Abstract
The study and characterization of random and structured packed columns has been of primary importance to develop reliable model for engineer design tool. Those models, often developed after long experimental campaign, usually lack the understanding of the local scale phenomena such as flooding and blockage that is necessary in order to design more efficient packing geometries. The present study objective is to be able to understand the parameters influencing the incipience of the blockage phenomenon that is observed at any regime. The study make use of a numerical approach based on the Volume-of-Fluid (VOF) multiphase method. The method is employed to observe the free surface in various flow conditions for different elementary geometries. For the condition studied, the results show the corrugation geometry and material to be the main actors in the blockage incipience. The study also highlights the design features that are critical in the design of packed bed geometries to ensure a satisfactory specific coverage as well as good flow periodicity to develop accurate design tools.
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