1–50 von 140 Ergebnissen
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    Weld metal mechanical properties in hyperbaric GTAW of X70 pipeline

    Akselsen, Odd M. / Fostervoll, Hans / Harsvaer, Ansgar et al. | Tema Archiv | 2006
    In the present investigation, two different wires for hyperbaric (underwater) GTA (gas tungsten arc) welding of X70 pipelines have been ...

    Wear effects and mechanisms of soot-contaminated automotive lubricants

    Green, D.A. / Lewis, R. / Dwyer-Joyce, R.S. | Tema Archiv | 2006
    engine valve train contact. Previous research on this topic has been mainly performed from a chemical point of view in fundamental studies, with ...

    Water-based coatings for automotive refinishing

    Rink, H.P. / Mayer, B. | Tema Archiv | 1998
    chemical base of the mixing clear and the mixing bases is a special set of polyurethane resins, which enable an excellent orientation of the ...

    Volcanic Ash-Induced Decomposition of EB-PVD Gd2Zr2O7 Thermal Barrier Coatings to Gd-Oxyapatite, Zircon, and Gd, Fe-Zirconolite

    Mechnich, Peter / Braue, Wolfgang / Green, D.J. | Tema Archiv | 2013
    . However, first-generation Gd-oxyapatite and Gd-FSZ are exhibiting chemical evolution in the long term. The chemical composition of Gd-oxyapatite ...

    Variations in speciated emissions from spark-ignition and compression-ignition motor vehicles in california's south coast air basin

    Fujita, Eric M. / Zielinska, Barbara / Campbell, David E. et al. | Tema Archiv | 2007
    chemical mass balance receptor model to quantify the contributions of spark-ignition (SI) and compression-ignition (CI) engine exhaust to ambient ...

    Tribochemistry on clutch friction material lubricated by automatic transmission fluids and the link to frictional performance

    Zhao, Hongyuan / Morina, Ardian / Neville, Anne et al. | Tema Archiv | 2013
    proposed pathways of additive decompositions by using chemical bond dissociation energy comparisons. ...

    Time-resolved ammonia measurement in vehicle exhaust

    Mohn, Joachim / Forss, Anna-Maria / Bruhlmann, Stefan et al. | Tema Archiv | 2004
    The objective of this study was to identify the influence of sampling and analytical approach on the quality of NH3 emission ...

    Thermodynamic peculiarities of low-temperature regeneration of cryosorption devices in heat-insulation cavities of hydrogenous cryogenic tanks

    Gusev, A.L. | Tema Archiv | 2001
    Conference 'HTM-98', Donetsk, 1998, p. 180). Based on experimental research a chemical chamber design is proposed. This makes possible the removal of ...

    The reuse of wastewater and sludge for cultivation of forestry trees in desert areas in Greece

    Kalavrouziotis, Ioannis K. / Hortis, Theofanis C. / Drakatos, Panagiotis A. | Tema Archiv | 2004
    sewage from treatment plants. The analysis of all the parameters (chemical, environmental, geological) that are related to the by-products of the ...

    The influence of basecoat pigmentation on chemical structure and surface topology of automotive clearcoats during weathering

    Yari, H. / Moradian, S. / Ramezanzadeh, B. et al. | Tema Archiv | 2012
    The present study aims at elucidating the effect of basecoat pigmentation on the chemical structure and surface topology of its attached ...

    The effects of weathering on the mechanical performance of automotive paint systems

    Nichols, M.E. / Gerlock, J.L. / Smith, C.A. et al. | Tema Archiv | 1999
    advances in assessing the durability of coatings by measuring weathering-induced chemical composition changes have greatly increased our ability to ...

    The effects of SiC whiskers and an SiC film coating deposited by chemical vapor infiltration (CVI) on a porous cordierite substrate

    Lee, Hwan-Sup / Kim, Jun-Gyu / Choi, Doo-Jin | Tema Archiv | 2008
    This study was performed with the goal of reducing environmental pollution caused by nano-particle materials. SiC whiskers were grown on a ...

    The effect of multiple postweld heat treatment cycles on the weldability of waspaloy

    Qian, M. / Lippold, J.C. | Tema Archiv | 2002
    The heat-affected-zone (HAZ) liquation cracking susceptibility of wrought Waspaloy subjected to simulated, multiple postweld heat treatment ...

    The effect of diesel engine operating conditions on exhaust particle size distributions

    Armas, O. / Ballesteros, R. / Gomez, A. | Tema Archiv | 2008
    , finally, the physical and chemical characteristics of the aerosol, which are a direct consequence of those processes occurring in the engine ...

    The effect of adhesive curing condition on bonding strength in auto body assembly

    Wu, Xin / Hao, Hongqi | Tema Archiv | 2005
    improve the adhesive bonding strength, both the chemical reaction (degree of cure) and physical response (gas bubble formation) need to be ...

    The conquest of interplanetary space

    Kondratyuk, Y. | Tema Archiv | 2001
    a working load formula. It discusses exhaust speed and the chemical agent; the design of combustion and exhaust chambers; the proportional ...

