Review of aerodynamic noise in turbomachinery[J]. Advances in Mechanics, 2009, 39(2): 189-202. doi: 10.6052/1000-0992-2009-2-J2007-157
Citation: Review of aerodynamic noise in turbomachinery[J]. Advances in Mechanics, 2009, 39(2): 189-202. doi: 10.6052/1000-0992-2009-2-J2007-157

Review of aerodynamic noise in turbomachinery

doi: 10.6052/1000-0992-2009-2-J2007-157
  • Received Date: 2007-12-13
  • Publish Date: 2009-03-25
  • The advances andcurrent state of the aerodynamic noise in turbomachinery arereviewed in terms of noise generation mechanism, numericalprediction and control method, respectively. Firstly, thetheoretical development of noise generation mechanism issummarized in terms of discrete noise and broadband noise, inwhich the discrete noise consists of self noise and interactionnoise, and the broadband noise comprises noises induced by flowdistortion, blade tip clearance flow, viscous wake flow and vortexshedding. Then, the advancements of noise numerical prediction arereviewed based on the sound analogy. Thirdly, the noise controlmethods are presented in terms of active noise control, blade wakemanagement, uneven blade control and porous surface control.Finally, achievements of researches on aerodynamic noise inturbomachinery are summarized and prospect is outlined.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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