Volume 33 Issue 9
Sep.  2018
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Influence of stator wake on aeroelasticity of rotor blade[J]. Journal of Aerospace Power, 2018, 33(9): 2219-2227. doi: 10.13224/j.cnki.jasp.2018.09.019
Citation: Influence of stator wake on aeroelasticity of rotor blade[J]. Journal of Aerospace Power, 2018, 33(9): 2219-2227. doi: 10.13224/j.cnki.jasp.2018.09.019

Influence of stator wake on aeroelasticity of rotor blade

doi: 10.13224/j.cnki.jasp.2018.09.019
  • Received Date: 2017-05-15
  • Publish Date: 2018-09-28
  • An energy method was proposed to consider the effect of the wake induced by the upstream stator on the aeroelasticity of the rotor blade based on the phase lagged method, and then validated by the time-marching method. The effects of wake on aerodynamic damping of rotor blades under different modes and interblade phase angles were investigated. The results showed that the wake had a significant effect on the aeroelasticity of the rotor blades, and can be simulated by the developed method accurately and efficiently. Compared with the first torsional mode, the wake had a more serious impact on the aeroelasticity of the first bending mode. Furthermore, for different interblade phase angles, the wake can weaken the low aerodynamic damping and strengthen the high damping for the first bending mode, in contrast to the first torsion mode.

     

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