Firouzi - Computational Fluid Dynamics Research Laboratory, Department of Chemical Engineering, Iran University of Science and Technology, Tehran, Iran
Hashemabadi - Computational Fluid Dynamics Research Laboratory, Department of Chemical Engineering, Iran University of Science and Technology, Tehran, Iran

For two immiscible fluids in steady state, stratified laminar, fully developed flow which one of them is Newtonian and the other is Bingham plastic the motion equations in horizontal pipe with appropriate boundary condition have been solved analytically. Velocity distribution for two phases and the location of plug region related to Bingham plastic fluid have been reported. The results show that the non-Newtonian rheological properties have negligible effects on two phase velocity profile.

Analytical, stratified, two-phase, Bingham plastic, non-Newtonian