LDEF experiment M0003 meteoroid and debris survey

Details LDEF experiment M0003 meteoroid and debris survey LDEF experiment M0003 meteoroid and debris survey

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ldef.symp...34m&link_type=abstract

In NASA. Langley Research Center, Second LDEF Post-Retrieval Symposium Abstracts p 34 (SEE N92-27218 18-99)

Computer Science

Hypervelocity Impact, Long Duration Exposure Facility, Meteorite Collisions, Micrometeoroids, Space Debris, Craters, Leading Edges, Photomicrographs, Signal Processing, Trailing Edges

Scientific paper

A survey of the meteoroid and space debris impacts on LDEF experiment M0003 was performed. The purpose was to document impact phenomenology and to obtain impact crater data for comparison to current debris and micrometeoroid models. The survey consists of photomicrographs of significant impacts in a variety of material types, accurate measurements of impact crater coordinates and dimensions for selected experiment surfaces and data basing of the crater data for reduction, manipulation, and comparison models. Large area surfaces which were studied include the experiment power and data system sunshields, environment exposure control canister sunshields, and the M0003 signal conditioning unit covers. Crater diameters down to 25 microns were measured and catalogued. Both leading and trailing edge surfaces were studied and compared. The results shows the different response of materials to hypervelocity impacts. Comparison of the data to curves derived from the Kessler debris model and the Cour-Palais micrometeoroid model indicates a marked tendency for overprediction of small impacts and underprediction of large impacts with there being better agreement for the medium sized impacts. Representative impact data is presented.

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