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

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review


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.
Original languageEnglish
Title of host publicationProceedings of Healthy Buildings 2015 Europe
EditorsMarcel Loomans, Marije te Kulve
Place of PublicationEindhoven
PublisherInternational Society of Indoor Air Quality and Climate
Publication dateMay 2015
Article numberPaper ID559
ISBN (Electronic)978-90-386-3889-8
Publication statusPublished - May 2015
EventHealthy Buildings Europe 2015, HB 2015: Europe 2015 - TU/e, Eindhoven, Netherlands
Duration: 18 May 201520 May 2015


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

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