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Article: Time-averaged mixing behavior of circular jet in counterflow: Velocity and concentration measurements

TitleTime-averaged mixing behavior of circular jet in counterflow: Velocity and concentration measurements
Authors
KeywordsData analysis
Hydraulic jets
Measurement
Velocity
Issue Date2002
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, 2002, v. 128 n. 9, p. 861-865 How to Cite?
AbstractThe time-averaged mixing behavior of a circular jet issuing into a counterflow is investigated in the laboratory at a number of jet-to-current velocity ratios between 3 and 15. The velocity field is obtained from laser Doppler anemometry measurements and the mean concentration field of the jet is measured by laser-induced fluorescence. A similarity analysis is performed on the radial profiles of mean velocity at successive streamwise stations. This is achieved by expressing the mean velocities as jet excess velocities over the ambient counterflow. The agreement of data to the similarity profiles suggested by previous studies is discussed. A similarity analysis is also attempted for the radial distributions of mean concentration. Data are presented on the axial growth of the momentum width and the concentration width of the jet in a counterflow.
Persistent Identifierhttp://hdl.handle.net/10722/70862
ISSN
2015 Impact Factor: 1.284
2015 SCImago Journal Rankings: 0.908
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLam, KMen_HK
dc.contributor.authorChan, CHCen_HK
dc.date.accessioned2010-09-06T06:26:47Z-
dc.date.available2010-09-06T06:26:47Z-
dc.date.issued2002en_HK
dc.identifier.citationJournal Of Hydraulic Engineering, 2002, v. 128 n. 9, p. 861-865en_HK
dc.identifier.issn0733-9429en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70862-
dc.description.abstractThe time-averaged mixing behavior of a circular jet issuing into a counterflow is investigated in the laboratory at a number of jet-to-current velocity ratios between 3 and 15. The velocity field is obtained from laser Doppler anemometry measurements and the mean concentration field of the jet is measured by laser-induced fluorescence. A similarity analysis is performed on the radial profiles of mean velocity at successive streamwise stations. This is achieved by expressing the mean velocities as jet excess velocities over the ambient counterflow. The agreement of data to the similarity profiles suggested by previous studies is discussed. A similarity analysis is also attempted for the radial distributions of mean concentration. Data are presented on the axial growth of the momentum width and the concentration width of the jet in a counterflow.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.subjectData analysisen_HK
dc.subjectHydraulic jetsen_HK
dc.subjectMeasurementen_HK
dc.subjectVelocityen_HK
dc.titleTime-averaged mixing behavior of circular jet in counterflow: Velocity and concentration measurementsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0733-9429&volume=128&issue=9&spage=861&epage=865&date=2002&atitle=Time-averaged+mixing+behavior+of+circular+jet+in+counterflow:+Velocity+and+concentration+measurementsen_HK
dc.identifier.emailLam, KM:kmlam@hku.hken_HK
dc.identifier.authorityLam, KM=rp00134en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1061/(ASCE)0733-9429(2002)128:9(861)en_HK
dc.identifier.scopuseid_2-s2.0-0036734745en_HK
dc.identifier.hkuros81988en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036734745&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume128en_HK
dc.identifier.issue9en_HK
dc.identifier.spage861en_HK
dc.identifier.epage865en_HK
dc.identifier.isiWOS:000177519300008-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLam, KM=7403656958en_HK
dc.identifier.scopusauthoridChan, CHC=55031165800en_HK

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