Sample records for aerodynamic diameter pm

  1. Comparison of the Coulter Multisizer and Aerodynamic Particle Sizer for obtaining the aerodynamic particle size of irregularly shaped dust

    E-Print Network [OSTI]

    McClure, Joshua Wayne

    2002-01-01T23:59:59.000Z

    When studying air quality it is often necessary to measure the aerodynamic size distribution of particles. True aerodynamic diameter must be measured using a gravitational settling method, which is impractical. Other methods exist that use other...

  2. aerodynamics: Topics by E-print Network

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

    Aerodynamic Engineering Websites Summary: AIAA 96-0409 Automatic Aerodynamic Optimization on Distributed Memory Architectures Antony Jameson-0409 Automatic Aerodynamic...

  3. UPWIND, Aerodynamics and aero-elasticity Rotor aerodynamics in atmospheric shear flow

    E-Print Network [OSTI]

    wind turbines with rotor diameters in the order of 100 meters, the influence of upstream turbine wakes codes for wind turbines utilize aerodynamics based on BEM methods, see [1, 2]. For modern large scale. Sørensen Wind Energy Department, Risø National Laboratory & Department of Civil Engineering, Aalborg

  4. aiaa aerodynamic measurement: Topics by E-print Network

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

    Aerodynamic Engineering Websites Summary: AIAA 96-0409 Automatic Aerodynamic Optimization on Distributed Memory Architectures Antony Jameson-0409 Automatic Aerodynamic...

  5. aiaa applied aerodynamics: Topics by E-print Network

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

    Aerodynamic Engineering Websites Summary: AIAA 96-0409 Automatic Aerodynamic Optimization on Distributed Memory Architectures Antony Jameson-0409 Automatic Aerodynamic...

  6. Freight Wing Trailer Aerodynamics

    SciTech Connect (OSTI)

    Graham, Sean (Primary Investigator); Bigatel, Patrick

    2004-10-17T23:59:59.000Z

    Freight Wing Incorporated utilized the opportunity presented by this DOE category one Inventions and Innovations grant to successfully research, develop, test, patent, market, and sell innovative fuel and emissions saving aerodynamic attachments for the trucking industry. A great deal of past scientific research has demonstrated that streamlining box shaped semi-trailers can significantly reduce a truck's fuel consumption. However, significant design challenges have prevented past concepts from meeting industry needs. Market research early in this project revealed the demands of truck fleet operators regarding aerodynamic attachments. Products must not only save fuel, but cannot interfere with the operation of the truck, require significant maintenance, add significant weight, and must be extremely durable. Furthermore, SAE/TMC J1321 tests performed by a respected independent laboratory are necessary for large fleets to even consider purchase. Freight Wing used this information to create a system of three practical aerodynamic attachments for the front, rear and undercarriage of standard semi trailers. SAE/TMC J1321 Type II tests preformed by the Transportation Research Center (TRC) demonstrated a 7% improvement to fuel economy with all three products. If Freight Wing is successful in its continued efforts to gain market penetration, the energy and environmental savings would be considerable. Each truck outfitted saves approximately 1,100 gallons of fuel every 100,000 miles, which prevents over 12 tons of CO2 from entering the atmosphere. If all applicable trailers used the technology, the country could save approximately 1.8 billion gallons of diesel fuel, 18 million tons of emissions and 3.6 billion dollars annually.

  7. Integrated External Aerodynamic and Underhood Thermal Analysis...

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

    External Aerodynamic and Underhood Thermal Analysis for Heavy Vehicles Integrated External Aerodynamic and Underhood Thermal Analysis for Heavy Vehicles 2012 DOE Hydrogen and Fuel...

  8. Aeroelastic Analysis of Bridges: Effects of Turbulence and Aerodynamic Nonlinearities

    E-Print Network [OSTI]

    Kareem, Ahsan

    of bridges under turbulent winds. The nonlinear force model separates the aerodynamic force into low; Buffeting; Turbulence; Bridges; Wind forces; Aerodynamics. Introduction The aerodynamic performance under aerodynamic force model and associated time domain analysis framework for predicting the aeroelastic response

  9. CFD-based Optimization for Automotive Aerodynamics

    E-Print Network [OSTI]

    Dumas, Laurent

    Chapter 1 CFD-based Optimization for Automotive Aerodynamics Laurent Dumas Abstract The car drag- ments. An overview of the main characteristics of automotive aerodynamics and a detailed presentation.dumas@upmc.fr) 1 #12;2 Laurent Dumas 1.1 Introducing Automotive Aerodynamics 1.1.1 A Major Concern for Car

  10. AIAA 20030185 Aerodynamically Controlled Expansion

    E-Print Network [OSTI]

    Texas at Arlington, University of

    undesirable over-expansion in generalized supersonic nozzle flows. Nomenclature A cross-sectional area fgAIAA 2003­0185 Aerodynamically Controlled Expansion Nozzle for STOVL Aircraft D.A. Terrier Lockheed Controlled Expansion Nozzle for STOVL Aircraft Douglas A. Terrier* Lockheed Martin Aeronautics Company, Fort

  11. Aerodynamic size associations of natural radioactivity with ambient aerosols

    SciTech Connect (OSTI)

    Bondietti, E.A.; Papastefanou, C.; Rangarajan, C.

    1986-04-01T23:59:59.000Z

    The aerodynamic size of /sup 214/Pb, /sup 212/Pb, /sup 210/Pb, /sup 7/Be, /sup 32/P, /sup 35/S (as SO/sub 4//sup 2 -/), and stable SO/sub 4//sup 2 -/ was measured using cascade impactors. The activity distribution of /sup 212/Pb and /sup 214/Pb, measured by alpha spectroscopy, was largely associated with aerosols smaller than 0.52 ..mu..m. Based on 46 measurements, the activity median aerodynamic diameter of /sup 212/Pb averaged 0.13 ..mu..m (sigma/sub g/ = 2.97), while /sup 214/Pb averaged 0.16 ..mu..m (sigma/sub g/ = 2.86). The larger median size of /sup 214/Pb was attributed to ..cap alpha..-recoil depletion of smaller aerosols following decay of aerosol-associated /sup 218/Po. Subsequent /sup 214/Pb condensation on all aerosols effectively enriches larger aerosols. /sup 212/Pb does not undergo this recoil-driven redistribution. Low-pressure impactor measurements indicated that the mass median aerodynamic diameter of SO/sub 4//sup 2 -/ was about three times larger than the activity median diameter /sup 212/Pb, reflecting differences in atmospheric residence times as well as the differences in surface area and volume distributions of the atmospheric aerosol. Cosmogenic radionuclides, especially /sup 7/Be, were associated with smaller aerosols than SO/sub 4//sup 2 -/ regardless of season, while /sup 210/Pb distributions in summer measurements were similar to sulfate but smaller in winter measurements. Even considering recoil following /sup 214/Po ..cap alpha..-decay, the avervage /sup 210/Pb labeled aerosol grows by about a factor of two during its atmospheric lifetime. The presence of 5 to 10% of the /sup 7/Be on aerosols greater than 1 ..mu..m was indicative of post-condensation growth, probably either in the upper atmosphere or after mixing into the boundary layer.

  12. aerodynamic blade optimisation: Topics by E-print Network

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

    The aerodynamic performance of an existing wind turbine blade optimised for low wind speed conditions (more) Pierce, Warrick Taite 2009-01-01 4 Aerodynamic optimisation of a...

  13. aerodynamic features vehicle body components: Topics by E-print...

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

    is a considerable body of information available Kreinovich, Vladik 2 Aerodynamic optimization of a solar powered race vehicle MIT - DSpace Summary: Aerodynamic optimization was...

  14. Computational Aerodynamics and Aeroacoustics for Wind Turbines

    E-Print Network [OSTI]

    wind turbine flows. A few papers deal with applications of Blade Element Momentum (BEM) theory to wind, the BEM technique is employed by industry when designing new wind turbine blades. However, in orderComputational Aerodynamics and Aeroacoustics for Wind Turbines #12;#12;Computational Aerodynamics

  15. Anisotropic Grid Adaptation for Multiple Aerodynamic Outputs

    E-Print Network [OSTI]

    Venditti, David A.

    Anisotropic grid–adaptive strategies are presented for viscous flow simulations in which the accurate prediction of multiple aerodynamic outputs (such as the lift, drag, and moment coefficients) is required from a single ...

  16. Performance characteristics of PM??? samplers in the presence of agricultural dusts

    E-Print Network [OSTI]

    Pargmann, Amber Rae

    2001-01-01T23:59:59.000Z

    , these samplers are not tested in the presence of agriculture dusts, which have a larger mass median diameter (MMD) than urban dusts. This research addressed the performance characteristics of PM??? samplers in the presence of agricultural dusts. Tests in a...

  17. aerodynamic measurement technology: Topics by E-print Network

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

    aerodynamic measurement technology First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Aerodynamic...

  18. Optimizing the aerodynamic efficiency of intermodal freight trains

    E-Print Network [OSTI]

    Barkan, Christopher P.L.

    and energy efficiency of railroad intermodal trains. Several recommendations regarding railway equipment use efficiency; Aerodynamics; Fuel use; Railroad intermodal transportation; Loading assignment; Urban freight 1 practices on train make-up and energy efficiency. They found that aerodynamic characteristics significantly

  19. aerodynamic decelerator systems: Topics by E-print Network

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

    Gensen 1987-01-01 9 Tracking an Aerodynamic Model in a Wind Tunnel with a Stereo High-speed Imaging System Engineering Websites Summary: Tracking an Aerodynamic Model in a Wind...

  20. Ris-R-1543(EN) Aerodynamic investigation of Winglets on

    E-Print Network [OSTI]

    Risø-R-1543(EN) Aerodynamic investigation of Winglets on Wind Turbine Blades using CFD Jeppe Johansen and Niels N. Sørensen Title: Aerodynamic investigation of Winglets on Wind Turbine Blades using of the aerodynamics around a wind turbine blade with a winglet using Computational Fluid Dynamics, CFD. Five winglets

  1. Computerized method and system for designing an aerodynamic focusing lens stack

    DOE Patents [OSTI]

    Gard, Eric (San Francisco, CA); Riot, Vincent (Oakland, CA); Coffee, Keith (Diablo Grande, CA); Woods, Bruce (Livermore, CA); Tobias, Herbert (Kensington, CA); Birch, Jim (Albany, CA); Weisgraber, Todd (Brentwood, CA)

    2011-11-22T23:59:59.000Z

    A computerized method and system for designing an aerodynamic focusing lens stack, using input from a designer related to, for example, particle size range to be considered, characteristics of the gas to be flowed through the system, the upstream temperature and pressure at the top of a first focusing lens, the flow rate through the aerodynamic focusing lens stack equivalent at atmosphere pressure; and a Stokes number range. Based on the design parameters, the method and system determines the total number of focusing lenses and their respective orifice diameters required to focus the particle size range to be considered, by first calculating for the orifice diameter of the first focusing lens in the Stokes formula, and then using that value to determine, in iterative fashion, intermediate flow values which are themselves used to determine the orifice diameters of each succeeding focusing lens in the stack design, with the results being output to a designer. In addition, the Reynolds numbers associated with each focusing lens as well as exit nozzle size may also be determined to enhance the stack design.

  2. Modelling and Simulation in Aerodynamic Design

    E-Print Network [OSTI]

    Mosegaard, Klaus

    when it breaks loose from the gear of a wind generator. A common feature of such simulations turbine blade, two design features are important. The aerodynamic design attempts to optimize the blade could si- mulate the bending of the wing under operating con- ditions during one rotation

  3. Anisotropic Grid Adaptation for Multiple Aerodynamic Outputs

    E-Print Network [OSTI]

    Peraire, Jaime

    Anisotropic Grid Adaptation for Multiple Aerodynamic Outputs David A. Venditti and David L Anisotropic grid­adaptive strategies are presented for viscous flow simulations in which the accurate estimation and Hessian-based anisotropic grid adaptation. Airfoil test cases are presented to demonstrate

  4. Device for reducing vehicle aerodynamic resistance

    DOE Patents [OSTI]

    Graham, Sean C.

    2006-08-22T23:59:59.000Z

    A device for reducing vehicle aerodynamic resistance for vehicles having a generally rectangular body disposed above rear wheels, comprising a plurality of load bearing struts attached to the bottom of the rectangular body adjacent its sides, a plurality of opposing flat sheets attached to the load bearing struts, and angled flaps attached to the lower edge of the opposing sheets defining an obtuse angle with the opposing flat sheets extending inwardly with respect to the sides of the rectangular body to a predetermined height above the ground, which, stiffen the opposing flat sheets, bend to resist damage when struck by the ground, and guide airflow around the rear wheels of the vehicle to reduce its aerodynamic resistance when moving.

  5. Device for reducing vehicle aerodynamic resistance

    DOE Patents [OSTI]

    Graham, Sean C.

    2006-03-07T23:59:59.000Z

    A device for reducing vehicle aerodynamic resistance for vehicles having a generally rectangular flat front face comprising a plurality of load bearing struts of a predetermined size attached to the flat front face adjacent the sides and top thereof, a pair of pliable opposing flat sheets having an outside edge portion attached to the flat front face adjacent the sides thereof and an upper edge with a predetermined curve; the opposing flat sheets being bent and attached to the struts to form effective curved airfoil shapes, and a top pliable flat sheet disposed adjacent the top of the flat front face and having predetermined curved side edges, which, when the top sheet is bent and attached to the struts to form an effective curved airfoil shape, mate with the curved upper edges of the opposing sheets to complete the aerodynamic device.

  6. Device for reducing vehicle aerodynamic resistance

    DOE Patents [OSTI]

    Graham, Sean C.

    2005-02-15T23:59:59.000Z

    A device for a vehicle with a pair of swinging rear doors, which converts flat sheets of pliable material hinged to the sides of the vehicle adjacent the rear thereof into effective curved airfoils that reduce the aerodynamic resistance of the vehicle, when the doors are closed by hand, utilizing a plurality of stiffeners disposed generally parallel to the doors and affixed to the sheets and a plurality of collapsible tension bearings struts attached to each stiffener and the adjacent door.

  7. Inequality design limits in optimal aerodynamic shapes

    E-Print Network [OSTI]

    Seaman, Charles Knight

    1968-01-01T23:59:59.000Z

    ACKNOWLEDGMENTS I would like to thank Mr. Stan Lowy for his assistance. ABSTRACT The investigation is concerned with ways of including design con- straints in the problem of optimum aerodynamic shapes. Inequality constraints are examined in the report as one... means of describing design limits in the optimization problem. The use of inequality con- straints to consider design limits in a variational solution is illustrated with an example problem. In the example problem, the admissable profiles for a...

  8. Growth of nanostructures with controlled diameter

    DOE Patents [OSTI]

    Pfefferle, Lisa; Haller, Gary; Ciuparu, Dragos

    2009-02-03T23:59:59.000Z

    Transition metal-substituted MCM-41 framework structures with a high degree of structural order and a narrow pore diameter distribution were reproducibly synthesized by a hydrothermal method using a surfactant and an anti-foaming agent. The pore size and the mesoporous volume depend linearly on the surfactant chain length. The transition metals, such as cobalt, are incorporated substitutionally and highly dispersed in the silica framework. Single wall carbon nanotubes with a narrow diameter distribution that correlates with the pore diameter of the catalytic framework structure were prepared by a Boudouard reaction. Nanostructures with a specified diameter or cross-sectional area can therefore be predictably prepared by selecting a suitable pore size of the framework structure.

  9. Precision wire feeder for small diameter wire

    DOE Patents [OSTI]

    Brandon, E.D.; Hooper, F.M.; Reichenbach, M.L.

    1992-08-11T23:59:59.000Z

    A device for feeding small diameter wire having a diameter less than 0.04 mm (16 mil) to a welding station includes a driving wheel for controllably applying a non-deforming driving force to the wire to move the free end of the wire towards the welding station; and a tension device such as a torque motor for constantly applying a reverse force to the wire in opposition to the driving force to keep the wire taut. 1 figure.

  10. Precision wire feeder for small diameter wire

    DOE Patents [OSTI]

    Brandon, Eldon D. (Albuquerque, NM); Hooper, Frederick M. (Albuquerque, NM); Reichenbach, Marvin L. (Albuquerque, NM)

    1992-01-01T23:59:59.000Z

    A device for feeding small diameter wire having a diameter less than 0.04 mm (16 mil) to a welding station includes a driving wheel for controllably applying a non-deforming driving force to the wire to move the free end of the wire towards the welding station; and a tension device such as a torque motor for constantly applying a reverse force to the wire in opposition to the driving force to keep the wire taut.

  11. aerodynamic noise generated: Topics by E-print Network

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

    the capabilities of a new transonic, two-dimensional design method, based Giles, Mike 322 GAs for aerodynamic shape design II: multiobjective optimization and multi-criteria design...

  12. aerodynamic surface quantities: Topics by E-print Network

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

    aircraft (also transportation for intrathe- ater missions. Wind tunnel tests on high-lift configura- tions have been conducted Xu, Kun 20 Title: Aerodynamic and Scalar Roughness...

  13. aerodynamic noise: Topics by E-print Network

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

    various vane Papamoschou, Dimitri 8 Aerodynamic investigations of noise-reducing high-lift systems for passenger transport aircraft. Open Access Theses and Dissertations Summary:...

  14. aerodynamic side loads: Topics by E-print Network

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

    S. G.; Martin, V.; Falk, M. A. 2004-01-01 290 Parametric Reduced-Order Models for Probabilistic Analysis of Unsteady Aerodynamic Applications Engineering Websites Summary:...

  15. aerodynamic shape design: Topics by E-print Network

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

    MASTER OF SCIENCE May 1968... Seaman, Charles Knight 2012-06-07 2 Numerical Shape Optimization of Airfoils With Practical Aerodynamic Design Requirements. Open Access Theses and...

  16. advanced aerodynamic devices: Topics by E-print Network

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

    power line icing and wind turbine icing Hu, Hui 2 Advances in Aerodynamic Shape Optimization Antony Jameson1 Engineering Websites Summary: implicitly via a second order...

  17. aerodynamic response approximation: Topics by E-print Network

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

    Page Topic Index 1 Managing Approximate Models in Evolutionary Aerodynamic Design Optimization Computer Technologies and Information Sciences Websites Summary: algorithm to a...

  18. aerodynamic control preprint: Topics by E-print Network

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

    of 2 Aerodynamic design via control theory CiteSeer Summary: wing design; optimization. flow; inverse I. INTRODUCTION AND HISTORICAL SURVEY Computers have had a twofold...

  19. Aerodynamic Focusing Of High-Density Aerosols

    SciTech Connect (OSTI)

    Ruiz, D. E.; Fisch, Nathaniel

    2014-02-24T23:59:59.000Z

    High-density micron-sized particle aerosols might form the basis for a number of applications in which a material target with a particular shape might be quickly ionized to form a cylindrical or sheet shaped plasma. A simple experimental device was built in order to study the properties of high-density aerosol focusing for 1#22; m silica spheres. Preliminary results recover previous findings on aerodynamic focusing at low densities. At higher densities, it is demonstrated that the focusing properties change in a way which is consistent with a density dependent Stokes number.

  20. Fabrication of 10nm diameter carbon nanopores

    SciTech Connect (OSTI)

    Radenovic, Aleksandra; Trepagnier, Eliane; Csencsits, Roseann; Downing, Kenneth H; Liphardt, Jan

    2008-09-25T23:59:59.000Z

    The addition of carbon to samples, during imaging, presents a barrier to accurate TEM analysis, the controlled deposition of hydrocarbons by a focused electron beam can be a useful technique for local nanometer-scale sculpting of material. Here we use hydrocarbon deposition to form nanopores from larger focused ion beam (FIB) holes in silicon nitride membranes. Using this method, we close 100-200nm diameter holes to diameters of 10nm and below, with deposition rates of 0.6nm per minute. I-V characteristics of electrolytic flow through these nanopores agree quantitatively with a one dimensional model at all examined salt concentrations.

  1. Wind Turbine Blade Flow Fields and Prospects for Active Aerodynamic Control: Preprint

    SciTech Connect (OSTI)

    Schreck, S.; Robinson, M.

    2007-08-01T23:59:59.000Z

    This paper describes wind turbine flow fields that can cause adverse aerodynamic loading and can impact active aerodynamic control methodologies currently contemplated for wind turbine applications.

  2. E-Print Network 3.0 - aerodynamic stability Sample Search Results

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

    Aerodynamics... Measurements of Air Quality Gas Dynamics High-Speed Aerodynamics and Heat Transfer Kinetic Theory-Based CFD... Professors 3 Non-tenuredNon-tenure Track 6...

  3. Hybrid method for aerodynamic shape optimization in automotive industry

    E-Print Network [OSTI]

    Dumas, Laurent

    Hybrid method for aerodynamic shape optimization in automotive industry Freedeerique Muyl April 2003; accepted 4 June 2003 Abstract An aerodynamic shape optimization tool for complex industrial precisely the reduction of their drag coefficient, becomes one of the main topics of the automotive research

  4. aerodynamic design optimization: Topics by E-print Network

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

    aerodynamic design optimization First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Aerodynamic design...

  5. aerodynamic shape optimization: Topics by E-print Network

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

    aerodynamic shape optimization First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 AIAA 982538 Aerodynamic...

  6. Small diameter, deep bore optical inspection system

    DOE Patents [OSTI]

    Lord, David E. (Livermore, CA); Petrini, Richard R. (Livermore, CA); Carter, Gary W. (Livermore, CA)

    1981-01-01T23:59:59.000Z

    An improved rod optic system for inspecting small diameter, deep bores. The system consists of a rod optic system utilizing a curved mirror at the end of the rod lens such that the optical path through the system is bent 90.degree. to minimize optical distortion in examining the sides of a curved bore. The system is particularly useful in the examination of small bores for corrosion, and is capable of examining 1/16 inch diameter and up to 4 inch deep drill holes, for example. The positioning of the curved mirror allows simultaneous viewing from shallow and right angle points of observation of the same artifact (such as corrosion) in the bore hole. The improved rod optic system may be used for direct eye sighting, or in combination with a still camera or a low-light television monitor; particularly low-light color television.

  7. Methods of reducing vehicle aerodynamic drag

    SciTech Connect (OSTI)

    Sirenko V.; Rohatgi U.

    2012-07-08T23:59:59.000Z

    A small scale model (length 1710 mm) of General Motor SUV was built and tested in the wind tunnel for expected wind conditions and road clearance. Two passive devices, rear screen which is plate behind the car and rear fairing where the end of the car is aerodynamically extended, were incorporated in the model and tested in the wind tunnel for different wind conditions. The conclusion is that rear screen could reduce drag up to 6.5% and rear fairing can reduce the drag by 26%. There were additional tests for front edging and rear vortex generators. The results for drag reduction were mixed. It should be noted that there are aesthetic and practical considerations that may allow only partial implementation of these or any drag reduction options.

  8. SUNDAY -1PM -7PM ASBURY PARK, NJ01

    E-Print Network [OSTI]

    by the Graduate School. THURSDAY - 6PM - 7:30PM CLEVELAND TOWER AT OLD GC05 SAND VOLLEYBALL AND COOL SUMMER TREATS participant, but only while supplies last--first-come, first-served. We'll gather on the Palmer Square Green

  9. Charged Higgs Search via $AW^\\pm/HW^\\pm$ Channel

    E-Print Network [OSTI]

    Baradhwaj Coleppa; Felix Kling; Shufang Su

    2014-08-18T23:59:59.000Z

    Models of electroweak symmetry breaking with extended Higgs sectors are theoretically well motivated. In this study, we focus on models with a low energy spectrum containing a pair of charged scalars $H^\\pm$, as well as a light scalar H and/or a pseudoscalar A. We study the $H^\\pm tb$ associated production with $H^\\pm \\to AW/HW$, which could reach sizable branching fractions in certain parameter regions. With detailed collider analysis, we obtain the exclusion bounds as well as discovery reach at the 14 TeV LHC for the process $pp \\to H^\\pm tb \\to AWtb/HWtb \\to \\tau\\tau bbWW, bbbbWW$. We find that for a daughter particle mass of 50 GeV, the 95% C.L. exclusion reach in $\\sigma$xBR varies from about 70 fb to 25 fb, for $m_{H^\\pm}$ ranging from 150 GeV to 500 GeV with 300 fb$^{-1}$ integrated luminosity in the $\\tau\\tau$ mode. We further interpret these bounds in the context of Type II Two Higgs Doublet Model. We find that large regions of parameter space in $\\tan\\beta$ versus $\\sin(\\beta-\\alpha)$ can be covered when the daughter Higgs mass is relatively light, in particular, for small and large $\\tan\\beta$. The exclusion region in the $m_{H^\\pm}-\\tan\\beta$ plane can be extended to $m_{H^\\pm}=$ 600 GeV, while discovery is possible for $m_{H^\\pm}\\lesssim$ 280 GeV with 300 fb$^{-1}$ integrated luminosity. The exotic decay mode $H^\\pm \\to AW/HW$ offers a complementary channel to the conventional mode $H^\\pm \\to \\tau\

  10. Variable diameter wind turbine rotor blades

    DOE Patents [OSTI]

    Jamieson, Peter McKeich; Hornzee-Jones, Chris; Moroz, Emilian M.; Blakemore, Ralph W.

    2005-12-06T23:59:59.000Z

    A system and method for changing wind turbine rotor diameters to meet changing wind speeds and control system loads is disclosed. The rotor blades on the wind turbine are able to adjust length by extensions nested within or containing the base blade. The blades can have more than one extension in a variety of configurations. A cable winching system, a hydraulic system, a pneumatic system, inflatable or elastic extensions, and a spring-loaded jack knife deployment are some of the methods of adjustment. The extension is also protected from lightning by a grounding system.

  11. Active Aerodynamic Blade Distributed Flap Control Design Procedure

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

    Active Aerodynamic Blade Distributed Flap Control Design Procedure for Load Reduction on the UpWind 5MW Wind Turbine David G. Wilson , Brian R. Resor , Dale E. Berg ...

  12. Aerodynamic optimization of a solar powered race vehicle

    E-Print Network [OSTI]

    Augenbergs, Peteris K

    2006-01-01T23:59:59.000Z

    Aerodynamic optimization was performed on Tesseract, the MIT Solar Electric Vehicle Team's 2003-2005 solar car using Wind Tunnel 8 at Jacobs/Sverdrup Drivability Test Facility in Allen Park, MI. These tests include angle ...

  13. Aerodynamic performance measurements in a counter-rotating aspirated compressor

    E-Print Network [OSTI]

    Onnée, Jean-François

    2005-01-01T23:59:59.000Z

    This thesis is an experimental investigation of the aerodynamic performances of a counter-rotating aspirated compressor. This compressor is implemented in a blow-down facility, which gives rigorous simulation of the ...

  14. aerodynamic design features: Topics by E-print Network

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

    16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Aerodynamic design optimization using flow feature parameterization. Open Access Theses and Dissertations Summary:...

  15. airfoil aerodynamic performance: Topics by E-print Network

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

    18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Adjoint based aerodynamic optimization of supersonic biplane airfoils Engineering Websites Summary: demonstrates very good...

  16. 5:00pm-7:00pm 7:00am-5:00pm

    E-Print Network [OSTI]

    Florida, University of

    :00am Methods for Incorporating Ecosystem Services into Planning and Decision-Making All-Day Workshop 1:00pm-2:30pm Continued : Methods for Incorporating Ecosystem Services into Planning and Decision University, National Ecosystem Services Partnership Joseph Nicolette, ENVIRON International Corp. Leah Harris

  17. DOE Project on Heavy Vehicle Aerodynamic Drag

    SciTech Connect (OSTI)

    McCallen, R; Salari, K; Ortega, J; Castellucci, P; Pointer, D; Browand, F; Ross, J; Storms, B

    2007-01-04T23:59:59.000Z

    Class 8 tractor-trailers consume 11-12% of the total US petroleum use. At highway speeds, 65% of the energy expenditure for a Class 8 truck is in overcoming aerodynamic drag. The project objective is to improve fuel economy of Class 8 tractor-trailers by providing guidance on methods of reducing drag by at least 25%. A 25% reduction in drag would present a 12% improvement in fuel economy at highway speeds, equivalent to about 130 midsize tanker ships per year. Specific goals include: (1) Provide guidance to industry in the reduction of aerodynamic drag of heavy truck vehicles; (2) Develop innovative drag reducing concepts that are operationally and economically sound; and (3) Establish a database of experimental, computational, and conceptual design information, and demonstrate the potential of new drag-reduction devices. The studies described herein provide a demonstration of the applicability of the experience developed in the analysis of the standard configuration of the Generic Conventional Model. The modeling practices and procedures developed in prior efforts have been applied directly to the assessment of new configurations including a variety of geometric modifications and add-on devices. Application to the low-drag 'GTS' configuration of the GCM has confirmed that the error in predicted drag coefficients increases as the relative contribution of the base drag resulting from the vehicle wake to the total drag increases and it is recommended that more advanced turbulence modeling strategies be applied under those circumstances. Application to a commercially-developed boat tail device has confirmed that this restriction does not apply to geometries where the relative contribution of the base drag to the total drag is reduced by modifying the geometry in that region. Application to a modified GCM geometry with an open grille and radiator has confirmed that the underbody flow, while important for underhood cooling, has little impact on the drag coefficient of the vehicle. Furthermore, the evaluation of the impact of small changes in radiator or grille dimensions has revealed that the total drag is not particularly sensitive to those changes. This observation leads to two significant conclusions. First, a small increase in radiator size to accommodate heat rejection needs related to new emissions restrictions may be tolerated without significant increases in drag losses. Second, efforts to reduce drag on the tractor requires that the design of the entire tractor be treated in an integrated fashion. Simply reducing the size of the grille will not provide the desired result, but the additional contouring of the vehicle as a whole which may be enabled by the smaller radiator could have a more significant effect.

  18. Inertial and Aerodynamic Tail Steering of a Meso-scale Legged Robot

    E-Print Network [OSTI]

    Kohut, Nicholas Jospeh

    2013-01-01T23:59:59.000Z

    Aerodynamic Force Modeling and Wind Tunnel Measurements 3.5Aerodynamic Force Modeling and Wind Tunnel Measurements Thesail, v is the wind speed, and F is the force on the sail.

  19. Product design and development of an aerodynamic hydration system for bicycling and triathlon

    E-Print Network [OSTI]

    Cote, Mark (Mark Brian)

    2007-01-01T23:59:59.000Z

    Proper hydration and aerodynamic performance are both essential needs of a competitive cyclist or triathlete. Several aerodynamic systems have been developed for use on bicycles but few have been designed to be truly ...

  20. Investigation of aerodynamic braking devices for wind turbine applications

    SciTech Connect (OSTI)

    Griffin, D.A. [R. Lynette & Associates, Seattle, WA (United States)

    1997-04-01T23:59:59.000Z

    This report documents the selection and preliminary design of a new aerodynamic braking system for use on the stall-regulated AWT-26/27 wind turbines. The goal was to identify and design a configuration that offered improvements over the existing tip brake used by Advanced Wind Turbines, Inc. (AWT). Although the design objectives and approach of this report are specific to aerodynamic braking of AWT-26/27 turbines, many of the issues addressed in this work are applicable to a wider class of turbines. The performance trends and design choices presented in this report should be of general use to wind turbine designers who are considering alternative aerodynamic braking methods. A literature search was combined with preliminary work on device sizing, loads and mechanical design. Candidate configurations were assessed on their potential for benefits in the areas of cost, weight, aerodynamic noise, reliability and performance under icing conditions. As a result, two configurations were identified for further study: the {open_quotes}spoiler-flap{close_quotes} and the {open_quotes}flip-tip.{close_quotes} Wind tunnel experiments were conducted at Wichita State University to evaluate the performance of the candidate aerodynamic brakes on an airfoil section representative of the AWT-26/27 blades. The wind tunnel data were used to predict the braking effectiveness and deployment characteristics of the candidate devices for a wide range of design parameters. The evaluation was iterative, with mechanical design and structural analysis being conducted in parallel with the braking performance studies. The preliminary estimate of the spoiler-flap system cost was $150 less than the production AWT-26/27 tip vanes. This represents a reduction of approximately 5 % in the cost of the aerodynamic braking system. In view of the preliminary nature of the design, it would be prudent to plan for contingencies in both cost and weight.

  1. Search for $?^{\\pm\\pm}$ with new decay patterns at the LHC

    E-Print Network [OSTI]

    Chuan-Hung Chen; Takaaki Nomura

    2015-03-02T23:59:59.000Z

    A study of searching for doubly charged Higgs $(\\delta^{\\pm \\pm})$ is performed in two-Higgs-doublet extension of the conventional type-II seesaw model. We find that a fantastic mixing effect between singly charged Higgs of Higgs doublet and of triplet is arisen from the scalar potential. The mixing leads to following intriguing phenomena: (a) the mass splittings in triplet particles are magnified, (b) QCD processes dominate the production of $\\delta^{\\pm \\pm}$, and (c) new predominant decay channels of $\\delta^{\\pm \\pm}$ are $\\delta^{\\pm \\pm} \\to W^{\\pm^{[*]}} H^{\\pm^{(*)}}_{1(2)}$, but not $\\delta^{\\pm} \\to (\\ell^\\pm \\ell^\\pm, W^\\pm W^\\pm)$ which are usually discussed in the literature. With luminosity of 40 fb$^{-1}$ and collision energy of 13 TeV, we demonstrate that $\\delta^{\\pm \\pm}$ with mass below $330$ GeV could be observed at the $5\\sigma$ level. Moreover, when the luminosity approaches to 300 fb$^{-1}$, the observed mass of $\\delta^{\\pm \\pm}$ could reach up to 450 GeV.

  2. Reentry aerodynamic disruption analysis of thermionic reactor-thermo-converter TOPAZ-2

    SciTech Connect (OSTI)

    Grinberg, E.I.; Nikolaev, V.S. (Scientific Production Association Krasnaya Zvezda'', Moscow 115230 (Russian Federation)); Usov, V.A. (RRC Kurchatov Institute'', Moscow 123182 (Russian Federation)); Gafarov, A.A. (Research Institute of Thermal Processes, Moscow (Russian Federation))

    1993-01-15T23:59:59.000Z

    This paper presents preliminary results of analysis for the TOPAZ-2 thermionic converter-reactor aerodynamic disruption during reentry.

  3. E-Print Network 3.0 - aerodynamic characteristics research Sample...

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

    117692007 Summary: Evaluating parameterizations of aerodynamic resistance to heat transfer using field measurements Shaomin Liu1... , Beijing Normal University, China...

  4. Air pollution and daily mortality in the Coachella Valley, California: A study of PM10 dominated by coarse particles

    SciTech Connect (OSTI)

    Ostro, B.D.; Hurley, S.; Lipsett, M.J.

    1999-10-01T23:59:59.000Z

    Many epidemiological studies provide evidence of an association between airborne particles, measured as PM10 (particulate matter less than 10{micro}m in diameter), and daily morbidity and mortality. Most of these studies have been conducted in urban areas where PM10 consists primarily of fine particles (<2.5 {micro}m in diameter). Few studies have investigated impacts associated with coarse mode particles (>2.5 {micro}m in diameter). The authors investigated associations between PM10 and daily mortality in the Coachella Valley, a desert resort and retirement area east of Los Angeles, where coarse particles of geologic origin typically comprise approximately 50--60% of PM10 and can exceed 90% during wind events. Their analysis utilized daily data on mortality from 1989 through 1992 as well as several pollutant and meteorological variables, including PM10, nitrates, sulfates, ozone, nitrogen dioxide, carbon monoxide, temperature, and relative humidity. Outcome variables included several measures of daily mortality, including all-cause, cardiovascular and respiratory mortality, and counts of deaths for those above age 50. Multivariate Poisson regression models were used to explain these health endpoints, controlling for temperature, humidity, day of the week, season, and time, using locally weighted smoothing techniques. The analysis indicated statistically significant associations between PM10 and each measure of mortality.

  5. 4:45 PM to 5:00 PM Walk to Zolo Grill from Golden Buff Lodge office with Melanie Russ 5:00 PM to 7:00 PM Reception at Zolo Grill

    E-Print Network [OSTI]

    :00 PM to 1:30 PM Lunch 1:30 PM to 2:45 PM Jeff Whitaker and Tom Hamill - Ensemble Initialization:15 PM Break 3:15 PM to 4:00 PM Graeme Stephens - Remote sensing of clouds, precipitation and aerosol

  6. Plasma Aerodynamic Control Effectors for Improved Wind Turbine Performance

    SciTech Connect (OSTI)

    Mehul P. Patel; Srikanth Vasudevan; Robert C. Nelson; Thomas C. Corke

    2008-08-01T23:59:59.000Z

    Orbital Research Inc is developing an innovative Plasma Aerodynamic Control Effectors (PACE) technology for improved performance of wind turbines. The PACE system is aimed towards the design of "smart" rotor blades to enhance energy capture and reduce aerodynamic loading and noise using flow-control. The PACE system will provide ability to change aerodynamic loads and pitch distribution across the wind turbine blade without any moving surfaces. Additional benefits of the PACE system include reduced blade structure weight and complexity that should translate into a substantially reduced initial cost. During the Phase I program, the ORI-UND Team demonstrated (proof-of-concept) performance improvements on select rotor blade designs using PACE concepts. Control of both 2-D and 3-D flows were demonstrated. An analytical study was conducted to estimate control requirements for the PACE system to maintain control during wind gusts. Finally, independent laboratory experiments were conducted to identify promising dielectric materials for the plasma actuator, and to examine environmental effects (water and dust) on the plasma actuator operation. The proposed PACE system will be capable of capturing additional energy, and reducing aerodynamic loading and noise on wind turbines. Supplementary benefits from the PACE system include reduced blade structure weight and complexity that translates into reduced initial capital costs.

  7. aerodynamic test facilities: Topics by E-print Network

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

    aerodynamic test facilities First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Adapting to Limitations of...

  8. Aerodynamic Drag Reduction Apparatus For Wheeled Vehicles In Ground Effect

    DOE Patents [OSTI]

    Ortega, Jason M. (Pacifica, CA); Salari, Kambiz (Livermore, CA)

    2005-12-13T23:59:59.000Z

    An apparatus for reducing the aerodynamic drag of a wheeled vehicle in a flowstream, the vehicle having a vehicle body and a wheel assembly supporting the vehicle body. The apparatus includes a baffle assembly adapted to be positioned upstream of the wheel assembly for deflecting airflow away from the wheel assembly so as to reduce the incident pressure on the wheel assembly.

  9. AERODYNAMICS AND DESIGN FOR ULTRA-LOW REYNOLDS NUMBER FLIGHT

    E-Print Network [OSTI]

    Stanford University

    AERODYNAMICS AND DESIGN FOR ULTRA-LOW REYNOLDS NUMBER FLIGHT A DISSERTATION SUBMITTED at Reynolds numbers below 10,000, here termed ultra-low Reynolds numbers. The effects of airfoil geometry at ultra-low Reynolds numbers. To further explore this design space, the flow solver has been coupled

  10. Aerodynamic performance measurements of a film-cooled turbine stage

    E-Print Network [OSTI]

    Keogh, Rory (Rory Colm), 1968-

    2001-01-01T23:59:59.000Z

    The goal of this research is to measure the aerodynamic performance of a film-cooled turbine stage and to quantify the loss caused by film-cooling. A secondary goal of the research is to provide a detailed breakdown of the ...

  11. THE SYNTENIC DIAMETER OF THE SPACE OF NCHROMOSOME

    E-Print Network [OSTI]

    Kleinberg, Jon

    THE SYNTENIC DIAMETER OF THE SPACE OF N­CHROMOSOME GENOMES Jon Kleinberg David Liben similarity among genomes of di#erent species. For each of these measures, a natural but often di#cult problem is to determine the diameter of the space it defines: What is the maximum distance between any pair of genomes

  12. Inclusion of nonlinear aerodynamics in the FLAP code

    SciTech Connect (OSTI)

    Weber, T. (Solar Energy Research Inst., Golden, CO (USA)) [Solar Energy Research Inst., Golden, CO (USA)

    1989-11-01T23:59:59.000Z

    Horizontal axis wind turbines usually operate with significant portions of the blade in deep stall. This contradicts the assumption in the FLAP code that a linear relation exists between the angle of attack and the lift coefficient. The objective of this paper is to determine the importance of nonlinear aerodynamics in the prediction of loads. The FLAP code has been modified to include the nonlinear relationships between the lift and drag coefficients with the angle of attack. The modification affects the calculation of the induced velocities and the aerodynamic loads. This requires an iterative procedure to determine the induced velocities instead of a closed form solution. A more advanced tower interference model has also been added that accounts for both upwind and downwind tower effects. 7 refs., 14 figs.

  13. PM

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilAElectronic Input Options Gary L. Hirsch SNL 2001a,Summary; i-C C

  14. PM

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for RenewableSpeedingBiomass and4/26/11:Tel.: #001-408-927-2461;Innovation

  15. The Non-Homologous Nature of Solar Diameter Variations

    E-Print Network [OSTI]

    Sabatino Sofia; Sarbani Basu; Pierre Demarque; Linghuai Li; Gerard Thuillier

    2005-09-27T23:59:59.000Z

    We show in this paper that the changes of the solar diameter in response to variations of large scale magnetic fields and turbulence are not homologous. For the best current model, the variation at the photospheric level is over 1000 times larger than the variation at a depth of 5 Mm, which is about the level at which f-mode solar oscillations determine diameter variations. This model is supported by observations that indicate larger diameter changes for high degree f-modes than for low degree f-modes, since energy of the former are concentrated at shallower layers than the latter.

  16. SUSS PM 5 Analytic Probe

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's PossibleRadiation Protection245C Unlimited ReleaseWelcome ton n uSTEM-A SANCHEZSUSS PM 5 Analytic

  17. Eddy sensors for small diameter stainless steel tubes.

    SciTech Connect (OSTI)

    Skinner, Jack L.; Morales, Alfredo Martin; Grant, J. Brian; Korellis, Henry James; LaFord, Marianne Elizabeth; Van Blarigan, Benjamin; Andersen, Lisa E.

    2011-08-01T23:59:59.000Z

    The goal of this project was to develop non-destructive, minimally disruptive eddy sensors to inspect small diameter stainless steel metal tubes. Modifications to Sandia's Emphasis/EIGER code allowed for the modeling of eddy current bobbin sensors near or around 1/8-inch outer diameter stainless steel tubing. Modeling results indicated that an eddy sensor based on a single axial coil could effectively detect changes in the inner diameter of a stainless steel tubing. Based on the modeling results, sensor coils capable of detecting small changes in the inner diameter of a stainless steel tube were designed, built and tested. The observed sensor response agreed with the results of the modeling and with eddy sensor theory. A separate limited distribution SAND report is being issued demonstrating the application of this sensor.

  18. Pressure drop with surface boiling in small-diameter tubes

    E-Print Network [OSTI]

    Dr?mer, Thomas

    1964-01-01T23:59:59.000Z

    Pressure drop for water flowing in small-diameter tubes under isothermal, nonboiling, and surface-boiling conditions was investigated. Experimental results for local pressure gradient and heattransfer coefficients are ...

  19. airway diameter behavior: Topics by E-print Network

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

    of the interionic Boyer, Edmond 149 Affect of Viscosity and Droplet Diameter on water-in-oil (wo) Emulsions: An Experimental Study CiteSeer Summary: AbstractThe influence of...

  20. abdominal aortic diameter: Topics by E-print Network

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

    A. Diaferio; K. Dolag 2005-10-28 416 Affect of Viscosity and Droplet Diameter on water-in-oil (wo) Emulsions: An Experimental Study CiteSeer Summary: AbstractThe influence of...

  1. Diameter-bandwidth product limitation of isolated-object cloaking

    E-Print Network [OSTI]

    Joannopoulos, John D.

    We show that cloaking of isolated objects using transformation-based cloaks is subject to a diameter-bandwidth product limitation: as the size of the object increases, the bandwidth of good (small-cross-section) cloaking ...

  2. Gravitational lensing and the angular-diameter distance relation

    E-Print Network [OSTI]

    Fedja Hadrovic; James Binney

    1997-08-13T23:59:59.000Z

    We show that the usual relation between redshift and angular-diameter distance can be obtained by considering light from a source to be gravitationally lensed by material that lies in the telescope beam as it passes from source to observer through an otherwise empty universe. This derivation yields an equation for the dependence of angular diameter on redshift in an inhomogeneous universe. We use this equation to model the distribution of angular-diameter distance for redshift z=3 in a realistically clustered cosmology. The distribution is such that attempts to determine q_0 from angular-diameter distances will systematically underestimate q_0 by ~0.15, and large samples would be required to beat down the intrinsic dispersion in measured values of q_0.

  3. Libraries Monday-Thursday Friday Saturday Sunday Phone E-mail Accounting 7:30am -10:30pm 7:30am -5pm 9am -5pm * 12pm -8pm 740-5027 library@marshall.usc.edu

    E-Print Network [OSTI]

    Wang, Hai

    - 5pm 9am - 5pm * 12pm - 8pm 740-5027 library@marshall.usc.edu Architecture & Fine Arts 9am - 10pm 9ampm 740-8520 library@marshall.usc.edu Cinematic Arts 9am - 10pm 9am - 5pm 9am - 5 pm 12pm - 8pm 740 Period [Doheny and S&E] Study Days & Exam Period * USC Marshall School of Business Facilities

  4. E-Print Network 3.0 - aerodynamic localizer pal Sample Search...

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

    using field measurements Shaomin Liu1... . Parameterizations of aerodynamic resistance to heat and water transfer have a significant impact on the ac- curacy... that the diurnal...

