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郑鸿儒, 马岩, 张帅, 王建超, 曲友阳

郑鸿儒, 马岩, 张帅, 王建超, 曲友阳. 365赌球app下载中心[J]. 365赌球. doi: 10.37188/CO.2023-0033
引用本文: 郑鸿儒, 马岩, 张帅, 王建超, 曲友阳. 365赌球app下载中心[J]. 365赌球. doi: 10.37188/CO.2023-0033
ZHENG Hong-ru, MA Yan, ZHANG Shuai, WANG Jian-chao, QU You-yang. 365赌球注册开户[J]. Chinese Optics. doi: 10.37188/CO.2023-0033
Citation: ZHENG Hong-ru, MA Yan, ZHANG Shuai, WANG Jian-chao, QU You-yang. 365赌球注册开户[J]. Chinese Optics. doi: 10.37188/CO.2023-0033

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doi: 10.37188/CO.2023-0033
  • 1.

    北京跟踪与通信技术研究所, 北京 100094

  • 2.

    长光卫星技术股份有限公司, 吉林 长春 130000

基金项目:国家自然科学基金重大项目重点课题（No. 61890965）
详细信息
    作者简介:

    郑鸿儒（1992—），男，吉林长春人，博士，助理研究员。主要从事卫星姿态与轨道控制、电推进羽流效应等方面的研究。E-mail：[email protected]

    马　岩（1977—），男，山东单县人，硕士，研究员。主要从事光电信息处理预分析等方面的研究。E-mail：[email protected]

    张　帅（1992—），男，山西吕梁人，博士，助理研究员。研究方向为目标特征提取与识别、光电信息处理。E-mail： [email protected]

    王建超（1993—），男，吉林长春人，硕士，工程师。主要从事卫星热控设计、航天器热控制等方面的研究。E-mail：[email protected]

    曲友阳（1992—），男，内蒙古赤峰人，博士研究生，工程师。主要从事光学遥感卫星姿态确定与控制方面的研究。E-mail：[email protected]

  • 中图分类号:V416.5

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  • 1.

    Beijing Institute of Tracking and Telecommunications Technology, Beijing 100094, China

  • 2.

    Chang Guang Satellite Technology Co. Ltd. Changchun, 130000, China

Funds:Supported by National Natural Science Foundation of China (No. 61890965)
More Information
  • 摘要:

    随着低轨空间资源愈发拥挤，空间态势感知是太空资产正常运行的重要支撑，而光学观测是其重要手段之一。本文针对空间目标受到的太阳辐射、地球辐射、地球反照辐射，采用蒙特卡洛（Monte Carlo）法，基于非结构四面体网格编写了仿真程序，并对计算结果进行了对比验证。进一步地，对太阳同步轨道卫星受到的轨道外热流，采用带帆板的网格进行了有无遮挡情况下各表面受到的轨道外热流分析。结果显示，在对地模式下考虑遮挡后，-Y表面平均热流值降低了53.79 W/m2，+Y-Z侧帆板表面平均热流值降低了32.05 W/m2。结合表面材料属性，给出了各表面的温度特性，并结合帆板温度的在轨遥测数据，验证了计算的准确性。最后，计算了两种模式下各方向的红外辐射强度。结果表明，不同观测模式下各表面受热流影响不同，对地模式下各表面温度随时间变化较大，而对日模式下各表面热流较为稳定。两种模式下，太阳能帆板的温度较高，辐射强度较大，具有明显的红外特征，便于开展红外观测。

    Abstract:

    With the increasingly crowded space resources in low orbit, space situational awareness is an important support for the normal operation of space assets, and optical observation is one of the important means. In this paper, the solar radiation, the earth radiation and the earth albedo radiation received by the space target are simulated by Monte Carlo simulation method, and the simulation program is written based on the unstructured tetrahedral grid, and the calculation results are compared and verified. Furthermore, for the orbit external heat flow received by the sun-synchronous orbit satellite, the grid with solar panels is used to analyze the orbit heat flow received by each surface with or without occlusion. The results show that the average heat flow value of -Y surface decreases by 53.79 W/m2 after considering occlusion in the ground mode. The average surface heat flow value of +Y-Z side panel decreased by 32.05 W/m2. The temperature characteristics of each surface are given based on the properties of surface materials, and the accuracy of the calculation is verified by combining with the on-orbit telemetry data of the solar panel temperature. Finally, the infrared radiation intensity in each direction of the two modes is calculated. The results show that the influence of heat flow on the surface is different under different observation modes. The temperature of the surface varies with time under the earth mode, while the heat flow on the surface is stable under the sun mode. Under the two modes, the temperature of the solar panel is higher, the radiation intensity is larger, and it has obvious infrared characteristics, which is convenient to carry out infrared observation.

