2023
DOI: 10.21203/rs.3.rs-2862606/v1
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Jet noise and wing installation effects of circular, beveled and rectangular nozzles

Abstract: With the growth of modern turbofan engines, their integration under the wing becomes challenging and induces aerodynamic and acoustic interactions between the jet exhaust and the airframe. Jet noise reduction techniques have been widely studied over the past decades but their efficiency has still to be demonstrated once installed. The present lab-scale jet experiments at Mach 0.6 compare the noise radiated by beveled and rectangular installed nozzles to circular ones on a quarter-sphere radiation map using a m… Show more

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