File Download

There are no files associated with this item.

  Links for fulltext
     (May Require Subscription)
Supplementary

Article: Three-Dimensional Computations of Multiple Tandem Jets in Crossflow

TitleThree-Dimensional Computations of Multiple Tandem Jets in Crossflow
Authors
KeywordsComputational fluid dynamics
Jet in crossflow
Mixing and transport
Multiple jets
Realizable turbulence model
Issue Date2006
PublisherHaiyang Chubanshe.
Citation
China Ocean Engineering, 2006, v. 20 n. 1, p. 99-112 How to Cite?
AbstractThe mixing and merging characteristics of multiple tandem jets in crossflow are investigated by use of the Computational Fluid Dynamics (CFD) code FLUENT. The realizable k~ε model is employed for turbulent closure of the Reynolds-averaged Navier-Stokes equations. Numerical experiments are performed for 1-, 2- and 4-jet groups, for jet-to-crossflow velocity ratios of R = 4.2~16.3. The computed velocity and scalar concentration field are in good agreement with experiments using Particle Image Velocimetry (PIV) and Laser Induced Fluorescence (LIF), as well as previous work. The results show that the leading jet behavior is similar to a single free jet in crossflow, while all the downstream rear jets have less bent-over jet trajectories-suggesting a reduced ambient velocity for the rear jets. The concentration decay of the leading jet is greater than that of the rear jets. When normalized by appropriate crossflow momentum length scales, all jet trajectories follow a universal relation regardless of the sequential order of jet position and the number of jets. Supported by the velocity and trajectory measurements, the averaged maximum effective crossflow velocity ratio is computed to be in the range of 0.39 to 0.47.
Persistent Identifierhttp://hdl.handle.net/10722/71109
ISSN
2015 Impact Factor: 0.435
2015 SCImago Journal Rankings: 0.422

 

DC FieldValueLanguage
dc.contributor.authorXiao, Yen_HK
dc.contributor.authorLee, JHWen_HK
dc.date.accessioned2010-09-06T06:28:59Z-
dc.date.available2010-09-06T06:28:59Z-
dc.date.issued2006en_HK
dc.identifier.citationChina Ocean Engineering, 2006, v. 20 n. 1, p. 99-112en_HK
dc.identifier.issn0890-5487en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71109-
dc.description.abstractThe mixing and merging characteristics of multiple tandem jets in crossflow are investigated by use of the Computational Fluid Dynamics (CFD) code FLUENT. The realizable k~ε model is employed for turbulent closure of the Reynolds-averaged Navier-Stokes equations. Numerical experiments are performed for 1-, 2- and 4-jet groups, for jet-to-crossflow velocity ratios of R = 4.2~16.3. The computed velocity and scalar concentration field are in good agreement with experiments using Particle Image Velocimetry (PIV) and Laser Induced Fluorescence (LIF), as well as previous work. The results show that the leading jet behavior is similar to a single free jet in crossflow, while all the downstream rear jets have less bent-over jet trajectories-suggesting a reduced ambient velocity for the rear jets. The concentration decay of the leading jet is greater than that of the rear jets. When normalized by appropriate crossflow momentum length scales, all jet trajectories follow a universal relation regardless of the sequential order of jet position and the number of jets. Supported by the velocity and trajectory measurements, the averaged maximum effective crossflow velocity ratio is computed to be in the range of 0.39 to 0.47.en_HK
dc.languageengen_HK
dc.publisherHaiyang Chubanshe.en_HK
dc.relation.ispartofChina Ocean Engineeringen_HK
dc.subjectComputational fluid dynamicsen_HK
dc.subjectJet in crossflowen_HK
dc.subjectMixing and transporten_HK
dc.subjectMultiple jetsen_HK
dc.subjectRealizable turbulence modelen_HK
dc.titleThree-Dimensional Computations of Multiple Tandem Jets in Crossflowen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0890-5487&volume=20&issue=1&spage=99&epage=112&date=2006&atitle=Three-dimensional+computations+of+multiple+tandem+jets+in+crossflowen_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-s2.0-33747468594en_HK
dc.identifier.hkuros118046en_HK
dc.identifier.volume20en_HK
dc.identifier.issue1en_HK
dc.identifier.spage99en_HK
dc.identifier.epage112en_HK
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridXiao, Y=54396377900en_HK
dc.identifier.scopusauthoridLee, JHW=36078318900en_HK

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats