滚动速度对轮胎面内径向振动及路噪的影响研究与验证

doi:10.19562/j.chinasae.qcgc.2023.02.017

摘要/Abstract

摘要：

为了研究行驶速度对路噪的影响，详细解析了滚动速度与柔性环轮胎模型的模态固有频率及振动响应之间的关系。建立了某款SUV轮胎的CDtire模型，通过模态测试验证了模型准确性；然后分析了不同滚动速度中，CDtire在主要方向的轮心振动频响。结果表明：对比该款轮胎以40和60 km/h的速度滚动，轮胎面内径向2阶模态对应的振动响应前者更大，前者对应频率的路噪水平也更高，并在实车路噪测试中得到了验证。

关键词: 柔性环, 滚动速度, 面内径向模态, CDtire, 路噪

Abstract:

In order to study the influence of driving speed on road noise， the relationship between the rolling speed and the modal natural frequencies and vibration response of the elastic ring tire model is analyzed in details. The CDtire model of a SUV tire is established and verified by modal test. Then vibration frequency response in main directions of the CDtire wheel center at different rolling speeds is analyzed. The results show that comparing the two conditions of tire rolling at 40 and 60 km/h， the in-plane radial vibration response of the second order modal is bigger at 40km/h， with a higher road noise level of the former in corresponding frequency， which is verified in road noise test of real vehicles.

Key words: elastic ring model, tire rolling speed, in-plane radial modal, CDtire, road noise

张奔,唐腊梅,郭岩峰,毛杰,姚再起. 滚动速度对轮胎面内径向振动及路噪的影响研究与验证[J]. 汽车工程, 2023, 45(2): 324-332.

Ben Zhang,Lamei Tang,Yanfeng Guo,Jie Mao,Zaiqi Yao. Study and Validation on the Influence of Rolling Speed on Tire In-plane Radial Vibration and Road Noise[J]. Automotive Engineering, 2023, 45(2): 324-332.

图/表 18

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节点行数	不同速度加载延迟时间/s
节点行数	40 km/h	60 km/h
1	0.000 0	0.000 0
2	0.000 6	0.000 4
3	0.001 3	0.000 8
4	0.001 9	0.001 3
5	0.002 5	0.001 7
6	0.003 1	0.002 1
7	0.003 8	0.002 5
8	0.004 4	0.002 9
9	0.005 0	0.003 3
10	0.005 6	0.003 8
11	0.006 3	0.004 2

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