Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/1504
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dc.contributor.authorKnupp, Diego C.-
dc.contributor.authorCotta, Renato M.-
dc.contributor.authorNaveira-Cotta, Carolina P.-
dc.contributor.authorKakaç, Sadık-
dc.date.accessioned2019-06-26T08:07:03Z
dc.date.available2019-06-26T08:07:03Z
dc.date.issued2015-02
dc.identifier.citationKnupp, D. C., Cotta, R. M., Naveira-Cotta, C. P., & Kakaç, S. (2015). Transient conjugated heat transfer in microchannels: integral transforms with single domain formulation. International Journal of Thermal Sciences, 88, 248-257.en_US
dc.identifier.issn1290-0729
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S1290072914001045-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/1504-
dc.description.abstractThe transient behaviour of conjugated heat transfer in laminar microchannel flow is investigated, taking into account the axial diffusion effects, which are often of relevance in microchannels, and including pre-heating or pre-cooling of the region upstream of the heat exchange section. The solution methodology is based on the Generalized Integral Transform Technique (GITT), as applied to a single domain formulation proposed for modelling the heat transfer phenomena at both the fluid stream and the channel wall regions. By making use of coefficients represented as space dependent functions with abrupt transitions occurring at the fluid-wall interfaces, the mathematical model carries the information concerning the transition of the two domains, unifying the model into a single domain formulation with variable coefficients. The proposed approach is illustrated for microchannels with polymeric walls of different thicknesses. The accuracy of approximate internal wall temperature estimates deduced from measurements of the external wall temperatures, accounting only for the thermal resistance across the wall thickness, is also analyzed. (C) 2014 Elsevier Masson SAS. All rights reserved.en_US
dc.description.sponsorshipThe authors would like to acknowledge the financial support provided by the Federal and State Brazilian Research Sponsoring Agencies, CNPq and FAPERJ. This paper is an invited extended version of an article presented at the 14th Brazilian Congress of Thermal Sciences and Engineering, ENCIT 2012, held in Rio de Janeiro, Brazil, in November, 2012. The authors also acknowledge the valuable help of the exchange student Sebastien Wahl (INSA - Toulouse, France) with the COMSOL Multiphysics solution.
dc.language.isoenen_US
dc.publisherElsevier France-Editions Scientifiques Medicales Elsevieren_US
dc.relation.ispartofInternational Journal Of Thermal Sciencesen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTransient convectionen_US
dc.subjectConjugated problemen_US
dc.subjectMicrochannelen_US
dc.subjectIntegral transformsen_US
dc.subjectGITTen_US
dc.subjectMicro-heat exchangeren_US
dc.titleTransient conjugated heat transfer in microchannels: Integral transforms with single domain formulationen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Mechanical Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Makine Mühendisliği Bölümütr_TR
dc.identifier.volume88
dc.identifier.startpage248
dc.identifier.endpage257
dc.authorid0000-0002-7839-8034-
dc.identifier.wosWOS:000346453400024en_US
dc.identifier.scopus2-s2.0-84918787968en_US
dc.institutionauthorKakaç, Sadık-
dc.identifier.doi10.1016/j.ijthermalsci.2014.04.017-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
crisitem.author.dept02.7. Department of Mechanical Engineering-
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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