Sample records for water path lwp

  1. MWRRET Value-Added Product: The Retrieval of Liquid Water Path and Precipitable Water Vapor from Microwave Radiometer (MWR) Data Sets (Revision 2)

    SciTech Connect (OSTI)

    Gaustad, KL; Turner, DD; McFarlane, SA

    2011-07-25T23:59:59.000Z

    This report provides a short description of the Atmospheric Radiation Measurement (ARM) Climate Research Facility microwave radiometer (MWR) Retrieval (MWRRET) value-added product (VAP) algorithm. This algorithm utilizes a complementary physical retrieval method and applies brightness temperature offsets to reduce spurious liquid water path (LWP) bias in clear skies resulting in significantly improved precipitable water vapor (PWV) and LWP retrievals. We present a general overview of the technique, input parameters, output products, and describe data quality checks. A more complete discussion of the theory and results is given in Turner et al. (2007b).

  2. New Technique for Retrieving Liquid Water Path over Land using Satellite Microwave Observations

    SciTech Connect (OSTI)

    Deeter, M.N.; Vivekanandan, J.

    2005-03-18T23:59:59.000Z

    We present a new methodology for retrieving liquid water path over land using satellite microwave observations. As input, the technique exploits the Advanced Microwave Scanning Radiometer for earth observing plan (EOS) (AMSR-E) polarization-difference signals at 37 and 89 GHz. Regression analysis performed on model simulations indicates that over variable atmospheric and surface conditions the polarization-difference signals can be simply parameterized in terms of the surface emissivity polarization difference ({Delta}{var_epsilon}), surface temperature, liquid water path (LWP), and precipitable water vapor (PWV). The resulting polarization-difference parameterization (PDP) enables fast and direct (noniterative) retrievals of LWP with minimal requirements for ancillary data. Single- and dual-channel retrieval methods are described and demonstrated. Data gridding is used to reduce the effects of instrumental noise. The methodology is demonstrated using AMSR-E observations over the Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) site during a six day period in November and December, 2003. Single- and dual-channel retrieval results mostly agree with ground-based microwave retrievals of LWP to within approximately 0.04 mm.

  3. Transition Path Sampling of Water Exchange Rates and Mechanisms...

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

    Path Sampling of Water Exchange Rates and Mechanisms around Aqueous Ions . Transition Path Sampling of Water Exchange Rates and Mechanisms around Aqueous Ions . Abstract: The rates...

  4. Water Evaporation: A Transition Path Sampling Study

    E-Print Network [OSTI]

    Patrick Varilly; David Chandler

    2012-10-11T23:59:59.000Z

    We use transition path sampling to study evaporation in the SPC/E model of liquid water. Based on thousands of evaporation trajectories, we characterize the members of the transition state ensemble (TSE), which exhibit a liquid-vapor interface with predominantly negative mean curvature at the site of evaporation. We also find that after evaporation is complete, the distributions of translational and angular momenta of the evaporated water are Maxwellian with a temperature equal to that of the liquid. To characterize the evaporation trajectories in their entirety, we find that it suffices to project them onto just two coordinates: the distance of the evaporating molecule to the instantaneous liquid-vapor interface, and the velocity of the water along the average interface normal. In this projected space, we find that the TSE is well-captured by a simple model of ballistic escape from a deep potential well, with no additional barrier to evaporation beyond the cohesive strength of the liquid. Equivalently, they are consistent with a near-unity probability for a water molecule impinging upon a liquid droplet to condense. These results agree with previous simulations and with some, but not all, recent experiments.

  5. Peakons arising as particle paths beneath small-amplitude water waves

    E-Print Network [OSTI]

    Delia Ionescu-Kruse

    2011-06-20T23:59:59.000Z

    We present a new kind of particle path in constant vorticity water of finite depth, within the framework of small-amplitude waves.

  6. Calculation of heat capacities of light and heavy water by path-integral molecular dynamics

    E-Print Network [OSTI]

    Nielsen, Steven O.

    Calculation of heat capacities of light and heavy water by path-integral molecular dynamics-integral molecular dynamics has been used to calculate the constant-volume heat capacities of light and heavy water

  7. VALIDATION OF CLOUD LIQUID WATER PATH RETRIEVALS FROM SEVIRI USING ONE YEAR OF

    E-Print Network [OSTI]

    Haak, Hein

    from microwave radiometer (MWR) measurements of two CloudNET stations in Northern Europe. The MWR retrievals from SEVIRI. The daily median LWP values from SEVIRI and MWR are highly correlated (corr. > 0 winter. 1. Introduction Clouds strongly modulate the energy balance of the Earth and its atmosphere

  8. New Approach to Modelling Water Paths in Managed Rainforests Nick A CHAPPELL*1

    E-Print Network [OSTI]

    Chappell, Nick A

    pathways (e.g., pressure and kinematic waves) would require much re-programming and reNew Approach to Modelling Water Paths in Managed Rainforests Nick A CHAPPELL*1 , Wlodek TYCH1 for such forecasts. Limits to catchment models using micro-scale physics: When using catchment models based on soil-water

  9. GEOSTAR-II: A PROTOTYPE WATER VAPOR IMAGER/SOUNDER FOR THE PATH Todd Gaier1

    E-Print Network [OSTI]

    Ruf, Christopher

    GEOSTAR-II: A PROTOTYPE WATER VAPOR IMAGER/SOUNDER FOR THE PATH MISSION Todd Gaier1 , Bjorn Lambrigtsen1 , Pekka Kangaslahti1 , Boon Lim1 , Alan Tanner1 , Dennis Harding1 , Heather Owen1 , Mary Soria1 GHz water line. The preferred concept to meet this requirement is an interferometric imager

  10. Loveland Water & Power- Home Energy Audit Rebate Program (Colorado)

    Broader source: Energy.gov [DOE]

    Loveland Water and Power (LWP) is providing an incentive for customers living in single-family detached homes or attached townhouses that wish to upgrade the energy efficiency of eligible homes....

  11. On the streamlines and particle paths of gravitational water waves

    E-Print Network [OSTI]

    Mats Ehrnstrom

    2007-12-04T23:59:59.000Z

    We investigate steady symmetric gravity water waves on finite depth. For non-positive vorticity it is shown that the particles display a mean forward drift, and for a class of waves we prove that the size of this drift is strictly increasing from bottom to surface. We also provide detailed information concerning the streamlines and the particle trajectories. This includes the case of particles within irrotational waves.

  12. Nuclear quantum effects in liquid water from path-integral simulations using an ab initio force matching approach

    E-Print Network [OSTI]

    Thomas Spura; Christopher John; Scott Habershon; Thomas D. KŁhne

    2014-02-06T23:59:59.000Z

    We have applied path integral simulations, in combination with new ab initio based water potentials, to investigate nuclear quantum effects in liquid water. Because direct ab initio path integral simulations are computationally expensive, a flexible water model is parameterized by force-matching to density functional theory-based molecular dynamics simulations. The resulting effective potentials provide an inexpensive replacement for direct ab inito molecular dynamics simulations and allow efficient simulation of nuclear quantum effects. Static and dynamic properties of liquid water at ambient conditions are presented and the role of nuclear quantum effects, exchange-correlation functionals and dispersion corrections are discussed in regards to reproducing the experimental properties of liquid water.

  13. Large Scale Ice Water Path and 3-D Ice Water Content

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Liu, Guosheng

    Cloud ice water concentration is one of the most important, yet poorly observed, cloud properties. Developing physical parameterizations used in general circulation models through single-column modeling is one of the key foci of the ARM program. In addition to the vertical profiles of temperature, water vapor and condensed water at the model grids, large-scale horizontal advective tendencies of these variables are also required as forcing terms in the single-column models. Observed horizontal advection of condensed water has not been available because the radar/lidar/radiometer observations at the ARM site are single-point measurement, therefore, do not provide horizontal distribution of condensed water. The intention of this product is to provide large-scale distribution of cloud ice water by merging available surface and satellite measurements. The satellite cloud ice water algorithm uses ARM ground-based measurements as baseline, produces datasets for 3-D cloud ice water distributions in a 10 deg x 10 deg area near ARM site. The approach of the study is to expand a (surface) point measurement to an (satellite) areal measurement. That is, this study takes the advantage of the high quality cloud measurements at the point of ARM site. We use the cloud characteristics derived from the point measurement to guide/constrain satellite retrieval, then use the satellite algorithm to derive the cloud ice water distributions within an area, i.e., 10 deg x 10 deg centered at ARM site.

  14. Microwave and Millimeter-Wave Radiometric Studies of Temperature, Water Vapor and Clouds

    SciTech Connect (OSTI)

    Westwater, Edgeworth

    2011-05-06T23:59:59.000Z

    The importance of accurate measurements of column amounts of water vapor and cloud liquid has been well documented by scientists within the Atmospheric Radiation Measurement (ARM) Program. At the North Slope of Alaska (NSA), both microwave radiometers (MWR) and the MWRProfiler (MWRP), been used operationally by ARM for passive retrievals of the quantities: Precipitable Water Vapor (PWV) and Liquid Water Path (LWP). However, it has been convincingly shown that these instruments are inadequate to measure low amounts of PWV and LWP. In the case of water vapor, this is especially important during the Arctic winter, when PWV is frequently less than 2 mm. For low amounts of LWP (< 50 g/m{sup 2}), the MWR and MWRP retrievals have an accuracy that is also not acceptable. To address some of these needs, in March-April 2004, NOAA and ARM conducted the NSA Arctic Winter Radiometric Experiment - Water Vapor Intensive Operational Period at the ARM NSA/Adjacent Arctic Ocean (NSA/AAO) site. After this experiment, the radiometer group at NOAA moved to the Center for Environmental Technology (CET) of the Department of Electrical and Computer Engineering of the University of Colorado at Boulder. During this 2004 experiment, a total of 220 radiosondes were launched, and radiometric data from 22.235 to 380 GHz were obtained. Primary instruments included the ARM MWR and MWRP, a Global Positioning System (GPS), as well as the CET Ground-based Scanning Radiometer (GSR). We have analyzed data from these instruments to answer several questions of importance to ARM, including: (a) techniques for improved water vapor measurements; (b) improved calibration techniques during cloudy conditions; (c) the spectral response of radiometers to a variety of conditions: clear, liquid, ice, and mixed phase clouds; and (d) forward modeling of microwave and millimeter wave brightness temperatures from 22 to 380 GHz. Many of these results have been published in the open literature. During the third year of this contract, we participated in another ARM-sponsored experiment at the NSA during February-March 2007. This experiment is called the Radiative Heating in Underexplored Bands Campaign (RHUBC) and the GSR was operated successfully for the duration of the campaign. One of the principal goals of the experiment was to provide retrievals of water vapor during PWV amounts less than 2 mm and to compare GSR data with ARM radiometers and radiosondes. A secondary goal was to compare the radiometric response of the microwave and millimeter wavelength radiometers to water and ice clouds. In this final report, we will include the separate progress reports for each of the three years of the project and follow with a section on major accomplishments of the project.

  15. Final Scientific/Technical Report. A closed path methane and water vapor gas analyzer

    SciTech Connect (OSTI)

    Liukang, Xu; Dayle, McDermitt; Tyler, Anderson; Brad, Riensche; Anatoly, Komissarov; Julie, Howe

    2012-05-01T23:59:59.000Z

    Robust, economical, low-power and reliable closed-path methane (CH4), carbon dioxide (CO2), and water vapor (H2O) analyzers suitable for long-term measurements are not readily available commercially. Such analyzers are essential for quantifying the amount of CH4 and CO2 released from various ecosystems (wetlands, rice paddies, forests, etc.) and other surface contexts (e.g. landfills, animal husbandry lots, etc.), and for understanding the dynamics of the atmospheric CH4 and CO2 budget and their impact on climate change and global warming. The purpose of this project is to develop a closed-path methane, carbon dioxide gas and water vapor analyzer capable of long-term measurements in remote areas for global climate change and environmental research. The analyzer will be capable of being deployed over a wide range of ecosystems to understand methane and carbon dioxide exchange between the atmosphere and the surface. Measurements of methane and carbon dioxide exchange need to be made all year-round with limited maintenance requirements. During this Phase II effort, we successfully completed the design of the electronics, optical bench, trace gas detection method and mechanical infrastructure. We are using the technologies of two vertical cavity surface emitting lasers, a multiple-pass Herriott optical cell, wavelength modulation spectroscopy and direct absorption to measure methane, carbon dioxide, and water vapor. We also have designed the instrument application software, Field Programmable Gate Array (FPGA), along with partial completion of the embedded software. The optical bench has been tested in a lab setting with very good results. Major sources of optical noise have been identified and through design, the optical noise floor is approaching -60dB. Both laser modules can be temperature controlled to help maximize the stability of the analyzer. Additionally, a piezo electric transducer has been utilized to randomize the noise introduced from potential etalons. It is expected that all original specifications contained within the initial proposal will be met. We are currently in the beginning stages of assembling the first generation prototypes and finalizing the remaining design elements. The first prototypes will initially be tested in our environmental calibration chamber in which specific gas concentrations, temperature and humidity levels can be controlled. Once operation in this controlled setting is verified, the prototypes will be deployed at LI-COR√?¬Ę√?¬?√?¬?s Experimental Research Station (LERS). Deployment at the LERS site will test the instrument√?¬Ę√?¬?√?¬?s robustness in a real-world situation.

  16. The Roles of Cloud Drop Effective Radius and LWP in Determining Rain Properties in Marine Stratocumulus

    SciTech Connect (OSTI)

    Rosenfeld, Daniel; Wang, Hailong; Rasch, Philip J.

    2012-07-04T23:59:59.000Z

    Numerical simulations described in previous studies showed that adding cloud condensation nuclei to marine stratocumulus can prevent their breakup from closed into open cells. Additional analyses of the same simulations show that the suppression of rain is well described in terms of cloud drop effective radius (re). Rain is initiated when re near cloud top is around 12-14 um. Cloud water starts to get depleted when column-maximum rain intensity (Rmax) exceeds 0.1 mm h-1. This happens when cloud-top re reaches 14 um. Rmax is mostly less than 0.1 mm h-1 at re<14 um, regardless of the cloud water path, but increases rapidly when re exceeds 14 um. This is in agreement with recent aircraft observations and theoretical observations in convective clouds so that the mechanism is not limited to describing marine stratocumulus. These results support the hypothesis that the onset of significant precipitation is determined by the number of nucleated cloud drops and the height (H) above cloud base within the cloud that is required for cloud drops to reach re of 14 um. In turn, this can explain the conditions for initiation of significant drizzle and opening of closed cells providing the basis for a simple parameterization for GCMs that unifies the representation of both precipitating and non-precipitating clouds as well as the transition between them. Furthermore, satellite global observations of cloud depth (from base to top), and cloud top re can be used to derive and validate this parameterization.

  17. Spatial association between the locations of roots and water flow paths in highly structured soil

    E-Print Network [OSTI]

    Gardiner, Nathan Thomas

    2005-02-17T23:59:59.000Z

    the smallest (> 1 mm diameter) roots were not randomly distributed. The results did show that the larger roots were not randomly distributed, and evidence pointed to a clustering of roots in and around the dye stained flow paths. However, the data fell short...

  18. Solar Water Heater Roadmap Leads Path to Market Expansion (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2012-09-01T23:59:59.000Z

    Innovative strategy to reduce installed cost of solar water heater systems can rival conventional natural gas water heaters in the marketplace.

  19. Groundwater Treatment at the Fernald Preserve: Status and Path Forward for the Water Treatment Facility - 12320

    SciTech Connect (OSTI)

    Powel, J. [U.S. Department of Energy Office of Legacy Management, Harrison, Ohio (United States); Hertel, B.; Glassmeyer, C.; Broberg, K. [S.M. Stoller Corporation, Harrison, Ohio (United States)

    2012-07-01T23:59:59.000Z

    Operating a water treatment facility at the Fernald Preserve in Cincinnati, Ohio-to support groundwater remediation and other wastewater treatment needs-has become increasingly unnecessary. The Fernald Preserve became a U.S. Department of Energy Office of Legacy Management (LM) site in November 2006, once most of the Comprehensive Environmental Response, Compensation, and Liability Act environmental remediation and site restoration had been completed. Groundwater remediation is anticipated to continue beyond 2020. A portion of the wastewater treatment facility that operated during the CERCLA cleanup continued to operate after the site was transferred to LM, to support the remaining groundwater remediation effort. The treatment facility handles the site's remaining water treatment needs (for groundwater, storm water, and wastewater) as necessary, to ensure that uranium discharge limits specified in the Operable Unit 5 Record of Decision are met. As anticipated, the need to treat groundwater to meet uranium discharge limits has greatly diminished over the last several years. Data indicate that the groundwater treatment facility is no longer needed to support the ongoing aquifer remediation effort. (authors)

  20. Evaluation of the Daylight Cycle of Model-Predicted Cloud Amount and Condensed Water Path over Europe with Observations from MSG SEVIRI

    E-Print Network [OSTI]

    Stoffelen, Ad

    Evaluation of the Daylight Cycle of Model-Predicted Cloud Amount and Condensed Water Path over accurate information on diurnal cycles during daylight hours of cloud properties over land and ocean surfaces. This paper evaluates the daylight cycle of CA and CWP as predicted by the Regional Atmospheric

  1. Design of a Shadowband Spectral Radiometer for the Retrieval of Thin Cloud Optical Depth, Liquid Water Path, and the Effective Radius

    SciTech Connect (OSTI)

    Bartholomew M. J.; Reynolds, R. M.; Vogelmann, A. M.; Min, Q.; Edwards, R.; Smith, S.

    2011-11-01T23:59:59.000Z

    The design and operation of a Thin-Cloud Rotating Shadowband Radiometer (TCRSR) described here was used to measure the radiative intensity of the solar aureole and enable the simultaneous retrieval of cloud optical depth, drop effective radius, and liquid water path. The instrument consists of photodiode sensors positioned beneath two narrow metal bands that occult the sun by moving alternately from horizon to horizon. Measurements from the narrowband 415-nm channel were used to demonstrate a retrieval of the cloud properties of interest. With the proven operation of the relatively inexpensive TCRSR instrument, its usefulness for retrieving aerosol properties under cloud-free skies and for ship-based observations is discussed.

  2. Rapid Migration of Radionuclides Leaked from High-Level Water Tanks; A Study of Salinity Gradients, Wetted Path Geometry and Water Vapor Transport

    SciTech Connect (OSTI)

    Anderson l. Ward; Glendon W. Gee; John S. Selker; Clay Cooper

    2002-04-24T23:59:59.000Z

    The basis of this study was the hypothesis that the physical and chemical properties of hypersaline tank waste could lead to wetting from instability and fingered flow following a tank leak. Thus, the goal of this project was to develop an understanding of the impacts of the properties of hypersaline fluids on transport through the unsaturated zone beneath Hanford's Tank Farms. There were three specific objectives (i) to develop an improved conceptualization of hypersaline fluid transport in laboratory (ii) to identify the degree to which field conditions mimic the flow processes observed in the laboratory and (iii) to provide a validation data set to establish the degree to which the conceptual models, embodied in a numerical simulator, could explain the observed field behavior. As hypothesized, high ionic strength solutions entering homogeneous pre-wetted porous media formed unstable wetting fronts atypical of low ionic strength infiltration. In the field, this mechanism could for ce flow in vertical flow paths, 5-15 cm in width, bypassing much of the media and leading to waste penetration to greater depths than would be predicted by current conceptual models. Preferential flow may lead to highly accelerated transport through large homogeneous units, and must be included in any conservative analysis of tank waste losses through coarse-textured units. However, numerical description of fingered flow using current techniques has been unreliable, thereby precluding tank-scale 3-D simulation of these processes. A new approach based on nonzero, hysteretic contract angles and fluid-dependent liquid entry has been developed for the continuum scale modeling of fingered flow. This approach has been coupled with and adaptive-grid finite-difference solver to permit the prediction of finger formation and persistence form sub centimeter scales to the filed scale using both scalar and vector processors. Although laboratory experiments demonstrated that elevated surface tens ion of imbibing solutions can enhance vertical fingered flow, this phenomenon was not observed in the field. Field tests showed that the fingered flow behavior was overwhelmed by the variability in texture resulting from differences in the depositional environment. Field plumes were characterized by lateral spreading with an average width to depth aspect ratio of 4. For both vertical fingers and lateral flow, the high ionic strength contributed to the vapor phase dilution of the waste, which increased waste volume and pushed the wetting from well beyond what would have occurred if the volume of material had remained unchanged from that initially released into the system. It was also observed that following significant vapor-phase dilution of this waste simulants that streams of colloids were ejected from the sediment surfaces. It was shown that due to the high-sodium content of the tank wastes the colloids were deflocculated below a critical salt concentration in Hanford sediments. Th e released colloids, which at the site would be expected to carry the bulk of the sorbed heavy metals and radioisotopes, were mobile though coarse Hanford sediments, but clogged finer layers. The developments resulting from this study are already being applied at Hanford in the nonisothermal prediction of the hypersaline, high pH waste migration in tank farms and in the development of inverse methods for history matching under DOE's Groundwater/Vadose Zone Integration Project at Hanford.

  3. Rapid Migration of Radionuclides Leaked from High-Level Water Tanks: A Study of Salinity Gradients, Wetted Path Geometry and Water Vapor Transport

    SciTech Connect (OSTI)

    Anderson L. Ward; Glendon W. Gee; John S. Selker; Caly Cooper

    2002-04-24T23:59:59.000Z

    The basis of this study was the hypothesis that the physical and chemical properties of hypersaline tank waste could lead to wetting from instability and fingered flow following a tank leak. Thus, the goal of this project was to develop an understanding of the impacts of the properties of hypersaline fluids on transport through the unsaturated zone beneath Hanford's Tank Farms. There were three specific objectives (i) to develop an improved conceptualization of hypersaline fluid transport in laboratory (ii) to identify the degree to which field conditions mimic the flow processes observed in the laboratory and (iii) to provide a validation data set to establish the degree to which the conceptual models, embodied in a numerical simulator, could explain the observed field behavior. As hypothesized, high ionic strength solutions entering homogeneous pre-wetted porous media formed unstable wetting fronts a typical of low ionic strength infiltration. In the field, this mechanism could force flow in vertical flow paths, 5-15 cm in width, bypassing much of the media and leading to waste penetration to greater depths than would be predicted by current conceptual models. Preferential flow may lead to highly accelerated transport through large homogeneous units, and must be included in any conservative analysis of tank waste losses through coarse-textured units. However, numerical description of fingered flow using current techniques has been unreliable, thereby precluding tank-scale 3-D simulation of these processes. A new approach based on nonzero, hysteretic contact angles and fluid-dependent liquid entry has been developed for the continuum scale modeling of fingered flow. This approach has been coupled with and adaptive-grid finite-difference solver to permit the prediction of finger formation and persistence form sub centimeter scales to the filed scale using both scalar and vector processors. Although laboratory experiments demonstrated that elevated surface tension of imbibing solutions can enhance vertical fingered flow, this phenomenon was not observed in the field. Field tests of showed that the fingered flow behavior was overwhelmed by the variability in texture resulting from differences in the depositional environment. Field plumes were characterized by lateral spreading with an average width to depth aspect ratio of 4. For both vertical fingers and lateral flow, the high ionic strength contributed to the vapor phase dilution of the waste, which increased waste volume and pushed the wetting from well beyond what would have occurred if the volume of material had remained unchanged from that initially released into the system. It was also observed that following significant vapor-phase dilution of the waste simulants that streams of colloids were ejected from the sediment surfaces. It was shown that due to the high-sodium content of the tank wastes the colloids were deflocculated below a critical salt concentration in Hanford sediment s. The released colloids, which at the site would be expected to carry the bulk of the sorbed heavy metals and radioisotopes, were mobile though coarse Hanford sediments, but clogged finer layers. The developments resulting from this study are already being applied at Hanford in the nonisothermal prediction of the hypersaline, high pH waste migration in tank farms and in the development of inverse methods for history matching under DOE's Groundwater/Vadose Zone Integration Project at Hanford.

  4. ARM - Measurement - Ice water path

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc Documentation RUC : XDCResearch Related InformationAciddroplet sizeGeometry ARMphasenucleipath

  5. ARM - Measurement - Liquid water path

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc Documentation RUC : XDCResearch Relatedcontent ARM Data Discovery Browse Data Comments? We

  6. Word Pro - __Outline.lwp

    Office of Scientific and Technical Information (OSTI)

    Store well unpubl. data, IDWR 1987 312 05201987 unknown 2425731 1446604 117 Ken Smith well 125 09172011 static 2425708 1447135 309 SMU DDH-3 two points only 131 0804...

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    Gasoline and Diesel Fuel Update (EIA)

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    Gasoline and Diesel Fuel Update (EIA)

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    Gasoline and Diesel Fuel Update (EIA)

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    Gasoline and Diesel Fuel Update (EIA)

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    Gasoline and Diesel Fuel Update (EIA)

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    Gasoline and Diesel Fuel Update (EIA)

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    Gasoline and Diesel Fuel Update (EIA)

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    Gasoline and Diesel Fuel Update (EIA)

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    Gasoline and Diesel Fuel Update (EIA)

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    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ <Information Administration (EIA) 10 MECS Survey Data9c :0.17.1Year3

  1. Tortuous path chemical preconcentrator

    DOE Patents [OSTI]

    Manginell, Ronald P. (Albuquerque, NM); Lewis, Patrick R. (Albuquerque, NM); Adkins, Douglas R. (Albuquerque, NM); Wheeler, David R. (Albuquerque, NM); Simonson, Robert J. (Cedar Crest, NM)

    2010-09-21T23:59:59.000Z

    A non-planar, tortuous path chemical preconcentrator has a high internal surface area having a heatable sorptive coating that can be used to selectively collect and concentrate one or more chemical species of interest from a fluid stream that can be rapidly released as a concentrated plug into an analytical or microanalytical chain for separation and detection. The non-planar chemical preconcentrator comprises a sorptive support structure having a tortuous flow path. The tortuosity provides repeated twists, turns, and bends to the flow, thereby increasing the interfacial contact between sample fluid stream and the sorptive material. The tortuous path also provides more opportunities for desorption and readsorption of volatile species. Further, the thermal efficiency of the tortuous path chemical preconcentrator is comparable or superior to the prior non-planar chemical preconcentrator. Finally, the tortuosity can be varied in different directions to optimize flow rates during the adsorption and desorption phases of operation of the preconcentrator.

  2. Monitoring of Precipitable Water Vapor and Cloud Liquid Path from Scanning Microwave Radiometers During the 2003 Cloudiness Inter-Comparison Experiment

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment SurfacesResource ProgramModification andinterface of water.OrganicNov 4 5

  3. action-based path sampling: Topics by E-print Network

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

    Matter (arXiv) Summary: We use transition path sampling to study evaporation in the SPCE model of liquid water. Based on thousands of evaporation trajectories, we...

  4. Flight Path 12

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. TheEPSCI HomeTours, Programs and2 This flight path is

  5. Flight Path 14 - DANCE

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. TheEPSCI HomeTours, Programs and2 This flight path is4

  6. Flight Path 15R

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. TheEPSCI HomeTours, Programs and2 This flight path is4LR

  7. Flight Path 5

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. TheEPSCI HomeTours, Programs and2 This flight pathR

  8. (Intrusion Path Analysis)

    SciTech Connect (OSTI)

    Hardwick, R D

    1989-01-01T23:59:59.000Z

    The design and implementation of an Intrusion Path Analysis (IPA) function came about as a result of the upgrades to the security systems at the Savannah River Site (SRS), near Aiken, South Carolina. The stated requirements for IPA were broad, leaving opportunity for creative freedom during design and development. The essential elements were that it: be based on alarm and sensor state data; consider insider as well as outsider threats; be flexible and easily enabled or disabled; not be processor intensive; and provide information to the operator in the event the analysis reveals possible path openings. The final design resulted from many and varied conceptual inputs, and will be implemented in selected test areas at SRS. It fulfils the requirements and: allows selective inclusion of sensors in the analysis; permits the formation of concentric rings of protection around assets; permits the defining of the number of rings which must be breached before issuing an alert; evaluates current sensor states as well as a recent, configurable history of sensor states; considers the sensors' physical location, with respect to the concentric rings; and enables changes for maintenance without software recompilation. 3 figs.

