Influences of affiliated components and train length on the train wind
查看参考文献17篇
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文摘
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The induced airflow from passing trains, which is recognized as train wind, usually has adverse impacts on people in the surroundings, i.e., the aerodynamic forces generated by a high-speed train's wind may act on the human body and endanger the safety of pedestrians or roadside workers. In this paper, an improved delayed detached eddy simulation (IDDES) method is used to study train wind. The effects of the affiliated components and train length on train wind are analyzed. The results indicate that the affiliated components and train length have no effect on train wind in the area in front of the leading nose. In the downstream and wake regions, the longitudinal train wind becomes stronger as the length of the train increases, while the transverse train wind is not affected. The presence of affiliated components strengthens the train wind in the near field of the train because of strong flow solid interactions but has limited effects on train wind in the far field. |
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来源
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Acta Mechanica Sinica
,2016,32(2):191-205 【核心库】
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DOI
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10.1007/s10409-015-0553-z
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关键词
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Train wind
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Simplified model
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Real train model
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Longitudinal train wind
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Transverse train wind
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Affiliated components
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地址
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1.
Institute of Mechanics, Chinese Academy of Sciences, Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Chinese Academy of Sciences, Beijing, 100190
2.
CSR Qingdao Sifang Co. Ltd., Qingdao, 266111
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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0567-7718 |
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学科
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铁路运输 |
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文献收藏号
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CSCD:5711001
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