Computer Science – Performance
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.2423r&link_type=abstract
American Astronomical Society, DPS meeting #39, #24.23; Bulletin of the American Astronomical Society, Vol. 39, p.458
Computer Science
Performance
Scientific paper
The atmospheric environment has a profound effect on the performance of the Mars Science Laboratory (MSL) spacecraft during entry, descent and landing (EDL). As was done for the Mars Exploration Rovers, atmospheric models are being used to provide guidance on the range of conditions expected at potential landing sites identified by the Mars community as "high priority". Results from the NASA Ames Mars GCM and the Mars Regional Atmospheric Modeling System are presented. The GCM results indicate broad regions of Mars may be outside of the performance capabilities of the MSL entry system, including most of the southern hemisphere mid- and high-latitudes. Mesoscale (MRAMS) simulations further reveal that the many of the landing sites are dominated by regional and local scale effects, and each potential site must, therefore, be examined on a case by case basis in order to establish the atmospheric impact on EDL. However, some general patterns are emerging from the suite of simulations conducted to date, and these can be used as a first order estimate of the atmospheric environment at any given location.
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