Core-Annular Flow in Capillary Tubes: Theory, Simulations, and Experiment (original) (raw)

Core-Annular Flow in Capillary Tubes: Theory, Simulations, and Experiment

2009

Abstract

Abstract An evolution equation describing the dynamics of an interface between immiscible core and annulus fluids in an axisymmetric tube, in the presence of an imposed flow, can be developed as follows. A solution of the Navier-Stokes equations for a two-phase Poiseuillean flow with non-equal pressure gradients in the core and the film must be obtained.

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