National Library of Energy BETA

Sample records for gallon equivalent dge

  1. Radiative B decay spectrum: DGE at NNLO.

    E-Print Network [OSTI]

    Andersen, Jeppe R.; Gardi, Einan

    by DGE, matched to NLO or NNLO, with fixed–order results in E? space (x space). All curves correspond to the same value of the b-quark mass, the PV pole mass mb = 4.89 GeV. The end of partonic phase space, E? = mb/2, is denoted by an arrow... adopt the approximations to these two functions that were developed and used in previous papers, namely Eq. (3.27) in Ref. [52] (or Eq. (2.35) in Ref. [17]). These approximations are based on the known NNLO expansions of the anomalous dimensions...

  2. 2D-GE IMAGE SEGMENTATION BASED ON LEVEL-SETS E.A. Mylona a

    E-Print Network [OSTI]

    Athens, University of

    2D-GE IMAGE SEGMENTATION BASED ON LEVEL-SETS E.A. Mylona a , M.A. Savelonas a , D. Maroulis a , M of protein spots in 2D-GE images. The proposed scheme incorporates a protein spot detection stage based both software packages in terms of segmentation performance. Index Terms--2D-GE Images, Protein Spot

  3. eGallon-methodology-final

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann Jackson About1996HowFOAShowingFuelWeatherizeeEnergy Vermont Case Study 1eGallon How much

  4. Beyond a Billion: Clean Cities Coaliations Have Displaced More Than a Billion Gallons of Gasoline

    SciTech Connect (OSTI)

    Not Available

    2005-10-01

    In 2004, DOE's Clean Cities achieved a milestone - displacing the equivalent of more than 1 billion gallons of gasoline since 1994. This fact sheet describes how Clean Cities achieved this goal.

  5. eGallon | 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 Rank EERE: Alternative FuelsofProgram:Y-12 Beta-3 Racetracks Y-12 Beta-3 RacetrackseGallon MethodologyeGallon

  6. eGallon Methodology | 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 Rank EERE: Alternative FuelsofProgram:Y-12 Beta-3 Racetracks Y-12 Beta-3 RacetrackseGallon Methodology

  7. Development of a model for predicting transient hydrogen venting in 55-gallon drums

    SciTech Connect (OSTI)

    Apperson, Jason W; Clemmons, James S; Garcia, Michael D; Sur, John C; Zhang, Duan Z; Romero, Michael J

    2008-01-01

    Remote drum venting was performed on a population of unvented high activity drums (HAD) in the range of 63 to 435 plutonium equivalent Curies (PEC). These 55-gallon Transuranic (TRU) drums will eventually be shipped to the Waste Isolation Pilot Plant (WIPP). As a part of this process, the development of a calculational model was required to predict the transient hydrogen concentration response of the head space and polyethylene liner (if present) within the 55-gallon drum. The drum and liner were vented using a Remote Drum Venting System (RDVS) that provided a vent sampling path for measuring flammable hydrogen vapor concentrations and allow hydrogen to diffuse below lower flammability limit (LFL) concentrations. One key application of the model was to determine the transient behavior of hydrogen in the head space, within the liner, and the sensitivity to the number of holes made in the liner or number of filters. First-order differential mass transport equations were solved using Laplace transformations and numerically to verify the results. the Mathematica 6.0 computing tool was also used as a validation tool and for examining larger than two chamber systems. Results will be shown for a variety of configurations, including 85-gallon and 110-gallon overpack drums. The model was also validated against hydrogen vapor concentration assay measurements.

  8. FIFTY-FIVE GALLON DRUM STANDARD STUDY

    SciTech Connect (OSTI)

    PUIGH RJ

    2009-05-14

    Fifty-five gallon drums are routinely used within the U.S. for the storage and eventual disposal of fissionable materials as Transuranic or low-level waste. To support these operations, criticality safety evaluations are required. A questionnaire was developed and sent to selected Endusers at Hanford, Idaho National Laboratory, Lawrence Livermore National Laboratory, Oak Ridge and the Savannah River Site to solicit current practices. This questionnaire was used to gather information on the kinds of fissionable materials packaged into drums, the models used in performing criticality safety evaluations in support of operations involving these drums, and the limits and controls established for the handling and storage of these drums. The completed questionnaires were reviewed and clarifications solicited through individual communications with each Enduser to obtain more complete and consistent responses. All five sites have similar drum operations involving thousands to tens of thousands of fissionable material waste drums. The primary sources for these drums are legacy (prior operations) and decontamination and decommissioning wastes at all sites except Lawrence Livermore National Laboratory. The results from this survey and our review are discussed in this paper.

  9. Neutron Screening Measurements of 110 gallon drums at T Plant

    SciTech Connect (OSTI)

    Mozhayev, Andrey V.; Hilliard, James R.; Berg, Randal K.

    2011-01-14

    The Pacific Northwest National Laboratory (PNNL) Nondestructive Assay (NDA) Service Center was contracted to develop and demonstrate a simple and inexpensive method of assaying 110 gallon drums at the Hanford Site’s T-Plant. The drums contained pucks of crushed old drums used for storage of transuranic (TRU) waste. The drums were to be assayed to determine if they meet the criteria for TRU or Low Level Waste (LLW). Because of the dense matrix (crushed steel drums) gamma measurement techniques were excluded and a mobile, configurable neutron system, consisting of four sequentially connected slab detectors was chosen to be used for this application. An optimum measurement configuration was determined through multiple test measurements with californium source. Based on these measurements the initial calibration of the system was performed applying the isotopic composition for aged weapon-grade plutonium. A series of background and blank puck drum measurements allowed estimating detection limits for both total (singles) and coincidence (doubles) counting techniques. It was found that even conservative estimates for minimum detection concentration using singles count rate were lower than the essential threshold of 100 nCi/g. Whereas the detection limit of coincidence counting appeared to be about as twice as high of the threshold. A series of measurements intended to verify the technique and revise the initial calibration obtained were performed at the Waste Receiving and Processing (WRAP) facility with plutonium standards. Standards with a total mass of 0.3 g of plutonium (which is estimated to be equivalent of 100 nCi/g for net waste weight of 300 kg) loaded in the test puck drum were clearly detected. The following measurements of higher plutonium loadings verified the calibration factors obtained in the initial exercise. The revised and established calibration factors were also confirmed within established uncertainties by additional measurements of plutonium standards in various locations in the test drum. Due to necessity to dispense the blank test drum an alternative method of baseline determination was established during field measurements. Count rates of ambient background were corrected by the differences between observed background and blank test drum count rates which were previously determined over a series of measurements. Only 31 drums out of 352 counted during the intensive measurement campaign at T-Plant were determined to be Suspect TRU. 25 of these drums were re-measured at the WRAP facility using the SuperHENC. Of the 25 drums measured, 21 were confirmed to be TRU and the remaining four LLW.

  10. REVIEW SHEET 3 (1) A tank contains 100 gallon of salt water which ...

    E-Print Network [OSTI]

    2014-04-30

    REVIEW SHEET 3. (1) A tank contains 100 gallon of salt water which contains 10 lbs of salt. A salt solution of 2lbs of salt per gallon enters the tank at a rate of 3 ...

  11. REVIEW SHEET 3 (1) A tank contains 100 gallon of salt water which ...

    E-Print Network [OSTI]

    2014-04-30

    minute while a flow of fresh water runs into the tank at a rate of 5 gallons per minute. The well-stirred solution runs out of the tank at a rate of 7 gallons per minute ...

  12. Driving for $1.14 Per Gallon | Department of Energy

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

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  13. Fact #676: May 23, 2011 U.S. Refiners Produce about 19 Gallons of Gasoline from a Barrel of Oil

    Broader source: Energy.gov [DOE]

    A standard U.S. barrel contains 42 gallons of crude oil which yields about 44 gallons of petroleum products. The additional 2 gallons of petroleum products come from refiner gains which result in...

  14. 55-Gallon Drum Attenuation Corrections for Waste Assay Measurements

    SciTech Connect (OSTI)

    Casella, V.R.

    2002-04-03

    The present study shows how the percent attenuation for low-level waste (LLW), carbon-steel 55-gallon drums (44 and 46 mil) and for transuranic (TRU) DOT Type 7A 55-gallon drums (approximately 61 mil) changes with gamma energy from 60 keV to 1400 keV. Attenuation for these drums is in the range of 5 to 15 percent at energies from 400 to 1400 keV and from 15 to 35 percent at energies from 120 to 400 keV. At 60 keV, these drums attenuate 70-80 percent of the gamma rays. Correction factors were determined in order to correct for gamma attenuation of a TRU drum if a calibration is performed with a LLW drum. These correction factors increase the activities of the TRU drum by from 10 percent to 2 percent in the energy range of 165 to 1400 keV, with an increase of about 50 percent at 60 keV. Correction factors for TRU drums and for analyses without a drum were used to adjust the percent yield for frequently measured gamma rays, so that the assay libraries could be modified to provide the drum attenuation corrections.

  15. Small-Scale Experiments.10-gallon drum experiment summary

    SciTech Connect (OSTI)

    Rosenberg, David M.

    2015-02-05

    A series of sub-scale (10-gallon) drum experiments were conducted to characterize the reactivity, heat generation, and gas generation of mixtures of chemicals believed to be present in the drum (68660) known to have breached in association with the radiation release event at the Waste Isolation Pilot Plant (WIPP) on February 14, 2014, at a scale expected to be large enough to replicate the environment in that drum but small enough to be practical, safe, and cost effective. These tests were not intended to replicate all the properties of drum 68660 or the event that led to its breach, or to validate a particular hypothesis of the release event. They were intended to observe, in a controlled environment and with suitable diagnostics, the behavior of simple mixtures of chemicals in order to determine if they could support reactivity that could result in ignition or if some other ingredient or event would be necessary. There is a significant amount of uncertainty into the exact composition of the barrel; a limited sub-set of known components was identified, reviewed with Technical Assessment Team (TAT) members, and used in these tests. This set of experiments was intended to provide a framework to postulate realistic, data-supported hypotheses for processes that occur in a “68660-like” configuration, not definitively prove what actually occurred in 68660.

  16. DOE Moab Site Cost-Effectively Eliminates 200 Million Gallons of Contaminated Ground Water

    Broader source: Energy.gov [DOE]

    Grand Junction, CO ? The Department of Energy (DOE) announced today that it has extracted 200 million gallons of contaminated ground water from the Moab site in Utah as part of the Moab Uranium Mill Tailings Remedial Action Project.

  17. the impact of industrial biofuels on people and global hunger Meals per gallon

    E-Print Network [OSTI]

    the impact of industrial biofuels on people and global hunger Meals per gallon #12;Contents Executive summary 2 Chapter 1: Introduction 6 Chapter 2: Industrial biofuels ­ the context 8 What's driving the EU industrial biofuel boom? 9 Chapter 3: What's wrong with industrial biofuels? 12 Industrial

  18. Benzene is an important industrial chemical (> 2 billion gallons produced annually in the

    E-Print Network [OSTI]

    California at Berkeley, University of

    Benzene is an important industrial chemical (> 2 billion gallons produced annually in the United leukemia (Snyder 2002). However, the mechanisms of benzene-induced hematotoxicity and leukemo- genesis further light on these mechanisms and better understand the risk benzene poses, we examined the effects

  19. eGallon: Understanding the Cost of Driving EVs | 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 Rank EERE: Alternative FuelsofProgram:Y-12 Beta-3 Racetracks Y-12 Beta-3 RacetrackseGallon

  20. Fact #848: November 24, 2014 Nearly Three-Fourths of New Cars have Fuel Economy above 25 Miles per Gallon

    Broader source: Energy.gov [DOE]

    In 1975, only three percent of all new cars had a fuel economy above 25 miles per gallon (mpg), but by 2014, 73% did. Great improvements were made in the fuel economy of cars from 1975 to 1985, so...

  1. eGallon: What It Is and Why It's Important | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LIST OFAMERICA'S FUTURE.EnergyWooden Rooftops |.doc�8 I N S P EeGallon:

  2. EV Sales Skyrocketing. eGallon Holds Steady. | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann JacksonDepartment ofOffice ofof EnergyPlants" Now AvailableSTAR®eGallon: Compare

  3. Impact and structural analysis of the INEL 55 gallon recycled shielded storage container

    SciTech Connect (OSTI)

    Richins, W.D.

    1996-07-01

    The INEL Recycled Shielded Storage Containers (RSSC) are designed primarily for the transportation and storage of mixed RH-TRU solid waste using recycled, potentially contaminated lead and stainless steel construction materials. Two versions of the RSSC have been developed accommodating either 30 or 55 gallon drums. This report addresses the structural qualification of the 55 gallon version of the RSSC to DOT 7A Type A requirements. The controlling qualification test is a 4 ft drop onto a rigid surface. During and after this test, the container contents must remain within the container and shielding must not be reduced. The container is also designed to withstand stacking, internal pressure, lifting loads, tiedown failure, penetration, and a range of temperatures. Nonlinear dynamic finite element analyses were performed using a range of material properties. Loads in the major connections and strains in the stainless steel and lead were monitored as a function of time during impact analyses for three simulated drop orientations. Initial results were used to develop the final design. For the final design, the stainless steel and lead have maximum strains well below ultimate levels except at an impact corner where additional deformation is acceptable. The predicted loads in the connections indicate that some yielding will occur but the containment and shielding will remain intact. The results presented here provide assurance that the container will pass the DOT 7A Type A drop tests as well as the other structural requirements.

  4. Morita equivalence and duality

    E-Print Network [OSTI]

    Albert Schwarz

    1998-05-07

    It was shown by Connes, Douglas, Schwarz[1] that one can compactify M(atrix) theory on noncommutative torus. We prove that compactifications on Morita equivalent tori are physically equivalent. This statement can be considered as a generalization of non-classical duality conjectured in [1] for two-dimensional tori.

  5. Neutron dose equivalent meter

    DOE Patents [OSTI]

    Olsher, Richard H. (Los Alamos, NM); Hsu, Hsiao-Hua (Los Alamos, NM); Casson, William H. (Los Alamos, NM); Vasilik, Dennis G. (Los Alamos, NM); Kleck, Jeffrey H. (Menlo Park, CA); Beverding, Anthony (Foster City, CA)

    1996-01-01

    A neutron dose equivalent detector for measuring neutron dose capable of accurately responding to neutron energies according to published fluence to dose curves. The neutron dose equivalent meter has an inner sphere of polyethylene, with a middle shell overlying the inner sphere, the middle shell comprising RTV.RTM. silicone (organosiloxane) loaded with boron. An outer shell overlies the middle shell and comprises polyethylene loaded with tungsten. The neutron dose equivalent meter defines a channel through the outer shell, the middle shell, and the inner sphere for accepting a neutron counter tube. The outer shell is loaded with tungsten to provide neutron generation, increasing the neutron dose equivalent meter's response sensitivity above 8 MeV.

  6. Fact #848: November 24, 2014 Nearly Three-Fourths of New Cars have Fuel Economy above 25 Miles per Gallon- Dataset

    Broader source: Energy.gov [DOE]

    Excel file with dataset for Fact #848: November 24, 2014 Nearly Three-Fourths of New Cars have Fuel Economy above 25 Miles per Gallon

  7. Equivalence Principle and Clocks

    E-Print Network [OSTI]

    T. Damour

    1999-04-14

    String theory suggests the existence of gravitational-strength scalar fields ("dilaton" and "moduli") whose couplings to matter violate the equivalence principle. This provides a new motivation for high-precision clock experiments, as well as a generic theoretical framework for analyzing their significance.

  8. New Zealand's 70 million sheep create 350 million methane gallons daily

    SciTech Connect (OSTI)

    Not Available

    1987-07-01

    If you could hook up a sheep to the carburetor of a car, you could run it for several kilometers a day. To power the same vehicle by people, you'd need a whole football team and a couple of kegs of beer. That observation is made by David Lowe, a geophysicist with the New Zealand Institute of Nuclear Sciences in Wellington. Scientists are studying the methane output because of its potential serious threat by contributing to global warming via the greenhouse effect. According to a report in the Wall Street Journal, analysis of ancient air bubbles trapped in Antarctic ice shows that 30,000 years ago methane concentration in the Earth's atmosphere was only a third as much as it is today. Radioactive dating can distinguish ages of different types of methane in the air, and researchers hope to quantify sources from sheep, swamps, people or industry. Sheep methane is collected at a local agricultural university from sheep with tubes protruding from their intestines. Sample collector Lowe alternates specimens from the university and the digester tank at the sewage treatment plant. The cleanest air samples, by contrast, are collected by Lowe at Baring Head, the first outcrop of land Antarctic winds hit after crossing thousands of miles of open sea. So far, Lowe and his colleagues have found that 75% of methane in the atmosphere is biological and of very recent origin. While the research goes on, New Zealand's sheep population continue to churn out 2.5 billion gallons of methane every week.

  9. Plutonium 239 Equivalency Calculations

    SciTech Connect (OSTI)

    Wen, J

    2011-05-31

    This document provides the basis for converting actual weapons grade plutonium mass to a plutonium equivalency (PuE) mass of Plutonium 239. The conversion can be accomplished by performing calculations utilizing either: (1) Isotopic conversions factors (CF{sub isotope}), or (2) 30-year-old weapons grade conversion factor (CF{sub 30 yr}) Both of these methods are provided in this document. Material mass and isotopic data are needed to calculate PuE using the isotopic conversion factors, which will provide the actual PuE value at the time of calculation. PuE is the summation of the isotopic masses times their associated isotopic conversion factors for plutonium 239. Isotopic conversion factors are calculated by a normalized equation, relative to Plutonium 239, of specific activity (SA) and cumulated dose inhalation affects based on 50-yr committed effective dose equivalent (CEDE). The isotopic conversion factors for converting weapons grade plutonium to PuE are provided in Table-1. The unit for specific activity (SA) is curies per gram (Ci/g) and the isotopic SA values come from reference [1]. The cumulated dose inhalation effect values in units of rem/Ci are based on 50-yr committed effective dose equivalent (CEDE). A person irradiated by gamma radiation outside the body will receive a dose only during the period of irradiation. However, following an intake by inhalation, some radionuclides persist in the body and irradiate the various tissues for many years. There are three groups CEDE data representing lengths of time of 0.5 (D), 50 (W) and 500 (Y) days, which are in reference [2]. The CEDE values in the (W) group demonstrates the highest dose equivalent value; therefore they are used for the calculation.

  10. NREL Helps Clean Cities Displace Billions of Gallons of Petroleum, One Vehicle at a Time (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2010-10-01

    With more than 15 years and nearly 3 billion gallons of displaced petroleum under its belt, the Clean Cities program relies on the support and expertise of the National Renewable Energy Laboratory (NREL). An initiative of the U.S. Department of Energy (DOE), Clean Cities creates public-private partnerships with a common mission: to reduce petroleum consumption in the transportation sector. Since the inception of Clean Cities in 1993, NREL has played a central role in supporting the program, an effort that stems from the laboratory's strategy to put scientific innovation into action in the marketplace.

  11. Free products, Orbit Equivalence and Measure Equivalence Rigidity

    E-Print Network [OSTI]

    Gaboriau, Damien

    Free products, Orbit Equivalence and Measure Equivalence Rigidity Aurélien Alvarez and Damien free products of non-amenable groups with vanishing first 2-Betti numbers is induced by measure in free product decompo- sitions, in the measurable context. To this end, we will take full advantage

  12. Free products, Orbit Equivalence and Measure Equivalence Rigidity

    E-Print Network [OSTI]

    d'Orléans, Université

    Free products, Orbit Equivalence and Measure Equivalence Rigidity Aurélien Alvarez and Damien two free products of non-amenable groups with vanishing first 2-Betti numbers is induced by measure in free product decompo- sitions, in the measurable context. To this end, we will take full advantage

  13. Analytic equivalence of geometric transitions

    E-Print Network [OSTI]

    Michele Rossi

    2014-08-28

    In this paper \\emph{analytic equivalence} of geometric transition is defined in such a way that equivalence classes of geometric transitions turn out to be the \\emph{arrows} of the \\cy web. Then it seems natural and useful, both from the mathematical and physical point of view, look for privileged arrows' representatives, called \\emph{canonical models}, laying the foundations of an \\emph{analytic} classification of geometric transitions. At this purpose a numerical invariant, called \\emph{bi--degree}, summarizing the topological, geometric and physical changing properties of a geometric transition, is defined for a large class of geometric transitions.

  14. Best available control technology (BACT) equivalent for the control of volatile organic emissions from paint dipping operations

    SciTech Connect (OSTI)

    Blankenship, W.R.; Pugh, C.W. Jr.

    1999-07-01

    This paper provides details of a study conducted to demonstrate an equivalent method of Best Available Control Technology (BACT) compliance for volatile organic emissions from dip coating of certain miscellaneous metal parts. The study was proposed to show that the total volatile organic compound (VOC) emissions from 3.8 lb of VOC/gallon coating formulations were no greater than the total VOC emissions from 3.5 lb/gallon formulations used under the same conditions for coating steel joists. The presumptive BACT standard enforced by the Virginia Department of Environmental Quality (DEQ) for dip coating of steel joists is 3.5 lb/gallon. The requirement of 3.5 lb/gallon was derived from the US Environmental Protection Agency Guideline Series Control of Volatile Organic Emissions from Existing Stationary Sources--Volume 6: Surface Coating of Miscellaneous Metal Parts and Products. On June 5, 1998 the source completed a 12 month, full scale comparison study under a consent order with the Virginia DEQ. During the study period, the source made daily measurements of product produced, paint used, and emissions from the control and test paint tanks, and reported data to EPA and the DEQ every two months. The study concluded that a 26 percent reduction in paint usage and a 20 percent reduction in emissions was achieved in the test tanks using a 3.8 lb/gal coating compared to the control tanks using a 3.5 lb/gal coating. This study enables the source to achieve greater emission reductions than the presumptive BACT level and at the same time reduce painting costs by 34%. This study provides positive results for the environment, the steel joist industry, and the construction industry. This study could impact EPA's current Maximum Achievable Control Technology (MACT) rule development for Miscellaneous Metal Parts and Products and national VOC rules for this source category under Section 183(e) of the Clean Air Act.

  15. Snow water equivalent estimation using blackbox optimization

    E-Print Network [OSTI]

    Stéphane Alarie

    2011-03-07

    Mar 7, 2011 ... Abstract: Accurate measurements of snow water equivalent (SWE) is an important factor in managing water resources for hydroelectric power ...

  16. Dynamical ensembles equivalence in fluid mechanics

    E-Print Network [OSTI]

    Giovanni Gallavotti

    1996-05-09

    Dissipative Euler and Navier Stokes equations are discussed with the aim of proposing several experiments apt to test the equivalence of dynamical ensembles and the chaotic hypothesis.

  17. Morita Equivalence in Deformation Quantization Henrique Bursztyn

    E-Print Network [OSTI]

    Bursztyn, Henrique

    do Rio de Janeiro, Brazil) 1996 M.Sc. (Universidade Federal do Rio de Janeiro, Brazil) 1996 . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.2 Morita equivalence of unital algebras . . . . . . . . . . . . . . . . . . . . . . 12 2

  18. Characterization of Revenue Equivalence Birgit Heydenreich1

    E-Print Network [OSTI]

    Sandholm, Tuomas W.

    Characterization of Revenue Equivalence Birgit Heydenreich1 Rudolf M¨uller1 Marc Uetz1 Rakesh Vohra strategies by a unique payment scheme is called revenue equivalence. In this paper we give a characterization. The characterization holds for any (possibly infinite) outcome space and many of the known results about revenue

  19. Remarks on statistical errors in equivalent widths

    E-Print Network [OSTI]

    Klaus Vollmann; Thomas Eversberg

    2006-07-03

    Equivalent width measurements for rapid line variability in atomic spectral lines are degraded by increasing error bars with shorter exposure times. We derive an expression for the error of the line equivalent width $\\sigma(W_\\lambda)$ with respect to pure photon noise statistics and provide a correction value for previous calculations.

  20. Equivalence in Ventilation and Indoor Air Quality

    SciTech Connect (OSTI)

    Sherman, Max; Walker, Iain; Logue, Jennifer

    2011-08-01

    We ventilate buildings to provide acceptable indoor air quality (IAQ). Ventilation standards (such as American Society of Heating, Refrigerating, and Air-Conditioning Enginners [ASHRAE] Standard 62) specify minimum ventilation rates without taking into account the impact of those rates on IAQ. Innovative ventilation management is often a desirable element of reducing energy consumption or improving IAQ or comfort. Variable ventilation is one innovative strategy. To use variable ventilation in a way that meets standards, it is necessary to have a method for determining equivalence in terms of either ventilation or indoor air quality. This study develops methods to calculate either equivalent ventilation or equivalent IAQ. We demonstrate that equivalent ventilation can be used as the basis for dynamic ventilation control, reducing peak load and infiltration of outdoor contaminants. We also show that equivalent IAQ could allow some contaminants to exceed current standards if other contaminants are more stringently controlled.

  1. Feasibility study report for the Imperial Valley Ethanol Refinery: a 14. 9-million-gallon-per-year ethanol synfuel refinery utilizing geothermal energy

    SciTech Connect (OSTI)

    Not Available

    1981-03-01

    The construction and operation of a 14,980,000 gallon per year fuel ethanol from grain refinery in the Imperial Valley of California is proposed. The Imperial Valley Ethanol Refinery (refinery) will use hot geothermal fluid from geothermal resources at the East Mesa area as the source of process energy. In order to evaluate the economic viability of the proposed Project, exhaustive engineering, cost analysis, and financial studies have been undertaken. This report presents the results of feasibility studies undertaken in geothermal resource, engineering, marketing financing, management, environment, and permits and approvals. The conclusion of these studies is that the Project is economically viable. US Alcohol Fuels is proceeding with its plans to construct and operate the Refinery.

  2. Bisimulations Meet PCTL Equivalences for Probabilistic Automata

    E-Print Network [OSTI]

    Song, Lei; Godskesen, Jens Chr

    2011-01-01

    Probabilistic automata (PA) have been successfully applied in the formal verification of concurrent and stochastic systems. Efficient model checking algorithms have been studied, where the most often used logics for expressing properties are based on PCTL and its extension PCTL*. Various behavioral equivalences are proposed for PAs, as a powerful tool for abstraction and compositional minimization for PAs. Unfortunately, the behavioral equivalences are well-known to be strictly stronger than the logical equivalences induced by PCTL or PCTL*. This paper introduces novel notions of strong bisimulation relations, which characterizes PCTL and PCTL* exactly. We also extend weak bisimulations characterizing PCTL and PCTL* without next operator, respectively. Thus, our paper bridges the gap between logical and behavioral equivalences in this setting.

  3. The difference between “equivalent” and “not different”

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

    Anderson-Cook, Christine M.; Borror, Connie M.

    2015-10-27

    Often, experimenters wish to establish that populations of units can be considered equivalent to each other, in order to leverage improved knowledge about one population for characterizing the new population, or to establish the comparability of items. Equivalence tests have existed for many years, but their use in industry seems to have been largely restricted to biomedical applications, such as for assessing the equivalence of two drugs or protocols. We present the fundamentals of equivalence tests, compare them to traditional two-sample and ANOVA tests that are better suited to establishing differences in populations, and propose the use of a graphicalmore »summary to compare p-values across different thresholds of practically important differences.« less

  4. Decidability, Behavioural Equivalences and Infinite Transition Graphs 

    E-Print Network [OSTI]

    Hüttel, Hans

    This thesis studies behavioural equivalences on labelled infinite transition graphs and the role that they can play in the context of modal logics and notions from language theory. A natural class of such infinite graphs ...

  5. Energy Conservation Project Evaluation by Investment Equivalents 

    E-Print Network [OSTI]

    Larson, R. J.

    1984-01-01

    Using discounted cash flow techniques, a new parameter for the quick economic evaluation of energy conservation ideas is calculated. The meaning of the calculated value, an 'Investment Equivalent of Energy Saving', is: 'The maximum amount...

  6. The endotopism semigroups of an equivalence relation

    SciTech Connect (OSTI)

    Zhuchok, Yu V; Toichkina, E A

    2014-05-31

    In this work we investigate six types of endotopism semigroups for a given equivalence relation. Necessary and sufficient conditions for the existence of all such endotopisms are presented. Conditions for the regularity and coregularity of each of the endotopism semigroups of a given type are established. The notion of the endotype of a binary relation with respect to its endotopisms is introduced and the endotype of an arbitrary equivalence relation is calculated. Bibliography: 26 titles.

  7. Equivalence between XY and dimerized models

    SciTech Connect (OSTI)

    Campos Venuti, Lorenzo; Roncaglia, Marco

    2010-06-15

    The spin-1/2 chain with XY anisotropic coupling in the plane and the XX isotropic dimerized chain are shown to be equivalent in the bulk. For finite systems, we prove that the equivalence is exact in given parity sectors, after taking care of the precise boundary conditions. The proof is given constructively by finding unitary transformations that map the models onto each other. Moreover, we considerably generalized our mapping and showed that even in the case of fully site-dependent couplings the XY chain can be mapped onto an XX model. This result has potential application in the study of disordered systems.

  8. Equivalent Continuum Modeling for Shock Wave Propagation in Jointed...

    Office of Scientific and Technical Information (OSTI)

    Equivalent Continuum Modeling for Shock Wave Propagation in Jointed Media Citation Details In-Document Search Title: Equivalent Continuum Modeling for Shock Wave Propagation in...

  9. Equivalences on Observable Processes Irek Ulidowski

    E-Print Network [OSTI]

    Ulidowski, Irek

    and finitely observable. We define copy+refusal testing equivalence as indistinguishabil- ity by copy, provided their operational meaning is defined by realistically implementable transition rules. Process behaviour which can be established by so-called local testing but not global testing is called locally

  10. Unit Conversion Factors Quantity Equivalent Values

    E-Print Network [OSTI]

    Ashurst, W. Robert

    Unit Conversion Factors Quantity Equivalent Values Mass 1 kg = 1000 g = 0.001 metric ton = 2·R 10.73 psia·ft3 lbmol·R 62.36 liter·torr mol·K 0.7302 ft3·atm lbmol·R Temperature Conversions: T

  11. Static modules and equivalences Robert Wisbauer

    E-Print Network [OSTI]

    Wisbauer, Robert

    Static modules and equivalences Robert Wisbauer Mathematical Institute of the University 40225 D by the functor HomR(P, -). In R-Mod these are the P-static (= P-solvable) modules. In this context properties" under P S HomR(P, -). Following Nauman [20] and Alperin [3] we call these modules P-static. Other names

  12. CELLULAR ALGEBRAS: INFLATIONS AND MORITA EQUIVALENCES

    E-Print Network [OSTI]

    Xi, Changchang

    CELLULAR ALGEBRAS: INFLATIONS AND MORITA EQUIVALENCES STEFFEN KO$ NIG AND CHANGCHANG XI Dedicated to Professor Helmut Lenzing on the occasion of his 60th birthday 1. Introduction Cellular algebras have make explicit an inductive construction of cellular algebras which has as input data of linear algebra

  13. Derived Equivalences of Orders Alexander Zimmermann

    E-Print Network [OSTI]

    Zimmermann, Alexander

    Derived Equivalences of Orders Alexander Zimmermann Abstract Using the result of Roggenkamp with Steffen K¨onig [17]. The last section gives a definition and first properties of Picard groups of derived Derived categories arose first in algebraic geometry in the early 60's and proved there to be a powerful

  14. Assumptions to the Annual Energy Outlook 2014 - Abbreviations

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

    CO 2: Carbon dioxide CO 2 -EOR: Carbon dioxide-enhanced oil recovery CSAPR: Cross-State Air Pollution Rule CTL: Coal-to-liquids DG: Distributed generation DGE: Diesel gallon...

  15. Einstein's Apple: His First Principle of Equivalence

    E-Print Network [OSTI]

    Engelbert L. Schucking; Eugene J. Surowitz

    2012-08-09

    After a historical discussion of Einstein's 1907 principle of equivalence, a homogeneous gravitational field in Minkowski spacetime is constructed. It is pointed out that the reference frames in gravitational theory can be understood as spaces with a flat connection and torsion defined through teleparallelism. This kind of torsion was introduced by Einstein in 1928. The concept of torsion is discussed through simple examples and some historical observations.

  16. Equivalent Circuit Modeling of Hysteresis Motors

    SciTech Connect (OSTI)

    Nitao, J J; Scharlemann, E T; Kirkendall, B A

    2009-08-31

    We performed a literature review and found that many equivalent circuit models of hysteresis motors in use today are incorrect. The model by Miyairi and Kataoka (1965) is the correct one. We extended the model by transforming it to quadrature coordinates, amenable to circuit or digital simulation. 'Hunting' is an oscillatory phenomenon often observed in hysteresis motors. While several works have attempted to model the phenomenon with some partial success, we present a new complete model that predicts hunting from first principles.

  17. Orientifold Planar Equivalence: The Chiral Condensate

    E-Print Network [OSTI]

    Adi Armoni; Biagio Lucini; Agostino Patella; Claudio Pica

    2008-09-29

    The recently introduced orientifold planar equivalence is a promising tool for solving non-perturbative problems in QCD. One of the predictions of orientifold planar equivalence is that the chiral condensates of a theory with $N_f$ flavours of Dirac fermions in the symmetric (or antisymmetric) representation and $N_f$ flavours of Majorana fermions in the adjoint representation have the same large $N$ value for any value of the mass of the (degenerate) fermions. Assuming the invariance of the theory under charge conjugation, we prove this statement on the lattice for staggered quenched condensates in SU($N$) Yang-Mills in the large $N$ limit. Then, we compute numerically those quenched condensates for $N$ up to 8. After separating the even from the odd corrections in $1/N$, we are able to show that our data support the equivalence; however, unlike other quenched observables, subleading terms in $1/N$ are needed for describing the data for the symmetric and antisymmetric representation at $N$=3. Possible lessons for the unquenched case are discussed.

  18. The Equivalence Principle in a Quantum World

    E-Print Network [OSTI]

    N. E. J. Bjerrum-Bohr; John F. Donoghue; Basem Kamal El-Menoufi; Barry R. Holstein; Ludovic Planté; Pierre Vanhove

    2015-05-19

    We show how modern methods can be applied to quantum gravity at low energy. We test how quantum corrections challenge the classical framework behind the Equivalence Principle, for instance through introduction of non-locality from quantum physics, embodied in the Uncertainty Principle. When the energy is small we now have the tools to address this conflict explicitly. Despite the violation of some classical concepts, the EP continues to provide the core of the quantum gravity framework through the symmetry - general coordinate invariance - that is used to organize the effective field theory.

  19. AKS systems and Lepage equivalent problems

    E-Print Network [OSTI]

    Santiago Capriotti

    2011-01-06

    The integrable systems known as "AKS systems" admit a natural formulation in terms of a Hamiltonian picture. The Lagrangian side of these systems are far less known; a version in these terms can be found in a work of Feher et al. The purpose of these notes in to provide a novel description of AKS systems in terms of a variational problem different from the usual in mechanics. Additionally, and using techniques borrowed from an article of M. Gotay, it was possible to build the Hamiltonian side of this variational problem, allowing us to establish the equivalence with the usual approach to these integrable systems.

  20. Property:Equivalent URI | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LIST OFAMERICA'SHeavyAgency (IRENA)OptionsEquivalent URI Jump to: navigation, search

  1. Chapter_16_Equivalencies_and_Exemptions

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyTher i n c i p a lCaribElectricSouthApplying caulkChapter 9 of theEquivalencies and

  2. Equivalence Structures and Isomorphisms in the Difference Hierarchy

    E-Print Network [OSTI]

    Cenzer, Douglas

    Equivalence Structures and Isomorphisms in the Difference Hierarchy D. Cenzer, G. LaForte and J.B. Remmel August 23, 2007 Abstract We examine the notion of structures and functions in the Ershov differ- ence hierarchy, and of equivalence structures in particular. A equivalence structure A = (A, E) has

  3. INVARIANTS OF TWISTWISE FLOW EQUIVALENCE MICHAEL C. SULLIVAN

    E-Print Network [OSTI]

    Sullivan, Michael

    equivalent suspension flows. The suspension flow is a one­dimension flow obtained by taking the cross product an example. The map is just the horseshoe map. A piece of an orbit of a suspension flow is shown. The sectionINVARIANTS OF TWIST­WISE FLOW EQUIVALENCE MICHAEL C. SULLIVAN Abstract. Flow equivalence

  4. Primary version Derived equivalences and almost D-split sequences

    E-Print Network [OSTI]

    Xi, Changchang

    Primary version Derived equivalences and almost D-split sequences Wei Hu and Changchang Xi School introduce almost D-split sequences and provide several new methods to construct derived equivalences. In particular, we obtain derived equivalences from Auslander-Reiten sequences (or n-almost split sequences

  5. On equivalent resistance of electrical circuits

    E-Print Network [OSTI]

    Kagan, Mikhail

    2015-01-01

    While the standard (introductory physics) way of computing the equvalent resistance of non-trivial electrical ciruits is based on Kirchhoff's rules, there is a mathematically and conceptually simpler approach, called the method of nodal potentials, whose basic variables are the values of electric potential at the circuit's nodes. In this paper, we review the method of nodal potentials and illustrate it using the Wheatstone bridge as an example. At the end, we derive - in a closed form - the equivalent resistance of a generic circuit, which we apply to a few sample circuits. The final result unveils a curious interplay between electrical circuits, matrix algebra, and graph theory and its applications to computer science. The paper is written at a level accessible by undergraduate students who are familiar with matrix arithmetic. For the more inquisitive reader, additional proofs and technical details are provided in the appendix.

