Volume 30 Issue 12
Dec.  2015
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KONG Xiao-zhi, LIU Gao-wen, CHEN Kai. Numerical study on the influences of tooth position in compressor stator well sealing[J]. Journal of Aerospace Power, 2015, 30(12): 2925-2933. doi: 10.13224/j.cnki.jasp.2015.12.016
Citation: KONG Xiao-zhi, LIU Gao-wen, CHEN Kai. Numerical study on the influences of tooth position in compressor stator well sealing[J]. Journal of Aerospace Power, 2015, 30(12): 2925-2933. doi: 10.13224/j.cnki.jasp.2015.12.016

Numerical study on the influences of tooth position in compressor stator well sealing

doi: 10.13224/j.cnki.jasp.2015.12.016
  • Received Date: 2014-04-29
  • Publish Date: 2015-12-28
  • Numerical simulations of the flow and temperature fields were carried out at different tooth positions in compressor stator well sealing. The sealing characteristics, swirl characteristics and windage heating characteristics of a labyrinth sealing with different tooth positions were studied. Influences of relative different positions of single, double and triple teeth on the discharge coefficient, outlet swirl ratio and windage heating were studied. The results show that the discharge coefficient is minimum, outlet swirl ratio and windage heating are maximum when the single tooth is placed at downstream position. Under the double teeth condition, when one is at upstream position and the other at downstream position, the discharge coefficient is minimum. Under the triple teeth condition, when upstream, downstream and middle positions are separately provided with a tooth, the discharge coefficient is minimum. With the decrease of discharge coefficient, the outlet swirl ratio and windage temperature increase.

     

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