    Texas plant treats natural gas for use as alternative fuel

    Tema Archiv | 1996
    Dow Chemical produziert. Diese Aminmischung kommt ohne Korrosionshemmer aus. Das Amin kann außerdem immer wieder in den Kreislauf ...
    Schlagwörter: USA (United States of America)

    Temperature and pressure influence on explosion pressures of closed vessel propane-air deflagrations

    Razus, Domnina / Brinzea, Venera / Mitu, Maria et al. | Tema Archiv | 2010
    literature values and compared to adiabatic explosion pressures, computed by assuming chemical equilibrium within the flame front. The influence of ...

    Suitability analysis of a polymer-metal hybrid technology based on high-strength steels and direct polymer-to-metal adhesion for use in load-bearing automotive body-in-white applications

    Grujicic, M. / Sellappan, V. / Kotrika, S. et al. | Tema Archiv | 2009
    A comprehensive set of computational engineering analyses is carried out in order to assess the suitability of a 'direct adhesion' polymer ...

    Study on axial force and its distribution for a newly developed block-type CVT belt

    Amijima, S. / Fujii, T. / Matuoka, H. et al. | Tema Archiv | 1991
    Bando Chemical entwickelte für stufenlose Automatikgetriebe in Kraftwagen einen neuen Treibriemen mit V-Form. Der Treibriemen nennt sich V ...
    Schlagwörter: BANDO CHEMICAL

    Studying the chemistry of HCCS in rapid compression machines

    Würmel, J. / Simmie, J.M. / Curran, H.J. | Tema Archiv | 2007
    devices are the same. There is no tool that describes, meaningfully, the physical and chemical processes occuring in one of the simplest research ...

    Structural steel for the application in offshore, wind and hydro energy production: comparison of application and welding properties of frequently used materials

    Schröter, Falko | Tema Archiv | 2011
    Energy production by wind and hydropower sets demanding requirements on the steel grades used for structural applications. The question of ...

    Strengthening materials specifications

    Sampath, K. | Tema Archiv | 2005
    approach to specify the chemical composition of high-performance welding electrodes for critical U.S. Navy applications. This approach helps to ...
    Schlagwörter: USA (United States of America)

    Steady-state characteristics of oxygen concentration cell sensors subjected to nonequilibrium gas mixtures

    Anderson, J.E. / Graves, Y.B. | Tema Archiv | 1981
    deviations from chemical equilibrium actually exist in the bulk exhaust stream. This is accomplished through use of catalytic electrodes that are ...

    Spacecraft ion propulsion development in the United Kingdom

    Fearn, D.G. | Tema Archiv | 1997
    The on-board propulsion system dominates the design of many spacecraft, particularly as regards mass and volume. However, the mass of this ...

    Sao Paulo aerosol characterization study

    Alonso, C.D. / Martins, M.H.R.B. / Romano, J. et al. | Tema Archiv | 1997
    The Sao Paulo Metropolitan area (SPMA) is characterized as having one of the worst air pollution problems in Brazil, with frequent ...

    Root bead profiles in hyperbaric GTAW of X70 pipeline

    Akselsen, Odd M. / Harsvaer, Ansgar / Fostervoll, Hans et al. | Tema Archiv | 2006
    This investigation began with the goal of studying the root bead penetration profiles in hyperbaric GTAW(Gas Tungsten Arc Welding) of X70 ...

    Review of hydrogen storage techniques for on board vehicle applications

    Durbin, D.J. / Malardier-Jugroot, C. | Tema Archiv | 2013
    storage. Mechanical compression as well as storage in chemical hydrides and absorption to carbon substrates has been investigated. An overview of ...

    Research status of active cooling of endothermic hydrocarbon fueled scramjet engine

    Ning, Wang / Yu, Pan / Jin, Zhou | Tema Archiv | 2013
    are put forward. The total heat sink of endothermic hydrocarbon fuel is found to be sufficient for scramjet cooling as the additional chemical ...

    Requirements for advanced mobile storage systems

    Ewald, R. | Tema Archiv | 1998
    Industrial Gases Industry and of chemical process engineering, on space technology and new developments, different methods of hydrogen storage have ...

    Recovery of thermomechanical exergy from cryofuels

    Fyke, A. / Li, D. / Crane, P. et al. | Tema Archiv | 1997
    the chemical exergy of such fuels. Due to their low temperatures, however, they contain thermomechanical exergy which is almost always wasted ...

    Quick reference guide for beta titanium alloys in the 00s

    Nyakana, S.L. / Fanning, J.C. / Boyer, R.R. | Tema Archiv | 2005
    Beta titanium alloys provide useful combinations of physical and mechanical properties, as well as a wide range of processing options and ...

    Purification process for chemical storage of hydrogen for fuel cell vehicles applications

    Swesi, Yousef / Ronze, Didier / Pitault, Isabelle et al. | Tema Archiv | 2007
    An alternative way to provide hydrogen in FCVs (fuel cell vehicles) consists of storing hydrogen in liquid hydrocarbons. Supplying hydrogen ...

