ON THE PREDICTION OF “BUZZ-SAW” NOISE IN
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A. MCALPINE; M.J. FISHER
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Article
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2001
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Elsevier Science
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English
⚖ 579 KB
&&Buzz-saw'' noise radiated from an aero-engine inlet duct occurs when the relative speed of the inlet #ow impinging on the fan blades is supersonic. The pressure "eld attached to a supersonic ducted fan, in a direction normal to the shock fronts, closely resembles a sawtooth waveform. The non-linea