Abstract
The characteristics of centre pivot roof windows for wind driven single-sided ventilation has not been studied before. These types of windows are dominating roof windows in Europe. Knowledge of flow characteristics of this kind of window is essential for accurate designing of natural ventilation systems. In this study, numerical methods were used to characterise a centre-pivot roof window for wind-driven single-sided ventilation. A 1:20 scale model house of the Energy Flex House (Denmark) was used in this study. The roof slope was 36o. It was found that the single-sided ventilation through the centre-pivot roof window can be characterised by a factor called the flow factor. The flow factor was a function of the sash opening-angle and wind direction. The flow factor increased with increase in opening-angle and decreased with increase in wind direction.
Original language | English |
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Title of host publication | Proceedings Indoor Air 2014 |
Number of pages | 7 |
Place of Publication | Hong Kong |
Publisher | ISIAQ |
Publication date | Jul 2014 |
Edition | USB-stick |
Pages | 1-7 |
Article number | HP0226 |
Chapter | Topic B4: Ventilation |
Publication status | Published - Jul 2014 |
Event | 13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014: The 13th International Conference on Indoor Air Quality and Climate - Hong Kong, Hong Kong Duration: 7 Jul 2014 → 12 Jul 2014 |
Conference
Conference | 13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014 |
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Country/Territory | Hong Kong |
City | Hong Kong |
Period | 07/07/2014 → 12/07/2014 |
Keywords
- Single-sided Ventilation
- CFD
- centre-pivot roof window