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| Experimental study on start-up characteristics of loop heat pipes | |
| 引用本文： | R.G. Sudakov,Yu. F. Maidanik. Experimental study on start-up characteristics of loop heat pipes[J]. 中国科学E辑(英文版), 2005, 48(2): 131-144. DOI: 10.1360/04ye0236 |
| 作者姓名： | R.G. Sudakov Yu. F. Maidanik |
| 作者单位： | Institute of Thermal Physics Ural Branch of the Russian Academy of Sciences，Ekaterinburg 620219，Russia，Institute of Thermal Physics Ural Branch of the Russian Academy of Sciences，Ekaterinburg 620219，Russia |
| 摘 要： | Loop heat pipes (LHPs) are two-phase heat transfer devices which utilize theevaporation and condensation of the working fluid to transfer heat. It consists of anevaporator, a condenser, a compensation chamber (CC) and vapor and liquid lines. Fig. 1 shows the detailed structure of the evaporator, CC and condenser of a LHP.The basic principles of LHP were introduced in ref. [1]. When LHPs start to work, liquidis vaporized in the vapor grooves, the menisci formed in the wick develop c… |
| 收稿时间： | 2009-06-19 |
Experimental study on start-up characteristics of loop heat pipes |
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| Zhang Hongxing,Lin Guiping,Ding Ting,Shao Xingguo,R.G.Sudakov,Yu.F.Maidanik. Experimental study on start-up characteristics of loop heat pipes[J]. Science in China(Technological Sciences), 2005, 48(2): 131-144. DOI: 10.1360/04ye0236 | |
| Authors: | Zhang Hongxing Lin Guiping Ding Ting Shao Xingguo R.G.Sudakov Yu.F.Maidanik |
| Affiliation: | 1. School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China 2. Beijing Institute of Spacecraft System Engineering, Beijing 100086, China 3. Institute of Thermal Physics Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620219, Russia |
| Abstract: | This paper presents results of ground-experimental study on the start-up characteristics of a Loop Heat Pipe. The physical process of start-up is described, and the explanation that “Pressure Transfer” leads to the saturated temperature rise in compensation chamber during start-up is first discussed. Start-up behaviors as a function of various parameters including vapor/liquid distribution in the evaporator, adverse elevation, start-up heat load, sink temperature are described and explained. A peculiar start-up phenomenon composed of two start-up scenarios was first observed at adverse elevations and is described. |
| Keywords: | loop heat pipe start-up experiment. |
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