Abstract:Extraterrestrial landing often requires firing a high-speed plume towards a planetary surface, and the resulting gas–granular interactions pose potential hazards to the lander. To investigate these jet-induced cratering dynamics, an experiment campaign covering a range of gas and granular properties relevant to the lunar and Martian environments was conducted in a large-scale vacuum chamber. Despite the variations in jet Mach number, mass flow rate, and composition of the granular phase investigated in this wo… Show more
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