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Article: Reliability of numerical computation of pedestrian-level wind environment around a row of tall buildings

TitleReliability of numerical computation of pedestrian-level wind environment around a row of tall buildings
Authors
KeywordsBuilding interaction
CFD
Pedestrian-level winds
Wind environment
Issue Date2006
PublisherTechno-Press. The Journal's web site is located at http://technop.kaist.ac.kr/journal_was.jsp
Citation
Wind And Structures, An International Journal, 2006, v. 9 n. 6, p. 473-492 How to Cite?
AbstractThis paper presents numerical results of pedestrian-level wind environment around the base of a row of tall buildings by CFD. Four configurations of building arrangement are computed including a single square tall building. Computed results of pedestrian-level wind flow patterns and wind speeds are compared to previous wind tunnel measurement data to enable an assessment of CFD predictions. The CFD model uses the finite-volume method with RNG k-ε model for turbulence closure. It is found that the numerical results can reproduce key features of pedestrian-level wind environment such as comer streams around corners of upwind building, sheltered zones behind buildings and channeled high-speed flow through a building gap. However, there are some differences between CFD results and wind tunnel data in the wind speed distribution and locations of highest wind speeds inside the corner streams. In locations of high ground-level wind speeds, CFD values match wind tunnel data within ±10%.
Persistent Identifierhttp://hdl.handle.net/10722/129126
ISSN
2015 Impact Factor: 0.746
2015 SCImago Journal Rankings: 0.366
References

 

DC FieldValueLanguage
dc.contributor.authorLam, KMen_HK
dc.contributor.authorTo, APen_HK
dc.date.accessioned2010-12-23T08:32:52Z-
dc.date.available2010-12-23T08:32:52Z-
dc.date.issued2006en_HK
dc.identifier.citationWind And Structures, An International Journal, 2006, v. 9 n. 6, p. 473-492en_HK
dc.identifier.issn1226-6116en_HK
dc.identifier.urihttp://hdl.handle.net/10722/129126-
dc.description.abstractThis paper presents numerical results of pedestrian-level wind environment around the base of a row of tall buildings by CFD. Four configurations of building arrangement are computed including a single square tall building. Computed results of pedestrian-level wind flow patterns and wind speeds are compared to previous wind tunnel measurement data to enable an assessment of CFD predictions. The CFD model uses the finite-volume method with RNG k-ε model for turbulence closure. It is found that the numerical results can reproduce key features of pedestrian-level wind environment such as comer streams around corners of upwind building, sheltered zones behind buildings and channeled high-speed flow through a building gap. However, there are some differences between CFD results and wind tunnel data in the wind speed distribution and locations of highest wind speeds inside the corner streams. In locations of high ground-level wind speeds, CFD values match wind tunnel data within ±10%.en_HK
dc.languageengen_US
dc.publisherTechno-Press. The Journal's web site is located at http://technop.kaist.ac.kr/journal_was.jspen_HK
dc.relation.ispartofWind and Structures, An International Journalen_HK
dc.subjectBuilding interactionen_HK
dc.subjectCFDen_HK
dc.subjectPedestrian-level windsen_HK
dc.subjectWind environmenten_HK
dc.titleReliability of numerical computation of pedestrian-level wind environment around a row of tall buildingsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1226-6116&volume=9&issue=6&spage=473&epage=492&date=2006&atitle=Reliability+of+numerical+computation+of+pedestrian-level+wind+environment+around+a+row+of+tall+buildings-
dc.identifier.emailLam, KM:kmlam@hku.hken_HK
dc.identifier.authorityLam, KM=rp00134en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-33751372241en_HK
dc.identifier.hkuros177007en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33751372241&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume9en_HK
dc.identifier.issue6en_HK
dc.identifier.spage473en_HK
dc.identifier.epage492en_HK
dc.publisher.placeKorea, Republic ofen_HK
dc.identifier.scopusauthoridLam, KM=7403656958en_HK
dc.identifier.scopusauthoridTo, AP=7004145318en_HK

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