Journal
ACTA MATERIALIA
Volume 149, Issue -, Pages 265-273Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2018.02.051
Keywords
Porous material; Modelling; Permeability
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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 Xray 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. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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