Computer Science – Performance
Scientific paper
Jan 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000neas.work...24k&link_type=abstract
Near-Earth Asteroid Sample Return Workshop, p. 24
Computer Science
Performance
Penetrometers, Sampling, Drill Bits, Breadboard Models, Performance Tests, Planetary Surfaces, Environment Simulation
Scientific paper
The development of drill bits and the breadboard model of a small sample acquisition and distribution tool (SSA/DT) for asteroidal, cometary, Lunar, or even Martian application as result of an ESA technology-study, is presented. The final tests were performed under normal and space simulated environmental conditions with simulated cometary, Lunar, or even Martian sample material. The presentation will also deal with the "'mobile penetrometer' (Mole), a small cylindrical body, for deeper sub-surface investigation. This penetrometer, 2 cm in diameter and around 32 cm in length was also developed for space mission applications. The intrusion of this penetrometer into cometary analogous ice was successfully tested at liquid nitrogen temperature (77 K) and vacuum in the Planetary Simulation Facility of DLR Koln. In a follow-on-development phase after completion of the ESA-study different alternative sampling concepts have been investigated.
Assanelli S.
Brighenti Alberto
Hamacher Hans
Hirschmann L.
Kochan Hermann
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