A Model for Predicting Holdup and Pressure Drop in Gas-Liquid Stratified Flow

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A Model for Predicting Holdup and Pressure Drop in Gas-Liquid Stratified Flow

LI Weidong^a; LI Rongxian^a; CHEN Yongli^b; ZHOU Fangde^b

^a Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China
^b State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University,
Xi’an 710049, China

Received:1900-01-01 Revised:1900-01-01 Online:2001-03-28 Published:2001-03-28
Contact: LI Weidong

预测气液分层流含气率及压降的模型

李卫东^a; 李荣先^a; 陈永利^b; 周芳德^b

^a Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China
^b State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University,
Xi’an 710049, China

通讯作者: 李卫东

Abstract

Abstract: The time-dependent liquid film thickness and pressure drop were measured by using parallel
-wire conductance probes and capacitance differential-preesure transducers. Applying the
eddy viscosity theory and an appropriate correlation of interfacial sear stress,a new two-
dimensional separated model of holdup and pressure drop of turbulent/turbulent gas-liquid
stratified flow was presented. Prediction results agreed well with experimental data.

Key words: gas-liquid two-phase flow, stratified flow, holdup, pressure drop, model

摘要： The time-dependent liquid film thickness and pressure drop were measured by using parallel
-wire conductance probes and capacitance differential-preesure transducers. Applying the
eddy viscosity theory and an appropriate correlation of interfacial sear stress,a new two-
dimensional separated model of holdup and pressure drop of turbulent/turbulent gas-liquid
stratified flow was presented. Prediction results agreed well with experimental data.

关键词: gas-liquid two-phase flow;stratified flow;holdup;pressure drop;model

LI Weidong, LI Rongxian, CHEN Yongli, ZHOU Fangde. A Model for Predicting Holdup and Pressure Drop in Gas-Liquid Stratified Flow[J]. , DOI: .

李卫东, 李荣先, 陈永利, 周芳德. 预测气液分层流含气率及压降的模型[J]. , DOI: .

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