1–20 von 622 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

    Chemical Kinetics and Thermal Properties of Ablator Pyrolysis Products During Atmospheric Entry

    Gosma, Mitchell R. / Harper, Caleb N. / Collins, Lincoln N. et al. | AIAA | 2024
    a simulated network of perfectly stirred reactors (PSRs) in the chemical solver Cantera. A high-fidelity combustion mechanism computed the ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Heterogeneous Chemical Kinetics

    Direct Validation of Approximate Models for Molecular Vibrational Transition

    Matsukawa, Yutaka | AIAA | 2024
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Vibrational Chemical Kinetics

    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

    Use of Artificial Neural Network to Develop Surrogates for Hydrotreated Vegetable Oil with Experimental Validation in Ignition Quality Tester

    Joshi, Gaurav / Henein, Naeim / Alkhayat, Samy | SAE Technical Papers | 2024
    This article presents surrogate mixtures that simulate the physical and chemical properties in the auto-ignition of ...
    Verlag: Society of Automotive Engineers , SAE International

    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

    Effects of Pre-spark Heat Release of Ethanol-Blended Gasoline Surrogate Fuels on Engine Combustion Behavior

    Kusaka, Jin / Yoshimura, Kei / Isobe, Kohei et al. | SAE Technical Papers | 2023
    mixture caused by its PSHR. Additional simulations examining the chemical effect of partially oxidized reactants caused by ...
    Verlag: Society of Automotive Engineers , SAE International

    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

    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

    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

    Steer Guidance Of Autonomous Agricultural Robot Based On Pure Pursuit Algorithm And LiDAR Based Vector Field Histogram

    Freier Zugriff
    Rai Bijay / Matsa Amarendra / Datta Asim | DOAJ | 2023
    The application of autonomous robots has been increasing in agriculture sector to substitute human labour and to improve the production ...
    Schlagwörter: Chemical engineering

    Real-Time Simulation of CNG Engine and After-Treatment System Cold Start Part 1: Transient Engine-Out Emission Prediction Using a Stochastic Reactor Model

    Mauss, Fabian / Rottengruber, Hermann / Oder, Johannes et al. | SAE Technical Papers | 2023
    and tabulated chemistry. The tabulated chemistry approach allows to account for the physical and chemical properties of natural gas fuels in ...
    Verlag: Society of Automotive Engineers , SAE International

    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

    Hybrid Electric Vehicle Engine Operation and Engine Oil Degradation: A Research Approach

    Joedicke, Arndt / Growney, David / Davies, Mark et al. | SAE Technical Papers | 2023
    drive cycle on the engine oil degradation and contamination. Finally, an analysis of the chemical and physical properties of ...
    Verlag: Society of Automotive Engineers , SAE International

    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