Drift-flux correlation for upward two-phase flow in inclined pipes

被引：13

作者：

Dong, Chuanshuai ^{[1
]}

Rassame, Somboon ^{[2
]}

Zhang, Lizhi ^{[1
]}

Hibiki, Takashi ^{[3
]}

机构：

[1] South China Univ Technol, Sch Chem & Chem Engn, Key Lab Enhanced Heat Transfer & Energy Conservat, Guangzhou 510640, Peoples R China

[2] Chulalongkorn Univ, Fac Engn, Dept Nucl Engn, Bangkok 10330, Thailand

[3] Purdue Univ, Sch Nucl Engn, 400 Cent Dr, W Lafayette, IN 47907 USA

来源：

CHEMICAL ENGINEERING SCIENCE | 2020年 / 213卷

基金：

中国国家自然科学基金;

关键词：

Drift-flux model; Void fraction; Upward two-phase flows; Inclined pipe; VOID FRACTION; SLUG FLOW; MODEL; VELOCITY; TUBE;

D O I：

10.1016/j.ces.2019.115395

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In view of the practical importance of the drift-flux model to predict void fraction for gas-liquid flow in various engineering fields including chemical engineering, this study aims at developing a drift-flux correlation with a wide range of applicability for upward two-phase flows in inclined pipes. Firstly, over 3000 experimental data of void fraction were collected from 14 sources. Then, the correlations of distribution parameter and void-fraction-weighted-mean drift velocity were established. The comparison between the collected database and correlations indicated none of the existing correlations could predict the whole database satisfactorily. Therefore, the dependence of drift-flux parameters on inclination angles was comprehensively analysed, and a new drift-flux correlation was developed. The newly-developed drift-flux correlation demonstrated superior performance to existing correlations. More than 95% of the predicted void fraction were predicted within +/- 20% error. In summary, the newly-developed drift-flux correlation is useful to predict void fraction in various engineering fields including chemical engineering. (C) 2019 Elsevier Ltd. All rights reserved.

引用

页数：20

共 28 条

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