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Chinese Journal of Space Science ›› 2013, Vol. 33 ›› Issue (6): 672-677.doi: 10.11728/cjss2013.06.672

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Thermal Control Design and Simulation Calculation of the Alpha Particle X-ray Spectrometer

Zhang Jiayu1,2, Wang Huanyu1, Zhang Chengmo1, Yang Jiawei1, Liang Xiaohua1, Gao Min1, Wang Jinzhou1, Cui Xingzhu1, Peng Wenxi1   

  1. 1. Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049;
    2. Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190
  • Received:2013-01-16 Revised:2013-07-01 Online:2013-11-25 Published:2013-11-14

Abstract:

The APXS (Alpha Particle X-ray Spectrometer) is installed on the outside of the Lunar Rover, so that the lunar rocks and soil can be studied by the mobility of the Rover and flexibility of the robotic arm. Because of being exposed outside the rover, APXS will have great impact by the complex outer heat flux. In view of this, a reasonable thermal design is necessary for APXS to ensure that the APXS detector and electronic devices operate within the temperature range of its allowance. In this paper, the thermal control designs of APXS and the thermal simulation calculation results based on its thermal control designs are summarized. And the calculation results have been validated by corresponding thermal balance tests.

Key words: Alpha Particle X-ray Spectrometer (APXS), Outer heat flux, Working temperature, Thermal control design, Thermal simulation calculation

CLC Number: