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Transportation of particles in convection flows
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Services Engineering.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Services Engineering.
2007 (English)In: Roomvent 2007: 10th International Conference on Air Distribution in Rooms / [ed] Olli Seppänen, Jorma Säteri, 2007Conference paper, Published paper (Refereed)
Abstract [en]

Experimental results of the particulate contaminant distribution of resuspended particles inconvection flows from different heat sources with different ventilation systems and layoutsare presented. It was concluded that the ventilation system did not resuspend particles fromthe floor, walking in a contaminated area however did resuspend particles and a large numberconcentration of fine and ultrafine particles was measured in the breathing zone of personsimulators (sitting on a chair, in a wheelchair or lying in a bed). The geometry of thesimulators and the layout of the room had a big influence on the exposure. The particleconcentration in the convection flows was much higher with displacement than with mixingventilation indicating a higher exposure risk. As potential health problems are more closelyassociated with particle number or surface area than with particle mass this study can be ofinterest when designing a ventilation system.

Place, publisher, year, edition, pages
2007.
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:kth:diva-63857OAI: oai:DiVA.org:kth-63857DiVA: diva2:482887
Conference
Roomvent 2007
Note
Qc 20120202Available from: 2012-02-02 Created: 2012-01-24 Last updated: 2012-02-02Bibliographically approved

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fulltext(215 kB)122 downloads
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Type fulltextMimetype application/pdf

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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