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加速度场中环路热管温度波动现象分析 被引量:2

Investigation of temperature fluctuation in loop heat pipe under acceleration fields
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摘要 基于离心机系统,搭建了双储液器环路热管(DCCLHP)工作特性实验台,实验研究了环路热管在地面重力场和过载加速度场中的运行性能,热载荷范围为25~300 W,过载加速度大小为3g~9g,分析了不同热载荷、加速度方向、大小对环路热管温度波动的影响。结果表明,过载加速度会改变环路热管的启动模式和运行性能,可抑制或激发冷凝器出口温度波动甚至整个环路的波动,但相同热载荷下蒸发器运行温度基本一致。回路中气液两相流动自身固有的不稳定性在过载加速度效应下更易受到激发,加剧回路中流动不稳定,进而加剧蒸发器向储液器漏热的不稳定。冷凝器的冷却作用可以有效削弱冷凝器段的温度波动。 Based on the centrifugal machine system,a test apparatus was set up to investigate the operating characteristics of dual compensation chambers loop heat pipe( DCCLHP) under both gravity and acceleration fields. The ranges of the heat load and the magnitude of acceleration are 25- 300 W and 3g- 9g,respectively. The influences of different heat loads,acceleration directions and magnitudes on temperature fluctuations of loop heat pipe were analyzed. The results indicate that the effect of the acceleration can change the start mode and operating performance of the DCCLHP. The temperature fluctuation at the outlet of the condenser and even around the whole loop can be restrained or wakened. But the operating temperature of the evaporator is nearly the same under the same heat load conditions. The inherent flow instability of the gas-liquid two phase flow can be enhanced by the acceleration effect which reinforces this unstable flow in reverse.Furthermore,the instability of the heat leak from the evaporator to the compensation chamber is enhanced. In addition,the cooling effect of the condenser can weaken the temperature fluctuation of the condensing pipe line.
作者 薛好 谢永奇 戴华 余建祖 马伟 XUE Hao,XIE Yongqi,DAI Hua,YU Jianzu,MA Wei(1. School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China 2. Zhertgzhou Kindergarten Teachers College, Zhengzhou 453001, China 3. Science and Technology on Space Physics Laboratory, Beijing 100076, China)
出处 《北京航空航天大学学报》 EI CAS CSCD 北大核心 2016年第7期1502-1508,共7页 Journal of Beijing University of Aeronautics and Astronautics
基金 中央高校基本科研业务费专项资金(YWF-14-HKXY-019)
关键词 环路热管 双储液器 加速度场 运行性能 温度波动 loop heat pipe dual compensation chambers acceleration field operating characteristics temperature fluctuation
作者简介 薛好 男,硕士研究生。主要研究方向:环路热管、强化传热等。E—mail:buaaxh@126.com 通讯作者 谢永奇 男,博士,讲师,硕士生导师。主要研究方向:飞行器环境控制、电子设备热设计等。Tel.:010—82318081 E—mail:xyq@buaa.edu.cn
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参考文献15

  • 1MAYDANIK Y F. Loop heat pipes [ J]. Applied Thermal Engi- neering, 2005,25 (5-6) :635-657. 被引量:1
  • 2AMBIRAJAN A, ADONI A A, VAIDYA J S, et al. Loop heat pipes: A review of fundamentals, operation, and design [ J ]. Heat Transfer Engineering ,2012,33 (4-5) : 387-405. 被引量:1
  • 3BAI L Z,LIN G P,WEN D S, et al. Experimental investigation of startup behaviors of a dual compensation chamber loop heat pipe with insufficient fluid inventory [ J]. Applied Thermal En- gineering, 2009,29 ( 8-9 ) : 1447-1456. 被引量:1
  • 4LIN G P, ZHANG H X, SHAO X G, et al. Development and test results of a dual compensation chamber loop heat pipe [ J]. Journal of Thermophysics and Heat Transfer, 2006,20 ( 4 ) : 825 - 834. 被引量:1
  • 5KU J. Operating characteristics of loop heat pipes: SAE 1999-O1-2007 [ R ]. Detroit : SAE, 1999. 被引量:1
  • 6LAUNAY S, SARTRE V, BONJOUR J. Parametric analysis of loop heat pipe operation: A literature review [ J]. International Journal of Thermal Sciences, 2007,46 ( 7 ) : 621-636. 被引量:1
  • 7CHUANG P A. An improved steady-state model of loop heat pipes based on experimental and theoretical analyses [ D ]. Pennsylvania:The Pennsylvania State University,2003. 被引量:1
  • 8KU J, OTTENSTEIN L, KOBEL M, et al. Temperature fluctua- tions in loop heat pipe operation [ C ] //AIP Conference Pro- ceedings. [ S. 1. : s. n. ] ,2001,552:255-262. 被引量:1
  • 9KU J,OTTENSTEIN L, KAYA T. et al. Testing of a loop heat pipe subjected to variable accelerating forces, Part 1 : Start-up : SAE 2000-01-2488 [ R ]. Detroit : SAE,2000. 被引量:1
  • 10KU J, OTTENSTEIN L, KAYA T, et al. Testing of a loop heat pipe subjected to variable accelerating forces,Part 2:Tempera- ture stability : SAE 2000-01-2489 [ R ]. Detroit : SAE ,2000. 被引量:1

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