Physics
Scientific paper
Nov 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991sca..book...36b&link_type=abstract
In its Space Construction Activities p 36-37 (SEE N93-29108 11-18)
Physics
Densification, Lunar Rocks, Penetration, Regolith, Space Environment Simulation, Test Equipment, Centrifuges, Cutters, Pulleys
Scientific paper
An apparatus was designed and built for conducting simulation experiments on cutting tool penetration in the centrifuge. This equipment is mounted on the laminar container which is used for the regolith densification study, so that the end product of the latter, i.e., a regolith bed with the proper density profile, can be used directly for the penetration tests. In this apparatus, an etching tool is suspended through a pulley system by the action of a double acting air cylinder. By adjusting the air pressure acting on each side of the cylinder, the net downward force acting on the tool can be controlled. The penetration of the tool is measured by an LVDT. This apparatus was proof-tested in the centrifuge and is ready for use in conjunction with the regolith densification experiments.
Barnes Frank
Sture Stein
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