Modeling Heatshield Erosion due to Dust Particle Impacts for a Martian Entry Vehicle

Palmer, G E ; Ching, E ; Ihme, M ; Kerkhoff, D ; Guelhan, A

关键词: EROSION;    DUST;    HEAT SHIELDING;    MARS ATMOSPHERE;    MARS SURFACE;    PARTICLE TRAJECTORIES;    SHOCK LAYERS;    APPROXIMATION;    OBSERVATION;   

RP-ID  :  ARC-E-DAA-TN65571

学科分类：天文学(综合)

美国|英语

来源: NASA Technical Reports Server

【 摘 要 】

New surface damage models are presented that predict the heat shield erosion due to dust particle impact when a spacecraft enters the Martian atmosphere. Existing models were based on Apollo-era experimental data and approximate methods for tracking the dust particle trajectories through the shock layer. These legacy methods will be compared against new results based on more sophisticated particle tracking methods and recent experimental data.