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Article: Forced convection in tightly coiled ducts: Bifurcation in a high Dean number region

TitleForced convection in tightly coiled ducts: Bifurcation in a high Dean number region
Authors
KeywordsBifurcation
Forced convection
High Dean number region
Tightly coiled ducts
Issue Date2007
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/nlm
Citation
International Journal Of Non-Linear Mechanics, 2007, v. 42 n. 8, p. 1018-1034 How to Cite?
AbstractThe present numerical study is on the fully developed bifurcation structure of forced convection in a tightly coiled duct of square cross-section and curvature ratio of 0.5 in a high Dean number region. Ten solution branches, two symmetric and eight asymmetric, are found. Among them, one symmetric branch and seven asymmetric branches have not been reported in the literature. On these new branches, the flow has a structural 2-, 4-, 5-, 6-, 7- or 8-cell. The mean friction factor and Nusselt number are different on various solution branches. In tightly coiled ducts, the secondary flow enhances the heat transfer more significantly than the friction increase. © 2007 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/76119
ISSN
2015 Impact Factor: 1.92
2015 SCImago Journal Rankings: 1.211
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWang, Len_HK
dc.contributor.authorLiu, Fen_HK
dc.date.accessioned2010-09-06T07:17:49Z-
dc.date.available2010-09-06T07:17:49Z-
dc.date.issued2007en_HK
dc.identifier.citationInternational Journal Of Non-Linear Mechanics, 2007, v. 42 n. 8, p. 1018-1034en_HK
dc.identifier.issn0020-7462en_HK
dc.identifier.urihttp://hdl.handle.net/10722/76119-
dc.description.abstractThe present numerical study is on the fully developed bifurcation structure of forced convection in a tightly coiled duct of square cross-section and curvature ratio of 0.5 in a high Dean number region. Ten solution branches, two symmetric and eight asymmetric, are found. Among them, one symmetric branch and seven asymmetric branches have not been reported in the literature. On these new branches, the flow has a structural 2-, 4-, 5-, 6-, 7- or 8-cell. The mean friction factor and Nusselt number are different on various solution branches. In tightly coiled ducts, the secondary flow enhances the heat transfer more significantly than the friction increase. © 2007 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/nlmen_HK
dc.relation.ispartofInternational Journal of Non-Linear Mechanicsen_HK
dc.subjectBifurcationen_HK
dc.subjectForced convectionen_HK
dc.subjectHigh Dean number regionen_HK
dc.subjectTightly coiled ductsen_HK
dc.titleForced convection in tightly coiled ducts: Bifurcation in a high Dean number regionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0020-7462&volume=42&spage=1018&epage=1034&date=2007&atitle=Forced+convection+in+tightly+coiled+ducts:+bifurcation+in+a+high+Dean+number+regionen_HK
dc.identifier.emailWang, L:lqwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, L=rp00184en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.ijnonlinmec.2007.05.005en_HK
dc.identifier.scopuseid_2-s2.0-34948861202en_HK
dc.identifier.hkuros152123en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34948861202&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume42en_HK
dc.identifier.issue8en_HK
dc.identifier.spage1018en_HK
dc.identifier.epage1034en_HK
dc.identifier.isiWOS:000250930000005-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridWang, L=35235288500en_HK
dc.identifier.scopusauthoridLiu, F=17233795400en_HK

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