National Library of Energy BETA

Sample records for netherlands antil les

  1. Netherlands Antilles: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    country in North America. External Links Netherlands Antilles Renewable Energy Data from IEA Netherlands Antilles Contacts from Climate-Eval LowCarbonWorld Profile for Netherlands...

  2. Netherlands Climate Assistance Program | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    search Name: Netherlands Climate Assistance Program Address: ETC International P.O.Box 64, 3830 AB Place: Leusden, Netherlands Phone Number: 31 (0) 33 432 6000 Website:...

  3. Netherlands: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    and Wind Energy Resource Atlas for Netherlands. 3 Programs IEA Renewable Energy Technology Deployment ECN-NREL Collaboration Action Plan for Forest Law Enforcement Governance...

  4. Landfill Energy Systems LES | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Energy Systems LES Jump to: navigation, search Name: Landfill Energy Systems (LES) Place: Michigan Zip: 48393 Product: Landfill gas to energy systems project developer, gas...

  5. Pathways to Solar Hydrogen Technologies Leiden, The Netherlands...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Pathways to Solar Hydrogen Technologies Leiden, The Netherlands) Pathways to Solar Hydrogen Technologies Leiden, The Netherlands) Mon, Jun 13, 2016 11:30am 11:30 Fri, Jun 17, 2016 ...

  6. The Netherlands Climate Assistance Programme | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search Name: The Netherlands Climate Assistance Programme Address: P.O.Box 64, 3830 AB Place: Leusden, The Netherlands Phone Number: +31 (0) 33 432 6000...

  7. Pathways to Solar Hydrogen Technologies (Leiden, The Netherlands) - JCAP

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Pathways to Solar Hydrogen Technologies (Leiden, The Netherlands) Pathways to Solar Hydrogen Technologies (Leiden, The Netherlands) Mon, Jun 13, 2016 11:30am 11:30 Fri, Jun 17, 2016 12:30pm 12:30 Lorentz Center, Leiden, The Netherlands Frances Houle, "Materials Research toward Technology Development" May 29 229th Electrochemical Society (ECS) Meeting (San Diego, CA) June 14 20th Annual Green Chemistry & Engineering Conference (Portland, OR

  8. Large Eddy Simulation (LES) of Engines

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Reacting FlowModelingLarge Eddy Simulation (LES) of ... The integrated set of tasks provides an optimal combination ... models for a variety of propulsion and power devices

  9. Energy R and D in the Netherlands

    SciTech Connect

    EEM Luiten; JJ Dooley; K Blok

    1999-09-07

    This report documents trends in R and D and in particular (public) energy R and D in the Netherlands. Besides quantitative information on R and D and energy R and D, the report gives an impression of changes in science and technology policy, energy policy and changes in energy research priorities (both organizational and financial). In the Netherlands, 2.09% of GDP (or $6.7 billion) was invested in R and D activities in 1995. The private sector financed 46% of all R and D in that year. A small but significant fraction (9.3%) of the research performed in the Netherlands is financed by foreign public and private sector entities. Energy R and D has been identified by the national Strategic Foresight Activity as an important area of R and D for government support in the future. This is due in part to the overall decline in public support for energy R and D that occurred from 1985 to 1995. However, recent concern over climate change and energy policy has resulted in increased budgets for energy R and D. Recent policy documents (e.g., the Memorandum on Energy R and D in April 1998) and initiatives (e.g., a recent university energy R and D program; intensification of climate policy, partly in R and D) indicate the growing interest in addressing the issue of climate change partly through energy R and D. The Dutch government believes that the liberalization of the energy market in the Netherlands justifies an active role for the government to guarantee the longer-term transformation to a sustainable energy system. In terms of climate policy, the expanded and more efficient use of natural gas is seen as a suitable transition option towards a sustainable energy system. However, energy efficiency (and in particular energy efficiency in the industrial sector) and the introduction of renewable technologies (solar energy, wind energy and biomass) are generally favored for the long term. Recently, additional funding was allocated for research on industrial ''breakthrough

  10. Sandia Energy - Large Eddy Simulation (LES) of Engines

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Large Eddy Simulation (LES) of Engines Home Transportation Energy Predictive Simulation of Engines Engine Combustion Modeling Large Eddy Simulation (LES) of Engines Large Eddy...

  11. Large Eddy Simulation (LES) Applied to Advanced Engine Combustion...

    Energy.gov [DOE] (indexed site)

    Large Eddy Simulation (LES) Applied to Advanced Engine Combustion Research Large Eddy Simulation (LES) Applied to Low-Temperature and Diesel Engine Combustion Research Vehicle ...

  12. LES' URENCO-USA Facility | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    LES' URENCO-USA Facility LES' URENCO-USA Facility PowerPoint slides on LES's URENCO-USA Facility LES' URENCO-USA Facility (581.43 KB) More Documents & Publications Excess Uranium Management 2014 Review of the Potential Impact of DOE Excess Uranium Inventory On the Commercial Markets Memorandum Memorializing Ex Parte Communication

  13. Landfill reduction experience in The Netherlands

    SciTech Connect

    Scharff, Heijo

    2014-11-15

    Highlights: • ‘Zero waste’ initiatives never consider risks, side effects or experience of achieved low levels of landfill. • This paper provides insight into what works and what not. • Where strong gradients in regulations and tax occur between countries, waste will find its way to landfills across borders. • Strong landfill reduction can create a fierce competition over the remaining waste to be landfilled resulting in losses. • At some point a public organisation should take responsibility for the operation of a ‘safety net’ in waste management. - Abstract: Modern waste legislation aims at resource efficiency and landfill reduction. This paper analyses more than 20 years of landfill reduction in the Netherlands. The combination of landfill regulations, landfill tax and landfill bans resulted in the desired landfill reduction, but also had negative effects. A fierce competition developed over the remaining waste to be landfilled. In 2013 the Dutch landfill industry generated €40 million of annual revenue, had €58 million annual costs and therefore incurred an annual loss of €18 million. It is not an attractive option to prematurely end business. There is a risk that Dutch landfill operators will not be able to fulfil the financial obligations for closure and aftercare. Contrary to the polluter pays principle the burden may end up with society. EU regulations prohibiting export of waste for disposal are in place. Strong differentials in landfill tax rate between nations have nevertheless resulted in transboundary shipment of waste and in non-compliance with the self-sufficiency and proximity principles. During the transformation from a disposal society to a recycling society, it is important to carefully plan required capacity and to guide the reorganisation of the landfill sector. At some point, it is no longer profitable to provide landfill services. It may be necessary for public organisations or the state to take responsibility for the

  14. Large Eddy Simulation (LES) Applied to Advanced Engine Combustion Research

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    | Department of Energy Advanced Engine Combustion Research Large Eddy Simulation (LES) Applied to Advanced Engine Combustion Research 2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting ace007_oefelein_2012_o.pdf (6.57 MB) More Documents & Publications Large Eddy Simulation (LES) Applied to Advanced Engine Combustion Research Large Eddy Simulation (LES) Applied to Low-Temperature and Diesel

  15. Massively Parallel LES of Azimuthal Thermo-Acoustic Instabilities...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Massively Parallel LES of Azimuthal Thermo-Acoustic Instabilities in Annular Gas Turbines Authors: Wolf, P., Staffelbach, G., Roux, A., Gicquel, L., Poinsot, T., Moureau, V. ...

  16. Using LES to Study Reacting Flows and Instabilities in Annular...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Using LES to Study Reacting Flows and Instabilities in Annular Combustion Chambers Authors: Staffelbach, G., Wolf, P., Roux, A., Poinsot, T., Balakrishnan, R. Great prominence is ...

  17. LASSO: Tying ARM Data and LES Modeling Together to Improve Climate...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    LASSO: Tying ARM Data and LES Modeling Together to Improve Climate Science New Routine Modeling The pilot modeling project, called LASSO-the LES ARM Symbiotic Simulation and...

  18. Large Eddy Simulation (LES) Applied to Low-Temperature and Diesel...

    Energy.gov [DOE] (indexed site)

    More Documents & Publications Large Eddy Simulation (LES) Applied to LTCDieselHydrogen Engine Combustion Research Large Eddy Simulation (LES) Applied to Advanced Engine ...

  19. Large Eddy Simulation (LES) Applied to LTC/Diesel/Hydrogen Engine...

    Energy.gov [DOE] (indexed site)

    More Documents & Publications Large Eddy Simulation (LES) Applied to Low-Temperature and Diesel Engine Combustion Research Large Eddy Simulation (LES) Applied to LTCDiesel...

  20. Large Eddy Simulation (LES) Applied to LTC/Diesel/Hydrogen Engine...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ace007oefelein2010o.pdf More Documents & Publications Large Eddy Simulation (LES) Applied to Low-Temperature and Diesel Engine Combustion Research Large Eddy Simulation (LES)...

  1. ARM - LES ARM Symbiotic Simulation and Observation Workflow

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ThemesLES ARM Symbiotic Simulation and Observation Workflow LASSO Information LASSO Home LASSO Backgrounder Pilot Phase Begins for Routine Large-Eddy Simulations Pilot Project Timeline Presentations News Science LASSO Implementation Strategy LASSO Pilot Project Releases Related Information ARM Decadal Vision Archive of LASSO Information e-mail list Contacts William Gustafson, Lead Principal Investigator Andrew Vogelmann, Co-Principal Investigator Hanna Goss, Media Contact LES ARM Symbiotic

  2. A filtered tabulated chemistry model for LES of premixed combustion

    SciTech Connect

    Fiorina, B.; Auzillon, P.; Darabiha, N.; Gicquel, O.; Veynante, D.; Vicquelin, R.

    2010-03-15

    A new modeling strategy called F-TACLES (Filtered Tabulated Chemistry for Large Eddy Simulation) is developed to introduce tabulated chemistry methods in Large Eddy Simulation (LES) of turbulent premixed combustion. The objective is to recover the correct laminar flame propagation speed of the filtered flame front when subgrid scale turbulence vanishes as LES should tend toward Direct Numerical Simulation (DNS). The filtered flame structure is mapped using 1-D filtered laminar premixed flames. Closure of the filtered progress variable and the energy balance equations are carefully addressed in a fully compressible formulation. The methodology is first applied to 1-D filtered laminar flames, showing the ability of the model to recover the laminar flame speed and the correct chemical structure when the flame wrinkling is completely resolved. The model is then extended to turbulent combustion regimes by including subgrid scale wrinkling effects in the flame front propagation. Finally, preliminary tests of LES in a 3-D turbulent premixed flame are performed. (author)

  3. Locally Employed Staff (LES)/Foreign Service National (FSN) of the Year

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Award | Department of Energy Locally Employed Staff (LES)/Foreign Service National (FSN) of the Year Award Locally Employed Staff (LES)/Foreign Service National (FSN) of the Year Award The Locally Employed Staff (LES)/Foreign Service National (FSN) of the Year Award is designed to recognize special contributions made by the Department's LES/FSN's in achieving the U.S. Department of Energy's (DOE) and United States Government's (USG) foreign policy goals and objectives. The LES/FSN of the

  4. LES Modeling of High Resolution Satellite Cloud Spatial and Thermal

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Structure at ARM-SGP site: How well can we Simulate Clouds from Space? LES Modeling of High Resolution Satellite Cloud Spatial and Thermal Structure at ARM-SGP site: How well can we Simulate Clouds from Space? Dubey, Manvendra DOE/Los Alamos National Laboratory Chylek, Petr DOE/Los Alamos National Laboratory Reisner, Jon Los Alamos National Laboratory Porch, William Los Alamos National Laboratory Category: Cloud Properties We report high fidelity observations of the spatial and thermal

  5. Microsoft PowerPoint - wrf_les_2007_zhu.ppt [Compatibility Mode]

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    LES Testbed Prototype: ARM LES Testbed Prototype: Multi-Scale WRF Simulations of Boundary Layer Clouds Ping Zhu Florida International University Pavlos Kollias Brookhaven National Laboratory Bruce Albrecht University of Miami What is ARM-LES-Testbed ? It is structured to provide a framework for effectively organizing and using the extensive data generated by the ARM radars and other ARM observing systems for boundary layer cloud studies and for evaluating high resolution simulations. GCM/ PAR

  6. Development of the Permian-Triassic sequence in the basin Fringe area, southern Netherlands

    SciTech Connect

    Geluk, M.; Van Doorn, D.; Plomp, A.; Duin, E. )

    1993-09-01

    Geological studies in the fringe area of the southern Permian basin led to new insights in the distribution and development of the Permian-Triassic sequence. During the Permian, the fringe area formed a platform, attached to the London-Brabant Massif, while during the Triassic it is characterized by strongly subsiding half grabens. In the southern Netherlands, Rotliegende sandstones and conglomerates have a much wider distribution than previously recognized. The Rotliegende deposits are capped by claystones and carbonates of the Upper Permian Zechstein. In the offshore, an important feeder system of clastics from the London-Brabant Massif was active during deposition of the Rotliegende and the Zechstein. In course of time, the location of major sandstone deposition shifted westward. Deposition of the Triassic Buntsandstein was controlled by the development of a large feeder system, which transported clastics from the Vosges northward, through the Roer Valley Graben and West netherlands Basin into the Off Holland Low. This system was responsible for the deposition of the economically important sheet sandstones of the Volpriehausen, Detfurth, Hardegsen, and Solling formations. A regional unconformity occurs below the Solling Formation. The sandstones are capped by claystones, evaporites, and sandstones of the Rot Formation. During deposition of the Muschelkalk, the differences in subsidence decreased and shallow marine sediments are interbedded with evaporites. Several unconformities occur within the Keuper. In the previous half grabens in the southern Netherlands, the Keuper is incomplete, which may be indicative for a possible reversal of the tectonic movements during this period.

  7. From LES to DNS of Explosions in Semi-confined Domains | Argonne...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Pierre Wolf, Turbomeca and CERFACS From LES to DNS of Explosions in Semi-confined Domains PI Name: Thierry Poinsot PI Email: poinsot@cerfacs.fr Institution: CERFACS Allocation ...

  8. Large Eddy Simulation (LES) Applied to LTC/Diesel/Hydrogen Engine

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Combustion Research | Department of Energy LTC/Diesel/Hydrogen Engine Combustion Research Large Eddy Simulation (LES) Applied to LTC/Diesel/Hydrogen Engine Combustion Research 2009 DOE Hydrogen Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting, May 18-22, 2009 -- Washington D.C. ace_07_oefelein.pdf (4.03 MB) More Documents & Publications Large Eddy Simulation (LES) Applied to Low-Temperature and Diesel Engine Combustion Research Large Eddy

  9. LES ARM Symbiotic Simulation and Observation (LASSO) Implementation Strategy

    SciTech Connect

    Gustafson Jr., WI; Vogelmann, AM

    2015-09-01

    This document illustrates the design of the Large-Eddy Simulation (LES) ARM Symbiotic Simulation and Observation (LASSO) workflow to provide a routine, high-resolution modeling capability to augment the U.S. Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) Climate Research Facility’s high-density observations. LASSO will create a powerful new capability for furthering ARM’s mission to advance understanding of cloud, radiation, aerosol, and land-surface processes. The combined observational and modeling elements will enable a new level of scientific inquiry by connecting processes and context to observations and providing needed statistics for details that cannot be measured. The result will be improved process understanding that facilitates concomitant improvements in climate model parameterizations. The initial LASSO implementation will be for ARM’s Southern Great Plains site in Oklahoma and will focus on shallow convection, which is poorly simulated by climate models due in part to clouds’ typically small spatial scale compared to model grid spacing, and because the convection involves complicated interactions of microphysical and boundary layer processes.

  10. LES SOFTWARE FOR THE DESIGN OF LOW EMISSION COMBUSTION SYSTEMS FOR VISION 21 PLANTS

    SciTech Connect

    Steve Cannon; Baifang Zuo; Virgil Adumitroaie; Keith McDaniel; Cliff Smith

    2002-01-01

    Further development of a combustion Large Eddy Simulation (LES) code for the design of advanced gaseous combustion systems is described in this fifth quarterly report. CFD Research Corporation (CFDRC) is developing the LES module within the parallel, unstructured solver included in the commercial CFD-ACE+ software. In this quarter, in-situ adaptive tabulation (ISAT) for efficient chemical rate storage and retrieval was further tested in the LES code. The use of multiple trees and periodic tree dumping was investigated. Implementation of the Linear Eddy Model (LEM) for subgrid chemistry was finished for serial applications. Validation of the model on a backstep reacting case was performed. Initial calculations of the SimVal experiment were performed for various barrel lengths, equivalence ratio, combustor shapes, and turbulence models. The effects of these variables on combustion instability was studied. Georgia Tech continues the effort to parameterize the LEM over composition space so that a neural net can be used efficiently in the combustion LES code. Next quarter, the 2nd consortium meeting will be held at CFDRC. LES software development and testing will continue. Alpha testing of the code will be performed on cases of interest to the industrial consortium. Optimization of subgrid models will be pursued, particularly with the ISAT approach. Also next quarter, the demonstration of the neural net approach, for chemical kinetics speed-up in CFD-ACE+, should be accomplished.

  11. LES SOFTWARE FOR THE DESIGN OF LOW EMISSION COMBUSTION SYSTEMS FOR VISION 21 PLANTS

    SciTech Connect

    Steven Cannon; Baifang Zuo; Virgil Adumitroaie; Keith McDaniel; Clifford Smith

    2002-04-30

    Further development of a combustion Large Eddy Simulation (LES) code for the design of advanced gaseous combustion systems is described in this sixth quarterly report. CFD Research Corporation (CFDRC) is developing the LES module within the parallel, unstructured solver included in the commercial CFD-ACE+ software. In this quarter, in-situ adaptive tabulation (ISAT) for efficient chemical rate storage and retrieval was implemented and tested within the Linear Eddy Model (LEM). ISAT type 3 is being tested so that extrapolation can be performed and further improve the retrieval rate. Further testing of the LEM for subgrid chemistry was performed for parallel applications and for multi-step chemistry. Validation of the software on backstep and bluff-body reacting cases were performed. Initial calculations of the SimVal experiment at Georgia Tech using their LES code were performed. Georgia Tech continues the effort to parameterize the LEM over composition space so that a neural net can be used efficiently in the combustion LES code. A new and improved Artificial Neural Network (ANN), with log-transformed output, for the 1-step chemistry was implemented in CFDRC's LES code and gave reasonable results. This quarter, the 2nd consortium meeting was held at CFDRC. Next quarter, LES software development and testing will continue. Alpha testing of the code will continue to be performed on cases of interest to the industrial consortium. Optimization of subgrid models will be pursued, particularly with the ISAT approach. Also next quarter, the demonstration of the neural net approach, for multi-step chemical kinetics speed-up in CFD-ACE+, will be accomplished.

  12. LES SOFTWARE FOR THE DESIGN OF LOW EMISSION COMBUSTION SYSTEMS FOR VISION 21 PLANTS

    SciTech Connect

    Clifford Smith

    2003-09-01

    Application and testing of the new combustion Large Eddy Simulation (LES) code for the design of advanced gaseous combustion systems is described in this 12th quarterly report. In this quarter, continued validation and testing of the combustion LES code was performed for the DOE-SimVal combustor. Also, beta testing by six consortium members was performed for various burner and combustor configurations. A list of suggested code improvements by the beta testers was itemized. Work will continue in FY04. A conditional modification to the contract will be granted. The additional work will focus on modeling/analyzing the SimVal experiments.

  13. The screening and scoping of Environmental Impact Assessment and Strategic Environmental Assessment of Carbon Capture and Storage in the Netherlands

    SciTech Connect

    Koornneef, J.; Faaij, A.; Turkenburg, W.

    2008-08-15

    The Environmental Impact Assessment (EIA) and Strategic Environmental Assessment (SEA) are procedural tools which have as goal to assess and evaluate possible environmental effects of, respectively, a proposed project or policy plan. The goal of this article is to explore possible bottlenecks in applying both the EIA and SEA procedures on Carbon Capture and Storage (CCS) activities in the Netherlands, as experience is currently minimal or lacking. In this study we focus mainly on the institutional and procedural aspects of the screening and scoping phases of both procedures. This is achieved by reviewing EIA and SEA procedures for analogue projects for the three distinctive process steps of a CCS project, namely the power plant with capture, the transport and finally the underground storage of the CO{sub 2}. Additionally, EIA and SEA or similar procedures on CCS in other countries are reviewed and the legal framework for the Dutch EIA and SEA is studied. This article shows a concise overview of the EIA and SEA procedure in the Netherlands and the relation between both procedures. Based on our findings we have constructed a conceptual taxonomy for the scope of both procedures for CCS in the Netherlands. This taxonomy conceptualizes the possible integration of assessing the environmental impacts for tiered levels of decision making. This integration might be needed for first CCS projects as decisions on the strategic (spatial planning) level are currently absent for CCS in the Netherlands. Perpendicular to such integration is the integration of linked activities in the CCS chain and their alternatives, into one procedure. We argue that it would be beneficial to combine the separate EIA procedures for CCS activities into one procedure or at least provide close linkage between them.

  14. LES SOFTWARE FOR THE DESIGN OF LOW EMISSION COMBUSTION SYSTEMS FOR VISION 21 PLANTS

    SciTech Connect

    Steven Cannon; Clifford Smith

    2003-04-01

    Application and testing of the new combustion Large Eddy Simulation (LES) code for the design of advanced gaseous combustion systems is described in this 10th quarterly report. CFD Research Corporation has developed the LES module within the parallel, unstructured solver included in the commercial CFD-ACE+ software. In this quarter, validation and testing of the combustion LES code was performed for the DOE-Simval combustor. Also, Beta testing by consortium members was performed for various burner and combustor configurations. In the two quarters ahead, CFDRC will validate the code on the new DOE SimVal experiments. Experimental data from DOE should be available in June 2003, though LES calculations are currently being performed. This will ensure a truly predictive test of the software. CFDRC will also provide help to the consortium members on running their cases, and incorporate improvements to the software suggested by the beta testers. The beta testers will compare their predictions with experimental measurements and other numerical calculations. At the end of this project (October, 2003), a final released version of the software will be available for licensing to the general public.

  15. Comparison of concepts for thermal biomass utilization, with the example of the Netherlands

    SciTech Connect

    Spliethoff, H.

    2004-07-01

    Biomass and waste, which are the focus of the activities at the Thermal Power Engineering section of the TU Delft, are the most important renewable energies today. They will maintain their role in the future. There are different ways to convert biomass and waste to power and heat. The combustion of biomass can be considered state-of-the-art technology and plants ranging in capacity from a few kW up to several MW are available on the market. The selection of the combustion technology is dependent on the scale and the kind of biomass. Power can be produced by means of a steam turbine, which is attractive in units above 1 MW. Gasification, in contrast, is a technology that has yet to find a wide use. But, in combination with gas engines, gas turbines or fuel cells, gasification has the advantage of a high electrical efficiency. Direct co-combustion of biomass in coal-fired steam power plants is the most economic choice and it is widely applied in the Netherlands. By an additional pyrolysis or gasification step, it is possible to separately remove and utilize the ashes of coal and biomass, and expected operational problems, such as corrosion, can possibly be avoided. 3 refs., 4 figs., 2 tabs.

  16. LES SOFTWARE FOR THE DESIGN OF LOW EMISSION COMBUSTION SYSTEMS FOR VISION 21 PLANTS

    SciTech Connect

    Clifford E. Smith; Steven M. Cannon; Virgil Adumitroaie; David L. Black; Karl V. Meredith

    2005-01-01

    In this project, an advanced computational software tool was developed for the design of low emission combustion systems required for Vision 21 clean energy plants. Vision 21 combustion systems, such as combustors for gas turbines, combustors for indirect fired cycles, furnaces and sequestrian-ready combustion systems, will require innovative low emission designs and low development costs if Vision 21 goals are to be realized. The simulation tool will greatly reduce the number of experimental tests; this is especially desirable for gas turbine combustor design since the cost of the high pressure testing is extremely costly. In addition, the software will stimulate new ideas, will provide the capability of assessing and adapting low-emission combustors to alternate fuels, and will greatly reduce the development time cycle of combustion systems. The revolutionary combustion simulation software is able to accurately simulate the highly transient nature of gaseous-fueled (e.g. natural gas, low BTU syngas, hydrogen, biogas etc.) turbulent combustion and assess innovative concepts needed for Vision 21 plants. In addition, the software is capable of analyzing liquid-fueled combustion systems since that capability was developed under a concurrent Air Force Small Business Innovative Research (SBIR) program. The complex physics of the reacting flow field are captured using 3D Large Eddy Simulation (LES) methods, in which large scale transient motion is resolved by time-accurate numerics, while the small scale motion is modeled using advanced subgrid turbulence and chemistry closures. In this way, LES combustion simulations can model many physical aspects that, until now, were impossible to predict with 3D steady-state Reynolds Averaged Navier-Stokes (RANS) analysis, i.e. very low NOx emissions, combustion instability (coupling of unsteady heat and acoustics), lean blowout, flashback, autoignition, etc. LES methods are becoming more and more practical by linking together tens

  17. Social impacts of earthquakes caused by gas extraction in the Province of Groningen, The Netherlands

    SciTech Connect

    Voort, Nick van der Vanclay, Frank

    2015-01-15

    Gas extraction from the Groningen gasfield in the northern Netherlands has led to localised earthquakes which are projected to become more severe. The social impacts experienced by local residents include: damage to property; declining house prices; concerns about the chance of dykes breaking; feelings of anxiety and insecurity; health issues; and anger. These social and emotional impacts are exacerbated by the increasing distrust Groningen people have towards the national government and the gas company, NAM, a partnership between Shell and ExxonMobil. The earthquakes have reopened discussions about the distribution of benefits from gas production and the extent to which benefits are retained locally. Mitigation of the impacts is attempted, but the lack of trust decreases the effectiveness of the mitigation measures. The extent of this experience of previously-unforeseen, unanticipated impacts suggests that a new social and environmental impact assessment needs to be undertaken, and a new Social Impact Management Plan (SIMP) and Impacts and Benefits Agreement (IBA) developed, so that the project can regain its legitimacy and social licence to operate. In addition to conventional gas, this paper has wider relevance for unconventional gas developments, for example shale gas extraction by hydraulic fracturing methods (fracking). - Highlights: • Gas production in Groningen has caused over 1000 earthquakes. • The induced seismicity has caused many social impacts. • Impacts include building damage, reduced house prices, fear and health issues. • Mitigation measures attempted to date are inadequate. • Distrust towards the national government and operator hinders mitigation efforts. • Gas production in Groningen has lost its social licence to operate.

