National Library of Energy BETA

Sample records for direct uses-total process

  1. Direct coal liquefaction process

    DOE Patents [OSTI]

    Rindt, J.R.; Hetland, M.D.

    1993-10-26

    An improved multistep liquefaction process for organic carbonaceous mater which produces a virtually completely solvent-soluble carbonaceous liquid product. The solubilized product may be more amenable to further processing than liquid products produced by current methods. In the initial processing step, the finely divided organic carbonaceous material is treated with a hydrocarbonaceous pasting solvent containing from 10% and 100% by weight process-derived phenolic species at a temperature within the range of 300 C to 400 C for typically from 2 minutes to 120 minutes in the presence of a carbon monoxide reductant and an optional hydrogen sulfide reaction promoter in an amount ranging from 0 to 10% by weight of the moisture- and ash-free organic carbonaceous material fed to the system. As a result, hydrogen is generated via the water/gas shift reaction at a rate necessary to prevent condensation reactions. In a second step, the reaction product of the first step is hydrogenated.

  2. Direct coal liquefaction process

    DOE Patents [OSTI]

    Rindt, John R. (Grand Forks, ND); Hetland, Melanie D. (Grand Forks, ND)

    1993-01-01

    An improved multistep liquefaction process for organic carbonaceous mater which produces a virtually completely solvent-soluble carbonaceous liquid product. The solubilized product may be more amenable to further processing than liquid products produced by current methods. In the initial processing step, the finely divided organic carbonaceous material is treated with a hydrocarbonaceous pasting solvent containing from 10% and 100% by weight process-derived phenolic species at a temperature within the range of 300.degree. C. to 400.degree. C. for typically from 2 minutes to 120 minutes in the presence of a carbon monoxide reductant and an optional hydrogen sulfide reaction promoter in an amount ranging from 0 to 10% by weight of the moisture- and ash-free organic carbonaceous material fed to the system. As a result, hydrogen is generated via the water/gas shift reaction at a rate necessary to prevent condensation reactions. In a second step, the reaction product of the first step is hydrogenated.

  3. Direct access inter-process shared memory

    DOE Patents [OSTI]

    Brightwell, Ronald B; Pedretti, Kevin; Hudson, Trammell B

    2013-10-22

    A technique for directly sharing physical memory between processes executing on processor cores is described. The technique includes loading a plurality of processes into the physical memory for execution on a corresponding plurality of processor cores sharing the physical memory. An address space is mapped to each of the processes by populating a first entry in a top level virtual address table for each of the processes. The address space of each of the processes is cross-mapped into each of the processes by populating one or more subsequent entries of the top level virtual address table with the first entry in the top level virtual address table from other processes.

  4. Text Processing a Policy or Notice - DOE Directives, Delegations...

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

    Processing a Policy or Notice Processing a Policy or Notice Processing an Order or Guide Canceling a Directive by Website Administrator Development from justification memorandum...

  5. Baryon direct Urca processes in neutron star cooling

    E-Print Network [OSTI]

    Xu, Yan; Fan, Cun Bo; Zhang, Xiao Jun; Bao, Tmurbagan; Zhu, Ming Feng; Wang, Hong Yan

    2015-01-01

    A detailed description of the nucleon direct Urca processes related to the neutron star cooling is given and how they are affected by the degrees of freedom of hyperons and hyperon direct Urca processes are presented. These results indicate that the appearance of hyperons can sharply suppress the neutrino emissivity of the nucleon direct Urca processes.However, the contribution of the reactions $\\Lambda\\rightarrow p+e+\\bar{\

  6. Baryon direct Urca processes in neutron star cooling

    E-Print Network [OSTI]

    Yan Xu; Cheng Zhi Liu; Cun Bo Fan; Xiao Jun Zhang; Tmurbagan Bao; Ming Feng Zhu; Hong Yan Wang

    2015-09-17

    A detailed description of the nucleon direct Urca processes related to the neutron star cooling is given and how they are affected by the degrees of freedom of hyperons and hyperon direct Urca processes are presented. These results indicate that the appearance of hyperons can sharply suppress the neutrino emissivity of the nucleon direct Urca processes.However, the contribution of the reactions $\\Lambda\\rightarrow p+e+\\bar{\

  7. Droplet Bouncing Behavior in the Direct Solder Bumping Process

    E-Print Network [OSTI]

    Hsiao, Wayne

    This paper presents the results of an ongoing effort to develop a direct solder bumping process for electronics packaging. The proposed process entails delivering molten droplets onto specific locations on electronic devices ...

  8. Development of the Direct Fabrication Process for Plutonium Immobilization

    SciTech Connect (OSTI)

    Congdon, J.W.

    2001-07-10

    The current baseline process for fabricating pucks for the Plutonium Immobilization Program includes granulation of the milled feed prior to compaction. A direct fabrication process was demonstrated that eliminates the need for granulation.

  9. Direct Scattering Processes and Signatures of Chaos in Quantum Waveguides

    E-Print Network [OSTI]

    G. B. Akguc; L. E. Reichl

    2003-02-14

    The effect of direct processes on the statistical properties of deterministic scattering processes in a chaotic waveguide is examined. The single channel Poisson kernel describes well the distribution of S-matrix eigenphases when evaluated over an energy interval. When direct processes are transformed away, the scattering processes exhibit universal random matrix behavior. The effect of chaos on scattering wavefunctions,eigenphases, and time delays is discussed.

  10. A Goal-Directed Modeling Technique towards Business Process

    E-Print Network [OSTI]

    Perry, Dewayne E.

    A Goal-Directed Modeling Technique towards Business Process Yuqun Zhang, Dewayne E. Perry Center--The modeling techniques for business process are mostly graphics-based, that is argued to be simplified when- plore the properties of the business processes under this modeling technique, we define a set of metrics

  11. Identification and Cross-Directional Control of Coating Processes

    E-Print Network [OSTI]

    Identification and Cross-Directional Control of Richard Coating Processes D. Braatz, Matthew L to the directionperpendicular to thesubstrate move- ment. The objective of the controller is to maintain a uniform coating under un- measured process disturbances. Assumptions that are relevant to coating processes found

  12. The hierarchy of directional interactions in visual motion processing

    E-Print Network [OSTI]

    Curran, William

    The hierarchy of directional interactions in visual motion processing William Curran1,*, Colin W. G (Gre`zes et al. 2001), as well as the DAE (Kohn & Movshon 2004; Curran et al. 2006a; Wiese & Wenderoth 2007) and direction repulsion (Hiris & Blake 1996; Kim & Wilson 1997; Benton & Curran 2003; Grunewald

  13. Conversion of direct process high-boiling residue to monosilanes

    DOE Patents [OSTI]

    Brinson, Jonathan Ashley (Vale of Glamorgan, GB); Crum, Bruce Robert (Madison, IN); Jarvis, Jr., Robert Frank (Midland, MI)

    2000-01-01

    A process for the production of monosilanes from the high-boiling residue resulting from the reaction of hydrogen chloride with silicon metalloid in a process typically referred to as the "direct process." The process comprises contacting a high-boiling residue resulting from the reaction of hydrogen chloride and silicon metalloid, with hydrogen gas in the presence of a catalytic amount of aluminum trichloride effective in promoting conversion of the high-boiling residue to monosilanes. The present process results in conversion of the high-boiling residue to monosilanes. At least a portion of the aluminum trichloride catalyst required for conduct of the process may be formed in situ during conduct of the direct process and isolation of the high-boiling residue.

  14. The Fastmet[sup SM] direct reduction process

    SciTech Connect (OSTI)

    Lepinski, J.A.

    1993-01-01

    The Fastmet Process offers a simple and economical approach to producing direct reduced iron (DRI). It combines conventional equipment into a reliable ironmaking system. The process is ideally suited for processing U.S. iron oxide concentrates and coals. High iron yields are achievable due to the inherent ability to recycle in-plant fines and dust. Very low residence time of material in the rotary hearth furnace allows rapid adjustment of process parameters and minimal production loss from process upsets. Environmental impact is minimal. The paper gives a description of the process, then describes the economics, test facilities, test results, and scale-up.

  15. Pulse thermal processing of functional materials using directed plasma arc

    DOE Patents [OSTI]

    Ott, Ronald D. (Knoxville, TN); Blue, Craig A. (Knoxville, TN); Dudney, Nancy J. (Knoxville, TN); Harper, David C. (Kingston, TN)

    2007-05-22

    A method of thermally processing a material includes exposing the material to at least one pulse of infrared light emitted from a directed plasma arc to thermally process the material, the pulse having a duration of no more than 10 s.

  16. Slag processing system for direct coal-fired gas turbines

    DOE Patents [OSTI]

    Pillsbury, Paul W. (Winter Springs, FL)

    1990-01-01

    Direct coal-fired gas turbine systems and methods for their operation are provided by this invention. The systems include a primary combustion compartment coupled to an impact separator for removing molten slag from hot combustion gases. Quenching means are provided for solidifying the molten slag removed by the impact separator, and processing means are provided forming a slurry from the solidified slag for facilitating removal of the solidified slag from the system. The released hot combustion gases, substantially free of molten slag, are then ducted to a lean combustion compartment and then to an expander section of a gas turbine.

  17. DIRECT SOLID-STATE PRECIPITATION PROCESSED A-15 (Nb3Al) SUPERCONDUCTING MATERIAL

    E-Print Network [OSTI]

    Hong, M.

    2010-01-01

    Letters DIRECT SOLID-STATE PRECIPITATION PROCESSED A-15 (Nb48 DIRECT SOLID-STATE PRECIPITATION PROCESSED A-IS (Nb Al)ABSTRACT A "solid~state precipitation" process was used to

  18. Direction of CRT waste glass processing: Electronics recycling industry communication

    SciTech Connect (OSTI)

    Mueller, Julia R., E-mail: mueller.143@osu.edu [Ohio State University, William G. Lowrie Department of Chemical and Biomolecular Engineering, OH (United States) and University of Queensland, School of Chemical Engineering (Australia) and Ohio State University, Materials Science and Engineering, OH (United States); Boehm, Michael W. [University of Queensland, School of Chemical Engineering (Australia); Drummond, Charles [Ohio State University, Materials Science and Engineering, OH (United States)

    2012-08-15

    Highlights: Black-Right-Pointing-Pointer Given a large flow rate of CRT glass {approx}10% of the panel glass stream will be leaded. Black-Right-Pointing-Pointer The supply of CRT waste glass exceeded demand in 2009. Black-Right-Pointing-Pointer Recyclers should use UV-light to detect lead oxide during the separation process. Black-Right-Pointing-Pointer Recycling market analysis techniques and results are given for CRT glass. Black-Right-Pointing-Pointer Academic initiatives and the necessary expansion of novel product markets are discussed. - Abstract: Cathode Ray Tube, CRT, waste glass recycling has plagued glass manufacturers, electronics recyclers and electronics waste policy makers for decades because the total supply of waste glass exceeds demand, and the formulations of CRT glass are ill suited for most reuse options. The solutions are to separate the undesirable components (e.g. lead oxide) in the waste and create demand for new products. Achieving this is no simple feat, however, as there are many obstacles: limited knowledge of waste glass composition; limited automation in the recycling process; transportation of recycled material; and a weak and underdeveloped market. Thus one of the main goals of this paper is to advise electronic glass recyclers on how to best manage a diverse supply of glass waste and successfully market to end users. Further, this paper offers future directions for academic and industry research. To develop the recommendations offered here, a combination of approaches were used: (1) a thorough study of historic trends in CRT glass chemistry; (2) bulk glass collection and analysis of cullet from a large-scale glass recycler; (3) conversations with industry members and a review of potential applications; and (4) evaluation of the economic viability of specific uses for recycled CRT glass. If academia and industry can solve these problems (for example by creating a database of composition organized by manufacturer and glass source) then the reuse of CRT glass can be increased.

  19. Determination of Total Petroleum Hydrocarbons (TPH) Using Total Carbon Analysis

    SciTech Connect (OSTI)

    Ekechukwu, A.A.

    2002-05-10

    Several methods have been proposed to replace the Freon(TM)-extraction method to determine total petroleum hydrocarbon (TPH) content. For reasons of cost, sensitivity, precision, or simplicity, none of the replacement methods are feasible for analysis of radioactive samples at our facility. We have developed a method to measure total petroleum hydrocarbon content in aqueous sample matrixes using total organic carbon (total carbon) determination. The total carbon content (TC1) of the sample is measured using a total organic carbon analyzer. The sample is then contacted with a small volume of non-pokar solvent to extract the total petroleum hydrocarbons. The total carbon content of the resultant aqueous phase of the extracted sample (TC2) is measured. Total petroleum hydrocarbon content is calculated (TPH = TC1-TC2). The resultant data are consistent with results obtained using Freon(TM) extraction followed by infrared absorbance.

  20. Markov Decision Processes: Models, Methods, Directions and Open Problems

    E-Print Network [OSTI]

    Shwartz, Adam

    of optimization models for the operation of multipurpose reser- voir systems does not seem widespread. Instead and the St-Lawrence seaway. Throughout the twentieth cen- tury, hydroelectric production has become a major modeling of reservoir management problems as Markov decision processes (MDP), and their optimization

  1. Subtask 3.9 - Direct Coal Liquefaction Process Development

    SciTech Connect (OSTI)

    Aulich, Ted; Sharma, Ramesh

    2012-07-01

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

  2. IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. , NO. , APRIL 2006 1 A directional continuous wavelet

    E-Print Network [OSTI]

    McEwen, Jason

    IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. ­, NO. ­, APRIL 2006 1 A directional continuous of a directional continuous wavelet analysis on the sphere is derived herein. We adopt the harmonic scaling idea in these settings. In this work we construct a new directional continuous spherical wavelet transform (CSWT

  3. Slag processing system for direct coal-fired gas turbines

    DOE Patents [OSTI]

    Pillsbury, Paul W. (Winter Springs, FL)

    1990-01-01

    Direct coal-fired gas turbine systems and methods for their operation are provided by this invention. The gas turbine system includes a primary zone for burning coal in the presence of compressed air to produce hot combustion gases and debris, such as molten slag. The turbine system further includes a secondary combustion zone for the lean combustion of the hot combustion gases. The operation of the system is improved by the addition of a cyclone separator for removing debris from the hot combustion gases. The cyclone separator is disposed between the primary and secondary combustion zones and is in pressurized communication with these zones. In a novel aspect of the invention, the cyclone separator includes an integrally disposed impact separator for at least separating a portion of the molten slag from the hot combustion gases.

  4. Biomedical Signal Processing and Control 10 (2014) 245249 Contents lists available at ScienceDirect

    E-Print Network [OSTI]

    Sprott, Julien Clinton

    2014-01-01

    Biomedical Signal Processing and Control 10 (2014) 245­249 Contents lists available at ScienceDirect Biomedical Signal Processing and Control journal homepage: www.elsevier.com/locate/bspc Technical Note-band in the fre- quency domain [4], which makes conventional signal processing methods and linear methods

  5. Digital Signal Processing 23 (2013) 15851591 Contents lists available at SciVerse ScienceDirect

    E-Print Network [OSTI]

    Chapeau-Blondeau, François

    2013-01-01

    Digital Signal Processing 23 (2013) 1585­1591 Contents lists available at SciVerse ScienceDirect Digital Signal Processing www.elsevier.com/locate/dsp Weak signal detection: Condition for noise induced with useful potential for nonlinear signal processing. In this letter, we focus on the detection enhancement

  6. Information Processing Letters 113 (2013) 764770 Contents lists available at SciVerse ScienceDirect

    E-Print Network [OSTI]

    Youssef, Amr M.

    2013-01-01

    Direct Information Processing Letters www.elsevier.com/locate/ipl Second order collision for the 42-step reduced DHA progress has been reported in analysis of SHA-2: collisions and pseudo-collisions for vari- ants of SHA-2

  7. Perception of static eye gaze direction facilitates subsequent early visual processing

    E-Print Network [OSTI]

    Rossion, Bruno

    Perception of static eye gaze direction facilitates subsequent early visual processing Anne similar early sensory modulations are also elicited by static gaze cues, or if previously described in the right hemisphere. Conclusions: Spatial attention triggered by static eye gaze direction produces

  8. SUMMARY REPORT OF THE DOE DIRECT LIQUEFACTION PROCESS DEVELOPMENT CAMPAIGN OF THE LATE TWENTIETH CENTURY

    SciTech Connect (OSTI)

    F.P. Burke; S.D. Brandes; D.C. McCoy; R.A. Winschel; D. Gray; G. Tomlinson

    2001-07-01

    Following the petroleum price and supply disruptions of 1973, the U.S. government began a substantial program to fund the development of alternative fuels. Direct coal liquefaction was one of the potential routes to alternative fuels. The direct coal liquefaction program was funded at substantial levels through 1982, and at much lower levels thereafter. Those processes that were of most interest during this period were designed to produce primarily distillate fuels. By 1999, U.S. government funding for the development of direct coal liquefaction ended. Now that the end of this campaign has arrived, it is appropriate to summarize the process learnings derived from it. This report is a summary of the process learnings derived from the DOE direct coal liquefaction process development campaign of the late twentieth century. The report concentrates on those process development programs that were designed to produce primarily distillate fuels and were largely funded by DOE and its predecessors in response to the petroleum supply and price disruptions of the 1970s. The report is structured as chapters written by different authors on most of the major individual DOE-funded process development programs. The focus of the report is process learnings, as opposed to, say, fundamental coal liquefaction science or equipment design. As detailed in the overview (Chapter 2), DOE's direct coal liquefaction campaign made substantial progress in improving the process yields and the quality of the distillate product. Much of the progress was made after termination by 1983 of the major demonstration programs of the ''first generation'' (SRC-II, H-Coal, EDS) processes.

  9. IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 61, NO. 9, MAY 2013 1 Fast Directional Spatially Localized

    E-Print Network [OSTI]

    McEwen, Jason

    IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 61, NO. 9, MAY 2013 1 Fast Directional Spatially Localized Spherical Harmonic Transform Zubair Khalid, Student Member, IEEE, Rodney A. Kennedy, Fellow, IEEE, Salman Durrani, Senior Member, IEEE, Parastoo Sadeghi, Senior Member, IEEE, Yves Wiaux, Member, IEEE

  10. Direct

    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 BondingMeetingDifferences BetweenDirac Charge Dynamcs inDirect

  11. Directions

    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 BondingMeetingDifferencesPlatinum FuelEnergy InnovationDirections

  12. A new direct steel making process based upon the blast furnace (Including scrap processing with recovery of tramp elements)

    SciTech Connect (OSTI)

    Nabi, G.

    1996-12-31

    Steel is produced from raw materials containing iron and alloying elements with direct elimination of oxygen and impurities in the blast furnace process. The blast furnace shaft is modified to take off load from the liquid bath and carbon is prevented from going into the liquid steel. In the gas purification system sulphur and CO{sub 2} removal facilities are included and purified reducing gases so obtained are combusted in the hearth with oxygen to produce heat for smelting. Scrap can be charged as raw material with the recovery of tramp elements with continuous production of liquid steel.

  13. Protein Viability on Au Nanoparticles during an Electrospray and Electrostatic-Force-Directed Assembly Process

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

    Mao, Shun; Lu, Ganhua; Yu, Kehan; Chen, Junhong

    2010-01-01

    We study the protein viability on Au nanoparticles during an electrospray and electrostatic-force-directed assembly process, through which Au nanoparticle-antibody conjugates are assembled onto the surface of carbon nanotubes (CNTs) to fabricate carbon nanotube field-effect transistor (CNTFET) biosensors. Enzyme-linked immunosorbent assay (ELISA) and field-effect transistor (FET) measurements have been used to investigate the antibody activity after the nanoparticle assembly. Upon the introduction of matching antigens, the colored reaction from the ELISA and the change in the electrical characteristic of the CNTFET device confirm that the antibody activity is preserved during the assembly process.

  14. Polyimide-waveguide-based thermal optical switch using total-internal-reflection effect

    E-Print Network [OSTI]

    Chen, Ray

    Polyimide-waveguide-based thermal optical switch using total-internal-reflection effect Jianyi Yang with an X junction was designed and fabricated by using the thermo-optic effect of polyimide materials and fabricated the TIR TO switch us- ing polyimide materials. The TO effect of polymeric materials is negative, i

  15. Simulation and Experiment on Direct Continuous Casting Process of Lead Frame Copper Alloy

    SciTech Connect (OSTI)

    Huang Guojie; Xie Shuisheng; Cheng Lei [State Key Laboratory for Fabrication and Process of Nonferrous Metals, Beijing General Research Institute for Non-ferrous Metals, 100088 (China)

    2010-06-15

    Direct Continuous Casting (D.C.C) is an important method in casting lead frame copper alloy. In this paper, numerical simulation is adopted to investigate the casting process in order to optimize the D.C.C technical parameters, such as the casting temperature, casting speed and cooling intensity. According to the numerical results, the reasonable parameters are that the casting temperature is between 1413 Kapprox1413 K, the casting speed is between 8 m/happrox10 m/h and the speed of cooling water is between 4.2 m/sapprox4.6 m/s. And the depth of liquid-solid boundary is measured in different casting temperature and casting speed by experiments. The results show the actual measurements have a little deviation with the numerical simulation. The results of numerical simulation provide the significant reference to the actual experiments.

  16. Performance and cost models for the direct sulfur recovery process. Task 1 Topical report, Volume 3

    SciTech Connect (OSTI)

    Frey, H.C. [North Carolina State Univ., Raleigh, NC (United States); Williams, R.B. [Carneigie Mellon Univ., Pittsburgh, PA (United States)

    1995-09-01

    The purpose of this project is to develop performance and cost models of the Direct Sulfur Recovery Process (DSRP). The DSRP is an emerging technology for sulfur recovery from advanced power generation technologies such as Integrated Gasification Combined Cycle (IGCC) systems. In IGCC systems, sulfur present in the coal is captured by gas cleanup technologies to avoid creating emissions of sulfur dioxide to the atmosphere. The sulfur that is separated from the coal gas stream must be collected. Leading options for dealing with the sulfur include byproduct recovery as either sulfur or sulfuric acid. Sulfur is a preferred byproduct, because it is easier to handle and therefore does not depend as strongly upon the location of potential customers as is the case for sulfuric acid. This report describes the need for new sulfur recovery technologies.

  17. A Validation System for the Complex Event Processing Directives of the ATLAS Shifter Assistant Tool

    E-Print Network [OSTI]

    Anders, Gabriel; The ATLAS collaboration; Kazarov, Andrei; Lehmann Miotto, Giovanna; Santos, Alejandro; Soloviev, Igor

    2015-01-01

    Complex Event Processing (CEP) is a methodology that combines data from different sources in order to identify events or patterns that need particular attention. It has gained a lot of momentum in the computing world in the past few years and is used in ATLAS to continuously monitor the behaviour of the data acquisition system, to trigger corrective actions and to guide the experiment’s operators. This technology is very powerful, if experts regularly insert and update their knowledge about the system’s behaviour into the CEP engine. Nevertheless, writing or modifying CEP directives is not trivial since the used programming paradigm is quite different with respect to what developers are normally familiar with. In order to help experts verify that the directives work as expected, we have thus developed a complete testing and validation environment. This system consists of three main parts: the first is the persistent storage of all relevant data streams that are produced during data taking, the second is a...

  18. Transport processes in directional solidification and their effects on microstructure development

    SciTech Connect (OSTI)

    Mazumder, Prantik

    1999-11-08

    The processing of materials with unique electronic, mechanical, optical and thermal properties plays a crucial role in modern technology. The quality of these materials depend strongly on the microstructure and the solute/dopant fields in the solid product, that are strongly influenced by the intricate coupling of heat and mass transfer and melt flow in the growth systems. An integrated research program is developed that include precisely characterized experiments and detailed physical and numerical modeling of the complex transport and dynamical processes. Direct numerical simulation of the solidification process is carried out that takes into account the unsteady thermo-solutal convection in the vertical Bridgman crystal growth system, and accurately models the thermal interaction between the furnace and the ampoule by appropriately using experimentally measured thermal profiles. The flow instabilities and transitions and the nonlinear evolution following the transitions are investigated by time series and flow pattern analysis. A range of complex dynamical behavior is predicted with increasing thermal Rayleigh number. The route to chaos appears as: steady convection {r_arrow} transient mono-periodic {r_arrow} transient bi-periodic {r_arrow} transient quasi-periodic {r_arrow} transient intermittent oscillation-relaxation {r_arrow} stable intermittent oscillation-relaxation attractor. The spatio-temporal dynamics of the melt flow is found to be directly related to the spatial patterns observed experimentally in the solidified crystals. The application of the model to two phase Sn-Cd peritectic alloys showed that a new class of tree-like oscillating microstructure develops in the solid phase due to unsteady thermo-solutal convection in the liquid melt. These oscillating layered structures can give the illusion of band structures on a plane of polish. The model is applied to single phase solidification in the Al-Cu and Pb-Sn systems to characterize the effect of convection on the macroscopic shape and disorder in the primary arm spacing of the cellular/dendritic freezing front. The apparently puzzling experimental observation of higher disorder in the weakly convective Al-Cu system than that in the highly convective Pb-Sn system is explained by the numerical calculations.

  19. The direct application of geothermal energy to provide process heat in Guatemala

    SciTech Connect (OSTI)

    Altseimer, J.H.; Edeskuty, F.J.

    1987-09-01

    One part of an energy and resource development program in Central America is a geothermal process heat project in Guatemala. The feasibility of the direct heat application depends upon the production characteristics and reliability of the geothermal source. Other factors are the distance from the heat source, quantity of use, and capacity factor of the use facilities. Favorable conditions would be distances of under 5 km, heat requirements approximately equal to the well capacity, and high capacity factors (say 60% or higher) in the industrial plants. Depending upon the values of these factors, energy costs of less than $1.00/million Btus to greater than $5.00/million Btus have been estimated. This can be compared to about $5.00/million Btus for petroleum-based fuels in Guatemala in mid 1987. A survey was made of existing industries in the Amatitlan and Zunil geothermal areas. In both Amatitlan and Zunil the existing industries are spread out over an area too large to be called an optimum. The most promising situation for an industrial park development is at Amatitlan, except that proven production wells are not yet available. At Zunil, production wells exist, but a diverse nearby industrial base does not. However, both of these two areas are sufficiently promising to merit further development. Consequently, a demonstration project is underway aimed at the ultimate establishment of an agricultural processing center at Zunil. This center would have the capability to process agricultural products by dehydration, freezing, and cold storage. 2 refs., 4 figs., 2 tabs.

  20. Probable new type of reaction mechanism: Double. cap alpha. direct transfer process

    SciTech Connect (OSTI)

    Xu Shu-wei; Wu Guo-hua; Miao Rong-zhi; Han Fei

    1983-10-01

    It is assumed that /sup 8/Be consists of two ..cap alpha.. particles which are close to each other in configuration space. A spectroscopic density of /sup 8/Be cluster in the residue nuclei is then obtained, which is proportional to the square of the preformation probability of ..cap alpha.. particle at nuclear surface. Using the improved method of parametrization of EFR-DWBA overlap integral,/sup 1//sup en-dash//sup 2/ we calculate the double differential energy spectra and angular distributions of ..cap alpha.. particles for the reactions /sup 209/Bi (/sup 12/C, ..cap alpha..) /sup 217/Fr and extract the preformation probability of ..cap alpha.. particle at the surface of /sup 217/Fr nuclei from fitting the experimental data. The agreement within the range of calculation error between the preformation probabilities extracted from transfer reactions and ..cap alpha.. decay suggests that the reaction /sup 209/Bi(/sup 12/C, ..cap alpha..) /sup 217/Fr may be explained as a double ..cap alpha.. direct transfer process.

  1. A Validation System for the Complex Event Processing Directives of the ATLAS Shifter Assistant Tool

    E-Print Network [OSTI]

    Santos, Alejandro; The ATLAS collaboration; Avolio, Giuseppe; Kazarov, Andrei; Lehmann Miotto, Giovanna; Soloviev, Igor

    2015-01-01

    Complex Event Processing (CEP) is a methodology that combines data from many sources in order to identify events or patterns that need particular attention. It has gained a lot of momentum in the computing world in the past few years and is used in ATLAS to continuously monitor the behaviour of the data acquisition system, to trigger corrective actions and to guide the experiment’s operators. This technology is very powerful, if experts regularly insert and update their knowledge about the system’s behaviour into the CEP engine. Nevertheless, writing or modifying CEP rules is not trivial since the used programming paradigm is quite different with respect to what developers are normally familiar with. In order to help experts verify that the directives work as expected, we have thus developed a complete testing and validation environment. This system consists of three main parts: the first is the data reader from existing storage of all relevant data streams that are produced during data taking, the second...

  2. A UbcH5/Ubiquitin Noncovalent Complex is Required for Processive BRCA1-Directed Ubiquitination

    SciTech Connect (OSTI)

    Brzovic, Peter S.; Lissounov, Alexei V.; Christensen, Devin; Hoyt, David W.; Klevit, Rachel E.

    2006-03-17

    Protein ubiquitination is a powerful regulatory modification that influences nearly every aspect of eukaryotic cell biology. The general pathway for ubiquitin (Ub) modification requires the sequential activities of a Ub-activating enzyme (E1), a Ub transfer enzyme (E2), and a Ub ligase (E3). The E2 must recognize both the E1 and a cognate E3 in addition to carrying activated Ub. These central functions are performed by a topologically conserved a/b-fold core domain ofw150 residues shared by all E2s. However, as presented herein, the UbcH5 family of E2s can also bind Ub noncovalently on a surface well removed from the E2 active site. We present the solution structure of the UbcH5c/ Ub noncovalent complex and demonstrate that this noncovalent interaction permits self-assembly of activated UbcH5cwUb molecules. Self-assembly has profound consequences for the processive formation of polyubiquitin (poly-Ub) chains in ubiquitination reactions directed by the breast and ovarian cancer tumor susceptibility protein BRCA1

  3. Faster processing of multiple spatially-heterodyned direct to digital holograms

    DOE Patents [OSTI]

    Hanson, Gregory R.; Bingham, Philip R.

    2006-10-03

    Systems and methods are described for faster processing of multiple spatially-heterodyned direct to digital holograms. A method includes of obtaining multiple spatially-heterodyned holograms, includes: digitally recording a first spatially-heterodyned hologram including spatial heterodyne fringes for Fourier analysis; digitally recording a second spatially-heterodyned hologram including spatial heterodyne fringes for Fourier analysis; Fourier analyzing the recorded first spatially-heterodyned hologram by shifting a first original origin of the recorded first spatially-heterodyned hologram including spatial heterodyne fringes in Fourier space to sit on top of a spatial-heterodyne carrier frequency defined as a first angle between a first reference beam and a first, object beam; applying a first digital filter to cut off signals around the first original origin and performing an inverse Fourier transform on the result; Fourier analyzing the recorded second spatially-heterodyned hologram by shifting a second original origin of the recorded second spatially-heterodyned hologram including spatial heterodyne fringes in Fourier space to sit on top of a spatial-heterodyne carrier frequency defined as a second angle between a second reference beam and a second object beam; and applying a second digital filter to cut off signals around the second original origin and performing an inverse Fourier transform on the result, wherein digitally recording the first spatially-heterodyned hologram is completed before digitally recording the second spatially-heterodyned hologram and a single digital image includes both the first spatially-heterodyned hologram and the second spatially-heterodyned hologram.

  4. Faster processing of multiple spatially-heterodyned direct to digital holograms

    DOE Patents [OSTI]

    Hanson, Gregory R [Clinton, TN; Bingham, Philip R [Knoxville, TN

    2008-09-09

    Systems and methods are described for faster processing of multiple spatially-heterodyned direct to digital holograms. A method includes of obtaining multiple spatially-heterodyned holograms, includes: digitally recording a first spatially-heterodyned hologram including spatial heterodyne fringes for Fourier analysis; digitally recording a second spatially-heterodyned hologram including spatial heterodyne fringes for Fourier analysis; Fourier analyzing the recorded first spatially-heterodyned hologram by shifting a first original origin of the recorded first spatially-heterodyned hologram including spatial heterodyne fringes in Fourier space to sit on top of a spatial-heterodyne carrier frequency defined as a first angle between a first reference beam and a first object beam; applying a first digital filter to cut off signals around the first original origin and performing an inverse Fourier transform on the result; Fourier analyzing the recorded second spatially-heterodyned hologram by shifting a second original origin of the recorded second spatially-heterodyned hologram including spatial heterodyne fringes in Fourier space to sit on top of a spatial-heterodyne carrier frequency defined as a second angle between a second reference beam and a second object beam; and applying a second digital filter to cut off signals around the second original origin and performing an inverse Fourier transform on the result, wherein digitally recording the first spatially-heterodyned hologram is completed before digitally recording the second spatially-heterodyned hologram and a single digital image includes both the first spatially-heterodyned hologram and the second spatially-heterodyned hologram.

  5. Direct extraction of oil from sunflower seeds by twin-screw extruder according to an aqueous extraction process: Feasibility

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Direct extraction of oil from sunflower seeds by twin-screw extruder according to an aqueous the feasibility of an aqueous process to extract sunflower seed oil using a co-rotating twin-screw extruder. Aqueous extraction was carried out using whole seeds and the influence of the operating conditions on oil

  6. Abstract--The energy efficiency of a CMOS architecture processing dynamic workloads directly affects its ability to

    E-Print Network [OSTI]

    Calhoun, Benton H.

    Abstract-- The energy efficiency of a CMOS architecture processing dynamic workloads directly efficient dithering among statically scheduled algorithms with sub-block energy savings. This way, PDVS densities, and "green" computing initiatives have prioritized energy efficiency as a first class system

  7. Economic feasibility study: CFR advanced direct coal liquefaction process. Volume 4

    SciTech Connect (OSTI)

    Not Available

    1994-09-01

    Preliminary technical and economic data are presented on the CFR Advanced Coal Liquefaction Process. Operating cost estimates and material balances are given.

  8. Directions in the study of ocean chemistry over the Phanerozoic and its links to geologic processes

    E-Print Network [OSTI]

    Paytan, Adina

    processes To study the changes over geologic time in the salts of seawater is to study not just marine chemistry, but the intertwined tales of geologic processes: tectonics, climate, biomineralization of the concentration and isotopic composition of these salts is information about rates of deep sea hydrothermal

  9. ANA and GIS zeolite synthesis directly from alumatrane and silatrane by sol-gel process and microwave technique

    E-Print Network [OSTI]

    Gulari, Erdogan

    ANA and GIS zeolite synthesis directly from alumatrane and silatrane by sol-gel process, Na2O and H2O at 1:0.25:3:410, GIS was synthesized at hydrothermal treatment of 3 h at 110 C, while analcium (ANA) was produced at 130 C for 8 h. GIS obtained had 4.55 mm in size while ANA's size was 9

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

    SciTech Connect (OSTI)

    Albert Calderon

    2004-10-28

    This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort which will last 42 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets and coke.

  11. Performance of solid oxide fuel cells operated with coal syngas provided directly from a gasification process

    SciTech Connect (OSTI)

    Hackett, Gregory A.; Gerdes, Kirk R.; Song, Xueyan; Chen, Yun; Shutthanandan, V.; Engelhard, Mark H.; Zhu, Zihua; Thevuthasan, Suntharampillai; Gemmen, Randall

    2012-09-15

    Solid oxide fuel cells (SOFCs) are presently being developed for gasification integrated power plants that generate electricity from coal at 50+% efficiency. The interaction of trace metals in coal syngas with the Ni-based SOFC anodes is being investigated through thermodynamic analyses and in laboratory experiments, but direct test data from coal syngas exposure are sparsely available. This research effort evaluates the significance of SOFC performance losses associated with exposure of a SOFC anode to direct coal syngas. SOFC specimen of industrially relevant composition are operated in a unique mobile test skid that was deployed to the research gasifier at the National Carbon Capture Center (NCCC) in Wilsonville, AL. The mobile test skid interfaces with a gasifier slipstream to deliver hot syngas (up to 300°C) directly to a parallel array of 12 button cell specimen, each of which possesses an active area of approximately 2 cm2. During the 500 hour test period, all twelve cells were monitored for performance at four discrete operating current densities, and all cells maintained contact with a data acquisition system. Of these twelve, nine demonstrated good performance throughout the test, while three of the cells were partially compromised. Degradation associated with the properly functioning cells was attributed to syngas exposure and trace material attack on the anode structure that was accelerated at increasing current densities. Cells that were operated at 0 and 125 mA/cm² degraded at 9.1 and 10.7% per 1000 hours, respectively, while cells operated at 250 and 375 mA/cm² degraded at 18.9 and 16.2% per 1000 hours, respectively. Post-trial spectroscopic analysis of the anodes showed carbon, sulfur, and phosphorus deposits; no secondary Ni-metal phases were found.

