Lunar Soil Erosion Physics for Landing Rockets on the Moon

Details Lunar Soil Erosion Physics for Landing Rockets on the Moon Lunar Soil Erosion Physics for Landing Rockets on the Moon

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aps..marp12013c&link_type=abstract

American Physical Society, APS March Meeting 2010, March 15-19,2010, abstract #P12.013

Physics

Scientific paper

To develop a lunar outpost, we must understand the blowing of soil during launch and landing of the new Altair Lander. For example, the Apollo 12 Lunar Module landed approximately 165 meters from the deactivated Surveyor III spacecraft, scouring its surfaces and creating numerous tiny pits. Based on simulations and video analysis from the Apollo missions, blowing lunar soil particles have velocities up to 2000 m/s at low ejection angles relative to the horizon, reach an apogee higher than the orbiting Command and Service Module, and travel nearly the circumference of the Moon. The low ejection angle and high velocity are concerns for the lunar outpost. As a first step in investigating this concern, we have performed a series of low-velocity impact experiments in a modified sandblasting hood using lunar soil simulant impacted upon various materials that are commonly used in spaceflight hardware. It was seen that considerable damage is inevitable and protective barriers need to be designed.

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