Eilmer: an open-source multi-physics hypersonic flow solver

NN Gibbons, KA Damm, PA Jacobs… - Computer Physics …, 2023 - Elsevier
This paper introduces Eilmer, a general-purpose open-source compressible flow solver
developed at the University of Queensland, designed to support research calculations in …

Kinetic and continuum modeling of high-temperature air relaxation

SF Gimelshein, IJ Wysong, AJ Fangman… - … of Thermophysics and …, 2022 - arc.aiaa.org
Fully kinetic, vibrationally kinetic, and continuum solvers with varying model fidelity are used
in this work to model the high-temperature relaxation of air in 7230 and 15,000 K adiabatic …

On the influence of non equilibrium in the free stream conditions of high enthalpy oxygen flows around a double-cone

D Ninni, F Bonelli, G Colonna, G Pascazio - Acta Astronautica, 2022 - Elsevier
This work presents a detailed analysis of the shock wave/boundary layer interaction in
hypersonic flows around a double-cone. Numerical simulations have been carried out by …

Simulation of oxygen chemical kinetics behind incident and reflected shocks via master equation

VT Baluckram, AJ Fangman… - Journal of Thermophysics …, 2023 - arc.aiaa.org
A model for simulating postshock conditions using only state-resolved kinetic data of ab
initio accuracy is presented. The quasi-classical trajectory method is used to compute a …

High-fidelity state-to-state modeling of hypersonic flow over a double cone

X Wang, J Guo, Q Hong, S Li - Physics of Fluids, 2023 - pubs.aip.org
The state-of-the-art high-fidelity state-to-state (StS) model is performed to investigate the
hypersonic shock wave/laminar boundary layer interaction over a 25–55 double cone. This …

Influence of thermochemical nonequilibrium on expansion tube air test conditions: A numerical study

S Gu, J Hao, Q Wang, CY Wen - Physics of Fluids, 2023 - pubs.aip.org
Using a Lagrangian solver, thermochemical nonequilibrium simulations are performed for
the entire range of practical operating conditions of expansion tubes to isolate the influence …

Calibrating hypersonic turbulence flow models with the HIFiRE-1 experiment using data-driven machine-learned models

K Chowdhary, C Hoang, K Lee, J Ray, VG Weirs… - Computer Methods in …, 2022 - Elsevier
In this paper we study the efficacy of combining machine-learning methods with projection-
based model reduction techniques for creating data-driven surrogate models of …

Near-continuum, hypersonic oxygen flow over a double cone simulated by direct simulation Monte Carlo informed from quantum chemistry

P Valentini, MS Grover, AM Verhoff… - Journal of Fluid …, 2023 - cambridge.org
A large-scale, fully resolved direct simulation Monte Carlo (DSMC) computation of a non-
equilibrium, reactive flow of pure oxygen over a double cone is presented. Under the …

Assessment of hypersonic double-cone experiments for validation of thermochemistry models

ME Holloway, RS Chaudhry, ID Boyd - Journal of Spacecraft and …, 2022 - arc.aiaa.org
The effect of thermochemical kinetics modeling on hypersonic flow over a double-cone
geometry is investigated. The double-cone is simulated using three different approaches …

Kinetic and continuum modeling of high-temperature oxygen and nitrogen binary mixtures

SF Gimelshein, IJ Wysong, AJ Fangman… - … of Thermophysics and …, 2022 - arc.aiaa.org
The present paper provides a comprehensive comparative analysis of thermochemistry
models of various fidelity levels developed in leading research groups around the world …