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| 轮胎侧向松弛长度测试方法的研究 |
| Study on Test Method of Lateral Relaxation Length of Tire |
| Received:August 09, 2022 Revised:August 09, 2022 |
| DOI：10.12137/j.issn.2095-5448.2023.07.0353 |
| 中文关键词: 轿车子午线轮胎 侧向松弛长度 侧向刚度法 侧偏角阶跃法 测试 |
| 英文关键词: passenger car radial tire lateral relaxation length lateral stiffness method lateral slip angle step method test |
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| 中文摘要: |
| 针对不同规格的轿车子午线轮胎，研究不同测试条件下侧向刚度法和侧偏角阶跃法的侧向松弛长度测试结果。结果表明：侧向刚度法和侧偏角阶跃法得到的侧向松弛长度存在一定差异；小规格205/55R16轮胎在不同充气压力和负荷下的侧向松弛长度基本都小于较大规格225/50ZR17轮胎；两种测试方法得到的侧向松弛长度随充气压力和负荷的变化趋势具有一致性，但不同规格轮胎侧向松弛长度随测试条件的变化趋势有所差异。 |
| 英文摘要: |
| The lateral relaxation length test results with lateral stiffness method and lateral slip angle step method under different test conditions for radial tires of different specifications were studied.The results showed that there were difference between lateral relaxation length obtained by lateral stiffness method and lateral slip angle step method.The lateral relaxation length of small size 205/55R16 tire was less than that of large size 225/50ZR17 tire under different inflation pressure and load.With the variation of inflation pressure and load，the changing trend of lateral relaxation length obtained by the two test methods was consistent but the changing trend of lateral relaxation length of different tire specifications was different. |
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