    Protect and service

    Burki, Marti | Tema Archiv | 2004
    The development of functional coatings is becoming a priority for Asian car manufacturers. Both temperature and UV exposure are usually ...

    Progress in the design of CBE systems

    Mifsud, V.J. / Sullivan, P.W. / Williams, D. | Tema Archiv | 1990
    A gas flow control system for use in chemical beam epitaxial growth systems is described. This system employs a unique dual-valve control ...

    Process simulation in sheet metal forming

    Makinouchi, A. / Kawka, M. | Tema Archiv | 1994
    Vorstellung des am Institute of Physical and Chemical Research RIKEN, Saitama, J, entwickelten Finite-Elemente-Programms ITAS-3D zur ...

    Process industry heat exchanger R&D with possible implications for aerospace technology

    Pilavichi, P.A. | Tema Archiv | 1993
    exchangers, chemical reactors with integrated heat exchangers), gas-solid heat recovery, liquid-liquid heat recovery (shell and tube heat exchangers ...

    Preliminary experiment on improvement of underwater wet plasma welds using filler metal

    Fukushima, S. / Fukushima, T. / Kinugawa, J. | Tema Archiv | 1981
    The possibility of improving the ductility and notch toughness of underwater wet plasma welds was investigated by controlling the chemical ...

    Prediction of methanol loss in vapor phase during gas hydrate inhibition using Arrhenius-type functions

    Bahadori, Alireza / Vuthaluru, Hari B. | Tema Archiv | 2010
    leading to safety hazards to production/transportation systems and to substantial economic risks. The amount of hydrate inhibitor to be injected ...

    Potential use of transport and dispersion model output to supplement allied tactical publication-45 hazard area prediction templates

    Platt, Nathan / Jones, Leo | Tema Archiv | 2012
    Allied Tactical Publication-45(C) is the current US and NATO command doctrine for Nuclear, Chemical and Biological (NBC) events. ATP-45 is ...

    Potentials of NO(x) emission reduction methods in SI hydrogen engines: Simulation study

    Safari, H. / Jazayeri, S.A. / Ebrahimi, R. | Tema Archiv | 2009
    The ever increasing cost of hydrocarbon fuels and more stringent emission standards may resolve challenges in producing hydrogen and using ...

    Pipeline system identification through cross-correlation analysis

    Beck, S.B.M. / Williamson, N.J. / Sims, N.D. et al. | Tema Archiv | 2002
    chemical industries are usually monitored by a multiplicity of pressure, flow, and valve position sensors. By comparing the input signal to a valve ...

    Photopolymerisation of composite material in simulated free space environment at low Earth orbital flight

    Kondyurin, A. / Lauke, B. / Vogel, R. | Tema Archiv | 2006
    chemical polymerisation of a composite material in space environment. The polymerisation processes of liquid polymer matrix in a free space ...

    Perspective on hydrogen energy carrier and its automotive applications

    Cipriani, Giovanni / Di Dio, Vincenzo / Genduso, Fabio et al. | Tema Archiv | 2014
    considered both from technical and economical point of views. In particular, differences between physical and chemical storage are here considered ...

    Performance and characteristics of platinum, palladium/rhodium and palladium automotive catalysts when subjected to ethanol, acetaldehyde and a synthetic E85 exhaust gas mixture

    Mc-Atee, Claire / Mc-Cullough, Geoffrey / Douglas, Roy | Tema Archiv | 2012
    The performance optimization of automotive catalysts has been the focus of in-depth research for many years as the automotive industry has ...

    Optimal control of the transient emissions and the fuel efficiency of a diesel hybrid electric vehicle

    Wang, Yu / Zhang, Hu / Sun, Zongxuan | Tema Archiv | 2013
    and chemical nature of the engine combustion process, and the dynamic interactions between the engine and the alternative power source, it is ...

    On-board conversion of alcohols to ethers for fumigation in compression ignition engines

    Armbruster, H. / Stucki, S. / Olsson, E. et al. | Tema Archiv | 2003
    catalyst for converting methanol to DME in sufficient rates for an on-board application. The chemical kinetics and the mass transfer limitations of ...

    On-board and off-board performance of hydrogen storage options for light-duty vehicles

    Ahluwalia, R.K. / Hua, T.Q. / Peng, J.K. | Tema Archiv | 2012
    hydrolysis of sodium borohydride presents difficult chemical, thermal and water management issues, and regenerating NaBH4 by converting B ...

    Off-grid test results of a solar-powered hydrogen refuelling station for fuel cell powered Unmanned Aerial Vehicles

    Troncoso, E. / Lapena-Rey, N. / Valero, O. | Tema Archiv | 2014
    friendlier and low noise operation. Most FC-based UAVs tested to date rely on compressed gas cylinders delivered to the point of use and used to ...

    Numerical simulation of the effects of vaporization on the motion of PIG during pigging process

    Deng, Tao / Gong, Jing / Zhou, Jun et al. | Tema Archiv | 2014
    During the course of pigging after water pressure test, when pressure drops to vapor pressure, localized vaporization always occurs at ...