    • HTML全文

  • 图 1 地球红外辐射及反照外热流示意图

    Figure 1. Schematic diagram of earth infrared radiation and albedo external heat flow

    图 2 800 km太阳同步轨道外热流对比

    Figure 2. Comparison of external heat flow of the 800 km sun-synchronous orbit

    图 3 地球同步轨道外热流对比

    Figure 3. Comparison of external heat flow of the geosynchronous orbit

    图 4 计算域

    Figure 4. Computational domain

    图 5 +X面外热流曲线

    Figure 5. External heat flow of +X surface

    图 6 −X面外热流曲线

    Figure 6. External heat flow of −X surface

    图 7 +Y面外热流曲线

    Figure 7. External heat flow of +Y surface

    图 8 −Y面外热流曲线

    Figure 8. External heat flow of −Y surface

    图 10 −Z面外热流曲线

    Figure 10. External heat flow of −Z surface

    图 9 +Z面外热流曲线

    Figure 9. External heat flow of +Z surface

    图 11 热流分布及遮挡影响示意图

    Figure 11. Schematic diagram of heat flow distribution and occluding effects

    图 12 对地模式下的各表面温度

    Figure 12. Surface temperature in ground mode

    图 13 对日模式下的各表面温度

    Figure 13. Surface temperature in sun mode

    图 14 太阳帆板温度对比

    Figure 14. Comparison of solar panel temperature

    图 15 对地模式下的各方向辐射强度（3~5 μm）

    Figure 15. Radiation intensity in each direction in the ground mode (3~5 μm)

    图 16 对日模式下的各方向辐射强度（3~5 μm）

    Figure 16. Radiation intensity in each direction in sun mode (3~5 μm)

    图 17 对地模式下的各方向辐射强度（8~14 μm）

    Figure 17. Radiation intensity in each direction in the ground mode (8~14 μm)

    图 18 对日模式下的各方向辐射强度（8~14 μm）

    Figure 18. Radiation intensity in each direction in sun mode (8~14 μm)

    表  1 表面材料热参数[ 15 ]

    Table  1. Thermal parameters of surface material

    Surface Material Absorptivity Emissivity
    Body F46 0.35 0.68
    Solar panel Battery piece 0.82 0.81
    Backboard 0.88 0.86
    下载: 导出CSV

    表  2 典型位置地球红外角系数随平板俯仰角变化对比

    Table  2. Comparison of earth infrared angular coefficient variation with plate pitch angle at typical positions

    $\beta $ This work Ref[ 16 ]
    0 0.9129 0.9118
    30 0.7961 0.7961
    60 0.5673 0.5639
    90 0.3139 0.3125
    120 0.1107 0.1100
    150 0.0081 0.0077
    180 0.0000 0.0000
    下载: 导出CSV

    表  3 各平面一个轨道周期内平均外热流（单位：W/m2）

    Table  3. Average period external heat fluxes of each surface unit: W/m2

    Surface Mode 1 Mode2
    +X 390.51 87.92
    -X 373.86 116.75
    +Y 89.96 100.83
    -Y 408.43 120.34
    +Z 346.37 148.28
    -Z 399.60 972.33
    +Y+Z solar panel 342.52 148.17
    +Y-Z solar panel 367.55 972.22
    -Y+Z solar panel 346.43 148.29
    -Y-Z solar panel 399.60 972.23
    下载: 导出CSV
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  • 收稿日期: 2023-02-18
  • 录用日期: 2023-05-19
  • 网络出版日期: 2023-07-06

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