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Theoretical and experimental investigation of impinging jet ventilation and comparison with wall displacement ventilation
Air Innovation AB, Sweden .ORCID iD: 0000-0002-9392-424X
Indoor Environment and Energy Research Group, Department of Construction Management and Engineering, University of Reading, Reading RG6 6AW, United Kingdom .
2002 (English)In: Building and Environment, ISSN 0360-1323, E-ISSN 1873-684X, Vol. 37, no 12, 1329-1342 p.Article in journal (Refereed) Published
Abstract [en]

This paper focuses on evaluating the performance of a new impinging jet ventilation system and compares its performance with a wall displacement ventilation system. Experimental data for an impinging jet in a room are presented and non-dimensional expressions for the decay of maximum velocity over the floor are derived. In addition, the ventilation efficiency, local mean age of air and other characteristic parameters were experimentally and numerically obtained for a mock-up classroom ventilated with the two systems. The internal heat loads from 25 person-simulators and lighting were used in the measurements and simulations to provide a severe test for the two types of ventilation systems. In addition to a large number of experimental data CFD simulations were used to study certain parameters in more detail. The results presented here are part of a larger research programme to develop alternative and efficient systems for room ventilation.

Place, publisher, year, edition, pages
2002. Vol. 37, no 12, 1329-1342 p.
Keyword [en]
impinging jet ventilation; displacement ventilation; classroom ventilation; air jets; room air movement; CFD
National Category
Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:hig:diva-17830DOI: 10.1016/S0360-1323(01)00117-2ISI: 000177587300012Scopus ID: 2-s2.0-0036884255OAI: oai:DiVA.org:hig-17830DiVA: diva2:761861
Available from: 2014-11-09 Created: 2014-11-09 Last updated: 2015-02-18Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
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  • ieee
  • modern-language-association-8th-edition
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  • Other style
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Language
  • sv-SE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • de-DE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf