It’s Time to Figure Out How to Land Large Spacecraft Safely on Other Worlds - by ET_Exists
, which is slated to land on the lunar surface sometime in 2025. As Armstrong and Aldrin experienced during the Apollo 11 landing, brownout can significantly hinder a pilot’s visibility.
For the study, the researchers used computer models to simulate landing on the lunar surface and input data about the rocket, rocket engines, surface topography and composition, all in a near-vacuum. The simulation estimated the size and shape of the exhaust plume and the amount of brownout a pilot would see while descending towards the surface in their spacecraft.
In the end, the model showed the researchers that brownout effect for both ascent and descent was greater with small regolith particles as they experienced higher altitudes, whereas larger regolith particles with enlarged“The insights gained from this study of the effects of different parameters on plume-surface interaction can inform the development of more effective and efficient landing technologies,” said Dr. Kim.
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