Experimental analysis of single sided ventilation through a centre pivot roof window

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In the present study bidirectional airflow characteristics of a centre-pivot roof window were analysed in-situ. Both wind and temperature differences were present at the time of measurements. Tracer gas technique using N2O gas was used to estimate the air change rates in the experimental space. Leakages through the experimental space were estimated using the blower door tests. Air-change rates increased with increase in the window sash opening angle. When the window was open all the way, with an average wind speed of 4 m/s, the average air-change rate was 2. Flow factor was used to characterise the bidirectional airflow rates through window. The flow factor of the window increased with increase in the sash opening angle.
TitelProceedings of Healthy Buildings 2015 Europe
RedaktørerMarcel Loomans, Marije te Kulve
ForlagInternational Society of Indoor Air Quality and Climate
Publikationsdatomaj 2015
ArtikelnummerPaper ID559
ISBN (Elektronisk)978-90-386-3889-8
StatusUdgivet - maj 2015
BegivenhedHealthy Buildings Europe 2015: Europe 2015 - TU/e, Eindhoven, Holland
Varighed: 18 maj 201520 maj 2015


KonferenceHealthy Buildings Europe 2015
SponsorAlfred P. Sloan Foundation, Ecophon Saint-Gobain, et al., Interface, TNO, Velux, Velux

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