The daylighting dashboard – A simulation-based design analysis for daylit spaces |
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Authors: | Christoph F Reinhart Jan Wienold |
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Affiliation: | 1. Harvard University, Graduate School of Design, 48 Quincy Street, Cambridge, MA 02138, USA;2. Fraunhofer Institute for Solar Energy Systems, Heidenhofstraße 2, 79110 Freiburg, Germany |
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Abstract: | This paper presents a vision of how state-of-the-art computer-based analysis techniques can be effectively used during the design of daylit spaces. Following a review of recent advances in dynamic daylight computation capabilities, climate-based daylighting metrics, occupant behavior and glare analysis, a fully integrated design analysis method is introduced that simultaneously considers annual daylight availability, visual comfort and energy use: Annual daylight glare probability profiles are combined with an occupant behavior model in order to determine annual shading profiles and visual comfort conditions throughout a space. The shading profiles are then used to calculate daylight autonomy plots, energy loads, operational energy costs and green house gas emissions. The paper then shows how simulation results for a sidelit space can be visually presented to simulation non-experts using the concept of a daylighting dashboard. The paper ends with a discussion of how the daylighting dashboard could be practically implemented using technologies that are available today. |
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Keywords: | Daylight simulations Daylight metrics Radiance EnergyPlus Glare |
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