| Study on Simulation Method and Influencing Factors of Tire Inflation Pressure Loss |
| Received:December 29, 2020 Revised:December 29, 2020 |
| DOI：10.12136/j.issn.1000-890X.2021.10.0729 |
| Key Words: tire；IPLR；oxygen consumption；gas diffusion；inner liner；finite element analysis model |
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| Abstract: |
| Considering tire different part compound oxygen gas consumption and gas diffusion process，the finite element analysis model of tire inflation pressure loss was established，and the effects of tire inner liner compound formula，inner liner structure，inflation medium and inflation pressure on tire inflation pressure loss rate （IPLR） were studied.The results showed that the prediction accuracy of tire inflation pressure loss finite element analysis model could be effectively improved by considering compound oxygen gas consumption.The inner liner compound formula and inflation medium nitrogen gas/oxygen gas volume ratio had obvious effects on tire IPLR，there was an approximate linear relationship between the inner liner thickness and tire IPLR，and inflation pressure had little effect on tire IPLR. |
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