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Article: Numerical simulations of flow-field interactions between moving and stationary objects in idealized street canyon settings

TitleNumerical simulations of flow-field interactions between moving and stationary objects in idealized street canyon settings
Authors
KeywordsHigh-order finite-difference method
Navier-Stokes equations
Overlapping grid
Issue Date2006
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jfs
Citation
Journal Of Fluids And Structures, 2006, v. 22 n. 3, p. 315-326 How to Cite?
AbstractNumerical simulations of an ideal model of street canyons with moving objects in the horizontal plane were conducted. The simulations were based on the unsteady two-dimensional incompressible Navier-Stokes equations, discretized on an overlapping grid with a numerical scheme that is second-order accurate in both space and time. The computational domain consists of a rectangular background with eight fixed objects arranged in two parallel columns representing the street canyon. Four identical objects were put in each column equidistantly. One or two identical objects were moving along the symmetry line of the computational domain. The objects were either circular or rectangular with rounded corners in shape. The numerical method was first validated by comparing with existing experimental and simulation data. A parametric study was carried out to investigate the influence of the characteristic parameters (such as canyon width, velocity of the moving objects, and separation distance between them) on the wake of the moving objects. © 2006 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/75931
ISSN
2015 Impact Factor: 1.709
2015 SCImago Journal Rankings: 1.282
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorXia, JYen_HK
dc.contributor.authorLeung, DYCen_HK
dc.contributor.authorHussaini, MYen_HK
dc.date.accessioned2010-09-06T07:15:57Z-
dc.date.available2010-09-06T07:15:57Z-
dc.date.issued2006en_HK
dc.identifier.citationJournal Of Fluids And Structures, 2006, v. 22 n. 3, p. 315-326en_HK
dc.identifier.issn0889-9746en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75931-
dc.description.abstractNumerical simulations of an ideal model of street canyons with moving objects in the horizontal plane were conducted. The simulations were based on the unsteady two-dimensional incompressible Navier-Stokes equations, discretized on an overlapping grid with a numerical scheme that is second-order accurate in both space and time. The computational domain consists of a rectangular background with eight fixed objects arranged in two parallel columns representing the street canyon. Four identical objects were put in each column equidistantly. One or two identical objects were moving along the symmetry line of the computational domain. The objects were either circular or rectangular with rounded corners in shape. The numerical method was first validated by comparing with existing experimental and simulation data. A parametric study was carried out to investigate the influence of the characteristic parameters (such as canyon width, velocity of the moving objects, and separation distance between them) on the wake of the moving objects. © 2006 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jfsen_HK
dc.relation.ispartofJournal of Fluids and Structuresen_HK
dc.subjectHigh-order finite-difference methoden_HK
dc.subjectNavier-Stokes equationsen_HK
dc.subjectOverlapping griden_HK
dc.titleNumerical simulations of flow-field interactions between moving and stationary objects in idealized street canyon settingsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0889-9746&volume=22&spage=315&epage=326&date=2006&atitle=Numerical+simulations+of+flow-field+interactions+between+moving+and+stationary+objects+in+idealized+street+canyon+settingsen_HK
dc.identifier.emailLeung, DYC:ycleung@hku.hken_HK
dc.identifier.authorityLeung, DYC=rp00149en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jfluidstructs.2005.12.003en_HK
dc.identifier.scopuseid_2-s2.0-33645741382en_HK
dc.identifier.hkuros117365en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33645741382&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume22en_HK
dc.identifier.issue3en_HK
dc.identifier.spage315en_HK
dc.identifier.epage326en_HK
dc.identifier.isiWOS:000237099900002-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridXia, JY=8545421200en_HK
dc.identifier.scopusauthoridLeung, DYC=7203002484en_HK
dc.identifier.scopusauthoridHussaini, MY=7005270275en_HK

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