Study on Venturi nozzle for gas-liquid two-phase flow metering

被引：0
作者：
梁法春 [1 ,2 ]
张修刚 [2 ]
王栋 [2 ]
林宗虎 [2 ]
机构：
[1] College of Pipeline and Civil Engineering,China University of Petroleum
[2] State Key Lab of Multiphase Flow in Power Engineering,Xi'an Jiaotong University
来源：
Journal of Harbin Institute of Technology(New series) | 2012年 / 01期
基金：
中国国家自然科学基金;
关键词：
two-phase flow; Venturi nozzle; flow measurement;
D O I：
暂无
中图分类号：
O359 [多相流];
学科分类号：
080704 ;
摘要：
Experiments were carried out to study gas-liquid two-phase flow through a horizontally mounted Venturi nozzle. The inner diameter of pipe is 25 mm and the throat diameter of Venturi nozzle is 5. 1 mm. The pressure difference and pressure loss across the nozzle were measured. It was found that the degree of pressure fluctuation strongly depends on the gas quality. However,the relationship between the standard deviation of pressure difference and the gas quality is not monotonous. Multiple solutions may occur when the relationship was used to determine gas quality. On the other hand,the standard deviation of pressure loss was found to be monotonously correlated to X. This phenomenon was applied to measured gas quality. Also a modified Lin’s equation is proposed to calculate the two-phase flow rate. The experimental measurements agree well with the predicted values.
引用
收藏
页码：107 / 110
页数：4
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