Statistics – Applications
Scientific paper
Jan 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aipc..654.1018s&link_type=abstract
SPACE TECHNOLOGY AND APPLICATIONS INT.FORUM-STAIF 2003: Conf.on Thermophysics in Microgravity; Commercial/Civil Next Generation
Statistics
Applications
Artificial Earth Satellites, Spaceborne And Space Research Instruments, Apparatus, And Components, Background Radiations
Scientific paper
Two approximate calculation models for a cosmic radiation shielding in LEO satellites were proposed. They are a sectoring method and a chord-length distribution method. In order to simulate cosmic radiation environments, IGRF model and AP(E)-8 model were used. When an approximate method was applied in this study, complex structure of satellite was described into multiple 1-dimensional slabs, and the pre-calculated dose-depth conversion function was introduced to simplify the calculation process. Verification calculation was performed for orbit location and structure geometry of KITSAT-1 and compared with detailed 3-dimensional calculation results and experimental values. The calculation results from approximate method were estimated conservatively with acceptable error. However, results for satellite mission simulation were underestimated in total dose rate compared with experimental values.
Kim Myung-Hyun
Shin Myung-Won
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