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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Slug flow in small diameter pipes and T-junctions
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Slug flow in small diameter pipes and T-junctions

机译：小直径管道和T型接头中的团状流

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To date, the majority of all experiments investigating phase split at T-junctions have been conducted using air-water at near atmospheric pressures in pipes greater than about 10 mm in diameter. The research reported here has studied the split of air-water flows using a 0.005 m T-junction with all pipes in the horizontal plane. Analysis of the phase split has been confined to the slug flow regime for four gas superficial velocities, 1.14, 1.82, 2.28, 4.56 m/s, and three liquid superficial velocities, 0.093, 0.166, 0.313 m/s. For each experimental run the pressure at the T-junction was maintained at 148 kPa. This compliments previous research conducted on the same rig when the flow pattern was annular or stratified. Qualitative and quantitative results of the slug flow under the differing gas and liquid inlet superficial velocities were obtained using a high-speed video. Footage was recorded of both the fully developed slug flow and how this flow divided at the T-junction. Measured properties of the slug flow were compared with previously published methods for predicting slug flow variables. (c) 2005 Elsevier Inc. All rights reserved.
机译：迄今为止，所有研究T形结相分离的所有实验都是在直径约10毫米以上的管道中在接近大气压的情况下使用空气-水进行的。此处报道的研究使用0.005 m的T型接头研究了空气-水流的分流，所有水管均在水平面内。相分离的分析仅限于四种气体表观速度（1.14、1.82、2.28、4.56 m / s）和三种液体表观速度（0.093、0.166、0.313 m / s）的团状流态。对于每个实验运行，T形结处的压力均保持在148 kPa。当流动模式为环形或分层时，这是对先前在同一台钻机上进行的研究的补充。使用高速视频获得了在不同的气体和液体入口表观速度下的团状流的定性和定量结果。记录了充分发展的团状流以及该流在T形结处的划分情况。将弹团流量的测量特性与先前发布的预测弹团流量变量的方法进行了比较。 （c）2005 Elsevier Inc.保留所有权利。

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