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    Rights statement: This is the author’s version of a work that was accepted for publication in Acta Materialia. 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 Acta Materialia, 149, 2018 DOI: 10.1016/j.actamat.2018.02.051

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Measurement and simulation of pressure drop across replicated porous aluminium in the Darcy-Forchheimer regime

Research output: Contribution to journalJournal article

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<mark>Journal publication date</mark>1/05/2018
<mark>Journal</mark>Acta Materialia
Volume149
Number of pages9
Pages (from-to)265-273
StatePublished
Early online date5/03/18
Original languageEnglish

Abstract

Experimental measurements of the pressure drop across porous metals have been compared with computational fluid dynamics simulations, for the first time, for structures typified by large pores with small interconnecting “windows”. Structural information for the porous structures was obtained from X-ray computed tomography and a robust methodology for developing a representative volume element is described. The modelling approach used was able to reliably predict the pressure drop behaviour within the Forchheimer regime. The methodology was extended to simulate flow through geometrically-adapted, “semi-virtual” pore structures and this approach could prove to be an invaluable tool in the design of porous metal components for applications involving fluid flow.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Acta Materialia. 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 Acta Materialia, 149, 2018 DOI: 10.1016/j.actamat.2018.02.051