  18. Permian-triassic paleogeography and stratigraphy of the west Netherlands basin

    SciTech Connect

    Speksnijder, A. )

    1993-09-01

    During the Permian, the present West Netherlands basin (WNB) was situated at the southernmost margin of the southern Permian basin (SPB). The thickness of Rotilegende sandstones therefore is very much reduced in the WNB. The relatively thin deposits of the Fringe Zechstein in the WNB, however, also contrast strongly in sedimentary facies with thick evaporite/carbonate alternations in the main SPB to the north, although the classic cyclicity of Zechstein deposition still can be recognized. The Fringe Zechstein sediments are mainly siliciclastic and interfinger with both carbonates and anhydrites toward the evaporite basin. End members are thin clay layers that constitute potential seals to underlying Rotliegende reservoirs and relatively thick sandstones (over 100 m net sand) in the western part of the WNB. Nevertheless, favorable reservoir/seal configurations in the Fringe Zechstein seem to be sparse because only minor hydrocarbon occurrences have been proven in the area to date. The situation is dramatically different for the Triassic in the WNB. The [open quotes]Bunter[close quotes] gas play comprises thick Fringe Buntsandstein sandstones (up to 250 m), vertically sealed by carbonates and anhydritic clays of the Muschelkalk and Keuper formations. The Bunter sandstones are largely of the same age as the classic Volpriehausen, Detfurth, and Hardegsen alluvial sand/shale alternations recognized elsewhere, but the upper onlapping transgressive sands and silts correlate with evaporitic clays of the Roet basin to the north. A total volume of 65 x 10[sup 9]m[sup 3] of gas has so far been found in the Triassic Bunter sandstones of the WNB.

  19. LES SOFTWARE FOR THE DESIGN OF LOW EMISSION COMBUSTION SYSTEMS FOR VISION 21 PLANTS

    SciTech Connect

    Steve Cannon; Virgil Adumitroaie; Keith McDaniel; Cliff Smith

    2001-05-01

    Further development of a Large Eddy Simulation (LES) code for the design of advanced gaseous combustion systems is described in this second quarterly report. CFD Research Corporation (CFDRC) is developing the LES module within the parallel, unstructured solver included in the commercial CFD-ACE+ software. CFDRC has implemented and tested Smagorinsky and localized dynamic subgrid turbulence models on a 2.1 million cell DOE-NETL combustor case and a 400,000 cell nonreacting backstep case. Both cases showed good agreement between predicted and experimental results. The large DOE-NETL case results provided better agreement with the measured oscillation frequency than previous attempts because massive parallel computing (on a cluster of 24 pcs) allowed the entire computational domain, including the swirler vanes and fuel spokes, to be modeled. Subgrid chemistry models, including the conditional moment closure (CMC) and linear eddy model (LEM), are being tested and implemented. Reduced chemical mechanisms have been developed for emissions, ignition delay, extinction, and flame propagation using a computer automated reduction method (CARM). A 19-species natural gas mechanism, based on GRI2.11 and Miller-NO{sub x}, was shown to predict rich NO{sub x} emissions better than any previously published mechanisms. The ability to handle this mechanism in CFD-ACE+ was demonstrated by implementing operator splitting and a stiff ODE solver (DVODE). Efficient tabulation methods, including in situ adaptation and artificial neural nets, are being studied and will be implemented in the LES code. The LES combustion code development and testing is on schedule. Next quarter, initial results (including the DOE-NETL unstable combustor) with the CMC and LEM subgrid chemistry models will be completed and summarized.

  20. Periprocedural Prophylactic Antithrombotic Strategies in Interventional Radiology: Current Practice in the Netherlands and Comparison with the United Kingdom

    SciTech Connect

    Wiersema, Arno M.; Vos, Jan-Albert; Bruijninckx, Cornelis M. A.; Delden, Otto M. van; Reijnen, Michel M. P. J.; Vahl, Anco; Zeebregts, Clark J.; Moll, Frans L.

    2013-12-15

    Purpose: The use of prophylactic antithrombotic drugs to prevent arterial thrombosis during the periprocedural period during (percutaneous) peripheral arterial interventions (PAIs) is still a matter of dispute, and clear evidence-based guidelines are lacking. To create those guidelines, a study group was formed in the Netherlands in cooperation with the Dutch Society of Vascular Surgery and the Society of Interventional Radiology. The study group is called 'Consensus on Arterial PeriProcedural Anticoagulation (CAPPA).' Materials and Methods: The CAPPA study group devised and distributed a comprehensive questionnaire amongst Dutch interventional radiologists (IRs). Results: One hundred forty-two IRs responded (68 %) to the questionnaire. Almost no IR stopped acetyl salicylic acid before interventions, and 40 % stopped clopidogrel before PAI but not before carotid artery stenting (CAS). A flushing solution on the sideport of the sheath was used routinely by 30 % of IRs in PAI and by 50 % of IRs during CAS. A minority of IRs used a heparinised flushing solution (28 %). Unfractionated heparin was used by 95 % of IRs as bolus; 5000 IU was the most used dosage. Timing of administration varied widely. A majority of IRs (75 %) repeated heparin administration after 1 h. Conclusion: A substantial variety exists amongst IRs in the Netherlands regarding the use of prophylactic periprocedural antithrombotic drugs to prevent arterial thrombosis during PAI. When compared with varying results regarding the use of heparin in the United Kingdom, the variety in the Netherlands showed a different pattern. The proven variety in these countries, and also between these countries, emphasises the need for authoritative studies to develop evidence-based practical guidelines.

  1. An uncommon presentation: Creative commons at the 2012 LES winter meeting

    SciTech Connect

    Meike, Annamarie

    2012-01-06

    Have you noticed that the subject matter of our LES meetings is heavily oriented toward patent rights? There is more IP business in the area of patents, but it is important to keep an eye on copyright, whether for the purpose of influencing software copyright policy, or observing the development of interesting business models. So it is with pleasure that I see Catherine Casserly of the non-profit organization, Creative Commons (CC) is our Luncheon speaker for the 2012 Winter meeting in Anaheim.

  2. Successful integration of 3-D seismic and multidisciplinary approaches in exploring the Zechstein 2 carbonates in northeast Netherlands

    SciTech Connect

    Casson, N. ); Van Wees, B.; Reijers, T. ); Henk Rebel )

    1993-09-01

    Nederlandse Aardolie Maatschappij has been actively involved in the exploration of the Zechstein 2 carbonate play for over 40 yr. This exploration effort, concentrated mainly in the Drenthe and Schoonebeek area of northeast Netherlands, has resulted in the discovery of 20 gas fields with cumulative reserves of more than 40 x 10[sup 9] m[sup 3] of gas. The wealth of subsurface data collected in the exploration and development of these fields has lead to the establishment of detailed depositional and diagenetic models of the Zechstein 2 carbonates. More recently, extensive three-dimensional seismic coverage, the integration of lateral prediction techniques, and detailed fracture studies in cores have provided powerful predicting tools in the comprehension and exploitation of the play. Successful integration of the various disciplines now allows exploration of subtle low-relief structures in the mature Zechstein hydrocarbon province and helps target directional exploration and development wells.

  3. A Study of Strain Rate Effects for Turbulent Premixed Flames with Application to LES of a Gas Turbine Combustor Model

    DOE PAGES [OSTI]

    Kemenov, Konstantin A.; Calhoon, William H.

    2015-03-24

    Large-scale strain rate field, a resolved quantity which is easily computable in large-eddy simulations (LES), could have profound effects on the premixed flame properties by altering the turbulent flame speed and inducing local extinction. The role of the resolved strain rate has been investigated in a posterior LES study of GE lean premixed dry low NOx emissions LM6000 gas turbine combustor model. A novel approach which is based on the coupling of the lineareddy model with a one-dimensional counter-flow solver has been applied to obtain the parameterizations of the resolved premixed flame properties in terms of the reactive progress variable,more » the local strain rate measure, and local Reynolds and Karlovitz numbers. The strain rate effects have been analyzed by comparing LES statistics for several models of the turbulent flame speed, i.e, with and without accounting for the local strain rate effects, with available experimental data. The sensitivity of the simulation results to the inflow velocity conditions as well as the grid resolution have been also studied. Overall, the results suggest the necessity to represent the strain rate effects accurately in order to improve LES modeling of the turbulent flame speed.« less

  4. A Study of Strain Rate Effects for Turbulent Premixed Flames with Application to LES of a Gas Turbine Combustor Model

    SciTech Connect

    Kemenov, Konstantin A.; Calhoon, William H.

    2015-03-24

    Large-scale strain rate field, a resolved quantity which is easily computable in large-eddy simulations (LES), could have profound effects on the premixed flame properties by altering the turbulent flame speed and inducing local extinction. The role of the resolved strain rate has been investigated in a posterior LES study of GE lean premixed dry low NOx emissions LM6000 gas turbine combustor model. A novel approach which is based on the coupling of the lineareddy model with a one-dimensional counter-flow solver has been applied to obtain the parameterizations of the resolved premixed flame properties in terms of the reactive progress variable, the local strain rate measure, and local Reynolds and Karlovitz numbers. The strain rate effects have been analyzed by comparing LES statistics for several models of the turbulent flame speed, i.e, with and without accounting for the local strain rate effects, with available experimental data. The sensitivity of the simulation results to the inflow velocity conditions as well as the grid resolution have been also studied. Overall, the results suggest the necessity to represent the strain rate effects accurately in order to improve LES modeling of the turbulent flame speed.

  5. LES SOFTWARE FOR THE DESIGN OF LOW EMISSION COMBUSTION SYSTEMS FOR VISION 21 PLANTS

    SciTech Connect

    Cannon, Steven M.; Adumitroaie, Virgil; McDaniel, Keith S.; Smith, Clifford E.

    2001-11-06

    In this project, an advanced computational software tool will be developed for the design of low emission combustion systems required for Vision 21 clean energy plants. This computational tool will utilize Large Eddy Simulation (LES) methods to predict the highly transient nature of turbulent combustion. The time-accurate software will capture large scale transient motion, while the small scale motion will be modeled using advanced subgrid turbulence and chemistry closures. This three-year project is composed of: Year 1--model development/implementation, Year 2--software alpha validation, and Year 3--technology transfer of software to industry including beta testing. In this first year of the project, subgrid models for turbulence and combustion are being developed through university research (Suresh Menon-Georgia Tech and J.-Y. Chen- UC Berkeley) and implemented into a leading combustion CFD code, CFD-ACE+. The commercially available CFDACE+ software utilizes unstructured , parallel architecture and 2nd-order spatial and temporal numerics. To date, the localized dynamic turbulence model and reduced chemistry models (up to 19 species) for natural gas, propane, hydrogen, syngas, and methanol have been incorporated. The Linear Eddy Model (LEM) for subgrid combustion-turbulence interaction has been developed and implementation into CFD-ACE+ has started. Ways of reducing run-time for complex stiff reactions is being studied, including the use of in situ tabulation and neural nets. Initial validation cases have been performed. CFDRC has also completed the integration of a 64 PC cluster to get highly scalable computing power needed to perform the LES calculations ({approx} 2 million cells) in several days. During the second year, further testing and validation of the LES software will be performed. Researchers at DOE-NETL are working with CFDRC to provide well-characterized high-pressure test data for model validation purposes. To insure practical, usable software is

  6. Simulating atmosphere flow for wind energy applications with WRF-LES

    SciTech Connect

    Lundquist, J K; Mirocha, J D; Chow, F K; Kosovic, B; Lundquist, K A

    2008-01-14

    Forecasts of available wind energy resources at high spatial resolution enable users to site wind turbines in optimal locations, to forecast available resources for integration into power grids, to schedule maintenance on wind energy facilities, and to define design criteria for next-generation turbines. This array of research needs implies that an appropriate forecasting tool must be able to account for mesoscale processes like frontal passages, surface-atmosphere interactions inducing local-scale circulations, and the microscale effects of atmospheric stability such as breaking Kelvin-Helmholtz billows. This range of scales and processes demands a mesoscale model with large-eddy simulation (LES) capabilities which can also account for varying atmospheric stability. Numerical weather prediction models, such as the Weather and Research Forecasting model (WRF), excel at predicting synoptic and mesoscale phenomena. With grid spacings of less than 1 km (as is often required for wind energy applications), however, the limits of WRF's subfilter scale (SFS) turbulence parameterizations are exposed, and fundamental problems arise, associated with modeling the scales of motion between those which LES can represent and those for which large-scale PBL parameterizations apply. To address these issues, we have implemented significant modifications to the ARW core of the Weather Research and Forecasting model, including the Nonlinear Backscatter model with Anisotropy (NBA) SFS model following Kosovic (1997) and an explicit filtering and reconstruction technique to compute the Resolvable Subfilter-Scale (RSFS) stresses (following Chow et al, 2005).We are also modifying WRF's terrain-following coordinate system by implementing an immersed boundary method (IBM) approach to account for the effects of complex terrain. Companion papers presenting idealized simulations with NBA-RSFS-WRF (Mirocha et al.) and IBM-WRF (K. A. Lundquist et al.) are also presented. Observations of flow

  7. Les Houches Physics at TeV Colliders 2005 Beyond the Standard Model Working Group: Summary Report

    SciTech Connect

    Allanach, B.C.; Grojean, C.; Skands, P.; Accomando, E.; Azuelos, G.; Baer, H.; Balazs, C.; Belanger, G.; Benakli, K.; Boudjema, F.; Brelier, B.; Bunichev, V.; Cacciapaglia, G.; Carena, M.; Choudhury, D.; Delsart, P.-A.; De Sanctis, U.; Desch, K.; Dobrescu, B.A.; Dudko, L.; El Kacimi, M.; /Saclay, SPhT /CERN /Fermilab /INFN, Turin /Turin U. /Montreal U. /TRIUMF /Florida State U. /Argonne /Annecy, LAPTH /Paris, LPTHE /Moscow State U. /Cornell U., CIHEP /Delhi U. /Milan U. /INFN, Milan /Freiburg U. /Cadi Ayyad U., Marrakech /Orsay, LPT /Oslo U. /Lancaster U.

    2006-03-17

    The work contained herein constitutes a report of the ''Beyond the Standard Model'' working group for the Workshop ''Physics at TeV Colliders'', Les Houches, France, 2-20 May, 2005. We present reviews of current topics as well as original research carried out for the workshop. Supersymmetric and non-supersymmetric models are studied, as well as computational tools designed in order to facilitate their phenomenology.

  8. Simulating flame lift-off characteristics of diesel and biodiesel fuels using detailed chemical-kinetic mechanisms and LES turbulence model.

    SciTech Connect

    Som, S; Longman, D. E.; Luo, Z; Plomer, M; Lu, T; Senecal, P.K.; Pomraning, E

    2012-01-01

    Combustion in direct-injection diesel engines occurs in a lifted, turbulent diffusion flame mode. Numerous studies indicate that the combustion and emissions in such engines are strongly influenced by the lifted flame characteristics, which are in turn determined by fuel and air mixing in the upstream region of the lifted flame, and consequently by the liquid breakup and spray development processes. From a numerical standpoint, these spray combustion processes depend heavily on the choice of underlying spray, combustion, and turbulence models. The present numerical study investigates the influence of different chemical kinetic mechanisms for diesel and biodiesel fuels, as well as Reynolds-averaged Navier-Stokes (RANS) and large eddy simulation (LES) turbulence models on predicting flame lift-off lengths (LOLs) and ignition delays. Specifically, two chemical kinetic mechanisms for n-heptane (NHPT) and three for biodiesel surrogates are investigated. In addition, the RNG k-{epsilon} (RANS) model is compared to the Smagorinsky based LES turbulence model. Using adaptive grid resolution, minimum grid sizes of 250 {micro}m and 125 {micro}m were obtained for the RANS and LES cases respectively. Validations of these models were performed against experimental data from Sandia National Laboratories in a constant volume combustion chamber. Ignition delay and flame lift-off validations were performed at different ambient temperature conditions. The LES model predicts lower ignition delays and qualitatively better flame structures compared to the RNG k-{epsilon} model. The use of realistic chemistry and a ternary surrogate mixture, which consists of methyl decanoate, methyl 9-decenoate, and NHPT, results in better predicted LOLs and ignition delays. For diesel fuel though, only marginal improvements are observed by using larger size mechanisms. However, these improved predictions come at a significant increase in computational cost.

  9. The DOE Atmospheric Radia4on Measurement Program's LES ARM Symbio4c Simula4on and Observa4on (LASSO) Workflow

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    DOE Atmospheric Radia4on Measurement Program's LES ARM Symbio4c Simula4on and Observa4on (LASSO) Workflow Ini4aliza4on, Forcing and Mul4scale Data Assimila4on Zhijin Li JPL and UCLA Coauthors: Xiaoping Cheng (UCLA), William I. Gustafson Jr. and Heng Xiao (PNNL), Andrew Vogelmann, Satoshi Endo and Tami Toto (BNL) AGU Fall Mee*ng 2015, San Francisco, CA, December 14, 2015 The Atmospheric Radia4on Measurement (ARM) Facility for Integra4ng Modeling with Observa4ons Dense observa4ons are coupled with

  10. Energy conservation and electricity sector liberalization: Case-studies on the development of cogeneration, wind energy and demand-side management in the Netherlands, Denmark, Germany and the United Kingdom

    SciTech Connect

    Slingerland, S.

    1998-07-01

    In this paper, the development of cogeneration, wind energy and demand-side management in the Netherlands, Denmark, Germany and the United Kingdom are compared. It is discussed to what extent these developments are determined by the liberalization process. Three key liberalization variables are identified: unbundling, privatization and introduction of competition. The analysis suggests that unbundling prior to introduction of full competition in generation is particularly successful in stimulating industrial cogeneration; simultaneous introduction of competition and unbundling mainly stimulates non-cogeneration gas-based capacity; and introduction of competition in itself is likely to impede the development of district-heating cogeneration. Furthermore, it is argued that development of wind energy and demand-side management are primarily dependent on the kind of support system set up by policy makers rather than on the liberalization process. Negative impacts of introduction of competition on integrated resource planning and commercial energy services could nevertheless be expected.

  11. LES Modeling for IC Engines

    Office of Energy Efficiency and Renewable Energy (EERE)

    Large eddy simulation offers better accuracy and sensitivity to study cyclic variability, mode transition and mixing effects in engine design and operation

  12. Netherlands: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    MWhyear 151 2008 NREL Coal Reserves Unavailable Million Short Tons NA 2008 EIA Natural Gas Reserves 1,416,000,000,000 Cubic Meters (cu m) 24 2010 CIA World Factbook Oil Reserves...

  13. Netherlands Development Organisation Feed | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    US Savannah River National Laboratory (SRNL) UNEP-Risoe Centre on Energy, Climate and Sustainable Development United Nations Environment Programme (UNEP) United Nations...

  14. Adaptive LES Methodology for Turbulent Flow Simulations

    SciTech Connect

    Oleg V. Vasilyev

    2008-06-12

    Although turbulent flows are common in the world around us, a solution to the fundamental equations that govern turbulence still eludes the scientific community. Turbulence has often been called one of the last unsolved problem in classical physics, yet it is clear that the need to accurately predict the effect of turbulent flows impacts virtually every field of science and engineering. As an example, a critical step in making modern computational tools useful in designing aircraft is to be able to accurately predict the lift, drag, and other aerodynamic characteristics in numerical simulations in a reasonable amount of time. Simulations that take months to years to complete are much less useful to the design cycle. Much work has been done toward this goal (Lee-Rausch et al. 2003, Jameson 2003) and as cost effective accurate tools for simulating turbulent flows evolve, we will all benefit from new scientific and engineering breakthroughs. The problem of simulating high Reynolds number (Re) turbulent flows of engineering and scientific interest would have been solved with the advent of Direct Numerical Simulation (DNS) techniques if unlimited computing power, memory, and time could be applied to each particular problem. Yet, given the current and near future computational resources that exist and a reasonable limit on the amount of time an engineer or scientist can wait for a result, the DNS technique will not be useful for more than 'unit' problems for the foreseeable future (Moin & Kim 1997, Jimenez & Moin 1991). The high computational cost for the DNS of three dimensional turbulent flows results from the fact that they have eddies of significant energy in a range of scales from the characteristic length scale of the flow all the way down to the Kolmogorov length scale. The actual cost of doing a three dimensional DNS scales as Re{sup 9/4} due to the large disparity in scales that need to be fully resolved. State-of-the-art DNS calculations of isotropic turbulence have recently been completed at the Japanese Earth Simulator (Yokokawa et al. 2002, Kaneda et al. 2003) using a resolution of 40963 (approximately 10{sup 11}) grid points with a Taylor-scale Reynolds number of 1217 (Re {approx} 10{sup 6}). Impressive as these calculations are, performed on one of the world's fastest super computers, more brute computational power would be needed to simulate the flow over the fuselage of a commercial aircraft at cruising speed. Such a calculation would require on the order of 10{sup 16} grid points and would have a Reynolds number in the range of 108. Such a calculation would take several thousand years to simulate one minute of flight time on today's fastest super computers (Moin & Kim 1997). Even using state-of-the-art zonal approaches, which allow DNS calculations that resolve the necessary range of scales within predefined 'zones' in the flow domain, this calculation would take far too long for the result to be of engineering interest when it is finally obtained. Since computing power, memory, and time are all scarce resources, the problem of simulating turbulent flows has become one of how to abstract or simplify the complexity of the physics represented in the full Navier-Stokes (NS) equations in such a way that the 'important' physics of the problem is captured at a lower cost. To do this, a portion of the modes of the turbulent flow field needs to be approximated by a low order model that is cheaper than the full NS calculation. This model can then be used along with a numerical simulation of the 'important' modes of the problem that cannot be well represented by the model. The decision of what part of the physics to model and what kind of model to use has to be based on what physical properties are considered 'important' for the problem. It should be noted that 'nothing is free', so any use of a low order model will by definition lose some information about the original flow.

  15. 5 - Codes DNS-LES-RANS.key

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    5 t 6 t 1 t 2 t 3 t 4 t 5 t 6 Y. Dhue PhD IMFT 22 Columbian movie: image by D. Mejia, music by Shakira Response to music: LeConte, J. On the influence of musical sounds on the...

  16. Energy Research Centre of the Netherlands (ECN) | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    Cost curves (NAMAC) Information Toolkit for post-2012 climate policies Low-Carbon Technology Cooperation in the Climate Regime Renewable Energy Projections as Published in the...

  17. Evaluation of the Netherlands International Test Facility for...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... smart grid systems, and (3) scalabilityperformance testing using software simulations of a single medium-voltage distribution grid with a focus on demand-response approaches. ...

  18. Energy Research Centre of the Netherlands Feed | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    Commission, the UK's Department for international Development, the UNDP and the climate panel IPCC. Read more about what ECN did for the Kenyan government. Tue, 02 Jun 2015...

  19. Energy Research Centre of the Netherlands (ECN) | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    of the European Member States Add Tool Programs Africa - CCS capacity building Carbon Capture and Storage in Southern Africa Ghana-Paving the Way for Low Carbon Development...

  20. EWIS European wind integration study (Smart Grid Project) (Netherlands...

    OpenEI (Open Energy Information) [EERE & EIA]

    of wind generation developers. The study will use results from detailed network and market models of the European transmission system for scenarios representing immediate and...

  1. Salt tectonics in the southern North Sea, Netherlands

    SciTech Connect

    Remmelts, G. )

    1993-09-01

    Large parts of the southern North Sea are underlain by Upper Permian Zechstein salt. A vast amount of this sequence, originally more than 1000 m thick, has migrated into salt structures. Many hydrocarbon accumulations are related to these structures. The formation of the salt structures may have created structural traps or (by influencing the sedimentation pattern) stratigraphic traps. Salt generally acts as a seal, but depletion of salt can create migration routes into higher strata for hydrocarbons originating from underlying source rocks. The thermal conductivity of the salt can influence the maturity of source rocks in its direct vicinity. Salt structures are formed almost exclusively by Zechstein salt. Minor movement occurred in Triassic evaporites. The development of salt structures is influenced strongly by regional tectonics. Basement faulting probably triggered the salt movement. The dominant structural grain is reflected in the orientation and location of the salt structures. Periods of increased growth rates coincide with tectonic phases. Long walls of salt formed in the northern area where the Triassic north-south orientated faults (which were rejuvenated in Late Jurassic) predominate. Toward the south, the northwest-southeast direction of the Late Jurassic interferes with the north-south trend and gradually becomes the dominant direction. This is reflected in the shortening of the north-south salt structures and eventually in the change in their orientation. Average vertical growth rates have been calculated to be around 0.005-0.035 mm/yr. When correction for suberosion and erosion processes could be quantified and applied to the growth rates, they were significantly higher.

  2. LES ARM Symbiotic Simulation and Observation (LASSO) Implementation...

    Office of Scientific and Technical Information (OSTI)

    This document illustrates the design of the Large-Eddy ... LASSO will create a powerful new capability for furthering ... The result will be improved process understanding that ...

  3. Large Eddy Simulation (LES) Applied to Advanced Engine Combustion Research

    Energy.gov [DOE]

    2013 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting

  4. LES ARM Symbiotic Simulation and Observation (LASSO) Implementation...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... testing and prioritized cost- benefit analyses of options ... AERIoe AERI Optimal Estimation AGU American Geophysical ... Tropospheric Ozone Production about the Spring Equinox ...

  5. Les vies de Galilée

    ScienceCinema

    None

    2016-07-12

    Qu'est-ce que l'astronomie? A quoi sert-elle ? Qui était Galilée ? Une soirée avec Fiami, auteur et dessinateur autour des vies de Galilée, titre de son nouvel ouvrage. Galilée y joue le protagoniste ou le complice de grandes découvertes à différentes époques et sous divers profils : Galilée à Babylone (-568) | Galilée à Alexandrie (-197) | Galilée en Inde (499) | Galilée à Venise (1609) | Galilée et Halley (1705) | Galilée revient (2009) Dans le cadre de l'année mondiale de l'astronomie. » Tout public » Entrée libre » Réservation groupes au +41 (0)22 767 76 76

  6. From the Netherlands to PPPL: Student reflects on his study of...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... Next year I will start research about cold electron beams or cold ion beams, I'm not very ... Select and View High Resolution Images to Download Learn More Education Fusion energy ITER ...

