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Conference Paper: Cross infection in hospital wards with downward ventilation: different locations of return openings without and with partitions between beds

TitleCross infection in hospital wards with downward ventilation: different locations of return openings without and with partitions between beds
Authors
Nielsen, PVLi, YBuus, MWinther, FV
Issue Date2009
Citation
The 11th International Conference on Air Distribution in Rooms (RoomVent 2009), Busan, South Korea, 24-27 May 2009. In Proceedings of the 11th International Conference on Air Distribution in Rooms, 2009, p. 770-779 How to Cite?
AbstractA two-bed hospital ward with one standing healthcare assistant and a ceiling-mounted low-impulse semicircular inlet diffuser is simulated in a full-scale room. Tracer gas is used for simulating gaseous contaminants, and the concentration is measured at different air change rates and different postures of the patients. A textile partition between the beds, which is typical in a hospital ward, is used for protection of the patients in some of the experiments. Three different layouts of return openings are tested. One layout with one opening at the ceiling, another with four openings at the wall opposite to the inlet diffuser, and one with a high location of these four openings. The downward recirculating flow is on average parallel with the partition, and the partition does not decrease cross infection. A high location of the four return openings decreases the risk of cross infection.
Persistent Identifierhttp://hdl.handle.net/10722/126324

 

DC FieldValueLanguage
dc.contributor.authorNielsen, PVen_HK
dc.contributor.authorLi, Yen_HK
dc.contributor.authorBuus, Men_HK
dc.contributor.authorWinther, FVen_HK
dc.date.accessioned2010-10-31T12:22:08Z-
dc.date.available2010-10-31T12:22:08Z-
dc.date.issued2009en_HK
dc.identifier.citationThe 11th International Conference on Air Distribution in Rooms (RoomVent 2009), Busan, South Korea, 24-27 May 2009. In Proceedings of the 11th International Conference on Air Distribution in Rooms, 2009, p. 770-779en_HK
dc.identifier.urihttp://hdl.handle.net/10722/126324-
dc.description.abstractA two-bed hospital ward with one standing healthcare assistant and a ceiling-mounted low-impulse semicircular inlet diffuser is simulated in a full-scale room. Tracer gas is used for simulating gaseous contaminants, and the concentration is measured at different air change rates and different postures of the patients. A textile partition between the beds, which is typical in a hospital ward, is used for protection of the patients in some of the experiments. Three different layouts of return openings are tested. One layout with one opening at the ceiling, another with four openings at the wall opposite to the inlet diffuser, and one with a high location of these four openings. The downward recirculating flow is on average parallel with the partition, and the partition does not decrease cross infection. A high location of the four return openings decreases the risk of cross infection.-
dc.languageengen_HK
dc.relation.ispartofProceedings of the 11th International Conference on Air Distribution in Rooms-
dc.titleCross infection in hospital wards with downward ventilation: different locations of return openings without and with partitions between bedsen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailNielsen, PV: pvn@civil.aau.dken_HK
dc.identifier.emailLi, Y: liyg@hkucc.hku.hk-
dc.identifier.authorityLi, Y=rp00151en_HK
dc.description.naturepostprint-
dc.identifier.hkuros180454en_HK
dc.identifier.spage770-
dc.identifier.epage779-
dc.description.otherThe 11th International Conference on Air Distribution in Rooms (RoomVent 2009), Busan, South Korea, 24-27 May 2009. In Proceedings of the 11th International Conference on Air Distribution in Rooms, 2009, p. 770-779-

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