Abstract The material properties of the rubber compounds, which are highly dependent on temperature, have a vital role in the tire behavior. A comprehensive study on the effect of the rubber properties on tire performance, for different temperatures, as well as different road conditions is required to adequately predict the performance of tires on ice. In this study, a theoretical model has been developed for the tire-ice interaction. The temperature changes obtained from the model are used to calculate the height of the water film created by the heat generated due to the friction force. Next, the viscous friction coefficient at the contact patch is obtained. By using the thermal balance equation at the contact patch, the dry friction is obtained. Knowing the friction coefficients for the dry and wet regions, the equivalent friction coefficient is calculated. The model has been validated using experimental results for three similar tires with different rubber compounds properties. The model developed can be used to predict the temperature changes at the contact patch, the tire friction force, the areas of wet and dry regions, the height of the water film for different ice temperatures, different normal load, etc.

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用于模拟橡胶化合物对轮胎性能影响的轮胎冰模型开发

摘要 橡胶化合物的材料特性高度依赖于温度，在轮胎性能中起着至关重要的作用。需要全面研究橡胶特性对不同温度和不同道路条件下轮胎性能的影响，以充分预测轮胎在冰上的性能。在这项研究中，已经开发了轮胎-冰相互作用的理论模型。从模型获得的温度变化用于计算由摩擦力产生的热量产生的水膜的高度。接下来，获得接触面处的粘性摩擦系数。通过使用接触面处的热平衡方程，获得干摩擦。知道干湿区域的摩擦系数，计算等效摩擦系数。该模型已使用具有不同橡胶化合物特性的三个类似轮胎的实验结果进行了验证。开发的模型可用于预测不同冰温、不同法向载荷下接触面温度变化、轮胎摩擦力、干湿区面积、水膜高度等。