  9. Shortest Path Algorithms: A Comparison

    E-Print Network [OSTI]

    Golden, Bruce L., 1950-

    In this note we present some computational evidence to suggest that a version of Bellman's shortest path algorithm outperforms Treesort- Dijkstra's for a certain class of networks.

  10. Collabortive Authoring of Walden's Paths

    SciTech Connect (OSTI)

    Yuanling, Dr. Li [Texas A& M University; Bogen, Paul Logasa [ORNL; Pogue, Daniel [Halliburton Energy Services; Furuta, Dr. Richard Keith [Texas A& M University; ShipmanIII, Dr. Frank Major [Texas A& M University

    2012-01-01T23:59:59.000Z

    Collaborative Authoring of Walden's Paths. Theory and Practice of Digital Libraries. Lecture Notes in Computer Sciences 2012.Lecture Notes in Computer Sciences 2012

  11. Thermoalgebras and path integral

    SciTech Connect (OSTI)

    Khanna, F.C. [Theoretical Physics Institute, University of Alberta, Edmonton, AB T6G 2J1 (Canada); TRIUMF, Vancouver, BC, V6T 2A3 (Canada)], E-mail: khanna@phys.ualberta.ca; Malbouisson, A.P.C. [Centro Brasileiro de Pesquisas Fisicas/MCT, 22290-180 Rio de Janeiro, RJ (Brazil)], E-mail: adolfo@cbpf.br; Malbouisson, J.M.C. [Instituto de Fisicas, Universidade Federal da Bahia, 40210-340 Salvador, BA (Brazil)], E-mail: jmalboui@ufba.br; Santana, A.E. [Instituto de Fisicas, Universidade de Brasilia, 70910-900 Brasilia, DF (Brazil)], E-mail: asantana@fis.unb.br

    2009-09-15T23:59:59.000Z

    Using a representation for Lie groups closely associated with thermal problems, we derive the algebraic rules of the real-time formalism for thermal quantum field theories, the so-called thermo-field dynamics (TFD), including the tilde conjugation rules for interacting fields. These thermo-group representations provide a unified view of different approaches for finite-temperature quantum fields in terms of a symmetry group. On these grounds, a path integral formalism is constructed, using Bogoliubov transformations, for bosons, fermions and non-abelian gauge fields. The generalization of the results for quantum fields in (S{sup 1}){sup d}xR{sup D-d} topology is addressed.

  12. LWP-[XXX] or MCP-[XXX

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

    applies to Department of Energy nuclear facilities and activities regulated under 10 CFR 830, Nuclear Safety Management. e. Computer programs covered by this standard are those...

  13. Structural Testing: An Introduction Flow Graphs Path Testing Conclusions Path Testing

    E-Print Network [OSTI]

    Mousavi, Mohammad

    Structural Testing: An Introduction Flow Graphs Path Testing Conclusions Path Testing Mohammad Mousavi Eindhoven University of Technology, The Netherlands Software Testing, 2013 Mousavi: Path Testing #12;Structural Testing: An Introduction Flow Graphs Path Testing Conclusions Outline Structural

  14. Structural Testing: An Introduction Flow Graphs Path Testing Conclusions Path Testing

    E-Print Network [OSTI]

    Mousavi, Mohammad

    Structural Testing: An Introduction Flow Graphs Path Testing Conclusions Path Testing Mohammad Mousavi Eindhoven University of Technology, The Netherlands Software Testing, 2012 Mousavi: Path Testing #12;Structural Testing: An Introduction Flow Graphs Path Testing Conclusions Outline Structural

  15. Hydrogen Education Curriculum Path at Michigan Technological...

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

    Curriculum Path at Michigan Technological University Hydrogen Education Curriculum Path at Michigan Technological University 2009 DOE Hydrogen Program and Vehicle Technologies...

  16. Survivable paths in multilayer networks

    E-Print Network [OSTI]

    Parandehgheibi, Marzieh

    2012-01-01T23:59:59.000Z

    We consider the problem of protection in multilayer networks. In single-layer net- works, a pair of disjoint paths can be used to provide protection for a source-destination pair. However, this approach cannot be directly ...

  17. COMPUTER SCIENCE: MISCONCEPTIONS, CAREER PATHS

    E-Print Network [OSTI]

    Hristidis, Vagelis

    COMPUTER SCIENCE: MISCONCEPTIONS, CAREER PATHS AND RESEARCH CHALLENGES School of Computing Undergraduate Student) #12;Computer Science Misconceptions Intro to Computer Science - Florida International University 2 Some preconceived ideas & stereotypes about Computer Science (CS) are quite common

  18. Collaborative Authoring of Walden's Paths

    E-Print Network [OSTI]

    Li, Yuanling

    2012-10-19T23:59:59.000Z

    The World Wide Web contains rich collections of digital materials that can be used in education and learning settings. The collaborative authoring prototype of Walden's Paths targets two groups of users: educators and learners. From the perspective...

  19. Morse theory in path space

    E-Print Network [OSTI]

    Yong Seung Cho; Soon-Tae Hong

    2007-06-01T23:59:59.000Z

    We consider the path space of a curved manifold on which a point particle is introduced in a conservative physical system with constant total energy to formulate its action functional and geodesic equation together with breaks on the path. The second variation of the action functional is exploited to yield the geodesic deviation equation and to discuss the Jacobi fields on the curved manifold. We investigate the topology of the path space using the action functional on it and its physical meaning by defining the gradient of the action functional, the space of bounded flow energy solutions and the moduli space associated with the critical points of the action functional. We also consider the particle motion on the $n$-sphere $S^{n}$ in the conservative physical system to discuss explicitly the moduli space of the path space and the corresponding homology groups.

  20. Materialization TradeOffs in Hierarchical Shortest Path Algorithms

    E-Print Network [OSTI]

    Shekhar, Shashi

    Materialization Trade­Offs in Hierarchical Shortest Path Algorithms Shashi Shekhar, Andrew Fetterer] form the kernel of many important applica­ tions including transportation; water, electric, and gas utilities; telephone networks; urban management; sewer maintenance, and irrigation canal man­ agement

  1. Testing Oil Saturation Distribution in Migration Paths Using MRI1 Jianzhao Yan 1

    E-Print Network [OSTI]

    Paris-Sud XI, Universitť de

    - 1 - Testing Oil Saturation Distribution in Migration Paths Using MRI1 Jianzhao Yan 1 , Xiaorong media, and to measure oil and water saturation. Although this technique has great advantages compared14. Using15 MRI, the oil secondary migration paths are scanned to measure the saturation distribution during

  2. Evaluation of steam path audits

    SciTech Connect (OSTI)

    Caudill, M.B. [Tri-State Generation and Transmission Association, Inc., Montrose, CO (United States); Griebenow, R.D. [SAIC, Huntersville, NC (United States)

    1995-06-01T23:59:59.000Z

    Tri-State Generation and Transmission association is the operating agent for the 1350 megawatt Craig Generating Station, located in northwestern Colorado. Tri-State has recently incorporated turbine steam path audits into their aggressive performance improvement program. The intent of the audits are to quantify and attain the most cost effective increase in turbine performance as a result of a major outage. Valuable information about performance losses in the turbine has been obtained from steam path audits conducted on the three Craig Units. However, accurate audit results often depend on the quality of measurements and the experience of the auditor. Without a second method to verify the results of a steam path audit, repairs might be performed on a non-cost effective basis, or significant performance degradations might be overlooked. In addition, an inaccurate audit may lead to erroneous expectations for performance improvements resulting from the maintenance performed during the outage.

  3. Rough Paths Theory Fabrice Baudoin

    E-Print Network [OSTI]

    2013-04-09T23:59:59.000Z

    set of lifted paths x? : [0,1] ? GN (Rd) with respect to the distance in p-variation ... as we will see, admits a canonical lift in ?p ..... esV etV = esV +tV = etV esV .

  4. THE PATH OF CARBON IN PHOTOSYNTHESIS

    E-Print Network [OSTI]

    Calvin, Melvin Nobel Prize lecture

    2008-01-01T23:59:59.000Z

    The Path ot Carbon in Photosynthesis. Science" l2J. , 476 (48 THE PATH OF CARBON IN PHOTOSYNTHESIS Melvin Calvin Nobel8-A Fig. 1. Elementary photosynthesis scheme. DES IOU OF THE

  5. THE PATH OF CARBON IN PHOTOSYNTHESIS

    E-Print Network [OSTI]

    Bassham, J.A.; Calvin, Melvin

    2008-01-01T23:59:59.000Z

    The Path of Carbon in Photosynthesis, Prentice-Hall, Ino. ,to StUdy the Products of Photosynthesis as Depending on the48 THE PATH OF CARBON IN PHOTOSYNTHESIS J. A. Bassham and

  6. Path to Self-Sustainability | Department of Energy

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

    Path to Self-Sustainability Path to Self-Sustainability Chapter 7: Path to Self-Sustainability More Documents & Publications Clean Energy Finance Guide for Residential and...

  7. Flight Path 60R - GEANIE

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. TheEPSCI HomeTours, Programs and2 This flight pathR60R

  8. Nuclear quantum effects in water

    E-Print Network [OSTI]

    Joseph A. Morrone; Roberto Car

    2008-03-25T23:59:59.000Z

    In this work, a path integral Car-Parrinello molecular dynamics simulation of liquid water is performed. It is found that the inclusion of nuclear quantum effects systematically improves the agreement of first principles simulations of liquid water with experiment. In addition, the proton momentum distribution is computed utilizing a recently developed open path integral molecular dynamics methodology. It is shown that these results are in good agreement with neutron Compton scattering data for liquid water and ice.

  9. Steam Path Audits on Industrial Steam Turbines

    E-Print Network [OSTI]

    Mitchell, D. R.

    steam Path Audits on Industrial steam Turbines DOUGLAS R. MITCHELL. ENGINEER. ENCOTECH, INC., SCHENECTADY, NEW YORK ABSTRACT The electric utility industry has benefitted from steam path audits on steam turbines for several years. Benefits... not extend the turbine outage. To assure that all of the turbine audit data are available, the audit engineer must be at the turbine site the day the steam path is first exposed. A report of the opening audit findings is generated to describe the as...

  10. Path integral evaluation of Dbrane amplitudes

    E-Print Network [OSTI]

    Shyamoli Chaudhuri

    1999-07-24T23:59:59.000Z

    We extend Polchinski's evaluation of the measure for the one-loop closed string path integral to open string tree amplitudes with boundaries and crosscaps embedded in Dbranes. We explain how the nonabelian limit of near-coincident Dbranes emerges in the path integral formalism. We give a careful path integral derivation of the cylinder amplitude including the modulus dependence of the volume of the conformal Killing group.

  11. Generating functions for plateaus in Motzkin paths

    E-Print Network [OSTI]

    Drake, Dan

    2011-01-01T23:59:59.000Z

    A plateau in a Motzkin path is a sequence of three steps: an up step, a horizontal step, then a down step. We find three different forms for the bivariate generating function for plateaus in Motzkin paths, then generalize to longer plateaus. We conclude by describing a further generalization: a continued fraction form from which one can easily derive new multivariate generating functions for various kinds of path statistics. Several examples of generating functions are given using this technique.

  12. Optimization Online - On the shortest path game

    E-Print Network [OSTI]

    Andreas Darmann

    2014-06-17T23:59:59.000Z

    Jun 17, 2014 ... Abstract: In this work we address a game theoretic variant of the shortest path problem, in which two decision makers (agents/players) move†...

  13. Methodology for Augmenting Existing Paths with Additional Parallel Transects

    SciTech Connect (OSTI)

    Wilson, John E.

    2013-09-30T23:59:59.000Z

    Visual Sample Plan (VSP) is sample planning software that is used, among other purposes, to plan transect sampling paths to detect areas that were potentially used for munition training. This module was developed for application on a large site where existing roads and trails were to be used as primary sampling paths. Gap areas between these primary paths needed to found and covered with parallel transect paths. These gap areas represent areas on the site that are more than a specified distance from a primary path. These added parallel paths needed to optionally be connected together into a single pathóthe shortest path possible. The paths also needed to optionally be attached to existing primary paths, again with the shortest possible path. Finally, the process must be repeatable and predictable so that the same inputs (primary paths, specified distance, and path options) will result in the same set of new paths every time. This methodology was developed to meet those specifications.

  14. Targeted Path Profiling: Lower Overhead Path Profiling for Staged Dynamic Optimization Systems

    E-Print Network [OSTI]

    Bashir, Rashid

    , their technique leaves a sizable fraction of paths unaccounted for. While a number of techniques have been

  15. ON LANDSCAPE FUNCTIONS ASSOCIATED WITH TRANSPORT PATHS

    E-Print Network [OSTI]

    Xia, Qinglan

    ON LANDSCAPE FUNCTIONS ASSOCIATED WITH TRANSPORT PATHS QINGLAN XIA Abstract. In this paper, we by Santambrogio in [10]. More precisely, we study landscape functions associated with a transport path be- tween for nonpositive p. We show an equivalence relation be- tween landscape functions associated with an -transport

  16. Evaluation of Calcine Disposition Path Forward

    SciTech Connect (OSTI)

    Birrer, S.A.; Heiser, M.B.

    2003-02-26T23:59:59.000Z

    This document describes an evaluation of the baseline and two alternative disposition paths for the final disposition of the calcine wastes stored at the Idaho Nuclear Technology and Engineering Center at the Idaho National Engineering and Environmental Laboratory. The pathways are evaluated against a prescribed set of criteria and a recommendation is made for the path forward.

  17. Evaluation of Calcine Disposition - Path Forward

    SciTech Connect (OSTI)

    Steve Birrer

    2003-02-01T23:59:59.000Z

    This document describes an evaluation of the baseline and two alternative disposition paths for the final disposition of the calcine wastes stored at the Idaho Nuclear Technology and Engineering Center at the Idaho National Engineering and Environmental Laboratory. The pathways are evaluated against a prescribed set of criteria and a recommendation is made for the path forward.

  18. Mach flow angularity probes for scramjet engine flow path diagnostics

    SciTech Connect (OSTI)

    Jalbert, P.A.; Hiers, R.S. Jr. [Sverdrup Technology, Inc., Arnold AFS, TN (United States)

    1993-12-31T23:59:59.000Z

    Mach-flow angularity (MFA) probes were developed for use in scramjet flow path probe rakes. Prototype probes were fabricated to demonstrate the assembly processes (numerical control machining, furnace brazing, and electron beam welding). Tests of prototype probes confirmed the thermal durability margins and life cycle. Selected probes were calibrated in air at Mach numbers from 1.75 to 6.0. Acceptance criteria for the production probes stressed thermal durability and pressure (and, consequently, Mach number) measurement quality. This new water-cooled MFA probe has 0.397-cm shaft diameter and is capable of withstanding heat fluxes of 2.724 kW/sq cm.

  19. Compiling Path Expressions into VLSI Circuits `I`. S. Annntharaman

    E-Print Network [OSTI]

    Clarke, Edmund M.

    -timed. Ncvcrthdcss. UK circuits produced by our construction have area propordonal to N slog(N) whcrc N is the total expression: path R, + Wend, path R, + Wend. `fhc first path cxprcssion prohibits a read operation

  20. Inquiry-based learning templates for creating online educational paths

    E-Print Network [OSTI]

    Davis, Sarah Alice

    2006-10-30T23:59:59.000Z

    experience collected during a comparative study where users created Inquiry-based paths using the current Walden?s Paths? system or the template-based authoring tool. 4 2. RELATED WORK Education-oriented template-based path authoring...

  1. Multi-Path Transportation Futures Study - Lessons for the Transportati...

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

    Multi-Path Transportation Futures Study - Lessons for the Transportation Energy Futures Study Multi-Path Transportation Futures Study - Lessons for the Transportation Energy...

  2. The Path of the Blind Watchmaker: A Model of Evolution

    E-Print Network [OSTI]

    Poggio, Andrew Anthony

    2011-01-01T23:59:59.000Z

    path of the blind watchmaker. This thesis presents a novelBlind WatchMaker Path (BWMPath) BWMPath contains the bulk of the software written for this thesis,

  3. Path of Carbon in Photosynthesis III

    E-Print Network [OSTI]

    Benson, A.A.; Calvin, M.

    2008-01-01T23:59:59.000Z

    TIIE PAT3 OF C R O IN PHOTOSYNTHESIS A B K A. A. Benson andin the early products of photosynthesis, we Stepka, W. , inP THE PATH OF CARBON IN PHOTOSYNTHESIS. 111. BY A. A. Benson

  4. Non-classical paths in interference experiments

    E-Print Network [OSTI]

    Rahul Sawant; Joseph Samuel; Aninda Sinha; Supurna Sinha; Urbasi Sinha

    2014-08-09T23:59:59.000Z

    In a double slit interference experiment, the wave function at the screen with both slits open is not exactly equal to the sum of the wave functions with the slits individually open one at a time. The three scenarios represent three different boundary conditions and as such, the superposition principle should not be applicable. However, most well known text books in quantum mechanics implicitly and/or explicitly use this assumption which is only approximately true. In our present study, we have used the Feynman path integral formalism to quantify contributions from non-classical paths in quantum interference experiments which provide a measurable deviation from a naive application of the superposition principle. A direct experimental demonstration for the existence of these non-classical paths is hard. We find that contributions from such paths can be significant and we propose simple three-slit interference experiments to directly confirm their existence.

  5. SPEEDING UP DYNAMIC SHORTEST PATH ALGORITHMS Finding ...

    E-Print Network [OSTI]

    2003-09-19T23:59:59.000Z

    Sep 19, 2003 ... ... and Reps algorithm for updating a shortest path tree, which is a revision of ... tree, although it can be easily specialized for updating a tree [5].

  6. Multi-objective stochastic path planning

    E-Print Network [OSTI]

    Dasgupta, Sumantra

    2009-05-15T23:59:59.000Z

    of multiple objectives and stochastic edge parameters. 2. Identify candidate constraints where clustering based multi-level programming can be applied to eliminate infeasible edges. 3. Provide an exact O (V.E) algorithm for building redundant shortest paths. 4...

  7. ARM - Publications: Science Team Meeting Documents: Liquid water path

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth (AOD) by Microtops AtmosphericApplication andAn AssessmentARMArcticCloudvariability in temperature

  8. An Evaluation of MWR Retrievals of Liquid Water Path

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth (AOD)ProductssondeadjustsondeadjustAbout theOFFICEAmes Laboratory Site| Department of Energy An

  9. Transition Path Sampling of Water Exchange Rates and Mechanisms around

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2Topo II: AnTraining andfor aOxide Nanoparticles.

  10. Asymptotic properties of path integral ideals

    SciTech Connect (OSTI)

    Bogojevic, A.; Balaz, A.; Belic, A. [Institute of Physics, P.O. Box 57, 11001 Belgrade (Serbia and Montenegro)

    2005-09-01T23:59:59.000Z

    We introduce and analyze an interesting quantity, the path integral ideal, governing the flow of generic discrete theories to the continuum limit and greatly increasing their convergence. The said flow is classified according to the degree of divergence of the potential at spatial infinity. Studying the asymptotic behavior of path integral ideals we isolate the dominant terms in the effective potential that determine the behavior of a generic theory for large discrete time steps.

  11. The calculation of ionospheric ray paths

    E-Print Network [OSTI]

    Koehler, Buford Ray

    1967-01-01T23:59:59.000Z

    Parabolic ionospheric layer of electrons, altitude versus electron density Page 1- 2 Sample ray paths with constant angle of propagation and increasing frequency, parabolic ionosphere of electrons assumed, earth's magnetic field neglected 1- 3 Sample... ray paths with constant frequency and variable angle of propagation and range, parabolic ionosphere of electrons assumed, earth's magnetic field neglected 2- 1 The vertical and lateral deviations of a radio wave propagated in a plane ionosphere...

  12. China Energy and Emissions Paths to 2030

    E-Print Network [OSTI]

    Fridley, David

    2012-01-01T23:59:59.000Z

    of electric and gas water heaters, both of which areMEPS revisions. For gas water heaters, the energy factor islevel. For electric water heaters, continued efficiency

  13. Oxygen diffusion in titanite: Lattice diffusion and fast-path diffusion in single crystals

    E-Print Network [OSTI]

    Watson, E. Bruce

    Oxygen diffusion in titanite: Lattice diffusion and fast-path diffusion in single crystals X June 2006 Editor: P. Deines Abstract Oxygen diffusion in natural and synthetic single-crystal titanite was characterized under both dry and water-present conditions. For the dry experiments, pre-polished titanite

  14. Sparse Geodesic Paths Mark A. Davenport and Richard G. Baraniuk

    E-Print Network [OSTI]

    Sparse Geodesic Paths Mark A. Davenport and Richard G. Baraniuk Department of Electrical of the sparse geodesic path between two points, by which we mean the shortest path between the points geodesic path can be easily generated. The distance provides a natural similarity measure that can be ex

  15. Model Discrepancy in the Saturated Path Hydrology Model: Initial Analysis

    E-Print Network [OSTI]

    Oakley, Jeremy

    Model Discrepancy in the Saturated Path Hydrology Model: Initial Analysis Tom Fricker University discrepancy in the Saturated Path Hydrology Model (logSPM, Kuczera et al., 2006). The purpose). 1 #12;3 The Saturated Path Hydrology Model We consider the Saturated Path Hydrology Model (log

  16. Maximizing Crosstalk-Induced Slowdown During Path Delay Test

    E-Print Network [OSTI]

    Gope, Dibakar

    2012-10-19T23:59:59.000Z

    in path delay for c5315 .................................................................... 57 Figure 11 Increase in path delay for c2670 .................................................................... 60 Figure 12 Increase in path delay for c... for critical paths considering single aggressor crosstalk effect with due consideration to the timing alignment and direction. This method has similar CPU efficiency to that of [17] and [18]. However, they did not take into account the possible impact...

  17. PATHS: Analysis of PATH Duration Statistics and their Impact on Reactive MANET Routing Protocols

    E-Print Network [OSTI]

    Krishnamachari, Bhaskar

    PATHS: Analysis of PATH Duration Statistics and their Impact on Reactive MANET Routing Protocols Department of Electrical Engineering University of Southern California {narayans,fbai,bkrishna,helmy}@usc.edu ABSTRACT We develop a detailed approach to study how mobility im- pacts the performance of reactive MANET

  18. A Continuous-State Version of Discrete Randomized Shortest-Paths, with Application to Path Planning

    E-Print Network [OSTI]

    Del Moral , Pierre

    . It is shown that the continuous-state counterpart requires the solution of two partial differential equations, namely the backward variable. These partial differential equations are the so- called steady-state Bloch entropy [23]. The introduced path randomization allows balancing the load (number of packages) per path

  19. employment opportunities in exciting career paths

    E-Print Network [OSTI]

    Barthelat, Francois

    in the complex and increasingly sophisticated food supply system. Food Industry Public Service Technical Sales in exciting career paths Food Science Cerificate for BSc graduates Food Science Cerificate for BSc graduates. Because food science is a multidisciplinary applied science, a food science education provides a broad

  20. Current SPE Hydrodynamic Modeling and Path Forward

    SciTech Connect (OSTI)

    Knight, Earl E. [Los Alamos National Laboratory; Rougier, Esteban [Los Alamos National Laboratory

    2012-08-14T23:59:59.000Z

    Extensive work has been conducted on SPE analysis efforts: Fault effects Non-uniform weathered layer analysis MUNROU: material library incorporation, parallelization, and development of non-locking tets Development of a unique continuum-based-visco-plastic strain-rate-dependent material model With corrected SPE data path is now set for a multipronged approach to fully understand experimental series shot effects.

  1. Feasible Path Synthesis for Automated Guided Vehicles

    E-Print Network [OSTI]

    Vuik, Kees

    Feasible Path Synthesis for Automated Guided Vehicles Reijer Idema 2005 TU Delft FROG Navigation for Automated Guided Vehicles Author: Reijer Idema Supervisors: prof.dr.ir. P. Wesseling (TU Delft) dr.ir. Kees is a manufacturer of Automated Guided Vehicles. They have developed a multitude of vehicles that transport products

  2. Path Analysis Models of an Autonomous Agent

    E-Print Network [OSTI]

    Path Analysis Models of an Autonomous Agent in a Complex Environment Paul R. Cohen, David M. Hart AFOSR-91-0067. #12;1 Phoenix Phoenix is a simulated environment populated by autonomous agents) the e orts of all, a reboss. Fires burn in unpredictable ways due to wind speed and direction, terrain

  3. Nicaragua 2010 Visit to Path Nicaragua Office

    E-Print Network [OSTI]

    Anderson, Richard

    with vaccine storage ­ Temperature monitoring and alerts ­ Reporting stock levels · Partners ­ Development · Revision by external software company · Ongoing product management by Path 1/19/2010 Nicaragua 2010 6 #12 but functional and rational" 1/19/2010 23Nicaragua 2010 #12;Cell Phone Coverage · Two companies ­ Claro

  4. Nicaragua 2010 Visit to Path Nicaragua Office

    E-Print Network [OSTI]

    Anderson, Richard

    communication ­ Initial implementation SMS messages using GSM · Rural clinic with vaccine storage ­ Temperature management / forecasting tool · Initial development at Path · Revision by external software company · Ongoing but functional and rational" 1/19/2010 23Nicaragua 2010 Cell Phone Coverage · Two companies ­ Claro ­ Movistar

  5. Folded-path optical analysis gas cell

    DOE Patents [OSTI]

    Carangelo, R.M.; Wright, D.D.

    1995-08-08T23:59:59.000Z

    A folded-path gas cell employs an elliptical concave mirror in confronting relationship to two substantially spherical concave mirrors. At least one of the spherical mirrors, and usually both, are formed with an added cylindrical component to increase orthogonal foci coincidence and thereby to increase the radiation energy throughput characteristic of the cell. 10 figs.

  6. Folded-path optical analysis gas cell

    DOE Patents [OSTI]

    Carangelo, Robert M. (Glastonbury, CT); Wright, David D. (Vershire, VT)

    1995-01-01T23:59:59.000Z

    A folded-path gas cell employs an elliptical concave mirror in confronting relationship to two substantially spherical concave mirrors. At least one of the spherical mirrors, and usually both, are formed with an added cylindrical component to increase orthogonal focii coincidence and thereby to increase the radiation energy throughput characteristic of the cell.

  7. FESAC Fusion Development Path Rob Goldston

    E-Print Network [OSTI]

    Exploration/Proof of Principle IFE IREs MFE PE Exp'ts Engineering Science/ Technology Development ComponentFESAC Fusion Development Path Rob Goldston Graduate Student Seminar March 21, 2005 #12;Panel Power Associates · Robert Goldston (Chair), Princeton Plasma Physics Laboratory · Amanda Hubbard, MIT

  8. The Use of Path Integral Ideals: Deriving the Euler Summation Formula for Path Integrals

    SciTech Connect (OSTI)

    Bogojevic, Aleksandar; Balaz, Antun; Belic, Aleksandar [Institute of Physics, P. O. Box 57, 11001 Belgrade (Serbia and Montenegro)

    2006-03-29T23:59:59.000Z

    We present and comment on a new quantity that we have recently introduced: the path integral ideal. The new quantity governs the flow of a discrete quantum theory to its continuum limit. Path integral ideals satisfy a unique integral equation - the distinction between different quantum theories being in the boundary conditions. An asymptotic expansion of this equation has led to the derivation of a generalization of Euler's summation formula for path integrals. The new analytical method has brought about a systematic improvement of the convergence of path integrals. Applied to numerical procedures, the new analytical input has resulted in the speedup of numerical simulations by many orders of magnitude. On the analytical side, the integral equation for ideals may turn out to be a useful setting for extending the obtained results to a wider setting - e.g. to p-adic valued theories and theories on non-commuting space-times.