  6. 8657/03 DGE/kdv 1 THE EUROPEAN UNION

    E-Print Network [OSTI]

    significant greenhouse gas emissions: renewable energy sources, nuclear fission energy and nuclear fusion international nuclear fusion energy research project Delegations will find attached Commission document COM(2003 of progress of the negotiations concerning the ITER international nuclear fusion energy research project #12

  7. Des Grune Emissionshaus DGE GmbH | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (UtilityInstruments IncMississippi:DeltaFish LakeDepew, New York:DeringGrune

  8. Stability of the Gauge Equivalent Classes in Inverse Stationary ...

    E-Print Network [OSTI]

    2011-06-28

    mines the gauge equivalent class of the attenuation and scattering coefficients. ...... [18] M. Mokhtar-Kharroubi, Mathematical Topics in Neutron Transport Theory

  9. Gin Flat Snow Water Equivalent Estimation from Field Methods

    E-Print Network [OSTI]

    Vida, Jordan; Sa, Nathaniel; Lem, Dylan

    2014-01-01

    like to get involved with water resource management becauseJournal of the American Water Resources Association (JAWRA).Deformation Mechanisms on Snow Water Equivalent Pressure

  10. Using the Equivalent Kernel to Understand Gaussian Process Regression

    E-Print Network [OSTI]

    Sollich, Peter

    Using the Equivalent Kernel to Understand Gaussian Process Regression Peter Sollich Dept.k.i.williams@ed.ac.uk Abstract The equivalent kernel [1] is a way of understanding how Gaussian pro­ cess regression works processes. Consider the supervised regression problem for a dataset D with entries (x i ; y i ) for i = 1

  11. Using the Equivalent Kernel to Understand Gaussian Process Regression

    E-Print Network [OSTI]

    Sollich, Peter

    Using the Equivalent Kernel to Understand Gaussian Process Regression Peter Sollich Dept.k.i.williams@ed.ac.uk Abstract The equivalent kernel [1] is a way of understanding how Gaussian pro- cess regression works processes. Consider the supervised regression problem for a dataset D with entries (xi, yi) for i = 1

  12. An equivalent problem to the Twin Prime Conjecture

    E-Print Network [OSTI]

    F. Balestrieri

    2011-05-21

    In this short paper we will show, via elementary arguments, the equivalence of the Twin Prime Conjecture to a problem which might be simpler to prove. Some conclusions are drawn, and it is shown that proving the Twin Prime Conjecture is equivalent to proving that there cannot be an infinite string of consecutive natural numbers satisfying some specified equations.

  13. An equivalent form of Young's inequality with upper bound

    E-Print Network [OSTI]

    E. Minguzzi

    2008-08-05

    Young's integral inequality is complemented with an upper bound to the remainder. The new inequality turns out to be equivalent to Young's inequality, and the cases in which the equality holds become particularly transparent in the new formulation.

  14. Behavioral Model Equivalence Checking for Large Analog Mixed Signal Systems 

    E-Print Network [OSTI]

    Singh, Amandeep

    2012-07-16

    This thesis proposes a systematic, hierarchical, optimization based semi-formal equivalence checking methodology for large analog/mixed signal systems such as phase locked loops (PLL), analog to digital convertors (ADC) ...

  15. On equivalence of thinning fluids used for hydraulic fracturing

    E-Print Network [OSTI]

    Linkov, Alexander

    2012-01-01

    The paper aims to answer the question: if and how non-Newtonian fluids may be compared in their mechanical action when used for hydraulic fracturing? By employing the modified formulation of the PKN problem we obtain its simple analytical solutions in the cases of perfectly plastic and Newtonian fluids. Since the results for shear thinning fluids are intermediate between those for these cases, the obtained equation for the fracture length suggests a criterion of the equivalence of various shear thinning fluids for the problem of hydraulic fractures. We assume fluids equivalent in their hydrofracturing action, when at a reference time they produce fractures of the same length. The equation for the fracture length translates the equivalence in terms of the hydraulic fracture length and treatment time into the equivalence in terms of the properties of a fracturing fluid (behavior and consistency indices). Analysis shows that the influence of the consistency and behavior indices on the fracture length, particle v...

  16. Design, construction and implementation of spherical tissue equivalent proportional counter 

    E-Print Network [OSTI]

    Perez Nunez, Delia Josefina

    2009-05-15

    and the response to neutrons as a function of angle was constant ±7%. This spherical tissue equivalent proportional counter detector system will improve the accuracy of dosimetry in space, and as a result improve radiation safety for astronauts....

  17. Optimized Design of Statically Equivalent Mooring and Catenary Ryser Systems 

    E-Print Network [OSTI]

    Felix Gonzalez, Ivan

    2015-03-03

    OPTIMIZED DESIGN OF STATICALLY EQUIVALENT MOORING AND CATENARY RYSER SYSTEMS A Dissertation by IVAN FELIX GONZALEZ Submitted to the Office of Graduate and Professional Studies of Texas A&M University in partial fulfillment of the requirements... Felix Gonzalez ii ABSTRACT Due to size limitations of wave basins worldwide it is necessary to employ statically equivalent truncated mooring and riser systems to test floating systems to be deployed in deep and ultra-deep waters. A procedure...

  18. What is Ramsey-equivalent to a clique? Andrey Grinshpun

    E-Print Network [OSTI]

    Fox, Jacob

    What is Ramsey-equivalent to a clique? Jacob Fox Andrey Grinshpun Anita Liebenau Yury Person§ Tibor Szab´o¶ December 1, 2013 Abstract A graph G is Ramsey for H if every two-colouring of the edges of G contains a monochromatic copy of H. Two graphs H and H are Ramsey-equivalent if every graph G is Ramsey

  19. Mesoscale symmetries explain dynamical equivalence of food webs

    E-Print Network [OSTI]

    Aufderheide, Helge; Gross, Thilo

    2012-01-01

    A present challenge in complex systems is to identify mesoscale structures that have distinct dynamical implications. In this paper we present a detailed investigation of a previously observed dynamical equivalence of certian ecological food webs. We show that this equivalence is rooted in mesoscale symmetries that exist in these webs. Certain eigenvectors of the Jacobian describing dynamical modes of the system, such as specific instabilities or responses to perturbations, localize on these symmetric motifs. On the one hand this means that by removing a symmetry from the network one obtains a system which has identical dynamics except for the removal of the localized mode. This explains the previously observed equivalence. On the other hand it means that we can identify dynamical modes that only depend on the symmetric motif. Symmetric structures thus provide an example for mesoscale network motifs having distinct and exact implications for the dynamics.

  20. Electrical charges in gravitational fields, and Einstein's equivalence principle

    E-Print Network [OSTI]

    Gerold Gründler

    2015-10-12

    According to Larmor's formula, accelerated electric charges radiate electromagnetic waves. Hence charges should radiate, if they are in free fall in gravitational fields, and they should not radiate if they are supported at rest in gravitational fields. But according to Einstein's equivalence principle, charges in free fall should not radiate, while charges supported at rest in gravitational fields should radiate. In this article we point out indirect experimental evidence, indicating that the equivalence principle is correct, while the traditional interpretation of Larmor's formula must be amended.

  1. Electrical charges in gravitational fields, and Einstein's equivalence principle

    E-Print Network [OSTI]

    Gerold Gründler

    2015-10-06

    According to Larmor's formula, accelerated electric charges radiate electromagnetic waves. Hence charges should radiate, if they are in free fall in gravitational fields, and they should not radiate if they are supported at rest in gravitational fields. But according to Einstein's equivalence principle, charges in free fall should not radiate, while charges supported at rest in gravitational fields should radiate. In this article we point out indirect experimental evidence, indicating that the equivalence principle is correct, while Larmor's formula must be interpreted different than commonly accepted.

  2. Intern equivalency at the Energy Resources Conservation Board: a report 

    E-Print Network [OSTI]

    Collins, Gerald, 1949-

    2013-03-13

    stream_source_info 4019367.pdf.txt stream_content_type text/plain stream_size 91788 Content-Encoding ISO-8859-1 stream_name 4019367.pdf.txt Content-Type text/plain; charset=ISO-8859-1 INTERN EQUIVALENCY AT THE ENERGY... Engineering INTERN EQUIVALENCY AT THE ENERGY RESOURCES CONSERVATION BOARD A Report by Gerald Collins Approved as to styleand content by (ChairmanJifi?'Commi ttee) (Member) (Member) December 1980 ABSTRACT The author had seven years' engineering...

  3. eGallon | Department of Energy

    Energy Savers [EERE]

    that runs on gasoline. Did you know? On average, it costs about half as much to drive an electric vehicle. Find out how much it costs to fuel an electric vehicle in your state...

  4. Diesel prices top $4 per gallon

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry Natural GasNatural Gas UsageDiesel pricesDiesel prices top $4 per

  5. I. Introduction Equivalent loading of induction machines are

    E-Print Network [OSTI]

    Szabados, Barna

    phase synchronous machine. If the synchronous machine had a rotor with two windings with a spacial phaseI. Introduction Equivalent loading of induction machines are used to test machines for temperature loading tests, lead to the conclusion that synthetic loading is a viable simple test for large machines

  6. The Equivalence between Row and Column Linear Regression

    E-Print Network [OSTI]

    Tresp, Volker

    The Equivalence between Row and Column Linear Regression: A Surprising Feature of Linear Regression and Communications 81730 M¨unchen, Germany Abstract The rows of the design matrix in linear regression are the inputs of the training data set. Normal regression is row regression: the goal is to predict a training target from

  7. Equivalence in Knowledge Representation: Automata, Recurrent Neural Networks,

    E-Print Network [OSTI]

    Giles, C. Lee

    Equivalence in Knowledge Representation: Automata, Recurrent Neural Networks, and Dynamical Fuzzy finite state automata (DFA) can be synthesized by or mapped into recurrent neural networks by directly programming the DFA structure into the weights of the neural network. Based on those results, a synthesis

  8. An ideal independent source as an equivalent 1-port

    E-Print Network [OSTI]

    Emanuel Gluskin; Anatoly Patlakh

    2011-08-24

    We consider a 1-port, not necessarily linear, with a dependent source, appearing at the port. The control of the source is entirely internal for the 1-port. If this source is a parallel voltage source, then the equivalent circuit is an ideal independent voltage source, and if it is a series current source, then the equivalent circuit is an ideal independent current source. (As usual, "ideal" source is defined as a source whose proposed function is independent of the load.) In the simple LTI case, these results can be obtained, respectively, by either taking RTh zero in the Thevenin equivalent, or taking RN infinite in the Norton equivalent; however the very fact that the final circuits do not include any linear elements indicates the possibility of generalization to nonlinear 1-ports. Some limitations on the circuit's structure (functional dependencies in it) are required, and the clearness of these limitations, i.e. clearness of the conditions for the 1-port to be an ideal source for any load, is the aesthetical point.

  9. Cultural evolution is not equivalent to Darwinian evolution

    E-Print Network [OSTI]

    Reader, Simon

    Cultural evolution is not equivalent to Darwinian evolution Dwight W. Read Department://www.sscnet.ucla.edu/anthro/faculty/read/ Abstract: Darwinian evolution, defined as evolution arising from selection based directly on the properties. The difficulty with linking Darwinian evolution to structural properties of cultural constructs is exemplified

  10. On an Equivalence between PLSI and LDA Mark Girolami

    E-Print Network [OSTI]

    Kaban, Ata

    On an Equivalence between PLSI and LDA Mark Girolami School of ICT University of Paisley PA1 2BE, UK mark.girolami@paisley.ac.uk Ata Kab´an School of Computer Science University of Birmingham B15 2TT

  11. CONTROLLED TOPOLOGICAL EQUIVALENCE OF MAPS IN THE THEORY OF

    E-Print Network [OSTI]

    Hughes, Bruce

    CONTROLLED TOPOLOGICAL EQUIVALENCE OF MAPS IN THE THEORY OF STRATIFIED SPACES AND APPROXIMATE connections among the theories of topological stability of maps, controlled topology, and stratified spaces FIBRATIONS Bruce Hughes Ă?Ă?Ă? Ă?Âş Ideas from the theory of topological stability of smooth maps are trans

  12. Equivalence for Varieties in General and for BOOL in Particular

    E-Print Network [OSTI]

    Porst, Hans-E. Fachbereich 3

    algebras of fixed orders m and the variety BOOL of Boolean algebras are obtained; moreover it can be shownEquivalence for Varieties in General and for BOOL in Particular Hans­E. Porst Abstract power construction of a variety and McKenzie's ­ modification of classes of algebras [22] become

  13. ON OBSERVATIONAL EQUIVALENCE AND ALGEBRAIC SPECIFICATION --Extended abstract i --

    E-Print Network [OSTI]

    Sannella, Don

    operations on nat and bool), and suppose A and B are ~-algebras with tAIbunch = the set of finite setsON OBSERVATIONAL EQUIVALENCE AND ALGEBRAIC SPECIFICATION -- Extended abstract i -- Donald Sannella which is adequate to handle reachable algebras only, and show how to extend it to cope with unreachable

  14. Flat systems, equivalence and trajectory R. M. Murray

    E-Print Network [OSTI]

    Murray, Richard M.

    Flat systems, equivalence and trajectory generation Ph. Martin R. M. Murray P. Rouchon Technical report, April 2003 Abstract Flat systems, an important subclass of nonlinear control systems in- troduced the infinite dimensional geometry devel- oped by Vinogradov and coworkers: a control system is a diffiety

  15. Equivalence problem for the orthogonal webs on the sphere

    E-Print Network [OSTI]

    Caroline Cochran; Raymond G. McLenaghan; Roman G. Smirnov

    2010-09-22

    We solve the equivalence problem for the orthogonally separable webs on the three-sphere under the action of the isometry group. This continues a classical project initiated by Olevsky in which he solved the corresponding canonical forms problem. The solution to the equivalence problem together with the results by Olevsky forms a complete solution to the problem of orthogonal separation of variables to the Hamilton-Jacobi equation defined on the three-sphere via orthogonal separation of variables. It is based on invariant properties of the characteristic Killing two-tensors in addition to properties of the corresponding algebraic curvature tensor and the associated Ricci tensor. The result is illustrated by a non-trivial application to a natural Hamiltonian defined on the three-sphere.

  16. Torsion-balance tests of the weak equivalence principle

    E-Print Network [OSTI]

    T. A. Wagner; S. Schlamminger; J. H. Gundlach; E. G. Adelberger

    2012-07-10

    We briefly summarize motivations for testing the weak equivalence principle and then review recent torsion-balance results that compare the differential accelerations of beryllium-aluminum and beryllium-titanium test body pairs with precisions at the part in $10^{13}$ level. We discuss some implications of these results for the gravitational properties of antimatter and dark matter, and speculate about the prospects for further improvements in experimental sensitivity.

  17. Weak Equivalence Principle, Lorentz Non-invariance, and Nuclear Decays

    E-Print Network [OSTI]

    E. Fischbach; V. E. Barnes; J. M. Heim; D. E. Krause; J. M. Nistor

    2015-05-16

    We consider three possible manifestations of physics beyond the Standard Model, and the relations among them. These are Lorentz non-invariance (LNI), violations of the Weak Equivalence Principle (WEP), and indications of time-varying nuclear decay constants. We present preliminary results from a new experiment indicating the presence of annual and subannual periodicities in decay data, and discuss their implications for physics beyond the Standard Model.

  18. Equivalence of optical and electrical noise equivalent power of hybrid NbTiN-Al microwave kinetic inductance detectors

    SciTech Connect (OSTI)

    Janssen, R. M. J.; Endo, A.; Visser, P. J. de; Klapwijk, T. M.; Baselmans, J. J. A.

    2014-11-10

    We have measured and compared the response of hybrid NbTiN-Al Microwave Kinetic Inductance Detectors (MKIDs) to changes in bath temperature and illumination by sub-mm radiation. We show that these two stimulants have an equivalent effect on the resonance feature of hybrid MKIDs. We determine an electrical noise equivalent power (NEP) from the measured temperature responsivity, quasiparticle recombination time, superconducting transition temperature, and noise spectrum, all of which can be measured in a dark environment. For the two hybrid NbTiN-Al MKIDs studied in detail, the electrical NEP is within a factor of two of the optical NEP, which is measured directly using a blackbody source.

  19. Commutation Relations for Double Tensors of Two Equivalent D Electrons

    E-Print Network [OSTI]

    Chin-Sheng Wu

    2007-07-07

    We apply the Clebsch-Gordan and Racah coefficients to calculate the double tensors for two equivalent d electrons. We also obtain the commutation relations for these double tensors and choose certain quantum numbers, which produce a subgroup. From the root vectors of the commutation relations, we identify them with Lie algebra B2. Once we have the correct Lie algebra, it is feasible to use the Wigner-Eckart theorem to find matrix elements for transition states among atomic spectra or nuclear shell models.

  20. The equivalence of inverse Compton scattering and the undulator concept

    SciTech Connect (OSTI)

    Ng, K.Y,; /Fermilab

    2009-08-01

    Inverse Compton scattering is a method to produce very high frequency photon beam. However, the production mechanism can also be viewed as a undulator emission. This is because the electron sees electric and magnetic fields of the incident laser beam and is driven into transverse oscillatory motion in exactly the same way when the electron passes through a undulator consisting of alternating magnetic field. This note gives a detailed examination of the similarity about the two views. Equivalent undulator parameters are derived for the incident laser beam, as well as the differential cross section of photon emission.

  1. Distributed resonance self-shielding using the equivalence principle

    SciTech Connect (OSTI)

    Altiparmakov, D.

    2012-07-01

    This paper presents an extension of the equivalence principle to allow distributed resonance self-shielding in a multi-region fuel configuration. Rational expansion of fuel-to-fuel collision probability is applied in order to establish equivalence between the actual fuel configuration and a homogeneous mixture of hydrogen and resonant absorber, which is a commonly used model to calculate library tables of resonance integrals. The main steps in derivation are given along with the basic physics assumptions on which the presented approach relies. The method has been implemented in the lattice code WIMS-AECL and routinely used for calculation of CANDU-type reactor lattices. Its capabilities are illustrated by comparison of WIMS-AECL and MCNP results of {sup 238}U resonance capture in a CANDU lattice cell. In order to determine optimal rational expansion of fuel-to-fuel collision probability, the calculations were carried out by varying the number of rational terms from 1 to 6. The results show that 4 terms are sufficient. The further increase of the number of terms affects the computing time, while the impact on accuracy is negligible. To illustrate the convergence of the results, the fuel subdivision is gradually refined varying the number of fuel pin subdivisions from 1 to 32 equal-area annuli. The results show very good agreement with the reference MCNP calculation. (authors)

  2. Equivalent hydraulic conductivity of an experimental stratigraphy: Implications for basin-scale flow

    E-Print Network [OSTI]

    Gable, Carl W.

    Equivalent hydraulic conductivity of an experimental stratigraphy: Implications for basin by scaling up an experimental stratigraphy created by physical sedimentation processes and by assuming. Person (2006), Equivalent hydraulic conductivity of an experimental stratigraphy: Implications for basin

  3. Calculation of extremity neutron fluence-to-dose equivalent conversion factors 

    E-Print Network [OSTI]

    Wood-Zika, Annmarie Ruth

    1997-01-01

    -to-dose equivalent conversion factors to Los Alamos National Laboratory extremity dosimeter correction factors is performed....

  4. Relationship between ice water content and equivalent radar reflectivity for clouds consisting of nonspherical ice particles

    E-Print Network [OSTI]

    Baum, Bryan A.

    Relationship between ice water content and equivalent radar reflectivity for clouds consisting investigates the relationship between ice water content (IWC) and equivalent radar reflectivity (Ze) at 94 GHz. Baum, and A. J. Heymsfield (2008), Relationship between ice water content and equivalent radar

  5. Using hydraulic equivalences to discriminate transport processes1 of volcanic flows1

    E-Print Network [OSTI]

    Boyer, Edmond

    G21942 Using hydraulic equivalences to discriminate transport processes1 of volcanic flows1 2 Alain of hydraulic equivalence, we determined that deposits resulted from a combination of suspended-12 load fallout between transport mechanisms, hydraulic18 equivalences have a general applicability in geophysical flows

  6. EQUIVALENT STATIC WIND LOAD DISTRIBUTION OF COUPLED BUFFETING RESPONSE OF BRIDGES

    E-Print Network [OSTI]

    Kareem, Ahsan

    EQUIVALENT STATIC WIND LOAD DISTRIBUTION OF COUPLED BUFFETING RESPONSE OF BRIDGES Xinzhong Chen in terms of the equivalent static wind loads. The gust response factor (GRF) approach that assumes the equivalent static loads having the same distribution of the mean static wind loads is widely used

  7. 1 Copyright 2004 by ASME DESIGN FOR CRASHWORTHINESS OF VEHICLE STRUCTURES VIA EQUIVALENT

    E-Print Network [OSTI]

    Saitou, Kazuhiro "Kazu"

    1 Copyright © 2004 by ASME DESIGN FOR CRASHWORTHINESS OF VEHICLE STRUCTURES VIA EQUIVALENT "equivalent" mechanism models of vehicle structures as a tool for the early design exploration. An equivalent, structural design for crashworthiness is a difficult task in which the design process often involves non

  8. On the equivalence of state transformer semantics and predicate transformer semantics

    E-Print Network [OSTI]

    Keimel, Klaus

    On the equivalence of state transformer semantics and predicate transformer semantics Dedicated and the author [13] have worked out the equivalence between state transformer semantics and predicate transformer the last section, where the equivalence of predicate and state transformer semantics is finally put

  9. Derived equivalences for -Auslander-Yoneda algebras Wei Hu, Changchang Xi

    E-Print Network [OSTI]

    Xi, Changchang

    Derived equivalences for -Auslander-Yoneda algebras Wei Hu, Changchang Xi School of Mathematical derived equivalences between these -Auslander-Yoneda algebras (not necessarily Artin algebras), or their quotient algebras, from a given almost -stable derived equivalence. As consequences of our method, we have

  10. Topographic Effects on Ambient Dose Equivalent Rates from Radiocesium Fallout

    E-Print Network [OSTI]

    Malins, Alex; Machida, Masahiko; Saito, Kimiaki

    2015-01-01

    Land topography can affect air radiation dose rates by locating radiation sources closer to, or further, from detector locations when compared to perfectly flat terrain. Hills and slopes can also shield against the propagation of gamma rays. To understand the possible magnitude of topographic effects on air dose rates, this study presents calculations for ambient dose equivalent rates at a range of heights above the ground for varying land topographies. The geometries considered were angled ground at the intersection of two planar surfaces, which is a model for slopes neighboring flat land, and a simple conical geometry, representing settings from hilltops to valley bottoms. In each case the radiation source was radioactive cesium fallout, and the slope angle was varied systematically to determine the effect of topography on the air dose rate. Under the assumption of homogeneous fallout across the land surface, and for these geometries and detector locations, the dose rates at high altitudes are more strongly...

  11. Quantum Equivalence and Quantum Signatures in Heat Engines

    E-Print Network [OSTI]

    Raam Uzdin; Amikam Levy; Ronnie Kosloff

    2015-04-15

    Quantum heat engines (QHE) are thermal machines where the working substance is quantum. In the extreme case the working medium can be a single particle or a few level quantum system. The study of QHE has shown a remarkable similarity with the standard thermodynamical models, thus raising the issue what is quantum in quantum thermodynamics. Our main result is thermodynamical equivalence of all engine type in the quantum regime of small action. They have the same power, the same heat, the same efficiency, and they even have the same relaxation rates and relaxation modes. Furthermore, it is shown that QHE have quantum-thermodynamic signature, i.e thermodynamic measurements can confirm the presence of quantum coherence in the device. The coherent work extraction mechanism enables power outputs that greatly exceed the power of stochastic (dephased) engines.

  12. Test of the Equivalence Principle Using a Rotating Torsion Balance

    E-Print Network [OSTI]

    S. Schlamminger; K. -Y. Choi; T. A. Wagner; J. H. Gundlach; E. G. Adelberger

    2007-12-04

    We used a continuously rotating torsion balance instrument to measure the acceleration difference of beryllium and titanium test bodies towards sources at a variety of distances. Our result Delta a=(0.6+/-3.1)x10^-15 m/s^2 improves limits on equivalence-principle violations with ranges from 1 m to infinity by an order of magnitude. The Eoetvoes parameter is eta=(0.3+/-1.8)x10^-13. By analyzing our data for accelerations towards the center of the Milky Way we find equal attractions of Be and Ti towards galactic dark matter, yielding eta=(-4 +/- 7)x10^-5. Space-fixed differential accelerations in any direction are limited to less than 8.8x10^-15 m/s^2 with 95% confidence.

  13. The impact of equivalence ratio oscillations on combustion dynamics in a backward-facing step combustor

    SciTech Connect (OSTI)

    Murat Altay, H.; Speth, Raymond L.; Hudgins, Duane E.; Ghoniem, Ahmed F.

    2009-11-15

    The combustion dynamics of propane-air flames are investigated in an atmospheric pressure, atmospheric inlet temperature, lean, premixed backward-facing step combustor. We modify the location of the fuel injector to examine the impact of equivalence ratio oscillations arriving at the flame on the combustion dynamics. Simultaneous pressure, velocity, heat-release rate and equivalence ratio measurements and high-speed video from the experiments are used to identify and characterize several distinct operating modes. When the fuel is injected far upstream from the step, the equivalence ratio arriving at the flame is steady and the combustion dynamics are controlled only by flame-vortex interactions. In this case, different dynamic regimes are observed depending on the operating parameters. When the fuel is injected close to the step, the equivalence ratio arriving at the flame exhibits oscillations. In the presence of equivalence ratio oscillations, the measured sound pressure level is significant across the entire range of lean mean equivalence ratios even if the equivalence ratio oscillations arriving at the flame are out-of-phase with the pressure oscillations. The combustion dynamics are governed primarily by the flame-vortex interactions, while the equivalence ratio oscillations have secondary effects. The equivalence ratio oscillations could generate variations in the combustion dynamics in each cycle under some operating conditions, destabilize the flame at the entire range of the lean equivalence ratios, and increase the value of the mean equivalence ratio at the lean blowout limit. (author)

  14. Light WIMPs, Equivalent Neutrinos, BBN, and the CMB

    E-Print Network [OSTI]

    Gary Steigman; Kenneth M. Nollett

    2014-01-21

    Recent updates to the observational determinations of the primordial abundances of helium and deuterium are compared to the predictions of BBN to infer the universal ratio of baryons to photons (or, the present Universe baryon mass density parameter Omega_B h^2), as well as to constrain the effective number of neutrinos (N_eff) and the number of equivalent neutrinos (Delta N_nu). These BBN results are compared to those derived independently from the Planck CMB data. In the absence of a light WIMP (chi), N_eff = 3.05(1 + Delta N_nu/3). In this case, there is excellent agreement between BBN and the CMB, but the joint fit finds that Delta N_nu = 0.40 +/- 0.17, disfavoring standard big bang nucleosynthesis (SBBN: Delta N_nu = 0) at 2.4 sigma, as well as a sterile neutrino (Delta N_nu = 1) at 3.5 sigma. In the presence of a light WIMP, the relation between N_eff and Delta N_nu depends on the WIMP mass, leading to degeneracies among N_eff, Delta N_nu, and m_chi. The complementary and independent BBN and CMB data can break some of these degeneracies. Depending on the nature of the light WIMP (Majorana or Dirac fermion, real or complex scalar) the joint BBN + CMB analyses set a lower bound to m_chi in the range from 0.5 to 5 MeV, and they identify best fit values for m_chi in the range from 5 to 10 MeV. The joint BBN + CMB analyses find a best fit value for the number of equivalent neutrinos, Delta N_nu = 0.65, nearly independent of the nature of the WIMP. The best fit still disfavors the absence of dark radiation (Delta N_nu = 0 at 95% confidence), while allowing for the presence of a sterile neutrino (Delta N_nu = 1 at less than 1 sigma). For all cases considered here, the lithium problem persists. These results, presented at the 2013 Rencontres de l'Observatoire de Paris - ESO Workshop, are based on Nollett & Steigman 2013 (arXiv:1312.5725 [astro-ph.CO]).

  15. On the Equivalence Principle and Electrodynamics of Moving Bodies

    E-Print Network [OSTI]

    Maciej Trzetrzelewski

    2015-03-18

    Consider an observer surrounded by a charged, conducting elevator (assume that the charge is isolated from the observer). In the presence of the external electric field the elevator will accelerate however, due to the screening effect, the observer will not be able to detect any electromagnetic field. According to the equivalence principle, the observer may identify the cause of the acceleration with the external gravitational field. However the elevator's motion is given by Lorentz-force equation. Therefore there should exist a metric, depending on electromagnetic potential, for which the geodesics coincide with the trajectories of the charged body in the electromagnetic field. We give a solution to this problem by finding such metric. In doing so one must impose a constraint on the electromagnetic field in a certain way. That constraint turns out to be achievable by marginal gauge transformations whose phase is closely related to the Hamilton-Jacobi function. Finally we show that for weak fields the Einstein-Hilbert action for the proposed metric results in the Stueckelberg massive electrodynamics. For strong fields (e.g. at small scales) the correspondence is broken by a term that at the same time makes the theory non-renormalizable. We conjecture the existence of a quantum theory whose effective action reproduces the non-renormalizable term and hence the Einstein-Hilbert action.

  16. Optical Anisotropy of Schwarzschild Metric within Equivalent Medium Framework

    E-Print Network [OSTI]

    Sina Khorasani; Bizhan Rashidian

    2009-12-16

    It is has been long known that the curved space in the presence of gravitation can be described as a non-homogeneous anisotropic medium in flat geometry with different constitutive equations. In this article, we show that the eigenpolarizations of such medium can be exactly solved, leading to a pseudo-isotropic description of curved vacuum with two refractive index eigenvalues having opposite signs, which correspond to forward and backward travel in time. We conclude that for a rotating universe, time-reversal symmetry is broken. We also demonstrate the applicability of this method to Schwarzschild metric and derive exact forms of refractive index. We derive the subtle optical anisotropy of space around a spherically symmetric, non-rotating and uncharged blackhole in the form of an elegant closed form expression, and show that the refractive index in such a pseudo-isotropic system would be a function of coordinates as well as the direction of propagation. Corrections arising from such anisotropy in the bending of light are shown and a simplified system of equations for ray-tracing in the equivalent medium of Schwarzschild metric is found.

  17. Probing the Goldstone equivalence theorem in Heavy Weak Doublet Decays

    E-Print Network [OSTI]

    Dutta, Bhaskar; Sanford, David; Walker, Joel W

    2015-01-01

    This paper investigates the decays from heavy higgsino-like weak-doublets into Z, h bosons and missing particles. When pair-produced at the LHC, the subsequent Z, h to 2l, 2b decays in the doublet decay cascade can yield 4l, 2l 2b, and 4b + MET + jets final states. Mutual observation of any two of these channels would provide information on the the associated doublets' decay branching fractions into a Z or h, thereby probing the Goldstone equivalence relation, shedding additional light on the Higgs sector of beyond the Standard Model theories, and facilitating the discrimination of various contending models, in turn. We compare the Z/h decay ratio expected in the Minimal Supersymmetric model, the Next-to Minimal Supersymmetric model and a minimal singlet-doublet dark matter model. Additionally, we conduct a full Monte Carlo analysis of the prospects for detecting the targeted final states during 14 TeV running of the LHC in the context of a representative NMSSM benchmark model.

  18. Connectivity between Eurasian snow cover extent and Canadian snow water equivalent and river

    E-Print Network [OSTI]

    Dery, Stephen

    Connectivity between Eurasian snow cover extent and Canadian snow water equivalent and river historical time series of satellite-based measurements of Eurasian snow cover extent and of observed Canadian snow water equivalent (SWE) and freshwater discharge, with a focus on the Churchill River Basin

  19. Snow water equivalent in the Sierra Nevada: Blending snow sensor observations with snowmelt model simulations

    E-Print Network [OSTI]

    Dozier, Jeff

    Snow water equivalent in the Sierra Nevada: Blending snow sensor observations with snowmelt model 2013. [1] We estimate the spatial distribution of daily melt-season snow water equivalent (SWE) over snow cover images with a spatially distributed snowmelt model and a blended method in which

  20. REGIONAL PATTERNS OF SNOW WATER EQUIVALENT IN THE COLORADO RIVER BASIN USING SNOWPACK TELEMETRY (SNOTEL) DATA

    E-Print Network [OSTI]

    Anderson, Charles W.

    THESIS REGIONAL PATTERNS OF SNOW WATER EQUIVALENT IN THE COLORADO RIVER BASIN USING SNOWPACK University Fort Collins, Colorado Spring 2008 #12;#12;iii ABSTRACT OF THESIS REGIONAL PATTERNS OF SNOW WATER. Previous clustering of station based snow water equivalent (SWE) data has typically grouped stations based

  1. Pricing Equity-Linked Pure Endowments via the Principle of Equivalent Utility

    E-Print Network [OSTI]

    Moore, Kristen

    Pricing Equity-Linked Pure Endowments via the Principle of Equivalent Utility Kristen S. Moore this contract via the principle of equivalent utility and demonstrate that, under the assumption of exponential utility, the indifference price solves a nonlinear Black-Scholes equation; the nonlinear term reflects

  2. Equivalent Static Wind Loads on Buildings: New Model Xinzhong Chen1

    E-Print Network [OSTI]

    Chen, Xinzhong

    Equivalent Static Wind Loads on Buildings: New Model Xinzhong Chen1 and Ahsan Kareem2 Abstract: In current design practice, spatiotemporally varying wind loads on buildings are modeled as equivalent static static wind load for any given peak response of buildings with uncoupled responses in the three primary

  3. Dominant dimensions, derived equivalences and tilting modules Hongxing Chen and Changchang Xi

    E-Print Network [OSTI]

    Xi, Changchang

    Dominant dimensions, derived equivalences and tilting modules Hongxing Chen and Changchang Xi by understanding this conjecture in the context of derived categories, we study dominant dimensions of algebras under derived equivalences induced by tilting modules, specifically, the infinity of dominant dimensions

  4. The Exploits of Sman shad’s mythical founder, Dge rab shad po can

    E-Print Network [OSTI]

    Zla ba sgrol ma

    2009-11-17

    last updated by World Oral Literature Project staff on Wednesday, Tuesday, June 8, 2010 Accession Form for Individual Recordings: Collection / Collector Name Oral literature of the Sman shad Valley/ Zla ba sgrol ma. Tape No. / Track / Item No...

  5. Numerical Boson Stars with a Single Killing Vector I: the $D\\ge5$ Case

    E-Print Network [OSTI]

    Sean Stotyn; C. Danielle Leonard; Marius Oltean; Laura J. Henderson; Robert B. Mann

    2013-12-13

    We numerically construct asymptotically anti-de Sitter boson star solutions using a minimally coupled $\\frac{D-1}{2}$-tuplet complex scalar field in $D=5,7,9,11$ dimensions. The metric admits multiple Killing vector fields in general, however the scalar fields are only invariant under a particular combination, leading to such boson star solutions possessing just a single helical Killing symmetry. These boson stars form a one parameter family of solutions, which can be parametrized by the energy density at their center. As the central energy density tends to infinity, the angular velocity, mass, and angular momentum of the boson star exhibit damped harmonic oscillations about finite central values, while the Kretschmann invariant diverges, signaling the formation of a black hole in this limit.

  6. Periodic equivalence ratio modulation method and apparatus for controlling combustion instability

    DOE Patents [OSTI]

    Richards, George A. (Morgantown, WV); Janus, Michael C. (Baltimore, MD); Griffith, Richard A. (Morgantown, WV)

    2000-01-01

    The periodic equivalence ratio modulation (PERM) method and apparatus significantly reduces and/or eliminates unstable conditions within a combustion chamber. The method involves modulating the equivalence ratio for the combustion device, such that the combustion device periodically operates outside of an identified unstable oscillation region. The equivalence ratio is modulated between preselected reference points, according to the shape of the oscillation region and operating parameters of the system. Preferably, the equivalence ratio is modulated from a first stable condition to a second stable condition, and, alternatively, the equivalence ratio is modulated from a stable condition to an unstable condition. The method is further applicable to multi-nozzle combustor designs, whereby individual nozzles are alternately modulated from stable to unstable conditions. Periodic equivalence ratio modulation (PERM) is accomplished by active control involving periodic, low frequency fuel modulation, whereby low frequency fuel pulses are injected into the main fuel delivery. Importantly, the fuel pulses are injected at a rate so as not to affect the desired time-average equivalence ratio for the combustion device.

  7. Periodic equivalence ratio modulation method and apparatus for controlling combustion instability

    SciTech Connect (OSTI)

    Richards, G.A.; Janus, M.C.; Griffith, R.A.

    2000-05-09

    The periodic equivalence ratio modulation (PERM) method and apparatus significantly reduces and/or eliminates unstable conditions within a combustion chamber. The method involves modulating the equivalence ratio for the combustion device, such that the combustion device periodically operates outside of an identified unstable oscillation region. The equivalence ratio is modulated between preselected reference points, according to the shape of the oscillation region and operating parameters of the system. Preferably, the equivalence ratio is modulated from a first stable condition to a second stable condition, and, alternatively, the equivalence ratio is modulated from a stable condition to an unstable condition. The method is further applicable to multi-nozzle combustor designs, whereby individual nozzles are alternately modulated from stable to unstable conditions. Periodic equivalence ratio modulation (PERM) is accomplished by active control involving periodic, low frequency fuel modulation, whereby low frequency fuel pulses are injected into the main fuel delivery. Importantly, the fuel pulses are injected at a rate so as not to affect the desired time-average equivalence ratio for the combustion device.

  8. An analytical method to calculate equivalent fields to irregular symmetric and asymmetric photon fields

    SciTech Connect (OSTI)

    Tahmasebi Birgani, Mohamad J.; Chegeni, Nahid; Zabihzadeh, Mansoor; Hamzian, Nima

    2014-04-01

    Equivalent field is frequently used for central axis depth-dose calculations of rectangular- and irregular-shaped photon beams. As most of the proposed models to calculate the equivalent square field are dosimetry based, a simple physical-based method to calculate the equivalent square field size was used as the basis of this study. The table of the sides of the equivalent square or rectangular fields was constructed and then compared with the well-known tables by BJR and Venselaar, et al. with the average relative error percentage of 2.5 ± 2.5% and 1.5 ± 1.5%, respectively. To evaluate the accuracy of this method, the percentage depth doses (PDDs) were measured for some special irregular symmetric and asymmetric treatment fields and their equivalent squares for Siemens Primus Plus linear accelerator for both energies, 6 and 18 MV. The mean relative differences of PDDs measurement for these fields and their equivalent square was approximately 1% or less. As a result, this method can be employed to calculate equivalent field not only for rectangular fields but also for any irregular symmetric or asymmetric field.

