Acoustic Characteristics of a Steady Circulation Control Airfoil

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Detailed aeroacoustic and fluid dynamic experiments are being conducted on a 0.52 m chord 2-D dual-slotted circulation control (CC) airfoil in the University of Florida Aeroacoustic Flow Facility (UFAFF). The results from this study will be used to compare with theory and computational studies and will provide guidance to enable the design of a CC system with reduced noise. To date, the investigation has focused on farfield microphone measurements and detailed particle image velocimetry (PIV) measurements of the flowfield.

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