[HTML][HTML] High fidelity modeling of thermal relaxation and dissociation of oxygen
DA Andrienko, ID Boyd - Physics of Fluids, 2015 - pubs.aip.org
A master equation study of vibrational relaxation and dissociation of oxygen is conducted
using state-specific O 2–O transition rates, generated by extensive trajectory simulations …
using state-specific O 2–O transition rates, generated by extensive trajectory simulations …
Vibrational-Specific Model of Simultaneous and Relaxation Under Postshock Conditions
AJ Fangman, DA Andrienko - Journal of Thermophysics and Heat …, 2022 - arc.aiaa.org
The present paper discusses the development of an aerothermochemistry model that can be
efficiently coupled with fluid dynamics simulations and retains the accuracy of the quantum …
efficiently coupled with fluid dynamics simulations and retains the accuracy of the quantum …
Assessment of vibration–dissociation coupling models for hypersonic nonequilibrium simulations
J Hao, J Wang, C Lee - Aerospace Science and Technology, 2017 - Elsevier
The fidelity of three widely-used two-temperature vibration–dissociation coupling models,
including the Park model (1988), the Macheret–Fridman model (1994), and the coupled …
including the Park model (1988), the Macheret–Fridman model (1994), and the coupled …
State-specific simulation of oxygen vibrational excitation and dissociation behind a normal shock
J Hao, J Wang, C Lee - Chemical Physics Letters, 2017 - Elsevier
A complete vibration–vibration–translation (V–V–T) bound–bound transitions rates database
for O 2–O 2 collisions is generated using the forced harmonic oscillator (FHO) model with …
for O 2–O 2 collisions is generated using the forced harmonic oscillator (FHO) model with …
Numerical investigation of oxygen thermochemical nonequilibrium on high-enthalpy double-cone flows
Hypersonic thermochemical nonequilibrium flows over a double-cone configuration are
numerically investigated. Simulations with oxygen as the test gas are performed using …
numerically investigated. Simulations with oxygen as the test gas are performed using …
Uncertainty quantification in state-specific modeling of thermal relaxation and dissociation of oxygen
X Wang, Q Hong, C Yang, Q Sun - AIAA Journal, 2023 - arc.aiaa.org
THE high temperatures in hypersonic flows induce many com-plicated physical and
chemical processes, such as vibrational and electronic energy excitation, dissociation of …
chemical processes, such as vibrational and electronic energy excitation, dissociation of …
Multitemperature Dissociation Rate of Calculated Using Selective Sampling Quasi-Classical Trajectory Analysis
The dissociation rate of nitrogen for the reaction N 2+ N 2→ N 2+ N+ N was calculated as a
function of a translational, vibrational, and rotational temperature, each ranging from 6000 to …
function of a translational, vibrational, and rotational temperature, each ranging from 6000 to …
Comparison of DSMC reaction models with QCT reaction rates for nitrogen
IJ Wysong, SF Gimelshein - AIP Conference Proceedings, 2016 - pubs.aip.org
Four empirical models of chemical reactions extensively used in the direct simulation Monte
Carlo method in the past are analyzed via comparison of temperature and vibrational level …
Carlo method in the past are analyzed via comparison of temperature and vibrational level …
Maximum entropy modeling of oxygen vibrational excitation and dissociation
The vibrational excitation and dissociation of oxygen are modeled using different
approaches with a range of fidelity, including the conventional two-temperature model, the …
approaches with a range of fidelity, including the conventional two-temperature model, the …
Experimental and Computational Assessment of O2 and NO Individual Vibrational States in Reflected Shock Flows
This paper investigates the kinetics of nitric oxide and molecular oxygen under
nonequilibrium conditions observed in the relaxation zone behind an air shock. We focus on …
nonequilibrium conditions observed in the relaxation zone behind an air shock. We focus on …