  7. Fuel price changes and the adoption of cogeneration in the U.K. and Netherlands

    SciTech Connect

    Bonilla, David

    2007-08-15

    Whenever industrial plants consume power and heat, there is a need to consider energy efficiency investment in a cogeneration plant. The author tests an empirical model employing application of cross-sectional time series to analyze the economic incentives influencing the adoption of energy-saving technology in the U.K. and Dutch manufacturing sectors. (author)

  8. Derk Bol, Materials Innovation Institute M2i (Netherlands) M2i...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    icon SessionA4Bol.ppt More Documents & Publications Trans-Atlantic Workshop on Rare Earth Elements and Other Critical Materials for a Clean Energy Future Vehicle Technologies...

  9. Laboratory modeling of graben inversion with application to broad fourteens basin, Netherlands offshore

    SciTech Connect

    Nalpas, T.; Brun, J.P. ); Le Douaran, S. ); Richert, J.P. )

    1993-09-01

    The southern North Sea presents spectacular examples of basin inversion, which have been documented by numerous projects of the oil industry. Some basic inversion patterns identified through wells and seismic data were used to prepare a laboratory modeling investigation. Models are built with sand and silicone putty, respectively, which represent the frictional behavior of Mesozoic cover and Paleozoic basement and the viscous behavior of the decollement layer, mainly Permian salt, between them. They are scaled to fit natural configurations observed in the Broad Fourteens basin. All experiments are done in two steps: (1) graben formation with synkinematic sedimentation and (2) compression oblique to the graben. The experiments show that structures generated by or reactivated during inversion are strongly dependent on the strength of the decollement layer at the base of the sedimentary cover, which is itself dependent on the silicone viscosity, the layer thickness, and the displacement velocity applied at model boundaries; and the strength of the sedimentary cover, which is solely dependent on its thickness. This work is in progress. Preliminary results will be compared with examples from the Broad Fourteens basin on the basis of both seismic data and structural maps.

  10. The reservoir potential of the Zechstein-3 carbonate member (Platten), offshore Netherlands

    SciTech Connect

    Baird, A.; Kelly, J.; Symonds, R. )

    1993-09-01

    The Platten has been examined from 31 released and nonreleased wells, dominantly from northern P and Q quadrants, Dutch North Sea, and including a limited number of adjacent onshore wells. Wireline log interpretations have been allied with available core log, sidewall core, and ditch sample data. This has allowed a division into four broad facies associations: lower ramp, shoal shoreface, lagoonal, and the dominantly siliciclastic peritidal. Primary porosity is concentrated in ooid grainstones of the shoal/shoreface facies association. Diagenesis has also been examined. While the Platten has been broadly affected by early dolomitization, which generally occluded porosity, later diagenesis was more selective and had a significant control on porosity creation more selective and has a significant control on porosity creation as well as occlusion. Location of Platten reservoir potential is shown by facies association, diagenetic texture, and percentage porosity maps. The best reservoir conditions in the Platten exist where the shoal/shoreface facies association coincides with faults and with diagenesis associated with fluid movements through fractures. Low-temperature hydrothermal fluids are shown in this study to be the most important control on the hydrocarbon potential of the Platten in much of the P and Q quadrants.

  11. Use of prediction techniques in an integrated study of the L5 field, offshore Netherlands

    SciTech Connect

    Houlleberghs, E.; Sande, J. van de ); Haltmeier, P. )

    1993-09-01

    Seismic imaging provides a powerful tool for a variety of development applications. While defining development locations in the L5-FA gas field, the project team was confronted with the question: do seismic images accurately reflect the quality of the reservoir Careful integration of the seismic data with the geological information supplied the answer to this problem. The L5-FA field is situated in the southwestern part of the Central Graben in the Dutch sector of the North Sea. The Volpriehausen reservoir consists of thin but widespread alluvial/aeolian sandsheets alternating with silty claystones. A geophysical modeling exercise, characterized by an iterative process of merging the geological data, reservoir geological models, and the three-dimensional seismic data set into one coherent picture was initiated. Synthetic reflectivity data were generated for gas-filled reservoirs with a varying average porosity, with different porosity profiles and thickness variations as well as varying overburden parameters. Correlations between different reservoir parameters and a variety of amplitude measurements were investigated. A strong linear relation between porosity and amplitude extremum for the porosity range 5-18% was one of the outcomes of the study. Amplitudes were measured on the top and base Volpriehausen reflections. After well calibration, an average porosity map was compiled. Based on this map, two development well locations were picked in the more prolific part of the reservoir. Although subsequent drilling proved the mapped porosities to be correct, there is still a major challenge to be met-a further integration of all available information, including, for instance, production data. Only then we will fully understand the reservoir architecture.

  12. DLC+VIT4IP (Smart Grid Project) (Netherlands) | Open Energy Informatio...

    OpenEI (Open Energy Information) [EERE & EIA]

    applications. These shall include the existing power distribution network for novel services in smart electricity distribution networks such as demand side management,...

  13. 2014 CHEMICAL REACTIONS AT SURFACES GORDON RESEARCH CONFERENCE AND GORDON RESEARCH SEMINAR (APRIL 28-MAY 3, 2013 - LES DIABLERETS CONFERENCE CENTER, LES DIABLERETS, SWITZERLAND)

    SciTech Connect

    Stair, Peter C.

    2013-02-03

    presentations on chemistry at solid and liquid surfaces of relevance to catalysis, synthesis, photochemistry, environmental science, and tribology. Topics include: Fundamental Surface Chemistry; Catalysis; Solid Liquid and Aerosol Interfaces; Surface Photochemistry; Synthesis of Surfaces; Environmental Interfaces; Hot Topics in Surface Chemical Reactions; Tribology; Gas-Surface Scattering and Reactions; Novel Materials and Environments.

  14. U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Les Houches Conference A. Bazarko Medium Baseline

  15. Djurcic_NIKHEF_September2010.ppt

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    for Subatomic Physics (NIKHEF), Amsterdam, Netherlands National Institute for Subatomic Physics (NIKHEF), Amsterdam, Netherlands Colloquium, September 17, 2010 Colloquium, ...

  16. A J

    Energy Saver

    ... Netherlands, Norway, Poland, Portugal, Romania, Singapore, Slovak Republic, Slovenia, ... Netherlands, Norway, Poland, Portugal, Romania, Singapore, Slovak Republic, Slovenia, ...

  17. Les Houches guidebook to Monte Carlo generators for hadron collider physics

    SciTech Connect

    Dobbs, Matt A.; Frixione, Stefano; Laenen, Eric; Tollefson, Kirsten

    2004-03-01

    Recently the collider physics community has seen significant advances in the formalisms and implementations of event generators. This review is a primer of the methods commonly used for the simulation of high energy physics events at particle colliders. We provide brief descriptions, references, and links to the specific computer codes which implement the methods. The aim is to provide an overview of the available tools, allowing the reader to ascertain which tool is best for a particular application, but also making clear the limitations of each tool.

  18. Les Houches Guidebook to Monte Carlo generators for hadron collider physics

    SciTech Connect

    Dobbs, M.A

    2004-08-24

    Recently the collider physics community has seen significant advances in the formalisms and implementations of event generators. This review is a primer of the methods commonly used for the simulation of high energy physics events at particle colliders. We provide brief descriptions, references, and links to the specific computer codes which implement the methods. The aim is to provide an overview of the available tools, allowing the reader to ascertain which tool is best for a particular application, but also making clear the limitations of each tool.

  19. Large Eddy Simulation (LES) Applied to LTC/Diesel/Hydrogen Engine Combustion Research

    Energy.gov [DOE]

    2010 DOE Vehicle Technologies and Hydrogen Programs Annual Merit Review and Peer Evaluation Meeting, June 7-11, 2010 -- Washington D.C.

  20. Vehicle Technologies Office Merit Review 2014: Large Eddy Simulation (LES) Applied to Advanced Engine Combustion Research

    Energy.gov [DOE]

    Presentation given by Sandia National Laboratories at 2014 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting about large eddy...

  1. Large Eddy Simulation (LES) Applied to Low-Temperature and Diesel Engine Combustion Research

    Energy.gov [DOE]

    2011 DOE Hydrogen and Fuel Cells Program, and Vehicle Technologies Program Annual Merit Review and Peer Evaluation

  2. Vehicle Technologies Office Merit Review 2015: Large Eddy Simulation (LES) Applied to Advanced Engine Combustion Research

    Office of Energy Efficiency and Renewable Energy (EERE)

    Presentation given by Sandia National Laboratories at 2015 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting about Large Eddy...

  3. Services du Centre de Solutions Pour Les Energies Propres (Fact Sheet)

    SciTech Connect

    Not Available

    2014-05-01

    This is the French translation of the Clean Energy Solutions Center services fact sheet. The Clean Energy Solutions Center (Solutions Center) helps governments, advisors and analysts create policies and programs that advance the deployment of clean energy technologies. The Solutions Center partners with international organizations to provide online training, expert assistance, and technical resources on clean energy policy.

  4. Vehicle Technologies Office Merit Review 2016: Large Eddy Simulation (LES) Applied to Advanced Engine Combustion Research

    Energy.gov [DOE]

    Presentation given by Sandia National Laboratory (SNL) at the 2016 DOE Vehicle Technologies Office and Hydrogen and Fuel Cells Program Annual Merit Review and Peer Evaluation Meeting about...

  5. RGS Development BV | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    to: navigation, search Name: RGS Development BV Place: Netherlands Sector: Solar Product: Joint venture between the Energy Research Centre of the Netherlands, Deutsche Solar and...

  6. BloomEnergy | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search Name: BloomEnergy Place: Amsterdam, Netherlands Zip: 1076 KK Product: Netherlands-based large scale PV project development firm. References:...

  7. Transmark Renewables | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Haag, Netherlands Zip: 2587AP Product: Netherlands based project developer, owned by family-controlled energy and industrial group Transmark Holdings. References: Transmark...

  8. CCT Solar | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    CCT Solar Jump to: navigation, search Name: CCT Solar Place: Ede, Netherlands Zip: 6711 Product: Netherlands-based division of CCT Europe and PV panel and junction box...

  9. DE-NT0005666 | netl.doe.gov

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... (NETL), the Royal Netherlands Institute for Sea Research (NIOZ), and a team of 32 university and government scientists from the U.S., Netherlands, Belgium, and ...

  10. Spectroscopy of complex molecular systems: Physics on an exciton...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Materials, University of Groningen, Netherlands jknoester Abstract: The concept of ... Physics at the University of Utrecht, The Netherlands, in 1983 and 1987, respectively. ...

  11. 2012 Catalysis Lectures

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Weckhuysen is since 2000 full professor Inorganic Chemistry and Catalysis at Utrecht University (The Netherlands). He is also scientific director of the Netherlands Institute of ...

  12. Illitization of diagenetic kaolinite-to-dickite conversion series: Late-stage diagenesis of the Lower Permian Rotliegene sandstone reservoir, offshore of the Netherlands

    SciTech Connect

    Lanson, B.; Beaufort, D.; Berger, G.; Baradat, J.; Lacharpagne, J.C.

    1996-05-01

    This paper describes the diagenetic evolution of clay minerals in the Rotliegend sandstone reservoir under contrasting burial histories in the Broad Fourteens basin (Dutch sector, Southern North Sea). The diagenetic modifications affecting the crystal structure of clay minerals (both kaolin-group and illitic minerals) were studied using X-ray diffraction (XRD). The XRD study includes oriented and random mounts of various size fractions, numerical processing (decomposition) of XRD profiles, and simulation of one-dimensional and three-dimensional XRD patterns. Petrographic observations, differential thermal analysis, K/Ar geochronology, and geochemical considerations complement the XRD study and allow determination of the sequence of mineral crystallization and the morphological evolution of clay minerals and place further constraints on the absolute timing of diagenetic events and on the nature of the fluids responsible for clay-mineral crystallization.

  13. Improved Meteorological Input for Atmospheric Release Decision support Systems and an Integrated LES Modeling System for Atmospheric Dispersion of Toxic Agents: Homeland Security Applications

    SciTech Connect

    Arnold, E; Simpson, M; Larsen, S; Gash, J; Aluzzi, F; Lundquist, J; Sugiyama, G

    2010-04-26

    When hazardous material is accidently or intentionally released into the atmosphere, emergency response organizations look to decision support systems (DSSs) to translate contaminant information provided by atmospheric models into effective decisions to protect the public and emergency responders and to mitigate subsequent consequences. The Department of Homeland Security (DHS)-led Interagency Modeling and Atmospheric Assessment Center (IMAAC) is one of the primary DSSs utilized by emergency management organizations. IMAAC is responsible for providing 'a single piont for the coordination and dissemination of Federal dispersion modeling and hazard prediction products that represent the Federal position' during actual or potential incidents under the National Response Plan. The Department of Energy's (DOE) National Atmospheric Release Advisory Center (NARAC), locatec at the Lawrence Livermore National Laboratory (LLNL), serves as the primary operations center of the IMAAC. A key component of atmospheric release decision support systems is meteorological information - models and data of winds, turbulence, and other atmospheric boundary-layer parameters. The accuracy of contaminant predictions is strongly dependent on the quality of this information. Therefore, the effectiveness of DSSs can be enhanced by improving the meteorological options available to drive atmospheric transport and fate models. The overall goal of this project was to develop and evaluate new meteorological modeling capabilities for DSSs based on the use of NASA Earth-science data sets in order to enhance the atmospheric-hazard information provided to emergency managers and responders. The final report describes the LLNL contributions to this multi-institutional effort. LLNL developed an approach to utilize NCAR meteorological predictions using NASA MODIS data for the New York City (NYC) region and demonstrated the potential impact of the use of different data sources and data parameterizations on IMAAC/NARAC fate and transport predictions. A case study involving coastal sea breeze circulation patterns in the NYC region was used to investigate the sensitivity of atmospheric dispersion results on the source of three-dimensional wind field data.

  14. Vehicle Technologies Office Merit Review 2015: Large Eddy Simulation...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Large Eddy Simulation (LES) Applied to Advanced Engine Combustion Research Vehicle Technologies Office Merit Review 2015: Large Eddy Simulation (LES) Applied to Advanced Engine ...

  15. TRP PVE | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    TRP PVE Place: Netherlands Product: Netherlands-based JV to construct and operate photovoltaic power stations. References: TRP PVE1 This article is a stub. You can help OpenEI...

  16. ECOS MEGES | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    search Name: ECOSMEGES Place: Netherlands Product: Netherlands-based manufacturer of Lithium X batteries. References: ECOSMEGES1 This article is a stub. You can help OpenEI by...

  17. Toward Design of a Universal Flu Vaccine

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... Researchers from the Crucell Vaccine Institute in the Netherlands, using human cells from ... Friesen (Crucell Vaccine Institute, Netherlands); and O.T.W. Li, L.L.M. Poon, and M. ...

  18. 1

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Research Utrecht (IMAU) Utrecht, The Netherlands S.E. Bauer The Earth Institute at ... Research Utrecht (IMAU) Utrecht, The Netherlands, maarten.krol@jrc.it S.E. Bauer, The ...

  19. Measurements and model calculations of radiative fluxes for the Cabauw

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Experimental Site for Atmospheric Research, the Netherlands Measurements and model calculations of radiative fluxes for the Cabauw Experimental Site for Atmospheric Research, the Netherlands Knap, Wouter Royal Netherlands Meteorological Institute KNMI Los, Alexander KNMI Boers, Reinout KNMI Category: Radiation The Cabauw Experimental Site for Atmospheric Research (CESAR), the Netherlands (52.0N, 4.9E), contains an extensive set of instruments for atmospheric research, such as radar, lidar

  20. Browse Societies by Language -- E-print Network Societies by...

    Office of Scientific and Technical Information (OSTI)

    ... en - Weefselkweek Netherlands Society for Plant Biotechnology and Tissue Culture (NVPW) -- Nederlandse Vereniging voor Radiologie Radiological Society of the ...

  1. Proceedings of the fifth annual NEA-seabed working group meeting...

    Office of Scientific and Technical Information (OSTI)

    European Communities, the Federal Republic of Germany, France, Japan, Netherlands, ... COMMUNITIES; FEDERAL REPUBLIC OF GERMANY; FRANCE; GOVERNMENT POLICIES; JAPAN; ...

  2. Chapter 7: New Insights into Microbial Strategies for Biomass...

    Office of Scientific and Technical Information (OSTI)

    Conversion of Biomass to Advanced Biofuels Publisher: Amsterdam, Netherlands: ... PHYSICAL, AND ANAYLYTICAL CHEMISTRY biofuels; biomass; cellulases; natural paradigms; ...

  3. Alexey Galda | Argonne National Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    UK, 2008 Overseas Research Student Scholarship, UK, 2008 HSP Huygens Scholarship, Netherlands, 2008 Professional Memberships American Physical Society Member Selected ...

  4. John Krummel | Argonne National Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Cantonese, Catalan, Chines and English, Chinese, Chinese (Cantonese), Dutch (Netherlands), English, English (fluent), English (Native), English: Fluent; Chinese: Native; ...

  5. Guenter Conzelmann | Argonne National Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Cantonese, Catalan, Chines and English, Chinese, Chinese (Cantonese), Dutch (Netherlands), English, English (fluent), English (Native), English: Fluent; Chinese: Native; ...

  6. Thomas Wallner | Argonne National Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Cantonese, Catalan, Chines and English, Chinese, Chinese (Cantonese), Dutch (Netherlands), English, English (fluent), English (Native), English: Fluent; Chinese: Native; ...

  7. Alex Martinson | Argonne National Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Cantonese, Catalan, Chines and English, Chinese, Chinese (Cantonese), Dutch (Netherlands), English, English (fluent), English (Native), English: Fluent; Chinese: Native; ...

  8. World Bio Markets

    Energy.gov [DOE]

    Held in Amsterdam, Netherlands, the 10th anniversary World Bio Markets convened from March 1– 4, 2015.

  9. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    CLARA-Project: Intensive Experimental Study of Clouds and Radiation in The Netherlands Russchenberg, H.W.J., Delft University of Technology; van Lammeren, A.C.A.P., and Feijt, A., Royal Netherlands Meteorological Institute; Apituley, A., National Institute of Public Health and the Environment; Khlystov, A., Netherlands Energy Research Centre; Herben, M., Eindhoven University of Technology Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting In 1996, three extensive measurement

  10. Report on technical exchanges between CESTA and LLNL concerning FEL/induction activities; Bilan des exchanges techniques entre le CESTA et le LLNL sur les activites LEL/induction

    SciTech Connect

    Thevenot, M.; Eyl, P.

    1991-11-06

    Within the framework of scientific collaboration related to FEL (Free Electron Laser) activities between LLNL (Lawrence Livermore National Laboratory, USA) and CESTA [Centre d`Etudes des Systemes et des Technologies Avancees = Advanced Technology and Systems Research Center -- Tr. Ed.], the principal subject of these exchanges was the technology of high-voltage impulse generators designed to supply induction-type [linear] accelerators (LINAC). The role of this cooperative effort, which was to pool the expertise of the two laboratories, was not limited simply to an inspection of installations and methods. On the contrary, it permitted two representatives from each center to participate intimately in the experiments conducted on the experiments conducted on the LLNL equipment, and then at CESTA. 4 refs., 1 fig.

  11. Mesure de la section efficace de production de paires de quarks top dans l'etat final di-electron avec les donnees collectees par l'experience D0 au RunIIa

    SciTech Connect

    Martin Dit Latour, Bertrand; /LPSC, Grenoble

    2008-09-01

    The top quark has been discovered in 1995 by CDF and D0 collaborations in proton-antiproton collisions at the Tevatron. The amount of data recorded by both experiments makes it possible to accurately measure the properties of this very massive quark. This thesis is devoted to the measurement of the top pair production cross-section via the strong interaction, in a final state composed of two electrons, two particle jets and missing transverse energy. It is based on a 1 fb{sup -1} data set collected by the D0 experiment between 2002 and 2006. The reconstruction and identification of electrons and jets is of major importance in this analysis, and have been studied in events where a Z boson is produced together with one or more jets. The Z+jets process is indeed the dominant physics background to top pair production in the dielectron final state. The primary goal of this cross-section measurement is to verify Standard Model predictions. In this document, this result is also interpreted to indirectly extract the top quark mass. Moreover, the cross-section measurement is sensitive to new physics such as the existence of a charged Higgs boson. The selection established for the cross-section analysis has been used to search for a H{sup +} boson lighter than the top quark, where the latter can decay into a W{sup +} or H{sup +} boson and a b quark. The model that has been studied makes the assumption that the H{sup +} boson can only decay into a tau lepton and a neutrino.

  12. Ground-based remote sensing scheme for monitoring aerosol-cloud...

    Office of Scientific and Technical Information (OSTI)

    Publisher: European Geosciences Union Research Org: Delft Univ. of Technology, Stevinweg, Delft (Netherlands) Sponsoring Org: USDOE Country of Publication: United States Language: ...

  13. International Power Girasolar joint company | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    search Name: International Power Girasolar joint company Sector: Solar Product: Joint venture announced between US IPWG and Netherlands-headquartered Girasolar, to...

  14. Teamwork Technology See Tocardo | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Teamwork Technology See Tocardo Jump to: navigation, search Name: Teamwork Technology See Tocardo Region: Netherlands Sector: Marine and Hydrokinetic Website: http: This company is...

  15. Innogrow BV | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search Name: Innogrow BV Place: Utrecht, Netherlands Zip: 3503 RK Product: Innogrow has developed a greenhouse product for gardening and thermal energy source....

  16. Neptune Systems | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Systems Jump to: navigation, search Name: Neptune Systems Address: PO Box 8719 Place: Breda Zip: 4820 BA Region: Netherlands Sector: Marine and Hydrokinetic Phone Number: +31 (0)...

  17. Ecofys Subsidiary of Econcern | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    of Econcern Jump to: navigation, search Name: Ecofys Subsidiary of Econcern Address: PO Box 8408 Place: Utrecht Zip: 3503 RK Region: Netherlands Sector: Marine and Hydrokinetic...

  18. U.S. and Bahamian Governments to Cooperate on Detecting Illicit...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    This is the sixth cooperative agreement and joins efforts currently underway in the Netherlands, Greece, Sri Lanka, Belgium and Spain. The specialized radiation detection ...

  19. Philips Solar | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Netherlands Zip: 5600 JM Sector: Solar Product: Responsible for the development and marketing of grid-connected solar inverters; acquired and absorbed by Steca in 2005....

  20. Belden EMEA | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Zip: 5928 Product: Netherlands-based European headquarters of Belden and supplier of signal transmission solutions. They produce PV junction boxes. References: Belden EMEA1...

  1. Shell Solar | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Jump to: navigation, search Name: Shell Solar Place: The Hague, Netherlands Zip: 2501 AN Sector: Solar Product: Shell Solar is developing non-crystalline PV technology,...

  2. Search for new phenomena in monophoton final states in proton...

    Office of Scientific and Technical Information (OSTI)

    Additional Journal Information: Journal Volume: 755; Journal Issue: C; Journal ID: ISSN 0370-2693 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  3. Contaminants in aquaculture: Overview of analytical techniques...

    Office of Scientific and Technical Information (OSTI)

    Publisher: Elsevier Sponsoring Org: USDOE Office of Nuclear Energy (NE), Fuel Cycle Technologies (NE-5) Country of Publication: Netherlands Language: English Word Cloud More Like ...

  4. Template synthesis of Ag/AgCl microrods and their efficient visible...

    Office of Scientific and Technical Information (OSTI)

    Resource Relation: Journal Name: Materials Research Bulletin; Journal Volume: 57; Other Information: Copyright (c) 2014 Elsevier Science B.V., Amsterdam, The Netherlands, All ...

  5. Searches for a heavy scalar boson H decaying to a pair of 125...

    Office of Scientific and Technical Information (OSTI)

    Additional Journal Information: Journal Volume: 755; Journal Issue: C; Journal ID: ISSN 0370-2693 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  6. Electron Correlation in Iron-Based Superconductors

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Fundamenteel Onderzoek der Materie (FOM), the Netherlands; and Consejo Nacional de Ciencia y Tecnologa (CONACyT), Mexico. Operation of the ALS is supported by BES....

  7. Kyoto: Think Global, Act Local (K:TGAL) | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Global, Act Local (K:TGAL) Jump to: navigation, search Name Kyoto: Think Global, Act Local (K:TGAL) AgencyCompany Organization Netherlands Development Cooperation Sector...

  8. Parallel heuristics for scalable community detection (Journal...

    Office of Scientific and Technical Information (OSTI)

    Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands Language: English Word Cloud More Like This Free Publicly Accessible Full Text Publisher's Version of ...

  9. Anisotropic parton escape is the dominant source of azimuthal...

    Office of Scientific and Technical Information (OSTI)

    Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands Language: English Word Cloud More Like This Free Publicly Accessible Full Text Publisher's Version of ...

  10. Evelop BV | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    projects in the Netherlands and abroad, especially in Western Europe, Eastern Europe and Latin America. Coordinates: 52.088932, 5.115405 Show Map Loading map......

  11. Phase 2 Study of Docetaxel, Cisplatin, and Concurrent Radiation...

    Office of Scientific and Technical Information (OSTI)

    ... B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: ... DNA; FAILURES; FEEDING; HEAD; HUMAN POPULATIONS; KIDNEYS; METASTASES; NECK; ...

  12. Fermilab | Newsroom | Press Releases | April 22, 2015: ICARUS...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    are Austria, Belgium, Bulgaria, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Israel, Italy, the Netherlands, Norway, Poland, Portugal, Slovakia, Spain,...

  13. Press Pass - Press Release - The CMS Tracking Detector's Midnight...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    are Austria, Belgium, Bulgaria, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden,...

  14. Foreign Distribution of U.S. Coal by Major Coal-Exporting States...

    Energy Information Administration (EIA) (indexed site)

    ," Germany ",71,"-",71," " ," Italy ",61,"-",61," " ," Netherlands ",219,"-",219," " ," Spain ",415,"-",415," " ," Turkey ",362,"-",362," " ," United Kingdom ",282,"-",282," "...

  15. Tocardo Tidal Energy Ltd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Tocardo Tidal Energy Ltd Jump to: navigation, search Name: Tocardo Tidal Energy Ltd Address: De Weel 20 Place: Zijdewind Zip: 1736KB Region: Netherlands Sector: Marine and...

