Thermal performance of multipass parallel and counter-cross-flow heat exchangers

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dc.contributor.authorCabezas-Gomez, Luben
dc.contributor.authorNavarro, Helio Aparecido
dc.contributor.authorSaiz-Jabardo, Jose Maria
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv coruna
dc.date.accessioned2014-02-26T17:28:49Z
dc.date.accessioned2014-05-20T14:15:57Z
dc.date.available2014-02-26T17:28:49Z
dc.date.available2014-05-20T14:15:57Z
dc.date.issued2007-03-01
dc.description.abstractA thorough study of the thermal performance of multipass parallel cross-flow and counter-cross-flow heat exchangers has been carried out by applying a new numerical procedure. According to this procedure, the heat exchanger is discretized into small elements following the tube-side fluid circuits. Each element is itself a one-pass mixed-unmixed cross-flow heat exchanger. Simulated results have been validated through comparisons to results from analytical solutions for one- to four-pass, parallel cross-flow and counter-cross-flow arrangements. Very accurate results have been obtained over wide ranges of NTU (number of transfer units) and C* (heat capacity rate ratio) values. New effectiveness data for the aforementioned configurations and a higher number of tube passes is presented along with data for a complex flow configuration proposed elsewhere. The proposed procedure constitutes a useful research tool both for theoretical and experimental studies of cross-flow heat exchangers thermal performance.en
dc.description.affiliationUniv São Paulo, Escola Engn Sao Carlos, Dept Engn Mecan, BR-13566590 Sao Carlos, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Geociencias & ciencias Exatas, Dept Estatist Matemat Aplicada & Comput, BR-13506700 Rio Claro, SP, Brazil
dc.description.affiliationUniv coruna, Escuela Politecn Super, Ferrol 15403, Coruna, Spain
dc.description.affiliationUnespUniv Estadual Paulista, Inst Geociencias & ciencias Exatas, Dept Estatist Matemat Aplicada & Comput, BR-13506700 Rio Claro, SP, Brazil
dc.format.extent282-290
dc.identifierhttp://dx.doi.org/10.1115/1.2430719
dc.identifier.citationJournal of Heat Transfer-transactions of the Asme. New York: Asme-amer Soc Mechanical Eng, v. 129, n. 3, p. 282-290, 2007.
dc.identifier.doi10.1115/1.2430719
dc.identifier.issn0022-1481
dc.identifier.urihttp://hdl.handle.net/11449/24782
dc.identifier.wosWOS:000245457400005
dc.language.isoeng
dc.publisherAsme-amer Soc Mechanical Eng
dc.relation.ispartofJournal of Heat Transfer-transactions of the Asme
dc.relation.ispartofjcr1.602
dc.relation.ispartofsjr0,759
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectthermal effectivenesspt
dc.subjectNTUpt
dc.subjectcross-flowpt
dc.subjectheat exchangerspt
dc.titleThermal performance of multipass parallel and counter-cross-flow heat exchangersen
dc.typeArtigo
dcterms.licensehttp://journaltool.asme.org/Help/AuthorHelp/WebHelp/1903.pdf
dcterms.rightsHolderAsme-amer Soc Mechanical Eng
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Geociências e Ciências Exatas, Rio Claropt

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Artigos - Estatistica, Matemática Aplicada e Computação - IGCE