Chinese Optics, Volume. 17, Issue 1, 187(2024)

Calculation of orbit external heat flow and radiation characteristics of space target

Hong-ru ZHENG1,2, Yan MA1、*, Shuai ZHANG1, Jian-chao WANG2, and You-yang QU2
Author Affiliations
  • 1Beijing Institute of Tracking and Telecommunications Technology, Beijing 100094, China
  • 2Chang Guang Satellite Technology Co. Ltd., Changchun 130000, China
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    Figures & Tables(21)
    Schematic diagram of earth’s infrared radiation and albedo external heat flow
    Comparison of external heat flow of the 800 km sun-synchronous orbit
    Comparison of external heat flow of the geosynchronous orbit
    Computational domain
    External heat flow of +X surface
    External heat flow of −X surface
    External heat flow of +Y surface
    External heat flow of −Y surface
    External heat flow of +Z surface
    External heat flow of −Z surface
    Schematic diagram of external heat flow distribution and occluding effects
    Temperature of each surface in the earth-pointing mode
    Temperature of each surface in the sun-pointing mode
    Temperature comparison of solar panel
    Radiation intensity in each direction in the earth-pointing mode (3~5 μm)
    Radiation intensity in each direction in the sun-pointing mode (3~5 μm)
    Radiation intensity in each direction in the earth-pointing mode (8~14 μm)
    Radiation intensity in each direction in the sun-pointing mode (8~14 μm)
    • Table 1. Thermal parameters of surface material

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      Table 1. Thermal parameters of surface material

      表面材料吸收率发射率
      本体氟460.350.68
      太阳帆板电池片0.820.81
      背板0.880.86
    • Table 2. Comparison of earth infrared angular coefficients varying with plate pitch angle at typical positions

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      Table 2. Comparison of earth infrared angular coefficients varying with plate pitch angle at typical positions

      $\beta $/(°)本文结果Ref [16]结果
      00.91290.9118
      300.79610.7961
      600.56730.5639
      900.31390.3125
      1200.11070.1100
      1500.00810.0077
      1800.00000.0000
    • Table 3. Average external heat fluxes of each surface in one orbital period W/m2

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      Table 3. Average external heat fluxes of each surface in one orbital period W/m2

      SurfaceMode 1Mode2
      +X390.5187.92
      X373.86116.75
      +Y89.96100.83
      Y408.43120.34
      +Z346.37148.28
      Z399.60972.33
      +Y+Z solar panel342.52148.17
      +YZ solar panel367.55972.22
      Y+Z solar panel346.43148.29
      YZ solar panel399.60972.23
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    Hong-ru ZHENG, Yan MA, Shuai ZHANG, Jian-chao WANG, You-yang QU. Calculation of orbit external heat flow and radiation characteristics of space target[J]. Chinese Optics, 2024, 17(1): 187

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    Paper Information

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    Received: Feb. 18, 2023

    Accepted: May. 19, 2023

    Published Online: Mar. 28, 2024

    The Author Email:

    DOI:10.37188/CO.2023-0033

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