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港口散粮定量装车工艺简介 被引量:2
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作者 秦子君 《起重运输机械》 北大核心 2007年第7期81-83,共3页
介绍港口散粮装火车工艺、装车楼结构形式。
关键词 单斗非连续累计秤 多斗累计定量秤 单斗定量秤 摆动式装车溜管 伸缩式装车溜管 火车移 车(定位)系统
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Relative Flow Analysis around Passing-Train in the Single-Bore Subway Tunnel with Vertical Ventilation Using Moving IBM 被引量:1
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作者 Yong-Jun Jang 《Journal of Energy and Power Engineering》 2014年第8期1482-1486,共5页
Moving IBM (immersed boundary method) is applied to analyze the relative motion of railway car flow in the single-bore subway tunnel with vertical ventilation. The tested car body is modeled by cylinder type body. T... Moving IBM (immersed boundary method) is applied to analyze the relative motion of railway car flow in the single-bore subway tunnel with vertical ventilation. The tested car body is modeled by cylinder type body. The subway tunnel is assumed to be the single-car-passing straight type (single-bore tunnel). The modeled car is relatively moved forward. On the other hand, the tunnel and vertical ventilation are fixed. The momentum equations are solved by LES (large eddy simulation) method. The initial condition of fluid in the subway tunnel is stationary. The Reynolds number is 1,500 based on the cylinder radius. The turbulent flow field in the subway tunnel and vertical ventilation shaft are to be qualitatively investigated. 展开更多
关键词 Moving IBM LES subway tunnel vertical ventilation FDS (fire dynamics simulator)
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