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Selecting and Optimizing a Heat Exchanger for Automotive Vehicle Rankine Cycle Waste Heat Recovery Systems

2017-02Journal article Restricted access
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dc.contributor.authorSantos, Helder
dc.contributor.authorMorgado, Joel
dc.contributor.authorMartinho, Nuno
dc.contributor.authorPereira, João
dc.contributor.authorMoita, Ana
dc.date.accessioned2025-09-30T16:11:15Z
dc.date.available2025-09-30T16:11:15Z
dc.date.issued2017-02
dc.description.abstractThis paper contributes for the selection and optimization of an adequate compact heat exchanger (HEX) for an automotive vehicle Rankine cycle Waste Heat Recovery Systems (RC-WHRS). Both tube type and plate type HEX were considered. Among the different HEX designs available, a robust cross-􀃀ow tube heat exchanger (CFT-HEX), with the working fluid circulating inside the tubes was selected. The selected HEX accomplishes with the specific pressure drops limits on both exhaust gas and working fluid side. The compactness of the CFT-HEX strongly depends on the optimization of the HEX pre-heater section, which mainly depends on the augmentation of the working fluid heat transfer coefficient. The present study data reveals that a transitional flow regime with a working fluid Reynolds number, Re > 3200, allows a significant increase of the Nusselt number (Nu > 20) as compared to laminar flow regime.eng
dc.description.sponsorshipA.S. Moita is grateful to Fundação para a Ciência e a Tecnologia (FCT) for partially financing the work under the framework of the project RECI/EMS-SIS/0147/2012. Ana Moita also acknowledges FCT through the contract IF008102015 (FCT Investigator Programme).
dc.identifier.citationHelder Santos, Joel Morgado, Nuno Martinho, João Pereira, Ana Moita, Selecting and Optimizing a Heat Exchanger for Automotive Vehicle Rankine Cycle Waste Heat Recovery Systems, Energy Procedia, Volume 107, 2017, Pages 390-397, ISSN 1876-6102, https://doi.org/10.1016/j.egypro.2016.12.181
dc.identifier.doi10.1016/j.egypro.2016.12.181
dc.identifier.issn1876-6102
dc.identifier.urihttp://hdl.handle.net/10400.8/14169
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier BV
dc.relationRECI/EMS-SIS/0147/2012
dc.relationIF008102015
dc.relation.ispartofEnergy Procedia
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectWaste heat recovery
dc.subjectRankine cycle
dc.subjectHeat exchanger
dc.subjectHeat transfer performance
dc.titleSelecting and Optimizing a Heat Exchanger for Automotive Vehicle Rankine Cycle Waste Heat Recovery Systemseng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage397
oaire.citation.startPage390
oaire.citation.titleEnergy Procedia
oaire.citation.volume107
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameSantos
person.familyNameMartinho
person.familyNamePereira
person.givenNameHelder
person.givenNameNuno
person.givenNameJoão
person.identifier.ciencia-idA712-1953-0635
person.identifier.ciencia-idBD1E-268C-60A0
person.identifier.orcid0000-0001-6686-7991
person.identifier.orcid0000-0002-4684-8766
person.identifier.orcid0000-0002-4303-2876
person.identifier.scopus-author-id6504136075
person.identifier.scopus-author-id56269586400
relation.isAuthorOfPublication2b817169-78c2-4922-879a-02f1c40dafd9
relation.isAuthorOfPublicationc9c68653-d3e4-4c1f-9fcf-fcb65c336bda
relation.isAuthorOfPublicationd236a326-78d1-4be7-afca-0adcdcc4d4ae
relation.isAuthorOfPublication.latestForDiscovery2b817169-78c2-4922-879a-02f1c40dafd9

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