  5. PHC Dining Room Closes at 2 p.m.

    E-Print Network [OSTI]

    Simons, Jack

    PHC Dining Room August 2- Closes at 2 p.m. August 4 ­ August 20 Breakfast 7 a.m.- 8:30 a.m. Lunch 11 a.m.- 1:30 p.m. Dinner 5 p.m. - 6:30 p.m. Saturday & Sunday Brunch 11 a.m. - 1 p.m. Dinner 5:30 p.m. - 6:30 p.m. Crimson Corner August 2- Closes at 2 p.m. August 4 ­ August 20 8 a.m.- 3 p.m. Saturday

  6. Aerodynamic Lightweight Cab Structure Components | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny: The Future of1 AAcceleratedDepartmentDepartment2AdvisoryAerodynamic Lightweight

  7. Method and apparatus for PM filter regeneration

    DOE Patents [OSTI]

    Opris, Cornelius N. (Peoria, IL); Verkiel, Maarten (Metamora, IL)

    2006-01-03T23:59:59.000Z

    A method and apparatus for initiating regeneration of a particulate matter (PM) filter in an exhaust system in an internal combustion engine. The method and apparatus includes determining a change in pressure of exhaust gases passing through the PM filter, and responsively varying an opening of an intake valve in fluid communication with a combustion chamber.

  8. Aerodynamic Focusing of High-Density Aerosols D.E. Ruiza,

    E-Print Network [OSTI]

    Aerodynamic Focusing of High-Density Aerosols D.E. Ruiza, , L. Gundersona , M.J. Haya , E. Merinob Abstract High-density micron-sized particle aerosols might form the basis for a number of applications-density aerosol focusing for 1µm silica spheres. Preliminary results recover previous findings on aerodynamic

  9. Aerodynamic focusing of high-density aerosols D.E. Ruiz a,n

    E-Print Network [OSTI]

    Aerodynamic focusing of high-density aerosols D.E. Ruiz a,n , L.M. Gunderson a , M.J. Hay a , E Accepted 24 May 2014 Available online 17 June 2014 Keywords: Aerodynamic lens High-density aerosol beam Inertial focusing Particle focusing a b s t r a c t High-density micron-sized particle aerosols might form

  10. Aerodynamic Shape Optimization of Airfoils in Ultra-Low Reynolds Number Flow using

    E-Print Network [OSTI]

    Stanford University

    Aerodynamic Shape Optimization of Airfoils in Ultra-Low Reynolds Number Flow using Simultaneous;Aerodynamic Shape Optimization of Airfoils in Ultra-Low Reynolds Number Flow using Simultaneous Pseudo Abstract. The paper presents numerical results of optimized airfoils at ultra-low Reynolds numbers

  11. Numerical Investigation of a Wind Turbine Rotor with an aerodynamically redesigned hub-region

    E-Print Network [OSTI]

    Numerical Investigation of a Wind Turbine Rotor with an aerodynamically redesigned hub-region J methods on a redesigned modern Mega-Watt sized wind turbine, where the new design includes an increase of the blade in the vicinity of the wind turbine nacelle, to obtain an aerodynamically more efficient rotor

  12. WIND-TUNNEL STUDY ON AERODYNAMIC PERFORMANCE OF SMALL VERTICAL-AXIS WIND TURBINES

    E-Print Network [OSTI]

    Leu, Tzong-Shyng "Jeremy"

    1 WIND-TUNNEL STUDY ON AERODYNAMIC PERFORMANCE OF SMALL VERTICAL-AXIS WIND TURBINES J. J. Miau*1 were carried out to study the aerodynamic performance of three vertical axis wind turbines (VAWTs. On the other hand, the characteristics of unsteady flow around the helical wind turbine were studied with a hot

  13. Wind turbine trailing-edge aerodynamic brake design

    SciTech Connect (OSTI)

    Quandt, G.

    1996-01-01T23:59:59.000Z

    This report describes the design of a centrifugally actuated aerodynamic-overspeed device for a horizontal-axis wind turbine. The device will meet the following criteria; (1) It will be effective for airfoil angles of attack 0{degrees} to 45{degrees}. (2) It will be stowed inside the blade profile prior to deployment. (3) It will be capable of offsetting the positive torque produced by the overall blade. (4) Hinge moments will be minimized to lower actuator loads and cost. (5) It will be evaluated as a potential power modulating active rotor-control system. A literature review of aerodynamic braking devices was conducted. Information from the literature review was used to conceptualize the most effective devices for subsequent testing and design. Wind-tunnel test data for several braking devices are presented in this report. Using the data for the most promising configuration, a preliminary design was developed for a MICON 65/13 wind turbine with Phoenix 7.9-m rotor blades.

  14. Engine Tests of an Active PM Filter Regeneration System

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

    1999 2001 2003 2005 2007 2009 2011 2013 PM Emissions (gbhp-hr) US EU Japan In US, PM emission limits reduced by a factor of 10 from 2000 to 2010. 2007 and beyond PM emission...

  15. The 5-megawatt power plant with 126 metre rotor diameter

    E-Print Network [OSTI]

    Firestone, Jeremy

    The 5-megawatt power plant with 126 metre rotor diameter #12;Design data Rated power 5,000kW Cut and most powerful wind turbines in the world. The 5M sets new standards for the economic viability similar to conventional power plants. This in turn puts high demands on the control and regulation system

  16. Absolute Calibration of a Large-diameter Light Source

    E-Print Network [OSTI]

    Brack, J T; Dorofeev, A; Gookin, B; Harton, J L; Petrov, Y; Rovero, A C

    2013-01-01T23:59:59.000Z

    A method of absolute calibration for large aperture optical systems is presented, using the example of the Pierre Auger Observatory fluorescence detectors. A 2.5 m diameter light source illuminated by an ultra--violet light emitting diode is calibrated with an overall uncertainty of 2.1 % at a wavelength of 365 nm.

  17. ORIGINAL PAPER Hydraulic properties and embolism in small-diameter

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    ORIGINAL PAPER Hydraulic properties and embolism in small-diameter roots of five temperate broad & Context It has been estimated that about half of a plant's total hydraulic resistance is located belowground, but it is not well known how temperate tree species differ in root hydraulic properties and how

  18. Viscosity, hard sphere diameter and interionic potential for liquid lead

    E-Print Network [OSTI]

    Boyer, Edmond

    L-347 Viscosity, hard sphere diameter and interionic potential for liquid lead G. Chaussemy The Macedo-Litovitz equation for a hard sphere liquid provides a satisfactory model for the viscosity of lead and molecular dynamics. The activation energy for viscosity (0.07 eV) is similar to the height of the interionic

  19. The diameter and evolutionary state of Procyon A

    E-Print Network [OSTI]

    P. Kervella; F. Thevenin; P. Morel; G. Berthomieu; P. Borde; J. Provost

    2003-09-04T23:59:59.000Z

    We report the angular diameter measurement obtained with the VINCI/VLTI instrument on the nearby star Procyon A (alpha CMi A, F5IV-V), at a relative precision of +/- 0.9%. We obtain a uniform disk angular diameter in the K band of UD = 5.376 +/- 0.047 mas and a limb darkened value of LD = 5.448 +/- 0.053 mas. Together with the Hipparcos parallax, this gives a linear diameter of 2.048 +/- 0.025 D_sun. We use this result in combination with spectroscopic, photometric and asteroseismic constraints to model this star with the CESAM code. One set of modeling parameters that reproduces the observations within their error bars are an age of 2314 Myr, an initial helium mass fraction Y_i = 0.301 and an initial mass ratio of heavy elements to hydrogen Z/X_i = 0.0314. We also computed the adiabatic oscillation spectrum of our model of Procyon A, giving a mean large frequency separation of Delta nu_0 = 54.7 microHz. This value is in agreement with the seismic observations by Martic et al. (1999, 2001). The interferometric diameter and the asteroseismic large frequency spacing together suggest a mass closer to 1.4 M_sun than to 1.5 M_sun. We conclude that Procyon is currently ending its life on the main sequence, as its luminosity class indicates.

  20. Offshore Series Wind Turbine Variable Hub heights & rotor diameters

    E-Print Network [OSTI]

    Firestone, Jeremy

    3.6MW Offshore Series Wind Turbine GE Energy #12;Feature Variable Hub heights & rotor diameters-savings feature, considering the rigors of offshore power generation. The 3.6 MW offshore wind turbine also, for both on and offshore use. Special features include... As the world's first commercially available wind

  1. Low Cost PM Technology for Particle Reinforced Titanium Automotive...

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

    10 - Low Cost PM Technology for Particle Reinforced Titanium Automotive Components edm2@chrysler.com February 28, 2008 Low Cost PM Technology for Particle Reinforced Titanium...

  2. Virtual Oxygen Sensor for Innovative NOx and PM Emission Control...

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

    Virtual Oxygen Sensor for Innovative NOx and PM Emission Control Technologies Virtual Oxygen Sensor for Innovative NOx and PM Emission Control Technologies A virtual O2 sensor for...

  3. Differences in the Physical Characteristics of Diesel PM with...

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

    Differences in the Physical Characteristics of Diesel PM with Increasing Biofuel Blend Level Differences in the Physical Characteristics of Diesel PM with Increasing Biofuel Blend...

  4. PM Perspective & Awards Presentations - David Klaus, Deputy Under...

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

    29b-PM Workshop 2013 Awards Presentation.pdf More Documents & Publications Secretary's 2013 Award of Excellence PM Workshop 2012 Awards Recognition - Secretary's Awards Agenda...

  5. An Experimental Study of PM Emission Characteristics of Commercial...

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

    An Experimental Study of PM Emission Characteristics of Commercial Diesel Engine with Urea-SCR System An Experimental Study of PM Emission Characteristics of Commercial Diesel...

  6. Low Cost PM Technology for Particle Reinforced Titanium Automotive...

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

    PM Technology for Particle Reinforced Titanium Automotive Components: Manufacturing Process Feasibility StudyAMD 310 Low Cost PM Technology for Particle Reinforced Titanium...

  7. Aerodynamic testing of a rotating wind turbine blade

    SciTech Connect (OSTI)

    Butterfield, C.P.; Nelsen, E.N.

    1990-01-01T23:59:59.000Z

    Aerodynamic, load, flow-visualization, and inflow measurements were taken on a downwind horizontal-axis wind turbine (HAWT). A video camera mounted on the rotor recorded video images of tufts attached to the low-pressure side of the blade. Strain gages, mounted every 10% of the blade's span, provided load and pressure measurements. Pressure taps at 32 chordwise positions recorded pressure distributions. Wind inflow was measured via a vertical-plane array of anemometers located 10 m upwind. The objectives of the test were to address whether airfoil pressure distributions measured on a rotating blade differed from those measured in the wind tunnel, if radial flow near or in the boundary layer of the airfoil affected pressure distributions, if dynamic stall could result in increased dynamic loads, and if the location of the separation boundary measured on the rotating blade agreed with that measured in two-dimensional flow in the wind tunnel. 6 refs., 9 figs., 1 tab.

  8. Decreasing the Diameter of Bounded Degree Graphs Andras Gyarfas

    E-Print Network [OSTI]

    Shamir, Ron

    it of diameter d. On the other hand, in some cases it is trivial to find fd(G). For example, fd(G) = n - 1´o § February 22, 2002 To the memory of Paul Erdos Abstract Let fd(G) denote the minimum number of edges, fd(G) depends strongly on the actual structure of G, not only on the maximum degree of G. We prove

  9. The diameter and evolutionary state of Procyon A

    E-Print Network [OSTI]

    Kervella, P; Morel, P; Berthomieu, G; Bordé, P J; Provost, J P

    2003-01-01T23:59:59.000Z

    We report the angular diameter measurement obtained with the VINCI/VLTI instrument on the nearby star Procyon A (alpha CMi A, F5IV-V), at a relative precision of +/- 0.9%. We obtain a uniform disk angular diameter in the K band of UD = 5.376 +/- 0.047 mas and a limb darkened value of LD = 5.448 +/- 0.053 mas. Together with the Hipparcos parallax, this gives a linear diameter of 2.048 +/- 0.025 D_sun. We use this result in combination with spectroscopic, photometric and asteroseismic constraints to model this star with the CESAM code. One set of modeling parameters that reproduces the observations within their error bars are an age of 2314 Myr, an initial helium mass fraction Y_i = 0.301 and an initial mass ratio of heavy elements to hydrogen Z/X_i = 0.0314. We also computed the adiabatic oscillation spectrum of our model of Procyon A, giving a mean large frequency separation of Delta nu_0 = 54.7 microHz. This value is in agreement with the seismic observations by Martic et al. (1999, 2001). The interferometri...

  10. GTA P.M. PEAK MODEL Version 2.0

    E-Print Network [OSTI]

    Toronto, University of

    WORKING DRAFT GTA P.M. PEAK MODEL Version 2.0 And HALTON REGION SUB-MODEL Documentation & Users' Guide Prepared by Peter Dalton July 2001 #12;GTA P.M. Model Page 2 30/05/2002 Contents 1.0 P.M. Peak ................................................................................................ 4 Table 1 - Features of the P.M. Peak Period Model

  11. Journal of Wind Engineering and Industrial Aerodynamics 96 (2008) 503523

    E-Print Network [OSTI]

    Manuel, Lance

    with such spectral models can be in turn highly variable for different realizations. Turbine load and performance a wind velocity field over spatial dimensions on the scale of the turbine rotor diameter in accordance of uncertainty in inflow turbulence to wind turbine loads Korn Saranyasoontorn, Lance ManuelÃ? Department of Civil

  12. Challenges in Simulation of Aerodynamics, Hydrodynamics, and Mooring-Line Dynamics of Floating Offshore Wind Turbines

    SciTech Connect (OSTI)

    Matha, D.; Schlipf, M.; Cordle, A.; Pereira, R.; Jonkman, J.

    2011-10-01T23:59:59.000Z

    This paper presents the current major modeling challenges for floating offshore wind turbine design tools and describes aerodynamic and hydrodynamic effects due to rotor and platform motions and usage of non-slender support structures.

  13. Influence of low-speed aerodynamic performance on airport community noise

    E-Print Network [OSTI]

    March, Andrew I. (Andrew Irving)

    2008-01-01T23:59:59.000Z

    Properly assessing proposed aviation policies requires a thorough trade study of noise, emissions, fuel consumption, and cost. Aircraft low-speed aerodynamic performance is an important driver of all these impacts, and ...

  14. Effect of aerodynamic uncertainties on unconventional lateral control at high angle of attack

    E-Print Network [OSTI]

    Eller, Bob Gensen

    1987-01-01T23:59:59.000Z

    EFFECT OF AERODYNAMIC UNCERTAINTIES ON UNCONVENTIONAL LATERAL CONTROL AT HIGH ANGLE OF ATTACK A Thesis by BOB GENSEN ELLER Submitted to the Graduate College of Texas ARM University in partial fulfillment of the requirement for the degree... of MASTER OF SCIENCE December 1987 Major Subject: Aerospace Engineering EFFECT OF AERODYNAMIC UNCERTAINTIES ON UNCONVENTIONAL LATEHAI CONTROL AT HIGH ANGI. E (&F A'I'TACK A Thesis by BOB GENSEN ELLER Approved as to style and content by: Donald T...

  15. Computer subroutine for estimating aerodynamic blade loads on Darrieus vertical axis wind turbines. [FORCE code

    SciTech Connect (OSTI)

    Sullivan, W. N.; Leonard, T. M.

    1980-11-01T23:59:59.000Z

    An important aspect of structural design of the Darrieus rotor is the determination of aerodynamic blade loads. This report describes a load generator which has been used at Sandia for quasi-static and dynamic rotor analyses. The generator is based on the single streamtube aerodynamic flow model and is constructed as a FORTRAN IV subroutine to facilitate its use in finite element structural models. Input and output characteristics of the subroutine are described and a complete listing is attached as an appendix.

  16. Radio source orientation and the angular diameter-redshift relation

    SciTech Connect (OSTI)

    Onuora, L.I. (University of Nigeria, Nsukka (Nigeria))

    1991-08-01T23:59:59.000Z

    The effect of a nonrandom source orientation on the angular diameter-redshift relation was considered for the 3CR sample of Laing et al., based on the 'unified' scheme of Barthel. For an inhomogeneous sample of objects displaying milliarcsecond scale structure, it was found that there was no evidence for a systematic variation for orientation angle with redshift. However, if it was assumed that quasars are closer to the line of sight than powerful extended radio galaxies, then the observed angular size-redshift relation could be interpreted in terms of source orientation, rather than linear size evolution. 14 refs.

  17. The effect of pipe diameter on orifice mixers

    E-Print Network [OSTI]

    Tomme, Warren James

    1959-01-01T23:59:59.000Z

    in kerosene, V is the total rate of flow in gallons per minute~ DO is the orifice diameter and A is the interfacial area in square centimeters per cubic centimeter of dispersion. This correlation indicated a linear relationship between the velocity... function of the change in kinetic energy across the orifice and the volume fraction of water in kerosene. Also considered was a correlation based on dimensional analysis. The first of these two correlations is as follows: il 1 661 (P)o. il4) (/ //0)0'V...

  18. Prediction of tree diameter growth using quantile regression and mixed-effects models

    E-Print Network [OSTI]

    Cao, Quang V.

    Prediction of tree diameter growth using quantile regression and mixed-effects models Som B. Bohora diameter predictions for the same tree in the future. Another approach considered in this study involved and mixed-effects models in predicting tree diameter growth. Tree diameter at the end of each growth period

  19. Allowable pillar to diameter ratio for strategic petroleum reserve caverns.

    SciTech Connect (OSTI)

    Ehgartner, Brian L.; Park, Byoung Yoon

    2011-05-01T23:59:59.000Z

    This report compiles 3-D finite element analyses performed to evaluate the stability of Strategic Petroleum Reserve (SPR) caverns over multiple leach cycles. When oil is withdrawn from a cavern in salt using freshwater, the cavern enlarges. As a result, the pillar separating caverns in the SPR fields is reduced over time due to usage of the reserve. The enlarged cavern diameters and smaller pillars reduce underground stability. Advances in geomechanics modeling enable the allowable pillar to diameter ratio (P/D) to be defined. Prior to such modeling capabilities, the allowable P/D was established as 1.78 based on some very limited experience in other cavern fields. While appropriate for 1980, the ratio conservatively limits the allowable number of oil drawdowns and hence limits the overall utility and life of the SPR cavern field. Analyses from all four cavern fields are evaluated along with operating experience gained over the past 30 years to define a new P/D for the reserve. A new ratio of 1.0 is recommended. This ratio is applicable only to existing SPR caverns.

  20. Large Particle Penetration During PM10 Sampling

    E-Print Network [OSTI]

    Faulkner, William; Haglund, John; Smith, Raleigh

    2014-01-01T23:59:59.000Z

    with sampling of large particles such as those most often emitted from agricultural operations. Previous studies have characterized the performance of PM10 inlets across a wide range of particle sizes, including particles up to 25 mm AED (McFarland and Ortiz..., fluorometric analysis methods used by McFarland and Ortiz (1984), which will be discussed in detail below, likely masked small sampling efficiency values when characterizing the per- formance of the original FRM PM10 for large particles. Rela- tively small...

  1. Sunday April 1, 2012 Participant Arrival & Check-in 6:00pm-7:00pm Welcome Social: Hyatt Place Orlando

    E-Print Network [OSTI]

    Watson, Craig A.

    , Equipment improvements 12:00pm-1:30pm Lunch at CREC 1:30pm-3:00pm Oral Session III 3. III. Abscission agents, Costs and reliability, Future goals 12:00pm-1:30pm Lunch at CREC 1:30pm-3:00pm Oral session VII 8. VII Process". Gary Stich, CEO of Oxbo International Corporation. Followed by Oral Presentations on: Equipment

  2. Monday, January 09, 2012 6:30 PM 8:00 PM Recreational Sports Aikido Kokikai with David Marshal Arts & Training

    E-Print Network [OSTI]

    Carter, John

    Monday, January 09, 2012 6:30 PM 8:00 PM Recreational Sports Aikido Kokikai with David Marshal Arts Marshal Arts & Training Room 7:30 PM 9:30 PM Recreational Sports Kyokushin Karate with Keith Marshal Arts Marshal Arts & Training Room Thursday, January 12, 2012 5:30 PM 7:30 PM Recreational Sports Danzan Ryu

  3. Seismic fragility test of a 6-inch diameter pipe system

    SciTech Connect (OSTI)

    Chen, W. P.; Onesto, A. T.; DeVita, V.

    1987-02-01T23:59:59.000Z

    This report contains the test results and assessments of seismic fragility tests performed on a 6-inch diameter piping system. The test was funded by the US Nuclear Regulatory Commission (NRC) and conducted by ETEC. The objective of the test was to investigate the ability of a representative nuclear piping system to withstand high level dynamic seismic and other loadings. Levels of loadings achieved during seismic testing were 20 to 30 times larger than normal elastic design evaluations to ASME Level D limits would permit. Based on failure data obtained during seismic and other dynamic testing, it was concluded that nuclear piping systems are inherently able to withstand much larger dynamic seismic loadings than permitted by current design practice criteria or predicted by the probabilistic risk assessment (PRA) methods and several proposed nonlinear methods of failure analysis.

  4. Retsch PM400 ball mill Nanoparticle preparation

    E-Print Network [OSTI]

    Anderson, Scott L.

    the presence of a low binding energy boride species (CexBy) XPS Catalyst Coated, Unoxidized Boron NanoparticlesRetsch PM400 ball mill pump Nanoparticle preparation Ball Milling Method Physically grind micron are coated with various ligands/capping agents to promote suspension in a variety of fuels and/or to protect

  5. Exact Location : Date of Accident : AM PM

    E-Print Network [OSTI]

    Swaddle, John

    SSN Cell Phone Home Phone Work Phone Exact Location : Date of Accident : AM PM Date accident treatment provided? Yes No Where Was time lost from work? Yes No If yes, how long? Could this accident have the following information as soon as it relates to your work related accident/injury/illness within 72 hours

  6. AIAA Applied Aerodynamics Conference, 7th, Seattle, WA, July 31-Aug. 2, 1989, Technical Papers

    SciTech Connect (OSTI)

    Not Available

    1989-01-01T23:59:59.000Z

    The present conference discusses the comparative aerodynamic behavior of half-span and full-span delta wings, TRANAIR applications to engine/airframe integration, a zonal approach to V/STOL vehicle aerodynamics, an aerodynamic analysis of segmented aircraft configurations in high-speed flight, unstructured grid generation and FEM flow solvers, surface grid generation for flowfields using B-spline surfaces, the use of chimera in supersonic viscous calculations for the F-15, and hypersonic vehicle forebody design studies. Also discussed are the aerothermodynamics of projectiles at hypersonic speeds, flow visualization of wing-rock motion in delta wings, vortex interaction over delta wings at high alpha, the analysis and design of dual-rotation propellers, unsteady pressure loads from plunging airfoils, the effects of riblets on the wake of an airfoil, inverse airfoil design with Navier-Stokes methods, flight testing for a 155-mm base-burn projectile, experimental results on rotor/fuselage aerodynamic interactions, the high-alpha aerodynamic characteristics of crescent and elliptic wings, and the effects of free vortices on lifting surfaces.

  7. A Proof by the Simplex Method for the Diameter of a (0,1)-Polytope

    E-Print Network [OSTI]

    2011-08-24T23:59:59.000Z

    by proving that the diameter of any (0,1)-polytope in d-dimensional. Euclidean space is at most d. In this short paper, we give a simple proof for the diameter.

  8. Characterization of aerodynamic drag force on single particles: Final report

    SciTech Connect (OSTI)

    Kale, S.R.

    1987-10-01T23:59:59.000Z

    An electrodynamic balance was used to measure the drag coefficient and also to record the size and shape of spheres, and coal and oil shale particles (100 ..mu..m to 200 ..mu..m in size). The electrodynamic balance consisted of a central, and two end electrodes. The resulting electric field stably suspended a charged particle. A suspended particle, back illuminated by a light emitting diode, was viewed by a video camera. The image was analyzed for particle position control and was calibrated to give the diameter of spheres, or the area equivalent diameter of nonspherical particles. The drag coefficient was calculated from the air velocity and the dc voltage required to keep the particle at the balance center. The particle Reynolds number varied from 0.2 to 13. Three particles each of coal and oil shale were captured and photographed by a scanning electron microscope and the motion of all the particles was recorded on video tape. Drag coefficient vs Reynolds number data for spheres agreed well with correlations. Data for thirteen particles each of coal and oil shale indicated a power law relationship between drag coefficient and Reynolds number. All these particles exhibited higher drag than spheres and were also observed to rotate. The rotation, however, did not affect the drag coefficient. The choice of characteristic dimension affects the drag characteristics of oil shale more strongly than for coal, owing to the flake-like shape of oil shale. 38 figs., 5 tabs.

  9. Developing Supersonic Impactor and Aerodynamic Lens for Separation and Handling of Nano-Sized Particles

    SciTech Connect (OSTI)

    Goodarz Ahmadi

    2008-06-30T23:59:59.000Z

    A computational model for supersonic flows of compressible gases in an aerodynamic lens with several lenses and in a supersonic/hypersonic impactor was developed. Airflow conditions in the aerodynamic lens were analyzed and contour plots for variation of Mach number, velocity magnitude and pressure field in the lens were evaluated. The nano and micro-particle trajectories in the lens and their focusing and transmission efficiencies were evaluated. The computational model was then applied to design of a aerodynamic lens that could generate focus particle beams while operating under atmospheric conditions. The computational model was also applied to airflow condition in the supersonic/hypersonic impactor. Variations of airflow condition and particle trajectories in the impactor were evaluated. The simulation results could provide understanding of the performance of the supersonic and hypersonic impactors that would be helpful for the design of such systems.

  10. AUTOMATED WATER LEVEL MEASUREMENTS IN SMALL-DIAMETER AQUIFER TUBES

    SciTech Connect (OSTI)

    PETERSEN SW; EDRINGTON RS; MAHOOD RO; VANMIDDLESWORTH PE

    2011-01-14T23:59:59.000Z

    Groundwater contaminated with hexavalent chromium, strontium-90, and uranium discharges into the Columbia River along approximately 16 km (10 mi) of the shoreline. Various treatment systems have and will continue to be implemented to eliminate the impact of Hanford Site contamination to the river. To optimize the various remediation strategies, it is important to understand interactions between groundwater and the surface water of the Columbia River. An automated system to record water levels in aquifer sampling tubes installed in the hyporheic zone was designed and tested to (1) gain a more complete understanding of groundwater/river water interactions based on gaining and losing conditions ofthe Columbia River, (2) record and interpret data for consistent and defensible groundwater/surface water conceptual models that may be used to better predict subsurface contaminant fate and transport, and (3) evaluate the hydrodynamic influence of extraction wells in an expanded pump-and-treat system to optimize the treatment system. A system to measure water levels in small-diameter aquifer tubes was designed and tested in the laboratory and field. The system was configured to allow manual measurements to periodically calibrate the instrument and to permit aquifer tube sampling without removing the transducer tube. Manual measurements were collected with an e-tape designed and fabricated especially for this test. Results indicate that the transducer system accurately records groundwater levels in aquifer tubes. These data are being used to refine the conceptual and numeric models to better understand interactions in the hyporheic zone of the Columbia River and the adjacent river water and groundwater, and changes in hydrochemistry relative to groundwater flux as river water recharges the aquifer and then drains back out in response to changes in the river level.

  11. News -Little Geobacter still sparks discoveries after 20 years from the T... file:///C:/Documents%20and%20Settings/pbrown/My%20Documents/re... 1 of 2 6/19/2007 8:33 PM

    E-Print Network [OSTI]

    Lovley, Derek

    , Geobacter exhale electricity through 20 to 30 hair-like structures, just 3 to 5 nanometers in diameterNews - Little Geobacter still sparks discoveries after 20 years from the T... file:///C:/Documents%20and%20Settings/pbrown/My%20Documents/re... 1 of 2 6/19/2007 8:33 PM Little Geobacter still sparks

  12. A Tour of the Aerodynamic and Hydraulic Research Infrastructure, Department of Engineering, University of Leicester

    E-Print Network [OSTI]

    Gorban, Alexander N.

    A Tour of the Aerodynamic and Hydraulic Research Infrastructure, Department of Engineering of the experimental facilities that are more relevant to fundamental and applied flow turbine research. The tour-section wind tunnel. This will be followed by a visit to the Hydraulics laboratory, Engineering Tower (13

  13. The Natural Aerodynamic Sampling of Trace Explosives from the Human Body

    E-Print Network [OSTI]

    Settles, Gary S.

    The Natural Aerodynamic Sampling of Trace Explosives from the Human Body Gary S. Settles, Huban A. Gowadia, Sean B. Strine, and Timothy E. Johnson Gas Dynamics Lab, Mechanical Engineering Dept., 301D Reber developed for this purpose, their widespread use may be too slow for airport security use and may

  14. Aerodynamic and Performance Measurements on a SWT-2.3-101 Wind Turbine

    SciTech Connect (OSTI)

    Medina, P.; Singh, M.; Johansen, J.; Jove, A.R.; Machefaux, E.; Fingersh, L. J.; Schreck, S.

    2011-10-01T23:59:59.000Z

    This paper provides an overview of a detailed wind turbine field experiment being conducted at NREL under U.S. Department of Energy sponsorship. The purpose of the experiment is to obtain knowledge about the aerodynamics, performance, noise emission and structural characteristics of the Siemens SWT-2.3-101 wind turbine.

  15. Benchmark of aerodynamic cycling helmets using a refined wind tunnel test protocol for helmet drag research

    E-Print Network [OSTI]

    Sidelko, Stephanie

    2007-01-01T23:59:59.000Z

    The study of aerodynamics is very important in the world of cycling. Wind tunnel research is conducted on most of the equipment that is used by a rider and is a critical factor in the advancement of the sport. However, to ...

  16. Fan Aerodynamic Performance Guarantees: Do Your Policies, Procedures and Penalties Provide Adequate Certainty?

    E-Print Network [OSTI]

    Kaufman, S. G.; Martin, V.; Falk, M. A.

    2004-01-01T23:59:59.000Z

    With few exceptions, fan vendors do not provide a written guarantee regarding aerodynamic performance. Some fan vendors even go so far as to state in their terms and conditions of sale that fan performance is not guaranteed unless it is specifically...

  17. AIAA 2002-3298 AERODYNAMICS OF TWO SIDE-BY-SIDE PLATES IN HYPERSONIC

    E-Print Network [OSTI]

    Riabov, Vladimir V.

    AIAA 2002-3298 AERODYNAMICS OF TWO SIDE-BY-SIDE PLATES IN HYPERSONIC RAREFIED-GAS FLOWS Vladimir V. Riabov* Rivier College, Nashua, New Hampshire 03060 Abstract Hypersonic rarefied-gas flows near two side transitional rarefied-gas-flow conditions (Knudsen numbers from 0.024 to 1.8). Strong influences

  18. Aerodynamics of Two Interfering Simple-Shape Bodies in Hypersonic Rarefied-Gas Flows

    E-Print Network [OSTI]

    Riabov, Vladimir V.

    ] for transition rarefied-gas flows. Supersonic, subsonic, and pressure-driven, low-speed flows in twoAerodynamics of Two Interfering Simple-Shape Bodies in Hypersonic Rarefied-Gas Flows Vladimir V. Riabov Rivier College, Nashua, New Hampshire, USA Abstract. Hypersonic rarefied-gas flows near two side

  19. DOE's Gasoline/Diesel PM Split Study

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny: Theof"WaveInteractionsMaterialsDevelop Low-carbonDOE's Gasoline/Diesel PM

  20. Measurements of PM Traps | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(FactDepartment3311, 3312), October 20122Technologies |Measurements of PM Traps

  1. Structural effects of unsteady aerodynamic forces on horizontal-axis wind turbines

    SciTech Connect (OSTI)

    Miller, M.S.; Shipley, D.E. [Univ. of Colorado, Boulder, CO (United States). BioServe Space Technologies

    1994-08-01T23:59:59.000Z

    Due to its renewable nature and abundant resources, wind energy has the potential to fulfill a large portion of this nation`s energy needs. The simplest means of utilizing wind energy is through the use of downwind, horizontal-axis wind turbines (HAWT) with fixed-pitch rotors. This configuration regulates the peak power by allowing the rotor blade to aerodynamically stall. The stall point, the point of maximum coefficient of lift, is currently predicted using data obtained from wind tunnel tests. Unfortunately, these tests do not accurately simulate conditions encountered in the field. Flow around the tower and nacelle coupled with inflow turbulence and rotation of the turbine blades create unpredicted aerodynamic forces. Dynamic stall is hypothesized to occur. Such aerodynamic loads are transmitted into the rotor and tower causing structural resonance that drastically reduces the design lifetime of the wind turbine. The current method of alleviating this problem is to structurally reinforce the tower and blades. However, this adds unneeded mass and, therefore, cost to the turbines. A better understanding of the aerodynamic forces and the manner in which they affect the structure would allow for the design of more cost effective and durable wind turbines. Data compiled by the National Renewable Energy Laboratory (NREL) for a downwind HAWT with constant chord, untwisted, fixed-pitch rotors is analyzed. From these data, the actual aerodynamic characteristics of the rotor are being portrayed and the potential effects upon the structure can for the first time be fully analyzed. Based upon their understanding, solutions to the problem of structural resonance are emerging.

  2. Registration: Museum Explorations are available Monday 15 PM; and Tues., Wed., Fri., 10 AM5 PM.

    E-Print Network [OSTI]

    #12;Registration: Museum Explorations are available Monday 1­5 PM; and Tues., Wed., Fri., 10 AM­5 at http://www.lanl.gov/museum. We ask for the following information: r Name, email address, and phone packet by email, including maps, directions, and museum policies. 3. If you have questions, the best way

  3. Determining TSP, PM10 & PM2.5 using the Coulter Counter Multisizer

    E-Print Network [OSTI]

    Raina, Madhulika

    1996-01-01T23:59:59.000Z

    PMIO concentrations using standard high volume samplers and the Coulter Counter Multisizer. The FEVol/Coulter method can be used to calculate TSP, PMIO and PM2.5 using just one exposed filter. It will assist in regulating PMIO air pollution and can...

  4. Monday, December 8, 2014 1:00 pm 5:30 pm Exhibitor Setup

    E-Print Network [OSTI]

    Johnson, Eric E.

    and Avoid System on Predator B James H.Williams, Federal Aviation Administration, Manager, Unmanned Aircraft. Williams, Federal Aviation Administration, Manager, Unmanned Aircraft Systems Integration Office 1:30 pm Keynote Presentation: Overview of FAA UAS Activities and Accomplishments James H.Williams, Federal

  5. Measuring PM Distribution in a Catalyzed Particulate Filter using...

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

    in a Catalyzed Particulate Filter using a Terahertz Wave Scanner Terahertz scanning system produced 3-dimensional image of local PM density in catatalyzed particulate...

  6. James Webb Space Telescope: PM Lessons Applied - Eric Smith,...

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

    2014 DOE Project Management Workshop PM Lessons Applied - James Webb, Space Telescope More Documents & Publications NASA Perspectives on Cryo H2 Storage Audit Report: IG-0540...

  7. Fourth Novatek Hammer Field Test Department of Energy Well PM...

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

    Fourth Novatek Hammer Field Test Department of Energy Well PM-2-31 Garfield County, Colorado September, 1995 Report Prepared for Mud Hammer Development Project Partners Mobil Oil...

  8. The California Demonstration Program for Control of PM from Diesel...

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

    California Demonstration Program for Control of PM from Diesel Backup Generators (BUGs) David R. Cocker III, Kent Johnson, John Lee, Marla Mueller, Sandip Shah, Bonnie Soriano,...

  9. The California Demonstration Program for Control of PM from Diesel...

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

    Research and Technology The California Demonstration Program for Control of PM from Diesel Backup Generators (BUGs) J. Wayne Miller, Kent Johnson, John Lee, Marla Mueller,...

  10. Development of PM trap system for urban buses

    SciTech Connect (OSTI)

    Kumagai, Yasuaki; Nakashima, Naohisa; Miyata, Osamu; Ikeda, Tatuya

    1996-09-01T23:59:59.000Z

    In response to stringent particulate matter (PM) emission regulations worldwide, developments of diesel particulate filter (DPF) continue apace in addition to engine modification for PM reduction. Particularly with buses used in urban areas, reduction methods in black smoke emissions are being researched in addition to the efforts to satisfy the aforementioned PM regulations. The system described in this paper was developed for use mainly with buses in large urban concentrations. The system consists of both wall-flow monolith filters for filtration of PM emissions and electric heaters for regeneration. A key feature of this system is that exhaust gas is used for effective combustion of PM during regeneration. Optimization of the exhaust gas flow rate drawn into the filter under regeneration has resulted in regeneration efficiency comparable with those achieved using air pumps. The difficulty of putting DPF systems to practical use has been due to cracking and melting of filters caused by excessive PM accumulation and subsequent increases in temperature in excess of tolerable levels. To prevent these problems, some means of controlling the accumulated PM mass was required. Since bus routes in large urban concentrations follow common patterns, the mass of PM accumulated over a given time period is more or less constant. Thus, the amount of PM accumulated over a given time period can be estimated easily and filter damage can be prevented.

  11. Development on simultaneous reduction system of NOx and PM from...

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

    system of NOx and PM from a diesel engine 2003 DEER Converence Presentation: Toyota Motor Corporation 2003deerwatanabe.pdf More Documents & Publications An Improvement of...

  12. Method and apparatus for determining diameter and wall thickness of minute hollow spherical shells

    DOE Patents [OSTI]

    Steinman, D.A.

    1980-05-30T23:59:59.000Z

    Method and apparatus for determining diameter and wall thickness of hollow microspheres or shells wherein terminal velocities of shells traveling in fluid-filled conduits of differing diameters are measured. A wall-effect factor is determined as a ratio of the terminal velocities, and shell outside diameter may then be ascertained as a predetermined empirical function of wall-effect factor. For shells of known outside diameter, wall thickness may then be ascertained as a predetermined empirical function of terminal velocity in either conduit.

  13. CONSTRUCTION AND TESTING OF THE TWO METER DIAMETER TPC THIN SUPERCONDUCTING SOLENOID

    E-Print Network [OSTI]

    Green, M.A.

    2010-01-01T23:59:59.000Z

    DIAMETER TPC THIN SUPERCONDUCTING SOLENOID . 'i.A. Green,an Aluminum Stabilized Superconductor", Cryogenics 17, Vol.and Construction of a Superconducting Stabilized Aluminum

  14. A Computational Method for Determining Distributed Aerodynamic Loads on Planforms of Arbitrary Shape in Compressible Subsonic Flow

    E-Print Network [OSTI]

    Brown, Matthew Alan

    2013-12-31T23:59:59.000Z

    wings and wings with control surface deflection. A method for accounting for the shift in the locus of aerodynamic centers is also presented and applied to the lifting line theory to mitigate singularities inherent in its formulation. Comparisons...

  15. Transcription Journal Club -2013-2014 September 3 Tuesday 1PM Magda Potok Journal Club

    E-Print Network [OSTI]

    Simons, Jack

    Transcription Journal Club - 2013-2014 September 3 Tuesday 1PM Magda Potok Journal Club September 10 Tuesday 5PM Stephanie Cuhna Research Talk September 17 Tuesday 1PM Yixuan Guo Journal Club Talk October 08 Tuesday 1PM Chongil Yi Journal Club October 15 Tuesday 5PM Christopher Gregg Postdoc

  16. THE RADIO NUMBERS OF ALL GRAPHS OF ORDER n AND DIAMETER n -2

    E-Print Network [OSTI]

    Tomova, Maggy

    THE RADIO NUMBERS OF ALL GRAPHS OF ORDER n AND DIAMETER n - 2 KATHERINE BENSON, MATTHEW PORTER, AND MAGGY TOMOVA Abstract. A radio labeling of a connected graph G is a function c : V (G) Z+ such that for every two distinct vertices u and v of G distance(u, v) + |c(u) - c(v)| 1 + diameter(G). The radio

  17. Vertically aligned crystalline silicon nanowires with controlled diameters for energy conversion applications: Experimental and theoretical insights

    SciTech Connect (OSTI)

    Razek, Sara Abdel; Swillam, Mohamed A.; Allam, Nageh K., E-mail: nageh.allam@aucegypt.edu [Department of Physics, School of Sciences and Engineering, The American University in Cairo, New Cairo 11835 (Egypt)

    2014-05-21T23:59:59.000Z

    Vertically orientated single crystalline silicon nanowire (SiNW) arrays with controlled diameters are fabricated via a metal-assisted chemical etching method. The diameter of the fabricated nanowires is controlled by simply varying the etching time in HF/H{sub 2}O{sub 2} electrolytes. The fabricated SiNWs have diameters ranging from 117 to 650?nm and lengths from 8 to 18??m. The optical measurements showed a significant difference in the reflectance/absorption of the SiNWs with different diameters, where the reflectance increases with increasing the diameter of the SiNWs. The SiNWs showed significant photoluminescence (PL) emission spectra with peaks lying between 380 and 670?nm. The PL intensity increases as the diameter increases and shows red shift for peaks at ?670?nm. The increase or decrease of reflectivity is coincident with PL intensity at wavelength ?660?nm. The x-ray diffraction patterns confirm the high crystallinity of the fabricated SiNWs. In addition, the Raman spectra showed a shift in the first order transverse band toward lower frequencies compared to that usually seen for c-Si. Finite difference time domain simulations have been performed to confirm the effect of change of diameter on the optical properties of the nanowires. The simulation results showed good agreement with the experimental results for the SiNWs of different diameters.

  18. NT13 Satellites Saturday MSIN13 Posters Precursor-dependent reversible diameter modulation of

    E-Print Network [OSTI]

    Maruyama, Shigeo

    by chemical vapor deposition (CVD) of an acetonitrile-ethanol mixture [1]. The addition of no morethanfivevolumepercentacetonitrileinethanolresultsinadramaticreductionofthemeanSWNTdiameter. In the absence of acetonitrile, the mean diameter returns to the ~2 nm typical by the addition or absence of acetonitrile in the feedstock, and this diameter change is both reversible

  19. The Syntenic Diameter of the Space of NChromosome Genomes # Jon Kleinberg

    E-Print Network [OSTI]

    Liben-Nowell, David

    The Syntenic Diameter of the Space of N­Chromosome Genomes # Jon Kleinberg Department of Computer genomes of di#erent species. For each of these measures, a natu­ ral but often di#cult problem is to determine the diameter of the space it defines: What is the maximum distance between any pair of genomes

  20. The Syntenic Diameter of the Space of N-Chromosome Genomes Jon Kleinberg

    E-Print Network [OSTI]

    Liben-Nowell, David

    The Syntenic Diameter of the Space of N-Chromosome Genomes Jon Kleinberg Department of Computer genomes of different species. For each of these measures, a natu- ral but often difficult problem is to determine the diameter of the space it defines: What is the maximum distance between any pair of genomes

  1. Global Political Economy Wednesdays 5:30-8:10 PM

    E-Print Network [OSTI]

    Lin, Xiaodong

    Global Political Economy Fall 2014 Wednesdays 5:30-8:10 PM Location: 1 Washington Park, 508 Ajai of MNCs in the global economy. The role of economic, social and political institutions is also a central: Wednesdays, 3-5 PM. Course Outline This course offers a global perspective on long term change in the world

  2. Global Political Economy Wednesdays 5:30-8:10 PM

    E-Print Network [OSTI]

    Lin, Xiaodong

    Global Political Economy Fall 2013 Wednesdays 5:30-8:10 PM Location: ENG (Engelhard Hall) 213 Ajai of MNCs in the global economy. The role of economic, social and political institutions is also a central: Wednesdays, 3-5 PM. Course Outline This course offers a global perspective on long term change in the world

  3. Final Exams for Term 1148 2:06 pm /additional

    E-Print Network [OSTI]

    Lozano-Robledo, Alvaro

    154ACCT 3201 001 EXAM S Stanley Biggs 10:30 am - 12:30 pm12/13/14 - 12/13/14 TLS 154ACCT 3201 002 EXAM S Stanley Biggs 10:30 am - 12:30 pm12/13/14 - 12/13/14 TLS 154ACCT 3201 003 EXAM S Stanley Biggs 10:30 am

  4. Characterization of Fine Particulate Matter (PM) and Secondary PM Precursor Gases in Mexico City

    SciTech Connect (OSTI)

    Dr. Charles E. Kolb

    2008-03-31T23:59:59.000Z

    This project was one of three collaborating grants designed to understand the atmospheric chemistry and aerosol particle microphysics impacting air quality in the Mexico City Metropolitan Area (MCMA) and its urban plume. The overall effort, titled MCMA- 2006, focused on: 1) the primary emissions of fine particles and precursor gases leading to photochemical production of atmospheric oxidants and secondary aerosol particles and 2) the measurement and analysis of secondary oxidants and secondary fine particular matter (PM) production, with particular emphasis on secondary organic aerosol (SOA). MCAM-2006 pursued it goals through three main activities: 1) performance and publication of detailed analyses of extensive MCMA trace gas and fine PM measurements made by the collaborating groups and others during earlier MCMA field campaigns in 2002 and 2003; 2) deployment and utilization of extensive real-time trace gas and fine PM instrumentation at urban and downwind MCMA sites in support of the MAX-Mex/MILAGRO field measurements in March, 2006; and, 3) analyses of the 2006 MCMA data sets leading to further publications that are based on new data as well as insights from analysis and publication of the 2002/2003 field data. Thirteen archival publications were coauthored with other MCMA-2003 participants. Documented findings included a significantly improved speciated emissions inventory from on-road vehicles, a greatly enhanced understanding of the sources and atmospheric loadings of volatile organic compounds, a unique analysis of the high fraction of ambient formaldehyde from primary emission sources, a much more extensive knowledge of the composition, size distributions and atmospheric mass loadings of both primary and secondary fine PM, including the fact that the rate of MCMA SOA production greatly exceeded that predicted by current atmospheric models, and evaluations of significant errors that can arise from standard air quality monitors for ozone and nitrogen dioxide. Deployment of the Aerodyne mobile laboratory, equipped with instruments from five collaborating laboratories, at the T0 urban supersite, four downwind sites and the Tula industrial area yielded unique trace gas and fine PM data sets during the March 2006 MAXMex/MILAGRO campaign. In addition, on-road measurements as the mobile laboratory moved between sites provided extensive data on 2006 MCMA fleet averaged vehicle emissions. Analyses of 2006 data sets have yielded the identification of a close correlation between the rate of production of SOA and “Odd Oxygen” (O3 + NO2) and primary organic PM with CO in the MCMA urban plume, a more sophisticated understanding of the interplay between nitrogen oxide speciation and ozone production, the identification of significant vehicular emission sources of HCN and CH3CN (usually associated with biomass burning), characterization of the aging of primary carbonaceous PM, and updated 2006 MCMA fleet on-road trace gas and fine PM emissions. Results from analyses of 2002/2003 and 2006 emissions and ambient measurements have conveyed to Mexican air quality managers who are using these data to devise and assess air quality management strategies. All data sets and published analyses are available to DOE/ASP researchers evaluating the impact of urban emissions on regional climate.