  16. training

    National Nuclear Security Administration (NNSA)

    threats."

    Representatives at the workshop were from Australia, Brazil, Canada, Japan, Jordan, Mexico, South Africa, Taiwan, The Netherlands, United Arab Emirates, United...

  17. ECN-NREL Collaboration | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    has worked with Energy Research Centre of the Netherlands on policy analysis, photovoltaics (PV), wind, and biofuels research collaborations. The National Renewable Energy...

  18. Hitec Power Protection | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    search Name: Hitec Power Protection Place: Almelo, Netherlands Zip: 7602 Product: UPS flywheel systems. References: Hitec Power Protection1 This article is a stub. You can help...

  19. Blue Motion Energy | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Motion Energy Jump to: navigation, search Name: Blue Motion Energy Region: Netherlands Sector: Marine and Hydrokinetic Website: http: This company is listed in the Marine and...

  20. Forward-central two-particle correlations in p-Pb collisions...

    Office of Scientific and Technical Information (OSTI)

    0370-2693 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands Language: English Word Cloud More Like This Free Publicly Accessible Full Text Publisher's...

  1. Measurement of the branching fraction for ?(3770)???c0 ...

    Office of Scientific and Technical Information (OSTI)

    0370-2693 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands Language: English Word Cloud More Like This Free Publicly Accessible Full Text Publisher's...

  2. Hartree-Fock many-body perturbation theory for nuclear ground...

    Office of Scientific and Technical Information (OSTI)

    Hartree-Fock many-body perturbation theory for nuclear ground-states Prev Next ... Sponsoring Org: USDOE Country of Publication: Netherlands Language: English Word Cloud ...

  3. Information Toolkit for post-2012 climate policies | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    Organization: Energy Research Centre of the Netherlands Partner: Brinkman Climate Change Sector: Energy Topics: Co-benefits assessment, Policiesdeployment programs, Pathways...

  4. Ecostream | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Ecostream Place: Utrecht, Netherlands Zip: NL-3526 KL Sector: Solar Product: Dutch provider of turnkey solar power plants and PV systems. Coordinates: 52.088932, 5.115405...

  5. Dutch Space BV | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Dutch Space BV Jump to: navigation, search Name: Dutch Space BV Place: Leiden, Netherlands Zip: 2333 Sector: Solar Product: Leiden-based supplier of subsystems for the European...

  6. LEDSGP/analysis/impacts/DIAWebinar on Development Impact Assessment...

    OpenEI (Open Energy Information) [EERE & EIA]

    for Low Emissions Development AgencyCompany Organization: National Renewable Energy Laboratory, Energy Research Centre of the Netherlands (ECN), Joint Implementation...

  7. An introduction of new features for conventional and hybrid GSHP...

    Office of Scientific and Technical Information (OSTI)

    Additional Journal Information: Journal Volume: 105; Journal Issue: C; Journal ID: ISSN 0378-7788 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  8. Spintronic properties of Li1.5Mn0.5Z (Z=As, Sb) compounds in...

    Office of Scientific and Technical Information (OSTI)

    Additional Journal Information: Journal Volume: 377; Journal Issue: C; Journal ID: ISSN 0304-8853 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  9. O3-type Na(Mn0.25Fe0.25Co0.25Ni0.25)O2: A quaternary layered...

    Office of Scientific and Technical Information (OSTI)

    Additional Journal Information: Journal Volume: 49; Journal Issue: C; Journal ID: ISSN 1388-2481 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  10. Ion source development for ultratrace detection of uranium and...

    Office of Scientific and Technical Information (OSTI)

    Additional Journal Information: Journal Volume: 361; Journal Issue: C; Journal ID: ISSN 0168-583X Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  11. Hysteresis in single and polycrystalline iron thin films: Major...

    Office of Scientific and Technical Information (OSTI)

    Edwards, Danny; Johnson, Bradley R.; McCloy, John Elsevier None USDOE Netherlands 2015-12-01 English Journal Article Journal Name: Journal of Magnetism and Magnetic...

  12. model Anderson, Ryan; Bates, Liana; Johnson, Erick; Morris, Jeffrey...

    Office of Scientific and Technical Information (OSTI)

    Ryan; Bates, Liana; Johnson, Erick; Morris, Jeffrey F. Elsevier None USDOE Netherlands 2015-12-01 English Journal Article Journal Name: Journal of Energy Storage; Journal Volume:...

  13. Development of a plasmid addicted system that is independent...

    Office of Scientific and Technical Information (OSTI)

    Ruiz, Natividad; Yang, Shang-Tian; Tabita, F. Robert Elsevier None USDOE Netherlands 2015-12-01 English Journal Article Journal Name: Metabolic Engineering Communications;...

  14. U.S. and Iceland Sign Bilateral Agreement to Develop Clean Geothermal...

    Office of Environmental Management (EM)

    Nations represented in this week's events include Australia, Belgium, Canada, Czech Republic, France, Germany, Greece, Iceland, Italy, Japan, Mexico, New Zealand, Netherlands, ...

  15. International Stationary Fuel Cell Demonstration

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    * Plug Power (US)Plug Power (Netherlands) * PEMEAS E-TEK USPEMEAS (Germany) * Vaillant (Germany) * Domel (Slovenia) * Bulgarian Academy of Sciences (Bulgaria) * Gaia ...

  16. OSTI, US Dept of Energy Office of Scientific and Technical Information...

    Office of Scientific and Technical Information (OSTI)

    ... in place with eight industrialized countries: Denmark, France, Federal Republic of Germany, the Netherlands, Finland, Norway, Sweden, and the United Kingdom 1986 Use of RECON ...

  17. Slide 1

    Office of Environmental Management (EM)

    ... 2006) * Sweden, Switzerland, Belgium, U.K., Canada, US (WIPP) - Other Countries * Germany, Japan, Finland, France, South Korea, Spain, Netherlands 5 June 3, 2014 FEP Analysis ...

  18. International Group Gathers in Knoxville to Discuss Sharing Science...

    Office of Scientific and Technical Information (OSTI)

    Denmark, Finland, Germany, the Netherlands, Norway, Portugal, Sweden, Switzerland, the U.K. and the International Atomic Energy Agency's International Nuclear Information System. ...

  19. Program on Forests | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    the Japanese International Forestry Cooperation Office, the Ministry of Agriculture, Nature and Food Quality of the Netherlands, and the Swiss Development Cooperation (SDC). The...

  20. LEDSGP/events-past | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Netherlands, at the Research School for Socio-Economic and Natural Sciences of the Environment (SENSE), he coordinates the research cluster on global environmental governance and...

  1. Search for W' decaying to tau lepton and neutrino in proton-proton...

    Office of Scientific and Technical Information (OSTI)

    Additional Journal Information: Journal Volume: 755; Journal Issue: C; Journal ID: ISSN 0370-2693 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  2. Search for new phenomena in final states with large jet multiplicities...

    Office of Scientific and Technical Information (OSTI)

    Additional Journal Information: Journal Name: Physics Letters. Section B; Journal ID: ISSN 0370-2693 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  3. A cyclic universe approach to fine tuning (Journal Article) ...

    Office of Scientific and Technical Information (OSTI)

    Additional Journal Information: Journal Volume: 757; Journal Issue: C; Journal ID: ISSN 0370-2693 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  4. Nucleon effective E-mass in neutron-rich matter from the Migdal...

    Office of Scientific and Technical Information (OSTI)

    Additional Journal Information: Journal Volume: 757; Journal Issue: C; Journal ID: ISSN 0370-2693 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  5. Shining LUX on isospin-violating dark matter beyond leading order...

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  10. Publications | Center for Energy Efficient Materials

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  12. Energy Transition Initiative: Island Energy Snapshot - Aruba (Fact Sheet); NREL (National Renewable Energy Laboratory)

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  1. Connecting physical resonant amplitudes and lattice QCD (Journal...

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  5. PART II - CONTRACT CLAUSES

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  7. Appendix A: Reference case

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  3. Bluewater | Open Energy Information

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  4. GiraSolar Inc formerly GiraSolar BV | Open Energy Information

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  8. First measurement of the helicity asymmetry E in η photoproduction...

    Office of Scientific and Technical Information (OSTI)

    ... Additional Journal Information: Journal Volume: 755; Journal Issue: C; Journal ID: ISSN 0370-2693 Publisher: Elsevier Sponsoring Org: USDOE Country of Publication: Netherlands ...

  9. Overview of Existing Home Energy Labels

    Energy.gov [DOE] (indexed site)

    ... piloted in Denmark, the Netherlands, Austria, and Greece. ... CommentsExplanations EnergySmart Home Scale ENERGY STAR for ... Dave Roberts National Renewable Energy Laboratory (NREL) ...

  10. Senior Staff Meeting

    ScienceCinema

    None

    2016-07-12

    Le DG C.Rubbia informe sur les négociations avec le personnel, les discussions avec le conseil d'administration et le budget, suivi des questions

  11. Microsoft Word - Foreign Obligation Codes.docx

    National Nuclear Security Administration (NNSA)

    34 88 Japan 35 89 Peoples' Republic of China 36 C1 Russia 37 A8 Switzerland 38 A1 ...JapanLes Centrifuge Enrichment 76 B7 ChinaJapanLes Centrifuge Enrichment 77 A9 ...

  12. Nebraska/Incentives | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Electric System (Commercial and Industrial) - Sustainable Energy Program (Nebraska) Utility Rebate Program Yes Lincoln Electric System (LES) - Commercial and Industrial...

  13. Large Eddy Simulations: Where

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Eddy Simulations: Where observations and modeling collides July 18, 2015 Cascade of Models ⌅ General Circulation Models ⌅ Regional Models ⌅ Large-Eddy Simulations ⌅ Direct Numerical Simulations LES GCM vs LES History Theory What if? Using LES together with Observations Testbed LES 2 / 37 Cascade of Models General Circulation Models ⌅ Domain size: Entire Earth ⌅ Horizontal Boundary conditions: None ⌅ Horizontal grid spacing: 50km ⌅ Total number of points: about 400 ⇥ 400 ⇥ 100

  14. LLNL-MSP-GSS-001.pdf

    Energy Saver

    LES' URENCO-USA Facility LES' URENCO-USA Facility PowerPoint slides on LES's URENCO-USA Facility LES' URENCO-USA Facility (581.43 KB) More Documents & Publications Excess Uranium Management 2014 Review of the Potential Impact of DOE Excess Uranium Inventory On the Commercial Markets Memorandum Memorializing Ex Parte Communication

    LINAC Coherent Light Source LINAC Coherent Light Source Forty years after the Stanford Linear Accelerator Center (now the SLAC National Accelerator Laboratory)

  15. Lincoln Electric System (Residential)- 2015 Sustainable Energy Program

    Energy.gov [DOE]

    Lincoln Electric System (LES) offers several rebates to residential customers who are interested in upgrading to energy efficient household equipment.

  16. Senior Staff

    ScienceCinema

    None

    2016-07-12

    Discussion entre la direction du Cern et les chefs de divisions et groupes(reorganization of research section)

  17. Midday Meeting- Chemically induced Mind Alteration

    ScienceCinema

    None

    2011-04-25

    Le Docteur Hugo Solms parle de l'abus des drogues, pourquoi les gens en prennent et comment vivre sans

  18. Alpha1 LASSO data bundles Lamont, OK (Dataset) | Data Explorer

    Office of Scientific and Technical Information (OSTI)

    Alpha1 LASSO data bundles Lamont, OK Title: Alpha1 LASSO data bundles Lamont, OK A data bundle is a unified package consisting of LASSO LES input and output, observations, evaluation diagnostics, and model skill scores. LES input includes model configuration information and forcing data. LES output includes profile statistics and full domain fields of cloud and environmental variables. Model evaluation data consists of LES output and ARM observations co-registered on the same grid and sampling

  19. Browse by Discipline -- E-print Network Subject Pathways: Environmenta...

    Office of Scientific and Technical Information (OSTI)

    F G H I J K L M N O P Q R S T U V W X Y Z Energy Research Centre of the Netherland(nergy Research Centre of the Netherlan)ds Evans, Robert O.(Robert O.Evans).- Department of...

  20. Memorandum Memorializing Ex Parte Communication

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    On February 17, 2011, personnel from Urenco, Inc. on behalf of Louisiana Energy Services, LLC ("LES") met with U.S. Department of Energy (DOE) staff to discuss DOE's Notice of Inquiry and request for comments on regulations pertaining to the Convention on Supplementary Compensation for Nuclear Damage, as published in the Federal Register on July 27, 2010 (75 FR 43945). Discussion included an overview of LES activities; LES operates the URENCO USA gas centrifuge facility located in

  1. Amnesty International

    ScienceCinema

    None

    2011-04-25

    Martin Ennals est secrétaire général d'Amnesty International et fait un discours sur les droits de l'homme

  2. Stochastic (w*) Convergence for Turbulent Combustion | Argonne...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Stochastic (w*) Convergence for Turbulent Combustion PI Name: James Glimm PI Email: ... chemistry for LES, and (2) stochastic (w*) convergence based on probability ...

  3. Azimuthal Instabilities in Annular Combustion Chambers | Argonne...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Azimuthal Instabilities in Annular Combustion Chambers Authors: Wolf, P., Staffelbach, G., Balakrishnan, R., Roux, A., Poinsot, T. Large Eddy Simulations (LES) of a full annular ...

  4. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    (Commercial and Industrial)- 2015 Sustainable Energy Program Lincoln Electric System (LES) offers a variety of energy efficiency incentives for commercial and industrial...

  5. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    System (Commercial and Industrial)- Sustainable Energy Program Lincoln Electric System (LES) offers a variety of energy efficiency incentives to their commercial and industrial...

  6. boehm-98.pdf

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    a cirrus cloud model. Model The cirrus model is a two-dimensional large-eddy simulation (LES) model with coupled dynamics, radiative transfer, and microphysics modules. The...

  7. Sticky Thermals: Evidence for a Dominant Balance Between

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    by studying thousands of cloud thermals in a high- resolution large-eddy simulation (LES) of deep convection. Schematically, the acceleration of a cloud thermal can be written...

  8. Modeling Precipitating Cumulus Congestus Observed by the ARM...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    (GCMs). Typically, results from cloud-resolving models (CRMs) or large-eddy simulation (LES) models serve as benchmarks for developing and tuning single-column models (SCMs),...

  9. Doug Longman | Argonne National Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    of Nozzle Orifice Geometry Fuel Spray Modeling High-Fidelity Large Eddy Simulations (LES) Multi-Dimensional Modeling Simulation Approaches for Drop-in Biofuels Virtual Engine...

  10. Clipsol | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Clipsol Jump to: navigation, search Name: Clipsol Place: AIX-LES-BAINS, France Zip: 73100 Sector: Solar Product: France-based, solar heater producer. References: Clipsol1 This...

  11. Heliowatt | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Heliowatt Jump to: navigation, search Name: Heliowatt Place: les Angles, France Zip: 30133 Sector: Solar Product: Heliowatt is the solar arm of Aerowatt established to develop...

  12. ARM - Facility News Article

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    priorities for enhancing the outcomes of running routine large-eddy simulation (LES) simulations as outlined in the report: Carry out a pilot study in which the issues...

  13. Solydair Energies | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    search Logo: Solydair Energies Name: Solydair Energies Address: Miraval Place: Les Thuiles Zip: 04400 Sector: Renewable Energy Product: Solar Evolution Year Founded: 2009...

  14. VHF Technologies SA aka Flexcell | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search Name: VHF-Technologies SA (aka Flexcell) Place: Yverdon-les-Bains, Switzerland Zip: CH-1400 Product: Manufactures thin-film amorphous silicon PV...

  15. Alterna Recursos Energetics SL | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    search Name: Alterna Recursos Energetics SL Place: Les Franqueses del Valls, Spain Zip: 8520 Product: Spain-based installer and marketer of roof-mounted PV systems....

  16. Microsoft PowerPoint - NMMSS Role in Preparing a New Facility...

    National Nuclear Security Administration (NNSA)

    - LES owned and operated by URENCO USA NMMSS reports importexport activity ... and capability Significant amounts of data mapping and the inherent precision ...

  17. ASC eNews Quarterly Newsletter September 2012 | National Nuclear...

    National Nuclear Security Administration (NNSA)

    ... Performance-Based Code Assessment for Low Mach Large Eddy Simulations (LES) Sandia has completed a performance-based assessment of fluid dynamics simulation capabilities within the ...

  18. Lincoln Electric System (Commercial and Industrial)- Sustainable Energy Program

    Office of Energy Efficiency and Renewable Energy (EERE)

    Lincoln Electric System (LES) offers a variety of energy efficiency incentives to their commercial and industrial customers through the Sustainable Energy Program (SEP). Some incentives are...

  19. Lincoln Electric System (Residential)- Sustainable Energy Program

    Office of Energy Efficiency and Renewable Energy (EERE)

    Lincoln Electric System (LES) offers several rebates to their residential customers who are interested in upgrading to energy efficient household equipment. 

  20. Convention on Supplementary Compensation for Nuclear Damage Contingent...

    Office of Environmental Management (EM)

    Section 934 Convention on Supplementary Compensation for Nuclear Damage Contingent Cost Allocation, Section 934 LES comments in response to Notice of Inquiry on Convention on...

  1. Decadal Vision Progress Report Implementation Plans and Status...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Atmospheric Sounding Measurements using Unmanned Systems FNL Final Data produced by the ... Campaigns for ARM Research using Unmanned Systems LASSO LES ARM Symbiotic ...

  2. Evaluation of Techniques to Detect Significant Network Performance...

    Office of Scientific and Technical Information (OSTI)

    results compare and evaluate the accuracy of our detection techniques when applied to step downup, diurnal changes and congestion effects. less Authors: Cottrell, R.Les ;...

  3. Search for: All records | DOE PAGES

    Office of Scientific and Technical Information (OSTI)

    (LES) model are also examined with the same approach. ... Three commonly used parameterizations are also tested on the ... by an exponential function, providing first attempt ...

  4. Calibration and Forward Uncertainty Propagation for Large-eddy Simulations of Engineering Flows

    SciTech Connect

    Templeton, Jeremy Alan; Blaylock, Myra L.; Domino, Stefan P.; Hewson, John C.; Kumar, Pritvi Raj; Ling, Julia; Najm, Habib N.; Ruiz, Anthony; Safta, Cosmin; Sargsyan, Khachik; Stewart, Alessia; Wagner, Gregory

    2015-09-01

    The objective of this work is to investigate the efficacy of using calibration strategies from Uncertainty Quantification (UQ) to determine model coefficients for LES. As the target methods are for engineering LES, uncertainty from numerical aspects of the model must also be quantified. 15 The ultimate goal of this research thread is to generate a cost versus accuracy curve for LES such that the cost could be minimized given an accuracy prescribed by an engineering need. Realization of this goal would enable LES to serve as a predictive simulation tool within the engineering design process.

  5. Jawaharlal Nehru

    ScienceCinema

    None

    2011-04-25

    L'orateur S.E. Giusti del Giardino a connu Nehru (ennemi des castes) les dernières années de sa vie

  6. Browse by Discipline -- E-print Network Subject Pathways: Biotechnolog...

    Office of Scientific and Technical Information (OSTI)

    ... Romu (Romu Romero) - Departament de Fsica, Universitat de les Illes Balears Romps, ... Universit di - Dipartimento di Fisica, Laboratorio di Fisica Terrestre Royal ...

  7. Convention on Supplementary Compensation for Nuclear Damage Contingent Cost Allocation, Section 934

    Energy.gov [DOE]

    LES comments in response to Notice of Inquiry on Convention on Supplementary Compensation for Nuclear Damage Contingent Cost Allocation, Section 934

  8. EERE PowerPoint 97-2004 Template: Green Version

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    capabilities through the novel integration of newly emerging, surface-based techniques. ... - Adam Schultz - Paul Vincent Zonge International - Scott Urquhart - Les Beard Project ...

  9. Research Highlight

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    convection using a new technique for large-eddy simulations (LES) called "Eulerian direct measurement". These results were confirmed by Dawe and Austin (2011) using a related...

  10. Lincoln Electric System (Commercial and Industrial)- 2015 Sustainable Energy Program

    Energy.gov [DOE]

    Lincoln Electric System (LES) offers a variety of energy efficiency incentives for commercial and industrial customers through the Sustainable Energy Program (SEP). Some incentives are provided on...

  11. Synthesis and characterisation of hexagonal molybdenum nitrides...

    Office of Scientific and Technical Information (OSTI)

    DOI: 10.1016j.jssc.2006.05.025; PII: S0022-4596(06)00310-0; Copyright (c) 2006 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: ...

  12. RPT_PERIOD","R_S_NAME","LINE_NUM","PROD_CODE","PROD_NAME","PORT...

    Energy Information Administration (EIA) (indexed site)

    ID","IDAHO",4,260,"CANADA",1,0,0,,,,,," " "applicationvnd.ms-excel","ALPAC MARKETING SERV ",1,093,"Other Hydrocarbons",5301,"HOUSTON, TX","TEXAS",3,630,"NETHERLANDS",50,...

  13. Annual Coal Distribution Tables

    Energy Information Administration (EIA) (indexed site)

    1,104 - 1,104 Bulgaria 82 - 82 Egypt 518 - 518 Italy 115 - 115 Netherlands 56 83 139 Spain 412 84 496 Turkey 581 - 581 United Kingdom 654 - 654 Kentucky 2,130 - 2,130 Canada 920...

  14. file://C:\\Documents%20and%20Settings\\ICR\\My%20Documents\\Coal...

    Energy Information Administration (EIA) (indexed site)

    Bulgaria 75 - 75 Egypt 363 - 363 Germany 71 - 71 Italy 61 - 61 Netherlands 219 - 219 Spain 415 - 415 Turkey 362 - 362 United Kingdom 282 - 282 Kentucky 1,404 - 1,404 Canada 433...

  15. file://G:\\mydocs\\Coal\\Distribution\\2003\\distable2.HTML

    Energy Information Administration (EIA) (indexed site)

    363 - 363 Egypt 477 - 477 Germany 167 - 167 Italy 87 - 87 Netherlands 399 - 399 Spain 198 - 198 Turkey 551 - 551 United Kingdom 359 - 359 Kentucky 1,449 - 1,449 Canada 566...

  16. Foreign Distribution of U.S. Coal by Major Coal-Exporting States...

    Energy Information Administration (EIA) (indexed site)

    ",477,"-",477 ,"Germany ",167,"-",167 ,"Italy ",87,"-",87 ,"Netherlands ",399,"-",399 ,"Spain ",198,"-",198 ,"Turkey ",551,"-",551 ,"United Kingdom ",359,"-",359 "Kentucky...

  17. Transportation and Program Management Services

    Office of Environmental Management (EM)

    Greece, Indonesia, Italy, Kazakhstan, Netherlands, North K Phili i P t l R i S tl d Sl i S th K T i Th il d Korea, Philippines, Portugal, Romania, Scotland, Slovenia, South ...

  18. Pierre Auger Observatory and Telescope Array: Joint Contributions to the 34th International Cosmic Ray Conference (ICRC 2015)

    SciTech Connect

    Abbasi, R.U.; et al.

    2015-11-06

    Joint contributions of the Pierre Auger Collaboration and the Telescope Array Collaboration to the 34th International Cosmic Ray Conference, 30 July - 6 August 2015, The Hague, The Netherlands.

  19. Electric-pulse discharge as a novel technique to synthesize ...

    Office of Scientific and Technical Information (OSTI)

    10.1016j.materresbull.2007.02.025; PII: S0025-5408(07)00060-8; Copyright (c) 2007 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: ...

  20. Scheuten Delta | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Product: Netherlands-based JV focused on integrated solar project development across the supply chain. References: Scheuten Delta1 This article is a stub. You can help OpenEI by...

  1. Company Name Company Name Address Place Zip Sector Product Website

    OpenEI (Open Energy Information) [EERE & EIA]

    Industries GmbH SunCoal Industries GmbH K nigs Wusterhausen Germany Producer of bio coal SunConnex International BV SunConnex International BV Amsterdam Netherlands Solar Dutch...

  2. Hydrogen production from water decomposition by redox of Fe{sub...

    Office of Scientific and Technical Information (OSTI)

    DOI: 10.1016j.jssc.2010.03.017; PII: S0022-4596(10)00095-2; Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved. Country of...

  3. Synthesis of low loss, thermally stable Ce{sub x}Y{sub 1-x}TiTaO...

    Office of Scientific and Technical Information (OSTI)

    10.1016j.materresbull.2008.06.005; PII: S0025-5408(08)00207-9; Copyright (c) 2008 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input:...

  4. Study of Z boson production in pPb collisions at sNN=5.02TeV...

    Office of Scientific and Technical Information (OSTI)

    Country of Publication: Netherlands Language: English Word Cloud More Like This Free Publicly Accessible Full Text Publisher's Version of Record at 10.1016j.physletb.2016.05.044

  5. This Week In Petroleum Summary Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    than 90% of Syria's oil exports went to countries in the European Union (E.U.), with Germany, Italy, France and the Netherlands as the largest buyers. But while crude exports to...

  6. January 2013 Most Viewed Documents for Power Generation And Distributi...

    Office of Scientific and Technical Information (OSTI)

    Crudeli, R. ENEL SpA, Milan (Italy) Failure analyses and weld repair of boiler feed water pumps Vulpen, R. van KemaPower Generation, Arnhem (Netherlands) Computer electric ...

  7. DNA

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    LOS ALAMOS, N.M., Sept. 15, 2014-When this week's print issue of the journal Science comes out, a collective cheer will go up from New Mexico, Montana and even the Netherlands, ...

  8. Secretary Comments on the Selection of the Next Executive Director...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Washington, D.C. - The Governing Board of the International Energy Agency (IEA) today announced that their 28 members have selected Maria Van der Hoeven of the Netherlands, the ...

  9. Collaboration drives achievement in protein structure research

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    LOS ALAMOS, N.M., Sept. 15, 2014-When this week's print issue of the journal Science comes out, a collective cheer will go up from New Mexico, Montana and even the Netherlands, ...

  10. ARM - Facility News Article

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    He contacted Elsevier's Journal and Data Solutions team, based out of the Netherlands, to make the connection. "Our long term vision is to link ARM data with their publication ...

  11. Anti-Alpha Particles Observed for the First Time | U.S. DOE Office...

    Office of Science (SC)

    ... Ministry of Ed. and Sci. of the Russian Federation, NNSFC, CAS, MoST, and MoE of China, GA and MSMT of the Czech Republic, FOM and NWO of the Netherlands, DAE, DST, and CSIR ...

