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  • DEM CFD - scripta mat

    Rights statement: This is the author’s version of a work that was accepted for publication in Physics Reports. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Scripta Materialia, 124, 2016 DOI: 10.1016/j.scriptamat.2016.06.037

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The permeability of virtual macroporous structures generated by sphere packing models: comparison with analytical models

Research output: Contribution to journalJournal articlepeer-review

Published
<mark>Journal publication date</mark>11/2016
<mark>Journal</mark>Scripta Materialia
Volume124
Number of pages4
Pages (from-to)30-33
Publication StatusPublished
Early online date5/07/16
<mark>Original language</mark>English

Abstract

Realistic porous structures typical of those made by replication of packed beds of spherical particles have been produced by a novel modelling method. Fluid dynamics simulation of the permeability of these structures agrees well with experimental measurements and similar modelling of structures derived from X-ray tomographic images. By varying the model structures the textquotedblleftbottlenecktextquotedblright flow concept proposed by analytical models in the literature was substantiated, confirming the high dependence of permeability on the size of the windows connecting the pores but also highlighting the need for accurate determination of the connectivity of the pores for these models to be accurate.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Physics Reports. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Scripta Materialia, 124, 2016 DOI: 10.1016/j.scriptamat.2016.06.037