中国空间科学技术

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空间用脉冲管制冷机的数值模拟研究

马骏,侯宇葵,巨永林,周远   

  1. 北京航空航天大学宇航学院,中国空间技术研究院,中国科学研究院理化技术研究所低温中心,中国科学研究院理化技术研究所低温中心 北京100083 ,北京100081 ,北京100080 ,北京100080
  • 发布日期:2003-08-25

Numerical Simulation Study on the Pulse Tube Cryocooler for Space Application

Ma Jun (Beijing University of Aeronautics and Astronautics, Beijing 100083) Hou Yukui (Chinese Academy of Space Technology, Beijing 100081) Ju Yonglin Zhou Yuan (Technical Institute of Physics and Chemistry, Beijing 100080)   

  • Published:2003-08-25

摘要： 脉冲管制冷机具有结构简单、可靠性高、寿命长、冷端无机械振动源以及没有电磁干扰等优点 ,是适合空间应用的新一代制冷机。文章以一维数值模型描述脉冲管制冷机中的非线性过程 ,利用有限差分方法对此一维模型进行了数值求解 ,计算结果与实验结果符合较好

关键词: 脉冲管制冷机, 低温制冷, 数值计算, 空间

Abstract: Having no moving part in the low temperature region of the cold finger, the pulse tube cryocooler has considerable system advantages over most other types of regenerative refrigerators in terms of simplicity, reliability and vibration It is a innovative cryocooler for space application In this paper, the 1-dimensional model describing the nonlinear process within the pulse tube cryocooler is solved using finite difference method The simulation results are compared with the experiment results.