Volume 30 Issue 11
Nov.  2015
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WANG Chao, LIU Wei-dong, LIU Shi-jie, LIN Zhi-yong, JIANG Lu-xin. Instantaneous propagation characteristics of continuous rotating detonation wave[J]. Journal of Aerospace Power, 2015, 30(11): 2600-2606. doi: 10.13224/j.cnki.jasp.2015.11.006
Citation: WANG Chao, LIU Wei-dong, LIU Shi-jie, LIN Zhi-yong, JIANG Lu-xin. Instantaneous propagation characteristics of continuous rotating detonation wave[J]. Journal of Aerospace Power, 2015, 30(11): 2600-2606. doi: 10.13224/j.cnki.jasp.2015.11.006

Instantaneous propagation characteristics of continuous rotating detonation wave

doi: 10.13224/j.cnki.jasp.2015.11.006
  • Received Date: 2014-05-03
  • Publish Date: 2015-11-28
  • Experiments on continuous rotating detonation were performed using hydrogen/air. The instantaneous propagation frequency and velocity of the continuous rotating detonation wave (CRDW) were analyzed, and the relative standard deviation was obtained to describe the stability of detonation wave instantaneous propagation process. The effect of propellant mass flow rate on the CRDW instantaneous propagation characteristics was studied. The results showed that when the mass flow rate of air increased from 321g/s to 505g/s with the equivalence ratio of 1.0, the average propagation frequency of CRDW rose from 4.60kHz to 5.33kHz, and the average propagation velocity increased from 1445m/s to 1674m/s. Correspondingly, the relative standard deviation of instantaneous propagation frequency of CRDW decreased from 4.00% to 1.69%, indicating a more stable propagation process of CRDW at a higher propellant mass flow rate.

     

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