Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5237
Title: An investigation on daylighting performance in educational institutions
Authors: İnan, Tuğba
Keywords: Classrooms
Daylight factor
Daylighting
Educational institutions
Energy utilization
Windows
Issue Date: May-2013
Publisher: Emerald Group Publishing Ltd.
Source: İnan, T. (2013). An investigation on daylighting performance in educational institutions. Structural Survey, 31(2), 121-138. doi:10.1108/02630801311317536
Abstract: Purpose: The purpose of this research is to investigate natural illumination properties of one of the classrooms in the School of Architecture at Izmir Institute of Technology, located in Turkey, which is the northern hemisphere. Design/methodology/approach: In this study, the definitions of the basic terms in daylighting, such as daylight factor, illuminance, glazing ratio, are given first. Then, a luxmeter and a lighting simulation software, Velux, are used in order to calculate variable lighting factors during daytime, at different storeys, at different directions, for the classes. Velux is a proprietary software and it enables natural lighting analysis practically. Findings: Chosen classrooms are examined regarding their having sufficient natural illumination. The height of windows from the floor is changed, and the resultant effects on natural lighting in the classrooms are determined by using the lighting simulation program, Velux. The study shows that daylight factor and illumination near the window decreases as the height of the window above the floor increases. However, the illumination increases away from the window, giving greater uniformity to the lighting. At the same time, the usable depth of the classroom increases. The tall and narrow windows bring the daylight near themselves. Social implications: Practical window design decisions can help architects to provide effective and healthy natural lighting for interiors. Originality/value: Adjustment of the dimensions of the windows is important in order to balance the energy consumption of buildings. This study investigates natural lighting depending on both experimental measurements and simulation software, Velux.
URI: https://doi.org/10.1108/02630801311317536
http://hdl.handle.net/11147/5237
ISSN: 0263-080X
0263-080X
Appears in Collections:Architecture / Mimarlık
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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