THERMAL SCIENCE

International Scientific Journal

Kun-Chen He

,

Ming-Zhong Gao

,

Jing Xie

,

Lei Yang

,

Hai-Chun Hao

STUDY ON CUTTING METHOD OF SAMPLING LUNAR SUPERFICIAL SOIL

ABSTRACT
Obtaining in-situ lunar soil samples is fundamental to studying the characteristics of lunar surface resources. A circular cutting sampling method is proposed, and its sampling characteristics are explored by theoretical analysis and numerical simulation. The results indicate that the traditional vertical cutting sampling will cause serious damage to the sequence structure and physical properties of samples. Circular inner blade cutting sampling can avoid the disorder of particle sequence, but the design of the inner blade will force the particles to move to the coring barrel, causing sample disturbance. Compared with vertical and inner-blade cutting method, circular outer blade cutting sampling reduces sample disturbance by 61% and 47.5%, respectively, making it the optimal sampling method. These research findings can provide theoretical and technical support for superficial sampling in deep space.
KEYWORDS
in-situ sampling, resource exploration, lunar soil, circular cutting
PAPER SUBMITTED: 2024-10-05
PAPER REVISED: 2024-11-21
PAPER ACCEPTED: 2024-11-28
PUBLISHED ONLINE: 2025-06-01
DOI REFERENCE: https://doi.org/10.2298/TSCI2502209H
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2025, VOLUME 29, ISSUE Issue 2, PAGES [1209 - 1214]
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Study on cutting method of sampling lunar superficial soil

2025 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence