中国空间科学技术

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环路热管内工质流动特性的研究

苗建印,侯增祺,曹剑峰   

  1. 北京空间飞行器总体设计部!北京100086,北京空间飞行器总体设计部!北京100086,北京空间飞行器总体设计部!北京100086
  • 发布日期:2001-08-25

Hydrodynamics Analyses of Working Fluid in Loop Heat Pump

Miao Jianyin Hou Zengqi Cao Jianfeng(Beijing Institute of Spacecraft System Engineering,Beijing 100086)   

  • Online:2001-08-25
  • Supported by:
    国家高技术航天领域863项目 (863 -2 -2 -3 -1)

摘要: 由于环路热管 ( LHP)具有高传热性能、远距离传输热量、优良的控温特性和管路的可任意弯曲、安装方便等特点 ,使 LHP在航天热控领域有着广泛的应用前景。文章对 LHP内工质的流动压力降进行了分析和计算 ;对毛细芯所能提供的最大蒸发传热能力进行了预测 ,并结合实验研究结果综合分析了毛细芯结构对 LHP性能的影响。

关键词: 环路热管, 毛细管流, 流体动压力, 分析

Abstract: Loop Heat Pump (LHP) has great application potentiality in spacecraft thermal control field due to its high efficiency and long distance in heat transfer,good performance in thermal control and flexibility and convenience in installation.Pressure drop of working fluid in LHP is calculated and analyzed.The maximum heat transfer capacity based on LHP capillary structure is forecasted.And combined with experimental research,influence of the capillary structure on LHP characteristics is discussed.