Numerical simulation of polyester coextrusion: Influence of the thermal parameters and the die geometry on interfacial instabilities | Zendy

Omar Mahdaoui | Zendy; J. F. Agassant | Zendy; Patrice Laure | Zendy; Rudy Valette | Zendy; Luísa Silva | Zendy

Open Access

Numerical simulation of polyester coextrusion: Influence of the thermal parameters and the die geometry on interfacial instabilities

Author(s) -

Omar Mahdaoui,

J. F. Agassant,

Patrice Laure,

Rudy Valette,

Luísa Silva

Publication year - 2007

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.2729623

Subject(s) - die (integrated circuit) , materials science , polyester , rheology , polymer , thermal , composite material , flow (mathematics) , process (computing) , computer simulation , mechanical engineering , mechanics , computer science , engineering , nanotechnology , thermodynamics , physics , operating system

International audienceThe polymer coextrusion process is a new method of sheet metal lining. It allows to substitute lacquers for steel protection in food packaging industry. The coextrusion process may exhibit flow instabilities at the interface between the two polymer layers. The objective of this study is to check the influence of processing and rheology parameters on the instabilities. Finite elements numerical simulations of the coextrusion allow to investigate various stable and instable flow configurations

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