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Volume 41 Issue 1
Jan.  2015
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Journal of Beijing University of Aeronautics and Astronautics  > 2015  >  41(1): 38-44.
XIE Yongqi, YU Yin, XIE Liyao, et al. Experimental investigation on operational performance of loop heat pipe subjected to acceleration force[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 38-44. doi: 10.13700/j.bh.1001-5965.2014.0049(in Chinese)
Citation: XIE Yongqi, YU Yin, XIE Liyao, et al. Experimental investigation on operational performance of loop heat pipe subjected to acceleration force[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 38-44. doi: 10.13700/j.bh.1001-5965.2014.0049(in Chinese)
shu

Experimental investigation on operational performance of loop heat pipe subjected to acceleration force

doi: 10.13700/j.bh.1001-5965.2014.0049
  • 1.

    School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • 2. National Defense Key Discipline Laboratory of Ergonomics and Environmental Control, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 23 Jan 2014
  • Publish Date: 20 Jan 2015
    Abstract
  • To solve the problem of temperature oscillation, even operation failure when loop heat pipe with single compensation chamber was subjected to acceleration force, the experimental setup was built for testing the performance of dual compensation champers loop heat pipe (DCCLHP) based on the centrifugal machine system with constant acceleration. The operational characteristics of DCCLHP were researched when it was subjected to acceleration force after reaching the steady state at gravity field. The influence of different heat load, acceleration value and direction on the performance was analyzed. The results show that the operation of DCCLHP can get to the steady state at 7 g acceleration field. The steady operation temperature at elevated acceleration field is lower than that at gravity field and the heat load and acceleration force have an impact on the decrease. It takes less time along the acceleration direction from compensation chamber 2 to compensation chamber 1 than in the opposite direction when it gets to the steady operation. Moreover, the temperature oscillations at the outlet condenser and liquid line occur as a result of the acceleration effect.

     

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