The Performance of Atriums in Optimizing Energy Consumption in Commercial Complexes in Central Tehran

Document Type : Original Article

Authors

1 PhD Student, Department of Architecture, Sari Branch, Islamic Azad University, Sari, Iran

2 Assistant Professor, Department of Architecture, Faculty of Engineering, Sari Branch, Islamic Azad University, Sari, Iran

10.22034/ias.2020.250686.1368

Abstract

Today, one of the most important concerns in the issue of design is how to manage energy. Atriums are one of the most influential components in energy consumption. According to its nature, the research method in this research is simulation and with the approach of case study and analysis and in terms of applied approach. In this research, first, the basic model is validated according to the consumer bills of the commercial center in question. Then it is analyzed by comparing eleven various phases in the software. After applying energy consumption optimization solutions and building smartness, it is found that the central atrium has a better efficiency than the basic model in low-rise (3 floors), mid-rise (5 floors) and finally high-rise (13 floors) commercial centers; this had a better efficiency than the basic model (without implementing solutions) and removing the side walls in these atriums improves natural ventilation in the building. From these studies, which are carried out with high computational accuracy and by dynamic modeling with Design Builder software, it shows that the potential of increasing productivity and saving energy in these buildings is also very high. Likewise, this research demonstrates that the total reduction in annual energy consumption after applying energy consumption optimization strategies compared to not implementing these strategies, in a comparison of two 13-story atrium buildings (11 percent) and two 5-story buildings (without atrium and with atrium with the application of solutions) is 11.7% and in the comparison of two 5-story atrium buildings is 16% and in the comparison of two 3-story atrium buildings is 19%  and in the comparison of two 3-story and 5-story atrium buildings is 50.8%. Finally, the use of atriums will significantly reduce carbon dioxide gas and improve the thermal comfort factor in commercial buildings.
Research objectives:

Reducing energy consumption by emphasizing the thermal role of atriums in commercial centers in central Tehran.
Providing thermal comfort and reducing the emission of carbon dioxide gases in the commercial complexes of Tehran.

Research questions:

What is the most optimal type of side wall of atriums to provide thermal comfort in commercial complexes in central Tehran?
What is the most optimal height of atriums to increase energy efficiency in the mentioned commercial centers?

Keywords

References

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Islamic Art Studies
Volume 19, Issue 45 - Serial Number 45
February 2021
Pages 394-407

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