Analysis of Aerodynamic and Aeroacoustic Behaviour of a Simplified High-Speed Train Bogie

被引：10
|
作者：
Zhu, J. Y. [1 ]
Hu, Z. W. [1 ]
Thompson, D. J. [2 ]
机构：
[1] Univ Southampton, Fac Engn & Environm, Aerodynam & Flight Mech Res Grp, Southampton SO17 1BJ, Hants, England
[2] Univ Southampton, Inst Sound & Vibrat Res, Southampton SO17 1BJ, Hants, England
来源：
NOISE AND VIBRATION MITIGATION FOR RAIL TRANSPORTATION SYSTEMS | 2015年 / 126卷
关键词：
NOISE;
D O I：
10.1007/978-3-662-44832-8_57
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
As one of the main aerodynamic noise sources of high-speed trains, the bogie is a complex structure containing many components and the flow around it is extremely dynamic with high-level turbulence. Flow around a simplified bogie at scale 1:10 is studied numerically using computational fluid dynamics for comparison with experimental measurements. The upstream inlet flow is represented as a steady uniform flow of low turbulence level in the simulations. Following a rigorous grid refinement study, multi-block fully structured meshes are generated for all cases to improve numerical efficiency and accuracy. The aerodynamic and aeroacoustic behaviour of the flow past an isolated wheelset, tandem wheelsets and a simplified bogie are investigated.
引用
收藏
页码：489 / 496
页数：8
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