Abstract
Active control of the aeroacoustics of flow-induced oscillations in a rectangular cavity using a vibrating plate inserted at the downstream edge is demonstrated. Pressure and phase-locked Particle Image Velocimetry measurements show that the oscillations of the mixing layer can be controlled in order to attenuate or amplify the radiated sound. Results obtained from a previously developed analytical model are used to characterize the effects of the control. To cite this article: L. Chatellier et al., C. R. Mecanique 334 (2006).
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