轨道交通轮轨滚动噪声的预测  

PREDICTION OF WHEEL/RAIL ROLLING-NOISE DURING RAIL TRANSIT

作　　者：刘林芽[1] 雷晓燕[1] 练松良[2] 

机构地区：[1]华东交通大学土建学院,南昌330013 [2]同济大学道路与交通工程教育部重点实验室,上海200331

出　　处：《振动与冲击》2007年第12期146-150,共5页Journal of Vibration and Shock

基　　金：国家自然科学基金项目(50768004);江西省自然科学基金项目(0512002)

摘　　要：随着我国大规模的铁路提速改造工程的实施,以及大力发展高速客运专线,铁路列车的运行噪声给沿线的居住环境带来了严重影响。基于轮轨竖向及横向振动相互作用关系,根据结构声辐射理论,考虑大地反射的影响,推导了铁路轮轨滚动噪声声压级谱的理论表达式。为验证本模型的正确性,在轮轨高频振动响应和轮轨噪声计算两方面和有关文献实测结果进行了对比验证,此外还对我国既有线轮轨噪声进行了理论预测和现场实测,数值计算结果与实验结果具有较好的一致性。With the actualization of the national higher speed railway program, and the development of passenger lines, the railway noise has impacted heavily on the residents along the lines. In the thesis, based on the basic relations of wheel/rail interaction, considering the effects of the ground reflection, the prediction expressions of the sound pressure level spectrum of the wheel/rail rolling-noise are derived by use of the structural sound radiation theory. In order to demonstrate the accuracy of the model, the calculation results of wheel/rail high-frequency response and wheel/rail noise are compared with the test results in authorized reference. The wheel/rail rolling-noise from existing railways in our country are predicted and measured. The numerical and measurement results are in good coincidance.

关 键 词：轨道交通 轮轨相互作用 轮轨噪声 

分 类 号：U211[交通运输工程—道路与铁道工程]