  9. China Energy and Emissions Paths to 2030

    E-Print Network [OSTI]

    Fridley, David

    2012-01-01T23:59:59.000Z

    water heaters to heat pump water heaters with energy factorheat pumps with greater efficiency 40% more efficient cooling technologies more efficient lighting more efficient water heatersheat pumps, boilers 100% OLED TVs, 0.1W standby, more efficient AC, refrigerator, washers More efficient gas water heater

  10. The Path a Proton Takes Through a Fuel Cell Membrane

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

    Path a Proton Takes Through a Fuel Cell Membrane The Path a Proton Takes Through a Fuel Cell Membrane October 11, 2012 | Tags: Basic Energy Sciences (BES), Chemistry, Franklin,...

  11. What's Next for Nuclear Energy? MIT Students Discuss Path Forward...

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

    What's Next for Nuclear Energy? MIT Students Discuss Path Forward What's Next for Nuclear Energy? MIT Students Discuss Path Forward June 19, 2012 - 10:41am Addthis Dr. Peter Lyons,...

  12. EECBG Success Story: Atlanta Suburb Greases the Path to Savings...

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

    Atlanta Suburb Greases the Path to Savings with Biodiesel EECBG Success Story: Atlanta Suburb Greases the Path to Savings with Biodiesel December 7, 2011 - 3:33pm Addthis Downtown...

  13. An Optimal Path Model for the Risk-Averse Traveler

    E-Print Network [OSTI]

    Leilei Zhang

    2014-06-11T23:59:59.000Z

    Jun 11, 2014 ... The model is suitable for a risk-averse traveler, who prefers a path with ... Citation

  14. Systematically Accelerated Convergence of Path Integrals

    SciTech Connect (OSTI)

    Bogojevic, A.; Balaz, A.; Belic, A. [Institute of Physics, P.O. Box 57, 11001 Belgrade (Serbia and Montenegro)

    2005-05-13T23:59:59.000Z

    We present a new analytical method that systematically improves the convergence of path integrals of a generic N-fold discretized theory. Using it we calculate the effective actions S{sup (p)} for p{<=}9, which lead to the same continuum amplitudes as the starting action, but that converge to that continuum limit as 1/N{sup p}. We checked this derived speedup in convergence by performing Monte Carlo simulations on several different models.

  15. Free Energy Changes, Fluctuations, and Path Probabilities

    E-Print Network [OSTI]

    William G. Hoover; Carol G. Hoover

    2011-04-20T23:59:59.000Z

    We illustrate some of the static and dynamic relations discovered by Cohen, Crooks, Evans, Jarzynski, Kirkwood, Morriss, Searles, and Zwanzig. These relations link nonequilibrium processes to equilibrium isothermal free energy changes and to dynamical path probabilities. We include ideas suggested by Dellago, Geissler, Oberhofer, and Schoell-Paschinger. Our treatment is intended to be pedagogical, for use in an updated version of our book: Time Reversibility, Computer Simulation, and Chaos. Comments are very welcome.

  16. Your path to a career in Health Care Professions

    E-Print Network [OSTI]

    Howat, Ian M.

    Your path to a career in Health Care Professions #12;H ealth care professionals have successful careers in a variety of areas. They may work in health care administration, provide patient care, or sell is not the only path to a career in health care. In the following pages, you will find that there are many paths

  17. Robot Path Planning in Uncertain Environments: A Language-Measure-

    E-Print Network [OSTI]

    Ray, Asok

    Robot Path Planning in Uncertain Environments: A Language-Measure- Theoretic Approach Devesh K. Jha the problem of goal-directed robot path planning in the presence of uncertainties that are induced by bounded, probabilistic finite state automata 1 Motivation and Introduction In general, path planning of robots (e

  18. Landmark-based Geodesic Computation for Heuristically Driven Path Planning

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Landmark-based Geodesic Computation for Heuristically Driven Path Planning Gabriel Peyr¬īe CMAP, UMR the geodesic path between two points on the surface, compution is needed on a large part of the surface when geodesic paths on images and 3D meshes. We use a heuris- tic to drive the front propagation procedure

  19. Visual servoing for path reaching with nonholonomic robots Journal: Robotica

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Visual servoing for path reaching with nonholonomic robots Journal: Robotica Manuscript ID: ROB these files (e.g. movies) online. VisionBasedPathReaching-Robotica.tex figure.tar.gz VisionBasedPathReaching.mp4 Proof for review onlyhal-00639659,version1-9Nov2011 Author manuscript, published in "Robotica 29

  20. Efficient Path Delay Test Generation with Boolean Satisfiability

    E-Print Network [OSTI]

    Bian, Kun

    2013-12-10T23:59:59.000Z

    delay test generator CodGen. A mixed structural-functional approach was implemented in CodGen where longest paths were detected using the K Longest Path Per Gate (KLPG) algorithm and path justification and dynamic compaction were handled with the SAT...

  1. Analyis of Path Profiling Information Generated with Performance Monitoring Hardware

    E-Print Network [OSTI]

    Colorado at Boulder, University of

    is to exploit hardware Performance Monitoring Units (PMUs) present in modern microprocessors. The Itanium-2 PMU can be correlated into full paths. As sta- tistically hot paths are most likely to occur in PMU sam techniques carry a high overhead, a PMU-based path profiler represents an ef- fective lightweight profiling

  2. Enhanced oil recovery through water imbibition in fractured reservoirs using Nuclear Magnetic Resonance.

    E-Print Network [OSTI]

    Hervas Ordonez, Rafael Alejandro

    2012-01-01T23:59:59.000Z

    ??Conventional waterflooding methods of oil recovery are difficult to apply when reservoirs show evidence of natural fractures, because injected water advances through paths of highÖ (more)

  3. Radial Inflow Gas Turbine Flow Path Design

    E-Print Network [OSTI]

    Samip Shah; Gaurang Chaudhri; Digvijay Kulshreshtha; S. A. Channiwalla

    Abstract:- A new method for radial inflow gas turbine flow paths design based on a unique integrated conceptual design environment AxSTREAM is presented in this paper. This integrated environment is a seamless and swift processing scheme that incorporates stages aerodynamic analysis and preliminary design/sizing based on the one dimensional method. The environment makes possible to find number of different designs with inverse task solver, basing on initially specified boundary conditions, closing conditions and design variables. Design space explorer provides easy and visual comparison for range of obtained design in customizable coordinate axes. Solution filtering on different parameters, such as meridional and axial dimensions, maximal blades weight, saving the time to choose from thousands obtained solutions the only one right design. Flexibility of presented approach allows to built-up complete gas turbine flow path from consequence of individual elements: stationary and rotating elements, ducts, heat exchangers, and analyze it in common environment. Complete control of all aspects of aerodynamic flow path quality, structural reliability, and integral performances on design and offdesign conditions is performing throughout all design process. This gives full interaction between user and system for immediate correction and enhancement of current design data using various optimization capabilities to feel the impact of changes on each design step. Integrated system AxSTREAM significantly shortening the design cycle time from initial machine concept to finalized design with all offdesign performances details. The design process is demonstrated for a 25kW radial inflow gas turbine. Keywords:- Radial Inflow Turbine, Performance Maps, AxSTREAM I.

  4. The Path to Magnetic Fusion Energy

    SciTech Connect (OSTI)

    Prager, Stewart (PPPL) [PPPL

    2011-05-04T23:59:59.000Z

    When the possibility of fusion as an energy source for electricity generation was realized in the 1950s, understanding of the plasma state was primitive. The fusion goal has been paced by, and has stimulated, the development of plasma physics. Our understanding of complex, nonlinear processes in plasmas is now mature. We can routinely produce and manipulate 100 million degree plasmas with remarkable finesse, and we can identify a path to commercial fusion power. The international experiment, ITER, will create a burning (self-sustained) plasma and produce 500 MW of thermal fusion power. This talk will summarize the progress in fusion research to date, and the remaining steps to fusion power.

  5. PathSci | Princeton Plasma Physics Lab

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006 TheSteven AshbyDepartment ofGE's E. TrifonPatentsPathSci The

  6. The path a proton takes | EMSL

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 andThe MolecularPlaceTheofThe Houseformation.The path

  7. Flight Path 15L - Chi-Nu

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. TheEPSCI HomeTours, Programs and2 This flight path is4L

  8. Flight Path 30L - ICE House

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. TheEPSCI HomeTours, Programs and2 This flight path

  9. Flight Path 30R | ICE II

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. TheEPSCI HomeTours, Programs and2 This flight pathR The

  10. EnerPath | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revisionWind,Soils andOpen EnergyBangladeshEneEnerPath

  11. ClearPath | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160Benin:EnergyWisconsin: Energy Resources JumpSouthSolarClearPath Jump to: navigation,

  12. PathScale Compliers at NERSC

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas ConchasPassive Solar Home Design Passive Solar Home Design June 24, 2013 -Past PathScale UPC

  13. China Energy and Emissions Paths to 2030

    E-Print Network [OSTI]

    Fridley, David

    2012-01-01T23:59:59.000Z

    Commercial Primary Energy Use (Mtce) More gas boiler & heat pumps with greater efficiency 40% more efficient cooling technologies more efficient lighting more efficient water heaters

  14. ARM - PI Product - Large Scale Ice Water Path and 3-D Ice Water Content

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc Documentation RUC : XDCResearchWarmingMethaneProductsCSSEF ARMBEProductsIn-SituProductsLarge

  15. DOE EM Landfill Workshop and Path Forward - July 2009

    Office of Environmental Management (EM)

    SSAB Teleconference: 2. DOE EM Landfill Workshop & Path Forward Office of Groundwater and Soil Remediation US Department of Energy July 2009 Slides prepared by CRESP DOE EM...

  16. Solution Methods for the Multi-trip Elementary Shortest Path ...

    E-Print Network [OSTI]

    2011-03-15T23:59:59.000Z

    builds partial paths, it assigns a label to each, indicating the resource .... node are used to update the elapsed time and the vehicle load (resources consumed),.

  17. Navigating Roadblocks on the Path to Advanced Biofuels Deployment

    Broader source: Energy.gov [DOE]

    Breakout Session 2: Frontiers and Horizons Session 2ĖC: Navigating Roadblocks on the Path to Advanced Biofuels Deployment Andrew Held, Senior Director of Feedstock Development, Virent, Inc.

  18. Graph Coarsening for Path Finding in Cybersecurity Graphs

    SciTech Connect (OSTI)

    Hogan, Emilie A.; Johnson, John R.; Halappanavar, Mahantesh

    2013-01-01T23:59:59.000Z

    n the pass-the-hash attack, hackers repeatedly steal password hashes and move through a computer network with the goal of reaching a computer with high level administrative privileges. In this paper we apply graph coarsening in network graphs for the purpose of detecting hackers using this attack or assessing the risk level of the network's current state. We repeatedly take graph minors, which preserve the existence of paths in the graph, and take powers of the adjacency matrix to count the paths. This allows us to detect the existence of paths as well as find paths that have high risk of being used by adversaries.

  19. UAV/UAS path planning for ice management information gathering.

    E-Print Network [OSTI]

    Stalmakou, Artsiom

    2011-01-01T23:59:59.000Z

    ??The key objective of this work is the proposition of the path planning strategy for unmanned aerial vehicle (UAV) intended for information gathering in ArcticÖ (more)

  20. The Path to Program Sustainability | Department of Energy

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

    The Path to Program Sustainability The strategies outlined below help create self-sustaining clean energy finance programs. Prove Energy Efficiency Finance as a Profitable...

  1. Construction of vertex-disjoint paths in alternating group networks

    E-Print Network [OSTI]

    Zhou, Shuming; Xiao, Wenjun; Parhami, Behrooz

    2010-01-01T23:59:59.000Z

    misplaced symbols are Construction of vertex-disjoint paths32845671 ? 23145678 ? e Construction of vertex-disjoint2164537 ? e ? 2314567 ? e Construction of vertex-disjoint

  2. Distributional properties of stochastic shortest paths for smuggled nuclear material

    SciTech Connect (OSTI)

    Cuellar, Leticia [Los Alamos National Laboratory; Pan, Feng [Los Alamos National Laboratory; Roach, Fred [Los Alamos National Laboratory; Saeger, Kevin J [Los Alamos National Laboratory

    2011-01-05T23:59:59.000Z

    The shortest path problem on a network with fixed weights is a well studied problem with applications to many diverse areas such as transportation and telecommunications. We are particularly interested in the scenario where a nuclear material smuggler tries to succesfully reach herlhis target by identifying the most likely path to the target. The identification of the path relies on reliabilities (weights) associated with each link and node in a multi-modal transportation network. In order to account for the adversary's uncertainty and to perform sensitivity analysis we introduce random reliabilities. We perform some controlled experiments on the grid and present the distributional properties of the resulting stochastic shortest paths.

  3. Hot gas path component cooling system

    DOE Patents [OSTI]

    Lacy, Benjamin Paul; Bunker, Ronald Scott; Itzel, Gary Michael

    2014-02-18T23:59:59.000Z

    A cooling system for a hot gas path component is disclosed. The cooling system may include a component layer and a cover layer. The component layer may include a first inner surface and a second outer surface. The second outer surface may define a plurality of channels. The component layer may further define a plurality of passages extending generally between the first inner surface and the second outer surface. Each of the plurality of channels may be fluidly connected to at least one of the plurality of passages. The cover layer may be situated adjacent the second outer surface of the component layer. The plurality of passages may be configured to flow a cooling medium to the plurality of channels and provide impingement cooling to the cover layer. The plurality of channels may be configured to flow cooling medium therethrough, cooling the cover layer.

  4. Steam turbine path evaluation during maintenance

    SciTech Connect (OSTI)

    Kubiak, J.; Angel, F. del; Carnero, A.; Campos, A. [Instituto de Investigaciones Electricas, Temixo, Morelos (Mexico)] [and others

    1996-07-01T23:59:59.000Z

    The deterioration of a turbine (Steam & Gas) flow path affects the efficiency of the turbine. The most critical factors which affect the efficiency of turbines are: wearing out of the trailing edges of the blades by solid particle erosion, deposits, material loss due to corrosion (also sand blast) which increases the flow area, increases in blade surface roughness, etc. Wearing out of the seals caused by shaft vibrations or rapid start-up leads to significant leakage losses. Some of these effects can be estimated with some precision during operation of the turbine, but an exact evaluation can be carried out during a maintenance applying a special fluid flow analysis program. Such a program has been developed and then adapted to achieve this goal. During maintenance the complete geometry of the steam path is measured (blades lengths, widths, angles, clearances, etc.) in the condition encountered before any corrections. Then the similar measurement is undertaken after, for example, clearance corrections, blade replacements, cleaning of the blades, etc. Using the program first of all the design data is calculated. Then the actual data is fed into the program and compared to the design data. Thus the effect of the blade surface roughness, increased seal clearances, flow area increase, solid particle damage to the trailing edge and so on for each particular stage is calculated. The effect is expressed in [kW] as a deviation from the design points. This data can be helpful during online evaluation of the turbine performance. This evaluation helps the management of the plant in undertaking the correct decision concerning the date of the next major maintenance and replacement part procurement. Many turbines in the Mexican utility have been evaluated in such a manner. Some examples are presented.

  5. Hanford spent nuclear fuel project recommended path forward, volume III: Alternatives and path forward evaluation supporting documentation

    SciTech Connect (OSTI)

    Fulton, J.C.

    1994-10-01T23:59:59.000Z

    Volume I of the Hanford Spent Nuclear Fuel Project - Recommended Path Forward constitutes an aggressive series of projects to construct and operate systems and facilities to safely retrieve, package, transport, process, and store K Basins fuel and sludge. Volume II provided a comparative evaluation of four Alternatives for the Path Forward and an evaluation for the Recommended Path Forward. Although Volume II contained extensive appendices, six supporting documents have been compiled in Volume III to provide additional background for Volume II.

  6. Reaction Path Optimization with Holonomic Constraints and Kinetic Energy Potentials

    SciTech Connect (OSTI)

    Brokaw, Jason B.; Haas, Kevin R.; Chu, Jhih-wei

    2009-08-11T23:59:59.000Z

    Two methods are developed to enhance the stability, efficiency, and robustness of reaction path optimization using a chain of replicas. First, distances between replicas are kept equal during path optimization via holonomic constraints. Finding a reaction path is, thus, transformed into a constrained optimization problem. This approach avoids force projections for finding minimum energy paths (MEPs), and fast-converging schemes such as quasi-Newton methods can be readily applied. Second, we define a new objective function - the total Hamiltonian - for reaction path optimization, by combining the kinetic energy potential of each replica with its potential energy function. Minimizing the total Hamiltonian of a chain determines a minimum Hamiltonian path (MHP). If the distances between replicas are kept equal and a consistent force constant is used, then the kinetic energy potentials of all replicas have the same value. The MHP in this case is the most probable isokinetic path. Our results indicate that low-temperature kinetic energy potentials (<5 K) can be used to prevent the development of kinks during path optimization and can significantly reduce the required steps of minimization by 2-3 times without causing noticeable differences between a MHP and MEP. These methods are applied to three test cases, the C?eq-to-Cax isomerization of an alanine dipeptide, the ?C?- to-ĻC? transition of an ?-D-glucopyranose, and the helix-to-sheet transition of a GNNQQNY heptapeptide. By applying the methods developed in this work, convergence of reaction path optimization can be achieved for these complex transitions, involving full atomic details and a large number of replicas (>100). For the case of helix-to-sheet transition, we identify pathways whose energy barriers are consistent with experimental measurements. Further, we develop a method based on the work energy theorem to quantify the accuracy of reaction paths and to determine whether the atoms used to define a path are enough to provide quantitative estimation of energy barriers.

  7. Columbia University Energy Options & Paths to Climate Stabilization

    E-Print Network [OSTI]

    Mauel, Michael E.

    -lived radioactive components. ∑ Safe: no catastrophic accidents; Low-risk for nuclear materials proliferation WhyMike Mauel Columbia University Energy Options & Paths to Climate Stabilization Aspen, 9 July 2003 Fusion Energy: "Pipe Dream or Panacea" #12;Mike Mauel Columbia University Energy Options & Paths

  8. A middle path for electricity options and sustainable development

    SciTech Connect (OSTI)

    Mills, J.I.; Herring, J.S.

    1994-12-31T23:59:59.000Z

    In a landmark article in Foreign Affairs in October 1976, Amory Lovins presented his vision of two vastly different and seemingly irreconcilable paths that energy provision might take into the future. One path was a ``hard`` path, characterized by extensive development of large, capital-intensive centralized electrical generating facilities and their peripherals, designed with little consideration given to the matching of these facilities to the requirements of the end-use needs. The second, ``soft`` path was characterized by energy technologies that are diverse, operate on renewable energy flows, are relatively simple, less capital-intensive, and matched in scale and energy quality to end-use needs. One of the most controversial arguments in the Lovins` paper was that the ``hard`` and ``soft`` paths are culturally and institutionally antagonistic. In retrospect, it seems this argument was self-fulfilling, for the history of the energy debate throughout the developed world since the appearance of the Lovins` article has been marked by an either-or antagonism that has left little room for serious discussion of a ``middle-path.`` In this paper, we argue that ``middle-path,`` paved with elements of both the soft and hard, is especially suited for developing countries, since they do not now carry the burden of an existing and extensive ``hard path`` energy infrastructure.

  9. MIXED INTEGER PROGRAMMING FOR MULTI-VEHICLE PATH PLANNING

    E-Print Network [OSTI]

    How, Jonathan P.

    .up.pt http://www.fe.up.pt/ecc2001/ Keywords: autonomous vehicles, path planning, collision avoidance Abstract This paper presents a new approach to fuel-optimal path plan- ning of multiple vehicles using a combination will be optimized with respect to both fuel and/or time, and must ensure that the vehicles do not collide with each

  10. Visibility in Discrete Geometry: an application to discrete geodesic paths

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Visibility in Discrete Geometry: an application to discrete geodesic paths David Coeurjolly that are visible from a source pixel. Based on these definitions, we define discrete geodesic paths in dis- crete domain with obstacles. This allows us to introduce a new geodesic metric in discrete geometry

  11. Analog VLSI for Robot Path Planning Mircea Stan Wayne Burleson

    E-Print Network [OSTI]

    Stan, Mircea R.

    . In cartesian space there are two or three dimensions and the robot arm's nonzero dimensions must be takenAnalog VLSI for Robot Path Planning Mircea Stan Wayne Burleson Department of Electrical & Computer­545­4611 fax Abstract Analog VLSI provides a convenient and high­ performance engine for robot path planning

  12. UAV PATH FOLLOWING FOR TARGET OBSERVATION IN WIND

    E-Print Network [OSTI]

    Washington at Seattle, University of

    UAV PATH FOLLOWING FOR TARGET OBSERVATION IN WIND Rolf Rysdyk, University of Washington, Seattle is affected by wind, aircraft performance, and camera limits. Analytic expressions are derived for paths which, and stability of its integration with aircraft dynamics is assessed. An observer estimates wind data, which

  13. Large deviations for rough paths of fractional Brownian motion

    E-Print Network [OSTI]

    Millet, Annie

    limit theorem. Stochastic modeling deals basically with rough path controls. Indeed, the ground-breaking It^o's theory on stochastic differential equations is based on Brownian motion, which has almost surely nowhere differentiable sam- ple paths but only -H¨older continuous ones, with ]0, 1 2 [. Note

  14. Dynamic Path Consistency for Spatial Reasoning Lamia Belouaer, Maroua Bouzid

    E-Print Network [OSTI]

    Boyer, Edmond

    reactive planning and path finding. Let us consider the example of an accident at a nuclear plant. Generally if something goes wrong there are always planned paths from any position in the nuclear plant to the exit. In this regard, several techniques based on the Con- straint Satisfaction Problem (CSP) formalism

  15. Performance-Aware Speculation Control using Wrong Path Usefulness Prediction

    E-Print Network [OSTI]

    at Austin {cjlee, patt}@ece.utexas.edu ßSchool of Computer Science Georgia Institute of Technology hyesoon are useless for processor performance and try to eliminate the execution of all wrong-path instructions incurred by fetch gating mech- anisms that assume wrong-path execution is useless, thereby both im- proving

  16. Water and Solute Flow in a Highly-Structured Soil

    E-Print Network [OSTI]

    Hallmark, C. Tom; Wilding, Larry P.; McInnes, Kevin J.; Heuvelman, Willem J.

    Prevention of groundwater contamination by agricultural activities is a high priority in the United States. Water and contaminants often follow particular flow paths through the soil that lead to rapid movement of pesticides out of the rootzone...

  17. Water Resources Water Quality and Water Treatment

    E-Print Network [OSTI]

    Sohoni, Milind

    Water Resources TD 603 Lecture 1: Water Quality and Water Treatment CTARA Indian Institute of Technology, Bombay 2nd November, 2011 #12;OVERVIEW Water Quality WATER TREATMENT PLANTS WATER TREATMENT PLANTS WATER TREATMENT PLANTS WATER TRE OVERVIEW OF THE LECTURE 1. Water Distribution Schemes Hand Pump

  18. Using shortest path to discover criminal community

    E-Print Network [OSTI]

    Magalingam, Pritheega; Rao, Asha

    2015-01-01T23:59:59.000Z

    Extracting communities using existing community detection algorithms yields dense sub-networks that are difficult to analyse. Extracting a smaller sample that embodies the relationships of a list of suspects is an important part of the beginning of an investigation. In this paper, we present the efficacy of our shortest paths network search algorithm (SPNSA) that begins with an "algorithm feed", a small subset of nodes of particular interest, and builds an investigative sub-network. The algorithm feed may consist of known criminals or suspects, or persons of influence. This sets our approach apart from existing community detection algorithms. We apply the SPNSA on the Enron Dataset of e-mail communications starting with those convicted of money laundering in relation to the collapse of Enron as the algorithm feed. The algorithm produces sparse and small sub-networks that could feasibly identify a list of persons and relationships to be further investigated. In contrast, we show that identifying sub-networks o...

  19. A Path to Collaborative Strategic Learning

    SciTech Connect (OSTI)

    Nancy M. Carlson

    2003-10-01T23:59:59.000Z

    Collaborative learning is critical for the future of any organization and must align with the strategic organizational processes that result in products valued by others. To discover these processes, proposal preparation is explored using topic-oriented ethnography, grounded theory, and an innovative addition to qualitative interviewing, called metainquiry. Using interview data from editors, graphic artists, text processors, scientists, engineers, and technical managers, substantive theory emerges. The research discovers the five essential processes of owning, visioning, reviewing, producing, and contributing needed for organizational strategic learning to occur. The dimensions of these processes are made explicit and can be used to gauge the health of any organization. The substantive theory also provides insight into the ability of collaborative learning to evolve, flourish, and adapt to the strategic advantage of the organization. Lastly, actionable goals with ten essential elements emerge that link owning, visioning, reviewing, producing, and contributing as a path for all organizations to follow to promote collaborative learning communities and enhance their competitive advantage.

  20. NGNP Program 2013 Status and Path Forward

    SciTech Connect (OSTI)

    Hans Gougar

    2014-03-01T23:59:59.000Z

    High temperature gas-cooled reactor (HTGR) technology can play an important role in the energy future of the United States by extending the use of nuclear energy for non-electricity energy production missions, as well as continuing to provide a considerable base load electric power generation capability. Extending nuclear energy into the industrial and transportation sectors through the coproduction of process heat and electricity provides safe, reliable energy for these sectors in an environmentally responsible manner. The modular HTGR provides a substantial improvement in nuclear plant safety for the protection of the public and the environment, and supports collocation of the HTGRhigh temperature gas-cooled reactor with major industrial facilities. Under U.S. Department of Energy direction since 2006, the Next Generation Nuclear Plant Project at Idaho National Laboratory has been working toward commercializing the HTGR technology. However, a recent decision by the Secretary of Energy to reduce the scope of the Next Generation Nuclear Plant Project to a research and development program, considerable realignment has taken place. This report: (1) summarizes the accomplishments of the Next Generation Nuclear Plant Program from FY2011 through FY2013; (2) lays out the path forward necessary to achieve the ultimate objective of commercializing HTGR technology; and (3) discusses ongoing technical, licensing, and evaluation activities under the realigned Next Generation Nuclear Plant program considered important to preserve the significant investment made by the government to-date and to maintain some progress in meeting the objectives of the Energy Policy Act of 2005 (EPAct2005).

  1. Controlling Low-Rate Signal Path Microdischarge for an Ultra-Low-Background Proportional Counter

    SciTech Connect (OSTI)

    Mace, Emily K.; Aalseth, Craig E.; Bonicalzi, Ricco; Day, Anthony R.; Hoppe, Eric W.; Keillor, Martin E.; Myers, Allan W.; Overman, Cory T.; Seifert, Allen

    2013-05-01T23:59:59.000Z

    ABSTRACT Pacific Northwest National Laboratory (PNNL) has developed an ultra-low-background proportional counter (ULBPC) made of high purity copper. These detectors are part of an ultra-low-background counting system (ULBCS) in the newly constructed shallow underground laboratory at PNNL (at a depth of ~30 meters water-equivalent). To control backgrounds, the current preamplifier electronics are located outside the ULBCS shielding. Thus the signal from the detector travels through ~1 meter of cable and is potentially susceptible to high voltage microdischarge and other sources of electronic noise. Based on initial successful tests, commercial cables and connectors were used for this critical signal path. Subsequent testing across different batches of commercial cables and connectors, however, showed unwanted (but still low) rates of microdischarge noise. To control this noise source, two approaches were pursued: first, to carefully validate cables, connectors, and other commercial components in this critical signal path, making modifications where necessary; second, to develop a custom low-noise, low-background preamplifier that can be integrated with the ULBPC and thus remove most commercial components from the critical signal path. This integrated preamplifier approach is based on the Amptek A250 low-noise charge-integrating preamplifier module. The initial microdischarge signals observed are presented and characterized according to the suspected source. Each of the approaches for mitigation is described, and the results from both are compared with each other and with the original performance seen with commercial cables and connectors.

