Abstract
Tire hydroplaning has become a direct inducement of wet-weather road accidents. The model of hydroplaning of the deformed rib tire with load was built with the help of CFD (Computational Fluid Dynamics) technology. The three-dimensional SST coupled with the Volume of Fluid (VOF) model was applied to numerically simulate the air-water two phase flow with free surface in tire hydroplaning. Based on the model of hydroplaning, the influence of water film and water velocity on tire hydroplaning were analyzed. Analysis shows that tire has a high pressure induced by water impact in the front of footprint; water flow is inclined to tire sidewall. The water velocity in different circumferential pattern is difference. There is an apparent impact of water film thickness and velocity on tire hydrodynamic pressure and the high pressure zone. Therefore, the results of this paper can give recommendations on drivers in the rainy weather.
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