IMECH-IR  > 流固耦合系统力学重点实验室
Effects of accessory parts topology on the aerodynamics of high-speed trains
Zhang Y(张业); Sun ZX(孙振旭); Guo DL(郭迪龙); Yang GW(杨国伟)
2016
会议名称THE THIRD INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
会议日期5-8 April 2016
会议地点Cagliari, Sardinia, Italy 
会议录名称Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance
摘要As the running speed of high-speed trains increases, aerodynamic drag becomes the key factor which limits the further increase. The aerodynamic drag of high-speed trains can be up to three quarters of the total drag at the speed of 300 km/h. Pantographs, bogies, shields and other accessory parts are an important source of aerodynamic drag. In the present paper, for six pantographs platform types, three drainage types and three bogie cabin types, their aerodynamic performance and effects on aerodynamics of high-speed trains are analyzed in detail at the speed of 350km/h. The results show that sunk type pantograph platform and bogie cabins without chamfer have better aerodynamic performance, while arcwise drainage can both reduce the aerodynamic drag of the whole train and lift coefficient of the trailing car. The results are helpful to the local drag-reduced optimization. © Civil-Comp Press, 2016.
关键词Aerodynamics Bogies (railroad rolling stock) Electric current collection Pantographs Railroad cars Railroads Speed Topology Vehicle performance Aero dynamic performance High speed train (HST) Key factors Lift coefficient Local optimizations Running speed Total drags
ISBN号978-1-905088-65-2
收录类别EI
语种英语
文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/78026
专题流固耦合系统力学重点实验室
作者单位Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Science, Beijing, China
推荐引用方式
GB/T 7714
Zhang Y,Sun ZX,Guo DL,et al. Effects of accessory parts topology on the aerodynamics of high-speed trains[C],2016.
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