"EGM" (Electrostatics of Granular Matter): A Space Station Experiment to Examine Natural Particulate Systems

Details "EGM" (Electrostatics of Granular Matter): A Space Station Experiment to Examine Natural Particulate Systems "EGM" (Electrostatics of Granular Matter): A Space Station Experiment to Examine Natural Particulate Systems

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999smtp.conf...74m&link_type=abstract

Studies of Mineralogical and Textural Properties of Martian Soil: An Exobiological Perspective, p. 74

Mathematics

Logic

Dust, Electrostatics, Granular Materials, Particulates, Spaceborne Experiments, Adhesion, Cohesion, Dipole Moments, Particles, Microgravity, Drift Rate, Filaments

Scientific paper

A granular-materials experiment is being developed for a 2002 launch for Space Station deployment. The experiment is funded by NASA HQ and managed through NASA Lewis Research Center. The experiment will examine electrostatic aggregation of coarse granular materials with the goals of (a) obtaining proof for an electrostatic dipole model of grain interactions, and (b) obtaining knowledge about the way aggregation affects the behavior of natural particulate masses: (1) in unconfined dispersions (clouds such as nebulae, aeolian dust palls, volcanic plumes), (2) in semi-confined, self-loaded masses as in fluidized flows (pyroclastic surges, avalanches) and compacted regolith, or (3) in semi-confined non-loaded masses as in dust layers adhering to solar cells or space suits on Mars. The experiment addresses both planetary/astrophysical issues as well as practical concerns for human exploration of Mars or other solar system bodies. Additional information is contained in the original.

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