地铁车辆车轮椭圆度对踏面磨耗影响的仿真计算

Urban Mass Transit(2015)

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Abstract
通过对某型地铁车辆数值仿真,计算和分析不同椭圆度轮对的动力学性能、踏面磨耗情况.仿真计算表明,椭圆轮对的竖向力增加量最大.当地铁车辆在直线和曲线上运行时,椭圆轮对与标准轮对相比,其磨耗范围和磨耗量的变化趋势不同,椭圆度越大,踏面磨耗范围和损耗速度越大.
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