基于弹流润滑的轮胎滑水性能研究  

Research on Tire Hydroplaning Based on Elastohydrodynamic Lubrication

作　　者：张丽霞 张文彩 潘福全 冯停 ZHANG Li-xia;ZHANG Wen-cai;PANFu-quan;FENG Ting(School of Mechanical&Automotive Engineering,Qingdao University of Technology,Shandong Qingdao 266520,China)

机构地区：[1]青岛理工大学机械与汽车工程学院,山东青岛266520

出　　处：《机械设计与制造》2022年第12期52-57,63,共7页Machinery Design & Manufacture

基　　金：国家自然科学基金(51505244);山东省重点研发计划项目(2018GGX105009)。

摘　　要：为了探索湿滑路面上影响轮胎滑水的相关因素,基于弹流润滑理论,运用多重网格法求解轮胎滑水模型的雷诺方程和水膜厚度方程,通过FORTRAN软件得到车速和载荷分别对水膜厚度和流体压力的影响。结果表明:湿滑路面速度增加时,水膜厚度增厚,动水压力变小,轮胎下的液体不易排出,轮胎的滑水性能增强,抗滑水性能减弱;载荷增加时,水膜厚度变薄,动水压力变大,轮胎下的液体容易流出,轮胎的抗滑水性能增强。得出的结果符合弹流润滑特性理论,完善了轮胎滑水的理论模型,为轮胎改良设计提供参考。In order to explore the relevant effect factors of hydroplaning of vehicle tire on wet roads,based on the theory of elastohydrodynamic lubrication,the multi-grid method was used to resolve the Reynolds equation and the water film thickness equation of hydroplaning of vehicle tire model. The influence of vehicle speed and load on the water film thickness and fluid pressure were obtained by FORTRAN software. The results show that as the speed of wet roads increases,the thickness of the water film increases,the dynamic water pressure decreases,and the liquid under the tire is not easy to drain,the hydroplaning performance of the tire is enhanced,and the anti-hydroplaning performance is weakened. When the load is increased,the water film thickness is changed,the dynamic water pressure becomes larger,the liquid under the tire easily flows out,and the anti-hydroplaning performance of the tire is enhanced. The results obtained are in accordance with the theory of elastohydrodynamic lubrication characteristics,which improves the theoretical model of tire water hydroplaning and provides a reference for tire improvement design.

关 键 词：轮胎滑水 水膜厚度 弹流润滑理论 多重网格法 

分 类 号：TH16[机械工程—机械制造及自动化] U467.3[机械工程—车辆工程]