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Comparing mixing and displacement ventilation in classrooms: pupils' perception and health
Uppsala University.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building, Energy and Environmental Engineering, Building science - installation technology. (Indoor environment)ORCID iD: 0000-0002-0337-8004
Uppsala University.
2011 (English)In: Indoor Air, ISSN 0905-6947, E-ISSN 1600-0668, Vol. 21, no 6, p. 454-461Article in journal (Refereed) Published
Abstract [en]

Several studies have found that indoor air quality (IAQ) in schools is often poor and may affect the health of the pupils. Building ventilation is a means to reduce pollutant indoors but different designs should be evaluated for their effectiveness in different environments. In a field experiment performed in four classrooms in one school building we alternately supplied the air according to the mixing and displacement mode and collected information on exposures, pupils’ perception of IAQ and climate, health symptoms and performed clinical examinations. At breathing height, room temperature, relative humidity and the concentration of CO2 and cat allergen were similar in the periods with each ventilation type. The children perceived indoor air quality as similar in the two ventilation regimes, and there were few differences in symptom reports or clinical parameters. However, the pupils reported more eye symptoms during displacement ventilation.

Place, publisher, year, edition, pages
2011. Vol. 21, no 6, p. 454-461
Keyword [en]
Experimental field study, Ventilation systems, Mixing ventilation, Displacement ventilation, Air quality, Cat allergen, Schools, Pupils, Symptoms
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:hig:diva-9274DOI: 10.1111/j.1600-0668.2011.00725.xISI: 000297417800003PubMedID: 21615502Scopus ID: 2-s2.0-84899895803OAI: oai:DiVA.org:hig-9274DiVA: diva2:417433
Available from: 2011-05-17 Created: 2011-05-17 Last updated: 2018-01-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • sv-SE
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  • nn-NB
  • de-DE
  • Other locale
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