  12. Energy Transition Initiative: Island Energy Snapshot - Saint Martin/Sint Maarten

    SciTech Connect

    2015-09-01

    This profile provides a snapshot of the energy landscape of the northeast Caribbean island Saint Martin. The island is divided between two nations, France in the north (Saint-Martin) and the Netherlands in the south (Sint Maarten).

  13. refractory_retain_whyte_APS07.ppt

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    2 1 Plasma Science & Fusion Center, MIT, Cambridge USA 2 FOM-Rijnhuizen, Netherlands APS Division of Plasma Physics Meeting Mini-Conference: First Micron of the Wall November...

  14. De Lage Landen | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Name: De Lage Landen Place: Eindhoven, Netherlands Zip: P.O. Box 652 Sector: Solar, Wind energy Product: De Lagen Landen is a leasing company which is wholly owned by Rabo...

  15. Nitrogen-doped zirconia: A comparison with cation stabilized...

    Office of Scientific and Technical Information (OSTI)

    DOI: 10.1016j.jssc.2005.10.012; PII: S0022-4596(05)00462-7; Copyright (c) 2005 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: ...

  16. Implementation of Parallel Dynamic Simulation on Shared-Memory...

    Office of Scientific and Technical Information (OSTI)

    on Control of Power and Energy Systems (CPES 2015), December 9-11, 2015, New Delhi, India. IFAC-PapersOnLine, 48(30):221-226 Publisher: S Mishra; Elsevier, Amsterdam, Netherlands. ...

  17. Cu{sub 22}Bi{sub 12}S{sub 21}Cl{sub 16}-A mixed conductor with...

    Office of Scientific and Technical Information (OSTI)

    Issue: 1; Other Information: DOI: 10.1016j.jssc.2010.10.038; PII: S0022-4596(10)00495-0; Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved. ...

  18. A P van den Berg | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    to: navigation, search Name: A. P. van den Berg Place: Heerenveen, Netherlands Zip: P.O. Box 68, 8440 AB Sector: Geothermal energy, Solar Product: Designs and installs soil...

  19. About - OpenEI Datasets

    OpenEI (Open Energy Information) [EERE & EIA]

    and Netherland government portals, as well as city and municipal sites in the US, UK, Argentina, Finland and elsewhere. CKAN: http:ckan.org CKAN Tour: http:ckan.orgtour...

  20. Iran Thomas Auditorium, 8600

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    interface properties of oxide heterostructures Guus Rijnders MESA+ Institute for Nanotechnology University of Twente, Enschede, the Netherlands CNMS D D I I S S C C O O V V E E R...

  1. Microsoft PowerPoint - 19 Kevin Brown

    Office of Environmental Management (EM)

    EVALUATING WASTEFORM LEACHING AND PERFORMANCE DOE COMMUNITY OF PRACTICE (P&RA COP) ANNUAL TECHNICAL EXCHANGE MEETING GERMANTOWN, MARYLAND OCTOBER 19 AND 20, 2016 Kevin G. Brown 1 , David S. Kosson 1 , Janelle Branch Lewis 1 , Andrew C. Garrabrants 1 , Hans van der Sloot 2 , Paul Seignette 3 , J.C.L Meeussen 4 1 Vanderbilt University 2 Hans van der Sloot Consultancy 3 Energy Research Center of the Netherlands 4 Nuclear Research Group (Netherlands) SUMMARY OF MAJOR ACTIVITIES * Experimental -

  2. BALTEX BRIDGE cloud liquid water network project: CLIWA-NET

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    3/2008 ARM-08 Photo courtesy Bjorn Stevens ARM-GEWEX Cloud System Studies (GCSS) Collaborations: Past-Present-Future A. Pier Siebesma siebesma@knmi.nl chair GCCS KNMI, De Bilt, The Netherlands Technical University Delft Multiscale Physics Group Delft, The Netherlands 4/3/2008 ARM-08 Topics Introduction to GCSS activities Examples and Results for parameterization development in the past. (has it made a difference?) Past and Present Collaborations and results between ARM and GCSS The Future: How

  3. Phyllostomid bat microbiome composition is associated to host phylogeny and feeding strategies

    Office of Scientific and Technical Information (OSTI)

    19 May 2015 doi: 10.3389/fmicb.2015.00447 OPEN ACCESS Edited by: Boran Kartai, Radboud University, Netherlands Reviewed by: Guus Roeselers, TNO, Netherlands Caleb Dakotah Phillips, Texas Tech University, USA Correspondence: Luisa I. Faicon, Laboratorio de Ecoiogfa Bacteriana, Instituto de Ecoiogfa, Universidad Nacionai Autonoma de Mexico, Circuito exterior sn, Cd. Universitaria, Coyoacan 04510, Mexico faicon@ecoiogia. unam.mx *These authors have contributed equaiiy to this work. Specialty

  4. Top quark mass measurement in the dilepton channel during the D0 experiment at the Tevatron. Mesure de la masse du quark top dans les canaux di-leptoniques auprès de l’expérience DØ au Tevatron

    SciTech Connect

    Croc, Aurelien

    2011-01-01

    The top quark is the heaviest standard model quark. Discovered in 1995 by the two Tevatron experiments it has atypical properties. In particular its time life is so short that it decays before hadronizing, so the top quark mass could be measured with a high precision. Data collected by the DØ experiment between 2002 and 2009, which represent an integrated luminosity of 5.4 fb⁻¹, are used to measure the top quark mass by using the matrix element method in the three dilepton channels: dielectron, electron--muon and dimuon. The measured mass, 174.0 ± 1.8 (stat.) ± 2.4 (syst.) GeV, is in a good agreement with other measurements and limited by the systematic uncertainties for the first time in these channels. In this thesis different approaches have been studied to improve the accuracy of this measurement: the use of b-quark jet identification in order to optimize the selection of top--anti-top events and a better determination of the main systematic uncertainties. A special attention has been paid to the Monte-Carlo simulation of muons in DØ: the improved smearing procedure for the simulated muons, discussed in this thesis, will be used to increase the accuracy of the top properties measurements as well as the precision of many other DØ measurements.

  5. Method for altering the luminescence of a semiconductor

    DOEpatents

    Barbour, J.C.; Dimos, D.B.

    1999-01-12

    A method is described for altering the luminescence of a light emitting semiconductor (LES) device. In particular, a method is described whereby a silicon LES device can be selectively irradiated with a radiation source effective for altering the intensity of luminescence of the irradiated region. 4 figs.

  6. Method for altering the luminescence of a semiconductor

    DOEpatents

    Barbour, J. Charles (Albuquerque, NM); Dimos, Duane B. (Albuquerque, NM)

    1999-01-01

    A method is described for altering the luminescence of a light emitting semiconductor (LES) device. In particular, a method is described whereby a silicon LES device can be selectively irradiated with a radiation source effective for altering the intensity of luminescence of the irradiated region.

  7. Science anc Society

    SciTech Connect

    2006-09-12

    S.P.Worden, membre technique de l'U.S.délégation à Genève pour les négociations sur les armes nucléaires, est physicien, astronome, scientifique et officier de l'armée de l'air. Il parlera des technologies de défense stratégique

  8. Danger radiations

    ScienceCinema

    None

    2016-07-12

    Le conférencier Mons.Hofert parle des dangers et risques des radiations, le contrôle des zones et les précautions à prendre ( p.ex. film badge), comment mesurer les radiations etc.

  9. Large eddy simulation models for incompressible magnetohydrodynamics derived from the variational multiscale formulation

    SciTech Connect

    Sondak, David; Oberai, Assad A.

    2012-10-15

    Novel large eddy simulation (LES) models are developed for incompressible magnetohydrodynamics (MHD). These models include the application of the variational multiscale formulation of LES to the equations of incompressible MHD. Additionally, a new residual-based eddy viscosity model is introduced for MHD. A mixed LES model that combines the strengths of both of these models is also derived. The new models result in a consistent numerical method that is relatively simple to implement. The need for a dynamic procedure in determining model coefficients is no longer required. The new LES models are tested on a decaying Taylor-Green vortex generalized to MHD and benchmarked against classical LES turbulence models. The LES simulations are run in a periodic box of size [-{pi}, {pi}]{sup 3} with 32 modes in each direction and are compared to a direct numerical simulation (DNS) with 512 modes in each direction. The new models are able to account for the essential MHD physics which is demonstrated via comparisons of energy spectra. We also compare the performance of our models to a DNS simulation by Pouquet et al.['The dynamics of unforced turbulence at high Reynolds number for Taylor-Green vortices generalized to MHD,' Geophys. Astrophys. Fluid Dyn. 104, 115-134 (2010)], for which the ratio of DNS modes to LES modes is 262:144.

  10. Learning environment simulator: a tool for local decision makers and first responders

    SciTech Connect

    Leclaire, Rene J; Hirsch, Gary B

    2009-01-01

    The National Infrastructure Simulation and Analysis Center (NISAC) has developed a prototype learning environment simulator (LES) based on the Critical Infrastructure Protection Decision Support System (CIPDSS) infrastructure and scenario models. The LES is designed to engage decision makers at the grass-roots level (local/city/state) to deepen their understanding of an evolving crisis, enhance their intuition and allow them to test their own strategies for events before they occur. An initial version is being developed, centered on a pandemic influenza outbreak and has been successfully tested with a group of hospital administrators and first responders. LES is not a predictive tool but rather a simulated environment allowing the user to experience the complexities of a crisis before it happens. Users can contrast various approaches to the crisis, competing with alternative strategies of their own or other participants. LES is designed to assist decision makers in making informed choices by functionally representing relevant scenarios before they occur, including impacts to critical infrastructures with their interdependencies, and estimating human health & safety and economic impacts. In this paper a brief overview of the underlying models are given followed by a description of the LES, its interface and usage and an overview of the experience testing LES with a group of hospital administrators and first responders. The paper concludes with a brief discussion of the work remaining to make LES operational.

  11. Explorer : des clés pour mieux comprendre la matière

    ScienceCinema

    None

    2016-07-12

    Le LHC va-t-il bouleverser les théories de l'infiniment petit ? Les physiciens aimeraient que l'accélérateur fasse trembler le modèle standard. Cette théorie des particules élémentaires et des forces laisse de nombreuses zones d'ombre. Le LHC et ses expériences ont été conçus pour les éclairer.

  12. Microsoft Word - Foreign Obligation Codes.docx

    National Nuclear Security Administration (NNSA)

    Obligation Codes - Updated March 2014 Transaction Code Material Balance Code Obligation 1 31 85 Australia 32 86 Canada 33 87 EURATOM 34 88 Japan 35 89 Peoples' Republic of China 36 C1 Russia 37 A8 Switzerland 38 A1 Argentina 39 A2 Brazil 40 A3 Chile 65 C4 Japan/Russia 66 C5 EURATOM/Russia 67 C6 Australia/Japan/Russia 68 C7 Canada/Japan/Russia 69 C8 EURATOM/Japan/Russia 70 B1 Les Centrifuge Enrichment/Japan 71 B2 Australia/Japan/Les Centrifuge Enrichment 72 B3 Canada/Japan/Les Centrifuge

  13. Inauguration Expo Sweden

    ScienceCinema

    None

    2011-04-25

    Le DG H.Schopper inaugure cette exposition, remercie les personnes qui ont contribué à sa réalisation et donne la parole à l'ambassadeur de Suède et aux autres intervenants

  14. Eia.gov BETA - Analysis & Projections - U.S. Energy Information...

    Energy Information Administration (EIA) (indexed site)

    Dfinitions relis aux cartes English Franais Espaol A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Parcourir les termes lis aux catgories suivantes: ...

  15. High Efficiency Recoil

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    High efficiency will be achieved when will be achieved a reasonable balance between signal and noise ratio. Upgrade U---400R SHE---Factory DC---280 Projec8les Stable a nd RIB ( T1...

  16. Speech and council's dinner

    ScienceCinema

    None

    2016-07-12

    Le D.G. L.van Hove rend hommage à deux personnalités, les Prof. Wolfgang Gendner (?) et ?, quittants le conseil du Cern. Elles prendront ensuite la parole.

  17. Expo NL inauguration

    ScienceCinema

    None

    2016-07-12

    Le DG H.Schopper souhaite la bienvenue à toutes les personnes présentes. Plusieurs discours à l'occasion de l'inauguration officielle de l'expo des Pays-Bas.

  18. Microsoft Word - kassianov_1_-ei.doc

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... two sets of cloud fields generated by LES simulation: (a, c) first set (motion of cloud field only), (b,d) ... of vertical cloud structure, in contrast, N hemisph () ...

  19. Upcoming Release of the University of Minnesota's Virtual Wind...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... Large-eddy simulation (LES) of wind farms with wind-turbine parameterization is emerging ... For wind-farm applications, it can either resolve turbine geometrical details or use ...

  20. Meeting DG-Staff Association

    ScienceCinema

    None

    2016-07-12

    Discussion avec le DG J.Adams et Mons.Ullmann, concernant les problèmes liés aux conditions de travail, horaires (44h), salaire, allocations, indemnisations, allocations etc.

  1. 1

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    (3D) broken field of marine clouds is simulated by using large-eddy simulation (LES) model. The obtained 3D cloud field is considered as a real 3D cloud field. Second, we...

  2. Large Eddy Simulations of Combustor Liner Flows | Argonne Leadership...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    zone and turbine, current simulations will use wall-modeled large-eddy simulations (LES) to analyze flow in single and multi-cup combustors. An in-depth study of the detailed...

  3. Meeting Summary for Development of the Hanford Site C Tank Farm...

    Office of Environmental Management (EM)

    Damon Ecology ddel461@ecy.wa.gov Dunning, Dirk ODOE dirk.a.dunning@state.or.us Eberlein, Susan WRPS susanjeberlein@rl.gov Fort, Les WRPS leslieafort@rl.gov Goswami, Dib...

  4. Voyage dans le noir. Trous noirs, matière noire, énergie noire et antimatière

    ScienceCinema

    None

    2016-07-12

    Et si nous faisions avec les physiciens un voyage dans le noir ? De l'astrophysique à la physique des particules les trois noirs, la matière noire, l'énergie noire ou l’antimatière intriguent et fascinent. Que sont ces objets qui bousculent nos idées et qui véhiculent parfois des craintes irraisonnées? Luis Alvarez-Gaume, Michael Doser et Christophe Grojean, physiciens du CERN vous invitent à mettre en lumière (!) les constituants de base de la matière et à explorer les mystères de la physique contemporaine. Une soirée lumineuse pour éclairer des concepts et ne plus avoir peur du noir.

  5. Haiti - Annual Average Wind Speed at 80 meters

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Liberte Hinche 06-JAN-2014 3.5.1 50 0 Port-au-Prince Jacmel Les Cayes Jeremie 50 100 Kilometers DOMINI REPUBL CAN IC The wind resource estimates on this map are from model...

  6. A Computational Study of the Aerodynamics and Aeroacoustics of...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    USA C. Eric Lynch and Marilyn J. Smith Georgia Institute of Technology, ... 2006-0194 , 2006. 25 Lynch, C. E. and Smith, M. J., "Hybrid RANS-LES Turbulence Models ...

  7. CX-010295: Categorical Exclusion Determination

    Energy.gov [DOE]

    Development of a Dynamic Wall Layer Model for LES of Internal Combustion Engines CX(s) Applied: A9, B3.6 Date: 05/03/2013 Location(s): California, Michigan Offices(s): National Energy Technology Laboratory

  8. Quantifying chaotic dynamics from integrate-and-fire processes

    SciTech Connect

    Pavlov, A. N.; Pavlova, O. N.; Mohammad, Y. K.; Kurths, J.

    2015-01-15

    Characterizing chaotic dynamics from integrate-and-fire (IF) interspike intervals (ISIs) is relatively easy performed at high firing rates. When the firing rate is low, a correct estimation of Lyapunov exponents (LEs) describing dynamical features of complex oscillations reflected in the IF ISI sequences becomes more complicated. In this work we discuss peculiarities and limitations of quantifying chaotic dynamics from IF point processes. We consider main factors leading to underestimated LEs and demonstrate a way of improving numerical determining of LEs from IF ISI sequences. We show that estimations of the two largest LEs can be performed using around 400 mean periods of chaotic oscillations in the regime of phase-coherent chaos. Application to real data is discussed.

  9. Information Meeting- Education

    ScienceCinema

    None

    2016-07-12

    Suite à un circulaire, Messieurs Goldschmidt et Ullmann donnent plus d'information et attendent des questions/réponses concernant les problèmes d'éducation d'enfants

  10. Colloquium Nobel Celebration : Lederman, L, Schwartz, M and Steinberger, J

    ScienceCinema

    None

    2011-04-25

    Le DG H.Schopper félicite Mel Schwarz, Leon Ledermann et Jack Steinberger pour leurs haute distinction. Les trois "lauréats" prennent ainsi la parole.

  11. Layout And Results From The Initial Opeeration Of The High-resolution...

    Office of Scientific and Technical Information (OSTI)

    First results of ion and electron temperature pro le measurements from the x-ray imaging ... The XICS diagnostic provides measurements of ion and electron temperature pro les in LHD ...

  12. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... results of ion and electron temperature pro le measurements from the x-ray imaging ... The XICS diagnostic provides measurements of ion and electron temperature pro les in LHD ...

  13. Pascua Yaqui Tribe - Renewable Energy Development and Deployment Feasibility Study

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Pascua Yaqui Tribe Renewable Energy Development and Deployment Feasibility Study 2012 Pascua Yaqui Tribe * The Pascua Yaqui Tribe has a total enrollment of approximately 18,000. * A small reservaLon with 4,000 residents is located in SW Tucson, Arizona. Many members reside in several recognized communiLes in the Tucson and Phoenix area. History Ancestral Yaquis resided in Sonora, Mexico. Hundreds of years of transmigraLon established permanent communiLes throughout Southern Arizona. History * In

  14. Slide 1

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Presentation: Solution Verification Applied to TransAT Calculations of a Smooth-Wall Turbulent Channel Flow using LES Despoina Chatzikyriakou, Jacopo. Buongiorno, Massachusetts Institute of Technology Djamel Lakehal, ASCOMP & MIT November 18, 2011 CASL-U-2011-0184-000-a 1 CASL-U-2011-0184-000-a Solution Verification Applied to TransAT Calculations of a Smooth-Wall Turbulent Channel Flow using LES Despoina Chatzikyriakou (MIT), Jacopo Buongiorno (MIT), Djamel Lakehal (Ascomp & MIT)

  15. Meeting DG's

    ScienceCinema

    None

    2016-07-12

    Le DG J.Adams commente les 3 thèmes de la réunion: 1.) le prochain DG du Cern (qui sera H.Schopper) 2.) le LEP 3.) les conclusions du comité des finances concernant salaires, allocations etc. Discussion entre le DG J.Adams, Mons.Ullmann, chef du personel et l'auditoire

  16. Science anc Society

    ScienceCinema

    None

    2016-07-12

    S.P.Worden, membre technique de l'U.S.délégation à Genève pour les négociations sur les armes nucléaires, est physicien, astronome, scientifique et officier de l'armée de l'air. Il parlera des technologies de défense stratégique

  17. Uranium Marketing Annual Report -

    Gasoline and Diesel Fuel Update

    5. Enrichment service sellers to owners and operators of U.S. civilian nuclear power reactors, 2013-15 2013 2014 2015 AREVA NC, Inc. AREVA Enrichment Services, LLC / AREVA NC, Inc. AREVA Enrichment Services, LLC / AREVA NC, Inc. CNEIC (China Nuclear Energy Industry Corporation) CNEIC (China Nuclear Energy Industry Corporation) CAMECO LES, LLC (Louisiana Energy Services) LES, LLC (Louisiana Energy Services) CNEIC (China Nuclear Energy Industry Corporation) NUKEM, Inc. NYNCO Trading, LTD Energy

  18. 2015 Uranium Marketing Annual Report

    Energy Information Administration (EIA) (indexed site)

    3 2015 Uranium Marketing Annual Report Release Date: May 24, 2016 Next Release Date: May 2017 2013 2014 2015 AREVA NC, Inc. AREVA Enrichment Services, LLC / AREVA NC, Inc. AREVA Enrichment Services, LLC / AREVA NC, Inc. CNEIC (China Nuclear Energy Industry Corporation) CNEIC (China Nuclear Energy Industry Corporation) CAMECO LES, LLC (Louisiana Energy Services) LES, LLC (Louisiana Energy Services) CNEIC (China Nuclear Energy Industry Corporation) NUKEM, Inc. NYNCO Trading, LTD Energy Northwest

  19. Comparison of effectiveness of sub-slab ventilation systems for indoor radon mitigation: A numerical study; Comparaison a l`aide d`un outil numerique de l`efficacite des systemes de ventilation active du sol limitant la penetration du radon dans l`habitat

    SciTech Connect

    Bonnefous, Y.C. |; Gadgil, A.J.; Allard, F.

    1992-04-01

    The functioning of an active sub-slab ventilation system (SVS) has been studied successfully with the help of a previously evaluated numerical model. The parameters explored are the permeability of the sub-slab and the gravel placed beneath it, the amplitude of applied pressure at the installation point of the system and the functioning method: depressurization or pressurization. The mechanisms contributing to the success of the two systems are identified. This numerical study shows that the presence of a layer of gravel beneath the sub-slab considerably improves the performance of the SVS. Considered separately from the extremely permeable sub-slabs, the depressurization systems perform better than the pressurization systems. 17 refs. [Francais] Le fonctionnement des Systemes de Ventilation active du Sol (SVS) a ete etudie a l`aide d`un outil numerique precedemment evalue avec succes. Les parametres explores sont les permeabilites du sol et du gravier place sous plancher bas, l`amplitude de la pression appliquee au point d`installation du systeme, et le mode de fonctionnement: Depressurisation ou Pressurisation. Les mecanismes contribuant au succes des deux systemes sont identifies. Cette etude numerique montre que la presence d`une couche de gravier sous plancher bas ameliore de facon considerable les performances des SVS. Mis a part le cas des sols extremement permeables, les systemes de Depressurisation ont de meilleures performances que les systemes de Pressurisation. 17 refs.

  20. [pic] EERE Web site statistics - Lose Your Excuse - Parents

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... |16.|France|11|0%| |17.|Ireland|10|0%| |18.|Germany|10|0%| |19.|Belgium|9|0%| |20.|Saudi Arabia|8|0%| |21.|Chile|7|0%| |22.|Finland|7|0%| |23.|Taiwan|7|0%| |24.|Netherlands|7|0%| ...

  1. Energy Transition Initiative: Island Energy Snapshot - Bonaire; U.S. Department of Energy (DOE), NREL (National Renewable Energy Laboratory)

    SciTech Connect

    2015-06-01

    This profile provides a snapshot of the energy landscape of Bonaire, a special municipality of the Kingdom of the Netherlands located off the coast of Venezuela. Bonaire’s utility rates are approximately $0.35 per kilowatt-hour (kWh), above the Caribbean regional average of $0.33/kWh.

  2. JPRS report: Nuclear developments, [January 25, 1989

    SciTech Connect

    1989-01-25

    This report contains information concerning the nuclear developments of the following countries: (1) China, (2) Latin America; Argentina, Brazil, (3) Near East and South Asia; India, Pakistan, (4) Soviet Union, and (5) West Europe; Federal Republic of Germany, Finland, Netherlands, Turkey.

  3. Policies to Promote Non-Hydro Renewable Energy in the United States and Selected Countries

    Reports and Publications

    2005-01-01

    This article examines policies designed to encourage the development of non-hydro renewable energy in four countries - Germany, Denmark, the Netherlands, and Japan - and compares the policies enacted in each of these countries to policies that were used in the United States between 1970 and 2003.

  4. Energy Transition Initiative: Island Energy Snapshot - Curacao; U.S. Department of Energy (DOE), NREL (National Renewable Energy Laboratory)

    SciTech Connect

    2015-06-01

    This profile provides a snapshot of the energy landscape of Curacao, an autonomous member of the Kingdom of the Netherlands located off the coast of Venezuela. Curacao’s utility rates are approximately $0.26 per kilowatt-hour (kWh), below the Caribbean regional average of $0.33/kWh.

  5. FBIS report. Science and technology: Europe/international, November 3, 1995

    SciTech Connect

    1995-11-03

    ;Partial Contents: Netherlands: Program Gives Priority to Materials Research; Germany: Minister Ruettgers Outlines Biotechnology R&D Priorities; Germany: Structure of Defense-Related R&D Detailed; Germany: New Designs in Fiber Lasers Explored; France: CEA Carries Out Research on Cold Fusion; Germany: Research Society`s R&D Programs for 1996 Summarized; and EU Council Adopts Advanced Television Services Action Plan.

  6. EERE European Partnerships and Projects | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    European Partnerships and Projects EERE European Partnerships and Projects The Office of Energy Efficiency and Renewable Energy (EERE) engages through regional partnerships, as well as bilaterally with individual countries in the European region. In addition to the regional partnerships described below, EERE Technology Offices engage in bilateral research partnerships with countries in Europe, including Denmark, France, Germany, Iceland, Ireland, the Netherlands, Norway, Portugal, Romania,

  7. Dynamic procedure for filtered gyrokinetic simulations

    SciTech Connect

    Morel, P.; Banon Navarro, A.; Albrecht-Marc, M.; Carati, D.; Merz, F.; Goerler, T.; Jenko, F.

    2012-01-15

    Large eddy simulations (LES) of gyrokinetic plasma turbulence are investigated as interesting candidates to decrease the computational cost. A dynamic procedure is implemented in the gene code, allowing for dynamic optimization of the free parameters of the LES models (setting the amplitudes of dissipative terms). Employing such LES methods, one recovers the free energy and heat flux spectra obtained from highly resolved direct numerical simulations. Systematic comparisons are performed for different values of the temperature gradient and magnetic shear, parameters which are of prime importance in ion temperature gradient driven turbulence. Moreover, the degree of anisotropy of the problem, which can vary with parameters, can be adapted dynamically by the method that shows gyrokinetic large eddy simulation to be a serious candidate to reduce numerical cost of gyrokinetic solvers.

