1–20 von 37 Ergebnissen
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    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

    Unpaved Road Dust Control in the Piceance Creek Basin in Rio Blanco County, Colorado

    Sanders, Thomas G. / Quayenortey, Jonathan A. / Jorgensen, Dan | ASCE | 2014
    initiated to investigate the effectiveness of several chemical dust suppressants in reducing dust emissions, thus prolonging the intervals between ...
    Verlag: American Society of Civil Engineers

    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

    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

    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

    Solar Sintering for Lunar Additive Manufacturing

    Fateri, Miranda / Meurisse, Alexandre / Sperl, Matthias et al. | ASCE | 2019

    Additive manufacturing (AM) is one of the most promising techniques for on-site manufacturing on extraterrestrial

     ...
    Verlag: American Society of Civil Engineers

    Research on Pavement Performance of Volcanic Ash Mixture as Road Base and Mechanism

    Chen, Zhiguo / Wang, Zheren | ASCE | 2009

    In order to solve the lack of raw materials used as traditional road base in the area with abundant volcanic ash

     ...
    Verlag: Research Institute of Highway, Ministry of Transport, Beijing (RIOH)

    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

    Power and Propulsion at NASA Glenn Research Center: Historic Perspective of Major Accomplishments

    Lyons, Valerie J. | ASCE | 2013

    Propulsion and power have long been core competencies of the National Aeronautics and Space Administration (NASA

     ...
    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

    Numerical Prediction of Two-Phase Reacting Flow Field and Performance in an Aeroengine Combustor

    Cai, Wenxiang | ASCE | 2011
    adopted to simulate turbulence viscosity. A second-order moment eddy–break up turbulence combustion model was used to determine the chemical ...
    Verlag: American Society of Civil Engineers

    Numerical Investigation of Diffusers in Arc-Heated Wind Tunnel: Introducing a Novel and Efficient Hypersonic Diffuser

    Sol Baek, Jin / Choi, Daesan / Kim, Kyu-Hong | ASCE | 2022
    and a second-throat cylindrical diffuser of a large-scale arc-heated wind tunnel with a Mach number 6 nozzle. The length of the diffuser was ...
    Verlag: American Society of Civil Engineers

    Nuclear Thermal Propulsion: Past Accomplishments, Present Efforts, and a Look Ahead

    Borowski, Stanley K. | ASCE | 2013
    wide range of thrust levels, high-temperature fuel, sustained engine operation, accumulated time at full power, and restart capability ...
    Verlag: American Society of Civil Engineers

    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

    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

    Managing Alaska’s Road-Dust Problem: A Model for Road Dust–Impacted Regions

    Barnes, David L. / Connor, Billy / Trost, Barbara et al. | ASCE | 2020
    : institutional controls, road watering, chemical dust suppressants, and road surface stabilization. Geographical zones where use of each different dust ...
    Verlag: American Society of Civil Engineers

    Instrumentation for Aerospace Applications: Electronic-Based Technologies

    Matus, Lawrence G. | ASCE | 2013

    Throughout the 70-year history of the National Aeronautics and Space Administration (NASA) Glenn Research Center

     ...
    Verlag: American Society of Civil Engineers