  5. Aerodynamic Models For Hurricanes I. Model description and horizontal motion of hurricane

    E-Print Network [OSTI]

    Leonov, Arkady I

    2008-01-01T23:59:59.000Z

    Aerodynamic models are developed to describe coherent structures and transport processes in hurricanes moving over open seas. The models consist of the lower boundary layer and upper adiabatic layer. Except friction at the air/sea interface,proposed modeling avoids the common turbulent approximations while using explicitly or implicitly basic stability constraints. The models analyze dynamics of upper hurricane adiabatic layer, dynamics and transport processes in hurricane boundary layer, and genesis and maturing of hurricane. The proposed modeling provides a rude enough but consistent analytical description of basic processes in hurricanes. The present paper qualitatively describes the model of mature hurricane, briefly discusses the basic thermodynamic relations and aerodynamic equations, and establishes the principles of horizontal motion for mature hurricane.

  6. Stochastic model for aerodynamic force dynamics on wind turbine blades in unsteady wind inflow

    E-Print Network [OSTI]

    Luhur, Muhammad Ramzan; Kühn, Martin; Wächter, Matthias

    2015-01-01T23:59:59.000Z

    The paper presents a stochastic approach to estimate the aerodynamic forces with local dynamics on wind turbine blades in unsteady wind inflow. This is done by integrating a stochastic model of lift and drag dynamics for an airfoil into the aerodynamic simulation software AeroDyn. The model is added as an alternative to the static table lookup approach in blade element momentum (BEM) wake model used by AeroDyn. The stochastic forces are obtained for a rotor blade element using full field turbulence simulated wind data input and compared with the classical BEM and dynamic stall models for identical conditions. The comparison shows that the stochastic model generates additional extended dynamic response in terms of local force fluctuations. Further, the comparison of statistics between the classical BEM, dynamic stall and stochastic models' results in terms of their increment probability density functions gives consistent results.

  7. Experimental investigation of aerodynamic devices for wind turbine rotational speed control. Phase 1

    SciTech Connect (OSTI)

    Miller, L.S. [Wichita State Univ., KS (United States)

    1995-02-01T23:59:59.000Z

    An investigation was undertaken to identify the aerodynamic performance of five separate trailing-edge control devices, and to evaluate their potential for wind turbine overspeed and power modulation applications. A modular two-dimensional wind tunnel model was constructed and evaluated during extensive wind tunnel testing. Aerodynamic lift, drag, suction, and pressure coefficient data were acquired and analyzed for various control configurations and angles of attack. To further interpret their potential performance, the controls were evaluated numerically using a generic wind turbine geometry and a performance analysis computer program. Results indicated that the Spoiler-Flap control configuration was best softed for turbine braking applications. It exhibited a large negative suction coefficient over a broad angle-of-attack range, and good turbine braking capabilities, especially at low tip-speed ratio.

  8. Fleet Evaluation and Factory Installation of Aerodynamic Heavy Duty Truck Trailers

    SciTech Connect (OSTI)

    Beck, Jason; Salari, Kambiz; Ortega, Jason; Brown, Andrea

    2013-09-30T23:59:59.000Z

    The purpose of DE-EE0001552 was to develop and deploy a combination of trailer aerodynamic devices and low rolling resistance tires that reduce fuel consumption of a class 8 heavy duty tractor-trailer combination vehicle by 15%. There were 3 phases of the project: Phase 1 – Perform SAE Typed 2 track tests with multiple device combinations. Phase 2 – Conduct a fleet evaluation with selected device combination. Phase 3 – Develop the devices required to manufacture the aerodynamic trailer. All 3 phases have been completed. There is an abundance of available trailer devices on the market, and fleets and owner operators have awareness of them and are purchasing them. The products developed in conjunction with this project are at least in their second round of refinement. The fleet test undertaken showed an improvement of 5.5 – 7.8% fuel economy with the devices (This does not include tire contribution).

  9. The aerodynamic characteristics of an airfoil utilizing boundary layer and circulation control

    E-Print Network [OSTI]

    Boothe, Edward Milton

    1965-01-01T23:59:59.000Z

    THE AERODYNAMIC CHARACTERISTICS OF AN AIRFOIL UTILIZING BOUNDARY LAYER AND CIRCULATION CONTROL A Thesis By EDWARD MILTON BOOTHE Submitted to the Graduate College of the Texas ARM University in partial fulfillment of the requirements... . Wind Tunnel IV Auxiliary Equipment EXPERIMENTAL PROCEDURES . 13 Preliminary Tests 13 Measurement of Boundary Layer And Circulation Control Parameters 16 Wind Tunnel Tests of Airfoil Model. 19 Reduction of Experimental Results 20 V RESULTS...

  10. Hillman Library 10 a.m.6 p.m. closed Falk Library (HSLS) 9:30 a.m.10 p.m. closed

    E-Print Network [OSTI]

    Jiang, Huiqiang

    .m. 10 a.m.­6 p.m. noon­9 p.m. Stark media Services 412­648­7232 8:30 a.m.­7 p.m. 8:30 a.m.­5 p.m. noon­5

  11. Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev...

    Office of Environmental Management (EM)

    PowerPoint - 12 Holman White PM Conference 2010 Rev 2 revised Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev 2 revised Microsoft PowerPoint - 12 Holman White PM...

  12. Impact of access port diameter on the long reach manipulator design

    SciTech Connect (OSTI)

    Stoughton, R.S.

    1994-04-01T23:59:59.000Z

    Many of the single shell storage tanks (SSTs) on the Hanford site appear to have central 42-in. risers which could be used as access ports for the Long Reach Manipulator (LRM). However, about half of the tanks are known to not have a central 42-in. riser and it has recently been discovered that of the tanks whose drawings indicate central 42-in. risers, the majority have been plugged, sealed, or taper down to a much smaller diameter at ground level. Thus, it can be assumed that a central access port for the LRM will have to be made. There are many issues involved in determining the best diameter for this access port such as radiation exposure, contamination prevention, and availability of remote excavation technology. This report analyzes the relationship between the access port diameter and the performance characteristics of the LRM. Previous work has assumed that the mast diameter would be 80% of the access port diameter. In this report, the maximum mast diameter will be varied rather than the access port diameter, leaving the issue of the required clearance between the mast and the access port open.

  13. WASC SCHEDULE OVERVIEW 11:00 am to 12:30 pm Campus tour WASC team

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    WASC SCHEDULE OVERVIEW 11:00 am to 12:30 pm Campus tour WASC team 1:00 to 2:15 pm Team lunch (private) WASC team 2:30 to 3:30 pm Meet with Chemers, Delaney WASC team 3:30 to 4:45 pm Introductory Duderstadt, Scott 5:00 to 6:30 pm Reception WASC team 7:00 pm Senate dinner WASC team 8:45 to 10:15 am

  14. THIRD ANNUAL tent saleSaturday, June 21 8 a.m. -4 p.m.

    E-Print Network [OSTI]

    THIRD ANNUAL tent saleSaturday, June 21 · 8 a.m. - 4 p.m. "Discount Sunday," June 22 · 8 a.m. - 2 p.m

  15. Microsoft PowerPoint - 10 Lee LCLS Lessons Learned PM Workshop...

    Office of Environmental Management (EM)

    0 Lee LCLS Lessons Learned PM Workshop Final Compatibility Mode Microsoft PowerPoint - 10 Lee LCLS Lessons Learned PM Workshop Final Compatibility Mode Microsoft PowerPoint -...

  16. PM PEM’s Pre-Measurement Allowance – On-Road Evaluation and Investigation

    E-Print Network [OSTI]

    Durbin, T; Jung, H; Cocker III, D R; Johnson, K

    2009-01-01T23:59:59.000Z

    made from a class 8 truck whose PM emissions levels werea class 8 truck whose in- use PM emissions levels averaged

  17. COLLOQUIUM - NOTE SPECIAL TIME OF 3:15PM: Savannah River National...

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

    to 5:30pm Colloquia MBG Auditorium COLLOQUIUM - NOTE SPECIAL TIME OF 3:15PM: Savannah River National Laboratory: Underpinning Critical National Missions Dr. Jeff Griffin...

  18. Microsoft PowerPoint - 13 DOE PM Workshop UPF Presentation revised...

    Office of Environmental Management (EM)

    3 DOE PM Workshop UPF Presentation revised - Harry Peters Compatibility Mode Microsoft PowerPoint - 13 DOE PM Workshop UPF Presentation revised - Harry Peters Compatibility...

  19. Single-sideband hybrid AM-PM signal models

    E-Print Network [OSTI]

    Painter, John H.

    demodulation reference. The doubling process, which exhibits a sharp threshold effect, is not necessary when the hybrid AM-PM signal is employed. Possibilities for future effort are Seen in combining various of the eight signals to obtain multiple data... for their valuable contributions. Single-Sideband Hybrid AM-PM Signal Models The purpose of this letter is to disclose eight unique, nontrivial models for a hybrid AM-PM signal modulated by a single sinusoid and having a one-sided frequency spectrum...

  20. Diameters of delta Cephei and eta Aquilae Measured with the Navy Prototype Optical Interferometer

    E-Print Network [OSTI]

    J. T. Armstrong; Tyler E. Nordgren; M. E. Germain; Arsen R. Hajian; R. B. Hindsley; C. A. Hummel; D. Mozurkewich; R. N. Thessin

    2000-09-25T23:59:59.000Z

    We have measured the diameters of the Cepheid variables delta Cephei (18 nights) and eta Aquilae (11 nights) with the Navy Prototype Optical Interferometer. The primary results of these observations are the mean angular diameters of these Cepheids: 1.520 +/- 0.014 milliseconds of arc (mas) for delta Cep and 1.69 +/- 0.04 mas for eta Aql. We also report limb-darkened diameters for the check stars in this program: for beta Lac, theta(LD) = 1.909 +/- 0.011 mas, and for 12 Aql, theta(LD) = 2.418 +/- 0.010 mas. When combined with radius estimates from period-radius relations in the literature, the Cepheid angular diameters suggest distances slightly smaller than, but still consistent with, the Hipparcos distances. Pulsations are weakly detected at a level of about 1.5 sigma to 2 sigma for both Cepheids.

  1. Analysis of cracking in small-diameter BWR piping. Final report

    SciTech Connect (OSTI)

    Eason, E.D.; Shusto, L.M.

    1986-01-01T23:59:59.000Z

    In BWRs, the failure rate from intergranular stress corrosion cracking is lower for small piping than for piping of more than 4-in. diameter. Moreover, for the small piping, repair costs are considerably lower, and leakage has much less impact.

  2. Example 1. An ice cream cone has diameter 2 in and is made to ...

    E-Print Network [OSTI]

    2011-09-13T23:59:59.000Z

    An ice cream cone has diameter 2 in and is made to hold 8 in3 when filled completely with ice cream so that it has a hemi-spherical top. Find the height of the ...

  3. Evaluation of Methods to Predict Weibull Parameters for Characterizing Diameter Distributions

    E-Print Network [OSTI]

    Cao, Quang V.

    and Bennett (1965) applied the beta distribu- tion to describe diameter distributions on data from old yield models for slash pine (Bennett and Clutter 1968, Bennett et al. 1978), loblolly pine (Lenhart

  4. NORTHWEST NATURALIST Tuesday Sep 25 2007 01:13 PM

    E-Print Network [OSTI]

    Johnson, Matthew

    NORTHWEST NATURALIST Tuesday Sep 25 2007 01:13 PM Allen Press · DTPro System GALLEY 147 nwnt 88_303 Mp_147 File # 03em 147 NORTHWESTERN NATURALIST 88:147­154 WINTER 2007 A COMPARISON OF GROUND

  5. Estimation of Sm-151 from measured Pm-147

    SciTech Connect (OSTI)

    Dewberry, R.A.

    1988-08-25T23:59:59.000Z

    The attached procedure is a derivation to estimate Sm-151 activity in DWPF glass product and glass melter feed samples. Sm-151 is one of the radioactive fission product species in the glass product which will contribute greater than 0.05% of the total activity, and thus its content must be reported. We will not routinely perform elemental separation of Sm from Pm in the DWPF samples as they are received, but rather will report the Sm-151 activity as a constant fraction of the measured Pm-147 activity. Since Sm-151 decays with a 76 kev ..beta..-endpoint energy and is difficult to chemically separate from Pm, the direct measurement of Sm-151 content is technically very difficult. This document derives the multiplicative constant which will be used to estimate Sm-151 content from measured Pm-147 content, and the error which will be reported for each sample. A rigorous separation of Sm from Pm will be performed on selected samples to assure that the routine DWPF samples do not contain Sm-151/Pm-147 relative activities which deviate from the relationship derived here. Since both Sm-151 and Pm-147 can both be considered to be direct fission products with no other production pathway contributing, their relative production rate can be estimated from the U-235 fission yield curve. Ignoring burnup by neutron capture in a reactor irradiation, the relative activities of the two species is a function only of the decay rates. Sm-151 activity can then be estimated from measured Pm-147 activity, if some knowledge of irradiation time and decay time is available. The attached procedure explains the derivation and discusses the error obtained in the estimation.

  6. Numerical simulation of VAWT stochastic aerodynamic loads produced by atmospheric turbauence: VAWT-SAL code

    SciTech Connect (OSTI)

    Homicz, G.F.

    1991-09-01T23:59:59.000Z

    Blade fatigue life is an important element in determining the economic viability of the Vertical-Axis Wind Turbine (VAWT). A principal source of blade fatigue is thought to be the stochastic (i.e., random) aerodynamic loads created by atmospheric turbulence. This report describes the theoretical background of the VAWT Stochastic Aerodynamic Loads (VAWT-SAL) computer code, whose purpose is to numerically simulate these random loads, given the rotor geometry, operating conditions, and assumed turbulence properties. A Double-Multiple-Stream Tube (DMST) analysis is employed to model the rotor's aerodynamic response. The analysis includes the effects of Reynolds number variations, different airfoil sections and chord lengths along the blade span, and an empirical model for dynamic stall effects. The mean ambient wind is assumed to have a shear profile which is described by either a power law or a logarithmic variation with height above ground. Superimposed on this is a full 3-D field of turbulence: i.e., in addition to random fluctuations in time, the turbulence is allowed to vary randomly in planes perpendicular to the mean wind. The influence of flow retardation on the convection of turbulence through the turbine is also modeled. Calculations are presented for the VAWT 34-m Test Bed currently in operation at Bushland, Texas. Predicted time histories of the loads, as well as their Fourier spectra, are presented and discussed. Particular emphasis is placed on the differences between so-called steady-state'' (mean wind only) predictions, and those produced with turbulence present. Somewhat surprisingly, turbulence is found to be capable of either increasing or decreasing the average output power, depending on the turbine's tip-speed ratio. A heuristic explanation for such behavior is postulated, and a simple formula is derived for predicting the magnitude of this effect without the need for a full stochastic simulation. 41 refs., 32 figs., 1 tab.

  7. Aerodynamic Models for Hurricanes II. Model of the upper hurricane layer

    E-Print Network [OSTI]

    Leonov, Arkady I

    2008-01-01T23:59:59.000Z

    This second paper of the series (see the first one in [1]) models the dynamics and structure of upper hurricane layer in adiabatic approximation. Formulation of simplified aerodynamic model allows analytically express the radial istributions of pressure and wind speed components. The vertical evolution of these distributions and hurricane structure in the layer are described by a coupled set of equations for the vertical mass flux and vertical momentum balance, averaged over the eye wall cross section. Several realistic predictions of the model are demonstrated, including the change of directions for the component of radial wind speed and angular velocity of hurricane with altitude.

  8. Variation in the aerodynamic drag coefficient due to changes in the shape of an automobile

    E-Print Network [OSTI]

    Williams, John Gilbert

    1968-01-01T23:59:59.000Z

    Air Density C HAFTER I IliiTRODUCTION During the early years of the automobile, little or no effort was made to explore the problem of aerodynamic drag. This situation was the result oi' two factors. First, the passenger cars of shat time were.... The lack of public acceptance of these cars was caused primarily by their being too evolut. 'onary in concept. Foi. lowing this experience, changes in ai tomobile shapes have tended to be more evolutionary. Experimental work, both in the laboratory...

  9. AUGUST Results 31--Ohio Christian University Circleville, OH 7:00pm scrimmage

    E-Print Network [OSTI]

    Zanesville © Newark, OH 7:00pm W 2-0 10-- Clark State Community College Newark, OH 1:00pm W 3-0 Ashland University Club 3:00pm W 2-0 Ashland University Club 5:00pm L 2-1 13-- Cincinnati Christian University Newark

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

    SciTech Connect (OSTI)

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

    2014-06-01T23:59:59.000Z

    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.

  11. WCMA AT NIGHT: Pulse of Place 5:00 p.m.9:00 p.m., Williams College Museum of Art

    E-Print Network [OSTI]

    Aalberts, Daniel P.

    international agricultural development Come with your questions about food security, poverty alleviation Schwartz, "Cows Save the Planet" 6:30 p.m.­8:00 p.m., Griffin Hall, Room 3 Agriculture causes ecological

  12. Advanced Aerodynamic Devices to Improve the Performance, Economics, Handling, and Safety of Heavy Vehicles

    SciTech Connect (OSTI)

    Robert J. Englar

    2001-05-14T23:59:59.000Z

    Research is being conducted at the Georgia Tech Research Institute (GTRI) to develop advanced aerodynamic devices to improve the performance, economics, stability, handling and safety of operation of Heavy Vehicles by using previously-developed and flight-tested pneumatic (blown) aircraft technology. Recent wind-tunnel investigations of a generic Heavy Vehicle model with blowing slots on both the leading and trailing edges of the trailer have been conducted under contract to the DOE Office of Heavy Vehicle Technologies. These experimental results show overall aerodynamic drag reductions on the Pneumatic Heavy Vehicle of 50% using only 1 psig blowing pressure in the plenums, and over 80% drag reductions if additional blowing air were available. Additionally, an increase in drag force for braking was confirmed by blowing different slots. Lift coefficient was increased for rolling resistance reduction by blowing only the top slot, while downforce was produced for traction increase by blowing only the bottom. Also, side force and yawing moment were generated on either side of the vehicle, and directional stability was restored by blowing the appropriate side slot. These experimental results and the predicted full-scale payoffs are presented in this paper, as is a discussion of additional applications to conventional commercial autos, buses, motor homes, and Sport Utility Vehicles.

  13. Aerodynamic pressure and flow-visualization measurement from a rotating wind turbine blade

    SciTech Connect (OSTI)

    Butterfield, C.P.

    1988-11-01T23:59:59.000Z

    Aerodynamic, load, flow-visualization, and inflow measurements have been made on a 10-m, three-bladed, downwind, horizontal-axis wind turbine (HAWT). A video camera mounted on the rotor was used to record nighttime and daytime video images of tufts attached to the low-pressure side of a constant-chord, zero-twist blade. Load measurements were made using strain gages mounted at every 10% of the blade's span. Pressure measurements were made at 80% of the blade's span. Pressure taps were located at 32 chordwise positions, revealing pressure distributions comparable with wind tunnel data. Inflow was measured using a vertical-plane array of eight propvane and five triaxial (U-V-W) prop-type anemometers located 10 m upwind in the predominant wind direction. One objective of this comprehensive research program was to study the effects of blade rotation on aerodynamic behavior below, near, and beyond stall. To this end, flow patterns are presented here that reveal the dynamic and steady behavior of flow conditions on the blade. Pressure distributions are compared to flow patterns and two-dimensional wind tunnel data. Separation boundary locations are shown that change as a function of spanwise location, pitch angle, and wind speed. 6 refs., 23 figs., 1 tab.

  14. Aerodynamically induced radial forces in a centrifugal gas compressor: Part 2 -- Computational investigation

    SciTech Connect (OSTI)

    Flathers, M.B.; Bache, G.E.

    1999-10-01T23:59:59.000Z

    Radial loads and direction of a centrifugal gas compressor containing a high specific speed mixed flow impeller and a single tongue volute were determined both experimentally and computationally at both design and off-design conditions. The experimental methodology was developed in conjunction with a traditional ASME PTC-10 closed-loop test to determine radial load and direction. The experimental study is detailed in Part 1 of this paper (Moore and Flathers, 1998). The computational method employs a commercially available, fully three-dimensional viscous code to analyze the impeller and the volute interaction. An uncoupled scheme was initially used where the impeller and volute were analyzed as separate models using a common vaneless diffuser geometry. The two calculations were then repeated until the boundary conditions at a chosen location in the common vaneless diffuser were nearly the same. Subsequently, a coupled scheme was used where the entire stage geometry was analyzed in one calculation, thus eliminating the need for manual iteration of the two independent calculations. In addition to radial load and direction information, this computational procedure also provided aerodynamic stage performance. The effect of impeller front face and rear face cavities was also quantified. The paper will discuss computational procedures, including grid generation and boundary conditions, as well as comparisons of the various computational schemes to experiment. The results of this study will show the limitations and benefits of Computational Fluid Dynamics (CFD) for determination of radial load, direction, and aerodynamic stage performance.

  15. Diffusive Shock Acceleration of Electrons and Radio Emission from Large Diameter Shell-Type Supernova Remnants

    E-Print Network [OSTI]

    A. I. Asvarov

    2000-01-21T23:59:59.000Z

    In present study I examine the capability of diffusive shock acceleration mechanism to explain existing data on radio emission from evolved large diameter shell-type adiabatic supernova remnants (SNRs). Time-dependent ''onion-shell'' model for the radio emission of SNRs is developed, which is based on the assumptions: a) acceleration takes place from thermal energies and test-particle approximation is valid; b) the problem of injection is avoided by introducing, like Bell (1978), two injection parameters; c) to take into consideration very late stages of SNR evolution the analytic approximation of Cox and Andersen (1982) for the shell structure is used; c)no radiative cooling. Constructed Surface Brightness - Diameter $(\\Sigma -D)$ tracks are compared with the empirical $\\Sigma -D$ diagram. The main conclusion of the study is that the DSA mechanism is capable of explaining all the statistics of radio SNRs including very large diameter remnants and giant galactic loops.

  16. FORTRAN algorithm for correcting normal resistivity logs for borehold diameter and mud resistivity

    SciTech Connect (OSTI)

    Scott, J H

    1983-01-01T23:59:59.000Z

    The FORTRAN algorithm described was developed for applying corrections to normal resistivity logs of any electrode spacing for the effects of drilling mud of known resistivity in boreholes of variable diameter. The corrections are based on Schlumberger departure curves that are applicable to normal logs made with a standard Schlumberger electric logging probe with an electrode diameter of 8.5 cm (3.35 in). The FORTRAN algorithm has been generalized to accommodate logs made with other probes with different electrode diameters. Two simplifying assumptions used by Schlumberger in developing the departure curves also apply to the algorithm: (1) bed thickness is assumed to be infinite (at least 10 times larger than the electrode spacing), and (2) invasion of drilling mud into the formation is assumed to be negligible.

  17. Evolution of laser-produced Sn extreme ultraviolet source diameter for high-brightness source

    SciTech Connect (OSTI)

    Roy, Amitava, E-mail: roy@fzu.cz, E-mail: aroy@barc.gov.in [Department of Advanced Interdisciplinary Sciences, Center for Optical Research and Education (CORE), Utsunomiya University, Utsunomiya, Tochigi 321-8585 (Japan); HiLASE Centre, Institute of Physics ASCR, v.v.i., Za Radnicí 828, 25241 Dolní B?ežany (Czech Republic); Arai, Goki; Hara, Hiroyuki; Higashiguchi, Takeshi, E-mail: higashi@cc.utsunomiya-u.ac.jp [Department of Advanced Interdisciplinary Sciences, Center for Optical Research and Education (CORE), Utsunomiya University, Utsunomiya, Tochigi 321-8585 (Japan); Ohashi, Hayato [Graduate School of Science and Engineering for Research, University of Toyama, Toyama, Toyama 930-8555 (Japan); Sunahara, Atsushi [Institute for Laser Technology, 2-6 Yamada-oka, Suita, Osaka 565-0871 (Japan); Li, Bowen [School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000 (China); School of Physics, University College Dublin, Belfield, Dublin 4 (Ireland); Dunne, Padraig; O'Sullivan, Gerry [School of Physics, University College Dublin, Belfield, Dublin 4 (Ireland); Miura, Taisuke; Mocek, Tomas; Endo, Akira [HiLASE Centre, Institute of Physics ASCR, v.v.i., Za Radnicí 828, 25241 Dolní B?ežany (Czech Republic)

    2014-08-18T23:59:59.000Z

    We have investigated the effect of irradiation of solid Sn targets with laser pulses of sub-ns duration and sub-mJ energy on the diameter of the extreme ultraviolet (EUV) emitting region and source conversion efficiency. It was found that an in-band EUV source diameter as low as 18??m was produced due to the short scale length of a plasma produced by a sub-ns laser. Most of the EUV emission occurs in a narrow region with a plasma density close to the critical density value. Such EUV sources are suitable for high brightness and high repetition rate metrology applications.

  18. Using image processing to measure tree crown diameters and estimate percent crown closure

    E-Print Network [OSTI]

    Gabriel, Darren Kyle

    1994-01-01T23:59:59.000Z

    Table 3 Table 4 Table 5 Table 6 Table 7 DISCUSSION AND CONCLUSIONS 13 16 18 19 19 20 21 21 23 23 24 24 27 28 30 31 33 35 FUTURE STUDY REFERENCES APPENDIX A APPENDIX B VITA Page 40 80 82 LIST OF TABLES Page TABLE 1 CROWN... AND CONVERSIONS USING THE RETICLE AND COMPUTER METHODS FOR STAND 13 72 TABLE 21. CROWN DIAMETER MEASURES AND CONVERSIONS USING THE RETICLE AND COMPUTER METHODS FOR STAND 14 TABLE 22. CROWN DIAMETER MEASURES AND CONVERSIONS USING THE RETICLE AND COMPUTER...

  19. Structure of Nup58/45 Suggests Flexible Nuclear Pore Diameter by Intermolecular Sliding

    SciTech Connect (OSTI)

    Melcak,I.; Hoelz, A.; Blobel, G.

    2007-01-01T23:59:59.000Z

    The nucleoporins Nup58 and Nup45 are part of the central transport channel of the nuclear pore complex, which is thought to have a flexible diameter. In the crystal structure of an {alpha}-helical region of mammalian Nup58/45, we identified distinct tetramers, each consisting of two antiparallel hairpin dimers. The intradimeric interface is hydrophobic, whereas dimer-dimer association occurs through large hydrophilic residues. These residues are laterally displaced in various tetramer conformations, which suggests an intermolecular sliding by 11 angstroms. We propose that circumferential sliding plays a role in adjusting the diameter of the central transport channel.

  20. Evidence for Electroweak Production of $W^{\\pm}W^{\\pm}jj$ in $pp$ Collisions at $\\sqrt{s}=8$ TeV with the ATLAS Detector

    E-Print Network [OSTI]

    ATLAS Collaboration

    2014-10-21T23:59:59.000Z

    This Letter presents the first study of $W^{\\pm}W^{\\pm}jj$, same-electric-charge diboson production in association with two jets, using 20.3 fb$^{-1}$ of proton--proton collision data at $\\sqrt{s}=8$ TeV recorded by the ATLAS detector at the Large Hadron Collider. Events with two reconstructed same-charge leptons ($e^\\pm e^\\pm$, $e^\\pm \\mu^\\pm$, and $\\mu^\\pm \\mu^\\pm$) and two or more jets are analyzed. Production cross sections are measured in two fiducial regions, with different sensitivities to the electroweak and strong production mechanisms. First evidence for $W^{\\pm}W^{\\pm}jj$ production and electroweak-only $W^{\\pm}W^{\\pm}jj$ production is observed with a significance of $4.5$ and $3.6$ standard deviations respectively. The measured production cross sections are in agreement with Standard Model predictions. Limits at 95% confidence level are set on anomalous quartic gauge couplings.

  1. 12:30 -12:45 p.m. Check-in and greetings 12:45 -12:55 p.m. Welcome and Announcements

    E-Print Network [OSTI]

    de Lijser, Peter

    :30 - 12:45 p.m. Check-in and greetings __________________________________________________________________________________________________ 12:45 - 12:55 p.m. Welcome and Announcements Vivek Mande California State University, Fullerton __________________________________________________________________________________________________ 1:00 - 1:40 p.m. Invited presentation Robert Knechel

  2. AMBIENT PM2.5 SAMPLING AND ANALYSIS

    SciTech Connect (OSTI)

    Unknown

    2001-10-31T23:59:59.000Z

    This interim report summarizes detailed findings and conclusions drawn from evaluations of data obtained from the operation of ambient PM{sub 2.5} speciation sites in a geographical area encompassing southeastern Ohio, western Pennsylvania and northwestern West Virginia. The overall goal of this program, called the Upper Ohio River Valley Project (UORVP), is to better understand the relationship between coal-based power system emissions and ambient air quality in the Upper Ohio River Valley region through the collection of chemically resolved or speciated data. A summary of the sampling activities, sample analyses and the correlation and interpretation of data acquired from February 1999 through March of 2001 are reported. Mass and speciated data from urban and rural sources are compared and seasonal variations in PM{sub 2.5} distribution are also examined. Correlations between meteorological parameters and total PM{sub 2.5} mass are also presented.

  3. AMBIENT PM2.5 SAMPLING AND ANALYSIS

    SciTech Connect (OSTI)

    Unknown

    2002-10-31T23:59:59.000Z

    This interim report summarizes detailed findings and conclusions drawn from evaluations of data obtained from the operation of ambient PM{sub 2.5} speciation sites in a geographical area encompassing southeastern Ohio, western Pennsylvania and northwestern West Virginia. The overall goal of this program, called the Upper Ohio River Valley Project (UORVP), is to better understand the relationship between coal-based power system emissions and ambient air quality in the Upper Ohio River Valley region through the collection of chemically resolved or speciated data. A summary of the sampling activities, sample analyses and the correlation and interpretation of data acquired from February 1999 through March of 2001 are reported. Mass and speciated data from urban and rural sources are compared and seasonal variations in PM{sub 2.5} distribution are also examined. Correlations between meteorological parameters and total PM{sub 2.5} mass are also presented.

  4. Sparkr Blade Test Centre Wind turbines with a rotor diameter exceed-

    E-Print Network [OSTI]

    Sparkær Blade Test Centre Wind turbines with a rotor diameter exceed- ing 2 metres must have a type of a wind turbine. Failure of a rotor blade in service often involves damage of the entire turbine operating type cer- tification systems for wind turbines. Reg. no. 427 The Sparkær Blade Test Centre became

  5. Instability of condensate lm and capillary blocking in small-diameter-thermosyphon condensers

    E-Print Network [OSTI]

    Zhao, Tianshou

    . Teng, P. Cheng*, T.S. Zhao Department of Mechanical Engineering, The Hong Kong University of Science, such as air-conditioning, refriger- ation, and heat-pipe condensers, etc. The concurrent two be encountered in both concurrent and countercurrent condensers. In large-diameter (either concurrent

  6. Production of vertical arrays of small diameter single-walled carbon nanotubes

    DOE Patents [OSTI]

    Hauge, Robert H; Xu, Ya-Qiong

    2013-08-13T23:59:59.000Z

    A hot filament chemical vapor deposition method has been developed to grow at least one vertical single-walled carbon nanotube (SWNT). In general, various embodiments of the present invention disclose novel processes for growing and/or producing enhanced nanotube carpets with decreased diameters as compared to the prior art.

  7. The Variability of LateType Stars' Diameters Measured Using MidInfrared Interferometry

    E-Print Network [OSTI]

    California at Berkeley, University of

    in temperature within the star are exaggerated in the visible and a non­uniform intensity distribution to the diameter of a main­sequence star like the sun. The sun is observed to be a bright circular disk with a well several hundred times that of the sun, with comparable masses in some cases. As a consequence

  8. Measuring the Solar Diameter with a Michelson Radio Interferometer 1. Scientific Background

    E-Print Network [OSTI]

    Metchev, Stanimir

    3, M4, mirrors; a, 100-inch paraboloidal primary mirror; b convex secondary mirror; c, coud´e flatMeasuring the Solar Diameter with a Michelson Radio Interferometer 1. Scientific Background pick-off mirror; d, focus. Figures from Michelson & Pease (1921). A work-around the diffraction

  9. Anomalous diameter dependence of thermal transport in ultra-narrow Si nanowires

    SciTech Connect (OSTI)

    Karamitaheri, Hossein, E-mail: karami@iue.tuwien.ac.at [Institute for Microelectronics, TU Wien, Gußhausstraße 27-29/E360, A-1040 Wien (Austria); Department of Electrical Engineering, University of Kashan, Kashan, 87317-51167 (Iran, Islamic Republic of); Neophytou, Neophytos, E-mail: neophytou@iue.tuwien.ac.at [Institute for Microelectronics, TU Wien, Gußhausstraße 27-29/E360, A-1040 Wien (Austria); School of Engineering, University of Warwick, Coventry CV4 7AL (United Kingdom); Kosina, Hans, E-mail: kosina@iue.tuwien.ac.at [Institute for Microelectronics, TU Wien, Gußhausstraße 27-29/E360, A-1040 Wien (Austria)

    2014-01-14T23:59:59.000Z

    We present atomistic valence force field calculations of thermal transport in Si nanowires of diameters from 12?nm down to 1?nm. We show that as the diameter is reduced, the phonon density-of-states and transmission function acquire a finite value at low frequency, in contrast to approaching zero as in the bulk material. It turns out that this effect results in what Ziman described as the “problem of long longitudinal waves” [J. M. Ziman, Electrons and Phonons: The Theory of Transport Phenomena in Solids (Clarendon, Oxford, 1962)], which states that the thermal conductivity of a material increases as its length is increased due to the vanishing scattering for long-wavelength phonons. We show that this thermal transport improvement also appears in nanowires as their diameter is decreased below D?=?5?nm (not only as the length increases), originating from the increase in the density of the long wavevector modes. The observation is present under ballistic transport conditions, and further enhanced with the introduction of phonon-phonon scattering. Because of this, in such ultra-narrow nanowires, as the diameter is reduced, phonon transport is dominated more and more by lower energy phonons with longer mean-free paths. We show that ?80% of the heat is carried by phonons with energies less than 5?meV, most with mean-free paths of several hundreds of nanometers.

  10. Reversible diameter modulation of single-walled carbon nanotubes by acetonitrile-containing

    E-Print Network [OSTI]

    Maruyama, Shigeo

    Reversible diameter modulation of single-walled carbon nanotubes by acetonitrile)3 5800 6983 Abstract Changing the carbon feedstock from pure ethanol to a 5 vol.% mixture of acetonitrile for a feedstock containing 5 volume percent (5 vol.%) acetonitrile in ethanol.18­20 This change was observed

  11. Diameter controlled CVD growth of nitrogen-incorporated single-walled carbon nanotubes

    E-Print Network [OSTI]

    Maruyama, Shigeo

    acetonitrile (AcN)- mixed ethanol (EtOH) feedstock, the SWNT mean diameter was dramatically reduced as Ac was reversible upon the sequence of feedstock introduction. By using 15N isotope of acetonitrile, the catalytic decomposition of acetonitrile in the initial reaction step was studied [5]. The initial decomposition process

  12. Aerodynamic Analysis of Intermodal Freight Trains Using Machine Vision World Congress on Railway Research, May 22-26, 2011

    E-Print Network [OSTI]

    Illinois at Urbana-Champaign, University of

    train loading can be more energy efficient. #12; 2 1.0 Introduction One of the largest sources for North American freight railroads and has experienced considerable growth over the past few decades developed to automatically monitor and analyze an intermodal train's aerodynamic efficiency based

  13. Class Title Instructor Day Start Stop Instructor Class ENG EC311 A1 Intr Log Design Karpovsky Mon,Wed 12:00pm 2:00pm Bellotti ENG EC575 A1

    E-Print Network [OSTI]

    Vlsi Cir Des Hubbard Mon,Wed 12:00pm 2:00pm Knepper ENG EC582 A1 ENG EC573 A1 Solar Enrgy Sys Mazumder Mon,Wed 12:00pm 2:00pm Konrad ENG EC720 A1 ENG EC573 DL Solar Enrgy Sys Mazumder Mon,Wed 12:00pm 2

  14. A Peltier cooling system for SiPM temperature stabilization

    E-Print Network [OSTI]

    Hebbeker, Thomas

    A Peltier cooling system for SiPM temperature stabilization von Simon Nieswand Bachelorarbeit außen thermisch isolierten Kupferblockes einzulassen, an welchen ein Peltier-Element angebracht wird. Um das System zu automatisieren, werden der Temperatursensor und die Stromquelle des Peltier- Elements

  15. April 25, 3.15 pm Paterskerk, Eindhoven

    E-Print Network [OSTI]

    Franssen, Michael

    April 25, 3.15 pm Paterskerk, Eindhoven Dies Natalis Visiting Address Den Dolech 2 5612 AZ Eindhoven The Netherlands Postal Address P.O. Box 513 5600 MB Eindhoven The Netherlands Phone. +31 (0)40 247 of the Executive Board of Eindhoven University of Technology it is my pleasure to invite you to attend the formal

  16. Viewpoints, Outlook Nov. 22, 2007, 7:35PM

    E-Print Network [OSTI]

    Valero-Cuevas, Francisco

    Viewpoints, Outlook Nov. 22, 2007, 7:35PM $100 oil means it's time for the Sputnik treatment Energy for the world. In a welcome sign, Congress recently handled energy in a refreshingly high-minded way when and population densities were low, we could slide. But we live in an increasingly energy-hungry world

  17. WWU Sustainability Academy 4PM, Wednesday, December 3, CF 125

    E-Print Network [OSTI]

    Zaferatos, Nicholas C.

    WWU Sustainability Academy 4PM, Wednesday, December 3, CF 125 Agenda 1. WWU Sustainability Academy Sustainability Courses at WWU ­ Gene Myers 4. Existing Sustainability Prototype Programs at WWU ­ Arunas Oslapas faculty member in the Sustainability Academy · 25 Yes · 6 Not sure Anonymous surveyors: · 7 Not sure · 1

  18. WWU Sustainability Academy 4PM, Wednesday, December 3, CF 125

    E-Print Network [OSTI]

    Zaferatos, Nicholas C.

    WWU Sustainability Academy 4PM, Wednesday, December 3, CF 125 Draft Agenda 1. Welcome ­ Facilitators panel 2. Establishing a WWU Sustainability Academy Responses to Survey Questionnaire What the WWU Sustainability Academy can do Advocating for sustainability studies at WWU 3. The Existing

  19. Global Political Economy Wednesdays 5:30-8:10 PM

    E-Print Network [OSTI]

    Lin, Xiaodong

    Global Political Economy Fall 2012 Wednesdays 5:30-8:10 PM Ajai Gaur Room 1098, 1 Washington Park This course offers a global perspective on long term change in the world economy, and the interaction between imbalances and protectionism, foreign direct investment and the role of MNCs in the global economy. The role

  20. Validation Testing for the PM-PEMS Measurement Allowance Program

    E-Print Network [OSTI]

    Johnson, K; Durbin, T; Jung, H; Cocker III, D R; Khan, M Y

    2010-01-01T23:59:59.000Z

    non- regeneration 50 th percentile bsPM emissions for thehp-h, with a 5 th and 95 th percentile of 11 and 43 mg/hp-h,and 3 where the 50 th percentiles were 18, 26, and 25 mg/hp-

  1. College of Medicine PM Preventive Medicine and Environmental Health

    E-Print Network [OSTI]

    MacAdam, Keith

    . (Same as SPH 611.) PM 661 INDUSTRIAL HYGIENE SAMPLING. (3) Thiscourse,usinglecturesandlaboratoryexercises,willcoversamplingandanalysistechniquesforindustrialhygieneassessmentand monitoring. The laboratory experiments are intended to simulate typical industrial hygiene measurement PRACTICUM IN ADVANCED INDUSTRIAL HYGIENE. (1-3) In this individual tutorial/internship course, the student

  2. Effect of catalyst diameter on vapour-liquid-solid growth of GaAs nanowires

    SciTech Connect (OSTI)

    O'Dowd, B. J., E-mail: odowdbj@tcd.ie; Shvets, I. V. [CRANN, School of Physics, Trinity College, the University of Dublin, Dublin D2 (Ireland); Wojtowicz, T.; Kolkovsky, V.; Wojciechowski, T.; Zgirski, M. [Institute of Physics, Polish Academy of Sciences, Warsaw 02-668 (Poland); Rouvimov, S. [Notre Dame Integrated Imaging Facility (NDIIF), University of Notre Dame, Notre Dame, Indiana 46556 (United States); Liu, X.; Pimpinella, R.; Dobrowolska, M.; Furdyna, J. [Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556 (United States)

    2014-08-14T23:59:59.000Z

    GaAs nanowires were grown on (111)B GaAs substrates using the vapour-liquid-solid mechanism. The Au/Pt nanodots used to catalyse wire growth were defined lithographically and had varying diameter and separation. An in-depth statistical analysis of the resulting nanowires, which had a cone-like shape, was carried out. This revealed that there were two categories of nanowire present, with differing height and tapering angle. The bimodal nature of wire shape was found to depend critically on the diameter of the Au-Ga droplet atop the nanowire. Transmission electron microscopy analysis also revealed that the density of stacking faults in the wires varied considerably between the two categories of wire. It is believed that the cause of the distinction in terms of shape and crystal structure is related to the contact angle between the droplet and the solid-liquid interface. The dependency of droplet diameter on contact angle is likely related to line-tension, which is a correction to Young's equation for the contact angle of a droplet upon a surface. The fact that contact angle may influence resulting wire structure and shape has important implications for the planning of growth conditions and the preparation of wires for use in proposed devices.

  3. Library Monday -Thursday Friday Saturday Lied Library 7:30 a.m. -Midnight 7:30 a.m. -7 p.m. 9 a.m. -6 p.m.

    E-Print Network [OSTI]

    Hemmers, Oliver

    Library Monday - Thursday Friday Saturday Lied Library 7:30 a.m. - Midnight 7:30 a.m. - 7 p.m. 9 a.m. - 6 p.m. Lied Library - Special Collections 9 a.m. - 7 p.m. 9 a.m. - 5 p.m. Closed Architecture Studies Library (ASL) 9 a.m. - 9 p.m. 9 a.m. - 5 p.m. Closed Curriculum Materials Library (CML) 8 a.m. - 8

  4. Combining Biodiesel and EGR for Low-Temperature NOx and PM Reductions...

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

    Biodiesel and EGR for Low-Temperature NOx and PM Reductions Combining Biodiesel and EGR for Low-Temperature NOx and PM Reductions Poster presentation at the 2007 Diesel...

  5. Effect of Engine-Out NOx Control Strategies on PM Size Distribution...

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

    Engine-Out NOx Control Strategies on PM Size Distribution in Heavy-Duty Diesel Engines Developed for 2010 Effect of Engine-Out NOx Control Strategies on PM Size Distribution in...

  6. Sport Days/Times Location League Options Sun: 7-11pm

    E-Print Network [OSTI]

    Singh, Jaswinder Pal

    Courts 2 & 3 Mens, CoRec Ice Hockey Mon-Wed: 9:30-11:30pm Baker Rink Open Indoor Soccer Sun: 7-11pm Mon

  7. Reflecting the Revised PM 2.5 National Ambient Air Quality Standard...

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

    Reflecting the Revised PM 2.5 National Ambient Air Quality Standard in NEPA Evaluations Reflecting the Revised PM 2.5 National Ambient Air Quality Standard in NEPA Evaluations This...

  8. Characterizing the In-Use Emissions Performance of Novel PM and...

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

    the In-Use Emissions Performance of Novel PM and NOx Control Technologies on Diesel Construction Equipment Characterizing the In-Use Emissions Performance of Novel PM and NOx...

  9. Test, Evaluation, and Demonstration of Practical Devices/Systems to Reduce Aerodynamic Drag of Tractor/Semitrailer Combination Unit Trucks

    SciTech Connect (OSTI)

    Scott Smith; Karla Younessi; Matt Markstaller; Dan Schlesinger; Bhaskar Bhatnagar; Donald Smith; Bruno Banceu; Ron Schoon; V.K. Sharma; Mark Kachmarsky; Srikant Ghantae; Michael Sorrels; Conal Deedy; Justin Clark; Skip Yeakel; Michael D. Laughlin; Charlotte Seigler; Sidney Diamond

    2007-04-30T23:59:59.000Z

    Class 8 heavy-duty trucks account for over three-quarters of the total diesel fuel used by commercial trucks (trucks with GVWRs more than 10,000 pounds) in the United States each year. At the highway speeds at which these trucks travel (i.e., 60 mph or greater), aerodynamic drag is a major part of total horsepower needed to move the truck down the highway, Reductions in aerodynamic drag can yield measurable benefits in fuel economy through the use of relatively inexpensive and simple devices. The goal of this project was to examine a number of aerodynamic drag reduction devices and systems and determine their effectiveness in reducing aerodynamic drag of Class 8 tractor/semitrailer combination-units, thus contributing to DOE's goal of reducing transportation petroleum use. The project team included major heavy truck manufacturers in the United States, along with the management and industry expertise of the Truck Manufacturers Association as the lead investigative organization. The Truck Manufacturers Association (TMA) is the national trade association representing the major North American manufacturers of Class 6-8 trucks (GVWRs over 19,500 lbs). Four major truck manufacturers participated in this project with TMA: Freightliner LLC; International Truck and Engine Corporation; Mack Trucks Inc.; and Volvo Trucks North America, Inc. Together, these manufacturers represent over three-quarters of total Class 8 truck sales in the United States. These four manufacturers pursued complementary research efforts as part of this project. The project work was separated into two phases conducted over a two-year period. In Phase I, candidate aerodynamic devices and systems were screened to focus research and development attention on devices that offered the most potential. This was accomplished using full-size vehicle tests, scale model tests, and computational fluid dynamics analyses. In Phase II, the most promising devices were installed on full-size trucks and their effect on fuel economy was determined, either through on-road testing or full-size wind tunnel testing. All of the manufacturers worked with devices and systems that offer practical solutions to reduce aerodynamic drag, accounting for functionality, durability, cost effectiveness, reliability, and maintainability. The project team members and their roles and responsibilities are shown in Figure 2-1. Figure 2-2 shows the Phase I and II project schedules for all four projects and associated management activities.

