Numerical analysis of the two-phase flow characteristics in vertical downward helical pipe

被引：17

作者：

Liu, Xianfei ^{[1
]}

Zhao, Donghai ^{[1
]}

Liu, Yifeng ^{[1
]}

Jiang, Shuai ^{[1
]}

Xiang, Hongzhi ^{[1
]}

机构：

[1] Zhengzhou Univ Light Ind, Sch Energy & Power Engn, Zhengzhou 450002, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2017年 / 108卷

关键词：

Two-phase flow; Helical pipe; Pressure drop; Inlet sectional liquid holdup; FRICTIONAL PRESSURE-DROP; RECTANGULAR CHANNEL; HELICOIDAL PIPES; STEAM-GENERATOR; SINGLE-PHASE; COILED TUBES; PREDICTION;

D O I：

10.1016/j.ijheatmasstransfer.2017.01.056

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this research, the Eulerian multiphase flow model is validated to calculate the two-phase flow in vertical downward helical pipes. The development of pressure fields and liquid distribution along the helical pipe are presented. The results shows that the curvature, torsion and liquid holdup exert great effect on the distribution of the pressure field and liquid holdup distribution in the helical pipe. In addition, it is found that the two-phase frictional pressure drop relates to the curvature and torsion of helical pipe, and that the inlet sectional liquid holdup also has great effect on the pressure drop. The correlation developed predicts the two-phase frictional factor in helical pipe with acceptable statistical accuracy. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：1947 / 1959

页数：13

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