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Article: Predicting and understanding temporal 3D exterior surface temperature distribution in an ideal courtyard
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TitlePredicting and understanding temporal 3D exterior surface temperature distribution in an ideal courtyard
 
AuthorsYang, X1
Li, Y1
Yang, L1
 
KeywordsCourtyard
Micro Scale Heat Island
Thermal Mass
Thermal Radiation
Urban Thermal Environment
 
Issue Date2012
 
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/buildenv
 
CitationBuilding And Environment, 2012, v. 57, p. 38-48 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.buildenv.2012.03.022
 
AbstractMicro-scale heat island phenomenon refers to the temperature rise of a micro-scale built area, e.g. a street, a square and/or even an urban district above the ambient air over the area. This paper presents a simple temporal 3D air and surface temperature model for an ideal courtyard, which is a semi-enclosed open space surrounded by buildings. The prediction model includes the transient heat conduction in the ground and through the buildings walls, the heat removal/addition by courtyard ventilation, and detailed solar radiation and thermal radiation exchanges between surfaces. The air temperature in the courtyard and its surface temperature distribution can be analyzed minute by minute within a day or during a longer period if the temporal ambient air temperature and weather data are given. We simulated a courtyard located in Beijing. The solar radiation and the urban structures are found to be the most important factors in determining the courtyard thermal environment during both summer and winter. The thermal properties of the building walls also play a significant role. The results are revealing in developing effective methods for mitigating or managing micro heat island, and control thermal environment in a courtyard. © 2012 Elsevier Ltd.
 
ISSN0360-1323
2013 Impact Factor: 2.700
2013 SCImago Journal Rankings: 1.634
 
DOIhttp://dx.doi.org/10.1016/j.buildenv.2012.03.022
 
ISI Accession Number IDWOS:000307618900005
 
DC FieldValue
dc.contributor.authorYang, X
 
dc.contributor.authorLi, Y
 
dc.contributor.authorYang, L
 
dc.date.accessioned2012-08-08T08:45:46Z
 
dc.date.available2012-08-08T08:45:46Z
 
dc.date.issued2012
 
dc.description.abstractMicro-scale heat island phenomenon refers to the temperature rise of a micro-scale built area, e.g. a street, a square and/or even an urban district above the ambient air over the area. This paper presents a simple temporal 3D air and surface temperature model for an ideal courtyard, which is a semi-enclosed open space surrounded by buildings. The prediction model includes the transient heat conduction in the ground and through the buildings walls, the heat removal/addition by courtyard ventilation, and detailed solar radiation and thermal radiation exchanges between surfaces. The air temperature in the courtyard and its surface temperature distribution can be analyzed minute by minute within a day or during a longer period if the temporal ambient air temperature and weather data are given. We simulated a courtyard located in Beijing. The solar radiation and the urban structures are found to be the most important factors in determining the courtyard thermal environment during both summer and winter. The thermal properties of the building walls also play a significant role. The results are revealing in developing effective methods for mitigating or managing micro heat island, and control thermal environment in a courtyard. © 2012 Elsevier Ltd.
 
dc.description.naturelink_to_subscribed_fulltext
 
dc.identifier.citationBuilding And Environment, 2012, v. 57, p. 38-48 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.buildenv.2012.03.022
 
dc.identifier.citeulike10682268
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.buildenv.2012.03.022
 
dc.identifier.epage48
 
dc.identifier.hkuros224060
 
dc.identifier.isiWOS:000307618900005
 
dc.identifier.issn0360-1323
2013 Impact Factor: 2.700
2013 SCImago Journal Rankings: 1.634
 
dc.identifier.scopuseid_2-s2.0-84860996614
 
dc.identifier.spage38
 
dc.identifier.urihttp://hdl.handle.net/10722/157197
 
dc.identifier.volume57
 
dc.languageeng
 
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/buildenv
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofBuilding and Environment
 
dc.subjectCourtyard
 
dc.subjectMicro Scale Heat Island
 
dc.subjectThermal Mass
 
dc.subjectThermal Radiation
 
dc.subjectUrban Thermal Environment
 
dc.titlePredicting and understanding temporal 3D exterior surface temperature distribution in an ideal courtyard
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong