Flap edge aeroacoustic measurements and predictions

Brooks, Thomas F.; Humphreys, William M.

doi:10.2514/6.2000-1975

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Open-jet Wind Tunnels1

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Cited by 20 publications

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“…Additional studies about the noise-generation mechanisms for trailing-edge noise, flaps, slats, and landing gears involving microphone arrays were performed at the Quiet Flow Facility in NASA Langley [94,[195][196][197][198][199]…”

Section: Open-jet Wind Tunnelsmentioning

confidence: 99%

A review of acoustic imaging methods using phased microphone arrays

et al. 2019

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Phased microphone arrays have become a well-established tool for performing aeroacoustic measurements in wind tunnels (both open-jet and closed-section), flying aircraft, and engine test beds. This paper provides a review of the most wellknown and state-of-the-art acoustic imaging methods and recommendations on when to use them. Several exemplary results showing the performance of most methods in aeroacoustic applications are included. This manuscript provides a general introduction to aeroacoustic measurements for non-experienced microphone-array users as well as a broad overview for general aeroacoustic experts.

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