NASA NTRS · 19750022996
Propulsion system noise reduction
Abstract
The progress in propulsion system noise reduction is reviewed. The noise technology areas discussed include: fan noise; advances in suppression including conventional acoustic treatment, high Mach number inlets, and wing shielding; engine core noise; flap noise from both under-the-wing and over-the-wing powered-lift systems; supersonic jet noise suppression; and the NASA program in noise prediction.
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Feiler, C. E., Heidelberg, L. J., Karchmer, A. M., Lansing, D. L., Miller, B. A., Rice, E. J.. 1975-01-01. Propulsion system noise reduction. https://ntrs.nasa.gov/citations/19750022996
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