车内轮胎空腔噪声的传递路径识别与优化

doi:10.19562/j.chinasae.qcgc.2019.010.016

摘要/Abstract

摘要： 本文中利用传递路径分析方法对车内轮胎空腔噪声的传递路径进行了识别和优化。首先建立了车内噪声传递路径分析模型,并基于该模型,找出对车内的轮胎空腔噪声贡献量占优的传递路径;接着通过CAE仿真确定了这些传递路径上需要优化的部件,提出优化方案;最后对优化方案进行了试验验证。结果表明,所提出的优化方案很好地抑制了车内轮胎空腔噪声,验证了采用传递路径分析方法来优化车内轮胎空腔噪声的可行性和有效性。

关键词: 轮胎空腔噪声, 传递路径分析, 贡献量, 传递路径优化

Abstract: Transfer path analysis (TPA) method is utilized to identify and optimize the transfer path of tire cavity noise in vehicle in this paper. Firstly, a TPA model for vehicle interior noise is set up, based on which the transfer paths with dominant contributions to tire cavity noise in vehicle are found out. Then through CAE simulation, the components, which need to be optimized, on those transfer paths is determined with optimization scheme proposed. Finally, the optimization scheme is validated by test. The results show that the optimization scheme proposed can well suppress the tire cavity noise in vehicle, verifying the feasibility and effectiveness of TPA method in optimizing the tire cavity noise in vehicle

Key words: tire cavity noise; transfer path analysis; contributions; transfer path optimization

高煜,娄小宝,周禾清,董良,杨铭杰. 车内轮胎空腔噪声的传递路径识别与优化[J]. 汽车工程, 2019, 41(10): 1215-1220.

Gao Yu, Lou Xiaobao, Zhou Heqing, Dong Liang & Yang Mingjie. Transfer Path Identification and Optimization of Tire Cavity Noise in Vehicle[J]. Automotive Engineering, 2019, 41(10): 1215-1220.

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