Influence of the boundary conditions on heat and mass transfer in spacer-filled channels

The purpose of this study is to discuss some problems which arise in heat or mass transfer in complex channels, with special reference to the spacer-filled channels adopted in membrane processes. Among the issues addressed are the consistent definition of local and mean heat or mass transfer coeffic...

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Bibliographic Details
Published in:Journal of physics. Conference series 2017-11, Vol.923 (1), p.12053
Main Authors: Ciofalo, M, Cerva, M F La, Liberto, M Di, Tamburini, A
Format: Article
Language:English
Subjects:
Boundary conditions
Channels
Distillation
Electrodialysis
Heat transfer
Mass transfer
Membrane processes
Membranes
Physics
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Summary:The purpose of this study is to discuss some problems which arise in heat or mass transfer in complex channels, with special reference to the spacer-filled channels adopted in membrane processes. Among the issues addressed are the consistent definition of local and mean heat or mass transfer coefficients; the influence of the wall boundary conditions; the influence of one-side versus two-side heat/mass transfer. Most of the results discussed were obtained by finite volume CFD simulations concerning heat transfer in Membrane Distillation or mass transfer in Electrodialysis and Reverse Electrodialysis, but many of the conclusions apply also to different processes involving geometrically complex channels
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/923/1/012053