  2. China Energy and Emissions Paths to 2030

    E-Print Network [OSTI]

    Fridley, David

    2012-01-01T23:59:59.000Z

    Geothermal Heat Pump Centralized AC by NG Max Tech Scenario Water Heating Unlike space heating and cooling,Cooling Technology Shares 2010 Technology Shares Office Centralized AC Room AC Geothermalcooling, there is some but much less technology switching with generally increasing shares of geothermal

  3. Validation of Surface Retrieved Cloud Optical Properties with in situ Measurements at the Atmospheric Radiation Measurement Program (ARM) South Great Plains Site

    SciTech Connect (OSTI)

    Min, Qilong; Duan, M.; Marchand, Roger T.

    2003-09-11T23:59:59.000Z

    The surface inferred cloud optical properties from a multifilter rotating shadowband radiometer have been validated against the in situ measurements during the second ARM Enhanced Shortwave Experiment (ARESE II) field campaign at the ARM South Great Plains (SGP) site. On the basis of eight effective radius profiles measured by the in situ Forward Spectra Scattering Probe (FSSP), our retrieved cloud effective radii for single-layer warm water clouds agree well with in situ measurements, within 5.5%. The sensitivity study also illustrates that for this case a 13% uncertainty in observed liquid water path (LWP, 20 g/m2) results in 1.5% difference in retrieved cloud optical depth and 12.7% difference in referred cloud effective radius, on average. The uncertainty of the LWP measured by the microwave radiometer (MWR) is the major contributor to the uncertainty of retrieved cloud effective radius. Further, we conclude that the uncertainty of our inferred cloud optical properties is better than 5% for warm water clouds based on a surface closure study, in which cloud optical properties inferred from narrowband irradiances are applied to a shortwave model and the modeled broadband fluxes are compared to a surface pyranometer.

  4. Lexicalisation Patterns of Rendering Path Descriptions in Polish Translation from English

    E-Print Network [OSTI]

    Ch?opek, Dorota

    2012-02-01T23:59:59.000Z

    with constructions lexicalising precise path through satellites, Polish translation renders the path, neutralises it, changes it, or omits the path conveyed by the original version, which is illustrated by this paper....

  5. E-Print Network 3.0 - accurate path integration Sample Search...

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

    hardware but is able to create accurate path infor- mation... accurate path profile. Upon ... Source: Colorado at Boulder, University of - Computer Engineering Research...

  6. E-Print Network 3.0 - adaptive path planning Sample Search Results

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

    THE TRANS-PACIFIC CROSSING: LONG RANGE ADAPTIVE PATH PLANNING FOR UAVS THROUGH VARIABLE WIND FIELDS... , and thus any path planning process must be adaptable to these changes....

  7. Thermal Conductivity Spectroscopy Technique to Measure Phonon Mean Free Paths

    E-Print Network [OSTI]

    Schmidt, A. J.

    Size effects in heat conduction, which occur when phonon mean free paths (MFPs) are comparable to characteristic lengths, are being extensively explored in many nanoscale systems for energy applications. Knowledge of MFPs ...

  8. Multiphase flow and control of fluid path in microsystems

    E-Print Network [OSTI]

    Jhunjhunwala, Manish

    2005-01-01T23:59:59.000Z

    Miniaturized chemical-systems are expected to have advantages of handling, portability, cost, speed, reproducibility and safety. Control of fluid path in small channels between processes in a chemical/biological network ...

  9. Optimally controlling hybrid electric vehicles using path forecasting

    E-Print Network [OSTI]

    Katsargyri, Georgia-Evangelina

    2008-01-01T23:59:59.000Z

    Hybrid Electric Vehicles (HEVs) with path-forecasting belong to the class of fuel efficient vehicles, which use external sensory information and powertrains with multiple operating modes in order to increase fuel economy. ...

  10. Stochastic mobility-based path planning in uncertain environments

    E-Print Network [OSTI]

    Kewlani, Gaurav

    The ability of mobile robots to generate feasible trajectories online is an important requirement for their autonomous operation in unstructured environments. Many path generation techniques focus on generation of time- ...

  11. Optimally Controlling Hybrid Electric Vehicles using Path Forecasting

    E-Print Network [OSTI]

    Kolmanovsky, Ilya V.

    The paper examines path-dependent control of Hybrid Electric Vehicles (HEVs). In this approach we seek to improve HEV fuel economy by optimizing charging and discharging of the vehicle battery depending on the forecasted ...

  12. Path dependent receding horizon control policies for hybrid electric vehicles

    E-Print Network [OSTI]

    Kolmanovsky, Ilya V.

    Future hybrid electric vehicles (HEVs) may use path-dependent operating policies to improve fuel economy. In our previous work, we developed a dynamic programming (DP) algorithm for prescribing the battery state of charge ...

  13. Recursive Path Orderings can be ContextSensitive

    E-Print Network [OSTI]

    Lucas, Salvador

    Recursive Path Orderings can be Context­Sensitive Cristina Borralleras 1 , Salvador Lucas 2. Rubio is also supported by the spanish DURSI group 2001SGR 00254. Salvador Lucas is partially supported

  14. Maximal Sensitive Dependence and the Optimal Path to Epidemic Extinction

    E-Print Network [OSTI]

    Forgoston, Eric; Shaw, Leah B; Schwartz, Ira B

    2010-01-01T23:59:59.000Z

    Extinction of an epidemic or a species is a rare event that occurs due to a large, rare stochastic fluctuation. Although the extinction process is dynamically unstable, it follows an optimal path that maximizes the probability of extinction. We show that the optimal path is also directly related to the finite-time Lyapunov exponents of the underlying dynamical system in that the optimal path displays maximum sensitivity to initial conditions. We consider several stochastic epidemic models, and examine the extinction process in a dynamical systems framework. Using the dynamics of the finite-time Lyapunov exponents as a constructive tool, we demonstrate that the dynamical systems viewpoint of extinction evolves naturally toward the optimal path.

  15. Navigating Roadblocks on the Path to Advanced Biofuels Deployment

    Broader source: Energy.gov [DOE]

    Breakout Session 2: Frontiers and Horizons Session 2ĖC: Navigating Roadblocks on the Path to Advanced Biofuels Deployment Arunas Chesonis, Chief Executive Officer and Chairman of the Board, Sweetwater Energy

  16. A Path to the Arrow-Debreu Competitive Market Equilibrium

    E-Print Network [OSTI]

    Yinyu Ye

    2006-07-28T23:59:59.000Z

    Jul 28, 2006 ... ... solution is $O(n^4L)$ which is in line with the best complexity bound ... This path is derived from the weighted logarithmic utility and barrier†...

  17. Identification of MHF Fracture Planes and Flow Paths- a Correlation...

    Open Energy Info (EERE)

    Identification of MHF Fracture Planes and Flow Paths- a Correlation of Well Log Data with Patterns in Locations of Induced Seismicity Jump to: navigation, search OpenEI Reference...

  18. The paths and characteristics of real estate entrepreneurs

    E-Print Network [OSTI]

    Kazmierski, Michael (Michael Anthony)

    2008-01-01T23:59:59.000Z

    What paths have real estate entrepreneurs taken to establish their own firm? Also, what characteristics did they develop and utilize in the process? This thesis gives the unique opportunity to better understand the life ...

  19. Human-Automation Path Planning Optimization and Decision Support

    E-Print Network [OSTI]

    Cummings, M.L.

    2011-01-01T23:59:59.000Z

    Path planning is a problem encountered in multiple domains, including unmanned vehicle control, air traffic control, and future exploration missions to the Moon and Mars. Due to the voluminous and complex nature of the ...

  20. Finding Smallest Paths in Rectilinear Polygons on a Hypercube Multiprocessor

    E-Print Network [OSTI]

    Zhang, Richard "Hao"

    vertices on a hypercube multiprocessor with max(n; p) processors in time O(t + log n) where p = n log n). Smallest paths have applications in VLSI design (minimizing vias), robot motion planning, and the design

  1. Optimal multi-robot path planning with temporal logic constraints

    E-Print Network [OSTI]

    Ulusoy, Alphan

    In this paper we present a method for automatically planning optimal paths for a group of robots that satisfy a common high level mission specification. Each robot's motion in the environment is modeled as a weighted ...

  2. Thin magnetic crystals are path to ferromagnetic graphene | ornl...

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

    Thin magnetic crystals are path to ferromagnetic graphene January 23, 2015 The crystal structure of CrI3 includes hexagonal nets formed by Cr atoms (blue) with magnetic moments...

  3. Panel Discussion: Career Paths in Energy & Sustainability: Perspective...

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

    a.m.-7 p.m. The events include: 11:30 a.m.-2 p.m. Panel Discussion "Career Paths in Energy & Sustainability: Perspectives from Successful Women Professionals," including Dr....

  4. Threat-aware Path Planning in Uncertain Urban Environments

    E-Print Network [OSTI]

    Aoude, Georges

    This paper considers the path planning problem for an autonomous vehicle in an urban environment populated with static obstacles and moving vehicles with uncertain intents. We propose a novel threat assessment module, ...

  5. Vickrey Prices and Shortest Paths: What is an edge worth?

    E-Print Network [OSTI]

    Chen, Yiling

    network and electrical routing, trans- portation, robot motion planning, critical path computation interest in pric- ing networks and computing resources, which in turn is prompted by the prominent role

  6. Vickrey Prices and Shortest Paths: What is an edge worth?

    E-Print Network [OSTI]

    Sadeh, Norman M.

    . Their applications include network and electrical routing, trans≠ portation, robot motion planning, critical path by recent interest in pric≠ ing networks and computing resources, which in turn is prompted by the prominent

  7. Diffusive transport of light in a two-dimensional disordered packing of disks: Analytical approach to transport-mean-free path

    E-Print Network [OSTI]

    Zeinab Sadjadi; MirFaez Miri; M. Reza Shaebani; Sareh Nakhaee

    2008-09-20T23:59:59.000Z

    We study photon diffusion in a two-dimensional random packing of monodisperse disks as a simple model of granular media and wet foams. We assume that the intensity reflectance of disks is a constant. We present an analytic expression for the transport-mean-free path in terms of the velocity of light in the disks and host medium, radius and packing fraction of the disks, and the intensity reflectance. For the glass beads immersed in the air or water, we estimate transport-mean-free paths about half the experimental ones. For the air bubbles immersed in the water, transport-mean-free paths is an inverse function of liquid volume fraction of the model wet foam. This throws new light on the empirical law of Vera et. al, and promotes more realistic models.

  8. Path integrals for stiff polymers applied to membrane physics

    E-Print Network [OSTI]

    D. S. Dean; R. R. Horgan

    2007-04-11T23:59:59.000Z

    Path integrals similar to those describing stiff polymers arise in the Helfrich model for membranes. We show how these types of path integrals can be evaluated and apply our results to study the thermodynamics of a minority stripe phase in a bulk membrane. The fluctuation induced contribution to the line tension between the stripe and the bulk phase is computed, as well as the effective interaction between the two phases in the tensionless case where the two phases have differing bending rigidities.

  9. Turbine Steam Path Audits for Improved Performance and Profitability

    E-Print Network [OSTI]

    Babson, P. E.

    TURBINE STEAM PATH AUDITS FOR IMPROVED PERFORMANCE AND PROFITABILITY PAUL E. BABSON, DIRECTOR, BUSINESS DEVELOPMENT, ENCOTECH, INC., SCHENECTADY, NEW YORK ABSTRACT This paper describes the use and value of conducting steam path audits... in turbines. Critical measurements and observations made during overhaul identify and quantify the effects of component degradations upon turbine performance as compared to design conditions. The information generated permits performance oriented repair...

  10. Model analysis of the anthropogenic aerosol effect on clouds over East Asia

    SciTech Connect (OSTI)

    Gao, Yi; Zhang, Meigen; Liu, Xiaohong; Zhao, Chun

    2012-01-16T23:59:59.000Z

    A coupled meteorology and aerosol/chemistry model WRF-Chem (Weather Research and Forecast model coupled with Chemistry) was used to conduct a pair of simulations with present-day (PD) and preindustrial (PI) emissions over East Asia to examine the aerosol indirect effect on clouds. As a result of an increase in aerosols in January, the cloud droplet number increased by 650 cm{sup -3} over the ocean and East China, 400 cm{sup -3} over Central and Southwest China, and less than 200 cm{sup -3} over North China. The cloud liquid water path (LWP) increased by 40-60 g m{sup -2} over the ocean and Southeast China and 30 g m{sup -2} over Central China; the LWP increased less than 5 g m{sup -2} or decreased by 5 g m{sup -2} over North China. The effective radius (Re) decreased by more than 4 {mu}m over Southwest, Central, and Southeast China and 2 {mu}m over North China. In July, variations in cloud properties were more uniform; the cloud droplet number increased by approximately 250-400 cm{sup -3}, the LWP increased by approximately 30-50 g m{sup -2}, and Re decreased by approximately 3 {mu}m over most regions of China. In response to cloud property changes from PI to PD, shortwave (SW) cloud radiative forcing strengthened by 30 W m{sup -2} over the ocean and 10 W m{sup -2} over Southeast China, and it weakened slightly by approximately 2-10 W m{sup -2} over Central and Southwest China in January. In July, SW cloud radiative forcing strengthened by 15 W m{sup -2} over Southeast and North China and weakened by 10 W m{sup -2} over Central China. The different responses of SW cloud radiative forcing in different regions was related to cloud feedbacks and natural variability.

  11. Ultrasonic Phased Array Assessment of the Interference Fit and Leak Path of the North Anna Unit 2 Control Rod Drive Mechanism Nozzle 63 with Destructive Validation

    SciTech Connect (OSTI)

    Crawford, Susan L.; Cinson, Anthony D.; MacFarlan, Paul J.; Hanson, Brady D.; Mathews, Royce

    2012-08-01T23:59:59.000Z

    The objective of this investigation was to evaluate the efficacy of ultrasonic testing (UT) for primary water leak path assessments of reactor pressure vessel (RPV) upper head penetrations. Operating reactors have experienced leakage when stress corrosion cracking of nickel-based alloy penetrations allowed primary water into the annulus of the interference fit between the penetration and the low-alloy steel RPV head. In this investigation, UT leak path data were acquired for an Alloy 600 control rod drive mechanism nozzle penetration, referred to as Nozzle 63, which was removed from the North Anna Unit 2 reactor when the RPV head was replaced in 2002. In-service inspection prior to the head replacement indicated that Nozzle 63 had a probable leakage path through the interference fit region. Nozzle 63 was examined using a phased-array UT probe with a 5.0-MHz, eight-element annular array. Immersion data were acquired from the nozzle inner diameter surface. The UT data were interpreted by comparing to responses measured on a mockup penetration with known features. Following acquisition of the UT data, Nozzle 63 was destructively examined to determine if the features identified in the UT examination, including leakage paths and crystalline boric acid deposits, could be visually confirmed. Additional measurements of boric acid deposit thickness and low-alloy steel wastage were made to assess how these factors affect the UT response. The implications of these findings for interpreting UT leak path data are described.

  12. Concurrent constraint programming-based path planning for uninhabited air vehicles

    E-Print Network [OSTI]

    Bonaventure, Olivier

    Concurrent constraint programming-based path planning for uninhabited air vehicles Stefano Gualandi path length, fuel consumption, and path risk are given as well. 1. INTRODUCTION Path planning is a well, it becomes relevant when defining an air vehicle mission. Due to all the domain constraints to be considered

  13. Water Quality

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

    Water Quality Water Quality We protect water quality through stormwater control measures and an extensive network of monitoring wells and stations encompassing groundwater, surface...

  14. Magnetic Relativistic SchrŲdinger Operators and \\\\Imaginary-time Path Integrals

    E-Print Network [OSTI]

    Takashi Ichinose

    2014-03-24T23:59:59.000Z

    Three magnetic relativistic Schr\\"odinger operators corresponding to the classical relativistic Hamiltonian symbol with magnetic vector and electric scalar potentials are considered, dependent on how to quantize the kinetic energy term $\\sqrt{(\\xi-A(x))^2 +m^2}$. We discuss their difference in general and their coincidence in the case of constant magnetic fields, and also study whether they are covariant under gauge transformation. Then results are reviewed on path integral representations for their respective imaginary-time relativistic Schr\\"odinger equations, i.e. heat equations, by means of the probability path space measure related to the L\\'evy process concerned.

  15. MANAGING HANFORD'S LEGACY NO-PATH-FORWARD WASTES TO DISPOSITION

    SciTech Connect (OSTI)

    WEST LD

    2011-01-13T23:59:59.000Z

    The U.S. Department of Energy (DOE) Richland Operations Office (RL) has adopted the 2015 Vision for Cleanup of the Hanford Site. This vision will protect the Columbia River, reduce the Site footprint, and reduce Site mortgage costs. The CH2M HILL Plateau Remediation Company's (CHPRC) Waste and Fuels Management Project (W&FMP) and their partners support this mission by providing centralized waste management services for the Hanford Site waste generating organizations. At the time of the CHPRC contract award (August 2008) slightly more than 9,000 m{sup 3} of waste was defined as 'no-path-forward waste.' The majority of these wastes are suspect transuranic mixed (TRUM) wastes which are currently stored in the low-level Burial Grounds (LLBG), or stored above ground in the Central Waste Complex (CWC). A portion of the waste will be generated during ongoing and future site cleanup activities. The DOE-RL and CHPRC have collaborated to identify and deliver safe, cost-effective disposition paths for 90% ({approx}8,000 m{sup 3}) of these problematic wastes. These paths include accelerated disposition through expanded use of offsite treatment capabilities. Disposal paths were selected that minimize the need to develop new technologies, minimize the need for new, on-site capabilities, and accelerate shipments of transuranic (TRU) waste to the Waste Isolation Pilot Plant (WIPP) in Carlsbad, New Mexico.

  16. "Multi-machine" Strategy: The Other Path of the FESAC

    E-Print Network [OSTI]

    extrapolating to steady-state. · Demonstrate steady-state heat removal and particle control at power plant & performance under power plant conditions [5 to 10 MW-yr/m2]. #12;1987 TPA Burning Plasma Logic · Employed & Simulation FESAC/Snowmass Report: ITER-Based Development Path #12;Roadmap to Fusion Power EU Variation

  17. Path Computation Element (PCE) 1. What is QoS?

    E-Print Network [OSTI]

    Path Computation Element (PCE) PCE #12;Index 1. What is QoS? 2. Why it's necessary in networks? 3(OSPF) 5. Solution: PCE 6. How PCE works? 7. PCE andTED 8. PCE and Multi-Domains 9. PCEArchitecture 10 increments the network overhead Creates inaccuracy 8 #12;Solution: PCE Definition: An entity (component

  18. Path Placement Optimization of Manipulators Based on Energy Consumption

    E-Print Network [OSTI]

    Boyer, Edmond

    utilisant la consommation ¬īenerg¬īetique comme crit`ere. Ce travail propose une mthodologie pour d¬īes: Placement de trajectoires, Consommation ¬īenerg¬īetique, Optimisation, Manipu- lateur parall`eles. hal to perform a given operation more efficiently with respect to the energy consumed. The path placement problem

  19. Update on Genomic Studies of Algae Paths toward Algal Genomics

    E-Print Network [OSTI]

    Update on Genomic Studies of Algae Paths toward Algal Genomics Arthur R. Grossman* The Carnegie of genomic information that is being used to help researchers understand the gene content of organisms, how the expression of genes. In this introductory manuscript, I discuss select algae and how genomics is impacting

  20. A Probabilistic Approach to Optimal Robust Path Planning with Obstacles

    E-Print Network [OSTI]

    Williams, Brian C.

    and Brian Williams Abstract-- Autonomous vehicles need to plan trajectories to a specified goal that avoid of aircraft obstacle avoidance scenarios. I. INTRODUCTION Path planning for autonomous vehicles the future probabilistic distribution of the vehicle state so that the probability of collision

  1. Chance-Constrained Optimal Path Planning with Obstacles

    E-Print Network [OSTI]

    Williams, Brian C.

    . Williams Abstract--Autonomous vehicles need to plan trajectories to a specified goal that avoid obstacles validation with an aircraft obstacle avoidance example. I. INTRODUCTION Path planning for autonomous vehicles approach plans the future probabilistic distribution of the vehicle state so that the probability

  2. Robust Path Planning and Feedback Design under Stochastic Uncertainty

    E-Print Network [OSTI]

    Williams, Brian C.

    . Introduction Autonomous vehicles such as Unmanned Air Vehicles (UAVs) need to be able to plan trajectories; prior work showed that a UAV operating at a constant altitude as well as other autonomous vehicles canRobust Path Planning and Feedback Design under Stochastic Uncertainty Lars Blackmore Autonomous

  3. Path Cost Optimization Using Genetic Algorithm with Supervised Crossover Operator

    E-Print Network [OSTI]

    Tse, Chi K. "Michael"

    are widely applied in maneu- vering robots, such as autonomous underwater vehicles [1] and unmanned aerial effective way. The term cost can be inter- preted as fuel consumption, path visibility, probability of being and solution quality of genetic algorithms. 1. Introduction Thanks to highly advanced autonomous technologies

  4. Allinea DDT: Your Partner in Finding Debugged Paths on Mira

    E-Print Network [OSTI]

    Kemner, Ken

    Allinea DDT: Your Partner in Finding Debugged Paths on Mira Ian Lumb Senior! #12;BG /P Case Study: Debugging Process Reproduced the crash Ran Allinea DDT in offline mode ­ MPI implementation bug? ­ Memory bug? Ran Allinea DDT in offline mode again Memory debugging enabled

  5. Communication and Path Planning Strategies of a Robotic Coverage Operation

    E-Print Network [OSTI]

    Mostofi, Yasamin

    and communication energy costs. However, simplified path loss models are utilized to model the communication can be utilized to escape bad communication spots and save the overall energy consump- tion to a remote station. The goal of the robot is to minimize its total energy consumption, which includes both

  6. Navigating Complex Labyrinths: Optimal Paths from Chemical Waves

    E-Print Network [OSTI]

    Showalter, Kenneth

    Navigating Complex Labyrinths: Optimal Paths from Chemical Waves Oliver Steinbock, Agota T6th information on chemical waves propagating through mazes prepared with the Belousov-Zhabotinsky reaction target point. Collisions of waves that were temporarily separated by obstacles mark boundary lines

  7. Three Paths to a Revised Information and Computer

    E-Print Network [OSTI]

    Gering, Jon C.

    Three Paths to a Revised Information and Computer Literacy Requirement May 1, 2006 Summary implementation of the Computer Literacy requirement. We have attempted to reconcile UGC's desire not to implement previous vote to abolish the Computer Literacy requirement. We have also taken into consideration

  8. Sensor Beams, Obstacles, and Possible Paths Benjamin Tovar1

    E-Print Network [OSTI]

    LaValle, Steven M.

    Sensor Beams, Obstacles, and Possible Paths Benjamin Tovar1 , Fred Cohen2 , and Steven M. LaValle1, or animal) travels among obstacles and binary detection beams. The task is to determine the possible agent settings, which may arise from physical sensor beams or virtual beams that are derived from other sensing

  9. Creating an ICT Portfolio at PATH Richard Anderson

    E-Print Network [OSTI]

    Anderson, Richard

    · Diagnostic tests for diseases · Reproductive health technologies · Maternal & child health technologies in health technologies · Founded 1977 N ki i 70 t i­ Now working in 70 countries · Program for Appropriate Technology in Health 1/21/2010 2Change Seminar PATH focus · Solutions for emerging and epidemic diseases

  10. Finding the Most Likely Infection Path in Networks with Limited ...

    E-Print Network [OSTI]

    2013-11-08T23:59:59.000Z

    directed tree that spans to a set of known infected nodes, subject to path .... and simplified analytical models to increasingly in-depth stochastic agent based ... minimum cost Steiner tree such that the total amount of ressources used in the tree†...

  11. Tracking butterfly flight paths across the landscape with harmonic radar

    E-Print Network [OSTI]

    Northampton, University of

    Tracking butterfly flight paths across the landscape with harmonic radar E. T. Cant1,*, A. D. Smith of five butterfly species were successfully tracked using harmonic radar within an agricultural landscape. Keywords: butterfly flight; harmonic radar; linear landscape features; Aglais urticae; Inachis io 1

  12. Noncommutative Harmonic Oscillator at Finite Temperature: A Path Integral Approach

    E-Print Network [OSTI]

    A. Jahan

    2012-08-01T23:59:59.000Z

    We use the path integral approach to a two-dimensional noncommutative harmonic oscillator to derive the partition function of the system at finite temperature. It is shown that the result based on the Lagrangian formulation of the problem, coincides with the Hamiltonian derivation of the partition function.

  13. The Number of Hamiltonian Paths in a Rectangular Grid

    E-Print Network [OSTI]

    Collins, Karen L.

    The Number of Hamiltonian Paths in a Rectangular Grid@wesleyan.edu Abstract It is easy to find out which rectangular m vertex by n vertex grids have answers for grids with fixed m for m = 1, 2, 3, 4, 5. 1 Introduction Given a grid with m vertices

  14. Designing Snakey: A Tangible User Interface Supporting Well Path Planning

    E-Print Network [OSTI]

    is a fundamental task present in different stages of oil/gas field development from early exploration to production intuitive manipulation and interaction with 3D curves, common to underground well path exploration, but rather to augment them with tangible and collaborative interaction, facilitating spatial exploration

  15. A Miniature Biomimetic Robotic Fish and Its Realtime Path Planning

    E-Print Network [OSTI]

    Boyer, Edmond

    A Miniature Biomimetic Robotic Fish and Its Realtime Path Planning Chao Zhou, Zhiqiang Cao, Shuo a novel miniature biomimetic robotic fish based on single link with compact structure, high maneuverability and multiple sensors. The robotic fish mimics the motion of Thunniform mode, and the methods

  16. The Museum Theorem: Thick Face-Paths and

    E-Print Network [OSTI]

    West, Douglas B.

    The Museum Theorem: Thick Face-Paths and Hamiltonian-Connectedness in Plane Graphs Xiaoyun Lu #12;Visiting a Museum The Problem: The entrance and exit of a museum are fixed. You insist on visiting room F. The pieces of what you skip should be somehow "small". #12;Visiting a Museum The Problem

  17. Many Paths to Alopecia via Compromised Regeneration of Hair

    E-Print Network [OSTI]

    Chuong, Cheng-Ming

    Many Paths to Alopecia via Compromised Regeneration of Hair Follicle Stem Cells Ji Li1,2,3,4 , Ting regeneration, or increased destruction of hair follicles. Much work has elucidated the roles of diffusible morphogens in modulating hair follicle stem cell activities. Recent studies have revealed novel molecular

  18. Enhanced oil recovery through water imbibition in fractured reservoirs using Nuclear Magnetic Resonance

    E-Print Network [OSTI]

    Hervas Ordonez, Rafael Alejandro

    1994-01-01T23:59:59.000Z

    Conventional waterflooding methods of oil recovery are difficult to apply when reservoirs show evidence of natural fractures, because injected water advances through paths of high permeability, and oil trapped in the rock matrix system...

