21–40 von 435 Ergebnissen
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    Application of Reflected Shock Wave Configuration to Validate Nonequilibrium Models of Reacting Air

    Gimelshein, Sergey F. / Streicher, Jesse W. / Krish, Ajay et al. | AIAA | 2022
    of high-temperature chemical reaction models. Computations have shown that the Bias reaction model is superior to the total collision energy ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Numerical Modeling of Electric Discharges Generated in Supersonic Flows

    Nekris, Alexander / Gnemmi, Patrick / Mundt, Christian | AIAA | 2022
    verification of the calculation models for thermodynamic and transport properties as well as finite-rate chemical kinetics is carried out by means of ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Finite Rate Chemical Kinetics

    Effect of Oxygen Dissociation on Nitric Oxide Ultraviolet Emissions

    Karpuzcu, Irmak T. / Jouffray, Matthew P. / Levin, Deborah A. | AIAA | 2022
    emission profiles are a test of high-fidelity thermochemical, nonequilibrium models. For pressures found in typical hypersonic ground facilities ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Multiscale Modeling of Gas–Solid Surface Interactions Under High-Temperature Gas Effect

    Qiu, Tianhao / Zhao, Mingcan / Li, Yanping et al. | AIAA | 2022

    The high-temperature gas effect is critical to the design of high-speed aircraft in terms of the thermal protection at their surfaces

     ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Numerical and Empirical Studies of Heat Transfer in High-Enthalpy Argon–Air Mixtures

    Diwakar, Anant / Bodi, Kowsik | AIAA | 2022
    of local thermochemical equilibrium. The study considers a range of stagnation enthalpies, over which chemical reactions in the stagnation ...
    Verlag: The American Institute of Aeronautics and Astronautics

    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

    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

    Steam-Assisted Cracking of n-Dodecane in a Packed-Bed Reactor for Hypersonic Thermal Management

    Smith, Bradley J. / Ervin, Jamie S. / Reitz, Thomas L. | AIAA | 2021

    Heat removal capacity of catalytically cracked supercritical n-dodecane as a jet fuel analogue in a cylindrical packed-bed reactor is

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Heat of Formation

    Aspect Ratio Effects on the Noncracking and Cracking Heat Transfer in Microchannels

    Gao, Mingyu / Guo, Jiang / Pei, Xinyan et al. | AIAA | 2021

    In cooling microchannels of advanced flight engines, the fuel temperature rapidly increases to facilitate endothermic cracking reactions

     ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Attitude-Orbit Cooperative Control for Small-Scale Spacecraft with Chemical Propulsion: Adaptive Sliding Mode Control Based on Neural Network

    Freier Zugriff
    Wang, Guogang / Liu, Keping / Sun, Zhongbo et al. | ASCE | 2020
    by orbit transfer of small satellites with chemical propulsion. The changing rule of satellite fuel consumption rate and moment of inertia ...
    Verlag: American Society of Civil Engineers

    Thermodynamic Properties of Hydroxylammonium Nitrate-Based Electric Solid Propellant Plasma

    Glascock, Matthew S. / Drew, Patrick D. / Rovey, Joshua L. et al. | AIAA | 2020

    Electric solid propellants are advanced solid chemical rocket propellants controlled by electric current. An electric solid propellant

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium , Chemical Rocket Propellants

    Direct Molecular Simulation of Nitrogen Dissociation Under Adiabatic Postshock Conditions

    Torres, Erik / Schwartzentruber, Thomas E. | AIAA | 2020

    Direct molecular simulations (DMS) of nitrogen dissociation in adiabatic reservoirs covering a wide enthalpy range are presented. These

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium , Chemical Energy

    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

    Boundary-Layer Thermochemical Analysis During Passive and Active Oxidation of Silicon Carbide

    Chen, Samuel Y. / Boyd, Iain D. | AIAA | 2020
    nonequilibrium computational fluid dynamics framework, accounting for gas–surface reactions, blowing of oxidation products, and a detailed surface energy ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Flow and Mass Transfer of Pyrolytic Aviation Kerosene in Curved Channel

    Gong, Keyu / Cao, Yong / Feng, Yu et al. | AIAA | 2020
    the detailed chemical kinetic mechanism of China No. 3 jet fuel (also known as RP-3), the flowfield and surface coking of RP-3 in the curved ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Aerothermodynamic Assessment of Spiked Configuration for Drag Reduction at Hypersonic Speeds

    Kumar, Shailendra / Kulkarni, Vinayak / Jammy, Satya Pramod | ASCE | 2020
    reduction effectiveness. In-house perfect gas and chemical nonequilibrium solvers were utilized. The analysis revealed that flow separation and ...
    Verlag: American Society of Civil Engineers

    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

    New Data Reduction Equation for Diamond Slug Calorimeter Heat Transfer Gauges

    Frankel, J. I. / Geraets, Rowland T. Penty / McGilvray, M. et al. | AIAA | 2020
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Vapor Deposition

    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