ABSTRACT
The Moon's complex environment, including low gravity, vacuum, and extreme temperature fluctuations, as well as the unique physical properties of lunar soil, pose significant challenges for deep sampling of lunar soils. A 3-D model of the moon-soil-drilling interaction has been constructed and the smoothed particle hydrodynamics method in the non-linear finite element analysis software ABAQUS was used to examine the effects of four different drilling speeds (8.37 rad/s, 10.47 rad/s, 12.56 rad/s, and 14.66 rad/s) on the drilling performance. The simulation results indicate that as the rotation speed increases, the efficiency of core extraction from the lunar soil improves and the force load on the drill decreases. At a rotation speed of 12.56 rad/s, the transport effect of the lunar soil particles is optimal.
KEYWORDS
PAPER SUBMITTED: 2024-08-20
PAPER REVISED: 2024-11-08
PAPER ACCEPTED: 2024-11-22
PUBLISHED ONLINE: 2025-06-01
THERMAL SCIENCE YEAR
2025, VOLUME
29, ISSUE
Issue 2, PAGES [1369 - 1374]
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