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Parametric Effect of Blade Surface Blowing on the Reduction of Rotor Blade–Vortex Interaction Noise
Publisher: ASCE
Abstract: Reducing rotor blade–vortex interaction (BVI) noise is a major challenge in rotorcraft research. This paper presents a high-resolution numerical study of the effects of blade surface blowing on BVI noise reduction. Using ...
Airfoil–Vortex Interaction Noise Control Mechanism Based on Active Flap Control
Publisher: ASCE
Abstract: Blade-vortex interaction (BVI) noise is a significant source of rotor noise. In recent years, active flap control (AFC) has been used successfully to control BVI by adding a trailing edge flap to the blade. However, due ...