  9. Equivalent circuits for power system studies on the A-C network calculator 

    E-Print Network [OSTI]

    Kolb, Walter Jean

    1948-01-01

    EQUIVALENT CIRCUITS FOR POWER SYSTEM STUDIES ON THE A-C NETWORK CALCULATOR A Thesis By Walter Jean Kolb August 1948 Approved as to t e an content by Chairman oi omm tee EQUIVALENT CIRCUITS FOR POWER SYSTEM STUDIES ON TRE A-C NETWORK... CALCULATOR A Thesis By Walter Jean Kalb August 1948 EQUIVALENT CIRCUITS FOR POWER SYSTEM STUDIES ON TRE A-C NETWORK CALCULATOR A Thesis Submitted to the Faculty of the Agricultural and Mechanical College of Texas in Partial Fulfi. lment...

  10. Method for detecting water equivalent of snow using secondary cosmic gamma radiation

    DOE Patents [OSTI]

    Condreva, K.J.

    1997-01-14

    Water equivalent of accumulated snow determination by measurement of secondary background cosmic radiation attenuation by the snowpack. By measuring the attenuation of 3-10 MeV secondary gamma radiation it is possible to determine the water equivalent of snowpack. The apparatus is designed to operate remotely to determine the water equivalent of snow in areas which are difficult or hazardous to access during winter, accumulate the data as a function of time and transmit, by means of an associated telemetry system, the accumulated data back to a central data collection point for analysis. The electronic circuitry is designed so that a battery pack can be used to supply power. 4 figs.

  11. Method for detecting water equivalent of snow using secondary cosmic gamma radiation

    DOE Patents [OSTI]

    Condreva, Kenneth J. (1420 Fifth St., Livermore, Alameda County, CA 94550)

    1997-01-01

    Water equivalent of accumulated snow determination by measurement of secondary background cosmic radiation attenuation by the snowpack. By measuring the attentuation of 3-10 MeV secondary gamma radiation it is possible to determine the water equivalent of snowpack. The apparatus is designed to operate remotely to determine the water equivalent of snow in areas which are difficult or hazardous to access during winter, accumulate the data as a function of time and transmit, by means of an associated telemetry system, the accumulated data back to a central data collection point for analysis. The electronic circuitry is designed so that a battery pack can be used to supply power.

  12. ARTICLE IN PRESS 2 Factors affecting remotely sensed snow water equivalent uncertainty

    E-Print Network [OSTI]

    Walker, Jeff

    equivalent uncertainty 3 Jiarui Donga,b,*, Jeffrey P. Walkerc , Paul R. Houserd 4 a Hydrological Sciences 24 April 2005 9 10 Abstract 11 State-of-the-art passive microwave remote sensing-based snow water

  13. Department of Physics & Physical Oceanography Faculty Report on Credit-Hour Equivalent (CHE) Overload

    E-Print Network [OSTI]

    Olszewski Jr., Edward A.

    Department of Physics & Physical Oceanography Faculty Report on Credit-Hour Equivalent (CHE and Physical Oceanography can report activities beyond their normal teaching loads. This form will be used

  14. Testing the test: an examination of the Freshman English Equivalency Exam 

    E-Print Network [OSTI]

    Ashe, Diana Lynne

    1994-01-01

    This study evaluates the validity, reliability, fairness, and effects of the Freshman English Equivalency Exam at Texas A&M University after one year of use. Consistency of scores across test administrations, raters, and ...

  15. Experiment and simulation validated analytical equivalent circuit model for piezoelectric micromachined ultrasonic transducers

    E-Print Network [OSTI]

    Kim, Sang-Gook

    An analytical Mason equivalent circuit is derived for a circular, clamped plate piezoelectric micromachined ultrasonic transducer (pMUT) design in 31 mode, considering an arbitrary electrode configuration at any axisymmetric ...

  16. Vinylboranes as trans-dihydroxyethylene equivalents in Diels-Alder reactions 

    E-Print Network [OSTI]

    Redman, Aniko Maria

    1993-01-01

    Novel vinylborane-based trans-dihydroxyethylene equivalents were developed for the synthesis of trans-cyclohexenediol derivatives. The synthetic utility of the new dienophiles was demonstrated by their Diels-Alder reaction ...

  17. Simulation and Analysis of a Tissue Equivalent Proportional Counter Using the Monte Carlo Transport Code FLUKA 

    E-Print Network [OSTI]

    Northum, Jeremy Dell

    2011-08-08

    The purpose of this study was to determine how well the Monte Carlo transport code FLUKA can simulate a tissue-equivalent proportional counter (TEPC) and produce the expected delta ray events when exposed to high energy ...

  18. Equivalence of Conventionally-Derived and Parthenote-Derived Human Embryonic Stem Cells

    E-Print Network [OSTI]

    2011-01-01

    Equivalence of Conventionally-Derived andParthenote- Derived Human Embryonic Stem Cells Julie V.cell (hESC) lines can be derived via multiple means, it is

  19. On the (Non)Equivalence of the Schrödinger and Heisenberg Pictures of Quantum Mechanics

    E-Print Network [OSTI]

    Maurice A. de Gosson

    2014-04-27

    The aim of this short Note is to show that the Schr\\"odinger and Heisenberg pictures of quantum mechanics are not equivalent unless one uses a quantization rule clearly stated by Born and Jordan in their famous 1925 paper. This rule is sufficient and necessary to ensure energy conservation in Heisenberg's matrix mechanics. It follows, in particular, that Schr\\"odinger and Heisenberg mechanics are not equivalent if one quantizes observables using the Weyl prescription.

  20. Chromium-Catalyzed Homoaldol Equivalent Reaction, Indium-Mediated Cycloisomerization, and Palladium-Catalyzed Cross-Coupling Reaction 

    E-Print Network [OSTI]

    Kang, Jun

    2011-10-21

    to the cyclopropanolate. A regioselective catalytic homoaldol equivalent reaction of 3-bromo vinyl acetate with aldehydes under Cr(III)-Mn(0) redox condition was developed. This homoaldol equivalent reaction allows access to the 1,4-oxygenated compounds...

  1. Dual energy CT-based characterization of x-ray attenuation properties of breast equivalent material plates

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Dual energy CT-based characterization of x-ray attenuation properties of breast equivalent material of the same nominal breast density equivalence (+ 1.5 HU). In addition, dual energy CT provided mono equivalent material, breast density, attenuation properties, linear attenuation coefficients, dual energy CT

  2. Parameterized algorithms for quantitative differentials in spectrally equivalent medical diagnostic x-ray beams

    SciTech Connect (OSTI)

    Okunade, Akintunde Akangbe [Department of Physics, Obafemi Awolowo University, Ile-Ife, Osun State (Nigeria)

    2005-06-15

    Qualitative and quantitative equivalence of spectra transmitted by two different elemental filters require a good match in terms of shape and size over the entire energy range of 0-150 keV used in medical diagnostic radiology. However, the photoelectric absorptions and Compton scattering involved in the interaction of x rays with matter at these relatively low photon energies differ in a nonuniform manner with energy and atomic number. By careful choice of thicknesses for filter materials with an atomic number between 12 and 39, when compared with aluminum, it is possible to obtain transmitted beams of the same shape (quality) but not of the same size (quantity). In this paper, calculations have been carried out for the matching of the shapes and sizes of beams transmitted through specified thicknesses of aluminium filter and spectrally equivalent thicknesses of other filter materials (different from aluminium) using FORTRAN source codes traceable to the American Association of Physics in Medicine (AAPM), College Park, MD, USA. Parametrized algorithms for the evaluation of quantitative differentials (deficit or surplus) in radiation output (namely, photon fluence, exposure, kerma, energy imparted, absorbed dose, and effective dose) from these transmitted spectrally equivalent beams were developed. These differentials range between 1%, and 4% at 1 mm Al filtration and between 8%, and 25% for filtration of 6 mm Al for different filter materials in comparison with aluminum. Also developed were models for factors for converting measures of photon fluence, exposure-area product, (EAP), and kerma-area product (KAP) to risk related quantities such as energy imparted, absorbed dose, and effective dose from the spectrally equivalent beams. The thicknesses of other filter materials that are spectrally equivalent to given thicknesses of aluminum filter were characterized using polynomial functions. The fact that the use of equivalent spectra in radiological practice can provide means of ranking the differentials in radiographic image quality and stochastic risk is discussed.

  3. On the electromagnetic constitutive laws that are equivalent to spacetime metrics

    E-Print Network [OSTI]

    D. H. Delphenich

    2014-09-17

    The raising of both indices in the components of the Minkowski electromagnetic field strength 2-form to give the components of the electromagnetic excitation bivector field can be regarded as being equivalent to an electromagnetic constitutive law, as well as being defined by the components of the spacetime metric. This notion is clarified, and the nature of the equivalent dielectric tensors and magnetic permeability tensors that are defined by some common spacetime metrics is discussed. The relationship of the basic construction to effective metrics is discussed, and, in particular, the fact that this effective metric is more general than the Gordon metric.

  4. Small-Scale Experiments.10-gallon drum experiment summary | OSTI...

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

    and Technial Information About OSTI Mission Organization Chart Achievements Alliances OSTI History Feedback DOE STI Program Scientific and Technical Information Program...

  5. Energy Department Releases Updated eGallon Prices as Electric...

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

    growth than the early years of the hybrid vehicle market. Thirty months after the first hybrid was introduced, monthly sales figures were under 3,000. By comparison, PEVs - which...

  6. Blending of Radioactive Salt Solutions in Million Gallon Tanks - 13002

    SciTech Connect (OSTI)

    Leishear, Robert A.; Lee, Si Y.; Fowley, Mark D.; Poirier, Michael R. [Savannah River National Laboratory, Aiken. S.C., 29808 (United States)] [Savannah River National Laboratory, Aiken. S.C., 29808 (United States)

    2013-07-01

    Research was completed at Savannah River National Laboratory (SRNL) to investigate processes related to the blending of radioactive, liquid waste, salt solutions in 4920 cubic meter, 25.9 meter diameter storage tanks. One process was the blending of large salt solution batches (up to 1135 - 3028 cubic meters), using submerged centrifugal pumps. A second process was the disturbance of a settled layer of solids, or sludge, on the tank bottom. And a third investigated process was the settling rate of sludge solids if suspended into slurries by the blending pump. To investigate these processes, experiments, CFD models (computational fluid dynamics), and theory were applied. Experiments were performed using simulated, non-radioactive, salt solutions referred to as supernates, and a layer of settled solids referred to as sludge. Blending experiments were performed in a 2.44 meter diameter pilot scale tank, and flow rate measurements and settling tests were performed at both pilot scale and full scale. A summary of the research is presented here to demonstrate the adage that, 'One good experiment fixes a lot of good theory'. Experimental testing was required to benchmark CFD models, or the models would have been incorrectly used. In fact, CFD safety factors were established by this research to predict full-scale blending performance. CFD models were used to determine pump design requirements, predict blending times, and cut costs several million dollars by reducing the number of required blending pumps. This research contributed to DOE missions to permanently close the remaining 47 of 51 SRS waste storage tanks. (authors)

  7. Blending Of Radioactive Salt Solutions In Million Gallon Tanks

    SciTech Connect (OSTI)

    Leishear, Robert A.; Lee, Si Y.; Fowley, Mark D.; Poirier, Michael R.

    2012-12-10

    Research was completed at Savannah River National Laboratory (SRNL) to investigate processes related to the blending of radioactive, liquid waste, salt solutions in 4920 cubic meter, 25.9 meter diameter storage tanks. One process was the blending of large salt solution batches (up to 1135 ? 3028 cubic meters), using submerged centrifugal pumps. A second process was the disturbance of a settled layer of solids, or sludge, on the tank bottom. And a third investigated process was the settling rate of sludge solids if suspended into slurries by the blending pump. To investigate these processes, experiments, CFD models (computational fluid dynamics), and theory were applied. Experiments were performed using simulated, non-radioactive, salt solutions referred to as supernates, and a layer of settled solids referred to as sludge. Blending experiments were performed in a 2.44 meter diameter pilot scale tank, and flow rate measurements and settling tests were performed at both pilot scale and full scale. A summary of the research is presented here to demonstrate the adage that, ?One good experiment fixes a lot of good theory?. Experimental testing was required to benchmark CFD models, or the models would have been incorrectly used. In fact, CFD safety factors were established by this research to predict full-scale blending performance. CFD models were used to determine pump design requirements, predict blending times, and cut costs several million dollars by reducing the number of required blending pumps. This research contributed to DOE missions to permanently close the remaining 47 of 51 SRS waste storage tanks.

  8. Energy Department Releases Updated eGallon Prices as Electric...

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

    market continues to grow, electric vehicles will play a key role in our effort to reduce air pollution and slow the effects of climate change." Plug-In Electric Vehicle Sales...

  9. DOE Moab Site Cost-Effectively Eliminates 200 Million Gallons...

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

    feet thick and covering 130 acres. Excess water from the pile drained into underlying soils, contaminating the ground water. Elevated concentrations of ammonia can affect...

  10. Modeling proton intensity gradients and radiation dose equivalents in the inner

    E-Print Network [OSTI]

    Pringle, James "Jamie"

    Modeling proton intensity gradients and radiation dose equivalents in the inner heliosphere using exposure in IP space. In this paper, we utilize EMMREM to study the radial dependence of proton peak crossfield diffusion at large radial distances. Our results show that radial dependencies of proton peak

  11. Quasi-equivalence in Site-specific Recombinase Structure and Function: Crystal Structure and Activity

    E-Print Network [OSTI]

    Baldwin, Enoch

    Quasi-equivalence in Site-specific Recombinase Structure and Function: Crystal Structure of California, Davis 1 Shields Ave, Davis CA 95616, USA The crystal structure of a novel Cre-Lox synapse features between the differently branched substrates and plasticity of the protein-protein interfaces

  12. Canister storage building compliance assessment SNF project NRC equivalency criteria - HNF-SD-SNF-DB-003

    SciTech Connect (OSTI)

    BLACK, D.M.

    1999-08-11

    This document presents the Project's position on compliance with the SNF Project NRC Equivalency Criteria--HNF-SD-SNF-DE-003, Spent Nuclear Fuel Project Path Forward Additional NRC Requirements. No non-compliances are shown The compliance statements have been reviewed and approved by DOE. Open items are scheduled to be closed prior to project completion.

  13. Discussion about Noise Equivalent Power and its use for photon noise calculation.

    E-Print Network [OSTI]

    Leclercq, Samuel

    . 2007-03-02. Abstract. The Noise Equivalent Power (NEP) is a concept often used to quantify processes, I show the link between the different definitions of the NEP. In the third part, starting from the fundamental properties of boson I calculate the most general expression for the photon NEP, allowing to link

  14. Equivalent isotropic scattering formulation for transient short-pulse radiative transfer in anisotropic

    E-Print Network [OSTI]

    Guo, Zhixiong "James"

    Equivalent isotropic scattering formulation for transient short-pulse radiative transfer of the transient short-pulse radiation transport through forward and backward anisotropic scattering planar media applications to such systems as industrial furnaces, combustion cham- bers, fibrous and porous insulations

  15. CREATING DYNAMIC EQUIVALENT PV CIRCUIT MODELS WITH IMPEDANCE SPECTROSCOPY FOR ARC FAULT MODELING

    E-Print Network [OSTI]

    CREATING DYNAMIC EQUIVALENT PV CIRCUIT MODELS WITH IMPEDANCE SPECTROSCOPY FOR ARC FAULT MODELING ® (NEC® ) requires new photovoltaic (PV) systems on or penetrating a building to include a listed arc of the arcing frequencies through PV components despite the potential for modules and other PV components

  16. Structural Equivalence Between Co-occurrences of Characters and Words in the Chinese Language

    E-Print Network [OSTI]

    Tse, Chi K. "Michael"

    Structural Equivalence Between Co-occurrences of Characters and Words in the Chinese Language are constructed for studying the co-occurrence of characters and words in the Chinese language. Two types of networks are investigated. In the first type, nodes correspond to Chinese characters, and in the second

  17. Remarks on the equivalence of full additivity and monotonicity for the entanglement cost

    E-Print Network [OSTI]

    Fernando G. S. L. Brandao; Michal Horodecki; Martin B. Plenio; Shashank Virmani

    2013-08-27

    We analyse the relationship between the full additivity of the entanglement cost and its full monotonicity under local operations and classical communication. We show that the two properties are equivalent for the entanglement cost. The proof works for the regularization of any convex, subadditive, and asymptotically continuous entanglement monotone, and hence also applies to the asymptotic relative entropy of entanglement.

  18. Social Certainty Equivalence in Mean Field LQG Control: Social, Nash and Centralized Strategies

    E-Print Network [OSTI]

    Huang, Minyi

    social impact on all other agents. We also discuss the relationship between the socially optimal solutionSocial Certainty Equivalence in Mean Field LQG Control: Social, Nash and Centralized Strategies Minyi Huang Peter E. Caines Roland P. Malham´e Abstract-- We study social decision problems and Nash

  19. Creating dynamic equivalent PV circuit models with impedance spectroscopy for arc-fault modeling.

    SciTech Connect (OSTI)

    Johnson, Jay Dean; Kuszmaul, Scott S.; Strauch, Jason E.; Schoenwald, David Alan

    2011-06-01

    Article 690.11 in the 2011 National Electrical Code{reg_sign} (NEC{reg_sign}) requires new photovoltaic (PV) systems on or penetrating a building to include a listed arc fault protection device. Currently there is little experimental or empirical research into the behavior of the arcing frequencies through PV components despite the potential for modules and other PV components to filter or attenuate arcing signatures that could render the arc detector ineffective. To model AC arcing signal propagation along PV strings, the well-studied DC diode models were found to inadequately capture the behavior of high frequency arcing signals. Instead dynamic equivalent circuit models of PV modules were required to describe the impedance for alternating currents in modules. The nonlinearities present in PV cells resulting from irradiance, temperature, frequency, and bias voltage variations make modeling these systems challenging. Linearized dynamic equivalent circuits were created for multiple PV module manufacturers and module technologies. The equivalent resistances and capacitances for the modules were determined using impedance spectroscopy with no bias voltage and no irradiance. The equivalent circuit model was employed to evaluate modules having irradiance conditions that could not be measured directly with the instrumentation. Although there was a wide range of circuit component values, the complex impedance model does not predict filtering of arc fault frequencies in PV strings for any irradiance level. Experimental results with no irradiance agree with the model and show nearly no attenuation for 1 Hz to 100 kHz input frequencies.

  20. A NOTE ON FRONT TRACKING AND THE EQUIVALENCE BETWEEN VISCOSITY SOLUTIONS OF HAMILTON-JACOBI EQUATIONS

    E-Print Network [OSTI]

    A NOTE ON FRONT TRACKING AND THE EQUIVALENCE BETWEEN VISCOSITY SOLUTIONS OF HAMILTON-JACOBI solution of the Hamilton-Jacobi equation u t + H(ux ) = 0. In our proof we work directly with the de#12 conservation laws to Hamilton-Jacobi equations and derive some of its properties. 1. Introduction It is well

  1. Sex-specific tissue weighting factors for effective dose equivalent calculations

    SciTech Connect (OSTI)

    Xu, X.G. [Rensselaer Polytechnic Inst., Troy, NY (United States); Reece, W.D. [Texas A& M Univ., College Station, TX (United States)

    1996-01-01

    The effective dose equivalent was defined in the International Commission on Radiological Protection Publication 26 in 1977 and later adopted by the U.S. Nuclear REgulatory Commission. To calculate organ doses and effective dose equivalent for external exposures using Monte Carlo simulations, sex-specific anthropomorphic phantoms and sex-specific weighting factors are always employed. This paper presents detailed mathematical derivation of a set of sex-specific tissue weighting factors and the conditions which the weighting factors must satisfy. Results of effective dose equivalent calculations using female and male phantoms exposed to monoenergetic photon beams of 0.08, 0.3, and 1.0 MeV are provided and compared with results published by other authors using different sex-specific weighting factors and phantoms. The results indicate that females always receive higher effective dose equivalent than males for the photon energies and geometries considered and that some published data may be wrong due to mistakes in deriving the sex-specific weighting factors. 17 refs., 2 figs., 2 tabs.

  2. Creep Prediction Using The Non-Linear Strain Energy Equivalence Theory

    E-Print Network [OSTI]

    is sustained over a time interval, ti, to the creep strain obtained during a creep test, c . The average stress, , sustained during the stress-strain test is equal to the creep stress, c . ( ) == t t o c dt dtt 0 [1Creep Prediction Using The Non-Linear Strain Energy Equivalence Theory Jennifer K. Lynch, Ph

  3. Derived equivalence classi cation of weakly symmetric algebras of Euclidean type

    E-Print Network [OSTI]

    Holm, Thorsten

    is isomorphic to its top P= rad P . The classical examples of sel#12;njective algebras (respectively, symmetricDerived equivalence classi#12;cation of weakly symmetric algebras of Euclidean type Rafa l Bocian Copernicus University, Chopina 12/18, 87-100 Toru#19;n, Poland b Institut fur Algebra und Geometrie, Fakult

  4. IEEETJMNSACTIONSONAUTOMATICCONTROL,VOL. 34, NO. 3, MARCH 1989 367 CERTAINTY EQUIVALENCE POLE-ASSIGNMENT

    E-Print Network [OSTI]

    Moore, John Barratt

    IEEETJMNSACTIONSONAUTOMATICCONTROL,VOL. 34, NO. 3, MARCH 1989 367 CERTAINTY EQUIVALENCE POLE-ASSIGNMENT :; ~ :.. . .. . .. . . . . .. . . . . . . . . . . . . . . . . . . . . .. . .. . . .. .. . . . . a u 0 m w 0, WI :? y o A ..0 10 .20 30 40 50 TIME (a) CAUTIOUS POLE-ASSIGNMENT t I v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 20 30 40 50 TIME (b) CENTRAL TENOENCY POLE-ASSIGNMENT o t . m : u !. No g

  5. Interaction Interfaces of Protein Domains Are Not Topologically Equivalent Across Families Within

    E-Print Network [OSTI]

    Srinivasan, N.

    Interaction Interfaces of Protein Domains Are Not Topologically Equivalent Across Families Within interfaces on the tertiary folds between members of distantly related protein domain superfamilies. The data chain and those between two polypeptide chains. We observe that, in general, the interfaces between

  6. Effects of fuel type and equivalence ratios on the flickering of triple flames

    SciTech Connect (OSTI)

    Sahu, K.B.; Kundu, A.; Ganguly, R.; Datta, A.

    2009-02-15

    An experimental study has been conducted in axisymmetric, co-flowing triple flames with different equivalence ratios of the inner and outer reactant streams (2<{phi}{sub in}<3 and 0{<=}{phi}{sub out}<0.7). Different fuel combinations, like propane/propane, propane/methane or methane/methane in the inner and outer streams respectively, have been used in the experiments. The structures of the triple flames have been compared for the different fuel combinations and equivalence ratios. The conditions under which triple flames exhibit oscillation have been identified. During the oscillation, the non-premixed flame and the outer lean premixed flame flicker strongly, while the inner rich premixed flame remains more or less stable. The flickering frequency has been evaluated through image processing and fast Fourier transform (FFT) of the average pixel intensity of the image frames. It is observed that, for all the fuel combinations, the frequency decreases with the increase in the outer equivalence ratio, while it is relatively invariant with the change in the inner equivalence ratio. However, an increase in the inner equivalence ratio affects the structure of the flame by increasing the heights of the inner premixed flame and non-premixed flame and also enlarges the yellow soot-laden zone at the tip of the inner flame. A scaling analysis of the oscillating flames has been performed based on the measured parameters, which show a variation of Strouhal number (St) with Richardson number (Ri) as St {proportional_to} Ri{sup 0.5}. The fuel type is found to have no influence on this correlation. (author)

  7. The Equivalent Thermal Resistance of Tile Roofs with and without Batten Systems

    SciTech Connect (OSTI)

    Miller, William A [ORNL] [ORNL

    2013-01-01

    Clay and concrete tile roofs were installed on a fully instrumented attic test facility operating in East Tennessee s climate. Roof, attic and deck temperatures and heat flows were recorded for each of the tile roofs and also on an adjacent attic cavity covered with a conventionally pigmented and direct-nailed asphalt shingle roof. The data were used to benchmark a computer tool for simulation of roofs and attics and the tool used to develop an approach for computing an equivalent seasonal R-value for sub-tile venting. The approach computed equal heat fluxes through the ceilings of roofs having different combinations of surface radiation properties and or building constructions. A direct nailed shingle roof served as a control for estimating the equivalent thermal resistance of the air space. Simulations were benchmarked to data in the ASHRAE Fundamentals for the thermal resistance of inclined and closed air spaces.

  8. Atomic Faraday filter with equivalent noise bandwidth less than 1 GHz

    E-Print Network [OSTI]

    Zentile, Mark A; Keaveney, James; Adams, Charles S; Hughes, Ifan G

    2015-01-01

    We demonstrate an atomic bandpass optical filter with an equivalent noise bandwidth less than 1 GHz using the D$_1$ line in a cesium vapor. We use the ElecSus computer program to find optimal experimental parameters, and find that for important quantities the cesium D$_1$ line clearly outperforms other alkali metals on either D-lines. The filter simultaneously achieves a peak transmission of 77%, a passband of 310 MHz and an equivalent noise bandwidth of 0.96 GHz, for a magnetic field of 45.3 gauss and a temperature of 68.0$\\,^\\circ$C. Experimentally, the prediction from the model is verified. The experiment and theoretical predictions show excellent agreement.

  9. Lyapunov spectra and nonequilibrium ensembles equivalence in 2D fluid mechanics

    E-Print Network [OSTI]

    Giovanni Gallavotti; Lamberto Rondoni; Enrico Segre

    2002-09-19

    We perform numerical experiments to study the Lyapunov spectra of dynamical systems associated with the Navier--Stokes (NS) equation in two spatial dimensions truncated over the Fourier basis. Recently new equations, called GNS equations, have been introduced and conjectured to be equivalent to the NS equations at large Reynolds numbers. The Lyapunov spectra of the NS and of the corresponding GNS systems overlap, adding evidence in favor of the conjectured equivalence already studied and partially extended in previous papers. We make use of the Lyapunov spectra to study a fluctuation relation which had been proposed to extend the ``fluctuation theorem'' to strongly dissipative systems. Preliminary results towards the formulation of a local version of the fluctuation formula are also presented.

  10. Equivalent Plastic Strain Gradient Plasticity with Grain Boundary Hardening and Comparison to Discrete Dislocation Dynamics

    E-Print Network [OSTI]

    Bayerschen, E; Wulfinghoff, S; Weygand, D; Böhlke, T

    2015-01-01

    The gradient crystal plasticity framework of Wulfinghoff et al. [53] incorporating an equivalent plastic strain and grain boundary yielding, is extended with additional grain boundary hardening. By comparison to averaged results from many discrete dislocation dynamics (DDD) simulations of an aluminum type tricrystal under tensile loading, the new hardening parameter in the continuum model is calibrated. It is shown that although the grain boundaries (GBs) in the discrete simulations are impenetrable, an infinite GB yield strength corresponding to microhard GB conditions, is not applicable in the continuum model. A combination of a finite GB yield strength with an isotropic bulk Voce hardening relation alone also fails to model the plastic strain profiles obtained by DDD. Instead, a finite GB yield strength in combination with GB hardening depending on the equivalent plastic strain at the GBs is shown to give a better agreement to DDD results. The differences in the plastic strain profiles obtained in DDD simu...

  11. Equivalence between new and old forms for 2 + cos (cos h/)/] / R2

    E-Print Network [OSTI]

    Equivalence between new and old forms for 2 h 2 h = [2 h/2 + cos (cos h/)/] / R2 cos2 = = [2 h/2 + cos (cos 2 h/2 - sin h/)] / R2 cos2 = = [2 h/2 / cos2 + 2 h/2 - sin h/ / cos] / R2 = X / = W·P×U / cos = - sin / cos cos / = W·P×V / cos = cos / cos cos / = N·P×U = - cos sin / cos / = N·P×V = - sin

  12. Ambient Dose Equivalent measured at the Instituto Nacional de Cancerologia Department of Nuclear Medicine

    SciTech Connect (OSTI)

    Avila, O. [Instituto Nacional de Investigaciones Nucleares, AP 18-1027, 11801, DF (Mexico); Torres-Ulloa, C. L. [Instituto Nacional de Investigaciones Nucleares, AP 18-1027, 11801, DF (Mexico); Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, AP 70-542, 04510, DF (Mexico); Medina, L. A. [Instituto de Fisica, Universidad Nacional Autonoma de Mexico, AP 20-364, 01000, DF (Mexico); Unidad de Investigacion Biomedica en Cancer INCan-UNAM, Av. San Fernando 22 C.P. 14080 (Mexico); Trujillo-Zamudio, F. E. [Instituto Nacional de Cancerologia (INCan), Av. San Fernando 22, C.P. 14080 (Mexico); Gamboa de Buen, I. [Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, AP 70-543, 04510 DF (Mexico); Buenfil, A. E.; Brandan, M. E. [Instituto de Fisica, Universidad Nacional Autonoma de Mexico, AP 20-364, 01000, DF (Mexico)

    2010-12-07

    Ambient dose equivalent values were determined in several sites at the Instituto Nacional de Cancerologia, Departmento de Medicina Nuclear, using TLD-100 and TLD-900 thermoluminescent dosemeters. Additionally, ambient dose equivalent was measured at a corridor outside the hospitalization room for patients treated with {sup 137}Cs brachytherapy. Dosemeter calibration was performed at the Instituto Nacional de Investigaciones Nucleares, Laboratorio de Metrologia, to known {sup 137}Cs gamma radiation air kerma. Radionuclides considered for this study are {sup 131}I, {sup 18}F, {sup 67}Ga, {sup 99m}Tc, {sup 111}In, {sup 201}Tl and {sup 137}Cs, with main gamma energies between 93 and 662 keV. Dosemeters were placed during a five month period in the nuclear medicine rooms (containing gamma-cameras), injection corridor, patient waiting areas, PET/CT study room, hot lab, waste storage room and corridors next to the hospitalization rooms for patients treated with {sup 131}I and {sup 137}Cs. High dose values were found at the waste storage room, outside corridor of {sup 137}Cs brachytherapy patients and PET/CT area. Ambient dose equivalent rate obtained for the {sup 137}Cs brachytherapy corridor is equal to (18.51{+-}0.02)x10{sup -3} mSv/h. Sites with minimum doses are the gamma camera rooms, having ambient dose equivalent rates equal to (0.05{+-}0.03)x10{sup -3} mSv/h. Recommendations have been given to the Department authorities so that further actions are taken to reduce doses at high dose sites in order to comply with the ALARA principle (as low as reasonably achievable).

  13. Enhanced effects of the Lorentz invariance and Einstein equivalence principle violation in 229Th nuclear transition

    E-Print Network [OSTI]

    Flambaum, V V

    2015-01-01

    The Lorentz invariance and Einstein equivalence principle violating effects in the narrow 7.8 eV transition in 229Th nucleus may be 100 000 times larger than in atoms. This transition may be investigated using high precision laser spectroscopy methods, has a very small width, and suppressed systematic effects. Similar values of the effects are expected in 73 eV 235U nuclear transition which is coming within the reach of the laser spectroscopy. Mossbauer transitions give another possibility.

  14. Enhancing the estimation of continental-scale snow water equivalent by assimilating MODIS snow cover with the ensemble Kalman filter

    E-Print Network [OSTI]

    Yang, Zong-Liang

    Enhancing the estimation of continental-scale snow water equivalent by assimilating MODIS snow cover with the ensemble Kalman filter Hua Su,1 Zong-Liang Yang,1 Guo-Yue Niu,1 and Robert E. Dickinson2-quality continental-scale snow water equivalent (SWE) data sets are generally not available, although

  15. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, VOL. 38, NO. 6, NOVEMBER 2000 2475 Estimation of Snow Water Equivalence Using

    E-Print Network [OSTI]

    Dozier, Jeff

    of Snow Water Equivalence Using SIR-C/X-SAR, Part II: Inferring Snow Depth and Particle Size Jiancheng Shi and Jeff Dozier Abstract--The relationship between snow water equivalence (SWE) and SAR backscattering of the relationship with an empirical approach is unrealistic. Instead, we estimate snow depth and particle size using

  16. FROM THE TREE TO THE FOREST: THE INFLUENCE OF A SPARSE CANOPY ON STAND SCALE SNOW WATER EQUIVALENT

    E-Print Network [OSTI]

    Anderson, Charles W.

    FROM THE TREE TO THE FOREST: THE INFLUENCE OF A SPARSE CANOPY ON STAND SCALE SNOW WATER EQUIVALENT SCALE SNOW WATER EQUIVALENT The canopy of an individual tree has a negative effect on the accumulation of snow around tree boles, resulting in a decrease in snow depth inward from the edge of the canopy

  17. Snow water equivalent along elevation gradients in the Merced and Tuolumne River basins of the Sierra Nevada

    E-Print Network [OSTI]

    Dozier, Jeff

    Snow water equivalent along elevation gradients in the Merced and Tuolumne River basins fractional snow-covered area (SCA) at 500 m resolution to estimate snow water equivalent (SWE) across) blending the fractional SCA with SWE interpolated from snow-pillow measurements; and (2) retrospectively

  18. 2012 Damon A. Miller Page 1 of 4 4: Transfer Functions, Parameters, and Equivalent Circuits of Linear

    E-Print Network [OSTI]

    Miller, Damon A.

    . To experimentally measure and use an equivalent circuit representation for circuit analysis. 8. To improve circuit of Figure 1 to represent the small signal operation (i.e. in the LINEAR region) of the amplifier© 2012 Damon A. Miller Page 1 of 4 4: Transfer Functions, Parameters, and Equivalent Circuits

  19. Equivalence of Glass Transition and Colloidal Glass Transition in the Hard-Sphere Limit Thomas K. Haxton,2

    E-Print Network [OSTI]

    Weeks, Eric R.

    Equivalence of Glass Transition and Colloidal Glass Transition in the Hard-Sphere Limit Ning Xu,1 that the slowing of the dynamics in simulations of several model glass-forming liquids is equivalent to the hard-sphere glass transition in the low-pressure limit. In this limit, we find universal behavior of the relaxation

  20. Electromagnetic wave propagation in an active medium and the equivalent Schrdinger equation with an energy-dependent complex potential

    E-Print Network [OSTI]

    Electromagnetic wave propagation in an active medium and the equivalent Schrödinger equation with an energy-dependent complex potential H. Bahlouli,* A. D. Alhaidari, and A. Al Zahrani Physics Department to provide an alternative, but equivalent, representation of plane electromagnetic em wave propagation

  1. Electrical characterization and an equivalent circuit model of a microhollow cathode discharge reactor

    SciTech Connect (OSTI)

    Taylan, O.; Berberoglu, H., E-mail: berberoglu@mail.utexas.edu [Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas 78712 (United States)

    2014-07-28

    This paper reports the electrical characterization and an equivalent circuit of a microhollow cathode discharge (MHCD) reactor in the self-pulsing regime. A MHCD reactor was prototyped for air plasma generation, and its current-voltage characteristics were measured experimentally in the self-pulsing regime for applied voltages from 2000 to 3000?V. The reactor was modeled as a capacitor in parallel with a variable resistor. A stray capacitance was also introduced to the circuit model to represent the capacitance of the circuit elements in the experimental setup. The values of the resistor and capacitors were recovered from experimental data, and the proposed circuit model was validated with independent experiments. Experimental data showed that increasing the applied voltage increased the current, self-pulsing frequency and average power consumption of the reactor, while it decreased the peak voltage. The maximum and the minimum voltages obtained using the model were in agreement with the experimental data within 2.5%, whereas the differences between peak current values were less than 1%. At all applied voltages, the equivalent circuit model was able to accurately represent the peak and average power consumption as well as the self-pulsing frequency within the experimental uncertainty. Although the results shown in this paper was for atmospheric air pressures, the proposed equivalent circuit model of the MHCD reactor could be generalized for other gases at different pressures.

  2. Flame Inhibition by Phosphorus-Containing Compounds over a Range of Equivalence Ratios

    SciTech Connect (OSTI)

    Jayaweera, T M; Melius, C F; Pitz, W J; Westbrook, C K; Korobeinichev, O P; Shvartsberg, V M; Shmakov, A G; Rybitskaya, I V; Curran, H

    2004-03-17

    There is much interest in the combustion mechanism of organophosphorus compounds (OPCs) due to their role as potential halon replacements in fire suppression. A continuing investigation of the inhibition activity of organophosphorus compounds under a range of equivalence ratios was performed experimentally and computationally, as measured by the burning velocity. Updates to a previous mechanism were made by the addition and modification of reactions in the mechanism for a more complete description of the recombination reactions. In this work, the laminar flame speed is measured experimentally and calculated numerically for a premixed propane/air flame, under a range of equivalence ratios, undoped and doped with dimethyl methylphosphonate (DMMP). A detailed investigation of the catalytic cycles involved in the recombination of key flame radicals is made for two equivalence ratios, lean and rich. From this, the importance of different catalytic cycles involved in the lean versus rich case is discussed. Although the importance of certain cycles is different under different stoichiometries, the OPCs are similarly effective across the range, demonstrating the robustness of OPCs as flame suppressants. In addition, it is shown that the phosphorus compounds are most active in the high temperature region of the flame. This may, in part, explain their high level of inhibition effectiveness.

  3. Solar system and equivalence principle constraints on f(R) gravity by chameleon approach

    E-Print Network [OSTI]

    Salvatore Capozziello; Shinji Tsujikawa

    2008-03-30

    We study constraints on f(R) dark energy models from solar system experiments combined with experiments on the violation of equivalence principle. When the mass of an equivalent scalar field degree of freedom is heavy in a region with high density, a spherically symmetric body has a thin-shell so that an effective coupling of the fifth force is suppressed through a chameleon mechanism. We place experimental bounds on the cosmologically viable models recently proposed in literature which have an asymptotic form f(R)=R-lambda R_c [1-(R_c/R)^{2n}] in the regime R >> R_c. From the solar-system constraints on the post-Newtonian parameter gamma, we derive the bound n>0.5, whereas the constraints from the violations of weak and strong equivalence principles give the bound n>0.9. This allows a possibility to find the deviation from the LambdaCDM cosmological model. For the model f(R)=R-lambda R_c(R/R_c)^p with 0

  4. Combinatorial theory of the semiclassical evaluation of transport moments. I. Equivalence with the random matrix approach

    SciTech Connect (OSTI)

    Berkolaiko, G.; Kuipers, J.

