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高速列车受电弓非定常气动特性研究
郭迪龙; 姚拴宝; 刘晨辉; 杨国伟
Source Publication高温气体动力学研究进展
2011
Pages256-264
Conference NameLHD2011夏季学术研讨会
Conference Date2011
Conference Place内蒙赤峰
Abstract采用脱体涡模拟(DES),对高速列车受电弓的非定常气动特性进行了研究。研究表明受电弓脱体涡的强度、脱落频率对受电弓气动升力系数影响很大。无横风条件下,本文所研究的受电弓受到的升力为负升力,列车运行速度为350km/h 时,其升力的波动幅度达110%,速度增加,其波动幅度增大,频率增大,受电弓的横向受力很小。横风条件下,受电弓的升力振动频率与无横风时有很大不同,升力系数变化不大,侧向力随着横风速度的增大而增大。
Keyword受电弓 升力系数 脱体涡模拟 振动中图分类号 U238 文献标识码a 文章编号
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/311007/47946
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
郭迪龙,姚拴宝,刘晨辉,等. 高速列车受电弓非定常气动特性研究[C]高温气体动力学研究进展,2011:256-264.
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