期刊文献+

机械泵驱动回路式热管阻力特性的试验研究 被引量:2

Experimental Study on Resistance of a Mechanically-pumped Loop Heat Pipe
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摘要 在空间应用的背景下由于热源发热量增加、热流密度的增大以及散热回路日趋复杂,用机械泵为驱动力的回路式热管系统逐渐引起各国热控科研人员的重视。阻力特性直接影响到散热系统工作性能,文中首先对该技术的工作原理及系统阻力进行计算分析,并在以CO2为循环工质的试验台上对系统的阻力特性进行试验研究,结果证明以机械泵为驱动力的环路式热管系统质量流量与系统压降为单调二次对应关系,与单相循环系统的阻力曲线形式较一致,从而使得系统具有运行稳定可靠和高控温精度的特点。 Because resistance characteristics exert direct influence on the performance of the cooling system of a mechanically-pumped loop heat pipe( MPLHP), we calculate and analyze its resistance. Then we make experimental study of the resistance with a test-bed that uses CO2 as work fluid. The experemental results show that the correspondence between mass flow and resistance of the MPLHP is a conic curre. Therefore the MPLHP operates stably and controls temperature accurately.
出处 《机械科学与技术》 CSCD 北大核心 2007年第12期1612-1615,1620,共5页 Mechanical Science and Technology for Aerospace Engineering
基金 广东省人民政府科技专项 科技部国际科技合作重点项目计划(2003DF000050) 973计划前期研究专项(2006CB708613)资助
关键词 机械泵驱动回路式热管 散热系统 阻力特性 mechanically-pumped loop heat pipe (MPLHP) cooling system resistance
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参考文献4

  • 1赵建福,林海,解京昌,胡文瑞,吕从民,张玉涵.微重力条件下气 /液两相流压降实验研究[J].应用基础与工程科学学报,2001,9(4):373-380. 被引量:11
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