| 低断面轿车子午线轮胎PDEP设计理论 |
| PDEP Concept of Low Profile Radial Car Tire |
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| DOI： |
| 中文关键词: 轿车子午线轮胎 有限元法 滚动阻力 乘坐舒适性 接地面积 |
| 英文关键词: radial car tire FEM rolling resistance comfortable ride ground contact area |
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| 中文摘要: |
| 预应力和动平衡轮廓设计理论(PDEP)运用有限元法，以轮胎的预应力轮廓和动平衡轮廓为设计基准，充分考虑轮胎动态变形，通过改变在模型内的胎体轮廓来实现对带束层和胎圈施加张力，使其达到最佳动态平衡状态。通过优化负荷下轮胎的接地印痕和压力分布，达到相同条件下滚动半径增大，并控制带束层张力分布。采用PDEP理论设计胎体轮廓，可以提高轮胎的高速性能和乘坐舒适性。 |
| 英文摘要: |
| PDEP(Prestressed and Dynamic Equilibrium Profile) concept for tire design has been developed.Acording to this coneept，the tire is designed using FEM on the basis of prestressed and dynamic equilibrium profile.The dynamic deformation of the tire is fully considered and the tyre profile in the mold is changed to apply the tension of the belt and beads and thus to reach the optimum dynamic equilibrium.The foot Print and pressure distribution at ground contaet area of tire under load are optimized to inerease the rolling radius at the same conditions and control the tension distribution in the belt.The performance and comfortable ride of tire at high speed can be improved when the tire profile is designed based on the PDEP coneept. |
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