Volume 29 Issue 12
Dec.  2014
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HUANG Xi-qiao, LI Yang, XIONG Yue-fei, YUAN Yuan-yuan, ZHENG Long-xi. Experiment on heat exchange and cooling of pulse detonation engine detonation tube wall[J]. Journal of Aerospace Power, 2014, 29(12): 2817-2823. doi: 10.13224/j.cnki.jasp.2014.12.005
Citation: HUANG Xi-qiao, LI Yang, XIONG Yue-fei, YUAN Yuan-yuan, ZHENG Long-xi. Experiment on heat exchange and cooling of pulse detonation engine detonation tube wall[J]. Journal of Aerospace Power, 2014, 29(12): 2817-2823. doi: 10.13224/j.cnki.jasp.2014.12.005

Experiment on heat exchange and cooling of pulse detonation engine detonation tube wall

doi: 10.13224/j.cnki.jasp.2014.12.005
  • Received Date: 2013-04-28
  • Publish Date: 2014-12-28
  • Experimental investigation for pulse detonation engine (PDE) tube wall temperature distribution along axial direction with or without cooling water using Pt100 thermal resistance was conducted. The results indicate that the outer detonation tube wall temperature increases as the engine's detonation frequency increases at the same axial location of detonation tube. At the same detonation frequency, the outer detonation tube wall temperature in the zone far away from the thrust wall is higher than that in the zone near the thrust wall. The outer detonation tube wall temperature and the temperature gradient reduces when the cooling water is filled into the detonation heat exchange system. The temperature of outer detonation tube wall could be decreased by 106.5℃ when the PDE works for 16s at the detonation frequency of 20Hz.

     

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