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Slip between the phases in two-phase water–oil flow in a horizontal pipe
Authors:Jerzy Hapanowicz  
Institution:

aChair of Process Engineering, Opole University of Technology, ul. Mikołajczyka 5, 45-271 Opole, Poland

Abstract:This paper is devoted to slip phenomenon between the phases that occurs in unstable two-phase water–oil flow systems in a horizontal pipe. The emphasis is placed on the relation between the slip and the real (in situ) water fraction in a flowing mixture, as well as the substitute physical properties of the whole two-phase system. The experimental data collected throughout research served for the evaluation of the accuracy of the methods of real phase fraction in a water–oil flow system in horizontal pipes as they were referred to in the bibliography. Subsequently we have suggested the author indicate a method of determination of the fraction for two-phase liquid systems like O/W, W/O and W + O. In order to establish the specific equations, the drift-flux model has been used here.
Keywords:Two-phase flow  Horizontal pipe  Water–oil system  Slip  Fraction of phases  Drift-flux model
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