轮轨粘着问题的微观模型研究  

On the Micro Model of Wheel/Rail Adhesion

作　　者：孙琼[1] 臧其吉[1] 陈泽深[1] 

机构地区：[1]铁道部科学研究院

出　　处：《中国铁道科学》1998年第2期1-9,共9页China Railway Science

基　　金：国家自然科学基金

摘　　要：将微观摩擦学和轮轨滚动接触理论创造性地结合在一起，建立了轮轨粘着的微观研究模型，获得了新的轮轨粘滑特性曲线，对轮轨粘着系数随列车速度的提高而下降的原因作出了理论解释。Creatively combining the wheel/rail rolling contact theory with micro tribology,a micro model of wheel/rail adhesion has been founded as described in the present paper.New wheel/rail adhesion slip characteristics curves have been obtained and a theoretical explanation to the decrease of wheel/rail adhesion coefficient with the increase of train speed has been achieved.

关 键 词：轮轨粘着 微观模型 铁路 滚动摩擦力 

分 类 号：U260.115[机械工程—车辆工程] U270.11[交通运输工程—载运工具运用工程]