  10. Plant Pathology (Geneva) Seminars FALL 2013 All Seminars--3:30 PM (Coffee @ 3:00)

    E-Print Network [OSTI]

    Lazzaro, Brian

    , fruit composition, and leaching of agrochemicals in a Finger Lakes vineyard December 4 12:20 PM Bruce Mc

  11. #LabChat Q&A: Biofuels of the Future, Sept. 26 at 2 pm EDT |...

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

    LabChat Q&A: Biofuels of the Future, Sept. 26 at 2 pm EDT LabChat Q&A: Biofuels of the Future, Sept. 26 at 2 pm EDT September 25, 2012 - 1:23pm Addthis Great Lakes Bioenergy...

  12. Advanced Electric Systems and Aerodynamics for Efficiency Improvements in Heavy Duty Trucks

    SciTech Connect (OSTI)

    Larry Slone; Jeffrey Birkel

    2007-10-31T23:59:59.000Z

    The Advanced Electric Systems and Aerodynamics for Efficiency Improvements in Heavy Duty Trucks program (DE-FC26-04NT42189), commonly referred to as the AES program, focused on areas that will primarily benefit fuel economy and improve heat rejection while driving over the road. The AES program objectives were to: (1) Analyze, design, build, and test a cooling system that provided a minimum of 10 percent greater heat rejection in the same frontal area with no increase in parasitic fan load. (2) Realize fuel savings with advanced power management and acceleration assist by utilizing an integrated starter/generator (ISG) and energy storage devices. (3) Quantify the effect of aerodynamic drag due to the frontal shape mandated by the area required for the cooling system. The program effort consisted of modeling and designing components for optimum fuel efficiency, completing fabrication of necessary components, integrating these components into the chassis test bed, completing controls programming, and performance testing the system both on a chassis dynamometer and on the road. Emission control measures for heavy-duty engines have resulted in increased engine heat loads, thus introducing added parasitic engine cooling loads. Truck electrification, in the form of thermal management, offers technological solutions to mitigate or even neutralize the effects of this trend. Thermal control offers opportunities to avoid increases in cooling system frontal area and forestall reduced fuel economy brought about by additional aerodynamic vehicle drag. This project explored such thermal concepts by installing a 2007 engine that is compliant with current regulations and bears additional heat rejection associated with meeting these regulations. This newer engine replaced the 2002 engine from a previous project that generated less heat rejection. Advanced power management, utilizing a continuously optimized and controlled power flow between electric components, can offer additional fuel economy benefits to the heavy-duty trucking industry. Control software for power management brings added value to the power distribution and energy storage architecture on board a truck with electric accessories and an ISG. The research team has built upon a previous truck electrification project, formally, 'Parasitic Energy Loss Reduction and Enabling Technologies for Class 7/8 Trucks', DE-FC04-2000AL6701, where the fundamental concept of electrically-driven accessories replacing belt/gear-driven accessories was demonstrated on a Kenworth T2000 truck chassis. The electrical accessories, shown in Figure 1, were controlled to provide 'flow on demand' variable-speed operation and reduced parasitic engine loads for increased fuel economy. These accessories also provided solutions for main engine idle reduction in long haul trucks. The components and systems of the current project have been integrated into the same Kenworth T2000 truck platform. Reducing parasitic engine loading by decoupling accessory loads from the engine and driving them electrically has been a central concept of this project. Belt or gear-driven engine accessories, such as water pump, air conditioning compressor, or air compressor, are necessarily tied to the engine speed dictated by the current vehicle operating conditions. These conventional accessory pumps are sized to provide adequate flow or pressure at low idle or peak torque speeds, resulting in excess flow or pressure at cruising or rated speeds. The excess flow is diverted through a pressure-minimizing device such as a relief valve thereby expending energy to drive unnecessary and inefficient pump operation. This inefficiency causes an increased parasitic load to the engine, which leads to a loss of usable output power and decreased fuel economy. Controlling variable-speed electric motors to provide only the required flow or pressure of a particular accessory system can yield significant increases in fuel economy for a commercial vehicle. Motor loads at relatively high power levels (1-5 kW, or higher) can be efficiently provided

  13. Spray drift collector efficiency: Assessment of deposition on 2 mm diameter PVC line in a wind tunnel

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Spray drift collector efficiency: Assessment of deposition on 2 mm diameter PVC line in a wind and Miller and Hadfield, 1989) and to trap it on passive collectors. This method is cheap and easy to set-up but the efficiency of the collectors has to be evaluated. The cylindrical collectors with a diameter of 2 mm

  14. A diameter distribution model for even-aged beech in Denmark Thomas Nord-Larsen a,*, Quang V. Cao b

    E-Print Network [OSTI]

    Cao, Quang V.

    A diameter distribution model for even-aged beech in Denmark Thomas Nord-Larsen a,*, Quang V. Cao b 2006 Abstract We developed a diameter distribution model for even-aged stands of European beech in Denmark using the Weibull distribution. The model parameters were estimated using a large dataset from

  15. Machine imparting complex rotary motion for lapping a spherical inner diameter

    DOE Patents [OSTI]

    Carroll, T.A.; Yetter, H.H.

    1985-01-30T23:59:59.000Z

    An apparatus for imparting complex rotary motion is used to lap an inner spherical diameter surface of a workpiece. A lapping tool consists of a dome and rod mounted along the dome's vertical axis. The workpiece containing the lapping tool is held in a gimbal which uses power derived from a secondary takeoff means to impart rotary motion about a horizontal axis. The gimbal is rotated about a vertical axis by a take means while mounted at a radially outward position on a rotating arm.

  16. Ultra-sensitive surface absorption spectroscopy using sub-wavelength diameter optical fibers

    E-Print Network [OSTI]

    F. Warken; E. Vetsch; D. Meschede; M. Sokolowski; A. Rauschenbeutel

    2007-06-22T23:59:59.000Z

    The guided modes of sub-wavelength diameter air-clad optical fibers exhibit a pronounced evanescent field. The absorption of particles on the fiber surface is therefore readily detected via the fiber transmission. We show that the resulting absorption for a given surface coverage can be orders of magnitude higher than for conventional surface spectroscopy. As a demonstration, we present measurements on sub-monolayers of 3,4,9,10-perylene-tetracarboxylic dianhydride (PTCDA) molecules at ambient conditions, revealing the agglomeration dynamics on a second to minutes timescale.

  17. Air pollution studies in terms of PM2.5, PM2.5-10, PM10, lead and black carbon in urban areas of Antananarivo - Madagascar

    E-Print Network [OSTI]

    Rasoazanany, E O; Ravoson, H N; Andriambololona, Raoelina; Randriamanivo, L V; Ramaherison, H; Ahmed, H; Harinoely, M

    2012-01-01T23:59:59.000Z

    Atmospheric aerosols or particulate matters are chemically complex and dynamic mixtures of solid and liquid particles. Sources of particulate matters include both natural and anthropogenic processes. The present work consists in determining the concentrations of existing elements in the aerosols collected in Andravoahangy and in Ambodin'Isotry in Antananarivo city (Madagascar). The size distribution of these elements and their main sources are also studied. The Total Reflection X-Ray Fluorescence spectrometer is used for the qualitative and quantitative analyses. The results show that the concentrations of the airborne particulate matters PM2.5-10 are higher than those of PM2.5. The identified elements in the aerosol samples are Ti, Cr, Mn, Fe, Ni, Cu, Zn, Br, Sr and Pb. The average concentrations of these elements are also higher in the coarse particles than in the fine particles. The calculation of the enrichment factors by Mason's model shows that Cr, Ni, Cu, Zn, Br and Pb are of anthropogenic origins. The...

  18. Inflow Characterization and Aerodynamics Measurements on a SWT-2.3-101 Wind Turbine

    SciTech Connect (OSTI)

    Medina, P.; Singh, M.; Johansen, J.; Jove, A. R.; Fingersh, L.; Schreck, S.

    2012-01-01T23:59:59.000Z

    Post processing techniques for aerodynamic data acquired from a Siemens SWT-2.3101 turbine have been developed and applied in this paper. The turbine is installed at the National Wind Technology Center (NWTC) as part of Cooperative Research and Development Agreement between Siemens Wind Power and the National Renewable Energy Laboratory (NREL) under U.S. Department of Energy (DOE) sponsorship. The results indicate that the use of these corrections is essential for accurate analysis of the data. An example of local inflow angles, velocities, and inflow velocity over the rotor plane derived from measurements from a 5-hole probe is also presented. Finally, the pressure measurements are used to characterize unsteady phenomenon, namely, rotational augmentation and dynamic stall on an inboard station. The results show that the rotational augmentation can considerably increase the attached flow regime compared to the 2D Computational Fluid Dynamics (CFD) results. The dynamic stall event was seen to significantly delay the stall. Furthermore, the non-dimensionalized vortex convection derived from the dynamic stall event was found to agree well with results from others studies.

  19. Inflow Characterization and Aerodynamics Measurements on a SWT-2.3-101 Wind Turbine: Preprint

    SciTech Connect (OSTI)

    Medina, P.; Singh, M.; Johansen, J.; Jove, A.; Fingersh, L.; Schreck, S.

    2012-01-01T23:59:59.000Z

    Post processing techniques for aerodynamic data acquired from a Siemens SWT-2.3-101 turbine have been developed and applied in this paper. The turbine is installed at the National Wind Technology Center (NWTC) as part of Cooperative Research And Development Agreement between Siemens Wind Power and the National Renewable Energy Laboratory (NREL) under U.S. Department of Energy (DOE) sponsorship. The results indicate that the use of these corrections is essential for accurate analysis of the data. An example of local inflow angles, velocities, and inflow velocity over the rotor plane derived from measurements from a 5-hole probe is also presented. Finally the pressure measurements are used to characterize unsteady phenomenon, namely, rotational augmentation and dynamic stall on an inboard station. The results show that the rotational augmentation can considerably increase the attached flow regime compared to the 2D CFD results. The dynamic stall event was seen to significantly delay the stall. Furthermore, the nondimensionalized vortex convection derived from the dynamic stall event was found to agree well with results from others studies.

  20. Preliminary Measurements From A New Flat Plate Facility For Aerodynamic Research

    SciTech Connect (OSTI)

    D. M. McEligot; D. W. Nigg; E. J. Walsh; D. Hernon; M.R.D. Davies

    2005-03-01T23:59:59.000Z

    This paper details the design and preliminary measurements used in the characterisation of a new flat plate research facility. The facility is designed specifically to aid in the understanding of entropy generation throughout the boundary layer with special attention given to non-equilibrium flows. Hot-wire measurements were obtained downstream of two turbulence generating grids. The turbulence intensity, integral and dissipation length scale ranges measured are 1.6%-7%, 5mm-17mm and 0.7mm-7mm, respectively. These values compared well to existing correlations. The flow downstream of both grids was found to be homogenous and isotropic. Flow visualisation is employed to determine aerodynamic parameters such as flow 2-dimensionality and the effect of the flap angle on preventing separation at the leading edge. The flow was found to be 2-dimensional over all measurement planes. The non-dimensional pressure distribution of a modern turbine blade suction surface is simulated on the flat plate through the use of a variable upper wall. The Reynolds number range based on wetted plate length and inlet velocity is 70,000-4,000,000.

  1. Library Monday -Thursday Friday Saturday Lied Library 7:30 a.m. -Midnight 7:30 a.m. -7 p.m. 9 a.m. -6 p.m.

    E-Print Network [OSTI]

    Hemmers, Oliver

    Library Monday - Thursday Friday Saturday Lied Library 7:30 a.m. - Midnight 7:30 a.m. - 7 p.m. 9 a.m. - 6 p.m. Lied Library - Special Collections 9a.m. -7 p.m. 9 a.m. - 5 p.m. Closed Architecture Studies Library (ASL) 9 a.m. - 9 p.m. 9 a.m. - 5 p.m. Closed Curriculum Materials Library (CML) 8 a.m. - 8 p.m. 8

  2. Representative Syllabus for P140 Prof. Sandra Shapshay P140 M/W 11:15pm-12:05pm Woodburn Hall 009

    E-Print Network [OSTI]

    Indiana University

    Representative Syllabus for P140 Prof. Sandra Shapshay P140 M/W 11:15pm-12:05pm Woodburn Hall 009-10:30am, SY 021 Syllabus: P140 Introduction to Ethics Welcome to Introduction to Ethics. This is a lecture

  3. Performance analysis of the cascade impactor, the federal reference method PM 2.5 sampler, and the improve PM 2.5 sampler

    E-Print Network [OSTI]

    Buch, Usha-Maria

    1999-01-01T23:59:59.000Z

    for the collection media: PL, plastic; AL, aluminum and 0 indicates that the media was oiled. GLYCEROL AZ ROAD DUE 7-renturl PL OPL PLYA 4/Orsnturperolone OPL PL OAL AL supe users mlnnel sees Wonp Perronnenoe CC pm CC Psrformenoe CC CC CC CC pm p=1...

  4. 2014 8 22 4:00PM-5:00PM Title: "Exploration of the Higgs boson and the Physics case for the Large Hadron Electron

    E-Print Network [OSTI]

    Wang, Yayu

    2014 8 22 4:00PM-5:00PM Title: "Exploration of the Higgs boson and the Physics case for the Large Hadron Electron Collider" Abstract: With the discovery of a Higgs boson at the Large Hadron) Prof. Mellado is an expert on the Higgs boson ­ a sub-atomic particle that is thought to give matter

  5. 5:00 6:00 p.m.: Displays by Arizona Energy Consortium 6:00 7:30 p.m.: Panel Discussion

    E-Print Network [OSTI]

    Hall, Sharon J.

    , a prominent atmospheric and energy scientist, and an environmental filmmaker. Sustainability reporter Eve-in-Residence for Sustainability, ASU's School of Sustainability Founder, Citizens for Affordable Energy Former President, Shell5:00 ­ 6:00 p.m.: Displays by Arizona Energy Consortium 6:00 ­ 7:30 p.m.: Panel Discussion 7:30 ­ 8

  6. 8'th Bioinformatics Day on "Computational Problems in Biology" October 5 'th 2006 1PM -5 PM in the Oxford Centre for Gene Function, Oxford.

    E-Print Network [OSTI]

    Goldschmidt, Christina

    8'th Bioinformatics Day on "Computational Problems in Biology" October 5 'th 2006 1PM - 5 PM in the Oxford Centre for Gene Function, Oxford. October5'th a Bioinformatics Day with focus on Computer Science to interesting topics and will also be used to announce Genomics/Bioinformatics in the following term: seminars

  7. Characterization of Fine Particulate Matter (PM) and Secondary PM Precursor Gases in the Mexico City Metropolitan Area

    SciTech Connect (OSTI)

    Luisa T. Molina, Rainer Volkamer, Benjamin de Foy, Wenfang Lei, Miguel Zavala, Erik Velasco; Mario J. Molina

    2008-10-31T23:59:59.000Z

    This project was one of three collaborating grants funded by DOE/ASP to characterize the fine particulate matter (PM) and secondary PM precursors in the Mexico City Metropolitan Area (MCMA) during the MILAGRO Campaign. The overall effort of MCMA-2006, one of the four components, focused on i) examination of the primary emissions of fine particles and precursor gases leading to photochemical production of atmospheric oxidants and secondary aerosol particles; ii) measurement and analysis of secondary oxidants and secondary fine PM production, with particular emphasis on secondary organic aerosol (SOA), and iii) evaluation of the photochemical and meteorological processes characteristic of the Mexico City Basin. The collaborative teams pursued the goals through three main tasks: i) analyses of fine PM and secondary PM precursor gaseous species data taken during the MCMA-2002/2003 campaigns and preparation of publications; ii) planning of the MILAGRO Campaign and deployment of the instrument around the MCMA; and iii) analysis of MCMA-2006 data and publication preparation. The measurement phase of the MILAGRO Campaign was successfully completed in March 2006 with excellent participation from the international scientific community and outstanding cooperation from the Mexican government agencies and institutions. The project reported here was led by the Massachusetts Institute of Technology/Molina Center for Energy and the Environment (MIT/MCE2) team and coordinated with DOE/ASP-funded collaborators at Aerodyne Research Inc., University of Colorado at Boulder and Montana State University. Currently 24 papers documenting the findings from this project have been published. The results from the project have improved significantly our understanding of the meteorological and photochemical processes contributing to the formation of ozone, secondary aerosols and other pollutants. Key findings from the MCMA-2003 include a vastly improved speciated emissions inventory from on-road vehicles: the MCMA motor vehicles produce abundant amounts of primary PM, elemental carbon, particle-bound polycyclic aromatic hydrocarbons, carbon monoxide and a wide range of air toxics; the feasibility of using eddy covariance techniques to measure fluxes of volatile organic compounds in an urban core and a valuable tool for validating local emissions inventory; a much better understanding of the sources and atmospheric loadings of volatile organic compounds; the first spectroscopic detection of glyoxal in the atmosphere; a unique analysis of the high fraction of ambient formaldehyde from primary emission sources; characterization of ozone formation and its sensitivity to VOCs and NOx; a much more extensive knowledge of the composition, size distribution and atmospheric mass loadings of both primary and secondary fine PM, including the fact that the rate of MCMA SOA production greatly exceeded that predicted by current atmospheric models; evaluations of significant errors that can arise from standard air quality monitors for O3 and NO2; and the implementation of an innovative Markov Chain Monte Carlo method for inorganic aerosol modeling as a powerful tool to analyze aerosol data and predict gas phase concentrations where these are unavailable. During the MILAGRO Campaign the collaborative team utilized a combination of central fixed sites and a mobile laboratory deployed throughout the MCMA to representative urban and boundary sites to measure trace gases and fine particles. Analysis of the extensive 2006 data sets has confirmed the key findings from MCMA-2002/2003; additionally MCMA-2006 provided more detailed gas and aerosol chemistry and wider regional scale coverage. Key results include an updated 2006 emissions inventory; extension of the flux system to measure fluxes of fine particles; better understanding of the sources and apportionment of aerosols, including contribution from biomass burning and industrial sources; a comprehensive evaluation of metal containing particles in a complex urban environment; identification of a close correlation between

  8. 150,000 r/min-1.5 kW PM Efficiency Improvement by Means of Permeance Coefficient Optimization of 150,000-r/min, 1.5-kW PM Motor

    E-Print Network [OSTI]

    Fujimoto, Hiroshi

    . Configuration of ultra high-speed PM motor. Core Coil (Winding) Air Permanent Magnet Shaft Stator Air 2 FEM. PM 21 PM PM 1.52.0 1 12 V PM l 3-53 #12;Br Bm Hc Hm pu B H Stator Core Permanent Magnet Shaft Coil (Winding) gl ml 3 B-H Fig. 3. B-H curve of permanent magnet and operating point. 0

  9. Distributed Explosive-Driven Six-foot Diameter by Two-Hundred Foot Long Shock Tubes

    SciTech Connect (OSTI)

    VIGIL, MANUEL G.

    2002-02-01T23:59:59.000Z

    The blast parameters for the 6-foot diameter by 200-foot long, explosively driven shock tube are presented in this report. The purpose, main characteristics, and blast simulation capabilities of this PETN Primacord, explosively driven facility are included. Experimental data are presented for air and Sulfurhexaflouride (SF6) test gases with initial pressures between 0.5 to 12.1 psia (ambient). Experimental data are presented and include shock wave time of amval at various test stations, flow duration, static or side-on overpressure, and stagnation or head-on overpressure. The blast parameters calculated from the above measured parameters and presented in this report include shock wave velocity, shock strength, shock Mach number, flow Mach Number, reflected pressure, dynamic pressure, particle velocity, density, and temperature. Graphical data for the above parameters are included. Algorithms and least squares fit equations are also included.

  10. Demonstration of the BioBaler harvesting system for collection of small-diameter woody biomass

    SciTech Connect (OSTI)

    Langholtz, Matthew H [ORNL; Caffrey, Kevin R [ORNL; Barnett, Elliott J [ORNL; Webb, Erin [ORNL; Brummette, Mark W [ORNL; Downing, Mark [ORNL

    2011-12-01T23:59:59.000Z

    As part of a project to investigate sustainable forest management practices for producing wood chips on the Oak Ridge Reservation (ORR) for the ORNL steam plant, the BioBaler was tested in various Oak Ridge locations in August of 2011. The purpose of these tests and the subsequent economic analysis was to determine the potential of this novel woody biomass harvesting method for collection of small-diameter, low value woody biomass. Results suggest that opportunities may exist for economical harvest of low-value and liability or negative-cost biomass. (e.g., invasives). This could provide the ORR and area land managers with a tool to produce feedstock while improving forest health, controlling problem vegetation, and generating local employment.

  11. The Engineering Design of the 1.5 m Diameter Solenoid for the MICERFCC Modules

    SciTech Connect (OSTI)

    Wang, L.; Green, M.A.; Xu, F.Y.; Wu, H.; Li, L.K.; Gou, C.S.; Liu, C.S.; Han, G.; Jia, L.X.; Li, D.; Prestemon, S.O.; Virostek, S.P.

    2007-08-27T23:59:59.000Z

    The RF coupling coil (RFCC) module of MICE is where muonsthat have been cooled within the MICE absorber focus (AFC) modules arere-accelerated to their original longitudinal momentum. The RFCC moduleconsists of four 201.25 MHz RF cavities in a 1.4 meter diameter vacuumvessel. The muons are kept within the RF cavities by the magnetic fieldgenerated by a superconducting coupling solenoid that goes around the RFcavities. The coupling solenoid will be cooled using a pair of 4 K pulsetube cooler that will generate 1.5 W of cooling at 4.2 K. The magnet willbe powered using a 300 A two-quadrant power supply. This report describesthe ICST engineering design of the coupling solenoid forMICE.

  12. Effects of Carbon Nanotube Coating on Bubble Departure Diameter and Frequency in Pool Boiling on a Flat, Horizontal Heater 

    E-Print Network [OSTI]

    Glenn, Stephen T.

    2011-08-08T23:59:59.000Z

    The effects of a carbon nanotube (CNT) coating on bubble departure diameter and frequency in pool boiling experiments was investigated and compared to those on a bare silicon wafer. The pool boiling experiments were performed at liquid subcooling...

  13. Effects of Carbon Nanotube Coating on Bubble Departure Diameter and Frequency in Pool Boiling on a Flat, Horizontal Heater

    E-Print Network [OSTI]

    Glenn, Stephen T.

    2011-08-08T23:59:59.000Z

    The effects of a carbon nanotube (CNT) coating on bubble departure diameter and frequency in pool boiling experiments was investigated and compared to those on a bare silicon wafer. The pool boiling experiments were performed at liquid subcooling...

  14. AMBIENT PM2.5 SAMPLING AND ANALYSIS

    SciTech Connect (OSTI)

    Unknown

    2000-10-01T23:59:59.000Z

    This report summarizes observations and tentative conclusions drawn from evaluations of the data captured to date from the operation of the ambient PM{sub 2.5} speciation sites in a geographical area encompassing southeastern Ohio, western Pennsylvania, and northwestern West Virginia. The overall goal of this program, called the Upper Ohio River Valley Project (UORVP), is to better understand the relationship between coal-based power system emissions and ambient air quality in the upper Ohio River Valley region through the collection of chemically resolved or speciated data.

  15. Search for exclusive photoproduction of Z$_c^{\\pm}$(3900) at COMPASS

    E-Print Network [OSTI]

    C. Adolph; R. Akhunzyanov; M. G. Alexeev; G. D. Alexeev; A. Amoroso; V. Andrieux; V. Anosov; A. Austregesilo; B. Badelek; F. Balestra; J. Barth; G. Baum; R. Beck; Y. Bedfer; A. Berlin; J. Bernhard; K. Bicker; E. R. Bielert; J. Bieling; R. Birsa; J. Bisplinghoff; M. Bodlak; M. Boer; P. Bordalo; F. Bradamante; C. Braun; A. Bressan; M. Buechele; E. Burtin; L. Capozza; M. Chiosso; S. U. Chung; A. Cicuttin; M. L. Crespo; Q. Curiel; S. Dalla Torre; S. S. Dasgupta; S. Dasgupta; O. Yu. Denisov; S. V. Donskov; N. Doshita; V. Duic; W. Duennweber; M. Dziewiecki; A. Efremov; C. Elia; P. D. Eversheim; W. Eyrich; M. Faessler; A. Ferrero; A. Filin; M. Finger; M. Finger jr.; H. Fischer; C. Franco; N. du Fresne von Hohenesche; J. M. Friedrich; V. Frolov; F. Gautheron; O. P. Gavrichtchouk; S. Gerassimov; R. Geyer; I. Gnesi; B. Gobbo; S. Goertz; M. Gorzellik; S. Grabmueller; A. Grasso; B. Grube; T. Grussenmeyer; A. Guskov; F. Haas; D. von Harrach; D. Hahne; R. Hashimoto; F. H. Heinsius; F. Herrmann; F. Hinterberger; Ch. Hoeppner; N. Horikawa; N. d'Hose; S. Huber; S. Ishimoto; A. Ivanov; Yu. Ivanshin; T. Iwata; R. Jahn; V. Jary; P. Jasinski; P. Joerg; R. Joosten; E. Kabuss; B. Ketzer; G. V. Khaustov; Yu. A. Khokhlov; Yu. Kisselev; F. Klein; K. Klimaszewski; J. H. Koivuniemi; V. N. Kolosov; K. Kondo; K. Koenigsmann; I. Konorov; V. F. Konstantinov; A. M. Kotzinian; O. Kouznetsov; M. Kraemer; Z. V. Kroumchtein; N. Kuchinski; F. Kunne; K. Kurek; R. P. Kurjata; A. A. Lednev; A. Lehmann; M. Levillain; S. Levorato; J. Lichtenstadt; A. Maggiora; A. Magnon; N. Makke; G. K. Mallot; C. Marchand; A. Martin; J. Marzec; J. Matousek; H. Matsuda; T. Matsuda; G. Meshcheryakov; W. Meyer; T. Michigami; Yu. V. Mikhailov; Y. Miyachi; A. Nagaytsev; T. Nagel; F. Nerling; S. Neubert; D. Neyret; V. I. Nikolaenko; J. Novy; W. -D. Nowak; A. S. Nunes; A. G. Olshevsky; I. Orlov; M. Ostrick; R. Panknin; D. Panzieri; B. Parsamyan; S. Paul; D. V. Peshekhonov; S. Platchkov; J. Pochodzalla; V. A. Polyakov; J. Pretz; M. Quaresma; C. Quintans; S. Ramos; C. Regali; G. Reicherz; E. Rocco; N. S. Rossiyskaya; D. I. Ryabchikov; A. Rychter; V. D. Samoylenko; A. Sandacz; S. Sarkar; I. A. Savin; G. Sbrizzai; P. Schiavon; C. Schill; T. Schlueter; K. Schmidt; H. Schmieden; K. Schoenning; S. Schopferer; M. Schott; O. Yu. Shevchenko; L. Silva; L. Sinha; S. Sirtl; M. Slunecka; S. Sosio; F. Sozzi; A. Srnka; L. Steiger; M. Stolarski; M. Sulc; R. Sulej; H. Suzuki; A. Szabelski; T. Szameitat; P. Sznajder; S. Takekawa; J. ter Wolbeek; S. Tessaro; F. Tessarotto; F. Thibaud; S. Uhl; I. Uman; M. Virius; L. Wang; T. Weisrock; M. Wilfert; R. Windmolders; H. Wollny; K. Zaremba; M. Zavertyaev; E. Zemlyanichkina; M. Ziembicki; A. Zink

    2014-07-23T23:59:59.000Z

    A search for the exclusive production of the $Z_c^{\\pm}(3900)$ hadron by virtual photons has been performed in the channel $Z_c^{\\pm}(3900)\\rightarrow J/\\psi \\pi^{\\pm}$. The data cover the range from 7 GeV to 19 GeV in the centre-of-mass energy of the photon-nucleon system. The full set of the COMPASS data set collected with a muon beam between 2002 and 2011 has been used. An upper limit for the ratio $BR(Z_c^{\\pm}(3900)\\rightarrow J/\\psi \\pi^{\\pm} )\\times \\sigma_{ \\gamma~N \\rightarrow Z_c^{\\pm}(3900)~ N} /\\sigma_{\\gamma~N \\rightarrow J/\\psi~ N}$ of $3.7\\times10^{-3}$ has been established at the confidence level of 90%.

  16. 2:30 PM TODAY: On-the-Record Conference Call with Deputy Assistant...

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

    Gov. Granholm, Administration Officials to Preview the President's Trip to Holland, Michigan 4:45PM ET TODAY: On-the-Record Conference Call with Administration, Jobs Council...

  17. Versatile device for in-situ discharge cleaning and multiple coatings of long, small diameter tubes

    SciTech Connect (OSTI)

    Hershcovitch, A.; Blaskiewicz, M.; Brennan, J.M.; Custer, A.; Erickson, M.; Liaw, C.J.; Fischer, Jamshidi, N.; W.; Meng, W.; Poole, H.J.; Sochugov, N.

    2010-05-23T23:59:59.000Z

    Electron clouds, which can limit machine performance, have been observed in many accelerators including RHIC at BNL. Additional concern for the RHIC machine, whose vacuum chamber is made from relatively high resistivity 316LN stainless steel, is high wall resistivity that can result in unacceptably high ohmic heating for superconducting magnets. The high resistivity can be addressed with a copper (Cu) coating; a reduction in the secondary electron yield can be achieved with a TiN or amorphous carbon (a-C) coating. Applying such coatings in an already constructed machine is rather challenging. We have been developing a robotic plasma deposition technique for in-situ coating of long, small diameter tubes. The technique entails fabricating a device comprising of staged magnetrons mounted on a mobile mole for deposition of about 5 ?m of Cu followed by about 0.1 ?m of a-C. As a first step, a 15-cm Cu cathode magnetron was designed, fabricated, and 30-cm long samples of the RHIC pipe have been coated with 2 ?m to 5.6 ?m of copper. Deposition rates of up to 92 A/sec with an average coating rate of 30 A/sec were measured. Effects on RF resistivity is also to be measured.

  18. Evidence of gating in hundred nanometer diameter pores: an experimental and theoretical study

    SciTech Connect (OSTI)

    Letant, S E; Schaldach, C M; Johnson, M R; Sawvel, A; Bourcier, W L; Wilson, W D

    2006-01-11T23:59:59.000Z

    We report on the observation of an unexpected gating mechanism at the 100 nm scale on track-etched polycarbonate membranes. Transport measurements of methyl viologen performed by absorption spectroscopy under various pH conditions demonstrated that perfect gating was achieved for 100 nm diameter pores at pH 2, while the positively charged molecular ions moved through the membrane according to diffusion laws at pH 5. An oppositely charged molecular ion, naphthalene disulfonate, in the same membrane, showed the opposite trend: diffusion of the negative ion at pH 2 and perfect gating at pH 5. The influence of parameters such as ionic strength and membrane surface coating were also investigated. A theoretical study of the system shows that at this larger length scale the magnitude of the electric field in the vicinity of the pores is too small to account for the experimental observations, rather, it is the surface trapping of the mobile ion (Cl{sup -} or Na{sup +}) which gives rise to the gating phenomena. This surprising effect might have potential applications for high-throughput separation of large molecules and bio-organisms.

  19. Qualification of large diameter duplex stainless steel girth welds intended for low temperature service

    SciTech Connect (OSTI)

    Prosser, K.; Robinson, A.G.; Rogers, P.F.

    1996-12-31T23:59:59.000Z

    British Gas recently had a requirement to fabricate some UNS31803 duplex stainless steel pipework for an offshore topsides process plant. The pipework had a maximum diameter of 600mm, with a corresponding wall thickness of 18mm, and it was designed to operate at a minimum temperature of {minus}40 C. There is a lack of published toughness data for girth welds in duplex stainless steel at this thickness and minimum design temperature. Additionally, toughness requirements for girth welds in current pipework and pressure vessel codes are based on experience with carbon steels. As a result, a program of work has been carried out to study the Charpy, CTOD and wide plate toughness of girth welds in 22%Cr duplex stainless steel pipework. The welds were produced using a typical gas tungsten arc/gas metal arc pipework fabrication procedure. In addition, non-destructive evaluation trials have been carried out on a deliberately defective weld using radiography and ultrasonics. It was demonstrated that double wall single image {gamma}-radiography, single wall single image and panoramic X-radiography, and conventional shear wave ultrasonics were all able to detect planar root defects varying from 3 to 7mm in depth. There was good agreement between the sizes recorded by ultrasonics and those measured from macrosections. Small scale mechanical tests demonstrated that welds with overmatching tensile properties, and low temperature toughness properties which were acceptable to specification, could be produced. Wide plate tests demonstrated that defect size calculations from BS PD7493 were conservative.

  20. Apparatus and Method for Increasing the Diameter of Metal Alloy Wires Within a Molten Metal Pool

    DOE Patents [OSTI]

    Hartman, Alan D.; Argetsinger, Edward R.; Hansen, Jeffrey S.; Paige, Jack I.; King, Paul E.; Turner, Paul C.

    2002-01-29T23:59:59.000Z

    In a dip forming process the core material to be coated is introduced directly into a source block of coating material eliminating the need for a bushing entrance component. The process containment vessel or crucible is heated so that only a portion of the coating material becomes molten, leaving a solid portion of material as the entrance port of, and seal around, the core material. The crucible can contain molten and solid metals and is especially useful when coating core material with reactive metals. The source block of coating material has been machined to include a close tolerance hole of a size and shape to closely fit the core material. The core material moves first through the solid portion of the source block of coating material where the close tolerance hole has been machined, then through a solid/molten interface, and finally through the molten phase where the diameter of the core material is increased. The crucible may or may not require water-cooling depending upon the type of material used in crucible construction. The system may operate under vacuum, partial vacuum, atmospheric pressure, or positive pressure depending upon the type of source material being used.

  1. Apparatus and method for increasing the diameter of metal alloy wires within a molten metal pool

    DOE Patents [OSTI]

    Hartman, Alan D. (Albany, OR); Argetsinger, Edward R. (Albany, OR); Hansen, Jeffrey S. (Corvallis, OR); Paige, Jack I. (Albany, OR); King, Paul E. (Corvallis, OR); Turner, Paul C. (Independence, OR)

    2002-01-29T23:59:59.000Z

    In a dip forming process the core material to be coated is introduced directly into a source block of coating material eliminating the need for a bushing entrance component. The process containment vessel or crucible is heated so that only a portion of the coating material becomes molten, leaving a solid portion of material as the entrance port of, and seal around, the core material. The crucible can contain molten and solid metals and is especially useful when coating core material with reactive metals. The source block of coating material has been machined to include a close tolerance hole of a size and shape to closely fit the core material. The core material moves first through the solid portion of the source block of coating material where the close tolerance hole has been machined, then through a solid/molten interface, and finally through the molten phase where the diameter of the core material is increased. The crucible may or may not require water-cooling depending upon the type of material used in crucible construction. The system may operate under vacuum, partial vacuum, atmospheric pressure, or positive pressure depending upon the type of source material being used.

  2. Inner bremsstrahlung accompanying. beta. decay of /sup 147/Pm

    SciTech Connect (OSTI)

    Babu, B.R.S.; Basavaraju, A.; Venkataramaiah, P.; Gopala, K.; Sanjeeviah, H.

    1985-09-01T23:59:59.000Z

    The inner bremsstrahlung spectrum associated with the nonunique first-forbidden ..beta.. decay of /sup 147/Pm was measured employing the magnetic deflection method with a 4.5 x 5.1 cm/sup 2/ NaI(Tl) scintillation spectrometer in the energy region 30--200 keV. The contribution due to the 121 keV source gamma ray line was subtracted by normalizing its peak with that of the 122 keV /sup 57/Co gamma ray pulse height distribution recorded in the same experimental setup. The raw spectrum was unfolded following Liden and Starfelt and compared with theoretical spectral distributions. The measured spectral distribution does not match any of the theories in any part of the investigated energy region.

  3. AMBIENT PM2.5 SAMPLING AND ANALYSIS

    SciTech Connect (OSTI)

    Unknown

    2001-04-30T23:59:59.000Z

    This is the third semi-annual technical progress report summarizing observations and tentative conclusions drawn from evaluations of the data captured to date from the operation of the ambient PM{sub 2.5} speciation sites in a geographical area encompassing southeastern Ohio, western Pennsylvania, and northwestern West Virginia. The overall goal of this program, called the Upper Ohio River Valley Project (UORVP), is to better understand the relationship between coal-based power system emissions and ambient air quality in the upper Ohio River Valley region through the collection of chemically resolved or speciated data. In order to provide a ''stand alone'' document, this report contains updated versions of Section 1 (Introduction) and Section 2 (Experimental) in their entirety from the first report.

  4. Transits of Venus and Solar diameter measures from ground: method and results from Athens (2004) and Huairou (2012)

    E-Print Network [OSTI]

    Sigismondi, Costantino; Wang, Xiaofan; Xie, Wenbin; Carinci, Massimo; Mimmo, Alessio

    2015-01-01T23:59:59.000Z

    The variation of the solar diameter in time and in position angle has implications in astrophysics and in general relativity, as the long series of studies attest. The Transits of Venus in 2004 and 2012 have been carefully studied because of the rarity of the phenomenon and its historical importance due the AU measure and to the discovery of Venus atmosphere. The characterization of Venus atmosphere and the measure of the solar diameter to the milliarcsecond level of precision have been studied also from satellite images. The results of the solar diameter measurements made with the observations in Athens (2004) and at the Huairou Solar Observing Station in China (2012) are presented. The topic of the oblateness of the Sun at sunset and its intrinsic value is drafted to introduce the general public to the relativistic relevance of measuring the solar figure, in the occasion of the International Year of Light 2015.

  5. STELLAR DIAMETERS AND TEMPERATURES. II. MAIN-SEQUENCE K- AND M-STARS

    SciTech Connect (OSTI)

    Boyajian, Tabetha S.; McAlister, Harold A.; Jones, Jeremy; White, Russel; Henry, Todd; Gies, Douglas; Jao, Wei-Chun; Parks, J. Robert [Center for High Angular Resolution Astronomy and Department of Physics and Astronomy, Georgia State University, P.O. Box 4106, Atlanta, GA 30302-4106 (United States); Von Braun, Kaspar; Kane, Stephen R.; Ciardi, David [NASA Exoplanet Science Institute, California Institute of Technology, MC 100-22, Pasadena, CA 91125 (United States); Van Belle, Gerard [Lowell Observatory, Flagstaff, AZ 86001 (United States); Ten Brummelaar, Theo A.; Schaefer, Gail; Sturmann, Laszlo; Sturmann, Judit [The CHARA Array, Mount Wilson Observatory, Mount Wilson, CA 91023 (United States); Muirhead, Philip S. [Department of Astronomy, California Institute of Technology, 1200 East California Boulevard, MC 249-17, Pasadena, CA 91125 (United States); Lopez-Morales, Mercedes [Institut de Ciencies de L'Espai (CSIC-IEEC), E-08193 Bellaterra (Spain); Ridgway, Stephen [National Optical Astronomy Observatory, P.O. Box 26732, Tucson, AZ 85726-6732 (United States); Rojas-Ayala, Barbara [Department of Astrophysics, Division of Physical Sciences, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024 (United States); and others

    2012-10-01T23:59:59.000Z

    We present interferometric angular diameter measurements of 21 low-mass, K- and M-dwarfs made with the CHARA Array. This sample is enhanced by adding a collection of radius measurements published in the literature to form a total data set of 33 K-M-dwarfs with diameters measured to better than 5%. We use these data in combination with the Hipparcos parallax and new measurements of the star's bolometric flux to compute absolute luminosities, linear radii, and effective temperatures for the stars. We develop empirical relations for {approx}K0 to M4 main-sequence stars that link the stellar temperature, radius, and luminosity to the observed (B - V), (V - R), (V - I), (V - J), (V - H), and (V - K) broadband color index and stellar metallicity [Fe/H]. These relations are valid for metallicities ranging from [Fe/H] = -0.5 to +0.1 dex and are accurate to {approx}2%, {approx}5%, and {approx}4% for temperature, radius, and luminosity, respectively. Our results show that it is necessary to use metallicity-dependent transformations in order to properly convert colors into stellar temperatures, radii, and luminosities. Alternatively, we find no sensitivity to metallicity on relations we construct to the global properties of a star omitting color information, e.g., temperature-radius and temperature-luminosity. Thus, we are able to empirically quantify to what order the star's observed color index is impacted by the stellar iron abundance. In addition to the empirical relations, we also provide a representative look-up table via stellar spectral classifications using this collection of data. Robust examinations of single star temperatures and radii compared to evolutionary model predictions on the luminosity-temperature and luminosity-radius planes reveal that models overestimate the temperatures of stars with surface temperatures <5000 K by {approx}3%, and underestimate the radii of stars with radii <0.7 R{sub Sun} by {approx}5%. These conclusions additionally suggest that the models over account for the effects that the stellar metallicity may have on the astrophysical properties of an object. By comparing the interferometrically measured radii for the single star population to those of eclipsing binaries, we find that for a given mass, single and binary star radii are indistinguishable. However, we also find that for a given radius, the literature temperatures for binary stars are systematically lower compared to our interferometrically derived temperatures of single stars by {approx}200 to 300 K. The nature of this offset is dependent on the validation of binary star temperatures, where bringing all measurements to a uniform and correctly calibrated temperature scale is needed to identify any influence stellar activity may have on the physical properties of a star. Lastly, we present an empirically determined H-R diagram using fundamental properties presented here in combination with those in Boyajian et al. for a total of 74 nearby, main-sequence, A- to M-type stars, and define regions of habitability for the potential existence of sub-stellar mass companions in each system.

  6. Winter 2013 Lecture: MWF 1:00-1:50pm, GIRV 2115

    E-Print Network [OSTI]

    Wei, Guofang

    Math 147A Winter 2013 Lecture: MWF 1:00-1:50pm, GIRV 2115 Text: "Elementary Differential Geometry on Gauchospace and my web page http://www.math.ucsb.edu/wei/147/home.html and due on Wednesdays at the end. Exams Schedule: Midterm : Wednesday, February 13 Final: Wednesday, March 20, 4-7 pm Grades: Midterms 35

  7. High-resolution determination of {sup 147}Pm in urine using dynamic ion-exchange chromatography

    SciTech Connect (OSTI)

    Elchuk, S.; Lucy, C.A.; Burns, K.I. [Chalk River Labs., Ontario (Canada)

    1992-10-15T23:59:59.000Z

    Ion exchange preconcentration followed by HPLC purification prior to scintillation counting was used to measure the concentration of {sup 147}Pm in urine. the detection limit for this method was found to be 0.1 Bq (3 fg) of {sup 147}Pm in 500 ml of urine.

  8. Analytical Model of Magnet Eddy-Current Volume Losses in Multi-phase PM Machines

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Analytical Model of Magnet Eddy-Current Volume Losses in Multi-phase PM Machines with Concentrated, 94000 Créteil France Abstract--this paper studies magnet eddy-current losses in permanent magnet (PM calculations. Keywords--Traction, Concentrated Winding, Eddy- Current, Volume Magnet Losses, Multiphase Machine

  9. PERFORMANCES ON THE STAGE AND SCREEN (Barrett Ballroom, October 25, 2013 from 1-4 pm)

    E-Print Network [OSTI]

    Su, Xiao

    " Poet-Performer: Angel Serran Poetry Video: "Habit" Poet: Alisha Merkle A Poets & Writers Coalition:10 PM ENGLISH AND COMPARATIVE LITERATURE DEPARTMENT Stand-Up Poetry: "Unsweetened" Poet-Performer: Katherine Reed Poetry Video: "Room" Poet: Keenan J. Fry Producer-Director: Raphael Kluzniok 3:20 PM

  10. University of PittsbUrgh Hillman Library 10 a.m.6 p.m. closed

    E-Print Network [OSTI]

    Benos, Takis

    .m. starkmediaservices 412­648­7232 8:30a.m.­7p.m.8:30a.m.­5p.m.noon­5p.m. specialcollections 412­648­8190 9a.m.­4:45p

  11. American Conference on Neutron Scattering M4-C4 (5:15 pm)

    E-Print Network [OSTI]

    Danon, Yaron

    50 American Conference on Neutron Scattering M4-C4 (5:15 pm) aCORN: A New MeasurementBeamlineatSnS.Inthistalk,theprinciple oftheexperiment,andthestatusofongoingR&d willbereviewedanddiscussed. M4-C6 (5:45 pm) Neutron-proton Scattering of the Electron- antineutrino Correlation Coefficient in Neutron Decay M. Leuschner (Indiana University Cyclotron

  12. 1/8/08 8:07 PM Oasis, Online Abstract Submission and Invitation System Program Planner

    E-Print Network [OSTI]

    Guedel, Manuel

    1/8/08 8:07 PM Oasis, Online Abstract Submission and Invitation System ­ Program Planner Page 1. The Online Abstract Submission and Invitation System #12; 1/8/08 8:07 PM Oasis, Online Abstract Submission

  13. Interpolating Vancouver's Daily Ambient PM10 Field Li Sun James V. Zidek Nhu D. Le Haluk Ozkaynak

    E-Print Network [OSTI]

    Washington at Seattle, University of

    Interpolating Vancouver's Daily Ambient PM10 Field Li Sun James V. Zidek Nhu D. Le Haluk Ozkaynak the Center's primary funding. #12;Interpolating Vancouver's Daily Ambient PM10 Field Li Sun1 , James V Zidek1

  14. Wind Tunnel Aerodynamic Tests of Six Airfoils for Use on Small Wind Turbines; Period of Performance: October 31, 2002--January 31, 2003

    SciTech Connect (OSTI)

    Selig, M. S.; McGranahan, B. D.

