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羽流污染對某型號衛(wèi)星熱控涂層的影響分析

Analysis of plume contamination effects on the thermal control coatings of a satellite

  • 摘要: 文章以某衛(wèi)星熱控涂層的污染研究為目的，針對20 N軌控推力器，在推力器羽流流場模擬的基礎(chǔ)上，結(jié)合污染沉積過程模擬，計算獲得了衛(wèi)星在軌運行期間熱控涂層表面的污染沉積膜的厚度，分析了熱控涂層太陽吸收率的退化情況。

     

    Abstract: This paper analyzes the plume contamination of the 20 N orbit control thruster of a satellite on its thermal control coatings. Based on the simulation of the thruster plume field and the deposition process, the thickness of molecular deposition on S781 and OSR coatings is calculated in different orbital operation periods and the solar absorptance degradation is evaluated for the thermal control coatings.

     

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