Gas/liquid flow behaviours in a downward section of large diameter vertical serpentine pipes

被引：37

作者：

Almabrok, Almabrok A. ^{[1
,2
]}

Aliyu, Aliyu M. ^{[1
]}

Lao, Liyun ^{[1
]}

Yeung, Hoi ^{[1
]}

机构：

[1] Cranfield Univ, Sch Energy Environm & Agrifood, Oil & Gas Engn Ctr, Cranfield MK43 0AL, Beds, England

[2] Sirte Univ, Dept Petr Engn, Fac Engn, Sirte, Libya

来源：

INTERNATIONAL JOURNAL OF MULTIPHASE FLOW | 2016年 / 78卷

基金：

英国工程与自然科学研究理事会;

关键词：

Downward gas/liquid flow; Flow development; Bend; Liquid film thickness; Void fraction; C-SHAPED BEND; 2-PHASE FLOW; PRESSURE-DROP; LIQUID-FILMS; PATTERN; PHASE; TRANSITION; PLANE;

D O I：

10.1016/j.ijmultiphaseflow.2015.09.012

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

An experimental study on air/water flow behaviours in a 101.6 mm i.d. vertical pipe with a serpentine configuration is presented. The experiments are conducted for superficial gas and liquid velocities ranging from 0.15 to 30 m/s and 0.07 to 1.5 m/s, respectively. The bend effects on the flow behaviours are significantly reduced when the flow reaches an axial distance of 30 pipe diameters or more from the upstream bend. The mean film thickness data from this study has been used to compare with the predicted data using several falling film correlations and theoretical models. It was observed that the large pipe data exhibits different tendencies and this manifests in the difference in slope when the dimensionless film thickness is plotted as a power law function of the liquid film Reynolds number. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：25 / 43

页数：19

共 49 条

[1] Two-phase air-water flow through a large diameter vertical 180° return bend [J].