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| 轿车子午线轮胎肩部花纹沟数量对轮胎性能的影响研究 |
| Study on Influnce of Shoulder Groove Numbers of Passenger Car Radial Tire on Tire Performance |
| Received:September 21, 2024 Revised:September 21, 2024 |
| DOI： |
| 中文关键词: 轿车子午线轮胎；胎肩；花纹沟；滚动阻力；侧偏特性；胎面磨损；有限元仿真 |
| 英文关键词: passenger car radial tire；tire shoulder；groove；rolling resistance；cornering property；tread wear；finite element simulation |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | ZHAI Mingrong* | Qingdao Lunyun Design And Research Institute Co., Ltd | zhaimingrong@126.com | | WANG Jun | Qingdao Doublestar Tire Industry Co., LTD | | | Song Meiqin | Qingdao Lunyun Design And Research Institute Co., Ltd | | | ZHUANG Lei | Qingdao Lunyun Design And Research Institute Co., Ltd | | | ZHEN Qiang | Qingdao Lunyun Design And Research Institute Co., Ltd | | | ZHU Jiashun | Qingdao Doublestar Tire Industry Co., LTD | |
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| 中文摘要: |
| 以225/45R17轿车子午线轮胎为研究对象，研究胎肩花纹沟数量对轮胎性能的影响。结果表明：当胎面花纹的纵向沟槽角度、深度和饱和度不变时，在一定范围内，增大胎肩花纹沟数量，轮胎滚动阻力和胎肩部位的温度均呈下降趋势，胎面磨损趋向均匀；低负荷条件下，增大胎肩花纹沟数量，轮胎侧偏刚度提高；胎肩花纹沟数量对侧向松弛长度的影响随着负荷的变化发生变化；当胎肩花纹沟数量为60和80个时，轮胎噪声声压较大。 |
| 英文摘要: |
| Taking 225/45R17 passenger car radial tire as the research object，the influences of the numbers of the shoulder grooves on the tire performance were studied.The results showed that，when the longitudinal groove angle，depth and block/total ratio of tread patterns remained unchanged，increasing the number of the shoulder grooves within a certain range leaded to a decrease in tire rolling resistance and temperature at the shoulder area，and a more uniform wear of the tread surface.Under low load conditions，increasing the number of the shoulder grooves could improve the lateral stiffness of the tire.The influence of the number of the shoulder grooves on the lateral relaxation length varied with the changes of the load.When the numbers of the shoulder grooves were 60 and 80，the tire noise pressures were relatively high. |
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