    2004-10-01T23:59:59.000Z

    Wind Tunnel Aerodynamic Tests of Six Airfoils for Use on Small Wind Turbinesrepresents the fourth installment in a series of volumes documenting the ongoing work of th University of Illinois at Urbana-Champaign Low-Speed Airfoil Tests Program. This particular volume deals with airfoils that are candidates for use on small wind turbines, which operate at low Reynolds numbers.

  15. To cite this document: Bechet, S. and Negulescu, C. and Chapin, Vincent and Simon, Frank Integration of CFD tools in aerodynamic design of contra-rotating

    E-Print Network [OSTI]

    Mailhes, Corinne

    efficient aircraft propulsion systems [1]. This concept promises significant reductions of fuel consumption. Béchet and C. A. Negulescu Airbus Operations S.A.S. - Aerodynamics Department, Toulouse, France V. Chapin ISAE DAEP, Toulouse, France F. Simon ONERA DMAE, Toulouse, France Keywords: Contra-Rotating Propellers

  16. 43rd AIAA Aerospace Sciences Meeting and Exhibit, January 10-13, 2005, Reno, Nevada Aerodynamic Design of Turbine Blades Using an

    E-Print Network [OSTI]

    Liu, Feng

    is an inviscid design case for a VKI turbine stator, and the design objective is to minimize the entropy for a standard configuration 4 turbine stator. The design objective is to minimize the entropy generation rate but also an optimization tool for aerodynamic design problems. Some optimization process that used to take

  17. Sun. Sept. 15th LILY G458 7:30-9PM Sun. Oct. 13th LILY G458 7:30 ...

    E-Print Network [OSTI]

    LYNETTE

    2013-08-16T23:59:59.000Z

    Sun. Sept. 15th LILY G458 7:30-9PM. Sun. Oct. 13th LILY G458 7:30-9PM. Mon. Nov. 11th BRNG 1232 7:30-9PM. For more information please. Contact:.

  18. Growth and properties of SiNCO nanocones and graphitic nanofibers synthesized using three-nanometer diameter

    E-Print Network [OSTI]

    Liu, Jie

    were minimized had the "stacked-cup" structure, and well-defined voids could be observed within aligned carbon nano- fibers (VACNFs) is interesting for fundamental under- standing of nanomaterial growth diameter of 3 (±1) nm. The nanocones were produced on laterally widely dispersed catalyst particles

  19. Measurements versus Predictions for a Hybrid (Hydrostatic plus Hydrodynamic Thrust Bearing for a Range of Orifice Diameters

    E-Print Network [OSTI]

    Esser, Paul R.

    2011-08-08T23:59:59.000Z

    bearings with three different orifice diameters (1.63, 1.80, and 1.93 mm) are tested for a range of supply pressures, fluid film thicknesses, and rotational speeds. The water-lubricated test bearings have eight pockets, with feed orifices located centrally...

  20. Effects of the hydraulic coupling between xylem and phloem on diurnal phloem diameter variationpce_2275 690..703

    E-Print Network [OSTI]

    Holbrook, N. Michele

    Effects of the hydraulic coupling between xylem and phloem on diurnal phloem diameter variationpce in the radial flow rate of water between the xylem and the phloem. Reducing the hydraulic con- ductance between variations that cannot be explained by changes in the hydraulic conductance, could be related to changes

  1. The effects of 100 nm-diameter Au nanoparticles on dye-sensitized solar Changwoo Nahm,1

    E-Print Network [OSTI]

    Park, Byungwoo

    The effects of 100 nm-diameter Au nanoparticles on dye-sensitized solar cells Changwoo Nahm,1 nanoparticles for dye-sensitized solar cells (DSSCs). At the optimum Au/TiO2 mass ratio of 0.05, the power nanoparticles were also introduced to the electrodes of dye-sensitized solar cells (DSSCs), and the solar-cell

  2. Salt-Dependent DNA Superhelix Diameter Studied by Small Angle Neutron Scattering Measurements and Monte Carlo Simulations

    E-Print Network [OSTI]

    Langowski, Jörg

    Salt-Dependent DNA Superhelix Diameter Studied by Small Angle Neutron Scattering Measurements-38042 Grenoble Cedex 9, France ABSTRACT Using small angle neutron scattering we have measured the static the same behavior between 10 and 100 mM salt concentration: An undulation in the scattering curve

  3. PDSF Office Hours 1/23/14 from 2:30 to 4:00 pm at LBNL

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

    2314 from 2:30 to 4:00 pm at LBNL PDSF Office Hours 12314 from 2:30 to 4:00 pm at LBNL January 22, 2014 (0 Comments) PDSF office hours will be from 2:30 to 4:00 pm in 50B-2222...

  4. Acute health effects of PM10 pollution on symptomatic and asymptomatic children

    SciTech Connect (OSTI)

    Pope, C.A. 3d.; Dockery, D.W. (Department of Economics, Brigham Young University, Provo, UT (United States))

    1992-05-01T23:59:59.000Z

    This study assessed the association between daily changes in respiratory health and respirable particulate pollution (PM10) in Utah Valley during the winter of 1990-1991. During the study period, 24-h PM10 concentrations ranged from 7 to 251 micrograms/m3. Participants included symptomatic and asymptomatic samples of fifth- and sixth-grade students. Relatively small but statistically significant (p less than 0.01) negative associations between peak expiratory flow (PEF) and PM10 were observed for both the symptomatic and asymptomatic samples. The association was strongest for the symptomatic children. Large associations between the incidence of respiratory symptoms, especially cough, and PM10 pollution were also observed for both samples. Again the association was strongest for the symptomatic sample. Immediate and delayed PM10 effects were observed. Respiratory symptoms and PEF changes were more closely associated with 5-day moving-average PM10 levels than with concurrent-day levels. These associations were also observed at PM10 levels below the 24-h standard of 150 micrograms/m3. This study indicates that both symptomatic and asymptomatic children may suffer acute health effects of respirable particulate pollution, with symptomatic children suffering the most.

  5. The structure of molten CaSiO3: A neutron diffraction isotope substitution and aerodynamic levitation study.

    SciTech Connect (OSTI)

    Skinner, Lawrie [State University of New York, Stony Brook; Benmore, Chris J [Argonne National Laboratory (ANL); Weber, Richard [Argonne National Laboratory (ANL); Santodonato, Louis J [ORNL; Tumber, Sonia [Materials Development, Inc., Evanston, IL; Neuefeind, Joerg C [ORNL; Lazareva, Lena [State University of New York, Stony Brook; Du, Jincheng [University of North Texas; Parise, John B [Stony Brook University (SUNY)

    2012-01-01T23:59:59.000Z

    We have performed neutron diffraction isotopic substitution experiments on aerodynamically levitated droplets of CaSiO3, to directly extract intermediate and local structural information on the Ca environment. The results show a substantial broadening of the Ca-O peak in the pair distribution function of the melt compared to the glass, which comprises primarily of 6- and 7-fold coordinated Ca-polyhedra. The broadening can be explained by a re-distribution of Ca-O bond lengths, especially towards longer distances in the liquid. The first order neutron difference function provides a rigorous test of recent molecular dynamics simulations and supports the model of the presence of short chains or channels of edge shared Ca-octahedra in the liquid state. It is suggested that the polymerization of Ca-polyhedra is responsible for the fragile viscosity behavior of the melt and the glass forming ability in CaSiO3.

  6. Towards optimal parallel PM N-body codes: PMFAST

    E-Print Network [OSTI]

    Hugh Merz; Ue-Li Pen; Hy Trac

    2005-05-31T23:59:59.000Z

    We present a new parallel PM N-body code named PMFAST that is freely available to the public. PMFAST is based on a two-level mesh gravity solver where the gravitational forces are separated into long and short range components. The decomposition scheme minimizes communication costs and allows tolerance for slow networks. The code approaches optimality in several dimensions. The force computations are local and exploit highly optimized vendor FFT libraries. It features minimal memory overhead, with the particle positions and velocities being the main cost. The code features support for distributed and shared memory parallelization through the use of MPI and OpenMP, respectively. The current release version uses two grid levels on a slab decomposition, with periodic boundary conditions for cosmological applications. Open boundary conditions could be added with little computational overhead. We present timing information and results from a recent cosmological production run of the code using a 3712^3 mesh with 6.4 x 10^9 particles. PMFAST is cost-effective, memory-efficient, and is publicly available.

  7. Lattice location of implanted $^{147}$Nd and $^{147*}$Pm in GaN using emission channeling

    E-Print Network [OSTI]

    De Vries, B; Vantomme, A; Correia, J G

    2003-01-01T23:59:59.000Z

    The lattice location of $^{147}$Nd and $^{147^{*}}$Pm in thin-film, single-crystalline hexagonal GaN was studied by means of the emission channeling technique. The angular emission yields of $\\beta^{-}$-particles and conversion electrons emitted by the radioactive isotopes $^{147}$Nd and $^{147^{*}}$Pm were measured using a position-sensitive detector following 60 keV room temperature implantation at a dose of 1 $\\times 10^{13}$ cm$^{-2}$ and annealing at 900°C. The emission patterns around the [0001], [1102], [1101], and [2113] crystal axes give direct evidence that the majority (70%) of Nd and Pm atoms occupy substitutional Ga sites.

  8. Jet properties from $?^{\\pm}$ - $h^{\\pm}$ correlation in $p+p$ and $d$+Au collisions at $\\sqrt{s_{NN}}$ = 200 GeV

    E-Print Network [OSTI]

    Jiangyong Jia

    2006-07-04T23:59:59.000Z

    We review recent results on the charged pion - charged hadron correlation in $p+p$ and $d$ + Au collisions as measured by the PHENIX Collaboration. Properties of di-jet system, such as the jet shape, associated hadron yield per trigger pion, and the underlying event are extracted statistically from the $\\pi^{\\pm}-h^{\\pm}$ correlation function in $\\Delta\\phi$ and $\\Delta\\eta$. For jet triggered with high $p_T$ pions ($p_T>5$ GeV/c), no apparent differences in the jet properties are seen between $p+p$ and $d$ + Au.

  9. Effect of long-range transport on local PM10 concentrations in the UK 

    E-Print Network [OSTI]

    Beverland, Iain J; Tunes, Trygve; Heal, Mathew R; Sozanska, Malgorzata; Elton, Robert A; Agius, Raymond M

    2000-01-01T23:59:59.000Z

    This study describes the effects of long-range transport of secondary airborne particles on local PM10 levels in Edinburgh (UK) during the period 1 January to 31 March 1996. Air mass back trajectories for each day were ...

  10. Spring 2013 Lecture: MWF 1:00-1:50pm, HSSB 1210

    E-Print Network [OSTI]

    Wei, Guofang

    Math 147B Spring 2013 Lecture: MWF 1:00-1:50pm, HSSB 1210 Text: "Elementary Differential Geometry Homework: Homeworks are posted on Gauchospace and my web page http://www.math.ucsb.edu/wei/147/home

  11. March 22, 2004 EAS 4/8803 1 Separating PM2.5 at Sample Inlet

    E-Print Network [OSTI]

    Weber, Rodney

    March 22, 2004 EAS 4/8803 1 Separating PM2.5 at Sample Inlet Classical Cyclone Sharp Cut Cyclone medium is extracted separately for direct quantification of: NH3, HONO, HNO3, SO2, Formic, Acetic, Oxalic

  12. Impact of Lower PM from Multimode Operation on Fuel Penalty from...

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

    Regeneration Low engine-out PM emissions from HECC result in lower pressure drop rise rates across the DPF, less frequent DPF regeneration, and lower de-soot fuel penalty...

  13. Test 1 Formula Sheet -February 10, 2014, 7:00-9:00 pm 1. Problem Solving

    E-Print Network [OSTI]

    Texas at Austin. University of

    Test 1 Formula Sheet - February 10, 2014, 7:00-9:00 pm 1. Problem Solving: · Choose a system is three equations, one for each dimension.) 2. General Formulas: · Unit vector: for a vector v =

  14. Contribution of garbage burning to chloride and PM[subscript 2.5] in Mexico City

    E-Print Network [OSTI]

    Li, G.

    The contribution of garbage burning (GB) emissions to chloride and PM[subscript 2.5] in the Mexico City Metropolitan Area (MCMA) has been investigated for the period of 24 to 29 March during the MILAGRO-2006 campaign using ...

  15. An Analysis of PM and NOx Train Emissions in the Alameda Corridor, CA

    E-Print Network [OSTI]

    Sangkapichai, Mana; Saphores, Jean-Daniel M; Ritchie, Stephen G.; You, Soyoung Iris; Lee, Gunwoo

    2008-01-01T23:59:59.000Z

    to trains (the modeling of truck emissions is addressed in aas well as emissions from drayage trucks, cargo handlingPM emissions from other sources such as drayage trucks that

  16. Upfront Radio on WMUA 91.1FM Wednesday's @ 4:30-5:30PM

    E-Print Network [OSTI]

    Mullin, William J.

    Upfront Radio on WMUA 91.1FM Wednesday's @ 4:30-5:30PM Show Announcement as the "God Particle" in the popular press. Upfront Radio will speak with UMass

  17. Diesel NOx-PM Reduction with Fuel Economy Increase by IMET-OBC...

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

    Increase by IMET-OBC-DPF + Hydrated-EGR System for Retrofit of In-Use Trucks Diesel NOx-PM Reduction with Fuel Economy Increase by IMET-OBC-DPF + Hydrated-EGR System...

  18. PM Update - Steve Meador, Acting Dir for Proj Assessment-SC,...

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

    Jack Surash, Dep Asst Secretary for APM-EM, Bob Raines, Assoc. Administrator for APM-NNSA PM Update - Steve Meador, Acting Dir for Proj Assessment-SC, Jack Surash, Dep Asst...

  19. Test of Public Address System in CEBAF Center at 12:30 p.m. on...

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

    Test of Public Address System in CEBAF Center at 12:30 p.m. on Saturday, March 7; Live Calls Will be Put on Hold If you are in a CEBAF Center conference room, office or other space...

  20. EGYPT: The Revolution and the Future February 17, 2011, 7:30 p.m.

    E-Print Network [OSTI]

    Hochberg, Michael

    EGYPT: The Revolution and the Future February 17, 2011, 7:30 p.m. Kane Hall, Room 210 University ELLIS GOLDBERG, Professor of Political Science, University of Washington, Specialist on Egypt

  1. The application of the fusion method of thermit welding to small diameter tubing: An analysis of joint geometry.

    E-Print Network [OSTI]

    Glynn, Thomas Michael

    1972-01-01T23:59:59.000Z

    Michael Glynn, B. S. , Texas ARM University Directed by: Dr. Clint A. Bertrand The intent of this study was an investigation of the possibility of adapting the fusion method of thermit welding to the joining of small diameter tubing. This research... was done in cooperation with Frank C. Eller (6), who investigated another basic aspect of this problem. The thermit welding process is one of the oldest methods of welding. It involves the use of an exo- thermic reaction between finely powdered iron...

  2. The application of the fusion method of thermit welding to small diameter tubing: An analysis of joint geometry. 

    E-Print Network [OSTI]

    Glynn, Thomas Michael

    1972-01-01T23:59:59.000Z

    Michael Glynn, B. S. , Texas ARM University Directed by: Dr. Clint A. Bertrand The intent of this study was an investigation of the possibility of adapting the fusion method of thermit welding to the joining of small diameter tubing. This research... was done in cooperation with Frank C. Eller (6), who investigated another basic aspect of this problem. The thermit welding process is one of the oldest methods of welding. It involves the use of an exo- thermic reaction between finely powdered iron...

  3. Analyse Statistique de la Pollution par les PM10 en Haute-Normandie

    E-Print Network [OSTI]

    Boyer, Edmond

    Analyse Statistique de la Pollution par les PM10 en Haute-Normandie Fran¸cois-Xavier Jolloisa travail porte sur l'analyse de la pollution par les particules PM10 en r´egion Haute- Normandie entre 2004´eaires et les m´elanges de mod`eles lin´eaires, on mod´elise les effets des vari- ables sur la pollution par

  4. XAFS Studies of Nickel And Sulfur Speciation in Residual Oil Fly-Ash Particulate Matters (ROFA PM)

    SciTech Connect (OSTI)

    Pattanaik, S.; Huggins, F.E.; Huffman, G.P.; Linak, W.P.; Miller, C.A.

    2007-07-12T23:59:59.000Z

    XAFS spectroscopy has been employed to evaluate the effect of fuel compositions and combustion conditions on the amount, form, and distribution of sulfur and nickel in size-fractionated ROFA PM. Analysis of S K-edge XANES establish that sulfate is abundant in all PM. However, depending upon the combustion conditions, lesser amounts of thiophenic sulfur, metal sulfide, and elemental sulfur may also be observed. Least-squares fitting of Ni K-edge XANES reveals that most of the nickel in PM is present as bioavailable NiSO{sub 4}.nH{sub 2}O. The insoluble Ni mainly exists as a minor species, as nickel ferrite in PM{sub 2.5} (PM < 2.5 {micro}m) and nickel sulfide, NixSy in PM{sub 2.5+} (PM > 2.5 {micro}m). The Ni K-edge XANES results are in agreement with the EXAFS data. Such detailed speciation of Ni and S in PM is needed for determining their mobility, bioavailability, and reactivity, and hence, their role in PM toxicity. This information is also important for understanding the mechanism of PM formation, developing effective remediation measures, and providing criteria for identification of potential emission sources. Transition metals complexing with sulfur is ubiquitous in nature. Therefore, this information on metal sulfur complex can be critical to a large body of environmental literature.

  5. Dust suppression results using mineral oil applications on corn and milo

    E-Print Network [OSTI]

    Wardlaw, Herman Douglas

    1987-01-01T23:59:59.000Z

    grain dust explosion, grain dust (less than 100 microns (pm) In aerodynamic diameter) must be in suspension at or above the minimum explosive concentration (MEC). The MEC for grain dust will vary depending upon moisture context, particle size... will be present in any grain handling facility. Containment restricts grain dust from dispersing, which allows for the development of the MEC. The NEC is so highly concentrated that without containment, it is unlikely to occur in a grain handling facility...

  6. The effects of two different environments upon the density, diameter, and length of the hair of Brahman cattle

    E-Print Network [OSTI]

    De Armas, Hector

    1952-01-01T23:59:59.000Z

    to adverse climatic conditions is characterised by a series of responses which enable them to maintain a normal equilibrium of their physiological functionso One cf these responses is manifested by changes in hair coat characteristics, Very litt1e... information is available at present regarding the reaction of the hair coats oi' Bos taurus and Bos indicus to hot and cold climate", This study was conceived with the idea of observing the x'caution of den- sity, diameter, and length of hair coat of two...

  7. The effects of two different environments upon the density, diameter, and length of the hair of Brahman cattle 

    E-Print Network [OSTI]

    De Armas, Hector

    1952-01-01T23:59:59.000Z

    to adverse climatic conditions is characterised by a series of responses which enable them to maintain a normal equilibrium of their physiological functionso One cf these responses is manifested by changes in hair coat characteristics, Very litt1e... information is available at present regarding the reaction of the hair coats oi' Bos taurus and Bos indicus to hot and cold climate", This study was conceived with the idea of observing the x'caution of den- sity, diameter, and length of hair coat of two...

  8. Boattail Plates With Non-Rectangular Geometries For Reducing Aerodynamic Base Drag Of A Bluff Body In Ground Effect

    DOE Patents [OSTI]

    Ortega, Jason M. (Pacifica, CA); Sabari, Kambiz (Livermore, CA)

    2006-03-07T23:59:59.000Z

    An apparatus for reducing the aerodynamic base drag of a bluff body having a leading end, a trailing end, a top surface, opposing left and right side surfaces, and a base surface at the trailing end substantially normal to a longitudinal centerline of the bluff body, with the base surface joined (1) to the left side surface at a left trailing edge, (2) to the right side surface at a right trailing edge, and (3) to the top surface at a top trailing edge. The apparatus includes left and right vertical boattail plates which are orthogonally attached to the base surface of the bluff body and inwardly offset from the left and right trailing edges, respectively. This produces left and right vertical channels which generate, in a flowstream substantially parallel to the longitudinal centerline, respective left and right vertically-aligned vortical structures, with the left and right vertical boattail plates each having a plate width defined by a rear edge of the plate spaced from the base surface. Each plate also has a peak plate width at a location between top and bottom ends of the plate corresponding to a peak vortex of the respective vertically-aligned vortical structures.

  9. Growth and stability of stress corrosion cracks in large-diameter BWR piping. Volume 2: appendixes. Final report

    SciTech Connect (OSTI)

    Hale, D A; Heald, J D; Horn, R M; Jewett, C W; Kass, J N; Mehta, H S; Ranganath, S; Sharma, S R

    1982-07-01T23:59:59.000Z

    This report presents the results of a research program conducted to evaluate the behavior of hypothetical stress corrosion cracks in large diameter austenitic piping. The program included major tasks, a design margin assessment, an evaluation of crack growth and crack arrest, and development of a predictive model. As part of the margin assessment, the program developed diagrams which predicted net section collapse as a function of crack size. In addition, plasticity and dynamic load effects were also considered in evaluating collapse. Analytical methods for evaluating these effects were developed and were benchmarked by dynamic tests of 4-in.-diameter piping. The task of evaluating the growth behavior of stress corrosion cracks focused on developing constant load and cyclic growth rate data that could be used with the predictive model. Secondly, laboratory tests were performed to evaluate the conditions under which growing stress corrosion cracks would arrest when they intersected stress corrosion resistant weld metal. The third task successfully developed a model to predict the behavior of cracks in austenitic piping.

  10. Final Report: DoE SBIR Phase 2 Low-Cost Small Diameter NMR Technologies for In-Situ Subsurface Characterization and Monitoring

    SciTech Connect (OSTI)

    Walsh, David Oliver

    2010-09-03T23:59:59.000Z

    In this Phase 2 SBIR program, Vista Clara successfully developed and field-tested small diameter NNR logging tools for subsurface characterization and monitoring. This effort involved the design and development surface electronics, a winch with 470ft cable, and three interchangeable downhole probes: a 3.5� diameter borehole NMR probe, a 1.67� diameter borehole NMR probe, and a 2.5� diameter NMR probe that can be deployed using a Geoprobe direct push machine. The 3.5� probe was tested extensively over a 6 week period including 4� to 8� boreholes in Washington, Idaho, Nebraska, Colorado, Kansas, Connecticut and Massachusetts. The field test campaign was highly successful. The 1.67� probe was assembled, tested and calibrated in the laboratory. The 2.5� Geoprobe probe is in final assembly and testing at the time of this report. The completed Phase 2 R&D program has resulted in the first NMR logging tool that can be deployed in boreholes of 4� diameter, the first NMR logging tool that can be deployed in boreholes on 2� diameter, and the first NMR logging tool that can be deployed by a direct push machine. These small diameter tools make NMR logging technically and economically feasible, for the first time. Previously available NMR logging tools were developed for oilfield applications and are prohibitively large and expensive for the majority of near surface groundwater characterization problems.

  11. Level scheme of /sup 148/Pm and the s-process neutron density

    SciTech Connect (OSTI)

    Lesko, K.T.; Norman, E.B.; Larimer, R.; Bacelar, J.C.; Beck, E.M.

    1989-02-01T23:59:59.000Z

    A level scheme of /sup 148/Pm up to 800 keV is deduced from gamma-ray coincidence data and published particle transfer data. Approximately 106 gamma-ray transitions have been placed between 36 levels. We have identified three levels below 500 keV in excitation which decay to both the ground state and to the isomeric level at 137 keV. The presence of these levels guarantees that /sup 148/Pm/sup g//sup ,//sup m/ are in thermal equilibrium during the s process. The s-process neutron density inferred from the branch point at /sup 148/Pm is deduced to be 3 x 10/sup 8//cm/sup 3/.

  12. Synthesis Techniques for a Class of SSB-AM-PM Signals 

    E-Print Network [OSTI]

    Painter, John H.

    1969-01-01T23:59:59.000Z

    Introduction Synthesis Techniques for a Class of SSB-AM-PM Signals JOHN H. PAINTER, Member, IEEE NASA Langley Research Center Hampton, Va. Abstract This paper develops synthesis techniques for a particular type of single-sideband sinusoidal carrier...-AM-PM signals are si(t) = A exp [-f(t)] cos [w,t+f(t)] S2(t) = A exp [f(t)] cos [w,t -f(t)]Manuscript received July 9, 1968. (2) (3) IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS VOL. AES-5, NO. 3 MAY 1969450 Authorized licensed use limited to: Texas A M...

  13. A transfection assay for the biological activity of irradiated PM2 DNA

    E-Print Network [OSTI]

    Newman, Andrew Drennan

    1982-01-01T23:59:59.000Z

    Transfection and Gel Electrophores1s Data for Form I PN2 DNA Exposed to X-Ray Radiation . Transfection and Gel Electrophoresis Data for Form I PN2 DNA Exposed to Ultraviolet Radiation Neasur1ng the Effect of moi of X-Ray Irradiated ONA... of Texas at Dallas Chairman of Advisory Committee: Dr. R. D. Neff A transfection assay was developed to detect radiation-damaged PM2 DNA. By varying growth and incubation condit1ons, the calcium heat shock technique was optimized for PM2 DNA and its...

  14. Orbital inside diameter welder

    DOE Patents [OSTI]

    Patterson, R.A.; Mitchell, J.O.

    1982-07-23T23:59:59.000Z

    The disclosure relates to welding apparatus and more particularly to apparatus for welding together two abutted cylinders from the inside of the joint.

  15. The concrete theory of numbers : New Mersenne conjectures. Simplicity and other wonderful properties of numbers $L(n) = 2^{2n}\\pm2^n\\pm1$

    E-Print Network [OSTI]

    Boris V. Tarasov

    2008-04-24T23:59:59.000Z

    New Mersenne conjectures. The problems of simplicity, common prime divisors and free from squares of numbers $L(n) = 2^{2n}\\pm2^n\\pm1$ are investigated. Wonderful formulas $gcd $ for numbers $L (n) $ and numbers repunit are proved.

  16. Computational mechanics research and support for aerodynamics and hydraulics at TFHRC, year 1 quarter 3 progress report.

    SciTech Connect (OSTI)

    Lottes, S.A.; Kulak, R.F.; Bojanowski, C. (Energy Systems)

    2011-08-26T23:59:59.000Z

    The computational fluid dynamics (CFD) and computational structural mechanics (CSM) focus areas at Argonne's Transportation Research and Analysis Computing Center (TRACC) initiated a project to support and compliment the experimental programs at the Turner-Fairbank Highway Research Center (TFHRC) with high performance computing based analysis capabilities in August 2010. The project was established with a new interagency agreement between the Department of Energy and the Department of Transportation to provide collaborative research, development, and benchmarking of advanced three-dimensional computational mechanics analysis methods to the aerodynamics and hydraulics laboratories at TFHRC for a period of five years, beginning in October 2010. The analysis methods employ well-benchmarked and supported commercial computational mechanics software. Computational mechanics encompasses the areas of Computational Fluid Dynamics (CFD), Computational Wind Engineering (CWE), Computational Structural Mechanics (CSM), and Computational Multiphysics Mechanics (CMM) applied in Fluid-Structure Interaction (FSI) problems. The major areas of focus of the project are wind and water loads on bridges - superstructure, deck, cables, and substructure (including soil), primarily during storms and flood events - and the risks that these loads pose to structural failure. For flood events at bridges, another major focus of the work is assessment of the risk to bridges caused by scour of stream and riverbed material away from the foundations of a bridge. Other areas of current research include modeling of flow through culverts to assess them for fish passage, modeling of the salt spray transport into bridge girders to address suitability of using weathering steel in bridges, vehicle stability under high wind loading, and the use of electromagnetic shock absorbers to improve vehicle stability under high wind conditions. This quarterly report documents technical progress on the project tasks for the period of April through June 2011.

  17. Sizing DNA Using a Nanometer-Diameter Pore Jiunn B. Heng, Chuen Ho, Taekyung Kim, Rolf Timp, Aleksij Aksimentiev, Yelena V. Grinkova, Stephen Sligar,

    E-Print Network [OSTI]

    Croquette, Vincent

    Sizing DNA Using a Nanometer-Diameter Pore Jiunn B. Heng, Chuen Ho, Taekyung Kim, Rolf Timp et al., 1996; Akeson et al., 1999; Heng et al., 2003; Li et al., 2003; Mara et al., 2004

  18. Parents Nursery Association Committee: Minutes of the Meeting Held at 7.30pm on 20 April 1998.

    E-Print Network [OSTI]

    Cowley, Stephen J.

    Parents Nursery Association Committee: Minutes of the Meeting Held at 7.30pm on 20 April 1998) was $27. 2. 5th Birthday Party. The party went well with a record number of 147 people attending. The 10 that there have been no significant further developments. 5. Picnic. We decided on a time of 11.30 am to 1.30 pm

  19. facebook.com/MTasmsu montana.edu/asmsu April 10th -12th 6:30 PM

    E-Print Network [OSTI]

    Maxwell, Bruce D.

    facebook.com/MTasmsu montana.edu/asmsu April 10th - 12th 6:30 PM April 13th 12:30 PM April 10th. For more info, visit the Campus Entertainment facebook page at: facebook.com/asmsuce 04/09 - 04/15 #12;

  20. PDSF Office Hours 10/17/13 from 2:00 to 4:00 pm at LBNL

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

    01713 from 2:00 to 4:00 pm at LBNL PDSF Office Hours 101713 from 2:00 to 4:00 pm at LBNL October 7, 2013 (0 Comments) I have biweekly office hours on Thursdays at LBNL. The...

  1. Copyright 2005, USC/ISI. All rights reserved.10/24/2005 12:52 PM 1 OCS: An Open

    E-Print Network [OSTI]

    Touch, Joe

    Copyright 2005, USC/ISI. All rights reserved.10/24/2005 12:52 PM 1 OCS: An Open Communicating System Joe Touch Postel Center Director USC/ISI Research Associate Professor USC CS & EE/Systems #12;10/24/2005 12:52 PM 2Copyright 2005, USC/ISI. All rights reserved. Network Research Past progress = point

  2. JULY 10 and 11, 2012 | 6 PM | The Climate Crisis looms as the most serious

    E-Print Network [OSTI]

    Schladow, S. Geoffrey

    of the atmosphere in order to avoid dangerous climate change and to return the Earth to a safe-climate future? HowJULY 10 and 11, 2012 | 6 PM | The Climate Crisis looms as the most serious threat to human can the public and decision-makers cut through the spin and denial in order to do what is necessary

  3. Sponsorship 12:30-1:30 p.m. Registration and Exhibits

    E-Print Network [OSTI]

    Collett Jr., Jeffrey L.

    Nick Hansen The Group, Inc. David Everitt Everitt Companies 4:30-5:15 p.m. Denver Union Station Chris for eight, branding on promotions and at event, name mentioned at podium, exhibit booth Green Sponsor $2,500 Table for eight, name mentioned at podium, exhibit booth Table Sponsor $500 Table for eight Student

  4. LiveChat Wed, 11/16, 2 pm ET: Industrial Energy Efficiency

    Broader source: Energy.gov [DOE]

    On Wednesday, November 16, at 2:00 PM ET, join Kathleen Hogan, Deputy Assistant Secretary for Energy Efficiency, for a live discussion about the Energy Department programs how businesses are lowering their energy consumption, and how that energy savings benefits the American economy.

  5. Last updated: June 13, 2013 4:29 pm Brain drain in Spain leaves

    E-Print Network [OSTI]

    Moro-Martin, Amaya

    Last updated: June 13, 2013 4:29 pm Brain drain in Spain leaves scientific research on the wane and other Spanish cities to highlight their plight ­ and to warn of the risks that the current brain-drain to be vacated this year. Staffing aside, scientists complain that the government is holding back funding

  6. Sent: Tuesday, September 24, 2002 5:52 PM To: comment@bpa.gov

    E-Print Network [OSTI]

    on salmon and the people who depend on them for their livelihood. As discussions about the power supplyRD-0131 Sent: Tuesday, September 24, 2002 5:52 PM To: comment@bpa.gov Subject: Salmon & Power Dear Administrator Wright, I understand that the BPA is undergoing discussions to make changes to power distribution

  7. Coal waste seen as valuable resource Published: March. 29, 2011 at 8:09 PM

    E-Print Network [OSTI]

    Belogay, Eugene A.

    Coal waste seen as valuable resource Published: March. 29, 2011 at 8:09 PM ANAHEIM, Calif., March 29 (UPI) -- Fly ash, a byproduct of coal-burning electric power plants, could save billions. More than 450 coal-burning electric power plants in the United States produce about 130 million tons

  8. Neuro-Fuzzy Controller of a Sensorless PM Motor Drive For Washing Machines

    E-Print Network [OSTI]

    , appliance design engineers are working hard to reduce the machine's energy consumption, water use, weight, and improved fabric care. To gain further energy savings, engineers are now introducing laundry algorithms algorithms to enable direct drive from permanent magnet (PM) synchronous motors[3]. #12;Among AC drives

  9. Characterization of the Cobalamin and Fep Operons in Methylobium petrolphilum PM1

    SciTech Connect (OSTI)

    Ewing, J

    2005-09-06T23:59:59.000Z

    The bacterium Methylobium petroleophilum PM1 is economically important due to its ability to degrade methyl tert-butyl ether (MTBE), a fuel additive. Because PM1 is a representative of all MTBE degraders, it is important to understand the transport pathways critical for the organism to survive in its particular environment. In this study, the cobalamin pathway and select iron transport genes will be characterized to help further understand all metabolic pathways in PM1. PM1 contains a total of four cobalamin operons. A single operon is located on the chromosome. Located on the megaplasmid are two tandem repeats of cob operons and a very close representative of the cob operon located on the chromosome. The fep operon, an iron transport mechanism, lies within the multiple copies of the cob operon. The cob operon and the fep operon appear to be unrelated except for a shared need for the T-on-B-dependent energy transduction complex to assist the operons in moving large molecules across the outer membrane of the cell. A genomic study of the cob and the fep operons with that of phylogenetically related organisms helped to confirm the identity of the cob and fep operons and to represent the pathways. More study of the pathways should be done to find the relationship that positions the two seemingly unrelated cob and fep genes together in what appears to be one operon.

  10. A Systemic Design Methodology of PM Generators for Fixed-Pitch Marine Current Turbines

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    that for an offshore application and particularly for tidal power generation, enhancing reliability and reducing of permanent magnet (PM) generator associated with fixed-pitch turbine for tidal energy generation. The main of the drive-train. In offshore energy generation, the maintenance should be minimized as much as possible

  11. Development of methodology to correct sampling error associated with FRM PM10 samplers

    E-Print Network [OSTI]

    Chen, Jing

    2009-05-15T23:59:59.000Z

    ). _______________ This dissertation follows the style and format of the Transactions of the ASAE. 2 The health effect of the dust was related to PM?s size and properties. In the past, agricultural dust was believed to be coarse particles and nontoxic to human, except...

  12. Monday, November 24 2014 1:00-3:00 P.M.

    E-Print Network [OSTI]

    to its combination of advantageous chemical and mechanical properties, is polycrystalline diamond. "Polycrystalline-diamond MEMS biosensors including neural microelectrode-arrays." Biosensors 1, no. 3 (2011): 118Monday, November 24 2014 1:00-3:00 P.M. EB2108 ALL-DIAMOND NEURAL PROBES FOR ELECTRICAL RECORDING

  13. Bogdan Crivat: Introduction to SQL Server 2005 Data Mining Wednesday, Febr. 15th, 3 pm.

    E-Print Network [OSTI]

    Glasby, Stephen

    Bogdan Crivat: Introduction to SQL Server 2005 Data Mining Wednesday, Febr. 15th, 3 pm. Hebeler Server 2005, Microsoft introduces a new, developer-oriented approach to Data Mining. The suite includes, powerful, APIs for client applications as well as server side stored procedures, all backed by a scalable

  14. TECHNOLOGY AND DEMOCRACY GEOG 804 (002) Wednesday 6-8:30 pm Saunders 219*

    E-Print Network [OSTI]

    Doyle, Martin

    Syllabus: TECHNOLOGY AND DEMOCRACY GEOG 804 (002) Wednesday 6-8:30 pm Saunders 219* Instructor://blackboard.unc.edu Overview Are society's technological choices open to democratic participation? The graduate seminar and research workshop in TECHNOLOGY AND DEMOCRACY explores political dimensions of technological change

  15. Last Updated: 3/18/2013 12:54 PM 1 Project Charter

    E-Print Network [OSTI]

    Barrash, Warren

    Last Updated: 3/18/2013 12:54 PM 1 Project Charter Project Title: Foster a Culture Focused on Student Success Sponsor: Lisa Harris Project Leader: Leslie Webb and Sharon McGuire Project Description What is the Challenge? · Although retention and graduation rates at Boise State have increased nearly

  16. Room-temperature 1.3 pm electroluminescence from strained Si, -,Ge,/Si quantum wells

    E-Print Network [OSTI]

    Room-temperature 1.3 pm electroluminescence from strained Si, -,Ge,/Si quantum wells Q. Mi, X. Xiao report the first room-temperature 1.3 ,um electroluminescence from strained Sir-,Ge,/Si quantum wells to that from the Sit-,GeX wells. A minimum band offset is required to have effective room

  17. Sent: Wednesday, September 25, 2002 4:40 PM To: comment@bpa.gov

    E-Print Network [OSTI]

    and wave energy generation should be explored and installed with all dilligence, as well as solar applications where feasible. First and foremost, however, is to gain 'free' energy through aggressiveRD-0144 Sent: Wednesday, September 25, 2002 4:40 PM To: comment@bpa.gov Subject: renewable energy

  18. On-Board Diesel & Hybrid Diesel-Electric Transit Bus PM

    E-Print Network [OSTI]

    Holmén, Britt A.

    On-Board Diesel & Hybrid Diesel-Electric Transit Bus PM Mass and Size-Resolved Number Emissions AND cost-effective ­ 2003 -- Purchase 2 hybrid diesel-electric buses ­ Emissions Testing ­ gases Particulate Mass -- filter #12;Motivation · Ultrafine (UF) particle health effects · Diesel vehicle exhaust

  19. Seminar Center for Advanced Vehicle Technologies Thursday, 04/29 -2:00pm

    E-Print Network [OSTI]

    Carver, Jeffrey C.

    Advisor to the CEO Maxwell Technologies, Inc. Abstract We live in an era of unprecedented interestSeminar ­ Center for Advanced Vehicle Technologies Thursday, 04/29 - 2:00pm 101 Bevill Hall The Role and Future of Power Electronics in Energy Storage Systems John M. Miller, PE, Ph.D. Technical

  20. Tuesday November 9, 06:21 PM Nuclear project talks end in Vienna without agreement

    E-Print Network [OSTI]

    of nuclear fusion at the Japanese science and technology ministry, said: "We did not reach an agreementTuesday November 9, 06:21 PM Nuclear project talks end in Vienna without agreement VIENNA (AFP) - The latest round of six-party talks on a revolutionary nuclear energy project ended in Vienna

  1. Crop & Soil Science Seminar Series Mondays at 4:00 pm in Ag Life Sciences

    E-Print Network [OSTI]

    Tullos, Desiree

    Crop & Soil Science Seminar Series Fall 2013 Mondays at 4:00 pm in Ag Life Sciences 4000 September 30 NO SEMINAR October 7 Dan Sullivan Crop & Soil Science Dept. "Phosphorus: Now and Then" October 14/CSSA/SSSA meetings) November 11 Chris Klatt Crop & Soil Science Dept. "Tracking Microbial Use of C and N

  2. Preventative Maintenance (PM) Policy Outline the policy regarding preventative vehicle maintenance on University of Michigan (U-

    E-Print Network [OSTI]

    Kirschner, Denise

    Preventative Maintenance (PM) Policy Objective Outline the policy regarding preventative vehicle maintenance on University of Michigan (U- M) vehicles. Policy 1. All maintenance performed on U-M vehicles their own campus maintenance facility to repair their fleet vehicles. 2. To ensure proper stewardship of U

  3. Sent: Saturday, September 28, 2002 5:41 PM To: comment@bpa.gov

    E-Print Network [OSTI]

    (lowest rate), non-firm, & secondary (at market). Any power utilities purchase from BPA that isn't firmRD-0165 Sent: Saturday, September 28, 2002 5:41 PM To: comment@bpa.gov Subject: Marketing BPA Power, even if it means reduced power generated. (Extinction of a species is forever!) Until the U.S. has

  4. Health Alert: Treating acid reflux disease Posted: Feb 6, 2008 03:03 PM CST

    E-Print Network [OSTI]

    Chiao, Jung-Chih

    Treating acid reflux disease Posted: Feb 6, 2008 03:03 PM CST Updated: Feb 6 Jiang Tang. Exciting news for patients like John who want to treat their nagging, reflux symptoms by Logan Smith 2/8/2008WIStv.com Columbia, SC: Health Alert: Treating acid reflux disease URL: http

  5. Due Date: Monday, March 22, 2008, 11:59PM Spring 2009-2010

    E-Print Network [OSTI]

    Can, Tolga

    Due Date: Monday, March 22, 2008, 11:59PM CENG 465 Spring 2009-2010 Assignment #1 (Programming Assignment) Pairwise Sequence Alignment by Dynamic Programming In this assignment you are going to implement that it will not produce gaps longer than 3. Gaps of length 3 are allowed. Use the linear gap penalty model

  6. ICS313 Game Demonstrations, POST 126 Monday, Dec. 2, 2013 (starting at1:30 pm)

    E-Print Network [OSTI]

    Reed, Nancy E.

    Savior By Jaimar and Micah Code Monkey By Taylor, Alvin and Brent The Aragorn Trail By William G Sharknado By Michael W. and Steven R. Wednesday, Dec. 4, 2013 (starting at1:30 pm) Starbreak By Andy, Troy By Taylor, Alvin and Brent #12;The Aragorn Trail By William G. and Michael T. #12;Don't Die Day, a Zombie

  7. Taylor relaxation and decay of unbounded, freely-expanding J. Yee and P.M. Bellan

    E-Print Network [OSTI]

    Bellan, Paul M.

    Taylor relaxation and ¸ decay of unbounded, freely-expanding spheromaks J. Yee and P.M. BellanJÁ=BÁ indicate that the spheromak is decaying and expanding in a manner analogous to a self's relaxation model [1,2] has been successfully applied to many fusion related plasmas, especially spheromaks

  8. Academy Fellowships in Medical Education Applications due 5 pm Friday, March 8, 2013

    E-Print Network [OSTI]

    Paulsson, Johan

    Academy Fellowships in Medical Education Applications due 5 pm Friday, March 8, 2013 The Academy in medical education for the Fellowship Period July 1, 2013, to June 30, 2014. The Academy Fellowship development project, or a learner assessment or educational research educational project. The Academy Fellow

  9. Dec. 13, 2006 9:42pm Register Help Stories Videos The Web

    E-Print Network [OSTI]

    Wright, Dawn Jeannine

    Dec. 13, 2006 9:42pm · Register · Help Stories Videos The Web Home | U.S. | World | Politics | Sci | Video [ Build Playlist ] CBS Evening News [ Watch Now ] | The Early Show | 48 Hours | 60 Minutes | CBSTech Video IN THE SPOTLIGHT GameCore Video Game Columns, Reviews And Views INTERACTIVE Funnels Of Fury

  10. Sent: Tuesday, October 08, 2002 5:38 PM To: comment@bpa.gov

    E-Print Network [OSTI]

    that includes plentiful wild salmon, clean, renewable energy, and a healthy economy. The Bonneville Power to ensure that it promotes a Northwest future that includes abundant wild salmon, clean energy and a strongRD-0295 Sent: Tuesday, October 08, 2002 5:38 PM To: comment@bpa.gov Subject: Clean Energy, Healthy

  11. APRIL 18, 2013 Summer Internship Open House from 4-7 pm

    E-Print Network [OSTI]

    Heller, Barbara

    APRIL 18, 2013 OPEN HOUSE Summer Internship Open House from 4-7 pm Tellabs offers excellent internship and career opportunities as well as providing competitive salaries, strong benefits and a stimulating work environment. Join us to hear more about our summer internship program and network with hiring

  12. ATM678, Mesoscale Dynamics, Spring 2014 Class time: TR 11:30am to 1pm

    E-Print Network [OSTI]

    Moelders, Nicole

    ATM678, Mesoscale Dynamics, Spring 2014 Class time: TR 11:30am to 1pm Classroom: Elvy auditorium, Akasofu 319 Course Description: The class provides a comprehensive explanation of mesoscale air motions ­ their phenology, basic physics and mechanisms, why they build and how mesoscale motions interact with the micro

  13. Geometry Optimization of Kringle 1 of Plasminogen Using the PM3

    E-Print Network [OSTI]

    Schlegel, H. Bernhard

    Geometry Optimization of Kringle 1 of Plasminogen Using the PM3 Semiempirical Method ANDREW D July 1999 ABSTRACT: The results of a geometry optimization on the 1226 atom Kringle 1 of plasminogen with a conjugate gradient density matrix search replacing the diagonalization step. The geometry was optimized

  14. SCRC Journal Club 2014-2015 Fridays 12-1pm, Physiology Seminar Room (BMSB 431)

    E-Print Network [OSTI]

    Manitoba, University of

    SCRC Journal Club 2014-2015 Fridays 12-1pm, Physiology Seminar Room (BMSB 431) Date Session type 10 Journal article Scott Dyck (PhD student) Oct 17 Journal article Chris Hart (M.Sc student) Oct 24 Journal article Arsalan Alizadeh (PhD student) Oct 31 Journal article Nagakannan Pandian (M.Sc student

  15. Date of Accident: _____/_____/________ Day of Week: __________________ Hour: _____:______ AM / PM TIME VEHICLE ACCIDENT REPORT

    E-Print Network [OSTI]

    Farritor, Shane

    Page 1/2 Date of Accident: _____/_____/________ Day of Week: __________________ Hour: _____:______ AM / PM TIME VEHICLE ACCIDENT REPORT TO BE USED BY ALL STATE AGENCIES to make immediate report of all motor vehicle accidents involving State employees, vehicles, equipment or where highways could result

  16. PM Motor Parametric Design Analyses for a Hybrid Electric Vehicle Traction Drive Application

    SciTech Connect (OSTI)

    Staunton, R.H.

