Sound Radiation Analysis and Noise Reduction Design of Railway Wheel

ZHA Guotao; FU Rong; FU Liang; TU Fengchen; HE Caichun

doi:10.13890/j.issn.1000-128x.2018.04.007

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Sound Radiation Analysis and Noise Reduction Design of Railway Wheel

更新时间：2021-12-13

- Sound Radiation Analysis and Noise Reduction Design of Railway Wheel
- Electric Drive for Locomotives Issue 4, Pages: 28-32(2018)
- 作者机构：
  
  1. 株洲时代新材料科技股份有限公司,湖南,株洲,412007
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2018.04.007
  CLC：
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ZHA Guotao, FU Rong, FU Liang, et al. Sound Radiation Analysis and Noise Reduction Design of Railway Wheel. [J]. Electric Drive for Locomotives (4):28-32(2018)
DOI：

ZHA Guotao, FU Rong, FU Liang, et al. Sound Radiation Analysis and Noise Reduction Design of Railway Wheel. [J]. Electric Drive for Locomotives (4):28-32(2018) DOI： 10.13890/j.issn.1000-128x.2018.04.007.

摘要

车轮辐射噪声是轨道交通噪声的重要贡献源。结合声学仿真和试验技术，分析了某型车轮辐射噪声特性，并设计了一种结合约束阻尼和动力吸振技术的降噪车轮。车轮声学试验结果表明，该车轮降噪方案有良好的降噪效果，车轮声学传递函数幅值降低1~2 个数量级，总声功率级降低11 dB(A) 以上。

Abstract

The wheel radiation noise is an important contributor of railway noise. Based on the acoustic simulation and experimental techniques, this paper analyzed the radiation noise characteristics of a wheel, and designed a noise reduction wheel combined with constrained damping and vibration absorbing technology. The results of the wheel acoustics test showed that the noise reduction method has a good noise reduction effect. The amplitude of the acoustic transfer function was reduced by one to two orders of magnitude, and the total sound power level was reduced by above 11 dB (A).

关键词

列车车轮降噪声辐射模态阻尼传递函数

Keywords

railway wheelnoise reductionsound radiationmodaldampingtransfer function

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Related Institution

Department of Economic Management, Sichuan Technology and Business College

School of Intelligent Manufacturing, Chengdu Technological University

Technology Center, CRRC Datong Electric Locomotive Co., Ltd.

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