    2013-11-15

    To study electronic transport through chaotic quantum dots, there are two main theoretical approaches. One involves substituting the quantum system with a random scattering matrix and performing appropriate ensemble averaging. The other treats the transport in the semiclassical approximation and studies correlations among sets of classical trajectories. There are established evaluation procedures within the semiclassical evaluation that, for several linear and nonlinear transport moments to which they were applied, have always resulted in the agreement with random matrix predictions. We prove that this agreement is universal: any semiclassical evaluation within the accepted procedures is equivalent to the evaluation within random matrix theory. The equivalence is shown by developing a combinatorial interpretation of the trajectory sets as ribbon graphs (maps) with certain properties and exhibiting systematic cancellations among their contributions. Remaining trajectory sets can be identified with primitive (palindromic) factorisations whose number gives the coefficients in the corresponding expansion of the moments of random matrices. The equivalence is proved for systems with and without time reversal symmetry.

  5. Formulating a simplified equivalent representation of distribution circuits for PV impact studies.

    SciTech Connect (OSTI)

    Reno, Matthew J.; Broderick, Robert Joseph; Grijalva, Santiago

    2013-04-01

    With an increasing number of Distributed Generation (DG) being connected on the distribution system, a method for simplifying the complexity of the distribution system to an equivalent representation of the feeder is advantageous for streamlining the interconnection study process. The general characteristics of the system can be retained while reducing the modeling effort required. This report presents a method of simplifying feeders to only specified buses-of-interest. These buses-of-interest can be potential PV interconnection locations or buses where engineers want to verify a certain power quality. The equations and methodology are presented with mathematical proofs of the equivalence of the circuit reduction method. An example 15-bus feeder is shown with the parameters and intermediate example reduction steps to simplify the circuit to 4 buses. The reduced feeder is simulated using PowerWorld Simulator to validate that those buses operate with the same characteristics as the original circuit. Validation of the method is also performed for snapshot and time-series simulations with variable load and solar energy output data to validate the equivalent performance of the reduced circuit with the interconnection of PV.

  6. Measurements of neutron dose equivalent for a proton therapy center using uniform scanning proton beams

    SciTech Connect (OSTI)

    Zheng Yuanshui; Liu Yaxi; Zeidan, Omar; Schreuder, Andries Niek; Keole, Sameer [ProCure Proton Therapy Center, 5901 West Memorial Road, Oklahoma City, Oklahoma 73142 (United States); INTEGRIS Cancer Insititute, 5911 West Memorial Road, Oklahoma City, Oklahoma 73142 (United States); ProCure Proton Therapy Center, 5901 West Memorial Road, Oklahoma City, Oklahoma 73142 (United States); ProCure Treatment Centers, 420 North Walnut Street, Bloomington, Indiana 47404 (United States); ProCure Proton Therapy Center, 5901 West Memorial Road, Oklahoma City, Oklahoma 73142 (United States)

    2012-06-15

    Purpose: Neutron exposure is of concern in proton therapy, and varies with beam delivery technique, nozzle design, and treatment conditions. Uniform scanning is an emerging treatment technique in proton therapy, but neutron exposure for this technique has not been fully studied. The purpose of this study is to investigate the neutron dose equivalent per therapeutic dose, H/D, under various treatment conditions for uniform scanning beams employed at our proton therapy center. Methods: Using a wide energy neutron dose equivalent detector (SWENDI-II, ThermoScientific, MA), the authors measured H/D at 50 cm lateral to the isocenter as a function of proton range, modulation width, beam scanning area, collimated field size, and snout position. They also studied the influence of other factors on neutron dose equivalent, such as aperture material, the presence of a compensator, and measurement locations. They measured H/D for various treatment sites using patient-specific treatment parameters. Finally, they compared H/D values for various beam delivery techniques at various facilities under similar conditions. Results: H/D increased rapidly with proton range and modulation width, varying from about 0.2 mSv/Gy for a 5 cm range and 2 cm modulation width beam to 2.7 mSv/Gy for a 30 cm range and 30 cm modulation width beam when 18 Multiplication-Sign 18 cm{sup 2} uniform scanning beams were used. H/D increased linearly with the beam scanning area, and decreased slowly with aperture size and snout retraction. The presence of a compensator reduced the H/D slightly compared with that without a compensator present. Aperture material and compensator material also have an influence on neutron dose equivalent, but the influence is relatively small. H/D varied from about 0.5 mSv/Gy for a brain tumor treatment to about 3.5 mSv/Gy for a pelvic case. Conclusions: This study presents H/D as a function of various treatment parameters for uniform scanning proton beams. For similar treatment conditions, the H/D value per uncollimated beam size for uniform scanning beams was slightly lower than that from a passive scattering beam and higher than that from a pencil beam scanning beam, within a factor of 2. Minimizing beam scanning area could effectively reduce neutron dose equivalent for uniform scanning beams, down to the level close to pencil beam scanning.

  7. XRD, lead equivalent and UV-VIS properties study of Ce and Pr lead silicate glasses

    SciTech Connect (OSTI)

    Alias, Nor Hayati, E-mail: norhayati@nuclearmalaysia.gov.my; Abdullah, Wan Shafie Wan, E-mail: norhayati@nuclearmalaysia.gov.my; Isa, Norriza Mohd, E-mail: norhayati@nuclearmalaysia.gov.my; Isa, Muhammad Jamal Md, E-mail: norhayati@nuclearmalaysia.gov.my; Zali, Nurazila Mat; Abdullah, Nuhaslinda Ee [Malaysian Nuclear Agency, 43000, Bangi, Kajang, Selangor (Malaysia); Muhammad, Azali [Malaysian Society for Non-Destructive Testing (Malaysia)

    2014-02-12

    In this work, Cerium (Ce) and Praseodymium (Pr) containing lead silicate glasses were produced with 2 different molar ratios low (0.2 wt%) and high (0.4wt%). These types of glasses can satisfy the characteristics required for radiation shielding glasses and minimize the lead composition in glass. The radiation shielding properties of the synthesized glasses is explained in the form of lead equivalent study. The XRD diffraction and UV-VIS analysis were performed to observe the structural changes of the synthesis glasses at 1.5 Gy gamma radiation exposures.

  8. A Lorentz-Poincaré type interpretation of the Weak Equivalence Principle

    E-Print Network [OSTI]

    Jan; Broekaert

    2007-03-22

    The validity of the Weak Equivalence Principle relative to a local inertial frame is detailed in a scalar-vector gravitation model with Lorentz-Poincar\\'e type interpretation. Given the previously established first Post-Newtonian concordance of dynamics with General Relativity, the principle is to this order compatible with GRT. The gravitationally modified Lorentz transformations, on which the observations in physical coordinates depend, are shown to provide a physical interpretation of \\emph{parallel transport}. A development of ``geodesic'' deviation in terms of the present model is given as well.

  9. Noise Equivalent Counts Based Emission Image Reconstruction Algorithm of Tomographic Gamma Scanning

    E-Print Network [OSTI]

    Wang, Ke; Feng, Wei; Han, Dong

    2014-01-01

    Tomographic Gamma Scanning (TGS) is a technique used to assay the nuclide distribution and radioactivity in nuclear waste drums. Both transmission and emission scans are performed in TGS and the transmission image is used for the attenuation correction in emission reconstructions. The error of the transmission image, which is not considered by the existing reconstruction algorithms, negatively affects the final results. An emission reconstruction method based on Noise Equivalent Counts (NEC) is presented. Noises from the attenuation image are concentrated to the projection data to apply the NEC Maximum-Likelihood Expectation-Maximization algorithm. Experiments are performed to verify the effectiveness of the proposed method.

  10. A critical study of the equivalent circuits of three and four-winding transformers 

    E-Print Network [OSTI]

    Whitson, Donald Ray

    1951-01-01

    each of the three equations i'rom the preceding one and simplifying, a set oi' three voltage dii'ference equations are derived. These equations are: VI - V2 Zlll ? Z2I2 V2 ? V3 Z2I2 Z3I3 V3 - VI Z3I3 - Z] II The efi'ective impedances Zl, Z2.... 0871 + ]0. 0720 From the above impedances the impedance to be assigned to each wind- ing in the equivalent circuit (see figure 2-A) was calculated. The im- pedances in ohms are: Zi ~ 0. 0292 + )0. 0582 Z2 0. 0555 - )O. Olla Z3 ~ 0. 0577 + ]0...

  11. SU-E-T-329: Tissue-Equivalent Phantom Materials for Neutron Dosimetry in Proton Therapy

    SciTech Connect (OSTI)

    Halg, R; Lomax, A; Clarke, S; Wieger, B; Pryser, E; Arghal, R; Pozzi, S; Bashkirov, V; Schulte, R; Schneider, U

    2014-06-01

    Purpose: To characterize tissue equivalence of phantom materials in terms of secondary neutron production and dose deposition from neutrons produced in radiation therapy phantom materials in the context of proton therapy using Monte Carlo simulations and measurements. Methods: In order to study the influence of material choice on neutron production in therapeutic proton beams, Monte Carlo simulations using the Geant4 and MCNPX-PoliMi transport codes were performed to generate the neutron fields produced by protons of 155 and 200 MeV. A simple irradiation geometry was used to investigate the effect of different materials. The proton beams were stopped in slab phantoms to study the production of secondary neutrons. The investigated materials were water, Lucite, and tissue-equivalent phantom materials (CIRS Inc., Norfolk, VA). Neutron energy spectra and absorbed dose by neutrons and their secondary particles were scored. In addition, simulations were performed for reference tissues (ICRP/ICRU) to assess tissue equivalence with respect to neutron generation and transport. In order to benchmark the simulation results, measurements were performed with a system developed at the University of Michigan; organic liquid scintillators were used to detect the neutron emissions from the irradiation of tissue-equivalent materials. Additionally, the MPPost code was used to calculate the scintillator response from the MCNPX-PoliMi output. Results: The simulated energy spectra and depth dose curves of the neutrons produced in different phantom materials showed similar shape. The differences of spectra and fluences between all studied materials and reference tissues were well within the achievable precision of neutron dosimetry. The shape of the simulated detector response of the liquid scintillators agreed well with measurements on the proton beamline. Conclusion: Based on Geant4 and MCNPX-PoliMi simulations, the investigated materials appear to be suitable to study the production of neutrons in proton therapy. MC simulations were verified with neutron measurements in therapeutic proton beams. This work was funded in part by the ANDANTE grant of the European Commission in the 7th Framework Program.

  12. On the Equivalence of Trapped Colloids, Pinned Vortices, and Spin Ice

    SciTech Connect (OSTI)

    Nisoli, Cristiano

    2014-04-23

    We investigate the recently reported analogies between pinned vortices in nano-structured superconductors or colloids in optical traps, and spin ice materials. The frustration of the two models, one describing colloids and vortices, the other describing spin ice, differs essentially. However, their effective energetics is made identical by the contribution of an emergent field associated to a topological charge. This equivalence extends to the local low-energy dynamics of the ice manifold, yet breaks down in lattices of mixed coordination, because of topological charge transfer between sub-latices.

  13. Noise Equivalent Counts Based Emission Image Reconstruction Algorithm of Tomographic Gamma Scanning

    E-Print Network [OSTI]

    Ke Wang; Zheng Li; Wei Feng; Dong Han

    2014-04-17

    Tomographic Gamma Scanning (TGS) is a technique used to assay the nuclide distribution and radioactivity in nuclear waste drums. Both transmission and emission scans are performed in TGS and the transmission image is used for the attenuation correction in emission reconstructions. The error of the transmission image, which is not considered by the existing reconstruction algorithms, negatively affects the final results. An emission reconstruction method based on Noise Equivalent Counts (NEC) is presented. Noises from the attenuation image are concentrated to the projection data to apply the NEC Maximum-Likelihood Expectation-Maximization algorithm. Experiments are performed to verify the effectiveness of the proposed method.

  14. U.S. Natural Gas Plant Liquids Production, Gaseous Equivalent (Billion

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power AdministrationRobust,Field-effectWorking With WIPP UPDATE: AprilCubic Feet) Production, Gaseous Equivalent

  15. Development of an optimal anisotropic responding (OAR) dosimeter for two-dosimeter dosimetry for better estimation of effective dose equivalent (He) and the impact of dosimeter misposition on estimating effective dose equivalent using isotropic dosimeters 

    E-Print Network [OSTI]

    Han, Hsiang-Jung

    1998-01-01

    A single dosimeter is commonly worn on a radiation worker's chest to monitor radiation exposure. However, when a radiation worker is exposed to a posterior photon beam, effective dose equivalent (HE) can be severely underestimated using a single...

  16. EQUIVALENCE CLOSURE IN THE TWO-VARIABLE GUARDED EMANUEL KIERONSKI , IAN PRATT-HARTMANN , AND LIDIA TENDERA

    E-Print Network [OSTI]

    Pratt-Hartmann, Ian

    EQUIVALENCE CLOSURE IN THE TWO-VARIABLE GUARDED FRAGMENT EMANUEL KIERO´NSKI , IAN PRATT-HARTMANN. Kiero´nski, I. Pratt-Hartmann and L. Tendera and GFEC2 k are undecidable when k 3. This leaves only

  17. Evaluation and Interconversion of Various Indicator PCB Schemes for PCB and Dioxin-Like PCB Toxic Equivalent Levels in Fish

    E-Print Network [OSTI]

    Arhonditsis, George B.

    Evaluation and Interconversion of Various Indicator PCB Schemes for PCB and Dioxin-Like PCB ToxicPCB schemes in estimating total of PCB congeners (PCB) and dioxin-like PCB toxic equivalent (dl

  18. Tissue-equivalent torso phantom for calibration of transuranic-nuclide counting facilities

    SciTech Connect (OSTI)

    Griffith, R.V.; Anderson, A.L.; Dean, P.N.; Fisher, J.C.; Sundbeck, C.W.

    1986-01-16

    Several tissue-equivalent human-torso phantoms have been constructed for the calibration of counting systems used for in-vivo measurement of transuranic radionuclides. The phantoms contain a simulated human rib cage (in some cases, real bone) and removable model organs, and they include tissue-equivalent chest plates that can be placed over the torso to simulate people with a wide range of statures. The organs included are the lungs, liver, and tracheobronchial lymph nodes. Polyurethane with varying concentrations of added calcium was used to simulate the linear photon-attenuation properties of various human tissues, including lean muscle, adipose-muscle mixtures, cartilage, and bone. Foamed polyurethane was used to simulate lung tissue. Organs have been loaded with highly pure /sup 238/Pu, /sup 239/Pu, /sup 241/Am, and other radionuclides of interest. The validity of the phantom as a calibration standard has been checked in separate intercomparison studies using human subjects whose lungs contained a plutonium simulant. The resulting phantom calibration factors generally compared to within +-20% of the average calibration factors obtained for the human subjects.

  19. Calculation of Ambient (H*(10)) and Personal (Hp(10)) Dose Equivalent from a 252Cf Neutron Source

    SciTech Connect (OSTI)

    Traub, Richard J.

    2010-03-26

    The purpose of this calculation is to calculate the neutron dose factors for the Sr-Cf-3000 neutron source that is located in the 318 low scatter room (LSR). The dose factors were based on the dose conversion factors published in ICRP-21 Appendix 6, and the Ambient dose equivalent (H*(10)) and Personal dose equivalent (Hp(10)) dose factors published in ICRP Publication 74.

  20. OAiC RiDGE NATIONAL LABORAl-ORY LKCKKBSP HAITI MANA%ED AND OPERATED BY

    Office of Legacy Management (LM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouthReport for the Weldon Spring,7=cr5rnP 7694 i+lJNew York,' ,92 7%

  1. ORISE "AK RlDGE lNSTlT"TE FOR SCIENCE AND EDUCATION

    Office of Legacy Management (LM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouthReport for the Weldon Spring,7=cr5rnP 7694 i+lJNewS e T B ~ I

  2. The equivalence of Bell's inequality and the Nash inequality in a quantum game-theoretic setting

    E-Print Network [OSTI]

    Azhar Iqbal; James M. Chappell; Derek Abbott

    2015-08-04

    Are there two-player games in which a strategy pair can exist as a Nash equilibrium only when the game is played quantum mechanically? To find an answer to this question, we study two-player games that are played in generalized Einstein-Podolsky-Rosen setting. Considering particular strategy pairs, we identify sets of games for which the pair can exist as a Nash equilibrium when Bell's inequality is violated. We thus identify games and players' strategies for which the Nash inequality becomes equivalent to Bell's inequality. As the violation of Bell's inequality is regarded as being quantum in nature, this paper thus addresses the earliest criticisms of quantum games that questioned if they were truly quantum.

  3. Lineal energy calibration of mini tissue-equivalent gas-proportional counters (TEPC)

    SciTech Connect (OSTI)

    Conte, V.; Moro, D.; Colautti, P.; Grosswendt, B.

    2013-07-18

    Mini TEPCs are cylindrical gas proportional counters of 1 mm or less of sensitive volume diameter. The lineal energy calibration of these tiny counters can be performed with an external gamma-ray source. However, to do that, first a method to get a simple and precise spectral mark has to be found and then the keV/{mu}m value of this mark. A precise method (less than 1% of uncertainty) to identify this markis described here, and the lineal energy value of this mark has been measured for different simulated site sizes by using a {sup 137}Cs gamma source and a cylindrical TEPC equipped with a precision internal {sup 244}Cm alpha-particle source, and filled with propane-based tissue-equivalent gas mixture. Mini TEPCs can be calibrated in terms of lineal energy, by exposing them to {sup 137}Cesium sources, with an overall uncertainty of about 5%.

  4. Subthreshold Production of Kaons and Antikaons in Nucleus-Nucleus Collisions at Equivalent Beam Energies

    SciTech Connect (OSTI)

    Barth, R.; Senger, P.; Ahner, W.; Debowski, M.; Grosse, E.; Koczon, P.; Miskowiec, D.; Schwab, E.; Schicker, R. [Gesellschaft fuer Schwerionenforschung, D-64220 Darmstadt (Germany)] [Gesellschaft fuer Schwerionenforschung, D-64220 Darmstadt (Germany); Muentz, C.; Oeschler, H.; Sturm, C.; Wagner, A. [Technische Hochschule Darmstadt, D-64289 Darmstadt (Germany)] [Technische Hochschule Darmstadt, D-64289 Darmstadt (Germany); Beckerle, P.; Bormann, C.; Brill, D.; Schwab, E.; Shin, Y.; Stroebele, H. [Johann Wolfgang Goethe Universitaet, D-60325 Frankfurt am Main (Germany)] [Johann Wolfgang Goethe Universitaet, D-60325 Frankfurt am Main (Germany); Kohlmeyer, B.; Puehlhofer, F.; Speer, J.; Voelkel, K. [Phillips Universitaet, D-35037 Marburg (Germany)] [Phillips Universitaet, D-35037 Marburg (Germany); Cieslak, M.; Walus, W. [Jagiellonian University, PL-30-059 Krakow (Poland)] [Jagiellonian University, PL-30-059 Krakow (Poland)

    1997-05-01

    Kaon production has been studied in Ni+Ni collisions at beam energies of 0.8{endash}1.8GeV/nucleon with the kaon spectrometer at GSI. The K{sup +} production cross section increases as E{sup 5.3{plus_minus}0.2}{sub beam} . Both K{sup +} and K{sup -} mesons are predominantly produced in central collisions. The K{sup -}/K{sup +} ratio measured at equivalent beam energies below the respective particle production threshold is considerably larger for Ni+Ni collisions than for nucleon-nucleon collisions near threshold. This is evidence for an enhanced K{sup -} production in the nuclear medium. {copyright} {ital 1997} {ital The American Physical Society}

  5. RNS and Pure Spinors Equivalence for Type I Tree Level Amplitudes Involving up to Four Fermions

    E-Print Network [OSTI]

    G. Alencar; M. O. Tahim; R. R. Landim; R. N. Costa Filho

    2011-11-25

    In this paper we give a proof of the equivalence between the RNS and Pure Spinor formalism for Type I tree level amplitudes involving up to four fermions. This result have been obtained previously for amplitudes involving only closed or open amplitudes and here we extend it to include Type I amplitudes. For this we first prove the cyclic symmetry of Type I superstring in a way that it is also valid for the Pure Spinor formalism. The technique used is applied to simplify the calculation of the tree level three point amplitude previously computed. As a byproduct, we are able to calculate the gauge anomaly amplitude of type I Superstrings in this formalism.

  6. Correlative methods for dual-species quantum tests of the weak equivalence principle

    E-Print Network [OSTI]

    Barrett, B; Chichet, L; Battelier, B; Gominet, P -A; Bertoldi, A; Bouyer, P; Landragin, A

    2015-01-01

    Matter-wave interferometers utilizing non-identical elements intrinsically have different sensitivities, and the analysis tools available until now are insufficient for accurately estimating the atomic phase difference under many experimental conditions. In this work, we describe and demonstrate two new methods for extracting the differential phase between dual-species atom interferometers for precise tests of the weak equivalence principle. The first method is a generalized Bayesian analysis, which uses knowledge of the system noise to estimate the differential phase based on a statistical model. The second method utilizes a mechanical accelerometer to reconstruct single-sensor interference fringes based on measurements of the vibration-induced phase. An improved ellipse-fitting algorithm is also implemented as a third method for comparison. These analysis tools are investigated using both numerical simulations and experimental data from simultaneous $^{87}$Rb and $^{39}$K interferometers, and both new techn...

  7. An Investigation of Equivalence Principle Violations Using Solar Neutrino Oscillations in a Constant Gravitational Potential

    E-Print Network [OSTI]

    J. R. Mureika

    1996-12-18

    Neutrino oscillations induced by a flavor-dependent violation of the Einstein Equivalence Principle (VEP) have been recently considered as a suitable explanation of the solar electron-neutrino deficiency. Unlike the MSW oscillation mechanism, the VEP mechanism is dependent on a coupling to the local background gravitational potential $\\Phi$. We investigate the differences which arise by considering three-flavor VEP neutrinos oscillating against fixed background potentials, and against the radially-dependent solar potential. This can help determine the sensitivity of the gravitationally-induced oscillations to both constancy and size (order of magnitude) of $\\Phi$. In particular, we consider the potential of the local superculster, $|\\Phi|=3\\times 10^{-5}$, in light of recent work suggesting that the varying solar potential has no effect on the oscillations. The possibility for arbitrarily large background potentials in different cosmologies is discussed, and the effects of one such potential ($\\Phi = 10^{-3}$) are considered.

  8. Solvent Blending Strategy to Upgrade MCU CSSX Solvent to Equivalent Next-Generation CSSX Solvent

    SciTech Connect (OSTI)

    Delmau, Laetitia Helene; Moyer, Bruce A

    2012-12-01

    The results of the present study have validated an equal-volume blending strategy for upgrading freshly prepared CSSX solvent to a blended solvent functionally equivalent to NG-CSSX solvent. It is shown that blending fresh CSSX solvent as currently used in MCU with an equal volume of an NG-CSSX solvent concentrate of appropriate composition yields a blended solvent composition (46.5 mM of MaxCalix, 3.5 mM of BOBCalixC6, 0.5 M of Cs-7SB, 3 mM of guanidine suppressor, and 1.5 mM of TOA in Isopar L) that exhibits equivalent batch ESS performance to that of the NG-CSSX solvent containing 50 mM of MaxCalix, 0.5 M of Cs-7SB, and 3 mM of guanidine suppressor in Isopar L. The solvent blend composition is robust to third-phase formation. Results also show that a blend containing up to 60% v/v of CSSX solvent could be accommodated with minimal risk. Extraction and density data for the effect of solvent concentration mimicking diluent evaporation or over-dilution of the equal-volume blended solvent are also given, providing input for setting operational limits. Given that the experiments employed all pristine chemicals, the results do not qualify a blended solvent starting with actual used MCU solvent, which can be expected to have undergone some degree of degradation. Consequently, further work should be considered to evaluate this risk and implement appropriate remediation if needed.

  9. Lean-burn hydrogen spark-ignited engines: the mechanical equivalent to the fuel cell

    SciTech Connect (OSTI)

    Aceves, S.M.; Smith, J.R.

    1996-10-01

    Fuel cells are considered as the ideal power source for future vehicles, due to their high efficiency and low emissions. However, extensive use of fuel cells in light-duty vehicles is likely to be years away, due to their high manufacturing cost. Hydrogen-fueled, spark-ignited, homogeneous-charge engines offer a near-term alternative to fuel cells. Hydrogen in a spark-ignited engine can be burned at very low equivalence ratios, so that NO[sub x] emissions can be reduced to less than 10 ppm without catalyst. HC and CO emissions may result from oxidation of engine oil, but by proper design are negligible (a few ppm). Lean operation also results in increased indicated efficiency due to the thermodynamic properties of the gaseous mixture contained in the cylinder. The high effective octane number of hydrogen allows the use of a high compression ratio, further increasing engine efficiency. In this paper, a simplified engine model is used for predicting hydrogen engine efficiency and emissions. The model uses basic thermodynamic equations for the compression and expansion processes, along with an empirical correlation for heat transfer, to predict engine indicated efficiency. A friction correlation and a supercharger/turbocharger model are then used to calculate brake thermal efficiency. The model is validated with many 1345 experimental points obtained in a recent evaluation of a hydrogen research engine. The experimental data are used to adjust the empirical constants in the heat release rate and heat transfer correlation. The adjusted engine model predicts pressure traces, indicated efficiency and NO,, emissions with good accuracy over the range of speed, equivalence ratio and manifold pressure experimentally covered.

  10. Correlative methods for dual-species quantum tests of the weak equivalence principle

    E-Print Network [OSTI]

    B. Barrett; L. Antoni-Micollier; L. Chichet; B. Battelier; P. -A. Gominet; A. Bertoldi; P. Bouyer; A. Landragin

    2015-08-11

    Matter-wave interferometers utilizing different isotopes or chemical elements intrinsically have different sensitivities, and the analysis tools available until now are insufficient for accurately estimating the atomic phase difference under many experimental conditions. In this work, we describe and demonstrate two new methods for extracting the differential phase between dual-species atom interferometers for precise tests of the weak equivalence principle. The first method is a generalized Bayesian analysis, which uses knowledge of the system noise to estimate the differential phase based on a statistical model. The second method utilizes a mechanical accelerometer to reconstruct single-sensor interference fringes based on measurements of the vibration-induced phase. An improved ellipse-fitting algorithm is also implemented as a third method for comparison. These analysis tools are investigated using both numerical simulations and experimental data from simultaneous $^{87}$Rb and $^{39}$K interferometers, and both new techniques are shown to produce bias-free estimates of the differential phase. We also report observations of phase correlations between atom interferometers composed of different chemical species. This correlation enables us to reject common-mode vibration noise by a factor of 730, and to make preliminary tests of the weak equivalence principle with a sensitivity of $1.6 \\times 10^{-6}$ per measurement with an interrogation time of $T = 10$ ms. We study the level of vibration rejection by varying the temporal overlap between interferometers in a symmetric timing sequence. Finally, we discuss the limitations of the new analysis methods for future applications of differential atom interferometry.

  11. Progress and Accomplishments in

    E-Print Network [OSTI]

    range of natural gas prices -- a cost that is competitive with gasoline.6 Reduced the cost of producing.00/gallon gasoline equivalent (gge) produced (

  12. Workplace Charging Challenge Partner: Lane Regional Air Protection...

    Energy Savers [EERE]

    home refueling, and reduced maintenance costs. Electricity is cheaper than gasoline to power a vehicle - generally equivalent to about 1 per gallon. The DOE wants to increase...

  13. Investigation of critical equivalence ratio and chemical speciation in flames of ethylbenzene-ethanol blends

    SciTech Connect (OSTI)

    Therrien, Richard J.; Ergut, Ali; Levendis, Yiannis A.; Richter, Henning; Howard, Jack B.; Carlson, Joel B.

    2010-02-15

    This work investigates five different one-dimensional, laminar, atmospheric pressure, premixed ethanol/ethylbenzene flames (0%, 25%, 50%, 75% and 90% ethanol by weight) at their soot onset threshold ({phi}{sub critical}). Liquid ethanol/ethylbenzene mixtures were pre-vaporized in nitrogen, blended with an oxygen-nitrogen mixture and, upon ignition, burned in premixed one-dimensional flames at atmospheric pressure. The flames were controlled so that each was at its visual soot onset threshold, and all had similar temperature profiles (determined by thermocouples). Fixed gases, light volatile hydrocarbons, polycyclic aromatic hydrocarbons (PAH), and oxygenated aromatic hydrocarbons were directly sampled at three locations in each flame. The experimental results were compared with a detailed kinetic model, and the modeling results were used to perform a reaction flux analysis of key species. The critical equivalence ratio was observed to increase in a parabolic fashion as ethanol concentration increased in the fuel mixture. The experimental results showed increasing trends of methane, ethane, and ethylene with increasing concentrations of ethanol in the flames. Carbon monoxide was also seen to increase significantly with the increase of ethanol in the flame, which removes carbon from the PAH and soot formation pathways. The PAH and oxygenated aromatic hydrocarbon values were very similar in the 0%, 25% and 50% ethanol flames, but significantly lower in the 75% and 90% ethanol flames. These results were in general agreement with the model and were reflected by the model soot predictions. The model predicted similar soot profiles for the 0%, 25% and 50% ethanol flames, however it predicted significantly lower values in the 75% and 90% ethanol flames. The reaction flux analysis revealed benzyl to be a major contributor to single and double ring aromatics (i.e., benzene and naphthalene), which was identified in a similar role in nearly sooting or highly sooting ethylbenzene flames. The presence of this radical was significantly reduced as ethanol concentration was increased in the flames, and this effect in combination with the lower carbon to oxygen ratios and the enhanced formation of carbon monoxide, are likely what allowed higher equivalence ratios to be reached without forming soot. (author)

  14. Equivalent circuit analysis applied to the investigation of the driving point impedance of a chemical high frequency analytical instrument 

    E-Print Network [OSTI]

    Dausin, Lawrence Raymond

    1958-01-01

    of the Agrioultural and Hechanical College of Texas in partial fulfillment of the requirements for the degree of RASTER OF SCIENCE January 1958 Na J or Sub J eat I Electrioa1 Engineering EQUIVALENT CIRCUIT ANALTSIS APPLIH) TO THE INVESTIGATION OF THE DRIVING... the response oi' the instrument as any one of the four factors is varied. Because the response of the instru- ment is always measured in electrical unitsp it is most convenient to obtain an equivalent, circuit representing the driving point impedanoe as a...

  15. Ground Tests of Einstein's Equivalence Principle: From Lab-based to 10-m Atomic Fountains

    E-Print Network [OSTI]

    Schlippert, D; Richardson, L L; Nath, D; Heine, H; Meiners, C; Wodey, É; Billon, A; Hartwig, J; Schubert, C; Gaaloul, N; Ertmer, W; Rasel, E M

    2015-01-01

    To date, no framework combining quantum field theory and general relativity and hence unifying all four fundamental interactions, exists. Violations of the Einstein's equivalence principle (EEP), being the foundation of general relativity, may hold the key to a theory of quantum gravity. The universality of free fall (UFF), which is one of the three pillars of the EEP, has been extensively tested with classical bodies. Quantum tests of the UFF, e.g. by exploiting matter wave interferometry, allow for complementary sets of test masses, orders of magnitude larger test mass coherence lengths and investigation of spin-gravity coupling. We review our recent work towards highly sensitive matter wave tests of the UFF on ground. In this scope, the first quantum test of the UFF utilizing two different chemical elements, Rb-87 and K-39, yielding an E\\"otv\\"os ratio $\\eta_{\\,\\text{Rb,K}}=(0.3\\pm 5.4)\\times 10^{-7}$ has been performed. We assess systematic effects currently limiting the measurement at a level of parts in...

  16. A New Equivalence Theory Method for Treating Doubly Heterogeneous Fuel - I. Theory

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

    Williams, Mark L.; Lee, Deokjung; Choi, Sooyoung

    2015-03-04

    A new methodology has been developed to treat resonance self-shielding in doubly heterogeneous very high temperature gas-cooled reactor systems in which the fuel compact region of a reactor lattice consists of small fuel grains dispersed in a graphite matrix. This new method first homogenizes the fuel grain and matrix materials using an analytically derived disadvantage factor from a two-region problem with equivalence theory and intermediate resonance method. This disadvantage factor accounts for spatial self-shielding effects inside each grain within the framework of an infinite array of grains. Then the homogenized fuel compact is self-shielded using a Bondarenko method to accountmore »for interactions between the fuel compact regions in the fuel lattice. In the final form of the equations for actual implementations, the double-heterogeneity effects are accounted for by simply using a modified definition of a background cross section, which includes geometry parameters and cross sections for both the grain and fuel compact regions. With the new method, the doubly heterogeneous resonance self-shielding effect can be treated easily even with legacy codes programmed only for a singly heterogeneous system by simple modifications in the background cross section for resonance integral interpolations. This paper presents a detailed derivation of the new method and a sensitivity study of double-heterogeneity parameters introduced during the derivation. The implementation of the method and verification results for various test cases are presented in the companion paper.« less

  17. A New Equivalence Theory Method for Treating Doubly Heterogeneous Fuel - II. Verifications

    SciTech Connect (OSTI)

    Choi, Sooyoung; Kong, Chidong; Lee, Deokjung; Williams, Mark L.

    2015-03-09

    A new methodology has been developed recently to treat resonance self-shielding in systems for which the fuel compact region of a reactor lattice consists of small fuel grains dispersed in a graphite matrix. The theoretical development adopts equivalence theory in both micro- and macro-level heterogeneities to provide approximate analytical expressions for the shielded cross sections, which may be interpolated from a table of resonance integrals or Bondarenko factors using a modified background cross section as the interpolation parameter. This paper describes the first implementation of the theoretical equations in a reactor analysis code. In order to reduce discrepancies caused by use of the rational approximation for collision probabilities in the original derivation, a new formulation for a doubly heterogeneous Bell factor is developed in this paper to improve the accuracy of doubly heterogeneous expressions. This methodology is applied to a wide range of pin cell and assembly test problems with varying geometry parameters, material compositions, and temperatures, and the results are compared with continuous-energy Monte Carlo simulations to establish the accuracy and range of applicability of the new approach. It is shown that the new doubly heterogeneous self-shielding method including the Bell factor correction gives good agreement with reference Monte Carlo results.

  18. A New Equivalence Theory Method for Treating Doubly Heterogeneous Fuel - I. Theory

    SciTech Connect (OSTI)

    Williams, Mark L.; Lee, Deokjung; Choi, Sooyoung

    2015-03-04

    A new methodology has been developed to treat resonance self-shielding in doubly heterogeneous very high temperature gas-cooled reactor systems in which the fuel compact region of a reactor lattice consists of small fuel grains dispersed in a graphite matrix. This new method first homogenizes the fuel grain and matrix materials using an analytically derived disadvantage factor from a two-region problem with equivalence theory and intermediate resonance method. This disadvantage factor accounts for spatial self-shielding effects inside each grain within the framework of an infinite array of grains. Then the homogenized fuel compact is self-shielded using a Bondarenko method to account for interactions between the fuel compact regions in the fuel lattice. In the final form of the equations for actual implementations, the double-heterogeneity effects are accounted for by simply using a modified definition of a background cross section, which includes geometry parameters and cross sections for both the grain and fuel compact regions. With the new method, the doubly heterogeneous resonance self-shielding effect can be treated easily even with legacy codes programmed only for a singly heterogeneous system by simple modifications in the background cross section for resonance integral interpolations. This paper presents a detailed derivation of the new method and a sensitivity study of double-heterogeneity parameters introduced during the derivation. The implementation of the method and verification results for various test cases are presented in the companion paper.

  19. New Limits for the Violation of the Equivalence Principle in the Solar-Reactor Neutrino Sector

    E-Print Network [OSTI]

    Valdiviesso, G do A; De Holanda, P C

    2008-01-01

    A model for the violation of the equivalence principle (VEP) on solar and reactor neutrinos is investigated. New limits for the VEP are obtained considering the mass-flavor mixing hypothesis and the VEP model. Our analysis shows two solutions were the VEP effects practically don't change the solar sector. In a first case, the mass scale of the reactor sector remains the same and in a second situation this scale falls slightly, becoming closer to the solar solution without VEP. The combined solution points to the following set of parameters: a ``higher VEP'' $|\\phi\\Delta\\gamma|=9,12^{+0,97}_{-0,78}\\times10^{-21}$, $\\tan^2\\theta=0,478^{+0,040}_{-0,038}$ and $\\Delta m^2=6,63\\pm0,31\\times10^{-5} eV^2$ ($77,7%$ C.L.) and a ``lower VEP'' $|\\phi\\Delta\\gamma|=1,91^{+0,84}_{-0,61}\\times10^{-21}$, $\\tan^2\\theta=0,478^{+0,040}_{-0,038}$ e $\\Delta m^2=7,73^{+0,17}_{-0,20}\\times10^{-5} eV^2$ ($77,7%$ C.L.). Both solutions have increased confidence level when compared with the MSW solution ($\\tan^2\\theta=0,462^{+0,043}_{-0...

  20. Electrically detected magnetic resonance modeling and fitting: An equivalent circuit approach

    SciTech Connect (OSTI)

    Leite, D. M. G.; Batagin-Neto, A.; Nunes-Neto, O.; Gómez, J. A.; Graeff, C. F. O.

    2014-01-21

    The physics of electrically detected magnetic resonance (EDMR) quadrature spectra is investigated. An equivalent circuit model is proposed in order to retrieve crucial information in a variety of different situations. This model allows the discrimination and determination of spectroscopic parameters associated to distinct resonant spin lines responsible for the total signal. The model considers not just the electrical response of the sample but also features of the measuring circuit and their influence on the resulting spectral lines. As a consequence, from our model, it is possible to separate different regimes, which depend basically on the modulation frequency and the RC constant of the circuit. In what is called the high frequency regime, it is shown that the sign of the signal can be determined. Recent EDMR spectra from Alq{sub 3} based organic light emitting diodes, as well as from a-Si:H reported in the literature, were successfully fitted by the model. Accurate values of g-factor and linewidth of the resonant lines were obtained.

  1. A New Equivalence Theory Method for Treating Doubly Heterogeneous Fuel - II. Verifications

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

    Choi, Sooyoung; Kong, Chidong; Lee, Deokjung; Williams, Mark L.

