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9 September 2014 Experimental measurement of the reflection behavior of contaminant molecules
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JAXA is developing a contamination analysis tool “J-SPICE” (Japanese Spacecraft Induced Contamination analysis software). Generally speaking, contamination analysis tools predict based on various input data and mathematical models of contaminant behavior, which means prediction accuracy depends on the validity of mathematical models as well as of input data. We investigated the validity of a diffuse reflection model applied in J-SPICE by comparing the reflection flux of contaminant molecules measured by the ground experiment and the analytical result of the J-SPICE. The result showed that the diffuse reflection model of J-SPICE reasonably explains molecule distribution reflected by a flat surface.
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Susumu Baba, Eiji Miyazaki, Yuka Miura, Riyo Yamanaka, Osamu Numata, Junichiro Ishizawa, Yugo Kimoto, and Takashi Tamura "Experimental measurement of the reflection behavior of contaminant molecules", Proc. SPIE 9196, Systems Contamination: Prediction, Measurement, and Control 2014, 919605 (9 September 2014);

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