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Permeability of clustered fibre networks: modelling of unit cell
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
University of Latvia.
2003 (English)In: Mechanics of composite materials, ISSN 0191-5665, E-ISSN 1573-8922, Vol. 39, no 3, 265-272 p.Article in journal (Refereed) Published
Abstract [en]

The paper is focused on estimating the permeability of a clustered fiber network by variational methods. First, a laminar flow in ducts is considered by using polynomial trial functions. Then, a longitudinal flow through a square array is described by expanding the flow-rate field in trigonometric and Laurent series. Finally, a formal scheme for estimating the longitudinal permeability in a cluster with an irregular distribution of fibers is given. The irregular distribution is modeled by setting an individual effective radius for each fiber and then letting this fiber reach its minimum gravitational energy. The results obtained here form a basis for future predictions of the permeability of fibrous reinforcements.

Place, publisher, year, edition, pages
2003. Vol. 39, no 3, 265-272 p.
Research subject
Fluid Mechanics
URN: urn:nbn:se:ltu:diva-13170DOI: 10.1023/A:1024574228228Local ID: c5c0dbd0-9cc6-11db-8975-000ea68e967bOAI: diva2:986122
Validerad; 2003; Bibliografisk uppgift: MCM-2002 International Conference on Mechanics of Composite Materials, June 9-13, Riga (2002); 20070105 (ysko)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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Frishfelds, VilnisLundström, Staffan
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