Impact of Manually Controlled Solar Shades on Indoor Visual Comfort

Jian Yao, David Hou Chi Chow and Yu-Wei Chi
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Jian Yao: Faculty of Architectural, Civil Engineering and Environment, Ningbo University, Ningbo 315211, China
David Hou Chi Chow: Sustainability, Complexity and Uncertainty in Building Assessment (SCUBA) Group, School of Architecture, University of Liverpool, Liverpool L69 3BX, UK
Yu-Wei Chi: Barcelona School of Architecture, Polytechnic University of Catalonia, 08028 Barcelona, Spain

Sustainability, 2016, vol. 8, issue 8, 1-19

Abstract: Daylight plays a significant role in sustainable building design. The purpose of this paper was to investigate the impact of manual solar shades on indoor visual comfort. A developed stochastic model for manual solar shades was modeled in Building Controls Virtual Test Bed, which was coupled with EnergyPlus for co-simulation. Movable solar shades were compared with two unshaded windows. Results show that movable solar shades have more than half of the working hours with a comfortable illuminance level, which is about twice higher than low-e windows, with a less significant daylight illuminance fluctuation. For glare protection, movable solar shades increase comfortable visual conditions by about 20% compared to low-e windows. Moreover, the intolerable glare perception could be reduced by more than 20% for movable solar shades.

Keywords: manual solar shades; indoor visual comfort; daylight glare probability; useful daylight illuminance; co-simulation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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