Future engineering of structures and equipment on the lunar surface requires significant understanding of particle characteristics of the lunar regolith. Nearly all sediment characteristics are influenced by particle shape; therefore a method of quantifying particle shape is useful both in lunar and terrestrial applications. We have created a method to quantify particle shape, specifically for lunar regolith, using image processing. Photomicrographs of thin sections of lunar core material were obtained under reflected light. Three photomicrographs were analyzed using ImageJ and MATLAB. From the image analysis measurements for area, perimeter, Feret diameter, orthogonal Feret diameter, Heywood factor, aspect ratio, sieve diameter, and sieve number were recorded. Probability distribution functions were created from the measurements of Heywood factor and aspect ratio.
Lunar Regolith Particle Shape Analysis
2013 Annual Meeting of the Lunar Exploration Analysis Group ; 2013 ; Laurel, MD, United States
2013-10-14
Miscellaneous
No indication
English
3D SHAPE ANALYSIS OF LUNAR REGOLITH SIMULANTS
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