Abstract
Currently, the most balanced technical solution for sun protection of glazed areas is the Venetian blind, because it prevents the entry of direct solar radiation, but at the same time provides a view of the outside and allows light to diffuse into the building. The current challenge is to find an improved, integrated technical solution at an af- fordable cost that requires low maintenance, is suitable for every geographical situation (latitude) and adaptable to each orientation of building facades. The solar control glass facade FB720 presented here integrates into a single structural element the advantages of protective glass and Venetian blinds.
Highlights
Modern office buildings often have large glazed areas
Currently, the most balanced technical solution for sun protection of glazed areas is the Venetian blind, because it prevents the entry of direct solar radiation, but at the same time provides a view of the outside and allows light to diffuse into the building
It was observed [3] that, in the case of double glazing units (DGU), the use of a solar control film is highly recommended to increase the separation between the sheet glasses
Summary
Modern office buildings often have large glazed areas. Depending on the climate zone, incident solar radiation on fenestration can lead to high cooling demands during hot periods, solar radiation can help reduce heating demands during cool periods. In the tropics, glazed facade is the cause of large solar heat gains inside buildings, and researchers [2] are focusing on reducing solar heat (infrared) transmittance and daylight (visible light) transmittance. It was observed [3] that, in the case of double glazing units (DGU), the use of a solar control film is highly recommended to increase the separation between the sheet glasses. Fixed shading devices (e.g. vertical fins, diagonal fins and egg crate) are used to protect inner spaces from direct solar gain through openings, windows and large glazed surfaces to control air temperature and improve the illuminance level. Other researchers [5] recommend accurately estimating the optical properties of the different types of dynamic shading
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