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Article: Flow bifurcation due to opposing buoyancy in two vertically connected open cavities

TitleFlow bifurcation due to opposing buoyancy in two vertically connected open cavities
Authors
Li, YXu, PQian, HDeng, QHWu, J
KeywordsBuoyancy flows
Computational fluid dynamics
Hopf bifurcation
Hysteresis phenomenon
Non-linear analysis
Open cavity
Issue Date2006
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/ijhmt
Citation
International Journal Of Heat And Mass Transfer, 2006, v. 49 n. 19-20, p. 3298-3312 How to Cite?
DOI: http://dx.doi.org/10.1016/j.ijheatmasstransfer.2006.03.016
AbstractA bifurcation behaviour of flows driven by opposing buoyancy in two vertically connected open cavities was found and investigated using flow visualization experiments, theoretical analysis and computational fluid dynamics simulations. In the theoretical analysis, the fluid in each cavity was assumed to be fully mixed. It was found that two stable fixed points exist for a certain range of strength ratios of the heat source/sink. Hysteresis phenomenon was found between the two stable steady flows. The simple theoretical analysis suggests that two Hopf bifurcations also occur. Both computational fluid dynamics simulations and flow visualization confirm the existence of two stable solutions. © 2006 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/76052
ISSN
0017-9310
2021 Impact Factor: 5.431
2020 SCImago Journal Rankings: 1.713
ISI Accession Number ID
WOS:000239442400002
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorLi, Yen_HK
dc.contributor.authorXu, Pen_HK
dc.contributor.authorQian, Hen_HK
dc.contributor.authorDeng, QHen_HK
dc.contributor.authorWu, Jen_HK
dc.date.accessioned2010-09-06T07:17:10Z-
dc.date.available2010-09-06T07:17:10Z-
dc.date.issued2006en_HK
dc.identifier.citationInternational Journal Of Heat And Mass Transfer, 2006, v. 49 n. 19-20, p. 3298-3312en_HK
dc.identifier.issn0017-9310en_HK
dc.identifier.urihttp://hdl.handle.net/10722/76052-
dc.description.abstractA bifurcation behaviour of flows driven by opposing buoyancy in two vertically connected open cavities was found and investigated using flow visualization experiments, theoretical analysis and computational fluid dynamics simulations. In the theoretical analysis, the fluid in each cavity was assumed to be fully mixed. It was found that two stable fixed points exist for a certain range of strength ratios of the heat source/sink. Hysteresis phenomenon was found between the two stable steady flows. The simple theoretical analysis suggests that two Hopf bifurcations also occur. Both computational fluid dynamics simulations and flow visualization confirm the existence of two stable solutions. © 2006 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/ijhmten_HK
dc.relation.ispartofInternational Journal of Heat and Mass Transferen_HK
dc.subjectBuoyancy flowsen_HK
dc.subjectComputational fluid dynamicsen_HK
dc.subjectHopf bifurcationen_HK
dc.subjectHysteresis phenomenonen_HK
dc.subjectNon-linear analysisen_HK
dc.subjectOpen cavityen_HK
dc.titleFlow bifurcation due to opposing buoyancy in two vertically connected open cavitiesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0017-9310&volume=49&spage=3298&epage=3312&date=2006&atitle=Flow+bifurcation+due+to+opposing+buoyancy+in+two+vertically+connected+open+cavitiesen_HK
dc.identifier.emailLi, Y:liyg@hkucc.hku.hken_HK
dc.identifier.authorityLi, Y=rp00151en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.ijheatmasstransfer.2006.03.016en_HK
dc.identifier.scopuseid_2-s2.0-33745394018en_HK
dc.identifier.hkuros118208en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33745394018&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume49en_HK
dc.identifier.issue19-20en_HK
dc.identifier.spage3298en_HK
dc.identifier.epage3312en_HK
dc.identifier.isiWOS:000239442400002-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridLi, Y=7502094052en_HK
dc.identifier.scopusauthoridXu, P=8440784800en_HK
dc.identifier.scopusauthoridQian, H=36091859600en_HK
dc.identifier.scopusauthoridDeng, QH=36436783200en_HK
dc.identifier.scopusauthoridWu, J=7409249637en_HK
dc.identifier.issnl0017-9310-

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