A Study on Effects of Aircraft Noise Environment on its Structure 872450

In this paper are reported some measurements of the noise environment of the aircraft, discussed the obtained noise load distribution and frequency spectra of the structure, preliminarily analysed the factors affecting the magnitude of parameters concerned and response characteristics of acoustic vibration of the structure, briefly summarized the noise load spectra and the method of drawing up them, the method of acoustic fatigue test and principles for selecting the parameters” through practical example. Some methods and results of analysing and remedying the troubles caused by the acoustic fatigue are also dealt with in the paper.


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