Improvement Method to Reduce Noise Caused by Tire-Cavity Resonance

Journal of South China University of Technology (Natural Science Edition) ›› 2009, Vol. 37 ›› Issue (7): 90-93,105.

• Automotive Engineering • Previous Articles Next Articles

Improvement Method to Reduce Noise Caused by Tire-Cavity Resonance

Yu Xue-hua

School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China

Received:2008-05-30 Revised:2008-07-26 Online:2009-07-25 Published:2009-07-25
Contact: 于学华（1964-），男，副教授，博士，主要从事车辆系统动力学及汽车振动与噪声研究． E-mail:yxhtongzhi@163．com
About author:于学华（1964-），男，副教授，博士，主要从事车辆系统动力学及汽车振动与噪声研究．
Supported by:
国家“863”高技术计划项目（2003AA501000）;上海交通大学机械系统与振动国家重点实验室开放研究基金资助项目（VSN22006201）

Abstract

Abstract:

The acoustic-cavity resonance inside the tire-wheel assembly may results in the interior noise of running vehicles. In order to solve this problem, the characters of noise caused by acoustic-cavity resonance are analyzed, and the motion equation of the acoustic cavity system is deduced. Moreover, an improvement technique is proposed to reduce the peak level of the acoustic-cavity natural frequency by modifying the wheel with an elliptical rim. The correctness of the proposed method is finally validated by experiments.

Key words: tire, wheel, noise, resonance, acoustic cavity

Yu Xue-hua. Improvement Method to Reduce Noise Caused by Tire-Cavity Resonance[J]. Journal of South China University of Technology (Natural Science Edition), 2009, 37(7): 90-93,105.

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Improvement Method to Reduce Noise Caused by Tire-Cavity Resonance

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