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|Title:||Design of calibrators for profile extrusion: optimizing multi-step systems|
|Author(s):||Nóbrega, J. M.|
Carneiro, O. S.
Gonçalves, N. D.
|Publisher:||Carl Hanser Verlag GmbH & Co.|
|Journal:||International Polymer Processing|
|Abstract(s):||A computer code, that couples numerical modelling and optimization routines, is described and used to automatically optimize the performance of a multi-step calibration stage of a plastic profile extrusion line. The objective of the optimization process is to minimize two conflicting criteria: final plastic profile average temperature and corresponding distribution standard deviation, both computed at the end of the calibration/cooling stage. The optimization routine uses Multi-Objective Evolutionary Algorithms (MOEA). Having in mind the well-known difficulties in characterizing the interface heat transfer coefficient, the system optimization was performed using different constant values for this parameter.|
|Access:||Restricted access (UMinho)|
|Appears in Collections:||IPC - Artigos em revistas científicas internacionais com arbitragem|
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|Nóbrega et al._2008_Design of calibrators for profile extrusion - Optimizing multi-step systems.pdf|
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