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dc.contributor.authorGonçalves, Nelson Daniel Ferreirapor
dc.contributor.authorTeixeira, P.por
dc.contributor.authorFerrás, Luís Jorge Limapor
dc.contributor.authorAfonso, A. M.por
dc.contributor.authorNóbrega, J. M.por
dc.contributor.authorCarneiro, O. S.por
dc.identifier.citationGonçalves, N. D., Teixeira, P., Ferrás, L. L., Afonso, A. M., Nóbrega, J. M., & Carneiro, O. S. (2015). Design and optimization of an extrusion die for the production of wood-plastic composite profiles. Polymer Engineering and Science. doi: 10.1002/pen.24024por
dc.description.abstractIn this work, the optimization of an extrusion die designed for the production of a wood–plastic composite (WPC) decking profile is investigated. The optimization was performed with the help of numerical tools, more precisely, by solving the continuity and momentum conservation equations that govern such flow, and aiming to balance properly the flow distribution at the extrusion die flow channel outlet. To capture the rheological behavior of the material, we used a Bird-Carreau model with parameters obtained from a fit to the (shear viscosity versus shearrate) experimental data, collected from rheological tests. To yield a balanced output flow, several numerical runs were performed by adjusting the flow restriction at different regions of the flow-channel parallel zone crosssection. The simulations were compared with the experimental results and an excellent qualitative agreement was obtained, allowing, in this way, to attain a good balancing of the output flow and emphasizing the advantages of using numerical tools to aid the design of profile extrusion dies.por
dc.description.sponsorshipFundação para a Ciência e Tecnologia (FCTpor
dc.publisherSociety of Plastics Engineers (SPE)por
dc.subjectExtrusion die designpor
dc.subjectflow balancingpor
dc.subjectNumerical simulationpor
dc.titleDesign and optimization of an extrusion die for the production of wood–plastic composite profilespor
oaire.citationTitlePolymer Engineering and Sciencepor
dc.subject.fosEngenharia e Tecnologia::Engenharia dos Materiaispor
dc.subject.wosScience & Technologypor
sdum.journalPolymer Engineering and Sciencepor
Appears in Collections:IPC - Artigos em revistas científicas internacionais com arbitragem

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