Abstract
The paper investigates the effect of an inclination angle of a straight pipeline on the gas-liquid two-phase flow regime at the same inlet conditions. The homogeneous Volume of Fluid (VOF) model in Ansys Fluent is used in this study for simulating the spread of the gas phase, changes in the entrance region and establishing of the multiphase flow regime. The authors consider a horizontal, vertical and inclined (60 degrees) pipelines where the stratified, bubbly and churn flow regimes are formed respectively, and the results are presented in terms of the gas phase distribution in the volume of the carrying liquid and the velocity field.
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