    2015-03-09

    A new methodology has been developed recently to treat resonance self-shielding in systems for which the fuel compact region of a reactor lattice consists of small fuel grains dispersed in a graphite matrix. The theoretical development adopts equivalence theory in both micro- and macro-level heterogeneities to provide approximate analytical expressions for the shielded cross sections, which may be interpolated from a table of resonance integrals or Bondarenko factors using a modified background cross section as the interpolation parameter. This paper describes the first implementation of the theoretical equations in a reactor analysis code. In order to reduce discrepancies caused bymore »use of the rational approximation for collision probabilities in the original derivation, a new formulation for a doubly heterogeneous Bell factor is developed in this paper to improve the accuracy of doubly heterogeneous expressions. This methodology is applied to a wide range of pin cell and assembly test problems with varying geometry parameters, material compositions, and temperatures, and the results are compared with continuous-energy Monte Carlo simulations to establish the accuracy and range of applicability of the new approach. It is shown that the new doubly heterogeneous self-shielding method including the Bell factor correction gives good agreement with reference Monte Carlo results.« less

  2. PHYSICAL REVIEW B 91, 014411 (2015) Spin-transfer-driven nano-oscillators are equivalent to parametric resonators

    E-Print Network [OSTI]

    Gavilan, Marcel G. Clerc

    2015-01-01

    have focused on this regime, in which the free magnetization behaves as a self-oscillator with negative-plane ferromagnetic materials exposed to an oscillatory magnetic field [18]. * aoleon@dfi.uchile.cl marcel that this system is equivalent to a simple rotating magnetic plate subjected to a constant magnetic field applied

  3. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, VOL. 38, NO. 6, NOVEMBER 2000 2465 Estimation of Snow Water Equivalence Using

    E-Print Network [OSTI]

    Dozier, Jeff

    of Snow Water Equivalence Using SIR-C/X-SAR, Part I: Inferring Snow Density and Subsurface Properties Jiancheng Shi and Jeff Dozier Abstract--Algorithms for estimating dry snow density and the dielectric polarization at L-band frequency (1.25 GHz). Comparison with field measure- ments of snow density during

  4. Theory of hydro-equivalent ignition for inertial fusion and its applications to OMEGA and the National Ignition Facility

    SciTech Connect (OSTI)

    Nora, R.; Betti, R.; Bose, A.; Woo, K. M.; Christopherson, A. R.; Meyerhofer, D. D. [Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623-1299 (United States); Fusion Science Center, University of Rochester, 250 East River Road, Rochester, New York 14623-1299 (United States); Department of Physics and/or Mechanical Engineering, University of Rochester, 250 East River Road, Rochester, New York 14623-1299 (United States); Anderson, K. S.; Shvydky, A.; Marozas, J. A.; Collins, T. J. B.; Radha, P. B.; Hu, S. X.; Epstein, R.; Marshall, F. J.; Sangster, T. C. [Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623-1299 (United States); McCrory, R. L. [Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623-1299 (United States); Department of Physics and/or Mechanical Engineering, University of Rochester, 250 East River Road, Rochester, New York 14623-1299 (United States)

    2014-05-15

    The theory of ignition for inertial confinement fusion capsules [R. Betti et al., Phys. Plasmas 17, 058102 (2010)] is used to assess the performance requirements for cryogenic implosion experiments on the Omega Laser Facility. The theory of hydrodynamic similarity is developed in both one and two dimensions and tested using multimode hydrodynamic simulations with the hydrocode DRACO [P. B. Radha et al., Phys. Plasmas 12, 032702 (2005)] of hydro-equivalent implosions (implosions with the same implosion velocity, adiabat, and laser intensity). The theory is used to scale the performance of direct-drive OMEGA implosions to the National Ignition Facility (NIF) energy scales and determine the requirements for demonstrating hydro-equivalent ignition on OMEGA. Hydro-equivalent ignition on OMEGA is represented by a cryogenic implosion that would scale to ignition on the NIF at 1.8?MJ of laser energy symmetrically illuminating the target. It is found that a reasonable combination of neutron yield and areal density for OMEGA hydro-equivalent ignition is 3 to 6?×?10{sup 13} and ?0.3?g/cm{sup 2}, respectively, depending on the level of laser imprinting. This performance has not yet been achieved on OMEGA.

  5. Percentage depth dose distributions in inhomogeneous phantoms with lung and bone equivalent media for small fields of CyberKnife

    E-Print Network [OSTI]

    Lee, Chung Il; Yoon, Sei-Chul; Suh, Tae Suk; Hong, Seung-Woo; Min, Kyung Joo; Lee, Sang Deok; Chung, Su Mi; Jung, Jae-Yong

    2014-01-01

    The percentage depth dose distributions in inhomogeneous phantoms with lung and bone equivalent media are studied. For lung equivalent media a Balsa wood is used, and for a soft bone equivalent media a compound material with epoxy resin, hardener and calcium carbonate is used. Polystyrene slabs put together with these materials are used as an inhomogeneous phantom. Dose measurements are performed with Gafchromic EBT film by using photon beams from 6MV CyberKnife at the Seoul Uridul Hospital. The cone sizes of the photon beams are varied from 5, 10 to 30 mm. As a simulation tool GEANT4 Monte Carlo code v9.4.p02 is used. When the Balsa wood is inserted in the phantom, the dose measured with EBT film is found to be significantly different from the dose without the EBT film in and beyond the Balsa wood region, particularly for small field sizes. On the other hand, when the soft bone equivalent material is inserted in the phantom, discrepancy between the dose measured with EBT film and the dose without EBT film ca...

  6. SECTION 2 -DECLARATION AND SIGNATURE PART A -ELECTION TO FOREGO 3% AWARD CONTRIBUTION IN LIEU OF EQUIVALENT SALARY LOADING

    E-Print Network [OSTI]

    Tobar, Michael

    OF EQUIVALENT SALARY LOADING SECTION 1 - MEMBER DETAILS Name UniSuper Member Number Employee Number PART B - ELECTION TO REINSTATE 3% AWARD CONTRIBUTION FROM A SALARY LOADING I understand that: the 3% Salary Loading recommended seeking independent financial advice. the Salary Loading is non-superable. my Accumulation

  7. Dye-sensitized solar cells based on a nanoparticle/nanotube bilayer structure and their equivalent circuit analysis

    E-Print Network [OSTI]

    Lin, Zhiqun

    of anatase and rutile phases. As one of the major renewable energy sources, solar energy has the potential to become an essential component of future global energy production. Dye sensitized solar cells (DSSCs)1Dye-sensitized solar cells based on a nanoparticle/nanotube bilayer structure and their equivalent

  8. Package Equivalent Reactor Networks as Reduced Order Models for Use with CAPE-OPEN Compliant Simulation

    SciTech Connect (OSTI)

    Meeks, E.; Chou, C. -P.; Garratt, T.

    2013-03-31

    Engineering simulations of coal gasifiers are typically performed using computational fluid dynamics (CFD) software, where a 3-D representation of the gasifier equipment is used to model the fluid flow in the gasifier and source terms from the coal gasification process are captured using discrete-phase model source terms. Simulations using this approach can be very time consuming, making it difficult to imbed such models into overall system simulations for plant design and optimization. For such system-level designs, process flowsheet software is typically used, such as Aspen Plus® [1], where each component where each component is modeled using a reduced-order model. For advanced power-generation systems, such as integrated gasifier/gas-turbine combined-cycle systems (IGCC), the critical components determining overall process efficiency and emissions are usually the gasifier and combustor. Providing more accurate and more computationally efficient reduced-order models for these components, then, enables much more effective plant-level design optimization and design for control. Based on the CHEMKIN-PRO and ENERGICO software, we have developed an automated methodology for generating an advanced form of reduced-order model for gasifiers and combustors. The reducedorder model offers representation of key unit operations in flowsheet simulations, while allowing simulation that is fast enough to be used in iterative flowsheet calculations. Using high-fidelity fluiddynamics models as input, Reaction Design’s ENERGICO® [2] software can automatically extract equivalent reactor networks (ERNs) from a CFD solution. For the advanced reduced-order concept, we introduce into the ERN a much more detailed kinetics model than can be included practically in the CFD simulation. The state-of-the-art chemistry solver technology within CHEMKIN-PRO allows that to be accomplished while still maintaining a very fast model turn-around time. In this way, the ERN becomes the basis for high-fidelity kinetics simulation, while maintaining the spatial information derived from the geometrically faithful CFD model. The reduced-order models are generated in such a way that they can be easily imported into a process flowsheet simulator, using the CAPE-OPEN architecture for unit operations. The ENERGICO/CHEMKIN-PRO software produces an ERN-definition file that is read by a dynamically linked library (DLL) that can be easily linked to any CAPE-OPEN compliant software. The plug-in unitoperation module has been successfully demonstrated for complex ERNs of coal gasifiers, using both Aspen Plus and COFE process flowsheet simulators through this published CAPE-OPEN interface.

  9. Equivalence between new and old forms for h W = ZP / |ZP| = (-q, p, 0) / (pp+qq) = (-sin, cos, 0)

    E-Print Network [OSTI]

    Equivalence between new and old forms for h W = Z×P / |Z×P| = (-q, p, 0) / (pp+qq) = (- sin, cos, 0) N = P×W = (-pr, -qr, pp+qq) / (pp+qq) = (- cos sin, - sin sin, cos) / = W·P×U / cos = - sin / cos cos / = W·P×V / cos = cos / cos cos / = N·P×U = W·U = - cos sin / cos / = N·P×V = W·V = - sin sin

  10. Yardstick and Ex-post Regulation by Norm Model: Empirical Equivalence, Pricing Effect, and Performance in Sweeden

    E-Print Network [OSTI]

    Jamasb, Tooraj; Söderberg, M.

    Contact tooraj.jamasb@econ.cam.ac.uk Publication Financial Support UK Economic and Social Research Council 5 January 2009 Yardstick and Ex-Post Regulation by Norm Model: Empirical Equivalence, Pricing Response, and Firm Performance... . In the regulatory context norm models have been regarded as a means to reduce the information asymmetry between the regulator and the regulated firm. Norm models can be regarded as a bottom-up approach to benchmarking, whereas real firm models of benchmarking...

  11. arXiv:1205.6074v1[physics.bio-ph]28May2012 Mesoscale symmetries explain dynamical equivalence of food webs

    E-Print Network [OSTI]

    arXiv:1205.6074v1[physics.bio-ph]28May2012 Mesoscale symmetries explain dynamical equivalence is to identify mesoscale structures that have distinct dynamical implications. In this paper we present show that this equivalence is rooted in mesoscale symmetries that exist in these webs. Certain

  12. ETHANOL FROM CORN: CLEAN RENEWABLE FUEL FOR THE FUTURE, OR DRAIN ON OUR RESOURCES AND POCKETS?

    E-Print Network [OSTI]

    Patzek, Tadeusz W.

    by agricultural and chemical companies for many reasons. However, ethanol does not mix well with gasoline that one burns 1 gallon of gasoline equivalent in fossil fuels to pro- duce 1 gallon of gasoline equivalent as ethanol from corn. When this corn ethanol is burned as a gasoline additive or fuel, its use amounts

  13. WORD PROBLEMS 1. Suppose your car gets 25 miles per gallon of gasoline and the price of gas is $3.50 per gallon. Write

    E-Print Network [OSTI]

    Koban, Nic

    on the other side of the river and 8 kilometers down stream (see figure 2). The man can run 5 km/hr and can and then run to B in terms of x. 3 8 A B C Figure 2: Point C is directly across the river from point A. Point B of fence are to be used to enclose a rectangular field next to a straight river. The river acts as one side

  14. On equivalence of high temperature series expansion and coupling parameter series expansion in thermodynamic perturbation theory of fluids

    SciTech Connect (OSTI)

    Sai Venkata Ramana, A.

    2014-04-21

    The coupling parameter series expansion and the high temperature series expansion in the thermodynamic perturbation theory of fluids are shown to be equivalent if the interaction potential is pairwise additive. As a consequence, for the class of fluids with the potential having a hardcore repulsion, if the hard-sphere fluid is chosen as reference system, the terms of coupling parameter series expansion for radial distribution function, direct correlation function, and Helmholtz free energy follow a scaling law with temperature. The scaling law is confirmed by application to square-well fluids.

  15. Determination of the transuranic dose equivalent to the Rongelapese from urinary output analyzed by the fission track method 

    E-Print Network [OSTI]

    Taylor, George Anthony

    1989-01-01

    ANTHONY TAYLOR Approved as to style and content by: John W. Poston (Chair of Committee) Milton E. McLain (Member) Dan ightower (Member) John W. Poston (Head of Department) May 1989 ABSTRACT Determination of the Transuranic Dose Equivalent.... Milton E. McLain and Dr. Dan Hightower, for their support during my graduate study. l want to thank Dr. Fredrick Best for his help in getting me through that erst semester. Appreciation goes to Dr. Henry Kohn of Berkeley, CA. , and to Mr. Edward...

  16. Grid of theoretical NLTE equivalent widths of four Ba II lines and barium abundance in cool stars

    E-Print Network [OSTI]

    Korotin, S A; Hansen, C J; Caffau, E; Bonifacio, P; Spite, M; Spite, F; Francois, P

    2015-01-01

    We present a grid of computed non-local thermodynamic equilibrium (NLTE) equivalent widths (EW) and NLTE abundance corrections for four Ba II lines: 4554, 5853, 6141, and 6496 A. The grid can be useful in deriving the NLTE barium abundance in stars having parameters in the following ranges: effective temperature from 4000 K to 6500 K, surface gravity log g from 0 to 5, microturbulent velocity 0 km s^-1 to 3 km s^-1, metallicity [Fe/H] from -2 to +0.5, and [Ba/Fe] from -0.4 to +0.6. The NLTE abundance can be either derived by EW interpolation (using the observed Ba II line EW) or by using the NLTE correction applied to a previously determined LTE abundance. Ba II line equivalent widths and the NLTE corrections were calculated using the updated MULTI code and the Ba II atomic model that was previously applied to determine the NLTE barium abundance in different types of stars. The grid is available on-line through the web, and we find that the grid Ba NLTE corrections are almost as accurate as direct NLTE profil...

  17. Improving the hot-spot pressure and demonstrating ignition hydrodynamic equivalence in cryogenic deuterium–tritium implosions on OMEGA

    SciTech Connect (OSTI)

    Goncharov, V. N.; Sangster, T. C.; Betti, R.; Boehly, T. R.; Bonino, M. J.; Collins, T. J. B.; Craxton, R. S.; Delettrez, J. A.; Edgell, D. H.; Epstein, R.; Follett, R. K.; Forrest, C. J.; Froula, D. H.; Glebov, V. Yu.; Harding, D. R.; Henchen, R. J.; Hu, S. X.; Igumenshchev, I. V.; Janezic, R.; Kelly, J. H. [Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623 (United States); and others

    2014-05-15

    Reaching ignition in direct-drive (DD) inertial confinement fusion implosions requires achieving central pressures in excess of 100 Gbar. The OMEGA laser system [T. R. Boehly et al., Opt. Commun. 133, 495 (1997)] is used to study the physics of implosions that are hydrodynamically equivalent to the ignition designs on the National Ignition Facility (NIF) [J. A. Paisner et al., Laser Focus World 30, 75 (1994)]. It is shown that the highest hot-spot pressures (up to 40 Gbar) are achieved in target designs with a fuel adiabat of ? ? 4, an implosion velocity of 3.8?×?10{sup 7}?cm/s, and a laser intensity of ?10{sup 15}?W/cm{sup 2}. These moderate-adiabat implosions are well understood using two-dimensional hydrocode simulations. The performance of lower-adiabat implosions is significantly degraded relative to code predictions, a common feature between DD implosions on OMEGA and indirect-drive cryogenic implosions on the NIF. Simplified theoretical models are developed to gain physical understanding of the implosion dynamics that dictate the target performance. These models indicate that degradations in the shell density and integrity (caused by hydrodynamic instabilities during the target acceleration) coupled with hydrodynamics at stagnation are the main failure mechanisms in low-adiabat designs. To demonstrate ignition hydrodynamic equivalence in cryogenic implosions on OMEGA, the target-design robustness to hydrodynamic instability growth must be improved by reducing laser-coupling losses caused by cross beam energy transfer.

  18. Equivalent Circuit Description of Non-compensated n-p Codoped TiO2 as Intermediate Band Solar Cells

    E-Print Network [OSTI]

    Tian-Li Feng; Guang-Wei Deng; Yi Xia; Feng-Cheng Wu; Ping Cui; Hai-Ping Lan; Zhen-Yu Zhang

    2010-12-09

    The novel concept of non-compensated n-p codoping has made it possible to create tunable intermediate bands in the intrinsic band gap of TiO2, making the codoped TiO2 a promising material for developing intermediate band solar cells (IBSCs). Here we investigate the quantum efficiency of such IBSCs within two scenarios - with and without current extracted from the extended intermediate band. Using the ideal equivalent circuit model, we find that the maximum efficiency of 57% in the first scenario and 53% in the second are both much higher than the Shockley-Queisser limit from single gap solar cells. We also obtain various key quantities of the circuits, a useful step in realistic development of TiO2 based solar cells invoking device integration. These equivalent circuit results are also compared with the efficiencies obtained directly from consideration of electron transition between the energy bands, and both approaches reveal the intriguing existence of double peaks in the maximum quantum efficiency as a function of the relative location of IBs.

  19. A discussion on the interpretation and characterization of metafilms/metasurfaces: the two-dimensional equivalent of metamaterials

    SciTech Connect (OSTI)

    O'hara, John F; Azad, Abul K

    2008-01-01

    A metafilm (also referred to as a metasurface) is the surface equivalent of a metamaterial. More precisely, a metafilm is a surface distribution of suitable chosen electrically small scatterers. Metafilms are becoming popular as an alternative to full three-dimensional metamaterials. Unfortunately, many papers in the literature present incorrect interpretations and mischaracterizations of these metafilms. In fact, some of the characterizations presented in the literature result in non-unique parameters for a uniquely defined metafilm. In this paper we discuss an appropriate interpretation and characterization of metafilms and present a correct manner to characterize a metafilm. Additionally, we illustrate the error that results from an incorrect characterization of metafilms. We present various examples to emphasize these points. Finally we present a retrieval approach for determining the uniquely defined quantities (the electric and magnetic susceptibilities of its constituent scatterers) that characterize a metafilm.

  20. Evaluation of ambient dose equivalent rates influenced by vertical and horizontal distribution of radioactive cesium in soil in Fukushima Prefecture

    E-Print Network [OSTI]

    Malins, Alex; Nakama, Shigeo; Saito, Tatsuo; Okumura, Masahiko; Machida, Masahiko; Kitamura, Akihiro

    2015-01-01

    The air dose rate in an environment contaminated with 134Cs and 137Cs depends on the amount, depth profile and horizontal distribution of these contaminants within the ground. This paper introduces and verifies a tool that models these variables and calculates ambient dose equivalent rates at 1 m above the ground. Good correlation is found between predicted dose rates and dose rates measured with survey meters in Fukushima Prefecture in areas contaminated with radiocesium from the Fukushima Dai-ichi Nuclear Power Plant accident. This finding is insensitive to the choice for modelling the activity depth distribution in the ground using activity measurements of collected soil layers, or by using exponential and hyperbolic secant fits to the measurement data. Better predictions are obtained by modelling the horizontal distribution of radioactive cesium across an area if multiple soil samples are available, as opposed to assuming a spatially homogeneous contamination distribution. Reductions seen in air dose rate...

  1. Equivalence of zeta function technique and Abel-Plana formula in regularizing the Casimir energy of hyper-rectangular cavities

    E-Print Network [OSTI]

    Rui-hui Lin; Xiang-hua Zhai

    2014-12-02

    Zeta function regularization is an effective method to extract physical significant quantities from infinite ones. It is regarded as mathematically simple and elegant but the isolation of the physical divergency is hidden in its analytic continuation. By contrast, Abel-Plana formula method permits explicit separation of divergent terms. In regularizing the Casimir energy for a massless scalar field in a $D$-dimensional rectangular box, we give the rigorous proof of the equivalence of the two methods by deriving the reflection formula of Epstein zeta function from repeatedly application of Abel-plana formula and giving the physical interpretation of the infinite integrals. Our study may help with the confidence of choosing any regularization method at convenience among the frequently used ones, especially the zeta function method, without the doubts of physical meanings or mathematical consistency.

  2. Method to determine the position-dependant metal correction factor for dose-rate equivalent laser testing of semiconductor devices

    DOE Patents [OSTI]

    Horn, Kevin M.

    2013-07-09

    A method reconstructs the charge collection from regions beneath opaque metallization of a semiconductor device, as determined from focused laser charge collection response images, and thereby derives a dose-rate dependent correction factor for subsequent broad-area, dose-rate equivalent, laser measurements. The position- and dose-rate dependencies of the charge-collection magnitude of the device are determined empirically and can be combined with a digital reconstruction methodology to derive an accurate metal-correction factor that permits subsequent absolute dose-rate response measurements to be derived from laser measurements alone. Broad-area laser dose-rate testing can thereby be used to accurately determine the peak transient current, dose-rate response of semiconductor devices to penetrating electron, gamma- and x-ray irradiation.

  3. Uranium-Loaded Water Treatment Resins: 'Equivalent Feed' at NRC and Agreement State-Licensed Uranium Recovery Facilities - 12094

    SciTech Connect (OSTI)

    Camper, Larry W.; Michalak, Paul; Cohen, Stephen; Carter, Ted [Nuclear Regulatory Commission (United States)

    2012-07-01

    Community Water Systems (CWSs) are required to remove uranium from drinking water to meet EPA standards. Similarly, mining operations are required to remove uranium from their dewatering discharges to meet permitted surface water discharge limits. Ion exchange (IX) is the primary treatment strategy used by these operations, which loads uranium onto resin beads. Presently, uranium-loaded resin from CWSs and mining operations can be disposed as a waste product or processed by NRC- or Agreement State-licensed uranium recovery facilities if that licensed facility has applied for and received permission to process 'alternate feed'. The disposal of uranium-loaded resin is costly and the cost to amend a uranium recovery license to accept alternate feed can be a strong disincentive to commercial uranium recovery facilities. In response to this issue, the NRC issued a Regulatory Issue Summary (RIS) to clarify the agency's policy that uranium-loaded resin from CWSs and mining operations can be processed by NRC- or Agreement State-licensed uranium recovery facilities without the need for an alternate feed license amendment when these resins are essentially the same, chemically and physically, to resins that licensed uranium recovery facilities currently use (i.e., equivalent feed). NRC staff is clarifying its current alternate feed policy to declare IX resins as equivalent feed. This clarification is necessary to alleviate a regulatory and financial burden on facilities that filter uranium using IX resin, such as CWSs and mine dewatering operations. Disposing of those resins in a licensed facility could be 40 to 50 percent of the total operations and maintenance (O and M) cost for a CWS. Allowing uranium recovery facilities to treat these resins without requiring a license amendment lowers O and M costs and captures a valuable natural resource. (authors)

  4. Causal equivalence of frames 

    E-Print Network [OSTI]

    Henderson, Troy Lee, IV

    2006-10-30

    takes place, the area of digital signal processing (DSP) provides many techniques for manipulating this digital data. For example, techniques for providing a digital low- pass filter can be used to separate an intended signal from potential noise as well... Gram-Schmidt algorithm, there exists an orthonormal basis of the form Y circleplus tildewide for H circleplus tildewide and an invertible lower triangular (with respect to E) L such that thetaY circlepluseY = LthetaXcircleplus eX. Therefore we have...

  5. Dose equivalent neutron dosimeter

    DOE Patents [OSTI]

    Griffith, Richard V. (Pleasanton, CA); Hankins, Dale E. (Livermore, CA); Tomasino, Luigi (Rome, IT); Gomaa, Mohamed A. M. (Heliopolis, EG)

    1983-01-01

    A neutron dosimeter is disclosed which provides a single measurements indicating the amount of potential biological damage resulting from the neutron exposure of the wearer, for a wide range of neutron energies. The dosimeter includes a detecting sheet of track etch detecting material such as a carbonate plastic, for detecting higher energy neutrons, and a radiator layer containing conversion material such as .sup.6 Li and .sup.10 B lying adjacent to the detecting sheet for converting moderate energy neutrons to alpha particles that produce tracks in the adjacent detecting sheet. The density of conversion material in the radiator layer is of an amount which is chosen so that the density of tracks produced in the detecting sheet is proportional to the biological damage done by neutrons, regardless of whether the tracks are produced as the result of moderate energy neutrons striking the radiator layer or as the result of higher energy neutrons striking the sheet of track etch material.

  6. NGPL Production, Gaseous Equivalent

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming963Residential2, 2014ProvedYear Jan Feb MarNGPL Production, Gaseous

  7. NGPL Production, Gaseous Equivalent

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming963Residential2, 2014ProvedYear Jan Feb MarNGPL Production, Gaseous

  8. GS Equivalency Chart

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformation Current HABFESOpportunities Nuclear PhysicsGE Global

  9. A reconsideration of the noise equivalent power and the data analysis procedure for the infrared imaging video bolometers

    SciTech Connect (OSTI)

    Pandya, Shwetang N. Sano, Ryuichi; Peterson, Byron J.; Kobayashi, Masahiro; Mukai, Kiyofumi; Pandya, Santosh P.

    2014-12-15

    The infrared imaging video bolometer (IRVB) used for measurement of the two-dimensional (2D) radiation profiles from the Large Helical Device has been significantly upgraded recently to improve its signal to noise ratio, sensitivity, and calibration, which ultimately provides quantitative measurements of the radiation from the plasma. The reliability of the quantified data needs to be established by various checks. The noise estimates also need to be revised and more realistic values need to be established. It is shown that the 2D heat diffusion equation can be used for estimating the power falling on the IRVB foil, even with a significant amount of spatial variation in the thermal diffusivity across the area of the platinum foil found experimentally during foil calibration. The equation for the noise equivalent power density (NEPD) is re-derived to include the errors in the measurement of the thermophysical and the optical properties of the IRVB foil. The theoretical value estimated using this newly derived equation matches closely, within 5.5%, with the mean experimental value. The change in the contribution of each error term of the NEPD equation with rising foil temperature is also studied and the blackbody term is found to dominate the other terms at elevated operating temperatures. The IRVB foil is also sensitive to the charge exchange (CX) neutrals escaping from the plasma. The CX neutral contribution is estimated to be marginally higher than the noise equivalent power (NEP) of the IRVB. It is also established that the radiation measured by the IRVB originates from the impurity line radiation from the plasma and not from the heated divertor tiles. The change in the power density due to noise reduction measures such as data smoothing and averaging is found to be comparable to the IRVB NEPD. The precautions that need to be considered during background subtraction are also discussed with experimental illustrations. Finally, the analysis algorithm with all the improvements is validated and found to reproduce the input power well within 10% accuracy. This article answers many fundamental questions relevant to the IRVB and illustrates the care to be exercised while processing the IRVB data.

  10. Second test of base hydrolysate decomposition in a 0.04 gallon per minute scale reactor

    SciTech Connect (OSTI)

    Cena, R.J.; Thorsness, C.B.; Coburn, T.T.; Watkins, B.E.

    1994-10-11

    LLNL has built and operated a pilot plant for processing oil shale using recirculating hot solids. This pilot plant, was adapted in 1993 to demonstrate the feasibility of decomposing base hydrolysate, a mixture of sodium nitrite, sodium formate and other constituents. This material is the waste stream from the base hydrolysis process for destruction of energetic materials. In the Livermore process, the waste feed is thermally treated in a moving packed bed of ceramic spheres, where constituents in the waste decompose, in the presence of carbon dioxide, to form solid sodium carbonate and a suite of gases including: methane, carbon monoxide, oxygen, nitrogen oxides, ammonia and possibly molecular nitrogen. The ceramic spheres are circulated and heated, providing the energy required for thermal decomposition. The spheres provide a large surface area for evaporation and decomposition to occur, avoiding sticking and agglomeration of the waste. We performed a 2.5 hour test of the solids recirculation system, with continuous injection of approximately 0.04 gal/min of waste. Gasses from the packed bed reactor were directed through the lift pipe and water was not condensed. Potassium carbonate (0.356 M) was added to the hydrolysate prior to its introduction to the retort. Continuous on-line gas analysis was invaluable in tracking the progress of the experiment and quantifying the decomposition products. Analyses showed the primary solid product, collected in the lift exit cyclone, was indeed sodium carbonate, as expected. For the reactor condition studied in this test, N{sub 2}O was found to be the primary nitrogen bearing gas species. In the test, approximately equal quantities of ammonia and nitrogen bearing oxide gases were produced. Under proper conditions, this ammonia and NO{sub x} can be recombined downstream to form N{sub 2} and O{sub 2} as the primary effluent gases.

  11. eGallon and Electric Vehicle Sales: The Big Picture | Department...

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

    electricity prices. The state gasoline price above is either the statewide average retail price or a multi-state regional average price reported by EIA. The latest gasoline...

  12. Fact #676: May 23, 2011 U.S. Refiners Produce about 19 Gallons...

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

    19.36 43.3% Diesel 10.04 22.4% Jet Fuel 3.91 8.7% Liquefied Petroleum Gases 1.72 3.8% Heavy Fuel Oil 1.68 3.8% Other Distillates 1.24 2.8% Other Products 6.80 15.2% Total 44.75...

  13. 40 Gallon Challenge issues a call to reduce residential water use 

    E-Print Network [OSTI]

    Heinrich, Katie

    2013-01-01

    -copy pledge. ?e pledge sheet is divided into indoor and outdoor categories and allows participants to check-o? new practices or actions they will do to save water. ?e indoor category includes practices such as running the dishwasher only when full... conservation techniques INDOORS OUTDOORS Run the dishwasher only when full: saves Not leave water running while rinsing dishes: saves Fix a leaky toilet: saves Fill bathtub half full while bathing: (per person) saves Reduce irrigation runtime by 2...

  14. eGallon: What It Is and Why It's Important | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-Sessions |discussed howCommercial Localwas performed7-97) PreviousLevi Tillemann

  15. "Table 11. Fuel Economy, Selected Survey Years (Miles Per Gallon)"

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames City of",6,1,"Omaha Public PowerOECD/IEA - 2008 © OECD/IEA - 2008 © OECD/IEA - 20086,1,195,"AlabamaGreenhouse Gases andFuel

  16. The eGallon: How Much Cheaper Is It to Drive on Electricity? | Department

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power AdministrationRobust,Field-effectWorking With U.S.Week DayDr. Jeffrey publication of the Groupof Energy The

  17. eGallon and Electric Vehicle Sales: The Big Picture | Department of Energy

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power AdministrationRobust,Field-effectWorkingLos AlamosSimulationdetonationdustin crandalleAppraisaleGIS

  18. Fact #809: December 23, 2013 What Do We Pay for in a Gallon of Gasoline? |

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum12, 2015Executive Order14, 20111,FY 2007TrafficDepartment of1975-2012

  19. The eGallon: How Much Cheaper Is It to Drive on Electricity? | Department

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LIST OF APPLICABLEStatutory Authority J-I-12 GeVAuditThe Smartwith Clean Energyof

  20. Reducing Petroleum, One Billion Gallons at a Time | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested PartiesBuildingBudgetFinancial Opportunities » Pastams AG 2015ersedReducing

  1. SRS Workers Moved Millions of Gallons of High-Level Waste Safely in 2014 |

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterestedReplacement-2-AA-1 SECTION J APPENDIXAllegations Related toSRSDepartment of

  2. Workers Pour 1 Million Gallons of Grout into Massive Tanks | Department of

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann Jackson About1996HowFOAShowingFuelWeatherize »EvePlant | Department of

  3. Energy Department Releases Updated eGallon Prices as Electric Vehicle Sales

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann JacksonDepartment ofOffice ofofWind Projects |EnergyAll 50 States | DepartmentDouble |

  4. U.S. gasoline price expected to drop further below $3 per gallon

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry NaturalPrices Globaldiesel fuel7, 2015 U.S.6,long version)Declining

  5. U.S. gasoline price expected to drop further below $3 per gallon

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry NaturalPrices Globaldiesel fuel7, 2015 U.S.6,long

  6. U.S. gasoline price expected to drop further below $3 per gallon

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry NaturalPrices Globaldiesel fuel7, 2015 U.S.6,longU.S. households to

  7. How Much Energy Does It Take to Make a Gallon of Soydiesel

    Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative Fuels Data Center Home PageBlender PumpVehiclesThe Heat IsHeavy-Duty Waste Hauler

  8. Gasoline price forecast to stay below 3 dollar a gallon in 2015

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry Natural GasNatural GasEIA lowers 2015ValuesEFuel OilDiesel

  9. Parsing ERK Activation Reveals Quantitatively Equivalent Contributions From Epidermal Growth Factor Receptor and HER2 In Human Mammary Epithelial Cells

    SciTech Connect (OSTI)

    Hendriks, Bart S.; Orr, Galya; Wells, Alan H.; Wiley, H. S.; Lauffenburger, Douglas A.

    2005-02-18

    HER2, a member of the EGFR tyrosine kinase family, functions as an accessory EGFR signaling component and alters EGFR trafficking by heterodimerization. HER2 overexpression leads to aberrant cell behavior including enhanced proliferation and motility. Here we apply a combination of computational modeling and quantitative experimental studies of the dynamic interactions between EGFR and HER2, and their downstream activation of extracellular signal-related kinase (ERK) to understand this complex signaling system. Using cells expressing different levels of HER2 relative to the EGFR, we can separate relative contributions of EGFR and HER2 to signaling amplitude and duration. Based on our model calculations, we demonstrate that, in contrast with previous suggestions in the literature, the intrinsic capabilities of EGFR and HER2 to activated ERK are quantitatively equivalent . We find that HER2-mediated effects on EGFR dimerization and trafficking are sufficient to explain the detected HER2-mediated amplification of EGF-induced ERK signaling. Our model suggests that transient amplification of ERK activity by HER2 arises predominantly from the 2-to-1 stoichiometry of receptor kinase to bound ligand in EGFR/HER2 heterodimers compared to the 1-to-1 stoichiometry of the EGFR homodimer, but alterations in receptor trafficking, with resultant EGFR sparing, cause the sustained HER2-mediated enhancement of ERK signaling.

  10. Dark energy and Equivalence Principle constraints from astrophysical tests of the stability of the fine-structure constant

    E-Print Network [OSTI]

    C. J. A. P. Martins; A. M. M. Pinho; R. F. C. Alves; M. Pino; C. I. S. A. Rocha; M. von Wietersheim

    2015-08-25

    Astrophysical tests of the stability of fundamental couplings, such as the fine-structure constant $\\alpha$, are becoming an increasingly powerful probe of new physics. Here we discuss how these measurements, combined with local atomic clock tests and Type Ia supernova and Hubble parameter data, constrain the simplest class of dynamical dark energy models where the same degree of freedom is assumed to provide both the dark energy and (through a dimensionless coupling, $\\zeta$, to the electromagnetic sector) the $\\alpha$ variation. Specifically, current data tightly constrains a combination of $\\zeta$ and the present dark energy equation of state $w_0$. Moreover, in these models the new degree of freedom inevitably couples to nucleons (through the $\\alpha$ dependence of their masses) and leads to violations of the Weak Equivalence Principle. We obtain indirect bounds on the E\\"otv\\"os parameter $\\eta$ that are typically stronger than the current direct ones. We discuss the model-dependence of our results and briefly comment on how the forthcoming generation of high-resolution ultra-stable spectrographs will enable significantly tighter constraints.

  11. On the equivalent width of the Fe K$\\alpha$ line produced by a dusty absorber in active galactic nuclei

    E-Print Network [OSTI]

    Gohil, Raj

    2015-01-01

    Obscured AGNs provide an opportunity to study the material surrounding the central engine. Geometric and physical constraints on the absorber can be deduced from the reprocessed AGN emission. In particular, the obscuring gas may reprocess the nuclear X-ray emission producing a narrow Fe K$\\alpha$ line and a Compton reflection hump. In recent years, models of the X-ray reflection from an obscuring torus have been computed; however, although the reflecting gas may be dusty, the models do not yet take into account the effects of dust on the predicted spectrum. We study this problem by analyzing two sets of models, with and without the presence of dust, using the one dimensional photo-ionization code Cloudy. The calculations are performed for a range of column densities ($22 <{\\rm log}[N_H(\\rm cm^{-2})]< 24.5$ ) and hydrogen densities ( $6 <{\\rm log}[n_H(\\rm cm^{-3})]< 8$). The calculations show the presence of dust can enhance the Fe K$\\alpha$ equivalent width (EW) in the reflected spectrum by factor...

  12. ISET Journal of Earthquake Technology, Paper No. 441, Vol. 41, No. 1, March 2004, pp. 75-99 EQUIVALENT ELASTIC MODELING FOR THE DIRECT-

    E-Print Network [OSTI]

    Gupta, Vinay Kumar

    -99 EQUIVALENT ELASTIC MODELING FOR THE DIRECT- DISPLACEMENT-BASED SEISMIC DESIGN OF WOOD STRUCTURES Andre Willingdon Avenue, Burnaby B.C., Canada V5G-3H2 ABSTRACT Direct-displacement seismic design assumes into account in the direct-displacement based seismic design procedure for light-frame wood buildings. KEYWORDS

  13. Probing New Limits for the Violation of the Equivalence Principle in the solar-reactor neutrino sector as a next to leading order effect

    E-Print Network [OSTI]

    G. A. Valdiviesso; M. M. Guzzo; P. C. Holanda

    2013-12-06

    New limits for the Violation of Equivalence Principle (VEP) are obtained considering the mass-flavor mixing hypothesis. This analysis includes observations of solar and reactor neutrinos and has obtained a limit for the VEP parameter $|\\Delta \\gamma|$ contributing to the $\

  14. Gauge Fixing in the Maxwell Like Gravitational Theory in Minkowski Spacetime and in the Equivalent Lorentzian Spacetime

    E-Print Network [OSTI]

    Roldao da Rocha; Waldyr A. Rodrigues Jr

    2014-12-12

    In a previous paper we investigate a Lagrangian field theory for the gravitational field (which is there represented by a section g^a of the orthonormal coframe bundle over Minkowski spacetime. Such theory, under appropriate conditions, has been proved to be equivalent to a Lorentzian spacetime structure, where the metric tensor satisfies Einstein field equations. Here, we first recall that according to quantum field theory ideas gravitation is described by a Lagrangian theory of a possible massive graviton field (generated by matter fields and coupling also to itself) living in Minkowski spacetime. The graviton field is moreover supposed to be represented by a symmetric tensor field h carrying the representations of spin two and zero of the Lorentz group. Such a field, then (as it is well known), must necessarily satisfy the gauge condition given by Eq.(3) below. Next, we introduce an ansatz relating h to the 1-form fields g^a. Then, using the Clifford bundle formalism we derive, from our Lagrangian theory, the exact wave equation for the graviton and investigate the role of the gauge condition given by Eq.(3) in obtaining a reliable conservation law for the energy-momentum tensor of the gravitational plus the matter fields in Minkowski spacetime. Finally we ask the question: does Eq.(3) fix any gauge condition for the field g of the effective Lorentzian spacetime structure that represents the field h in our theory? We show that no gauge condition is fixed a priory, as is the case in General Relativity. Moreover we investigate under which conditions we may fix Logunov gauge condition.

