400 km/h高速列车车头车厢内部噪声预测

声学与振动 Pub Date : 2022-01-01 DOI:10.12677/ojav.2022.102004

雷鸣宋

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Prediction of the Interior Noise of the Head Car of 400 km/h High-Speed Train

With the continuous improvement of train running speed, more attention has been paid to the ride comfort in high-speed trains. In this paper, the FE-SEA method is used to establish a model of the head car of a high-speed train. The noise results are obtained by applying 350 km/h excitation data to the model, which is compared with the test data to verify the accuracy of the model. By fitting and extrapolating the test data of sound source, the 400 km/h interior noise prediction results are obtained, which provides technical support for the design of 400 km/h high-speed train.

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声学与振动

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