1–50 von 669 Ergebnissen
|

    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 ...

    Welding propellers shaft tubing for automotive industry

    Gridley, G.C. | Engineering Index Backfile | 1940
    propeller shaft tube; developments of mechanical, chemical and metallurgical properties of strip steel to be used in manufacture of tubing ...

    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 ...

    Waste heat recovery in a cruise vessel in the baltic sea by using an organic rankine cycle: a case study

    Ahlgren, Fredrik | Online Contents | 2016
    Maritime transportation is a significant contributor to SOx,NOx, and particle matter (PM) emissions, and to a lesser extent, of CO2 ...
    Schlagwörter: Chemical properties

    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 ...

    Visualization of different flashback mechanisms for [H.sub.2]/C[H.sub.4] mixtures in a variable-swirl burner

    Sayad, Parisa | Online Contents | 2015
    Schlagwörter: Chemical properties

    Vibration Transport of Lunar Regolith for In Situ Resource Utilization Using Piezoelectric Actuators with Displacement-Amplifying Mechanism

    Kawamoto, Hiroyuki | ASCE | 2020
    . Lunar regolith is the most promising substance that can be used as a building material; its chemical composition includes metals, oxygen, helium ...
    Verlag: American Society of Civil Engineers

    Vertical Transport of Lunar Regolith and Ice Particles Using Electrodynamic Traveling Wave

    Kawamoto, Hiroyuki / Hata, Kazuhiro / Shibata, Takahiko | ASCE | 2021
    from the lunar surface, chemical and physical forms, and the amount of water, is unclear, the Japan Aerospace Exploration Agency (JAXA) is ...
    Verlag: American Society of Civil Engineers

    Vertical Transportation of Lunar Regolith and Ice Particles Using Vibrating Tube

    Kawamoto, Hiroyuki / Kubo, Keita / Kikumiya, Ryo et al. | ASCE | 2021
    utilizing a vibration transportation mechanism that realizes the lifting of particles to physical and chemical analyzers installed on the rover. In ...
    Verlag: American Society of Civil Engineers

    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 ...

    Using Chemical Kinetics to Understand Effects of Fuel Type and Compression Ratio on Knock-Mitigation Effectiveness of Various EGR Constituents

    Vuilleumier, David / Nakata, Koichi / Sjöberg, Magnus et al. | SAE Technical Papers | 2019
    Exhaust gas recirculation (EGR) can be used to mitigate knock in SI engines. However, experiments have shown that the effectiveness of ...
    Verlag: Society of Automotive Engineers , SAE International

    Uses of aeroplane in agriculture

    Engineering Index Backfile | 1962
    Papers of meeting of Society's Agric Aviation Group, Dec 13 1961. Operator's Year, P.R.HATFIELD, 767-9; Aerial Treatments in Forest Areas ...

    Use of high- and low-thrust propulsion in combination for space missions

    Edelbaum, T.N. | Engineering Index Backfile | 1962
    systems (chemical or nuclear rockets); use of both systems in combination will often result in performance superior to that obtainable with either ...

    Unmanned planetary spacecraft chemical rocket propulsion.

    Burlage, H., Jr. / Gin, W. / Riebling, R. W. | NTRS | 1972
    Review of some chemical propulsion technology advances suitable for future unmanned spacecraft applications. Discussed system varieties ...

    Unified Analysis of Internal Flowfield in an Integrated Rocket Ramjet Engine. I: Transition from Rocket Booster to Ramjet Sustainer

    Sung, Hong-Gye / Yang, Vigor | ASCE | 2012
    -ramjet (IRR) propulsion system. The study consists of two parts: transition from the rocket booster to the ramjet sustainer and combustion ...
    Verlag: American Society of Civil Engineers

    Two-Dimensional Boundary Layer Flow of Chemical Reaction MHD Fluid over a Shrinking Sheet with Suction and Injection

    Khan, Y. | ASCE | 2014

    In this paper, the steady two-dimensional boundary layer flow of chemical reaction magnetohydrodynamics (MHD

     ...
    Verlag: American Society of Civil Engineers

    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. ...

    Transient photoconductivity in azulene single crystals

    Sonnonstine, T. J. / Wiglesworth, A. / Hermann, A. M. | NTRS | 1973

    Tomographic imaging of the liquid and vapour fuel distributions in a single-cylinder direct-injection gasoline engine

    Natasa Terzija | Online Contents | 2015
    This article reports the application of optical tomography and chemical species tomography to the characterisation of the in-cylinder ...

    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 ...

    Time-Dependent Second-Order Viscoelastic Fluid Flow on Rotating Cone with Heat Generation and Chemical Reaction

    Saleem, Salman / Nadeem, Sohail / Awais, Muhammad | ASCE | 2016
    the presence of chemical reaction and heat generation or absorption effects under prescribed heat flux conditions. The boundary-layer ...
    Verlag: American Society of Civil Engineers

    Time-Dependent Second-Order Viscoelastic Fluid Flow on Rotating Cone with Heat Generation and Chemical Reaction

    Nadeem, Sohail | Online Contents | 2016
    AbstractThe present analysis deals with the study of time-dependent flow of a second-order fluid on a rotating cone in the presence of ...