  15. Analysis of Class 8 Hybrid-Electric Truck Technologies Using Diesel, LNG, Electricity, and Hydrogen, as the Fuel for Various Applications

    E-Print Network [OSTI]

    Zhao, Hengbing

    2013-01-01

    Electric Drivetrain Electric Drivetrain Conv. DieselDiesel Hyb. Conv. LNG-SI LNG-SI Hyb. Conv. LNG-CI LNG-CICompression Ignition Carbon Dioxide Diesel Gallon Equivalent

  16. DTE Energy Video (Text Version) | Department of Energy

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

    than 1.00 per gallon of gasoline equivalent; Electric vehicles have a lower carbon footprint; Electricity is a domestic fuel source. Plugging in a vehicle is simple. Many...

  17. BONNEVILLE POWER ADMINISTRATION FOR IMMEDIATE RELEASE

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

    (maf). One acre-foot is a volume of water equivalent to one acre covered one foot deep with water - it's a little more than 325,000 gallons. The Northwest River Forecast...

  18. Plug-in Hybrid Powertrain Modeling Scott J. Moura, Hosam K. Fathy, Duncan S. Callaway, Jeffrey L. Stein Slide 1 of 15

    E-Print Network [OSTI]

    Krstic, Miroslav

    ) decreases the cost per gallon of gasoline equivalent. Chevrolet Volt Concept Car at 2007 NAIAS Source with "blending"? Problem Statement Develop a control-oriented model of sufficient fidelity and minimal complexity

  19. Waste-To-Energy Techno-Economic Analysis and Life-Cycle Analysis...

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

    equivalent gallons can fill a gap of the current BETO portfolio (13 of current biofuel production or 17 of 2022 biofuel mandates by EISA) WTE (especially biogas) has a...

  20. SBIR/STTR Phase I Technical Topics for FY15 Announced - Webinar...

    Office of Environmental Management (EM)

    and delivering hydrogen to less than 4 per gallon of gasoline equivalent (gge) to enable fuel cell vehicles to be competitive with gasoline vehicles. Key fuel cell objectives are...

  1. Fact #779: May 13, 2013 EPA's Top Ten Rated Vehicles List for...

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

    (Miles Per Gallon equivalent) while the midsize Nissan Leaf comes in at number four. The Tesla Model S is a large sedan and comes with two battery pack options (60 kW-hr and 85...

  2. The effect of biofuel on the international oil market

    E-Print Network [OSTI]

    Hochman, Gal; Rajagopal, Deepak; Zilberman, David D.

    2010-01-01

    whereas a gallon of biodiesel is equivalent to 1.04 gallonsthat global ethanol and biodiesel GEG equal 10.9 billionto crude oil, biofuels, and biodiesel, and does not include

  3. Fact #682: July 4, 2011 Federal Alternative Fuel Use

    Broader source: Energy.gov [DOE]

    The Federal Government used nearly 9 million gasoline-gallon equivalents of alternative fuel in 2010. The majority of the fuel used (92%) was E-85, a combination of 85% ethanol and 15% gasoline....

  4. Equivalence of ADM Hamiltonian and Effective Field Theory approaches at next-to-next-to-leading order spin1-spin2 coupling of binary inspirals

    SciTech Connect (OSTI)

    Levi, Michele [Institut d'Astrophysique de Paris, Université Pierre et Marie Curie, CNRS-UMR 7095, 98 bis Boulevard Arago, 75014 Paris (France); Steinhoff, Jan, E-mail: michele.levi@upmc.fr, E-mail: jan.steinhoff@ist.utl.pt [Centro Multidisciplinar de Astrofisica, Instituto Superior Tecnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa (Portugal)

    2014-12-01

    The next-to-next-to-leading order spin1-spin2 potential for an inspiralling binary, that is essential for accuracy to fourth post-Newtonian order, if both components in the binary are spinning rapidly, has been recently derived independently via the ADM Hamiltonian and the Effective Field Theory approaches, using different gauges and variables. Here we show the complete physical equivalence of the two results, thereby we first prove the equivalence of the ADM Hamiltonian and the Effective Field Theory approaches at next-to-next-to-leading order with the inclusion of spins. The main difficulty in the spinning sectors, which also prescribes the manner in which the comparison of the two results is tackled here, is the existence of redundant unphysical spin degrees of freedom, associated with the spin gauge choice of a point within the extended spinning object for its representative worldline. After gauge fixing and eliminating the unphysical degrees of freedom of the spin and its conjugate at the level of the action, we arrive at curved spacetime generalizations of the Newton-Wigner variables in closed form, which can also be used to obtain further Hamiltonians, based on an Effective Field Theory formulation and computation. Finally, we make use of our validated result to provide gauge invariant relations among the binding energy, angular momentum, and orbital frequency of an inspiralling binary with generic compact spinning components to fourth post-Newtonian order, including all known sectors up to date.

  5. Low loss factor Co{sub 2}Z ferrite composites with equivalent permittivity and permeability for ultra-high frequency applications

    SciTech Connect (OSTI)

    Su, Zhijuan; Chang, Hong; Sokolov, Alexander S.; Hu, Bolin; Chen, Yajie, E-mail: y.chen@neu.edu; Harris, Vincent G. [Center for Microwave Magnetic Materials and Integrated Circuits, Northeastern University, Boston, Massachusetts 02115, USA and the Department of Electrical and Computer Engineering, Northeastern University, Boston, Massachusetts 02115 (United States); Wang, Xian [Center for Microwave Magnetic Materials and Integrated Circuits, Northeastern University, Boston, Massachusetts 02115, USA and the Department of Electrical and Computer Engineering, Northeastern University, Boston, Massachusetts 02115 (United States); School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074 (China)

    2014-08-11

    Ferrite composites of nominal composition Ba{sub 3}Co{sub 2+x}Ir{sub x}Fe{sub 24?2x}O{sub 41} were studied in order to achieve low magnetic and dielectric losses and equivalent permittivity and permeability over a frequency range of 0.3–1?GHz. Crystallographic structure was characterized by X-ray diffraction, which revealed a Z-type phase accompanied by increasing amounts of Y-type phase as the iridium amount was increased. The measured microwave dielectric and magnetic properties showed that the loss tan??{sub ?} and loss tan??{sub ?} decreased by 80% and 90% at 0.8?GHz with the addition of iridium of x?=?0.12 and 0.15, respectively. An effective medium approximation was adopted to analyze the composite ferrites having mixed phase structures. Moreover, adding Bi{sub 2}O{sub 3} enabled equivalent values of real permittivity and real permeability over the studied frequency range. The resultant data give rise to low loss factors, i.e., tan??{sub ?}/???=?0.008 and tan??{sub ?}/???=?0.037 at 0.8?GHz, while characteristic impedance was the same as that of free space.

  6. Demonstrating 1 nm-oxide-equivalent-thickness HfO{sub 2}/InSb structure with unpinning Fermi level and low gate leakage current density

    SciTech Connect (OSTI)

    Trinh, Hai-Dang [Department of Materials Science and Engineering, National Chiao Tung University, 1001 University Road, Hsinchu, Taiwan (China) [Department of Materials Science and Engineering, National Chiao Tung University, 1001 University Road, Hsinchu, Taiwan (China); Department of Physics, Hanoi National University of Education, 136 Xuan Thuy, Cau Giay, Hanoi (Viet Nam); Lin, Yueh-Chin; Nguyen, Hong-Quan; Luc, Quang-Ho [Department of Materials Science and Engineering, National Chiao Tung University, 1001 University Road, Hsinchu, Taiwan (China)] [Department of Materials Science and Engineering, National Chiao Tung University, 1001 University Road, Hsinchu, Taiwan (China); Nguyen, Minh-Thuy; Duong, Quoc-Van; Nguyen, Manh-Nghia [Department of Physics, Hanoi National University of Education, 136 Xuan Thuy, Cau Giay, Hanoi (Viet Nam)] [Department of Physics, Hanoi National University of Education, 136 Xuan Thuy, Cau Giay, Hanoi (Viet Nam); Wang, Shin-Yuan [Department of Electronic Engineering, National Chiao Tung University 1001, University Rd., Hsinchu 300, Taiwan (China)] [Department of Electronic Engineering, National Chiao Tung University 1001, University Rd., Hsinchu 300, Taiwan (China); Yi Chang, Edward [Department of Materials Science and Engineering, National Chiao Tung University, 1001 University Road, Hsinchu, Taiwan (China) [Department of Materials Science and Engineering, National Chiao Tung University, 1001 University Road, Hsinchu, Taiwan (China); Department of Electronic Engineering, National Chiao Tung University 1001, University Rd., Hsinchu 300, Taiwan (China)

    2013-09-30

    In this work, the band alignment, interface, and electrical characteristics of HfO{sub 2}/InSb metal-oxide-semiconductor structure have been investigated. By using x-ray photoelectron spectroscopy analysis, the conduction band offset of 1.78 ± 0.1 eV and valence band offset of 3.35 ± 0.1 eV have been extracted. The transmission electron microscopy analysis has shown that HfO{sub 2} layer would be a good diffusion barrier for InSb. As a result, 1 nm equivalent-oxide-thickness in the 4 nm HfO{sub 2}/InSb structure has been demonstrated with unpinning Fermi level and low leakage current of 10{sup ?4} A/cm{sup ?2}. The D{sub it} value of smaller than 10{sup 12} eV{sup ?1}cm{sup ?2} has been obtained using conduction method.

  7. Can biophysics tell us something about the weak equivalence principle vis a vis the thought experiment of Einstein involving human subjects?

    E-Print Network [OSTI]

    Fred H. Thaheld

    2009-06-16

    Over a period of several decades it has been noticed that most astronauts, either orbiting the earth or on trips to the moon, have observed phosphenes or light flashes (LF) including streaks, spots and clouds of light when their eyes are closed or they are in a darkened cabin. Scientists suspect that two separate components of cosmic rays cause these flashes due to direct interaction with the retina. This phenomenon is not noticed on the ground because of cosmic ray interaction with the atmosphere. The argument is advanced that this effect may provide us with a new method of exploring the weak equivalence principle from the standpoint of Einstein's original thought experiment involving human subjects. This can be done, utilizing the retina only, as an animate quantum mechanical measuring device or, in conjunction with the Anomalous Long Term Effects on Astronauts (ALTEA) facility.

  8. TECHNICAL BASIS FOR DOE STANDARD 3013 EQUIVALENCY SUPPORTING REDUCED TEMPERATURE STABILIZATION OF OXALATE-DERIVED PLUTONIUM OXIDE PRODUCED BY THE HB-LINE FACILITY AT SAVANNAH RIVER SITE

    SciTech Connect (OSTI)

    Duffey, J.; Livingston, R.; Berg, J.; Veirs, D.

    2012-07-02

    The HB-Line (HBL) facility at the Savannah River Site (SRS) is designed to produce high-purity plutonium dioxide (PuO{sub 2}) which is suitable for future use in production of Mixed Oxide (MOX) fuel. The MOX Fuel Fabrication Facility (MFFF) requires PuO{sub 2} feed to be packaged per the U.S. Department of Energy (DOE) Standard 3013 (DOE-STD-3013) to comply with the facility's safety basis. The stabilization conditions imposed by DOE-STD-3013 for PuO{sub 2} (i.e., 950 C for 2 hours) preclude use of the HBL PuO{sub 2} in direct fuel fabrication and reduce the value of the HBL product as MFFF feedstock. Consequently, HBL initiated a technical evaluation to define acceptable operating conditions for production of high-purity PuO{sub 2} that fulfills the DOE-STD-3013 criteria for safe storage. The purpose of this document is to demonstrate that within the defined operating conditions, the HBL process will be equivalent for meeting the requirements of the DOE-STD-3013 stabilization process for plutonium-bearing materials from the DOE complex. The proposed 3013 equivalency reduces the prescribed stabilization temperature for high-purity PuO{sub 2} from oxalate precipitation processes from 950 C to 640 C and places a limit of 60% on the relative humidity (RH) at the lowest material temperature. The equivalency is limited to material produced using the HBL established flow sheet, for example, nitric acid anion exchange and Pu(IV) direct strike oxalate precipitation with stabilization at a minimum temperature of 640 C for four hours (h). The product purity must meet the MFFF acceptance criteria of 23,600 {micro}g/g Pu (i.e., 2.1 wt %) total impurities and chloride content less than 250 {micro}g/g of Pu. All other stabilization and packaging criteria identified by DOE-STD-3013-2012 or earlier revisions of the standard apply. Based on the evaluation of test data discussed in this document, the expert judgment of the authors supports packaging the HBL product under a 3013 equivalency. Under the defined process conditions and associated material specifications, the high-purity PuO{sub 2} produced in HBL presents no unique safety concerns for packaging or storage in the 3013 required configuration. The PuO{sub 2} produced using the HBL flow sheet conditions will have a higher specific surface area (SSA) than PuO{sub 2} stabilized at 950 C and, consequently, under identical conditions will adsorb more water from the atmosphere. The greatest challenge to HBL operators will be controlling moisture content below 0.5 wt %. However, even at the 0.5 wt % moisture limit, the maximum acceptable pressure of a stoichiometric mixture of hydrogen and oxygen in the 3013 container is greater than the maximum possible pressure for the HBL PuO{sub 2} product.

  9. SU-E-T-411: Characterization of Novel Water-Equivalent PRESAGE for Megavoltage and Kilovoltage X-Ray Beam Dosimetry

    SciTech Connect (OSTI)

    Alqathami, M; Ibbott, G; Blencowe, A

    2014-06-01

    Purpose: To introduce and characterize novel water-equivalent PRESAGE dosimeters for megavoltage and kilovoltage X-ray beam dosimetry. Methods: Three novel metal-optimized PRESAGE dosimeters referred to as MO-PRESAGE 1, 2 and 3 were formulated. The radiological properties were key factors that were considered when formulating the new dosimeters. All formulations were prepared in spectrophotometric cuvettes, irradiated with a 6 MV X-ray beam, and the change in optical density was measured using a spectrophotometer. Their sensitivity, post-response stability, and water equivalency were investigated. Results: The results showed that all three formulations exhibited radiological properties closer to water than any of the commercially available PRESAGE formulations. For example, the novel MO-PRESAGE 1, 2 and 3 have mass densities only 3.9-4.4% higher than that of water, whereas the mass density for the commercial formulation is 5.3% higher. The novel formulations have almost identical Zeff values to that of water (7.42), while the Zeff for the commercial formulation was 3.7% higher than that of water. In addition, the MO-PRESAGE 3 formulation showed mass and energy attenuation coefficients that deviated from those of water by less than 50% relative to the commercial formulation. Furthermore, the reduced Zeff of the three different MOPRESAGE formulations resulted in a maximum variation in the probability of photoelectric absorption of 1.3 times than of water, compared to 1.8 times that of water for the commercial formulation. MO-PRESAGE 3 was also more sensitive to radiation than the other two new formulations introduced in this work due to the presence of alkylbromide radical initiators in the MO-PRESAGE 3 formulation. Conclusion: All three novel MOPRESAGE dosimeter formulations displayed excellent radiological properties, superior to any of the commercially available PRESAGE formulations and thus can be used for the dosimetry of clinical megavoltage and kilovoltage X-ray beams.

  10. Dose-equivalent neutron dosimeter

    DOE Patents [OSTI]

    Griffith, R.V.; Hankins, D.E.; Tomasino, L.; Gomaa, M.A.M.

    1981-01-07

    A neutron dosimeter is disclosed which provides a single measurement indicating the amount of potential biological damage resulting from the neutron exposure of the wearer, for a wide range of neutron energies. The dosimeter includes a detecting sheet of track etch detecting material such as a carbonate plastic, for detecting higher energy neutrons, and a radiator layer contaning conversion material such as /sup 6/Li and /sup 10/B lying adjacent to the detecting sheet for converting moderate energy neutrons to alpha particles that produce tracks in the adjacent detecting sheet.

  11. APPROXIMATELY UNITARILY EQUIVALENT MORPHISMS AND ...

    E-Print Network [OSTI]

    2010-07-28

    ?(a) = diag(a(x)1,...,a(xk)), then we say that ? and ? are approximately unitarily ... Mr?1(C(X)) and a unital ?-homomorphism µ : C(X) ? Mr(C(X)) with finite.

  12. Langerhans Lab Protocols 5-20gallonTankMaintenance.docx 7/17/14 Page 1 of 2

    E-Print Network [OSTI]

    Langerhans, Brian

    (see instruction manual). Water changes and filter maintenance frequency will vary among tanks depending on the number of inhabitants, duration of filter media use, water quality test results (see water the tank lid. 3. Remove the filter, being careful not to allow water in the filter reservoir to enter

  13. U.S. diesel fuel price forecast to be 1 penny lower this summer at $3.94 a gallon

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry NaturalPrices Globaldiesel fuel prices continue to5, 2014

  14. U.S. summer gasoline price to average 6 cents lower than last year at $3.63 a gallon

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry NaturalPrices Globaldieselgasolinemonthlysummer gasoline price to

  15. High quality HfO{sub 2}/p-GaSb(001) metal-oxide-semiconductor capacitors with 0.8?nm equivalent oxide thickness

    SciTech Connect (OSTI)

    Barth, Michael; Datta, Suman; Bruce Rayner, G.; McDonnell, Stephen; Wallace, Robert M.; Bennett, Brian R.; Engel-Herbert, Roman

    2014-12-01

    We investigate in-situ cleaning of GaSb surfaces and its effect on the electrical performance of p-type GaSb metal-oxide-semiconductor capacitor (MOSCAP) using a remote hydrogen plasma. Ultrathin HfO{sub 2} films grown by atomic layer deposition were used as a high permittivity gate dielectric. Compared to conventional ex-situ chemical cleaning methods, the in-situ GaSb surface treatment resulted in a drastic improvement in the impedance characteristics of the MOSCAPs, directly evidencing a much lower interface trap density and enhanced Fermi level movement efficiency. We demonstrate that by using a combination of ex-situ and in-situ surface cleaning steps, aggressively scaled HfO{sub 2}/p-GaSb MOSCAP structures with a low equivalent oxide thickness of 0.8?nm and efficient gate modulation of the surface potential are achieved, allowing to push the Fermi level far away from the valence band edge high up into the band gap of GaSb.

  16. STATUS OF GEOTHERMAL RESERVOIR ENGINEERING MANAGEMENT PROGRAM ("GREMP") -DECEMBER, 1979

    E-Print Network [OSTI]

    Howard, J. H.

    2012-01-01

    DOE), Division of Geothermal Energy (DGE) proposed thatof Energy, Division of Geothermal Energy, through Lawrence

  17. Plutonium Equivalent Inventory for Belowground Radioactive Waste at the Los Alamos National Laboratory Technical Area 54, Area G Disposal Facility - Fiscal Year 2011

    SciTech Connect (OSTI)

    French, Sean B.; Shuman, Rob

    2012-04-18

    The Los Alamos National Laboratory (LANL) generates radioactive waste as a result of various activities. Many aspects of the management of this waste are conducted at Technical Area 54 (TA-54); Area G plays a key role in these management activities as the Laboratory's only disposal facility for low-level radioactive waste (LLW). Furthermore, Area G serves as a staging area for transuranic (TRU) waste that will be shipped to the Waste Isolation Pilot Plant for disposal. A portion of this TRU waste is retrievably stored in pits, trenches, and shafts. The radioactive waste disposed of or stored at Area G poses potential short- and long-term risks to workers at the disposal facility and to members of the public. These risks are directly proportional to the radionuclide inventories in the waste. The Area G performance assessment and composite analysis (LANL, 2008a) project long-term risks to members of the public; short-term risks to workers and members of the public, such as those posed by accidents, are addressed by the Area G Documented Safety Analysis (LANL, 2011a). The Documented Safety Analysis uses an inventory expressed in terms of plutonium-equivalent curies, referred to as the PE-Ci inventory, to estimate these risks. The Technical Safety Requirements for Technical Area 54, Area G (LANL, 2011b) establishes a belowground radioactive material limit that ensures the cumulative projected inventory authorized for the Area G site is not exceeded. The total belowground radioactive waste inventory limit established for Area G is 110,000 PE-Ci. The PE-Ci inventory is updated annually; this report presents the inventory prepared for 2011. The approach used to estimate the inventory is described in Section 2. The results of the analysis are presented in Section 3.

  18. SU-E-T-403: Measurement of the Neutron Ambient Dose Equivalent From the TrueBeam Linac Head and Varian 2100 Clinac

    SciTech Connect (OSTI)

    Harvey, M; Pollard, J; Wen, Z; Gao, S

    2014-06-01

    Purpose: High-energy x-ray therapy produces an undesirable source of stray neutron dose to healthy tissues, and thus, poses a risk for second cancer induction years after the primary treatment. Hence, the purpose of this study was to measure the neutron ambient dose equivalent, H*(10), produced from the TrueBeam and Varian 2100 linac heads, respectively. Of particular note is that there is no measured data available in the literature on H*(10) production from the TrueBeam treatment head. Methods: Both linacs were operated in flattening filter mode using a 15 MV x-ray beam on TrueBeam and an 18 MV x-ray beam for the Varian 2100 Clinac with the jaws and multileaf collimators in the fully closed position. A dose delivery rate of 600 MU/min was delivered on the TrueBeam and the Varian 2100 Clinac, respectively and the H*(10) rate was measured in triplicate using the WENDI-2 detector located at multiple positions including isocenter and longitudinal (gun-target) to the isocenter. Results: For each measurement, the H*(10) rate was relatively constant with increasing distance away from the isocenter with standard deviations on the order of a tenth of a mSv/h or less for the given beam energy. In general, fluctuations in the longitudinal H*(10) rate between the anterior-posterior couch directions were approximately a percent for both beam energies. Conclusion: Our preliminary results suggest an H*(10) rate of about 30 mSv/h (40 mSv/h) or less for TrueBeam (Varian Clinac 2100) for all measurements considered in this study indicating a relatively low contribution of produced secondary neutrons to the primary therapeutic beam.

  19. A New approach to inclusive decay spectra.

    E-Print Network [OSTI]

    Gardi, Einan; Andersen, Jeppe R.

    pole mass mb in Eq. (4) — or, equivalently to ?Ż in Eq. (5) — when computing it from the short distance mass (e.g. from mMSb ). (c) Performing an inverse–Mellin integral according to Eq. (4). In general, the calculation of the Sudakov exponent by DGE... : The moment–space Sudakov factor Sud(N,mb), and the corresponding differential spectrum, where the exponent is computed to LL, NLL and NNLL accuracy , as dotdashes, dashes and dots, respectively. In each case the spectrum is matched to the full NLO result...

  20. c33.xls

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

    per Building (gallons) per Square Foot (gallons) per Worker (gallons) per Building (thousand dollars) per Square Foot (dollars) per Gallon (dollars) All Buildings*...

  1. c21.xls

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

    per Building (gallons) per Square Foot (gallons) per Worker (gallons) per Building (thousand dollars) per Square Foot (dollars) per Gallon (dollars) All Buildings...

  2. Sustainability: How Far Are We From Thou?

    E-Print Network [OSTI]

    Patzek, Tadeusz W.

    gallons of hydrocarbons as crude oil equivalents My VW Jetta DTI, drives on this amount of energy for 5, there is little we can do about the accelerating global unsustainability We have not developed a meaningful) of an ecosystem occurs when the entropy production inside the ecosystem is balanced by the entropy export from

  3. BETO Announces Notice of Intent (NOI) to Develop Pathways to Biofuels and Bioproducts

    Office of Energy Efficiency and Renewable Energy (EERE)

    The Energy Department announces its intent to issue, on behalf of the Bioenergy Technologies Office (BETO), a funding opportunity announcement (FOA) entitled “MEGA-BIO: Bioproducts to Enable Biofuels.” This FOA supports BETO’s goal of meeting its 2022 cost target of $3/gallon gasoline equivalent for the production of hydrocarbon fuels from lignocellulosic biomass.

  4. David Stoms, Theresa Nogeire, Frank Davis, and Stephen Kaffka

    E-Print Network [OSTI]

    Jager, Henriette I.

    /section Costs/section Costs/GGE 42010 US-IALE SymposiumDavid Stoms et al. Potential biorefinery Dark = High yield Dark = Low cost Dark = Most efficientGGE: gallons gasoline equivalent #12;Land cover (crops for each species and lock it in solutions Change amount of features in planning unit to net change

  5. Hydrogen Delivery Technical Team Roadmap

    SciTech Connect (OSTI)

    2013-06-01

    The mission of the Hydrogen Delivery Technical Team (HDTT) is to enable the development of hydrogen delivery technologies, which will allow for fuel cell competitiveness with gasoline and hybrid technologies by achieving an as-produced, delivered, and dispensed hydrogen cost of $2-$4 per gallon of gasoline equivalent of hydrogen.

  6. May 14, 2015 ADVANCED PLACEMENT EQUIVALENCIES

    E-Print Network [OSTI]

    Sun, Yi

    99902 3 CO Exempt from Foreign Language requirement Government & Politics US 4 or 5 PSC 10100 3 USED Government & Politics - comp 4 or 5 PSC 10400 3 Italian Language 5 Italian 99902 3 CO Exempt from Foreign requirement Spanish Language 5 SPAN 99902 3 CO Exempt from Foreign Language requirement Spanish Literature 5

  7. COMPLEX HYPERBOLIC MANIFOLDS HOMOTOPY EQUIVALENT TO

    E-Print Network [OSTI]

    Goldman, William

    Institute, the Sonderforschungsbereich 256 in Bonn and the Volkswagen­Stiftung (Research­in­Pairs program

  8. STABILITY OF THE GAUGE EQUIVALENT CLASSES IN ...

    E-Print Network [OSTI]

    2009-05-10

    scattering and the attenuating coefficients up to a gauge transformation. ...... [24] M. Mokhtar-Kharroubi, Mathematical Topics in Neutron Transport Theory, World ...

  9. Snow water equivalent estimation using blackbox optimization

    E-Print Network [OSTI]

    Alarie et al.

    2011-02-23

    Feb 23, 2011 ... passive microwave data (SSM/I sensors). ... and testing of new algorithmic strategies are conducted on the surrogate before .... of the surrogate is very low and testing in a parallel environment is ..... Figure 4: Performance profile [21] for the six selected algorithms .... Shaping the future, annual report 2009.

  10. Asymptotic Unitary Equivalence in KK-Theory

    E-Print Network [OSTI]

    2001-09-17

    Key words: KK-theory, Cuntz pairs, classification of nuclear C?-algebras. 1. ... realizations of KK(A,B) for purely infinite simple nuclear C. ?. -algebras, [Kir94],.

  11. Designating Responsibility for Equivalencies or Exemptions from...

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

    Manager for Environmental Management, Oak Ridge Office (OR); Bryan Bower, Director, West Valley Demonstration Project Office (WVDP), Status: Current Effective Date: Dec 16, 2011...

  12. Time-temperature equivalence in Martensite tempering

    SciTech Connect (OSTI)

    Hackenberg, Robert E.; Thomas, Grant A.; Speer, John G.; Matlock, David K.; Krauss, George

    2008-06-16

    The relationship between time and temperature is of great consequence in many materials-related processes including the tempering of martensite. In 1945, Hollomon and Jaffe quantified the 'degree of tempering' as a function of both tempering time, t, and tempering temperature, T, using the expression, T(log t + c). Here, c is thought to be a material constant and appears to decrease linearly with increasing carbon content. The Hollomon-Jaffe tempering parameter is frequently cited in the literature. This work reviews the original derivation of the tempering parameter concept, and presents the use of the characteristics diffusion distance as an alternative time-temperature relationship during martensite tempering. During the tempering of martensite, interstitial carbon atoms diffuse to form carbides. In addition, austenite decomposes, dislocations and grain boundaries rearrange, associated with iron self diffusion. Since these are all diffusional processes, it is reasonable to expect the degree of tempering to relate to the extent of diffusion.

  13. Bisimulation and Language Equivalence Colin Stirling

    E-Print Network [OSTI]

    Stirling, Colin

    result. 1 #12; u v w s t p q coin coin coin coin coffee tea coffee tea tea a b c d e Figure 1: Simple is a person who wishes to obtain tea. The lan­ guage accepted by u, {coin co#ee, coin tea}, is the same as that accepted by w. When p is placed in parallel with w, p||w, then deadlock is possible before a tea action

  14. Bisimulation and Language Equivalence Colin Stirling

    E-Print Network [OSTI]

    Stirling, Colin

    result. 1 #12;u v w s t p q coin coin coin coin coffee tea coffee tea tea a b c d e Figure 1: Simple is a person who wishes to obtain tea. The lan- guage accepted by u, {coin coffee, coin tea}, is the same as that accepted by w. When p is placed in parallel with w, p||w, then deadlock is possible before a tea action

  15. Approximately unitarily equivalent morphisms and inductive limit ...

    E-Print Network [OSTI]

    then one can drop the ,-homomorphism 71 from condition (b), see Theorem 1.7. .... for all a E F. Set r = sR, r(a) = diag(a(a), 7/krl(a)) and #(a) = ~9(a). Then.

  16. NGPL Production, Gaseous Equivalent at Processing Plants

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming963Residential2, 2014ProvedYear Jan Feb MarNGPL Production, GaseousNGPL

  17. Facility Representative Qualification Equivalencies Based on Previous

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum12, 2015Executive Order14, 20111,FY 2007 FeeFederalFirst2 DOEMeetingExperience |

  18. Structural Integrity Program for the 300,000-Gallon Radioactive Liquid Waste Storage Tanks at the Idaho Nuclear Technology and Engineering Center

    SciTech Connect (OSTI)

    Bryant, Jeffrey W.

    2010-08-12

    This report provides a record of the Structural Integrity Program for the 300,000-gal liquid waste storage tanks and associated equipment at the Idaho Nuclear Technology and Engineering Center, as required by U.S. Department of Energy M 435.1-1, “Radioactive Waste Management Manual.” This equipment is known collectively as the Tank Farm Facility. This report is an update, and replaces the previous report by the same title issued April 2003. The conclusion of this report is that the Tank Farm Facility tanks, vaults, and transfer systems that remain in service for storage are structurally adequate, and are expected to remain structurally adequate over the remainder of their planned service life through 2012. Recommendations are provided for continued monitoring of the Tank Farm Facility.

  19. Mathematical modeling of mixer pump performance for agitation of radioactive slurries in one-million-gallon underground storage tanks at Hanford

    SciTech Connect (OSTI)

    Bamberger, J.A.; Eyler, L.L.; Dodge, R.E.

    1993-04-01

    The objective of this work is to analyze the Hanford Waste Vitrification Project (HWVP) feed preparation tank mixing pump agitation design. This was accomplished by (1) reviewing mixing pump characteristics, (2) performing computer modeling of jet mixing and particulate material transport, (3) evaluating the propensity of the tank and mixing pump design to maintain particulate material in the tank in a uniformly mixed state, and (4) identifying important design parameters required to ensure optimum homogeneity and solids content during batch transfers.

  20. Equivalence demonstration of an alternative cover system 307 EQUIVALENCE DEMONSTRATION OF AN ALTERNATIVE COVER SYSTEM

    E-Print Network [OSTI]

    Zornberg, Jorge G.

    at the Operating Industries, Inc. (OII) Superfund landfill in southern California. Infiltration control of the closure design show that an evapotranspirative cover is feasible at the site for a wide range engineered components of municipal and hazardous waste landfills is the cover system. The cover system should

  1. Energy Information Administration - Commercial Energy Consumption...

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

    2003 Fuel Oil Consumption Fuel Oil Expenditures per Building (gallons) per Square Foot (gallons) per Building (thousand dollars) per Square Foot (dollars) per Gallon...

  2. --No Title--

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

    0. Fuel Oil Consumption (gallons) and Energy Intensities by End Use for Non-Mall Buildings, 2003 Total Fuel Oil Consumption (million gallons) Fuel Oil Energy Intensity (gallons...

  3. c33a.xls

    Gasoline and Diesel Fuel Update (EIA)

    2 per Building (gallons) per Square Foot (gallons) per Building (thousand dollars) per Square Foot (dollars) per Gallon (dollars) All Buildings ......

  4. Comparative Emissions Testing of Vehicles Aged on E0, E15 and E20 Fuels

    SciTech Connect (OSTI)

    Vertin, K.; Glinsky, G.; Reek, A.

    2012-08-01

    The Energy Independence and Security Act passed into law in December 2007 has mandated the use of 36 billion ethanol equivalent gallons per year of renewable fuel by 2022. A primary pathway to achieve this national goal is to increase the amount of ethanol blended into gasoline. This study is part of a multi-laboratory test program coordinated by DOE to evaluate the effect of higher ethanol blends on vehicle exhaust emissions over the lifetime of the vehicle.

  5. AUTHORIZATION TO PURCHASE ALCOHOL Please provide the following information each time alcohol is ordered.

    E-Print Network [OSTI]

    Weiblen, George D

    : ___________________________________________________________________________ __________________________________________________________________________________________ Order Quantity __________ __________ __________ __________ __________ Stock # CX20442 CX20445 CX20460 CX20457 CX20461 Units Pint Gallon 5 Gallon Gallon 5 Gallon Description 200 Proof Ethyl Alcohol (Case of 24

  6. Admit you have a problem with wasting water and commit to the 12 Step Recovery Program

    E-Print Network [OSTI]

    Gleeson, Joseph G.

    the tap. Run the dishwasher (4-6 gallons / load) and washing machine (10- 40 gallons / load) only when

  7. EARTH SCIENCES DIVISION. ANNUAL REPORT 1977.

    E-Print Network [OSTI]

    Witherspoon, P.A.

    2011-01-01

    J. vall Grellnen 3. GEOTHERMAL ENERGY DEVELOPMENT NATIONALof Energy, Division of Geothermal Energy (DOE/DGE). Itsand Tester, J.W. Geothermal Energy as a Source of Electric

  8. Preliminary Economics for Hydrocarbon Fuel Production from Cellulosic Sugars

    SciTech Connect (OSTI)

    Collett, James R.; Meyer, Pimphan A.; Jones, Susanne B.

    2014-05-18

    Biorefinery process and economic models built in CHEMCAD and a preliminary, genome-scale metabolic model for the oleaginous yeast Lipomyces starkeyi were used to simulate the bioconversion of corn stover to lipids, and the upgrading of these hydrocarbon precursors to diesel and jet fuel. The metabolic model was based on the recently released genome sequence for L. starkeyi and on metabolic pathway information from the literature. The process model was based on bioconversion, lipid extraction, and lipid oil upgrading data found in literature, on new laboratory experimental data, and on yield predictions from the preliminary L. starkeyi metabolic model. The current plant gate production cost for a distillate-range hydrocarbon fuel was estimated by the process model Base Case to be $9.5/gallon ($9.0 /gallon of gasoline equivalent) with assumptions of 2011$, 10% internal return on investment, and 2205 ton/day dry feed rate. Opportunities for reducing the cost to below $5.0/gallon, such as improving bioconversion lipid yield and hydrogenation catalyst selectivity, are presented in a Target Case. The process and economic models developed for this work will be updated in 2014 with new experimental data and predictions from a refined metabolic network model for L. starkeyi. Attaining a production cost of $3.0/gallon will require finding higher value uses for lignin other than power generation, such as conversion to additional fuel or to a co-product.

  9. Designating Responsibility for Equivalencies or Exemptions from Department

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would like submit theCovalent BondingMeeting |Design Competitions Designthe 29 th ASMEof Energy

  10. The dual equivalence of equations and coequations for automata

    E-Print Network [OSTI]

    Rutten, Jan

    the Ministerio de Econom´ia y Competitividad (Spanish Government) and the grant 11271085 from the National-2764 from the Ministerio de Educaci´on (Spanish Government) and the grant MTM2014-54707-C3- 1-P from the Ministerio de Econom´ia y Competitividad (Spanish Government) and by an internship from CWI. Departament d

  11. Experimental determination of equivalent circuit parameters for PM synchronous motors

    SciTech Connect (OSTI)

    Consoli, A.; Raciti, A. (Dept. Elettrico Elettronico e Sistemistico, Univ. di Catania, 95125 Catania (IT))

    1992-01-01

    The growing interest in energy savings, especially in industrial applications, has led to explore in more details the potential of unconventional excitation systems for electric machines. The wide spread use of Permanent Magnet materials in dc as well as in synchronous machines, to substitute the excitation circuit, is one of the ways followed to reach this objective. Significative work has been done in order to minimize the volume of the use permanent magnet material, to eliminate the motor behavior limitations due to the fixed value of excitation, to find the best geometries easy to manufacture and also reliable according to the dynamic stresses. A full procedure is presented in this paper to provide a straightforward tool useful for parameter determination of Permanent Magnet Synchronous Motors. Classical tests, that are well established to measure the parameters of synchronous machines with conventional field excitation, are reviewed to confirm or not their applicability. A novel test performed during particular transient conditions allows us to evaluate one of the concerned motor time constants. The motor behavior is simulated by means of a simulation language (ACSL) on a digital computer and several runs in different transient conditions are performed. Comparison of the simulated and experimental waveforms of speeds and currents shows good agreement and confirms the validity of the proposed procedure.

  12. Operation and biasing for single device equivalent to CMOS

    DOE Patents [OSTI]

    Welch, James D. (10328 Pinehurst Ave., Omaha, NE 68124)

    2001-01-01

    Disclosed are semiconductor devices including at least one junction which is rectifying whether the semiconductor is caused to be N or P-type, by the presence of field induced carriers. In particular, inverting and non-inverting gate voltage channel induced semiconductor single devices with operating characteristics similar to conventional multiple device CMOS systems, which can be operated as modulators, are disclosed as are a non-latching SCR and an approach to blocking parasitic currents. Operation of the gate voltage channel induced semiconductor single devices with operating characteristics similar to multiple device CMOS systems under typical bias schemes is described, and simple demonstrative five mask fabrication procedures for the inverting and non-inverting gate voltage channel induced semiconductor single devices with operating characteristics similar to multiple device CMOS systems are also presented.