  8. FUEL-FLEXIBLE GASIFICATION-COMBUSTION TECHNOLOGY FOR PRODUCTION OF H2 AND SEQUESTRATION-READY CO2

    SciTech Connect

    George Rizeq; Janice West; Arnaldo Frydman; Raul Subia; Vladimir Zamansky; Tomasz Wiltowski; Tom Miles; Bruce Springsteen

    2002-04-30

    Further development of a combustion Large Eddy Simulation (LES) code for the design of advanced gaseous combustion systems is described in this sixth quarterly report. CFD Research Corporation (CFDRC) is developing the LES module within the parallel, unstructured solver included in the commercial CFD-ACE+ software. In this quarter, in-situ adaptive tabulation (ISAT) for efficient chemical rate storage and retrieval was implemented and tested within the Linear Eddy Model (LEM). ISAT type 3 is being tested so that extrapolation can be performed and further improve the retrieval rate. Further testing of the LEM for subgrid chemistry was performed for parallel applications and for multi-step chemistry. Validation of the software on backstep and bluff-body reacting cases were performed. Initial calculations of the SimVal experiment at Georgia Tech using their LES code were performed. Georgia Tech continues the effort to parameterize the LEM over composition space so that a neural net can be used efficiently in the combustion LES code. A new and improved Artificial Neural Network (ANN), with log-transformed output, for the 1-step chemistry was implemented in CFDRC's LES code and gave reasonable results. This quarter, the 2nd consortium meeting was held at CFDRC. Next quarter, LES software development and testing will continue. Alpha testing of the code will continue to be performed on cases of interest to the industrial consortium. Optimization of subgrid models will be pursued, particularly with the ISAT approach. Also next quarter, the demonstration of the neural net approach, for multi-step chemical kinetics speed-up in CFD-ACE+, will be accomplished.

  9. Nesting large-eddy simulations within mesoscale simulations for wind energy applications

    SciTech Connect

    Lundquist, J K; Mirocha, J D; Chow, F K; Kosovic, B; Lundquist, K A

    2008-09-08

    With increasing demand for more accurate atmospheric simulations for wind turbine micrositing, for operational wind power forecasting, and for more reliable turbine design, simulations of atmospheric flow with resolution of tens of meters or higher are required. These time-dependent large-eddy simulations (LES), which resolve individual atmospheric eddies on length scales smaller than turbine blades and account for complex terrain, are possible with a range of commercial and open-source software, including the Weather Research and Forecasting (WRF) model. In addition to 'local' sources of turbulence within an LES domain, changing weather conditions outside the domain can also affect flow, suggesting that a mesoscale model provide boundary conditions to the large-eddy simulations. Nesting a large-eddy simulation within a mesoscale model requires nuanced representations of turbulence. Our group has improved the Weather and Research Forecasting model's (WRF) LES capability by implementing the Nonlinear Backscatter and Anisotropy (NBA) subfilter stress model following Kosovic (1997) and an explicit filtering and reconstruction technique to compute the Resolvable Subfilter-Scale (RSFS) stresses (following Chow et al, 2005). We have also implemented an immersed boundary method (IBM) in WRF to accommodate complex terrain. These new models improve WRF's LES capabilities over complex terrain and in stable atmospheric conditions. We demonstrate approaches to nesting LES within a mesoscale simulation for farms of wind turbines in hilly regions. Results are sensitive to the nesting method, indicating that care must be taken to provide appropriate boundary conditions, and to allow adequate spin-up of turbulence in the LES domain.

  10. Seminar Andrej Sacharov

    ScienceCinema

    None

    2011-04-25

    A l'occasion de son 63me anniversaire 2 orateurs rendent hommage à A.Sacharov, physicien russe et né à Moscou, pour ses accomplissements scientifiques et son courage. A.Sacharov a dénoncé les dangers de la radioactivité et a tenté de persuader les autorités soviétiques de supprimer une série de test après le developpement de la bombe atomique en 1949 et la bombe à hydrogène en 1953 par un groupe de chercheurs soviétiques. Il a obtenu le prix Nobel en 1975.

  11. 2015 Uranium Marketing Annual Report

    Energy Information Administration (EIA) (indexed site)

    5. Enrichment service sellers to owners and operators of U.S. civilian nuclear power reactors, 2013-15" 2013,2014,2015 "AREVA NC, Inc.","AREVA Enrichment Services, LLC / AREVA NC, Inc.","AREVA Enrichment Services, LLC / AREVA NC, Inc." "CNEIC (China Nuclear Energy Industry Corporation)","CNEIC (China Nuclear Energy Industry Corporation)","CAMECO" "LES, LLC (Louisiana Energy Services)","LES, LLC (Louisiana Energy

  12. Retirement Kjell Johnsen

    ScienceCinema

    None

    2011-04-25

    A l'occasion de son 65me anniversaire plusieurs orateurs (aussi l'ambassadeur de Norvège) remercient Kjell Johnsen, né en juin 1921 en Norvège, pour ses 34 ans de service au Cern et retracent sa vie et son travail. K.Johnsen a pris part aux premières études sur les accélérateurs du futur centre de physique et fut aussi le père et le premier directeur de l'Ecole du Cern sur les accélérateurs (CAS)

  13. CNS 2008 Template

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    All Rights Reserved NURETH14-365 Flow Induced Vibration Forces on a Fuel Rod by LES CFD Analysis A. M. Elmahdi 1 , R. Lu 1 , M. E. Conner 1 , Z. Karoutas 1 , E. Baglietto 2 1 Westinghouse Electric Company LLC, Columbia, SC, USA 2 CD-adapco, Melville, NY, USA mandoua@westinghouse.com Abstract The purpose of the present study is to evaluate the feasibility of use of CFD Large Eddy Simulation (LES) modeling techniques in CD-adapco CFD code STAR-CCM+ to calculate the instantaneous stress tensor on

  14. NREL teams with Dutch Energy Research Center - News Releases | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    NREL teams with Dutch Energy Research Center Collaboration expected in energy analysis, wind and photovoltaic research May 28, 2009 The U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) has signed a research collaboration agreement with the Energy research Centre of the Netherlands (ECN). NREL and ECN will join forces on areas such as policy studies, energy analysis, wind energy and solar photovoltaic energy. The cooperation between ECN and NREL ranges from an

  15. Summary of non-US national and international fuel cycle and radioactive waste management programs 1982

    SciTech Connect

    Harmon, K.M.; Kelman, J.A.

    1982-08-01

    Brief program overviews of fuel cycle, spent fuel, and waste management activities in the following countries are provided: Argentina, Australia, Austria, Belgium, Brazil, Canada, China, Denmark, Finland, France, German Federal Republic, India, Italy, Japan, Republic of Korea, Mexico, Netherlands, Pakistan, South Africa, Spain, Sweden, Switzerland, Taiwan, USSR, and the United Kingdom. International nonproliferation activities, multilateral agreements and projects, and the international agencies specifically involved in the nuclear fuel cycle are also described.

  16. Secretary Comments on the Selection of the Next Executive Director of the

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    International Energy Agency | Department of Energy Comments on the Selection of the Next Executive Director of the International Energy Agency Secretary Comments on the Selection of the Next Executive Director of the International Energy Agency March 11, 2011 - 12:00am Addthis Washington, D.C. - The Governing Board of the International Energy Agency (IEA) today announced that their 28 members have selected Maria Van der Hoeven of the Netherlands, the former Dutch Minister of the Economy, to

  17. Comparison of Diffuse Shortwave Irradiance Measurements

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Diffuse Shortwave Irradiance Measurements J. J. Michalsky and J. Schlemmer Atmospheric Sciences Research Center State University of New York Albany, New York B. C. Bush, S. Leitner, D. Marsden, and F. P. J. Valero Scripps Institution of Oceanography University of California, San Diego La Jolla, California R. Dolce and A. Los Kipp & Zonen, Inc. Bohemia, New York and Delft The Netherlands E. G. Dutton Climate Monitoring and Diagnostics Laboratory National Oceanic and Atmospheric Administration

  18. Superconductivity Conference Held

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Superconductivity Conference Held Z.-X. Shen SSRL sponsored a major international conference on superconductivity early this year. The conference, entitled "Spectroscopies in Novel Superconductors" was held at SSRL from March 15-18, 1995 and generated considerable interest in the scientific community. About 200 scientists from 14 countries attended: United States, Japan, Canada, Germany, Switzerland, France, The Netherlands, Sweden, India, Israel, Argentina, China, Finland and Russia

  19. Microsoft PowerPoint - 1 Kevin Brown

    Office of Environmental Management (EM)

    Program Update Interagency Steering Committee on Performance and Risk Assessment Community of Practice Annual Technical Exchange Meeting Richland, Washington December 15-16, 2015 Project Team Members Vanderbilt University & CRESP D. Kosson*, K.G. Brown*, A.C. Garrabrants, S. Mahadevan, J. Branch, F. Sanchez Savannah River National Laboratory (SRNL) C. Langton*; G. Flach*; H. Burns*; R. Seitz, S. Marra; F.G. Smith, III Energy Research Centre of The Netherlands (ECN) & CRESP H. van der

  20. Microsoft PowerPoint - 7 Kevin Brown

    Office of Environmental Management (EM)

    (CBP) Toolsets Kevin G. Brown Vanderbilt University and CRESP Cementitious Barriers Partnership Performance & Risk Assessment Community of Practice Technical Exchange Meeting December 11-12, 2014 Las Vegas NM Project Team Members Vanderbilt University & CRESP D. Kosson*, K.G. Brown*, S. Mahadevan, J. Branch, F. Sanchez Savannah River National Laboratory (SRNL) C. Langton*, G. Flach*, H. Burns*, R. Seitz, S. Marra Energy Research Centre of The Netherlands (ECN) & CRESP H. van der

  1. World Bio Markets

    Energy.gov [DOE]

    The World Bio Markets meeting will held from March 14-17, 2016 in Amsterdam, Netherlands. The meeting will gather experts in the bioenergy industry from all over the world. Bioenergy Technologies Office Demonstration and Market Transformation Program Manager Jim Spaeth will be giving a presentation entitled, “Policy updates and outlooks from key biofuel markets,” and will discuss technical, policy and investment developments, and success stories.

  2. Towards New Scenarios for Analysis of Emissions, Climate Change, Impacts, and Response Strategies

    SciTech Connect

    Moss, Richard H.; Babiker, Mustafa; Brinkman, Sander; Calvo, Eduardo; Carter, Tim; Edmonds, James A.; Elgizouli, Ismail; Emori, S.; Lin, Erda; Hibbard, K.; Jones, Roger; Kainuma, M.; Kelleher, Jessica; Lamarque, J. F.; Manning, M.; Matthews, Ben; Meehl, J.; Meyer, Leo; Mitchell, John; Nakicenovic, Nebojsa; O'Neill, Brian; Pichs, Ramon; Riahi, Keywan; Rose, Steven; Runci, Paul J.; Stouffer, Ronald; VanVuuren, D.; Weyant, John; Wilbanks, Thomas; van Ypersele, Jean P.; Zurek, Monica

    2008-10-01

    This report summarizes the findings and recommendations from the Expert Meeting on New Scenarios in Noordwijkerhout, The Netherlands, 19- 21 September 2007. This report is the culmination of the combined efforts of the New Scenarios Steering Committee, an author team composed primarily of members of the research community, and numerous other meeting participants and external reviewers who provided extensive comments during the expert review process.

  3. South America, Central America, the Caribbean, and Mexico

    SciTech Connect

    Deal, C.

    1981-10-01

    Summaries of oil and gas drillings, well completions, production, exploratory wells, exploration activity and wildcat drilling were given for South America, Central America, the Caribbean, and Mexico. The countries, islands, etc. included Argentina, Bahamas, Barbados, Belize, Bolivia, Brazil, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, French Guiana, Guatemala, Guyana, Haiti, Honduras, Jamaica, Leeward and Windward Islands, Mexico, Netherlands Antilles, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, El Salvador, Surinam, Trinidad and Venezuela. 16 figures, 120 tables. (DP)

  4. U.S. Energy Information Administration (EIA)

    Gasoline and Diesel Fuel Update

    6, 2015 | Release date: May 7, 2015 | Next release: May 14, 2015 | Previous weeks JUMP TO: In The News | Overview | Prices/Supply/Demand | Storage In the News: Northwest Europe doubles LNG imports as key prices converge Liquefied natural gas (LNG) shipped to northwestern Europe's regasification terminals in the United Kingdom (U.K.), Belgium, and the Netherlands more than doubled in the first quarter of 2015, compared with the same period in 2014, as reduced demand and decreasing spot prices in

  5. Light-Material Interactions in Energy Conversion - Energy Frontier Research

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Center (LMI-EFRC) - Mark Brongersma Mark Brongersma Mark Brongersma, Professor of Materials Science and Engineering Stanford University Mark Brongersma is a Professor in the Department of Materials Science and Engineering at Stanford University. He received his PhD from the FOM Institute in Amsterdam, The Netherlands, in 1998. From 1998-2001 he was a postdoctoral research fellow at the California Institute of Technology. His current research is directed towards the development and physical

  6. Design of a tunable 4-MW Free Electron Maser for heating fusion plasmas

    SciTech Connect

    Caplan, M.; Kamin, G.; Shang, C.C.; Lindquist, W.

    1993-09-01

    There is an ongoing program at the FOM institute, The Netherlands, to develop a 1-MW, long-pulse, 200-Ghz Free Electron Maser (FEM) using a DC accelerator system with depressed collector. We present an extrapolation of this design to more than 4MW of output microwave power in order to reduce the cost per kW and increase the power per module in a plasma heating system.

  7. Microsoft Word - Group5PrecipProperties(RS).docx

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Can We See Precipitation Properties Conserved through the Melting Layer Report Participants: Shuaiqu Tang, Lawrence Livermore National Laboratory Jonathan Edwards-Opperman, University of Oklahoma Kathryn Verlinden, Oregon State University Nils Küchler, University of Cologne, Germany Instructors: Matt Kumjian, Pennsylvania State University Herman Russchenberg, Delft University of Technology, Netherlands July 2015 Group 5, July 2015, ARM Summer Training and Science Applications 1 1.0 Can We See

  8. IEA Agreement on the production and utilization of hydrogen: 1996 annual report

    SciTech Connect

    Elam, Carolyn C. )

    1997-01-31

    The annual report includes an overview of the IEA Hydrogen Agreement, including a brief summary of hydrogen in general. The Chairman's report provides highlights for the year. Sections are included on hydrogen energy activities in the IEA Hydrogen Agreement member countries, including Canada, European Commission, Germany, Japan, Netherlands, Norway, Spain, Sweden, Switzerland, and the US. Lastly, Annex reports are given for the following tasks: Task 10, Photoproduction of Hydrogen, Task 11, Integrated Systems, and Task 12, Metal Hydrides and Carbon for Hydrogen Storage.

  9. Assessing Development Impacts Associated with Low Emission Development Strategies: Lessons Learned from Pilot Efforts in Kenya and Montenegro

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Assessing Development Impacts Associated with Low Emission Development Strategies: Lessons Learned from Pilot Efforts in Kenya and Montenegro S. Cox and J. Katz National Renewable Energy Laboratory (NREL) Laura Würtenberger Energy Research Centre of the Netherlands (ECN) Technical Report NREL/TP-6A20-58391 January 2014 NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency & Renewable Energy Operated by the Alliance for Sustainable Energy, LLC This report

  10. LAPD 2013 - organizers

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Contact: International Scientific Committee J.P. Booth, Ecole Polytechnique, Palaiseau, France (Chair) D. Brower, Univ. of California at Los Angeles, USA U. Czarnetzki, Ruhr-University Bochum, Germany A.J.H. Donné, Dutch Inst. For Fundamental Energy Research, The Netherlands (Secretary) L. Giudicotti, Consorzio RFX, Italy N.C. Luhmann Jr., Univ. of California, Davis, USA K. Sasaki, Hokkaido Univ., Japan F. Skiff, Univ. of Iowa, USA K. Tanaka, National Inst. For Fusion Science, Japan H.K. Park,

  11. 1

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Deep moonquakes reveal thickness of the lunar crust September 26, 2016 Charlotte Rowe of the Laboratory's Geophysics group and collaborators from the Delft University of Technology in the Netherlands have reported the first use of the seismic interferometry technique applied to study the internal structure of the Moon. The Journal of Geophysical Research: Planets published the research and featured it as an Editor's Highlight.During the NASA Apollo missions, astronauts installed seismometers on

  12. Urenco centrifuge and laser development

    SciTech Connect

    Upson, P.C.

    1994-12-31

    The Urenco centrifuge process for the enrichment of uranium is now well developed and economically proven. The centrifuge technology that forms the basis of Urenco`s plants in the United Kingdom, the Netherlands, and Germany has evolved steadily over the last two decades since the Urenco partnership was formed, and current programs of development will see this progress continue into the next century. From the early pilot plant work, the first generation of machines was installed and commissioned in the late 1970s in the U.K. and Netherlands plants. These have both significantly exceeded the original design expectation with respect to both stress lifetime and corrosion resistance. The early U.K. plant was shut down in 1992, again well beyond the expected 10-yr lifetime, while the Netherlands plant is still operating. Since then, significant advances have been made, and a fourth-generation machine began operation in the plants in 1991; in fact, Urenco has all four generations still in operation in its plants today. Urenco`s research on laser isotope separation is also described.

  13. The Radiative Properties of Small Clouds: Multi-Scale Observations and Modeling

    SciTech Connect

    Feingold, Graham; McComiskey, Allison

    2013-09-25

    Warm, liquid clouds and their representation in climate models continue to represent one of the most significant unknowns in climate sensitivity and climate change. Our project combines ARM observations, LES modeling, and satellite imagery to characterize shallow clouds and the role of aerosol in modifying their radiative effects.

  14. PDSF User Meeting 06-18-13.pptx

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Topics from PDSF Staff: In Progress * Test fi les - PuSng t hem t ogether o ver t he n ext f ew w eeks * Benchmarking Topics from the Users * PDSF S teering C ommiQee M eeHng...

  15. PDSF User Meeting 07-02-13.pptx

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    N IM d atabase * Will e mail e veryone i n P I l ist * Standard N ERSC m ethod * Benchmarking - PuWng b enchmark fi les i n t op o f a ll eliza d irectories Topics from the...

  16. Nick Balthaser! Wayne Hurlbert! LBNL/NERSC Storage Systems Group

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    o f 9 me i n p roduc9on - Drive f eatures i n u se * Data V olume - Carts, T B, fi les * Workload - Exchangesunit 9 me - IO R ates: R aw v s. H PSS * Error R ates * Data L...

  17. PDSF User Meeting 02-03-15.pptx

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    1 7 u w ill b e renamed * Please c heck c onfig s cripts a nd d ot fi les f or u Retiring SL53? * Like t o r eSre S L53 a t s ome p oint * Who s Sll u ses i...

  18. CGILS: Results from the First Phase of an International Project to Understand the Physical Mechanisms of Low Cloud Feedbacks in Single Column Models

    SciTech Connect

    Zhang, Minghua; Bretherton, Christopher S.; Blossey, Peter; Austin, Phillip A.; Bacmeister, J.; Bony, Sandrine; Brient, Florent; Cheedela, Suvarchal K.; Cheng, Anning; Del Genio, Anthony D.; De Roode, Stephan R.; Endo , Satoshi; Franklin, Charmaine N.; Golaz, Jean-Christophe; Hannay, Cecile; Heus, Thijs; Isotta, Francesco A.; Jean-Louis, Dufresne; Kang, In-Sik; Kawai, Hideaki; Koehler, M.; Larson, Vincent E.; Liu, Yangang; Lock, Adrian; Lohmann, U.; Khairoutdinov, Marat; Molod, Andrea M.; Neggers, Roel; Rasch, Philip J.; Sandu, Irina; Senkbeil, Ryan; Siebesma, A. P.; Siegenthaler-Le Drian, Colombe; Stevens, Bjorn; Suarez, Max; Xu, Kuan-Man; Von Salzen, Knut; Webb, Mark; Wolf, Audrey; Zhao, M.

    2013-12-26

    Large Eddy Models (LES) and Single Column Models (SCM) are used in a surrogate climate change 101 to investigate the physical mechanism of low cloud feedbacks in climate models. Enhanced surface-102 driven boundary layer turbulence and shallow convection in a warmer climate are found to be 103 dominant mechanisms in SCMs.

  19. Globus.ppt

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Globus C onnect P ersonal: t o t ransfer fi les t o a nd f rom your l ocal m achine ( laptop) - Go h ere t o i ni;ate y our t ransfer: h*ps:www.globus.orgxferStartTransfer -...

  20. Large eddy simulation of forced ignition of an annular bluff-body burner

    SciTech Connect

    Subramanian, V.; Domingo, P.; Vervisch, L.

    2010-03-15

    The optimization of the ignition process is a crucial issue in the design of many combustion systems. Large eddy simulation (LES) of a conical shaped bluff-body turbulent nonpremixed burner has been performed to study the impact of spark location on ignition success. This burner was experimentally investigated by Ahmed et al. [Combust. Flame 151 (2007) 366-385]. The present work focuses on the case without swirl, for which detailed measurements are available. First, cold-flow measurements of velocities and mixture fractions are compared with their LES counterparts, to assess the prediction capabilities of simulations in terms of flow and turbulent mixing. Time histories of velocities and mixture fractions are recorded at selected spots, to probe the resolved probability density function (pdf) of flow variables, in an attempt to reproduce, from the knowledge of LES-resolved instantaneous flow conditions, the experimentally observed reasons for success or failure of spark ignition. A flammability map is also constructed from the resolved mixture fraction pdf and compared with its experimental counterpart. LES of forced ignition is then performed using flamelet fully detailed tabulated chemistry combined with presumed pdfs. Various scenarios of flame kernel development are analyzed and correlated with typical flow conditions observed in this burner. The correlations between, velocities and mixture fraction values at the sparking time and the success or failure of ignition, are then further discussed and analyzed. (author)

  1. mira perf boot camp 2015-debugging-v1.0.ppt

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    o f c ore fi les - Shows s ymbolic backtrace - Groups r anks t hat a borted i n t he s ame l oca;on t ogether - Can a lso a 0ach t o a r unning j ob t o t ake s napshot ...

  2. mira perf boot camp 2014-debugging-v1.3.ppt

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    o f c ore fi les - Shows s ymbolic b acktrace - Groups r anks t hat a borted i n t he s ame l oca;on t ogether - Can a lso a +ach t o a r unning j ob t o t ake s napshot ...

  3. Science and Society-Arms Control

    ScienceCinema

    None

    2016-07-12

    Le Prof.Weisskopf(?) présente le physicien Wolfgang Panofsky qui parle de la stratégie concernant la prolifération nucléaire entre les Etats Unis et l'Union Soviétique

  4. Visit CD

    ScienceCinema

    None

    2016-07-12

    Le DG H.Schopper souhaite la bienvenue aux ambassadeurs des pays membres et aux représentants des pays avec lesquels le Cern entretient des relations proches et fait un exposé sur les activités au Cern

  5. 2011_INCITE_Fact_Sheets.pdf | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    1_INCITE_Fact_Sheets.pdf 2011_INCITE_Fact_Sheets.pdf (745.56 KB) More Documents & Publications Advance Patent Waiver W(A)2006-028 Large Eddy Simulation (LES) Applied to LTC/Diesel/Hydrogen Engine Combustion Research Vehicle Technologies Office Merit Review 2016: Advancements in Fuel Spray and Combustion Modeling with High Performance Computing Resources

  6. Speech Schopper

    ScienceCinema

    None

    2016-07-12

    Le DG H.Schopper prend congé de ses directeurs et collègues qui partent et remercie aussi les restants pour leur service; d'autres orateurs comme p.ex. Mons.Ullmann ainsi qu'un allemand prennent la parole.

  7. 10th Anniversary P.S.

    ScienceCinema

    None

    2016-07-12

    John Adams parle de la préhistoire du P.S. avec présentation des dias. Le DG B.Gregory prend la parole. Les organisateurs présentent sous la direction du "Prof.Ocktette"(?) un sketch très humoristique (p.e.existence de Quark etc.....)

  8. CX-010779: Categorical Exclusion Determination

    Office of Energy Efficiency and Renewable Energy (EERE)

    Predictive Large Eddy Simulation (LES) Modeling and Validation for High-Pressure Turbulent Flames and Flashback in Hydrogen-Enriched Gas Turbine CX(s) Applied: A9, B3.6 Date: 08/23/2013 Location(s): Texas Offices(s): National Energy Technology Laboratory

  9. Welcome

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    LES' URENCO-USA Facility January 2011 2 Uranium Cylinders Operation & Construction parallel Separations Building Module 1003 Utility Fuel Cycle Management Diverse Contract Portfolio Cameco, Areva, Kazatomprom, BHP, RTU, Palladin Cameco, Areva, ConverDyn URENCO, Areva, USEC, AEP, CNEIC GE, Areva, Westinghouse Utility Customer

  10. Development of Quality Assessment Techniques for Large Eddy Simulation of Propulsion and Power Systems in Complex Geometries

    SciTech Connect

    Lacaze, Guilhem; Oefelein, Joseph

    2015-03-01

    Large-eddy-simulation (LES) is quickly becoming a method of choice for studying complex thermo-physics in a wide range of propulsion and power systems. It provides a means to study coupled turbulent combustion and flow processes in parameter spaces that are unattainable using direct-numerical-simulation (DNS), with a degree of fidelity that can be far more accurate than conventional engineering methods such as the Reynolds-averaged Navier-Stokes (RANS) approx- imation. However, development of predictive LES is complicated by the complex interdependence of different type of errors coming from numerical methods, algorithms, models and boundary con- ditions. On the other hand, control of accuracy has become a critical aspect in the development of predictive LES for design. The objective of this project is to create a framework of metrics aimed at quantifying the quality and accuracy of state-of-the-art LES in a manner that addresses the myriad of competing interdependencies. In a typical simulation cycle, only 20% of the computational time is actually usable. The rest is spent in case preparation, assessment, and validation, because of the lack of guidelines. This work increases confidence in the accuracy of a given solution while min- imizing the time obtaining the solution. The approach facilitates control of the tradeoffs between cost, accuracy, and uncertainties as a function of fidelity and methods employed. The analysis is coupled with advanced Uncertainty Quantification techniques employed to estimate confidence in model predictions and calibrate model's parameters. This work has provided positive conse- quences on the accuracy of the results delivered by LES and will soon have a broad impact on research supported both by the DOE and elsewhere.

  11. Enriching stable isotopes: Alternative use for Urenco technology

    SciTech Connect

    Rakhorst, H.; de Jong, P.G.T.; Dawson, P.D.