      Time-Dependent Second-Order Viscoelastic Fluid Flow on Rotating Cone with Heat Generation and Chemical Reaction

      Nadeem, Sohail | Online Contents | 2016
      AbstractThe present analysis deals with the study of time-dependent flow of a second-order fluid on a rotating cone in the presence of ...

    Three-dimensional numerical analysis of diesel combustion under cold ambient conditions

    Imaoka, Yoshihiro | Online Contents | 2015
    characteristic time scale of chemical reactions and turbulence eddy breakup. In addition, the parameters of the ignition model and computational grids ...
    Schlagwörter: Chemical reactions

    Three-Dimensional Flow of Maxwell Fluid with Soret and Dufour Effects

    Bilal Ashraf, M. / Hayat, T. / Alhuthali, M. S. | ASCE | 2015
    stretching surface with convective boundary conditions. Analysis is carried out in the presence of mass transfer with first-order chemical reactions ...
    Verlag: American Society of Civil Engineers

    Three-Dimensional Flow of Maxwell Fluid with Soret and Dufour Effects

    Hayat, T | Online Contents | 2016
    convective boundary conditions. Analysis is carried out in the presence of mass transfer with first-order chemical reactions, and with Soret and ...

    Three-Dimensional Computational Fluid Dynamics Modeling and Validation of Ion Current Sensor in a Gen-Set Diesel Engine Using Chemical Kinetic Mechanism

    Badawy, Tamer | Online Contents | 2017
    consuming. A 3D computational fluid dynamics (CFD) model, coupled with a chemical kinetic solver, was developed to calculate the mole fraction of ...

    The space exposure experiment of PEEK sheets under tensile stress

    Nakamura, Takashi / Nakamura, Hiroshi / Fujita, Osamu et al. | Tema Archiv | 2004
    observed on surface morph, mass, chemical structure, and tensile properties of the test pieces after EB exposure regardless of tensile stress. ...

    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 ...

    Thermocouple temperature measurements in diesel spray flame for validation of in-flame soot formation dynamics

    Aizawa, Tetsuya | Online Contents | 2017
    simulation of diesel spray flame employing detailed chemical kinetics. The measured steady-state temperature increased from upstream to downstream in ...

    Thermal plasma pyrolysis of used tires for carbon black recovery

    Tang, L. / Huang, H. | Tema Archiv | 2005
    This letter reports on the gaseous and carbon black product characteristics from nitrogen thermal plasma pyrolysis of used tires. Steam may ...

    Thermal and Transport Properties for the Simulation of Direct-Fired sCO2 Combustor

    Manikantachari, K. R. V | Online Contents | 2017
    CHEMKIN (CHEMKIN-RG) (Schmitt et al., 1994, Chemkin Real Gas: A Fortran Package for Analysis of Thermodynamic Properties and Chemical Kinetics in ...

    Thermal and chemical effects of fuel direct injection on kinetically controlled combustion of alcohol and gasoline fuels

    Manida Tongroon | Online Contents | 2015
    autoignition combustion of gasoline engines. In order to understand better the underlying physical and chemical processes involved, a systematic ...

    Thermal analysis of polymer-water interactions and their relation to gas hydrate inhibition

    Varma-Nair, Manika / Costello, Christine A. / Colle, Karla S. et al. | Tema Archiv | 2007
    . Nonfreezable bound water was used to quantify polymer-water interactions and relate them to the chemical structure for a series of polymers, including ...

    Thermal Analysis of Aircraft Auxiliary Power Unit: Application of Chemical Looping Combustion

    Singh, Anand Shankar / AKRAM, MD / Kumar, Prashant et al. | SAE Technical Papers | 2019
    by a chemical-looping-combustion (CLC) system. CLC system consist of two reactor one is oxidation reactor (air reactor) and the other is ...
    Verlag: Society of Automotive Engineers , SAE International

    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 potential of catalysed exhaust gas recirculation to improve high-load operation in spark ignition engines

    Dominic Parsons | Online Contents | 2015
    exhaust gas recirculation, some of the components, such as NO, CO, and hydrocarbons, can have significant chemical effects. The literature shows ...

    The Influence of Diluent Gases on Combustion Properties of Natural Gas: A Combined Experimental and Modeling Study

    Richter, Sandra | Online Contents | 2016
    . This database was used for the validation of four chemical kinetic reaction models, including an in-house one, and by referring to hydrogen ...

    The influence of differential evaporation on the structure of a three-component biofuel spray

    Peter Keller | Online Contents | 2015
    , two-liquid and universal quasi-chemical functional group activity coefficients methods are applied. A ternary mixture composed of ethanol, n ...