Reflected shock waves in air components and their mixtures: Validation of theoretical models

D Kravchenko, O Kunova, E Kustova, M Melnik - Acta Astronautica, 2024 - Elsevier
Nonequilibrium flows of air components behind reflected shock waves are systematically
studied on the basis of several theoretical models for the rate coefficients of fully coupled …

Two-temperature thermochemical nonequilibrium model based on the coarse-grained treatment of molecular vibrational states

J Lv, Q Hong, X Wang, Y Huang, Q Sun - Physical Review E, 2024 - APS
Although the high-fidelity state-to-state (StS) model accurately describes high-temperature
thermochemical nonequilibrium flows, its practical application is hindered by the …

Experimental and numerical studies on the thermal nonequilibrium behaviors of CO with Ar, He, and H2

D He, Q Hong, F Li, Q Sun, T Si, X Luo - The Journal of Chemical …, 2023 - pubs.aip.org
The time-dependent rotational and vibrational temperatures were measured to study the
shock-heated thermal nonequilibrium behaviors of CO with Ar, He, and H 2 as collision …

State-specific slip boundary conditions in non-equilibrium gas flows: Theoretical models and their assessment

L Shakurova, I Armenise, E Kustova - Physics of Fluids, 2023 - pubs.aip.org
In this study, we develop and assess a new approach to modeling slip boundary conditions
in gas mixtures with coupled state-to-state vibrational-chemical kinetics and surface physical …

State-to-state oxygen kinetics behind reflected shock waves: Assessment of different approaches

D Kravchenko, O Kunova, E Kustova… - AIP Conference …, 2024 - pubs.aip.org
We study the influence of vibrational and chemical relaxation behind the incident shock
wave on the gas parameters behind the reflected wave. The detailed state-to-state approach …

Modeling of state-to-state oxygen kinetics behind reflected shock waves

DS Kravchenko, EV Kustova, MY Melnik - Vestnik St. Petersburg …, 2022 - Springer
In this paper, we study a coupled problem of gas dynamics, vibrational relaxation, and
dissociation in the flow of oxygen behind reflected shock waves. The detailed state-to-state …

Nitric Oxide Emission Spectroscopy of a Cylinder Stagnation Flow in a Shock Tunnel

K Daniel, E Jans, KP Lynch, W Swain… - AIAA SciTech 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1174. vid Spatially-resolved optical
emission spectra of nitric oxide are measured in a hypervelocity flow along the stagnation …

Application of reflected shock wave configuration to validate nonequilibrium models of reacting air

SF Gimelshein, JW Streicher, A Krish… - … of Thermophysics and …, 2023 - arc.aiaa.org
The direct simulation Monte Carlo (DSMC) method is used to model transient thermal and
chemical relaxation behind reflected shock waves in oxygen–argon and air mixtures under …

Investigation of high enthalpy thermochemical nonequilibrium flow over spheres

J Guo, X Wang, S Li - Physics of Fluids, 2024 - pubs.aip.org
The hypersonic high enthalpy nitrogen flows over spheres are investigated by high-fidelity
state-to-state (StS) modeling. The objective of the study is to understand the nonequilibrium …

[HTML][HTML] Моделирование поуровневой кинетики кислорода за отраженными ударными волнами

ДС Кравченко, ЕВ Кустова… - Вестник Санкт …, 2022 - cyberleninka.ru
Исследуется связанная задача газовой динамики, колебательной релаксации и
диссоциации при течении кислорода за отраженными ударными волнами …