Passive control of aerodynamic noise from tandem airfoils using a micro-perforated leading-edge array on the downstream airfoil
To address turbulence-interaction noise induced by strong wake–leading-edge interactions in tandem airfoils of turbomachinery, this study considers National Advisory Committee for Aeronautics 6412 tandem airfoils and designs three micro-perforated array configurations with different chordwise coverages at the leading e...