Spanwise-coherent wavepackets in the turbulent boundary layer are shown by LES and SPOD to drive broadband trailing-edge noise, and a two-mode acoustic SPOD reconstruction reproduces the far-field sound.
1975 Acoustic radiation from an airfoil in a turbulent stream
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Identification of structures driving trailing-edge noise. Part II -- Numerical investigation
Spanwise-coherent wavepackets in the turbulent boundary layer are shown by LES and SPOD to drive broadband trailing-edge noise, and a two-mode acoustic SPOD reconstruction reproduces the far-field sound.