  19. Evidence for Gropun-Water Stratification Near Yucca Mountain, Nevada

    SciTech Connect (OSTI)

    K. Futa; B.D. Marshall; Z.E. Peterman

    2006-03-24T23:59:59.000Z

    Major- and trace-element concentrations and strontium isotope ratios (strontium-87/strontium-86) in samples of ground water potentially can be useful in delineating flow paths in the complex ground-water system in the vicinity of Yucca Mountain, Nevada. Water samples were collected from boreholes to characterize the lateral and vertical variability in the composition of water in the saturated zone. Discrete sampling of water-producing intervals in the saturated zone includes isolating borehole sections with packers and extracting pore water from core obtained by sonic drilling. Chemical and isotopic stratification was identified in the saturated zone beneath southern Fortymile Wash.

  20. Tracking the Path of the Sun: Profiling an NREL Senior Scientist...

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

    Tracking the Path of the Sun: Profiling an NREL Senior Scientist Tracking the Path of the Sun: Profiling an NREL Senior Scientist June 5, 2012 - 1:27pm Addthis Metrologist Ibrahim...

  1. Scientists at ALS Find New Path to More Efficient Organic Solar...

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

    Scientists at ALS Find New Path to More Efficient Organic Solar Cells Scientists at ALS Find New Path to More Efficient Organic Solar Cells Print Monday, 07 January 2013 00:00...

  2. E-Print Network 3.0 - advanced open-path atmospheric Sample Search...

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

    open-path atmospheric Search Powered by Explorit Topic List Advanced Search Sample search results for: advanced open-path atmospheric Page: << < 1 2 3 4 5 > >> 1 Results: Field...

  3. Moisture Risk in Unvented Attics Due to Air Leakage Paths

    SciTech Connect (OSTI)

    Prahl, D.; Shaffer, M.

    2014-11-01T23:59:59.000Z

    IBACOS completed an initial analysis of moisture damage potential in an unvented attic insulated with closed-cell spray polyurethane foam. To complete this analysis, the research team collected field data, used computational fluid dynamics to quantify the airflow rates through individual airflow (crack) paths, simulated hourly flow rates through the leakage paths with CONTAM software, correlated the CONTAM flow rates with indoor humidity ratios from Building Energy Optimization software, and used Warme und Feuchte instationar Pro two-dimensional modeling to determine the moisture content of the building materials surrounding the cracks. Given the number of simplifying assumptions and numerical models associated with this analysis, the results indicate that localized damage due to high moisture content of the roof sheathing is possible under very low airflow rates. Reducing the number of assumptions and approximations through field studies and laboratory experiments would be valuable to understand the real-world moisture damage potential in unvented attics.

  4. Gas-path leakage seal for a turbine

    DOE Patents [OSTI]

    Bagepalli, B.S.; Aksit, M.F.; Farrell, T.R.

    1999-08-10T23:59:59.000Z

    A gas-path leakage seal for generally sealing a gas-path leakage-gap between spaced-apart first and second members of a turbine (such as combustor casing segments of a gas turbine). The seal includes a flexible and generally imperforate metal sheet assemblage having opposing first and second surfaces and two opposing raised edges extending a generally identical distance above and below the surfaces. A first cloth layer assemblage has a thickness generally equal to the previously-defined identical distance and is superimposed on the first surface between the raised edges. A second cloth layer assemblage is generally identical to the first cloth layer assemblage and is superimposed on the second surface between the raised edges. 5 figs.

  5. Evaluation of a total energy sensor for glide path control

    E-Print Network [OSTI]

    Oseguera, Rosa Maria

    1987-01-01T23:59:59.000Z

    of optimization problems and boundary conditions. The performance index was defined in terms of altitude h (relative and absolute), or path inclination 7 (relative and absolute) to determine the optimal trajectory on take-off through a wind shear. Resulting... flow. The subsequent mass flow was measured by a constant-temperature hot film probe in the duct. Airspeed, altitude, and climb speed were recorded using an analog and a digital recording system. The wind field was modeled approximately...

  6. Water Intoxication

    E-Print Network [OSTI]

    Lingampalli, Nithya

    2013-01-01T23:59:59.000Z

    2008, May 14). Too much water raises seizure risk in babies.id=4844 9. Schoenly, Lorry. ďWater Intoxication and Inmates:article/246650- overview>. 13. Water intoxication alert. (

  7. Exploring Multi-path Communication in Hybrid Mobile Ad Hoc Networks

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Exploring Multi-path Communication in Hybrid Mobile Ad Hoc Networks Roberto Speicys Cardoso the challenges involved in implementing multi- path communication on a middleware for hybrid mobile ad hoc words: Multi-path routing, middleware, ad hoc networks 1 Introduction Ambient computing requires

  8. Path Following Controller for a Quadrotor Helicopter Ashton Roza, Manfredi Maggiore

    E-Print Network [OSTI]

    Maggiore, Manfredi

    the path and yaw specifications are described through the system outputs and disturbance rejection profile of the quadrotor on the path and its yaw angle as a function of the displacement. I. INTRODUCTION reference signal that moves along the path while simultaneously specifying yaw angle. The majority

  9. TIME DISCRETE GEODESIC PATHS IN THE SPACE OF IMAGES B. BERKELS, A. EFFLAND, M. RUMPF

    E-Print Network [OSTI]

    Rumpf, Martin

    TIME DISCRETE GEODESIC PATHS IN THE SPACE OF IMAGES B. BERKELS, A. EFFLAND, M. RUMPF Abstract and intensity variation. A robust and effective variational time discretization of geodesics paths is proposed requirements for the input images, the existence of discrete geodesic paths defined as minimizers

  10. A Survey of Geodesic Paths on 3D Surfaces$ Prosenjit Bosea

    E-Print Network [OSTI]

    Wuhrer, Stefanie

    A Survey of Geodesic Paths on 3D Surfaces$ Prosenjit Bosea , Anil Maheshwaria , Chang Shub of theoretically and practically relevant algorithms to compute geodesic paths and distances on three on S is called a geodesic path on the surface and the shortest distance between two points on S is called

  11. 2D and 3D Visibility in Discrete Geometry: an application to discrete geodesic paths

    E-Print Network [OSTI]

    Boyer, Edmond

    1 2D and 3D Visibility in Discrete Geometry: an application to discrete geodesic paths D discrete geodesic paths in discrete domain with obstacles. This allows us to introduce a new geodesic metric in discrete geometry. Keywords: discrete visibility, geodesic path, distance transform, discrete

  12. Transition Path, Quasi-potential Energy Landscape and Stability of Genetic Switches Xiaoguang Li,2

    E-Print Network [OSTI]

    Li, Tiejun

    Transition Path, Quasi-potential Energy Landscape and Stability of Genetic Switches Cheng Lv,1, reconstructing the global quasi-potential energy landscape, analyzing the uphill and downhill transition paths the properties of transition paths, discuss their relation to the quasi-potential energy landscape

  13. Sustainable Infrastructure Practices Bicycle Paths & Parking Areas, Page 1 UC SANTA BARBARA

    E-Print Network [OSTI]

    Bigelow, Stephen

    Sustainable Infrastructure Practices ­ Bicycle Paths & Parking Areas, Page 1 UC SANTA BARBARA Sustainable Infrastructure Practices ­ Bicycle Paths and Parking Areas Contact: Administrative Services BICYCLE PATHS AND PARKING AREAS OVERVIEW The bicycle system at UCSB is a primary element of the campus

  14. Advanced method for turbine steam path deterioration and performance analysis

    SciTech Connect (OSTI)

    Kubiak, J.; Angel, F. del; Carnero, A.; Campos, A.; Urquiza, G.; Marino, C.; Villegas, M. [Inst. de Investigaciones Electricas, Temixco, Morelos (Mexico). Div. Sistemas Mecanicos

    1996-12-31T23:59:59.000Z

    The deterioration of a Steam Path affects the efficiency of a turbine. The most critical factors which affect the efficiency of steam and gas turbines are: seals wearing out, deposits, corrosion which causes material losses, solid particle erosion which leads to severe blade trailing edge material losses and others. Computer programs for design analysis of steam and gas turbines were developed. The input data are the steam or gas parameters before and after the turbine, mass flow and the blade path geometry (length, width, diameter, metal angles and clearances). The program calculates steam and gas parameters and their deviation from the design data. The blade path deterioration changes the dimensions such as blade throat, and in extreme cases also the angles. Putting the actual geometry into the program, the deviations from the design points are calculated exactly. The deviations expressed in kW as losses per stage are determined and listed. The paper briefly describes the program algorithm, sensitivity to geometry measurement errors and overall exactitude. Also, examples from field evaluations of some turbines are presented and illustrated. These tools are very helpful to the management the power plants in undertaking a correct decision concerning the date of the next major maintenance and replacement part procurement. The data gathered can be utilized for a more precise performance diagnostic during operation of the turbine.

  15. Water Quality

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

    of desalination research. The primary technological method of generating additional water supplies is through desalination and enhanced water reuse and recycling technologies....

  16. VALIDATION OF CLOUD LIQUID WATER PATH RETRIEVALS FROM SEVIRI ON METEOSAT-8 USING CLOUDNET OBSERVATIONS

    E-Print Network [OSTI]

    Haak, Hein

    of the Earth and its atmosphere through their interaction with solar and thermal radiation (King and Tsay, 1997 forecast models. The Intergovernmental Panel on Climate Change calls for more measurements on cloud forecast models. The radiative behavior of clouds depends predominantly on cloud properties

  17. Determination of Ice Water Path Over the ARM SGP Using Combined Surface and Satellite Datasets

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phasesData FilesShape, Density,TiO2(110). | EMSLDetermination of Ice

  18. Determining Cloud Ice Water Path from High-Frequency Microwave Measurements

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phasesData FilesShape, Density,TiO2(110). |Gas-phase TracerDetermining

  19. Validation of Satellite-Derived Liquid Water Paths Using ARM SGP Microwave Radiometers

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism inS-4500II FieldVacancy-InducedCloud Properties

  20. Frequency dependent seismic reflection analysis: a path to new direct hydrocarbon indicators for deep water reservoirs

    E-Print Network [OSTI]

    Yoo, Seung Chul

    2009-06-02T23:59:59.000Z

    To better study frequency related e?ects such as attenuation and tuning, we developed a frequency dependent seismic re?ection analysis. Comprehensive tests on full waveform synthetics and observations from the Teal South ocean bottom seismic (OBS...

  1. Equations Governing Space-Time Variability of Liquid Water Path in Stratus Clouds

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsing ZirconiaPolicy and Assistance EnvironmentalEnzymeEnzymeCr1st QuarterEquations

  2. Remote Spectroscopic Sounding of Liquid Water Path in Thick Clouds in Winter Conditions

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 -the Mid-Infrared at 278, 298,NIST31 ORV 15051 ModificationRemoteSpectrum

  3. Microphysical Properties of Clouds with Low Liquid Water Paths: An Update from Clouds with Low Optical (Water) Depth

    SciTech Connect (OSTI)

    Turner, D.D.; Flynn, C.; Long, C.; McFarlane, S.; Vogelmann, A.; Johnson, K.; Miller, M.; Chiu, C.; Marshak, A.; Wiscombe, W.; Clough, S.A.; Heck, P.; Minnis, P.; Liljegren, J.; Min, Q.; O'Hirok, W.; Wang, Z.

    2005-03-18T23:59:59.000Z

    Clouds play a critical role in the modulation of the radiative transfer in the atmosphere, and how clouds interact with radiation is one of the primary uncertainties in global climate models (GCMs). To reduce this uncertainty, the U.S. Department of Energy's Atmospheric Radiation Measurement (ARM) program collects an immense amount of data from its Climate Research Facilities (CRFs); these data include observations of radiative fluxes, cloud properties from active and passive remote sensors, upper atmospheric soundings, and other observations. The program's goal is to use these coincident, longterm observations to improve the parameterization of radiative transfer in clear and cloudy atmospheres in GCMs.

  4. Integration of Global Positioning System and Scanning Water Vapor Radiometers for Precipitable Water Vapor and Cloud Liquid Path Estimates

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsingFunInfrared Land SurfaceVirus-Infected Macaques

  5. Marketing water

    E-Print Network [OSTI]

    Wythe, Kathy

    2008-01-01T23:59:59.000Z

    management, water conservation programs Story by Kathy Wythe tx H2O | pg. 17 public information programs and materials that increase awareness about regional water issues. The company recently opened the TecH2O, a water resource learning center...tx H2O | pg. 16 W ith rapid population growth and the memory of the worst drought in 50 years, cities and groups are promoting programs that educate their constituents about water quality, water conservation, and landscape management. Many...

  6. Graphene-based battery electrodes having continuous flow paths

    SciTech Connect (OSTI)

    Zhang, Jiguang; Xiao, Jie; Liu, Jun; Xu, Wu; Li, Xiaolin; Wang, Deyu

    2014-05-24T23:59:59.000Z

    Some batteries can exhibit greatly improved performance by utilizing electrodes having randomly arranged graphene nanosheets forming a network of channels defining continuous flow paths through the electrode. The network of channels can provide a diffusion pathway for the liquid electrolyte and/or for reactant gases. Metal-air batteries can benefit from such electrodes. In particular Li-air batteries show extremely high capacities, wherein the network of channels allow oxygen to diffuse through the electrode and mesopores in the electrode can store discharge products.

  7. An Open-path Laser Transmissometer for Atmospheric Extinction Measurements

    SciTech Connect (OSTI)

    Chandran, P. M. Satheesh; Krishnakumar, C. P.; Varma, Ravi [Department of Physics, National Institute of Technology Calicut, Calicut, Kerala 673 601 (India); Yuen, Wangki; Rood, Mark J. [Department of Civil and Environmental Engineering, University of Illinois Urbana-Champaign, Urbana (United States)

    2011-10-20T23:59:59.000Z

    A transmissometer is an optical instrument which measures transmitted intensity of monochromatic light over a fixed pathlength. Prototype of a simple laser transmissometer has been developed for transmission (or extinction) measurements through suspended absorbers and scatterers in the atmosphere over tens of meters. Instrument consists of a continuous green diode pumped solid state laser, transmission optics, photodiode detectors and A/D data acquisition components. A modulated laser beam is transmitted and subsequently reflected and returned to the unit by a retroreflecting mirror assembly placed several tens of meters away. Results from an open-path field measurement of the instrument are described.

  8. InAs HEMTs: the path to THz electronics?

    E-Print Network [OSTI]

    del Alamo, Jes√ļs A.

    InAs HEMTs: the path to THz electronics? J. A. del Alamo Microsystems Technology Laboratories, MITT III-V HEMTs: megatrends 4 Over time: Lg, InxGa1-xAs channel xInAs InP lattice constant GaAs latt/Pt/Au Schottky gate - Lg=30 nm - Lside=150 nmKim, EDL 2010 Lg=30 nm InAs HEMT #12;-0.6 -0.4 -0.2 0.0 0.2 0.0 0

  9. Amplification of maximally-path-entangled number states

    SciTech Connect (OSTI)

    Agarwal, G. S.; Rai, Amit [Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078 (United States); Chaturvedi, S. [School of Physics, University of Hyderabad, Hyderabad 500046 (India)

    2010-04-15T23:59:59.000Z

    We examine the behavior of a non-Gaussian state like the maximally path-entangled number state commonly known as a N00N state under phase-insensitive amplification. We derive an analytical result for the density matrix of the N00N state for arbitrary gain of the amplifier. We consider cases of both symmetric and antisymmetric amplification of the two modes of the N00N state. We quantitatively evaluate the loss of entanglement by the amplifier in terms of the logarithmic negativity parameter. We find that N00N states are more robust than their Gaussian counterparts.

  10. Path-sensitive analysis for reducing rollback overheads

    DOE Patents [OSTI]

    O'Brien, John K.P.; Wang, Kai-Ting Amy; Yamashita, Mark; Zhuang, Xiaotong

    2014-07-22T23:59:59.000Z

    A mechanism is provided for path-sensitive analysis for reducing rollback overheads. The mechanism receives, in a compiler, program code to be compiled to form compiled code. The mechanism divides the code into basic blocks. The mechanism then determines a restore register set for each of the one or more basic blocks to form one or more restore register sets. The mechanism then stores the one or more register sets such that responsive to a rollback during execution of the compiled code. A rollback routine identifies a restore register set from the one or more restore register sets and restores registers identified in the identified restore register set.

  11. Effects of flow paths on tight gas well performance

    E-Print Network [OSTI]

    Ganpule, Sameer Vasant

    2001-01-01T23:59:59.000Z

    , r? (3-10) Derivative is then defined as, ~PwD d(inr. ) (3-1 I) The late radial flow regime will develop when the pressure transient reaches the top and bottom boundaries. At that time the pressure transient will stop moving in vertical... 2001 Major Subject: Petroleum Engineering EFFECTS OF FLOW PATHS ON TIGHT GAS WELL PERFORMANCE A Thesis by SAMEER VASANT GANPULE Submitted to Texas ARM University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE...

  12. Path to High Efficiency Gasoline Engine | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department ofT ib l L d F SSalesOE0000652Grow Your EnergyTechnology to Market ¬ĽPath to High

  13. The Path to Program Sustainability | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage ¬Ľof EnergyThe Energy Department Feeds11,IndustrialDepartment of2The Path to

  14. A Surprising Path for Proton Transfer Without Hydrogen Bonds

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered¬ČPNGExperience hands-onASTROPHYSICSHeResearch StochasticA Surprising Path

  15. A Surprising Path for Proton Transfer Without Hydrogen Bonds

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered¬ČPNGExperience hands-onASTROPHYSICSHeResearch StochasticA Surprising PathA

  16. A Surprising Path for Proton Transfer Without Hydrogen Bonds

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered¬ČPNGExperience hands-onASTROPHYSICSHeResearch StochasticA Surprising PathAA

  17. A Surprising Path for Proton Transfer Without Hydrogen Bonds

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered¬ČPNGExperience hands-onASTROPHYSICSHeResearch StochasticA Surprising PathAAA

  18. Status Report on Paths to Closure | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage ¬Ľ SearchEnergyDepartmentScopingOverviewFranklin M.EngineReport on Paths to

  19. A Surprising Path for Proton Transfer Without Hydrogen Bonds

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert SouthwestTechnologies |November 2011A FirstEMSL ShellA StandardA Surprising Path

  20. Geodesic Particle Paths Inside a Nonrotating, Homogeneous, Spherical Body

    E-Print Network [OSTI]

    Homer G. Ellis

    2012-10-18T23:59:59.000Z

    Proceeding from a solution of field equations that are improved versions of Einstein's nonvacuum gravitational field equations one is able to calculate precisely the trajectories of particles traveling inside a nonrotating, homogeneous, spherical body. Application of the results to the conditions of recent measurements of neutrino flight times between a source point A at CERN's European Laboratory for Particle Physics and a point B in either of two detectors (ICARUS or OPERA) at LNGS (Laboratori Nazionale del Gran Sasso), separated by a euclidean distance d(A,B) = 731 km, predicts for the flight time from A to B of a 2 eV neutrino launched with energy 17 GeV, as measured by a clock at B synchronized to a similar clock at A, approximately d/c + 9.3 x 10^{-16} sec. But as measured by inertial observers along the path the predicted flight time is approximately d/c - 2.6 x 10^{-9} sec and the predicted path length is approximately d - 8.4 x 10^{-7} m, which yields c + 321 m/sec for the predicted average inertially referenced speed of the neutrino from A to B.

  1. DISPOSITION PATHS FOR ROCKY FLATS GLOVEBOXES: EVALUATING OPTIONS

    SciTech Connect (OSTI)

    Lobdell, D.; Geimer, R.; Larsen, P.; Loveland, K.

    2003-02-27T23:59:59.000Z

    The Kaiser-Hill Company, LLC has the responsibility for closure activities at the Rocky Flats Environmental Technology Site (RFETS). One of the challenges faced for closure is the disposition of radiologically contaminated gloveboxes. Evaluation of the disposition options for gloveboxes included a detailed analysis of available treatment capabilities, disposal facilities, and lifecycle costs. The Kaiser-Hill Company, LLC followed several processes in determining how the gloveboxes would be managed for disposition. Currently, multiple disposition paths have been chosen to accommodate the needs of the varying styles and conditions of the gloveboxes, meet the needs of the decommissioning team, and to best manage lifecycle costs. Several challenges associated with developing a disposition path that addresses both the radiological and RCRA concerns as well as offering the most cost-effective solution were encountered. These challenges included meeting the radiological waste acceptance criteria of available disposal facilities, making a RCRA determination, evaluating treatment options and costs, addressing void requirements associated with disposal, and identifying packaging and transportation options. The varying disposal facility requirements affected disposition choices. Facility conditions that impacted decisions included radiological and chemical waste acceptance criteria, physical requirements, and measurement for payment options. The facility requirements also impacted onsite activities including management strategies, decontamination activities, and life-cycle cost.

  2. Thermodynamic properties of interfacial water from its infrared signatures

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    .g., 1]. This justifies the intensity of researches about high resolution measurements of solids surfaces, published in "16th International Conference on the Properties of Water and Steam, Londres : Royaume condenser. We use a double path single masking aperture size of 3x3 ¬Ķm which allows us to work in dual

  3. High-resolution terahertz atmospheric water vapor continuum measurements

    E-Print Network [OSTI]

    Massachusetts at Lowell, University of

    High-resolution terahertz atmospheric water vapor continuum measurements David M. Slocum,* Thomas M such as pollution monitoring and the detection of energetic chemicals using remote sensing over long path lengths through the atmosphere. Although there has been much attention to atmospheric effects over narrow

  4. Spectrally resolved spatiotemporal features of quantum paths in high-order harmonic generation

    E-Print Network [OSTI]

    He, Lixin; Zhang, Qingbin; Zhai, Chunyang; Wang, Feng; Shi, Wenjing; Lu, Peixiang

    2015-01-01T23:59:59.000Z

    We experimentally disentangle the contributions of different quantum paths in high-order harmonic generation (HHG) from the spectrally and spatially resolved harmonic spectra. By adjusting the laser intensity and focusing position, we simultaneously observe the spectrum splitting, frequency shift and intensity-dependent modulation of harmonic yields both for the short and long paths. Based on the simulations, we discriminate the physical mechanisms of the intensity-dependent modulation of HHG due to the quantum path interference and macroscopic interference effects. Moreover, it is shown that the atomic dipole phases of different quantum paths are encoded in the frequency shift. In turn, it enables us to retrieve the atomic dipole phases and the temporal chirps of different quantum paths from the measured harmonic spectra. This result gives an informative mapping of spatiotemporal and spectral features of quantum paths in HHG.

  5. ATP Hydrolysis in Water -A Density Functional Study J. Akola and R. O. Jones*

    E-Print Network [OSTI]

    ATP Hydrolysis in Water - A Density Functional Study J. Akola and R. O. Jones* Institut fu¨r Festko 5-triphosphate (ATP) is a basic energy carrier in cellular metabolism. As a high-energy intermediate-dependent hydrolysis reaction. Two paths for ATP hydrolysis in water with Mg2+ are studied here using the density

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

    E-Print Network [OSTI]

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

    2006-01-01T23:59:59.000Z

    Schemes for sustainable energy systemsĒ. InternationalPaths to promote Sustainable Energy Systems - The dynamicmoney - for promoting sustainable energy systems - be spent

  7. Electrical Signal Path Study and Component Assay for the MAJORANA N-Type Segmented Contact Detector

    E-Print Network [OSTI]

    Amman, Mark

    2011-01-01T23:59:59.000Z

    Study 3.1 Baseline Electrical Con?guration and DetectorElectrical Signal Path Study and Component Assay for thethe mechanical design, electrical readout performance, and

  8. AHSS Stamping Project ? A/SP 050; Nonlinear Strain Paths Project...

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

    More Documents & Publications Nonlinear Strain Paths Advanced High-Strength Steel Stamping Characterization of Thermo-Mechanical Behaviors of Advanced High Strength Steels (AHSS)...

  9. E-Print Network 3.0 - automatic beam path Sample Search Results

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

    axis paths only... of obstacles is to some extent automat- ically accounted for, as beams are themselves of finite transverse... leads to "automatic" grouping of rays, which...

  10. Millimeter-wave Radiometer for High Sensitivity Water Vapor Profiling in Arid Regions

    SciTech Connect (OSTI)

    Pazmany, Andrew

    2006-11-09T23:59:59.000Z

    Abstract - ProSensing Inc. has developed a G-band (183 GHz) water Vapor Radiometer (GVR) for long-term, unattended measurements of low concentrations of atmospheric water vapor and liquid water. Precipitable water vapor and liquid water path are estimated from zenith brightness temperatures measured from four double-sideband receiver channels, centered at 183.31 1, 3 and 7, and 14 GHz. A prototype ground-based version of the instrument was deployed at the DOE ARM program?s North Slope of Alaska site near Barrow AK in April 2005, where it collected data continuously for one year. A compact, airborne version of this instrument, packaged to operate from a standard 2-D PMS probe canister, has been tested on the ground and is scheduled for test flights in the summer of 2006. This paper presents design details, laboratory test results and examples of retrieved precipitable water vapor and liquid water path from measured brightness temperature data.

  11. UNL WATER CENTER WATER CURRENT

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    ................ Sidney Area Deals with Drought 6................ Water and Electricity Are Inseparable 10's East Campus. "Consolidating administration,faculty and staff and facilities is costeffectiveandper or commercial products constitute endorsement by the U.S. Government. WATER CURRENT Water Center University

  12. UNL WATER CENTER WATER CURRENT

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    INSIDE UNL WATER CENTER WATER CURRENT PROTECTING NEBRASKA√≠S WATER RESOURCES THROUGH RESEARCH with a vision, there√≠s an untapped market using resources right under our feet,√ģ the University of Nebraska outdoors in India, Bangladesh, China and Viet- nam. Thousands of them have been grown to harvest

  13. Hydrogen molecule ion: Path-integral Monte Carlo approach

    SciTech Connect (OSTI)

    Kylaenpaeae, I.; Leino, M.; Rantala, T. T. [Institute of Physics, Tampere University of Technology, P.O. Box 692, FI-33101 Tampere (Finland)

    2007-11-15T23:59:59.000Z

    The path-integral Monte Carlo approach is used to study the coupled quantum dynamics of the electron and nuclei in hydrogen molecule ion. The coupling effects are demonstrated by comparing differences in adiabatic Born-Oppenheimer and nonadiabatic simulations, and inspecting projections of the full three-body dynamics onto the adiabatic Born-Oppenheimer approximation. Coupling of the electron and nuclear quantum dynamics is clearly seen. The nuclear pair correlation function is found to broaden by 0.040a{sub 0}, and the average bond length is larger by 0.056a{sub 0}. Also, a nonadiabatic correction to the binding energy is found. The electronic distribution is affected less than the nuclear one upon inclusion of nonadiabatic effects.

  14. Metabolic paths in world economy and crude oil price

    E-Print Network [OSTI]

    Picciolo, Francesco; Ruzzenenti, Franco

    2015-01-01T23:59:59.000Z

    In 1983 Hamilton demonstrated the correlation between the price of oil and gross national product for the U.S. economy. A prolific literature followed exploring the potential correlation of oil prices with other important indices like inflation, industrial production, and food prices, using increasingly refined tools. Our work sheds new light on the role of oil prices in shaping the world economy by investigating the metabolic paths of value across trade between 1960 and 2010, by means of Markov Chain analysis. We show that the interdependence of countries' economies are strictly (anti)correlated to the price of oil. We observed a remarkably high correlation of 0.85, unmatched by any former study addressing the correlation between oil price and major economic indicators.

