Tire tread block dynamics
Fuente:
arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866917294349746176 |
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| author | Miyashita, N. Persson, B. N. J. |
| author_facet | Miyashita, N. Persson, B. N. J. |
| contents | Temperature has a crucial influence on rubber friction and tire dynamics. The temperature field in a rubber tread block is the sum of the background temperature $T_0({\bf x},t)$, which varies slowly in time and space, and the flash temperature $ΔT({\bf x},t)$, which in nonzero only close to the macroasperity contact regions, and which varies rapidly in time often on the millisecond time scale. Here we study the motion of a single tire tread block and how it is influenced by the flash temperature. We also present a theory and experimental results for the size of the macroasperity contact regions. In particular, we show that for a large enough nominal contact area, in most cases the diameter $D$ of the macroasperity contact regions are nearly independent of the elastic modulus and the nominal contact pressure. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_22078 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Tire tread block dynamics Miyashita, N. Persson, B. N. J. Soft Condensed Matter Temperature has a crucial influence on rubber friction and tire dynamics. The temperature field in a rubber tread block is the sum of the background temperature $T_0({\bf x},t)$, which varies slowly in time and space, and the flash temperature $ΔT({\bf x},t)$, which in nonzero only close to the macroasperity contact regions, and which varies rapidly in time often on the millisecond time scale. Here we study the motion of a single tire tread block and how it is influenced by the flash temperature. We also present a theory and experimental results for the size of the macroasperity contact regions. In particular, we show that for a large enough nominal contact area, in most cases the diameter $D$ of the macroasperity contact regions are nearly independent of the elastic modulus and the nominal contact pressure. |
| title | Tire tread block dynamics |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2602.22078 |