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Outdoor Air Contami...
Outdoor Air Contaminants and Indoor Air Quality under Transient Conditions
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- Ekberg, Lars, 1962 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- Hindawi Limited, 1994
- 1994
- English.
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In: Indoor Air. - : Hindawi Limited. - 1600-0668 .- 0905-6947. ; 4:3, s. 189-196
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Abstract
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- The indoor concentrations of contaminants originating from outdoor sources have been measured and calculated under transient conditions. The results show that contaminants that are supplied to an office building via the ventilation system can reach considerably high concentration levels. The indoor/outdoor concentration ratio and time lag are dependent on the air change rate. In buildings with low air change rates the indoor concentration variations are smoothed out compared to buildings with high air change rates. The results from the theoretical model are compared to the results from both laboratory and field measurements and the model is verified for well mixed conditions in a 20 m3 test chamber. The model can be used to simulate different control strategies for reduction of indoor contaminant concentrations related to outdoor sources. One such control strategy is based on reduction of the outdoor air change rate during periods with peak outdoor contaminant concentrations.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Husbyggnad (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Building Technologies (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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