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Numerical model for vacuum infusion manufacturing of polymer composites
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0002-1033-0244
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-6958-5508
2003 (English)In: International journal of numerical methods for heat & fluid flow, ISSN 0961-5539, E-ISSN 1758-6585, Vol. 13, no 3, p. 383-394Article in journal (Refereed) Published
Abstract [en]

The focus is set on the development and evaluation of a numerical mgodel describing the impregnation stage of a method to manufacture fibre reinforced polymer composites, namely the vacuum infusion process. Examples of items made with this process are hulls to sailing yachts and containers for the transportation industry. The impregnation is characterised by a full 3D flow in a porous medium having an anisotropic, spatial- and time-dependent permeability. The numerical model has been implemented in a general and commercial computational fluid dynamic software through custom written subroutines that: couple the flow equations to the equations describing the stiffness of the fibre reinforcement; modify the momentum equations to account for the porous medium flow; remesh the computational domain in each time step to account for the deformation by pressure change. The verification of the code showed excellent agreement with analytical solutions and very good agreement with experiments. The numerical model can easily be extended to more complex geometry and to other constitutive equations for the permeability and the compressibility of the reinforcement.

Place, publisher, year, edition, pages
2003. Vol. 13, no 3, p. 383-394
National Category
Fluid Mechanics and Acoustics Energy Engineering
Research subject
Fluid Mechanics; Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-9601DOI: 10.1108/09615530310464553ISI: 000182125500011Scopus ID: 2-s2.0-0037242448Local ID: 83fc4600-9cba-11db-8975-000ea68e967bOAI: oai:DiVA.org:ltu-9601DiVA, id: diva2:982539
Note
Validerad; 2003; 20070105 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Andersson, MagnusLundström, StaffanGebart, Rikard

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