  12. Performance of solid oxide fuel cells operaated with coal syngas provided directly from a gasification process

    SciTech Connect (OSTI)

    Hackett, G.; Gerdes, K.; Song, X.; Chen, Y.; Shutthanandan, V.; Englehard, M.; Zhu, Z.; Thevuthasan, S.; Gemmen, R.

    2012-01-01

    Solid oxide fuel cells (SOFCs) are being developed for integrated gasification power plants that generate electricity from coal at 50% efficiency. The interaction of trace metals in coal syngas with Ni-based SOFC anodes is being investigated through thermodynamic analyses and in laboratory experiments, but test data from direct coal syngas exposure are sparsely available. This effort evaluates the significance of performance losses associated with exposure to direct coal syngas. Specimen are operated in a unique mobile test skid that is deployed to the research gasifier at NCCC in Wilsonville, AL. The test skid interfaces with a gasifier slipstream to deliver hot syngas to a parallel array of twelve SOFCs. During the 500 h test period, all twelve cells are monitored for performance at four current densities. Degradation is attributed to syngas exposure and trace material attack on the anode structure that is accelerated at increasing current densities. Cells that are operated at 0 and 125 mA cm{sup 2} degrade at 9.1 and 10.7% per 1000 h, respectively, while cells operated at 250 and 375 mA cm{sup 2} degrade at 18.9 and 16.2% per 1000 h, respectively. Spectroscopic analysis of the anodes showed carbon, sulfur, and phosphorus deposits; no secondary Ni-metal phases were found.

  13. Prairie Island Nuclear Station Spent Filter Processing for Direct Disposal - 12333

    SciTech Connect (OSTI)

    Anderson, H. Michael [WMG, Inc., 16 Bank Street, Peekskill, NY 10566 (United States)

    2012-07-01

    This paper will discuss WMG's filter processing experience within the commercial nuclear power industry, specifically recent experience processing high activity spent filters generated by Xcel Energy's Prairie Island Nuclear Station (Prairie Island), located in Welch, MN. WMG processed for disposal eighty-four 55-gallon drums filled with varying types of high activity spent filters. The scope of work involved characterization, packaging plan development, transport to the WMG's Off-Site Processing location, shredding the filter contents of each drum, cement solidifying the shredded filter material, and finally shipping the solidified container of shredded filter material to Clive, Utah where the container was presented to EnergySolutions Disposal site for disposal in their Containerised Waste Facility. This sequence of events presented in this paper took place a total of nine (9) times over a period of four weeks. All 1294 filters were successfully solidified into nine (9) -WMG 142 steel liners, and each was successfully disposed of as Class A Waste at EnergySolutions Disposal Site in Clive, Utah. Prairie Island's waste material was unique in that all its filters were packaged in 55-gallon drums; and since the station packaged its filters in drums it was much easier to develop packaging plans for such a large volume of legacy filters. For this author, having over 20-years of waste management experiences, storing and shipping waste material in 55-gallon drums is not immediately thought of as a highly efficient method of managing its waste material. However, Prairie Island's use of 55-gallon drums to store and package its filters provided a significant advantage. Drums could be mixed and matched to provide the most efficient processing method while still meeting the Waste Class A limits required for disposal. (author)

  14. Process for direct integration of a thin-film silicon p-n junction diode with a magnetic tunnel junction

    DOE Patents [OSTI]

    Toet, Daniel; Sigmon, Thomas W.

    2004-12-07

    A process for direct integration of a thin-film silicon p-n junction diode with a magnetic tunnel junction for use in advanced magnetic random access memory (MRAM) cells for high performance, non-volatile memory arrays. The process is based on pulsed laser processing for the fabrication of vertical polycrystalline silicon electronic device structures, in particular p-n junction diodes, on films of metals deposited onto low temperature-substrates such as ceramics, dielectrics, glass, or polymers. The process preserves underlayers and structures onto which the devices are typically deposited, such as silicon integrated circuits. The process involves the low temperature deposition of at least one layer of silicon, either in an amorphous or a polycrystalline phase on a metal layer. Dopants may be introduced in the silicon film during or after deposition. The film is then irradiated with short pulse laser energy that is efficiently absorbed in the silicon, which results in the crystallization of the film and simultaneously in the activation of the dopants via ultrafast melting and solidification. The silicon film can be patterned either before or after crystallization.

  15. Process for direct integration of a thin-film silicon p-n junction diode with a magnetic tunnel junction

    DOE Patents [OSTI]

    Toet, Daniel (Mountain View, CA); Sigmon, Thomas W. (Albuquerque, NM)

    2003-01-01

    A process for direct integration of a thin-film silicon p-n junction diode with a magnetic tunnel junction for use in advanced magnetic random access memory (MRAM) cells for high performance, non-volatile memory arrays. The process is based on pulsed laser processing for the fabrication of vertical polycrystalline silicon electronic device structures, in particular p-n junction diodes, on films of metals deposited onto low temperature-substrates such as ceramics, dielectrics, glass, or polymers. The process preserves underlayers and structures onto which the devices are typically deposited, such as silicon integrated circuits. The process involves the low temperature deposition of at least one layer of silicon, either in an amorphous or a polycrystalline phase on a metal layer. Dopants may be introduced in the silicon film during or after deposition. The film is then irradiated with short pulse laser energy that is efficiently absorbed in the silicon, which results in the crystallization of the film and simultaneously in the activation of the dopants via ultrafast melting and solidification. The silicon film can be patterned either before or after crystallization.

  16. Process For Direct Integration Of A Thin-Film Silicon P-N Junction Diode With A Magnetic Tunnel Junction

    DOE Patents [OSTI]

    Toet, Daniel (Mountain View, CA); Sigmon, Thomas W. (Albuquerque, NM)

    2005-08-23

    A process for direct integration of a thin-film silicon p-n junction diode with a magnetic tunnel junction for use in advanced magnetic random access memory (MRAM) cells for high performance, non-volatile memory arrays. The process is based on pulsed laser processing for the fabrication of vertical polycrystalline silicon electronic device structures, in particular p-n junction diodes, on films of metals deposited onto low temperature-substrates such as ceramics, dielectrics, glass, or polymers. The process preserves underlayers and structures onto which the devices are typically deposited, such as silicon integrated circuits. The process involves the low temperature deposition of at least one layer of silicon, either in an amorphous or a polycrystalline phase on a metal layer. Dopants may be introduced in the silicon film during or after deposition. The film is then irradiated with short pulse laser energy that is efficiently absorbed in the silicon, which results in the crystallization of the film and simultaneously in the activation of the dopants via ultrafast melting and solidification. The silicon film can be patterned either before or after crystallization.

  17. A new scenario framework for climate change research: background, process, and future directions

    SciTech Connect (OSTI)

    Ebi, Kristie L.; Hallegatte, Stephane; Kram, Tom; Arnell, Nigel; Carter, Tim; Edmonds, James A.; Kriegler, Elmar; Mathur, Ritu; O'Neill, Brian; Riahi, Keywan; Winkler, Harald; Van Vuuren, Detlef; Zwickel, Timm

    2014-02-01

    The scientific community is developing new integrated global, regional, and sectoral scenarios to facilitate interdisciplinary research and assessment to explore the range of possible future climates and related physical changes could pose to human and natural systems; how these could interact with social, economic, and environmental development pathways; the degree to which mitigation and adaptation policies can avoid and reduce those risks; the costs and benefits of various policy mixes; residual impacts under alternative pathways; and the relationship with sustainable development. This paper provides the background to, and process of, developing the conceptual framework for these scenarios, described in three other papers in this Special Issue (van Vuuren et al.; O'Neill et al.; Kriegler et al.). The paper also discusses research needs to further develop and apply this framework. The goal is to encourage climate change researchers from a broad range of perspectives and disciplines to work together to develop policy-relevant scenarios and explore the implications of different possible futures for the challenges and opportunities human and natural systems could face with increasing climate change.

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

    SciTech Connect (OSTI)

    Albert Calderon

    2005-10-14

    The commercialization path of the Calderon technology for making a feedstock for steelmaking with assistance from DOE initially focused on making coke and work was done which proved that the Calderon technology is capable of making good coke for hard driving blast furnaces. U.S. Steel which participated in such demonstration felt that the Calderon technology would be more meaningful in lowering the costs of making steel by adapting it to the making of iron--thus obviating the need for coke. U.S. Steel and Calderon teamed up to jointly work together to demonstrate that the Calderon technology will produce in a closed system iron units from iron concentrate (ore) and coal competitively by eliminating pelletizing, sintering, coking and blast furnace operation. If such process steps could be eliminated, a huge reduction in polluting emissions and greenhouse gases (including CO{sub 2}) relating to steelmaking would ensue. Such reduction will restructure the steel industry away from the very energy-intensive steelmaking steps currently practiced and drastically reduce costs of making steel. The development of a technology to lower U.S. steelmaking costs and become globally competitive is a priority of major importance. Therefore, the development work which Calderon is conducting presently under this Agreement with the U.S. Department of Energy becomes more crucial than ever. During the 3rd quarter of 2005 which the present report covers, virtually all the effort to advance the Calderon technology to make iron units was concentrated towards forming a team with a steelmaker who needs both iron units in the form of hot metal and a substitute for natural gas (SNG), both being major contributors to higher costs in steelmaking. Calderon felt that a very good candidate would be Steel Dynamics (SDI) by virtue that it operates a rotary hearth facility in Butler, Indiana that uses large amounts of natural gas to reduce briquettes made from ore and coal that they subsequently melt in a submerged arc furnace that is a large consumer of electric power. This facility is operated as a division of SDI under the name of Iron Dynamics (IDI). It is no secret that IDI has had and still has a great number of operational problems, including high cost for natural gas.

  19. High Performance Direct Gravitational N-body Simulations on Graphics Processing Unit I: An implementation in Cg

    E-Print Network [OSTI]

    Simon Portegies Zwart; Robert Belleman; Peter Geldof

    2007-04-23

    We present the results of gravitational direct $N$-body simulations using the commercial graphics processing units (GPU) NVIDIA Quadro FX1400 and GeForce 8800GTX, and compare the results with GRAPE-6Af special purpose hardware. The force evaluation of the $N$-body problem was implemented in Cg using the GPU directly to speed-up the calculations. The integration of the equations of motions were, running on the host computer, implemented in C using the 4th order predictor-corrector Hermite integrator with block time steps. We find that for a large number of particles ($N \\apgt 10^4$) modern graphics processing units offer an attractive low cost alternative to GRAPE special purpose hardware. A modern GPU continues to give a relatively flat scaling with the number of particles, comparable to that of the GRAPE. The GRAPE is designed to reach double precision, whereas the GPU is intrinsically single-precision. For relatively large time steps, the total energy of the N-body system was conserved better than to one in $10^6$ on the GPU, which is impressive given the single-precision nature of the GPU. For the same time steps, the GRAPE gave somewhat more accurate results, by about an order of magnitude. However, smaller time steps allowed more energy accuracy on the grape, around $10^{-11}$, whereas for the GPU machine precision saturates around $10^{-6}$ For $N\\apgt 10^6$ the GeForce 8800GTX was about 20 times faster than the host computer. Though still about a factor of a few slower than GRAPE, modern GPUs outperform GRAPE in their low cost, long mean time between failure and the much larger onboard memory; the GRAPE-6Af holds at most 256k particles whereas the GeForce 8800GTX can hold 9 million particles in memory.

  20. IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 56, NO. 10, OCTOBER 2008 4651 The Shiftable Complex Directional Pyramid--Part I

    E-Print Network [OSTI]

    Oraintara, Soontorn

    directional filter bank (DFB). The complex DFB is constructed by a dual-tree stucture of two real DFBs, arbitrarily high directionality, and low redundancy. In Part II [7], filter design problems and Manuscript. The conditions derived in Part I are used to design the filters. Sev- eral practical design and implementation

  1. Materials and Processes for Direct Sun-to-Fuel Chemical Transformations Solar radiation can be used to drive heterogeneous electrochemical reactions at the

    E-Print Network [OSTI]

    Nair, Sankar

    Materials and Processes for Direct Sun-to-Fuel Chemical Transformations Solar radiation can be used and an efficient means for solar radiation delivery and trapping, poses a major challenge to the commercialization, resulting in the production of solar fuels, including hydrogen via water reduction or hydrocarbons (methane

  2. Combined iterative reconstruction and image-domain decomposition for dual energy CT using total-variation regularization

    SciTech Connect (OSTI)

    Dong, Xue; Niu, Tianye; Zhu, Lei

    2014-05-15

    Purpose: Dual-energy CT (DECT) is being increasingly used for its capability of material decomposition and energy-selective imaging. A generic problem of DECT, however, is that the decomposition process is unstable in the sense that the relative magnitude of decomposed signals is reduced due to signal cancellation while the image noise is accumulating from the two CT images of independent scans. Direct image decomposition, therefore, leads to severe degradation of signal-to-noise ratio on the resultant images. Existing noise suppression techniques are typically implemented in DECT with the procedures of reconstruction and decomposition performed independently, which do not explore the statistical properties of decomposed images during the reconstruction for noise reduction. In this work, the authors propose an iterative approach that combines the reconstruction and the signal decomposition procedures to minimize the DECT image noise without noticeable loss of resolution. Methods: The proposed algorithm is formulated as an optimization problem, which balances the data fidelity and total variation of decomposed images in one framework, and the decomposition step is carried out iteratively together with reconstruction. The noise in the CT images from the proposed algorithm becomes well correlated even though the noise of the raw projections is independent on the two CT scans. Due to this feature, the proposed algorithm avoids noise accumulation during the decomposition process. The authors evaluate the method performance on noise suppression and spatial resolution using phantom studies and compare the algorithm with conventional denoising approaches as well as combined iterative reconstruction methods with different forms of regularization. Results: On the Catphan©600 phantom, the proposed method outperforms the existing denoising methods on preserving spatial resolution at the same level of noise suppression, i.e., a reduction of noise standard deviation by one order of magnitude. This improvement is mainly attributed to the high noise correlation in the CT images reconstructed by the proposed algorithm. Iterative reconstruction using different regularization, including quadratic orq-generalized Gaussian Markov random field regularization, achieves similar noise suppression from high noise correlation. However, the proposed TV regularization obtains a better edge preserving performance. Studies of electron density measurement also show that our method reduces the average estimation error from 9.5% to 7.1%. On the anthropomorphic head phantom, the proposed method suppresses the noise standard deviation of the decomposed images by a factor of ?14 without blurring the fine structures in the sinus area. Conclusions: The authors propose a practical method for DECT imaging reconstruction, which combines the image reconstruction and material decomposition into one optimization framework. Compared to the existing approaches, our method achieves a superior performance on DECT imaging with respect to decomposition accuracy, noise reduction, and spatial resolution.

  3. 26 IEEE SIGNAL PROCESSING LETTERS, VOL. 21, NO. 1, JANUARY 2014 Sparse Direction of Arrival Estimation Using

    E-Print Network [OSTI]

    Nehorai, Arye

    Estimation Using Co-Prime Arrays with Off-Grid Targets Zhao Tan, Student Member, IEEE, and Arye Nehorai target must fall on the predefined grid. Off-grid targets can highly jeopardize the reconstruction--Co-prime arrays, direction of arrival estimation, joint sparsity, off-grid targets, sparse recovery methods. I

  4. A Low-cost, High-yield Process for the Direct Productin of High Energy Density Liquid Fuel from Biomass

    SciTech Connect (OSTI)

    Agrawal, Rakesh

    2014-02-21

    The primary objective and outcome of this project was the development and validation of a novel, low-cost, high-pressure fast-hydropyrolysis/hydrodeoxygenation (HDO) process (H{sub 2}Bioil) using supplementary hydrogen (H{sub 2}) to produce liquid hydrocarbons from biomass. The research efforts under the various tasks of the project have culminated in the first experimental demonstration of the H2Bioil process, producing 100% deoxygenated >C4+ hydrocarbons containing 36-40% of the carbon in the feed of pyrolysis products from biomass. The demonstrated H{sub 2}Bioil process technology (i.e. reactor, catalyst, and downstream product recovery) is scalable to a commercial level and is estimated to be economically competitive for the cases when supplementary H{sub 2} is sourced from coal, natural gas, or nuclear. Additionally, energy systems modeling has revealed several process integration options based on the H{sub 2}Bioil process for energy and carbon efficient liquid fuel production. All project tasks and milestones were completed or exceeded. Novel, commercially-scalable, high-pressure reactors for both fast-hydropyrolysis and hydrodeoxygenation were constructed, completing Task A. These reactors were capable of operation under a wide-range of conditions; enabling process studies that lead to identification of optimum process conditions. Model compounds representing biomass pyrolysis products were studied, completing Task B. These studies were critical in identifying and developing HDO catalysts to target specific oxygen functional groups. These process and model compound catalyst studies enabled identification of catalysts that achieved 100% deoxygenation of the real biomass feedstock, sorghum, to form hydrocarbons in high yields as part of Task C. The work completed during this grant has identified and validated the novel and commercially scalable H2Bioil process for production of hydrocarbon fuels from biomass. Studies on model compounds as well as real biomass feedstocks were utilized to identify optimized process conditions and selective HDO catalyst for high yield production of hydrocarbons from biomass. In addition to these experimental efforts, in Tasks D and E, we have developed a mathematical optimization framework to identify carbon and energy efficient biomass-to-liquid fuel process designs that integrate the use of different primary energy sources along with biomass (e.g. solar, coal or natural gas) for liquid fuel production. Using this tool, we have identified augmented biomass-to-liquid fuel configurations based on the fast-hydropyrolysis/HDO pathway, which was experimentally studied in this project. The computational approach used for screening alternative process configurations represents a unique contribution to the field of biomass processing for liquid fuel production.

  5. Quantum confinement, carrier dynamics and interfacial processes in nanostructured direct/indirect-gap semiconductor-glass composites

    SciTech Connect (OSTI)

    Joseph H. Simmons

    2002-08-13

    The behavior of semiconductor clusters precipitated in an insulated matrix was investigated. Semiconductor compositions of CdTe, Si and Ge were studies and the insulating matrix was amorphous SiO2. As a function of size, quantum confinement effects were observed in all three composite systems. However significant differences were observed between the direct-gap column 2-6 semiconductors and the indirect-gap column 4 semiconductors. As observed by others, the direct-gap 2-6 semiconductors showed a distinct saturation in the energy-gap blue shift with decreasing size. Theoretical studies using a 20-band k dot p calculation of the electronic and valence bands for a 3-dimensionally confined CdTe semiconductor showed that mixing of the conduction band states leads to a flattening of the central valley. This increases the electron mass drastically and saturates the size dependent blue shift in the bandgap. In contrast, the blue shift in the Si and Ge nanocrystals showed no sign of saturation and increased drastically with decreasing size. In fact, Si and Ge crystals were formed with blue shift values that moved the bandgap to the near UV region. We examined the absorption curves to determine whether the bandgap was direct or indirect in the quantum dots. The results are that the absorption shows an indirect gap for all but the smallest Si crystals and an indirect gap for all Ge crystals. Raman studies showed negligible size dependence due to a lack of phonon confinement in the matrix embedded clusters. Exciton saturation and recovery times were found to be very short (of the order of 400fs) and are the fastest reported for any quantum dot system. Work to examine the type of confinement obtained in a matrix that consists of a transparent conductor is under way. Studies of the photoinduced absorption change in GeSe glasses showed a significant effect of photodarkening, regardless of composition. The photodarkening effect appears to be composed of permanent and transient effects, presumed to be associated with photo-induced structural changes in the glass. The transient effects appear to have recovery times in at least two different time scales--one in minutes and one in less than a microsecond. Time-resolved studies are under way to determine the structural origin of each photodarkening effect.

  6. Direct utilization of geothermal energy resources in food processing. Final report, May 17, 1978-May 31, 1982

    SciTech Connect (OSTI)

    Austin, J.C.

    1982-05-01

    In early 1978 financial assistance was granted for a project to utilize geothermal energy at Ore-Ida Foods, Inc.'s food processing plant in Ontario, Oregon. Specifically, the project included exploring, testing, and developing the potential geothermal resource; retrofitting the existing gas/oil-fired steam system; utilizing the geothermal resource for food processing, space heating, and hot potable water; and injecting the spent geothermal water back into a disposal well. Based on preliminary investigations which indicated the presence of a local geothermal resource, drilling began in August 1979. Although the anticipated resource temperature of 380/sup 0/F was reached at total well depth (10,054 feet), adequate flow to meet processing requirements could not be obtained. Subsequent well testing and stimulation techniques also failed to produce the necessary flow, and the project was eventually abandoned. However, throughout the duration of the project, all activities were carefully monitored and recorded to ensure the program's value for future evaluation. This report presents a culmination of data collected during the Ore-Ida project.

  7. Process for producing high purity silicon nitride by the direct reaction between elemental silicon and nitrogen-hydrogen liquid reactants

    DOE Patents [OSTI]

    Pugar, Eloise A. (Isla Vista, CA); Morgan, Peter E. D. (Thousand Oaks, CA)

    1990-01-01

    A process is disclosed for producing, at a low temperature, a high purity reaction product consisting essentially of silicon, nitrogen, and hydrogen which can then be heated to produce a high purity alpha silicon nitride. The process comprises: reacting together a particulate elemental high purity silicon with a high purity nitrogen-hydrogen reactant in its liquid state (such as ammonia or hydrazine) having the formula: N.sub.n H.sub.(n+m) wherein: n=1-4 and m=2 when the nitrogen-hydrogen reactant is straight chain, and 0 when the nitrogen-hydrogen reactant is cyclic. High purity silicon nitride can be formed from this intermediate product by heating the intermediate product at a temperature of from about 1200.degree.-1700.degree. C. for a period from about 15 minutes up to about 2 hours to form a high purity alpha silicon nitride product. The discovery of the existence of a soluble Si-N-H intermediate enables chemical pathways to be explored previously unavailable in conventional solid state approaches to silicon-nitrogen ceramics.

  8. Process for producing high purity silicon nitride by the direct reaction between elemental silicon and nitrogen-hydrogen liquid reactants

    DOE Patents [OSTI]

    Pugar, E.A.; Morgan, P.E.D.

    1987-09-15

    A process is disclosed for producing, at a low temperature, a high purity reaction product consisting essentially of silicon, nitrogen, and hydrogen which can then be heated to produce a high purity alpha silicon nitride. The process comprises: reacting together a particulate elemental high purity silicon with a high purity nitrogen-hydrogen reactant in its liquid state (such as ammonia or hydrazine) having the formula: N/sub n/H/sub (n+m)/ wherein: n = 1--4 and m = 2 when the nitrogen-hydrogen reactant is straight chain, and 0 when the nitrogen-hydrogen reactant is cyclic. High purity silicon nitride can be formed from this intermediate product by heating the intermediate product at a temperature of from about 1200--1700/degree/C for a period from about 15 minutes up to about 2 hours to form a high purity alpha silicon nitride product. The discovery of the existence of a soluble Si/endash/N/endash/H intermediate enables chemical pathways to be explored previously unavailable in conventional solid-state approaches to silicon-nitrogen ceramics

  9. Directives Tools

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

    Useful links and resources for Directives Writers, Directives Point of Contact (DPCs), Subject Matter Experts (SMEs), and Draft Directive Reviewers.

  10. Cancellation of Directives

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

    2015-01-26

    Effective immediately the following Department of Energy directive is canceled. DOE M 452.2-2, Nuclear Explosive Safety Evaluation Processes, dated 04-14-2009.

  11. Haykin, Principe, Sejnowski, and McWhirter: New Directions in Statistical Signal Processing: From Systems to Brain 2005/03/04 21:55 11 A Variational Principle for Graphical Models

    E-Print Network [OSTI]

    Jordan, Michael I.

    statistical modeling. In statistical signal processing-- as well as in related fields such as communication theory, control theory and bioinformatics--statistical models have long been formulated in termsHaykin, Principe, Sejnowski, and McWhirter: New Directions in Statistical Signal Processing: From

  12. New Directing Groups for Metal-Catalyzed Asymmetric Carbon–Carbon Bond-Forming Processes: Stereoconvergent Alkyl–Alkyl Suzuki Cross-Couplings of Unactivated Electrophiles

    E-Print Network [OSTI]

    Wilsily, Ashraf

    The ability of two common protected forms of amines (carbamates and sulfonamides) to serve as directing groups in Ni-catalyzed Suzuki reactions has been exploited in the development of catalytic asymmetric methods for ...

  13. Accountability in Emerging Forms of Governance: A Comparison of the California Bay-Delta Process and the European Water Framework Directive

    E-Print Network [OSTI]

    Di Vittorio, Sarah; Cole, Noelle; Cooper, Tamar

    2008-01-01

    Action in the Field of Water Policy. L327 22/12/2000.Fresh Perspective for Managing Water in California: Insightsfrom Applying the European Water Framework Directive to the

  14. Directives System

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

    1998-01-30

    The Department of Energy (DOE) Directives System is the means by which DOE policies, requirements, and responsibilities are developed and communicated throughout the Department. Directives are used to inform, direct, and guide employees in the performance of their jobs, and to enable employees to work effectively within the Department and with agencies, contractors, and the public. Cancels: DOE O 251.1, DOE M 251.1-1

  15. A direct-write thick-film lithography process for multi-parameter control of tooling in continuous roll-to-roll microcontact printing

    E-Print Network [OSTI]

    Nietner, Larissa F

    2014-01-01

    Roll-to-roll (R2R) microcontact printing ([mu]CP) aims to transform micron-precision soft lithography in a continuous, large-scale, high-throughput process for large-area surface patterning, flexible electronics and ...

  16. 2008 world direct reduction statistics

    SciTech Connect (OSTI)

    NONE

    2009-07-01

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

  17. Enterprise Risk Management (ERM) Framework for Directives

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

    2012-09-30

    Explains the new ERM framework for developing, revising, and reviewing directives. This memo directs the Office of Management to institutionalize ERM into the directives process no later than September 30, 2012.

  18. Production of aluminum-silicon alloy and ferrosilicon and commercial-purity aluminum by the direct-reduction process. Third annual technical report, 1980 January 1-1980 December 31

    SciTech Connect (OSTI)

    Bruno, M.J.

    1981-01-01

    Progress on the program to demonstrate the technical feasibility of a pilot-sized Direct Reduction Process for producing aluminium and aluminium-silicon alloy is reported for Phase C. Progress is reported on reduction including the following tasks: supply burden material; burden beneficiation; effects of pilot operating parameters; pilot modifications; reactor scale-up design; calculating heat and mass balance; processing mathematical modeling; effects of process variables; information on supportive analytical, phase identification, and mechanical engineering data. Progress on alloy purification is reported in the following tasks: pilot unit installation; effects of pilot operating parameters; pilot unit modifications; and supportive mechanical engineering. Progress on purification to commercial grade aluminum is reported on: pilot unit installation; effects of pilot operating parameters; pilot unit modifications; support pilot operations; and supportive expended man-hours. Plans for Phase D are noted. (MCW)

  19. Directives Help

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

    All DOE directives are available through this site. While it may seem overwhelming, given the number of documents, we have provided a number of ways in which you may get to the information you need.

  20. Process for producing organic products containing silicon, hydrogen, nitrogen, and carbon by the direct reaction between elemental silicon and organic amines and products formed thereby

    DOE Patents [OSTI]

    Pugar, E.A.; Morgan, P.E.D.

    1988-04-04

    A process is disclosed for producing, at a low temperature, a high purity organic reaction product consisting essentially of silicon, hydrogen, nitrogen, and carbon. The process comprises reacting together a particulate elemental high purity silicon with a high purity reactive amine reactant in a liquid state at a temperature of from about O/degree/C up to about 300/degree/C. A high purity silicon carbide/silicon nitride ceramic product can be formed from this intermediate product, if desired, by heating the intermediate product at a temperature of from about 1200-1700/degree/C for a period from about 15 minutes up to about 2 hours or the organic reaction product may be employed in other chemical uses.

  1. Direct electroplating on nonconductors

    SciTech Connect (OSTI)

    Weng, D.; Landau, U. [Case Western Reserve Univ., Cleveland, OH (United States). Dept. of Chemical Engineering

    1995-08-01

    Recently proposed processes for direct electroplating on nonconductive substrates offer numerous advantages. The industrial implementation of such processes is, however, hampered by lack of understanding. Presented here is a model for this class of processes based on three synergistic mechanisms: (i) stepwise propagation through the seed clusters that serve as sequentially activated microelectrodes, (ii) preferential accessibility to current of the sharp edge, and (iii) kinetics-based enhancement due to the fast propagation of an additive-free edge. The model has been computer simulated and verified by experiments of copper electroplating on nonconductive substrates.

  2. Towards sub-200?nm nano-structuring of linear giant magneto-resistive spin valves by a direct focused ion beam milling process

    SciTech Connect (OSTI)

    Riedmüller, Benjamin; Huber, Felix; Herr, Ulrich

    2014-02-14

    In this work, we present a detailed investigation of a focused ion beam (FIB) assisted nano-structuring process for giant magneto-resistive (GMR) spin valve sensors. We have performed a quantitative study of the dependence of the GMR ratio as well as the sensor resistance on the ion dose, which is implanted in the active region of our sensors. These findings are correlated with the decrease of magneto-resistive properties after micro- and nano-structuring by the FIB and reveal the importance of ion damage which limits the applicability of FIB milling to GMR devices in the low ?m range. Deposition of a protective layer (50?nm SiO{sub 2}) on top of the sensor structure before milling leads to a preservation of the magneto-resistive properties after the milling procedure down to sensor dimensions of ?300?nm. The reduction of the sensor dimensions to the nanometer regime is accompanied by a shift of the GMR curves, and a modification of the saturation behavior. Both effects can be explained by a micromagnetic model including the magnetic interaction of free and pinned layer as well as the effect of the demagnetizing field of the free layer on the sensor behavior. The results demonstrate that the FIB technology can be successfully used to prepare spintronic nanostructures.

  3. DRIVING DIRECTIONS

    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 Bonding Low-Cost2 DOE HQSiteo n n eDPFJ.D.DRIVING DIRECTIONS

  4. Direct Frisk

    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 BondingMeetingDifferences BetweenDirac ChargeSolarDirect

  5. The development of direction selectivity in the mouse retina

    E-Print Network [OSTI]

    Elstrott, Justin Blake

    2009-01-01

    at each stage of visual processing- retinal, subcortical andvisual processing stream is combined with other retinalof visual processing. On-Off direction selective retinal

  6. Direct-Contact Process Water Heating 

    E-Print Network [OSTI]

    Hamann, M. R.

    2006-01-01

    Frequency Days/yr Annual Vol. (mcf) % A1 Batch 90,500 lbs per batch 4 batches/week 80,681 0.6% A2 Batch 200,000 lbs per batch 3 batches/day 200 2,139,594 15.4% Filters (50,000 lbs/hr/filter) 2 Sewer 50,000 lbs/hr/filter 18 hrs/day 200 6,418,781 46....1% Filters (25,000 lbs/hr/filter) 1 Sewer 25,000 lbs/hr/filter 19 hrs/day 200 1,604,695 11.5% Drum Washers 3 Sewer 25,000 lbs/hr/filter 20 hrs/day 150 3,610,564 26.0% Wet Scrubbers 4 Sewer 1 gpm/scrubber 21 hrs/day 200 57,615 0.4% 13,911,930 ANALYSIS...

  7. Module bay with directed flow

    SciTech Connect (OSTI)

    Torczynski, John R. (Albuquerque, NM)

    2001-02-27

    A module bay requires less cleanroom airflow. A shaped gas inlet passage can allow cleanroom air into the module bay with flow velocity preferentially directed toward contaminant rich portions of a processing module in the module bay. Preferential gas flow direction can more efficiently purge contaminants from appropriate portions of the module bay, allowing a reduced cleanroom air flow rate for contaminant removal. A shelf extending from an air inlet slit in one wall of a module bay can direct air flowing therethrough toward contaminant-rich portions of the module bay, such as a junction between a lid and base of a processing module.

  8. Directed light fabrication

    SciTech Connect (OSTI)

    Lewis, G.K.; Nemec, R.; Milewski, J.; Thoma, D.J.; Cremers, D.; Barbe, M.

    1994-09-01

    Directed Light Fabrication (DLF) is a rapid prototyping process being developed at Los Alamos National Laboratory to fabricate metal components. This is done by fusing gas delivered metal powder particles in the focal zone of a laser beam that is, programmed to move along or across the part cross section. Fully dense metal is built up a layer at a time to form the desired part represented by a 3 dimensional solid model from CAD software. Machine ``tool paths`` are created from the solid model that command the movement and processing parameters specific to the DLF process so that the part can be built one layer at a time. The result is a fully dense, near net shape metal part that solidifies under rapid solidification conditions.

  9. Digital pulse processing

    E-Print Network [OSTI]

    McCormick, Martin (Martin Steven)

    2012-01-01

    This thesis develops an exact approach for processing pulse signals from an integrate-and-fire system directly in the time-domain. Processing is deterministic and built from simple asynchronous finite-state machines that ...

  10. Extension of DOE Directives

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

    2005-03-18

    The following directives are extended until 3-18-06: DOE N 205.8, Cyber Security Requirements for Wireless Devices and Information Systems, dated 2-11-04; DOE N 205.9, Certification and Accreditation Process for Information Systems Including National Security Systems, dated 02-19-04; DOE N 205.10, Cyber Security Requirements for Risk Management, dated 02-19-04; DOE N 205.11, Security Requirements for Remote Access to DOE and Applicable Contractor Information Technology Systems, dated 2-19-04. DOE N 205.12, Clearing, Sanitizing, and Destroying Information System Storage Media, Memory Devices, and Other Related Hardware, dated 2-19-04.

  11. Departmental Directives Program

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

    2006-08-16

    The Order is the primary directive for administering the Department's directives Program. Cancels: DOE O 251.1A

  12. [1] T. M. J. Fruchterman & E. M. Reingold [1991], Graph Drawing by Force-Directed Placement, Software, Practice and Experience 21: 1129-1164. [2] T. Kamada & S. Kawai [1988], An Algorithm for Drawing General Undirected Graphs, Information Processing Lette

    E-Print Network [OSTI]

    Porter, Mason A.

    [1] T. M. J. Fruchterman & E. M. Reingold [1991], Graph Drawing by Force-Directed Placement Council 1995 rankings, http://www.ams.org/notices/199512/nrctables.pdf. [7] National Research Council 2010 at institution B is represented by a directed edge of unit weight that points from institution B to institution A

  13. Directives Quarterly Updates

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

    Listings of new Justification Memoranda and new or revised Directives that have been posted to the DOE Directives, Delegations, and Requirements Portal. Updated quarterly.

  14. Direct conversion of algal biomass to biofuel

    DOE Patents [OSTI]

    Deng, Shuguang; Patil, Prafulla D; Gude, Veera Gnaneswar

    2014-10-14

    A method and system for providing direct conversion of algal biomass. Optionally, the method and system can be used to directly convert dry algal biomass to biodiesels under microwave irradiation by combining the reaction and combining steps. Alternatively, wet algae can be directly processed and converted to fatty acid methyl esters, which have the major components of biodiesels, by reacting with methanol at predetermined pressure and temperature ranges.

