Toward physically realistic ablation modeling in direct simulation Monte Carlo

AYK Hong, MA Gallis, SG Moore, SJ Plimpton - Physics of Fluids, 2024 - pubs.aip.org
The ablation of solid objects embedded in hypersonic flows can be simulated via the direct
simulation Monte Carlo method. However, current ablation algorithms can suffer from …

Microscale Thermal–Structural Modeling for Carbon Fibers Subjected to a Hypersonic Boundary Layer

R Fu, A Martin, S Ramjatan, M Kroells… - Journal of Spacecraft …, 2024 - arc.aiaa.org
With regard to the thermal protection system, the thermal–structural responses of modern
ablative materials are of primary importance in many aspects, including material selection …

Microstructure and Oxidation Behavior of Fibers and Binders in Charring Ablators

S Chen, V Arias, K Stephani, F Panerai… - AIAA AVIATION 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-3615. vid This work investigates
the microstructure and oxidation response of finders and binder to better understand the …

Air-carbon ablation resulting from boundary layer flow over resolved material microstructure

S Ramjatan, J Douglas… - AIAA AVIATION 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-3326. vid This paper presents
ongoing research aimed at predicting the heat flux, shear stress, and reactive species flux …

Effect of blowing mass flux on porous mesostructure surface properties for hypersonic ablation

S Ramjatan, MD Kroells… - AIAA SCITECH 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1644. vid Exploration spacecraft
require thermal protection systems (TPS) in order to survive hypersonic entry into an …