Aeroacoustics of sawtooth trailing-edge serrations under aerodynamic loading
Journal of Sound and Vibration(2022)
摘要
•Streamwise vortices are formed around the serration under loading;•Vortices cause a local increase in the wall-pressure fluctuations;•Wall-pressure fluctuation increased by induced mean flow-turbulence interaction;•Aerodynamic loading associated with loss of noise reduction performance of serrations;
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关键词
trailing-edge serrations,aerodynamic loading,streamwise vortices,aeroacoustics
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