Non-Isothermal Free-Surface Viscous Flow of Polymer Melts in Pipe Extrusion Using an Open-Source Interface Tracking Finite Volume Method

Non-Isothermal Free-Surface Viscous Flow of Polymer Melts in Pipe Extrusion Using an Open-Source Interface Tracking Finite Volume Method

Polymer extrudate swelling is a rheological phenomenon that occurs after polymer melt flow emerges at the die exit of extrusion equipment due to molecular stress relaxations and flow redistributions. Specifically, with the growing demand for large scale and high productivity, polymer pipes have rece...

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Bibliographic Details
Main Authors: Célio Fernandes, Ahmad Fakhari, Željko Tukovic
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Polymers
Subjects:
extrudate swell
pipe die
polymer melt
Herschel–Bulkley fluids
yield stress
finite volume method
Online Access:https://www.mdpi.com/2073-4360/13/24/4454

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