Permeability of JSC-1A: A lunar soil simulant

Details Permeability of JSC-1A: A lunar soil simulant Permeability of JSC-1A: A lunar soil simulant

Mar 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011icar..212..383l&link_type=abstract

Icarus, Volume 212, Issue 1, p. 383-389.

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Scientific paper

The permeability of lunar soil simulant, JSC-1A, is measured over a range of bulk densities from 1550 to 2000 kg m-3. The corresponding viscous flow permeability is 1 × 10-12 m2 to 6.1 × 10-12 m2 for this bulk density range. Implications of these values on the contamination of regolith by rockets, on barrier/enhancement to bulk flow of ice, and on cratering are discussed. Although the particle size and shape distribution of the JSC-1A are extremely wide, the permeability measurements agree surprisingly well with the Carman-Kozeny equation. The results provide evidence that the Carman-Kozeny model could be applicable to other naturally occurring soils if effective soil properties are considered.

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