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Conference Paper: Near-building vertical concentration profile of air pollutants in a densely populated and high-rise urban environment

TitleNear-building vertical concentration profile of air pollutants in a densely populated and high-rise urban environment
Authors
Issue Date2006
PublisherInternational Society of Indoor Air Quality and Climate (ISIAQ)
Citation
8th International Conference and Exhibition on Healthy Buildings 2006 (HB 2006): Creating a Healthy Indoor Environment for People, Lisboa, Portugal, 4 – 8 June 2006. Proceedings, v. III, p. 43-48 How to Cite?
AbstractThe indoor air quality depends highly on the concentration of outdoor air pollutants. Before devising effective ventilation strategies for high-rise buildings in a densely populated urban environment, it is important to understand the near building vertical concentration profile of various air pollutants. It is found that carbon dioxide and PM10 concentrations decreased along the building height in a crowded city center, while for a building in a relatively remote urban area, PM10 concentrations, but not for carbon dioxide, showed the same decreasing trend. Also, the concentration of PM1 showed no significant changes in their vertical profile, and it became the prime source of airborne particulate matter pollutant at higher level. It is concluded that a mechanical ventilation system for a high-rise urban building should be designed to cope with, not only the amount of outdoor air intake, but also the pollutants filtration at various heights of the building.
Persistent Identifierhttp://hdl.handle.net/10722/100880
ISBN

 

DC FieldValueLanguage
dc.contributor.authorTsui, KCen_HK
dc.contributor.authorLi, Yen_HK
dc.date.accessioned2010-09-25T19:27:09Z-
dc.date.available2010-09-25T19:27:09Z-
dc.date.issued2006en_HK
dc.identifier.citation8th International Conference and Exhibition on Healthy Buildings 2006 (HB 2006): Creating a Healthy Indoor Environment for People, Lisboa, Portugal, 4 – 8 June 2006. Proceedings, v. III, p. 43-48en_HK
dc.identifier.isbn978-1-62276-998-8-
dc.identifier.urihttp://hdl.handle.net/10722/100880-
dc.description.abstractThe indoor air quality depends highly on the concentration of outdoor air pollutants. Before devising effective ventilation strategies for high-rise buildings in a densely populated urban environment, it is important to understand the near building vertical concentration profile of various air pollutants. It is found that carbon dioxide and PM10 concentrations decreased along the building height in a crowded city center, while for a building in a relatively remote urban area, PM10 concentrations, but not for carbon dioxide, showed the same decreasing trend. Also, the concentration of PM1 showed no significant changes in their vertical profile, and it became the prime source of airborne particulate matter pollutant at higher level. It is concluded that a mechanical ventilation system for a high-rise urban building should be designed to cope with, not only the amount of outdoor air intake, but also the pollutants filtration at various heights of the building.-
dc.languageengen_HK
dc.publisherInternational Society of Indoor Air Quality and Climate (ISIAQ)-
dc.relation.ispartofProceedings of Healthy Buildings 2006en_HK
dc.titleNear-building vertical concentration profile of air pollutants in a densely populated and high-rise urban environmenten_HK
dc.typeConference_Paperen_HK
dc.identifier.emailLi, Y: liyg@HKUCC.hku.hken_HK
dc.identifier.authorityLi, Y=rp00151en_HK
dc.identifier.scopuseid_2-s2.0-84871579092-
dc.identifier.hkuros118237en_HK
dc.identifier.volumeIIIen_HK
dc.identifier.spage43en_HK
dc.identifier.epage48en_HK

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