    1996-12-31

    The International Urenco Group utilizes a technologically advanced centrifuge process to enrich uranium in the fissionable isotope {sup 235}U. The group operates plants in the United Kingdom, the Netherlands, and Germany and currently holds a 10% share of the multibillion dollar world enrichment market. In the early 1990s, Urenco embarked on a strategy of building on the company`s uniquely advanced centrifuge process and laser isotope separation (LIS) experience to enrich nonradioactive isotopes colloquially known as stable isotopes. This paper summarizes the present status of Urenco`s stable isotopes business.

  12. Experimental Design for CMIP6: Aerosol, Land Use, and Future Scenarios Final Report

    SciTech Connect

    Arnott, James

    2015-10-30

    The Aspen Global Change Institute hosted a technical science workshop entitled, “Experimental design for CMIP6: Aerosol, Land Use, and Future Scenarios,” on August 3-8, 2014 in Aspen, CO. Claudia Tebaldi (NCAR) and Brian O’Neill (NCAR) served as co-chairs for the workshop. The Organizing committee also included Dave Lawrence (NCAR), Jean-Francois Lamarque (NCAR), George Hurtt (University of Maryland), & Detlef van Vuuren (PBL Netherlands Environmental Change). The meeting included the participation of 22 scientists representing many of the major climate modeling centers for a total of 110 participant days.

  13. Mission Innovation Ministers Gather at COP22 for Public Event | Department

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    of Energy Mission Innovation Ministers Gather at COP22 for Public Event Mission Innovation Ministers Gather at COP22 for Public Event November 14, 2016 - 9:21am Addthis News Media Contact 202-586-4940 DOENews@hq.doe.gov Marrakesh - Mission Innovation countries came together today here at the UN climate change conference, otherwise known as COP22, to report on developments one year on from its launch. Finland and the Netherlands were welcomed as the most recent members to join this global

  14. Grinding away

    SciTech Connect

    Korz, T.

    2009-03-15

    Coal preparation in gasification plants is all too often neglected. The coal gasification industry has experienced enormous growth over the last few years and consequently the demand of coal grinding and drying has also increased. The design and development of coal mills has taken great strides since the first coal grinding plant was delivered to an IGCC power plant in Buggenum, Netherlands. The article describes a typical flow sheet for a coal gasification plant with a possibility of feeding the mill with different types of materials besides coal. 5 figs.

  15. Fact #752: November 5, 2012 Western Europe Plug-in Car Sales, 2012 |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy 2: November 5, 2012 Western Europe Plug-in Car Sales, 2012 Fact #752: November 5, 2012 Western Europe Plug-in Car Sales, 2012 Using data for the first seven months of 2012, Norway has the highest plug-in car market share at 2.55%. The Netherlands has the second highest plug-in market share (0.59%) and despite its small size, accounts for 16.1% of all plug-ins sold in Western Europe (see pie chart). France accounted for 22.3% of Western European plug-in car sales,

  16. DNA

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    drives achievement in protein structure research September 15, 2014 Computational analysis key to structural understanding of molecular machine that targets viral DNA LOS ALAMOS, N.M., Sept. 15, 2014-When this week's print issue of the journal Science comes out, a collective cheer will go up from New Mexico, Montana and even the Netherlands, thanks to the type of collaborative effort that is more and more the norm in these connected times. Yes, the research was brilliant, and if we're lucky, it

  17. IEA agreement on the production and utilization of hydrogen: 2000 annual report

    SciTech Connect

    Elam, Carolyn C.

    2001-12-01

    The 2000 annual report of the IEA Hydrogen Agreement contains an overview of the agreement, including its guiding principles, latest strategic plan, and a report from the Chairman, Mr. Neil P. Rossmeissl, U.S. Department of Energy. Overviews of the National Hydrogen Programs of nine member countries are given: Canada, Japan, Lithuania, the Netherlands, Norway, Spain, Sweden, Switzerland, and the United States. Task updates are provided on the following annexes: Annex 12 - Metal Hydrides and Carbon for Hydrogen Storage, Annex 13 - Design and Optimization of Integrated Systems, Annex 14 - Photoelectrolytic Production of Hydrogen, and, Annex 15 - Photobiological Production of Hydrogen.

  18. Assessment of RELAP5/MOD2 against a natural circulation experiment in Nuclear Power Plant Borssele. International Agreement Report

    SciTech Connect

    Winters, L.

    1993-07-01

    As part of the ICAP (International Code Assessment and Applications Program) agreement between ECN (Netherlands Energy Research Foundation) and USNRC, ECN has performed a number of assessment calculations for the thermohydraulic system analysis code RELAP5/MOD2/36.05. This document describes the assessment of this computer program versus a natural circulation experiment as conducted at the Borssele Nuclear Power Plant. The results of this comparison show that the code RELAP5/MOD2 predicts well the natural circulation behaviour of Nuclear Power Plant Borssele.

  19. Minerals yearbook: Mineral industries of Europe and the USSR. Volume 3. 1990 international review

    SciTech Connect

    Not Available

    1990-01-01

    The section of the Minerals Yearbook reviews the minerals industries of 29 countries: the 12 nations of the European Community (Belgium, France, the Federal Republic of Germany (FRG), Italy, Greece, the Netherlands, Denmark/Greenland, Spain, Portugal, Luxembourg, The United Kingdom, and Ireland); 6 of the 7 nations of the European Free Trade Association (Sweden, Norway, Finland, Iceland, Austria, and Switzerland); Malta; the 8 Centrally Planned Economies of Eastern Europe (the German Democratic Republic (GDR), Poland, Yugoslavia, Albania, Hungary, Czechoslovakia, Romania, and Bulgaria); and the USSR.

  20. Numerical Prediction of Experimentally Observed Behavior of a Scale Model of an Offshore Wind Turbine Supported by a Tension-Leg Platform: Preprint

    SciTech Connect

    Prowell, I.; Robertson, A.; Jonkman, J.; Stewart, G. M.; Goupee, A. J.

    2013-01-01

    Realizing the critical importance the role physical experimental tests play in understanding the dynamics of floating offshore wind turbines, the DeepCwind consortium conducted a one-fiftieth-scale model test program where several floating wind platforms were subjected to a variety of wind and wave loading condition at the Maritime Research Institute Netherlands wave basin. This paper describes the observed behavior of a tension-leg platform, one of three platforms tested, and the systematic effort to predict the measured response with the FAST simulation tool using a model primarily based on consensus geometric and mass properties of the test specimen.

  1. 20th Annual Green Chemistry & Engineering Conference (Portland, OR) -

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    JCAP th Annual Green Chemistry & Engineering Conference (Portland, OR) 20th Annual Green Chemistry & Engineering Conference (Portland, OR) Tue, Jun 14, 2016 2:30pm 14:30 Thu, Jun 16, 2016 3:30pm 15:30 Portland, OR USA Joel Haber, "Development of solar fuels photoanodes through combinatorial integration of Ni-La-Co-Ce oxide and Ni-Fe-Co-Ce oxide catalysts on BiVO4" June 13 Pathways to Solar Hydrogen Technologies (Leiden, The Netherlands) July 9 Gordon Research Seminar on

  2. Initial testing of a variable-stroke Stirling engine

    SciTech Connect

    Thieme, L.G.

    1985-02-01

    In support of the US Department of Energy's Stirling Engine Highway Vehicle Systems Program, NASA Lewis Research Center is evaluating variable-stroke control for Stirling engines. The engine being tested is the Advenco Stirling engine; this engine was manufactured by Philips Research Laboratories of the Netherlands and uses a variable-angle swash-plate drive to achieve variable stroke operation. This report describes the engine, presents initial steady-state test data taken at Lewis, and describes a major drive system failure and subsequent modifications. Computer simulation results are presented to show potential part-load efficiency gains with variable-stroke control.

  3. U.S. Fuel Ethanol (Renewable) Imports

    Gasoline and Diesel Fuel Update

    2 3 1 250 314 255 1993-2016 Ecuador 2007-2007 Non OPEC* 2 3 1 250 314 255 2004-2016 Argentina 2006-2006 Belgium 2012-2012 Brazil 250 314 255 2004-2016 Canada 2 3 1 2004-2016 China 2006-2006 Congo (Brazzaville) 2006-2006 Costa Rica 2004-2013 El Salvador 2004-2013 Guatemala 2012-2014 Jamaica 2004-2013 Netherlands 2006-2014 Nicaragua 2012-2014 Pakistan 2006-2006 Singapore 2014-2014 Trinidad and Tobago 2005-2011 Virgin Islands (U.S.) 2007-2009

  4. Spectroscopy of complex molecular systems: Physics on an exciton cake-walk

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    | MIT-Harvard Center for Excitonics of complex molecular systems: Physics on an exciton cake-walk November 29, 2011 at 3pm/36-428 Jasper Knoester Zernike Institute for Advanced Materials, University of Groningen, Netherlands j_knoester Abstract: The concept of excitons, collective excited states, is well-known in solid-state physics. It was first developed by Frenkel in the 1930's to explain the absorption spectrum of perfect molecular crystals, in which case the excitons are simple Bloch

  5. Proceedings of the Third International Workshop on the implementation of ALARA at nuclear power plants

    SciTech Connect

    Khan, T.A.; Roecklein, A.K.

    1995-03-01

    This report contains the papers presented and the discussions that took place at the Third International Workshop on ALARA Implementation at Nuclear Power Plants, held in Hauppauge, Long Island, New York from May 8--11, 1994. The purpose of the workshop was to bring together scientists, engineers, health physicists, regulators, managers and other persons who are involved with occupational dose control and ALARA issues. The countries represented were: Canada, Finland, France, Germany, Japan, Korea, Mexico, the Netherlands, Spain, Sweden, the United Kingdom and the United States. The workshop was organized into twelve sessions and three panel discussions. Individual papers have been cataloged separately.

  6. Aquifer thermal energy (heat and chill) storage

    SciTech Connect

    Jenne, E.A.

    1992-11-01

    As part of the 1992 Intersociety Conversion Engineering Conference, held in San Diego, California, August 3--7, 1992, the Seasonal Thermal Energy Storage Program coordinated five sessions dealing specifically with aquifer thermal energy storage technologies (ATES). Researchers from Sweden, The Netherlands, Germany, Switzerland, Denmark, Canada, and the United States presented papers on a variety of ATES related topics. With special permission from the Society of Automotive Engineers, host society for the 1992 IECEC, these papers are being republished here as a standalone summary of ATES technology status. Individual papers are indexed separately.

  7. Slide 1

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Jonathan A. Dowell DOE-RL Assistant Manager for River and Plateau S a fe a n d E ff e c ti v e C le a n u p th a t P ro te c ts th e C o lu m b ia R iv e r  Re du ce s the Ac tiv e Sit e Fo otp rin t of Cle an up to 75 Sq ua re Mi les (58 6 to 75 )  Sig nif ica ntl y Re du ce s Lo ng -Te rm Mo rtg ag e Co sts  At Co mp let ion , Sh ifts Em ph as is an d Re so urc es to Fu ll Sc ale Cle an up of the Ce ntr al Pla tea u (75 sq ua re mi les )  Re du ce s Co sts by "R igh t Siz ing

  8. CgWind: A high-order accurate simulation tool for wind turbines and wind farms

    SciTech Connect

    Chand, K K; Henshaw, W D; Lundquist, K A; Singer, M A

    2010-02-22

    CgWind is a high-fidelity large eddy simulation (LES) tool designed to meet the modeling needs of wind turbine and wind park engineers. This tool combines several advanced computational technologies in order to model accurately the complex and dynamic nature of wind energy applications. The composite grid approach provides high-quality structured grids for the efficient implementation of high-order accurate discretizations of the incompressible Navier-Stokes equations. Composite grids also provide a natural mechanism for modeling bodies in relative motion and complex geometry. Advanced algorithms such as matrix-free multigrid, compact discretizations and approximate factorization will allow CgWind to perform highly resolved calculations efficiently on a wide class of computing resources. Also in development are nonlinear LES subgrid-scale models required to simulate the many interacting scales present in large wind turbine applications. This paper outlines our approach, the current status of CgWind and future development plans.

  9. Large Eddy Simulation of Wind Turbine Wakes. Detailed Comparisons of Two Codes Focusing on Effects of Numerics and Subgrid Modeling

    SciTech Connect

    Martinez-Tossas, Luis A.; Churchfield, Matthew J.; Meneveau, Charles

    2015-06-18

    In this work we report on results from a detailed comparative numerical study from two Large Eddy Simulation (LES) codes using the Actuator Line Model (ALM). The study focuses on prediction of wind turbine wakes and their breakdown when subject to uniform inflow. Previous studies have shown relative insensitivity to subgrid modeling in the context of a finite-volume code. The present study uses the low dissipation pseudo-spectral LES code from Johns Hopkins University (LESGO) and the second-order, finite-volume OpenFOAMcode (SOWFA) from the National Renewable Energy Laboratory. When subject to uniform inflow, the loads on the blades are found to be unaffected by subgrid models or numerics, as expected. The turbulence in the wake and the location of transition to a turbulent state are affected by the subgrid-scale model and the numerics.

  10. Meeting Jentschke

    ScienceCinema

    None

    2016-07-12

    Après une introduction des dernières recherches et nouvelles au Cern, le DG W.Jentschke parle du futur management du Cern avec deux nouv directeurs générales, responsables pour les 5 ans prochains: le Dr.J.B.Adams qui s'occupera de l'administration du Cern et aussi de la construction des bâtiments et équipements et Le Dr.L.van Hove qui sera responsable pour les activités de la recherche. Le DG parle des changes et structures prévus, des services communs, des différentes divisions et leurs chefs etc...

  11. Minimalist Model of Ice Microphysics in Mixed-phase Stratiform Clouds

    SciTech Connect

    Yang, F.; Ovchinnikov, Mikhail; Shaw, Raymond A.

    2013-07-28

    The question of whether persistent ice crystal precipitation from super cooled layer clouds can be explained by time-dependent, stochastic ice nucleation is explored using an approximate, analytical model, and a large-eddy simulation (LES) cloud model. The updraft velocity in the cloud defines an accumulation zone, where small ice particles cannot fall out until they are large enough, which will increase the residence time of ice particles in the cloud. Ice particles reach a quasi-steady state between growth by vapor deposition and fall speed at cloud base. The analytical model predicts that ice water content (wi) has a 2.5 power law relationship with ice number concentration ni. wi and ni from a LES cloud model with stochastic ice nucleation also confirm the 2.5 power law relationship. The prefactor of the power law is proportional to the ice nucleation rate, and therefore provides a quantitative link to observations of ice microphysical properties.

  12. L'Aventure du LHC

    ScienceCinema

    None

    2016-07-12

    Cette présentation s’adressera principalement aux personnes qui ont construit le LHC. La construction du LHC fut longue et difficile. De nombreux problèmes sont apparus en cours de route. Tous ont été résolus grâce au dévouement et à l’engagement du personnel et des collaborateurs. Je reviendrai sur les coups durs et les réussites qui ont marqués ces 15 dernières années et je vous montrerai combien cette machine, le fruit de vos efforts, est extraordinaire.

  13. Large Eddy Simulation of Wind Turbine Wakes. Detailed Comparisons of Two Codes Focusing on Effects of Numerics and Subgrid Modeling

    DOE PAGES [OSTI]

    Martinez-Tossas, Luis A.; Churchfield, Matthew J.; Meneveau, Charles

    2015-06-18

    In this work we report on results from a detailed comparative numerical study from two Large Eddy Simulation (LES) codes using the Actuator Line Model (ALM). The study focuses on prediction of wind turbine wakes and their breakdown when subject to uniform inflow. Previous studies have shown relative insensitivity to subgrid modeling in the context of a finite-volume code. The present study uses the low dissipation pseudo-spectral LES code from Johns Hopkins University (LESGO) and the second-order, finite-volume OpenFOAMcode (SOWFA) from the National Renewable Energy Laboratory. When subject to uniform inflow, the loads on the blades are found to bemore » unaffected by subgrid models or numerics, as expected. The turbulence in the wake and the location of transition to a turbulent state are affected by the subgrid-scale model and the numerics.« less

  14. Slide 1

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    INTRODUCTION Boundary layer clouds (BLCs) have a significant impact on the radiative budget of the Earth but are difficult to represent in climate models. In the past, large eddy simulation (LES) has served as a major role in providing a better understanding of the BLCs and developing parameterizations of cloud turbulence and convection processes. ARM over the years has made a great progress in developing a suite of key remote sensing instruments, such as MMCR and WACR, for observing BLCs under

  15. Highlights | Photosynthetic Antenna Research Center

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Highlights Highlights Below is a list of the current PARC PI Research Highlights: Bob Blankenship January 2012.pdf; March 2013 Dewey Holten March 2012.pdf Pratim Biswas May 2012.pdf; July 2013 David Bocian January 2012.pdf; September 2013 Richard Cogdell January 2012.pdf; March 2013 Les Dutton & Chris Moser November 2011.pdf; June 2013 Neil Hunter November 2011.pdf; June 2013 Jon Lindsey November 2011.pdf; March 2013 Cynthia Lo January 2013.pdf Paul Loach & Pamela Parkes-Loach January

  16. Memorandum Memorializing Ex Parte Communication | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    February 17, 2011, personnel from Urenco, Inc. on behalf of Louisiana Energy Services, LLC ("LES") met with U.S. Department of Energy (DOE) staff to discuss DOE's Notice of Inquiry and request for comments on regulations pertaining to the Convention on Supplementary Compensation for Nuclear Damage, as published in the Federal Register on July 27, 2010 (75 FR 43945). Memorandum Memorializing Ex Parte Communication (35.31 KB) More Documents & Publications Memorandum Memorializing Ex

  17. ARM - Facility News Article

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    7, 2016 [Facility News] Atmospheric Modeling Advisory Group Assembled Bookmark and Share ARM recently formed the Atmospheric Modeling Advisory Group to represent research community interests and provide feedback to the LES ARM Symbiotic Simulation and Observation Workflow (LASSO) modeling project. This group consists of six scientists, spanning the range of specialties that will benefit from LASSO, plus ARM Technical Director, Jim Mather; LASSO principal investigator, William Gustafson; and

  18. ARM Dev Workshop Plenary Presentation Gustafson 201507.pptx

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Development of the LES ARM Symbiotic Simulation and Observation (LASSO) Workflow William I. Gustafson, Principal Investigator Pacific Northwest National Laboratory Andrew M. Vogelmann, Co-principal Investigator Brookhaven National Laboratory January 2014 Measurement Strategy Large-Eddy Simulation Scale (1 to 200 m) Cloud-Resolving Model Scale (1 to 4 km) Mesoscale Model Scale (4 to 20 km) Single-Column Model (100 km) General Circulation Model Scale (10 to 100 km, NCEP/ ECMWF Forcing) ARM

  19. LEM-CF Premixed Tool Kit

    Energy Science and Technology Software Center

    2015-01-19

    The purpose of LEM-CF Premixed Tool Kit is to process premixed flame simulation data from the LEM-CF solver (https://fileshare.craft-tech.com/clusters/view/lem-cf) into a large-eddy simulation (LES) subgrid model database. These databases may be used with a user-defined-function (UDF) that is included in the Tool Kit. The subgrid model UDF may be used with the ANSYS FLUENT flow solver or other commercial flow solvers.

  20. Combustion Energy Frontier Research Center Post-Doctoral Position in Advanced Combustion Simulations

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Frontier Research Center (CEFRC) seeks outstanding applicants for the position of post-doctoral research associate to perform research at Cornell University and Sandia National Laboratories on advanced simulations of turbulent combustion. This position is as a Combustion Energy Research Fellow, as described at http://pcl.princeton.edu/efrc/fellow_Flyer.html . The project involves two simulation methodologies: direct numerical simulation (DNS); and large-eddy simulation (LES) using the

  1. Combustion Energy Frontier Research Center Post-Doctoral Position in Advanced Combustion Simulations

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    EFRC seeks outstanding applicants for the position of post-doctoral research associate to perform research at Cornell University and Sandia National Laboratories on advanced simulations of turbulent combustion. The project involves two simulation methodologies: direct numerical simulation (DNS); and large-eddy simulation (LES) using the filtered density function (FDF) approach. DNS involves minimal modeling, but is restricted (by computational capabilities) to simple geometries and a moderate

  2. Researchers develop a new mathematical tool for analyzing and evaluating

    National Nuclear Security Administration (NNSA)

    nuclear material | National Nuclear Security Administration | (NNSA) Researchers develop a new mathematical tool for analyzing and evaluating nuclear material Friday, January 8, 2016 - 12:00am Lawrence Livermore National Laboratory scientist Les Nakae, front, shows off a liquid scintillator detector for measuring neutrons and gamma rays with nanosecond timing, which requires the new theoretical formulations detailed in a recent research paper. Joining him are team members, from left: Neal

  3. Meeting LEP

    ScienceCinema

    None

    2016-07-12

    Le DG J.Adams fait l'introduction et présente les deux autres orateurs. Pierre Darriulat qui fait un doscours sur la physique à l'occasion du LEP, Wolfgang Schnell, qui parle du projet de la machine LEP et le DG lui-même contribue avec quelques réflexions. Présentation des dias

  4. Sample Projects - Combustion Energy Frontier Research Center

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Sample Projects Sample Projects These are only a few of the many possible research directions for Combustion Energy Research Fellows. For a more complete view on possible CEFRC postdoctoral research projects and collaborations please contact the Center Principal Investigators individually. Advanced Combustion Simulations with Dr. Jacqueline H. Chen and Prof. D. Haworth DNS/LES simulations with Prof. Stephen B. Pope and Dr. Jacqueline H. Chen. Simulations of experimental flames with Prof. Fokion

  5. Practical application of large eddy simulation to film cooling flow analysis on gas turbine airfoils

    SciTech Connect

    Takata, T.; Takeishi, K.; Kawata, Y.; Tsuge, A.

    1999-07-01

    Large eddy simulation (LES) using body-fitted coordinates is applied to solve film cooling flow on turbine blades. The turbulent model was tuned using the experimental flow field and adiabatic film cooling effectiveness measurements for a single row of holes on a flat plate surface. The results show the interaction between the main stream boundary layer and injected film cooling air generates kidney and horseshoe shaped vortices. Comparison of the temperature distribution between experimental results and present analysis has been conducted. The non-dimensional temperature distribution at x/d = 1 is dome style and quantitatively agrees with experimental results. LES was also applied to solve film cooling on a turbine airfoil. If LES was applied to solve whole flow field domain large CPU time would make the solution impractical. LES, using body-fitted coordinates, is applied to solve the non-isotropic film cooling flow near the turbine blade. The cascade flow domain, with a pitch equal to one film cooling hole spacing, is solved using {kappa}-{epsilon} model. By using such a hybrid numerical method, CPU time is reduced and numerical accuracy is insured. The analytical results show the interaction between the flow blowing through film cooling holes and mainstream on the suction and pressure surfaces of the turbine airfoil. They also show the fundamental structure of the film cooling air flow is governed by arch internal secondary flow and horseshoe vortices which have a similar structure to film cooling air flow blowing through a cooling hole on a flat plate. In the flow field, the effect of turbulent structure on curvature (relaminarization) and flow pattern, involving the interaction between main flow and the cooling jet, are clearly shown. Film cooling effectiveness on the blade surface is predicted from the results of the thermal field calculation and is compared with the test result.

  6. Subgrid models for mass and thermal diffusion in turbulent mixing

    SciTech Connect

    Sharp, David H; Lim, Hyunkyung; Li, Xiao - Lin; Gilmm, James G

    2008-01-01

    We are concerned with the chaotic flow fields of turbulent mixing. Chaotic flow is found in an extreme form in multiply shocked Richtmyer-Meshkov unstable flows. The goal of a converged simulation for this problem is twofold: to obtain converged solutions for macro solution features, such as the trajectories of the principal shock waves, mixing zone edges, and mean densities and velocities within each phase, and also for such micro solution features as the joint probability distributions of the temperature and species concentration. We introduce parameterized subgrid models of mass and thermal diffusion, to define large eddy simulations (LES) that replicate the micro features observed in the direct numerical simulation (DNS). The Schmidt numbers and Prandtl numbers are chosen to represent typical liquid, gas and plasma parameter values. Our main result is to explore the variation of the Schmidt, Prandtl and Reynolds numbers by three orders of magnitude, and the mesh by a factor of 8 per linear dimension (up to 3200 cells per dimension), to allow exploration of both DNS and LES regimes and verification of the simulations for both macro and micro observables. We find mesh convergence for key properties describing the molecular level of mixing, including chemical reaction rates between the distinct fluid species. We find results nearly independent of Reynolds number for Re 300, 6000, 600K . Methodologically, the results are also new. In common with the shock capturing community, we allow and maintain sharp solution gradients, and we enhance these gradients through use of front tracking. In common with the turbulence modeling community, we include subgrid scale models with no adjustable parameters for LES. To the authors' knowledge, these two methodologies have not been previously combined. In contrast to both of these methodologies, our use of Front Tracking, with DNS or LES resolution of the momentum equation at or near the Kolmogorov scale, but without resolving the

  7. 2015 Symposium

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    2015 CAMD Symposium Printable Symposium Flyer (pdf) Friday, April 24th, 2015 LTRC Transportation Training and Education Center (TTEC), 4099 Gourrier Avenue, Baton Rouge, LA We are proud to announce the following speakers have been confirmed for this event: Christian Arrington View Abstract (pdf) Sandia National Laboratories' Metal Micromachining Program Les Butler View Abstract (pdf) Professor of Chemistry, Louisiana State University Carol Hirschmugl View Abstract (pdf) Professor of Physics,

  8. Inauguration LEP

    ScienceCinema

    None

    2016-07-12

    Le DG H.Schopper salue le président de la république française, F.Mitterand, le président de la confédaration suisse P.Aubert, ainsi que les ministres et représentants du gouvernement des 12 états membres pour la célébration et inauguration du LEP.