  15. of Flow on Morphological Stability Directional Solidification

    E-Print Network [OSTI]

    Schulze, Tim

    Effects During of Flow on Morphological Stability Directional Solidification S.H. DAVIS and T.P. SCHULZE Research involving the interaction of flow with morphological instability during directional solidifi- cation of binary alloys is reviewed. In general, flow may arise during the solidification process

  16. Direct mechanism in solar nuclear reactions

    E-Print Network [OSTI]

    H. Oberhummer; G. Staudt

    1994-04-22

    A short overview of the direct reaction mechanism and the models used for the analysis of such processes is given. Nuclear reactions proceeding through the direct mechanism and involved in solar hydrogen burning are discussed. The significance of these nuclear reactions with respect to the solar neutrino problem is investigated.

  17. Departmental Directives Program - DOE Directives, Delegations...

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

    DOE O 251.1C, Departmental Directives Program and Conforming Changes to DOE O 252.1, Technical Standards Program Redline of DOE O 251.1D - First Draft Comment Response Report...

  18. Direct/Indirect Costs

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

    1997-03-28

    This chapter provides recommended categories for direct and indirect elements developed by the Committee for Cost Methods Development (CCMD) and describes various estimating techniques for direct and indirect costs.

  19. Directives System Manual

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

    1998-01-30

    This Manual provides detailed requirements to supplement DOE O 251.1A, Directives System, dated 1-30-98.

  20. Construction of prototype system for directional solvent extraction desalination

    E-Print Network [OSTI]

    Fowler, Michael James

    2012-01-01

    Directional solvent extraction has been demonstrated as a low temperature, membrane free desalination process. This method dissolves the water into an inexpensive, benign directional solvent, rejects the contaminants, then ...

  1. Directional recoil rates for WIMP direct detection

    SciTech Connect (OSTI)

    Alenazi, Moqbil S.; Gondolo, Paolo [Department of Physics, University of Utah, 115 S 1400 E Rm 201, Salt Lake City, Utah 84112-0830 (United States)

    2008-02-15

    New techniques for the laboratory direct detection of dark matter weakly interacting massive particles (WIMPs) are sensitive to the recoil direction of the struck nuclei. We compute and compare the directional recoil rates dR/dcos{theta} (where {theta} is the angle measured from a reference direction in the sky) for several WIMP velocity distributions including the standard dark halo and anisotropic models such as Sikivie's late-infall halo model and logarithmic-ellipsoidal models. Since some detectors may be unable to distinguish the beginning of the recoil track from its end (lack of head-tail discrimination), we introduce a folded directional recoil rate dR/d|cos{theta}|, where |cos{theta}| does not distinguish the head from the tail of the track. We compute the CS{sub 2} and CF{sub 4} exposures required to distinguish a signal from an isotropic background noise, and find that dR/d|cos{theta}| is effective for the standard dark halo and some but not all anisotropic models.

  2. Directives Tools - DOE Directives, Delegations, and Requirements

    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 BondingMeetingDifferencesPlatinumDirections New
Directives &

  3. Directives - DOE Directives, Delegations, and Requirements

    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 HAB PacketDiesel prices continueDileepDirections &Directions

  4. NEW - DOE N 251.113, Cancellation of Directives

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

    Effective immediately the following Department of Energy directive is canceled. DOE M 452.2-2, Nuclear Explosive Safety Evaluation Processes, dated 04-14-2009.

  5. Chemistry & Biology Directed Evolution of the Nonribosomal Peptide

    E-Print Network [OSTI]

    Zhao, Huimin

    Chemistry & Biology Article Directed Evolution of the Nonribosomal Peptide Synthetase Adm University of Illinois, Urbana, IL 61801, USA 3Department of Chemistry 4The Chemistry of Life Processes

  6. Departmental Directives Program

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

    2014-10-16

    To establish directives as the primary means to set, communicate, and institutionalize policies, requirements, responsibilities, and procedures for Departmental elements and contractors.

  7. Directives System Manual

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

    1995-10-16

    This Manual provides detailed requirements to supplement DOE O 251.1, which establishes requirements for the development, coordination, and sunset review of DOE directives.

  8. Direct Photons at RHIC

    E-Print Network [OSTI]

    Klaus Reygers; for the PHENIX Collaboration

    2009-08-17

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

  9. Direct-fired biomass

    SciTech Connect (OSTI)

    None, None

    2009-01-18

    The direct-fired biomass section of the Renewable Energy Technology Characterizations describes the technical and economic status of this emerging renewable energy option for electricity supply.

  10. OM300 Direction Drilling Module

    SciTech Connect (OSTI)

    MacGugan, Doug

    2013-08-22

    OM300 – Geothermal Direction Drilling Navigation Tool: Design and produce a prototype directional drilling navigation tool capable of high temperature operation in geothermal drilling Accuracies of 0.1° Inclination and Tool Face, 0.5° Azimuth Environmental Ruggedness typical of existing oil/gas drilling Multiple Selectable Sensor Ranges High accuracy for navigation, low bandwidth High G-range & bandwidth for Stick-Slip and Chirp detection Selectable serial data communications Reduce cost of drilling in high temperature Geothermal reservoirs Innovative aspects of project Honeywell MEMS* Vibrating Beam Accelerometers (VBA) APS Flux-gate Magnetometers Honeywell Silicon-On-Insulator (SOI) High-temperature electronics Rugged High-temperature capable package and assembly process

  11. Departmental Directives System

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

    1983-04-07

    The order establishes the directives system to be used for publishing permanent and temporary directives issued by DOE Headquarters and addressed to Headquarters and/or field elements. Chg 1 dated 3-14-85. Cancels DOE 1321.1A.

  12. Directives Quarterly Updates - DOE Directives, Delegations, and

    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 HAB PacketDiesel prices continueDileepDirections Management's

  13. Directives Templates - DOE Directives, Delegations, and Requirements

    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 HAB PacketDiesel prices continueDileepDirections

  14. Elemental sulfur recovery process

    DOE Patents [OSTI]

    Flytzani-Stephanopoulos, M.; Zhicheng Hu.

    1993-09-07

    An improved catalytic reduction process for the direct recovery of elemental sulfur from various SO[sub 2]-containing industrial gas streams. The catalytic process provides combined high activity and selectivity for the reduction of SO[sub 2] to elemental sulfur product with carbon monoxide or other reducing gases. The reaction of sulfur dioxide and reducing gas takes place over certain catalyst formulations based on cerium oxide. The process is a single-stage, catalytic sulfur recovery process in conjunction with regenerators, such as those used in dry, regenerative flue gas desulfurization or other processes, involving direct reduction of the SO[sub 2] in the regenerator off gas stream to elemental sulfur in the presence of a catalyst. 4 figures.

  15. Elemental sulfur recovery process

    DOE Patents [OSTI]

    Flytzani-Stephanopoulos, Maria (Winchester, MA); Hu, Zhicheng (Somerville, MA)

    1993-01-01

    An improved catalytic reduction process for the direct recovery of elemental sulfur from various SO.sub.2 -containing industrial gas streams. The catalytic process provides combined high activity and selectivity for the reduction of SO.sub.2 to elemental sulfur product with carbon monoxide or other reducing gases. The reaction of sulfur dioxide and reducing gas takes place over certain catalyst formulations based on cerium oxide. The process is a single-stage, catalytic sulfur recovery process in conjunction with regenerators, such as those used in dry, regenerative flue gas desulfurization or other processes, involving direct reduction of the SO.sub.2 in the regenerator off gas stream to elemental sulfur in the presence of a catalyst.

  16. Fresnel Incoherent Digital Holograms Directly Recorded by Multiple Viewpoint Projections

    E-Print Network [OSTI]

    Rosen, Joseph

    Fresnel Incoherent Digital Holograms Directly Recorded by Multiple Viewpoint Projections Natan T a modified Fresnel hologram under incoherent illumination by directly processing the projections of the three by presenting a new and direct method of synthesizing a modified Fresnel hologram using the MVPs. In Refs. [2

  17. dfield8 Direction Fields

    E-Print Network [OSTI]

    2010-08-05

    dfield8 Direction Fields. • The routine dfield8 is already loaded on all ITaP machines as standard software. To access MAtlAB from any ITaP machine: Start

  18. Art Directable Tornadoes 

    E-Print Network [OSTI]

    Dwivedi, Ravindra

    2011-08-08

    ......................................................................... 25 2. Directional Force ........................................................... 26 3. Vortex Force .................................................................. 26 4. Lattice... ................................................................... 7 7 Tornado in its rope stage before disappearing ........................................... 9 8 Fire vortex and Waterspout ........................................................................ 10 9 Landspout and Gustnado...

  19. Direct nuclear pumped laser

    DOE Patents [OSTI]

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

    1978-01-01

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

  20. Direct from CDC's Environmental

    E-Print Network [OSTI]

    Direct from CDC's Environmental Health Services Branch CAPT Mark D. Miller, R.S., M.P.H. The Role control/ handwashing, solid waste disposal, vector control, general safety, sewage disposal, and adequate

  1. Departmental Directives Program

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

    2015-08-13

    The order establishes directives as the primary means to set, communicate, and institutionalize policies, requirements, responsibilities, and procedures for Departmental elements and contractors. The second draft is being submitted for review owing to extensive revisions to the first draft.

  2. Refrigerant directly cooled capacitors

    DOE Patents [OSTI]

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

    2007-09-11

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

  3. Directed evolution tools in bioproduct and bioprocess development 49 Chapter 3. Directed Evolution Tools in Bioproduct and

    E-Print Network [OSTI]

    Zhao, Huimin

    Directed evolution tools in bioproduct and bioprocess development 49 Chapter 3. Directed Evolution Tools in Bioproduct and Bioprocess Development Sheryl B. Rubin-Pitela , Catherine M-H. Chob , Wilfred process conditions and customize the reactions they catalyze. Directed evolution tools have been used

  4. Plasma Processing Of Hydrocarbon

    SciTech Connect (OSTI)

    Grandy, Jon D; Peter C. Kong; Brent A. Detering; Larry D. Zuck

    2007-05-01

    The Idaho National Laboratory (INL) developed several patented plasma technologies for hydrocarbon processing. The INL patents include nonthermal and thermal plasma technologies for direct natural gas to liquid conversion, upgrading low value heavy oil to synthetic light crude, and to convert refinery bottom heavy streams directly to transportation fuel products. Proof of concepts has been demonstrated with bench scale plasma processes and systems to convert heavy and light hydrocarbons to higher market value products. This paper provides an overview of three selected INL patented plasma technologies for hydrocarbon conversion or upgrade.

  5. Direct Photons at RHIC

    E-Print Network [OSTI]

    G. David; for the PHENIX Collaboration

    2008-10-21

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

  6. Ferrosilicon smelting in a direct current furnace

    DOE Patents [OSTI]

    Dosaj, V.D.; May, J.B.

    1992-12-29

    The present invention is a process for smelting ferrosilicon alloy. The process comprises adding a carbon source and tailings comprising oxides of silicon and iron to a substantially closed furnace. Heat is supplied to the furnace by striking a direct current arc between a cathode electrode and an anode functional hearth. In a preferred embodiment of the present invention, the cathode electrode is hollow and feed to the substantially closed furnace is through the hollow electrode. 1 figure.

  7. Ferrosilicon smelting in a direct current furnace

    DOE Patents [OSTI]

    Dosaj, Vishu D. (Midland, MI); May, James B. (Midland, MI)

    1992-12-29

    The present invention is a process for smelting ferrosilicon alloy. The process comprises adding a carbon source and tailings comprising oxides of silicon and iron to a substantially closed furnace. Heat is supplied to the furnace by striking a direct current arc between a cathode electrode and an anode functional hearth. In a preferred embodiment of the present invention, the cathode electrode is hollow and feed to the substantially closed furnace is through the hollow electrode.

  8. Direct conversion technology

    SciTech Connect (OSTI)

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

    1992-01-07

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

  9. Highly directional thermal emitter

    DOE Patents [OSTI]

    Ribaudo, Troy; Shaner, Eric A; Davids, Paul; Peters, David W

    2015-03-24

    A highly directional thermal emitter device comprises a two-dimensional periodic array of heavily doped semiconductor structures on a surface of a substrate. The array provides a highly directional thermal emission at a peak wavelength between 3 and 15 microns when the array is heated. For example, highly doped silicon (HDSi) with a plasma frequency in the mid-wave infrared was used to fabricate nearly perfect absorbing two-dimensional gratings structures that function as highly directional thermal radiators. The absorption and emission characteristics of the HDSi devices possessed a high degree of angular dependence for infrared absorption in the 10-12 micron range, while maintaining high reflectivity of solar radiation (.about.64%) at large incidence angles.

  10. Directed Quantum Chaos

    SciTech Connect (OSTI)

    Efetov, K.B. [Max-Planck Institut fuer Physik komplexer Systeme, Heisenbergstrasse 1, 70569 Stuttgart (Germany)] [Max-Planck Institut fuer Physik komplexer Systeme, Heisenbergstrasse 1, 70569 Stuttgart (Germany); [L.D. Landau Institute for Theoretical Physics, Moscow (Russia)

    1997-07-01

    Quantum disordered problems with a direction (imaginary vector potential) are discussed and mapped onto a supermatrix {sigma} model. It is argued that the 0D version of the {sigma} model may describe a broad class of phenomena that can be called directed quantum chaos. It is demonstrated by explicit calculations that these problems are equivalent to those of random asymmetric or non-Hermitian matrices. A joint probability of complex eigenvalues is obtained. The fraction of states with real eigenvalues proves to be always finite for time reversal invariant systems. {copyright} {ital 1997} {ital The American Physical Society}

  11. Direct Conversion Technology

    SciTech Connect (OSTI)

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

    1992-07-01

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

  12. Directed Relativistic Blast Wave

    E-Print Network [OSTI]

    Andrei Gruzinov

    2007-04-23

    A spherically symmetrical ultra-relativistic blast wave is not an attractor of a generic asymmetric explosion. Spherical symmetry is reached only by the time the blast wave slows down to non-relativistic velocities, when the Sedov-Taylor-von Neumann attractor solution sets in. We show however, that a directed relativistic explosion, with the explosion momentum close to the explosion energy, produces a blast wave with a universal intermediate asymptotic -- a selfsimilar directed ultra-relativistic blast wave. This universality might be of interest for the astrophysics of gamma-ray burst afterglows.

  13. Directions & Maps

    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 HAB PacketDiesel prices continueDileepDirections & Maps Directions

  14. Directions to Berkeley Lab

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformation Current HAB PacketDiesel prices continueDileepDirections & MapsDirections

  15. Design by Directed Evolution FRANCES H. ARNOLD*

    E-Print Network [OSTI]

    Haile, Sossina M.

    Design by Directed Evolution FRANCES H. ARNOLD* Division of Chemistry and Chemical Engineering 210 to "Irrational" Design The stunning array of features and functions exhibited by proteins in nature should convince most scientists of the power of evolutionary design processes. Natural selection acting

  16. MA Ph.D. Qualifying Exam Directions

    E-Print Network [OSTI]

    Liblit, Ben

    MA Ph.D. Qualifying Exam Fall 2010 Directions: Use careful reasoning to develop the answers to each numerical answers. You may use the LZGS text for reference for this exam. 1. Explain in detail why the mean with the system. Each query type i also generates a small amount of further processing time, with average Si

  17. Directed Regression Stanford University

    E-Print Network [OSTI]

    Van Roy, Ben

    Directed Regression Yi-hao Kao Stanford University Stanford, CA 94305 yihaokao Stanford, CA 94305 xyan@stanford.edu Abstract When used to guide decisions, linear regression analysis typically involves esti- mation of regression coefficients via ordinary least squares and their subsequent

  18. Deregulation Direct Access

    E-Print Network [OSTI]

    Kammen, Daniel M.

    AB 1890 AB1X Aggregator Blue Book CEC CPUC CTC Deregulation Direct Access Divestiture DWR EOB EPAct an initiative on the ballot in response to the energy crisis. www.ftcr.org ESPs that sell electricity generated of peak demand. Investor Owned Utility. A private electric utility (owned by shareholders) regulated

  19. Directed Diffusion Fabio Silva

    E-Print Network [OSTI]

    Heidemann, John

    nodes can cache, or transform data, and may direct interests based on previously cached data (Section 3 University of Southern California Los Angeles, CA, USA 90089 ¶ Computer Science Department University of California, Los Angeles Los Angeles, CA, USA 90095 {fabio,johnh,govindan,estrin}@isi.edu February 10, 2004 1

  20. Extension of DOE Directives

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

    2004-08-12

    The following directives are extended until 8-12-05: DOE N 205.2, Foreign National Access to DOE Cyber Security Systems, dated 11-1-99 and DOE N 205.3, Password Generation, Protection, and Use, dated 11-23-99. No cancellations.

  1. Extension of DOE Directives

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

    2003-02-24

    This Notice extends the following directives until 2/16/04: DOE N 205.2, Foreign National Access to DOE Cyber Systems, and DOE N 205.3, Password Generation, Protection, and Use, dated 11/23/99-7/1/00.

  2. Extension of DOE Directives

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

    2004-02-12

    The following directives are extended until 8-12-04. DOE N 205.2, Foreign National Access to DOE Cyber Systems, dated 11/1/99. DOE N 205.3, Password Generation, Protection, and Use, dated 11/23/99.

  3. Direct fired heat exchanger

    DOE Patents [OSTI]

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

    1986-01-01

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

  4. Direct from CDC's Environmental

    E-Print Network [OSTI]

    Direct from CDC's Environmental Health Services Branch CAPT Daniel M. Harper, M.P.H. A Diverse Environmental Public Health Workforce to Meet the Diverse Environmental Health Challenges on environmental health and to build part nerships in the profession. In pursuit of these goals, we will feature

  5. Direct from CDC's Environmental

    E-Print Network [OSTI]

    Direct from CDC's Environmental Health Services Branch Brian Hubbard, M.P.H. Editor the Environmental Health Services Branch (EHSB) of the Centers for Disease Con trol and Prevention (CDC) in every environmental health programs and professionals to antici pate, identify, and respond to adverse envi ronmental

  6. Direct from CDC's Environmental

    E-Print Network [OSTI]

    Direct from CDC's Environmental Health Services Branch Daneen Farrow Collier, M.S.P.H. Editor's note: NEHA strives to pro vide up-to-date and relevant informa tion on environmental health the Environmental Health Services Branch (EHSB) of the Centers for Disease Control and Pre vention (CDC) in every

  7. Direct from CDC's Environmental

    E-Print Network [OSTI]

    Direct from CDC's Environmental Health Services Branch CAPT John Sarisky, R.S., M.P.H. Developing Environmental Public Health Leadership Editor's note: NEHA strives to provide up to of these goals, we will feature a column from the Environmental Health Services Branch (EHSB) of the Centers

  8. DELIBERATIVE AND INCLUSIONARY PROCESSES

    E-Print Network [OSTI]

    Bateman, Ian J.

    and Social Research Council (ESRC). The editors warmly acknowledge the financial support of the ESRC in the second seminar, held in Norwich in July 1999. Deliberative and inclusionary processes (DIPs) cover a wide range of procedures and practices. These are all designed to widen the basis of direct participation

  9. Geothermal direct use engineering and design guidebook

    SciTech Connect (OSTI)

    Lienau, P.J.; Lunis, B.C.

    1991-01-01

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

  10. Geothermal direct use engineering and design guidebook

    SciTech Connect (OSTI)

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

    1989-03-01

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

  11. Direct synthesis of calcium borohydride

    DOE Patents [OSTI]

    Ronnebro, Ewa Carin Ellinor (Dublin, CA); Majzoub, Eric H. (Pleasanton, CA)

    2009-10-27

    A method is disclosed for directly preparing an alkaline earth metal borohydride, i.e. Ca(BH.sub.4).sub.2, from the alkaline earth metal hydride and the alkaline earth metal boride. The borohydride thus prepared is doped with a small portion of a metal chloride catalyst compound, such as RuCl.sub.3, TiCl.sub.3, or a mixture of TiCl.sub.3 and palladium metal. The process provides for mechanically mixing the dry reagents under an inert atmosphere followed by charging the mixed materials with high pressure hydrogen at about 70 MPa while heating the mixture to about 400.degree. C. The method is relatively simple and inexpensive and provides reversible hydride compounds which are free of the usual contamination introduced by prior art wet chemical methods.

  12. Direct synthesis of magnesium borohydride

    DOE Patents [OSTI]

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

    2012-04-03

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

  13. Commissioning Process

    Broader source: Energy.gov [DOE]

    The commissioning process for Federal facilities generally follows a four-step process. This process holds true across all forms of commissioning and for both new and existing buildings.

  14. Direct sequential system assemblage

    E-Print Network [OSTI]

    Sandomire, Daniel M. (Daniel Micah)

    1997-01-01

    Decisions made during the building process have the opportunity to both inform the next set of decisions and provide unexpected and possibly positive features in the final project. Thus, working beyond the minimum definition ...

  15. Laboratory Directed Research & Development

    E-Print Network [OSTI]

    Ohta, Shigemi

    ....................................................................................11 A Novel Approach to Parameterized Sub-Grid Processes in Climate Models..............................13 Acoustic Touchless Serial Micro................................................................................................................47 In situ TXM Studies of Structure and Function in Energy Storage

  16. More Economical Sulfur Removal for Fuel Processing Plants

    Office of Energy Efficiency and Renewable Energy (EERE)

    Case study covering TDA Research, Inc and its direct oxidation process, which is economical enough for smaller fuel processing plants to use.

  17. Markov Decision Processes: Models, Methods, Directions and Open Problems

    E-Print Network [OSTI]

    Shwartz, Adam

    , the use of optimization models for the operation of multipurpose reser- voir systems does not seem as in the Panama canal and the St-Lawrence seaway. Throughout the twentieth cen- tury, hydroelectric production has), and their optimization by stochastic dynamic programming (SDP). The #12;rst discussion of reservoir management

  18. Text Processing a Policy or Notice - DOE Directives, Delegations, and

    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 RoomPreservationBio-Inspired Solar FuelTechnologyTel: Name: Rm. Tel:Test CircuitandRequirements

  19. Text Processing an Order or Guide - DOE Directives, Delegations, and

    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 RoomPreservationBio-Inspired Solar FuelTechnologyTel: Name: Rm. Tel:Test

  20. Pulse Thermal Processing of Functional Materials Using a Directed Plasma

    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 wouldMass mapSpeedingProgramExemptionsProteinTotal natural gas provedShale naturalPortalArc

  1. Integration of Safety into the Design Process - DOE Directives,

    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 likeUniverseIMPACT EVALUATION PLANIs gravity aOverviewISM

  2. Processing a Policy or Notice - DOE Directives, Delegations, and

    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 RoomPreservation of Fe(II) by Carbon-Rich Matrices inPrincipalFirm Exchange . .Procedures

  3. Processing an Order or Guide - DOE Directives, Delegations, and

    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 RoomPreservation of Fe(II) by Carbon-Rich Matrices inPrincipalFirm Exchange .

  4. Direct drive wind turbine

    DOE Patents [OSTI]

    Bywaters, Garrett Lee; Danforth, William; Bevington, Christopher; Stowell, Jesse; Costin, Daniel

    2006-09-19

    A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

  5. Direct drive wind turbine

    DOE Patents [OSTI]

    Bywaters, Garrett; Danforth, William; Bevington, Christopher; Jesse, Stowell; Costin, Daniel

    2007-02-27

    A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

  6. Direct drive wind turbine

    DOE Patents [OSTI]

    Bywaters, Garrett; Danforth, William; Bevington, Christopher; Stowell, Jesse; Costin, Daniel

    2006-07-11

    A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

  7. Direct drive wind turbine

    DOE Patents [OSTI]

    Bywaters, Garrett; Danforth, William; Bevington, Christopher; Jesse, Stowell; Costin, Daniel

    2006-10-10

    A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

  8. Direct hydrocarbon fuel cells

    DOE Patents [OSTI]

    Barnett, Scott A.; Lai, Tammy; Liu, Jiang

    2010-05-04

    The direct electrochemical oxidation of hydrocarbons in solid oxide fuel cells, to generate greater power densities at lower temperatures without carbon deposition. The performance obtained is comparable to that of fuel cells used for hydrogen, and is achieved by using novel anode composites at low operating temperatures. Such solid oxide fuel cells, regardless of fuel source or operation, can be configured advantageously using the structural geometries of this invention.

  9. Point processes

    E-Print Network [OSTI]

    Frederic Schoenberg

    2011-01-01

    f(t) = 0 for t Renewal models embody the notion thatmodels are surveyed including Poisson processes, renewalrenewal process originating at the corresponding parent. Self-correcting models

  10. Enhanced Productivity of Chemical Processes Using Dense Fluidized Beds

    SciTech Connect (OSTI)

    2004-07-01

    Enabling Computational Technology Will Directly Impact the Energy Requirements of Catalytic and Non-Catalytic Reaction Processes.

  11. Direct Photons in Heavy-Ion Collisions

    E-Print Network [OSTI]

    Klaus Reygers

    2006-11-06

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

  12. Directions_Crossroads_Facilities

    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 BondingMeetingDifferencesPlatinumDirections New


  13. Omni-directional railguns

    DOE Patents [OSTI]

    Shahinpoor, M.

    1995-07-25

    A device is disclosed for electromagnetically accelerating projectiles. The invention features two parallel conducting circular plates, a plurality of electrode connections to both upper and lower plates, a support base, and a projectile magazine. A projectile is spring-loaded into a firing position concentrically located between the parallel plates. A voltage source is applied to the plates to cause current to flow in directions defined by selectable, discrete electrode connections on both upper and lower plates. Repulsive Lorentz forces are generated to eject the projectile in a 360 degree range of fire. 4 figs.

  14. Omni-directional railguns

    DOE Patents [OSTI]

    Shahinpoor, Mohsen (9521 Avenida Del Oso NE., Albuquerque, NM 87111)

    1995-01-01

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

  15. Buckman Direct Diversion Project

    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 L OBransen PlasmaEnergy, science,Buckman Direct Diversion Project

  16. Direct Federal Financial

    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) Wyoming963 1.969 1.979Coal4Cubic Feet)Cubic1992Thousand9)%YearD e sDirect

  17. Directives Points of Contact

    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 HAB PacketDiesel prices continueDileepDirections

  18. Directives Quarterly Update

    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 HAB PacketDiesel prices continueDileepDirections Management's home page

  19. Directives Quarterly Update

    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 HAB PacketDiesel prices continueDileepDirections Management's home

  20. Directives Quarterly Update

    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 HAB PacketDiesel prices continueDileepDirections Management's

  1. Directives Quarterly Update

    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 HAB PacketDiesel prices continueDileepDirections Management's

  2. Directives Quarterly Update

    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 HAB PacketDiesel prices continueDileepDirections Management's home page

  3. Directives Quarterly Update

    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 HAB PacketDiesel prices continueDileepDirections Management's home page

  4. Directives Quarterly Update

    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 HAB PacketDiesel prices continueDileepDirections Management's home page

  5. Hydrocarbon Processing`s refining processes `96

    SciTech Connect (OSTI)

    NONE

    1996-11-01

    The paper compiles information on the following refining processes: alkylation, benzene reduction, benzene saturation, catalytic cracking, catalytic reforming, coking, crude distillation, deasphalting, deep catalytic cracking, electrical desalting, ethers, fluid catalytic cracking, hydrocracking, hydrogenation, hydrotreating, isomerization, resid catalytic cracking, treating, and visbreaking. The application, products, a description of the process, yield, economics, installation, and licensor are given for each entry.

  6. Directives System Order

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

    1995-10-16

    The order prescribes the process for development of Policy Statements, Orders, Notices, Manuals and Guides, which are intended to guide, inform, and instruct employees in the performance of their jobs, and enable them to work effectively within the Department and with agencies, contractors, and the public.

  7. Remote direct memory access

    DOE Patents [OSTI]

    Archer, Charles J.; Blocksome, Michael A.

    2012-12-11

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

  8. Direct Aerosol Forcing Uncertainty

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

    Mccomiskey, Allison

    Understanding sources of uncertainty in aerosol direct radiative forcing (DRF), the difference in a given radiative flux component with and without aerosol, is essential to quantifying changes in Earth's radiation budget. We examine the uncertainty in DRF due to measurement uncertainty in the quantities on which it depends: aerosol optical depth, single scattering albedo, asymmetry parameter, solar geometry, and surface albedo. Direct radiative forcing at the top of the atmosphere and at the surface as well as sensitivities, the changes in DRF in response to unit changes in individual aerosol or surface properties, are calculated at three locations representing distinct aerosol types and radiative environments. The uncertainty in DRF associated with a given property is computed as the product of the sensitivity and typical measurement uncertainty in the respective aerosol or surface property. Sensitivity and uncertainty values permit estimation of total uncertainty in calculated DRF and identification of properties that most limit accuracy in estimating forcing. Total uncertainties in modeled local diurnally averaged forcing range from 0.2 to 1.3 W m-2 (42 to 20%) depending on location (from tropical to polar sites), solar zenith angle, surface reflectance, aerosol type, and aerosol optical depth. The largest contributor to total uncertainty in DRF is usually single scattering albedo; however decreasing measurement uncertainties for any property would increase accuracy in DRF. Comparison of two radiative transfer models suggests the contribution of modeling error is small compared to the total uncertainty although comparable to uncertainty arising from some individual properties.

  9. Direct Aerosol Forcing Uncertainty

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

    Mccomiskey, Allison

    2008-01-15

    Understanding sources of uncertainty in aerosol direct radiative forcing (DRF), the difference in a given radiative flux component with and without aerosol, is essential to quantifying changes in Earth's radiation budget. We examine the uncertainty in DRF due to measurement uncertainty in the quantities on which it depends: aerosol optical depth, single scattering albedo, asymmetry parameter, solar geometry, and surface albedo. Direct radiative forcing at the top of the atmosphere and at the surface as well as sensitivities, the changes in DRF in response to unit changes in individual aerosol or surface properties, are calculated at three locations representing distinct aerosol types and radiative environments. The uncertainty in DRF associated with a given property is computed as the product of the sensitivity and typical measurement uncertainty in the respective aerosol or surface property. Sensitivity and uncertainty values permit estimation of total uncertainty in calculated DRF and identification of properties that most limit accuracy in estimating forcing. Total uncertainties in modeled local diurnally averaged forcing range from 0.2 to 1.3 W m-2 (42 to 20%) depending on location (from tropical to polar sites), solar zenith angle, surface reflectance, aerosol type, and aerosol optical depth. The largest contributor to total uncertainty in DRF is usually single scattering albedo; however decreasing measurement uncertainties for any property would increase accuracy in DRF. Comparison of two radiative transfer models suggests the contribution of modeling error is small compared to the total uncertainty although comparable to uncertainty arising from some individual properties.

  10. Direct printing of lead zirconate titanate thin films

    E-Print Network [OSTI]

    Bathurst, Stephen, 1980-

    2008-01-01

    Thus far, use of lead zirconate titanate (PZT) in MEMS has been limited due to the lack of process compatibility with existing MEMS manufacturing techniques. Direct printing of thin films eliminates the need for photolithographic ...

  11. HIPAD - A Hybrid Interior-Point Alternating Direction algorithm for ...

    E-Print Network [OSTI]

    2014-07-19

    ray data for gene selection and text documents for natural language processing. Despite the large number ...... Distributed optimiza- tion and statistical learning via the alternating direction method of multipliers. ... R. Rockafellar. The multiplier

  12. Extracting metals directly from metal oxides

    DOE Patents [OSTI]

    Wai, C.M.; Smart, N.G.; Phelps, C.

    1997-02-25

    A method of extracting metals directly from metal oxides by exposing the oxide to a supercritical fluid solvent containing a chelating agent is described. Preferably, the metal is an actinide or a lanthanide. More preferably, the metal is uranium, thorium or plutonium. The chelating agent forms chelates that are soluble in the supercritical fluid, thereby allowing direct removal of the metal from the metal oxide. In preferred embodiments, the extraction solvent is supercritical carbon dioxide and the chelating agent is selected from the group consisting of {beta}-diketones, halogenated {beta}-diketones, phosphinic acids, halogenated phosphinic acids, carboxylic acids, halogenated carboxylic acids, and mixtures thereof. In especially preferred embodiments, at least one of the chelating agents is fluorinated. The method provides an environmentally benign process for removing metals from metal oxides without using acids or biologically harmful solvents. The chelate and supercritical fluid can be regenerated, and the metal recovered, to provide an economic, efficient process. 4 figs.

  13. Extracting metals directly from metal oxides

    DOE Patents [OSTI]

    Wai, Chien M. (Moscow, ID); Smart, Neil G. (Moscow, ID); Phelps, Cindy (Moscow, ID)

    1997-01-01

    A method of extracting metals directly from metal oxides by exposing the oxide to a supercritical fluid solvent containing a chelating agent is described. Preferably, the metal is an actinide or a lanthanide. More preferably, the metal is uranium, thorium or plutonium. The chelating agent forms chelates that are soluble in the supercritical fluid, thereby allowing direct removal of the metal from the metal oxide. In preferred embodiments, the extraction solvent is supercritical carbon dioxide and the chelating agent is selected from the group consisting of .beta.-diketones, halogenated .beta.-diketones, phosphinic acids, halogenated phosphinic acids, carboxylic acids, halogenated carboxylic acids, and mixtures thereof. In especially preferred embodiments, at least one of the chelating agents is fluorinated. The method provides an environmentally benign process for removing metals from metal oxides without using acids or biologically harmful solvents. The chelate and supercritical fluid can be regenerated, and the metal recovered, to provide an economic, efficient process.

  14. Bioenergy Technologies Office New Directions

    Broader source: Energy.gov [DOE]

    New Directions and New Business Opportunities for BETO Valerie Reed, Acting Director, BETO, U.S. Department of Energy

  15. Direct Aromaization of Methane

    SciTech Connect (OSTI)

    George Marcelin

    1997-01-15

    The thermal decomposition of methane offers significant potential as a means of producing higher unsaturated and aromatic hydrocarbons when the extent of reaction is limited. Work in the literature previous to this project had shown that cooling the product and reacting gases as the reaction proceeds would significantly reduce or eliminate the formation of solid carbon or heavier (Clo+) materials. This project studied the effect and optimization of the quenching process as a means of increasing the amount of value added products during the pyrolysis of methane. A reactor was designed to rapidly quench the free-radical combustion reaction so as to maximize the yield of aromatics. The use of free-radical generators and catalysts were studied as a means of lowering the reaction temperature. A lower reaction temperature would have the benefits of more rapid quenching as well as a more feasible commercial process due to savings realized in energy and material of construction costs. It was the goal of the project to identify promising routes from methane to higher hydrocarbons based on the pyrolysis of methane.

  16. Effects of surface properties on solder bump formation by direct droplet deposition

    E-Print Network [OSTI]

    Hsiao, Wen Kai, 1972-

    2004-01-01

    Recent advances in microdroplet generation and deposition processes have made it possible to directly form solder bumps on integrated circuits using micron-sized molten metal droplets. The direct droplet deposition bumping ...

  17. Analysis of a direct energy conversion system using medium energy helium ions 

    E-Print Network [OSTI]

    Carter, Jesse James

    2006-08-16

    A scaled direct energy conversion device was built to convert kinetic energy of singly ionized helium ions into an electric potential by the process of direct conversion. The experiments in this paper aimed to achieve higher potentials and higher...

