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Experimental Evaluation of the Ventilation Effectiveness of Corner Stratum Ventilation in an Office Environment
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building Engineering, Energy Systems and Sustainability Science, Energy Systems and Building Technology.ORCID iD: 0000-0002-8349-6659
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building Engineering, Energy Systems and Sustainability Science, Energy Systems and Building Technology.ORCID iD: 0000-0003-2023-689x
2019 (English)In: Buildings, ISSN 2075-5309, E-ISSN 2075-5309, Vol. 9, no 7, article id 169Article in journal (Refereed) Published
Abstract [en]

An experimental study was conducted in a room resembling an office in a laboratory environment. The study involved investigating the ability of corner-placed stratum ventilation in order to evaluate the ventilation’s effectiveness and local thermal comfort. At fixed positions, the air temperature, air velocity, turbulence intensity, and tracer gas decay measurements were carried out. The results show that corner-placed stratum ventilation behaves very similar to a mixing ventilation system when considering air change effectiveness. The performance of the system was better at lower supply air flow rates for heat removal effectiveness. For the heating cases, the draught rates were all very low, with the maximum measured value of 12%. However, for the cooling cases, the maximum draught rate was 20% and occurred at ankle level in the middle of the room.

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 9, no 7, article id 169
Keywords [en]
air change effectiveness; air exchange efficiency; ventilation effectiveness; draught rate; temperature effectiveness
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:hig:diva-30433DOI: 10.3390/buildings9070169ISI: 000478645000003Scopus ID: 2-s2.0-85070072942OAI: oai:DiVA.org:hig-30433DiVA, id: diva2:1337487
Available from: 2019-07-15 Created: 2019-07-15 Last updated: 2019-08-23Bibliographically approved

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Ameen, ArmanCehlin, Mathias

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