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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Investigation on average void fraction for airon-Newtonian power-law fluids two-phase flow in downward inclined pipes
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Investigation on average void fraction for airon-Newtonian power-law fluids two-phase flow in downward inclined pipes

机译：向下倾斜管内空气/非牛顿幂律流体两相平均空隙率的研究

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摘要

The present work has been carried out to investigate on the average void fraction of gason-Newtonian fluids flow in downward inclined pipes. The influences of pipe inclination angle on the average void fraction were studied experimentally. A simple correlation, which incorporated the method of Vlachos et al. for gas/Newtonain fluid horizontal flow, the correction factor of Farooqi and Richardson and the pipe inclination angle, was proposed to predict the average void fraction of gason-Newtonian power-law stratified flow in downward inclined pipes. The correlation was based on 470 data points covering a wide range of flow rates for different systems at diverse angles. A good agreement was obtained between theory and data and the fitting results could describe the majority of the experimental data within ±20%.
机译：已经进行了本工作以研究向下倾斜的管道中气体/非牛顿流体的平均空隙率。实验研究了管道倾角对平均空隙率的影响。一个简单的关联，其中包括Vlachos等人的方法。对于气体/牛顿流体水平流，提出了Farooqi和Richardson的修正系数以及管道倾角，以预测向下倾斜的管道中气体/非牛顿幂律分层流的平均空隙率。相关性基于470个数据点，这些数据点涵盖了不同角度下不同系统的各种流量。理论和数据之间取得了良好的一致性，拟合结果可以描述大多数实验数据，误差在±20％之内。

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