  18. Multiple direction vibration fixture

    DOE Patents [OSTI]

    Cericola, Fred (Albuquerque, NM); Doggett, James W. (Albuquerque, NM); Ernest, Terry L. (Albuquerque, NM); Priddy, Tommy G. (Rockville, MD)

    1991-01-01

    An apparatus for simulating a rocket launch environment on a test item undergoing centrifuge testing by subjecting the item simultaneously or separately to vibration along an axis of centripetal force and along an axis perpendicular to the centripetal force axis. The apparatus includes a shaker motor supported by centrifuge arms and a right angle fixture pivotally connected to one of the shaker motor mounts. When the shaker motor vibrates along the centripetal force axis, the vibrations are imparted to a first side of the right angle fixture. The vibrations are transmitted 90 degrees around the pivot and are directed to a second side of the right angle fixture which imparts vibrations perpendicular to the centripetal force axis. The test item is in contact with a third side of the right angle fixture and receives both centripetal-force-axis vibrations and perpendicular axis vibrations simultaneously. A test item can be attached to the third side near the flexible coupling or near the air bag to obtain vibrations along the centripetal force axis or transverse to the centripetal force axis.

  19. DIRECT LIQUEFACTION PROOF OF CONCEPT

    SciTech Connect (OSTI)

    1998-09-01

    The eighth bench scale test of POC program, Run PB-08, was successfully completed from August 8 to August 26, 1997. A total of five operating conditions were tested aiming at evaluating the reactivity of different pyrolysis oils in liquefaction of a Wyoming sub-bituminous coal (Black Thunder coal). For the first time, water soluble promoters were incorporated into the iron-based GelCat to improve the dispersion of the promoter metals in the feed blend. The concentration of the active metals, Mo and Fe, was 100 and 1000 ppm of moisture-free coal, respectively. Black Thunder coal used in this run was the same batch as tested in HTI?s Run POC-02. Similar to Runs PB-01 through 7, this run employed two back mixed slurry reactors, an interstage gas/slurry separator and a direct-coupled hydrotreater. In addition to the hot vapor from the second stage separator, the first stage separator overhead liquid was also fed to the hydrotreater, which was packed with Criterion C-411 hydrotreating catalyst. Pyrolysis oil was produced off-line from a pyrolysis unit acquired from University of Wyoming. Solids rejection was achieved by purging out pressure filter solid. The recycle solvents consisted of O-6 separator bottoms and pressure filter liquid (PFL). The Run PB-08 proceeded very smoothly without any interruptions. Coal conversion consistently above 90W% was achieved. High resid conversion and distillate yield have been obtained from co-processing of coal and 343°C+ (650°F+) pyrolysis oil. Light gas (C1-C3 ) yield was minimized and hydrogen consumption was reduced due to the introduction of pyrolysis oil, compared with conventional coal-derived solvent. Catalytic activity was improved by incorporating a promoter metal into the iron-based GelCat. It seemed that lowering the first stage temperature to 435°C might increase the hydrogenation function of the promoter metal. In comparison with previous coal-waste coprocessing run (PB-06), significant improvements in the process performance were achieved due to catalyst modification and integration of pyrolysis technique into liquefaction.

  20. Laboratory Directed Research and Development

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

    2015-04-30

    To establish Department of Energy (DOE) requirements for laboratory directed research and development (LDRD) while providing the laboratory director broad flexibility for program implementation

  1. Laboratory Directed Research and Development

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

    To establish Department of Energy (DOE) requirements for laboratory directed research and development (LDRD) while providing the laboratory director broad flexibility for program implementation.

  2. Direct cooled power electronics substrate

    DOE Patents [OSTI]

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

    2010-09-14

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

  3. HYDROLOGICAL PROCESSES Hydrol. Process. (2011)

    E-Print Network [OSTI]

    2011-01-01

    HYDROLOGICAL PROCESSES Hydrol. Process. (2011) Published online in Wiley Online Library. Many recent studies quantify historical trends in streamflow and usually attribute these trends to structure studies of streamflow responses to climate change. A wide variety of trends in streamflow have

  4. Scalar Dark Matter: Direct vs. Indirect Detection

    E-Print Network [OSTI]

    Michael Duerr; Pavel Fileviez Perez; Juri Smirnov

    2015-09-14

    We revisit the simplest model for dark matter. In this context the dark matter candidate is a real scalar field which interacts with the Standard Model particles through the Higgs portal. We discuss the relic density constraints as well as the predictions for direct and indirect detection. The final state radiation processes are investigated in order to understand the visibility of the gamma lines from dark matter annihilation. We find two regions where one could observe the gamma lines at gamma-ray telescopes. We point out that the region where the dark matter mass is between 100 and 300 GeV can be tested in the near future at direct and indirect detection experiments.

  5. Scalar Dark Matter: Direct vs. Indirect Detection

    E-Print Network [OSTI]

    Duerr, Michael; Smirnov, Juri

    2015-01-01

    We revisit the simplest model for dark matter. In this context the dark matter candidate is a real scalar field which interacts with the Standard Model particles through the Higgs portal. We discuss the relic density constraints as well as the predictions for direct and indirect detection. The final state radiation processes are investigated in order to understand the visibility of the gamma lines from dark matter annihilation. We find two regions where one could observe the gamma lines at gamma-ray telescopes. We point out that the region where the dark matter mass is between 100 and 300 GeV can be tested in the near future at direct and indirect detection experiments.

  6. Development of Direct-Use Projects: Preprint

    SciTech Connect (OSTI)

    Lund, J.

    2011-01-01

    A geothermal direct-use project utilizes a natural resource, a flow of geothermal fluid at elevated temperatures, which is capable of providing heat and/or cooling to buildings, greenhouses, aquaculture ponds, and industrial processes. Geothermal utilization requires matching the varied needs of the user and characteristics of the resource in order to development a successful project. Each application is unique; guidelines are provided for the logical steps required to implement a project. Recommended temperature and flows are suggested for spas and pools, space and district heating, greenhouse and aquaculture pond heating, and industrial applications. Guidelines are provided for selecting the necessary equipment for successfully implementing a direct-use project, including downhole pumps, piping, heat exchangers, and heat convectors. Additionally, the relationship between temperature, flow rate, and the use of heat exchangers to provide heat to a space with hot water or hot air is provided for a number of applications, with suggested 'rules of thumb'.

  7. Directed Self-Assembly of Nanodispersions

    SciTech Connect (OSTI)

    Furst, Eric M

    2013-11-15

    Directed self-assembly promises to be the technologically and economically optimal approach to industrial-scale nanotechnology, and will enable the realization of inexpensive, reproducible and active nanostructured materials with tailored photonic, transport and mechanical properties. These new nanomaterials will play a critical role in meeting the 21st century grand challenges of the US, including energy diversity and sustainability, national security and economic competitiveness. The goal of this work was to develop and fundamentally validate methods of directed selfassembly of nanomaterials and nanodispersion processing. The specific aims were: 1. Nanocolloid self-assembly and interactions in AC electric fields. In an effort to reduce the particle sizes used in AC electric field self-assembly to lengthscales, we propose detailed characterizations of field-driven structures and studies of the fundamental underlying particle interactions. We will utilize microscopy and light scattering to assess order-disorder transitions and self-assembled structures under a variety of field and physicochemical conditions. Optical trapping will be used to measure particle interactions. These experiments will be synergetic with calculations of the particle polarizability, enabling us to both validate interactions and predict the order-disorder transition for nanocolloids. 2. Assembly of anisotropic nanocolloids. Particle shape has profound effects on structure and flow behavior of dispersions, and greatly complicates their processing and self-assembly. The methods developed to study the self-assembled structures and underlying particle interactions for dispersions of isotropic nanocolloids will be extended to systems composed of anisotropic particles. This report reviews several key advances that have been made during this project, including, (1) advances in the measurement of particle polarization mechanisms underlying field-directed self-assembly, and (2) progress in the directed self-assembly of anisotropic nanoparticles and their unique physical properties.

  8. NEW DIRECTIONS IN LOCAL HISTORY

    E-Print Network [OSTI]

    Banaji,. Murad

    NEW DIRECTIONS IN LOCAL HISTORY SINCE HOSKINS Edited by Christopher Dyer, Andrew Hopper, Evelyn Lord and Nigel Tringham New Directions in Local History since Hoskins Local history in Britain can of the publication of his Local History in England which was designed to help people researching the history

  9. MICROSTRUCTURE AND PROPERTIES OF A15 SUPERCONDUCTORS FORMED BY DIRECT PRECIPITATION

    E-Print Network [OSTI]

    Hong, M.

    2010-01-01

    early stage of the precipitation process. c C c S. Fooer, E.FORMED BT DIRECT PRECIPITATION M. Hong, D. R. D l e c d e ron the details of the precipitation process, which determine

  10. Thermochemical Ethanol via Direct Gasification and Mixed Alcohol Synthesis of Lignocellulosic Biomass

    SciTech Connect (OSTI)

    Dutta, A.; Phillips, S. D.

    2009-07-01

    This report evaluates process design and technoeconomic criteria for a direct gasification process for conversion of biomass to ethanol. Follow-up to NREL/TP-510-41168.

  11. Efficient Placement of Directional Antennas

    SciTech Connect (OSTI)

    Pan, Feng; Kasiviswanathan, Shiva

    2010-09-20

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

  12. Exploring the randomness of Directed Acyclic Networks

    E-Print Network [OSTI]

    Joaquín Goñi; Bernat Corominas-Murtra; Ricard V. Solé; Carlos Rodríguez-Caso

    2010-06-11

    The feed-forward relationship naturally observed in time-dependent processes and in a diverse number of real systems -such as some food-webs and electronic and neural wiring- can be described in terms of so-called directed acyclic graphs (DAGs). An important ingredient of the analysis of such networks is a proper comparison of their observed architecture against an ensemble of randomized graphs, thereby quantifying the {\\em randomness} of the real systems with respect to suitable null models. This approximation is particularly relevant when the finite size and/or large connectivity of real systems make inadequate a comparison with the predictions obtained from the so-called {\\em configuration model}. In this paper we analyze four methods of DAG randomization as defined by the desired combination of topological invariants (directed and undirected degree sequence and component distributions) aimed to be preserved. A highly ordered DAG, called \\textit{snake}-graph and a Erd\\:os-R\\'enyi DAG were used to validate the performance of the algorithms. Finally, three real case studies, namely, the \\textit{C. elegans} cell lineage network, a PhD student-advisor network and the Milgram's citation network were analyzed using each randomization method. Results show how the interpretation of degree-degree relations in DAGs respect to their randomized ensembles depend on the topological invariants imposed. In general, real DAGs provide disordered values, lower than the expected by chance when the directedness of the links is not preserved in the randomization process. Conversely, if the direction of the links is conserved throughout the randomization process, disorder indicators are close to the obtained from the null-model ensemble, although some deviations are observed.

  13. Security Requirements for Classified Automatic Data Processing Systems

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

    1985-07-10

    To establish and describe the computer security program for classified automatic data processing (ADP) systems at the Department of Energy (DOE) Headquarters. This directive does not cancel another directive. Canceled by DOE N 251.9.

  14. Direct use of methane in coal liquefaction

    DOE Patents [OSTI]

    Sundaram, Muthu S. (Shoreham, NY); Steinberg, Meyer (Melville, NY)

    1987-01-01

    This invention relates to a process for converting solid carbonaceous material, such as coal, to liquid and gaseous hydrocarbons utilizing methane, generally at a residence time of about 20-120 minutes at a temperature of 250.degree.-750.degree. C., preferably 350.degree.-450.degree. C., pressurized up to 6000 psi, and preferably in the 1000-2500 psi range, preferably directly utilizing methane 50-100% by volume in a mix of methane and hydrogen. A hydrogen donor solvent or liquid vehicle such as tetralin, tetrahydroquinoline, piperidine, and pyrolidine may be used in a slurry mix where the solvent feed is 0-100% by weight of the coal or carbonaceous feed. Carbonaceous feed material can either be natural, such as coal, wood, oil shale, petroleum, tar sands, etc., or man-made residual oils, tars, and heavy hydrocarbon residues from other processing systems.

  15. Direct write with microelectronic circuit fabrication

    DOE Patents [OSTI]

    Drummond, T.; Ginley, D.

    1988-05-31

    In a process for deposition of material onto a substrate, for example, the deposition of metals for dielectrics onto a semiconductor laser, the material is deposited by providing a colloidal suspension of the material and directly writing the suspension onto the substrate surface by ink jet printing techniques. This procedure minimizes the handling requirements of the substrate during the deposition process and also minimizes the exchange of energy between the material to be deposited and the substrate at the interface. The deposited material is then resolved into a desired pattern, preferably by subjecting the deposit to a laser annealing step. The laser annealing step provides high resolution of the resultant pattern while minimizing the overall thermal load of the substrate and permitting precise control of interface chemistry and interdiffusion between the substrate and the deposit. 3 figs.

  16. Direct Production of Silicones From Sand

    SciTech Connect (OSTI)

    Larry N. Lewis; F.J. Schattenmann: J.P. Lemmon

    2001-09-30

    Silicon, in the form of silica and silicates, is the second most abundant element in the earth's crust. However the synthesis of silicones (scheme 1) and almost all organosilicon chemistry is only accessible through elemental silicon. Silicon dioxide (sand or quartz) is converted to chemical-grade elemental silicon in an energy intensive reduction process, a result of the exceptional thermodynamic stability of silica. Then, the silicon is reacted with methyl chloride to give a mixture of methylchlorosilanes catalyzed by cooper containing a variety of tract metals such as tin, zinc etc. The so-called direct process was first discovered at GE in 1940. The methylchlorosilanes are distilled to purify and separate the major reaction components, the most important of which is dimethyldichlorosilane. Polymerization of dimethyldichlorosilane by controlled hydrolysis results in the formation of silicone polymers. Worldwide, the silicones industry produces about 1.3 billion pounds of the basic silicon polymer, polydimethylsiloxane.

  17. Direct use of methane in coal liquefaction

    DOE Patents [OSTI]

    Sundaram, M.S.; Steinberg, M.

    1985-06-19

    This invention relates to a process for converting solid carbonaceous material, such as coal, to liquid and gaseous hydrocarbons utilizing methane, generally at a residence time of about 20 to 120 minutes at a temperature of 250 to 750/sup 0/C, preferably 350 to 450/sup 0/C, pressurized up to 6000 psi, and preferably in the 1000 to 2500 psi range, preferably directly utilizing methane 50 to 100% by volume in a mix of methane and hydrogen. A hydrogen donor solvent or liquid vehicle such as tetralin, tetrahydroquinoline, piperidine, and pyrolidine may be used in a slurry mix where the solvent feed is 0 to 100% by weight of the coal or carbonaceous feed. Carbonaceous feed material can either be natural, such as coal, wood, oil shale, petroleum, tar sands, etc., or man-made residual oils, tars, and heavy hydrocarbon residues from other processing systems. 1 fig.

  18. Directional fast-neutron detector

    DOE Patents [OSTI]

    Byrd, Roger C. (Albuquerque, NM)

    1994-01-01

    A plurality of omnidirectional radiation detectors are arranged in a close packed symmetrical pattern to form a segmented detector. The output radiation counts from these detectors are arithmetically combined to provide the direction of a source of incident radiation. Directionality is achieved without the use of shielding to provide collimation and background reduction effects. Indeed, output counts from paired detectors are simply subtracted to yield a vector direction toward the radiation source. The counts from all of the detectors can be combined to yield an output signal functionally related to the radiation source strength.

  19. Process for manufacturing multilayer capacitors

    DOE Patents [OSTI]

    Lauf, Robert J. (Oak Ridge, TN); Holcombe, Cressie E. (Knoxville, TN); Dykes, Norman L. (Oak Ridge, TN)

    1996-01-01

    The invention is directed to a method of manufacture of multilayer electrical components, especially capacitors, and components made by such a method. High capacitance dielectric materials and low cost metallizations layered with such dielectrics may be fabricated as multilayer electrical components by sintering the metallizations and the dielectrics during the fabrication process by application of microwave radiation.

  20. High temperature lubricating process

    DOE Patents [OSTI]

    Taylor, Robert W. (Livermore, CA); Shell, Thomas E. (Livermore, CA)

    1982-01-01

    It has been difficult to provide adaquate lubrication for load bearing, engine components when such engines are operating in excess of about 475.degree. C. The present invention is a process for providing a solid lubricant on a load bearing, solid surface (14), such as in an engine (10) being operated at temperatures in excess of about 475.degree. C. The process comprises contacting and maintaining steps. A gas phase (42) is provided which includes at least one component reactable in a temperature dependent reaction to form a solid lubricant. The gas phase is contacted with the load bearing surface. The load bearing surface is maintained at a temperature which causes reaction of the gas phase component and the formation of the solid lubricant. The solid lubricant is formed directly on the load bearing surface. The method is particularly suitable for use with ceramic engines.

  1. Advanced Particulate Filter Technologies for Direct Injection...

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

    Particulate Filter Technologies for Direct Injection Gasoline Engine Applications Advanced Particulate Filter Technologies for Direct Injection Gasoline Engine Applications...

  2. Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine...

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

    Vehicle Technologies Office Merit Review 2014: Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine Development Advanced Gasoline Turbocharged Direct Injection...

  3. Laboratory Directed Research and Development (Informational Purposes Only)

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

    2015-07-29

    This draft has been scheduled for final review before the Directives Review Board on 8-6-15. All major comments and concerns should be provided to your DRB representative, following your organization process. If you do not know who your representative is, please see the list of DRB members at https://www.directives.doe.gov/beta/references/directives-review-board. If your office is represented by Ingrid Kolb, Director, Office of Management, please submit your major concerns and comments to the DRB Liaison, Camille Beben (Camille.Beben@hq.doe.gov; 202-586-4014). All major comments and concerns should be submitted by COB 8-5-15.

  4. Laboratory Directed Research and Development

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

    2015-10-22

    To establish Department of Energy (DOE) requirements for laboratory directed research and development (LDRD) while providing the laboratory director broad flexibility for program implementation. Supersedes DOE O 413.2B.

  5. Laboratory Directed Research and Development

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

    2001-01-08

    To establish the Department's, including the NNSA's, requirements for laboratory-directed research and development (LDRD) while providing the laboratory director broad flexibility for program implementation. Cancels DOE O 413.2. Canceled by DOE O 413.2B.

  6. Directional impedance of geared transmissions

    E-Print Network [OSTI]

    Wang, Albert Duan

    2012-01-01

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

  7. Laboratory Directed Research and Development

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

    2006-04-19

    The Order establishes DOE requirements and responsibilities for laboratory directed research and development while providing laboratory directors with broad flexibility for program implementation. Cancels DOE O 413.2A. Admin Chg 1, 1-31-11.

  8. Direct Multisearch for Multiobjective Optimization

    E-Print Network [OSTI]

    2010-06-01

    Jun 1, 2010 ... derivatives of the individual functions along directions d in the hypertangent cone to ? at x, f. ? i (x;d) = .... functions (?(·),...,?(·)) or the constant, zero vector of dimension m. ...... Multiobjective GAs, quantative indices, and pattern.

  9. Research Directions in Rewriting Logic ?

    E-Print Network [OSTI]

    Meseguer, José

    introduction to rewriting logic, and to paint in broad strokes the main research directions that, since its and Strategies ? Supported by Office of Naval Research Contracts N00014­95­C­0225 and N00014­96­ C­0114

  10. Direct reactions for nuclear structure and nuclear astrophysics

    SciTech Connect (OSTI)

    Jones, Katherine Louise

    2014-12-18

    Direct reactions are powerful probes for studying the atomic nucleus. Modern direct reaction studies are illuminating both the fundamental nature of the nucleus and its role in nucleosynthetic processes occurring in the cosmos. This report covers experiments using knockout reactions on neutron-deficient fragmentation beams, transfer reactions on fission fragment beams, and theoretical sensitivity studies relating to the astrophysical r-process. Results from experiments on 108,106Sn at the NSCL, and on 131Sn at HRIBF are presented as well as the results from the nucleosynthesis study.

  11. Direct liquefaction proof-of-concept facility

    SciTech Connect (OSTI)

    Alfred G. Comolli; Peizheng Zhou; HTI Staff

    2000-01-01

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

  12. Droplet structure interactions in direct containment heating

    SciTech Connect (OSTI)

    Baker, L. Jr.; Pilch, M.; Tarbell, W.W.

    1988-01-01

    Direct containment heating (DCH) in light water reactors can occur during severe accidents that involve the meltout of the bottom of the reactor vessel while the vessel is at high pressure. The ejected core debris can heat and pressurize the atmosphere and challenge the integrity of containment. The results of recent large-scale direct containment heating tests in the Surtsey facility at the Sandia National Laboratories have demonstrated the importance of the interactions of core debris with structure. In the DCH-2, -3, and -4 tests, > 50% of the simulated core debris injected into the large vessel was found frozen to the ceiling or sidewalls. This finding led to questions concerning the detailed physics of debris/structure interactions. It was expected that vigorous splashing assisted by gravity would have limited the quantity of frozen debris to much smaller amounts. Accordingly, a search of the technical literature was undertaken in the areas of liquid drop interactions with surfaces and with other liquid drops to provide the bases for modeling. The available information was reviewed for applicability to the DCH process. The results of the search and review led to a correlation for the splashing process and a preliminary explanation of the DCH test results in the form of illustrative models.

  13. Directions

    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 BondingMeetingDifferencesPlatinum FuelEnergy

  14. Hydrocracking process

    SciTech Connect (OSTI)

    Baird, M.J.; Gutberlet, L.C.; Miller, J.T.

    1984-02-14

    A process for hydrocracking gas oil boiling range hydrocarbon feeds comprising contacting the feed with hydrogen under hydrocracking conditions in the presence of a catalyst comprising an active metallic component comprising at least one metal having hydrogenation activity and at least one oxygenated phosphorus component, and a support component comprising at least one non-zeolitic, porous refractory inorganic oxide matrix component and at least one crystalline molecular sieve zeolite component.

  15. Hydrocracking process

    SciTech Connect (OSTI)

    Lamb, P.R.; Bakas, S.T.; Wood, B.M.

    1984-05-08

    A method is disclosed for hydrocracking a hydrocarbon feedstock having a propensity to form polynuclear aromatic compounds without excessively fouling the processing unit. The hydrocracking method includes contacting the hydrocarbon feedstock with a crystalline zeolite hydrocracking catalyst, contacting at least a portion of the resulting unconverted hydrocarbon oil containing polynuclear aromatic compounds with an adsorbent which selectively retains polynuclear aromatic compounds and recycling unconverted hydrocarbon oil having a reduced concentration of polynuclear aromatic compounds to the hydrocracking zone.

  16. HYDROLOGICAL PROCESSES Hydrol. Process. (2011)

    E-Print Network [OSTI]

    Fountain, Andrew G.

    2011-01-01

    . Simultaneous time series for electrical conductivity, water temperature, and DO over the four-week study period. The main driver of the observed variations in DO is likely to be periodic melt-freeze cycles. We conclude perturbations have large impacts on hydrological and biological processes, via changes in rates of ice and snow

  17. Hydropyrolysis process

    DOE Patents [OSTI]

    Ullman, Alan Z. (Northridge, CA); Silverman, Jacob (Woodland Hills, CA); Friedman, Joseph (Huntington Beach, CA)

    1986-01-01

    An improved process for producing a methane-enriched gas wherein a hydrogen-deficient carbonaceous material is treated with a hydrogen-containing pyrolysis gas at an elevated temperature and pressure to produce a product gas mixture including methane, carbon monoxide and hydrogen. The improvement comprises passing the product gas mixture sequentially through a water-gas shift reaction zone and a gas separation zone to provide separate gas streams of methane and of a recycle gas comprising hydrogen, carbon monoxide and methane for recycle to the process. A controlled amount of steam also is provided which when combined with the recycle gas provides a pyrolysis gas for treatment of additional hydrogen-deficient carbonaceous material. The amount of steam used and the conditions within the water-gas shift reaction zone and gas separation zone are controlled to obtain a steady-state composition of pyrolysis gas which will comprise hydrogen as the principal constituent and a minor amount of carbon monoxide, steam and methane so that no external source of hydrogen is needed to supply the hydrogen requirements of the process. In accordance with a particularly preferred embodiment, conditions are controlled such that there also is produced a significant quantity of benzene as a valuable coproduct.

  18. Directives Review Board - DOE Directives, Delegations, and Requirements

    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 HAB PacketDiesel prices continueDileepDirections Management'sDirectives

  19. Ceramic Processing

    SciTech Connect (OSTI)

    EWSUK,KEVIN G.

    1999-11-24

    Ceramics represent a unique class of materials that are distinguished from common metals and plastics by their: (1) high hardness, stiffness, and good wear properties (i.e., abrasion resistance); (2) ability to withstand high temperatures (i.e., refractoriness); (3) chemical durability; and (4) electrical properties that allow them to be electrical insulators, semiconductors, or ionic conductors. Ceramics can be broken down into two general categories, traditional and advanced ceramics. Traditional ceramics include common household products such as clay pots, tiles, pipe, and bricks, porcelain china, sinks, and electrical insulators, and thermally insulating refractory bricks for ovens and fireplaces. Advanced ceramics, also referred to as ''high-tech'' ceramics, include products such as spark plug bodies, piston rings, catalyst supports, and water pump seals for automobiles, thermally insulating tiles for the space shuttle, sodium vapor lamp tubes in streetlights, and the capacitors, resistors, transducers, and varistors in the solid-state electronics we use daily. The major differences between traditional and advanced ceramics are in the processing tolerances and cost. Traditional ceramics are manufactured with inexpensive raw materials, are relatively tolerant of minor process deviations, and are relatively inexpensive. Advanced ceramics are typically made with more refined raw materials and processing to optimize a given property or combination of properties (e.g., mechanical, electrical, dielectric, optical, thermal, physical, and/or magnetic) for a given application. Advanced ceramics generally have improved performance and reliability over traditional ceramics, but are typically more expensive. Additionally, advanced ceramics are typically more sensitive to the chemical and physical defects present in the starting raw materials, or those that are introduced during manufacturing.

  20. Proposal Process

    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 wouldMass mapSpeedingProgramExemptions |(Conference)Project TourVehicles &Proposal Process

  1. Fast Generators of Direct Photons

    E-Print Network [OSTI]

    S. M. Kiselev

    2008-11-17

    Three fast generators of direct photons in the central rapidity region of high-energy heavy-ion collisions have been presented The generator of prompt photons is based on a tabulation of $p+p(\\bar p)$ data and binary scaling. Two generators of thermal direct photons, for hot hadron gas (HHG) and quark-gluon plasma (QGP) scenarios, assume the 1+1 Bjorken hydrodynamics. SPS and RHIC data can be fitted better by scenario with QGP. Predictions for the LHC energy have been made. The generators have been realized as macros for the ROOT analysis package.

  2. Directions to Wilson Hall, Fermilab

    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 HAB PacketDiesel prices continueDileepDirections &Directions Both

  3. Exit Counseling Guide for Direct Loan Borrowers You borrowed Direct Subsidized Loans and/or

    E-Print Network [OSTI]

    Minnesota, University of

    Exit Counseling Guide for Direct Loan Borrowers You borrowed Direct Subsidized Loans and/or Direct of Education. The word "loan" refers to one or more Direct Subsidized Loans or Direct Unsubsidized Loans Subsidized Loans) · Federal Direct Unsubsidized Stafford/Ford Loans (Direct Unsubsidized Loans) · Federal

  4. Casting with Skewed Ejection Direction Hee-Kap Ahn1

    E-Print Network [OSTI]

    Cheng, Siu-Wing

    Casting with Skewed Ejection Direction Hee-Kap Ahn1 Siu-Wing Cheng2 Otfried Cheong3 Abstract Casting is a manufacturing process in which liquid is poured into a cast (mould) that has a cavity with the shape of the object to be manufactured. The liquid then hardens, after which the cast is removed. We

  5. 400-FORM-0001 11/25/08 DIRECTIVES REQUIREMENTS LIST

    E-Print Network [OSTI]

    Christian, Eric

    .1 Logistics Support GDMS GPD-7120.1A GSFC Space Asset Protection Policy GDMS GPR-7120.3C Management and Project Management Req'ts. GDMS NPR 8705.4 Risk Classification for NASA Payloads GDMS NPD 8720.1 NASA-1400.1 Waiver Processing GDMS GPR-1410.1 Directives Management GDMS GPR-1410.2 Configuration Management

  6. 1 INTRODUCTION The seismic fortification level is directly related to

    E-Print Network [OSTI]

    Spencer Jr., Billie F.

    1 INTRODUCTION The seismic fortification level is directly related to the seismic performance an important role in the theory of performance-based seismic design (Bertero V.V., 1996). There are two kinds be denoted as the function x (Id) of the fortification intensity Id. The optimum design process of aseismic

  7. Finding mold removal directions using graphics hardware Rahul Khardekar

    E-Print Network [OSTI]

    McMains, Sara

    Finding mold removal directions using graphics hardware Rahul Khardekar University of California, Berkeley Sara McMains University of California, Berkeley 1 Introduction In molding and casting manufacturing processes, molten raw ma- terial is shaped in molds from which the resulting part must be re

  8. Independent Coding of Wind Direction in Cockroach Giant Interneurons

    E-Print Network [OSTI]

    Libersat, Frederic

    Independent Coding of Wind Direction in Cockroach Giant Interneurons ADI MIZRAHI AND FREDERIC of the Negev, Beer Sheva 84105, Israel Mizrahi, Adi and Frederic Libersat. Independent coding of wind soma-to-cell interactions in the localization processing of a wind of three pairs of bilateral cells. The vGIs (GI1

  9. Crystallization process

    DOE Patents [OSTI]

    Adler, Robert J. (Shaker Heights, OH); Brown, William R. (Brecksville, OH); Auyang, Lun (Highland Heights, OH); Liu, Yin-Chang (Richmond Heights, OH); Cook, W. Jeffrey (Cleveland Heights, OH)

    1986-01-01

    An improved crystallization process is disclosed for separating a crystallizable material and an excluded material which is at least partially excluded from the solid phase of the crystallizable material obtained upon freezing a liquid phase of the materials. The solid phase is more dense than the liquid phase, and it is separated therefrom by relative movement with the formation of a packed bed of solid phase. The packed bed is continuously formed adjacent its lower end and passed from the liquid phase into a countercurrent flow of backwash liquid. The packed bed extends through the level of the backwash liquid to provide a drained bed of solid phase adjacent its upper end which is melted by a condensing vapor.

  10. Hydrocracking process

    SciTech Connect (OSTI)

    Hudson, C.W.; Hamner, G.P.

    1986-10-21

    This patent describes a catalytic hydrocracking process which comprises: (a) contacting a hydrocarbon feed having a propensity to form polynuclear aromatic hydrocarbon compounds in a hydrocracking zone with added hydrogen and a metal promoted crystalline zeolite hydrocracking catalyst; (b) condensing the hydrocarbon effluent from the hydrocracking zone. Then, separating the same into a low boiling hydrocarbon product and unconverted hydrocarbon oil containing small quantities of polynuclear aromatic hydrocarbon compounds; (c) contacting at least a portion of the unconverted hydrocarbon oil containing polynuclear aromatic compounds with a catalyst which contains elemental iron and one or more of an alkali or alkaline-earth metal, or compound thereof. The contacting taking place in the presence of hydrogen, at conditions inclusive of temperatures sufficient to hydrogenate and hydrocrack the polynuclear aromatic hydrocarbon compounds; and (d) recycling unconverted hydrocarbon oil having a reduced concentration of polynuclear aromatic compounds resulting from step (c) to the hydrocracking zone.

  11. Hydrocracking process

    SciTech Connect (OSTI)

    Ward, J.W.; Carlson, T.L.; Millman, W.S.

    1989-05-02

    A hydrocracking process is described which comprises contacting a hydrocarbon feedstock under hydrocracking conditions with hydrogen in the presence of a hydrocracking catalyst comprising a Group VIB metal component or a non-noble Group VIII metal component on a support comprising a zeolite aluminosilicate having a mode ratio of oxides in the anhydrous state of (0.85 -1.1)M/sub 2/n/O:Al/sub 2/O/sub 3/:xSiO/sub 2/. M is a cation having a valence of ''n'' and ''x'' has a value above 9.0, the aluminosilicate having been hydrothermally treated with resultant shrinkage in the unit cell size followed by an ammonium cation exchange.

  12. Etherification process

    DOE Patents [OSTI]

    Smith, L.A. Jr.; Hearn, D.; Jones, E.M. Jr.

    1990-08-21

    A liquid phase process is described for oligomerization of C[sub 4] and C[sub 5] isoolefins or the etherification thereof with C[sub 1] to C[sub 6] alcohols wherein the reactants are contacted in a reactor with a fixed bed acid cation exchange resin catalyst at an LHSV of 5 to 20, pressure of 0 to 400 psig and temperature of 120 to 300 F wherein the improvement is the operation of the reactor at a pressure to maintain the reaction mixture at its boiling point whereby at least a portion but less than all of the reaction mixture is vaporized. By operating at the boiling point and allowing a portion of the reaction mixture to vaporize, the exothermic heat of reaction is dissipated by the formation of more boil up and the temperature in the reactor is controlled. 2 figs.

  13. Oligomerization process

    DOE Patents [OSTI]

    Smith, L.A. Jr.; Hearn, D.; Jones, E.M. Jr.

    1991-03-26

    A liquid phase process is described for oligomerization of C[sub 4] and C[sub 5] isoolefins or the etherification thereof with C[sub 1] to C[sub 6] alcohols wherein the reactants are contacted in a reactor with a fixed bed acid cation exchange resin catalyst at an LHSV of 5 to 20, pressure of 0 to 400 psig and temperature of 120 to 300 F wherein the improvement is the operation of the reactor at a pressure to maintain the reaction mixture at its boiling point whereby at least a portion but less than all of the reaction mixture is vaporized. By operating at the boiling point and allowing a portion of the reaction mixture to vaporize, the exothermic heat of reaction is dissipated by the formation of more boil up and the temperature in the reactor is controlled. 2 figures.

  14. Oligomerization process

    DOE Patents [OSTI]

    Smith, Jr., Lawrence A. (Bellaire, TX); hearn, Dennis (Houston, TX); Jones, Jr., Edward M. (Friendswood, TX)

    1991-01-01

    A liquid phase process for oligomerization of C.sub.4 and C.sub.5 isoolefins or the etherification thereof with C.sub.1 to C.sub.6 alcohols wherein the reactants are contacted in a reactor with a fixed bed acid cation exchange resin catalyst at an LHSV of 5 to 20, pressure of 0 to 400 psig and temperature of 120 to 300.degree. F. wherein the improvement is the operation of the reactor at a pressure to maintain the reaction mixture at its boiling point whereby at least a portion but less than all of the reaction mixture is vaporized. By operating at the boiling point and allowing a portion of the reaction mixture to vaporize, the exothermic heat of reaction is dissipated by the formation of more boil up and the temperature in the reactor is controlled.

  15. Etherification process

    DOE Patents [OSTI]

    Smith, Jr., Lawrence A. (Houston, TX); Hearn, Dennis (Houston, TX); Jones, Jr., Edward M. (Friendswood, TX)

    1990-01-01

    A liquid phase process for oligomerization of C.sub.4 and C.sub.5 isoolefins or the etherification thereof with C.sub.1 to C.sub.6 alcohols wherein the reactants are contacted in a reactor with a fixed bed acid cation exchange resin catalyst at an LHSV of 5 to 20, pressure of 0 to 400 psig and temperature of 120.degree. to 300.degree. F. wherein the improvement is the operation of the reactor at a pressure to maintain the reaction mixture at its boiling point whereby at least a portion but less than all of the reaction mixture is vaporized. By operating at the boiling point and allowing a portion of the reaction mixture to vaporize, the exothermic heat of reaction is dissipated by the formation of more boil up and the temperature in the reactor is controlled.

