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?PIV methodology using model systems for flow studies in heterogeneous biopolymer gel microstructures
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.ORCID iD: 0000-0001-9979-5488
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2013 (English)In: Journal of Colloid and Interface Science, ISSN 0021-9797, E-ISSN 1095-7103, Vol. 398, p. 262-269Article in journal (Refereed) Published
Abstract [en]

A methodology for studying flow in heterogeneous soft microstructures has been developed. The methodology includes: (1) model fractal or random heterogeneous microstructures fabricated in PDMS and characterised using CLSM; (2) ?PIV measurements; (3) Lattice-Boltzmann simulations of flow. It has been found that the flow behaviour in these model materials is highly dependent on pore size as well as on the connectivity and occurrence of dead ends. The experimental flow results show good agreement with predictions from the Lattice-Boltzmann modelling. These simulations were performed in geometries constructed from 3D CLSM images of the actual PDMS structures. Given these results, mass transport behaviour may be predicted for even more complex structures, like gels or composite material in, e.g., food or biomaterials. This is a step in the direction towards predictive science with regards to tailoring soft biomaterials for specific mass transport properties. © 2013 Elsevier Inc.

Place, publisher, year, edition, pages
2013. Vol. 398, p. 262-269
Keywords [en]
Food Engineering
Keywords [sv]
Livsmedelsteknik
National Category
Food Science
Identifiers
URN: urn:nbn:se:ri:diva-8863DOI: 10.1016/j.jcis.2013.02.022PubMedID: 23489610OAI: oai:DiVA.org:ri-8863DiVA, id: diva2:966736
Available from: 2016-09-08 Created: 2016-09-08 Last updated: 2018-08-15Bibliographically approved

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Loren, Niklas

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