Bounding the risk of crew loss following orbital debris penetration of the international space station at assembly stages 1J and 1E

Details Bounding the risk of crew loss following orbital debris penetration of the international space station at assembly stages 1J and 1E Bounding the risk of crew loss following orbital debris penetration of the international space station at assembly stages 1J and 1E

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004adspr..34.1104e&link_type=abstract

Advances in Space Research, Volume 34, Issue 5, p. 1104-1108.

Mathematics

Probability

Space Debris, International Space Station, Assembly Stages 1J And 1E, Manned Spacecraft Crew Survivability Code

Scientific paper

Orbital debris impacts on the International Space Station occur frequently. To date, none of the impacting particles has been large enough to penetrate manned pressurized volumes. We used the Manned Spacecraft Crew Survivability code to evaluate the risk to crew of penetrations of pressurized modules at two assembly stages: after Flight 1J, when the pressurized elements of Kibo, the Japanese Experiment Module, are present, and after Flight 1E, when the European Columbus Module is present. Our code is a Monte-Carlo simulation of impacts on the Station that considers several potential event types that could lead to crew loss. Among the statistics tabulated by the program is the probability of death of one or more crew members in the event of a penetration, expressed as the risk factor, R. This risk factor is dependent on details of crew operations during both ordinary circumstances and decompression emergencies, as well as on details of internal module configurations. We conducted trade studies considering these procedure and configuration details to determine the bounds on R at the 1J and 1E stages in the assembly sequence. Here we compare the R-factor bounds, and procedures could that reduce R at these stages.

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