61–80 von 212 Ergebnissen
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    Preparation of NiCoCrAlYTa/Ag/Mo composite self-lubricant coating and its high-low temperature cycling tribological properties

    Freier Zugriff
    HAO Enkang / CHEN Jie / LIU Guang et al. | DOAJ | 2023
    morphology features, chemical composition and phase structure of the worn surface were studied to reveal the interaction between different elements ...
    Verlag: Journal of Aeronautical Materials

    Prediction of Chemical Nonequilibrium Flow Structure at Different Free-Stream Knudsen Numbers

    He, Tao / Wang, Jiang-Feng | ASCE | 2016
    . Further, the effects of chemical nonequilibrium on hypersonic rarefied flow-field structure are investigated to verify the applicability of the ...
    Verlag: American Society of Civil Engineers

    Performance Impacts of Metal Additive Manufacturing of Very Small Nozzles

    Freier Zugriff
    Tommila, Christopher D. / Hartsfield, Carl R. / Redmond, Joel J. et al. | ASCE | 2020

    For small satellite electrothermal or chemical thrusters, nozzle throat diameters may be less than 1 mm. At these

     ...
    Verlag: American Society of Civil Engineers

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

    McAtee, Claire / McCullough, Geoffrey / Douglas, Roy | SAGE Publications | 2012
    The performance optimization of automotive catalysts has been the focus of in-depth research for many years as the automotive industry has ...

    Optimization Modeling and Empirical Research on Gasoline Octane Loss Based on Data Analysis

    Freier Zugriff
    Ji Guo / Yujia Lou / Wanyi Wang et al. | DOAJ | 2021
    chemical enterprises, saving the economic cost of chemical enterprises, and protecting the atmospheric environment. ...

    Numerical Simulation of Reactive Flows in Overexpanded Supersonic Nozzle with Film Cooling

    Freier Zugriff
    Mohamed Sellam / Amer Chpoun | DOAJ | 2015
    necessary to understand both aerodynamic and chemical mechanisms that are at the origin of these processes. This paper is a numerical contribution ...

    Numerical simulation of angular injection of hydrogen fuel in scramjet combustor

    Chandra Murty, M S R / Chakraborty, D | SAGE Publications | 2012
    finite rate H2–air kinetics are used to find out the effect of chemical kinetics in the thermochemical behaviour of the flow field ...

    Numerical Investigation of Inlet Thermodynamic Conditions on Solid Fuel Ramjet Performances

    Freier Zugriff
    Weixuan Li / Dan Zhao / Xiong Chen et al. | DOAJ | 2021
    of a solid fuel ramjet (SFRJ) with different inlet conditions. This is achieved by using an in-house FORTRAN code to simulate a 2D turbulent ...

    Numerical Investigation of an Axisymmetric Model Scramjet Assisted with Cavity of Different Aft Wall Angles

    Freier Zugriff
    Guangwei Ma / Mingbo Sun / Guoyan Zhao et al. | DOAJ | 2021
    nonreacting flow field. The configuration of the cavity shear layer changes hugely due to the significant chemical reaction and heat release in the ...

    NATURAL AGEING EFFECTS ON MICROSTRUCTURE AND PROPERTIES OF RAIL FASTENING ELEMENTS SKL-12

    Freier Zugriff
    Krzysztof LABISZ / Jarosław KONIECZNY | DOAJ | 2020
    lattice structure determination, EDS chemical microanalysis and Rockwell hardness testing were also carried out in terms of identification of the ...
    Verlag: Silesian University of Technology

    Multivariate Comparison of Lunar Soil Simulants

    Zarzycki, Paweł K. / Katzer, Jacek | ASCE | 2019
    used to enable large-scale lunar research programs. They are supposed to be precise copycats of lunar soil in chemical composition, mineralogy ...
    Verlag: American Society of Civil Engineers

    Multidisciplinary Design Optimization and Analysis of Hydrazine Monopropellant Propulsion System

    Freier Zugriff
    Amirhossein Adami / Mahdi Mortazavi / Mehran Nosratollahi et al. | DOAJ | 2015
    optimize the total propulsion system, subsystems should be optimized. Chemical decomposition, aerothermodynamics, and structure disciplines demand ...

    Modelling Consequences of Maritime Critical Infrastructure Accidents

    Freier Zugriff
    Bogalecka Magda | DOAJ | 2019
    and prediction. The model also includes the cost analysis of losses associated with these chemical releases. Further, under the assumption of ...
    Schlagwörter: cost of losses

    Modelling and performance prediction of a centrifugal cargo pump on a chemical tanker

    Yüksel, Onur / Köseoğlu, Burak | Taylor & Francis Verlag | 2020
    of a chemical tanker’s centrifugal cargo pump. ...

    Mixed Convection Stagnation-Point Flow of Powell-Eyring Fluid with Newtonian Heating, Thermal Radiation, and Heat Generation/Absorption

    Hayat, Tasawar / Waqas, Muhammad / Shehzad, Sabir Ali et al. | ASCE | 2016

    This article explores the steady mixed convection stagnation-point flow of Powell-Eyring fluid in the presence of

     ...
    Verlag: American Society of Civil Engineers