  15. A Multi-Path Interferometer on an Atom Chip

    E-Print Network [OSTI]

    Jovana Petrovic; Ivan Herrera; Pietro Lombardi; Francesco S. Cataliotti

    2011-11-18T23:59:59.000Z

    Cold-atom interferometry is a powerful tool for high-precision measurements of the quantum properties of atoms, many-body interactions and gravity. Further enhancement of sensitivity and reduction of complexity of these devices are crucial conditions for success of their applications. Here we introduce a multi-path interferometric scheme that offers advances in both these aspects. It uses coherent coupling between Bose-Einstein condensates in different Zeeman states to generate an interferometric signal with sharp fringes. We realise such an interferometer as a compact easy-to-use atom-chip device and thus provide an alternative method for measurement of the light-atom and surface-atom interactions.

  16. A Multi-Path Interferometer on an Atom Chip

    E-Print Network [OSTI]

    Petrovic, Jovana; Lombardi, Pietro; Cataliotti, Francesco S

    2011-01-01T23:59:59.000Z

    Cold-atom interferometry is a powerful tool for high-precision measurements of the quantum properties of atoms, many-body interactions and gravity. Further enhancement of sensitivity and reduction of complexity of these devices are crucial conditions for success of their applications. Here we introduce a multi-path interferometric scheme that offers advances in both these aspects. It uses coherent coupling between Bose-Einstein condensates in different Zeeman states to generate an interferometric signal with sharp fringes. We realise such an interferometer as a compact easy-to-use atom-chip device and thus provide an alternative method for measurement of the light-atom and surface-atom interactions.

  17. Path Integral Confined Dirac Fermions in a Constant Magnetic Field

    E-Print Network [OSTI]

    Abdeldjalil Merdaci; Ahmed Jellal; Lyazid Chetouani

    2014-04-17T23:59:59.000Z

    We consider Dirac fermion confined in harmonic potential and submitted to a constant magnetic field. The corresponding solutions of the energy spectrum are obtained by using the path integral techniques. For this, we begin by establishing a symmetric global projection, which provides a symmetric form for the Green function. Based on this, we show that it is possible to end up with the propagator of the harmonic oscillator for one charged particle. After some transformations, we derive the normalized wave functions and the eigenvalues in terms of different physical parameters and quantum numbers. By interchanging quantum numbers, we show that our solutions possed interesting properties. The density of current and the non-relativistic limit are analyzed where different conclusions are obtained.

  18. Modulated Tool-Path (MTP) Chip Breaking System

    SciTech Connect (OSTI)

    Graham, K. B.

    2010-04-01T23:59:59.000Z

    The Modulated Tool-Path (MTP) Chip Breaking System produces user-selectable chip lengths and workpiece finishes and is compatible with any material, workpiece shape, and depth of cut. The MTP chip breaking system consistently creates the desired size of chips regardless of workpiece size, shape, or material, and the machine operator does not need to make any adjustments during the machining operation. The system's programmer configures the part program that commands the machine tool to move in a specific fashion to deliver the desired part size, shape, chip length, and workpiece surface finish. The MTP chip breaking system helps manufacturers avoid the detrimental effects of continuous chips, including expensive repair costs, delivery delays, and hazards to personnel.

  19. Light absorption cell combining variable path and length pump

    DOE Patents [OSTI]

    Prather, William S. (2419 Dickey Rd., Augusta, GA 30906)

    1993-01-01T23:59:59.000Z

    A device for use in making spectrophotometric measurements of fluid samples. In particular, the device is a measurement cell containing a movable and a fixed lens with a sample of the fluid therebetween and through which light shines. The cell is connected to a source of light and a spectrophotometer via optic fibers. Movement of the lens varies the path length and also pumps the fluid into and out of the cell. Unidirectional inlet and exit valves cooperate with the movable lens to assure a one-way flow of fluid through the cell. A linear stepper motor controls the movement of the lens and cycles it from a first position closer to the fixed lens and a second position farther from the fixed lens, preferably at least 10 times per minute for a nearly continuous stream of absorption spectrum data.

  20. Light absorption cell combining variable path and length pump

    DOE Patents [OSTI]

    Prather, W.S.

    1993-12-07T23:59:59.000Z

    A device is described for use in making spectrophotometric measurements of fluid samples. In particular, the device is a measurement cell containing a movable and a fixed lens with a sample of the fluid there between and through which light shines. The cell is connected to a source of light and a spectrophotometer via optic fibers. Movement of the lens varies the path length and also pumps the fluid into and out of the cell. Unidirectional inlet and exit valves cooperate with the movable lens to assure a one-way flow of fluid through the cell. A linear stepper motor controls the movement of the lens and cycles it from a first position closer to the fixed lens and a second position farther from the fixed lens, preferably at least 10 times per minute for a nearly continuous stream of absorption spectrum data. 2 figures.

  1. Long-length contaminated equipment disposal process path document

    SciTech Connect (OSTI)

    McCormick, W.A.

    1998-09-30T23:59:59.000Z

    The first objective of the LLCE Process Path Document is to guide future users of this system on how to accomplish the cradle-to-grave process for the disposal of long-length equipment. Information will be provided describing the function and approach to each step in the process. Pertinent documentation, prerequisites, drawings, procedures, hardware, software, and key interfacing organizations will be identified. The second objective is related to the decision to lay up the program until funding is made available to complete it or until a need arises due to failure of an important component in a waste tank. To this end, the document will identify work remaining to be completed for each step of the process and open items or issues that remain to be resolved.

  2. Water Conservation and Water Use Efficiency (Wisconsin)

    Broader source: Energy.gov [DOE]

    Wisconsin has several statutes that promote water conservation and controlled water use, and this legislation establishes mandatory and voluntary programs in water conservation and water use...

  3. Arnold Schwarzenegger WATER HEATERS AND HOT WATER

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor WATER HEATERS AND HOT WATER DISTRIBUTION SYSTEMS: Lutz J.D. (Lawrence Berkeley National Laboratory). 2008. Water Heaters and Hot Water Distribution

  4. Ground-Based Microwave Study of LWP Spatial Anisotropy in Winter Clouds

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsingFun with Big Sky LearningGetGraphene's 3DRise |EnergyVehicles

  5. Ground Water Ground Sky Sky Water Vegetation Ground Vegetation Water

    E-Print Network [OSTI]

    Chen, Tsuhan

    Bear Snow Vegetation RhinoWater Vegetation Ground Water Ground Sky Sky Rhino Water Vegetation Ground Vegetation Water Rhino Water Vegetation Ground Rhino Water Rhino Water Ground Ground Vegetation Water Rhino Vegetation Rhino Vegetation Ground Rhino Vegetation Ground Sky Rhino Vegetation Ground Sky

  6. ARM Evaluation Product : Droplet Number Concentration Value-Added Product

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Riihimaki, Laura

    Cloud droplet number concentration is an important factor in understanding aerosol-cloud interactions. As aerosol concentration increases, it is expected that droplet number concentration, Nd, will increase and droplet size decrease, for a given liquid water path (Twomey 1977), which will greatly affect cloud albedo as smaller droplets reflect more shortwave radiation. However, the magnitude and variability of these processes under different environmental conditions is still uncertain. McComiskey et al. (2009) have implemented a method, based on Boers and Mitchell (1994), for calculating Nd from ground-based remote sensing measurements of optical depth and liquid water path. They show that the magnitude of the aerosol-cloud interactions (ACI) varies with a range of factors, including the relative value of the cloud liquid water path (LWP), the aerosol size distribution, and the cloud updraft velocity. Estimates of Nd under a range of cloud types and conditions and at a variety of sites are needed to further quantify the impacts of aerosol cloud interactions.

  7. ARM Evaluation Product : Droplet Number Concentration Value-Added Product

    SciTech Connect (OSTI)

    Riihimaki, Laura

    2014-05-15T23:59:59.000Z

    Cloud droplet number concentration is an important factor in understanding aerosol-cloud interactions. As aerosol concentration increases, it is expected that droplet number concentration, Nd, will increase and droplet size decrease, for a given liquid water path (Twomey 1977), which will greatly affect cloud albedo as smaller droplets reflect more shortwave radiation. However, the magnitude and variability of these processes under different environmental conditions is still uncertain. McComiskey et al. (2009) have implemented a method, based on Boers and Mitchell (1994), for calculating Nd from ground-based remote sensing measurements of optical depth and liquid water path. They show that the magnitude of the aerosol-cloud interactions (ACI) varies with a range of factors, including the relative value of the cloud liquid water path (LWP), the aerosol size distribution, and the cloud updraft velocity. Estimates of Nd under a range of cloud types and conditions and at a variety of sites are needed to further quantify the impacts of aerosol cloud interactions.

  8. Computerized Waters

    E-Print Network [OSTI]

    Wythe, Kathy

    2006-01-01T23:59:59.000Z

    - ing 2002?2005 and documented in TWRI?s Technical Report 284 released in January 2006, include: ? Capabilities for short-term reliability analyses based on current storage conditions (Or what is the likelihood of meeting water needs in the near... System Reference Manual. TWRI Technical Report 255, Second Edition, April 2005. ? Water Rights Analysis Package Modeling System Users Manual. TWRI Technical Report 256, Second Edition, April 2005. ? Fundamentals of Water Availability Modeling...

  9. inequality path inequality path

    E-Print Network [OSTI]

    Skogestad, Sigurd

    F #12; ¬° ¬° ¬® ¬£ ¬Ę ¬•¬Ę ¬° ¬°¬Ę ¬° ¬£ ¬£ ¬§ ¬Ę ¬© ¬§ ¬• ¬¶¬®¬ß ¬Ę ¬§ ¬© ¬£ ¬Ę ¬° ¬§ ¬° ¬§ ¬Ę ¬© ¬Ę ¬§ ¬§ ¬£ ¬§ ¬Ę ¬° ¬¶ S-PVC; ¬°¬Ę ¬¶ ¬£¬§ ¬¶ ¬§ ¬§ ¬° ¬Ę ¬§ ¬Ę ¬© ¬° ¬Ę ¬¶ ¬° ¬Ę ¬• ¬© ¬ß ¬Ę ¬£¬§ ¬© ¬° ¬°¬Ę ¬° ¬£ ¬ß¬® ¬® $ S-PVC suspension F TC Theat 90C 50C o o (ii) (i) Fsteam cw ¬ß¬® ¬® $ $ S-PVC suspension TC T 50C o susp F Fcw steam ¬ß¬® ¬® $ $ $ S-PVC suspension TC T 50C o susp z=0 Fsteam Fcw #12

  10. Water Quality

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

    which can lead to public health problems. * MtBE (Methyl tert Butyl Ether), a gasoline additive, has begun to contaminate ground water supplies. * Similarly, perchlorate has...

  11. Water Management

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

    Water Management This department applies multi-disciplinary science and technology-based modeling to assess complex environmental systems. It integrates ecology, anthropology, and...

  12. Zero discounting and optimal paths of depletion of an exhaustible resource with an

    E-Print Network [OSTI]

    Boyer, Edmond

    ...le of the optimal paths. We show that, in the Cobb-Douglas case, the ratio of the values of the resource and capitalZero discounting and optimal paths of depletion of an exhaustible resource with an amenity value Dasgupta≠Heal≠Solow model when the stock of natural capital is a direct argument of well-being, besides

  13. On the complexity of hamiltonian path and cycle problems in certain classes of digraphs

    E-Print Network [OSTI]

    Gutin, Gregory

    -Jensen Gregory Gutin Abstract We survey results on the sequential and parallel complexity of hamiltonian path results on hamiltonian paths starting in a specified vertex for a quite general class of digraphs. 1 in Rostock, September 8-10 1997. The purpose of the paper is to survey results on the complexity

  14. Coordinated Computation of Multi-layer Paths via Inter-layer PCE Communication: Standards,

    E-Print Network [OSTI]

    Politècnica de Catalunya, Universitat

    Coordinated Computation of Multi-layer Paths via Inter-layer PCE Communication: Standards Lab, Spain Email: {xmasip, yannuzzi}@ac.upc.edu Abstract--The Path Computation Element (PCE) is positioned nowadays as one of the solutions that almost every carrier will eventually deploy. The PCE

  15. Paths and Kostka-Macdonald Polynomials Anatol N. KIRILLOV and Reiho SAKAMOTO

    E-Print Network [OSTI]

    RIMS-1654 Paths and Kostka-Macdonald Polynomials By Anatol N. KIRILLOV and Reiho SAKAMOTO February 2009 RESEARCH INSTITUTE FOR MATHEMATICAL SCIENCES KYOTO UNIVERSITY, Kyoto, Japan #12;Paths and Kostka­Macdonald­Ball systems, Kostka­Macdonald polynomials. 1 #12;1 Introduction The purpose of the present paper is two

  16. Quantum free-energy differences from nonequilibrium path integrals. II. Convergence properties for the harmonic oscillator

    E-Print Network [OSTI]

    Schofield, Jeremy

    Quantum free-energy differences from nonequilibrium path integrals. II. Convergence properties July 2008; published 2 October 2008 Nonequilibrium path-integral methods for computing quantum free-energy with the purpose of establishing the convergence properties of the work distribution and free energy as the number

  17. INVESTIGATION OF THE PERFORMANCE OF EP-BAVP (EVOLUTIONARY PROGRAMMING FOR VIRTUAL PATH

    E-Print Network [OSTI]

    Pitsillides, Andreas

    INVESTIGATION OF THE PERFORMANCE OF EP-BAVP (EVOLUTIONARY PROGRAMMING FOR VIRTUAL PATH BANDWIDTH investigate the usefulness of an evolutionary programming (EP) optimization algorithm for tackling the problem of Bandwidth Allocation for Virtual Paths (EP-BAVP). Results for two network topologies obtained with EP

  18. Path planning for UAVs under communication constraints using SPLAT! and MILP

    E-Print Network [OSTI]

    Johansen, Tor Arne

    -rescue tasks [3]. In general, autonomous vehicles are chosen for tasks that are either dirty, dull or dangerous will in this paper address the problem of offline path planning for Unmanned Aerial Vehicles (UAVs). Our goal is to find paths that meet mission objectives, are safe with respect to collision and grounding, fuel

  19. Geodesic Paths on Triangular Meshes DIMAS MARTINEZ, LUIZ VELHO, PAULO CEZAR CARVALHO

    E-Print Network [OSTI]

    Geodesic Paths on Triangular Meshes DIMAS MART¬īINEZ, LUIZ VELHO, PAULO CEZAR CARVALHO IMPA dimasmm,lvelho,pcezar @visgraf.impa.br Abstract. We present a new algorithm to compute a geodesic path Geodesics theory, we are able to generate an iterative process to obtain a good discrete geodesic

  20. The Heavy Ion Fusion Virtual National Laboratory The Heavy Ion Path to Fusion Energy

    E-Print Network [OSTI]

    -consistent power plant design for a multi- beam induction linac, final focus and chamber propagationThe Heavy Ion Fusion Virtual National Laboratory The Heavy Ion Path to Fusion Energy Grant Logan Director Heavy-Ion Fusion Virtual National Laboratory Presented to FESAC Workshop on Development Paths

  1. On Setting up Energy-Efficient Paths with Transmitter Power Control

    E-Print Network [OSTI]

    Lyu, Michael R.

    On Setting up Energy-Efficient Paths with Transmitter Power Control in Wireless Sensor Networks Science Simon Fraser University Vancouver, Canada Email: jcliu@cs.sfu.ca Abstract-- Energy-efficiency could find a more energy-efficient path to the sink. We provide an efficient approximation algorithm

  2. A Hamilton Path Heuristic with Applications to the Middle Two Levels Problem

    E-Print Network [OSTI]

    Savage, Carla D.

    A Hamilton Path Heuristic with Applications to the Middle Two Levels Problem Ian Shields IBM P is to find a Hamilton cycle in the middle two levels, M 2k+1 , of the Hasse diagram of B 2k+1 (the partially. We show that if a Hamilton path between two distinguished vertices exists in a reduced graph

  3. Design Technical Brief A Geometric Path Planner for Car-like

    E-Print Network [OSTI]

    Deng, Jiansong

    Journal of Mechanical Design Technical Brief A Geometric Path Planner for Car-like Robots Shiang a refined slabbing method, originally used for free-flying robots, for finding efficient paths for nonholo- nomic robots. Our method takes kinematic constraints and rever- sal maneuvers into account. We create

  4. Energy-Aware Path Selection for Scheduled Lightpaths in IP-over-WDM Networks

    E-Print Network [OSTI]

    Kuipers, Fernando A.

    Energy-Aware Path Selection for Scheduled Lightpaths in IP-over-WDM Networks Song Yang and Fernando in the context of energy-aware routing. In this paper we study energy-efficient path selection under propose an energy-aware routing algorithm that is based on traffic grooming, but which has the flexibility

  5. Path Planning for Deformable Linear Objects Mark Moll, Member, IEEE and Lydia E. Kavraki, Member, IEEE

    E-Print Network [OSTI]

    Kavraki, Lydia E.

    -like robots. Index Terms-- path planning, deformation, minimal-energy curves, modeling, differential geometry of a wire subject to manipulation constraints. These configurations correspond to minimal-energy curves. By restricting the planner to minimal-energy curves, the execution of a path becomes easier. Our curve

  6. On the current conditions along the Ormen Lange pipeline path during an extreme, idealized storm

    E-Print Network [OSTI]

    Avlesen, Helge

    On the current conditions along the Ormen Lange pipeline path during an extreme, idealized storm-shore for processing by means of a pipeline. Due to the abrupt topography this pipeline will have many long free spans along a possible path for the pipeline, and in a simulation study the effects on the flow due

  7. Integrated Control-Path Design and Error Recovery in the Synthesis of Digital

    E-Print Network [OSTI]

    Chakrabarty, Krishnendu

    11 Integrated Control-Path Design and Error Recovery in the Synthesis of Digital Microfluidic Lab-on-Chip YANG ZHAO, TAO XU, and KRISHNENDU CHAKRABARTY Duke University Recent advances in digital microfluidics that incorporates control paths and an error- recovery mechanism in the design of a digital microfluidic lab

  8. iPlane Nano: Path Prediction for Peer-to-Peer Applications Harsha V. Madhyastha

    E-Print Network [OSTI]

    Krishnamurthy, Arvind

    iPlane Nano: Path Prediction for Peer-to-Peer Applications Harsha V. Madhyastha Ethan Katz present the design and implementa- tion of iPlane Nano, a library for delivering Internet path information to peer-to-peer applications. iPlane Nano is itself a peer-to-peer application, and scales to a large

  9. Optimization of a Dedicated Path Protected TDM/WDM PetaWeb

    E-Print Network [OSTI]

    Secci, Stefano

    Optimization of a Dedicated Path Protected TDM/WDM PetaWeb Architecture Stefano Secci , Brunilde.sanso@polymtl.ca Abstract This paper deals with the insertion of a dedicated path protection strat- egy in the design bit/s). Prior stud- ies of the same authors have tackled the optimization of a PetaWeb network

  10. The definition of reaction coordinates for reaction-path dynamics Gregory A. Natanson

    E-Print Network [OSTI]

    Truong, Thanh N.

    The definition of reaction coordinates for reaction-path dynamics Gregory A. Natanson Computer only small-amplitude deviations from a minimum-energy path (MEP) through nuclear coordinate space. Thus. In choosing the coordinate system, the critical issue is the definition of the reaction coordinate. Along

  11. The National Ignition Facility (NIF) A Path to Fusion Energy

    SciTech Connect (OSTI)

    Moses, E

    2006-11-27T23:59:59.000Z

    Fusion energy has long been considered a promising clean, nearly inexhaustible source of energy. Power production by fusion micro-explosions of inertial confinement fusion (ICF) targets has been a long term research goal since the invention of the first laser in 1960. The NIF is poised to take the next important step in the journey by beginning experiments researching ICF ignition. Ignition on NIF will be the culmination of over thirty years of ICF research on high-powered laser systems such as the Nova laser at LLNL and the OMEGA laser at the University of Rochester as well as smaller systems around the world. NIF is a 192 beam Nd-glass laser facility at LLNL that is more than 90% complete. The first cluster of 48 beams is operational in the laser bay, the second cluster is now being commissioned, and the beam path to the target chamber is being installed. The Project will be completed in 2009 and ignition experiments will start in 2010. When completed NIF will produce up to 1.8 MJ of 0.35 {micro}m light in highly shaped pulses required for ignition. It will have beam stability and control to higher precision than any other laser fusion facility. Experiments using one of the beams of NIF have demonstrated that NIF can meet its beam performance goals. The National Ignition Campaign (NIC) has been established to manage the ignition effort on NIF. NIC has all of the research and development required to execute the ignition plan and to develop NIF into a fully operational facility. NIF will explore the ignition space, including direct drive, 2{omega} ignition, and fast ignition, to optimize target efficiency for developing fusion as an energy source. In addition to efficient target performance, fusion energy requires significant advances in high repetition rate lasers and fusion reactor technology. The Mercury laser at LLNL is a high repetition rate Nd-glass laser for fusion energy driver development. Mercury uses state-o-the art technology such as ceramic laser slabs and light diode pumping for improved efficiency and thermal management. Progress in NIF, NIC, Mercury, and the path forward for fusion energy will be presented.

  12. Diode laser-based sensor system for long-path absorption measurements of atmospheric concentration and near-IR molecular spectral parameters

    SciTech Connect (OSTI)

    Goldstein, N.; Lee, J.; Adler-Golden, S.M.; Bien, F.

    1993-12-31T23:59:59.000Z

    Line-locked near-IR diode lasers and a simple retroreflector/telescope system were used for remote sensing of atmospheric constituents over long atmospheric paths. The experimental configuration used in preliminary measurements of atmospheric water vapor and oxygen with AlGaAs diode lasers is presented. A prototype field sensor system currently under development shares the same basic configuration but incorporates interchangeable AlGaAs and InGaAsP diode-laser modules for monitoring a variety of atmospheric gases.

  13. Investigating Water

    E-Print Network [OSTI]

    Howard Jr., Ronald A.

    2002-01-02T23:59:59.000Z

    ........................................................................................... 193 Lesson 11 Water and Pollution........................................................................................................................ 195 Activity 11.1, Pollution, Pollution, Everywhere...! ............................................................................. 205 Record Sheet 11.1, Pollution, Pollution, Everywhere! ..................................................................... 207 Activity 11.2, Pollution at Its Source...

  14. Water Privatisation†

    E-Print Network [OSTI]

    ZŲlls, Elisa

    2011-08-17T23:59:59.000Z

    This dissertation deals with the policy issues of large-scale, urban water privatisation projects in the face of uncertainty and variability. The main objective is to evaluate whether a single policy approach, namely privatisation associated...

  15. Parasitic Effects of Grounding Paths on Common-Mode EMI Filter's Performance in Power Electronics Systems

    SciTech Connect (OSTI)

    Wang, Shuo [ORNL; Maillet, Yoann [Virginia Polytechnic Institute and State University (Virginia Tech); Wang, Fei [ORNL; Lai, Rixin [General Electric; Luo, Fang [Virginia Polytechnic Institute and State University (Virginia Tech); Boroyevich, Dushan [Virginia Polytechnic Institute and State University (Virginia Tech)

    2010-01-01T23:59:59.000Z

    High-frequency common-mode (CM) electromagnetic-interference (EMI) noise is difficult to suppress in electronics systems. EMI filters are used to suppress CM noise, but their performance is greatly affected by the parasitic effects of the grounding paths. In this paper, the parasitic effects of the grounding paths on an EMI filter's performance are investigated in a motor-drive system. The effects of the mutual inductance between two grounding paths are explored. Guidelines for the grounding of CM EMI filters are derived. Simulations and experiments are finally carried out to verify the theoretical analysis.

  16. Local representation of N-body Coulomb energy with path integrals

    E-Print Network [OSTI]

    Takanori Sugihara; Junichi Higo; Haruki Nakamura

    2014-04-18T23:59:59.000Z

    We represent N-body Coulomb energy in a localized form to achieve massive parallelism. It is a well-known fact that Green's functions can be written as path integrals of field theory. Since two-body Coulomb potential is a Green's function of Poisson equations, it reduces to a path integral of free scalar field theory with three spatial dimensions. This means that N-body one also reduces to a path integral. We discretize real space with a cubic lattice and evaluate the obtained multiple integrals approximately with the Markov-chain Monte Carlo method.

  17. Maximum Entropy Models of Shortest Path and Outbreak Distributions in Networks

    E-Print Network [OSTI]

    Bauckhage, Christian; Hadiji, Fabian

    2015-01-01T23:59:59.000Z

    Properties of networks are often characterized in terms of features such as node degree distributions, average path lengths, diameters, or clustering coefficients. Here, we study shortest path length distributions. On the one hand, average as well as maximum distances can be determined therefrom; on the other hand, they are closely related to the dynamics of network spreading processes. Because of the combinatorial nature of networks, we apply maximum entropy arguments to derive a general, physically plausible model. In particular, we establish the generalized Gamma distribution as a continuous characterization of shortest path length histograms of networks or arbitrary topology. Experimental evaluations corroborate our theoretical results.

  18. Water Heaters and Hot Water Distribution Systems

    E-Print Network [OSTI]

    Lutz, Jim

    2012-01-01T23:59:59.000Z

    24 Figure 7. Comparison of Daily Water Heater28 Figure 8. Monitored Field Efficiency of Tankless Water28 Figure 9. Monitored Lab Efficiency of Tankless Water

  19. Water Heaters and Hot Water Distribution Systems

    E-Print Network [OSTI]

    Lutz, Jim

    2012-01-01T23:59:59.000Z

    Gas-fired Storage Water Heater .. 418 Assess Californiaís Small Gas Storage Water Heaters Small Gas Storage Water Heater Market The objective of

  20. Water Rights: Surface Water (Indiana)

    Broader source: Energy.gov [DOE]

    The Indiana Department of Natural Resources regulates the use and diversion of surface waters. An entity that creates additional stream volumes by releases from impoundments built and financed by...

  1. Electron mean free path from angle-dependent photoelectron spectroscopy of aerosol particles

    E-Print Network [OSTI]

    Goldmann, Maximilian; West, Adam H C; Yoder, Bruce L; Signorell, Ruth

    2015-01-01T23:59:59.000Z

    We propose angle-resolved photoelectron spectroscopy of aerosol particles as an alternative way to determine the electron mean free path of low energy electrons in solid and liquid materials. The mean free path is obtained from fits of simulated photoemission images to experimental ones over a broad range of different aerosol particle sizes. The principal advantage of the aerosol approach is twofold. Firstly, aerosol photoemission studies can be performed for many different materials, including liquids. Secondly, the size-dependent anisotropy of the photoelectrons can be exploited in addition to size-dependent changes in their kinetic energy. These finite size effects depend in different ways on the mean free path and thus provide more information on the mean free path than corresponding liquid jet, thin film, or bulk data. The present contribution is a proof of principle employing a simple model for the photoemission of electrons and preliminary experimental data for potassium chloride aerosol particles.

  2. E-Print Network 3.0 - adaptive paths give Sample Search Results

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

    Picture-perfect Streaming on the Internet Alix L.H. Chow Summary: by adapting the load distribution on the different paths (e.g., by send- ing less data on the more...

