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Determination and Verification of the Forchheimer Coefficients for Ceramic Foam Filters using COMSOL CFD Modeling


M.W. Kennedy1 K. Zhang1 J.A. Bakken1 R.E. Aune1
1Norwegian University of Science and Technology, Trondheim, Norway


30 pores per inch alumina ceramic foam filter used for the filtration of liquid metal.

Experiments have been conducted with water at velocities from ~0.015-0.77 m/s to determine the permeability of 50 mm thick commercially available 30, 40, 50 and 80 Pores Per Inch (PPI) Ceramic Foam Filters (CFF) used for liquid metal filtration. Measurements were made using two different setups, for use with the Forchheimer equation: 49 mm "straight through" and 101 mm diameter "expanding flow field" designs. 2D axial symmetric CFD modeling with COMSOL Multiphysics 4.2a showed that the two equipment designs delivered equivalent permeability data. In so doing it has been shown that COMSOL gives model results with

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