Wall effects for the pressure drop in fixed beds

A very simple model is presented for the effect of the container wall on the pressure drop in a fluid flowing through a bed of spheres. It is based on the application of the Ergun equation to the bulk region of the bed, unaffected by the wall. Pressure loss predictions are found to correspond well t...

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Bibliographic Details
Published in:Chemical engineering science 2004-07, Vol.59 (14), p.3037-3040
Main Authors: Di Felice, R., Gibilaro, L.G.
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Exact sciences and technology
Hydrodynamics
Hydrodynamics of contact apparatus
Packed bed
Reaction engineering
Viscous and inertial flow
Void-fraction
Wall effects
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Summary:A very simple model is presented for the effect of the container wall on the pressure drop in a fluid flowing through a bed of spheres. It is based on the application of the Ergun equation to the bulk region of the bed, unaffected by the wall. Pressure loss predictions are found to correspond well to the opposing trends reported in the literature for the viscous- and inertial-flow regimes.
ISSN:0009-2509
1873-4405
DOI:10.1016/j.ces.2004.03.030