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Article: A study of natural ventilation in a refuge floor

TitleA study of natural ventilation in a refuge floor
Authors
KeywordsHigh-rise fire safety
Natural ventilation
Refuge floor design
Issue Date2007
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/buildenv
Citation
Building And Environment, 2007, v. 42 n. 9, p. 3322-3332 How to Cite?
AbstractUnder the Building Codes of Hong Kong Special Administration Region, the provision of refuge floors has been an indispensable element in high-rise building design since 1996. Wind-induced cross natural ventilation is an important design criterion of a refuge floor since it helps to prevent any smoke entering to become persistent state remained (logging) on the refuge floor. This paper reports a study of refuge floor natural ventilation induced by wind flow around a high-rise building with a refuge floor arriving from different wind incidence angles. The study is based on CFD simulations which are validated by wind tunnel measurements. The refuge floor under investigation has a main services core at the centre and support walls flush with the building walls along two opposite sides. The results reveal that at all wind angles, wind is able to enter the refuge space from the windward side and escape from the leeward side. At some wind angles, wind is found to re-enter the refuge space from the leeward opening and accumulate behind the main services core. Based on the results, we suggest that stairs connecting to the refuge space should be located inside the side corridors formed by the internal and external side walls. © 2006 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/71729
ISSN
2015 Impact Factor: 3.394
2015 SCImago Journal Rankings: 2.121
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorCheng, CCKen_HK
dc.contributor.authorLam, KMen_HK
dc.contributor.authorYuen, RKKen_HK
dc.contributor.authorLo, SMen_HK
dc.contributor.authorLiang, Jen_HK
dc.date.accessioned2010-09-06T06:34:38Z-
dc.date.available2010-09-06T06:34:38Z-
dc.date.issued2007en_HK
dc.identifier.citationBuilding And Environment, 2007, v. 42 n. 9, p. 3322-3332en_HK
dc.identifier.issn0360-1323en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71729-
dc.description.abstractUnder the Building Codes of Hong Kong Special Administration Region, the provision of refuge floors has been an indispensable element in high-rise building design since 1996. Wind-induced cross natural ventilation is an important design criterion of a refuge floor since it helps to prevent any smoke entering to become persistent state remained (logging) on the refuge floor. This paper reports a study of refuge floor natural ventilation induced by wind flow around a high-rise building with a refuge floor arriving from different wind incidence angles. The study is based on CFD simulations which are validated by wind tunnel measurements. The refuge floor under investigation has a main services core at the centre and support walls flush with the building walls along two opposite sides. The results reveal that at all wind angles, wind is able to enter the refuge space from the windward side and escape from the leeward side. At some wind angles, wind is found to re-enter the refuge space from the leeward opening and accumulate behind the main services core. Based on the results, we suggest that stairs connecting to the refuge space should be located inside the side corridors formed by the internal and external side walls. © 2006 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/buildenven_HK
dc.relation.ispartofBuilding and Environmenten_HK
dc.subjectHigh-rise fire safetyen_HK
dc.subjectNatural ventilationen_HK
dc.subjectRefuge floor designen_HK
dc.titleA study of natural ventilation in a refuge flooren_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0360-1323&volume=42&issue=9&spage=3322&epage=3332&date=2007&atitle=A+study+of+natural+ventilation+in+a+refuge+flooren_HK
dc.identifier.emailLam, KM:kmlam@hku.hken_HK
dc.identifier.authorityLam, KM=rp00134en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.buildenv.2006.08.031en_HK
dc.identifier.scopuseid_2-s2.0-34147158305en_HK
dc.identifier.hkuros177009en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34147158305&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume42en_HK
dc.identifier.issue9en_HK
dc.identifier.spage3322en_HK
dc.identifier.epage3332en_HK
dc.identifier.isiWOS:000246650600019-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridCheng, CCK=16202021900en_HK
dc.identifier.scopusauthoridLam, KM=7403656958en_HK
dc.identifier.scopusauthoridYuen, RKK=7006668818en_HK
dc.identifier.scopusauthoridLo, SM=8350445500en_HK
dc.identifier.scopusauthoridLiang, J=7404541471en_HK

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