The noise of aircraft

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Abstract

Our understandirig of the noise from jets, compressors; boundary layers, and sonic booms is still developing. In this lecture current concepts are presented, drawn in part from recent theoretical and experimental research. Where possible simple physical models of the major features of the noise and vibration phenomena are given. The noise from combustion and from propellers and rotors, being better known, is dealt with more briefly. Some mention is made of acoustical fatigue .

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