Resolvent model for aeroacoustics of trailing-edge noise
Simon Demange,
Zhenyang Yuan,
Simon Jekosch
et al.
Abstract:This study presents a physics-based, low-order model for the trailing-edge (TE) noise generated by an airfoil at low angle of attack. The approach employs incompressible resolvent analysis of the mean flow to extract relevant spanwise-coherent structures in the transitional boundary layer and near wake. These structures are integrated into Curle's solution to Lighthill's acoustic analogy to obtain the scattered acoustic field. The model has the advantage of predicting surface pressure fluctuations from first p… Show more
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