Investigation of bogie positions on the aerodynamic drag and near wake structure of a high-speed train

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成果类型：

期刊论文

作者：

Gao, Guangjun;Li, Feng;He, Kan;Wang, Jiabin;Zhang, Jie*;...

通讯作者：

Zhang, Jie

作者机构：

[He, Kan; Li, Feng; Wang, Jiabin; Zhang, Jie; Gao, Guangjun] Cent S Univ, Key Lab Traff Safety Track, Minist Educ, Changsha 410075, Hunan, Peoples R China.

[He, Kan; Li, Feng; Wang, Jiabin; Zhang, Jie; Gao, Guangjun] Joint Int Res Lab Key Technol Rail Traff Safety, Changsha 410075, Hunan, Peoples R China.

[He, Kan; Li, Feng; Wang, Jiabin; Zhang, Jie; Gao, Guangjun] Natl & Local Joint Engn Res Ctr Safety Technol Ra, Changsha 410075, Hunan, Peoples R China.

[Miao, Xiujuan] Changsha Univ Sci & Technol, Coll Automot & Mech Engn, Changsha 410076, Hunan, Peoples R China.

[Miao, Xiujuan] Key Lab Safety Design & Reliabil Technol Engn Veh, Changsha 410076, Hunan, Peoples R China.

通讯机构：

[Zhang, Jie] C

Cent S Univ, Key Lab Traff Safety Track, Minist Educ, Changsha 410075, Hunan, Peoples R China.

语种：

英文

关键词：

Aerodynamics;Bogies (railroad rolling stock);Drag reduction;Navier Stokes equations;Railroad cars;Railroad transportation;Railroads;Rhenium compounds;Speed;Turbulence models;Vehicle performance;Wakes;Wind tunnels;Aero-dynamic performance;Aerodynamic drag force;Bogie position;High speed train (HST);Near-wake structure;RANS;Two-equation turbulence models;Wind tunnel tests;Aerodynamic drag

期刊：

Journal of Wind Engineering and Industrial Aerodynamics

ISSN：

0167-6105

年：

2019

卷：

185

页码：

41-53

DOI：

10.1016/j.jweia.2018.10.012

基金类别：

This work was supported by the National Key Research and Development Program of China (Grant No. 2016YFB1200404 ), the Profound Study on Anti-snow Packing in High and Cold EMU’s Bogie Regions (Grant No. SF/JS-MAZI-2016-570 ), the National Natural Science Foundation of China (Grant No. 51605044 ) and the Open Fund of Key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle of Hunan Province, China (Grant No. KF1607 ).

机构署名：

本校为其他机构

院系归属：

汽车与机械工程学院

摘要：

As train speed increases, the aerodynamic drag reduction becomes increasingly significant. The aim of this paper is to find out appropriate bogie positions to reduce the drag of a high-speed train. In this paper, based on the three-dimensional steady incompressible Reynolds-averaged N-S equations and the Realizable k-ε two-equation turbulence model, the effects of bogie positions on the aerodynamic performance and near wake of the three-carriage high-speed train are presented. The mesh resolution and methodology are validated against wind tunn...

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Investigation of bogie positions on the aerodynamic drag and near wake structure of a high-speed train

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