Volume 41 Issue 5
Sep.  2021
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Article Navigation >  Chinese Journal of Space Science  > 2021  >  41(5): 793-799
SUN Ying, ZHANG Binquan, ZHANG Xiaoxin, ZHANG Xin, ZHANG Shenyi, SHEN Guohong, CHANG Zheng, WANG Chunqin, SUN Yueqiang, ZONG Weiguo, GUO Jianguang, XUE Bingsen, ZHANG Liguo, CHEN Qiang, ZHANG Ruyi. Design Spaceborne of Radiation Dosimeter in Depth[J]. Chinese Journal of Space Science, 2021, 41(5): 793-799. doi: 10.11728/cjss2021.05.793
Citation: SUN Ying, ZHANG Binquan, ZHANG Xiaoxin, ZHANG Xin, ZHANG Shenyi, SHEN Guohong, CHANG Zheng, WANG Chunqin, SUN Yueqiang, ZONG Weiguo, GUO Jianguang, XUE Bingsen, ZHANG Liguo, CHEN Qiang, ZHANG Ruyi. Design Spaceborne of Radiation Dosimeter in Depth[J]. Chinese Journal of Space Science, 2021, 41(5): 793-799. doi: 10.11728/cjss2021.05.793
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Design Spaceborne of Radiation Dosimeter in Depth

doi: 10.11728/cjss2021.05.793 cstr: 32142.14.cjss2021.05.793

  • 1. National Space Science Center, Chinese Academy of Sciences, Beijing 100190;

  • 2. Beijing Key Laboratory of Space Environment Exploration, Beijing 100190;

  • 3. Key Laboratory of Science and Technology on Space Environment Situational Awareness, Chinese Academy of Sciences, Beijing 100190;

  • 4. National Satellite Meteorological Center, Beijing 100081;

  • 5. Shanghai Institute of Satellite Engineering, Shanghai 201109

  • Received Date: 2020-04-23
  • Rev Recd Date: 2020-12-24
  • Publish Date: 2021-09-15
    Abstract
  • In view of the radiation dose effect of space charged particles on spacecraft in orbit, which leads to performance degradation and life decline of onboard equipment and aerospace materials, a multi-point and multi-directional total radiation dose detection technology in satellite is proposed. The scheme of dose monitoring in depth is adopted for the first time in China. Each probe is equipped with five dose monitoring points, corresponding to the aluminum structure with shielding thickness of 0 (open window), 1mm, 2.5mm, 3.5mm and 6mm. The total detection dose range is 2×106rad (Si), and the highest sensitivity is 1rad (Si). The on-board radiation dosimeter in depth will carry out real-time monitoring and early warning of the radiation dose suffered by the satellite in orbit. The detection results will be used to carry out the research on the depth distribution of the dose in the satellite, which is conducive to the analysis and evaluation of the working state of the satellite load in orbit, and provide a reliable basis for the follow-up anti-radiation hardening design of the satellite.

     

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