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Volume 34, Issue 1 (2024)
IJAUP 2024, 34(1) |
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khatibi A, Alavi P. Simulation of thermal behavior of facades in order to optimal appearance in terms of energy consumption (Case Study: Office building in Tehran, Iran). IJAUP 2024; 34 (1)
URL: http://ijaup.iust.ac.ir/article-1-689-en.html
URL: http://ijaup.iust.ac.ir/article-1-689-en.html
1- Department of Architecture, Zanjan branch, Islamic Azad University, Zanjan, Iran , Ashkan.Khatibi@iauz.ac.ir
2- Department of Architecture, Zanjan branch, Islamic Azad University, Zanjan, Iran
2- Department of Architecture, Zanjan branch, Islamic Azad University, Zanjan, Iran
Abstract:
In contemporary contexts, optimizing energy consumption and ensuring thermal comfort for occupants in hot and arid climates necessitates prioritizing the shielding of buildings from solar radiation and heat. This study employed simulation techniques utilizing Rhino software, Grasshopper plugin, and Climate Studio plugin to determine the most suitable facade design in terms of energy efficiency, considering the thermal performance of office building facades in Tehran. The investigation evaluated the thermal performance of four facade systems: three variations of double-skin facade (Buffer system, Extract-air system, Twin-face system), and a kinetic facade. Detailed calculations were conducted for heating, cooling, and electrical energy consumption, with results compared using monthly and annual charts. Simulation outcomes indicate that, under constant conditions, the kinetic facade exhibits superior energy efficiency by dynamically adjusting its components, including rotation direction and opening/closing mechanisms, resulting in a 42.3% reduction in energy consumption compared to conventional double-skin facades. Furthermore, the analysis suggests that annual energy consumption, encompassing cooling, heating, and electric lighting, is lower on the southern facade than on the northern facade. Notably, the kinetic facade, with its adaptable design, demonstrates significant performance in energy reduction compared to other facade types, establishing it as the preferred option in this study. Employing intelligent self-adaptive systems, a portion of the facade is configured as a canopy, effectively mitigating building cooling and heating loads by regulating solar radiation, thus enhancing environmental comfort for occupants while minimizing energy loss.
Keywords: Hot and Dry Climate, Energy Analysis, Thermal Performance, Office Building, Double-Skin Façade, Kinetic Façade.
Type of Study: Research Paper |
Subject:
Architecture
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