Thermo-chemical-structural modeling of carbon fiber pitting and failure mechanism

R Fu, S Schmitt, A Martin - AIAA SCITECH 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1282. vid The ultra-high
temperature environment leads to surface oxidation of the carbon fiber, which could create …

Aerothermal Loads on a Representative Porous Mesostructure at Flight Conditions Using Direct Simulation Monte Carlo

M Kroells, S Ramjatan… - Journal of Thermophysics …, 2024 - arc.aiaa.org
Spacecraft require thermal protection systems (TPS) in order to survive the extreme
conditions present during atmospheric entry missions. Porous ablators are a class of TPS …

Dsmc simulation of ablating microstructures at flight relevant conditions

S Ramjatan, MD Kroells… - AIAA Scitech 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-1052. vid The oxidation of carbon-
based ablative thermal protection systems is affected by the diffusion of gas from 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 …

Mechanical Erosion Modeling of TPS Materials

SF Izquierdo, JBE Meurisse, GB Chatzigeorgis… - AIAA SciTech …, 2023 - ntrs.nasa.gov
This work describes the development of a model that accounts for the additional surface
recession in Thermal Protection Systems (TPS) materials as a result of mechanical erosion …