  16. Direct from CDC Environmental Health

    E-Print Network [OSTI]

    Direct from CDC Environmental Health Services Branch Mary Jean Brown, Sc.D., R that affects practically all systems in the human body (National Research Council, 1993). In children children in the United States decreased from 8.6 percent in 1988­1991 to 1.6 percent in 1999­2002, an 81

  17. Laboratory Directed Research and Development

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

    2006-04-19

    The order establishes DOE requirements for laboratory directed research and development (LDRD) while providing the laboratory director broad flexibility for program implementation. Cancels DOE O 413.3A. Admin Chg 1, dated 1-31-11, cancels DOE O 413.2B. Certified 7-14-2011.

  18. Direct from CDC Environmental Health

    E-Print Network [OSTI]

    Direct from CDC Environmental Health Services Branch CAPTMarkD.Miller U.S.P.H.S.,R.S.,M.P.H. Emergency Preparedness and Response Training for Environmental Health Practitioners Editor's note: NEHA strives to provide up- to-date and relevant information on en- vironmental health and to build partner

  19. Direct Hamiltonization for Nambu Systems

    E-Print Network [OSTI]

    Maria Lewtchuk Espindola

    2008-10-13

    The direct hamiltonization procedure applied to Nambu mechanical systems proves that the Nambu mechanics is an usual mechanics described by only one Hamiltonian. Thus a particular case of Hamiltonian mechanics. It is also proved that any mechanical system described by the equation d{\\bf r}/dt={\\bf A(r)} is a Nambu system.

  20. Direct from CDC Environmental Health

    E-Print Network [OSTI]

    Direct from CDC Environmental Health Services Branch Editor's note: NEHA strives to provide up-to-date and relevant information on environmental health and to build part nerships in the profession. In pursuit of these goals, we feature a column from the Environmental Health Services Branch (EHSB) of the Centers

  1. Direct from CDC Environmental Health

    E-Print Network [OSTI]

    of prec Direct from CDC Environmental Health Services Branch Martin A. Kalis, M and relevant information on environmen tal health and to build partnerships in the pro fession. In pursuit of these goals, we feature a column from the Environmental Health Ser vices Branch (EHSB) of the Centers for Dis

  2. Direct from CDC Environmental Health

    E-Print Network [OSTI]

    Direct from CDC Environmental Health Services Branch JeffreyS.Neistadt,M.S.,R.S. TimothyJ.Murphy,Ph.D.,R.E.H.S. Are We Really Saving Resources with Current Hiring Practices at Local Health Departments? Editor's note: NEHA strives to provide up-to-date and relevant information on environmental health and to build

  3. Direct from CDC Environmental Health

    E-Print Network [OSTI]

    Direct from CDC Environmental Health Services Branch HilaryHeishman,M.P.H. CAPTAndrew-date and relevant information on envi ronmental health and to build partnerships in the profession. In pursuit of these goals, we feature a column from the Environmen tal Health Services Branch (EHSB) of the Centers

  4. Direct from CDC Environmental Health

    E-Print Network [OSTI]

    Direct from CDC Environmental Health Services Branch CAPT John P. Sarisky, R.S., M.P.H. The Environmental Public Health Performance Standards: Strengthening the Nation's Environmental Public Health Infrastructure and Improving Environmental Health Practice Editor's note: NEHA strives to provide up

  5. Direct from CDC Environmental Health

    E-Print Network [OSTI]

    Direct from CDC Environmental Health Services Branch KateWright,M.P.H.,Ed.D. Environmental Public Health Leadership Development Editor's note: NEHA strives to provide up-to-date and relevant information on environmental health and to build part nerships in the profession. In pursuit of these goals, we feature

  6. Improbability of DUrca process constraints EOS

    E-Print Network [OSTI]

    Hao Tong; Qiu-he Peng

    2007-12-28

    According to recent observational and theoretical progresses, the DUrca process (direct Urca process) may be excluded from the category of neutron star cooling mechanisms. This result combined with the latest nuclear symmetry energy experiments, will provide us an independent way of testing the EOS (equation of state) for supranormal density. For example, soft EOSs such as FPS will probably be excluded.

  7. DIRECT PHOTONS FROM Y(3100) DECAY

    E-Print Network [OSTI]

    Ronan, M.T.

    2010-01-01

    to search for direct photons from 0(3100) decay. V* havedecay, but a sianal of high energy direct photons remains.this excess of direct photons wi*h OCD predictions and

  8. Future Directions in Spatial Demography, Position Papers

    E-Print Network [OSTI]

    Center for Spatial Studies (UCSB), Population Research Institute (Pennsylvania State University)

    2011-01-01

    2011 Specialist Meeting—Future Directions in Spatial3–13. 2011 Specialist Meeting—Future Directions in SpatialInc. 2011 Specialist Meeting—Future Directions in Spatial

  9. Communications, and Signal Processing

    E-Print Network [OSTI]

    Prodiæ, Aleksandar

    : Digital signal processing ECE 462: Multimedia systems ECE 516 Intelligent image processing Biomedical: Digital signal processing ECE 462: Multimedia systems ECE 516 Intelligent image processing Biomedical: Digital signal processing ECE 462: Multimedia systems ECE 516 Intelligent image processing Biomedical

  10. Direct synthesis of catalyzed hydride compounds

    DOE Patents [OSTI]

    Gross, Karl J.; Majzoub, Eric

    2004-09-21

    A method is disclosed for directly preparing alkali metal aluminum hydrides such as NaAlH.sub.4 and Na.sub.3 AlH.sub.6 from either the alkali metal or its hydride, and aluminum. The hydride thus prepared is doped with a small portion of a transition metal catalyst compound, such as TiCl.sub.3, TiF.sub.3, or a mixture of these materials, in order to render them reversibly hydridable. The process provides for mechanically mixing the dry reagents under an inert atmosphere followed by charging the mixed materials with high pressure hydrogen while heating the mixture to about 125.degree. C. The method is relatively simple and inexpensive and provides reversible hydride compounds which are free of the usual contamination introduced by prior art wet chemical methods.

  11. Google matrix analysis of directed networks

    E-Print Network [OSTI]

    Leonardo Ermann; Klaus M. Frahm; Dima L. Shepelyansky

    2015-06-19

    In past ten years, modern societies developed enormous communication and social networks. Their classification and information retrieval processing become a formidable task for the society. Due to the rapid growth of World Wide Web, social and communication networks, new mathematical methods have been invented to characterize the properties of these networks on a more detailed and precise level. Various search engines are essentially using such methods. It is highly important to develop new tools to classify and rank enormous amount of network information in a way adapted to internal network structures and characteristics. This review describes the Google matrix analysis of directed complex networks demonstrating its efficiency on various examples including World Wide Web, Wikipedia, software architecture, world trade, social and citation networks, brain neural networks, DNA sequences and Ulam networks. The analytical and numerical matrix methods used in this analysis originate from the fields of Markov chains, quantum chaos and Random Matrix theory.

  12. Direct tests of single-parameter aging

    E-Print Network [OSTI]

    Tina Hecksher; Niels Boye Olsen; Jeppe C. Dyre

    2015-06-12

    This paper presents accurate data for the physical aging of organic glasses just below the glass transition probed by monitoring the following quantities after temperature up and down jumps: the shear-mechanical resonance frequency (around 360 kHz), the dielectric loss at 1 Hz, the real part of the dielectric constant at 10 kHz, and the loss-peak frequency of the dielectric beta process (around 10 kHz). The setup used allows for keeping temperature constant within 100 micro Kelvin and for thermal equilibration within a few seconds after a temperature jump. The data conform to a new simplified version of the classical Tool-Narayanaswamy aging formalism, which makes it possible to calculate one relaxation curve directly from another without any fitting to analytical functions.

  13. Peptide partitioning properties from direct insertion studies

    SciTech Connect (OSTI)

    Ulmschneider, Martin [University of Oxford; Smith, Jeremy C [ORNL; Ulmschneider, Jakob [University of Heidelberg

    2010-06-01

    Partitioning properties of polypeptides are at the heart of biological membrane phenomena and their precise quantification is vital for ab-initio structure prediction and the accurate simulation of membrane protein folding and function. Recently the cellular translocon machinery has been employed to determine membrane insertion propensities and transfer energetics for a series of polyleucine segments embedded in a carrier sequence. We show here that the insertion propensity, pathway, and transfer energetics into synthetic POPC bilayers can be fully described by direct atomistic peptide partitioning simulations. The insertion probability as a function of peptide length follows two-state Boltzmann statistics, in agreement with the experiments. The simulations expose a systematic offset between translocon-mediated and direct insertion free energies. Compared to the experiment the insertion threshold is shifted toward shorter peptides by 2 leucine residues. The simulations reveal many hitherto unknown atomic-resolution details about the partitioning process and promise to provide a powerful tool for urgently needed calibration of lipid parameters to match experimentally observed peptide transfer energies.

  14. Hydrocracking process

    SciTech Connect (OSTI)

    Kukes, S.G; Marshall, C.L.; Hopkins, P.D.; Hensley, A.L. Jr.

    1990-05-15

    This patent describes a process for the hydrocracking of a hydrocarbon feedstock. It comprises: reacting the feedstock with hydrogen at hydrocracking conversion conditions in the presence of a catalyst comprising a hydrogenation component comprising a Group VIB metal component and a Group VIII metal component and a support component comprising a refractory inorganic oxide component and a crystalline molecular sieve component wherein the crystalline molecular sieve component consists essentially of a first ultrastable zeolite Y wherein the framework silica to alumina molar ratio varies from about 5 to about 8 and the unit cell size varies from about 24.667 to about 24.524 Angstroms and a second more dealuminated ultrastable zeolite Y wherein the framework silica to alumina molar ratio varies from about 8 to about 200 and the unit cell size varies from a but 24.524 to about 24.343 Angstroms, wherein the amount of the first zeolite Y varies from about 40 to about 80 wt. % based on the total amount of the crystalline molecular sieve component.

  15. Direct Kinetic Measurements of a Criegee Intermediate

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

    Direct Kinetic Measurements of a Criegee Intermediate Direct Kinetic Measurements of a Criegee Intermediate Print Wednesday, 25 January 2012 00:00 In the earth's troposphere, which...

  16. Directional Drilling Systems | Open Energy Information

    Open Energy Info (EERE)

    Directional Drilling Systems Jump to: navigation, search Geothermal ARRA Funded Projects for Directional Drilling Systems Loading map... "format":"googlemaps3","type":"ROADMAP","t...

  17. Investigation of Direct Injection Vehicle Particulate Matter...

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

    Direct Injection Vehicle Particulate Matter Emissions Investigation of Direct Injection Vehicle Particulate Matter Emissions This study focuses primarily on particulate matter mass...

  18. Direct numerical simulation of turbulent reacting flows

    SciTech Connect (OSTI)

    Chen, J.H. [Sandia National Laboratories, Livermore, CA (United States)

    1993-12-01

    The development of turbulent combustion models that reflect some of the most important characteristics of turbulent reacting flows requires knowledge about the behavior of key quantities in well defined combustion regimes. In turbulent flames, the coupling between the turbulence and the chemistry is so strong in certain regimes that is is very difficult to isolate the role played by one individual phenomenon. Direct numerical simulation (DNS) is an extremely useful tool to study in detail the turbulence-chemistry interactions in certain well defined regimes. Globally, non-premixed flames are controlled by two limiting cases: the fast chemistry limit, where the turbulent fluctuations. In between these two limits, finite-rate chemical effects are important and the turbulence interacts strongly with the chemical processes. This regime is important because industrial burners operate in regimes in which, locally the flame undergoes extinction, or is at least in some nonequilibrium condition. Furthermore, these nonequilibrium conditions strongly influence the production of pollutants. To quantify the finite-rate chemistry effect, direct numerical simulations are performed to study the interaction between an initially laminar non-premixed flame and a three-dimensional field of homogeneous isotropic decaying turbulence. Emphasis is placed on the dynamics of extinction and on transient effects on the fine scale mixing process. Differential molecular diffusion among species is also examined with this approach, both for nonreacting and reacting situations. To address the problem of large-scale mixing and to examine the effects of mean shear, efforts are underway to perform large eddy simulations of round three-dimensional jets.

  19. Kinetic Modeling of Microbiological Processes

    SciTech Connect (OSTI)

    Liu, Chongxuan; Fang, Yilin

    2012-09-17

    Kinetic description of microbiological processes is vital for the design and control of microbe-based biotechnologies such as waste water treatment, petroleum oil recovery, and contaminant attenuation and remediation. Various models have been proposed to describe microbiological processes. This editorial article discusses the advantages and limiation of these modeling approaches in cluding tranditional, Monod-type models and derivatives, and recently developed constraint-based approaches. The article also offers the future direction of modeling researches that best suit for petroleum and environmental biotechnologies.

  20. Wellbore inertial directional surveying system

    DOE Patents [OSTI]

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

    1982-09-08

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

  1. Wellbore inertial directional surveying system

    DOE Patents [OSTI]

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

    1991-01-01

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

  2. Hydrocracking process using zeolite beta

    SciTech Connect (OSTI)

    Angevine, P.J.; Mitchell, K.M.; Oleck, S.M.; Shih, S.S.

    1986-09-16

    A process is described for the hydrocracking and dewaxing of a petroleum fraction comprising waxy components boiling above 345/sup 0/C., which comprises passing the fraction over a hydrocracking catalyst comprising zeolite beta and a matrix material in the presence of hydrogen and under hydrocracking conditions, the proportion of zeolite beta in the hydrocracking catalyst increasing in the direction in which the fraction is passed.

  3. Directives Up for Review FY 2016 - DOE Directives, Delegations, and

    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 HAB PacketDiesel prices continueDileepDirectionsRequirements

  4. The Environment and Directed Technical Change

    E-Print Network [OSTI]

    Acemoglu, Daron

    This paper introduces endogenous and directed technical change in a growth model with environmental

  5. INERT-MATRIX FUEL: ACTINIDE ''BURINGIN'' AND DIRECT DISPOSAL

    SciTech Connect (OSTI)

    Rodney C. Ewing; Lumin Wang

    2002-10-30

    Excess actinides result from the dismantlement of nuclear weapons (Pu) and the reprocessing of commercial spent nuclear fuel (mainly 241 Am, 244 Cm and 237 Np). In Europe, Canada and Japan studies have determined much improved efficiencies for burnup of actinides using inert-matrix fuels. This innovative approach also considers the properties of the inert-matrix fuel as a nuclear waste form for direct disposal after one-cycle of burn-up. Direct disposal can considerably reduce cost, processing requirements, and radiation exposure to workers.

  6. Differential Wiener process

    E-Print Network [OSTI]

    Penny, Will

    Stochastic Processes Will Penny Stochastic Differential Equations Wiener process Sample Paths OU rates References Stochastic Processes Will Penny 19th May 2011 #12;Stochastic Processes Will Penny on Hierarchical Dynamic Models #12;Stochastic Processes Will Penny Stochastic Differential Equations Wiener

  7. Advanced progress concepts for direct coal liquefaction

    SciTech Connect (OSTI)

    Anderson, R.; Derbyshire, F.; Givens, E.

    1995-09-01

    Given the low cost of petroleum crude, direct coal liquefaction is still not an economically viable process. The DOE objectives are to further reduce the cost of coal liquefaction to a more competitive level. In this project the primary focus is on the use of low-rank coal feedstocks. A particular strength is the use of process-derived liquids rather than model compound solvents. The original concepts are illustrated in Figure 1, where they are shown on a schematic of the Wilsonville pilot plant operation. Wilsonville operating data have been used to define a base case scenario using run {number_sign}263J, and Wilsonville process materials have been used in experimental work. The CAER has investigated: low severity CO pretreatment of coal for oxygen rejection, increasing coal reactivity and mg inhibiting the propensity for regressive reactions; the application of more active. Low-cost Fe and Mo dispersed catalysts; and the possible use of fluid coking for solids rejection and to generate an overhead product for recycle. CONSOL has investigated: oil agglomeration for coal ash rejection, for the possible rejection of ash in the recycled resid, and for catalyst addition and recovery; and distillate dewaxing to remove naphthenes and paraffins, and to generate an improved quality feed for recycle distillate hydrogenation. At Sandia, research has been concerned with the production of active hydrogen donor distillate solvent fractions produced by the hydrogenation of dewaxed distillates and by fluid coking via low severity reaction with H{sub 2}/CO/H{sub 2}O mixtures using hydrous metal oxide and other catalysts.

  8. Direct measure of quantum correlation

    SciTech Connect (OSTI)

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

    2011-12-15

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

  9. Direct application of geothermal energy

    SciTech Connect (OSTI)

    Reistad, G.M.

    1980-01-01

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

  10. DOE Directives, Delegations, and Requirements

    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 HAB Packet Hanford AdvisoryEnergy LessonsDIRECTIVES,DOE

  11. DOE Directives, Delegations, and Requirements

    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 HAB Packet Hanford AdvisoryEnergy LessonsDIRECTIVES,DOEJim McDonald

  12. DOE Directives, Delegations, and Requirements

    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 HAB Packet Hanford AdvisoryEnergy LessonsDIRECTIVES,DOEJim

  13. DOE Directives, Delegations, and Requirements

    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 HAB Packet Hanford AdvisoryEnergy LessonsDIRECTIVES,DOEJimPatricia

  14. DOE Directives, Delegations, and Requirements

    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 HAB Packet Hanford AdvisoryEnergy LessonsDIRECTIVES,DOEJimPatriciaLost

  15. Sandia Energy - Direct Numerical Simulation

    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 RoomPreservation of Fe(II) byMultidayAlumniProjectsCyberNot Chemistry Diamond PlatesDirect

  16. Controlling the Morphology of Polymer and Fullerene Blends in Organic Photovoltaics Through Sequential Processing and Self-Assembly

    E-Print Network [OSTI]

    Aguirre, Jordan C.

    2015-01-01

    Polymer:Fullerene Organic Photovoltaics . . . . 12 DirectingProcessing for Organic Photovoltaics: Design Rules for Mor-Sequential Processed Organic Photovoltaics by Tailored Semi-

  17. Estimates of rates and errors for measurements of direct-. gamma. and direct-. gamma. + jet production by polarized protons at RHIC

    SciTech Connect (OSTI)

    Beddo, M.E.; Spinka, H.; Underwood, D.G.

    1992-08-14

    Studies of inclusive direct-{gamma} production by pp interactions at RHIC energies were performed. Rates and the associated uncertainties on spin-spin observables for this process were computed for the planned PHENIX and STAR detectors at energies between {radical}s = 50 and 500 GeV. Also, rates were computed for direct-{gamma} + jet production for the STAR detector. The goal was to study the gluon spin distribution functions with such measurements. Recommendations concerning the electromagnetic calorimeter design and the need for an endcap calorimeter for STAR are made.

  18. Direct Drive Wave Energy Buoy

    SciTech Connect (OSTI)

    Rhinefrank, Ken

    2011-11-02

    Presentation from the 2011 Water Peer Review in which principal investigator discusses project progress and results for this project which will be used to inform the utility-scale design process, improve cost estimates, accurately forecast energy production and to observe system operation and survivability.

  19. Staged direct injection diesel engine

    DOE Patents [OSTI]

    Baker, Quentin A. (San Antonio, TX)

    1985-01-01

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

  20. Radial lean direct injection burner

    DOE Patents [OSTI]

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

    2012-09-04

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

  1. 2 IEEE/ACM TRANSACTIONS ON NETWORKING, VOL. 11, NO. 1, FEBRUARY 2003 Directed Diffusion for Wireless Sensor Networking

    E-Print Network [OSTI]

    Scheuermann, Peter

    explore the directed-diffusion paradigm for such coordination. Directed diffusion is data-centric--Data aggregation, data-centric routing, dis- tributed sensing, in-network processing, wireless sensor networks. I- digm for such sensor networks. This paradigm, which we call directed diffusion,1 is data-centric. Data

  2. Directed evolution of a magnetic resonance imaging contrast agent for noninvasive imaging of dopamine

    E-Print Network [OSTI]

    Shapiro, Mikhail G.

    The development of molecular probes that allow in vivo imaging of neural signaling processes with high temporal and spatial resolution remains challenging. Here we applied directed evolution techniques to create magnetic ...

  3. Nanopatterned Protein Films Directed by Ionic Complexation with Water-Soluble Diblock Copolymers

    E-Print Network [OSTI]

    Kim, Bokyung

    The use of ionic interactions to direct both protein templating and block copolymer self-assembly into nanopatterned films with only aqueous processing conditions is demonstrated using block copolymers containing both ...

  4. Novel Direct Steelmaking by Combining Microwave, Electric Arc, and Exothermal Heating Technologies

    Broader source: Energy.gov [DOE]

    This factsheet describes a project to develop direct steelmaking through the combination of microwave, electric arc, and exothermal heating, a process which is meant to eliminate traditional, intermediate steelmaking steps.

  5. FITSL : a language for directed exploration and analysis of sequence data

    E-Print Network [OSTI]

    Mumpower, Eric J. P

    2007-01-01

    This thesis describes a sequence-data processing toolkit for analysis of Intelligent Tutoring System (ITS) log data, that unlike other tools allows directed exploration of sequence patterns. This system provides a powerful ...

  6. Casting a Polyhedron with Directional Uncertainty Hee-kap Ahn Otfried Cheong Rene van Oostrum

    E-Print Network [OSTI]

    Utrecht, Universiteit

    Casting a Polyhedron with Directional Uncertainty£ Hee-kap Ahn££ Otfried Cheong££ Ren´e van Oostrum££ Abstract Casting is a manufacturing process in which molten material is poured into a cast (mould), which with imperfect control of the casting machinery. In this paper, we consider directional uncertainty: given a 3

  7. APPLICATION OF MEMS TECHNOLOGY TO MICRO DIRECT METHANOL FUEL CELL Xiaowei Liu*

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    APPLICATION OF MEMS TECHNOLOGY TO MICRO DIRECT METHANOL FUEL CELL Xiaowei Liu* , Chunguang Suo, email: lxw@hit.edu.cn) ABSTRACT In view of micro fuel cells, the silicon processes are employed for microfabrication of the micro direct methanol fuel cell (DMFC). Using the MEMS technology we have successfully made

  8. Direct Acceleration of Electrons in a Corrugated Plasma Waveguide A. G. York* and H. M. Milchberg

    E-Print Network [OSTI]

    Milchberg, Howard

    Direct Acceleration of Electrons in a Corrugated Plasma Waveguide A. G. York* and H. M. Milchberg by diffraction, phase matching, and material damage thresholds. A recently developed plasma micro-optic [B. Layer. Unlike wakefield acceleration, direct laser accelera- tion is a linear process with no threshold

  9. Vitrification of NAC process residue

    SciTech Connect (OSTI)

    Merrill, R.A.; Whittington, K.F.; Peters, R.D. [Pacific Northwest Lab., Richland, WA (United States)

    1995-12-31

    Vitrification tests have been performed with simulated waste compositions formulated to represent the residue which would be obtained from the treatment of low-level, nitrate wastes from Hanford and Oak Ridge by the nitrate to ammonia and ceramic (NAC) process. The tests were designed to demonstrate the feasibility of vitrifying NAC residue and to quantify the impact of the NAC process on the volume of vitrified waste. The residue from NAC treatment of low-level nitrate wastes consists primarily of oxides of aluminum and sodium. High alumina glasses were formulated to maximize the waste loading of the NAC product. Transparent glasses with up to 35 wt% alumina, and even higher contents in opaque glasses, were obtained at melting temperatures of 1,200 C to 1,400 C. A modified TCLP leach test showed the high alumina glasses to have good chemical durability, leaching significantly less than either the ARM-1 or the DWPF-EA high-level waste reference glasses. A significant increase in the final waste volume would be a major result of the NAC process on LLW vitrification. For Hanford wastes, NAC-treatment of nitrate wastes followed by vitrification of the residue will increase the final volume of vitrified waste by 50% to 90%; for Melton Valley waste from Oak Ridge, the increase in final glass volume will be 260% to 280%. The increase in volume is relative to direct vitrification of the waste in a 20 wt% Na{sub 2}O glass formulation. The increase in waste volume directly affects not only disposal costs, but also operating and/or capital costs. Larger plant size, longer operating time, and additional energy and additive costs are direct results of increases in waste volume. Such increases may be balanced by beneficial impacts on the vitrification process; however, those effects are outside the scope of this report.

  10. Vitrification of NAC process residue

    SciTech Connect (OSTI)

    Merrill, R.A.; Whittington, K.F.; Peters, R.D.

    1995-09-01

    Vitrification tests have been performed with simulated waste compositions formulated to represent the residue which would be obtained from the treatment of low-level, nitrate wastes from Hanford and Oak Ridge by the nitrate to ammonia and ceramic (NAC) process. The tests were designed to demonstrate the feasibility of vitrifying NAC residue and to quantify the impact of the NAC process on the volume of vitrified waste. The residue from NAC treatment of low-level nitrate wastes consists primarily of oxides of aluminum and sodium. High alumina glasses were formulated to maximize the waste loading of the NAC product. Transparent glasses with up to 35 wt% alumina, and even higher contents in opaque glasses, were obtained at melting temperatures of 1200{degrees}C to 1400{degrees}C. A modified TCLP leach test showed the high alumina glasses to have good chemical durability, leaching significantly less than either the ARM-1 or the DWPF-EA high-level waste reference glasses. A significant increase in the final waste volume would be a major result of the NAC process on LLW vitrification. For Hanford wastes, NAC-treatment of nitrate wastes followed by vitrification of the residue will increase the final volume of vitrified waste by 50% to 90%; for Melton Valley waste from Oak Ridge, the increase in final glass volume will be 260% to 280%. The increase in volume is relative to direct vitrification of the waste in a 20 wt% Na{sub 2}O glass formulation. The increase in waste volume directly affects not only disposal costs, but also operating and/or capital costs. Larger plant size, longer operating time, and additional energy and additive costs are direct results of increases in waste volume. Such increases may be balanced by beneficial impacts on the vitrification process; however, those effects are outside the scope of this report.

  11. Direct laser initiation of PETN

    SciTech Connect (OSTI)

    Early, J. W. (James W.); Kennedy, J. E. (James E.)

    2001-01-01

    In the early 1970s Yang and Menichelli demonstrated that direct laser illumination of low-density secondary explosive prr:ssings through a transparent window could produce detonation. 'The energy requirement for threshold initiation of detonation was reduced when a thin metal coating of metal covered the side of the window against which the low-density explosive was pressed. We have obtained experimental results that are in general agreement with the results of Renllund, Stanton and Trott (1 989) and recent: work by Nagayama, hou and Nakahara (2001). We report exploration of the effects of laser beam diameter, PEiTN density and specific surface area, and thickness of a titanium coating on the window.

  12. Method for directional hydraulic fracturing

    DOE Patents [OSTI]

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

    1994-01-01

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

  13. Laboratory directed research and development

    SciTech Connect (OSTI)

    Not Available

    1991-11-15

    The purposes of Argonne's Laboratory Directed Research and Development (LDRD) Program are to encourage the development of novel concepts, enhance the Laboratory's R D capabilities, and further the development of its strategic initiatives. Among the aims of the projects supported by the Program are establishment of engineering proof-of-principle''; development of an instrumental prototype, method, or system; or discovery in fundamental science. Several of these project are closely associated with major strategic thrusts of the Laboratory as described in Argonne's Five Year Institutional Plan, although the scientific implications of the achieved results extend well beyond Laboratory plans and objectives. The projects supported by the Program are distributed across the major programmatic areas at Argonne. Areas of emphasis are (1) advanced accelerator and detector technology, (2) x-ray techniques in biological and physical sciences, (3) advanced reactor technology, (4) materials science, computational science, biological sciences and environmental sciences. Individual reports summarizing the purpose, approach, and results of projects are presented.

  14. Technical Standards,DOE Standards and Corresponding Directives...

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

    Directives Crosswalk DOE Standards and Corresponding Directives Crosswalk table Technical Standards,DOE Standards and Corresponding Directives Crosswalk More Documents &...

  15. Extensible packet processing architecture

    DOE Patents [OSTI]

    Robertson, Perry J.; Hamlet, Jason R.; Pierson, Lyndon G.; Olsberg, Ronald R.; Chun, Guy D.

    2013-08-20

    A technique for distributed packet processing includes sequentially passing packets associated with packet flows between a plurality of processing engines along a flow through data bus linking the plurality of processing engines in series. At least one packet within a given packet flow is marked by a given processing engine to signify by the given processing engine to the other processing engines that the given processing engine has claimed the given packet flow for processing. A processing function is applied to each of the packet flows within the processing engines and the processed packets are output on a time-shared, arbitered data bus coupled to the plurality of processing engines.

  16. Direct Characterization of Quantum Dynamics with Noisy Ancilla

    E-Print Network [OSTI]

    Eugene Dumitrescu; Travis S. Humble

    2015-08-12

    We present methods for the direct characterization of quantum dynamics (DCQD) in which both the principal and ancilla systems undergo noisy processes. Using a concatenated error detection code, we discriminate between located and unlocated errors on the principal system in what amounts to filtering of ancilla noise. The example of composite noise involving amplitude damping and depolarizing channels is used to demonstrate the method, while we find the rate of noise filtering is more generally dependent on code distance. Our results indicate the accuracy of quantum process characterization can be greatly improved while remaining within reach of current experimental capabilities.

  17. Plain Language Disclosure for Direct Subsidized Loans and Direct Unsubsidized Loans William D. Ford Federal Direct Loan Program

    E-Print Network [OSTI]

    Royer, Dana

    Plain Language Disclosure for Direct Subsidized Loans and Direct Unsubsidized Loans William D. Ford Subsidized Loan and/or Direct Unsubsidized Loan to help cover the costs of your education. This Plain to separate loans made under the MPN depending on whether the loan is subsidized or unsubsidized, when

  18. Direct containment heating: Surtsey test results and models

    SciTech Connect (OSTI)

    Tarbell, W.W.; Nichols, R.T.; Pilch, M.; Brockmann, J.E.; Powers, D.A.

    1988-08-01

    Direct containment heating is one of the processes that can lead to containment rupture early in a severe reactor accident. The origins and the current understanding of this process are surveyed. Three issues arise in connection with direct containment heating -- threats to containment integrity posed by transfer of energy to the containment atmosphere from dispersed core debris or the generation of hydrogen by reactions of core debris with steam, and the formation of radioactive aerosols available for release from the plant should containment integrity be lost. The two threats to containment integrity have different characteristics. Energy exchange between core debris and the atmosphere depends on the long range dispersal of the debris and the atmosphere depends on the long range dispersal of the debris and can be affected by interactions of the debris with structures and co-dispersed water. Hydrogen generation is dependent on the detailed flows of debris and steam within and near the reactor cavity. Results of four experiments in the Surtsey test facility to explore energy exchange with the atmosphere are presented. These experiments suggest ''single particle'' models of direct heating over-predict the threat to containment integrity and that debris/structure interactions can enhance heating of the containment atmosphere. Results of test to establish the low pressure cut-off to direct heating are reported. 23 refs., 2 figs., 1 tab.

  19. Hydrocarbon Processing`s process design and optimization `96

    SciTech Connect (OSTI)

    NONE

    1996-06-01

    This paper compiles information on hydrocarbon processes, describing the application, objective, economics, commercial installations, and licensor. Processes include: alkylation, ammonia, catalytic reformer, crude fractionator, crude unit, vacuum unit, dehydration, delayed coker, distillation, ethylene furnace, FCCU, polymerization, gas sweetening, hydrocracking, hydrogen, hydrotreating (naphtha, distillate, and resid desulfurization), natural gas processing, olefins, polyethylene terephthalate, refinery, styrene, sulfur recovery, and VCM furnace.

  20. Physical limits on cellular directional mechanosensing

    E-Print Network [OSTI]

    Bouffanais, Roland

    Many eukaryotic cells are able to perform directional mechanosensing by directly measuring minute spatial differences in the mechanical stress on their membranes. Here, we explore the limits of a single mechanosensitive ...

  1. BIOMEDICAL MATHEMATICS: Promising Directions in Imaging,

    E-Print Network [OSTI]

    Censor, Yair

    BIOMEDICAL MATHEMATICS: Promising Directions in Imaging, Therapy Planning, and Inverse Problems #12;BIOMEDICAL MATHEMATICS: Promising Directions in Imaging, Therapy Planning, and Inverse Problems Yair Censor, Ming Jiang, Ge Wang Editors The Huangguoshu International Interdisciplinary Conference on Biomedical

  2. Strategic Directions for Hydrogen Delivery Workshop Proceedings

    Broader source: Energy.gov [DOE]

    Proceedings from the Strategic Directions for Hydrogen Delivery Workshop held May 7-8, 2003 in Washington, DC. Author: Energetics

  3. Directional detection of galactic dark matter

    E-Print Network [OSTI]

    Mayet, F; Santos, D

    2012-01-01

    Directional detection is a promising Dark Matter search strategy. Taking advantage on the rotation of the Solar system around the galactic center through the Dark Matter halo, it allows to show a direction dependence of WIMP events that may be a powerful tool to identify genuine WIMP events as such. Directional detection strategy requires the simultaneous measurement of the energy and the 3D track of low energy recoils, which is a common challenge for all current projects of directional detectors.

  4. Extension of DOE Directives on Security

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

    2001-12-31

    This Notice extends 15 Office of Security and Emergency Operation directives that have expired or will expire until December 31, 2001. This Notice will remain in effect until its expiration date or until new/revised directives are published. The following statement will be added to the summary of the extended directives-DOE N 251.40, dated 5/3/01, extends this directive until 12/31/01.

  5. Theoretical prospects for directional WIMP detection

    E-Print Network [OSTI]

    O'Hare, Ciaran A J

    2015-01-01

    Direct detection of dark matter with directional sensitivity is a promising concept for improving the search for weakly interacting massive particles. With information on the direction of WIMP induced nuclear recoils one has access to the full 3-dimensional velocity distribution of the local dark matter halo and thus a potential avenue for studying WIMP astrophysics. Furthermore the unique angular signature of the WIMP recoil distribution provides a crucial discriminant from neutrinos which currently represent the ultimate background to direct detection experiments.

  6. Theoretical prospects for directional WIMP detection

    E-Print Network [OSTI]

    Ciaran A. J. O'Hare

    2015-10-14

    Direct detection of dark matter with directional sensitivity is a promising concept for improving the search for weakly interacting massive particles. With information on the direction of WIMP induced nuclear recoils one has access to the full 3-dimensional velocity distribution of the local dark matter halo and thus a potential avenue for studying WIMP astrophysics. Furthermore the unique angular signature of the WIMP recoil distribution provides a crucial discriminant from neutrinos which currently represent the ultimate background to direct detection experiments.

  7. Hydrothermal industrialization: direct heat development. Final report

    SciTech Connect (OSTI)

    Not Available

    1982-05-01

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

  8. Project Profile: Direct Supercritical Carbon Dioxide Receiver...

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

    Receiver Development Project Profile: Direct Supercritical Carbon Dioxide Receiver Development National Renewable Energy Laboratory logo The National Renewable Energy...

  9. Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine...

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

    Vehicle Technologies Office Merit Review 2015: Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine Development Vehicle Technologies Office Merit Review 2014:...

  10. Assessing Stability for Adaptive Filtering Algorithms in Signal Processing

    E-Print Network [OSTI]

    Le Borne, Richard C.

