Experimental Studies on Three-Layer Flow Pattern in Oil-Water Horizontal Flow

DHURJATI PRASAD CHAKRABARTI; GARGI DAS

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Experimental Studies on Three-Layer Flow Pattern in Oil-Water Horizontal Flow

机译：油水水平流三层流场实验研究

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The three layer (TL) flow pattern, which occurs during the cocurrent flow of two immiscible liquids, is studied in detail. The pressure gradient and in situ volume fraction are estimated. The experimental work is performed in a 25 mm diameter, horizontal, perspex (PMMA) tube, using water and kerosene (1.2mPa s viscosity and 787 kg/m~3 density) as test fluids. The identification of the TL flow pattern boundaries is achieved with the use of an optical probe and its probability density function analysis. Measurements are made for single-phase velocities ranging from 0.03 -2.5 m/s. TL flow appears at intermediate mixture velocities between stratified and dispersed flows. The separated flow model using energy considerations and standard homogeneous model are not able to predict the pressure gradient and hold-up in every region of TL flow.

机译：详细研究了两种不混溶液体并流时发生的三层（TL）流动模式。估计压力梯度和原位体积分数。实验工作是在直径为25 mm的水平，有机玻璃（PMMA）管中进行的，使用水和煤油（1.2mPa s的粘度和787 kg / m〜3的密度）作为测试液。 TL流动模式边界的识别是通过使用光学探针及其概率密度函数分析来实现的。测量的单相速度范围为0.03 -2.5 m / s。 TL流出现在分层流和分散流之间的中间混合物速度处。使用能量考虑因素的分离流动模型和标准均质模型无法预测TL流动的每个区域中的压力梯度和保持率。

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来源
《International Journal of Transport Phenomena》 |2012年第1期|p.1-14|共14页
作者
DHURJATI PRASAD CHAKRABARTI; GARGI DAS;
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作者单位

Department of Chemical Engineering, The University of The West Indies, St. Augustine, Trinidad & Tobago;

Department of Chemical Engineering, Indian Institute of Technology, Kharagpur, India;

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正文语种 eng
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关键词
liquid-liquid flow; three layer; pressure gradient; hold-up; horizontal pipe; instability; contact angle;

机译：液流三层压力梯度耽误;水平管不稳定接触角;

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Experimental Studies on Three-Layer Flow Pattern in Oil-Water Horizontal Flow

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