IMECH-IR  > 流固耦合系统力学重点实验室
Alternative TitleCharacteristics of pressure wave induced by high speed trains meeting in open air
李现今; 刘晨辉; 杨国伟
Source Publication科学技术与工程
Other AbstractThe pressure wave caused by two trains meeting shows great effect on train running safety and passengers comfort.So it is necessary to study the pressure wave characteristics.The Reynolds Averaged N-S equations were numerically solved by utilizing CFD methods in order to simulate the three-dimensional unsteady China-made trains meeting process at different speeds.The time-history of pressure wave and side force were obtained.Results show that the maximal pressure wave amplitude is located at the tail of th...列车交会压力波是影响列车运行安全性和乘客舒适度的重要因素之一,因此需要对压力波特性进行研究。采用计算流体力学方法求解三维黏性可压缩N-S方程组,对不同时速下国产新型高速列车会车过程进行三维非定常仿真。得出了压力波以及侧向力的变化规律曲线。结果表明最大压力波幅值出现在尾车等截面与变截面过渡处的鼻尖高度位置。会车过程中,车体将承受两次排斥力和一次吸引力,这将对列车的稳定行驶产生一定的影响。列车所受侧向力随会车线间距的增大而减小。
Keyword高速列车 明线交会 压力波
Subject Area工业空气动力学
Funding Organization国家“973”计划项目(2011CB711100); 国家科技支撑计划项目(2009BAG12A03)资助
Document Type期刊论文
Corresponding Author李现今
Recommended Citation
GB/T 7714
李现今,刘晨辉,杨国伟. 高速列车明线交会压力波特性研究[J]. 科学技术与工程,2012,12(15):3689-3694.
APA 李现今,刘晨辉,&杨国伟.(2012).高速列车明线交会压力波特性研究.科学技术与工程,12(15),3689-3694.
MLA 李现今,et al."高速列车明线交会压力波特性研究".科学技术与工程 12.15(2012):3689-3694.
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