    1 Assessing Stability for Adaptive Filtering Algorithms in Signal Processing Richard C. Le Borne1 the 1940's. However, the struc- ture of algorithms in signal processing prevent the direct application techniques for signal processing al- gorithms that are currently in the literature. In addition, to provide

  11. Air breathing direct methanol fuel cell

    DOE Patents [OSTI]

    Ren, Xiaoming (Los Alamos, NM)

    2002-01-01

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

  12. Micro Fuel Cells Direct Methanol Fuel Cells

    E-Print Network [OSTI]

    Micro Fuel Cells TM Direct Methanol Fuel Cells for Portable Power A Fuel Cell System Developer-17, 2002 Phoenix, Arizona #12;Micro Fuel Cells Direct Methanol Fuel Cells for Portable Power Outline (1 Energy Content (Wh) Volume(cm^3) Li-Ion Battery DMFC #12;Direct Methanol Fuel Cell Technology

  13. Microbial fuel cell treatment of fuel process wastewater

    SciTech Connect (OSTI)

    Borole, Abhijeet P; Tsouris, Constantino

    2013-12-03

    The present invention is directed to a method for cleansing fuel processing effluent containing carbonaceous compounds and inorganic salts, the method comprising contacting the fuel processing effluent with an anode of a microbial fuel ell, the anode containing microbes thereon which oxidatively degrade one or more of the carbonaceous compounds while producing electrical energy from the oxidative degradation, and directing the produced electrical energy to drive an electrosorption mechanism that operates to reduce the concentration of one or more inorganic salts in the fuel processing effluent, wherein the anode is in electrical communication with a cathode of the microbial fuel cell. The invention is also directed to an apparatus for practicing the method.

  14. Determining orientation and direction of DNA sequences

    DOE Patents [OSTI]

    Goodwin, Edwin H. (Los Alamos, NM); Meyne, Julianne (Los Alamos, NM)

    2000-01-01

    Determining orientation and direction of DNA sequences. A method by which fluorescence in situ hybridization can be made strand specific is described. Cell cultures are grown in a medium containing a halogenated nucleotide. The analog is partially incorporated in one DNA strand of each chromatid. This substitution takes place in opposite strands of the two sister chromatids. After staining with the fluorescent DNA-binding dye Hoechst 33258, cells are exposed to long-wavelength ultraviolet light which results in numerous strand nicks. These nicks enable the substituted strand to be denatured and solubilized by heat, treatment with high or low pH aqueous solutions, or by immersing the strands in 2.times.SSC (0.3M NaCl+0.03M sodium citrate), to name three procedures. It is unnecessary to enzymatically digest the strands using Exo III or another exonuclease in order to excise and solubilize nucleotides starting at the sites of the nicks. The denaturing/solubilizing process removes most of the substituted strand while leaving the prereplication strand largely intact. Hybridization of a single-stranded probe of a tandem repeat arranged in a head-to-tail orientation will result in hybridization only to the chromatid with the complementary strand present.

  15. Direct cementitious waste option study report

    SciTech Connect (OSTI)

    Dafoe, R.E.; Losinski, S.J.

    1998-02-01

    A settlement agreement between the Department of Energy (DOE) and the State of Idaho mandates that all high-level radioactive waste (HLW) now stored at the Idaho Chemical Processing Plant (ICPP) will be treated so that it is ready to be moved out of Idaho for disposal by a target data of 2035. This study investigates the direct grouting of all ICPP calcine (including the HLW dry calcine and those resulting from calcining sodium-bearing liquid waste currently residing in the ICPP storage tanks) as the treatment method to comply with the settlement agreement. This method involves grouting the calcined waste and casting the resulting hydroceramic grout into stainless steel canisters. These canisters will be stored at the Idaho National Engineering and Environmental Laboratory (INEEL) until they are sent to a national geologic repository. The operating period for grouting treatment will be from 2013 through 2032, and all the HLW will be treated and in interim storage by the end of 2032.

  16. Status and Directions in Electroseparations

    SciTech Connect (OSTI)

    Tsouris, Costas

    1997-12-31

    In this presentation, a summary of research conducted in the area of electroseparations at the Chemical Technology Division of Oak Ridge National Laboratory is presented. Fields-driven processes, including (1) phase equilibria modification by electric fields and (2) magnetically seeded separations, as well as transport-enhancement processes by electric fields,including (1) surface area generation and (2) electroconvection, are discussed.It is shown that electric fields can change the concentration of the vapor phase during the distillation of a binary mixture, which may have applications in separations by distillation that consume significant amounts of energy. It is also shown that addition of colloidal seed particles of high magnetic susceptibility to a suspension of non-magnetic particles and subsequent flocculation between seed and non-magnetic particles form paramagnetic flocs that can be removed by high- gradient magnetic filtration. Inverse electrostatic spraying, which is the spraying of a non-conductive fluid (such as air) into a conductive fluid (such as water), is introduced and compared with normal electrostatic spraying, which is the spraying of conductive fluid into a non-conductive fluid. Applications of normal electrostatic spraying, including the development of a bioreactor for oil desulfurization, and inverse electrostatic spraying, including ozonation of an aqueous system, are discussed. It is also shown that electroconvection, caused by electric fields,may result in simultaneous pumping, spraying, and mixing of fluids. In summary,new phenomena caused by electric fields are introduced and their potential applications in electroseparations are discussed.

  17. Low backlash direct drive actuator

    DOE Patents [OSTI]

    Kuklo, T.C.

    1994-10-25

    A low backlash direct drive actuator is described which comprises a motor such as a stepper motor having at least 200 steps per revolution; a two part hub assembly comprising a drive hub coaxially attached to the shaft of the motor and having a plurality of drive pins; a driven hub having a plurality of bores in one end thereof in alignment with the drive pins in the drive hub and a threaded shaft coaxially mounted in an opposite end of the driven hub; and a housing having a central bore therein into which are fitted the drive hub and driven hub, the housing having a motor mount on one end thereof to which is mounted the stepper motor, and a closed end portion with a threaded opening therein coaxial with the central bore in the housing and receiving therein the threaded shaft attached to the driven hub. Limit switches mounted to the housing cooperate with an enlarged lip on the driven hub to limit the lateral travel of the driven hub in the housing, which also acts to limit the lateral travel of the threaded shaft which functions as a lead screw. 10 figs.

  18. Direct detector for terahertz radiation

    DOE Patents [OSTI]

    Wanke, Michael C. (Albuquerque, NM); Lee, Mark (Albuquerque, NM); Shaner, Eric A. (Albuquerque, NM); Allen, S. James (Santa Barbara, CA)

    2008-09-02

    A direct detector for terahertz radiation comprises a grating-gated field-effect transistor with one or more quantum wells that provide a two-dimensional electron gas in the channel region. The grating gate can be a split-grating gate having at least one finger that can be individually biased. Biasing an individual finger of the split-grating gate to near pinch-off greatly increases the detector's resonant response magnitude over prior QW FET detectors while maintaining frequency selectivity. The split-grating-gated QW FET shows a tunable resonant plasmon response to FIR radiation that makes possible an electrically sweepable spectrometer-on-a-chip with no moving mechanical optical parts. Further, the narrow spectral response and signal-to-noise are adequate for use of the split-grating-gated QW FET in a passive, multispectral terahertz imaging system. The detector can be operated in a photoconductive or a photovoltaic mode. Other embodiments include uniform front and back gates to independently vary the carrier densities in the channel region, a thinned substrate to increase bolometric responsivity, and a resistive shunt to connect the fingers of the grating gate in parallel and provide a uniform gate-channel voltage along the length of the channel to increase the responsivity and improve the spectral resolution.

  19. Surveillance of industrial processes with correlated parameters

    DOE Patents [OSTI]

    White, A.M.; Gross, K.C.; Kubic, W.L.; Wigeland, R.A.

    1996-12-17

    A system and method for surveillance of an industrial process are disclosed. The system and method includes a plurality of sensors monitoring industrial process parameters, devices to convert the sensed data to computer compatible information and a computer which executes computer software directed to analyzing the sensor data to discern statistically reliable alarm conditions. The computer software is executed to remove serial correlation information and then calculate Mahalanobis distribution data to carry out a probability ratio test to determine alarm conditions. 10 figs.

  20. Surveillance of industrial processes with correlated parameters

    DOE Patents [OSTI]

    White, Andrew M. (Skokie, IL); Gross, Kenny C. (Bolingbrook, IL); Kubic, William L. (Sante Fe, NM); Wigeland, Roald A. (Olympia Fields, IL)

    1996-01-01

    A system and method for surveillance of an industrial process. The system and method includes a plurality of sensors monitoring industrial process parameters, devices to convert the sensed data to computer compatible information and a computer which executes computer software directed to analyzing the sensor data to discern statistically reliable alarm conditions. The computer software is executed to remove serial correlation information and then calculate Mahalanobis distribution data to carry out a probability ratio test to determine alarm conditions.

  1. 1366 Direct Wafer: Demolishing the Cost Barrier for Silicon Photovoltaics

    SciTech Connect (OSTI)

    Lorenz, Adam

    2013-08-30

    The goal of 1366 Direct Wafer™ is to drastically reduce the cost of silicon-based PV by eliminating the cost barrier imposed by sawn wafers. The key characteristics of Direct Wafer are 1) kerf-free, 156-mm standard silicon wafers 2) high throughput for very low CAPEX and rapid scale up. Together, these characteristics will allow Direct Wafer™ to become the new standard for silicon PV wafers and will enable terawatt-scale PV – a prospect that may not be possible with sawn wafers. Our single, high-throughput step will replace the expensive and rate-limiting process steps of ingot casting and sawing, thereby enabling drastically lower wafer cost. This High-Impact PV Supply Chain project addressed the challenges of scaling Direct Wafer technology for cost-effective, high-throughput production of commercially viable 156 mm wafers. The Direct Wafer process is inherently simple and offers the potential for very low production cost, but to realize this, it is necessary to demonstrate production of wafers at high-throughput that meet customer specifications. At the start of the program, 1366 had demonstrated (with ARPA-E funding) increases in solar cell efficiency from 10% to 15.9% on small area (20cm2), scaling wafer size up to the industry standard 156mm, and demonstrated initial cell efficiency on larger wafers of 13.5%. During this program, the throughput of the Direct Wafer furnace was increased by more than 10X, simultaneous with quality improvements to meet early customer specifications. Dedicated equipment for laser trimming of wafers and measurement methods were developed to feedback key quality metrics to improve the process and equipment. Subsequent operations served both to determine key operating metrics affecting cost, as well as generating sample product that was used for developing downstream processing including texture and interaction with standard cell processing. Dramatic price drops for silicon wafers raised the bar significantly, but the developments made under this program have increased 1366 confidence that Direct Wafers can be produced for ~$0.10/W, still nearly 50% lower than current industry best practice. Wafer quality also steadily improved throughout the program, both in electrical performance and geometry. The improvements to electrical performance were achieved through a combination of optimized heat transfer during growth, reduction of metallic impurities to below 10 ppbw total metals, and lowering oxygen content to below 2e17 atoms/cc. Wafer average thickness has been reduced below 200µm with standard deviation less than 20µm. Measurement of spatially varying thickness shortly after wafer growth is being used to continually improve uniformity by adjusting thermal conditions. At the conclusion of the program, 1366 has developed strong relationships with four leading Tier1 cell manufactures and several have demonstrated 17% cell efficiency on Direct Wafer. Sample volumes were limited, with the largest trial consisting of 300 Direct Wafers, and there remains strong pull for larger quantities necessary for qualification before sales contracts can be signed. This will be the focus of our pilot manufacturing scale up in 2014.

  2. Local community extraction in directed networks

    E-Print Network [OSTI]

    Ning, Xuemei; Zhang, Shihua

    2015-01-01

    Network is a simple but powerful representation of real-world complex systems. Network community analysis has become an invaluable tool to explore and reveal the internal organization of nodes. However, only a few methods were directly designed for community-detection in directed networks. In this article, we introduce the concept of local community structure in directed networks and provide a generic criterion to describe a local community with two properties. We further propose a stochastic optimization algorithm to rapidly detect a local community, which allows for uncovering the directional modular characteristics in directed networks. Numerical results show that the proposed method can resolve detailed local communities with directional information and provide more structural characteristics of directed networks than previous methods.

  3. Coal liquefaction process with enhanced process solvent

    DOE Patents [OSTI]

    Givens, Edwin N. (Bethlehem, PA); Kang, Dohee (Macungie, PA)

    1984-01-01

    In an improved coal liquefaction process, including a critical solvent deashing stage, high value product recovery is improved and enhanced process-derived solvent is provided by recycling second separator underflow in the critical solvent deashing stage to the coal slurry mix, for inclusion in the process solvent pool.

  4. Direct seismic energy modeling and application to the 1979 Imperial Valley earthquake

    E-Print Network [OSTI]

    Archuleta, Ralph

    ]. The second is the seismic energy that relates to the dynamics of the rupture process. However, seismic energy]. This limits our general knowledge on the mechanical process of the rupture: no reliable catalog of seismicDirect seismic energy modeling and application to the 1979 Imperial Valley earthquake Pascal

  5. Use of the Necessary and Sufficient Process

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

    1996-01-25

    Authorizes use of the Necessary and Sufficient Process which addresses how the Department will select its standards to protect workers, the public, and the environment and form the basis for the Department's move to integrating standards activities into a consistent, coordinated system of standards-based safety management. Does not cancel other directives.

  6. Examples of Process Modifications that Reduce Waste 

    E-Print Network [OSTI]

    Nelson, K. E.

    1990-01-01

    , simply piping the hot stream directly into the suction of the storage tank pump as shown in Figure 9 may solve the problem ade quately. Make sure that the storage tank pump can handle hot material without cavitating. Hot Intermediate Process...

  7. Processing and thermal properties of molecularly oriented polymers

    E-Print Network [OSTI]

    Skow, Erik (Erik Dean)

    2007-01-01

    High molecular weight polymers that are linear in molecular construction can be oriented such that some of their physical properties in the oriented direction are enhanced. For over 50 years polymer orientation and processing ...

  8. Production of Biogas from Wastewaters of Food Processing Industries 

    E-Print Network [OSTI]

    Sax, R. I.; Holtz, M.; Pette, K. C.

    1980-01-01

    An Upflow Anaerobic Sludge Blanket Process used in converting biodegradable, soluble, organic pollutants in industrial wastewaters to a directly-burnable biogas composed mainly of methane has been developed, tested, and commercially applied...

  9. Directional detection of dark matter streams

    E-Print Network [OSTI]

    Ciaran A. J. O'Hare; Anne M. Green

    2014-11-11

    Directional detection of WIMPs, in which the energies and directions of the recoiling nuclei are measured, currently presents the only prospect for probing the local velocity distribution of Galactic dark matter. We investigate the extent to which future directional detectors would be capable of probing dark matter substructure in the form of streams. We analyse the signal expected from a Sagittarius-like stream and also explore the full parameter space of stream speed, direction, dispersion and density. Using a combination of non-parametric directional statistics, a profile likelihood ratio test and Bayesian parameter inference we find that within acceptable exposure times (O(10) kg yr for cross sections just below the current exclusion limits) future directional detectors will be sensitive to a wide range of stream velocities and densities. We also examine and discuss the importance of the energy window of the detector.

  10. When Can We Simplify Data Processing: An Algorithmic Answer

    E-Print Network [OSTI]

    Kreinovich, Vladik

    measure the amount of oil in a reservoir, it is not possible to directly measure the overall amount of oil in an oil field. In all such situations, when we cannot directly measure the values of the quantities the amount of oil in a given oil field. Data processing algorithms are often time-consuming. In many

  11. Femtosecond laser studies of ultrafast intramolecular processes

    SciTech Connect (OSTI)

    Hayden, C. [Sandia National Laboratories, Livermore, CA (United States)

    1993-12-01

    The goal of this research is to better understand the detailed mechanisms of chemical reactions by observing, directly in time, the dynamics of fundamental chemical processes. In this work femtosecond laser pulses are used to initiate chemical processes and follow the progress of these processes in time. The authors are currently studying ultrafast internal conversion and subsequent intramolecular relaxation in unsaturated hydrocarbons. In addition, the authors are developing nonlinear optical techniques to prepare and monitor the time evolution of specific vibrational motions in ground electronic state molecules.

  12. Bistatic SAR: Signal Processing and Image Formation.

    SciTech Connect (OSTI)

    Wahl, Daniel E.; Yocky, David A.

    2014-10-01

    This report describes the significant processing steps that were used to take the raw recorded digitized signals from the bistatic synthetic aperture RADAR (SAR) hardware built for the NCNS Bistatic SAR project to a final bistatic SAR image. In general, the process steps herein are applicable to bistatic SAR signals that include the direct-path signal and the reflected signal. The steps include preprocessing steps, data extraction to for a phase history, and finally, image format. Various plots and values will be shown at most steps to illustrate the processing for a bistatic COSMO SkyMed collection gathered on June 10, 2013 on Kirtland Air Force Base, New Mexico.

  13. Air breathing direct methanol fuel cell

    DOE Patents [OSTI]

    Ren, Xiaoming (Los Alamos, NM); Gottesfeld, Shimshon (Los Alamos, NM)

    2002-01-01

    An air breathing direct methanol fuel cell is provided with a membrane electrode assembly, a conductive anode assembly that is permeable to air and directly open to atmospheric air, and a conductive cathode assembly that is permeable to methanol and directly contacting a liquid methanol source. Water loss from the cell is minimized by making the conductive cathode assembly hydrophobic and the conductive anode assembly hydrophilic.

  14. Separation Processes, Second Edition

    E-Print Network [OSTI]

    King, C. Judson

    1980-01-01

    difference. 7-G2 The Solvay process, developed to economicused by permission. ) The Solvay process uses as feeds (1) arecovery tower in the Solvay process. Ou c c IT SL Feed 2 |

  15. A High-Temperature Fuel Cell to Provide On-Site Process Reducing...

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

    nitrogen gas often provides a reducing atmosphere for these processes. High-temperature fuel cells directly convert the chemical energy in its fuel to electricity, with water,...

  16. Laboratory Directed Research and Development Program FY98

    SciTech Connect (OSTI)

    Hansen, T.; Chartock, M.

    1999-02-05

    The Ernest Orlando Lawrence Berkeley National Laboratory (LBNL or Berkeley Lab) Laboratory Directed Research and Development Program FY 1998 report is compiled from annual reports submitted by principal investigators following the close of the fiscal year. This report describes the supported projects and summarizes their accomplishments. It constitutes a part of the Laboratory Directed Research and Development (LDRD) program planning and documentation process that includes an annual planning cycle, projection selection, implementation, and review. The LBNL LDRD program is a critical tool for directing the Laboratory's forefront scientific research capabilities toward vital, excellent, and emerging scientific challenges. The program provides the resources for LBNL scientists to make rapid and significant contributions to critical national science and technology problems. The LDRD program also advances LBNL's core competencies, foundations, and scientific capability, and permits exploration of exciting new opportunities. All projects are work in forefront areas of science and technology. Areas eligible for support include the following: Advanced study of hypotheses, concepts, or innovative approaches to scientific or technical problems; Experiments and analyses directed toward ''proof of principle'' or early determination of the utility of new scientific ideas, technical concepts, or devices; and Conception and preliminary technical analyses of experimental facilities or devices.

  17. Spin and Wind Directions: Identifying Entanglement in Nature and Cognition

    E-Print Network [OSTI]

    Diederik Aerts; Sandro Sozzo

    2015-07-31

    We performed a cognitive experiment in which we asked the participants to pick a pair of directions they considered as the 'preferred good example of two different wind directions'. The results of the experiment reveal that the 'Clauser Horne Shimony Holt' (CHSH) form of Bell inequalities is violated. The violation is significant and, amazingly enough, numerically almost equal to the violation of the CHSH inequality in coincidence spin measurements on a compound system of two quantum particles in an entangled spin state. Hence, it seems as if the human mind selects probabilistically on wind directions and their difference in the same way as Stern-Gerlach apparata select probabilistically on spin directions and their difference. As in the quantum case, our violation reveals that entanglement systematically occurs in human cognition, and that non-classical probabilistic structures of a quantum type are needed in the modeling of cognitive processes. We support this result by presenting a quantum theoretical model in Hilbert space, which exactly reproduces the collected data and further illustrates the analogies between quantum and cognitive entities.

  18. Laboratory directed research and development program, FY 1996

    SciTech Connect (OSTI)

    NONE

    1997-02-01

    The Ernest Orlando Lawrence Berkeley National Laboratory (Berkeley Lab) Laboratory Directed Research and Development Program FY 1996 report is compiled from annual reports submitted by principal investigators following the close of the fiscal year. This report describes the projects supported and summarizes their accomplishments. It constitutes a part of the Laboratory Directed Research and Development (LDRD) program planning and documentation process that includes an annual planning cycle, projection selection, implementation, and review. The Berkeley Lab LDRD program is a critical tool for directing the Laboratory`s forefront scientific research capabilities toward vital, excellent, and emerging scientific challenges. The program provides the resources for Berkeley Lab scientists to make rapid and significant contributions to critical national science and technology problems. The LDRD program also advances the Laboratory`s core competencies, foundations, and scientific capability, and permits exploration of exciting new opportunities. Areas eligible for support include: (1) Work in forefront areas of science and technology that enrich Laboratory research and development capability; (2) Advanced study of new hypotheses, new experiments, and innovative approaches to develop new concepts or knowledge; (3) Experiments directed toward proof of principle for initial hypothesis testing or verification; and (4) Conception and preliminary technical analysis to explore possible instrumentation, experimental facilities, or new devices.

  19. Spin and Wind Directions: Identifying Entanglement in Nature and Cognition

    E-Print Network [OSTI]

    Diederik Aerts; Sandro Sozzo

    2015-08-20

    We performed a cognitive experiment in which we asked the participants to pick a pair of directions they considered as the 'preferred good example of two different wind directions'. The results of the experiment reveal that the 'Clauser Horne Shimony Holt' (CHSH) form of Bell inequalities is violated. The violation is significant and numerically almost equal to the violation of the CHSH inequality predicted by quantum theory and observed in coincidence spin measurements on pairs of quantum particles in an entangled spin state. Analysing the experiment there are more similarities, as if the human mind selects probabilistically on wind directions and their difference in the same way as Stern-Gerlach apparatuses select probabilistically on spin directions and their difference. As in the quantum violation, our violation indicates that entanglement systematically occurs in human cognition, and that accordingly non-classical probabilistic structures of a quantum type are needed in the modeling of cognitive processes. We support this result by presenting a quantum theoretical model in Hilbert space, which exactly reproduces the collected data and enlightens the deep analogies existing between quantum and cognitive entities.

  20. Direct Kinetic Measurements of a Criegee Intermediate

    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 BondingMeetingDifferences BetweenDiracDirectDirectDirectDirect

  1. Direct Kinetic Measurements of a Criegee Intermediate

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

    quantities. Because Criegee intermediates have long been thought to play a key role in atmospheric chemistry, the announcement of a method to directly measure their reactivity...

  2. Direct Kinetic Measurements of a Criegee Intermediate

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

    Direct Kinetic Measurements of a Criegee Intermediate Print In the earth's troposphere, which blankets the planet surface where we live and breathe, dust particles, gas molecules,...

  3. Geothermal Direct Use Technology and the Marketplace

    Broader source: Energy.gov [DOE]

    Geothermal energy applications are emerging across a much wider spectrum of cascaded uses, from lower temperature geothermal energy production to direct heating and cooling, to agricultural uses.

  4. Direct-Cooled Power Electronic Substrate

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

    70C standalone cooling loop * Three dimensional inverter packaging and eliminating the heat exchanger volume by directly cooling the DBC result in compact, light weight design...

  5. Optically Directed Assembly of Continuous Mesoscale Filaments...

    Office of Scientific and Technical Information (OSTI)

    Optically Directed Assembly of Continuous Mesoscale Filaments Bahns, J. T.; Sankaranarayanan, S. K. R. S.; Gray, S. K.; Chen, L. Not Available American Physical Society None USDOE...

  6. Ionization based multi-directional flow sensor

    DOE Patents [OSTI]

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

    2009-04-28

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

  7. Future Directions in Spatial Demography, Final Report

    E-Print Network [OSTI]

    Matthews, Stephen A.; Janelle, Donald G.; Goodchild, Michael F.

    2012-01-01

    the meeting’s final reception. Future Directions in SpatialH. (2007) Five Minds for the Future. Cambridge, MA: Harvardhorizons, envisioning the future. Social Science and

  8. High Temperature 300°C Directional Drilling System

    Broader source: Energy.gov [DOE]

    Project objective: provide a directional drilling system that can be used at environmental temperatures of up to 300°C; and at depths of 10; 000 meters.

  9. One Direction: Researchers grow nanocircuitry with semiconducting...

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

    partners@anl.gov. One Direction: Researchers grow nanocircuitry with semiconducting graphene nanoribbons By Justin H.S. Breaux * October 13, 2015 Tweet EmailPrint In a...

  10. NOx Sensor for Direct Injection Emission Control

    SciTech Connect (OSTI)

    Betteridge, William J

    2006-02-28

    The Electricore/Delphi team continues to leverage the electrochemical planar sensor technology that has produced stoichiometric planar and wide range oxygen sensors as the basis for development of a NOx sensor. Zirconia cell technology with an integrated heater will provide the foundation for the sensor structure. Proven materials and packaging technology will help to ensure a cost-effective approach to the manufacture of this sensor. The electronics technique and interface is considered to be an area where new strategies need to be employed to produce higher S/N ratios of the NOx signal with emphasis on signal stability over time for robustness and durability Both continuous mode and pulse mode control techniques are being evaluated. Packaging the electronics requires careful design and circuit partitioning so that only the necessary signal conditioning electronics are coupled directly in the wiring harness, while the remainder is situated within the ECM for durability and costs reasons. This task continues to be on hold due to the limitation that the definition of the interface electronics was unavailable until very late in the project. The sense element is based on the amperometric method utilizing integrated alumina and zirconia ceramics. Precious metal electrodes are used to form the integrated heater, the cell electrodes and leads. Inside the actual sense cell structure, it is first necessary to separate NOx from the remaining oxygen constituents of the exhaust, without reducing the NOx. Once separated, the NOx will be measured using a measurement cell. Development or test coupons have been used to facilitate material selection and refinement, cell, diffusion barrier, and chamber development. The sense element currently requires elaborate interconnections. To facilitate a robust durable connection, mechanical and metallurgical connections are under investigation. Materials and process refinements continue to play an important role in the development of the sensor.

  11. Laboratory Directed Research and Development FY 1992

    SciTech Connect (OSTI)

    Struble, G.L.; Middleton, C.; Anderson, S.E.; Baldwin, G.; Cherniak, J.C.; Corey, C.W.; Kirvel, R.D.; McElroy, L.A. [eds.

    1992-12-31

    The Laboratory Directed Research and Development (LDRD) Program at Lawrence Livermore National Laboratory (LLNL) funds projects that nurture and enrich the core competencies of the Laboratory. The scientific and technical output from the FY 1992 RD Program has been significant. Highlights include (1) Creating the first laser guide star to be coupled with adaptive optics, thus permitting ground-based telescopes to obtain the same resolution as smaller space-based instruments but with more light-gathering power. (2) Significantly improving the limit on the mass of the electron antineutrino so that neutrinos now become a useful tool in diagnosing supernovas and we disproved the existence of a 17-keV neutrino. (3) Developing a new class of organic aerogels that have robust mechanical properties and that have significantly lower thermal conductivity than inorganic aerogels. (4) Developing a new heavy-ion accelerator concept, which may enable us to design heavy-ion experimental systems and use a heavy-ion driver for inertial fusion. (5) Designing and demonstrating a high-power, diode-pumped, solid-state laser concept that will allow us to pursue a variety of research projects, including laser material processing. (6) Demonstrating that high-performance semiconductor arrays can be fabricated more efficiently, which will make this technology available to a broad range of applications such as inertial confinement fusion for civilian power. (7) Developing a new type of fiber channel switch and new fiber channel standards for use in local- and wide-area networks, which will allow scientists and engineers to transfer data at gigabit rates. (8) Developing the nation`s only numerical model for high-technology air filtration systems. Filter designs that use this model will provide safer and cleaner environments in work areas where contamination with particulate hazardous materials is possible.

  12. Contact processes in crowded environments

    E-Print Network [OSTI]

    S. -L. -Y. Xu; J. M. Schwarz

    2013-04-05

    Periodically sheared colloids at low densities demonstrate a dynamical phase transition from an inactive to active phase as the strain amplitude is increased. The inactive phase consists of no collisions/contacts between particles in the steady state limit, while in the active phase collisions persist. To investigate this system at higher densities, we construct and study a conserved-particle-number contact process with novel three-body interactions, which are potentially more likely than two-body interactions at higher densities. For example, consider one active (diffusing) particle colliding with two inactive (non-diffusing) particles such that they become active, in addition to spontaneous inactivation. In mean-field, this system exhibits a continuous dynamical phase transition belonging to the conserved directed percolation universality class. Simulations on square lattices support the mean field result. In contrast, the three-body interaction requiring two active particles to activate one inactive particle exhibits a discontinuous transition. Finally, inspired by kinetically-constrained models of the glass transition, we investigate the "caging effect" at even higher particle densities to look for a second dynamical phase transition back to an inactive phase. Square lattice simulations suggest a continuous transition with a new set of exponents differing from conserved directed percolation, i.e. a new universality class for contact processes with conserved particle number.

  13. Salt Waste Processing Initiatives

    Office of Environmental Management (EM)

    Patricia Suggs Salt Processing Team Lead Assistant Manager for Waste Disposition Project Office of Environmental Management Savannah River Site Salt Waste Processing Initiatives 2...

  14. Direct coal liquefaction baseline design and system analysis

    SciTech Connect (OSTI)

    Not Available

    1991-04-01

    The primary objective of the study is to develop a computer model for a base line direct coal liquefaction design based on two stage direct coupled catalytic reactors. This primary objective is to be accomplished by completing the following: a base line design based on previous DOE/PETC results from Wilsonville pilot plant and other engineering evaluations; a cost estimate and economic analysis; a computer model incorporating the above two steps over a wide range of capacities and selected process alternatives; a comprehensive training program for DOE/PETC Staff to understand and use the computer model; a thorough documentation of all underlying assumptions for baseline economics; and a user manual and training material which will facilitate updating of the model in the future.

  15. Direct coal liquefaction baseline design and system analysis

    SciTech Connect (OSTI)

    Not Available

    1991-07-01

    The primary objective of the study is to develop a computer model for a base line direct coal liquefaction design based on two stage direct coupled catalytic reactors. This primary objective is to be accomplished by completing the following: a base line design based on previous DOE/PETC results from Wilsonville pilot plant and other engineering evaluations; a cost estimate and economic analysis; a computer model incorporating the above two steps over a wide range of capacities and selected process alternatives; a comprehensive training program for DOE/PETC Staff to understand and use the computer model; a thorough documentation of all underlying assumptions for baseline economics; and a user manual and training material which will facilitate updating of the model in the future.

  16. Direct determination of internal radiation dose in human blood

    E-Print Network [OSTI]

    Tan?r, Ayse Güne?

    2014-01-01

    The purpose of this study is to measure the internal radiation dose using a human blood sample. In the literature, there is no process that allows the direct measurement of the internal radiation dose received by a person. The luminescence counts from a blood sample having a laboratory-injected radiation dose and the waste blood of the patient injected with a radiopharmaceutical for diagnostic purposes were both measured. The decay and dose-response curves were plotted for the different doses. The doses received by the different blood aliquots can be determined by interpolating the luminescence counts to the dose-response curve. This study shows that the dose received by a person can be measured directly, simply and retrospectively by using only a very small amount of blood sample. The results will have important ramifications for the medicine and healthcare fields in particular. This will also be very important in cases of suspicion of radiation poisoning, malpractice and so on.

  17. Direct visualization reveals kinetics of meiotic chromosome synapsis

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

    Rog, Ofer; Dernburg, Abby  F.

    2015-03-17

    The synaptonemal complex (SC) is a conserved protein complex that stabilizes interactions along homologous chromosomes (homologs) during meiosis. The SC regulates genetic exchanges between homologs, thereby enabling reductional division and the production of haploid gametes. Here, we directly observe SC assembly (synapsis) by optimizing methods for long-term fluorescence recording in C. elegans. We report that synapsis initiates independently on each chromosome pair at or near pairing centers—specialized regions required for homolog associations. Once initiated, the SC extends rapidly and mostly irreversibly to chromosome ends. Quantitation of SC initiation frequencies and extension rates reveals that initiation is a rate-limiting step inmore »homolog interactions. Eliminating the dynein-driven chromosome movements that accompany synapsis severely retards SC extension, revealing a new role for these conserved motions. This work provides the first opportunity to directly observe and quantify key aspects of meiotic chromosome interactions and will enable future in vivo analysis of germline processes.« less

  18. DIRECT ADAPTIVE CONTROL OF RESIN TRANSFER MOLDING

    E-Print Network [OSTI]

    Mamishev, Alexander

    of defects, control of mold filling is needed. In this paper, direct adaptive control strategy is presented is a crucial stage in RTM. Defect-free parts cannot be obtained without successful consistent mold fillingDIRECT ADAPTIVE CONTROL OF RESIN TRANSFER MOLDING B. Minaie1,* , W. Li, J. Gou1 , Y. Chen2 , A

  19. DIRECTING THE MOVEMENT OF FISH WITH ELECTRICITY

    E-Print Network [OSTI]

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

  20. MANUFACTURING LOGISTICS RESEARCH: TAXONOMY AND DIRECTIONS

    E-Print Network [OSTI]

    Wu, David

    MANUFACTURING LOGISTICS RESEARCH: TAXONOMY AND DIRECTIONS S. DAVID WU Lehigh University, Bethlehem research directions and opportunities in manufacturing logistics based on recommendations from an NSF in manufacturing logistics by the physical entities (systems) involved, the level-of-abstraction, the focus

  1. Process Mining Framework for Software Processes

    E-Print Network [OSTI]

    van der Aalst, Wil

    Process Mining Framework for Software Processes Vladimir Rubin1,2 , Christian W. G¨unther1 , Wil M.P. van der Aalst1 , Ekkart Kindler2 , Boudewijn F. van Dongen1 , and Wilhelm Sch¨afer2 1 Eindhoven University of Paderborn, Paderborn, Germany {vroubine,kindler,wilhelm}@uni-paderborn.de Abstract. Software

  2. HYDROLOGICAL PROCESSES Hydrol. Process. 22, 980986 (2008)

    E-Print Network [OSTI]

    2008-01-01

    in their temperature. The results have consequences for thermally sensitive hydroecological processes and implications, especially when several sources of thermal energy are present, such as groundwater flow (Webb and Zhang, 1999 complexity in thermal regimes of surface water and their implications for ecological processes. A useful

  3. Bolt Manufacture: Process Selection

    E-Print Network [OSTI]

    Colton, Jonathan S.

    Bolt Manufacture: Process Selection ver. 1 ME 6222: Manufacturing Processes and Systems Prof. J.S. Colton © GIT 2009 1 #12;How would you make a bolt? ME 6222: Manufacturing Processes and Systems Prof. J: Manufacturing Processes and Systems Prof. J.S. Colton © GIT 2009 3 #12;Possible Manufacturing Methodsg for Metal

  4. Process Algebra Rance Cleaveland

    E-Print Network [OSTI]

    Process Algebra Rance Cleaveland Department of Computer Science P.O. Box 7534 North Carolina State York at Stony Brook Stony Brook, NY 11794-4400 USA April 7, 1999 Abstract Process algebra represents a mathematically rigorous framework for modeling con- current systems of interacting processes. The process-algebraic

  5. IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 47, NO. 10, OCTOBER 1999 2845 Correspondence

    E-Print Network [OSTI]

    Nehorai, Arye

    IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 47, NO. 10, OCTOBER 1999 2845 Correspondence for Signal Processing, School of Electrical and Electronic Engineering, Nanyang Technological University Estimating Directions of Arrival of Completely and Incompletely Polarized Signals with Electromagnetic Vector

  6. 1996 Laboratory directed research and development annual report

    SciTech Connect (OSTI)

    Meyers, C.E.; Harvey, C.L.; Lopez-Andreas, L.M.; Chavez, D.L.; Whiddon, C.P.

