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Study of the Influence of Tire Belt Structure on Vibration Noise

[ Vol. 10 , Issue. 4 ]

Author(s):

Haichao Zhou, Guolin Wang, Yingwen Zhang*, Jian Yang and Zhou Zheng   Pages 270 - 278 ( 9 )

Abstract:


Background: In recent years, the influence of tire noise on vehicle noise, vibration, and harshness (NVH) has increased because of the reduction of other types of noise such as engine noise and aerodynamic noise. Studies have focused on the influence of the tire structure on vibration noise, but not specifically on the belt structure.

Objective: The aim of this study was to analyze the influence of the belt structure on tire vibration and noise and as well as the relevant physical laws.

Methods: The modal acoustic transfer vector technique and acoustic boundary element simulation analysis were performed to study the vibration noise in a belt layer scheme designed using an orthogonal test. A combination of belt structure parameters yielding low noise was obtained using the range method.

Results: The results indicate that when the belt structure was optimized, vibration noise declined by 7.55dB, the vibration noise sound pressure peak shifted to a higher frequency, and the acceleration peaks of the tread and sidewall decreased. The influence of the belt structure on the acceleration of the tread was mainly reflected in the middle-frequency band; however, for the sidewalls in the highfrequency band, the fluctuation and peak of the optimized excitation force spectrum, especially 440-Hz power spectrum, decreased considerably.

Conclusion: The tire belt structure has considerable effect on vibration noise. This finding provides a theoretical basis for the development of low-noise tires in the future.

Keywords:

Acceleration at measuring points, belt structure, frequency response function curve, heavy duty radial tire, modal acoustic transfer vector, orthogonal test.

Affiliation:

School of Automotive and Traffic Engineering, JiangSu University, Zhenjiang 212013, Jiangsu Province, School of Automotive and Traffic Engineering, JiangSu University, Zhenjiang 212013, Jiangsu Province, School of Automotive and Traffic Engineering, JiangSu University, Zhenjiang 212013, Jiangsu Province, School of Automotive and Traffic Engineering, JiangSu University, Zhenjiang 212013, Jiangsu Province, School of Automotive and Traffic Engineering, JiangSu University, Zhenjiang 212013, Jiangsu Province



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