30t轴重货车车轮热应力分析  

Temperature and Stress Analysis of Wheels for 30t Axle-load Freight Car

作　　者：向阳[1] 傅茂海[1] 马鹏[1] 刘运兵[1] 

机构地区：[1]西南交通大学机械工程学院,四川成都610031

出　　处：《铁道机车车辆》2010年第6期29-32,共4页Railway Locomotive & Car

摘　　要：热损伤是重载货车车轮失效的主要原因之一。分析了30t轴重货车不同轮径的车轮在紧急制动工况下的温度场和热应力场,通过分析比较,得出30t轴重货车车轮直径的建议值。Thermal damage is one of the main reasons for the failure of heavy-haul freight car.The temperature field and thermal stress of the different diameter wheels for 30 t Axle-load freight car are analyzed.Through the comparision between results,the best diameter value for 30 t Axle-load freight car is obtained.

关 键 词：轴重 轮径 温度场 应力场 

分 类 号：U292.921[交通运输工程—交通运输规划与管理]