Volume 30 Issue 5
May  2015
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WANG Cheng-jun, JIANG Ping, XIN Xin, CHEN Bao-dong, CHEN Ke-hua. Measurement of triple-stage swirler cup combustor flow field based on PIV technology[J]. Journal of Aerospace Power, 2015, 30(5): 1032-1039. doi: 10.13224/j.cnki.jasp.2015.05.002
Citation: WANG Cheng-jun, JIANG Ping, XIN Xin, CHEN Bao-dong, CHEN Ke-hua. Measurement of triple-stage swirler cup combustor flow field based on PIV technology[J]. Journal of Aerospace Power, 2015, 30(5): 1032-1039. doi: 10.13224/j.cnki.jasp.2015.05.002

Measurement of triple-stage swirler cup combustor flow field based on PIV technology

doi: 10.13224/j.cnki.jasp.2015.05.002
  • Received Date: 2013-12-19
  • Publish Date: 2015-05-28
  • With reference to single-stage swirler design method, four kinds of third stage swirler of different blade numbers and installation angles in triple-stage swirler cup were designed. Triple-stage swirler cup combustor flow field was studied through the particle image velocity(PIV) technology. The experimental results show that with the increase of the third stage swirler blade number and installation angle, the axial velocity in main combustion zone decreases gradually, enhancing the effect of main combustion hole jet. Under the same blade number condition, the third stage swirler vortex intensity is boosted with the increase of the third stage swirle blade installation angle. For different third stage swirler blade installation angles, the flat trend of axial velocity increases with the increase of the third stage swirler blade number, making the effect of combustor flow disturbance decreases by main combustion hole jet and the mainstream flow more smoothly.

     

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