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Article: General integral formulation of turbulent buoyant jets in cross-flow

TitleGeneral integral formulation of turbulent buoyant jets in cross-flow
Authors
Issue Date1996
PublisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/hy.html
Citation
Journal Of Hydraulic Engineering, 1996, v. 122 n. 1, p. 27-34 How to Cite?
AbstractThe turbulent buoyant jet in a nonuniform cross-flow is formulated using a general integral method. The integral equations for the turbulent motion through the jet cross section are derived for a fixed control volume and expressed in vector form. In contrast to previous work, the new formulation does not require the a priori assumption of a velocity and concentration distribution. Coupled with a Lagrangian jet spreading hypothesis and the inclusion of added mass effect, the model is shown to predict correctly the properties of the asymptotic flow regimes in both the near field (straight jet and plume) and the far field (advected line puff and thermal). Predictions of the path-averaged jet properties are shown to be consistently supported by experimental data on visual trajectory and jet width, and centerline minimum dilution. The relation between the present formulation and previous Lagrangian/Eulerian models is also discussed.
Persistent Identifierhttp://hdl.handle.net/10722/71485
ISSN
2015 Impact Factor: 1.284
2015 SCImago Journal Rankings: 0.908
References

 

DC FieldValueLanguage
dc.contributor.authorChu, VHen_HK
dc.contributor.authorLee, JHWen_HK
dc.date.accessioned2010-09-06T06:32:25Z-
dc.date.available2010-09-06T06:32:25Z-
dc.date.issued1996en_HK
dc.identifier.citationJournal Of Hydraulic Engineering, 1996, v. 122 n. 1, p. 27-34en_HK
dc.identifier.issn0733-9429en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71485-
dc.description.abstractThe turbulent buoyant jet in a nonuniform cross-flow is formulated using a general integral method. The integral equations for the turbulent motion through the jet cross section are derived for a fixed control volume and expressed in vector form. In contrast to previous work, the new formulation does not require the a priori assumption of a velocity and concentration distribution. Coupled with a Lagrangian jet spreading hypothesis and the inclusion of added mass effect, the model is shown to predict correctly the properties of the asymptotic flow regimes in both the near field (straight jet and plume) and the far field (advected line puff and thermal). Predictions of the path-averaged jet properties are shown to be consistently supported by experimental data on visual trajectory and jet width, and centerline minimum dilution. The relation between the present formulation and previous Lagrangian/Eulerian models is also discussed.en_HK
dc.languageengen_HK
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/hy.htmlen_HK
dc.relation.ispartofJournal of Hydraulic Engineeringen_HK
dc.rightsJournal of Hydraulic Engineering. Copyright © American Society of Civil Engineers.en_HK
dc.titleGeneral integral formulation of turbulent buoyant jets in cross-flowen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0733-9429&volume=122&spage=27&epage=34&date=1996&atitle=General+integral+formulation+of+turbulent+buoyant+jets+in+cross-+flowen_HK
dc.identifier.emailLee, JHW: hreclhw@hku.hken_HK
dc.identifier.authorityLee, JHW=rp00061en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0029679443en_HK
dc.identifier.hkuros9201en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0029679443&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume122en_HK
dc.identifier.issue1en_HK
dc.identifier.spage27en_HK
dc.identifier.epage34en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChu, VH=7102205846en_HK
dc.identifier.scopusauthoridLee, JHW=36078318900en_HK

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