    2004-10-11T23:59:59.000Z

    The Department of Energy's (DOE) Office of FreedomCAR (Cooperative Automotive Research) and Vehicle Technologies office has a strong interest in making rapid progress in permanent magnet (PM) machine development. The DOE FreedomCAR program is directing various technology development projects that will advance the technology and hopefully lead to a near-term request for proposals (RFP) for a to-be-determined level of initial production. This aggressive approach is possible because the technology is clearly within reach and the approach is deemed essential, based on strong market demand, escalating fuel prices, and competitive considerations. In response, this study began parallel development paths that included a literature search/review, development and utilization of multiple parametric models, verification of the modeling methodology, development of an interior PM (IPM) machine baseline design, development of alternative machine baseline designs, and cost analyses for several candidate machines. This report summarizes the results of these activities as of September 2004. This report provides background and summary information for recent machine parametric studies and testing programs that demonstrate both the potential capabilities and technical limitations of brushless PM machines (axial gap and radial gap), the IPM machine, the surface-mount PM machines (interior or exterior rotor), induction machines, and switched-reluctance machines. The FreedomCAR program, while acknowledging the progress made by Oak Ridge National Laboratory (ORNL), Delphi, Delco-Remy International, and others in these programs, has redirected efforts toward a ''short path'' to a marketable and competitive PM motor for hybrid electric vehicle (HEV) traction applications. The program has developed a set of performance targets for the type of traction machine desired. The short-path approach entails a comprehensive design effort focusing on the IPM machine and meeting the performance targets. The selection of the IPM machine reflects industry's confidence in this market-proven design that exhibits a high power density.

  17. PM Motor Parametric Design Analyses for Hybrid Electric Vehicle Traction Drive Application: Interim Report

    SciTech Connect (OSTI)

    Staunton, R.H.

    2004-08-11T23:59:59.000Z

    The Department of Energy's (DOE) Office of FreedomCAR (Cooperative Automotive Research) and Vehicle Technologies has a strong interest in making rapid progress in permanent magnet (PM) machine development. The program is directing various technology development projects that will advance the technology and lead to request for proposals (RFP) for manufacturer prototypes. This aggressive approach is possible because the technology is clearly within reach and the approach is deemed essential, based on strong market demand, escalating fuel prices, and competitive considerations. In response, this study began parallel development paths that included a literature search/review, development and utilization of multiple parametric models to determine the effects of design parameters, verification of the modeling methodology, development of an interior PM (IPM) machine baseline design, development of alternative machine baseline designs, and cost analyses for several candidate machines. This interim progress report summarizes the results of these activities as of June 2004. This report provides background and summary information for recent machine parametric studies and testing programs that demonstrate both the potential capabilities and technical limitations of brushless PM machines (axial gap and radial gap), the IPM machine, the surface-mount PM machines (interior or exterior rotor), induction machines, and switched reluctance machines. The FreedomCAR program, while acknowledging the progress made by Oak Ridge National Laboratory, Delphi, Delco-Remy International, and others in these programs, has redirected efforts toward a ''short path'' to a marketable and competitive PM motor for hybrid electric vehicle traction applications. The program has developed a set of performance targets for the type of traction machine desired. The short-path approach entails a comprehensive design effort focusing on the IPM machine and meeting the performance targets. The selection of the IPM machine reflects industry's confidence in this market-proven design that exhibits a power density surpassed by no other machine design.

  18. Search for a Charged Higgs Boson Produced in the Vector-boson Fusion Mode with Decay $H^\\pm \\to W^\\pm Z$ using $pp$ Collisions at $\\sqrt{s}=8$ TeV with the ATLAS Experiment

    E-Print Network [OSTI]

    Aad, Georges; Abdallah, Jalal; Abdinov, Ovsat; Aben, Rosemarie; Abolins, Maris; AbouZeid, Ossama; Abramowicz, Halina; Abreu, Henso; Abreu, Ricardo; Abulaiti, Yiming; Acharya, Bobby Samir; Adamczyk, Leszek; Adams, David; Adelman, Jahred; Adomeit, Stefanie; Adye, Tim; Affolder, Tony; Agatonovic-Jovin, Tatjana; Aguilar-Saavedra, Juan Antonio; Ahlen, Steven; Ahmadov, Faig; Aielli, Giulio; Akerstedt, Henrik; Åkesson, Torsten Paul Ake; Akimoto, Ginga; Akimov, Andrei; Alberghi, Gian Luigi; Albert, Justin; Albrand, Solveig; Alconada Verzini, Maria Josefina; Aleksa, Martin; Aleksandrov, Igor; Alexa, Calin; Alexander, Gideon; Alexopoulos, Theodoros; Alhroob, Muhammad; Alimonti, Gianluca; Alio, Lion; Alison, John; Alkire, Steven Patrick; Allbrooke, Benedict; Allport, Phillip; Aloisio, Alberto; Alonso, Alejandro; Alonso, Francisco; Alpigiani, Cristiano; Altheimer, Andrew David; Alvarez Gonzalez, Barbara; ?lvarez Piqueras, Damián; Alviggi, Mariagrazia; Amadio, Brian Thomas; Amako, Katsuya; Amaral Coutinho, Yara; Amelung, Christoph; Amidei, Dante; Amor Dos Santos, Susana Patricia; Amorim, Antonio; Amoroso, Simone; Amram, Nir; Amundsen, Glenn; Anastopoulos, Christos; Ancu, Lucian Stefan; Andari, Nansi; Andeen, Timothy; Anders, Christoph Falk; Anders, Gabriel; Anders, John Kenneth; Anderson, Kelby; Andreazza, Attilio; Andrei, George Victor; Angelidakis, Stylianos; Angelozzi, Ivan; Anger, Philipp; Angerami, Aaron; Anghinolfi, Francis; Anisenkov, Alexey; Anjos, Nuno; Annovi, Alberto; Antonelli, Mario; Antonov, Alexey; Antos, Jaroslav; Anulli, Fabio; Aoki, Masato; Aperio Bella, Ludovica; Arabidze, Giorgi; Arai, Yasuo; Araque, Juan Pedro; Arce, Ayana; Arduh, Francisco Anuar; Arguin, Jean-Francois; Argyropoulos, Spyridon; Arik, Metin; Armbruster, Aaron James; Arnaez, Olivier; Arnal, Vanessa; Arnold, Hannah; Arratia, Miguel; Arslan, Ozan; Artamonov, Andrei; Artoni, Giacomo; Asai, Shoji; Asbah, Nedaa; Ashkenazi, Adi; Åsman, Barbro; Asquith, Lily; Assamagan, Ketevi; Astalos, Robert; Atkinson, Markus; Atlay, Naim Bora; Auerbach, Benjamin; Augsten, Kamil; Aurousseau, Mathieu; Avolio, Giuseppe; Axen, Bradley; Ayoub, Mohamad Kassem; Azuelos, Georges; Baak, Max; Baas, Alessandra; Bacci, Cesare; Bachacou, Henri; Bachas, Konstantinos; Backes, Moritz; Backhaus, Malte; Badescu, Elisabeta; Bagiacchi, Paolo; Bagnaia, Paolo; Bai, Yu; Bain, Travis; Baines, John; Baker, Oliver Keith; Balek, Petr; Balestri, Thomas; Balli, Fabrice; Banas, Elzbieta; Banerjee, Swagato; Bannoura, Arwa A E; Bansil, Hardeep Singh; Barak, Liron; Baranov, Sergei; Barberio, Elisabetta Luigia; Barberis, Dario; Barbero, Marlon; Barillari, Teresa; Barisonzi, Marcello; Barklow, Timothy; Barlow, Nick; Barnes, Sarah Louise; Barnett, Bruce; Barnett, Michael; Barnovska, Zuzana; Baroncelli, Antonio; Barone, Gaetano; Barr, Alan; Barreiro, Fernando; Barreiro Guimarães da Costa, João; Bartoldus, Rainer; Barton, Adam Edward; Bartos, Pavol; Bassalat, Ahmed; Basye, Austin; Bates, Richard; Batista, Santiago Juan; Batley, Richard; Battaglia, Marco; Bauce, Matteo; Bauer, Florian; Bawa, Harinder Singh; Beacham, James Baker; Beattie, Michael David; Beau, Tristan; Beauchemin, Pierre-Hugues; Beccherle, Roberto; Bechtle, Philip; Beck, Hans Peter; Becker, Anne Kathrin; Becker, Maurice; Becker, Sebastian; Beckingham, Matthew; Becot, Cyril; Beddall, Andrew; Beddall, Ayda; Bednyakov, Vadim; Bee, Christopher; Beemster, Lars; Beermann, Thomas; Begel, Michael; Behr, Janna Katharina; Belanger-Champagne, Camille; Bell, Paul; Bell, William; Bella, Gideon; Bellagamba, Lorenzo; Bellerive, Alain; Bellomo, Massimiliano; Belotskiy, Konstantin; Beltramello, Olga; Benary, Odette; Benchekroun, Driss; Bender, Michael; Bendtz, Katarina; Benekos, Nektarios; Benhammou, Yan; Benhar Noccioli, Eleonora; Benitez Garcia, Jorge-Armando; Benjamin, Douglas; Bensinger, James; Bentvelsen, Stan; Beresford, Lydia; Beretta, Matteo; Berge, David; Bergeaas Kuutmann, Elin; Berger, Nicolas; Berghaus, Frank; Beringer, Jürg; Bernard, Clare; Bernard, Nathan Rogers; Bernius, Catrin; Bernlochner, Florian Urs; Berry, Tracey; Berta, Peter; Bertella, Claudia; Bertoli, Gabriele; Bertolucci, Federico; Bertsche, Carolyn; Bertsche, David; Besana, Maria Ilaria; Besjes, Geert-Jan; Bessidskaia Bylund, Olga; Bessner, Martin Florian; Besson, Nathalie; Betancourt, Christopher; Bethke, Siegfried; Bevan, Adrian John; Bhimji, Wahid; Bianchi, Riccardo-Maria; Bianchini, Louis; Bianco, Michele; Biebel, Otmar; Bieniek, Stephen Paul; Biglietti, Michela; Bilbao De Mendizabal, Javier; Bilokon, Halina; Bindi, Marcello; Binet, Sebastien

    2015-01-01T23:59:59.000Z

    A search for a charged Higgs boson, $H^\\pm$, decaying to a $W^\\pm$ boson and a $Z$ boson is presented. The search is based on 20.3 fb$^{-1}$ of proton-proton collision data at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. The $H^\\pm$ boson is assumed to be produced via vector-boson fusion and the decays $W^\\pm \\to q\\bar{q^\\prime}$ and $Z\\rightarrow e^+e^-/\\mu^+\\mu^-$ are considered. The search is performed in a range of charged Higgs boson masses from 200 to 1000 GeV. No evidence for the production of an $H^\\pm$ boson is observed. Upper limits of 31--1020 fb at 95\\% CL are placed on the cross section for vector-boson fusion production of an $H^\\pm$ boson times its branching fraction to $W^\\pm Z$. The limits are compared with predictions from the Georgi-Machacek Higgs Triplet Model.

  19. Search for a Charged Higgs Boson Produced in the Vector-boson Fusion Mode with Decay $H^\\pm \\to W^\\pm Z$ using $pp$ Collisions at $\\sqrt{s}=8$ TeV with the ATLAS Experiment

    E-Print Network [OSTI]

    ATLAS Collaboration

    2015-03-13T23:59:59.000Z

    A search for a charged Higgs boson, $H^\\pm$, decaying to a $W^\\pm$ boson and a $Z$ boson is presented. The search is based on 20.3 fb$^{-1}$ of proton-proton collision data at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. The $H^\\pm$ boson is assumed to be produced via vector-boson fusion and the decays $W^\\pm \\to q\\bar{q^\\prime}$ and $Z\\rightarrow e^+e^-/\\mu^+\\mu^-$ are considered. The search is performed in a range of charged Higgs boson masses from 200 to 1000 GeV. No evidence for the production of an $H^\\pm$ boson is observed. Upper limits of 31-1020 fb at 95% CL are placed on the cross section for vector-boson fusion production of an $H^\\pm$ boson times its branching fraction to $W^\\pm Z$. The limits are compared with predictions from the Georgi-Machacek Higgs Triplet Model.

  20. Operating characteristics of a 7. 6 mm (0. 30 inch) diameter two-stage light-gas gun

    SciTech Connect (OSTI)

    Susoeff, A R; Hawke, R S; Bowen, P R; Greenwood, D W; Marshall, F R

    1992-07-01T23:59:59.000Z

    a series of tests was conducted to determine the operating requirements needed to obtain maximum projectile velocity within the engineering design limits of a two-stage light-gas gun with a 7.6 mm (0.30 inch) diameter bore launch tube. The tests were conducted in a medium vacuum flight range. Previous experience with the gun was used to establish the minimum requirements for optimum efficiency. Two operating parameters, propellant load and drive gas pressure, were varied in order to find an initial optimum operating condition at a conservative propellant load. Propellant load and driver gas pressure were then incrementally increased. This procedure was methodically applied until significant mechanical deformation of a critical gun component took place. This report presents the results of these tests. Projectile velocity was measured to better than 3 percent accuracy using a magnetic induction technique. A 0.485 gram polycarbonate projectile was launched to a velocity of 7.77 km/s during the tests. 13 refs.

  1. Journal of Asian Electric Vehicles, Volume 8, Number 1, June 2010 Simplified Thermal Model of PM Motors in Hybrid Vehicle Applications Taking

    E-Print Network [OSTI]

    Mi, Chunting "Chris"

    mounted PM synchronous motor (SPMSM) is developed in this paper. Due to the high conductivity of the rare of PM Motors in Hybrid Vehicle Applications Taking into Account Eddy Current Loss in Magnets Xiaofeng, University of Michigan-Dearborn, mi@ieee.org Abstract Permanent Magnet (PM) Motors are popular choices

  2. AFTER HOURS CARE Coulter Student Health Center is open 8:00 am to 12:00 pm and 1:00

    E-Print Network [OSTI]

    AFTER HOURS CARE Coulter Student Health Center is open 8:00 am to 12:00 pm and 1:00 pm to 4:45 pm applicable co-pays/co- insurance and deductibles when accessing care outside of the Health Center. URGENT, Monday through Friday. The Health Center is closed Saturday and Sundays, and during official CSM holidays

  3. Date Time Date Time New, renewal, resubmission F Series Fellowships (Individual NRSA) Tuesday, April 8 5:00 pm Wednesday April 2 8:00 am

    E-Print Network [OSTI]

    Williams, Gary A.

    SEES) Tuesday, April 8 5:00 pm Wednesday, April 2 8:00 am CyberPhysical Systems (CPS) Monday June 2 5:00 pm Partnerships for Innovation: Accelerating Innovation Research Technology Translation (PFI: AIRTT) Thursday & Cognition Monday, June 16 5:00 pm Tuesday, June 10 8:00 am Plant Genome Research Program (PGRP) Monday

  4. Date Time Date Time New, renewal, resubmission F Series Fellowships (Individual NRSA) Tuesday, April 8 5:00 pm Wednesday April 2 8:00 am

    E-Print Network [OSTI]

    Williams, Gary A.

    SEES) Tuesday, April 8 5:00 pm Wednesday, April 2 8:00 am Cyber-Physical Systems (CPS) Monday June 2 5:00 pm Partnerships for Innovation: Accelerating Innovation Research - Technology Translation (PFI: AIR-TT) Thursday/Program Description Perception, Action & Cognition Monday, June 16 5:00 pm Tuesday, June 10 8:00 am Plant Genome

  5. 56 PM NETWORK june 2012 WWW.PMI.ORG by MIchEllE bOWlEs JacKsON

    E-Print Network [OSTI]

    Chapman, Michael S.

    56 PM NETWORK june 2012 WWW.PMI.ORG by MIchEllE bOWlEs JacKsON stepby #12;june 2012 PM NETWORK 57 by adopting an iterative 58 PM NETWORK june 2012 WWW.PMI.ORG waterfall approach. This introduced the idea

  6. Search for heavy Majorana neutrinos in $\\mu^\\pm \\mu^\\pm$+jets events in proton-proton collisions at $\\sqrt{s}$ = 8 TeV

    E-Print Network [OSTI]

    Khachatryan, Vardan; Tumasyan, Armen; Adam, Wolfgang; Bergauer, Thomas; Dragicevic, Marko; Erö, Janos; Friedl, Markus; Fruehwirth, Rudolf; Ghete, Vasile Mihai; Hartl, Christian; Hörmann, Natascha; Hrubec, Josef; Jeitler, Manfred; Kiesenhofer, Wolfgang; Knünz, Valentin; Krammer, Manfred; Krätschmer, Ilse; Liko, Dietrich; Mikulec, Ivan; Rabady, Dinyar; Rahbaran, Babak; Rohringer, Herbert; Schöfbeck, Robert; Strauss, Josef; Treberer-Treberspurg, Wolfgang; Waltenberger, Wolfgang; Wulz, Claudia-Elisabeth; Mossolov, Vladimir; Shumeiko, Nikolai; Suarez Gonzalez, Juan; Alderweireldt, Sara; Bansal, Sunil; Cornelis, Tom; De Wolf, Eddi A; Janssen, Xavier; Knutsson, Albert; Lauwers, Jasper; Luyckx, Sten; Ochesanu, Silvia; Rougny, Romain; Van De Klundert, Merijn; Van Haevermaet, Hans; Van Mechelen, Pierre; Van Remortel, Nick; Van Spilbeeck, Alex; Blekman, Freya; Blyweert, Stijn; D'Hondt, Jorgen; Daci, Nadir; Heracleous, Natalie; Keaveney, James; Lowette, Steven; Maes, Michael; Olbrechts, Annik; Python, Quentin; Strom, Derek; Tavernier, Stefaan; Van Doninck, Walter; Van Mulders, Petra; Van Onsem, Gerrit Patrick; Villella, Ilaria; Caillol, Cécile; Clerbaux, Barbara; De Lentdecker, Gilles; Dobur, Didar; Favart, Laurent; Gay, Arnaud; Grebenyuk, Anastasia; Léonard, Alexandre; Mohammadi, Abdollah; Perniè, Luca; Randle-conde, Aidan; Reis, Thomas; Seva, Tomislav; Thomas, Laurent; Vander Velde, Catherine; Vanlaer, Pascal; Wang, Jian; Zenoni, Florian; Adler, Volker; Beernaert, Kelly; Benucci, Leonardo; Cimmino, Anna; Costantini, Silvia; Crucy, Shannon; Fagot, Alexis; Garcia, Guillaume; Mccartin, Joseph; Ocampo Rios, Alberto Andres; Poyraz, Deniz; Ryckbosch, Dirk; Salva Diblen, Sinem; Sigamani, Michael; Strobbe, Nadja; Thyssen, Filip; Tytgat, Michael; Yazgan, Efe; Zaganidis, Nicolas; Basegmez, Suzan; Beluffi, Camille; Bruno, Giacomo; Castello, Roberto; Caudron, Adrien; Ceard, Ludivine; Da Silveira, Gustavo Gil; Delaere, Christophe; Du Pree, Tristan; Favart, Denis; Forthomme, Laurent; Giammanco, Andrea; Hollar, Jonathan; Jafari, Abideh; Jez, Pavel; Komm, Matthias; Lemaitre, Vincent; Nuttens, Claude; Pagano, Davide; Perrini, Lucia; Pin, Arnaud; Piotrzkowski, Krzysztof; Popov, Andrey; Quertenmont, Loic; Selvaggi, Michele; Vidal Marono, Miguel; Vizan Garcia, Jesus Manuel; Beliy, Nikita; Caebergs, Thierry; Daubie, Evelyne; Hammad, Gregory Habib; Aldá Júnior, Walter Luiz; Alves, Gilvan; Brito, Lucas; Correa Martins Junior, Marcos; Dos Reis Martins, Thiago; Molina, Jorge; Mora Herrera, Clemencia; Pol, Maria Elena; Rebello Teles, Patricia; Carvalho, Wagner; Chinellato, Jose; Custódio, Analu; Da Costa, Eliza Melo; De Jesus Damiao, Dilson; De Oliveira Martins, Carley; Fonseca De Souza, Sandro; Malbouisson, Helena; Matos Figueiredo, Diego; Mundim, Luiz; Nogima, Helio; Prado Da Silva, Wanda Lucia; Santaolalla, Javier; Santoro, Alberto; Sznajder, Andre; Tonelli Manganote, Edmilson José; Vilela Pereira, Antonio; Bernardes, Cesar Augusto; Dogra, Sunil; Tomei, Thiago; De Moraes Gregores, Eduardo; Mercadante, Pedro G; Novaes, Sergio F; Padula, Sandra; Aleksandrov, Aleksandar; Genchev, Vladimir; Hadjiiska, Roumyana; Iaydjiev, Plamen; Marinov, Andrey; Piperov, Stefan; Rodozov, Mircho; Stoykova, Stefka; Sultanov, Georgi; Vutova, Mariana; Dimitrov, Anton; Glushkov, Ivan; Litov, Leander; Pavlov, Borislav; Petkov, Peicho; Bian, Jian-Guo; Chen, Guo-Ming; Chen, He-Sheng; Chen, Mingshui; Cheng, Tongguang; Du, Ran; Jiang, Chun-Hua; Plestina, Roko; Romeo, Francesco; Tao, Junquan; Wang, Zheng; Asawatangtrakuldee, Chayanit; Ban, Yong; Liu, Shuai; Mao, Yajun; Qian, Si-Jin; Wang, Dayong; Xu, Zijun; Zhang, Fengwangdong; Zhang, Linlin; Zou, Wei; Avila, Carlos; Cabrera, Andrés; Chaparro Sierra, Luisa Fernanda; Florez, Carlos; Gomez, Juan Pablo; Gomez Moreno, Bernardo; Sanabria, Juan Carlos; Godinovic, Nikola; Lelas, Damir; Polic, Dunja; Puljak, Ivica; Antunovic, Zeljko; Kovac, Marko; Brigljevic, Vuko; Kadija, Kreso; Luetic, Jelena; Mekterovic, Darko; Sudic, Lucija; Attikis, Alexandros; Mavromanolakis, Georgios; Mousa, Jehad; Nicolaou, Charalambos; Ptochos, Fotios; Razis, Panos A; Rykaczewski, Hans; Bodlak, Martin; Finger, Miroslav; Finger Jr, Michael; Assran, Yasser; Elgammal, Sherif; Ellithi Kamel, Ali; Radi, Amr; Kadastik, Mario; Murumaa, Marion; Raidal, Martti; Tiko, Andres; Eerola, Paula; Voutilainen, Mikko; Härkönen, Jaakko; Karimäki, Veikko; Kinnunen, Ritva; Kortelainen, Matti J; Lampén, Tapio; Lassila-Perini, Kati; Lehti, Sami; Lindén, Tomas; Luukka, Panja-Riina; Mäenpää, Teppo; Peltola, Timo; Tuominen, Eija; Tuominiemi, Jorma

    2015-01-01T23:59:59.000Z

    A search is performed for heavy Majorana neutrinos (N) using an event signature defined by two muons of the same charge and two jets ($\\mu^\\pm \\mu^\\pm \\mathrm{j j}$). The data correspond to an integrated luminosity of 19.7 fb$^{-1}$ of proton-proton collisions at a center-of-mass energy of 8 TeV, collected with the CMS detector at the CERN LHC. No excess of events is observed beyond the expected standard model background and upper limits are set on $|V_{\\mu\\mathrm{N}}|^2$ as a function of Majorana neutrino mass $\\mathrm{m}_{\\mathrm{N}}$ for masses in the range of 40-500 GeV, where $|V_{\\mu\\mathrm{N}}|$ is the mixing element of the heavy neutrino with the standard model muon neutrino. The limits obtained are $|V_{\\mu\\mathrm{N}}|^2 \\le 0.00470$ for $\\mathrm{m}_{\\mathrm{N}} = 90$ GeV, $|V_{\\mu\\mathrm{N}}|^2 \\le 0.0123$ for $\\mathrm{m}_{\\mathrm{N}} = 200$ GeV, and $|V_{\\mu\\mathrm{N}}|^2 \\le 0.583$ for $\\mathrm{m}_{\\mathrm{N}} = 500$ GeV. These results extend considerably the regions excluded by previous direct se...

  7. Analysis of the low-energy $?^\\pm p$ differential cross sections of the CHAOS Collaboration

    E-Print Network [OSTI]

    Evangelos Matsinos; Guenther Rasche

    2013-03-27T23:59:59.000Z

    This paper presents the results of an analysis of the low-energy $\\pi^\\pm p$ differential cross sections, acquired by the CHAOS Collaboration at TRIUMF \\cite{chaos,denz}. We first analyse separately the $\\pi^+ p$ and the $\\pi^- p$ elastic-scattering measurements on the basis of standard low-energy parameterisations of the $s$- and p-wave $K$-matrix elements. After the removal of the outliers, we subject the truncated $\\pi^\\pm p$ elastic-scattering databases into a common optimisation scheme using the ETH model \\cite{glmbg}; the optimisation failed to produce reasonable values for the model parameters. We conclude that the problems we have encountered in the analysis of these data are due to the shape of the angular distributions of their $\\pi^+ p$ differential cross sections.

  8. Analysis of the DENZ04 low-energy $\\pi^\\pm p$ elastic-scattering data

    E-Print Network [OSTI]

    Matsinos, Evangelos

    2012-01-01T23:59:59.000Z

    This paper presents the results of an analysis of the DENZ04 low-energy $\\pi^\\pm p$ differential cross sections. We first analysed separately the $\\pi^+ p$ and the $\\pi^- p$ elastic-scattering measurements on the basis of standard low-energy expansions of the s- and p-wave $K$-matrix elements. After the removal of the outliers (eleven degrees of freedom in the initial database), we subjected the truncated $\\pi^\\pm p$ elastic-scattering databases into a common optimisation scheme using the ETH model; the optimisation failed to produce reasonable values for the model parameters. The phase-shift solution, extracted from the model fit to the data, is very odd. The problems we have encountered in the analysis of the DENZ04 data are due to the shape of the angular distributions of their $\\pi^+ p$ differential cross sections.

  9. Friday, May 9th, 2014 11:00--1:00 p.m.

    E-Print Network [OSTI]

    Massachusetts at Amherst, University of

    Olivia Brown Spencer Kuchle Trent Masiki Justin McCarthy Jacinta Saffold For the Ph.D. Donald GeeslingFriday, May 9th, 2014 11:00--1:00 p.m. S h i r l e y G r a h a m D u B o i s R e a d i n g R o o m Nielsen Jacinta Saffold For the Minor Kasi Amaral, Shawn Campbell Trevor Frederick, Carrie Howard

  10. The PM/S module and the BIO/TSR requirements comparison report summary

    SciTech Connect (OSTI)

    PEERY, B.Q.

    1999-02-24T23:59:59.000Z

    This report summarizes the comparison between the Preventive Maintenance/Surveillance System (PM/S) database and the requirements identified in the Tank Waste Remediation Systems Basis for Interim Operation (BIO) (HNF-SD-WM-BIO-001); the Technical Safety Requirements (TSR's) (HNF-SD-WM-TSR-006); The Tank Farms Administrative Controls Manual, (HNF-IP-1266); and The TWRS Facility Safety Equipment List, (HNF-SD-WM-SEL-0404). Corrective actions identified are completed or in process.

  11. 12:41 PM 6/18/99 Page 1 GENERATING TESTS FOR CONTROL PORTION OF

    E-Print Network [OSTI]

    von Bochmann, Gregor

    12:41 PM 6/18/99 Page 1 GENERATING TESTS FOR CONTROL PORTION OF SDL SPECIFICATIONS WITH SAVE 1 Gang.A, Montreal, P.Q., H3C 3J7, Canada E­mail:luo@iro.umontreal.ca, Fax: (514) 343­5834. ABSTRACT The signal SAVE are first abstracted into finite state machines with save constructs; next the resulting machines

  12. Localization and cloning of the gene(s) of bacteriophage PM2 responsible for membrane morphogenesis

    SciTech Connect (OSTI)

    Armour, G.A.

    1988-01-01T23:59:59.000Z

    Proteins implicated in membrane morphogenesis (sp6.6 and sp13) have been previously identified by analysis of membrane proteins in the membrane of the purified phage. Analysis of a ts viral mutant that produces empty membrane vesicles also indicated the unique presence of viral structural protein sp6.6. In this work the gene for sp6.6 was localized on the PM2 genome by in vitro coupled transcription-translation directed by restriction endonuclease fragments of PM2 DNA. A Hind III fragment containing the sp6.6 gene among others was cloned into pBR322 in E. coli. Examination with the electron microscope revealed the production of new membrane vesicles whose size were similar to that of the natural membrane of PM2. Clones were then constructed in the pUC family of plasmids which uses the Lac promoter and pPL-lambda which uses the promoter left of lambda. pUC clones were unable to produce vesicles or detectable sp6.6. A pPL-lambda clone was produced 3.5 Kbp in size, that produced p6.6 as detected by SDS-PAGE of radiolabeled protein and immunoblotting.

  13. Crystal field analysis of Pm$^{3+}$ (4$^{f4}) and Sm$^{3+}$ (4$^{f5}) and lattice location studies of $^{147}$Nd and $^{147}$Pm in w-AlN

    E-Print Network [OSTI]

    Vetter, Ulrich; Nijjar, Anmol S; Zandi, Bahram; Öhl, Gregor; Wahl, Ulrich; De Vries, Bart; Hofsäss, Hans; Dietrich, Marc

    2006-01-01T23:59:59.000Z

    We report a detailed crystal field analysis of Pm3+ and Sm3+ as well as lattice location studies of 147Pm and 147Nd in 2H-aluminum nitride (w-AlN). The isotopes of mass 147 were produced by nuclear fission and implanted at an energy of 60 keV. The decay chain of interest in this work is 147Nd?147Pm?147Sm (stable). Lattice location studies applying the emission channeling technique were carried out using the ?? particles and conversion electrons emitted in the radioactive decay of 147Nd?147Pm. The samples were investigated as implanted, and also they were investigated after annealing to temperatures of 873 K as well as 1373 K. The main fraction of about 60% of both 147Pm as well as 147Nd atoms was located on substitutional Al sites in the AlN lattice; the remainder of the ions were located randomly within the AlN lattice. Following radioactive decay of 147Nd, the cathodoluminescence spectra of Pm3+ and Sm3+ were obtained between 500 nm and 1050 nm at sample temperatures between 12 K and 300 K. High-re...

  14. Measuring the CKM Angle $\\gamma$ with $B^{\\pm} \\to DK^{\\pm}$ Decays at LHCb and a Determination of the $D \\to K\\pi\\pi\\pi$ Coherence Factor at CLEO-c

    E-Print Network [OSTI]

    Powell, A; Wilkinson, G

    2009-01-01T23:59:59.000Z

    With an uncertainty of $\\sim 30^{\\circ}$ from current direct measurements, the CKM angle $\\gamma$ is the least experimentally constrained CP-violating parameter of the Standard Model. Consequently, a precision determination of this phase is one of the most crucial goals of flavour physics in the coming decade. A series of highly promising strategies have been proposed that exploit the interference effects present within $B^{\\pm} \\to DK^{\\pm}$ decays. Since the LHCb experiment at CERN is set to become the most copious source of $B$ hadrons in the world, it is in a unique position to utilise such strategies. This thesis investigates LHCb's capabilities to make a precision measurement of $\\gamma$ with the exclusive decays $B^{\\pm} \\to D(KK\\pi\\pi)K^{\\pm}$ and $B^{\\pm} \\to D(K\\pi\\pi\\pi)K^{\\pm}$.\\\\ LHCb simulation studies have been performed in order to develop efficient reconstruction algorithms for the above two modes. Signal and background yields are estimated for a nominal year of LHCb data (equivalent to an in...

  15. Parents Nursery Association Committee Minutes of the Meeting Held at 7.30 pm on 11 March 1999.

    E-Print Network [OSTI]

    Cowley, Stephen J.

    Parents Nursery Association Committee Minutes of the Meeting Held at 7.30 pm on 11 March 1999 $1096.51 in the bank, of which $147.70 is owed to the French teacher. We have commitments of $42

  16. Air pollution and early deaths in the United States : attribution of PM?.? exposure to emissions species, time, location and sector

    E-Print Network [OSTI]

    Dedoussi, Irene Constantina

    2014-01-01T23:59:59.000Z

    Combustion emissions constitute the largest source of anthropogenic emissions in the US. They lead to the degradation of air quality and human health, by contributing to the formation of fine particulate matter (PM2 .5 ), ...

  17. Feasibility of using bioaugmentation with bacterial strain PM1 for bioremediation of MTBE-contaminated vadose and groundwater environments

    E-Print Network [OSTI]

    Scow, Kate M; Hristova, Krassimira

    2001-01-01T23:59:59.000Z

    2000. "In Situ Treatment of MTBE by Biostimulation of NativeAmerican Petroleum Institute MTBE Biodegradation Workshop,Detection and Quantification of MTBE-degrading Strain PM1 by

  18. San Juan, Puerto Rico -Jueves 07 Diciembre 2006. Actualizado a las 9:52:40 PM LTIMO COMENTARIO

    E-Print Network [OSTI]

    endi.com San Juan, Puerto Rico - Jueves 07 Diciembre 2006. Actualizado a las 9:52:40 PM ÚLTIMO Observatorio opera en Puerto Rico desde 1963 y es visitado por 100,000 personas al año. También ha sido

  19. Evaluation of Ambient Particulate Matter (PM) Sampler Performance Through Wind Tunnel Testing 

    E-Print Network [OSTI]

    Guha, Abhinav

    2010-07-14T23:59:59.000Z

    ) and slope. The cut-point is the particle diameter corresponding to 50% collection efficiency of the pre-separator while the slope is the ratio of particle sizes corresponding to cumulative collection efficiencies of 84.1% and 50% (d_84.1/d_50) or 50% and 15...

  20. Technical comments on EPA`s proposed revisions to the National Ambient Air Quality Standard for particulate matter

    SciTech Connect (OSTI)

    Lipfert, F.W.

    1997-03-01T23:59:59.000Z

    The US Environmental Protection Agency (EPA) has proposed new ambient air quality standards specifically for fine particulate matter, regulating concentrations of particles with median aerodynamic diameters less than 2.5 {mu}m (PM{sub 2.5}). Two new standards have been proposed: a maximum 24-hr concentration that is intended to protect against acute health effects, and an annual concentration limit that is intended to protect against longer-term health effects. EPA has also proposed a slight relaxation of the 24-hr standard for inhalable particles (PM{sub 10}), by allowing additional exceedances each year. Fine particles are currently being indirectly controlled by means of regulations for PM{sub 10} and TSP, under the Clean Air Act of 1970 and subsequent amendments. Although routine monitoring of PM{sub 2.5} is rare and data are sparse, the available data indicate that ambient concentrations have been declining at about 6% per year under existing regulations.

  1. Single-domain magnetic pillar array of 35 nm diameter and 65 Gbits/ik2 density for ultrahigh density quantum magnetic storage

    E-Print Network [OSTI]

    density quantum magnetic storage Stephen Y Chou, Mark S. Wei, Peter R. Krauss, and Paul 6. FischerSingle-domain magnetic pillar array of 35 nm diameter and 65 Gbits/ik2 density for ultrahigh is 65 Gbits/in.2-over two orders of magnitude greater than the state-of-the-art magnetic storage density

  2. Fluid Mechanics -1 An oil is used in a heat exchanger. The internal geometry consists of many small diameter tubes of fixed length

    E-Print Network [OSTI]

    Virginia Tech

    Fluid Mechanics - 1 An oil is used in a heat exchanger. The internal geometry consists of many small diameter tubes of fixed length (mounted in a bundle as indicated in the sketch). The oil is pumped). Assume the steady flow of the oil through each small tube is in the laminar regime. It is proposed

  3. Heat Transfer -2 A pure platinum wire with diameter D = 3 mm and length L = 20 mm is placed outside on a day when air temperature

    E-Print Network [OSTI]

    Virginia Tech

    Heat Transfer - 2 A pure platinum wire with diameter D = 3 mm and length L = 20 mm is placed outside on a day when air temperature T = 10o C. The heat transfer coefficient at the wire's surface h equation that includes all heat transfer mechanisms involved in this problem. Write this energy balance

  4. Quality inspection of small diameter polymeric medical tubing and attached wire stent using TAP-NDE and the Gabor Wavelet Transform 

    E-Print Network [OSTI]

    Harms, Kent David

    2001-01-01T23:59:59.000Z

    A non-contact, laser-optic based technique referred to as the Thermo-Acousto-Photonic Nondestructive Evaluation (TAP-NDE) was utilized to investigate bond integrity and localized stiffening due to an attached wire stent on small diameter polymeric...

  5. LL Pm

    Office of Legacy Management (LM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilA group currentBradleyTableSelling CorpNewCF INDUSTRIES,L? .-I I2 m.m\ LI g. /3

  6. A comparison of spanwise aerodynamic loads estimated from measured bending moments versus direct pressure measurements on horizontal axis wind turbine blades

    SciTech Connect (OSTI)

    Simms, D A; Butterfield, C P

    1991-10-01T23:59:59.000Z

    Two methods can be used to determine aerodynamic loads on a rotating wind turbine blade. The first is to make direct pressure measurements on the blade surface. This is a difficult process requiring costly pressure instrumentation. The second method uses measured flap bending moments in conjunction with analytical techniques to estimate airloads. This method, called ALEST, was originally developed for use on helicopter rotors and was modified for use on horizontal axis wind turbine blades. Estimating airloads using flap bending moments in much simpler and less costly because measurements can be made with conventional strain gages and equipment. This paper presents results of airload estimates obtained using both methods under a variety of operating conditions. Insights on the limitations and usefulness of the ALEST bending moment technique are also included. 10 refs., 6 figs.

  7. On-Road PM Mass Emission Measured with OBS-TRPM | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in ManyDepartment ofOil's Impact on OurDiesel Engines |Systems |On-LinePM

  8. Online PM Measurement for In-Use Testing | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin of Contamination in ManyDepartment ofOil's Impact on OurDieselEnergyTransformers;PM

  9. The Impact of PM and HC on EGR Cooler Fouling | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOriginEducationVideoStrategic| DepartmentDepartmentTheEnergy TheCleanTheCatalystsPM and HC on

  10. Microsoft Word - Alcoa Extension EBT Determination - 2010-10-06PM _blackline - final_.doc

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHighandSWPA / SPRA / USACE SWPAURTeC:8 3. EFFECTIVE23PM-10978, Alcoa 1 of

  11. Microsoft Word - Alcoa Extension EBT ROD Attachments - 2010-10-06PM _blackline - final_.doc

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHighandSWPA / SPRA / USACE SWPAURTeC:8 3. EFFECTIVE23PM-10978, Alcoa 1 of6,

  12. Quality inspection of small diameter polymeric medical tubing and attached wire stent using TAP-NDE and the Gabor Wavelet Transform

    E-Print Network [OSTI]

    Harms, Kent David

    2001-01-01T23:59:59.000Z

    Oscilloscope Photo- / B; Conical FTI Detector Coupler Continuous He-Ne Laser Fiber Optic Coupler ?~- / / / / Tube Clamp Figure 4 Schematic of TAP-NDE and experimental setup for generating and detecting ultrasound. 27 Wave Detection...) Clamp relaxed tube, centering defect between clamp supports 90- mm apart; 2) Pre-stress tube by inserting a 12. 5-mm in diameter spacer, pushing out top clamp support; 3) Apply light coating of transducer couplant to laser generation site; 4) Enhance...

  13. This content downloaded from 149.160.147.51 on Tue, 18 Jun 2013 14:55:13 PM All use subject to JSTOR Terms and Conditions

    E-Print Network [OSTI]

    Beer, Randall D.

    This content downloaded from 149.160.147.51 on Tue, 18 Jun 2013 14:55:13 PM All use subject:55:13 PM All use subject to JSTOR Terms and Conditions #12;This content downloaded from 149.160.147 from 149.160.147.51 on Tue, 18 Jun 2013 14:55:13 PM All use subject to JSTOR Terms and Conditions #12

  14. In Situ Electrostatic Separation of Ambient PM2.5 into Source-Specific Fractions During Collection in a FRM Sampler

    SciTech Connect (OSTI)

    Naresh Shah; Frank E. Huggins; Gerald P. Huffman

    2006-07-31T23:59:59.000Z

    Coal combustion is generally viewed as a major source of PM2.5 emissions into the atmosphere. For some time, toxicologists have been asking for an exposure environment enriched with the coal combustion source specific PM{sub 2.5} to conduct meaningful exposure studies to better understand the mechanisms of the adverse health effects of coal combustion specific PM2.5 in the ambient environment. There are several unique characteristics of primary PM generated from coal combustion. In this research project, an attempt has been made to exploit some of the unique properties of PM generated from coal fired power plants to preferentially separate them out from the rest of the primary and secondary PM in the ambient environment. An existing FRM sampler used for monitoring amount of PM{sub 2.5} in the ambient air is modified to incorporate an electrostatic field. A DC corona charging device is also installed at the ambient air inlet to impart positive or negative charge to the PM. Visual Basic software has been written to simulate the lateral movement of PM as it passes through the electrostatic separator under varying operating conditions. The PM samples collected on polycarbonate filters under varying operating conditions were extensively observed for clustering and/or separation of PM in the direction parallel to the electric field. No systematic PM separation was observed under any of the operating conditions. A solution to overcome this kind of turbulence caused remixing has been offered. However, due to major programmatic changes in the DOE UCR program, there are no venues available to further pursue this research.

  15. Stellar neutron capture cross sections of Nd, Pm, and Sm isotopes

    SciTech Connect (OSTI)

    Toukan, K.A. (College of Engineering and Technology, The University of Jordan, Amman (Jordan)); Debus, K.; Kaeppeler, F. (Kernforschungszentrum Karlsruhe, Institut fuer Kernphysik, Postfach 3640 D-76021 Karlsruhe (Germany)); Reffo, G. (ENEA, Laboratorio Dati Nucleari, Viale Ercolani 8, I-40138 Bologna (Italy))

    1995-03-01T23:59:59.000Z

    The neutron capture cross sections of [sup 146,148,150]Nd have been determined relative to that of gold by means of the activation method. The samples were irradiated in a quasistellar neutron spectrum for [ital kT]=25 keV using the [sup 7]Li([ital p],[ital n])[sup 7]Be reaction near threshold. Variation of the experimental conditions in different activations and the use of different samples allowed for the reliable determination of corrections and the evaluation of systematic uncertainties. The resulting stellar cross sections can be given with uncertainties around 6%, which represents a considerable improvement compared to previous measurements. These data are complemented by a new set of calculated cross sections for the unstable isotopes [sup 147]Nd, [sup 147,148,149]Pm, and [sup 151]Sm, which act as branching points in the [ital s]-process path. Based on these results, the [ital s]-process flow in the Nd-Pm-Sm region is discussed with respect to the neutron density during stellar helium burning and to isotopic anomalies in meteorites. The updated [ital s]-abundances are also used for a discussion of [ital r]- and [ital p]-process residuals.

  16. Level structures in {sup 147}Pm from {sup 147}Nd decay

    SciTech Connect (OSTI)

    Sainath, M.; Venkataramaniah, K. [Department of Physics, Sri Sathya Sai Institute of Higher Learning, Prashanthinilayam 515134 (India)] [Department of Physics, Sri Sathya Sai Institute of Higher Learning, Prashanthinilayam 515134 (India); Sood, P.C. [Department of Physics, Banaras Hindu University, Varanasi 221 005 (India)] [Department of Physics, Banaras Hindu University, Varanasi 221 005 (India); [Department of Physics, Sri Sathya Sai Institute of Higher Learning, Prashanthinilayam 515134 (India)

    1997-11-01T23:59:59.000Z

    The {gamma} and conversion electron spectra following the {beta} decay of {sup 147}Nd are measured using the HPGe detector and the miniorange electron spectrometer. The {sup 147}Pm level scheme comprising of 11 levels up to 686 keV excitation, interconnected by 29 transitions, is presented. The 649 keV (11) /(2) {sup {minus}} level, with six interconnecting (including two E3) transitions, is observed for the first time in decay studies. K-shell conversion coefficients for four transitions and L-shell conversion coefficients for five transitions are being reported for the first time. The I{sup {pi}}= (7) /(2) {sup +} spin-parity assignment for the 680 keV level is confirmed. Specific structure features of the {sup 147}Pm level scheme, depicting the unique coexistence of spherical shell model configurations, particle-phonon coupled multiplets, evolution of octupole collectivity, and well-developed rotational bands, are discussed; certain open questions about the spectroscopy and interpretation of the 633 and the 641 keV levels are highlighted. {copyright} {ital 1997} {ital The American Physical Society}

  17. Development of High Precision Timing Counter Based on Plastic Scintillator with SiPM Readout

    E-Print Network [OSTI]

    Paolo W. Cattaneo; Matteo De Gerone; Flavio Gatti; Miki Nishimura; Wataru Ootani; Massimo Rossella; Yusuke Uchiyama

    2014-08-11T23:59:59.000Z

    High-time-resolution counters based on plastic scintillator with silicon photomultiplier (SiPM) readout have been developed for applications to high energy physics experiments for which relatively large-sized counters are required. We have studied counter sizes up to $120\\times40\\times5$ mm^3 with series connection of multiple SiPMs to increase the sensitive area and thus achieve better time resolution. A readout scheme with analog shaping and digital waveform analysis is optimized to achieve the highest time resolution. The timing performance is measured using electrons from a Sr-90 radioactive source, comparing different scintillators, counter dimensions, and types of near-ultraviolet sensitive SiPMs. As a result, a resolution of $\\sigma =42 \\pm 2$ ps at 1 MeV energy deposition is obtained for counter size $60\\times 30 \\times 5$ mm^3 with three SiPMs ($3\\times3$ mm^2 each) at each end of the scintillator. The time resolution improves with the number of photons detected by the SiPMs. The SiPMs from Hamamatsu Photonics give the best time resolution because of their high photon detection efficiency in the near-ultraviolet region. Further improvement is possible by increasing the number of SiPMs attached to the scintillator.

