Please use this identifier to cite or link to this item: https://hdl.handle.net/1822/18841

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dc.contributor.authorCovas, J. A.-
dc.contributor.authorGaspar-Cunha, A.-
dc.date.accessioned2012-04-23T17:04:57Z-
dc.date.available2012-04-23T17:04:57Z-
dc.date.issued2009-
dc.identifier.isbn978-3-540-29123-7-
dc.identifier.issn1615-3871por
dc.identifier.urihttps://hdl.handle.net/1822/18841-
dc.description.abstractExtrusion scale-up consists in ensuring identical thermo-mechanical environments in machines of different dimensions, but processing the same material. Given a reference extruder with a certain geometry and operating point, the aim is to define the geometry and operating conditions of a target extruder (of a different magnitude), in order to subject the material being processed to the same flow and heat transfer conditions, thus yielding products with the same characteristics. Scale-up is widely used in industry and academia, for example to extrapolate the results obtained from studies performed in laboratorial machines to the production plant. Since existing scale-up rules are very crude, as they consider a single performance measure and produce unsatisfactory results, this work approaches scale-up as a multi-criteria optimization problem, which seeks to define the geometry/operating conditions of the target extruder that minimize the differences between the values of the criteria for the reference and target extruders. Some case studies are discussed in order to validate the concept.por
dc.language.isoengpor
dc.publisherSpringer por
dc.rightsopenAccesspor
dc.subjectMulti-objective evolutionary algorithmspor
dc.subjectExtrusionpor
dc.subjectScale-uppor
dc.titleUse of multi-objective evolutionary algorithms in extrusion scale-uppor
dc.typeconferencePaper-
dc.peerreviewedyespor
sdum.publicationstatuspublishedpor
oaire.citationStartPage86por
oaire.citationEndPage94por
oaire.citationTitleApplications of Soft Computingpor
oaire.citationVolume52por
dc.identifier.doi10.1007/978-3-540-88079-0_9por
dc.subject.wosScience & Technologypor
sdum.journalAdvances in Soft Computingpor
sdum.conferencePublicationApplications of Soft Computingpor
Appears in Collections:IPC - Resumos alargados em actas de encontros científicos internacionais com arbitragem


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