Digital predictions of complex cylinder packed columns

Property Predictions for Packed Columns Using Random and Distinct Element Digital Packing Algorithms

Existing theories and computer models for packed columns are either incapable of handling complex pellet shapes or based on simplified pellet geometry. A digital packing algorithm, namely DigiPac, has recently been developed to fill the gap. It is capable of packing of particles of any shapes and sizes in a container of arbitrary geometry, and is a first step towards a practical computational t...

Prediction of Mean Drop Size in Pulsed Packed Extraction Columns

A Numerical Case Study of Packed Columns

This paper presents results concerning the validation of a recently developed packing algorithm. The basic ethos of this algorithm, known as DigiPac, is to use threedimensional methods to digitise particle shapes, and to use this digital information directly in computations of how particles pack together without further conversion or the need for modelling. A variety of simulations of packed co...

Packed versus capillary columns in gaschromatography.

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simulation of packed columns for multicomponent adsorption

the dynamics of multicomponent adsorption in a fixed bed adsorber is examined numerically. the dynamic model of adsorption in the packed column included axial dispersion and variable space velocity along the bed for the multicomponent adsorption adsorption the pore fluid and the solid phase are in equilibrium with a nonlinear isotherm. the numerical solution is based upon the modified lax-wendr...