Multi-fidelity modeling framework for radiative transfer in hypersonic atmospheric entry

SM Jo, S Kumar, V Le Maout, A Munafò… - AIAA Scitech 2023 …, 2023‏ - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1730. vid This work aims to
construct a multi-fidelity modeling framework for radiative transfer in hypersonic environment …

Ares: A coupling methodology for ablation modeling

O Schroeder, J Brock, JC Schulz… - AIAA SCITECH 2024 …, 2024‏ - arc.aiaa.org
A multi-physics framework was developed to enable modeling of complex and coupled
ablation problems. A methodology for modeling shape change in coupled systems is …

Numerical study on the non-equilibrium characteristics of high-speed atmospheric re-entry flow and radiation of aircraft based on fully coupled model

Y Du, S Sun, M Tan, H Huang, C Yan… - Journal of Fluid …, 2023‏ - cambridge.org
The strong coupling interactions of non-equilibrium flow, microscopic particle collisions and
radiative transitions within the shock layer of hypersonic atmospheric re-entry vehicles …

Vibrational excitation cross sections for non-equilibrium nitric oxide-containing plasma

V Laporta, L Vialetto, V Guerra - Plasma Sources Science and …, 2022‏ - iopscience.iop.org
A full set of vibrationally-resolved cross sections for electron impact excitation of NO (X 2 Π,
v) molecules is calculated from ab initio molecular dynamics, in the framework of the local …

On Computationally Efficient Radiative Transfer Calculations for Three-dimensional Entry Problems

A Sahai, CO Johnston - AIAA SCITECH 2023 Forum, 2023‏ - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-0204. vid The current work
presents an efficient simulation framework for rigorously modeling radiative fields emanating …

Statistical Narrow Band model for vibrational nonequilibrium CO2 radiation

G Janodet, P Rivière, JM Lamet, V Rialland… - Journal of Quantitative …, 2024‏ - Elsevier
This paper presents the development of a Statistical Narrow Band (SNB) model for CO 2 in a
nonequilibrium vibrational state. The population densities of the energy levels are modeled …

New Developments in NASA's Entry Systems Modeling Project

AM Brandis, M Barnhardt, TK West… - AIAA SCITECH 2023 …, 2023‏ - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1333. vid This paper describes
recent developments for modeling entry, descent, and landing (EDL) of spacecraft in support …

One Dimensional Modelling and Sensitivity Analysis for the ACT-II Facility

M Kuppa, P Rostkowski, T Lee, R Ghanem… - AIAA AVIATION 2022 …, 2022‏ - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3502. vid This work presents a
detailed analysis of the chemical and thermal non-equilibrium phenomena in high enthalpy …

Radiative Heat Transfer in Thermal Protection Systems using a One-Way Coupled Fluid-Solid Framework

PR Sirmalla, SM Jo, R Chiodi, A Munafò… - AIAA SCITECH 2023 …, 2023‏ - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-2715. vid The present work is
focused on performing an accurate simulation of the material response of Thermal …

The Finite-Element with Discontiguous-Support Method

AT Till, ML Adams, JE Morel - Nuclear Science and Engineering, 2022‏ - Taylor & Francis
Energy discretization of the transport equation is difficult due to numerous strong, narrow
cross-section (XS) resonances. The standard traditional multigroup (MG) method can be …