  3. Sketch-Based Path Design James McCrae Karan Singh

    E-Print Network [OSTI]

    Toronto, University of

    unexplored. These shape modeling interfaces [18, 31], Google SketchUp, are not suitable for conceptual path of flora and fauna [2] and architectural environments, such as Google SketchUp. The area of sketch

  4. Slip-Compensated Path Following for Planetary Exploration Daniel M. Helmick, Stergios I. Roumeliotis

    E-Print Network [OSTI]

    Waliser, Duane E.

    estimator, and a slip-compensated path following algorithm. Figure 2 provides a high-level functional block kinematics, described in Section 3, uses position sensor inputs from the joints and wheels of the rocker

  5. Efficient Computation of Shortest Path-Concavity for 3D Meshes Henrik Zimmer

    E-Print Network [OSTI]

    Kobbelt, Leif

    -wide distributions of measures are needed to accu- rately evaluate and compare local regions of shapes. Lien et al between mesh and convex hull, thereby reducing the continuous Shortest Path search to an effi- ciently

  6. Sampling-based coverage path planning for complex 3D structures

    E-Print Network [OSTI]

    Englot, Brendan J

    2012-01-01T23:59:59.000Z

    Path planning is an essential capability for autonomous robots, and many applications impose challenging constraints alongside the standard requirement of obstacle avoidance. Coverage planning is one such task, in which a ...

  7. CFD based rotordynamic coefficients for labyrinth seals and impeller leakage paths

    E-Print Network [OSTI]

    Bhattacharya, Avijit

    1997-01-01T23:59:59.000Z

    accurately using simple flow model like bulk flow. CFD approach is employed since it can accurately predict and capture recirculating zones using proper mesh distribution. The Impeller Leakage paths and Labyrinth Seals, typically, have a recirculation zone...

  8. THE ONE CLASS SUPPORT VECTOR MACHINE SOLUTION PATH Gyemin Lee and Clayton D. Scott

    E-Print Network [OSTI]

    Scott, Clayton

    THE ONE CLASS SUPPORT VECTOR MACHINE SOLUTION PATH Gyemin Lee and Clayton D. Scott Department that encloses a pre-speci ed probability mass of the distribution from which data are observed. Such sets

  9. Analysis of Path Planning Algorithms : a Formal Verification-based Approach Arash Khabbaz Saberi1

    E-Print Network [OSTI]

    Groote, Jan Friso

    Analysis of Path Planning Algorithms : a Formal Verification-based Approach Arash Khabbaz Saberi1, The Netherlands a.khabbaz.saberi@student.tue.nl, j.f.groote@tue.nl, s.keshishzadeh@tue.nl Abstract

  10. Programmed path : the conceptual re-enactment of a Charlestown warehouse and dock

    E-Print Network [OSTI]

    Reeves, Sarah Rundquist

    2009-01-01T23:59:59.000Z

    Conceptually re-defining the role of a 100-year-old waterfront brick and timber warehouse structure, it is turned inside-out : interior becomes path. Programmatic functions imitate the physical characteristics of a conceptual ...

  11. Economic freedom in Muslim countries: an explanation using the theory of institutional path dependency

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1 Economic freedom in Muslim countries: an explanation using the theory of institutional path dependency Abstract. This article explains the level of economic freedom in Muslim countries through, on the world of institutional possibilities. Keywords Economic freedom, colonisation, imaginary, Islam

  12. Constructing Path Efficient and Energy Aware Virtual Multicast Backbones in Static Ad Hoc Wireless Networks

    E-Print Network [OSTI]

    Acharya, Tamaghna; Roy, Rajarshi; 10.5121/ijwmn.2010.2210

    2010-01-01T23:59:59.000Z

    For stationary wireless ad hoc networks, one of the key challenging issues in routing and multicasting is to conserve as much energy as possible without compromising path efficiency measured as end-to-end delay. In this paper, we address the problem of path efficient and energy aware multicasting in static wireless ad hoc networks. We propose a novel distributed scalable algorithm for finding a virtual multicast backbone (VMB). Based on this VMB, we have further developed a multicasting scheme that jointly improves path efficiency and energy conservation. By exploiting inherent broadcast advantage of wireless communication and employing a more realistic energy consumption model for wireless communication which not only depends on radio propagation losses but also on energy losses in transceiver circuitry, our simulation results show that the proposed VMB-based multicasting scheme outperforms existing prominent tree based energy conserving, path efficient multicasting schemes.

  13. E-Print Network 3.0 - autonomous path planning Sample Search...

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

    Search Powered by Explorit Topic List Advanced Search Sample search results for: autonomous path planning Page: << < 1 2 3 4 5 > >> 1 A U.S. Air Force Predator is ready for a...

  14. PATH SAMPLING FOR PARTICLE FILTERS WITH APPLICATION TO MULTI-TARGET TRACKING

    E-Print Network [OSTI]

    for the particle filter is a problem of conditional path sam- pling for stochastic differential equations (SDEs-target tracking. The suggested approach was based on Girsanov's change of measure theorem for stochastic dif

  15. Next Generation Nuclear Plant Project Technology Development Roadmaps: The Technical Path Forward

    SciTech Connect (OSTI)

    John Collins

    2009-01-01T23:59:59.000Z

    This document presents the Next Generation Nuclear Plant (NGNP) Systems, Subsystems, and Components, establishes a baseline for the current technology readiness status, and provides a path forward to achieve increasing levels of technical maturity.

  16. Common-path interference and oscillatory Zener tunneling in bilayer graphene p-n junctions

    E-Print Network [OSTI]

    Nandkishore, Rahul Mahajan

    Interference and tunneling are two signature quantum effects that are often perceived as the yin and yang of quantum mechanics: a particle simultaneously propagating along several distinct classical paths versus a particle ...

  17. Path integral formulation of retardation effects in nonlinear optics Vladimir Chernyaka) and Shaul Mukamel

    E-Print Network [OSTI]

    Mukamel, Shaul

    Path integral formulation of retardation effects in nonlinear optics Vladimir Chernyaka) and Shaul;accepted4 October 1993) The signaturesof retardation in nonlinear optical susceptibilitiesare studiedby optical signalsare usually'calculatedby first calculating a nonlinear susceptibility definedby expanding

  18. Conceptual Soundness, Metric Development, Benchmarking, and Targeting for PATH Subprogram Evaluation

    SciTech Connect (OSTI)

    Mosey. G.; Doris, E.; Coggeshall, C.; Antes, M.; Ruch, J.; Mortensen, J.

    2009-01-01T23:59:59.000Z

    The objective of this study is to evaluate the conceptual soundness of the U.S. Department of Housing and Urban Development (HUD) Partnership for Advancing Technology in Housing (PATH) program's revised goals and establish and apply a framework to identify and recommend metrics that are the most useful for measuring PATH's progress. This report provides an evaluative review of PATH's revised goals, outlines a structured method for identifying and selecting metrics, proposes metrics and benchmarks for a sampling of individual PATH programs, and discusses other metrics that potentially could be developed that may add value to the evaluation process. The framework and individual program metrics can be used for ongoing management improvement efforts and to inform broader program-level metrics for government reporting requirements.

  19. Comments on the Meehl-Waller procedure for appraisal of path analysis models

    E-Print Network [OSTI]

    MacCallum, R. C.; Browne, M. W.; Preacher, K. J.

    2002-01-01T23:59:59.000Z

    P. E. Meehl and N. G. Waller (2002) proposed an innovative method for assessing path analysis models wherein they subjected a given model, along with a set of alternatives, to risky tests using selected elements of a sample ...

  20. EXTENSION WATER SUMMIT PRIORITY: WATER CONSERVATION

    E-Print Network [OSTI]

    Kane, Andrew S.

    programs) · Audience: homeowners Outcome 4: Increase water reuse and recycling programs · Example program: Water harvesting ­ rain barrels and cisterns · Audience: home owners #12;: Water conservation. Conserve Florida's finite water resources by teaching rural, suburban and urban

  1. Arnold Schwarzenegger WATER HEATERS AND HOT WATER

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor WATER HEATERS AND HOT WATER DISTRIBUTION SYSTEMS;#12;Appendices Appendix A. Multifamily Water Heating Construction Practices, Pricing and Availability Survey Report Appendix B. Multifamily Water Heating Controls Performance Field Report Appendix C. Pipe

  2. World-line instantons and the Schwinger effect as a WKB exact path integral

    E-Print Network [OSTI]

    James Gordon; Gordon W. Semenoff

    2014-07-03T23:59:59.000Z

    A detailed study of the semiclassical expansion of the world line path integral for a charged relativistic particle in a constant external electric field is presented. We show that the Schwinger formula for charged particle pair production is reproduced exactly by the semiclassical expansion around classical instanton solutions when the leading order of fluctuations is taken into account. We prove that all corrections to this leading approximation vanish and that the WKB approximation to the world line path integral is exact.

  3. Non-Born-Oppenheimer path in anti-Hermitian dynamics for nonadiabatic transitions

    SciTech Connect (OSTI)

    Takatsuka, Kazuo [Department of Basic Science, The University of Tokyo, Komaba, 153-8902 Tokyo (Japan)

    2006-02-14T23:59:59.000Z

    A serious difficulty in the semiclassical Ehrenfest theory for nonadiabatic transitions is that a path passing across the avoided crossing is forced to run on a potential averaged over comprising adiabatic potential surfaces that commit the avoided crossing. Therefore once a path passes through the crossing region, it immediately becomes incompatible with the standard view of 'classical trajectory' running on an adiabatic surface. This casts a fundamental question to the theoretical structure of chemical dynamics. In this paper, we propose a non-Born-Oppenheimer path that is generated by an anti-Hermitian Hamiltonian, whose complex-valued eigenenergies can cross in their real parts and avoid crossing in the imaginary parts in the vicinity of the nonadiabatic transition region. We discuss the properties of this non-Born-Oppenheimer path and thereby show its compatibility with the Born-Oppenheimer classical trajectories. This theory not only allows the geometrical branching of the paths but gives the nonadiabatic transition amplitudes and quantum phases along the generated paths.

  4. Household Water Quality Home Water Quality Problems

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    in water heater. Scale buildup in pipes and re duced water flow. Hard water due to calcium and magnesiumHousehold Water Quality Home Water Quality Problems­ Causes and Treatments Blake Ross, Extension Many areas have water containing impurities from natural or artificial sources. These impurities may

  5. Electronic quantum effects mapped onto non-Born-Oppenheimer nuclear paths: Nonclassical surmounting over potential barriers and trapping above the transition states due to nonadiabatic path-branching

    SciTech Connect (OSTI)

    Yamamoto, Kentaro, E-mail: kyamamoto@mns2.c.u-tokyo.ac.jp; Takatsuka, Kazuo, E-mail: kaztak@mns2.c.u-tokyo.ac.jp [Department of Basic Science, The University of Tokyo, Komaba, 153-8902 Tokyo (Japan)] [Department of Basic Science, The University of Tokyo, Komaba, 153-8902 Tokyo (Japan)

    2014-03-28T23:59:59.000Z

    We develop the path-branching representation for nonadiabatic electron wavepacket dynamics [T. Yonehara and K. Takatsuka, J. Chem. Phys. 132, 244102 (2010)] so as to treat dynamics in an energy range comparable to the barrier height of adiabatic potential energy curves. With this representation two characteristic chemical reaction dynamics are studied, in which an incident nuclear wavepacket encounters a potential barrier, on top of which lies another nonadiabatically coupled adiabatic potential curve: (1) Dynamics of initial paths coming into the nonadiabatic interaction region with energy lower than the barrier height. They branch into two pieces (and repeat branching subsequently), the upper counterparts of which can penetrate into a classically inaccessible high energy region and eventually branch back to the product region on the ground state curve. This is so to say surmounting the potential barrier via nonadiabatically coupled excited state, and phenomenologically looks like the so-called deep tunneling. (2) Dynamics of classical paths whose initial energies are a little higher than the barrier but may be lower than the bottom of the excited state. They can undergo branching and some of those components are trapped on top of the potential barrier, being followed by the population decay down to the lower state flowing both to product and reactant sites. Such expectations arising from the path-branching representation are numerically confirmed with full quantum mechanical wavepacket dynamics. This phenomenon may be experimentally observed as time-delayed pulses of wavepacket trains.

  6. FESAC White Paper Path to Market for Compact Systems July 2012 The Path to Market for Compact Modular Fusion Power Cores1

    E-Print Network [OSTI]

    in government science programs, then advanced towards the market place by the private sector when: Market, Path, and Compact Fusion Systems. US Electricity Market "Electricity demand (including retail. " EIAAnnual Outlook June 2012 Due to the slowing of the growth in demand for new electricity generation

  7. Microfluidics Transport and Path Control via Programmable Electrowetting on Dielectric

    SciTech Connect (OSTI)

    Theodore W. Von Bitner, Ph.D.

    2002-08-22T23:59:59.000Z

    This research was conducted in collaboration with Professor Chang-Jin Kim of the University of California, Los Angeles. In phase I, the IOS-UCLA collaboration demonstrated the transport and manipulation of insulting liquid droplets using the principles of EWOD. A postage stamp sized array of electronically addressable Teflon pads, whose surface tension characteristics could be altered on command through computer algorithms, was developed and tested using deionized water as the liquid. Going beyond the tasks originally proposed for Phase I, droplet manipulation was achieved and droplet stability in the EWOD device was examined.

  8. Grabbing water

    E-Print Network [OSTI]

    P. M. Reis; J. Hure; S. Jung; J. W. M. Bush; C. Clanet

    2012-07-16T23:59:59.000Z

    We introduce a novel technique for grabbing water with a flexible solid. This new passive pipetting mechanism was inspired by floating flowers and relies purely on the coupling of the elasticity of thin plates and the hydrodynamic forces at the liquid interface. Developing a theoretical model has enabled us to design petal-shaped objects with maximum grabbing capacity.

  9. Measuring optical absorption coefficient of pure water in UV using the integrating cavity absorption meter.

    E-Print Network [OSTI]

    Wang, Ling

    2008-10-10T23:59:59.000Z

    drop in reflectance below around 350 nm makes the material not suitable for the UV region. Note that for a spherical cavity with diameter of 10 cm and wall reflectance of 95% for wavelength of 250 nm, the effective path length is just 1.3 m, much... properties of water............................................................ 2 2. Measurement methods .................................................................. 6 3. ICAM...

  10. Cleaner, Safer Water through Water Safety Plans

    E-Print Network [OSTI]

    CS232615A Cleaner, Safer Water through Water Safety Plans National Center for Environmental Health). Water Safety Plans A Water Safety Plan (WSP) is a preventive management approach used to manage threats to a drinking water system--from catchment to consumer. It helps in the · Management of activities

  11. Ground water provides drinking water, irrigation for

    E-Print Network [OSTI]

    Saldin, Dilano

    Ground water provides drinking water, irrigation for crops and water for indus- tries. It is also connected to surface waters, and maintains the flow of rivers and streams and the level of wetlands- tion of those along Lake Michigan, most communi- ties, farms and industries still rely on ground water

  12. Regional Water Management: Adapting to Uncertain Water

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    Regional Water Management: Adapting to Uncertain Water Supply and Demand Jim Schneider, Ph · How Nebraska manages water · Dealing with uncertain water supplies: adaptive management #12;Regional-wide, systematic approach · Flexible--Adaptive Management Adaptive Manageme nt #12;Integrated Water Management

  13. A collaborative network middleware project by Lambda Station, TeraPaths, and Phoebus

    SciTech Connect (OSTI)

    Bobyshev, A.; /Fermilab; Bradley, S.; /Brookhaven; Crawford, M.; /Fermilab; DeMar, P.; /Fermilab; Katramatos, D.; /Brookhaven; Shroff, K.; /Brookhaven; Swany, M.; /Delaware U.; Yu, D.; /Brookhaven

    2010-01-01T23:59:59.000Z

    The TeraPaths, Lambda Station, and Phoebus projects, funded by the US Department of Energy, have successfully developed network middleware services that establish on-demand and manage true end-to-end, Quality-of-Service (QoS) aware, virtual network paths across multiple administrative network domains, select network paths and gracefully reroute traffic over these dynamic paths, and streamline traffic between packet and circuit networks using transparent gateways. These services improve network QoS and performance for applications, playing a critical role in the effective use of emerging dynamic circuit network services. They provide interfaces to applications, such as dCache SRM, translate network service requests into network device configurations, and coordinate with each other to setup up end-to-end network paths. The End Site Control Plane Subsystem (ESCPS) builds upon the success of the three projects by combining their individual capabilities into the next generation of network middleware. ESCPS addresses challenges such as cross-domain control plane signalling and interoperability, authentication and authorization in a Grid environment, topology discovery, and dynamic status tracking. The new network middleware will take full advantage of the perfSONAR monitoring infrastructure and the Inter-Domain Control plane efforts and will be deployed and fully vetted in the Large Hadron Collider data movement environment.

  14. Water Management Act (Massachusetts)

    Broader source: Energy.gov [DOE]

    This Act regulates and registers water withdrawals in the Commonwealth of Massachusetts to enable effective planning and management of water use and conservation. The Act establishes a Water...

  15. Protected Water Sources (Iowa)

    Broader source: Energy.gov [DOE]

    This chapter designates protected water sources, which are subject to additional special conditions regarding water use. Permit applications for water withdrawals from these sources may still be...

  16. Storm Water Analytical Period

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

    Storm Water Analytical Period Storm Water Analytical Period The Individual Permit authorizes the discharge of storm water associated with historical industrial activities at LANL...

  17. Water Permits (Louisiana)

    Broader source: Energy.gov [DOE]

    The Water Permits Division authorizes permits administered under the Water Quality Regulations. Louisiana's Water Quality Regulations require permits for the discharge of pollutants from any point...

  18. Light Water Reactor Sustainability

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

    3 Light Water Reactor Sustainability Program ACCOMPLISHMENTS REPORT 2013 Accomplishments Report | Light Water Reactor Sustainability 2 T he mission of the Light Water Reactor...

  19. Light Water Reactor Sustainability

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

    4 Light Water Reactor Sustainability ACCOMPLISHMENTS REPORT 2014 Accomplishments Report | Light Water Reactor Sustainability 2 T he mission of the Light Water Reactor...

  20. Efficient Water Use & Management

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

    Goals Water Use Goal 4: Efficient Water Use & Management Aware of the arid climate of northern New Mexico, water reduction and conservation remains a primary concern at LANL....

  1. Water Quality

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched FerromagnetismWaste and Materials Disposition InformationInteractionsWater

  2. Water Quality

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered energy consumption byAbout Printable VersionProtectiveWaste to beswim WatchingWaterW

  3. Three path interference using nuclear magnetic resonance: a test of the consistency of Born's rule

    E-Print Network [OSTI]

    Daniel K. Park; Osama Moussa; Raymond Laflamme

    2012-07-10T23:59:59.000Z

    The Born rule is at the foundation of quantum mechanics and transforms our classical way of understanding probabilities by predicting that interference occurs between pairs of independent paths of a single object. One consequence of the Born rule is that three way (or three paths) quantum interference does not exist. In order to test the consistency of the Born rule, we examine detection probabilities in three path intereference using an ensemble of spin-1/2 quantum registers in liquid state nuclear magnetic resonance (LSNMR). As a measure of the consistency, we evaluate the ratio of three way interference to two way interference. Our experiment bounded the ratio to the order of $10^{-3} \\pm 10^{-3}$, and hence it is consistent with Born's rule.

  4. Equatorial spread {ital F} effects on an HF path: Doppler spread, spatial coherence, and frequency coherence

    SciTech Connect (OSTI)

    Fitzgerald, T.J.; Argo, P.E.; Carlos, R.C. [Los Alamos National Laboratory, Los Alamos, New Mexico (United States)] [Los Alamos National Laboratory, Los Alamos, New Mexico (United States)

    1999-01-01T23:59:59.000Z

    In August 1990 we participated in the Equatorial Ionospheric Studies sounding rocket campaign near Kwajalein Atoll in the equatorial Pacific region. The campaign included measurements of plasma density using rocket probes and coherent and incoherent scatter radar. During the campaign we fielded high-frequency ionospheric sounders over a bistatic path between Maloelap Atoll and Bikini Atoll in the Marshall Islands. The distance between the transmitters and receivers was 700 km; the ionospheric-reflection region was at 10.18; {degree}N, 168.40;{degree}E, near the magnetic equator. We made three types of measurements: Doppler spread and spatial coherence for a single-frequency CW path; frequency coherence of multiple CW paths; and Doppler spread and time-delay spread for a 60-kHz bandwidth path. We obtained such data over a period of 2 weeks for approximately 2 hours each evening; during this period spread {ital F} was common. Fifty percent of the evenings showed Doppler spread of greater than 6 Hz at the {minus}10 dB level (relative to the peak signal power) and greater than 15 Hz at the {minus}30 dB level. Forty percent of the evenings showed spatial coherence distance of less than 180 m in the direction normal to the bistatic path; 40{percent} of the evenings showed spatial coherence of less than 75 m in the direction parallel to the path. Seventy-five percent of the evenings showed coherence bandwidths of less than 1.5 kHz. {copyright} 1999 American Geophysical Union

  5. Hot gas path analysis and data evaluation of the performance parameters of a gas turbine

    E-Print Network [OSTI]

    Hanawa, David Allen

    1974-01-01T23:59:59.000Z

    SCIENCE December 1974 Major Subject: Mechanical Engineering HOT GAS PATH ANALYSIS AND DATA EVALUATION OF THE PERFORMANCE PARAMETERS OF A GAS TURBINE A Thesis by DAVID AI, LEN HANAWA Approved as to style and content by: PfnA J 7 EY3 .j (Chairman... of -Committee) zr (Head of Depai'tment) Member) /i ~E" Egg(JQJ a g i (Member) (Member) December l974 ABSTRACT Ho Gas Path Ana'ysis and Data Evaluation o. the Performance Parameters of a Gas Turbine (December 1974) David Allen Hanawa, B. S. , Texas A...

  6. Drinking Water Problems: Lead

    E-Print Network [OSTI]

    Dozier, Monty; McFarland, Mark L.

    2004-02-20T23:59:59.000Z

    Lead in drinking water can damage the brain, kidneys, nervous system and red blood cells. This publication explains how lead can enter drinking water, how to have your water tested, and how to eliminate lead from drinking water....

  7. J.F. Meirink et al., Precipitation retrievals from SEVIRI ---IPC, 1 July 2013 Retrieval of precipitation from

    E-Print Network [OSTI]

    Haak, Hein

    of median and 95th percentile of CPP/radar rain rate as a function of solar zenith angle. Based on data over Cloud Top Temperature [K] Height liquid column [m] Cloud Phase LWP > 160 g m-2 re (water) > 15 m Output --- IPC, 1 July 2013 Solar zenith angle dependence Positive bias in CPP rain rates at high solar zenith

  8. TOWARDS A STATISTICAL CLIMATOLOGY OF THE RELATIONSHIP OF BETWEEN UPDRAFT VELOCITY, LIQUID WATER PATH, AND CLOUD DROPLET

    E-Print Network [OSTI]

    of Germany provided numerous measurements of thin (Radiometer are in the process of decaying and evaporating, may be insufficient to support the nucleation of aerosols in highly of Brookhaven Science Associates, LLC under Contract No. DE-AC02- 98CH10886 with the U.S. Department of Energy

  9. ARM: Microwave Radiometer data (MWR Profiles - QME), water vapor, temp, cloud liquid water, precip water retrievals

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Cadeddu, Maria

    Microwave Radiometer data (MWR Profiles - QME), water vapor, temp, cloud liquid water, precip water retrievals

  10. Water watch

    SciTech Connect (OSTI)

    Not Available

    1991-02-01T23:59:59.000Z

    The Hydropower Generation Report provides generation figures for the largest hydropower producers in each of six regions in the US. The report compares, for each month, the amount of hydroelectricity generated (in thousands of megawatt-hours) by each producers in the last two years to the ten-year average for that month. This database is used to figure long-term generation averages and percent of averages. The producers regularly provide current generation data to update the database. This issue of [open quotes]Water Watch[close quotes] focuses on winter snow conditions across the US as of mid-January. In addition, the department provides an outlook of spring flood potential. The information presented is based on data from the US Geological Survey, the National Weather Service, and the Soil Conservation Service.

  11. Water Resources Policy & Economics

    E-Print Network [OSTI]

    Buehrer, R. Michael

    Water Resources Policy & Economics FOR 4984 Selected Course Topics · Appropriative and riparian water institutions · Incentives for conservation · Water rights for in-stream environmental use · Surface water-groundwater management · Water quality regulations · Water markets · Economic and policy

  12. Water Sustainability Program Challenges to Sustainable Water

    E-Print Network [OSTI]

    Cushing, Jim. M.

    · Drought, Climate Change · Growth and the need for additional supplies · Water and Energy · Water the Southwest, nation, semi-arid and arid regions, and the world. · Today's program provides just a glimpse to and utilization of renewable supplies · Transboundary water issues · The surface water/groundwater interface

  13. Water Footprint | Argonne National Laboratory

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

    Footprint Blue water represents water withdrawn from surface water and groundwater for feedstock irrigation and refinery processing. Blue water represents water withdrawn from...

  14. Multi-UAV Convoy Protection: An Optimal Approach to Path Planning and Coordination

    E-Print Network [OSTI]

    Egerstedt, Magnus

    1 Multi-UAV Convoy Protection: An Optimal Approach to Path Planning and Coordination X. C. Ding, A Aerial Vehicles (UAVs) to provide convoy protection to a group of ground vehicles. The UAVs are modeled to provide convoy protection to ground vehicles moving on straight lines. The minimum number of UAVs required

  15. MULTI-TARGET ASSIGNMENT AND PATH PLANNING FOR GROUPS OF UAVS

    E-Print Network [OSTI]

    Minai, Ali A.

    Chapter 1 MULTI-TARGET ASSIGNMENT AND PATH PLANNING FOR GROUPS OF UAVS Theju Maddula Ali A. Minai of Cincinnati Cincinnati, OH 45221 Abstract Uninhabited autonomous vehicles (UAVs) have many useful military in the possibility of using large teams (swarms) of UAVs functioning cooperatively to accomplish a large number

  16. UAV Intelligent Path Planning for Wilderness Search and Rescue Computer Science Department

    E-Print Network [OSTI]

    Goodrich, Michael A.

    UAV Intelligent Path Planning for Wilderness Search and Rescue Lanny Lin Computer Science in order to find the missing person in the shortest expected time. When using a UAV to support search of the limited UAV flying time. I. INTRODUCTION The use of mini-UAVs (Unmanned Aerial Vehicles) in Wilderness

  17. Flight Testing a Real Time Implementation of a UAV Path Planner Using Direct Collocation

    E-Print Network [OSTI]

    Flight Testing a Real Time Implementation of a UAV Path Planner Using Direct Collocation Brian R by tracking a second UAV flying a predefined pattern. Finally, a method of commanding the observation vector ^s UAV sensor line of sight unit vector p Attraction point u UAV Control vector xt Target state

  18. Experimental Demonstration of an Enhanced Impairment-Aware Path Computation Element

    E-Print Network [OSTI]

    Varvarigo, Emmanouel "Manos"

    Path Computation Element (PCE). The resulting centralized entity is called Enhanced PCE (hereafter EPCE nodes. The role of the standard PCE within the proposed EPCE is twofold. Firstly, it participates utilizing the multi-parametric IA-RWA algorithm presented in [3]. Fig. 1. The Enhanced PCE (EPCE). #12;Upon

  19. Design and Implementation of a Path Computation Element in GMPLS-enabled

    E-Print Network [OSTI]

    Politècnica de Catalunya, Universitat

    wavelength protected SRLGs #12;6UPC Workshop Vilanova ­ Oct 16 PCE: design & high level functional architecture P. Vasseur et al. "Path Computation Element (PCE) Communication Protocol (PCEP)" draft-ietf-pce-pcep, work in progress. Connection Manager Asyncronous I/O PCEP sessions PCC FSM PCC FSM PCC FSM PCE Peer FSM

  20. Tax policy can change the production path: A model of optimal oil extraction in Alaska

    E-Print Network [OSTI]

    Lin, C.-Y. Cynthia

    production units (fields) on Alaska's North Slope. We use adjustment cost and discount rate to calibrate approach was to simulate economically optimal production paths for units on the Alaska North Slope, compare production for the seven individual units on Alaska's North Slope: Prudhoe Bay, Kuparuk River, Milne Point

  1. Motion planning for experimental air path control of a variable-valve-timing spark ignition engine

    E-Print Network [OSTI]

    to driveability problems) and on the fuel/air ratio (FAR) (leading to pollution peaks). To compensateMotion planning for experimental air path control of a variable-valve-timing spark ignition engine Syste¬īmes, Mines-ParisTech 60, bd St Michel, 75272 Paris, France a r t i c l e i n f o Article history

  2. 2006-01-1085 Air Path Estimation on Diesel HCCI Engine

    E-Print Network [OSTI]

    : fresh air and EGR temperature probes. INTRODUCTION Increasingly stringent pollution standards norms have2006-01-1085 Air Path Estimation on Diesel HCCI Engine J. Chauvin, N. Petit, P. Rouchon ¬īEcole des Mines de Paris G. Corde IFP C. Vigild Ford Forschungszentrum Aachen GmbH Copyright c 2006 Society

  3. Static Variable Ordering in ZBDDs for Path Delay Fault Coverage Calculation

    E-Print Network [OSTI]

    Gunes, Mehmet Hadi

    to calculate exact PDF coverage nonenumeratively. Each PDF is modeled as a subset of all nets in a circuitStatic Variable Ordering in ZBDDs for Path Delay Fault Coverage Calculation Fatih Kocan, Mehmet Gunes, Mitchell A. Thornton Southern Methodist University, Dallas, Texas, U.S.A. Abstract Zero

  4. The Impact of Manufacturing Offshore on Technology Development Paths in the Automotive and Optoelectronics Industries

    E-Print Network [OSTI]

    de Weck, Olivier L.

