IMECH-IR  > 高温气体动力学国家重点实验室
高速列车断面外形对列车气动性能的影响
刘晨辉; 郭迪龙; 姚拴宝; 杨国伟
Source Publication高温气体动力学研究进展
2011
Pages210-219
Conference NameLHD2011夏季学术研讨会
Conference Date2011
Conference Place内蒙赤峰
Abstract本文通过数值模拟,研究了明线运行、隧道交会等工况下,不同断面外形对高速列车气动性能的影响。研究表明不同车体断面外形(断面面积、扁宽形与瘦长形、直壁形与鼓壁形)对列车气动性能影响很大,其中鼓壁断面比直壁断面的阻力系数小;相同断面面积下,扁宽形车体的阻力系数较小;列车所受的倾覆力矩系数随着车体断面圆弧弧度的增大而减小;列车交会压力波与断面面积在一定范围成近似线性关系,受断面外形影响不大。通过以上的研究,可以为列车气动外形设计优化提供科学依据。
Keyword气动性能 数值模拟 断面外形 横风效应 交会压力波
DepartmentLMFS流固耦合与数值计算(LHO)
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47941
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
刘晨辉,郭迪龙,姚拴宝,等. 高速列车断面外形对列车气动性能的影响[C]高温气体动力学研究进展,2011:210-219.
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