Suitability of Dual Skin Glass in Hot Climates

Essam Omar Aasem

In this study theoretical analysis were applied to study the thermal performance of a typical office building. Computer building models were developed for North-South and East- West orientations. The building was fitted with clear IGU with a certain glazing area. An exterior laminated glass fitted with a spectrally selective film was added to the model to represent the outer skin. A number of computer models were developed to represent cases with different IGU areas in the presence of the outer skin. Hourly simulations were then conducted to determine the annual energy consumption and peak-cooling load for the building. A comparison was then made between the cases considered to assess the thermal effectiveness of the outer glass skin. In addition, simulations were also carried out to determine the acceptable IGU glazing area limit that result in cooling loads within the limit set by the code of practice.

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