NASA NTRS ยท 19720000040
Reduction of fan noise: A concept
Abstract
Acoustic materials strategically located within or near noise sources are effective for noise abatement on wing mounted lift fans, nozzles, engines and other noise sources. Panels are straightforward and easily adaptable to situations outside of aircraft technology.
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Simonson, M. R.. 1972-01-01. Reduction of fan noise: A concept. https://ntrs.nasa.gov/citations/19720000040
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