Effect of shading control on the energy savings of an adaptable ventilation mode double skin façade

Adrienn Gelesz, Ádám Bognár, András Reith

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Abstract

Double skin façades (DSF) are installed on various locations worldwide, to reduce energy use of buildings. It has been demonstrated that DSFs on moderate climate can improve heating energy performance of a building. Shading devices are often installed in the cavity to reduce solar heat loads and thus cooling energy use. However, careful design is needed to overcome the risks of overheating, and to compensate for increased lighting energy need resulting from the reduction of daylight availability due to the additional glazed skin and shading.
A DSF with climate responsive, integrated building elements (motorised openings and automated shading with intelligent control) has a promising potential in improving overall annual energy savings by adapting to the contradictory climatic conditions throughout the year.
The proposed paper analyses what potential the provision of sophisticated, fit for purpose shading control has on increasing annual energy savings of a DSF with variable ventilation mode on moderate climate.
The evaluation is done by calculating and comparing annual energy use of an office space with DSFs by the means of dynamic simulations, performed in IDA ICE. Façades on different orientations are assessed and compared to single skin alternatives as baselines.
Key
Original languageEnglish
Title of host publicationAdvanced Building Skins Conference 2018
Pages485-484
Publication statusPublished - 2018

Keywords

  • Ventilated Double Skin Façades
  • Intelligent Shading Control
  • Building Energy Modelling
  • Adaptive façade
  • Parametric study

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