Investigating the Impact of Different Glazing Types on the Energy Performance in Hot Arid Climate

Document Type : Original Article

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Department of Architecture Engineering, Faculty of Engineering, Aswan University, Aswan 81542, Egypt

Abstract

This study investigated the effect of different glazing types with various window orientations and Window to Wall Ratio WWR (10%, and 20%) on energy consumption in a typical room in an office building located in the hot climatic conditions of Aswan, Egypt. This case study was modelled and evaluated using Design Builder software to attain acceptable environmental performance for the study case while also investigating its impact on the amount of energy required for cooling, lighting, and heating. The research revealed that using an embedded nanogel layer between two layers of argon and two layers of single transparent glazing with (WWR=10%) resulted in a significant reduction in total annual energy use for all directions (North, West, South, and East), saving 3.66 %, 12.71 %, 6.51 %, and 4.18 % respectively when compared to a single layer of clear glass (3 mm). Furthermore, the results show that utilizing an integrated nanogel layer between two layers of argon and two layers of single transparent glazing has about the same efficiency as WWR=10% when WWR=20%. The study went into further depth to assist decision-makers by using the Pugh matrix to determine the optimum glazing among the proposed glazing types according to several studied criteria. It was discovered that utilizing an integrated nanogel layer between two layers of argon and two layers of single transparent glazing gave the best outcomes, obtaining a score of 3.54, which was higher than any score for the other proposed glazing types.

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