  9. leoles_poster_v1.0.ppt

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Observations and LES of Liquid Stratus over the ACRF D. B. Mechem and Y. L. Kogan Cooperative Institute for Mesoscale Meteorological Studies, The University of Oklahoma The evolution of low cloud systems is inextricably linked to dynamical processes: heat, moisture, mass, and momentum transports, and of course, entrainment. Studies employing continuous years of low cloud observations over the southern great plains ARM Climate Research Facility (ACRF) emphasized their climatological,

  10. Sibendu Som | Argonne National Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Sibendu Som Principal Mechanical Engineer News Engine design takes a major leap at Argonne The complex chemistry of combustion Argonne, Achates Power and Delphi Automotive to investigate new approach to engines E-mail ssom@anl.gov Website Google Scholar Projects Combustion Modeling with Detailed Chemistry Effect of Nozzle Orifice Geometry Fuel Spray Modeling High-Fidelity Large Eddy Simulations (LES) Multi-Dimensional Modeling Simulation Approaches for Drop-in Biofuels Virtual Engine Research

  11. Simulation of Post-Frontal Boundary Layers Observed During the ARM 2000 Cloud IOP

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Simulation of Post-Frontal Boundary Layers Observed During the ARM 2000 Cloud IOP D. B. Mechem and Y. L. Kogan Cooperative Institute for Mesoscale Meteorological Studies University of Oklahoma Norman, Oklahoma M. Poellot University of North Dakota Grand Forks, North Dakota Introduction Large-eddy simulation (LES) models have been widely employed in the study of radiatively forced cloud topped boundary layers (CTBL). These boundary layers are typically well mixed and characterized by a sharp jump

  12. 5. international workshop on the identification of transcribed sequences

    SciTech Connect

    1995-12-31

    This workshop was held November 5--8, 1995 in Les Embiez, France. The purpose of this conference was to provide a multidisciplinary forum for exchange of state-of-the-art information on mapping the human genome. Attention is focused on the following topics: transcriptional maps; functional analysis; techniques; model organisms; and tissue specific libraries and genes. Abstracts are included of the papers that were presented.

  13. Microsoft PowerPoint - NMMSS Role in Preparing a New Facility for Reporting to the International Atomic Energy Agency_Gary Hirs

    National Nuclear Security Administration (NNSA)

    Role in Preparing a New Facility for Reporting to the International Atomic Energy Agency Gary Hirsch - NMMSS Purpose  This presentation covers the steps that NMMSS took to support the successful reporting to the IAEA by the U.S. Government for a new IAEA SELECT facility - LES owned and operated by URENCO USA  NMMSS reports import/export activity for ALL civilian nuclear materials to the IAEA  IAEA selected facilities have unique composition/facility code reporting requirements. 2

  14. 25th Birthday Cern- Amphi

    ScienceCinema

    None

    2016-07-12

    Cérémonie du 25ème anniversaire du Cern avec 2 orateurs: le Prof.Weisskopf parle de la signification et le rôle du Cern et le Prof.Casimir(?) fait un exposé sur les rélations entre la science pure et la science appliquée et la "big science" (science légère)

  15. Senior Staff Meeting

    ScienceCinema

    None

    2016-07-12

    Herbert Lengler fait l'introduction et remercie le DG, les directeurs et le vice président de l'association du personnel pour leur présence. Il parlera des activités depuis la dernière réunion et fera des commentaires sur l'"Abragam Commitee Final Report". Une discussion suivra sur plusieurs points importants.

  16. LASSO* - Science Requirements

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    LASSO* - Science Requirements *LES ARM Symbiotic Simulation and Observation (LASSO) workflow Andy Vogelmann 1 , William I Gustafson Jr 2 Zhijin Li 3,4 , Xiaoping Cheng 3 , Satoshi Endo 1 , Tami Toto 1 , and Heng Xiao 2 1 Brookhaven National Laboratory 2 Pacific Northwest National Laboratory 3 University of California Los Angeles 4 NASA Jet Propulsion Laboratory And TONS of people from the rest of ARM! LASSO Webpage: http://www.arm.gov/science/themes/lasso LASSO e-mail list sign up:

  17. Partager : des technologies de pointe au service de la société

    ScienceCinema

    None

    2016-07-12

    Médecine, climatologie, métrologie et informatique, les techniques utilisées par le LHC trouvent déjà des répercussions dans d’autres domaines scientifiques. Utilisant des techniques inédites, la physique des particules en fait bénéficier la société toute entière.

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Cloud-Resolving Simulations of Boundary-Layer Cloud Regimes with a Third-Order Turbulence Cheng, A.(a,b) and Xu, K.-M.(a), Atmospheric Sciences, NASA Langley Research Center (a), Hampton University (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting LES (large eddy simulation) models can explicitly resolve large turbulent eddies, which contain m ost of the turbulent kinetic energy and do most of the transport in the boundary layer. These edd ies have to be parameterized in

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Radiative Influences on Drop Growth Harrington, J.Y, Hartman, C., and Verlinde, J., The Pennsylvania State University Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The offsetting effects of solar heating and infrared cooling on the vapor-depositional growth of cloud droplets is investigated. In this study, a marine stratocumulus cloud was simulated by using a large eddy simulation (LES) model and a detailed microphysical bin model. Including infrared cooling as

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    A Satellite Cloud, Radiation and Precipitation Data Set for Cloud Model Evaluation Xu, K.-M.(a), Wielicki, B.A.(a), Wong, T.(a), and Randall, D.A.(b), NASA Langley Research Center (a), Colorado State University (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting To systematically evaluate cloud models including large-eddy simulation (LES), cloud-resolving models (CRMs), cloud parameterizations in general circulation models (GCMs), one needs a large set of cloud, radiation

  1. ARM - Publications: Science Team Meeting Documents: Variance similarity in

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    shallow cumulus topped mixed layers Variance similarity in shallow cumulus topped mixed layers Neggers, Roel ECMWF Stevens, Bjorn Department of Atmospheric and Oceanic Sciences, UCLA Neelin, David Department of Atmospheric and Oceanic Sciences, UCLA Thermodynamic variance similarity in shallow cumulus topped mixed layers is studied using large-eddy simulation (LES) results. The simulations are based on a range of different shallow cumulus cases, including marine steady state cumulus as well

  2. RACORO continental boundary layer cloud investigations. 2. Large-eddy simulations of cumulus clouds and evaluation with in-situ and ground-based observations

    SciTech Connect

    Endo, Satoshi; Fridlind, Ann M.; Lin, Wuyin; Vogelmann, Andrew M.; Toto, Tami; Ackerman, Andrew S.; McFarquhar, Greg M.; Jackson, Robert C.; Jonsson, Haflidi H.; Liu, Yangang

    2015-06-19

    A 60-hour case study of continental boundary layer cumulus clouds is examined using two large-eddy simulation (LES) models. The case is based on observations obtained during the RACORO Campaign (Routine Atmospheric Radiation Measurement [ARM] Aerial Facility [AAF] Clouds with Low Optical Water Depths [CLOWD] Optical Radiative Observations) at the ARM Climate Research Facility's Southern Great Plains site. The LES models are driven by continuous large-scale and surface forcings, and are constrained by multi-modal and temporally varying aerosol number size distribution profiles derived from aircraft observations. We compare simulated cloud macrophysical and microphysical properties with ground-based remote sensing and aircraft observations. The LES simulations capture the observed transitions of the evolving cumulus-topped boundary layers during the three daytime periods, and generally reproduce variations of droplet number concentration with liquid water content (LWC), corresponding to the gradient between the cloud centers and cloud edges at given heights. The observed LWC values fall within the range of simulated values; the observed droplet number concentrations are commonly higher than simulated, but differences remain on par with potential estimation errors in the aircraft measurements. Sensitivity studies examine the influences of bin microphysics versus bulk microphysics, aerosol advection, supersaturation treatment, and aerosol hygroscopicity. Simulated macrophysical cloud properties are found to be insensitive in this non-precipitating case, but microphysical properties are especially sensitive to bulk microphysics supersaturation treatment and aerosol hygroscopicity.

  3. RACORO continental boundary layer cloud investigations. 2. Large-eddy simulations of cumulus clouds and evaluation with in-situ and ground-based observations

    DOE PAGES [OSTI]

    Endo, Satoshi; Fridlind, Ann M.; Lin, Wuyin; Vogelmann, Andrew M.; Toto, Tami; Ackerman, Andrew S.; McFarquhar, Greg M.; Jackson, Robert C.; Jonsson, Haflidi H.; Liu, Yangang

    2015-06-19

    A 60-hour case study of continental boundary layer cumulus clouds is examined using two large-eddy simulation (LES) models. The case is based on observations obtained during the RACORO Campaign (Routine Atmospheric Radiation Measurement [ARM] Aerial Facility [AAF] Clouds with Low Optical Water Depths [CLOWD] Optical Radiative Observations) at the ARM Climate Research Facility's Southern Great Plains site. The LES models are driven by continuous large-scale and surface forcings, and are constrained by multi-modal and temporally varying aerosol number size distribution profiles derived from aircraft observations. We compare simulated cloud macrophysical and microphysical properties with ground-based remote sensing and aircraft observations.more » The LES simulations capture the observed transitions of the evolving cumulus-topped boundary layers during the three daytime periods, and generally reproduce variations of droplet number concentration with liquid water content (LWC), corresponding to the gradient between the cloud centers and cloud edges at given heights. The observed LWC values fall within the range of simulated values; the observed droplet number concentrations are commonly higher than simulated, but differences remain on par with potential estimation errors in the aircraft measurements. Sensitivity studies examine the influences of bin microphysics versus bulk microphysics, aerosol advection, supersaturation treatment, and aerosol hygroscopicity. Simulated macrophysical cloud properties are found to be insensitive in this non-precipitating case, but microphysical properties are especially sensitive to bulk microphysics supersaturation treatment and aerosol hygroscopicity.« less

  4. Fibre optique à la maison en Pays de Gex et de Bellegarde

    ScienceCinema

    None

    2016-07-12

    Le Syndicat Intercommunal d’Electricité de l’Ain(SIEA) déploie un réseau FTTH (Fiber To The Home) de fibres optiques dans le département de l’Ain vers l’ensemble des habitations. Le déploiement sur la zone pilote du Pays de Gex et du Bassin Bellegardien arrive dans la phase terminale vers les habitations. Le SIEA présentera ses activités, l’état du développement du réseau, les implications d’une connexion fibre optique et les procédures d’abonnement. La présentation sera donnée en Français. -------------------------------------------------------------------------------------------------------------------------------Public conference "Optical fiber To The Home in Pays de Gex et de Bellegarde" Michel Chanel et Jean Paul Goy (SIEA) Wednesday, 19th May at 11.30 hrs., Council Chamber, CERN The ‘’ Syndicat Intercommunal d’Electricité de l’Ain’’(SIEA) is deploying an optical fiber network FTTH (Fiber To The Home) in the Ain department towards the ensemble of houses. The installation on the pilot areas of Pays de Gex and Bassin Bellegardien is arriving in the phase of connecting houses. The SIEA will show its activities, the state of the network development, the implications of an optical fiber connection and the contract procedures. The presentation will be given in French

  5. Applications of large-eddy simulation: Synthesis of neutral boundary layer models

    SciTech Connect

    Ohmstede, W.D.

    1987-12-01

    The object of this report is to describe progress made towards the application of large-eddy simulation (LES), in particular, to the study of the neutral boundary layer (NBL). The broad purpose of the study is to provide support to the LES project currently underway at LLNL. The specific purpose of this study is to lay the groundwork for the simulation of the SBL through the establishment and implementation of model criteria for the simulation of the NBL. The idealistic NBL is never observed in the atmosphere and therefore has little practical significance. However, it is of considerable theoretical interest for several reasons. The report discusses the concept of Rossby-number similarity theory as it applies to the NBL. A particular implementation of the concept is described. Then, the results from prior simulations of the NBL are summarized. Model design criteria for two versions of the Brost LES (BLES) model are discussed. The general guidelines for the development of Version 1 of the Brost model (BV1) were to implement the model with a minimum of modifications which would alter the design criteria as established by Brost. Two major modifications of BLES incorporated into BV1 pertain to the initialization/parameterization of the model and the generalization of the boundary conditions at the air/earth interface. 18 refs., 4 figs.

  6. Compilation and analyses of emissions inventories for NOAA`s atmospheric chemistry project. Progress report, August 1997

    SciTech Connect

    Benkovitz, C.M.; Mubaraki, M.A.

    1997-09-01

    Global inventories of anthropogenic emissions of oxides of nitrogen (NO{sub x}) for circa 1985 and 1990 and Non-Methane Volatile Organic Compounds (NMVOCs) for circa 1990 have been compiled by this project. Work on the inventories has been carried out under the umbrella of the Global Emissions Inventory Activity (GEIA) of the International Global Atmospheric Chemistry (IGAC) Program. The 1985 NO{sub x} inventory was compiled using default data sets of global emissions that were refined via the use of more detailed regional data sets; this inventory is being distributed to the scientific community at large as the GEIA Version 1A inventory. Global emissions of NO{sub x} for 1985 are estimated to be 21 Tg N y{sup -1}, with approximately 84% originating in the Northern Hemisphere. The 1990 inventories of NO{sub x} and NMVOCs were compiled using unified methodologies and data sets in collaboration with the Netherlands National Institute of Public Health and Environmental Protection (Rijksinstituut Voor Volksgezondheid en Milieuhygiene, RIVM) and the Division of Technology for Society of the Netherlands Organization for Applied Scientific Research, (IMW-TNO); these emissions will be used as the default estimates to be updated with more accurate regional data. The NMVOC inventory was gridded and speciated into 23 chemical categories.

  7. The greening of party politics in western Europe: Environmentalism, economics, and partisan orientations in four nations

    SciTech Connect

    Rohrschneider, R.

    1989-01-01

    This research is guided by two overarching questions. First, why do publics in West European nations support environmental organizations And second, what is the effect of environmental group support on economically based partisan orientations In order to address these questions, we analyze public opinion surveys (1982-1986) in Germany, France, Great Britain and the Netherlands. The findings suggest that European publics give considerable support to environmental organizations in these four nations. The two factors which are particularly strongly related to environmental group support are post material value priorities and the perception of national pollutions problems. Moreover, environmentalism is integrated into a well structured schema which guides the evaluation of environmentally related information. Considerable variations across national emerge in regard to the link between citizens' partisanship and environmental group support. In Germany and the Netherlands, environmentalism provides the basis for new partisan cleavage- Individuals who evaluate environmental groups favorably are much more likely to support New left or Old left parties. In contrast to these two nations, citizens' partisanship in France and Great Britain is dominated by economic policy positions; environmental group support is only weakly linked to individuals' partisan choice. These findings suggest that environmentalism will be an important influence on European public opinion and party systems in the foreseeable future.

  8. (Environmental impact assessment as applied to policies, plans and programs)

    SciTech Connect

    Sigal, L.L.

    1990-10-19

    A proposal to study the application of the principles of environmental impact assessment (EIA) to policy, plans, and programs was submitted by the US Environmental Protection Agency (EPA) to the Senior Advisors on Environmental and Water Problems of the United Nations Economic Commission. On approval, EPA asked Oak Ridge National Laboratory (ORNL) to support its efforts as lead participant on an international task force. ORNL is responsible for overall project management, including development of the report. At the first meeting in Geneva on June 18--19, there were representatives from Austria, Canada, Finland, Norway, Poland, Sweden, and the United Kingdom. The administrative/legal setting for EIA in each country was reviewed. The objectives of the task force were defined, and issues related to the application of EIA at the policy level were discussed. At the second meeting, in addition to those countries represented at the first meeting the Commission of Economic Communities, Czech and Slovak Federal Republic, Remark, Federal Republic of Germany, Hungary, and The Netherlands were represented. A brief review was given by the new participants of legal/administrative requirements for EIA in their countries. Case studies were presented by Canada, Finland, The Netherlands, Norway, Sweden, and the United States.

  9. Comparison of personal radio frequency electromagnetic field exposure in different urban areas across Europe

    SciTech Connect

    Joseph, Wout; University of Basel ; Thuroczy, Gyoergy; French National Institute for Industrial Environment and Risks , Verneuil en Halatte ; Gajsek, Peter; Trcek, Tomaz; Bolte, John; Vermeeren, Guenter; University of Basel ; Juhasz, Peter; Finta, Viktoria

    2010-10-15

    Background: Only limited data are available on personal radio frequency electromagnetic field (RF-EMF) exposure in everyday life. Several European countries performed measurement studies in this area of research. However, a comparison between countries regarding typical exposure levels is lacking. Objectives: To compare for the first time mean exposure levels and contributions of different sources in specific environments between different European countries. Methods: In five countries (Belgium, Switzerland, Slovenia, Hungary, and the Netherlands), measurement studies were performed using the same personal exposure meters. The pooled data were analyzed using the robust regression on order statistics (ROS) method in order to allow for data below the detection limit. Mean exposure levels were compared between different microenvironments such as homes, public transports, or outdoor. Results: Exposure levels were of the same order of magnitude in all countries and well below the international exposure limits. In all countries except for the Netherlands, the highest total exposure was measured in transport vehicles (trains, car, and busses), mainly due to radiation from mobile phone handsets (up to 97%). Exposure levels were in general lower in private houses or flats than in offices and outdoors. At home, contributions from various sources were quite different between countries. Conclusions: Highest total personal RF-EMF exposure was measured inside transport vehicles and was well below international exposure limits. This is mainly due to mobile phone handsets. Mobile telecommunication can be considered to be the main contribution to total RF-EMF exposure in all microenvironments.

  10. Slide 1

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    D. Obland 1* , Anthony L. Cook 1 , Richard A. Ferrare 1 , John W. Hair 1 , David B. Harper 1 , Chris A. Hostetler 1 , Raymond R. Rogers 2 , Sharon P. Burton 2 , Marian F. Clayton 2 , 1 NASA Langley Research Center 2 SSAI/NASA Langley Research Center Initial High Spectral Resolution Lidar Results From the Cumulus Humilis Aerosol Processing Study (CHAPS) and Cloud and Land Surface Interaction Campaign (CLASIC) The authors would like to thank Mike Wusk, Rick Yasky, Les Kagey, Howard Lewis, Scott

  11. Slide 1

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    MiniBooNE Alexis A. Aguilar-Arévalo for the MiniBooNE Collaboration February 25, 2008 Les Rencontres de Physique de la Vallée d'Aoste Alexis Aguilar-Arévalo Rencontres de Physique de la Vallée d'Aoste Feb 25, 2008 1 Outline 1. Motivation 2. Description of the Experiment 3. Oscillation analysis 4. Results 5. Future plans 6. Summary 2 Alexis Aguilar-Arévalo Rencontres de Physique de la Vallée d'Aoste Feb 25, 2008 University of Alabama Los Alamos National Laboratory Bucknell University

  12. ARM - Evaluation Product - LASSO Alpha 1 Data Bundles

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ProductsLASSO Alpha 1 Data Bundles ARM Data Discovery Browse Data Documentation Use the Data File Inventory tool to view data availability at the file level. Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Evaluation Product : LASSO Alpha 1 Data Bundles [ ARM research - evaluation data product ] The Alpha 1 release contains initial data bundles from the large-eddy simulation (LES) ARM Symbiotic Simulation and Observation (LASSO) workflow pilot

  13. Nek5000 Ready to Use after Simulations of Important Pipe Flow Benchmark |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Nek5000 Ready to Use after Simulations of Important Pipe Flow Benchmark Nek5000 Ready to Use after Simulations of Important Pipe Flow Benchmark January 29, 2013 - 1:42pm Addthis Velocity magnitude in MATiS-H spacer grid with swirl-type vanes. Velocity magnitude in MATiS-H spacer grid with swirl-type vanes. As part of the on-going Nek5000 validation efforts, a series of large eddy simulations (LES) have been performed for thermal stratification in a pipe. Results were in

  14. 2015 Schedule

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    CAMD 2015 Symposium followed by the CAMD Users' Meeting Schedule Printable Schedule (pdf) Friday, April 24th, 2015 LTRC Transportation Training and Education Center (TTEC), 4099 Gourrier Avenue, Baton Rouge, LA Symposium (8:25 AM - 12:15 PM) 8:25 - Associate Vice President Gus Kousoulas, "Welcome" Symposium Invited Speakers 8:30 Christian Arrington, Sandia, "High Aspect Ratio Metal Microfabrication" 9:10 Les Butler, LSU, "Construction and Preliminary Results from a 70

  15. Quantifying the Uncertainties of Aerosol Indirect Effects and Impacts on Decadal-Scale Climate Variability in NCAR CAM5 and CESM1

    SciTech Connect

    Park, Sungsu

    2014-12-12

    The main goal of this project is to systematically quantify the major uncertainties of aerosol indirect effects due to the treatment of moist turbulent processes that drive aerosol activation, cloud macrophysics and microphysics in response to anthropogenic aerosol perturbations using the CAM5/CESM1. To achieve this goal, the P.I. hired a postdoctoral research scientist (Dr. Anna Fitch) who started her work from the Nov.1st.2012. In order to achieve the project goal, the first task that the Postdoc. and the P.I. did was to quantify the role of subgrid vertical velocity variance on the activation and nucleation of cloud liquid droplets and ice crystals and its impact on the aerosol indirect effect in CAM5. First, we analyzed various LES cases (from dry stable to cloud-topped PBL) to check whether this isotropic turbulence assumption used in CAM5 is really valid. It turned out that this isotropic turbulence assumption is not universally valid. Consequently, from the analysis of LES, we derived an empirical formulation relaxing the isotropic turbulence assumption used for the CAM5 aerosol activation and ice nucleation, and implemented the empirical formulation into CAM5/CESM1, and tested in the single-column and global simulation modes, and examined how it changed aerosol indirect effects in the CAM5/CESM1. These results were reported in the poster section in the 18th Annual CESM workshop held in Breckenridge, CO during Jun.17-20.2013. While we derived an empirical formulation from the analysis of couple of LES from the first task, the general applicability of that empirical formulation was questionable, because it was obtained from the limited number of LES simulations. The second task we did was to derive a more fundamental analytical formulation relating vertical velocity variance to TKE using other information starting from basic physical principles. This was a somewhat challenging subject, but if this could be done in a successful way, it could be directly

  16. Inauguration LEP

    ScienceCinema

    None

    2016-07-12

    Le DG C.Rubbia remercie son prédécesseur H.Schopper pour sa contribution pour la réalisation du LEP. En présence du président de la Confédération Suisse, Mons. Délamuraz et du président français Mons.Mitterand plusieurs discours sont donnés et les délégations invités pour un déjeuner.

  17. Generation and characterization of electron bunches with ramped current profile at the FLASH facility

    SciTech Connect

    Piot, P.; Behrens, C.; Gerth, C.; Lemery, F.; Mihalcea, D.; Vogt, M.; /DESY

    2011-09-01

    We report on the successful generation of electron bunches with current prof les that have a quasi-linear dependency on the longitudinal coordinate. The technique relies on impressing nonlinear correlations in the longitudinal phase space using a linac operating at two frequencies (1.3 and 3.9 GHz) and a bunch compressor. Data taken for various accelerator settings demonstrate the versatility of the method. The produced bunches have parameters well matched to drive high-gradient accelerating field with enhanced transformer ratio in beam-driven accelerators based on sub-mm-sizes dielectric or plasma structures.

  18. Microsoft Word - 599-16june.docx

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    NURETH14-599 PROGRESS IN THE PREDICTION OF NON-UNITY PRANDTL-NUMBER TURBULENT FLOWS USING TransAT D. Lakehal, J. Panyasantisuk, D. Caviezel, M. Labois and C. Narayanan ASCOMP GmbH, Zurich, Switzerland lakehal@ascomp.ch; Lakehal@ascomp.ch Abstract We report LES results of the flow and convective heat transfer in a heated channel at a wall shear Reynolds number of Re  = 150 and 171. The results are compared with available DNS data for various Prandtl number fluids (Pr = 0.1-10). In order

  19. Coupling a Mesoscale Numerical Weather Prediction Model with Large-Eddy Simulation for Realistic Wind Plant Aerodynamics Simulations (Poster)

    SciTech Connect

    Draxl, C.; Churchfield, M.; Mirocha, J.; Lee, S.; Lundquist, J.; Michalakes, J.; Moriarty, P.; Purkayastha, A.; Sprague, M.; Vanderwende, B.

    2014-06-01

    Wind plant aerodynamics are influenced by a combination of microscale and mesoscale phenomena. Incorporating mesoscale atmospheric forcing (e.g., diurnal cycles and frontal passages) into wind plant simulations can lead to a more accurate representation of microscale flows, aerodynamics, and wind turbine/plant performance. Our goal is to couple a numerical weather prediction model that can represent mesoscale flow [specifically the Weather Research and Forecasting model] with a microscale LES model (OpenFOAM) that can predict microscale turbulence and wake losses.

  20. CFD validation in OECD/NEA t-junction benchmark.

    SciTech Connect

    Obabko, A. V.; Fischer, P. F.; Tautges, T. J.; Karabasov, S.; Goloviznin, V. M.; Zaytsev, M. A.; Chudanov, V. V.; Pervichko, V. A.; Aksenova, A. E.

    2011-08-23

    When streams of rapidly moving flow merge in a T-junction, the potential arises for large oscillations at the scale of the diameter, D, with a period scaling as O(D/U), where U is the characteristic flow velocity. If the streams are of different temperatures, the oscillations result in experimental fluctuations (thermal striping) at the pipe wall in the outlet branch that can accelerate thermal-mechanical fatigue and ultimately cause pipe failure. The importance of this phenomenon has prompted the nuclear energy modeling and simulation community to establish a benchmark to test the ability of computational fluid dynamics (CFD) codes to predict thermal striping. The benchmark is based on thermal and velocity data measured in an experiment designed specifically for this purpose. Thermal striping is intrinsically unsteady and hence not accessible to steady state simulation approaches such as steady state Reynolds-averaged Navier-Stokes (RANS) models.1 Consequently, one must consider either unsteady RANS or large eddy simulation (LES). This report compares the results for three LES codes: Nek5000, developed at Argonne National Laboratory (USA), and Cabaret and Conv3D, developed at the Moscow Institute of Nuclear Energy Safety at (IBRAE) in Russia. Nek5000 is based on the spectral element method (SEM), which is a high-order weighted residual technique that combines the geometric flexibility of the finite element method (FEM) with the tensor-product efficiencies of spectral methods. Cabaret is a 'compact accurately boundary-adjusting high-resolution technique' for fluid dynamics simulation. The method is second-order accurate on nonuniform grids in space and time, and has a small dispersion error and computational stencil defined within one space-time cell. The scheme is equipped with a conservative nonlinear correction procedure based on the maximum principle. CONV3D is based on the immersed boundary method and is validated on a wide set of the experimental and