Study on Abnormal Interior Noise of High-Speed Trains

被引：1
|
作者：
Zhang, J. [1 ]
Xiao, X. B. [1 ]
Han, G. [1 ]
Deng, Y. [1 ]
Jin, X. S. [1 ]
机构：
[1] Southwest Jiaotong Univ, State Key Lab Tract Power, Chengdu, Peoples R China
来源：
NOISE AND VIBRATION MITIGATION FOR RAIL TRANSPORTATION SYSTEMS | 2015年 / 126卷
关键词：
D O I：
10.1007/978-3-662-44832-8_82
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Field experiments were carried out to investigate abnormal interior noise generation in a coach used as a dining car of a high-speed train, including field measurements to investigate the interior noise conditions of another passenger coach under the same operating conditions. Sound quality indexes at each interior noise measuring point were analyzed to determine the characteristics of the abnormal interior noise. The differences of vibration and noise in the two coaches were then compared to show the effect of the interior structure of the coach on the abnormal interior noise. In addition, the differences of vibration and noise in the dining coach before and after the wheel re-profiling were compared to examine the effect of the wheel roughness on the abnormal interior noise. The present work has identified mechanisms of abnormal interior noise generation in the dining car.
引用
收藏
页码：691 / 698
页数：8
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