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Computational high-throughput screening of fluid permeability in heterogeneous fiber materials
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience, Structure Design.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience, Structure Design.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience, Structure Design.
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2016 (English)In: Soft Matter, ISSN 1744-683X, E-ISSN 1744-6848, Vol. 12, no 29, 6293-6299 p.Article in journal (Refereed) Published
Abstract [en]

We explore computational high-throughput screening as a design strategy for heterogeneous, isotropic fiber materials. Fluid permeability, a key property in the design of soft porous materials, is systematically studied using a multi-scale lattice Boltzmann framework. After characterizing microscopic permeability as a function of solid volume fraction in the microstructure, we perform high-throughput computational screening of in excess of 35000 macrostructures consisting of a continuous bulk interrupted by spherical/elliptical domains with either lower or higher microscopic permeability (hence with two distinct microscopic solid volume fractions and therefore two distinct microscopic permeabilities) to assess which parameters determine macroscopic permeability for a fixed average solid volume fraction. We conclude that the fractions of bulk and domains and the distribution of solid volume fraction between them are the primary determinants of macroscopic permeability, and that a substantial increase in permeability compared to the corresponding homogenous material is attainable. © 2016 The Royal Society of Chemistry.

Place, publisher, year, edition, pages
2016. Vol. 12, no 29, 6293-6299 p.
Keyword [en]
Porous materials, Volume fraction, Design strategies, Fluid permeability, High throughput, High throughput screening, Isotropic fibers, Lattice boltzmann, Macroscopic permeability, Solid volume fraction, Throughput
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-27689DOI: 10.1039/c6sm01213bScopus ID: 2-s2.0-84979266646OAI: oai:DiVA.org:ri-27689DiVA: diva2:1059068
Available from: 2016-12-22 Created: 2016-12-21 Last updated: 2017-02-06Bibliographically approved

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