    1997-04-01

    This report summarizes progress from the Laboratory Directed Research and Development (LDRD) program during fiscal year 1996. In addition to a programmatic and financial overview, the report includes progress reports from 259 individual R&D projects in seventeen categories. The general areas of research include: engineered processes and materials; computational and information sciences; microelectronics and photonics; engineering sciences; pulsed power; advanced manufacturing technologies; biomedical engineering; energy and environmental science and technology; advanced information technologies; counterproliferation; advanced transportation; national security technology; electronics technologies; idea exploration and exploitation; production; and science at the interfaces - engineering with atoms.

  7. Laboratory Directed Research and Development Program, FY 1992

    SciTech Connect (OSTI)

    Not Available

    1993-01-01

    This report is compiled from annual reports submitted by principal investigators following the close of the 1992 fiscal year. It describes the projects supported and summarizes their accomplishments. It constitutes a part of the Laboratory Directed Research and Development program planning and documentation process that includes an annual planning cycle, projection selection, implementation, and review. The Divisions that report include: Accelerator and Fusion Research, Chemical Sciences, Earth Sciences, Energy and Environment, Engineering, Environment and Safety and Health, Information and Computing Sciences, Life Sciences, Materials Sciences, Nuclear Science, Physics and Structural Biology.

  8. Direct analysis of air filter samples for alpha emitting isotopes

    SciTech Connect (OSTI)

    Mohagheghi, A.H.; Ghanbari, F.; Ebara, S.B.; Enghauser, M.E. [Sandia National Labs., Albuquerque, NM (United States); Bakhtiar, S.N. [Westinghouse WIPP, Carlsbad, NM (United States)

    1997-04-01

    The traditional method for determination of alpha emitting isotopes on air filters has been to process the samples by radiochemical methods. However, this method is too slow for cases of incidents involving radioactive materials where the determination of personnel received dose is urgent. A method is developed to directly analyze the air filters taken from personal and area air monitors. The site knowledge is used in combination with alpha spectral information to identify isotopes. A mathematical function is developed to estimate the activity for each isotope. The strengths and weaknesses of the method are discussed.

  9. Novel Materials for High Efficiency Direct Methanol Fuel Cells

    SciTech Connect (OSTI)

    Carson, Stephen; Mountz, David; He, Wensheng; Zhang, Tao

    2013-12-31

    Direct methanol fuel cell membranes were developed using blends of different polyelectrolytes with PVDF. The membranes showed complex relationships between polyelectrolyte chemistry, morphology, and processing. Although the PVDF grade was found to have little effect on the membrane permselectivity, it does impact membrane conductivity and methanol permeation values. Other factors, such as varying the polyelectrolyte polarity, using varying crosslinking agents, and adjusting the equivalent weight of the membranes impacted methanol permeation, permselectivity, and areal resistance. We now understand, within the scope of the project work completed, how these inter-related performance properties can be tailored to achieve a balance of performance.

  10. Electrotechnologies in Process Industries 

    E-Print Network [OSTI]

    Amarnath, K. R.

    1989-01-01

    applications of innovative electrotechnologies in these sectors. APPLICATIONS Electricity is predominantly used in three ways in process industries: 1. Motor Drives 2. Process Heating 3. Electrochemical Processes Motor drives are mainly used in prime..., infrared, and ultraviolet heating have found a variety of applications, and more are under development. ElectrOChemical processes for separation and synthesis (such as Chlor-Alkali production) are significant users of electricity. New processes...

  11. Experimental Quantum Process Discrimination

    E-Print Network [OSTI]

    Anthony Laing; Terry Rudolph; Jeremy L. O'Brien

    2008-07-01

    Discrimination between unknown processes chosen from a finite set is experimentally shown to be possible even in the case of non-orthogonal processes. We demonstrate unambiguous deterministic quantum process discrimination (QPD) of non-orthogonal processes using properties of entanglement, additional known unitaries, or higher dimensional systems. Single qubit measurement and unitary processes and multipartite unitaries (where the unitary acts non-separably across two distant locations) acting on photons are discriminated with a confidence of $\\geq97%$ in all cases.

  12. Contrasting the direct radiative effect and direct radiative forcing of aerosols

    E-Print Network [OSTI]

    Heald, Colette L.

    The direct radiative effect (DRE) of aerosols, which is the instantaneous radiative impact of all atmospheric particles on the Earth's energy balance, is sometimes confused with the direct radiative forcing (DRF), which ...

  13. A Business Process Explorer: Recovering Business Processes from Business Applications

    E-Print Network [OSTI]

    Zou, Ying

    processes, and visualizing business processes using commercial business process modeling tools, such as IBM WebSphere Business Modeler (WBM) [4]. Traceability between business processes and business1 A Business Process Explorer: Recovering Business Processes from Business Applications Jin Guo

  14. High gradient magnetic beneficiation of dry pulverized coal via upwardly directed recirculating fluidization

    DOE Patents [OSTI]

    Eissenberg, David M. (Oak Ridge, TN); Liu, Yin-An (Opelika, AL)

    1980-01-01

    This invention relates to an improved device and method for the high gradient magnetic beneficiation of dry pulverized coal, for the purpose of removing sulfur and ash from the coal whereby the product is a dry environmentally acceptable, low-sulfur fuel. The process involves upwardly directed recirculating air fluidization of selectively sized powdered coal in a separator having sections of increasing diameters in the direction of air flow, with magnetic field and flow rates chosen for optimum separations depending upon particulate size.

  15. Coupled-Channel Models of Direct-Semidirect Capture via Giant-Dipole Resonances

    SciTech Connect (OSTI)

    Thompson, I J [Lawrence Livermore National Laboratory (LLNL)] [Lawrence Livermore National Laboratory (LLNL); Escher, Jutta E [ORNL] [ORNL; Arbanas, Goran [ORNL] [ORNL

    2013-01-01

    Semidirect capture, a two-step process that excites a giant-dipole resonance followed by its radiative de-excitation, is a dominant process near giant-dipole resonances, that is, for incoming neutron energies within 5 20 MeV. At lower energies such processes may affect neutron capture rates that are relevant to astrophysical nucleosynthesis models. We implement a semidirect capture model in the coupled-channel reaction code Fresco and validate it by comparing the cross section for direct-semidirect capture 208Pb(n,g)209Pb to experimental data. We also investigate the effect of low-energy electric dipole strength in the pygmy resonance. We use a conventional single-particle direct-semidirect capture code Cupido for comparison. Furthermore, we present and discuss our results for direct-semidirect capture reaction 130Sn(n,g)131Sn, the cross section of which is known to have a significant effect on nucleosynthesis models.

  16. Direct Imaging of Asymmetric Magnetization Reversal

    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 BondingMeetingDifferences BetweenDiracDirect ImagingDirectDirect

  17. Direct Kinetic Measurements of a Criegee Intermediate

    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 BondingMeetingDifferences BetweenDiracDirectDirect ImagingDirect

  18. Direct Kinetic Measurements of a Criegee Intermediate

    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 BondingMeetingDifferences BetweenDiracDirectDirectDirect Kinetic

  19. Direct Kinetic Measurements of a Criegee Intermediate

    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 BondingMeetingDifferences BetweenDiracDirectDirectDirect

  20. Carbonation: An Efficient and Economical Process for CO2 Sequestration

    E-Print Network [OSTI]

    Wisconsin-Milwaukee, University of

    Carbonation: An Efficient and Economical Process for CO2 Sequestration Tarun R Naik1 and Rakesh sequestration. Most of the studies related to the carbonation are limited to its effects on corrosion. The possibility of using carbonation process as a direct means for carbon dioxide sequestration is yet

  1. Interfacial shear strength of cast and directionally solidified NiAl-sapphire fiber composites

    SciTech Connect (OSTI)

    Tewari, S.N.; Asthana, R. . Chemical Engineering Dept.); Noebe, R.D. . Intermetallics Branch)

    1993-09-01

    The feasibility of fabricating intermetallic NiAl-sapphire fiber composites by casting and zone directional solidification has been examined. The fiber-matrix interfacial shear strengths measured using a fiber push-out technique in both cast and directionally solidified composites are greater than the strengths reported for composites fabricated by powder cloth process using organic binders. Microscopic examination of fibers extracted from cast, directionally solidified (DS), and thermally cycled composites, and the high values of interfacial shear strengths suggest that the fiber-matrix interface does not degrade due to casting and directional solidification. Sapphire fibers do not pin grain boundaries during directional solidification, suggesting that this technique can be used to fabricate sapphire fiber reinforced NiAl composites with single crystal matrices.

  2. The Direct Path To WIPP - 12471

    SciTech Connect (OSTI)

    Spoerner, M.T.; Burger, M.J.; Garcia, J. [Sandia National Laboratories (United States); Humphrey, B.J. [Weston Solutions, Inc. (United States); Rast, D. [National Nuclear Security Administration, Sandia Site Office (United States)

    2012-07-01

    Sandia National Laboratories/New Mexico (SNL/NM), designated as a small quantity site (SQS) by the National TRU Program (NTP), generated contact-handled (CH) and remote-handled (RH) transuranic (TRU) waste primarily from the decontamination and clean-out of glove boxes at the Hot Cell Facility (HCF) at Technical Area (TA) V. All of the waste required repackaging, with the CH TRU waste being repackaged from late 2007 through 2011. Three shipments of CH were completed in October 2011, which de-inventoried SNL/NM's legacy TRU waste. In FY11, RH TRU waste was repackaged at the Auxiliary Hot Cell Facility (AHCF) located in TAV with the support of the Central Characterization Project (CCP). The waste was originally packaged in SNL/NM fabricated casks, cement or lead-lined 55-gallon drums, or 30-gallon drums. The AHCF is a small hot cell, with access only through a roof port which presented challenges for inserting and removing waste from the hot cell. The CCP provided visual examination operators (VEOs) to observe and document each waste item repackaged, removal of prohibited items, and radiological sampling. Dose-to-Curie measurements were calculated by CCP after a radiological report was prepared using scaling factors determined by the analysis of swipe samples. Finally, headspace gas samples were taken and sent to the Advanced Mixed Waste Treatment Project (AMWTP) for analysis. Despite the challenges, the RH waste is on track to be shipped to WIPP in early FY12. The processes used and procedures developed to conduct the repackaging operations, the issues identified and mitigated were challenging but the cooperation between SNL/NM and the Central Characterization Program (CCP) enabled SNL/NM to complete the repackaging and support the characterization and shipment. An inventory list, identification of the campaigns, discussion of the challenges and mitigations, and the final loading of the RH 72-B casks at TA-V for direct shipment to the Waste Isolation Pilot Plant (WIPP) will be discussed. Lessons learned from the RH campaigns are: - Some containers that were originally identified as HC-3 have been re-evaluated and became < HC-3 due to the conservative estimates made by the original generators - Operators at the AHCF were not accustomed to the detail required by the VE operators. However, they worked well together and the repackaging was completed ahead of schedule. - The AK was not always accurate as was demonstrated by the solid waste found in the drum during the first visit by EPA. That waste has since been determined to be low-level. - Two drums originally thought to be RH turned out to be CH and arrangement for RTR had to be made quickly. - Six of the original RH repacked drums became low level. - Lessons learned from the CH campaigns were helpful in avoiding many issues. The RH repackaging effort has been a success due to the expertise of the AHCF operators, supervisor, and manager, the conscientious attention to detail of the CCP VE operators, the experience of the CCP DTC and headspace gas sampling staff, and the guidance and support from CCP and CBFO. Sometimes schedules had to be adjusted, processes updated, and issues discussed, but the communication between CCP and SNL/NM was good. SNL/NM hopes to have the legacy RH TRU waste shipped off-site by early 2012. (authors)

  3. Administration Division Strategic Directions Updated February 2013

    E-Print Network [OSTI]

    Thompson, Michael

    over time within risk tolerances. #12;Administration Division Strategic Directions Updated February of policies and plans. Negotiation of contracts 3.1 Continue top tier labour relations practices 3

  4. Direct transfer of graphene onto flexible substrates

    E-Print Network [OSTI]

    Araujo, Paulo Antonio Trinidade

    In this paper we explore the direct transfer via lamination of chemical vapor deposition graphene onto different flexible substrates. The transfer method investigated here is fast, simple, and does not require an intermediate ...

  5. Reference book on geothermal direct use

    SciTech Connect (OSTI)

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

    1994-08-01

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

  6. Improved Usability of Aviation Automation Through Direct

    E-Print Network [OSTI]

    Kaber, David B.

    Improved Usability of Aviation Automation Through Direct Manipulation and Graphical User Interface Design David B. Kaber and Jennifer M. Riley Department of Industrial Engineering North Carolina State University Kheng-Wooi Tan Department of Industrial Engineering Mississippi State University Problems

  7. Extension of DOE Directives on Security

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

    2002-05-06

    The Notice extends the following directives until 12/31/02. DOE N 205.1, DOE N 205.2, DOE 205.3, DOE N 471.3, and DOE 473.6.

  8. Geothermal Direct-Use — Minimizing Solid Waste

    Broader source: Energy.gov [DOE]

    Aquaculture and horticulture businesses, and other industries that use geothermal direct-use systems typically don't generate any more solid waste than those that use other energy resources.

  9. Air Breathing Direct Methanol Fuel Cell

    DOE Patents [OSTI]

    Ren; Xiaoming (Los Alamos, NM)

    2003-07-22

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

  10. Future Directions for Federal Research Funding

    E-Print Network [OSTI]

    i Future Directions for Federal Research Funding Merrill Series on The Research Cells: Current Challenges and Future Promise First panel of research administrators Prem Paul and Developmental Disabilities Research Center, University of Kansas Past as Prelude: Lessons for the Future

  11. Nanoscale Science, Engineering and Technology Research Directions

    E-Print Network [OSTI]

    Wu, Zhigang

    OF CONTENTS Basic Energy Sciences Nanoscience/Nanotechnology Group Basic Energy Sciences Nanoscience/Nanotechnology Group Chair: Douglas H. Lowndes (ORNL) A. Paul#12;#12;Nanoscale Science, Engineering and Technology Research Directions ABSTRACT This report

  12. Metal-directed protein self-assembly

    E-Print Network [OSTI]

    Salgado. Eric N.

    2010-01-01

    F. A. 2010. Evolution of metal selectivity in templatedR. J. , Tezcan, F. A. 2010. Metal-Directed Protein Self-B. , Tezcan, F. A. 2010. Metal templated design of protein

  13. Methods of conditioning direct methanol fuel cells

    DOE Patents [OSTI]

    Rice, Cynthia (Newington, CT); Ren, Xiaoming (Menands, NY); Gottesfeld, Shimshon (Niskayuna, NY)

    2005-11-08

    Methods for conditioning the membrane electrode assembly of a direct methanol fuel cell ("DMFC") are disclosed. In a first method, an electrical current of polarity opposite to that used in a functioning direct methanol fuel cell is passed through the anode surface of the membrane electrode assembly. In a second method, methanol is supplied to an anode surface of the membrane electrode assembly, allowed to cross over the polymer electrolyte membrane of the membrane electrode assembly to a cathode surface of the membrane electrode assembly, and an electrical current of polarity opposite to that in a functioning direct methanol fuel cell is drawn through the membrane electrode assembly, wherein methanol is oxidized at the cathode surface of the membrane electrode assembly while the catalyst on the anode surface is reduced. Surface oxides on the direct methanol fuel cell anode catalyst of the membrane electrode assembly are thereby reduced.

  14. Safeguards and Security Program - DOE Directives, Delegations...

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

    Administrator Functional areas: Environment, Safety, and Health, Hazardous Materials, Radiation Protection, Safeguards, Security, and Emergency Management, Work Processes,...

  15. Dereplicating and Mapping Secondary Metabolites Directly on Fungal Cultures

    SciTech Connect (OSTI)

    Kertesz, Vilmos [ORNL; Van Berkel, Gary J [ORNL; Sica, Vincent P [University of North Carolina at Greensboro; Raja, Huzefa A [University of North Carolina at Greensboro; El-Elimat, Tamam [University of North Carolina at Greensboro; Oberlies, Nicholas H [University of North Carolina at Greensboro; Pearce, Cedric J [Mycosynthetix, Inc., North Carolina

    2015-01-01

    Ambient ionization techniques coupled to mass spectrometry have recently become prevalent in natural product research due to their ability to examine secondary metabolites in situ. Identifying, mapping, and monitoring secondary metabolites directly on an organism provides invaluable spatial and temporal details that are lost through traditional extraction processes. Most ambient ionization techniques do not collect mutually supportive data, such as chromatographic retention times and/or UV/VIS spectra, and this can limit the ability to identify certain metabolites, such as differentiating isomers. To overcome this, the droplet liquid microjunction surface sampling probe (droplet LMJ SSP) was coupled with UPLC PDA HRMS MS/MS, thus providing separation, retention times, and UV/VIS data used in traditional dereplication protocols. By capturing these mutually supportive data, the identity of secondary metabolites could be confidently and rapidly assigned in situ. Using the droplet LMJ SSP, a protocol was constructed to analyze the secondary metabolite profile of fungal cultures directly without any sample preparation. The results demonstrate that fungal cultures can be dereplicated from the Petri dish, thus identifying secondary metabolites, including isomers, and confirming them against reference standards. Furthermore, heat maps, similar to mass spectrometry imaging, can be used to ascertain the location and relative concentration of secondary metabolites directly on the surface and/or surroundings of a fungal culture.

  16. On the number density of "direct collapse" black hole seeds

    E-Print Network [OSTI]

    Habouzit, Melanie; Latif, Muhammad; Dubois, Yohan; Peirani, Sebastien

    2016-01-01

    Supermassive black holes (BHs) of millions solar masses and above reside in the center of most local galaxies, but they also power active galactic nuclei and quasars, detected up to z=7. This observational evidence puts strong constraints on the BH growth and the mass of the first BH seeds. The scenario of "direct collapse" is very appealing as it leads to the formation of large mass BH seeds in the range 10^4-10^6 Msun, which eases explaining how quasars at z=6-7 are powered by BHs with masses >10^9 Msun. Direct collapse, however, appears to be rare, as the conditions required by the scenario are that gas is metal-free, the presence of a strong photo-dissociating Lyman-Werner flux, and large inflows of gas at the center of the halo, sustained for 10-100 Myr. We performed several cosmological hydrodynamical simulations that cover a large range of box sizes and resolutions, thus allowing us to understand the impact of several physical processes on the distribution of direct collapse BHs. We identify halos wher...

  17. Nanoscale Science, Engineering and Technology Research Directions

    SciTech Connect (OSTI)

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

    1999-01-01

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

  18. A parametric study of directional sea modeling 

    E-Print Network [OSTI]

    Whatley, Christopher Paul

    1990-01-01

    from -s to rr at each frequency. If a certain functional form for the directional distribution of wave energy, D(8) is assumed, the covariances of the data, determined from a method like the Fourier series analysis mentioned above, can be used... to researchers. Still, no universally accepted model of this complex physical phenomena has yet evolved. Researchers have opted for selecting a functional form to describe the directional distribution of wave energy rather than using a Fourier series model...

  19. High Temperature 300°C Directional Drilling System

    SciTech Connect (OSTI)

    Chatterjee, Kamalesh; Aaron, Dick; Macpherson, John

    2015-07-31

    Many countries around the world, including the USA, have untapped geothermal energy potential. Enhanced Geothermal Systems (EGS) technology is needed to economically utilize this resource. Temperatures in some EGS reservoirs can exceed 300°C. To effectively utilize EGS resources, an array of injector and production wells must be accurately placed in the formation fracture network. This requires a high temperature directional drilling system. Most commercial services for directional drilling systems are rated for 175°C while geothermal wells require operation at much higher temperatures. Two U.S. Department of Energy (DOE) Geothermal Technologies Program (GTP) projects have been initiated to develop a 300°C capable directional drilling system, the first developing a drill bit, directional motor, and drilling fluid, and the second adding navigation and telemetry systems. This report is for the first project, “High Temperature 300°C Directional Drilling System, including drill bit, directional motor and drilling fluid, for enhanced geothermal systems,” award number DE-EE0002782. The drilling system consists of a drill bit, a directional motor, and drilling fluid. The DOE deliverables are three prototype drilling systems. We have developed three drilling motors; we have developed four roller-cone and five Kymera® bits; and finally, we have developed a 300°C stable drilling fluid, along with a lubricant additive for the metal-to-metal motor. Metal-to-metal directional motors require coatings to the rotor and stator for wear and corrosion resistance, and this coating research has been a significant part of the project. The drill bits performed well in the drill bit simulator test, and the complete drilling system has been tested drilling granite at Baker Hughes’ Experimental Test Facility in Oklahoma. The metal-to-metal motor was additionally subjected to a flow loop test in Baker Hughes’ Celle Technology Center in Germany, where it ran for more than 100 hours.

  20. Mechanical Systems Signal Processing

    E-Print Network [OSTI]

    Verleysen, Michel

    Mechanical Systems and Signal Processing Mechanical Systems and Signal Processing 22 (2008) 155 Department of Mechanical Engineering, University of Sheffield, Mappin Street S1 3JD Sheffield, UK Received 27

  1. Construction work process management 

    E-Print Network [OSTI]

    Soares, Jorge Barbosa

    1994-01-01

    for organizationand project-level work processes. Data to support the analysis were collected through a mailed questionnaire sent to construction executives and managers who were asked to provide information on organizational and project work processes, respectively....

  2. Gas-separation process

    DOE Patents [OSTI]

    Toy, Lora G. (San Francisco, CA); Pinnau, Ingo (Palo Alto, CA); Baker, Richard W. (Palo Alto, CA)

    1994-01-01

    A process for separating condensable organic components from gas streams. The process makes use of a membrane made from a polymer material that is glassy and that has an unusually high free volume within the polymer material.

  3. Instrumentation for Process Industries 

    E-Print Network [OSTI]

    Unknown

    2011-08-17

    The development of biofuels as an alternative fuel source highlights the MixAlco process as one method to convert organic waste into alcohol fuels. The pretreatment and fermentation of waste is integral to the process ...

  4. Quantum delocalization directs antenna absorption to photosynthetic reaction centers

    E-Print Network [OSTI]

    Felipe Caycedo-Soler; Chris A. Schroeder; Caroline Autenrieth; Robin Ghosh; Susana F. Huelga; Martin B. Plenio

    2015-04-22

    Photosynthesis -- the conversion of sunlight to chemical energy -- is fundamental for supporting life on our planet. Despite its importance, the physical principles that underpin the primary steps of photosynthesis, from photon absorption to electronic charge separation, remain to be understood in full. Previously, electronic coherence within tightly-packed light-harvesting (LH) units or within individual reaction centers (RCs) has been recognized as an important ingredient for a complete understanding of the excitation energy transfer dynamics. However, the electronic coherence across RC and LH units has been consistently neglected as it does not play a significant role during these relatively slow transfer processes. Here, we turn our attention to the absorption process, which occurs on much shorter timescales. We demonstrate that the - often overlooked - spatially extended but short-lived excitonic delocalization across RC and LH units plays a relevant role in general photosynthetic systems, as it causes a redistribution of direct absorption towards the charge separation unit. Using the complete core complex of Rhodospirillum rubrum, we verify experimentally an 80 % increase in the direct optical absorption of the RC in situ as compared to isolated RCs. Numerical calculations reveal that similar enhancements can be expected for a wide variety of photosynthetic units in both plant and bacterial systems, suggesting that this mechanism is conserved across species and providing a clear new design principle for light-harvesting nanostructures

  5. Fuel gas conditioning process

    DOE Patents [OSTI]

    Lokhandwala, Kaaeid A. (Union City, CA)

    2000-01-01

    A process for conditioning natural gas containing C.sub.3+ hydrocarbons and/or acid gas, so that it can be used as combustion fuel to run gas-powered equipment, including compressors, in the gas field or the gas processing plant. Compared with prior art processes, the invention creates lesser quantities of low-pressure gas per unit volume of fuel gas produced. Optionally, the process can also produce an NGL product.

  6. Process for making ceramic insulation

    DOE Patents [OSTI]

    Akash, Akash (Salt Lake City, UT); Balakrishnan, G. Nair (Sandy, UT)

    2009-12-08

    A method is provided for producing insulation materials and insulation for high temperature applications using novel castable and powder-based ceramics. The ceramic components produced using the proposed process offers (i) a fine porosity (from nano-to micro scale); (ii) a superior strength-to-weight ratio; and (iii) flexibility in designing multilayered features offering multifunctionality which will increase the service lifetime of insulation and refractory components used in the solid oxide fuel cell, direct carbon fuel cell, furnace, metal melting, glass, chemical, paper/pulp, automobile, industrial heating, coal, and power generation industries. Further, the ceramic components made using this method may have net-shape and/or net-size advantages with minimum post machining requirements.

  7. COURSE OUTLINE Stochastic Processes

    E-Print Network [OSTI]

    Smith, Robert L.

    ; the Poisson process; renewal theory; Markov chains; and some continuous state models including Brownian motion.umich.edu COURSE DESCRIPTION: This is a basic course in stochastic processes with emphasis on model building to Probability Models, Academic Press, latest. REFERENCES: Cinlar, E., Introduction to Stochastic Processes

  8. Mechanical Systems Signal Processing

    E-Print Network [OSTI]

    Ray, Asok

    Mechanical Systems and Signal Processing Mechanical Systems and Signal Processing 21 (2007) 866 and analytical models. This paper attempts to address this inadequacy by taking advantage of advanced signal processing and pattern recognition tools. Since a vast majority of structural components that are prone

  9. Semisolid Metal Processing Consortium

    SciTech Connect (OSTI)

    Apelian,Diran

    2002-01-10

    Mathematical modeling and simulations of semisolid filling processes remains a critical issue in understanding and optimizing the process. Semisolid slurries are non-Newtonian materials that exhibit complex rheological behavior. There the way these slurries flow in cavities is very different from the way liquid in classical casting fills cavities. Actually filling in semisolid processing is often counter intuitive

  10. Direct sulfur recovery during sorbent regeneration. Final report

    SciTech Connect (OSTI)

    Nelson, S.G.; Little, R.C. [Sorbent Technologies Corp., Twinsburg, OH (United States)

    1993-08-01

    The objective of this research project was to improve the direct elemental sulfur yields that occur during the regeneration of SO{sub 2}-saturated MgO-vermiculite sorbents (MagSorbents) by examining three approaches or strategies. The three approaches were regeneration-gas recycle, high-pressure regeneration, and catalytic reduction of the SO{sub 2} gas using a new catalyst developed by Research Triangle Institute (RTI). Prior to the project, Sorbent Technologies Corporation (Sorbtech) had developed a sorbent-regeneration process that yielded directly a pure elemental sulfur product. In the process, typically about 25 to 35 percent of the liberated S0{sub 2} was converted directly to elemental sulfur. The goal of this project was to achieve a conversion rate of over 90 percent. Good success was attained in the project. About 90 percent or more conversion was achieved with two of the approaches that were examined, regeneration-gas recycle and use of the RTI catalyst. Of these approaches, regeneration-gas recycle gave the best results (essentially 100 percent conversion in some cases). In the regeneration-gas recycle approach, saturated sorbent is simply heated to about 750{degree}C in a reducing gas (methane) atmosphere. During heating, a gas containing elemental sulfur, water vapor, H{sub 2}S, S0{sub 2}, and C0{sub 2} is evolved. The elemental sulfur and water vapor in the gas stream are condensed and removed, and the remaining gas is recycled back through the sorbent bed. After several recycles, the S0{sub 2} and H{sub 2}S completely disappear from the gas stream, and the stream contains only elemental sulfur, water vapor and C0{sub 2}.

  11. Direct match data flow machine apparatus and process for data driven computing

    DOE Patents [OSTI]

    Davidson, George S. (Albuquerque, NM); Grafe, Victor Gerald (Albuquerque, NM)

    1997-01-01

    A data flow computer and method of computing is disclosed which utilizes a data driven processor node architecture. The apparatus in a preferred embodiment includes a plurality of First-In-First-Out (FIFO) registers, a plurality of related data flow memories, and a processor. The processor makes the necessary calculations and includes a control unit to generate signals to enable the appropriate FIFO register receiving the result. In a particular embodiment, there are three FIFO registers per node: an input FIFO register to receive input information form an outside source and provide it to the data flow memories; an output FIFO register to provide output information from the processor to an outside recipient; and an internal FIFO register to provide information from the processor back to the data flow memories. The data flow memories are comprised of four commonly addressed memories. A parameter memory holds the A and B parameters used in the calculations; an opcode memory holds the instruction; a target memory holds the output address; and a tag memory contains status bits for each parameter. One status bit indicates whether the corresponding parameter is in the parameter memory and one status but to indicate whether the stored information in the corresponding data parameter is to be reused. The tag memory outputs a "fire" signal (signal R VALID) when all of the necessary information has been stored in the data flow memories, and thus when the instruction is ready to be fired to the processor.

  12. IEEE TRANSACTIONS ON AUDIO, SPEECH AND LANGUAGE PROCESSING 1 Direction of Arrival Based Spatial Covariance

    E-Print Network [OSTI]

    Virtanen, Tuomas

    are with the Department of Signal Pro- cessing, Tampere University of Technology, Tampere, Finland, email: first- name

  13. Real-Time Optical Characterization of Laser Oxidation Process in Bimetallic Direct Write Gray Scale Photomasks

    E-Print Network [OSTI]

    Chapman, Glenn H.

    density (OD), changes smoothly with increasing laser power, from ~3.0OD (unexposed) to developed capable of providing real time optical density and exposure power changes for the bimetallic thin) are exposed to laser light with power greater than its conversion threshold power, the thin film oxidizes

  14. Direct and indirect effects of experimental warming on ecosystem carbon processes in a tallgrass prairie

    E-Print Network [OSTI]

    concentration due to land-use change and fossil fuel combustion has resulted in a 0.6°C increase in the Earth [Price and Waser, 1998; Chmielewski and Ro¨tzer, 2001; Dunne et al., 2003; Fang et al., 2003; Norby et al

  15. Behavioural Processes 99 (2013) 5261 Contents lists available at SciVerse ScienceDirect

    E-Print Network [OSTI]

    Shuker, David

    2013-01-01

    choice, and has led to a renewed focus on individual variation in behaviour. Here we explore within, it is still unclear whether such variation is adaptive, and the extent to which the variation we see to a renewed focus on understanding individual variation in behaviour more generally (including investigation

  16. Use of a Direct Search Algorithm in the Process Design of Material ...

    E-Print Network [OSTI]

    Le Digabel

    2014-12-02

    Dec 2, 2014 ... for hundreds of metallic, oxide, and salt solutions (solid and liquid). ...... design of new free-lead solders alloys or for the design of new cast ...

  17. Digital Signal Processing 22 (2012) 407416 Contents lists available at SciVerse ScienceDirect

    E-Print Network [OSTI]

    Candan, Cagatay

    2012-01-01

    false alarm rate (CFAR) methods use a fixed number of cells to estimate the background variance). environments, the estimator with larger time-constant (which we call as the `slow filter') is utilized for nonhomogeneous environments Berk Gurakan , Çagatay Candan, Tolga Çiloglu Department of Electrical and Electronics

  18. Process Biochemistry 46 (2011) 14691474 Contents lists available at ScienceDirect

    E-Print Network [OSTI]

    Huang, Ching-Tsan

    2011-01-01

    in 50% (v/v) ethanol, methanol, DMF and DMSO after a 3-h incubation at 25 C. Less than 20% of activity a variety of sub- strates from aromatic to inorganic compounds and produce water as the sole by-product [3

  19. Behavioural Processes 85 (2010) 135141 Contents lists available at ScienceDirect

    E-Print Network [OSTI]

    Dhindsa, Rajinder

    2010-01-01

    in their natural habitat in Barbados. The dove pairs showed high site fidelity and territoriality, allowing us

  20. Journal of Process Control 24 (2014) 701702 Contents lists available at ScienceDirect

    E-Print Network [OSTI]

    Skogestad, Sigurd

    2014-01-01

    and other system engineering methods have a long history. It is therefore strongly desirable to get comfort level by optimizing the use of an HVAC system in order to reduce, as much as possible, the energy results obtained in a solar energy research cen- ter located in Almera, Spain, are reported and discussed

  1. Direction on characterization of fuel debris for defueling process in Fukushima Daiichi Nuclear Power Station

    SciTech Connect (OSTI)

    Yano, Kimihiko; Kitagaki, Toru; Ikeuchi, Hirotomo; Wakui, Ryohei; Higuchi, Hidetoshi; Kaji, Naoya; Koizumi, Kenji; Washiya, Tadahiro [Japan Atomic Energy Agency 4-33 Muramatsu, Tokaimura, Nakagun, Ibaraki 319-1194 (Japan)

    2013-07-01

    For the decommissioning of Fukushima Daiichi Nuclear Power Station (1F), defueling of the fuel debris in the reactor core of Units 1-3 is planned to start within 10 years. Preferential items in the characterization of the fuel debris were identified for this work, in which the procedure and handling tools were assumed on the basis of information on 1F and experience after the Three Mile Island Unit 2 (TMI-2) accident. The candidates for defueling tools for 1F were selected from among the TMI- 2 defueling tools. It was found that they could be categorized into six groups according to their operating principles. The important properties of the fuel debris for defueling were selected considering the effect of the target materials on the tool performance. The selected properties are shape, size, density, thermal conductivity, heat capacity, melting point, hardness, elastic modulus, and fracture toughness. Of these properties, the mechanical properties (hardness, elastic modulus, fracture toughness) were identified as preferential items, because too few data on these characteristics of fuel debris are available in past severe accident studies. (authors)

  2. Process Biochemistry 47 (2012) 21462151 Contents lists available at SciVerse ScienceDirect

    E-Print Network [OSTI]

    2012-01-01

    with electricity generation in a tubular dual-cathode microbial fuel cell Fei Zhang, Zhen He Department of Civil Wastewater a b s t r a c t This study presented a dual-cathode microbial fuel cell (MFC) that was designed Available online 10 August 2012 Keywords: Microbial fuel cell Nitrogen Nitrification Denitrification

  3. Journal of Process Control 27 (2015) 3849 Contents lists available at ScienceDirect

    E-Print Network [OSTI]

    2015-01-01

    of magnetic fields to induce the crystallization of paramagnetic colloids, and high-throughput crystal scales ranging from molecules in a crystal to cells in a tissue to planets in a galaxy [2]. Bottom

  4. Direct match data flow machine apparatus and process for data driven computing

    DOE Patents [OSTI]

    Davidson, G.S.; Grafe, V.G.

    1997-08-12

    A data flow computer and method of computing are disclosed which utilizes a data driven processor node architecture. The apparatus in a preferred embodiment includes a plurality of First-In-First-Out (FIFO) registers, a plurality of related data flow memories, and a processor. The processor makes the necessary calculations and includes a control unit to generate signals to enable the appropriate FIFO register receiving the result. In a particular embodiment, there are three FIFO registers per node: an input FIFO register to receive input information form an outside source and provide it to the data flow memories; an output FIFO register to provide output information from the processor to an outside recipient; and an internal FIFO register to provide information from the processor back to the data flow memories. The data flow memories are comprised of four commonly addressed memories. A parameter memory holds the A and B parameters used in the calculations; an opcode memory holds the instruction; a target memory holds the output address; and a tag memory contains status bits for each parameter. One status bit indicates whether the corresponding parameter is in the parameter memory and one status but to indicate whether the stored information in the corresponding data parameter is to be reused. The tag memory outputs a ``fire`` signal (signal R VALID) when all of the necessary information has been stored in the data flow memories, and thus when the instruction is ready to be fired to the processor. 11 figs.

  5. Catalyst for elemental sulfur recovery process

    DOE Patents [OSTI]

    Flytzani-Stephanopoulos, M.; Liu, W.

