial target for nuclear recoils produced by the impacts with WIMPs from the galatic halo. After describing the different search strategies and review the currently running experiments and the prospects of future experiments

J. Gascon

2005-04-11T23:59:59.000Z

493

Direct neutron capture and related mechanisms  

Science Conference Proceedings (OSTI)

We consider the evidence for the role of direct and related mechanisms in neutron capture at low and medium energies. Firstly, we compare the experimental data on the thermal neutron cross sections for El transitions in light nuclei with careful estimates of direct capture. Over the full range of light nuclei with small cross sections direct capture is found to be the predominant mechanism, in some cases being remarkable accurate, but in a few showing evidence for collective effects. When resonance effects become substantial there is evidence for an important contribution from the closely related valence mechanism, but full agreement with the data in such cases appears to require the introduction of a more generalised valence model. The possibility of direct and valence mechanisms playing a role in M1 capture is studied, and it is concluded that in light nuclei at relatively low gamma ray energies, it does indeed play some role. In heavier nuclei it appears that the evidence, especially from the correlations between E1 and M1 transitions to the same final states, favours the hypothesis that the main transition strength is governed by the M1 giant resonance. 31 refs., 2 tabs.

Lynn, J.E. (Los Alamos National Lab., NM (USA)); Raman, S. (Oak Ridge National Lab., TN (USA))

1990-01-01T23:59:59.000Z

494

European energy policy: directives and action plans  

Science Conference Proceedings (OSTI)

The European secondary legislation sets a legislative framework for the internal Energy market. Moreover different papers are adopted to supplement the directives. The goal of the EU policy is to assure the security of supply; additionally, Europe deals ... Keywords: EU energy policy, internal market, security of supply, sustainability

V. Pozeb; D. Gori?anec; J. Krope

2011-07-01T23:59:59.000Z

495

DIRECT ENERGY CONVERSION DEVICES. A Literature Search  

SciTech Connect

A bibliography comprising 208 unclassified references is presented on nuclear direct energy conversion devices. Major emphasis is placed on auxiliary power devices suitable for use in satellites including reports on nuclear batteries, thermoelectric cells, thermionic conversron and aspects of the SNAP program. (J.R.D.)

Raleigh, H.D. comp.

1961-03-01T23:59:59.000Z

496

Direct numerical simulation of evaporating droplets  

Science Conference Proceedings (OSTI)

A model for the three-dimensional direct numerical simulation of evaporating, deforming droplets in incompressible flow is presented. It is based on the volume-of-fluid method and is