Volume 31 Issue 9
Sep.  2016
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TU Bao-feng, HU Jun, ZHANG Kai. Effect of bulk swirl on performance and stability of transonic single rotor[J]. Journal of Aerospace Power, 2016, 31(9): 2233-2238. doi: 10.13224/j.cnki.jasp.2016.09.024
Citation: TU Bao-feng, HU Jun, ZHANG Kai. Effect of bulk swirl on performance and stability of transonic single rotor[J]. Journal of Aerospace Power, 2016, 31(9): 2233-2238. doi: 10.13224/j.cnki.jasp.2016.09.024

Effect of bulk swirl on performance and stability of transonic single rotor

doi: 10.13224/j.cnki.jasp.2016.09.024
  • Received Date: 2014-12-04
  • Publish Date: 2016-09-28
  • In order to investigate the effect of bulk swirl on performance and stability of axial compressor, blade swirl generator was designed and numerically simulated with a transonic single rotor. The results showed that counter-rotating bulk swirl caused significant drop in coefficient and stall margin and increase in choke mass flow, angle of attack and total pressure ratio. Co-rotating bulk swirl led to decrease of choke mass flow, attack angle, total pressure ratio and stable operating range, and increase of coefficient. Co-rotating bulk swirl caused suction surface boundary layer separation beyond 50% blade span, and more serious tip leakage blocking, contributing a lot to unstable compressor.

     

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