ABSTRACT
A model is developed for predictions of wetted wall fraction and gravity center of liquid film in gas-liquid pipe flow under different flow conditions. This model is based on the instability of the liquid film in an equilibrium stratified flow proposed by Taitel and Dukler [1] for flow pattern transition prediction from stratified flow to non-stratified flows. The relationship between the wetted wall fraction and the gravity center of the liquid film is based on the double circle model proposed by Chen et al. [2] for the liquid film distribution. The present model unifies the predictions of liquid wetted wall fraction, film gravity center and flow pattern transition between stratified and annular flows.
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2010. BHR Group 2010 Multiphase 7
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