  13. Derivation of Equivalent Continuous Dilution for Cyclic, Unsteady Driving Forces

    E-Print Network [OSTI]

    Mortensen, Dorthe K.

    2011-01-01

    weather conditions, Renewable Energy Conference '86, Canada,Efficiency and Renewable Energy, Building TechnologiesEnergy Efficiency and Renewable Energy, Building Technology

  14. Scanning multichannel microwave radiometer snow water equivalent assimilation

    E-Print Network [OSTI]

    Walker, Jeff

    ,2 Jeffrey P. Walker,3 Paul R. Houser,4 and Chaojiao Sun2,5 Received 16 February 2006; revised 7 December. Citation: Dong, J., J. P. Walker, P. R. Houser, and C. Sun (2007), Scanning multichannel microwave; Rodell et al., 2004]. [3] Space-borne passive microwave sensors provide an alternate capability

  15. Local and global statistical distances are equivalent on pure states

    E-Print Network [OSTI]

    Scott M. Cohen

    2009-06-10

    The statistical distance between pure quantum states is obtained by finding a measurement that is optimal in a sense defined by Wootters. As such, one may expect that the statistical distance will turn out to be different if the set of possible measurements is restricted in some way. It nonetheless turns out that if the restriction is to local operations and classical communication (LOCC) on any multipartite system, then the statistical distance is the same as it is without restriction, being equal to the angle between the states in Hilbert space.

  16. Equivalent radii of antennas with noncircular cross section 

    E-Print Network [OSTI]

    Su, Charles Wen-Hsun

    1960-01-01

    ~ aizi-z~gz&'&z p(WI-~)&+] PgL Assuming that a point generator maintaini'ng a potential difference QV V. across the input terzninals. since () I() z ? 6 ? when current is 1 only in Z-direction s-j WC P oIZ aAa(?) =- ~z Vsz& -az ) ~ aAZ(-S ~ ' V C... If the antenna under consideration is symmetrical with respect to its center in such a way that the following symmetrical conditions can be satisfied: I (Z) e I (-Z), and A (+Z) e A (-Z) s' K s s Also Then equation (6) can be written as: Az=-~l z ~p, Z, g...

  17. Classification of Ding's Schubert Varieties: Finer Rook Equivalence

    E-Print Network [OSTI]

    Develin, Mike; Martin, Jeremy L.; Reiner, Victor

    2007-02-01

    manifolds, indexed by integer partitions A and in bijection with dominant permutations. He observed that the Schubert cell structure ofX,\\ is indexed by maximal rook placements on the Ferrers board B\\, and that the integral cohomology groups H* (X^; Z), H..., the number Rk(B) of /c-rook placements is the same as Foata and Schiitzenberger [4] solved the problem for the well-behaved subclass of Ferrers boards B\\; these are the usual Ferrers diagrams associated with partitions1 (1) A=(0< Xx <•••< A„), having all...

  18. Landscape Equivalency Analysis: Methodology for Estimating Spatially Explicit Biodiversity Credits

    E-Print Network [OSTI]

    Lupi, Frank

    are required. The Endangered Species Act balances these conflicts based on the cost to replace habitat (Noss and others 1997, Wilcove and others 1998). The in- crease in per capita demand for land (commonly Service (USFWS) 2003) rep- resent two approaches allowing private landowners to partially offset the cost

  19. Stability of the Gauge Equivalent Classes in Inverse Stationary ...

    E-Print Network [OSTI]

    2009-12-02

    scattering and the attenuating coefficients up to a gauge transformation. ...... [24] Mokhtar -K M 1997 Mathematical Topics in Neutron Transport Theory (World ...

  20. Cultural evolution is not equivalent to Darwinian evolution

    E-Print Network [OSTI]

    Read, Dwight W

    2006-01-01

    rounds of microevolution. Evolution & Development, 2(2), 78-An assessment of cul- tural evolution and a new synthesis.variation, and the evolution of culture” by D. Rindos.

  1. Dark-Matter-Induced Violation of the Weak Equivalence Principle

    SciTech Connect (OSTI)

    Carroll, Sean M.; Mantry, Sonny [California Institute of Technology, Pasadena, California 91125 (United States); Ramsey-Musolf, Michael J. [University of Wisconsin-Madison, Madison, Wisconsin 53706 (United States); California Institute of Technology, Pasadena, California 91125 (United States); Stubbs, Christoper W. [Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts 02138 (United States)

    2009-07-03

    A long-range fifth force coupled to dark matter can induce a coupling to ordinary matter if the dark matter interacts with standard model fields. We consider constraints on such a scenario from both astrophysical observations and laboratory experiments. We also examine the case where the dark matter is a weakly interacting massive particle, and derive relations between the coupling to dark matter and the coupling to ordinary matter for different models. Currently, this scenario is most tightly constrained by galactic dynamics, but improvements in Eoetvoes experiments can probe unconstrained regions of parameter space.

  2. Development of design tool for statically equivalent deepwater mooring systems 

    E-Print Network [OSTI]

    Udoh, Ikpoto Enefiok

    2009-05-15

    mooring systems ........................................ 34 1.20 Spread mooring systems ................................................................. 34 2.1 OTRC wave basin and FPSO model ............................................... 37 2... stiffness curves for the Brazilian FPSO .............................. 58 2.11 Free body diagram of elastic cable connecting points A and B ....... 59 2.12 Static stiffness test...

  3. Optimized Design of Statically Equivalent Mooring and Catenary Ryser Systems 

    E-Print Network [OSTI]

    Felix Gonzalez, Ivan

    2015-03-03

    for FPSO applications where all the mooring lines are attached to a turret which allows the vessel to weathervane due to the environmental conditions. The turret can be internal or external to the vessel. iv. Catenary Anchor Leg Mooring (CALM...) This system is used for FPSO applications in shallow waters. It is based on a buoy maintained on location with a catenary mooring line system. The upper part of the buoy can rotate allowing the FPSO to weathervane due to the environmental conditions. v...

  4. FIBERWISE KK-EQUIVALENCE OF CONTINUOUS FIELDS OF C ...

    E-Print Network [OSTI]

    2008-01-04

    Abstract. Let A and B be separable nuclear continuous C(X)-algebras over a fi- nite dimensional compact metrizable space X. It is shown that an element ? of the

  5. Cosolvent-regulated timecomposition rheological equivalence in block copolymer solutions

    E-Print Network [OSTI]

    Khan, Saad A.

    referred to as thermoplastic elastomers7,8 due to their shape-memory capability. Incorporation) yields thermoplastic elastomer gels,9 which are capable of returning to their initial dimensions upon goods and dielectric elastomers.13 Thermoplastic elastomer gels derived specifi- cally from ABA triblock

  6. Equivalent circuits and locus diagrams of salient pole synchronous machines 

    E-Print Network [OSTI]

    Nasar, Syed Abu

    1957-01-01

    the sending- and receiving-end voyages is called the toz'que angle (2) . As the load changes, the torque angle changes, and is of importance in studying power system and machine stability. The referenoe lines (Figure 6) and torque angles are also important... reference phasor and -Sr the lagging power-factor angle, Point N can be located by drawing AEr from ths orig1n o at an angle (P-a) with the negative I-axis. Xn other words, M 1s independent of receiving-end power factox. A study of the triangle MON...

  7. Macroencapsulation Equivalency Guidance for Classified Weapon Components and NNSSWAC Compliance

    SciTech Connect (OSTI)

    Poling, J.

    2012-05-15

    The U.S. Department of Energy (DOE) complex has a surplus of classified legacy weapon components generated over the years with no direct path for disposal. The majority of the components have been held for uncertainty of future use or no identified method of sanitization or disposal. As more weapons are retired, there is an increasing need to reduce the amount of components currently in storage or on hold. A process is currently underway to disposition and dispose of the legacy/retired weapons components across the DOE complex.

  8. Passage Equivalency and Predictive Validity of Oral Reading Fluency Measures

    E-Print Network [OSTI]

    Checca, Christopher Jason

    2012-01-01

    a Response to Intervention (RTI) framework is examined.Measures Response to Intervention (RTI) is a comprehensiveGersten et al. , 2008). The RTI model is part of a paradigm

  9. Equivalent circuit modeling of hybrid electric vehicle drive train 

    E-Print Network [OSTI]

    Routex, Jean-Yves

    2001-01-01

    The main goals of the advanced vehicles designer are to improve efficiency, to decrease emissions and to meet customer's requirements. The design of such vehicles is challenging and cannot efficiently be achieved without an appropriate tool...

  10. Quantum Macrostates, Equivalence of Ensembles and an H-Theorem

    E-Print Network [OSTI]

    for the different macroscopic observables. Deviations from that law are governed by the entropy. KEY WORDS: quantum refers to the then recent work of Pauli, [13, 14], who by using "disorder assumptions" or what we could

  11. Derivation of Equivalent Continuous Dilution for Cyclic, Unsteady Driving Forces

    E-Print Network [OSTI]

    Mortensen, Dorthe K.

    2011-01-01

    where indoor air quality and energy consumption cannot inof view of indoor air quality and energy savings can beindoor air quality and potentially save energy. Different

  12. British General Certificate of Education Subjects: Grade CreditsEquivalents

    E-Print Network [OSTI]

    Dennett, Daniel

    Diplomas British General Certificate of Education A-Level Subjects: Grade Credits *See Subject Credit & Equivaliency Chart International Baccalaureat Advanced Credit Subjects: Score Mathematics 7 1 MATH 0012 *No other subjects are awarded credit for subsidiary level French Baccalaureate

  13. Discovering Quasi-Equivalence Relationships from Database Systems

    E-Print Network [OSTI]

    Chen, Shu-Ching

    . Kashyap School of Electrical and School of Computer Science School of Electrical and Computer Engineering me- dia objects residing in di erent databases for the re- lated data records. As the number to collect and store data of all kinds. However, our ability to interpret and analyze the data is still

  14. Moore-Smith theory for Uniform Spaces through Asymptotic Equivalence

    E-Print Network [OSTI]

    Cuijpers, Pieter

    That limits can be used to characterize a topological space is very well known, and every standard textbook than starting from the usual notion of open set. In this report, we show a variant on that theme]. However, this result did not get included in the standard textbooks. In fact, most of the textbooks do

  15. Reactivity-equivalent physical transformation model for pin cell arrays

    E-Print Network [OSTI]

    Lynch, Steven T. (Steven Tyler)

    2010-01-01

    The behavior of TRISO fuel used in high temperature gas reactors in order to achieve high fuel performance is difficult to model using traditional lattice codes due to the double-heterogeneity effect created by the ...

  16. Part-based Probabilistic Point Matching using Equivalence Constraints 

    E-Print Network [OSTI]

    McNeill, Graham; Vijayakumar, Sethu

    Correspondence algorithms typically struggle with shapes that display part-based variation. We present a probabilistic approach that matches shapes using independent part transformations, where the parts themselves are ...

  17. CP Violation, Neutral Currents, and Weak Equivalence Val L. Fitch

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 OutreachProductswsicloudwsiclouddenDVA N C E D B LReports from the CloudGEGR-N Goods PO 1COOP NO.

  18. Headquarters Facilities Master Security Plan - Chapter 16, Equivalencies

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann Jackson About1996 EMBG-PLN-003611,DepartmentMaterial | DepartmentDepartment of

  19. NGPL Production, Gaseous Equivalent at Processing Plants (Summary)

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming963Residential2, 2014ProvedYear Jan Feb MarNGPL Production,

  20. Alaska--Onshore Natural Gas Plant Liquids Production, Gaseous Equivalent

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)Decade Year-0ProvedDecade2,948 2,724 2,570Month PreviousDry Production

  1. Effects of fracture distribution and length scale on the equivalent

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfate Reducing(Journal Article) | SciTech

  2. Equivalent Continuum Modeling for Shock Wave Propagation in Jointed Media

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfate Reducing(Journal Article) | SciTech(Journal(Patent) |(JournalArticle)(Technical Report) |

  3. Equivalent Continuum Modeling for Shock Wave Propagation in Jointed Media

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfate Reducing(Journal Article) | SciTech(Journal(Patent) |(JournalArticle)(Technical Report)

  4. Headquarters Facilities Master Security Plan - Chapter 16, Equivalencies

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

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

  5. NGPL Production, Gaseous Equivalent at Processing Plants (Summary)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal, Nuclear,Decade Year-03.82 (MillionandIndustrialYear1371,024,082 1,066,366

  6. Process Design and Economics for Conversion of Lignocellulosic Biomass to Ethanol: Thermochemical Pathway by Indirect Gasification and Mixed Alcohol Synthesis

    SciTech Connect (OSTI)

    Dutta, A.; Talmadge, M.; Hensley, J.; Worley, M.; Dudgeon, D.; Barton, D.; Groendijk, P.; Ferrari, D.; Stears, B.; Searcy, E. M.; Wright, C. T.; Hess, J. R.

    2011-05-01

    This design report describes an up-to-date benchmark thermochemical conversion process that incorporates the latest research from NREL and other sources. Building on a design report published in 2007, NREL and its subcontractor Harris Group Inc. performed a complete review of the process design and economic model for a biomass-to-ethanol process via indirect gasification. The conceptual design presented herein considers the economics of ethanol production, assuming the achievement of internal research targets for 2012 and nth-plant costs and financing. The design features a processing capacity of 2,205 U.S. tons (2,000 metric tonnes) of dry biomass per day and an ethanol yield of 83.8 gallons per dry U.S. ton of feedstock. The ethanol selling price corresponding to this design is $2.05 per gallon in 2007 dollars, assuming a 30-year plant life and 40% equity financing with a 10% internal rate of return and the remaining 60% debt financed at 8% interest. This ethanol selling price corresponds to a gasoline equivalent price of $3.11 per gallon based on the relative volumetric energy contents of ethanol and gasoline.

  7. The Cultivar newsletter, Spring/Winter 2007

    E-Print Network [OSTI]

    Center for Agroecology & Sustainable Food Systems

    2007-01-01

    costs** Irrigation water (31,950 gallons 3rd year) Vinegar (50.5 gallons 3rd year) Mulch ($10/yard)Phytamin (10 gallons 3rd year) Total .16 acres per acre

  8. lexm.tex

    E-Print Network [OSTI]

    A fish tank contains 20 gallons of a salt solution with a concentration of 5 grams of salt per gallon. A salt solution with a concentration of 10 grams/gallon is ...

  9. Results of the 2008-09 Campus Travel Survey

    E-Print Network [OSTI]

    Lovejoy, Kristin; Handy, Susan L; Contreras, Cliff

    2009-01-01

    on compressed natural gas (CNG) rather than diesel fuel forconsumed 235,300 gallons of CNG and 17,600 gallons of dieselper gallon of diesel and CNG, respectively, 10 then Unitrans

  10. Arizona: Solar Panels Replace Inefficient Fossil Fuel-Powered...

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

    saving over 30,000 gallons of gasoline, 37,242 gallons of diesel, 9,820 gallons of propane, and producing 217,350 kilowatt-hours (kWh) of electricity each year. The...

  11. Economic Implications of Pelleting Cotton Gin Trash as an Alternative Energy Source. 

    E-Print Network [OSTI]

    Moore, Donald S.; Lacewell, Ronald D.; Parnell, Calvin

    1982-01-01

    to be currently competitive with natural gas or coal, but they are potentially an attractive alternative as a stationary engine fuel source to replace diesel or fuel oil. Use of trash pellets as an alternative fuel to oil raises questions of energy balance. A... as an energy source, approximate costs of current fuels are useful. Of course, prices of energy are rapidly *?hanging. However, a natural gas price in the range of $3.00 per MBtu is reasonable. Diesel fuel at $1.00 per gallon is equivalent to about $7...

  12. Workbook Contents

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

    to Farm Consumers (Thousand Gallons)","U.S. Total Distillate SalesDeliveries to Electric Utility Consumers (Thousand Gallons)","U.S. Total Distillate SalesDeliveries to...

  13. Seventh Northwest Conservation and Electric Power Plan nwcouncil.org/7thplan N-1

    E-Print Network [OSTI]

    ...................................................3 Figure N - 2: RBSA 2012 Single Family Distribution on Water Heater Fuel To 55 Gallon Water Heating Gallon Water Heating

  14. Workbook Contents

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

    Kerosene SalesDeliveries to Industrial Consumers (Thousand Gallons)","East Coast (PADD 1) Kerosene SalesDeliveries to Industrial Consumers (Thousand Gallons)","New...

  15. Workbook Contents

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

    Kerosene SalesDeliveries to Residential Consumers (Thousand Gallons)","East Coast (PADD 1) Kerosene SalesDeliveries to Residential Consumers (Thousand Gallons)","New...

  16. Workbook Contents

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

    "Date","U.S. Total Distillate Retail Deliveries (Thousand Gallons)","East Coast (PADD 1) Total Distillate Retail Deliveries (Thousand Gallons)","New England (PADD 1A)...

  17. Workbook Contents

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

    Total Distillate SalesDeliveries to Farm Consumers (Thousand Gallons)","East Coast (PADD 1) Total Distillate SalesDeliveries to Farm Consumers (Thousand Gallons)","New...

  18. ,"Fuel Oil Consumption",,,"Fuel Oil Expenditures"

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

    2. Fuel Oil Consumption and Expenditure Intensities, 1999" ,"Fuel Oil Consumption",,,"Fuel Oil Expenditures" ,"per Building (gallons)","per Square Foot (gallons)","per Worker...

  19. ,"Total Fuel Oil Consumption

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

    0. Fuel Oil Consumption (gallons) and Energy Intensities by End Use for Non-Mall Buildings, 2003" ,"Total Fuel Oil Consumption (million gallons)",,,,,"Fuel Oil Energy Intensity...

  20. --No Title--

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

    4. Fuel Oil Consumption and Expenditure Intensities for Non-Mall Buildings, 2003 Fuel Oil Consumption Fuel Oil Expenditures per Building (gallons) per Square Foot (gallons) per...

  1. ,"Total Fuel Oil Consumption

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

    A. Fuel Oil Consumption (gallons) and Energy Intensities by End Use for All Buildings, 2003" ,"Total Fuel Oil Consumption (million gallons)",,,,,"Fuel Oil Energy Intensity...

  2. Radiative and semileptonic B meson decay spectra: Sudakov resummation beyond logarithmic accuracy and the pole mass.

    E-Print Network [OSTI]

    Gardi, Einan

    decay spectrum, present the perturbative DGE result for the moments and then consider in some detail the power–like separation between perturbative and non- perturbative contributions to the b–quark distribution. In particular, we identify the rele- vant...

  3. Lignin Gels: SOL-GEL NANOPOROUS CARBONS & COMPOSITES

    E-Print Network [OSTI]

    Cao, Guozhong

    for dehydrogenation of hydrides 2.increase the energy density of electrodes Applications: The resulting nanoporous.B. Garcia gratefully acknowledges traineeship support University of Washington Bioenergy IGERT (DGE-0654252

  4. Efficiency Improvement Opportunities for Light-Duty Natural-Gas-Fueled Vehicles

    SciTech Connect (OSTI)

    Staunton, R.H.; Thomas, J.F.

    1998-12-01

    The purpose of this report is to evaluate and make recommendations concerning technologies that promise to improve the efilciency of compressed natural gas (CNG) light-duty vehicles. Technical targets for CNG automotive technology given in the March 1998 OffIce of Advanced Automotive Technologies research and development plan were used as guidance for this effort. The technical target that necessitates this current study is to validate technologies that enable CNG light vehicles to have at least 10% greater - fuel economy (on a miles per gallon equivalent basis) than equivalent gasoline vehicles by 2006. Other tar- gets important to natural gas (NG) automotive technology and this study are to: (1) increase CNG vehicle range to 380 miles, (2) reduce the incremental vehicle cost (CNG vs gasoline) to $1500, and (3) meet the California ultra low-emission vehicle (ULEV) and Federal Tier 2 emission standards expected to be in effect in 2004.

  5. --No Title--

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

    (million square | Fuel Oil Energy Intensity | | | (million gallons) | feet) | (gallonssquare foot) | | |---+---+---...

  6. Water Conservation Songs 1 Texas A&M AgriLife Extension Service Water Conservation Songs

    E-Print Network [OSTI]

    Water Conservation Songs 1 Texas A&M AgriLife Extension Service Water Conservation Songs Gallon the drain, It's my job to turn it off, I want to save that rain! Cups, cups, cups of water, Running down the drain, It's my job to turn it off, I want to save that rain! Gallons, gallons, gallons of water Rushing

  7. Financing West Virginia's Highways: Challenges and Opportunities1

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    ) ....................................................................................................................................................... 38 Figure A2 Weekly U.S. Regular Retail Gasoline Prices (Cents per Gallon

  8. ABK UCI ECE Colloquium 121031 1 Design-Based "Equivalent Scaling"

    E-Print Network [OSTI]

    Gupta, Rajesh

    and Transistor Density · ITRS = International Technology Roadmap for Semiconductors (http://www.itrs.net/) · Key International Technology Roadmap for Semiconductors (ITRS) System Drivers Chapter: FO4 INV delays in clock Colloquium 121031 2 Conclusions · A new technology node costs billions of dollars in technology development

  9. Design and construction of a compact multi-chamber tissue equivalent proportional counter 

    E-Print Network [OSTI]

    Taplin, Temeka

    2006-04-12

    This project was designed to determine the feasibility of constructing a multichamber proportional counter. A multi-chamber detector is designed to increase the total surface area which will increase the number of radiation interactions that occur...

  10. Equivalence Proofs for MultiLayer Perceptron Classifiers and the Bayesian Discriminant Function \\Lambda

    E-Print Network [OSTI]

    Pearlmutter, Barak

    \\Lambda John B. Hampshire II Dept. of Electrical and Computer Engineering Carnegie Mellon University are not new. Duda and Hart formulated the proof for a simple perceptron in [6] (pp. 154­155). More recently

  11. Equivalence Proofs for Multi-Layer Perceptron Classifiers and the Bayesian Discriminant Function

    E-Print Network [OSTI]

    Pearlmutter, Barak

    John B. Hampshire II Dept. of Electrical and Computer Engineering Carnegie Mellon University Pittsburgh are not new. Duda and Hart formulated the proof for a simple perceptron in [6] (pp. 154-155). More recently

  12. Equivalences of Statecharts ? Andrea MaggioloSchettini 1 , Adriano Peron 2 and Simone Tini 1

    E-Print Network [OSTI]

    Peron, Adriano

    to the family of synchronous lan­ guages including also, for instance, Esterel [2] and Argos [6]. Statecharts are finite state machines having the appeal of visual formalisms such as state­transition diagrams and Petri

  13. Biasing, operation and parasitic current limitation in single device equivalent to CMOS, and other semiconductor systems

    DOE Patents [OSTI]

    Welch, James D.

    2003-09-23

    Disclosed are semiconductor devices including at least one junction which is rectifying whether the semiconductor is caused to be N or P-type, by the presence of applied gate voltage field induced carriers in essentially intrinsic, essentially homogeneously simultaneously containing both N and P-type metallurgical dopants at substantially equal doping levels, essentially homogeneously simultaneously containing both N and P-type metallurgical dopants at different doping levels, and containing a single metallurgical doping type, and functional combinations thereof. In particular, inverting and non-inverting gate voltage channel induced semiconductor single devices with operating characteristics similar to conventional multiple device CMOS systems, which can be operated as modulators, are disclosed as are a non-latching SCR and an approach to blocking parasitic currents utilizing material(s) which form rectifying junctions with both N and P-type semiconductor whether metallurigically or field induced.

  14. Evolvable View Environment (EVE) : Non-Equivalent View Maintenance under Schema Changes *

    E-Print Network [OSTI]

    Madiraju, Praveen

    .A. Rundensteiner, A. Koeller, X. Zhang A. VanWyk, Y. Li Department of Computer Science Worcester Polytechnic would like to thank our industrial sponsors, in particular, IBM for the IBM partnership award University of Science and Technology University of Michigan Clear Water Bay, Hong Kong Ann Arbor, MI 48109

  15. Risk assessment of complex mixtures: development of toxic equivalency factors (TEFs) for polycyclic aromatic hydrocarbons (PAHs) 

    E-Print Network [OSTI]

    Reese, Erica Dawn

    2001-01-01

    Risk assessment is a very valuable tool with which to frame complex environmental problems. Although risk assessment is a very valuable tool it does have significant limitations. There are many aspects of the process ...

  16. Quasi-stationary circuit relationships from electromagnetic theory with special emphasis on equivalence 

    E-Print Network [OSTI]

    Gandy, Woodrow Wheeler

    1952-01-01

    in the mapping of Camptown Cemetery: magnetics (MAG), electromagnetic induction (EMI), and ground penetrating radar (GPR). The approach is to combine, or fuse, the MAG, EMI, and GPR information, rendering a joint interpretation in which the confidence...

  17. Decay of the Cosmological Constant. Equivalence of Quantum Tunneling and Thermal Activation in Two Spacetime Dimensions

    E-Print Network [OSTI]

    Andres Gomberoff; Marc Henneaux; Claudio Teitelboim

    2005-01-19

    We study the decay of the cosmological constant in two spacetime dimensions through production of pairs. We show that the same nucleation process looks as quantum mechanical tunneling (instanton) to one Killing observer and as thermal activation (thermalon) to another. Thus, we find another striking example of the deep interplay between gravity, thermodynamics and quantum mechanics which becomes apparent in presence of horizons.

  18. DIMACS Technical Report 9425 On GarsiaRemmel Problem of Rook Equivalence

    E-Print Network [OSTI]

    , Princeton, NJ 08540 Paul Terwilliger 3 Department of Mathematics, University of Wisconsin, Madison, WI 53706

  19. Dosimetric equivalence of non-standard high dose rate (HDR) brachytherapy catheter patterns

    E-Print Network [OSTI]

    Cunha, J Adam M; Pouliot, Jean

    2009-01-01

    Purpose: To determine whether alternative HDR prostate brachytherapy catheter patterns can result in improved dose distributions while providing better access and reducing trauma. Methods: Prostate HDR brachytherapy uses a grid of parallel needle positions to guide the catheter insertion. This geometry does not easily allow the physician to avoid piercing the critical structures near the penile bulb nor does it provide position flexibility in the case of pubic arch interference. On CT data from ten previously-treated patients new catheters were digitized following three catheter patterns: conical, bi-conical, and fireworks. The conical patterns were used to accommodate a robotic delivery using a single entry point. The bi-conical and fireworks patterns were specifically designed to avoid the critical structures near the penile bulb. For each catheter distribution, a plan was optimized with the inverse planning algorithm, IPSA, and compared with the plan used for treatment. Irrelevant of catheter geometry, a p...

  20. State-based Coverage Analysis and UML-driven Equivalence Checking for C++ State Machines

    E-Print Network [OSTI]

    Ould Ahmedou, Mohameden

    which states have been covered by unit, system and integration tests. Furthermore, the approach provides Introduction In the area of safety-critical hardware-depended software (SCHDS) like automation and engine controllers, avionics or medical devices, it is necessary to follow heavy-weight development processes (HWP

  1. An equivalence between a Maximum Caliber analysis of two-state kinetics and the Ising model

    E-Print Network [OSTI]

    Phillips, Rob

    CA 2 Indian Institute of Technology, Mumbai, India (Dated: August 16, 2010) Application that the determination of key dynamical quantities can be mapped onto the evaluation of properties of the 1-D Ising model

  2. Harmonisation, equivalence and mutual recognition of standards: an analysis from a trade law perspective 

    E-Print Network [OSTI]

    Zu?n?iga Schroder, Humberto Angel

    2009-01-01

    Standards are necessary for an efficient functioning of the market and their regulation is an increasingly important area of law. Such is their importance that today it is possible to find thousands of standards developed ...

  3. Copyright 2013 IEEE. Reprinted, with permission from: Line Limit Preserving Power System Equivalent

    E-Print Network [OSTI]

    system. Line limits are a fundamental part of the formulation for Power Flow problems, Optimal Power Flow (OPF) problems and Security-Constrained Optimal Power Flow (SCOPF) problems for electric power systems generation or loads

  4. ABOUT TRANSFINITE COMPOSITIONS OF WEAK EQUIVALENCES OF HIGHER DIMENSIONAL TRANSITION SYSTEMS

    E-Print Network [OSTI]

    Gaucher, Philippe - Laboratoire Preuves, Programmes et Systčmes, Université Paris 7

    transition systems WTS and CTS. All generating cofibrations of WTS, CTS, CTS+ are maps between weak transition systems containing a finite number of states and actions by [Gau11, Proposition 5.4] for WTS

  5. Signal extraction from 4D transient electromagnetic surveys using the equivalent source method

    E-Print Network [OSTI]

    , such as that from sferics, wind noise, or power grids. The second cat- egory is cultural noise, such as that from power lines, pipes, and fences. The third category is geologic noise, such as that caused of survey design methods and post-acquisition proc- essing techniques have been developed over the years

  6. Replacing standard dairy produce by low saturated fat equivalents is one of the usual

    E-Print Network [OSTI]

    Boyer, Edmond

    in the dairy protein intake. To test the influence of dairy pro- tein on cholesterol metabolism, we submit- ted by density gradient ultracentrifuga- tion. Body weight and food intake remained constant throughout the study

  7. DEMONSTRATION OF EQUIVALENCY OF CANE AND SOFTWOOD BASED CELOTEX FOR MODEL 9975 SHIPPING PACKAGES

    SciTech Connect (OSTI)

    Watkins, R; Jason Varble, J

    2008-05-27

    Cane-based Celotex{trademark} has been used extensively in various Department of Energy (DOE) packages as a thermal insulator and impact absorber. Cane-based Celotex{trademark} fiberboard was only manufactured by Knight-Celotex Fiberboard at their Marrero Plant in Louisiana. However, Knight-Celotex Fiberboard shut down their Marrero Plant in early 2007 due to impacts from hurricane Katrina and other economic factors. Therefore, cane-based Celotex{trademark} fiberboard is no longer available for use in the manufacture of new shipping packages requiring the material as a component. Current consolidation plans for the DOE Complex require the procurement of several thousand new Model 9975 shipping packages requiring cane-based Celotex{trademark} fiberboard. Therefore, an alternative to cane-based Celotex{trademark} fiberboard is needed. Knight-Celotex currently manufactures Celotex{trademark} fiberboard from other cellulosic materials, such as hardwood and softwood. A review of the relevant literature has shown that softwood-based Celotex{trademark} meets all parameters important to the Model 9975 shipping package.

  8. Earth Planets Space, 53, 129137, 2001 Modeling of equivalent ionospheric currents from

    E-Print Network [OSTI]

    Michigan, University of

    magnetometer chain data V. A. Popov , V. O. Papitashvili , and J. F. Watermann Danish Meteorological Institute of the spherical cap harmonic analysis; a powerful analytical method to reconstruct iono- spheric currents from systems, the divergence-free part of which is asso- ciated with a ground magnetic field, and derive

  9. Information exchange between medical databases through automated identification of concept equivalence

    E-Print Network [OSTI]

    Sun, Yao, 1962-

    2002-01-01

    The difficulty of exchanging information between heterogeneous medical databases remains one of the chief obstacles in achieving a unified patient medical record. Although methods have been developed to address differences ...

  10. Estimating snow water equivalent from GPS vertical site-position observations in the western United States

    E-Print Network [OSTI]

    Ouellette, Karli J; de Linage, Caroline; Famiglietti, James S

    2013-01-01

    and J. L. Foster (2003), A prototype AMSR-E global snow areaand snow depth algorithm, Geosci. Remote Sens. , 41(2), 230–F. G. Nievinksi (2012), GPS snow sensing: Results from the

  11. Equivalent plastic strain for the Hill's yield criterion under general three-dimensional loading

    E-Print Network [OSTI]

    Colby, Rebecca B. (Rebecca Bea)

    2013-01-01

    In many industrial applications, an accurate model of the initial yield surface of materials with a significant degree of anisotropy is required. Anisotropy due to preferred orientation can occur in sheet metal parts used ...

  12. On the Wulff Construction as a Problem of Equivalence of Statistical Ensembles

    E-Print Network [OSTI]

    , Plenum Press, New York (1993) 1 Email address : miracle@cptsu2.univ­mrs.fr 2 Email address : ruiz@cptsu2 statistical ensembles. This gives a simple alternative microscopic proof of the validity of Wulff construction. The energy HN (h) of a configuration h = fh 0 ; h 1 ; :::; hN g, in the box 0 Ÿ i Ÿ N , of length N

  13. On the equivalences and differences of evolutionary algorithms Haiping Ma a,c,n

    E-Print Network [OSTI]

    Simon, Dan

    Engineering and Automation, Shanghai University, Shanghai, China a r t i c l e i n f o Article history Differential evolution Evolution strategy Particle swarm optimization a b s t r a c t Evolutionary algorithms- zation (PSO) (Bratton and Kennedy, 2007; Kennedy and Eberhart, 1995; Kennedy, 1997) have received much

  14. Modeling integrated photovoltaic-electrochemical devices using steady-state equivalent circuits

    E-Print Network [OSTI]

    Winkler, Mark Thomas

    We describe a framework for efficiently coupling the power output of a series-connected string of single-band-gap solar cells to an electrochemical process that produces storable fuels. We identify the fundamental efficiency ...

  15. Cosmogenic Backgrounds in Borexino at 3800 m water-equivalent depth

    E-Print Network [OSTI]

    G. Bellini; J. Benziger; D. Bick; G. Bonfini; D. Bravo; M. Buizza Avanzini; B. Caccianiga; L. Cadonati; F. Calaprice; P. Cavalcante; A. Chavarria; A. Chepurnov; D. D'Angelo; S. Davini; A. Derbin; A. Empl; A. Etenko; K. Fomenko; D. Franco; C. Galbiati; S. Gazzana; C. Ghiano; M. Giammarchi; M. Göger-Neff; A. Goretti; L. Grandi; C. Hagner; E. Hungerford; Aldo Ianni; Andrea Ianni; V. Kobychev; D. Korablev; G. Korga; D. Kryn; M. Laubenstein; T. Lewke; E. Litvinovich; B. Loer; P. Lombardi; F. Lombardi; L. Ludhova; G. Lukyanchenko; I. Machulin; S. Manecki; W. Maneschg; G. Manuzio; Q. Meindl; E. Meroni; L. Miramonti; M. Misiaszek; R. Möllenberg; P. Mosteiro; V. Muratova; L. Oberauer; M. Obolensky; F. Ortica; K. Otis; M. Pallavicini; L. Papp; L. Perasso; S. Perasso; A. Pocar; G. Ranucci; A. Razeto; A. Re; A. Romani; N. Rossi; R. Saldanha; C. Salvo; S. Schönert; H. Simgen; M. Skorokhvatov; O. Smirnov; A. Sotnikov; S. Sukhotin; Y. Suvorov; R. Tartaglia; G. Testera; D. Vignaud; R. B. Vogelaar; F. von Feilitzsch; J. Winter; M. Wojcik; A. Wright; M. Wurm; J. Xu; O. Zaimidoroga; S. Zavatarelli; G. Zuzel

    2013-07-03

    The solar neutrino experiment Borexino, which is located in the Gran Sasso underground laboratories, is in a unique position to study muon-induced backgrounds in an organic liquid scintillator. In this study, a large sample of cosmic muons is identified and tracked by a muon veto detector external to the liquid scintillator, and by the specific light patterns observed when muons cross the scintillator volume. The yield of muon-induced neutrons is found to be Yn =(3.10+-0.11)10-4 n/({\\mu} (g/cm2)). The distance profile between the parent muon track and the neutron capture point has the average value {\\lambda} = (81.5 +- 2.7)cm. Additionally the yields of a number of cosmogenic radioisotopes are measured for 12N, 12B, 8He, 9C, 9Li, 8B, 6He, 8Li, 11Be, 10C and 11C. All results are compared with Monte Carlo simulation predictions using the Fluka and Geant4 packages. General agreement between data and simulation is observed for the cosmogenic production yields with a few exceptions, the most prominent case being 11C yield for which both codes return about 50% lower values. The predicted {\\mu}-n distance profile and the neutron multiplicity distribution are found to be overall consistent with data.

  16. Cosmic-muon flux and annual modulation in Borexino at 3800 m water-equivalent depth

    E-Print Network [OSTI]

    G. Bellini; J. Benziger; D. Bick; G. Bonfini; D. Bravo; M. Buizza Avanzini; B. Caccianiga; L. Cadonati; F. Calaprice; C. Carraro; P. Cavalcante; A. Chavarria; A. Chepurnov; D. D'Angelo; S. Davini; A. Derbin; A. Etenko; F. von Feilitzsch; K. Fomenko; D. Franco; C. Galbiati; S. Gazzana; C. Ghiano; M. Giammarchi; M. Goeger-Neff; A. Goretti; L. Grandi; E. Guardincerri; C. Hagner; S. Hardy; Aldo Ianni; Andrea Ianni; D. Korablev; G. Korga; Y. Koshio; D. Kryn; M. Laubenstein; T. Lewke; E. Litvinovich; B. Loer; F. Lombardi; P. Lombardi; L. Ludhova; I. Machulin; S. Manecki; W. Maneschg; G. Manuzio; Q. Meindl; E. Meroni; L. Miramonti; M. Misiaszek; D. Montanari; P. Mosteiro; V. Muratova; L. Oberauer; M. Obolensky; F. Ortica; K. Otis; M. Pallavicini; L. Papp; L. Perasso; S. Perasso; A. Pocar; R. S. Raghavan; G. Ranucci; A. Razeto; A. Re; A. Romani; A. Sabelnikov; R. Saldanha; C. Salvo; S. Schönert; H. Simgen; M. Skorokhvatov; O. Smirnov; A. Sotnikov; S. Sukhotin; Y. Suvorov; R. Tartaglia; G. Testera; D. Vignaud; R. B. Vogelaar; J. Winter; M. Wojcik; A. Wright; M. Wurm; J. Xu; O. Zaimidoroga; S. Zavatarelli; G. Zuzel

    2012-11-22

    We have measured the muon flux at the underground Gran Sasso National Laboratory (3800 m w.e.) to be (3.41 \\pm 0.01) \\times 10-4m-2s-1 using four years of Borexino data. A modulation of this signal is observed with a period of (366\\pm3) days and a relative amplitude of (1.29 \\pm 0.07)%. The measured phase is (179 \\pm 6) days, corresponding to a maximum on the 28th of June. Using the most complete atmospheric data models available, muon rate fluctuations are shown to be positively correlated with atmospheric temperature, with an effective coefficient {\\alpha}T = 0.93 \\pm 0.04. This result represents the most precise study of the muon flux modulation for this site and is in good agreement with expectations.

