Volume 26 Issue 9
Sep.  2011
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MU Zhong-qiang, QIAO Wei-yang, ZHAO Lei. Numerical investigation of rotor-stator interaction noise in a turbine stage[J]. Journal of Aerospace Power, 2011, 26(9): 2082-2088.
Citation: MU Zhong-qiang, QIAO Wei-yang, ZHAO Lei. Numerical investigation of rotor-stator interaction noise in a turbine stage[J]. Journal of Aerospace Power, 2011, 26(9): 2082-2088.

Numerical investigation of rotor-stator interaction noise in a turbine stage

  • Received Date: 2010-10-26
  • Rev Recd Date: 2011-02-20
  • Publish Date: 2011-09-28
  • By using the unsteady computation which employed phase-lag method to get the fluctuation pressure in a high pressure turbine stage with real blade amount,and also using the mode matching method in the duct of downstream rotor,the non-physic reflection in the duct end and other non-sound pressure fluctuations were extracted.The rotor-stator interaction noise propagating downstream was obtained.The results show that the dominance azimuthal mode m=3 isn't cut-off for the blade passing frequency, m=6 and m=-64 aren't cut-off for the second blade passing frequency.

     

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