The influence of different cross-section shapes of train body on aerodynamic performance
文献类型：会议论文
| 作者 | Liu CH(刘晨辉) ; Guo DL(郭迪龙); Yao SB(姚拴宝); Yang GW(杨国伟); Liu CH(刘晨辉)
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| 出版日期 | 2012 |
| 会议名称 | 1st International Workshop on High-Speed and Intercity Railways, IWHIR 2011 |
| 会议日期 | JULY 19-22, 2011 |
| 会议地点 | Shenzhen, Hong Kong, China |
| 关键词 | Air pressure pulse cross-section shape aerodynamic performance numerical simulation |
| 卷号 | LNEE 148 |
| 页码 | 19-30 |
| 通讯作者 | 刘晨辉 |
| 中文摘要 | In this paper, the influence of different cross-section shapes of train body on aerodynamic performance has been investigated by numerical simulations. Computational fluid dynamics (CFD) is used with the second-order finite volume method with SST k-omega turbulence model. The results indicate that the aerodynamic performance is strongly affected by different cross-section shapes of train body, such as cross-sectional area, width-to-height ratio of cross-section, cross-section with straight or curved sides, etc.. Firstly, the drag coefficient and the overturning moment increase as the sides of cross-section become more curved. Secondly, the drag coefficient and the overturning moment are reduced as the width-to-height ratio of the cross-section is increased when the cross-sectional area is kept as a constant. Finally, air pressure pulse produced by two trains passing by in tunnel is approximately proportional to the cross-sectional area in a certain range and is independent to the cross-section shapes. Numerical results can be used for aerodynamic shape design of high speed trains. |
| 收录类别 | EI |
| 产权排序 | 1 National Key Laboratory of High-Temperature Gas Dynamics, Institute of Mechanics of CAS, Beijing, China |
| 会议主办者 | The Hong Kong Polytechnic University,Hong Kong,China |
| 会议网址 | http://dx.doi.org/10.1007/978-3-642-27963-8_3 |
| 会议录 | Proceedings of the 1st International Workshop on High-Speed and Intercity Railways, Vol.2
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| 会议录出版者 | Springer Verlag |
| 会议录出版地 | Tiergartenstrasse 17, Heidelberg, D-69121, Germany |
| 语种 | 英语 |
| ISSN号 | 1876-1100 |
| ISBN号 | 978-3-642-27962-1 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/46798]  |
| 专题 | 力学研究所_流固耦合系统力学重点实验室(2012-) |
| 通讯作者 | Liu CH(刘晨辉) |
| 推荐引用方式 GB/T 7714 | Liu CH,Guo DL,Yao SB,et al. The influence of different cross-section shapes of train body on aerodynamic performance[C]. 见:1st International Workshop on High-Speed and Intercity Railways, IWHIR 2011. Shenzhen, Hong Kong, China. JULY 19-22, 2011.http://dx.doi.org/10.1007/978-3-642-27963-8_3. |
入库方式： OAI收割
来源：力学研究所
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