Modified Equations for Water Flow through Packed Bed for different types of packing systems

Abstract

Semi-empirical equations for water flow through packed bed have been estimated, for different types of packing systems (mono size spherical particle system, mono size non spherical particle system, binary sized spherical particle system, ternary sized spherical particle system, quaternary sized spherical particle system, quinary sized spherical particle) depending on Buckingham π theorem. The working range of the modified equation is within the fixed region of the fluid flow diagram, i.e., the modified equation can be used for fluid flow up to the fluidization point. The results of all calculations for the modified equations have been compared with many documented experimental literatures. This comparison gave a very good agreement, and has been represented in curves. The results from Ergun equation using similar conditions have been represented in the curves for the sake of comparison.