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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 >Experimental research on the correlations of holdup and frictional pressure drop in air-water two-phase flow in a capillary rectangular channel
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Experimental research on the correlations of holdup and frictional pressure drop in air-water two-phase flow in a capillary rectangular channel

机译：毛细管矩形通道内气水两相流滞留率与摩擦压降相关性的实验研究

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摘要

In order to clarify the flow phenomena of gas-liquid two-phase flow in a capillary rectangular channel, the flow patterns, the passing frequency and the velocity of the liquid lump, the holdup and the frictional pressure drop in vertical upward and horizontal flow were investigated experimentally. The dimension of the channel used was 9.9 min x 1.1 mm. The orientations of the channel were with the wide side vertical and the wide side horizontal. The differences between the flow characteristics in such orientations were investigated. The effects of the orientation of the duct, the aspect ratio of the cross section of the channel, superficial gas velocity and superficial liquid velocity on those two-phase flow parameters were examined. New correlations of holdup and frictional pressure drop for a capillary channel are proposed in which the effect of the aspect ratio, non-dimensional parameters such as Reynolds number and Capillary number and so on have been taken into consideration. (C) 2005 Elsevier Inc. All rights reserved.
机译：为了弄清气液两相流在毛细管矩形通道中的流动现象，在垂直向上和水平流中的流动方式，通过频率和液体团块的速度，滞留率和摩擦压降为经过实验研究。所用通道的尺寸为9.9分钟x 1.1毫米。通道的方向是宽边垂直和宽边水平。研究了在这些方向上的流动特性之间的差异。研究了管道方向，通道横截面的纵横比，表观气体速度和表观液体速度对这些两相流参数的影响。提出了一种新的毛细通道滞留量与摩擦压降的相关性，其中考虑了纵横比，雷诺数和毛细数等无量纲参数的影响。 （C）2005 Elsevier Inc.保留所有权利。

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