Volume 08,Issue 03

Investigation of Thermal and Energy Performance of Double Skin Facades in Hot Climate Regions in Turkey

Authors

Bahar Sultan Qurraie, Büşra Arslan

Abstract
Double-skin facade systems are essential to minimize energy losses and provide maximum efficiency from the energy used. In this study, a corridor-type double-skin façade system was applied to the south front of the fifth floor of a five-story office building designed in Alanya, Antalya, in the hot climate region of Turkey. In addition, the usefulness of double skin facade systems in hot climate regions is determined by evaluating thermal and energy performance comparatively over three different parameters: material type, cavity widths between the two walls, and window opening ratios on the facade. This research is aimed to raise awareness around the comparative use of brick walls, wood, and composite panels with opaque qualities within the scope of material, with 1 m, 1.5 m, and 2 m as the width of the gap between the two walls. For all materials, thermal performance and energy performance decreased as the window opening ratio on the facade increased and as the cavity between the two walls decreased. However, worse performance was observed in the use of wood because of the low U- Value compared to the single-skin façade (SSF) building. In contrast, excellent performance was seen in using brick walls and metal panels compared to the SSF building, and overall, the metal panel showed the best performance. In the metal sample with a WWR of ten percent, the most significant reduction (27%) in annual cooling load can be seen.

Keyword: Double skin facades, Energy performance, Energy saving, Architectural design decisions

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