Key Problems and Solutions for Evaluation of Space Radiation Effects of Reusable Spacecraft
Received:July 18, 2019  Revised:September 11, 2019
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DOI:10.7643/issn.1672-9242.2020.03.004
KeyWord:reusable  space radiation environment  total ionization dose  single particle
     
AuthorInstitution
HAN Jin-peng China Academy of Launch Vehicle Technology, Beijing , China
GAO Zhu-xiu China Academy of Launch Vehicle Technology, Beijing , China
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Abstract:
      Reusable spacecraft and its application requirements were introduced. The space radiation environment encountered by the reusable spacecraft and the effects were analyzed. The problems of space radiation effect evaluation of reusable spacecraft existing in the research and engineering of annealing effect of components, ground simulation test facilities and evaluation technology, ground inspection, maintenance and evaluation, radiation resistance design specifications were discussed and the solutions thereto were proposed, such as an in-depth research was carried out on the mechanism of space environmental effect and annealing effect of components and the index and evaluation system suitable for the reusable spacecraft was given; a multi-functional ground simulation test device for integrated environmental effects was built, the research on the mechanism of multi-factor environmental synergistic effect was strengthened, and a test method for spatial multi-factor environmental synergistic effect was established; the multi-factor synergistic effects of space environment were simulated and the in-depth research on radiation effect prediction methods of reusable spacecraft was conducted.
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