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TitleDifferential heating as a strategy for controlling the flow distribution in profile extrusion dies
Author(s)Rajkumar, Ananth
Ferras, Luis L.
Fernandes, C.
Carneiro, O. S.
Sacramento, Alberto
Nóbrega, J. M.
Issue date2019
PublisherSpringer International Publishing AG
Abstract(s)This work presents a simple procedure for balancing the flow in extrusion dies. The method consists in using different temperatures on the different sides of the extrusion die surface, in this way altering the local viscosity of the polymer melt, and thus the melt flow distribution. The design methodology follows a numerical trial-and-error procedure (implemented in OpenFOAM (R)), which was assessed with an industrial case study (swimming pool cover profile). The results obtained show that the support of computational tools is an excellent design aid, and a much better alternative to the experimental trial-and-error procedure commonly used in industry.
TypeConference paper
AccessRestricted access (UMinho)
Appears in Collections:IPC - Textos completos em actas de encontros científicos internacionais com arbitragem

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