  18. Fractional-Slot Surface Mounted PM Motors with Concentrated Windings for HEV Traction Drives

    SciTech Connect (OSTI)

    Bailey, J.M.

    2005-10-24T23:59:59.000Z

    High-power density and efficiency resulting from elimination of rotor windings and reduced magnetic-flux losses have made the rare earth permanent magnet (PM) motor a leading candidate for the Department of Energy's Office of FreedomCAR and Vehicle Technologies (FCVTs) traction drive motor. These traction drives are generally powered by radial-gap motors, having the magnets on or embedded in a rotating cylinder separated from the inside surface of a slotted cylindrical stator by an annular gap. The two main types of radial-gap PM rotors are those with magnets mounted on the surface of a supporting back iron, called PM surface mounted (PMSM) motors, and those with magnets mounted in slots in the rotor, called interior PM (IPM) motors. Most early PM motor research was on the PMSM motor, which was thought to have an inherently low stator inductance. A low stator inductance can lead to currents dangerously exceeding rated current as the back-emf across the inductance increases with speed; consequently, part of the attempted solution has been to increase the stator inductance to reduce the rate of current rise. Although analysis suggested that there should be no problem designing sufficiently high stator inductance into PMSMs, attempts to do so were often not successful and a motor design was sought that would have a higher intrinsic inductance. Commercial research at Toyota has focused on IPM motors because they can achieve a high-saliency ratio, which helps them operate over a high constant power speed ratio (CPSR), but they are more difficult to fabricate. The Oak Ridge National Laboratory's (ORNL) position has been to continue research on brushless direct current (dc) motors (BDCMs) because of ease of fabrication and increased power output. Recently there has been a revival of interest in a fractional-slot PMSMs [15] made with concentrated windings because they possess three important features. First, they can increase the motor's inductance sufficiently to reduce the characteristic current to value of the rated current, which will enable them to operate at high CPSR. This feature also limits short-circuit fault currents. Second, their segmented structure simplifies assembly problems and is expected to reduce assembly costs. Third, the back-emf waveform is nearly sinusoidal with low cogging. To examine in depth this design ORNL entered into a collaborative agreement with the University of Wisconsin to build and test a 6 kW laboratory demonstration unit. Design, fabrication, and testing of the unit to 4000 rpm were completed during FY 2005. The motor will be sent to ORNL to explore ways to control its inverter to achieve higher efficiency during FY 2006. This paper first reviews the concept of characteristic current and what is meant by optimal flux weakening. It then discusses application of the fractional-slot concentrated winding technique to increase the d-axis inductance of a PMSM showing how this approach differs from an integral-slot motor with sinusoidal-distributed windings. This discussion is followed by a presentation of collaborative analyses and comparison with the University of Wisconsin's measured data on a 6 kW, 36-slot, 30-pole motor with concentrated windings. Finally ORNL presents a PMSM design with integral-slot windings that appears to meet the FreedomCAR Specifications, but has some disadvantages. Further collaboration with the University of Wisconsin is planned for FY 2006 to design a motor that meets FreedomCAR specifications.

  19. Date Days OCE Title Presenter / Sponsoring Organization Time Location 1 1/23/13 Wednesday Classroom Success Kate Forynna 6:00PM Downtown Library Rm. 104 Yes

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    Unconventional Shale R&D: Flow back/Produced Water Treatment," MAE/ Jason Trembly 1:30PM ESB 201 Yes 36 3

  20. State Date Time School City AR 10/4/2010 1:00 PM eStem High Public Charter Scho Little Rock

    E-Print Network [OSTI]

    Royer, Dana

    :45 AM Thacher School Ojai CA 10/18/2010 5:00 PM Cate School Carpinteria CA 10/19/2010 9:30 AM Palos

  1. Whole-genorne analysis of the methyl tert-butyl ether-degrading beta-proteobacterium Methylibium petroleiphilum PM1

    SciTech Connect (OSTI)

    Kane, Staci R. [Lawrence Livermore National Laboratory (LLNL); Chakicherla, Anu Y. [Lawrence Livermore National Laboratory (LLNL); Chain, Patrick S. G. [Lawrence Livermore National Laboratory (LLNL); Schmidt, Radomir [University of California, Davis; Shin, M [U.S. Department of Energy, Joint Genome Institute; Legler, Tina C. [Lawrence Livermore National Laboratory (LLNL); Scow, Kate M. [University of California, Davis; Larimer, Frank W [ORNL; Lucas, Susan [Joint Genome Institute, Walnut Creek, California; Richardson, P M [U.S. Department of Energy, Joint Genome Institute; Hristova, Krassimira R. [University of California, Davis

    2007-03-01T23:59:59.000Z

    Methylibium petroleiphilum PM1 is a methylotroph distinguished by its ability to completely metabolize the fuel oxygenate methyl tert-butyl ether (MTBE). Strain PM1 also degrades aromatic (benzene, toluene, and xylene) and straight-chain (C, to C,,) hydrocarbons present in petroleum products. Whole-genome analysis of PM1 revealed an similar to 4-Mb circular chromosome and an similar to 600-kb megaplasmid, containing 3,831 and 646 genes, respectively. Aromatic hydrocarbon and alkane degradation, metal resistance, and methylotrophy are encoded on the chromosome. The megaplasmid contains an unusual t-RNA island, numerous insertion sequences, and large repeated elements, including a 40-kb region also present on the chromosome and a 29-kb tandem repeat encoding phosphonate transport and cobalamin biosynthesis. The megaplasmid also codes for alkane degradation and was shown to play an essential role in MTBE degradation through plasmid-curing experiments. Discrepancies between the insertion sequence element distribution patterns, the distributions of best BLASTP hits among major phylogenetic groups, and the G+C contents of the chromosome (69.2%) and plasmid (66%), together with comparative genome hybridization experiments, suggest that the plasmid was recently acquired and apparently carries the genetic information responsible for PM1's ability to degrade MTBE. Comparative genomic hybridization analysis with two PM1-like MTBE-degrading environmental isolates (similar to 99% identical 16S rRNA gene sequences) showed that the plasmid was highly conserved (ca. 99% identical), whereas the chromosomes were too diverse to conduct resequencing analysis. PM1's genome sequence provides a foundation for investigating MTBE biodegradation and exploring the genetic regulation of multiple biodegradation pathways in M. petroleiphilum and other MTBE-degrading beta-proteobacteria.

  2. "HEALTH REFORM: MOVING FORWARD, FOCUS ON THE STATES" Join us Monday, March 28, 2011 from 6:00pm -7:30pm for an interactive video conference. Health policy

    E-Print Network [OSTI]

    Schrag, Daniel

    and Georgetown University will explore health care reform initiatives and state responses to the federal law"HEALTH REFORM: MOVING FORWARD, FOCUS ON THE STATES" Join us Monday, March 28, 2011 from 6:00pm - 7; former Chief Operating Officer, Partners Health Care John McDonough, Professor of the Practice of Public

  3. Computational mechanics research and support for aerodynamics and hydraulics at TFHRC. Quarterly report January through March 2011. Year 1 Quarter 2 progress report.

    SciTech Connect (OSTI)

    Lottes, S. A.; Kulak, R. F.; Bojanowski, C. (Energy Systems)

    2011-05-19T23:59:59.000Z

    This project was established with a new interagency agreement between the Department of Energy and the Department of Transportation to provide collaborative research, development, and benchmarking of advanced three-dimensional computational mechanics analysis methods to the aerodynamics and hydraulics laboratories at the Turner-Fairbank Highway Research Center for a period of five years, beginning in October 2010. The analysis methods employ well-benchmarked and supported commercial computational mechanics software. Computational mechanics encompasses the areas of Computational Fluid Dynamics (CFD), Computational Wind Engineering (CWE), Computational Structural Mechanics (CSM), and Computational Multiphysics Mechanics (CMM) applied in Fluid-Structure Interaction (FSI) problems. The major areas of focus of the project are wind and water loads on bridges - superstructure, deck, cables, and substructure (including soil), primarily during storms and flood events - and the risks that these loads pose to structural failure. For flood events at bridges, another major focus of the work is assessment of the risk to bridges caused by scour of stream and riverbed material away from the foundations of a bridge. Other areas of current research include modeling of flow through culverts to assess them for fish passage, modeling of the salt spray transport into bridge girders to address suitability of using weathering steel in bridges, vehicle stability under high wind loading, and the use of electromagnetic shock absorbers to improve vehicle stability under high wind conditions. This quarterly report documents technical progress on the project tasks for the period of January through March 2011.

  4. Aerodynamics and Heat Transfer Studies of Parameters Specific to the IGCC-Requirements: Endwall Contouring, Leading Edge and Blade Tip Ejection under Rotating Turbine Conditions

    SciTech Connect (OSTI)

    Schobeiri, Meinhard; Han, Je-Chin

    2014-09-30T23:59:59.000Z

    This report deals with the specific aerodynamics and heat transfer problematic inherent to high pressure (HP) turbine sections of IGCC-gas turbines. Issues of primary relevance to a turbine stage operating in an IGCC-environment are: (1) decreasing the strength of the secondary flow vortices at the hub and tip regions to reduce (a), the secondary flow losses and (b), the potential for end wall deposition, erosion and corrosion due to secondary flow driven migration of gas flow particles to the hub and tip regions, (2) providing a robust film cooling technology at the hub and that sustains high cooling effectiveness less sensitive to deposition, (3) investigating the impact of blade tip geometry on film cooling effectiveness. The document includes numerical and experimental investigations of above issues. The experimental investigations were performed in the three-stage multi-purpose turbine research facility at the Turbomachinery Performance and Flow Research Laboratory (TPFL), Texas A&M University. For the numerical investigations a commercial Navier-Stokes solver was utilized.

  5. Using Mesoscale Weather Model Output as Boundary Conditions for Atmospheric Large-Eddy Simulations and Wind-Plant Aerodynamic Simulations (Presentation)

    SciTech Connect (OSTI)

    Churchfield, M. J.; Michalakes, J.; Vanderwende, B.; Lee, S.; Sprague, M. A.; Lundquist, J. K.; Moriarty, P. J.

    2013-10-01T23:59:59.000Z

    Wind plant aerodynamics are directly affected by the microscale weather, which is directly influenced by the mesoscale weather. Microscale weather refers to processes that occur within the atmospheric boundary layer with the largest scales being a few hundred meters to a few kilometers depending on the atmospheric stability of the boundary layer. Mesoscale weather refers to large weather patterns, such as weather fronts, with the largest scales being hundreds of kilometers wide. Sometimes microscale simulations that capture mesoscale-driven variations (changes in wind speed and direction over time or across the spatial extent of a wind plant) are important in wind plant analysis. In this paper, we present our preliminary work in coupling a mesoscale weather model with a microscale atmospheric large-eddy simulation model. The coupling is one-way beginning with the weather model and ending with a computational fluid dynamics solver using the weather model in coarse large-eddy simulation mode as an intermediary. We simulate one hour of daytime moderately convective microscale development driven by the mesoscale data, which are applied as initial and boundary conditions to the microscale domain, at a site in Iowa. We analyze the time and distance necessary for the smallest resolvable microscales to develop.

  6. Graduate Survey of Immunology (061:247) Monday, Wednesday and Friday, 2:30 3:20 PM, Watzke Auditorium (Aud 3), BSB

    E-Print Network [OSTI]

    in advance. Small Group Discussions: There will be eight small group discussion sessions in this course:20 PM, Watzke Auditorium (Aud 3), BSB Small Group Discussion Sessions: Thursdays, 3-3:50 PM, 5-664 BSB through formal lectures on specific topics, small group discussions based on chosen case studies

  7. Different Virtual Stator Winding Configurations of Open-End Winding Five-Phase PM Machines for Wide Speed Range without Flux Weakening Operation

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Different Virtual Stator Winding Configurations of Open-End Winding Five-Phase PM Machines for Wide of double-ended inverter system for wide-speed range of open- winding five phase PM machines. Different virtual winding configurations (star, pentagon, pentacle and bipolar) can be obtained by choosing

  8. J.M. Butler, Proceedings of the International Symposium on Human Identification (2014) http://www.promega.com/products/pm/genetic-identity/ishi-conference-proceedings/proceedings-index-home/

    E-Print Network [OSTI]

    2014-01-01T23:59:59.000Z

    .promega.com/products/pm/genetic-identity/ishi-conference-proceedings/proceedings-index-home/ Page 1 of 18://www.promega.com/products/pm/genetic-identity/ishi-conference-proceedings/proceedings-index-home/ PageJ.M. Butler, Proceedings of the International Symposium on Human Identification (2014) http://www

  9. A low cost network of spectrometer radiation detectors based on the ArduSiPM a compact transportable Software/Hardware Data Acquisition system with Arduino DUE

    E-Print Network [OSTI]

    Bocci, Valerio; Iacoangeli, Francesco; Nuccetelli, Massimo; Recchia, Luigi

    2015-01-01T23:59:59.000Z

    The necessity to use Photo Multipliers (PM) as light detector limited in the past the use of crystals in radiation handled device preferring the Geiger approach. The Silicon Photomultipliers (SiPMs) are very small and cheap, solid photon detectors with good dynamic range and single photon detection capability, they are usable to supersede in some application cumbersome and difficult to use Photo Multipliers (PM). A SiPM can be coupled with a scintillator crystal to build efficient, small and solid radiation detector. A cost effective and easily replicable Hardware software module for SiPM detector readout is made using the ArduSiPM solution [1]. The ArduSiPM is an easily battery operable handled device using an Arduino DUE (an open Software/Hardware board) as processor board and a piggy-back custom designed board (ArduSiPM Shield), the Shield contains all the blocks features to monitor, set and acquire the SiPM using internet network.

  10. Reaction Kinetics and Polarization-Modulation Infrared Reflection Absorption Spectroscopy (PM-IRAS) Investigation of CO Oxidation over Supported Pd-Au Alloy Catalysts

    E-Print Network [OSTI]

    Goodman, Wayne

    dissociation, using polarization-modula- tion infrared reflection absorption spectroscopy (PM-IRAS). At nearReaction Kinetics and Polarization-Modulation Infrared Reflection Absorption Spectroscopy (PM automotive converter catalysis, that is, reactions at or near stoichiometry, CO pressures of 0.01 atm

  11. Extensive aerosol optical properties and aerosol mass related measurements during TRAMP/TexAQS 2006 Implications for PM compliance and planning

    E-Print Network [OSTI]

    ­ Implications for PM compliance and planning Monica E. Wright a , Dean B. Atkinson a,*, Luke Ziemba b , Robert Griffin b,1 , Naruki Hiranuma c , Sarah Brooks c , Barry Lefer d , James Flynn d , Ryan Perna d , Bernhard 2008 Received in revised form 16 December 2008 Accepted 17 December 2008 Keywords: Urban air quality PM

  12. The application of the fusion method of thermit welding to small diameter tubing: An analysis of mold design and powder quantity.

    E-Print Network [OSTI]

    Eller, Frank Charles

    1972-01-01T23:59:59.000Z

    of thermit welding to the joining of small diameter steel tubing. This research was done in cooperation with Thomas M. Glynn (7), who investigated another basic aspect of this problem, Thermit welding is one of the oldest welding processes. It makes use... in the joining of ferrous metals of large cross sectional area, usually castings or f'orgings in the railroad and shipping industries. During this period, thermit welding was also applied to the joining of pipe by a process called the plastic method. This iv...

  13. A forgotten little chapter on isoperimetric inequalities: On the fraction of a convex and closed plane area lying outside a circle with which it shares a diameter

    E-Print Network [OSTI]

    Jose M. Pacheco

    2007-01-21T23:59:59.000Z

    Often some interesting or simply curious points are left out when developing a theory. It seems that one of them is the existence of an upper bound for the fraction of area of a convex and closed plane area lying outside a circle with which it shares a diameter, a problem stemming from the theory of isoperimetric inequalities. In this paper such a bound is constructed and shown to be attained for a particular area. It is also shown that convexity is a necessary condition in order to avoid the whole area lying outside the circle.

  14. From: training@ucsf.edu [training@ucsf.edu] Sent: Tuesday, February 26, 2013 10:07 PM

    E-Print Network [OSTI]

    Klein, Ophir

    From: training@ucsf.edu [training@ucsf.edu] Sent: Tuesday, February 26, 2013 10:07 PM To: Name, Employee Subject: UCSF PRIVACY TRAINING ASSIGNED TO EMPLOYEE NAME Employee Name, Welcome to UC San patients. To support this commitment, new employees must complete privacy training. UCSF provides various

  15. Problems #7, Math 311, Dr. M. Bohner. Mar 19, 2003. Due Apr 2, 1 pm. 138. Let A =

    E-Print Network [OSTI]

    Bohner, Martin

    Problems #7, Math 311, Dr. M. Bohner. Mar 19, 2003. Due Apr 2, 1 pm. 138. Let A = a b b c . Show by f(x, y, z) = (x2 +2y2 )e-(x2+y2) +zez . 147. In order to produce a box we have two materials

  16. PM950 Seminar Topics Talks will be 50 minutes long, scheduled on Dec. 9, 11 and 12.

    E-Print Network [OSTI]

    Davidson, Ken

    PM950 Seminar Topics Talks will be 50 minutes long, scheduled on Dec. 9, 11 and 12. Please plan of analytic functions, Amer. J. Math. 89 (1967), 932­941. See Gamelin pp.147­151 or Stout, parts of pp.321

  17. PNNL Lab Homes Ribbon Cutting Ceremony Tuesday, November 15, 2011 10:00 am 12:00 pm

    E-Print Network [OSTI]

    PNNL Lab Homes Ribbon Cutting Ceremony Tuesday, November 15, 2011 · 10:00 am ­ 12:00 pm 6th Street and Q Avenue, PNNL Campus · Richland, Washington Sponsors DOE/BT/Building America · DOE/BT/Windows and Envelope R&D DOE/Office of Electricity · Bonneville Power Administration PNNL Facilities · City of Richland

  18. Access Provided by Queen's University Library at 07/21/11 2:38PM GMT The ICE Approach

    E-Print Network [OSTI]

    Graham, Nick

    Access Provided by Queen's University Library at 07/21/11 2:38PM GMT #12;The ICE Approach: Saving-Young and Robert J. Wilson, ICE is a tool for assessing student learning. The basic principles are outlined in their co-authored book, Assessment and Learning: The ICE Approach. Standing for Ideas, Connections

  19. 5:OOpm -5:15pm Temperature Dependence of Breakdown Voltage in InAlAsDnGaAs HEMTs

    E-Print Network [OSTI]

    del Alamo, Jesús A.

    in the channel. Our work shows that an extension of the tunneling-limited breakdown model to finite temperatures the breakdown path, we began our analysis by looking at 2- and 3-terminal measurements of the breakdown voltage5:OOpm -5:15pm MC6 Temperature Dependence of Breakdown Voltage in InAlAsDnGaAs HEMTs: Theory

  20. GAL.BLAYDES-FIRESTONE.DOC 11/19/2008 2:01 PM WIND POWER, WILDLIFE, AND THE MIGRATORY BIRD

    E-Print Network [OSTI]

    Firestone, Jeremy

    GAL.BLAYDES-FIRESTONE.DOC 11/19/2008 2:01 PM [1167] WIND POWER, WILDLIFE, AND THE MIGRATORY BIRD by discussing the rapid domestic growth of wind power and the implications for turbine-related avian and bat impacts, and then examine other anthropogenic sources of avian mortality. Next, we provide a broad

  1. Date Created: 6/8/2011 12:30:00 PM Page 1 Overview of an Employee Timesheet

    E-Print Network [OSTI]

    for an employees timesheet: EmplID and Department ID First let's Search using EmplID: Enter the Empl Date Created: 6/8/2011 12:30:00 PM Step Action 8. Now let's search using the Department ID: Enter the Department ID into the Department field. Note: When searching by Department Number you must enter

  2. CAMPUS PLANNING COMMITTEE Minutes of Meeting: May 23, 2013: 2:30 4:30 pm, ASB 120

    E-Print Network [OSTI]

    Victoria, University of

    parking spaces - Project budget is $500,000, funded by Parking Services as part of the TDM program project budget - Development variance permit approval required for 1 parking space required underCAMPUS PLANNING COMMITTEE Minutes of Meeting: May 23, 2013: 2:30 ­ 4:30 pm, ASB 120 Membership

  3. Refreshments will be served in CAB 649 at 2:30 p.m. PIMS / AMI Seminar

    E-Print Network [OSTI]

    Yu, Xinwei

    :00 p.m. CAB 365 "Cold Heavy Oil Production with Sand: Recovery Mechanisms & Field Performance" Dr. Ron Sawatzky Alberta Innovates Technology Futures Abstract Cold heavy oil production with sand (CHOPS) is a method for enhancing primary production from heavy oil reservoirs by producing sand aggressively along

  4. Oil Flow Rale Problem Behler, David D 0 McNutt, Marcia K 05/23/201001 :04 PM

    E-Print Network [OSTI]

    Fleskes, Joe

    Oil Flow Rale Problem t Behler, David D 0 McNutt, Marcia K 05/23/201001 :04 PM Marcia - just some thoughts on the oil flow rate problem. Over the past few weeks, it's become apparent that the oil flow rate it's best to frame a range of estimated oil flow rates and refine the range over time as the tools

  5. 26:478:541 / 26:553:607 Global Political Economy Wednesdays 5:30-8:10 PM

    E-Print Network [OSTI]

    Lin, Xiaodong

    26:478:541 / 26:553:607 Global Political Economy Fall 2010 Wednesdays 5:30-8:10 PM Professor Susan economy. In such a world, domestic political and economic dynamics can have global consequences, and events in the global economy can redound to the benefit or detriment of nation states. This course

  6. Texture-orientation mechanisms pool colour and luminance contrast P.M. Pearson a,*, F.A.A. Kingdom b

    E-Print Network [OSTI]

    Kingdom, Frederick A. A.

    Texture-orientation mechanisms pool colour and luminance contrast P.M. Pearson a,*, F.A.A. Kingdom-sensitive mechanisms operate separately on, or pool, luminance and colour contrast information? We addressed comprised of gabor elements defined by either colour or luminance contrast. In both the uncrossed (all

  7. Presentations, seminars and tutorials 1. 7 April 2011, at 5:20pm. Rational authentication protocols. Host: Dr. Tom

    E-Print Network [OSTI]

    Jeavons, Peter

    ://lasecwww.epfl.ch/php_code/seminars/display_details.php?id=69 5. 28 September 2010, at 2:30pm. The security group of the PaloAlto Research Center (PARC, Xerox Lab), Palo Alto (California), USA. (Link: http://www.parc

  8. Eco-Loco Arizona Renewable Energy Conference Friday, September 7th, 2012 9 AM to 4 PM

    E-Print Network [OSTI]

    Hall, Sharon J.

    Eco-Loco Arizona Renewable Energy Conference Friday, September 7th, 2012 9 AM to 4 PM Keynote Speaker Ms. Leisa Brug director of the Governor's office of Energy Policy Renewable Energy projects projects that would benefit them. The Arizona Renewable Energy Conference provides an opportunity for all

  9. Soil water and particle size distribution influence laboratory-generated PM10 Nicholaus M. Madden a,*, Randal J. Southard a

    E-Print Network [OSTI]

    Ahmad, Sajjad

    Soil water and particle size distribution influence laboratory-generated PM10 Nicholaus M. Madden a Soil particle size distribution Soil water content a b s t r a c t Management of soils to reduce earlier work of predicting tillage-generated dust emissions based on soil properties. We focus

  10. Melanoma Education Symposium September 22, 2012 | 8 a.m.-12 p.m. | Auditorium E & F

    E-Print Network [OSTI]

    Myers, Lawrence C.

    Melanoma Education Symposium September 22, 2012 | 8 a.m.-12 p.m. | Auditorium E & F Norris Cotton.m. Breakfast and Registration 8:30-8:40 a.m. Welcome - Keynote Valerie Guild - President, AIM at Melanoma 8:40-9:10 a.m. 2012 Melanoma Landscape Marc S. Ernstoff, MD, Director Melanoma Program, Norris Cotton Cancer

  11. San Juan, Puerto Rico -Jueves 07 Diciembre 2006. Actualizado a las 12:45:28 PM Investigarn del

    E-Print Network [OSTI]

    endi.com San Juan, Puerto Rico - Jueves 07 Diciembre 2006. Actualizado a las 12:45:28 PM Blasini en el concurso Miss Puerto Rico Universe 2007? Era la mejor candidata Habían otras más bellas e $15 millones para ese pueblo anualmente. El Observatorio opera en Puerto Rico desde 1963 y es visitado

  12. San Juan, Puerto Rico -Jueves 07 Diciembre 2006. Actualizado a las 8:39:48 PM LTIMO COMENTARIO

    E-Print Network [OSTI]

    endi.com San Juan, Puerto Rico - Jueves 07 Diciembre 2006. Actualizado a las 8:39:48 PM ÚLTIMO radiotelescopio más grande del mundo, tiene un valor científico más allá de Puerto Rico, por lo que amerita que el Puerto Rico, como ese observatorio en Arecibo que permite el intercambio de conocimiento en áreas

  13. San Juan, Puerto Rico -Jueves 07 Diciembre 2006. Actualizado a las 5:23:26 PM ANTERIOR | SIGUIENTE

    E-Print Network [OSTI]

    endi.com San Juan, Puerto Rico - Jueves 07 Diciembre 2006. Actualizado a las 5:23:26 PM « ANTERIOR Puerto Rico", manifestó. El radiotelescopio es parte del Centro Nacional de Astronomía e Ionosfera (NAIC / Puerto Rico Hoy Por The Associated Press (10:05 a.m.) Pidió a la NSF que no adopte las recomendaciones de

  14. Econometrics (26:223:554:01) Fall 2000 Meets Thursdays, 10 AM-12:50 PM, Eng. 213, Newark Campus

    E-Print Network [OSTI]

    Lin, Xiaodong

    Econometrics (26:223:554:01) Fall 2000 Meets Thursdays, 10 AM-12:50 PM, Eng. 213, Newark Campus://www.rci.rutgers.edu/~rpatrick/hp.html The purpose of this course is to develop basic econometric estimation and hypothesis testing tools necessary on the theoretical foundations of econometric analysis and strategies for applying these basic econometric methods

  15. Advanced Econometrics (26:223:655:01) Spring 2003 Meets Wednesdays, 1-3:50 PM, Global Financial Management Center

    E-Print Network [OSTI]

    Lin, Xiaodong

    Advanced Econometrics (26:223:655:01) Spring 2003 Meets Wednesdays, 1-3:50 PM, Global Financial of the material covered in Econometrics (26:223:554). The purpose of this course is to develop advanced econometric estimation and hypothesis testing tools to analyze and interpret the empirical relevance

  16. AGRY 598/FNR 598 Ecological Footprints, Spring 2010 Pfendler 203, TTh, 1:30 -2:45 pm

    E-Print Network [OSTI]

    Jackson, Scott A.

    that residents of Tippecanoe County can use to quantify their stormwater footprint, carbon footprint and backyard this tool. Students will learn how to: o Quantify a stormwater footprint o Quantify a carbon footprint o1/5 Syllabus AGRY 598/FNR 598 Ecological Footprints, Spring 2010 Pfendler 203, TTh, 1:30 - 2:45 pm

  17. UNBC HPC Policy last revised: 2/1/2007, 2:49:29 PM UNBC Enhanced High Performance Computing Center

    E-Print Network [OSTI]

    Northern British Columbia, University of

    UNBC HPC Policy last revised: 2/1/2007, 2:49:29 PM UNBC Enhanced High Performance Computing Center and contracts are sought by Principal Investigators. Membership Policies The UNBC Enhanced High Performance Computing Center (called " UNBC HPC" hereafter) provides computing resources and services to members

  18. Introduction to Weather and Climate Lab L1 Monday, 2:00-4:40 pm Nat. Res. 108

    E-Print Network [OSTI]

    ATS 351 Introduction to Weather and Climate Lab Fall 2013 L1 ­ Monday, 2:00-4:40 pm ­ Nat. Res. 108, Lab 10 returned 15*+ 12/9 Severe Weather and Lightning 13 Lab 12 due, Lab 11 returned 16 Climate

  19. Academy of LDS Dentists http://cedev.byu.edu/cw/dentist/[9/12/2013 1:49:30 PM

    E-Print Network [OSTI]

    Olsen Jr., Dan R.

    Academy of LDS Dentists http://cedev.byu.edu/cw/dentist/[9/12/2013 1:49:30 PM] An Invitation from of neccesity, education is a continuing process." So on behalf of the Academy's executive committee, I invite developed with our newest conference participants and Academy members - young dentists and recent graduates

  20. CS 312 Problem Set 6: -Shark (CTF) Assigned: April 15, 2004 Due: 11:59PM, May 6, 2004

    E-Print Network [OSTI]

    Myers, Andrew C.

    CS 312 Problem Set 6: -Shark (CTF) Assigned: April 15, 2004 Due: 11:59PM, May 6, 2004 Design review your project group to use the RCL interpreter you wrote in PS5 to build a robotic battle capture and design review omitted here) 1 In honor of the lambda calculus, a predecessor to ML and other functional

  1. Speciation of ambient fine organic carbon particles and source apportionment of PM2.5 in Indian cities

    E-Print Network [OSTI]

    Zheng, Mei

    Speciation of ambient fine organic carbon particles and source apportionment of PM2.5 in Indian, and Chandigarh is speciated to quantify sources contributing to fine particle pollution. Gas chromatography patterns of the impact of these five sources are observed. On average, primary emissions from fossil fuel

  2. Top Engineers to Investigate Cause of Oil by Lauren Schenkman on July 13, 2010 6:02 PM |

    E-Print Network [OSTI]

    Southern California, University of

    in the nuclear power, aviation, and petrochemical industries. · M. Elisabeth Paté-Cornell, Burt and Deedee McTop Engineers to Investigate Cause of Oil Spill by Lauren Schenkman on July 13, 2010 6:02 PM | Investigations into the gulf oil disaster are multiplying. The National Academy of Engineering (NAE

  3. Published: April 11, 2013 Updated: 3:27 p.m. UCI uses kidney bean leaves to stop bedbugs'

    E-Print Network [OSTI]

    Rose, Michael R.

    Published: April 11, 2013 Updated: 3:27 p.m. UCI uses kidney bean leaves to stop bedbugs' bite #12 can be trapped and defeated by the humble kidney bean plant ­ specifically, kidney bean leaves, which shows bed bugs. UCI researchers have created an artificial version of kidney bean leaves' hooked surface

  4. Copyright 2010, USC/ISI. All rights reserved.2/7/2011 3:46 PM 1 Recursion and the

    E-Print Network [OSTI]

    Touch, Joe

    Copyright 2010, USC/ISI. All rights reserved.2/7/2011 3:46 PM 1 Recursion and the Transport Tussle Joe Touch Postel Center Director USC/ISI Research Assoc. Prof. USC CS and EE/Systems Depts. #12;Copyright 2009, USC/ISI. All rights reserved. Overview Internet stack isn't forked (Ford) Flows separate

  5. Flux-Weakening Strategies for a Five-Phase PM Synchronous Machine Li Lu(1)(2)

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    (Five-Phase PMSM), Maximum Torque Per Ampere(MTPA), base speed, back-EMF I. Model of a Five-Phase PM Synchronous Machine(Five-Phase PMSM) In order to deduce a control structure for a five-phase machine, a modelling

  6. West Virginia UniversitySHRM ESSENTIALS OF HR MANAGEMENT December 2 & 3, 2010 9am -4pm

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    management skills. · Representatives selling or supporting HR systems and services. · International HRWest Virginia UniversitySHRM ESSENTIALS OF HR MANAGEMENT December 2 & 3, 2010 9am - 4pm Erickson Alumni Center, Morgantown, WV Quality Training = Big Return on Investment Human resource issues impact

  7. Refreshments will be served in CAB 649 at 2:30 p.m. PIMS / AMI Seminar

    E-Print Network [OSTI]

    Yu, Xinwei

    , the recovery of unconventional oil and gas (such as heavy oil, oil sands, tight gas, and shale gas) is now:00 p.m. CAB 365 "Unconventional Oil and Gas Reservoir Modeling and Simulation" Professor Zhangxing John. With this understanding the models are then applied to the needs of the petroleum industry to design enhanced oil and gas

  8. Acute changes in pulse pressure in relation to constituents of particulate air pollution in elderly persons

    SciTech Connect (OSTI)

    Jacobs, Lotte [Occupational and Environmental Medicine, Unit of Lung Toxicology, K.U.Leuven, Leuven (Belgium)] [Occupational and Environmental Medicine, Unit of Lung Toxicology, K.U.Leuven, Leuven (Belgium); Buczynska, Anna [Departement of Chemistry, UA, Wilrijk (Belgium)] [Departement of Chemistry, UA, Wilrijk (Belgium); Walgraeve, Christophe [Research group EnVOC, Department of Sustainable Organic Chemistry and Technology, UGent, Gent (Belgium)] [Research group EnVOC, Department of Sustainable Organic Chemistry and Technology, UGent, Gent (Belgium); Delcloo, Andy [Royal Meteorological Institute, Brussels (Belgium)] [Royal Meteorological Institute, Brussels (Belgium); Potgieter-Vermaak, Sanja [Departement of Chemistry, UA, Wilrijk (Belgium) [Departement of Chemistry, UA, Wilrijk (Belgium); Molecular Science Institute, School of Chemistry, University of Witwatersrand, Johannesburg (South Africa); Division of Chemistry and Environmental Science, Manchester Metropolitan University, Manchester (United Kingdom); Van Grieken, Rene [Departement of Chemistry, UA, Wilrijk (Belgium)] [Departement of Chemistry, UA, Wilrijk (Belgium); Demeestere, Kristof; Dewulf, Jo; Van Langenhove, Herman [Research group EnVOC, Department of Sustainable Organic Chemistry and Technology, UGent, Gent (Belgium)] [Research group EnVOC, Department of Sustainable Organic Chemistry and Technology, UGent, Gent (Belgium); De Backer, Hugo [Royal Meteorological Institute, Brussels (Belgium)] [Royal Meteorological Institute, Brussels (Belgium); Nemery, Benoit, E-mail: ben.nemery@med.kuleuven.be [Occupational and Environmental Medicine, Unit of Lung Toxicology, K.U.Leuven, Leuven (Belgium)] [Occupational and Environmental Medicine, Unit of Lung Toxicology, K.U.Leuven, Leuven (Belgium); Nawrot, Tim S. [Occupational and Environmental Medicine, Unit of Lung Toxicology, K.U.Leuven, Leuven (Belgium) [Occupational and Environmental Medicine, Unit of Lung Toxicology, K.U.Leuven, Leuven (Belgium); Centre for Environmental Sciences, Hasselt University, Diepenbeek (Belgium)

    2012-08-15T23:59:59.000Z

    An increased pulse pressure (difference between systolic and diastolic blood pressure) suggests aortic stiffening. The objective of this study was to examine the acute effects of both particulate matter (PM) mass and composition on blood pressure, among elderly persons. We carried out a panel study in persons living in elderly homes in Antwerp, Belgium. We recruited 88 non-smoking persons, 70% women with a mean age of 83 years (standard deviation: 5.2). Blood pressure was measured and a blood sample was collected on two time points, which were chosen so that there was an exposure contrast in ambient PM exposure. The elemental content of the collected indoor and outdoor PM{sub 2.5} (particulate matter with an aerodynamic diameter <2.5 {mu}m) mass concentration was measured. Oxygenated polycyclic aromatic hydrocarbons (oxy-PAHs) on outdoor PM{sub 10} (particulate matter with an aerodynamic diameter <10 {mu}m) were measured. Each interquartile range increase of 20.8 {mu}g/m Superscript-Three in 24-h mean outdoor PM{sub 2.5} was associated with an increase in pulse pressure of 4.0 mmHg (95% confidence interval: 1.8-6.2), in persons taking antihypertensive medication (n=57), but not in persons not using antihypertensive medication (n=31) (p for interaction: 0.02). Vanadium, iron and nickel contents of PM{sub 2.5} were significantly associated with systolic blood pressure and pulse pressure, among persons on antihypertensive medication. Similar results were found for indoor concentrations. Of the oxy-PAHs, chrysene-5,6-dione and benzo[a]pyrene-3,6-dione were significantly associated with increases in systolic blood pressure and pulse pressure. In elderly, pulse pressure was positively associated with acute increases in outdoor and indoor air pollution, among persons taking antihypertensive medication. These results might form a mechanistic pathway linking air pollution as a trigger of cardiovascular events.

  9. HMS, STS, HIST 118-10 History of Modern Medicine, CRN 17735 (4 credits) (HU) M, W, 11:10 a.m. -12:25 p.m.

    E-Print Network [OSTI]

    Gilchrist, James F.

    engineering, biotechnology, environmental health risks, and nanotechnology. Includes discussion of ethical Health and Environmental Controversies, (4 credits) (SS) Section 10, CRN 15801 - T, TH, 10:45 a.m. - 12:00 p.m. Section 11, CRN 18518 - T, TH, 1:10 p.m. - 12:25 p.m. Exploration of health, and environmental

  10. 9/18/09 2:29 PM'Big Wave' Theory Offers Alternative to Dark Energy Page 1 of 6http://www.mastersconnection.com/index.php/articles/452-wave

    E-Print Network [OSTI]

    Temple, Blake

    9/18/09 2:29 PM'Big Wave' Theory Offers Alternative to Dark Energy Page 1 of 6http;9/18/09 2:29 PM'Big Wave' Theory Offers Alternative to Dark Energy Page 2 of 6http:29 PM'Big Wave' Theory Offers Alternative to Dark Energy Page 4 of 6http

  11. Temporal-spatial analysis of U.S.-Mexico border environmental fine and coarse PM air sample extract activity in human bronchial epithelial cells

    SciTech Connect (OSTI)

    Lauer, Fredine T.; Mitchell, Leah A. [University of New Mexico Center for Environmental Health Sciences, Albuquerque, NM (United States); College of Pharmacy, University of New Mexico, Albuquerque, NM (United States); Bedrick, Edward [University of New Mexico Center for Environmental Health Sciences, Albuquerque, NM (United States); School of Medicine, Dept. of Internal Medicine - Division of Epidemiology and Biostatistics, University of New Mexico, Albuquerque, NM (United States); McDonald, Jacob D. [University of New Mexico Center for Environmental Health Sciences, Albuquerque, NM (United States); Lovelace Respiratory Research Institute, Albuquerque, NM (United States); Lee, Wen-Yee [University of Texas at El Paso Center for Environmental Resource Management, El Paso, TX (United States); Department of Chemistry, University of Texas at El Paso, El Paso, TX (United States); Li, Wen-Whai; Olvera, Hector [University of Texas at El Paso Center for Environmental Resource Management, El Paso, TX (United States); Department of Civil Engineering, University of Texas at El Paso, El Paso, TX (United States); Amaya, Maria A. [University of Texas at El Paso Center for Environmental Resource Management, El Paso, TX (United States); School of Nursing, University of Texas at El Paso, El Paso, TX (United States); Berwick, Marianne; Gonzales, Melissa [University of New Mexico Center for Environmental Health Sciences, Albuquerque, NM (United States); School of Medicine, Dept. of Internal Medicine - Division of Epidemiology and Biostatistics, University of New Mexico, Albuquerque, NM (United States); Currey, Robert [University of Texas at El Paso Center for Environmental Resource Management, El Paso, TX (United States); Pingitore, Nicholas E. [University of Texas at El Paso Center for Environmental Resource Management, El Paso, TX (United States); Department of Geological Sciences, University of Texas at El Paso, El Paso, TX (United States)] (and others)

    2009-07-01T23:59:59.000Z

    Particulate matter less than 10 {mu}m (PM10) has been shown to be associated with aggravation of asthma and respiratory and cardiopulmonary morbidity. There is also great interest in the potential health effects of PM2.5. Particulate matter (PM) varies in composition both spatially and temporally depending on the source, location and seasonal condition. El Paso County which lies in the Paso del Norte airshed is a unique location to study ambient air pollution due to three major points: the geological land formation, the relatively large population and the various sources of PM. In this study, dichotomous filters were collected from various sites in El Paso County every 7 days for a period of 1 year. The sampling sites were both distant and near border crossings, which are near heavily populated areas with high traffic volume. Fine (PM2.5) and Coarse (PM10-2.5) PM filter samples were extracted using dichloromethane and were assessed for biologic activity and polycyclic aromatic (PAH) content. Three sets of marker genes human BEAS2B bronchial epithelial cells were utilized to assess the effects of airborne PAHs on biologic activities associated with specific biological pathways associated with airway diseases. These pathways included in inflammatory cytokine production (IL-6, IL-8), oxidative stress (HMOX-1, NQO-1, ALDH3A1, AKR1C1), and aryl hydrocarbon receptor (AhR)-dependent signaling (CYP1A1). Results demonstrated interesting temporal and spatial patterns of gene induction for all pathways, particularly those associated with oxidative stress, and significant differences in the PAHs detected in the PM10-2.5 and PM2.5 fractions. Temporally, the greatest effects on gene induction were observed in winter months, which appeared to correlate with inversions that are common in the air basin. Spatially, the greatest gene expression increases were seen in extracts collected from the central most areas of El Paso which are also closest to highways and border crossings.

  12. Criticality Safety Study of UF6and UO2F2in 8-in. Inner Diameter Piping

    SciTech Connect (OSTI)

    Elam, K.R.

    2003-10-07T23:59:59.000Z

    The purpose of this report is to provide an evaluation of the criticality safety aspects of using up to 8-in.-inner-diameter (ID) piping as part of a system to monitor the {sup 235}U enrichment in uranium hexafluoride (UF{sub 6}) gas both before and after an enrichment down-blending operation. The evaluated operation does not include the blending stage but includes only the monitors and the piping directly associated with the monitors, which are in a separate room from the blending operation. There are active controls in place to limit the enrichment of the blended UF{sub 6} to a maximum of 5 weight percent (wt%) {sup 235}U. Under normal operating conditions of temperature and pressure, the UF{sub 6} will stay in the gas phase and criticality will not be credible. The two accidents of concern are solidification of the UF{sub 6} along with some hydrofluoric acid (HF) and water or moisture ingress, which would cause the UF{sub 6} gas to react and form a hydrated uranyl fluoride (UO{sub 2}F{sub 2}) solid or solution. Of these two types of accidents, the addition of water and formation of UO{sub 2}F{sub 2} is the most reactive scenario and thus limits related to UO{sub 2}F{sub 2} will bound the limits related to UF{sub 6}. Two types of systems are included in the monitoring process. The first measures the enrichment of the approximately 90 wt% enriched UF{sub 6} before it is blended. This system uses a maximum 4-in.-(10.16-cm-) ID pipe, which is smaller than the 13.7-cm-cylinder-diameter subcritical limit for UO{sub 2}F{sub 2} solution of any enrichment as given in Table 1 of American National Standard ANSI/ANS-8.1.1 Therefore, this system poses no criticality concerns for either accident scenario. The second type of system includes two enrichment monitors for lower-enriched UF{sub 6}. One monitors the approximately 1.5 wt% enriched UF{sub 6} entering the blending process, and the second monitors the approximately 5 wt% enriched UF{sub 6} coming out of the blending process. Both use a maximum 8-in.-(20.32-cm-) ID piping, where the length of the larger ID piping is approximately 9.5 m. This diameter of piping is below the 26.6-cm-cylinder-diameter subcritical limit for 5 wt% enriched UO{sub 2}F{sub 2} solutions as given in Table 6 of ANSI/ANS-8.1. Therefore, for up to 5 wt% enriched UF{sub 6}, this piping does not present a criticality concern for either accident scenario. Calculations were performed to determine the enrichment level at which criticality could become a concern in these 8-in.-ID piping sections. Both unreflected and fully water-reflected conditions were considered.

  13. CONTRIBUTION OF SEMI-VOLATILE ORGANIC MATERIAL TO AMBIENT PM2.5

    SciTech Connect (OSTI)

    Delbert J. Eatough; William K. Modey; Rebecca Sizemore; Michael Simpson

    2004-04-01T23:59:59.000Z

    Both annual 24-h average and seasonal diurnal samples collected at NETL during the research program have been analyzed. The fine particulate components determined include PM{sub 2.5} mass, ammonium sulfate, ammonium nitrate, elemental and organic carbonaceous material and trace elements. The analysis of the nitrate and organic material includes both the identification of nonvolatile material retained by the particle collection filter and semi-volatile material lost from the particles during sample collection. The results obtained in these analyses indicate that both the semivolatile and nonvolatile organic material in the fine particles sampled at the NETL site originate from mobile emissions in the local area. However, the majority of the nonvolatile material is associated with primary emissions and the majority of the semi-volatile material is secondary, being formed from photochemical processes in the atmosphere. In contrast, the fine particulate sulfate does not originate from the local area but is transported into the study region, mostly from sources in the Ohio River Valley. These observations have been supported by both detailed meteorological and apportionment analysis of the data.

  14. Friction Factor Measurement, Analysis, and Modeling for Flat-Plates with 12.15 mm Diameter Hole-Pattern, Tested with Air at Different Clearances, Inlet Pressures, and Pressure Ratios

    E-Print Network [OSTI]

    Deva Asirvatham, Thanesh

    2011-02-22T23:59:59.000Z

    of 800, 1000, and 1200 psi respectively). These nine combinations of clearance and inlet pressure will give a range of friction factor. The following objectives are considered. 17 Figure 10. Detailed view of a 3.175 mm diameter hole...

