1–20 von 430 Ergebnissen
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    Effects of Thermal and Chemical Nonequilibrium on Response of Charring Ablative Materials

    Coskun, Volkan / Sert, Cuneyt | AIAA | 2024
    evaluation of thermodynamic/transport properties of pyrolysis gas mixture and chemical kinetics, if necessary. Thermal nonequilibrium between the ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Parametric Study of Transpiration Cooling Using Oxides for Sharp Hypersonic Leading Edges

    Ko, Danny D. / Mannion, Anthony / Zhong, Xiaolin et al. | AIAA | 2024

    Recent escalating interest in the development of highly maneuverable hypersonic vehicles demands sharp leading edges. However, sharp

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Thermochemistry and Chemical Kinetics

    Novel Lightweight Loop Heat Pipe Radiator for High-Power Space Systems

    Li, Zhisong | AIAA | 2024

    High-power space systems reject a large amounts of waste heat via medium- or high-temperature radiators. For this application, the heat

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Thermochemistry and Chemical Kinetics

    Hot Corrosion Damage Modeling in Aeroengines Based on Performance and Flight Mission

    Pontika, Evangelia / Laskaridis, Panagiotis / Nikolaidis, Theoklis et al. | AIAA | 2024

    Hot corrosion is a form of chemical damage that causes surface degradation, sound material loss, and reduced component life. A lifing

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

    Carbon Monoxide Dissociation at Planetary Entry Conditions Examined by Megahertz-Rate Laser Spectroscopy

    Minesi, Nicolas Q. / Lai, Lok H. / Richmond, Miles O. et al. | AIAA | 2024
    –4.07  atm) and compared to state-of-the-art chemical kinetic models. The time ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Two-Temperature Modeling of Nonequilibrium Relaxation and Dissociation in Shock-Heated Oxygen

    Aiken, Timothy T. / Boyd, Iain D. | AIAA | 2023
    measured data from reflected shock tube experiments. A computationally efficient multistep technique is developed to model the unsteady dynamics of ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Thermochemistry and Chemical Kinetics

    Analysis of Shock Deceleration Effects in the NASA Electric Arc Shock Tube

    Collen, Peter L. / Di Mare, Luca / McGilvray, Matthew et al. | AIAA | 2023

    Complex processes related to nonequilibrium thermochemistry and radiation are a fundamental aspect of atmospheric entry flowfields

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Thermochemistry and Chemical Kinetics

    Absolute Measurements of Air Shock-Layer Radiation in the T6 Aluminium Shock Tube

    Collen, Peter L. / Glenn, Alex B. / Doherty, Luke J. et al. | AIAA | 2023

    This paper presents the first experimental measurements of shock-layer radiation from a new high-enthalpy ground-test facility: the T6

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Thermochemistry and Chemical Kinetics

    Effect of Plasma Sheaths on Earth-Entry Magnetohydrodynamics

    Parent, Bernard / Rajendran, Prasanna T. / Macheret, Sergey O. et al. | AIAA | 2023
    point and the aft of a capsule entering the Earth’s atmosphere at Mach 34. The reactions are obtained from the Park chemical solver and the ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Conservation of Momentum Equations

    Computational and Experimental Study of Nonequilibrium Flow in Plasma Wind Tunnel

    Unnikrishnan, Vinay / Yadava, Nandini / Virani, Niral et al. | AIAA | 2023
    Interaction Heating Facility case. Two chemical reaction models were used to compute the nonequilibrium state of air, composed of six species ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Standard Enthalpy of Formation

    High-Temperature Nonequilibrium Air Chemistry from First Principles

    Torres, Erik / Geistfeld, Eric C. / Schwartzentruber, Thomas E. | AIAA | 2023
    coupling of internal energy relaxation to chemical reactions. From DMS we extract the internal energy populations of diatomic species during the ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Thermochemistry and Chemical Kinetics , Vibrational Chemical Kinetics

    Mars2020 Entry Shock Layer Thermochemical Kinetics Examined by Megahertz-Rate Laser Absorption Spectroscopy

    Jelloian, Christopher C. / Minesi, Nicolas Q. / Mitchell Spearrin, R. et al. | AIAA | 2023

    A mid-infrared laser absorption diagnostic was deployed to examine the evolution of thermophysical properties across a simulated

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

    Research on Surface Treatment Coating on Titanium Alloy Based on Laser Cladding Technology

    al Muin, Abdullah / Chand, Dharmahinder Singh / Malhi, Gurmail Singh et al. | SAE Technical Papers | 2023
    material powder is good self-fluxing, has high-temperature resistance, and is analytically pure with 200 mesh. The chemical properties of Ni ...
    Verlag: Society of Automotive Engineers , SAE International

    Natural Convection of Reacting Chemical in Square Enclosure with Circular Cylinder

    Chandra Roy, Nepal / Reddy Gorla, Rama Subba | AIAA | 2022

    Natural convection characteristics of a reacting chemical are presented considering a circular cylinder at different locations in a

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

    Simulation of Oxygen Chemical Kinetics Behind Incident and Reflected Shocks via Master Equation

    Baluckram, Varishth T. / Fangman, Alexander J. / Andrienko, Daniil A. | AIAA | 2022
    nonequilibrium gas. Model validation is made via comparisons to the experiments of Ibraguimova et al. (Journal of Chemical Physics, Vol ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Numerical Research of Spontaneous Condensation of Boron Oxide Vapor in Flat Nozzles

    Savel’ev, Alexander M. / Babushenko, Denis I. / Savelieva, Vera A. et al. | AIAA | 2022
    , condensational growth, coagulation, and gas-phase chemical reactions of molten boron oxide droplets. Numerical research of the spontaneous condensation ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Kinetic and Continuum Modeling of High-Temperature Air Relaxation

    Gimelshein, Sergey F. / Wysong, Ingrid J. / Fangman, Alexander J. et al. | AIAA | 2022
    significant impact of uncertainties in vibrational relaxation times and reaction rate constants on thermal and chemical relaxation, in particular, on ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Nonequilibrium Vibrational Chemical Kinetics , Chemical Equilibrium

    Investigation into Effect of Residence Time on Cooling Characteristics of RP-3

    Zhang, Yifeng / Cao, Yong / Feng, Yu et al. | AIAA | 2022

    Efficient utilization of chemical heat sinks and enhancement of heat transfer are key issues for the thermal protection of advanced

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Thermochemistry and Chemical Kinetics

    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