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The influence of affiliated components and train length on the train wind
Guo DL(郭迪龙)1; Keming S2; Zhang Y(张业)1; Yang GW(杨国伟)1; Sun ZX(孙振旭)1
Source PublicationProceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance
Conference Date5-8 April 2016
Conference PlaceCagliari, Sardinia, Italy 
AbstractThe induced airflow from passing trains will generate an adverse impact to people near trains; especially the aerodynamic forces on the human body generated by a high-speed train wind which will endanger the safety of pedestrians or roadside workers. In this paper, the improved delayed detached eddy simulation method is used to study the train wind. The impact of the affiliated components and the length of the train on the train wind are analyzed. The results indicate that the affiliated components and the length of the train have no impact on the train wind in the region ahead of the leading nose. With the length of the train increasing, the longitudinal train wind in the downstream and wake region will increase along the train length, while the transverse train wind will not be affected. The affiliated components affect the train wind near the train, while in the region far away from the train the impact will be decreased greatly. © Civil-Comp Press, 2016.
KeywordPedestrian safety Railroad cars Railroad transportation Railroads Aerodynamic forces Affiliated components High speed train (HST) Human bodies Improved delayed detached eddy simulations Induced airflow Train model Wake region
Indexed ByEI
Document Type会议论文
Affiliation1.Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences, Beijing, China;
2.CSR Qingdao Sifang Co. Ltd., Qingdao, China
Recommended Citation
GB/T 7714
Guo DL,Keming S,Zhang Y,et al. The influence of affiliated components and train length on the train wind[C],2016.
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