  15. Bifunction in Er{sup 3+}/Yb{sup 3+} co-doped BaTi{sub 2}O{sub 5}–Gd{sub 2}O{sub 3} glasses prepared by aerodynamic levitation method

    SciTech Connect (OSTI)

    Zhang, Minghui [State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); University of Chinese Academy of Sciences, Beijing 100039 (China); Yu, Jianding; Pan, Xiuhong [State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); Cheng, Yuxing [State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); University of Chinese Academy of Sciences, Beijing 100039 (China); Liu, Yan, E-mail: liuyan@mail.sic.ac.cn [State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China)

    2013-11-15T23:59:59.000Z

    Graphical abstract: - Highlights: • Novel BaTi{sub 2}O{sub 5}–Gd{sub 2}O{sub 3} based glasses have been prepared by aerodynamic levitation. • The obtained glasses show high thermal stability with T{sub g} = 763.3 °C. • Er{sup 3+}/Yb{sup 3+} co-doped glasses show strong upconversion based on a two-photon process. • Red emission is stronger than green emissions for EBT by high Yb{sup 3+} concentration. • Magnetic ions are paramagnetic and the distribution is homogeneous in the glasses. - Abstract: Novel Er{sup 3+}/Yb{sup 3+} co-doped BaTi{sub 2}O{sub 5}–Gd{sub 2}O{sub 3} spherical glasses have been fabricated by aerodynamic levitation method. The thermal stability, upconversion luminescence, and magnetic properties of the present glass have been studied. The glasses show high thermal stability with 763.3 °C of the onset temperature of the glass transition. Red and green emissions centered at 671 nm, 548 nm and 535 nm are obtained at 980 nm excitation. The upconversion is based on a two-photon process by energy transfer, excited-state absorption, and energy back transfer. Yb{sup 3+} ions are more than Er{sup 3+} ions in the glass, resulting in efficient energy back transfer from Er{sup 3+} to Yb{sup 3+}. So the red emission is stronger than the green emissions. Magnetization curves indicate that magnetic rare earth ions are paramagnetic and the distribution is homogeneous and random in the glass matrix. Aerodynamic levitation method is an efficient way to prepare glasses with homogeneous rare earth ions.

  16. Demonstration of a novel technique to measure two-photon exchange effects in elastic $e^\\pm p$ scattering

    E-Print Network [OSTI]

    M. Moteabbed; M. Niroula; B. A. Raue; L. B. Weinstein; D. Adikaram; J. Arrington; W. K. Brooks; J. Lachniet; Dipak Rimal; M. Ungaro; K. P. Adhikari; M. Aghasyan; M. J. Amaryan; S. Anefalos Pereira; H. Avakian; J. Ball; N. A. Baltzell; M. Battaglieri; V. Batourine; I. Bedlinskiy; R. P. Bennett; A. S. Biselli; J. Bono; S. Boiarinov; W. J. Briscoe; V. D. Burkert; D. S. Carman; A. Celentano; S. Chandavar; P. L. Cole; P. Collins; M. Contalbrigo; O. Cortes; V. Crede; A. D'Angelo; N. Dashyan; R. De Vita; E. De Sanctis; A. Deur; C. Djalali; D. Doughty; R. Dupre; H. Egiyan; L. El Fassi; P. Eugenio; G. Fedotov; S. Fegan; R. Fersch; J. A. Fleming; N. Gevorgyan; G. P. Gilfoyle; K. L. Giovanetti; F. X. Girod; J. T. Goetz; W. Gohn; E. Golovatch; R. W. Gothe; K. A. Griffioen; M. Guidal; N. Guler; L. Guo; K. Hafidi; H. Hakobyan; C. Hanretty; N. Harrison; D. Heddle; K. Hicks; D. Ho; M. Holtrop; C. E. Hyde; Y. Ilieva; D. G. Ireland; B. S. Ishkhanov; E. L. Isupov; H. S. Jo; K. Joo; D. Keller; M. Khandaker; A. Kim; F. J. Klein; S. Koirala; A. Kubarovsky; V. Kubarovsky; S. E. Kuhn; S. V. Kuleshov; S. Lewis; H. Y. Lu; M. MacCormick; I . J . D. MacGregor; D. Martinez; M. Mayer; B. McKinnon; T. Mineeva; M. Mirazita; V. Mokeev; R. A. Montgomery; K. Moriya; H. Moutarde; E. Munevar; C. Munoz Camacho; P. Nadel-Turonski; R. Nasseripour; S. Niccolai; G. Niculescu; I. Niculescu; M. Osipenko; A. I. Ostrovidov; L. L. Pappalardo; R. Paremuzyan; K. Park; S. Park; E. Phelps; J. J. Phillips; S. Pisano; O. Pogorelko; S. Pozdniakov; J. W. Price; S. Procureur; D. Protopopescu; A. J. R. Puckett; M. Ripani; G. Rosner; P. Rossi; F. Sabatié; M. S. Saini; C. Salgado; D. Schott; R. A. Schumacher; E. Seder; H. Seraydaryan; Y. G. Sharabian; E. S. Smith; G. D. Smith; D. I. Sober; D. Sokhan; S. Stepanyan; S. Strauch; W. Tang; C. E. Taylor; Ye Tian; S. Tkachenko; H. Voskanyan; E. Voutier; N. K. Walford; M. H. Wood; N. Zachariou; L. Zana; J. Zhang; Z. W. Zhao; I. Zonta

    2013-07-10T23:59:59.000Z

    The discrepancy between proton electromagnetic form factors extracted using unpolarized and polarized scattering data is believed to be a consequence of two-photon exchange (TPE) effects. However, the calculations of TPE corrections have significant model dependence, and there is limited direct experimental evidence for such corrections. We present the results of a new experimental technique for making direct $e^\\pm p$ comparisons, which has the potential to make precise measurements over a broad range in $Q^2$ and scattering angles. We use the Jefferson Lab electron beam and the Hall B photon tagger to generate a clean but untagged photon beam. The photon beam impinges on a converter foil to generate a mixed beam of electrons, positrons, and photons. A chicane is used to separate and recombine the electron and positron beams while the photon beam is stopped by a photon blocker. This provides a combined electron and positron beam, with energies from 0.5 to 3.2 GeV, which impinges on a liquid hydrogen target. The large acceptance CLAS detector is used to identify and reconstruct elastic scattering events, determining both the initial lepton energy and the sign of the scattered lepton. The data were collected in two days with a primary electron beam energy of only 3.3 GeV, limiting the data from this run to smaller values of $Q^2$ and scattering angle. Nonetheless, this measurement yields a data sample for $e^\\pm p$ with statistics comparable to those of the best previous measurements. We have shown that we can cleanly identify elastic scattering events and correct for the difference in acceptance for electron and positron scattering. The final ratio of positron to electron scattering: $R=1.027\\pm0.005\\pm0.05$ for $=0.206$ GeV$^2$ and $0.830\\leq \\epsilon\\leq 0.943$.

  17. MA 547 Midterm Exam 1 02/14/2013 11:45am-1:00pm

    E-Print Network [OSTI]

    Pang, Tao

    MA 547 Midterm Exam 1 02/14/2013 11:45am-1:00pm Name: Student ID: Remark: This is a close-book test price can be doubled or decreased by one-fourth. In other words, Si+1 = 2Si or Si+1 = 3 4 Si for i = 0 is the optimal strategy to exercise the option? ­End of the Exam­ 2 #12;

  18. Winter 2014 Schedule of Classes index.html[11/18/2013 3:12:35 PM

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    for SallieMae e-bill and e-check payment by logging into MyUCSC. Winter Registration Fees E-bills for winbterWinter 2014 Schedule of Classes index.html[11/18/2013 3:12:35 PM] ABOUT CALENDAR FEES ENROLLMENT RECORDS University Home MyUCSC People Calendars A-Z Index OFFICE OF THE REGISTRAR Winter 2014 Schedule

  19. Origins of PM10 determined by the micro-proton induced X-ray emission spectra of single aerosol particles

    SciTech Connect (OSTI)

    Yue, W.S.; Li, X.L.; Wan, T.M.; Liu, J.F.; Zhang, G.L.; Li, Y. [Chinese Academy of Science, Shanghai (China). Shanghai Institute of Applied Physics

    2006-06-15T23:59:59.000Z

    The micro-proton induced X-ray emission (micro-PIXE) spectrum of a single aerosol particle (SAP) was considered as its fingerprint for tracing its origin. A proton microprobe was used to extract fingerprints of SAPs. Environmental monitoring samples of PM10 were collected from a heavy industrial area of Shanghai and were analyzed by proton microprobe for finding their pollution sources. In order to find the sources of SAPs collected from environmental monitoring sites, a fingerprint database of SAPS collected from various pollution Sources was established. The origins of samples collected through environmental monitoring were identified by comparison of the micro-PIXE spectra of SAPs with those of SAPs in the fingerprint database using a pattern recognition technique. The results of this study show that most of the measured PM10 is derived from metallurgic industry, soil dust, coal combustion, automobile exhaust, and motorcycle exhaust. The study also shows that the proton microprobe is an ideal tool for the analysis of SAPs. The unidentified particles of PM10 are classified into seven classes by hierarchical cluster analysis based on the element peak intensity in the spectra.

  20. Columbia Earth Engineering Center http://www.seas.columbia.edu/earth/Chan.html[8/19/2009 3:16:12 PM

    E-Print Network [OSTI]

    Columbia Earth Engineering Center http://www.seas.columbia.edu/earth/Chan.html[8/19/2009 3:16:12 PM Woman Scientist Award 1997 #12;Columbia Earth Engineering Center http://www.seas.columbia.edu/earth

  1. Terra -Ciencias http://web.mit.edu/tox/sasisekharan/uruguay-cancer.html 1 of 2 7/28/2005 9:51 PM

    E-Print Network [OSTI]

    Sasisekharan, Ram

    Terra - Ciencias http://web.mit.edu/tox/sasisekharan/uruguay-cancer.html 1 of 2 7/28/2005 9:51 PM ! ' !#* ! ,$3% +# ! , % ! $!$# ! !$- ! 4 " 7- +# #++ 4 #%"$ #1 22 3 ' ' /// #12;Terra - Ciencias http

  2. COMPARATIVE EVALUATION OF AMBIENT FINE PARTICULATE MATTER (PM2.5) DATA OBTAINED FROM URBAN AND RURAL MONITORING SITES ALONG THE UPPER OHIO RIVER VALLEY

    SciTech Connect (OSTI)

    Unknown

    2002-04-30T23:59:59.000Z

    The report discusses the following conclusions: (1) The TEOM equipment performed as well as the sequential filter samplers in accounting for ambient PM{sub 2.5} levels; however, the FRM-obtained data was consistently lower than the averages from the TEOM/DRI-SFS measurements; (2) The trending in the PM{sub 2.5} levels was similar for Lawrenceville and Holbrook, which represent an urban and a rural site sixty-five miles apart. This implies that the PM{sub 2.5} levels appear to be impacted more by regional than by local effects; (3) The absolute median PM{sub 2.5} levels were slightly higher for Lawrenceville than for Holbrook, implying that local urban environmental contributions had a minor but measurable effect on total PM{sub 2.5} mass concentration; (4) PM{sub 2.5} and PM{sub 10} mass concentration levels were consistently higher in summer than in winter, with intermediate levels observed in the spring and fall; (5) Sulfate levels predominated in the speciation data obtained from both the Holbrook and the Lawrenceville sites during winter and summer intensive sampling. Sulfate level measured at Holbrook were higher than those taken at Lawrenceville regardless of the season; (6) Ammonium levels remained relatively constant between seasons and between sites; (7) Nitrate levels measured at Lawrenceville were higher than those measured at Holbrook during winter intensive sampling. Nitrate levels measured during the summer intensive period were found to be very low at both locations; (8) In general, the predominant inorganic fraction of the samples analyzed could be described as being composed of a mixture of ammonium bisulfate and ammonium sulfate with minor amounts of ammonium nitrate; (9) The PM10 fraction had a larger percentage of geological material and a smaller percentage of condensable material (ammonium bisulfate, ammonium sulfate, ammonium nitrate and total carbon species) than the PM{sub 2.5} fraction for samples collected in winter at Lawrenceville; and (10) Most high PM{sub 2.5} episodes occurred when the predominating wind direction was from the South-West. (11) Plots of ozone vs. NO{sub x} suggest chemical reaction between these molecules since a high concentration of one always results in a low concentration of the other. The analysis of the acquired data has so far addressed three of the four scientific questions originally posed. More data analysis is on-going including the correlation between O{sub 3} and PM{sub 2.5} levels and the correlation of mass data with meteorological observations.

  3. SAMPLING, ANALYSIS, AND PROPERTIES OF PRIMARY PM-2.5: APPLICATION TO COAL-FIRED UTILITY BOILERS

    SciTech Connect (OSTI)

    Allen L. Robinson; Spyros N. Pandis; Eric Lipsky; Charles Stainer; Natalie Anderson; Satoshi Takahama; Sarah Rees

    2003-02-01T23:59:59.000Z

    A dilution sampler was used to examine the effects of dilution ratio and residence time on the particulate emissions from a pilot-scale pulverized coal combustor. Measurements include the particle size distribution from 0.003 to 2.5 {micro}m, PM{sub 2.5} mass emission rate and PM2.5 composition (OC/EC, major ions, and elemental). Hot filter samples were also collected simultaneously in order to compare the dilution sampler measurement with standard stack sampling methodologies such as EPA Method 5. Measurements were made both before and after the bag-house, the particle control device used on the coal combustor. Measurements were made with three different coal types and a coal-biomass blend. The residence time and dilution ratio do not influence the PM{sub 2.5} mass emission rate, but have a significant effect on the size distribution and total number emissions. Measurements made before the bag-house showed increasing the residence time dramatically decreases the total particle number concentration, and shifts the particle mass to larger sizes. The effects of residence time can be explained quantitatively by the coagulation of the emitted particles. Measurements made after the bag-house were not affected by coagulation due to the lower concentration of particles. Nucleation of sulfuric acid vapor within the dilution was an important source of ultrafine particles. This nucleation is strongly a function of dilution ratio because of the competition between condensation and nucleation. At low dilution ratios condensation dominates and little nucleation is observed; increasing the dilution ratio promotes nucleation because of the corresponding decrease in available surface area per unit volume for condensation. No nucleation was observed after the bag house where conditions greatly favor nucleation over condensation; we suspect that the bag house removed the SO{sub 3} in the flue gas. Exhaust SO{sub 3} levels were not measured during these experiments. Dilution caused the enrichment of selenium, ammonium and sulfate in the PM{sub 2.5} emissions compared to the hot filter samples. The enrichment of selenium was independent of dilution ratio or residence time. The enrichment of ammonium and sulfate increased with increasing dilution ratio. PM{sub 2.5} emission profiles for four different fuels (two eastern bituminous coals, a western sub-bituminous coal, and coal-wood blend) were developed. These profiles compared well with profiles from similar coal sources, while showing unique characteristics due to differences in fuel composition.

  4. PAUL SHORT --MENS BROWN file:///Users/bkatten/Desktop/R092812AF.html[9/28/12 4:04:11 PM

    E-Print Network [OSTI]

    Devoto, Stephen H.

    PAUL SHORT -- MENS BROWN file:///Users/bkatten/Desktop/R092812AF.html[9/28/12 4:04:11 PM] PAUL 163 183 191 27:03 1:28 22 Lafayette College 532 11 107 115 147 152 225 27:01 2:11 23 South Florida 564 file:///Users/bkatten/Desktop/R092812AF.html[9/28/12 4:04:11 PM] West Chester Universi 14 wins Vassar

  5. [12.7.20044:01pm] [101114] [Page No. 101] {Eserial}4393-van-Pelt/3d/vanPelt-tx08.3d Van Pelt

    E-Print Network [OSTI]

    Stryker, Michael

    . Prog Brain Res.147:103-114. Corrections indicated in red. #12;[12.7.2004­4:01pm] [101­114] [Page No[12.7.2004­4:01pm] [101­114] [Page No. 101] {Eserial}4393-van-Pelt/3d/vanPelt-tx08.3d Van Pelt U N Research, Vol. 147 ISSN 0079-6123 Copyright ß 2005 Elsevier BV. All rights reserved CHAPTER 8 Molecular

  6. MSU Recycling recycle.msu.edu 517-355-1723 MARCH 15, 2014 9:00A.M.1:00P.M.

    E-Print Network [OSTI]

    Liu, Taosheng

    MSU Recycling · recycle.msu.edu · 517-355-1723 MARCH 15, 2014 · 9:00A.M.­1:00P.M. RECYCLINGLn Green Way Public Recycling Drop-o Center E-Waste Drop-o MSU Surplus Store & Recycling Center Service Rd Service Rd RecyclingDr NORTH Public Electronics Recycling March 15, 2014 · 9:00A.M.­1:00P.M. MSU Surplus

  7. Renal Artery Embolization Combined With Radiofrequency Ablation in a Porcine Kidney Model: Effect of Small and Narrowly Calibrated Microparticles as Embolization Material on Coagulation Diameter, Volume, and Shape

    SciTech Connect (OSTI)

    Sommer, C. M., E-mail: christof.sommer@med.uni-heidelberg.de; Kortes, N. [University Hospital Heidelberg, Department of Diagnostic and Interventional Radiology (Germany); Zelzer, S. [German Cancer Research Center, Division of Medical and Biological Informatics (Germany); Arnegger, F. U. [University Hospital Heidelberg, Department of General, Abdominal and Transplantation Surgery (Germany); Stampfl, U.; Bellemann, N. [University Hospital Heidelberg, Department of Diagnostic and Interventional Radiology (Germany); Gehrig, T.; Nickel, F.; Kenngott, H. G. [University Hospital Heidelberg, Department of General, Abdominal and Transplantation Surgery (Germany); Mogler, C.; Longerich, T. [University Hospital Heidelberg, Department of General Pathology (Germany); Meinzer, H. P. [German Cancer Research Center, Division of Medical and Biological Informatics (Germany); Richter, G. M. [Klinikum Stuttgart, Department of Diagnostic and Interventional Radiology (Germany); Kauczor, H. U.; Radeleff, B. A. [University Hospital Heidelberg, Department of Diagnostic and Interventional Radiology (Germany)

    2011-02-15T23:59:59.000Z

    The purpose of this study was to evaluate the effect of renal artery embolization with small and narrowly calibrated microparticles on the coagulation diameter, volume, and shape of radiofrequency ablations (RFAs) in porcine kidneys. Forty-eight RFAs were performed in 24 kidneys of 12 pigs. In 6 animals, bilateral renal artery embolization was performed with small and narrowly calibrated microparticles. Upper and lower kidney poles were ablated with identical system parameters. Applying three-dimensional segmentation software, RFAs were segmented on registered 2 mm-thin macroscopic slices. Length, depth, width, volume{sub s}egmented, and volume{sub c}alculated were determined to describe the size of the RFAs. To evaluate the shape of the RFAs, depth-to-width ratio (perfect symmetry-to-lesion length was indicated by a ratio of 1), sphericity ratio (perfect sphere was indicated by a sphericity ratio of 1), eccentricity (perfect sphere was indicated by an eccentricity of 0), and circularity (perfect circle was indicated by a circularity of 1) were determined. Embolized compared with nonembolized RFAs showed significantly greater depth (23.4 {+-} 3.6 vs. 17.2 {+-} 1.8 mm; p < 0.001) and width (20.1 {+-} 2.9 vs. 12.6 {+-} 3.7 mm; p < 0.001); significantly larger volume{sub s}egmented (8.6 {+-} 3.2 vs. 3.0 {+-} 0.7 ml; p < 0.001) and volume{sub c}alculated (8.4 {+-} 3.0 ml vs. 3.3 {+-} 1.1 ml; p < 0.001); significantly lower depth-to-width (1.17 {+-} 0.10 vs. 1.48 {+-} 0.44; p < 0.05), sphericity (1.55 {+-} 0.44 vs. 1.96 {+-} 0.43; p < 0.01), and eccentricity (0.84 {+-} 0.61 vs. 1.73 {+-} 0.91; p < 0.01) ratios; and significantly greater circularity (0.62 {+-} 0.14 vs. 0.45 {+-} 0.16; p < 0.01). Renal artery embolization with small and narrowly calibrated microparticles affected the coagulation diameter, volume, and shape of RFAs in porcine kidneys. Embolized RFAs were significantly larger and more spherical compared with nonembolized RFAs.

  8. Larger Maximum Tumor Diameter at Radical Prostatectomy Is Associated With Increased Biochemical Failure, Metastasis, and Death From Prostate Cancer After Salvage Radiation for Prostate Cancer

    SciTech Connect (OSTI)

    Johnson, Skyler B.; Hamstra, Daniel A.; Jackson, William C.; Zhou, Jessica; Foster, Benjamin; Foster, Corey; Song, Yeohan; Li, Darren [Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan (United States); Palapattu, Ganesh S. [Department of Urology, University of Michigan, Ann Arbor, Michigan (United States); Kunju, Lakshmi; Mehra, Rohit [Department of Pathology, University of Michigan, Ann Arbor, Michigan (United States); Sandler, Howard [Cedars-Sinai Medical Center, Los Angeles, California (United States); Feng, Felix Y., E-mail: ffeng@med.umich.edu [Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan (United States)

    2013-10-01T23:59:59.000Z

    Purpose: To investigate the maximum tumor diameter (MTD) of the dominant prostate cancer nodule in the radical prostatectomy specimen as a prognostic factor for outcome in patients treated with salvage external beam radiation therapy (SRT) for a rising prostate-specific antigen (PSA) value after radical prostatectomy. Methods and Materials: From an institutional cohort of 575 patients treated with SRT, data on MTD were retrospectively collected. The impact of MTD on biochemical failure (BF), metastasis, and prostate cancer-specific mortality (PCSM) was assessed on univariate and multivariate analysis using Kaplan-Meier and Cox proportional hazards models. Results: In the 173 patients with MTD data available, median follow-up was 77 months (interquartile range, 47-104 months) after SRT, and median MTD was 18 mm (interquartile range, 13-22 mm). Increasing MTD correlated with increasing pT stage, Gleason score, presence of seminal vesicle invasion, and lymph node invasion. Receiver operating characteristic curve analysis identified MTD of >14 mm to be the optimal cut-point. On univariate analysis, MTD >14 mm was associated with an increased risk of BF (P=.02, hazard ratio [HR] 1.8, 95% confidence interval [CI] 1.2-2.8), metastasis (P=.002, HR 4.0, 95% CI 2.1-7.5), and PCSM (P=.02, HR 8.0, 95% CI 2.9-21.8). On multivariate analysis MTD >14 mm remained associated with increased BF (P=.02, HR 1.9, 95% CI 1.1-3.2), metastasis (P=.02, HR 3.4, 95% CI 1.2-9.2), and PCSM (P=.05, HR 9.7, 95% CI 1.0-92.4), independent of extracapsular extension, seminal vesicle invasion, positive surgical margins, pre-RT PSA value, Gleason score, and pre-RT PSA doubling time. Conclusions: For patients treated with SRT for a rising PSA value after prostatectomy, MTD at time of radical prostatectomy is independently associated with BF, metastasis, and PCSM. Maximum tumor diameter should be incorporated into clinical decision making and future clinical risk assessment tools for those patients receiving SRT.

  9. Condensation heat transfer characteristics of R410A-oil mixture in 5 mm and 4 mm outside diameter horizontal microfin tubes

    SciTech Connect (OSTI)

    Huang, Xiangchao; Ding, Guoliang; Hu, Haitao; Zhu, Yu. [Institute of Refrigeration and Cryogenics, Shanghai Jiaotong University, Shanghai 200240 (China); Gao, Yifeng [International Copper Association Shanghai Office, Shanghai 200020 (China); Deng, Bin [Institute of Heat Transfer Technology, Golden Dragon Precise Copper Tube Group Inc., Shanghai 200135 (China)

    2010-10-15T23:59:59.000Z

    Condensation heat transfer characteristics of R410A-oil mixture in 5 mm and 4 mm outside diameter horizontal microfin tubes were investigated experimentally. The experimental condensing temperature is 40 C, and nominal oil concentration range is from 0% to 5%. The test results indicate that the presence of oil deteriorates the heat transfer. The deterioration effect is negligible at nominal oil concentration of 1%, and becomes obvious with the increase of nominal oil concentration. At 5% nominal oil concentration, the heat transfer coefficient of R410A-oil mixture is found to have a maximum reduction of 25.1% and 23.8% for 5 mm and 4 mm tubes, respectively. The predictabilities of the existing condensation heat transfer correlations were verified with the experimental data, and Yu and Koyama correlation shows the best predictability. By replacing the pure refrigerant properties with the mixture's properties, Yu and Koyama correlation has a deviation of -15% to + 20% in predicting the local condensation heat transfer coefficient of R410A-oil mixture. (author)

  10. On the structurization of coal dust precipitations and their influence on aerodynamic resistance by granulated mediums in air filters at nuclear power plants

    E-Print Network [OSTI]

    Neklyudov, I M; Fedorova, L I; Poltinin, P Ya

    2012-01-01T23:59:59.000Z

    The processes of structurization of dust precipitations in granulated filtering mediums, formed by the monolithic glass spherical granules with the diameters of 2mm and 3mm, are re-searched. The distinctions between the distributions of filtered coal dust masses in the air filters with cylindrical granules and the air filters with spherical granules, are found. The influences by the filtered dust masses on the air resistance of both the air filters with the cylindrical granules and the air filters with the spherical granules are described. The conclusions on a possibility of the use of various chemical adsorbents with different geometric forms and volumetric dimensions to improve the filtering properties of granulated filtering mediums in air filters at nuclear power plants are formulated.

  11. On the structurization of coal dust precipitations and their influence on aerodynamic resistance by granulated mediums in air filters at nuclear power plants

    E-Print Network [OSTI]

    I. M. Neklyudov; O. P. Ledenyov; L. I. Fedorova; P. Ya. Poltinin

    2012-07-02T23:59:59.000Z

    The processes of structurization of dust precipitations in granulated filtering mediums, formed by the monolithic glass spherical granules with the diameters of 2mm and 3mm, are re-searched. The distinctions between the distributions of filtered coal dust masses in the air filters with cylindrical granules and the air filters with spherical granules, are found. The influences by the filtered dust masses on the air resistance of both the air filters with the cylindrical granules and the air filters with the spherical granules are described. The conclusions on a possibility of the use of various chemical adsorbents with different geometric forms and volumetric dimensions to improve the filtering properties of granulated filtering mediums in air filters at nuclear power plants are formulated.

  12. Micro-unmanned aerodynamic vehicle

    DOE Patents [OSTI]

    Reuel, Nigel (Rio Rancho, NM); Lionberger, Troy A. (Ann Arbor, MI); Galambos, Paul C. (Albuquerque, NM); Okandan, Murat (Albuquerque, NM); Baker, Michael S. (Albuquerque, NM)

    2008-03-11T23:59:59.000Z

    A MEMS-based micro-unmanned vehicle includes at least a pair of wings having leading wing beams and trailing wing beams, at least two actuators, a leading actuator beam coupled to the leading wing beams, a trailing actuator beam coupled to the trailing wing beams, a vehicle body having a plurality of fulcrums pivotally securing the leading wing beams, the trailing wing beams, the leading actuator beam and the trailing actuator beam and having at least one anisotropically etched recess to accommodate a lever-fulcrum motion of the coupled beams, and a power source.

  13. Aerodynamic Lightweight Cab Structure Components

    Broader source: Energy.gov [DOE]

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

  14. Sandia Energy - Rotor Aerodynamic Design

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of ScienceandMesa del Sol Home Distribution GridDocuments Home Stationary PowerResearchRisk and

  15. Neo Aerodynamic | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRoseConcerns Jump to: navigation,Nebraska/WindNeedham,AFB SolarNenana,Neo

  16. Optimized Active Aerodynamic Blade Control

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for RenewableSpeedingBiomass and Biofuels Biomass and Biofuels Find MoreRod Borup

  17. COMPARATIVE EVALUATION OF AMBIENT FINE PARTICULATE MATTER (PM2.5) DATA OBTAINED FROM URBAN AND RURAL MONITORING SITES ALONG THE UPPER OHIO RIVER VALLEY

    SciTech Connect (OSTI)

    Robinson P. Khosah; John P. Shimshock; Jerry L. Penland

    2004-10-15T23:59:59.000Z

    Advanced Technology Systems, Inc. (ATS), with Desert Research Institute (DRI) and Ohio University as subcontractors, was contracted by the NETL in September 1998 to manage the Upper Ohio River Valley Project (UORVP), which included the establishment and operation of four ambient air monitoring sites located in the Upper Ohio River Valley (UORV). Two urban and two rural monitoring sites were included in the UORVP. The four sites selected for the UOVRP were collocated at existing local and/or state air quality monitoring stations. The goal of the UORVP was to characterize the nature and composition of PM{sub 2.5} and its precursor gases. In the process, the objectives of the UORVP were to examine the ambient air concentrations of PM{sub 2.5} as compared with the promulgated PM{sub 2.5} standards, the geographical, seasonal and temporal variations of ambient air concentrations of PM{sub 2.5}, the primary chemical constituents of PM{sub 2.5}, and the correlations between ambient air concentrations of PM{sub 2.5} and its precursor gases, other gaseous pollutants and meteorological parameters. A variety of meteorological and pollutant measurement devices, including several different PM{sub 2.5} samplers that provided either real-time or integrated concentration data, were deployed at the monitoring sites. The frequency of integrated sampling varied throughout the UORVP study period and was as follows: ''Intensive'' sampling periods were defined as periods in which samples were collected on a relatively frequent basis (ranged from 6-hour integrated samples collected round-the-clock to one 24-hour integrated sample collected every third day). ''Background'' sampling periods were defined as periods in which 24-hour integrated samples were collected every third or sixth day.

  18. Performance evaluation of PM?? and high-volume air samplers using a Coulter Counter Particle Size Analyzer

    E-Print Network [OSTI]

    Herber, Douglas John

    1988-01-01T23:59:59.000Z

    ) for SA-1200 samplers place downwind of a gin processing stripper cotton. . 36 Comparison of average PSDs for dust captured on exposed filters of the HiVol and SA-1200 samplers placed downwind of a gin processing stripper cotton. 37 10 Relationship... of measured PM10 concentration to "actual" PMIO concentration (using HiVol/Coulter process) for SA-321A samplers place downwind of a gin processing stripper cotton . . 38 Comparison of average PSDs for dust captured on exposed filters of the HiVol and SA...

  19. Microsoft PowerPoint - 15.1025_Bosco_PM Workshop Mar15_2010 | Department of

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy China 2015of 2005 atthe District ofInstitute RegardingMethaneEnergy 025_Bosco_PM

  20. Intelligent scraping experience using ultrasonics in two 60in./56in. dual diameter 100 km seawater transmission pipelines in Saudi Arabia

    SciTech Connect (OSTI)

    Bird, A.F.; Chu, K.S.

    1995-10-01T23:59:59.000Z

    Saudi ARAMCO`s two 60in./56in. (1524/1422 mm) diameter Seawater Injection Pipelines used for secondary oil recovery stretch from the Seawater Treatment Plant across the Arabian Desert for a distance of approximately 100 kilometers. Both lines were put into operation in mid 1978 using over the ditch Plicoflex tape wrap as a means of protection against external corrosion. A significant portion of both pipelines (32 km of each line) runs through Subkha (salty moist) areas. A series of test hole evaluations in 1989 indicated moderate to sever external corrosion particularly in Subkha which necessitated sleeving and external coating application. In 1991 a series of leaks, four (4) in total over a period of two (2) months occurred in Pipeline {number_sign}2 due to external corrosion. This suggested that the line(s) were in urgent need of at least partial replacement or major rehabilitation. Prior to making a final decision on partial replacement it was decided to run an Intelligent Scraper in both pipelines to ascertain both internal and external pipeline conditions. An Ultrasonic Scraper the largest of it`s kind in the world, similar to what was used in the Alyeska Pipeline was developed and successfully run in both pipelines in February 1993. This paper discusses the pipeline history, test hole evaluations, Intelligent Scraping experiences, field evaluation for anomaly verification, and repair of approximately 120 locations as identified by the Intelligent Scraping run. The Intelligent Scraping evaluation played a major role in the cancellation of partial pipeline replacement with cost savings estimated $30 MM.

  1. 1. If anyone has questions about Rosetta or consulting in general, feel free to message me @SoupForSara ... That's all from me! Thanks!3:03 PM Sep

    E-Print Network [OSTI]

    Plotkin, Joshua B.

    ForSara ... That's all from me! Thanks!3:03 PM Sep 21st via web 2. Well, looks like today will be an early one. Client meeting done, so nothing left to do tonight. Time to head home.2:57 PM Sep 21st via web 3. Have hour -- every minute counts.2:44 PM Sep 21st via web 4. Meeting went really well! Client was happy

  2. 1. Get in touch if you have any ?'s about the industry or life after Penn! And to satiate what I'm sure is burning curiosity... I took the bus.4:22 PM Feb 17th via web

    E-Print Network [OSTI]

    Plotkin, Joshua B.

    'm sure is burning curiosity... I took the bus.4:22 PM Feb 17th via web 2. Well guys, that's it for my day!! Off to see what the post fashion week new york night has to offer...4:18 PM Feb 17th via web 3 to come in for the month.4:06 PM Feb 17th via web 4. Well, it's getting quiet around here now that shows

  3. The Search for eta(1440) --> K^0_S K^pm ?^mp in Two-Photon Fusion at CLEO

    E-Print Network [OSTI]

    R. Ahohe; CLEO Collaboration

    2005-01-11T23:59:59.000Z

    We analyze 13.8 \\rm fb^{-1} of the integrated e^+e^- luminosity collected at 10.6 GeV center-of-mass energy with the CLEO II and CLEO II.V detectors to study exclusive two-photon production of hadrons with masses below 1.7{\\rm \\ GeV/c^2} decaying into the K^0_S K^\\pm \\pi^\\mp final state. We observe two statistically significant enhancements in the \\eta(1440) mass region. These enhancements have large transverse momentum which rules them out as being due to pseudoscalar resonances but is consistent with the production of axial-vector mesons. We use tagged two-photon events to study the properties of the observed enhancements and associate them with the production of f_1(1285) and f_1(1420). Our non-observation of \\eta(1440) is inconsistent by more than two standard deviations with the first observation of this resonance in two-photon collisions by the L3 experiment. We present our estimates for 90% confidence level upper limits on the products of two-photon partial widths of pseudoscalar hadrons and their branching fractions into K^0_S(\\pi^+\\pi^-)K^\\pm\\pi^\\mp.

  4. Chaos and localization in the wavefunctions of complex atoms NdI, PmI and SmI

    E-Print Network [OSTI]

    Dilip Angom; V. K. B. Kota

    2004-12-06T23:59:59.000Z

    Wavefunctions of complex lanthanide atoms NdI, PmI and SmI, obtained via multi-configuration Dirac-Fock method, are analyzed for density of states in terms of partial densities, strength functions ($F_k(E)$), number of principal components ($\\xi_2(E)$) and occupancies ($\\lan n_\\alpha \\ran^E$) of single particle orbits using embedded Gaussian orthogonal ensemble of one plus two-body random matrix ensembles [EGOE(1+2)]. It is seen that density of states are in general multi-modal, $F_k(E)$'s exhibit variations as function of the basis states energy and $\\xi_2(E)$'s show structures arising from localized states. The sources of these departures from EGOE(1+2) are investigated by examining the partial densities, correlations between $F_k(E)$, $\\xi_2(E)$ and $\\lan n_\\alpha \\ran^E$ and also by studying the structure of the Hamiltonian matrices. These studies point out the operation of EGOE(1+2) but at the same time suggest that weak admixing between well separated configurations should be incorporated into EGOE(1+2) for more quantitative description of chaos and localization in NdI, PmI and SmI.

  5. DEVELOPMENT OF FINE PARTICULATE EMISSION FACTORS AND SPECIATION PROFILES FOR OIL AND GAS-FIRED COMBUSTION SYSTEMS

    SciTech Connect (OSTI)

    Glenn C. England; Stephanie Wien; Mingchih O. Chang

    2002-08-01T23:59:59.000Z

    This report provides results from the first year of this three-year project to develop dilution measurement technology for characterizing PM2.5 (particles with aerodynamic diameter smaller than 2.5 micrometers) and precursor emissions from stationary combustion sources used in oil, gas and power generation operations. Detailed emission rate and chemical speciation test results for a refinery gas-fired process heater and plans for cogeneration gas turbine tests and pilot-scale tests are presented. Tests were performed using a research dilution sampling apparatus and traditional EPA methods to compare PM2.5 mass and chemical speciation. Test plans are presented for a gas turbine facility that will be tested in the fourth quarter of 2002. A preliminary approach for pilot-scale tests is presented that will help define design constraints for a new dilution sampler design that is smaller, lighter, and less costly to use.

  6. aerosol particle characterization: Topics by E-print Network

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

    Holmes 2012-01-01 10 Particle morphology and density characterization by combined mobility and aerodynamic diameter measurements. Part 2: Application to combustion-generated...

  7. Comment on the paper "Search for oscillation of the electron-capture decay probability of $^{142}$Pm" at arXiv:0807.0649v1

    E-Print Network [OSTI]

    Litvinov, Y A; Winckler, N; Boutin, D; Essel, H G; Fästermann, T; Geissel, H; Hess, S; Kienle, P; Knöbel, R; Kozhuharov, C; Kurcewicz, J; Maier, L; Beckert, K; Brandau, C; Chen, L; Dimopoulou, C; Fabian, B; Fragner, A; Haettner, E; Hausmann, M; Litvinov, S A; Mazzocco, M; Montes, F; Musumarra, A; Nociforo, C; Nolden, F; Plass, W R; Prochazka, A; Reda, R; Reuschl, R; Scheidenberger, C; Steck, M; Stöhlker, T; Torilov, S; Trassinelli, M; Sun, B; Weick, H; Winkler, M

    2008-01-01T23:59:59.000Z

    It is argued that orbital electron-capture decays of neutral $^{142}$Pm atoms implanted into the lattice of a solid (LBNL experiment) do not fulfil the constraints of true two-body beta decays, since momentum as well as energy of the final state are distributed among three objects, namely the electron neutrino, the recoiling daughter atom and the lattice phonons. To our understanding, this could be a reason for the non-observation of a periodic time modulation in the number of electron-capture decays of implanted neutral $^{142}$Pm atoms.

  8. Odd-even {sup 147-153}Pm isotopes within the neutron-proton interacting boson-fermion model

    SciTech Connect (OSTI)

    Barea, J.; Alonso, C. E.; Arias, J. M. [Departamento de Fisica, Facultad de Ciencias Fisicas y Matematicas, Universidad de Concepcion, Casilla 160-C, Concepcion, Chile and Instituto de Estructura de la Materia, CSIC, Serrano 123, E-28006 Madrid (Spain); Departamento de Fisica Atomica, Molecular y Nuclear, Facultad de Fisica, Universidad de Sevilla, Apartado 1065, 41080 Sevilla (Spain)

    2011-02-15T23:59:59.000Z

    Low-lying energy states of the {sup 147-153}Pm isotopic chain are studied within the framework of the neutron-proton interacting boson-fermion model (IBFM-2). The spectra of these isotopes show a transition from a particle coupled to a vibrational core to a particle coupled to a deformed one. The calculation reproduces this behavior. In addition, reduced transition probabilities B(E2) and B(M1) and quadrupole and magnetic moments, as well as spectroscopic factors corresponding to stripping and pickup transfer reactions, are calculated. Obtained results compare well with the available experimental data, which reinforces the reliability of the wave functions obtained within the IBFM-2 model.

  9. Testing the accuracy of the Hydro-PM approximation in numerical simulations of the Lyman-alpha forest

    E-Print Network [OSTI]

    Matteo Viel; Martin G. Haehnelt; Volker Springel

    2006-04-20T23:59:59.000Z

    We implement the hydro-PM (HPM) technique (Gnedin & Hui 1998) in the hydrodynamical simulation code GADGET-II and quantify the differences between this approximate method and full hydrodynamical simulations of the Lyman-alpha forest in a concordance LCDM model. At redshifts z=3 and z=4, the differences between the gas and dark matter (DM) distributions, as measured by the one-point distribution of density fluctuations, the density power spectrum and the flux power spectrum, systematically decrease with increasing resolution of the HPM simulqation. However, reducing these differences to less than a few percent requires a significantly larger number of grid-cells than particles, with a correspondingly larger demand for memory. Significant differences in the flux decrement distribution remain even for very high resolution hydro-PM simulations, particularly at low redshift. At z=2, the differences between the flux power spectra obtained from HPM simulations and full hydrodynamical simulations are generally large and of the order of 20-30 %, and do not decrease with increasing resolution of the HPM simulation. This is due to the presence of large amounts of shock-heated gas, a situation which is not adequately modelled by the HPM approximation. We confirm the results of Gnedin & Hui (1998) that the statistical properties of the flux distribution are discrepant by > 5-20 % when compared to full hydrodynamical simulations. The discrepancies in the flux power spectrum are strongly scale- and redshift-dependent and extend to large scales. Considerable caution is needed in attempts to use calibrated HPM simulations for quantitative predictions of the flux power spectrum and other statistical properties of the Lyman-alpha forest.

  10. (January 8, 2012) OM 337: Total Quality Management SPRING 2012 TTH 12:301:45 PM UTC 1.146 Unique # 03900

    E-Print Network [OSTI]

    Ghosh, Joydeep

    1 (January 8, 2012) OM 337: Total Quality Management SPRING 2012 TTH 12:30­1:45 PM UTC 1.146 Unique, and practices of total quality management (TQM). Some of the ideas and topics that are covered are: process; · the foundational elements of total quality management; · the organizational, competitive and economic potential

  11. Stretchable silicon could be next wave in electronics http://www.physorg.com/news9110.html 1 of 3 12/21/2005 6:04 PM

    E-Print Network [OSTI]

    Rogers, John A.

    ://www.physorg.com/news9110.html 2 of 3 12/21/2005 6:04 PM global warming,,somethings forgotten last post by adoucette How, mechanical and electrical uses Image: Scanning electron micrograph of 'wavy' single crystal silicon ribbons sales pitches by participating. Products & SuppliersProducts & Suppliers Schematic illustration

  12. See a sample reprint in PDF format. Order a reprint of this article now OPINION EUROPE DECEMBER 22, 2009, 5:20 P.M. ET

    E-Print Network [OSTI]

    Hunt, Julian

    and environmental devastation wrought was truly massive, with the impact disproportionately felt by the poor, 2009, 5:20 P.M. ET Dow Jones Reprints: This copy is for your personal, non-commercial use only in the right form, at the right place and at the right time to prevent loss of life. · Forecasting. The tsunami

  13. InP-Based Oxide-Confined 16 p.m Microcavity Light Emitting Diodes Weidong Zhou, Omar Qasaimeh, and Pallab Bhattacharya

    E-Print Network [OSTI]

    Zhou, Weidong

    InP-Based Oxide-Confined 16 p.m Microcavity Light Emitting Diodes Weidong Zhou, Omar Qasaimeh light emitting diodes (MCLEDs) have been designed, fabricated and characterized. Oxide- confined MCLEDs region emission peak and cavity resonance peak. Key words: Microcavity light emitting diode (MCLED), wet

  14. DYNAMICS OF LAYER GROWTH IN PROTEIN CRYSTALLIZATION http://pubs.chee.uh.edu/faculty/vekilov/Dynamics.htm[8/2/12 12:23:42 PM

    E-Print Network [OSTI]

    Vekilov, Peter

    DYNAMICS OF LAYER GROWTH IN PROTEIN CRYSTALLIZATION http://pubs.chee.uh.edu/faculty/vekilov/Dynamics.htm[8/2/12 12:23:42 PM] DYNAMICS OF LAYER GROWTH IN PROTEIN CRYSTALLIZATION Peter G. Vekilov* and J mechanisms of instability and step bunching * A. Linear stability predictions * #12;DYNAMICS OF LAYER GROWTH

  15. Train Your Brain Math Club Train Your Brain Math Club meets on Fridays at 4:20-5:20pm. The aim is to teach high

    E-Print Network [OSTI]

    Blokh, Alexander

    Train Your Brain Math Club Train Your Brain Math Club meets on Fridays at 4:20-5:20pm. The aim in joining Train Your Brain Math Club should call UAB Special Studies at (205)934-8263 and mention Train Your Brain Math Club. Contact information: Dr A. Blokh, Coordinator of Outreach Program Department

  16. file:///Users/bkatten/Desktop/wesinvIIItrackresults020114.html[2/1/14 6:13:09 PM] Platt Systems Advanced Timing Solutions

    E-Print Network [OSTI]

    Devoto, Stephen H.

    Home Page file:///Users/bkatten/Desktop/wesinvIIItrackresults020114.html[2/1/14 6:13:09 PM] Platt Systems Advanced Timing Solutions February 1, 2014 Home Results Platt:Timing Calendar All: Events Calendar Platt on Facebook 2012 Results 2011 Results 2010 Results 2009 Results 2008 Results 2007 Results 2006

  17. d:\\activepdf\\uploadfolder\\$asq1rr04-4144-212200461042pm.doc Page 1 Erosional narrowing after dam removal: Theory and numerical model

    E-Print Network [OSTI]

    Parker, Gary

    of a dam that is filled with sediment. A channel incises into the deposit after failure of the leadingd:\\activepdf\\uploadfolder\\$asq1rr04-4144-212200461042pm.doc Page 1 Erosional narrowing after dam phenomenon herein called "erosional narrowing". This occurs immediately after the sudden removal of a dam

  18. Corrosion, Its Control and Possibly Useful Operating Tactics Thursday, February 27, 2014, 8:30 a.m. -12:30 p.m.

    E-Print Network [OSTI]

    Buehrer, R. Michael

    Corrosion, Its Control and Possibly Useful Operating Tactics Thursday, February 27, 2014, 8:30 a.m. - 12:30 p.m. 0.4 CEUs/4 Contact hours Participants will learn the electrochemistry of aqueous corrosion of metals, including forms of corrosion, effects on corrosion rates of important service and operating

  19. GPS World -With Racing Heart http://www.gpsworld.com/gpsworld/content/printContentPopup.js... 1 of 6 9/5/06 12:06 PM

    E-Print Network [OSTI]

    Vetterli, Martin

    GPS World - With Racing Heart http://www.gpsworld.com/gpsworld/content/printContentPopup.js... 1 of 6 9/5/06 12:06 PM Waist harness containing GPS receiver and helmet with antenna With Racing Heart of physics. A new Swiss system integrates GPS, video, and biosensors for precise position, velocity and heart

  20. 2:00-2:30 Beverages, 2:30-4 PM Seminar One of the many challenges of energy production in cold regions is the design of

    E-Print Network [OSTI]

    2/4/2014 2:00-2:30 Beverages, 2:30-4 PM Seminar Abstract One of the many challenges of energy production in cold regions is the design of structures for ice actions. Ice formations can impinge against