| 复杂花纹轿车子午线轮胎带束层结构对轮胎高速温度场的影响研究 |
| Study on Influence of Belt Structure on High-speed Temperature Field of PCR Tire with Complex Pattern |
| 投稿时间：2021-08-16 修订日期：2021-08-16 |
| DOI：10.12136/j.issn.1000-890X.2022.08.0578 |
| 中文关键词: 轿车子午线轮胎 复杂花纹 带束层 高速温度场 帘布层转向效应 有限元分析 |
| 英文关键词: PCR tire complex pattern belt high-speed temperature field cord steering effect finite element analysis |
| 基金项目: |
|
| 摘要点击次数: 937 |
| 全文下载次数: 786 |
| 中文摘要: |
| 对复杂花纹轿车子午线轮胎进行3D建模和高速生热仿真分析，从热力学角度研究带束层结构对轮胎高速温度场的影响，分析帘布层转向效应与花纹结构耦合延缓或加速材料疲劳失效的机理。结果表明：轮胎高速生热与带束层结构参数的相关性从大到小依次为带束层帘线角度、带束层总宽度和带束层帘线经密度；在考察的轮胎行驶速度区间内，行驶速度每提升20 km·h-1，轮胎各易失效观测点的温度提升幅度均大于3 ℃，且轮胎模型左右两侧相同观测点的温度差值随着行驶速度的提升呈增大趋势；胎面花纹沟槽结构对轮胎内部热量的快速扩散有非常重要的作用，合理的花纹结构能够减缓轮胎高速失效，但胎面花纹结构布置需要考虑帘布转向效应的影响，以避免两者相互耦合加速橡胶材料疲劳破坏。 |
| 英文摘要: |
| The 3D modeling and high-speed heat build-up simulation analysis of the PCR tire with
complex pattern were carried out. The influence of belt structure on the tire high-speed temperature field was
studied from the perspective of thermodynamics. The mechanism of delaying or accelerating material fatigue
failure by the coupling of cord steering effect and pattern structure was analyzed. The results showed that，
the correlation between tire high-speed heat build-up and belt structure parameters was，from large to small,
the belt cord angle，the total belt width and the belt cord warp density. In the tire driving speed range under
investigation，when the driving speed increased by 20 km·h-1，the temperature increase of each tire failure
observation point was greater than 3 ℃，and the temperature difference of the same observation point on the
left and right sides of the tire model increased with the increase of driving speed. The tread pattern groove
structure played a very important role in the rapid diffusion of heat inside the tire，and a reasonable pattern
structure could delay tire high-speed failure. However，the structural layout of the tread pattern needed to
consider the influence of cord steering effect in order to avoid the mutual interaction between the two which
might accelerate the fatigue failure of rubber materials. |
|
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
