Model tests on flow slide of lunar regolith simulant

被引：1
作者：
Hu Zheng
Yu Huang
机构：
[1] College of Civil Engineering,Department of Geotechnical Engineering
[2] Tongji University,School of Earth Science and Engineering
[3] Hohai University,Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education
[4] Tongji University,undefined
来源：
Environmental Earth Sciences | 2015年 / 73卷
关键词：
Model test; Lunar regolith simulant; Lunar exploration; Flow configuration; Engineering strain;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A significant fraction of lunar exploration is concerned with the lunar regolith. Over the last three decades, theoretical and experimental effort has been directed towards investigating the mechanical parameters and chemical composition of lunar regolith. However, the properties of lunar regolith flow have received only limited attention, even though there have been reports of lunar avalanches. In this paper, the flow evolution of a lunar regolith simulant at various inclined angles was investigated in a rectangular-shaped flume constructed of Plexiglas. The objective of this paper is to study the flow patterns of lunar regolith simulant by using a fast-shutter-speed (1/140 s) CCD camera (640 × 480 pixels). Configurations of the flow under the action of different chute angles are captured. In addition, the engineering strains of the different chute angles are also calculated. The research results help to investigate the real lunar regolith flow slide to some extent.
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页码：4853 / 4859
页数：6
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