Maxime LALANDE, Nicolas DELLINGER, Ysolde PREVEREAUD, Nathalie BARTOLI

DOI Number: XXX-YYY-ZZZ

Conference Number: HiSST 2024-00140

Models providing both quick and reliable estimates of thermochemical degradation effects of charring material on the wall heat flux in hypersonic continuum flow regime during re-entry are paramount for design activities. In this work, flight point conditions have been extracted from numerous complete trajectory simulations, which are representative of atmospheric re-entry from Low Earth Orbit (LEO). On the basis of high-fidelity simulations performed on these flight points, a comprehensive study of the influence of various phenomena on the wall heat flux is conducted. Finally, this work is intended to identify the major phenomena to be considered in high-fidelity simulations for the development of a training database, on which surrogate models able to estimate the influence of degradation on the wall heat flux will be developed in the future.

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In Categories: 1.Events, High-Speed Aerodynamics and Aerothermodynamics, HiSST 2024
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