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http://dx.doi.org/10.12652/Ksce.2019.39.2.0327

An Experimental Study on Air Evacuation from Lunar Soil Mass and Lunar Dust Behavior for Lunar Surface Environment Simulation  

Chung, Taeil (KICT)
Ahn, Hosang (KICT)
Yoo, Yongho (KICT)
Shin, Hyu-Soung (KICT)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.39, no.2, 2019 , pp. 327-333 More about this Journal
Abstract
For sustainable lunar exploration, the most required resources should be procured on site because it takes tremendous cost to transfer the resources from the Earth to the Moon. The technologies required for use of lunar resources refers to In-Situ Resource Utilization (ISRU). As the ISRU technology cannot be verified in the Earth, a lunar surface environment simulator is necessary to be prepared in advance. The Moon has no atmosphere, and the average temperature of the lunar surface reaches to $107^{\circ}C$ during the daytime and $-153^{\circ}C$ at night. The lunar surface is also covered with very fine soils with sharp particles that are electrostatically charged by solar radiation and solar wind. In this research, generation of vacuum environment with lunar soil mass in a chamber and simulation of electrostatically charged soils are taken into consideration. It was successful to make a vacuum environment of a chamber including lunar soils without soil disturbance by controlling evacuation rate of a vacuum chamber. And an experiment procedure for simulating the charged lunar soil was suggested by theoretical consideration in charging phenomena on lunar dust.
Keywords
Lunar environment simulation; Vacuum; Lunar soil; Dust charging;
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Times Cited By KSCI : 1  (Citation Analysis)
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