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Both Newtonian fluid flow and power-law non-Newtonian fluid flow through porous media composed of single-diameter and multi-diameter spheres were studied experimentally. The pressure drop characteristics for the packed beds with single-diameter spheres were validated well by theoretical models. For the packed beds containing spheres with two different sizes and three different sizes, three types of...
A theoretical model based on the force balance between pressure, viscous force, and inertia force is proposed to predict the flow resistance of Newtonian and power-law non-Newtonian fluids through porous packed beds. The present model takes inertia effect into consideration, and the flow regime can be extended from Darcy flow to non-Darcy flow. It is demonstrated that the present model can predict...
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