| 轮胎充气压力损失仿真研究 |
| Research on Tire Inflation Pressure Loss Simulation |
| 投稿时间：2018-12-19 修订日期：2018-12-19 |
| DOI：10.12136/j.issn.1000-890X.2019.08.0606 |
| 中文关键词: 轮胎 充气压力损失率 气体扩散 有限元仿真 |
| 英文关键词: tire IPLR gas diffusion finite element simulation |
| 基金项目:国家自然科学基金资助项目（51675240） |
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| 中文摘要: |
| 虑轮胎各层结构不同胶料的透气性差异和瞬态气体扩散过程，建立更准确的有限元模型仿真轮胎充气压力损失过程，预测轮胎的充气压力损失率。结果表明，轮胎充气压力损失的预测结果与试验结果的误差在10%以内，说明所建立的有限元模型能够较准确地仿真轮胎的充气压力损失过程。该研究可为进一步优化轮胎气密性设计及研究轮胎老化提供理论基础。 |
| 英文摘要: |
| Considering the gas permeability difference and the transient gas diffusion process of tire structural compounds，a more accurate finite element model was established to simulate the tire inflation pressure loss process，and predict the tire inflation pressure loss rate（IPLR）.The results showed that the difference of simulation value with test value on the tire IPLR was within 10%，which illustrated the finite element model could accurately describe the tire inflation pressure loss process.This development would help improve the tire pressure retention performance and support the tire aging research. |
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