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一种改进的方法预测水平气液两相流的持液率 被引量：2

A MODIFIED APPROACH TO PREDICT THE LIQUID HOLDUP IN HORIZONTAL GAS-LIQUID FLOW
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摘要 Taitel-Dukler两流体模型包含多个关联式,需要迭代求解,易出现重根。提出的显式方程简化了模型的求解过程。以往的研究表明利用Taitel-Dulder模型预测持液率在光滑分层流出现低估,而在波状分层流,段塞流和环状流出现高估。基于Andritsos的实验数据,提出经过修正的持液率经验公式,改进了预测气液两相流持液率的方法。将改进的方法和以往理论模型得到的计算结果分别和实验数据进行对比,使用权重性能因子作为评价标准,结果表明该方法预测的持液率和实验数据比较吻合。 Taitel-Dukler two-fluid model requires an iterative method to solve implicit correlations and is prone to producing multiple roots in some cases.The proposed explicit correlations simplify solving procedure.Previous studies evince that Taitel-Dukler model,with the assumption of a smooth gas- liquid interface,tends to underestimate liquid holdup for stratified smooth flow,and to overestimate it for stratified wavy,slug and annular flow regimes.A modified empirical formula is proposed to predict liquid holdup...
作者 刘夷平 张华 王淑华 王经
机构地区 上海交通大学机械与动力工程学院工程热物理研究所
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2008年第8期1331-1334,共4页 Journal of Engineering Thermophysics
基金 国家自然科学基金项目(No.50476015)
关键词 两相流动 持液率 气-液两相流 two-phase flow liquid holdup gas-liquid flow
分类号 O359.1 [理学—流体力学]
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参考文献9

  • 1[1]Taitel Y,Dukler A E.A Theoretical Approach to the Lockhart-Martinelli Correlation for Stratified Flow.Int.J.Multiphase Flow.1976.2:591-595
  • 2[2]Andritsos N.Effect of Pipe Diameter and Liquid Viscosity on Horizontal Stratified Flow:[Ph.D.Thesis].Urbana,Illinois:University of Illinois at Urbana-Champaign,1986
  • 3[3]Xiao J,Shoham O,Brill J P.A Comprehensive Model for TWO-Phase Flow in Pipelines.Paper No.SPE 20631.In:The 65th SPE Annual Tcchnical COilfcrence and Exhibition.New Orleans,Louisiana,September 23-26 1990.167-180
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同被引文献14

  • 1TAITEL Y, DUKLER A E. A model for predicting flow regime transitions in horizontal and near horizontal gas- liquid flow[J]. AIChE J., 1976, 22(1):47-55.
  • 2LOCKHART R W, MARTINELLI R C. Proposed cor- relation of data for isothermal two-phase two-component flow in pipes[J]. Chemical Engineering Prog. , 1949, 45 : 39-48.
  • 3HURLBURT E T, HANRATTY T J. Prediction of the transition from stratified to slug and plug flow for long pipes[J]. Int. J. Multiphase Flow, 2002, 28(5): 707- 729.
  • 4ULLMANN A, ZAMIR M, GOLDSTEIN A. Closure relations for the shear stresses in two fluid models for laminar stratified flow[J]. Int. J. Multiphase Flow, 2004, 30(7 8): 877-900.
  • 5KOWALSKI J E. Wall and interfacial shear stress in strat- ified flow in a horizontal pipe[J].AIChE J. , 1987, 33 (2) : 274-281.
  • 6KORDYBAN E. Interfacial shear in two-phase wavy flow in closed horizontal channels[J]. J. Fluids Engineering, 1974, 96(2): 97-102.
  • 7ANDRITSOS N. Effects of pipe diameter and liquid vis- :osity on horizontal stratified flow[D]. Ph. D. thesis. Urbana: University of Illinois, 1986.
  • 8周云龙,窦华荣,梁超,孙斌.正方形小通道内气液两相流垂直向上流动特性[J].化工学报,2008,59(6):1377-1382. 被引量：9
  • 9张洋.混输管路压降计算方法在工程上的应用[J].管道技术与设备,2011(4):21-23. 被引量：10
  • 10李志宏,孙启国,吕洪波.油气润滑系统水平管路中环状流的形成过程及特性研究[J].润滑与密封,2012,37(7):49-52. 被引量：22

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工程热物理学报
2008年 第8期

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