Acta Physica Sinica, Volume. 69, Issue 16, 165203-1(2020)

Surface charging effect of the satellite SMILE

Liang-Liang Xu1, Ming-Hui Cai1,2、*, Tao Yang1, and Jian-Wei Han1,2
Author Affiliations
  • 1National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    Figures & Tables(7)
    The model of SMILE. The red, green and blue axes are in the x, y, z direction, respectively.
    Average surface potential on node 4 on the eclipse: (a) The magnetic tail lobes plasma; (b) the solar wind plasma; (c) the GEO worst case plasma.
    Surface current on node 4 on the eclipse; (a) The magnetic tail lobes plasma; (b) the solar wind plasma; (c) the GEO worst case plasma.
    Average surface potential on node 4 under sun illumination: (a) The magnetic tail lobes plasma; (b) the solar wind plasma; (c) the GEO worst case plasma.
    Surface current on node 4 under sun illumination: (a) The magnetic tail lobes plasma; (b) the solar wind plasma; (c) the GEO worst case plasma.
    • Table 1.

      Design of nodes, surface materials and circuits of SMILE model.

      SMILE卫星模型电路节点、表面材料及电路设置

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      Table 1.

      Design of nodes, surface materials and circuits of SMILE model.

      SMILE卫星模型电路节点、表面材料及电路设置

      航天器部件电路节点表面 材料 电路 设置/Ω
      载荷仓(底面)0ITO
      载荷仓1—5ITO20000
      伸杆天线6KAPT20000
      推进器7—10ITO20000
      太阳电池下表面11, 12CFRP37500
      太阳电池上表面13, 14ITO20000
      +X面测控天线顶端15, 17PCBZ20000
      +X面测控天线底端16, 18ITO20000
      星敏19—21ITO20000
      推进舱+X面探测器22AL20000
      推进舱-X面探测器23AL20000
      散热板对内面24, 26, 28ITO20000
      散热板对外面25, 27, 29PCBZ20000
      -X面测控天线30, 31PCBZ20000
      LIA安装面、测量面32, 34, 36, 38AL20000
      LIA对外面33, 37PCBZ20000
      LIA靠星体面35, 39ITO20000
      探测器镜头40—42ITO20000
    • Table 2.

      Parameters of various plasma environment.

      等离子体环境参数

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      Table 2.

      Parameters of various plasma environment.

      等离子体环境参数

      等离子体环境离子密度电子密度离子温度电子温度
      cm–3cm–3eVeV
      磁尾瓣0.10.1540180
      太阳风8.78.71210
      GEO极端恶劣成分10.60.220004000
      成分21.31.22800027500
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    Liang-Liang Xu, Ming-Hui Cai, Tao Yang, Jian-Wei Han. Surface charging effect of the satellite SMILE[J]. Acta Physica Sinica, 2020, 69(16): 165203-1

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    Paper Information

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    Received: Jan. 7, 2020

    Accepted: --

    Published Online: Jan. 4, 2021

    The Author Email:

    DOI:10.7498/aps.69.20200044

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