    1995-01-24

    A catalytic reduction process is described for the direct recovery of elemental sulfur from various SO[sub 2]-containing industrial gas streams. The catalytic process provides high activity and selectivity, as well as stability in the reaction atmosphere, for the reduction of SO[sub 2] to elemental sulfur product with carbon monoxide or other reducing gases. The reaction of sulfur dioxide and reducing gas takes place over a metal oxide composite catalyst having one of the following empirical formulas: [(FO[sub 2])[sub 1[minus]n](RO)[sub n

  6. Process for forming retrograde profiles in silicon

    DOE Patents [OSTI]

    Weiner, Kurt H. (San Jose, CA); Sigmon, Thomas W. (Phoenix, AZ)

    1996-01-01

    A process for forming retrograde and oscillatory profiles in crystalline and polycrystalline silicon. The process consisting of introducing an n- or p-type dopant into the silicon, or using prior doped silicon, then exposing the silicon to multiple pulses of a high-intensity laser or other appropriate energy source that melts the silicon for short time duration. Depending on the number of laser pulses directed at the silicon, retrograde profiles with peak/surface dopant concentrations which vary from 1-1e4 are produced. The laser treatment can be performed in air or in vacuum, with the silicon at room temperature or heated to a selected temperature.

  7. Dynamical laser spike processing

    E-Print Network [OSTI]

    Shastri, Bhavin J; Tait, Alexander N; Rodriguez, Alejandro W; Wu, Ben; Prucnal, Paul R

    2015-01-01

    Novel materials and devices in photonics have the potential to revolutionize optical information processing, beyond conventional binary-logic approaches. Laser systems offer a rich repertoire of useful dynamical behaviors, including the excitable dynamics also found in the time-resolved "spiking" of neurons. Spiking reconciles the expressiveness and efficiency of analog processing with the robustness and scalability of digital processing. We demonstrate that graphene-coupled laser systems offer a unified low-level spike optical processing paradigm that goes well beyond previously studied laser dynamics. We show that this platform can simultaneously exhibit logic-level restoration, cascadability and input-output isolation---fundamental challenges in optical information processing. We also implement low-level spike-processing tasks that are critical for higher level processing: temporal pattern detection and stable recurrent memory. We study these properties in the context of a fiber laser system, but the addit...

  8. (In)direct detection of boosted dark matter

    SciTech Connect (OSTI)

    Agashe, Kaustubh; Cui, Yanou; Necib, Lina; Thaler, Jesse E-mail: cuiyo@umd.edu E-mail: jthaler@mit.edu

    2014-10-01

    We initiate the study of novel thermal dark matter (DM) scenarios where present-day annihilation of DM in the galactic center produces boosted stable particles in the dark sector. These stable particles are typically a subdominant DM component, but because they are produced with a large Lorentz boost in this process, they can be detected in large volume terrestrial experiments via neutral-current-like interactions with electrons or nuclei. This novel DM signal thus combines the production mechanism associated with indirect detection experiments (i.e. galactic DM annihilation) with the detection mechanism associated with direct detection experiments (i.e. DM scattering off terrestrial targets). Such processes are generically present in multi-component DM scenarios or those with non-minimal DM stabilization symmetries. As a proof of concept, we present a model of two-component thermal relic DM, where the dominant heavy DM species has no tree-level interactions with the standard model and thus largely evades direct and indirect DM bounds. Instead, its thermal relic abundance is set by annihilation into a subdominant lighter DM species, and the latter can be detected in the boosted channel via the same annihilation process occurring today. Especially for dark sector masses in the 10 MeV–10 GeV range, the most promising signals are electron scattering events pointing toward the galactic center. These can be detected in experiments designed for neutrino physics or proton decay, in particular Super-K and its upgrade Hyper-K, as well as the PINGU/MICA extensions of IceCube. This boosted DM phenomenon highlights the distinctive signatures possible from non-minimal dark sectors.

  9. Future Steelmaking Processes

    SciTech Connect (OSTI)

    Prof. R. J. Fruehan

    2004-09-20

    There is an increasing demand for an ironmaking process with lower capital cost, energy consumption and emissions than a blast furnace. It is the hypothesis of the present work that an optimized combination of two reasonable proven technologies will greatly enhance the overall process. An example is a rotary hearth furnace (RHF) linked to a smelter (e.g., AISI, HIsmelt). The objective of this research is to select promising process combinations, develop energy, materials balance and productivity models for the individual processes, conduct a limited amount of basic research on the processes and evaluate the process combinations. Three process combinations were selected with input from the industrial partners. The energy-materials and productivity models for the RHF, smelter, submerged arc furnace and CIRCOFER were developed. Since utilization of volatiles in coal is critical for energy and CO{sub 2} emission reduction, basic research on this topic was also conducted. The process models developed are a major product developed in this research. These models can be used for process evaluation by the industry. The process combinations of an RHF-Smelter and a simplified CIRCOFER-Smelter appear to be promising. Energy consumption is reduced and productivity increased. Work on this project is continuing using funds from other sources.

  10. Broken symmetries and directed collective energy transport

    E-Print Network [OSTI]

    S. Flach; Y. Zolotaryuk; A. E. Miroshnichenko; M. V. Fistul

    2001-10-09

    We study the appearance of directed energy current in homogeneous spatially extended systems coupled to a heat bath in the presence of an external ac field E(t). The systems are described by nonlinear field equations. By making use of a symmetry analysis we predict the right choice of E(t) and obtain directed energy transport for systems with a nonzero topological charge Q. We demonstrate that the symmetry properties of motion of topological solitons (kinks and antikinks) are equivalent to the ones for the energy current. Numerical simulations confirm the predictions of the symmetry analysis and, moreover, show that the directed energy current drastically increases as the dissipation parameter $\\alpha$ reduces. Our results generalize recent rigorous theories of currents generated by broken time-space symmetries to the case of interacting many-particle systems.

  11. Field free, directly heated lanthanum boride cathode

    DOE Patents [OSTI]

    Leung, Ka-Ngo (Hercules, CA); Moussa, David (San Francisco, CA); Wilde, Stephen B. (Pleasant Hill, CA)

    1991-01-01

    A directly heated cylindrical lanthanum boride cathode assembly is disclosed which minimizes generation of magnetic fields which would interfere with electron emission from the cathode. The cathode assembly comprises a lanthanum boride cylinder in electrical contact at one end with a central support shaft which functions as one electrode to carry current to the lanthanum boride cylinder and in electrical contact, at its opposite end with a second electrode which is coaxially position around the central support shaft so that magnetic fields generated by heater current flowing in one direction through the central support shaft are cancelled by an opposite magnetic field generated by current flowing through the lanthanum boride cylinder and the coaxial electrode in a direction opposite to the current flow in the central shaft.

  12. Disentangling Dark Matter Dynamics with Directional Detection

    SciTech Connect (OSTI)

    Lisanti, Mariangela; Wacker, Jay G.; /SLAC

    2009-12-16

    Inelastic dark matter reconciles the DAMA anomaly with other null direct detection experiments and points to a non-minimal structure in the dark matter sector. In addition to the dominant inelastic interaction, dark matter scattering may have a subdominant elastic component. If these elastic interactions are suppressed at low momentum transfer, they will have similar nuclear recoil spectra to inelastic scattering events. While upcoming direct detection experiments will see strong signals from such models, they may not be able to unambiguously determine the presence of the subdominant elastic scattering from the recoil spectra alone. We show that directional detection experiments can separate elastic and inelastic scattering events and discover the underlying dynamics of dark matter models.

  13. Field free, directly heated lanthanum boride cathode

    DOE Patents [OSTI]

    Leung, Ka-Ngo; Moussa, D.; Wilde, S.B.

    1987-02-02

    A directly heated cylindrical lanthanum boride cathode assembly is disclosed which minimizes generation of magnetic field which would interfere with electron emission from the cathode. The cathode assembly comprises a lanthanum boride cylinder in electrical contact at one end with a central support shaft which functions as one electrode to carry current to the lanthanum boride cylinder and in electrical contact, at its opposite end with a second electrode which is coaxially position around the central support shaft so that magnetic fields generated by heater current flowing in one direction through the central support shaft are cancelled by an opposite magnetic field generated by current flowing through the lanthanum boride cylinder and the coaxial electrode in a direction opposite to the current flow in the central shaft.

  14. Direct-drive inertial confinement fusion: A review

    SciTech Connect (OSTI)

    Craxton, R. S.; Anderson, K. S.; Boehly, T. R.; Goncharov, V. N.; Harding, D. R.; Knauer, J. P.; McCrory, R. L.; McKenty, P. W.; Meyerhofer, D. D.; Myatt, J. F.; Schmitt, A. J.; Sethian, J. D.; Short, R. W.; Skupsky, S.; Theobald, W.; Kruer, W. L.; Tanaka, K.; Betti, R.; Collins, T. J. B.; Delettrez, J. A.; Hu, S. X.; Marozas, J. A.; Maximov, A. V.; Michel, D. T.; Radha, P. B.; Regan, S. P.; Sangster, T. C.; Seka, W.; Solodov, A. A.; Soures, J. M.; Stoeckl, C.; Zuegel, J. D.

    2015-11-25

    In this study, the direct-drive, laser-based approach to inertial confinement fusion (ICF) is reviewed from its inception following the demonstration of the first laser to its implementation on the present generation of high-power lasers. The review focuses on the evolution of scientific understanding gained from target-physics experiments in many areas, identifying problems that were demonstrated and the solutions implemented. The review starts with the basic understanding of laser–plasma interactions that was obtained before the declassification of laser-induced compression in the early 1970s and continues with the compression experiments using infrared lasers in the late 1970s that produced thermonuclear neutrons. The problem of suprathermal electrons and the target preheat that they caused, associated with the infrared laser wavelength, led to lasers being built after 1980 to operate at shorter wavelengths, especially 0.35 um—the third harmonic of the Nd:glass laser—and 0.248 um (the KrF gas laser). The main physics areas relevant to direct drive are reviewed. The primary absorption mechanism at short wavelengths is classical inverse bremsstrahlung. Nonuniformities imprinted on the target by laser irradiation have been addressed by the development of a number of beam-smoothing techniques and imprint-mitigation strategies. The effects of hydrodynamic instabilities are mitigated by a combination of imprint reduction and target designs that minimize the instability growth rates. Several coronal plasma physics processes are reviewed. The two-plasmon–decay instability, stimulated Brillouin scattering (together with cross-beam energy transfer), and (possibly) stimulated Raman scattering are identified as potential concerns, placing constraints on the laser intensities used in target designs, while other processes (self-focusing and filamentation, the parametric decay instability, and magnetic fields), once considered important, are now of lesser concern for mainline direct-drive target concepts. Filamentation is largely suppressed by beam smoothing. Thermal transport modeling, important to the interpretation of experiments and to target design, has been found to be non-local in nature. Advances in shock timing and equation-of-state measurements relevant to direct-drive ICF are reported. Room-temperature implosions have provided an increased understanding of the importance of stability and uniformity. The evolution of cryogenic implosion capabilities, leading to an extensive series carried out on the 60-beam OMEGA laser [T. R. Boehly et al., Opt. Commun. 133, 495 (1997)], is reviewed together with major advances in cryogenic target formation. A polar-drive concept has been developed that will enable direct-drive–ignition experiments to be performed on the National Ignition Facility [C. A. Haynam et al., Appl. Opt. 46 (16), 3276 (2007)]. The advantages offered by the alternative approaches of fast ignition and shock ignition and the issues associated with these concepts are described. The lessons learned from target-physics and implosion experiments are taken into account in ignition and high-gain target designs for laser wavelengths of 1/3 um and 1/4 um. Substantial advances in direct-drive inertial fusion reactor concepts are reviewed. Overall, the progress in scientific understanding over the past five decades has been enormous, to the point that inertial fusion energy using direct drive shows significant promise as a future environmentally attractive energy source.

  15. Direct-drive inertial confinement fusion: A review

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

    Craxton, R. S.; Anderson, K. S.; Boehly, T. R.; Goncharov, V. N.; Harding, D. R.; Knauer, J. P.; McCrory, R. L.; McKenty, P. W.; Meyerhofer, D. D.; Myatt, J. F.; et al

    2015-11-25

    In this study, the direct-drive, laser-based approach to inertial confinement fusion (ICF) is reviewed from its inception following the demonstration of the first laser to its implementation on the present generation of high-power lasers. The review focuses on the evolution of scientific understanding gained from target-physics experiments in many areas, identifying problems that were demonstrated and the solutions implemented. The review starts with the basic understanding of laser–plasma interactions that was obtained before the declassification of laser-induced compression in the early 1970s and continues with the compression experiments using infrared lasers in the late 1970s that produced thermonuclear neutrons. Themore »problem of suprathermal electrons and the target preheat that they caused, associated with the infrared laser wavelength, led to lasers being built after 1980 to operate at shorter wavelengths, especially 0.35 um—the third harmonic of the Nd:glass laser—and 0.248 um (the KrF gas laser). The main physics areas relevant to direct drive are reviewed. The primary absorption mechanism at short wavelengths is classical inverse bremsstrahlung. Nonuniformities imprinted on the target by laser irradiation have been addressed by the development of a number of beam-smoothing techniques and imprint-mitigation strategies. The effects of hydrodynamic instabilities are mitigated by a combination of imprint reduction and target designs that minimize the instability growth rates. Several coronal plasma physics processes are reviewed. The two-plasmon–decay instability, stimulated Brillouin scattering (together with cross-beam energy transfer), and (possibly) stimulated Raman scattering are identified as potential concerns, placing constraints on the laser intensities used in target designs, while other processes (self-focusing and filamentation, the parametric decay instability, and magnetic fields), once considered important, are now of lesser concern for mainline direct-drive target concepts. Filamentation is largely suppressed by beam smoothing. Thermal transport modeling, important to the interpretation of experiments and to target design, has been found to be non-local in nature. Advances in shock timing and equation-of-state measurements relevant to direct-drive ICF are reported. Room-temperature implosions have provided an increased understanding of the importance of stability and uniformity. The evolution of cryogenic implosion capabilities, leading to an extensive series carried out on the 60-beam OMEGA laser [T. R. Boehly et al., Opt. Commun. 133, 495 (1997)], is reviewed together with major advances in cryogenic target formation. A polar-drive concept has been developed that will enable direct-drive–ignition experiments to be performed on the National Ignition Facility [C. A. Haynam et al., Appl. Opt. 46 (16), 3276 (2007)]. The advantages offered by the alternative approaches of fast ignition and shock ignition and the issues associated with these concepts are described. The lessons learned from target-physics and implosion experiments are taken into account in ignition and high-gain target designs for laser wavelengths of 1/3 um and 1/4 um. Substantial advances in direct-drive inertial fusion reactor concepts are reviewed. Overall, the progress in scientific understanding over the past five decades has been enormous, to the point that inertial fusion energy using direct drive shows significant promise as a future environmentally attractive energy source.« less

  16. Estimates of rates and errors for measurements of direct-{gamma} and direct-{gamma} + jet production by polarized protons at RHIC

    SciTech Connect (OSTI)

    Beddo, M.E.; Spinka, H.; Underwood, D.G.

    1992-08-14

    Studies of inclusive direct-{gamma} production by pp interactions at RHIC energies were performed. Rates and the associated uncertainties on spin-spin observables for this process were computed for the planned PHENIX and STAR detectors at energies between {radical}s = 50 and 500 GeV. Also, rates were computed for direct-{gamma} + jet production for the STAR detector. The goal was to study the gluon spin distribution functions with such measurements. Recommendations concerning the electromagnetic calorimeter design and the need for an endcap calorimeter for STAR are made.

  17. Direct measurement and characterization of active photosynthesis...

    Office of Scientific and Technical Information (OSTI)

    process optimization. Authors: Bernstein, Hans C. ; Kesaano, Maureen ; Moll, Karen ; Smith, Terence ; Gerlach, Robin ; Carlson, Ross ; Miller, Charles D. ; Peyton, Brent ;...

  18. Direct Solid-State Conversion of Recyclable Metals and Alloys

    SciTech Connect (OSTI)

    Kiran Manchiraju

    2012-03-27

    Friction Stir Extrusion (FSE) is a novel energy-efficient solid-state material synthesis and recycling technology capable of producing large quantity of bulk nano-engineered materials with tailored, mechanical, and physical properties. The novelty of FSE is that it utilizes the frictional heating and extensive plastic deformation inherent to the process to stir, consolidate, mechanically alloy, and convert the powders, chips, and other recyclable feedstock materials directly into useable product forms of highly engineered materials in a single step (see Figure 1). Fundamentally, FSE shares the same deformation and metallurgical bonding principles as in the revolutionary friction stir welding process. Being a solid-state process, FSE eliminates the energy intensive melting and solidification steps, which are necessary in the conventional metal synthesis processes. Therefore, FSE is highly energy-efficient, practically zero emissions, and economically competitive. It represents a potentially transformational and pervasive sustainable manufacturing technology for metal recycling and synthesis. The goal of this project was to develop the technological basis and demonstrate the commercial viability of FSE technology to produce the next generation highly functional electric cables for electricity delivery infrastructure (a multi-billion dollar market). Specific focus of this project was to (1) establish the process and material parameters to synthesize novel alloys such as nano-engineered materials with enhanced mechanical, physical, and/or functional properties through the unique mechanical alloying capability of FSE, (2) verifying the expected major energy, environmental, and economic benefits of FSE technology for both the early stage 'showcase' electric cable market and the anticipated pervasive future multi-market applications across several industry sectors and material systems for metal recycling and sustainable manufacturing.

  19. Direct Imaging of Antiferromagnetic Vortex States

    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 BondingMeetingDifferences BetweenDirac ChargeSolarDirectDirect

  20. Direct Imaging of Antiferromagnetic Vortex States

    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 BondingMeetingDifferences BetweenDiracDirect Imaging ofDirect

  1. Direct Imaging of Antiferromagnetic Vortex States

    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 BondingMeetingDifferences BetweenDiracDirect ImagingDirect Imaging

  2. Direct Imaging of Asymmetric Magnetization Reversal

    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 BondingMeetingDifferences BetweenDiracDirect ImagingDirect

  3. Direct Imaging of Asymmetric Magnetization Reversal

    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 BondingMeetingDifferences BetweenDiracDirectDirect Imaging of

  4. Direct Imaging of Asymmetric Magnetization Reversal

    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 BondingMeetingDifferences BetweenDiracDirectDirect Imaging

  5. Direct Kinetic Measurements of a Criegee Intermediate

    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 BondingMeetingDifferences BetweenDiracDirectDirect

  6. Carbon nanotube formation by laser direct writing

    SciTech Connect (OSTI)

    Wu, Y.-T.; Su, H.-C.; Tsai, C.-M.; Liu, K.-L.; Chen, G.-D.; Huang, R.-H.; Yew, T.-R.

    2008-07-14

    This letter presents carbon nanotube (CNT) formation by laser direct writing using 248 nm KrF excimer pulsed laser in air at room temperature, which was applied to irradiate amorphous carbon (a-C) assisted by Ni catalysts underneath for the transformation of carbon species into CNTs. The CNTs were synthesized under appropriate combination of laser energy density and a-C thickness. The growth mechanism and key parameters to determine the success of CNT formation were also discussed. The demonstration of the CNT growth by laser direct writing in air at room temperature opens an opportunity of in-position CNT formation at low temperatures.

  7. Direct CP violation in B decays

    E-Print Network [OSTI]

    M. Kreps

    2008-07-01

    We review recent experimental results on direct CP violation. The hot topic is a measurement in charmless two-body decays of B0, B+. In connection to this the first analogous measurements in Bs0 and Lambda_b0 decays are now available. Furthermore first evidence for direct CP violation in B+ decays is obtained from Dalitz plot analyzes of the K+pi-pi+ final state at B-factories. The last group of discussed results probes the b -> c\\bar{c}d transition in attempt to resolve the discrepancy between Belle and BABAR experiments in CP violation in the B0 -> D+D- decays.

  8. Direct Kinetic Measurements of a Criegee Intermediate

    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 HAB PacketDiesel prices continueDileep Singh GroupDiracDirectDirect

  9. Direct Energy Services (Massachusetts) | 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 LISTStar2-0057-EA Jump to: navigation,Department ofEnergieSize HomeDirectDirect Energy

  10. First Direct Imaging of Swollen Microgel Particles

    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 likeUniverse (Journal Article) |Final Reportthe GrowingDirect Evidence of DiracDirect

  11. First Direct Imaging of Swollen Microgel Particles

    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 likeUniverse (Journal Article) |Final Reportthe GrowingDirect Evidence of DiracDirectFirst

  12. First Direct Imaging of Swollen Microgel Particles

    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 likeUniverse (Journal Article) |Final Reportthe GrowingDirect Evidence ofDirect Imaging of

  13. First Direct Imaging of Swollen Microgel Particles

    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 likeUniverse (Journal Article) |Final Reportthe GrowingDirect Evidence ofDirect Imaging

  14. First Direct Observation of Spinons and Holons

    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 likeUniverse (Journal Article) |Final Reportthe GrowingDirect Evidence ofDirect

  15. First Direct Observation of Spinons and Holons

    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 likeUniverse (Journal Article) |Final Reportthe GrowingDirect Evidence ofDirectFirst

  16. First Direct Observation of Spinons and Holons

    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 likeUniverse (Journal Article) |Final Reportthe GrowingDirect Evidence ofDirectFirstFirst

  17. DME-to-oxygenates process studies

    SciTech Connect (OSTI)

    Tartamella, T.L.; Sardesai, A.; Lee, S.; Kulik, C.J.

    1994-12-31

    The feasibility of the production of hydrocarbons from dimethyl ether (DNM) has been illustrated in a fixed bed micro-reactor as well as a bench scale fluidized bed reactor by the University of Akron/EPRI DME-to-Hydrocarbon (DTG) Process. The DTG process has distinct advantages over its methanol based counterpart. Specifically, the DTG process excels in the area of higher productivity, higher per-pass conversion, and lower heat duties than the MTG process. Also of special importance is the production of oxygenates -- including MTBE, ETBE, and TAME. DME may be reacted with isobutylene to produce a mixture of MTBE and ETBE. The properties of ETBE excel over MTBE in the areas of lower RVP and higher RON. According to industrial reports, MTBE is the fastest growing chemical (1992 US capacity 135,350 BPD, with expected growth of 34%/year to 1997). Also, recent renewed interest as an octane-enhancer and as a source of oxygen has spurred a growing interest in nonrefinery synthesis routes to ETBE. TAME, with its lower RVP and higher RON has proven useful as a gasoline blending agent and octane enhancer and may also be produced directly from DME. DME, therefore, serves as a valuable feedstock in the conversion of may oxygenates with wide-scale industrial importance. It should be also noted that the interest in the utilization of DME as process feedstock is based on the favorable process economics of EPRI/UA`s liquid phase DME process.

  18. Multiphoton processes: conference proceedings

    SciTech Connect (OSTI)

    Lambropoulos, P.; Smith, S.J. (eds.)

    1984-01-01

    The chapters of this volume represent the invited papers delivered at the conference. They are arranged according to thermatic proximity beginning with atoms and continuing with molecules and surfaces. Section headings include multiphoton processes in atoms, field fluctuations and collisions in multiphoton process, and multiphoton processes in molecules and surfaces. Abstracts of individual items from the conference were prepared separately for the data base. (GHT)

  19. TEP process flow diagram

    SciTech Connect (OSTI)

    Wilms, R Scott; Carlson, Bryan; Coons, James; Kubic, William

    2008-01-01

    This presentation describes the development of the proposed Process Flow Diagram (PFD) for the Tokamak Exhaust Processing System (TEP) of ITER. A brief review of design efforts leading up to the PFD is followed by a description of the hydrogen-like, air-like, and waterlike processes. Two new design values are described; the mostcommon and most-demanding design values. The proposed PFD is shown to meet specifications under the most-common and mostdemanding design values.

  20. Industrial process surveillance system

    DOE Patents [OSTI]

    Gross, K.C.; Wegerich, S.W.; Singer, R.M.; Mott, J.E.

    1998-06-09

    A system and method are disclosed for monitoring an industrial process and/or industrial data source. The system includes generating time varying data from industrial data sources, processing the data to obtain time correlation of the data, determining the range of data, determining learned states of normal operation and using these states to generate expected values, comparing the expected values to current actual values to identify a current state of the process closest to a learned, normal state; generating a set of modeled data, and processing the modeled data to identify a data pattern and generating an alarm upon detecting a deviation from normalcy. 96 figs.

  1. Industrial Process Surveillance System

    DOE Patents [OSTI]

    Gross, Kenneth C. (Bolingbrook, IL); Wegerich, Stephan W (Glendale Heights, IL); Singer, Ralph M. (Naperville, IL); Mott, Jack E. (Idaho Falls, ID)

    2001-01-30

    A system and method for monitoring an industrial process and/or industrial data source. The system includes generating time varying data from industrial data sources, processing the data to obtain time correlation of the data, determining the range of data, determining learned states of normal operation and using these states to generate expected values, comparing the expected values to current actual values to identify a current state of the process closest to a learned, normal state; generating a set of modeled data, and processing the modeled data to identify a data pattern and generating an alarm upon detecting a deviation from normalcy.

  2. Industrial process surveillance system

    DOE Patents [OSTI]

    Gross, Kenneth C. (Bolingbrook, IL); Wegerich, Stephan W. (Glendale Heights, IL); Singer, Ralph M. (Naperville, IL); Mott, Jack E. (Idaho Falls, ID)

    1998-01-01

    A system and method for monitoring an industrial process and/or industrial data source. The system includes generating time varying data from industrial data sources, processing the data to obtain time correlation of the data, determining the range of data, determining learned states of normal operation and using these states to generate expected values, comparing the expected values to current actual values to identify a current state of the process closest to a learned, normal state; generating a set of modeled data, and processing the modeled data to identify a data pattern and generating an alarm upon detecting a deviation from normalcy.

  3. Continuous sulfur removal process

    DOE Patents [OSTI]

    Jalan, deceased, Vinod (late of Concord, MA); Ryu, Jae (Cambridge, MA)

    1994-01-01

    A continuous process for the removal of hydrogen sulfide from a gas stream using a membrane comprising a metal oxide deposited on a porous support is disclosed.

  4. Milestone Plan Process Improvement

    Office of Environmental Management (EM)

    community's concern over the milestone plan (MP) process within the system, the STRIPES Project Office initiated an in-depth evaluation of the required steps and issues...

  5. Living olefin polymerization processes

    DOE Patents [OSTI]

    Schrock, R.R.; Baumann, R.

    1999-03-30

    Processes for the living polymerization of olefin monomers with terminal carbon-carbon double bonds are disclosed. The processes employ initiators that include a metal atom and a ligand having two group 15 atoms and a group 16 atom or three group 15 atoms. The ligand is bonded to the metal atom through two anionic or covalent bonds and a dative bond. The initiators are particularly stable under reaction conditions in the absence of olefin monomer. The processes provide polymers having low polydispersities, especially block copolymers having low polydispersities. It is an additional advantage of these processes that, during block copolymer synthesis, a relatively small amount of homopolymer is formed.

  6. Cooking with Processed Cheese 

    E-Print Network [OSTI]

    Anding, Jenna

    2008-12-09

    This fact sheet describes the nutritional value and safe storage of processed cheese, a commodity food. It also offers food preparation ideas.

  7. AVLIS modified direct denitration: UO{sub 3} powder evaluation

    SciTech Connect (OSTI)

    Slagle, O.D.; Davis, N.C.; Parchen, L.J.

    1994-02-01

    The evaluation study demonstrated that AVLIS-enriched uranium converted to UO{sub 3} can be used to prepare UO{sub 3} pellets having densities in the range required for commercial power reactor fuel. Specifically, the program has demonstrated that MDD (Modified Direct Denitration)-derived UO{sub 2} powders can be reduced to sinterable UO{sub 2} powder using reduction techniques that allow control of the final powder characteristics; the resulting UO{sub 2} powders can be processed/sintered using standard powder preparation and pellet fabrication techniques to yield pellets with densities greater than 96% TD; pellet microstructures appear similar to those of power reactor fuel, and because of the high final pellet densities, it is expected that they would remain stable during in-reactor operation; the results of the present study confirm the results of a similar study carried out in 1982 (Davis and Griffin 1992). The laboratory processes were selected on the basis that they could be scaled up to standard commercial fuel processing. However, larger scale testing may be required to establish techniques compatible with commercial fuel fabrication techniques.

  8. A direct approach to quantifying organic matter lost as a result of peatland wildfire

    E-Print Network [OSTI]

    Turetsky, Merritt

    or biomass loss during fire or of changes in carbon emissions following fire in peatlands (Zoltai et al. 1998 combustion as well as post-disturbance ef- fects on biogeochemical processes directly involved in carbon than 20% of the emis- sions linked to global biomass burning. Many studies have recorded long

  9. Artificial Intelligence 196 (2013) 106142 Contents lists available at SciVerse ScienceDirect

    E-Print Network [OSTI]

    De Giacomo, Giuseppe

    2013-01-01

    Direct Artificial Intelligence www.elsevier.com/locate/artint Automatic behavior composition synthesis Giuseppe De a painting blocks world scenario in which blocks are painted and processed by different robotic arms; different behaviors stand for different types of arms (e.g., a grip- per, a painting arm, a cleaner arm, etc

  10. Journal of Power Sources 195 (2010) 18411844 Contents lists available at ScienceDirect

    E-Print Network [OSTI]

    2010-01-01

    power generation of carbon fiber brushes: acid soaking (CF-A), heating (CF-H), and a combination of both processes (CF- AH). The combined heat and acid treatment improve power production to 1370 mW m-2 , whichJournal of Power Sources 195 (2010) 1841­1844 Contents lists available at ScienceDirect Journal

  11. Direct Writing of Half-Meter Long CNT Based Fiber for Flexible Electronics

    E-Print Network [OSTI]

    Cui, Yi

    Direct Writing of Half-Meter Long CNT Based Fiber for Flexible Electronics Sihan Huang, Chunsong blocks for flexible electronic devices. We demon- strated that, by a simple hand-writing process, carbon: Ultralong fibers, aligned CNTs, controlled assembly, flexible electronics Flexibility of electronic devices

  12. Journal of Manufacturing Systems 26 (2007) 116134 Contents lists available at ScienceDirect

    E-Print Network [OSTI]

    Paschalidis, Ioannis "Yannis"

    2007-01-01

    , zero in-process inventory, lean manufacturing, and so on). Finally, supplier­consumer informationJournal of Manufacturing Systems 26 (2007) 116­134 Contents lists available at ScienceDirect Journal of Manufacturing Systems journal homepage: www.elsevier.com/locate/jmansys Technical paper

  13. Sentiment Sentence Extraction Using a Hierarchical Directed Acyclic Graph Structure and a Bootstrap Approach *

    E-Print Network [OSTI]

    Sentiment Sentence Extraction Using a Hierarchical Directed Acyclic Graph Structure and a Bootstrap on the Web. We obtain a huge number of review documents that include user's opinions for products. To classify the opinions is one of the hottest topics in natural language processing. In general, we need

  14. DNA BARCODING Tissue-direct PCR, a rapid and extraction-free method

    E-Print Network [OSTI]

    DNA BARCODING Tissue-direct PCR, a rapid and extraction-free method for barcoding of ferns F-W. LI gametophytes and young sporophytes often provide too little material for DNA extraction and are particularly. in press). DNA extraction has always been the first step in the DNA barcoding process. However, in practice

  15. Accepted Manuscript Rational Design and Direct Fabrication of Multi-walled hollow electrospun fi-

    E-Print Network [OSTI]

    Yanikoglu, Berrin

    -shell structures, hollow fibers, multilayers, tri-axial electrospinning Abstract Multi-walled hollow fibers with a novel architecture are fabricated through utilizing a direct, one-step tri-axial electrospinning process an ideal multi-walled hollow electrospun fiber is shown to be producible by tri-axial electrospinning

  16. CLASSIFICATION OF BIOMEDICAL HIGH-RESOLUTION MICRO-CT IMAGES FOR DIRECT VOLUME RENDERING

    E-Print Network [OSTI]

    López-Sánchez, Maite

    CLASSIFICATION OF BIOMEDICAL HIGH-RESOLUTION MICRO-CT IMAGES FOR DIRECT VOLUME RENDERING Maite L of biomedical high- resolution 3D images. More concretely, it proposes a learn- ing pipeline process and refinements. KEYWORDS Machine Learning, Biomedical 3D Images, Classification, CRF (Conditional Random Fields

  17. Evaluation of coal liquids in a single cylinder direct-injection, stratified-charge engine

    SciTech Connect (OSTI)

    Roby, R.J.; Freeman, L.E.; Harrington, J.A.; Chui, G.K.; Tallent, W.D.

    1981-10-01

    Indicated specific energy consumption and exhaust emissions were measured for three coal-derived liquids in a direct injection, stratified-charge (PROCO) engine. The three fuels were obtained from different coal refining processes. One of the fuels met current gasoline specifications while the other two had volatilities somewhat below the specification and were more typical of some current gasoline blending components. 6 refs.

  18. Selective Chemical Vapor Deposition of Platinum and Palladium Directed by Monolayers Patterned Using

    E-Print Network [OSTI]

    Girolami, Gregory S.

    , and bis(hexafluoroacetylacetonato)palladium(II), Pd- (hfac)2, in the presence of hydrogen. This processSelective Chemical Vapor Deposition of Platinum and Palladium Directed by Monolayers Patterned 61801 Received February 18, 1997. In Final Form: May 5, 1997X High-purity platinum and palladium thin

  19. NEET-AMM Final Technical Report on Laser Direct Manufacturing (LDM) for Nuclear Power Components

    SciTech Connect (OSTI)

    Anderson, Scott [LM Baca, Georgina [LM O'Connor, Michael

    2015-12-31

    Final technical report summarizes the program progress and technical accomplishments of the Laser Direct Manufacturing (LDM) for Nuclear Power Components project. A series of experiments varying build process parameters (scan speed and laser power) were conducted at the outset to establish the optimal build conditions for each of the alloys. Fabrication was completed in collaboration with Quad City Manufacturing Laboratory (QCML). The density of all sample specimens was measured and compared to literature values. Optimal build process conditions giving fabricated part densities close to literature values were chosen for making mechanical test coupons. Test coupons whose principal axis is on the x-y plane (perpendicular to build direction) and on the z plane (parallel to build direction) were built and tested as part of the experimental. Investigations are described 316L SS, Inconel 600, 718 and 800 and ODS SS (Yttria) alloys.

  20. Chemical process hazards analysis

    SciTech Connect (OSTI)

    1996-02-01

    The Office of Worker Health and Safety (EH-5) under the Assistant Secretary for the Environment, Safety and Health of the US Department (DOE) has published two handbooks for use by DOE contractors managing facilities and processes covered by the Occupational Safety and Health Administration (OSHA) Rule for Process Safety Management of Highly Hazardous Chemicals (29 CFR 1910.119), herein referred to as the PSM Rule. The PSM Rule contains an integrated set of chemical process safety management elements designed to prevent chemical releases that can lead to catastrophic fires, explosions, or toxic exposures. The purpose of the two handbooks, ``Process Safety Management for Highly Hazardous Chemicals`` and ``Chemical Process Hazards Analysis,`` is to facilitate implementation of the provisions of the PSM Rule within the DOE. The purpose of this handbook ``Chemical Process Hazards Analysis,`` is to facilitate, within the DOE, the performance of chemical process hazards analyses (PrHAs) as required under the PSM Rule. It provides basic information for the performance of PrHAs, and should not be considered a complete resource on PrHA methods. Likewise, to determine if a facility is covered by the PSM rule, the reader should refer to the handbook, ``Process Safety Management for Highly Hazardous Chemicals`` (DOE- HDBK-1101-96). Promulgation of the PSM Rule has heightened the awareness of chemical safety management issues within the DOE. This handbook is intended for use by DOE facilities and processes covered by the PSM rule to facilitate contractor implementation of the PrHA element of the PSM Rule. However, contractors whose facilities and processes not covered by the PSM Rule may also use this handbook as a basis for conducting process hazards analyses as part of their good management practices. This handbook explains the minimum requirements for PrHAs outlined in the PSM Rule. Nowhere have requirements been added beyond what is specifically required by the rule.