    The Impact of Manufacturing Offshore on Technology Development Paths in the Automotive Systems and Civil and Environmental Engineering #12;The Impact of Manufacturing Offshore on Technology of the impact of manufacturing offshore on the technology trajectory of the firm and the industry. It looks

  5. Abstract Title: Comprehensive assessment of peripheral arteries using multi-path curved planar

    E-Print Network [OSTI]

    reformation of CTA datasets Author Block: A. Koechl, A. Kanitsar, F. Lomoschitz, E. Groeller, D. Fleischmann - Purpose: To assess the diagnostic efficiency of multi-path curved planar reformations (mpCPR), a new image composite views (over a 180į range), which simultaneously display curved planar reformations through each

  6. Some path large deviation results for a branching diffusion Robert Hardy and Simon C. Harris

    E-Print Network [OSTI]

    Harris, Simon Colin

    in Git, J.Harris and S.C.Harris [4]. Our approach involves an application of a change of measureSome path large deviation results for a branching diffusion Robert Hardy and Simon C. Harris of Hardy and Harris [5, 7, 6]. Our proof combines simple martingale ideas with applications of Varadhan

  7. Quantum free-energy differences from nonequilibrium path integrals. I. Methods and numerical application

    E-Print Network [OSTI]

    Schofield, Jeremy

    Quantum free-energy differences from nonequilibrium path integrals. I. Methods and numerical are combined to yield methods for computing free-energy differences in quantum systems using nonequilibrium,8 provide a means to compute the free-energy difference between two classical systems by use of a control

  8. Reconstruction of the Free Energy in the Metastable Region using the Path Ensemble

    E-Print Network [OSTI]

    Heermann, Dieter W.

    Reconstruction of the Free Energy in the Metastable Region using the Path Ensemble Armando Ticona which we reconstruct the free energy as a function of the magnetic field, temperature and system size. From the reconstructed free energy, we obtain the free energy barrier that is associated

  9. Studies on free energy calculations. I. Thermodynamic integration using a polynomial path

    E-Print Network [OSTI]

    Mezei, Mihaly

    Studies on free energy calculations. I. Thermodynamic integration using a polynomial path Haluk in the free energy of hydration between the C, and aR conformations of alanine dipeptide at infinite dilution equilibria is determined by free energy ditferences, the calculation of the free energies has long been

  10. Equilibrium free energies from path sampling of nonequilibrium trajectories Sean X. Suna)

    E-Print Network [OSTI]

    Sun, Sean

    Equilibrium free energies from path sampling of nonequilibrium trajectories Sean X. Suna equilibrium free energy and nonequilibrium work is rewritten as an average of work with respect to a work nonequilibrium trajectories yields good estimates of the equilibrium free energy change. The procedure can

  11. An Energy-Efficient Algorithm For Conflict-Free AGV Routing On A Linear Path Layout

    E-Print Network [OSTI]

    Zeng, Jianyang "Michael"

    1 An Energy-Efficient Algorithm For Conflict-Free AGV Routing On A Linear Path Layout ZENG Jian time and the AGV utilization in dispatching and routing. However, as energy shortage and pollution to environment become major concerns and the competition become more intense, the issue of minimizing the energy

  12. Two Paths to Transforming Markets through Public Sector Energy Efficiency: Bottom Up versus Top Down

    E-Print Network [OSTI]

    Two Paths to Transforming Markets through Public Sector Energy Efficiency: Bottom Up versus Top agencies, reduced demand on capacity-constrained electric utility systems, increased energy system sector's buying power and visible leadership offer a powerful, non-regulatory means to stimulate market

  13. Path planning is no substitute for intelligent behavior David L. Jung*

    E-Print Network [OSTI]

    Parker, Lynne E.

    different autonomous multi-robot systems using two very different approaches. We describe the problems for two different autonomous multi-robot systems using two very different approaches. Although the robot, to which we applied the classical path planning approach, is a cooperative multi-vehicle mining task

  14. Paths to fusion energy The next 30 years, the next 10 years

    E-Print Network [OSTI]

    Paths to fusion energy The next 30 years, the next 10 years S. Prager The fusion era A roadmap to fusion energy discussed in US present GA PPPL MIT Plasma confinement research program #12;Issues for a fusion roadmap · Trade

  15. Path Integral Monte Carlo and Density Functional Molecular Dynamics Simulations of Hot, Dense Helium

    E-Print Network [OSTI]

    Militzer, Burkhard

    Path Integral Monte Carlo and Density Functional Molecular Dynamics Simulations of Hot, Dense integral Monte Carlo (PIMC) and density func- tional molecular dynamics (DFT-MD), are applied to study hot excitation mecha- nisms that determine their behavior at high temperature. The helium atom has two ionization

  16. Eur. J. For. Path. 21 (1991) 424-429 1991 Verlag Paul Parey, Hamburg und Berlin

    E-Print Network [OSTI]

    Eur. J. For. Path. 21 (1991) 424-429 @ 1991 Verlag Paul Parey, Hamburg und Berlin ISSN 0300 J. SWART,E. CO;.JRADIE and M. J. WINGFIELD Abstract The pathogenicity of an isolate of Cryphonectria and TAY 1983; SHARMA et a1. 1985a and b; FLORENCE et al. 1986; HODGES et a1. 1986; OLD et a1. 1986; \\'7

  17. The Impact of Interference on Optimal Multi-path Routing in Ad Hoc Networks

    E-Print Network [OSTI]

    Boucherie, Richard J.

    The Impact of Interference on Optimal Multi-path Routing in Ad Hoc Networks Roland de Haan, Richard-to-end performance measures such as through- put in ad hoc networks, emphasizing the performance trade-off between-destination pairs and different radio ranges are analyzed. Keywords: Ad hoc networks, Interference, Capacity, Multi

  18. On Tractability of Path Integration Columbia University Computer Science Department Report CUCS02296

    E-Print Network [OSTI]

    on an infinite dimensional space then path integration is intractable. In this case, there exists no effective, the univariate case d = 1 is best understood and has a rich and well­developed theory. Elements of the classical theory of univariate integration can be found in almost all numerical analysis textbooks. The study

  19. Geophysical flight line flying and flight path recovery utilizing the Litton LTN-76 inertial navigation system

    SciTech Connect (OSTI)

    Mitkus, A.F.; Cater, D.; Farmer, P.F.; Gay, S.P. Jr.

    1981-11-01T23:59:59.000Z

    The Litton LTN-76 Inertial Navigation Systems (INS) with Inertial Track guidance System (ITGS) software is geared toward the airborne survey industry. This report is a summary of tests performed with the LTN-76 designed to fly an airborne geophysical survey as well as to recover the subsequent flight path utilizing INS derived coordinates.

  20. A PRIMER ON RIEMANNIAN GEOMETRY AND STOCHASTIC ANALYSIS ON PATH SPACES

    E-Print Network [OSTI]

    Driver, Bruce

    A PRIMER ON RIEMANNIAN GEOMETRY AND STOCHASTIC ANALYSIS ON PATH SPACES BRUCE K. DRIVER Abstract for the first lecture which was held at University of Z√ľrich. Contents 1. Summary of ETH talk contents 2 2 of California, San Diego . La Jolla, CA 92093-0112 . 1 #12;2 BRUCE K. DRIVER 5.1. Tangent spaces and Riemannian

  1. A geometric framework for channel network extraction from lidar: Nonlinear diffusion and geodesic paths

    E-Print Network [OSTI]

    Foufoula-Georgiou, Efi

    A geometric framework for channel network extraction from lidar: Nonlinear diffusion and geodesic extraction. Following this preprocessing, channels are defined as curves of minimal effort, or geodesics and geodesic paths, J. Geophys. Res., 115, F01002, doi:10.1029/2009JF001254. 1. Introduction [2] The detection

  2. Levy path integral approach to the solution of the fractional SchrŲdinger equation with infinite square well

    E-Print Network [OSTI]

    Dong Jianping

    2013-01-14T23:59:59.000Z

    The solution to the fractional Schr\\"odinger equation with infinite square well is obtained in this paper, by use of the L\\'evy path integral approach. We obtain the even and odd parity wave functions of this problem, which are in accordance with those given by Laskin in [Chaos 10 (2000), 780--790].

  3. The path inference filter: model-based low-latency map matching of probe

    E-Print Network [OSTI]

    Abbeel, Pieter

    of automation onboard vehicles have created a very fertile ground for GPS data sources from probe vehicles for example [4], and the paradigm of connected (and automated) vehicles does not automatically translateThe path inference filter: model-based low-latency map matching of probe vehicle data Timothy

  4. Simultaneous Bayesian reconstruction of diffusivity and bond potentials using path integrals

    E-Print Network [OSTI]

    Levine, Alex J.

    Simultaneous Bayesian reconstruction of diffusivity and bond potentials using path integrals Joshua requires fewer data and allows simultaneous inference of both complex bond potentials and diffusivity spectroscopy (DFS) has been used to distort bonds. The resulting responses, in the form of rupture forces, work

  5. The self-assembly of paths and squares at temperature 1 Pierre-Etienne Meunier

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    The self-assembly of paths and squares at temperature 1 Pierre-¬īEtienne Meunier Abstract We prove known upper bound. Non-cooperative self-assembly, also known as "temperature 1", is where tiles bind in algorithmic self-assembly, published by Rothe- mund and Winfree in STOC 2000, in the case where growth starts

  6. Statistical fracture modeling: crack path and fracture criteria with application to homogeneous and

    E-Print Network [OSTI]

    Ritchie, Robert

    Statistical fracture modeling: crack path and fracture criteria with application to homogeneous; accepted 23 January 2002 Abstract Analysis has been performed on fracture initiation near a crack in a brittle material with strength described by Weibull statistics. This nonlocal fracture model allows

  7. String method in collective variables: Minimum free energy paths and isocommittor surfaces

    E-Print Network [OSTI]

    Van Den Eijnden, Eric

    York University, New York, New York 10012 Giovanni Ciccottid INFM and Dipartimento di Fisica in the free energy. Provided that the number of collective variables is large enough, the new techniqueString method in collective variables: Minimum free energy paths and isocommittor surfaces Luca

  8. The TauPToo~kit:Flexib/e Seismic Travel-time and Ray-path Utilities

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    The TauPToo~kit:Flexib/e Seismic Travel-time and Ray-path Utilities H. Philip Crotwell, Thomas studies. These factors highlight the need for versatile utilities that allow the calculation of travel to implement this approach. We used Maple (Heal etal., 1996), a symbolic mathematics utility, to help convert

  9. Path Analysis Models of an Autonomous Agent in a Complex Environment

    E-Print Network [OSTI]

    25 Path Analysis Models of an Autonomous Agent in a Complex Environment Paul R. Cohen, David M populated by autonomous agents. It is a simulation of forest fires in Yellowstone National Park in unpredictable ways due to wind speed and direction, terrain and elevation, fuel type and moisture content

  10. Observations and design of public place and paths in a New England town

    E-Print Network [OSTI]

    Compton, Ann, M. Arch. Massachusetts Institute of Technology

    1984-01-01T23:59:59.000Z

    This is a plan - a hypothesis in which some ideas are developed for the building of a path and parks. Through the use of imagery texture, and materials a sense of the possible is evoked. This is also an exploration of ...

  11. Analysis of SPDEs Arising in Path Sampling Part II: The Nonlinear Case

    E-Print Network [OSTI]

    Hairer, Martin

    for the development of practical algorithms for sam- pling infinite dimensional problems. The resulting SPDEs provide sampling in the nonlinear case, via a change of measure. Keywords: Path sampling, stochastic PDEs introduced Stochastic Partial Differential Equation (SPDE) based approach to infinite dimensional sampling

  12. Path Integral Control by Reproducing Kernel Hilbert Space Embedding Konrad Rawlik

    E-Print Network [OSTI]

    Vijayakumar, Sethu

    of stochastic optimal control problems, of the so called path integral form, into reproducing kernel Hilbert efficiency, are provided. 1 Introduction While solving general non-linear stochastic optimal con- trol (SOC new sam- ples [Theodorou et al., 2010; 2009]. Additionally, the ap- proach remains model

  13. ORIGINAL ARTICLE Multi-objective optimal path selection in electric vehicles

    E-Print Network [OSTI]

    Sait, Sadiq M.

    ORIGINAL ARTICLE Multi-objective optimal path selection in electric vehicles Umair Farooq Siddiqi selection (OPS) in electric vehicles (EVs). The proposed algorithm requires less computational time evolution (SimE) √Ā Electric vehicles (EVs) 1 Introduction Navigation systems of modern vehicles are equipped

  14. Reliable Protein Folding on Complex Energy Landscapes: The Free Energy Reaction Path

    E-Print Network [OSTI]

    O'Hern, Corey S.

    Reliable Protein Folding on Complex Energy Landscapes: The Free Energy Reaction Path Gregg Lois the dynamics of protein folding. The key insight is that the search for the native protein conformation. In the ``new view'' of protein folding (3,7), statistical fluctuations on an energy landscape give rise

  15. Wind-Energy based Path Planning For Unmanned Aerial Vehicles Using Markov Decision Processes

    E-Print Network [OSTI]

    Smith, Ryan N.

    Wind-Energy based Path Planning For Unmanned Aerial Vehicles Using Markov Decision Processes Wesam H. Al-Sabban, Luis F. Gonzalez and Ryan N. Smith Abstract-- Exploiting wind-energy is one possible way to extend the flight duration of an Unmanned Aerial Vehicle. Wind-energy can also be used

  16. Wind-Energy based Path Planning For Electric Unmanned Aerial Vehicles Using Markov Decision Processes

    E-Print Network [OSTI]

    Smith, Ryan N.

    Wind-Energy based Path Planning For Electric Unmanned Aerial Vehicles Using Markov Decision wind-energy is one possible way to ex- tend flight duration for Unmanned Arial Vehicles. Wind-energy sources of wind energy available to exploit for this problem [5]: 1) Vertical air motion, such as thermal

  17. Immersive Well-Path Editing: Investigating the Added Value of Immersion Kenny Gruchalla

    E-Print Network [OSTI]

    Gruchalla, Kenny

    barriers in promot- ing immersive technology to industry is that the benefits are primarily anecdotal. The planning of a new oil well-path through the ex- isting wells of a mature oilfield is such a task of objects within that environment. The Immersive Drilling Planner (IDP) is a software application capable

  18. Unifying Points, Beams, and Paths in Light Transport Simulation Jaroslav Kivnek1

    E-Print Network [OSTI]

    Montréal, Université de

    Unifying Points, Beams, and Paths in Light Transport Simulation Jaroslav Kiv√°nek1 Iliyan Georgiev2 Point-point estimator (Volumetric photon mapping w/out ray marching [Jensen and Christensen 1998]) Point-beam estimator (Beam radiance estimate [Jarosz et al. 2008]) Beam-beam estimator (Photon beams [Jarosz et al

  19. The Need for Cooperation and Relaying in Short-Range High Path Loss Sensor Networks

    E-Print Network [OSTI]

    a propagation model and a radio model for communication along the human body. Using these models, energyThe Need for Cooperation and Relaying in Short-Range High Path Loss Sensor Networks Bart Braem--This paper focuses on the energy efficiency of communication in small-scale sensor networks experiencing high

  20. Failure-Tolerant Path Planning for the PA-10 Robot Operating Amongst Obstacles

    E-Print Network [OSTI]

    Maciejewski, Anthony A.

    Failure-Tolerant Path Planning for the PA-10 Robot Operating Amongst Obstacles Rodrigo S. Jamisola/or orientation in the workspace despite any single locked-joint failure at any time. An algorithm is presented relative to its task, only a single locked-joint failure occurs at any given time, the robot is capable

  1. Polynomial-Neural-Networks--B ased Mobile Robot Path C. L. Philip Chen and Farid Ahmed

    E-Print Network [OSTI]

    Ahmed, Farid

    is then utilized to move the robot away from the obstacle or direct the rol)Ot along the contour of the obstaclePolynomial- Neural-Networks--B ased Mobile Robot Path Planning C. L. Philip Chen and Farid Ahmed for mobile robot navigation. The PNN is a feature-based mapping neural network which can be successfully

  2. An Architecture for Managing Virtual Circuit and Virtual Path Services on ATM Networks

    E-Print Network [OSTI]

    Columbia University

    1 An Architecture for Managing Virtual Circuit and Virtual Path Services on ATM Networks Abstract management architecture that provides the services and is instrumented for network management purposes service monitor- ing and control functions. The network management architecture proposes complete managed

  3. Two air path observers for turbocharged SI engines with Guillaume Colina,

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    , and an efficient control of the air actuators is required for engine torque control. Two non-linear estimators decreases pollutants emission, especially nitrogen oxides (NOx). 1.2. System description The air intakeTwo air path observers for turbocharged SI engines with VCT Guillaume Colina, , G¬īerard Blochb

  4. Approximation Algorithms and Heuristics for a 2-depot, Heterogeneous Hamiltonian Path Problem

    E-Print Network [OSTI]

    Doshi, Riddhi Rajeev

    2011-10-21T23:59:59.000Z

    Various civil and military applications of UAVs, or ground robots, require a set of vehicles to monitor a group of targets. Routing problems naturally arise in this setting where the operators of the vehicles have to plan the paths suitably in order...

  5. Control of Delayed Recycling Systems with an Unstable Pole at Forward Path

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Control of Delayed Recycling Systems with an Unstable Pole at Forward Path J. F. Marquez Rubio, B. del Muro Cu¬īellar and Olivier Sename Abstract-- Unstable time delay system and recycling system pose a challenge problem in their own. When unstable time delay system have recycle the control problem becomes

  6. Path following with backtracking based on fuzzy controllers for forward and reverse driving

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    considers a gearshift. Since fuzzy logic is a good intuitive technique for the control of nonlinear systemsPath following with backtracking based on fuzzy controllers for forward and reverse driving J vehicle guidance system based on fuzzy logic systems to re- solve unexpected road situations. A fuzzy

  7. Path-Integral Monte Carlo And The Squeezed Trapped Bose-Einstein Gas

    E-Print Network [OSTI]

    Mullin, William J.

    Path-Integral Monte Carlo And The Squeezed Trapped Bose-Einstein Gas Juan Pablo Fern√°ndez1 the gas becomes effectively two-dimensional (2D). We confirm the plausibility of this result by performing different estimates for the condensate fraction. For the ideal gas, we find that the PIMC column density

  8. Some comments on rigorous quantum field path integrals in the analytical regularization scheme

    E-Print Network [OSTI]

    Botelho, Luiz C L

    2009-01-01T23:59:59.000Z

    Trough the systematic use of the Minlos theorem on thesupport of cylindrical measures on R infinity, we produce several mathematically rigorous path integrals in interacting euclidean quantum fields with Gaussian free measures defined by generalizeds powers ofthe laplacean operator and useful in Loop space approach for Astekar-Sen scheme for quantizing gravity

  9. Some comments on rigorous quantum field path integrals in the analytical regularization scheme

    E-Print Network [OSTI]

    Luiz. C. L. Botelho

    2012-07-02T23:59:59.000Z

    Trough the systematic use of the Minlos theorem on the support of cylindrical measures on R infinity, we produce several mathematically rigorous path integrals in interacting euclidean quantum fields with Gaussian free measures defined by generalizeds powers of the laplacean operator on finite volume space-times

  10. Path Integral Monte Carlo Simulation of the Low-Density Hydrogen Plasma B. Militzer y

    E-Print Network [OSTI]

    Militzer, Burkhard

    Path Integral Monte Carlo Simulation of the Low-Density Hydrogen Plasma B. Militzer y Lawrence to calculate the equilibrium properties of hydrogen in the density and temperature range of 9:83 #2; 10 4 #20 surface. We calculate the equation of state and compare with other models for hydrogen valid

  11. A path integral formalism for the closure of autonomous statistical systems

    E-Print Network [OSTI]

    Richard Kleeman

    2015-03-25T23:59:59.000Z

    Recently a path integral formalism has been proposed by the author which gives the time evolution of moments of slow variables in a Hamiltonian statistical system. That formalism is extended here to deal with a more general autonomous dynamical system. An immediate practical application to forced dissipative turbulent systems is thus now possible.

  12. Final Report - Dynamic Path Scheduling through Extensions to Generalized Multiprotocol Label Switching (GMPLS)

    SciTech Connect (OSTI)

    Principal Investigator: Dr. Abdella Battou

    2009-05-22T23:59:59.000Z

    The major accomplishments of the project are the successful software implementation of the Phase I scheduling algorithms for GMPLS Label Switched Paths (LSPs) and the extension of the IETF Path Computation Element (PCE) Protocol to support scheduling extensions. In performing this work, we have demonstrated the theoretical work of Phase I, analyzed key issues, and made relevant extensions. Regarding the software implementation, we developed a proof of concept prototype as part of our Algorithm Evaluation System (AES). This implementation uses the Linux operating system to provide software portability and will be the foundation for our commercial software. To demonstrate proof of concept, we have implemented LSP scheduling algorithms to support two of the key GMPLS switching technologies (Lambda and Packet) and support both Fixed Path (FP) and Switched Path (SP) routing. We chose Lambda and Packet because we felt it was essential to include both circuit and packet switching technologies as well as to address all-optical switching in the study. As conceptualized in Phase I, the FP algorithms use a traditional approach where the LSP uses the same physical path for the entire service duration while the innovative SP algorithms allow the physical path to vary during the service duration. As part of this study, we have used the AES to conduct a performance analysis using metro size networks (up to 32 nodes) that showed that these algorithms are suitable for commercial implementation. Our results showed that the CPU time required to compute an LSP schedule was small compared to expected inter-arrival time between LSP requests. Also, when the network size increased from 7 to 15 to 32 nodes with 10, 26, and 56 TE links, the CPU processing time showed excellent scaling properties. When Fixed Path and Switched Path routing were compared, SP provided only modestly better performance with respect to LSP completion rate, service duration, path length, and start time deviation. In addition, the SP routing required somewhat more CPU time than the FP routing. However, when the allowable range for the start time is increased, the CPU time for SP increased less rapidly than FP such that the CPU processing times became comparable. Therefore, SP routing may scale better than FP routing. The Path Computation Element Working Group is a complementary working group to the GMPLS working group (CCAMP) in the IETF and is developing standards to discover, manage, and access elements that compute routes for GMPLS for LSPs. The algorithms used to compute the routes are not subject to standardization. Since the PCE supports only standard GMPLS LSPs, it does not support scheduled LSPs. Therefore, it is a natural extension of our Phase I work to introduce this enhancement into the PCE. In addition, the PCE adds another dimension to our product line because the PCE by itself may be a product with a standard interface.

  13. The Path to Savings: Understanding the Federal Purchase of Energy-Consuming Products

    E-Print Network [OSTI]

    Taylor, Margaret

    2014-01-01T23:59:59.000Z

    Cooler Retail†price†($) Gas Water†Heater Goal†to†Code By:>$25K Commercial Gas Water Heaters $3K Ė 25K B Motors Water Heaters (Residential Gas)

  14. On the Selection of Optimal Diverse AS-Paths for Inter-Domain IP/(G)MPLS Tunnel Provisioning

    E-Print Network [OSTI]

    Rougier, Jean-Louis

    the router-level inter-AS path computation along the AS path, which is accomplished by the PCE Element (PCE)-based method [3] can be adopted. Each domain elects at least one PCE. Given that TE information is not shared between domains for scalability and confidentiality reasons [1], a single PCE

  15. Quantum criticality for few-body systems: Path-integral approach Ricardo A. Sauerwein1,2

    E-Print Network [OSTI]

    Kais, Sabre

    to obtain the critical nuclear charges for few-electron atoms 2,5 and simple diatomic molecules 7Quantum criticality for few-body systems: Path-integral approach Ricardo A. Sauerwein1,2 and Sabre 2001 We present the path-integral approach to treat quantum phase transitions and critical phenomena

  16. Path-Quality Monitoring in the Presence of Adversaries (This is the full version of [21] from June 12, 2009)

    E-Print Network [OSTI]

    Goldwasser, Shafi

    that can make a path look better than it really is. In this paper, we design and analyze path- per, our protocols are efficient enough to run at line rate on high-speed routers. We present a secure-quality monitoring and derive analytic expressions for the trade-off between statistical accuracy and system overhead

  17. Energy-Efficient Reliable Paths for On-Demand Routing Protocols Tamer Nadeem, Suman Banerjee, Archan Misra, Ashok Agrawala

    E-Print Network [OSTI]

    Banerjee, Suman

    1 Energy-Efficient Reliable Paths for On-Demand Routing Protocols Tamer Nadeem, Suman Banerjee does not work for on-demand protocols and some additional mechanisms are needed to compute energy-efficient-Demand routing proto- col (AODV), and show how it can be enhanced to compute such energy-efficient reliable paths

  18. EnergyEfficient Reliable Paths for OnDemand Routing Protocols Tamer Nadeem, Suman Banerjee, Archan Misra, Ashok Agrawala

    E-Print Network [OSTI]

    Banerjee, Suman

    1 Energy≠Efficient Reliable Paths for On≠Demand Routing Protocols Tamer Nadeem, Suman Banerjee does not work for on≠demand protocols and some additional mechanisms are needed to compute energy≠efficient≠Demand routing proto≠ col (AODV), and show how it can be enhanced to compute such energy≠efficient reliable paths

  19. Fracture path in an anisotropic material in the light of a friction experiment. D. Chateau and J.-C. Geminard

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Fracture path in an anisotropic material in the light of a friction experiment. D. Chateau and J is generally used to predict the path of a fracture even if the validity of the principle is difficult. INTRODUCTION Fractures are ubiquitous in everyday life. Examples range, from the harmless, annoying but maybe

  20. Path Prediction for High Issue-Rate Processors Kishore N. Menezes Sumedh W. Sathaye Thomas M. Conte

    E-Print Network [OSTI]

    Conte, Thomas M.

    Path Prediction for High Issue-Rate Processors Kishore N. Menezes Sumedh W. Sathaye Thomas M. Conte predict a single branch at a time. Performance improvement is possible by predicting multiple branches in a single cycle. This paper presents a technique to predict paths in a single access. The correlation