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高速列车气动阻力分布特性研究 被引量：73

Distribution of High-speed Train Aerodynamic Drag
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摘要 针对由8辆车组成的CRH3型动车组的实际外形,生成约1.6亿个计算网格,采用大规模并行计算,模拟单列高速列车在明线轨道上以350km/h速度运行时的气流流场,并对列车各组成部分的气动阻力特性进行统计和归类,给出各部件气动阻力对列车总气动阻力的贡献,为高速列车局部减阻优化设计提供参考。 For the real configuration of CRH3 with the head ＋ six carriages 350 km/h in the open air, the flow field was massively parallel-simulated grids. The aerodynamic drag of various components was calculated and the total train drag was analyzed. The results are helpful to local drag-reduced ＋ tail train combination running at with 160 million of computational component drag contribution to the optimization.
作者 姚拴宝 郭迪龙 杨国伟 李明高
机构地区 中国科学院力学研究所 中国北车唐山轨道客车责任有限公司产品研发中心
出处 《铁道学报》 EI CAS CSCD 北大核心 2012年第7期18-23,共6页 Journal of the China Railway Society
基金 国家科技支撑计划(2009BAG12A00)
关键词 高速列车 复杂外形 气动阻力 数值模拟 high-speed train complex shape aerodynamic drag numerical simulation
分类号 U238 [交通运输工程—道路与铁道工程]
  • 相关文献

参考文献14

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二级参考文献15

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共引文献22

同被引文献574

引证文献73

二级引证文献403

铁道学报
2012年 第7期

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