高速列车车窗隔声量研究

doi:10.3901/JME.2018.04.212

机械工程学报 ›› 2018, Vol. 54 ›› Issue (4): 212-221.doi: 10.3901/JME.2018.04.212

高速列车车窗隔声量研究

张玉梅¹, 王瑞乾², 李晔², 李明³, 温泽峰¹, 肖新标¹

1. 西南交通大学牵引动力国家重点实验室成都 610031;
2. 常州大学城市轨道交通学院常州 213164;
3. 中车唐山机车车辆有限公司唐山 063035

收稿日期:2017-04-15 修回日期:2017-11-25 发布日期:2018-02-20
通讯作者: 肖新标(通信作者),男,1978年出生,博士,副研究员,硕士研究生导师。主要研究方向为铁路噪声与振动。E-mail:xiao@home.swjtu.edu.cn
作者简介:张玉梅,女,1987年出生,博士研究生。主要研究方向为高速列车振动噪声控制。E-mail:15928041123@163.com
基金资助:
国家自然科学基金（U1434201，51475390）和江苏省普通高校研究生科研创新计划（SCZ1415800072）资助项目

Study on Sound Transmission Loss of Windows on High Speed Trains

ZHANG Yumei¹, WANG Ruiqian², LI Ye², LI Ming³, WEN Zefeng¹, XIAO Xinbiao¹

1. State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031;
2. School of Urban Rail Transit, Changzhou University, Changzhou 213164;
3. CRRC Tangshan Co., Ltd., Tangshan 063035

Received:2017-04-15 Revised:2017-11-25 Published:2018-02-20

摘要/Abstract

摘要： 基于波动法和模态叠加法，建立双板空腔结构隔声量计算模型，通过实测双板空腔混响隔声量验证了模型的合理性。基于计算模型研究了我国某高速列车车窗隔声量特性，并调查了车窗厚度、空腔厚度和空腔阻尼等参数变化下的隔声量特性。在定量评价车窗隔声量随各参数变化时，除了采用计权隔声量，还同时引入了基于基准车窗的修正质量定理，相关结果可为轻量化选材提供参考。轮轨噪声是高速列车的主要声源之一，为评价车窗对其隔声效果，实测了250 km/速度下轮轨区域噪声，提出了基于隔声量理论的等效车内声压级评价指标。结合以上两个评价指标，对车窗参数的隔声量影响进行了综合分析，结果表明：改变车窗厚度比例是提高车窗隔声性能的最有效方法，其次是增加空腔厚度或增加空腔阻尼。相关研究可为高速列车车窗低噪声设计提供依据和车窗选材提供参考。

关键词: 车窗, 低噪声设计, 高速列车, 隔声量, 轻量化

Abstract: Based on wave propagation and modal superposition method, the theoretical model of sound transmission loss (STL) of a double panel structure is built. The model is validated by comparing with the diffuse STL measurements. Through the validated model, the STL properties of window on one of the high-speed train are studied. The effect of key factors on STL are also studied, namely the thickness of glass and air cavity, the damping loss factor of cavity. In order to qualify the STL of different cases, beside the weighted STL, the mass law adjustment according to the standard window are also given, which gives a reference to the lightweight design. Wheel rail noise is one of the main noise sources of high-speed train, in order to evaluate the effect of sound insulation in practice; the field wheel rail area noise is further measured at 250 km/h. The equivalent interior noise based on the STL of windows is introduced. Combine the two qualifying items, it's found that, change the ratio of the thickness of the glass of window is the most effective way to improve the STL of windows. Adding the air cavity and enlarge the damping of the cavity can also improve the STL of windows. Relative results provide indications for future low noise design of high speed train windows.

Key words: high-speed train, lightweight, low noise design, sound transmission loss, window

中图分类号:

U270

张玉梅, 王瑞乾, 李晔, 李明, 温泽峰, 肖新标. 高速列车车窗隔声量研究[J]. 机械工程学报, 2018, 54(4): 212-221.

ZHANG Yumei, WANG Ruiqian, LI Ye, LI Ming, WEN Zefeng, XIAO Xinbiao. Study on Sound Transmission Loss of Windows on High Speed Trains[J]. Journal of Mechanical Engineering, 2018, 54(4): 212-221.

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高速列车车窗隔声量研究

Study on Sound Transmission Loss of Windows on High Speed Trains

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