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Sustainability 2016, 8(9), 883; doi:10.3390/su8090883

Evaluating Thermal and Lighting Energy Performance of Shading Devices on Kinetic Façades

Department of Architectural Engineering, Inha University, Incheon 22212, Korea
BRE Global, Bucknalls Lane, Garston, Watford WD25 9XX, UK
Construction & Energy Business Division, Korea Conformity Laboratories, Seoul 08503, Korea
Authors to whom correspondence should be addressed.
Academic Editor: Andrew Kusiak
Received: 3 July 2016 / Revised: 29 August 2016 / Accepted: 30 August 2016 / Published: 1 September 2016
(This article belongs to the Section Energy Sustainability)
View Full-Text   |   Download PDF [3345 KB, uploaded 1 September 2016]   |  


In order to evaluate the thermal and lighting energy performance of a kinetic façade using external movable shading devices, it is important to consider the operation of the shading devices since it can influence the performance significantly. This study proposes a calculation methodology which assesses the performance of the movable shading devices with the consideration of the movements of the shading devices. Calculation methods were derived by which solar heat gain, lighting energy requirement, and the primary energy equivalent to heating and cooling energy requirement can be obtained. Using the calculation methods, the optimal operation scenario for the movable shading devices was presented which can minimize the solar heat gain and lighting energy requirement. A comparison case study was carried out to demonstrate the use of the control strategies for a building where a drop awning was installed. The results showed that the optimal operation scenario suggested in this study can potentially deliver effective energy performance. The limitation and applicability of the suggested method were also discussed. View Full-Text
Keywords: movable shading device; kinetic façade; thermal energy; lighting energy; optimization movable shading device; kinetic façade; thermal energy; lighting energy; optimization

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Lee, D.-S.; Koo, S.-H.; Seong, Y.-B.; Jo, J.-H. Evaluating Thermal and Lighting Energy Performance of Shading Devices on Kinetic Façades. Sustainability 2016, 8, 883.

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