  17. A Two-Dimensional Equivalent Complex Permeability Model for Round-Wire Windings

    E-Print Network [OSTI]

    the Dowell model and the Bessel-function method. The model was given in terms of proximity-effect loss models have been developed to calculate high-frequency winding loss, such as Dowell's model [1], [2], [3

  18. Triplet Acetylenes as Synthetic Equivalents of 1,2-Bicarbenes: Phantom n,* State Controls Reactivity in

    E-Print Network [OSTI]

    Alabugin, Igor

    [3.3.0.02,8 .04,6 ]octanes (homoquadricyclanes). In the case of pyrazinyl acetylenes, the primary acetylene: PET). Dramatically enhanced ISC between -* S1 state and "phantom" n,* triplet excited state

  19. A PolynomialTime Algorithm for Checking Equivalence Under Certain Semiring Congruences motivated by the Statespace

    E-Print Network [OSTI]

    Sontag, Eduardo

    which combine discrete and continuous components. The subclass of piecewise linear (PL) systems provides one systematic approach to discrete­time hybrid systems, naturally blending switching mechanisms with classical linear components. PL systems model arbitrary interconnec­ tions of finite automata and linear

  20. Provenance, Offset Equivalent and Palinspastic Reconstruction of the Miocene Cajon Valley Formation, Southern California

    E-Print Network [OSTI]

    Stang, Dallon

    2013-01-01

    Collection and Preparation Petrography Analysis Resultsand Cavazza, 1991). Petrography Thin sections were point-to be more effective than petrography for determining cross-

  1. Inductive machine learning for improved estimation of catchment-scale snow water equivalent

    E-Print Network [OSTI]

    Bongard, Josh

    agricultural planning, metropolitan use, flood risk evaluation, planning of hydropower production potential

  2. Shift Equivalence of Measures and the Intrinsic Structure of Shocks in the Asymmetric Simple Exclusion Process

    E-Print Network [OSTI]

    Exclusion Process B. Derrida 1 , S. Goldstein 2 , J. L. Lebowitz 2;3 , and E. R. Speer 2 Abstract We, NJ 08903; email oldstein@math.rutgers.edu, lebowitz@math.rutgers.edu, speer@math.rutgers.edu 3

  3. Disease risk mitigation: The equivalence of two selective mixing strategies on aggregate contact patterns and resulting

    E-Print Network [OSTI]

    Institute of Sustainability, Arizona State University, Tempe, AZ, United States c Department of Ecology. observe that the value of contacts within partner- ships determines the probability of illness (see also Corresponding author at: Global Institute of Sustainability, Arizona State University, Tempe, AZ, United States

  4. Estimation of Equivalent Sea Level Cosmic Ray Exposure for Low Background Experiment

    SciTech Connect (OSTI)

    Greene, Austen T.; Orrell, John L.

    2012-08-25

    While scientists at CERN and other particle accelerators around the world explore the boundaries of high energy physics, the Majorana project investigates the other end of the spectrum with its extremely sensitive, low background, low energy detector. The MAJORANA DEMONSTRATOR aims to detect neutrinoless double beta decay (0???), a rare theoretical process in which two neutrons decay into two protons and two electrons, without the emission of the two antineutrinos that are a product of a normal double beta decay. This process is only possible if – and therefore a detection would prove — the neutrino is a Majorana particle, meaning that it is its own antiparticle [Aaselth et al. 2004] . The existence of such a decay would also disprove lepton conservation and give information about the neutrino's mass.

  5. Defense Program Equivalencies for Technical Qualification Standard Competencies12/12/1995

    Broader source: Energy.gov [DOE]

    Defense Programs has undertaken an effort to compare the competencies in the GeneralTechnical Base Qualification Standard and the Functional Area Qualification Standards withvarious positions in...

  6. Intern equivalency at the office of the program manager XM1 Tank systems: an internship report 

    E-Print Network [OSTI]

    Root, Paul Michael, 1944-

    2013-03-13

    caused the tank to receive much bad publicity. Component testing, on the other hand, was generally conducted to insure a component's design maturity prior to testing in the tank. A notable exception was the engine, which had separate durability... development to a mature design, ready for production, due to extensive engineering effort on the part of AVCO Lycoming and an extensive test program consisting of both laboratory engine tests and vehicle tests for performance, reliability, and durability...

  7. Off-Diagonal Ekpyrotic Scenarios and Equivalence of Modified, Massive and/or Einstein Gravity

    E-Print Network [OSTI]

    Sergiu I. Vacaru

    2014-11-10

    We show how generic off-diagonal cosmological solutions depending, in general, on all spacetime coordinates can be constructed in massive gravity using the anholonomic frame deformation method. There are found new classes of locally anisotropic and (in) homogeneous cosmological metrics with open and closed spatial geometries. Such solutions describe the late time acceleration due to effective cosmological terms induced by nonlinear off-diagonal interactions and graviton mass. The cosmological metrics and related St\\" uckelberg fields are constructed in explicit form up to nonholonomic frame transforms of the Friedmann-Lama\\^{i}tre-Robertson-Walker (FLRW) coordinates. The solutions include matter, graviton mass and other effective sources modelling nonlinear gravitational and matter fields interactions with polarization of physical constants and deformations of metrics, which may explain certain dark energy and dark matter effects. There are stated the conditions when such configurations mimic interesting solutions in general relativity and modifications and recast the general Painlev\\' e-Gullstrand and FLRW metrics. Finally, we sketch a reconstruction procedure for a subclass of off-diagonal cosmological solutions which describe cyclic and ekpyrotic universes.

  8. System and method to determine electric motor efficiency using an equivalent circuit

    DOE Patents [OSTI]

    Lu, Bin; Habetler, Thomas G.

    2015-10-27

    A system and method for determining electric motor efficiency includes a monitoring system having a processor programmed to determine efficiency of an electric motor under load while the electric motor is online. The determination of motor efficiency is independent of a rotor speed measurement. Further, the efficiency is based on a determination of stator winding resistance, an input voltage, and an input current. The determination of the stator winding resistance occurs while the electric motor under load is online.

  9. System and method to determine electric motor efficiency using an equivalent circuit

    DOE Patents [OSTI]

    Lu, Bin; Habetler, Thomas G

    2015-11-06

    A system and method for determining electric motor efficiency includes a monitoring system having a processor programmed to determine efficiency of an electric motor under load while the electric motor is online. The determination of motor efficiency is independent of a rotor speed measurement. Further, the efficiency is based on a determination of stator winding resistance, an input voltage, and an input current. The determination of the stator winding resistance occurs while the electric motor under load is online.

  10. A methodology for comparing distances traveled by performance-equivalent fixed-route and demand responsive

    E-Print Network [OSTI]

    Quadrifoglio, Luca

    -route and a demand responsive service, while ensuring a comparable service to the same set of customers. We consider to our findings, demand responsive transit services perform better for high- quality service levels and low demand density scenarios. Keywords: transit; bus lines; demand responsive services; service level

  11. Effects of Ignition Quality and Fuel Composition on Critical Equivalence Ratio

    Broader source: Energy.gov [DOE]

    Our research shows that fuel can be blended to have a low ignition quality, which is desirable for high-efficiency advanced combustion, and with a high n-paraffin content to reduce CO and THC.

  12. A Lattice-Based Equivalent Circuit Model for Frequency Selective Surfaces 

    E-Print Network [OSTI]

    Rolando, David

    2014-12-11

    the mathematical theory underlying the lattice model. The details of the model are initially developed for single-element, single-layer FSSs under uniform normal plane wave incidence. The theory is then extended to several additional cases: multi...

  13. Statistical Models for Presence-Only Data: Finite-Sample Equivalence and Addressing

    E-Print Network [OSTI]

    Hastie, Trevor

    different asymptotic limits with large data sets. We propose "infinitely weighted logistic regression of locations in the geographic region of interest. Warton and Shepard (2010) showed that logistic regression (Maxent) modeling of species distributions [12] [9] [10], and logistic regression models. Several recent

  14. Diminutive Nouns and Verbs in Slovene Compared to Their English Equivalents

    E-Print Network [OSTI]

    Sicherl, Eva

    2013-01-01

    (see, for example, Bauer 2002, 1678). It is also worth noting that most of these formations in Slovene have been imported from foreign languages (usually English, often via German) as anglicisms or have been partly calqued (e.g., miniskirt > minikrilo.... Adams (2001, 55–58) covers diminutives in more de- tail, listing eight nominal suffixes with (partly) diminutive meaning. Further, Bauer (2002, 1677–78) lists five regular suffixes, two prefixes, and a few irregular or his- torical forms. Schneider...

  15. Intergovernmental Oceanographic Commission Reports of Meetings of Experts and Equivalent Bodies

    E-Print Network [OSTI]

    to exploit tide gauge stations in the context of tsunami and other ocean hazards warning systems Group of Experts on the Global Sea Level Observing System (GLOSS) Eleventh Session Paris, France 13 on the Global Sea Level Observing System (GLOSS) Eleventh Session Paris, France 13-15 May 2009 GOOS Report No

  16. Assessing Functional Equivalency of Nekton Habitat in Enhanced Habitats: Comparison of Terraced and Unterraced Marsh Ponds

    E-Print Network [OSTI]

    Nyman, John

    and Unterraced Marsh Ponds MEGAN K. LA PEYRE1, *, BRYAN GOSSMAN2 , and JOHN A. NYMAN2 1 U.S. Geological Survey and quality. Using shallow water ponds rehabilitated with a technique called marsh terracing, we examined quality. We examined three paired terraced and unterraced marsh ponds in southwest Louisiana. Nekton

  17. Equivalence Checking between Function Block Diagrams and C Programs Using HW-CBMC

    E-Print Network [OSTI]

    ://dslab.konkuk.ac.kr 2 Korea Atomic Energy Research Institute, 150 Deokjin, Yuseong Daejeon, 305-335, Republic of Korea such as nuclear power plants often use Function Block Diagrams (FBDs) to design embedded software. The design in safety critical systems such as nuclear power plants use Func- tion Block Diagrams (FBDs) to design

  18. The MultiProcedure Equivalence Theorem DAVID BINKLEY, SUSAN HORWITZ, and THOMAS REPS

    E-Print Network [OSTI]

    Binkley, David W.

    , vectorization, and parallelization [Kuck72, Towle76, Kuck78, Kuck81], as the internal representation

  19. Per-unitization and Equivalent Circuits 1.0 Normalization of voltage equations

    E-Print Network [OSTI]

    McCalley, James D.

    note two excellent references on the subject of per-unitizing synchronous machine models: 1. A. Rankin, "Per-unit impedance of synchronous machines," AIEE Transactions, 64, Aug., 1945. 2. M. Harris, P, rms. · SB: the stator rated per-phase power, volt-amps · B: the generator rated speed, in electrical

  20. System and method to determine electric motor efficiency using an equivalent circuit

    DOE Patents [OSTI]

    Lu, Bin (Kenosha, WI); Habetler, Thomas G. (Snellville, GA)

    2011-06-07

    A system and method for determining electric motor efficiency includes a monitoring system having a processor programmed to determine efficiency of an electric motor under load while the electric motor is online. The determination of motor efficiency is independent of a rotor speed measurement. Further, the efficiency is based on a determination of stator winding resistance, an input voltage, and an input current. The determination of the stator winding resistance occurs while the electric motor under load is online.

  1. Equivalence of Two-Loop Superstring Amplitudes in the Pure Spinor and RNS Formalisms

    E-Print Network [OSTI]

    Nathan Berkovits; Carlos R. Mafra

    2005-10-14

    The pure spinor formalism for the superstring has recently been used to compute massless four-point two-loop amplitudes in a manifestly super-Poincare covariant manner. In this paper, we show that when all four external states are Neveu-Schwarz, the two-loop amplitude coincides with the RNS result.

  2. Equivalence of Two-Loop Superstring Amplitudes in the Pure Spinor and RNS Formalisms

    E-Print Network [OSTI]

    Berkovits, N; Berkovits, Nathan; Mafra, Carlos R.

    2006-01-01

    The pure spinor formalism for the superstring has recently been used to compute massless four-point two-loop amplitudes in a manifestly super-Poincare covariant manner. In this paper, we show that when all four external states are Neveu-Schwarz, the two-loop amplitude coincides with the RNS result.

  3. "giant faults" does not lead to total failure, because the displacement equivalent to the fault

    E-Print Network [OSTI]

    Zettl, Alex

    as supporting material on Science Online. 5. T. W. Duerig, A. R. Pelton, in Materials Properties Handbook of materials. Silicon, for exam- ple, is a modest bandgap semiconductor in its common diamond structure

  4. REQUIRED BACHELOR DEGREE EQUIVALENTS Afghanistan Bachelor of Arts/Bachelor of Science (Licence/Leicanc) 4

    E-Print Network [OSTI]

    Rock, Chris

    , Education, or Pharmacy Bachelor of Medicine and Bachelor of Surgery ­ 6 years Barbados Bachelor of Fine Arts/Bachelor of Education from Barbados Community College ­ 4 years Bachelor's degree from the University of the West Indies

  5. Studying Brain Morphometry using Conformal Equivalence Class Dept of Neurology/Math

    E-Print Network [OSTI]

    Wang, Yalin

    ylwang@math.ucla.edu Wei Dai Dept of Math Zhejiang Univ dw0426@zju.edu.cn Yi-Yu Chou Dept of Neurology UCLA yiyu.chou@loni.ucla.edu Xianfeng Gu Dept of Comp Sci Stony Brook Univ gu@cs.sunysb.edu Tony F. Chan Dept of Math UCLA chan@math.ucla.edu Arthur W. Toga Dept of Neurology UCLA toga@loni.ucla.edu Paul

  6. Mapping random and systematic errors of satellite-derived snow water equivalent observations in Eurasia

    E-Print Network [OSTI]

    Walker, Jeff

    of its high albedo and thermal and water storage properties. Snow is also the largest varying landscape for the 1990-1991 snow season (November-April) have been examined. Dense vegetation, especially in the taiga snow crystals evolve with the progression of the season also contribute to the errors. In general

  7. General Technical Base Qualification Equivalencies Based On Previous Experience, 12/12/95

    Broader source: Energy.gov [DOE]

    "The header lists the general field of experience, Commercial Nuclear Power or Navy Nuclear PowerProgram, with all other categories under these two areas. The subheader lists the position title of...

  8. West Virginia University --All Campuses 2014 Headcount and Full-Time Equivalent Enrollment

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    2011 Fall 2010 Fall 2009 1 Year Change 1 Year % Change 5 Year Change 5 Year % Change TOTAL HEADCOUNT 31,976 32,348 32,595 32,733 32,351 31,952 -372 -1% 24 0% STATUS Full-time 27,825 28,052 28,171 28,255 27,896 27,243 -227 -1% 582 2% Part-time 4,151 4,296 4,424 4,478 4,455 4,709 -145 -3% -558 -12% RESIDENCY

  9. Author's personal copy An equivalent strain/CoffineManson approach to multiaxial fatigue

    E-Print Network [OSTI]

    Ritchie, Robert

    prediction in superelastic Nitinol medical devices Amanda Runciman a,b , David Xu a,b , Alan R. Pelton c, Berkeley, CA, USA b Materials Sciences Division, Lawrence Berkeley National Laboratory, CA, USA c Nitinol Accepted 24 March 2011 Available online 30 April 2011 Keywords: Medical devices Nitinol Fatigue Life

  10. Thermal lag test engines evaluated and compared to equivalent Stirling engines

    SciTech Connect (OSTI)

    Tailer, P.L.

    1995-12-31

    Thermal lag engines run both free piston and with pistons kinematically linked. Free piston, a thermal lag engine may be the simplest of all piston engines as it is valveless and has only one moving part, the piston. Horizontal and vertical thermal lag engines with substantially identical cooled pistons and cylinders are tested and evaluated, particularly as to power density. The horizontal engine has an elongated, small diameter heated chamber and the vertical engine has a large diameter flat heated chamber. Both heated chambers may be altered in volume to maximize engine power at optimum compression ratios. The power density of unpressurized thermal lag engines is compared to that of early commercial Stirling cycle unpressurized air engines. The comparison indicates the potential for applying well-known modern Stirling technology to thermal lag engines.

  11. TURBULENCE, ORBIT EQUIVALENCE, AND THE CLASSIFICATION OF NUCLEAR C-ALGEBRAS

    E-Print Network [OSTI]

    Farah, Ilijas

    of C -algebras, we prove that many standard C -algebra constructions and relations are Borel, and we to isomorphism is a major theme of the modern theory. Recent contact between descriptive set theorists, there is a natural standard Borel space which parameterizes (up to isomorphism) all the objects in the class. From

  12. Effects of Equivalence Ratio on Species and Soot Concentrations in Premixed N-Heptane Flames

    E-Print Network [OSTI]

    Senkan, Selim M.

    INTRODUCTION Combustion of fossil fuels is one of the major sources of air pollution in many areas. Heptane nm and the soot volume fraction reached the amount of 4.9 10 7 . © 2002 by The Combustion Institute investigated by Westmoreland et al. [5]. The entire stream of combustion products was collected by a glass hood

  13. Quantitative one-dimensional thermal-wave cavity measurements of fluid thermophysical properties through equivalence studies

    E-Print Network [OSTI]

    Mandelis, Andreas

    of Toronto, Toronto, Ontario M5S3G8, Canada Received 11 April 2006; accepted 13 May 2006; published online 22 due to an intensity modulated pump laser source. The thermal wave inside a sample diffuses over as a thermal-wave generator, and a pyroelectric film placed parallel to the thermal-source surface at a fixed

  14. Breaking of parallelograms in presence of torsion: an equivalent alternative approach to detect gravitational waves

    E-Print Network [OSTI]

    Nayeh, S; Arbabi, S; Ghominejad, M

    2015-01-01

    The equations for gravitational plane waves produced by a typical binary system as a solution of linear approximation of Einstein equations is derived. The dynamics of the corresponding gravitational field is analyzed in a 4-dimensional space-time manifold, endowed with a metric and taking into account the torsion. In this context, the geometrical reason of the existence of torsion due to the presence of gravitational waves, as an asymmetry of connection coefficients with respect of the swapping of indices's is highlighted. In a laser interferometer gravitational detector The delay time between the arrivals of the two laser beams traveling back and forth along the two arms of in presence of gravitational waves, is interpreted from this point of view. The geometrical interpretation of torsion, links this delay time to the breaking of the parallelogram formed by the trajectories of the laser beams in space-time. This delay is calculated for a typical NS-NS binary pulsar in two specific orientations with respect...

  15. Provenance, Offset Equivalent and Palinspastic Reconstruction of the Miocene Cajon Valley Formation, Southern California

    E-Print Network [OSTI]

    Stang, Dallon

    2013-01-01

    sandstone petrofacies: Sedimentology, v. 40, p. 937-953.for inspiring me to study sedimentology and tectonics as an

  16. Measurement of the Equivalent Thermal Resistance of Rooftop Lawns in a Hot-Climate Wind Tunnel 

    E-Print Network [OSTI]

    Meng, Q.; Zhang, Y.; Zhang, L.

    2006-01-01

    rooftop lawn. A hot-climate wind tunnel experiment was carried out in order to obtain and analyze the heat and moisture transport in the rooftop lawn. Furthermore, a calculation with the energy conservation equation was carried out using the results...

  17. The University of Texas at Arlington College of Nursing Equivalency Chart for: University of Phoenix -Online

    E-Print Network [OSTI]

    Huang, Haiying

    of Phoenix - Online Catalog: 2014-2015 The following is a list of all prerequisite coursework that may

  18. Determination of a single algebraic equivalance for a general class of hypergeometric statistics 

    E-Print Network [OSTI]

    Brown, Sidney Preston

    1968-01-01

    !rv? ", to bc co;. . ' N 'a c r e a fa'!&11y cau !1)lg' t?e ei!ue ' 1 on to t!8 a j es ac c!!! " ' . : o!! c d 1 o i. o:c' ~ i&!'obl c!! of' the cli set . ' 'nose of' ti!o hypergc!o- metric d tetr ibuti;ion 1. s especially evicle!!t in the lo)!Br values.... !7 d iv, . i;lt de1, -, Ti)c oui;, . tn(7). t, d;:. ie reql). i. Pe(i b, thc ()ro;;rr;, th(. ' v". Hu". of 'I. 'e collBU!'!el! B (ri Bi( )(lid the (c('. I'! 0 (Bucc 11U'!Ibcr. Eo (h ('. I theoc 't, [)l)QB), " 01! t)le BB'1)P 0" rd XQ or(it 1 07...

  19. ,"U.S. Natural Gas Plant Liquids Production, Gaseous Equivalent (Bcf)"

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: AlternativeMonthly","10/2015" ,"ReleaseMonthly","10/2015" ,"Release Date:","12/31/2015" ,"Next

  20. ,"U.S. Natural Gas Plant Liquids Production, Gaseous Equivalent (Bcf)"

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames City of",6,1,"Omaha Public PowerOECD/IEA -Annual",2014 ,"ReleaseAnnual",2014Annual",2014 ,"Release

  1. U.S. Natural Gas Plant Liquids Production, Gaseous Equivalent (Billion

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: AlternativeMonthly","10/2015"Monthly","10/2015"Separation, Proved Reserves(Million2009 2010 2011 2012DecadeDecade Year-0 Year-1Cubic

  2. Estimating Radiation Risk from Total Effective Dose Equivalent (TEDE) ISCORS Technical Report No. 1

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal GasAdministration Medal01 Sandia4) AugustA. GeographicYucca faultEGGUSE CODE / TYPE OFand

  3. Estimating Radiation Risk from Total Effective Dose Equivalent (TEDE) ISCORS Technical Report No. 1

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal GasAdministration Medal01 Sandia4) AugustA. GeographicYucca faultEGGUSE CODE / TYPE

  4. Demonstration of the Equivalence of Soft and Zero-Bin Subtractions (Journal

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfate Reducing BacteriaConnectlaser-solid interaction (Journal

  5. Demonstration of the Equivalence of Soft and Zero-Bin Subtractions (Journal

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfate Reducing BacteriaConnectlaser-solid interaction (JournalArticle) | SciTech Connect

  6. On The Equivalence of Soft and Zero-Bin Subtractions (Journal Article) |

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTech ConnectSpeeding access to science information from(Conference)Article) |SciTech

  7. On The Equivalence of Soft and Zero-Bin Subtractions (Journal Article) |

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTech ConnectSpeeding access to science information from(Conference)Article)

  8. Simulation Study of Near-Surface Coupling of Nuclear Devices vs. Equivalent

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTechtail. (Conference) |Janka,FerraraTechnologiesShiningIndonesianHigh-Explosive Charges

  9. Simulation Study of Near-Surface Coupling of Nuclear Devices vs. Equivalent

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTechtail. (Conference) |Janka,FerraraTechnologiesShiningIndonesianHigh-Explosive

  10. Biofuel impacts on water.

    SciTech Connect (OSTI)

    Tidwell, Vincent Carroll; Malczynski, Leonard A.; Sun, Amy Cha-Tien

    2011-01-01

    Sandia National Laboratories and General Motors Global Energy Systems team conducted a joint biofuels systems analysis project from March to November 2008. The purpose of this study was to assess the feasibility, implications, limitations, and enablers of large-scale production of biofuels. 90 billion gallons of ethanol (the energy equivalent of approximately 60 billion gallons of gasoline) per year by 2030 was chosen as the book-end target to understand an aggressive deployment. Since previous studies have addressed the potential of biomass but not the supply chain rollout needed to achieve large production targets, the focus of this study was on a comprehensive systems understanding the evolution of the full supply chain and key interdependencies over time. The supply chain components examined in this study included agricultural land use changes, production of biomass feedstocks, storage and transportation of these feedstocks, construction of conversion plants, conversion of feedstocks to ethanol at these plants, transportation of ethanol and blending with gasoline, and distribution to retail outlets. To support this analysis, we developed a 'Seed to Station' system dynamics model (Biofuels Deployment Model - BDM) to explore the feasibility of meeting specified ethanol production targets. The focus of this report is water and its linkage to broad scale biofuel deployment.

  11. Kelly Hot Spring Geothermal Project: Kelly Hot Spring Agricultural Center preliminary design. Final technical report

    SciTech Connect (OSTI)

    Longyear, A.B. (ed.)

    1980-08-01

    A Phase 1 Preliminary Design, Construction Planning and Economic Analysis has been conducted for the Kelly Hot Spring Agricultural Center in Modoc County, California. The core activity is a 1360 breeding sow, swine raising complex that utilizes direct heat energy from the Kelly Hot Spring geothermal resource. The swine is to be a totally confined operation for producing premium pork in controlled-environment facilities. The complex contains a feed mill, swine raising buildings and a complete waste management facility that produces methane gas to be delivered to a utility company for the production of electricity. The complex produces 6.7 million pounds of live pork (29,353 animals) shipped to slaughter per year; 105,000 cu. ft. of scrubbed methane per day; and fertilizer. Total effluent is less than 200 gpm of agricultural quality-water with full odor control. The methane production rate made possible with geothermal direct heat is equivalent to at least 400 kw continuous. Sale of the methane on a co-generation basis is being discussed with the utility company. The use of geothermal direct heat energy in the complex displaces nearly 350,000 gallons of fuel oil per year. Generation of the biogas displaces an additional 300,000 gallons of fuel oil per year.

  12. Low-cost manufacturing of flow channels with multi-nozzle abrasive-waterjets: a feasibility investigation

    SciTech Connect (OSTI)

    Liu, H. T.; Hovanski, Yuri; Caldwell, Dustin D.; Williford, Ralph E.

    2008-11-28

    Stamping and photochemical machining have been two of the common methods for manufacturing flow channels used in reformers, reactors, heat exchangers, and fuel-cell stacks. The flow channels are then bonded to form the finish products. These methods are severely constrainted by plate area and thickness, material type, and environmental concerns. Furthermore, they are too costly to meet the U. S. DoE's targeted goal - untaxed price of $2.00-3.00/gge (gasoline gallon equivalent). Abrasive-waterjets were applied for machining various flow-channel patterns such as high-espect-ratio slots/ribs on several metals and non-metals were conducted to demonstrate its merits over other machine tools.

  13. Evaluation of Utility System Impacts and Benefits of Optimally Dispatched Plug-In Hybrid Electric Vehicles (Revised)

    SciTech Connect (OSTI)

    Denholm, P.; Short, W.

    2006-10-01

    Hybrid electric vehicles with the capability of being recharged from the grid may provide a significant decrease in oil consumption. These ''plug-in'' hybrids (PHEVs) will affect utility operations, adding additional electricity demand. Because many individual vehicles may be charged in the extended overnight period, and because the cost of wireless communication has decreased, there is a unique opportunity for utilities to directly control the charging of these vehicles at the precise times when normal electricity demand is at a minimum. This report evaluates the effects of optimal PHEV charging, under the assumption that utilities will indirectly or directly control when charging takes place, providing consumers with the absolute lowest cost of driving energy. By using low-cost off-peak electricity, PHEVs owners could purchase the drive energy equivalent to a gallon of gasoline for under 75 cents, assuming current national average residential electricity prices.

  14. Compressed natural gas measurement issues

    SciTech Connect (OSTI)

    Blazek, C.F.; Kinast, J.A.; Freeman, P.M.

    1993-12-31

    The Natural Gas Vehicle Coalition`s Measurement and Metering Task Group (MMTG) was established on July 1st, 1992 to develop suggested revisions to National Institute of Standards & Technology (NIST) Handbook 44-1992 (Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices) and NIST Handbook 130-1991 (Uniform Laws & Regulations). Specifically, the suggested revisions will address the sale and measurement of compressed natural gas when sold as a motor vehicle fuel. This paper briefly discusses the activities of the MMTG and its interaction with NIST. The paper also discusses the Institute of Gas Technology`s (IGT) support of the MMTG in the area of natural gas composition, their impact on metering technology applicable to high pressure fueling stations as well as conversion factors for the establishment of ``gallon gasoline equivalent`` of natural gas. The final portion of this paper discusses IGT`s meter research activities and its meter test facility.

  15. Converting landfill gas to vehicle fuel: The results of over 30 months of operation

    SciTech Connect (OSTI)

    Wheless, E.; Cosulich, J.; Wang, A.

    1996-11-01

    The Sanitation Districts of Los Angeles County (Districts) have successfully converted landfill gas to vehicle fuel for over 30 months with the Clean Fuels facility (Clean Fuels). The station has a design capacity equivalent to 1,000 gallons of gasoline per day. The Districts utilize the compressed landfill gas (CLG) produced at the station to run a fleet of 13 vehicles, ranging from passenger vans to large on-road tractors. This paper presents information on the operation, maintenance, theory, and economics of converting landfill gas to vehicle fuel. The compressed natural gas (CNG) industry is expanding rapidly. The US Department of Energy projects the number of natural gas vehicles (NGVs) to grow from 66,000 in 1995 to 85,000 in 1996. A variety of CNG-powered refuse collection vehicles are now available from original equipment manufacturers (OEMs). Many industry pundits predict that refuse trucks will be the next major vehicle group after transit buses to convert to CNG. CNG provides the benefit of lower emissions than diesel and gasoline, with typical fuel costs of only 70 to 80 percent of the price of gasoline at retail pumps. The primary economic advantage of CNG over conventional fuels is its tax rate, which can be lower by about $0.30 per gallon of diesel equivalent. The CNG market may offer the landfill gas industry the same opportunity the electrical generation market offered in the 1980s. The Clean Fuels facility is located within the Districts` Puente Hills Landfill complex. Puente Hills is a very large landfill with over 70 million tons of refuse in place. The current fill rate is approximately 10,000 tons per day. The landfill gas flow rate is approximately 27,000 standard cubic feet per minute (scfm) at 42 percent methane.

  16. Energy and Economic Impacts of U.S. Federal Energy and Water Conservation Standards Adopted From 1987 Through 2013

    SciTech Connect (OSTI)

    Meyers, Stephen; Williams, Alison; Chan, Peter

    2014-06-30

    This paper presents estimates of the key impacts of Federal energy and water conservation standards adopted from 1987 through 2013. The standards for consumer products and commercial and industrial equipment include those set by legislation as well as standards adopted by DOE through rulemaking. In 2013, the standards saved an estimated 4.05 quads of primary energy, which is equivalent to 4% of total U.S. energy consumption. The savings in operating costs for households and businesses totaled $56 billion. The average household saved $361 in operating costs as a result of residential and plumbing product standards. The estimated reduction in CO{sub 2} emissions associated with the standards in 2013 was 218 million metric tons, which is equivalent to 4% of total U.S. CO{sub 2} emissions. The estimated cumulative energy savings over the period 1990-2090 amount to 181 quads. Accounting for the increased upfront costs of more-efficient products and the operating cost (energy and water) savings over the products’ lifetime, the standards have a past and projected cumulative net present value (NPV) of consumer benefit of between $1,271 billion and $1,487 billion, using 7 percent and 3 percent discount rates, respectively. The water conservation standards, together with energy conservation standards that also save water, reduced water use by 1.9 trillion gallons in 2013, and will achieve cumulative water savings by 2090 of 55 trillion gallons. The estimated consumer savings in 2013 from reduced water use amounted to $16 billon.

  17. Water and Energy Interactions

    E-Print Network [OSTI]

    McMahon, James E.

    2013-01-01

    produced water from production of crude oil, natural gas,the production and processing of each gallon of crude oil (production and processing of 1 gallon (3.8 liters) of crude oil

  18. Water and Energy Interactions

    E-Print Network [OSTI]

    McMahon, James E.

    2013-01-01

    water from production of crude oil, natural gas, and coaleach gallon (3.79 liters) of crude oil. When combined withto refine each gallon of crude oil, between 3.6 and 7.0

  19. An Environmental and Economic Trade-off Analysis of Manufacturing Process Chains to Inform Decision Making for Sustainability

    E-Print Network [OSTI]

    Robinson, Stefanie L.

    2013-01-01

    Waste [gallons] Lube oil waste [gallons] Solid Waste [lbs] LWaste (landfill) Liquid Waste (oil) Hazardous Waste (sludge,hydraulic oils used Collect data on all the types of waste

  20. ,"U.S. Total Sales of Residual Fuel Oil by End Use"

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

    to Oil Company Consumers (Thousand Gallons)","U.S. Residual Fuel Oil SalesDeliveries to Electric Utility Consumers (Thousand Gallons)","U.S. Residual Fuel Oil SalesDeliveries to...

  1. Cellulosic Liquid Fuels Commercial Production Today

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

    Fuels RFS2 Approved Modular facilities producing 5-20 million gallons year of RFO Capex of 20-100 MM 20+ years of combustion experience - over 15 million gallons...

  2. Water Withdrawals for Hydraulic Fracturing (Updated May 7, 2014)

    E-Print Network [OSTI]

    Walter, M.Todd

    Water Withdrawals for Hydraulic Fracturing (Updated May 7, 2014) Hydraulic require millions of gallons of water. In Pennsylvania, for example, hydraulic gallons of water over a 2 to 5 day period (SRBC). Natural gas industry

  3. Practice Final

    E-Print Network [OSTI]

    Dec 16, 2003 ... A ?sh tank contains 20 gallons of a salt solution with a concentration of 5 grams of salt per gallon. A salt solution with a concentration of 10 ...

  4. MATH 262 Final Exam

    E-Print Network [OSTI]

    1998-07-24

    Dec 15, 1997 ... A fish tank contains 20 gallons of a salt solution with a concentration of 5 grams of salt per gallon. A salt solution with a concentration of 10 ...

  5. Practice Final Exam

    E-Print Network [OSTI]

    2005-04-21

    Dec 16, 2003 ... A fish tank contains 20 gallons of a salt solution with a concentration of 5 grams of salt per gallon. A salt solution with a concentration of 10 ...

  6. NAME

    E-Print Network [OSTI]

    May 2, 2002 ... A ?sh tank contains 20 gallons of a salt solution with a concentration of 5 grams of salt per gallon. A salt solution with a concentration of 10 ...

  7. Treatment of drinking water to improve its sanitary or bacteriological quality is

    E-Print Network [OSTI]

    ,000 gallons), such an approach can be wasteful, increasing energy costs for the well pump to refill the tank-gallon bucket and fill the bucket with clean water. Thoroughly mix together the chlorine and water before

  8. Workbook Contents

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

    "Date","U.S. Kerosene SalesDeliveries to Other End Users (Thousand Gallons)","East Coast (PADD 1) Kerosene SalesDeliveries to Other End Users (Thousand Gallons)","New England...

  9. Workbook Contents

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

    VTESOR1","KDRVTESWA1" "Date","U.S. Kerosene Retail Deliveries (Thousand Gallons)","East Coast (PADD 1) Kerosene Retail Deliveries (Thousand Gallons)","New England (PADD 1A)...

  10. Workbook Contents

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

    "Date","U.S. Kerosene Adj SalesDeliveries Total to End Users (Thousand Gallons)","East Coast (PADD 1) Kerosene Adj SalesDeliveries Total to End Users (Thousand Gallons)","New...

  11. Workbook Contents

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

    "Date","U.S. Kerosene SalesDeliveries to Farm Consumers (Thousand Gallons)","East Coast (PADD 1) Kerosene SalesDeliveries to Farm Consumers (Thousand Gallons)","New England...

  12. Workbook Contents

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

    Total Distillate SalesDeliveries to Other End Users (Thousand Gallons)","East Coast (PADD 1) Total Distillate SalesDeliveries to Other End Users (Thousand Gallons)","New...

  13. Lesson 33 The two methods we have used to solve systems are ...

    E-Print Network [OSTI]

    Patrick Devlin

    2014-06-02

    A large solar heating panel requires 120 gallons of a fluid that is 30% antifreeze. The fluid comes in either a 50% solution or a 20% solution. How many gallons ...

  14. MA 15300 Lesson 8 Notes Remember: When working with ...

    E-Print Network [OSTI]

    Bailey, Charlotte M

    2014-06-17

    A large solar heating panel requires 120 gallons of a fluid that is 30% antifreeze. The fluid comes in either a 50% solution or a 20% solution. How many gallons ...

  15. Ocean Odysseys: Jack O'Neill, Dan Haifley, and the Monterey Bay National Marine Sanctuary

    E-Print Network [OSTI]

    O'Neill, Jack; Haifley, Dan; Reti, Irene; Regional History Project, UCSC Library

    2012-01-01

    416,598 gallons of crude oil. It was owned by British10.8 million gallons of crude oil into Prince William Sound,4.9 million barrels of crude oil. This is the largest

  16. c34.xls

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

    per Worker (gallons) per Building (thousand dollars) per Square Foot (dollars) per Gallon (dollars) All Buildings* ... 3,555 0.11 81.6 3.9 0.12 1.11...

  17. The Home Energy Score: Measuring 'MPG' For Your Home | Department...

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

    Editor's Note: Cross-posted from the Energy Blog. You may know the miles per gallon your car gets, but have you ever wanted to know the miles per gallon your home gets? Vice...

  18. Last Updated 5/2014 Case Study AD-21 Manure Management Program

    E-Print Network [OSTI]

    Walter, M.Todd

    ,000 gallons Estimated hydraulic retention time 30 days Solid-liquid separator Yes; screw press solid separator description A 1.3 million-gallon mixed digester with a designed hydraulic retention time of approximately 30

  19. Prepared for the U.S. Department of Energy under Contract DE-AC05-76RL01830

    E-Print Network [OSTI]

    the preliminary L. starkeyi metabolic model. The current plant gate production cost for a distillate-range hydrocarbon fuel was estimated by the process model Base Case to be $9.5/gallon ($9.0 /gallon of gasoline

  20. More Final Exam Practice Problems

    E-Print Network [OSTI]

    Bailey, Charlotte M

    2014-05-02

    11) A solar heating panel requires 150 gallons of a fluid that is 55% antifreeze. The fluid comes in either a 75% or a 30% solution. How many gallons of the 75%