Double-Skin Facades and Daylight Simulations: Comparative Study of Facade Typologies and Effects on Natural Light in Different ClimatesSymposium on Simulation for Architecture and Urban Design (SimAUD) 2017 Conference Proceedings (2017)
This article discusses results of a research study that investigated daylight performance of glazed double-skin facades (DSFs) in various climate types. The objectives of the study were: 1) to analyze the daylight levels in different types of DSFs (box window, corridor type, and multistory) in four different climates; 2) to compare daylight performance against the conventional single skin glazed facade (curtain wall); 3) to investigate the effects of facade orientations on daylight; and 4) to investigate the impacts of facade characteristics (different depth of air cavities in DSFs) on daylight levels. The research methods consisted of daylight simulations in Radiance software program of an office space, which would be enclosed by the investigated facade types. Multiple models were developed to investigate different typologies of DSFs, depth of air cavity between the two skins, orientations and climate types, as well as sky conditions, totaling a dataset of 336 simulation models. Daylight simulations were performed for sunny, overcast and cloudy sky conditions, for four different locations (Miami, San Francisco, Chicago and Duluth). Results indicate that all types of DSFs would decrease daylight levels compared to a conventional curtain wall; however, the air cavity depth and DSF facade type have a significant impact on the daylighting performance. Moreover, the results show that the discrepancies are largest in the area closest to the glazed facade. The article presents detailed results and discusses the effects of each variable on daylight levels.
- Double skin facades,
- building performance
Citation InformationAjla Aksamija. "Double-Skin Facades and Daylight Simulations: Comparative Study of Facade Typologies and Effects on Natural Light in Different Climates" Symposium on Simulation for Architecture and Urban Design (SimAUD) 2017 Conference Proceedings (2017) p. 203 - 210
Available at: http://works.bepress.com/ajla_aksamija/127/