Abstract
Adaptive kinetic façades are systems capable of modifying their shape to optimize their behavior regarding real time outdoor and indoor conditions. They are typically evaluated based on quantifiable physical parameters such as illuminance levels, with little attention – for lack of evaluation criteria – given to subjective appreciation of the façade and the resulting daylight patterns. The present study investigates the daylighting performance of a kinetic shading system based on simulations combined with physical mock-up testing, to assess its viability as an alternative shading solution that complements conventional functions by enhancing the occupants’ experience of the space. Based on performance assessment and perceptual studies, the shortcomings of traditional blinds are identified and a promising prototype design, controlling the blinds’ opening by means of torsional deformations, is proposed.
Highlights
Given the critical role of the building envelope for building energy consumption and occupant comfort [1], [2], daylighting control systems are of particular importance
Adaptive shading systems perform motions to benefit from potential natural daylighting provided by sunlight while offering solar control: such systems change states in response to exterior conditions and interior requirements, aiming to achieve a balance between solar gains, view access, daylight and discomfort glare [3], aiming to improve buildings’ energy efficiency together with users’ comfort [4]
This paper aims to address the shortcomings of existing shading systems through the development of a new type of adaptive shading system which increases the potential of conventional vertical blinds
Summary
Given the critical role of the building envelope for building energy consumption and occupant comfort [1], [2], daylighting control systems are of particular importance. Adaptive shading systems perform motions to benefit from potential natural daylighting provided by sunlight while offering solar control: such systems change states in response to exterior conditions and interior requirements, aiming to achieve a balance between solar gains, view access, daylight and discomfort glare [3], aiming to improve buildings’ energy efficiency together with users’ comfort [4]. Less linear openings have been shown to lead to a 10% increase in evaluations of interest and excitement compared to vertical blinds [8], indicating important potential in this research direction
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