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Title

The impact of the form of roof on the thermal performance in warm-dry climate of Tehran city

Year: 1397
COI: CARSE03_038
Language: EnglishView: 262
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Authors

Golnar Baghaeipoor - M.Sc. in Architecture and Energy, Department of Architecture, Faculty of Technology and Engineering, Ilam University, Ilam, Iran
Abbas Ajorkar - M.Sc. in Mechanic Engineering, Department of Mechanical Engineering, Amirkabir University of Technology, Tehran, Iran
Seyyed Hossein Hosseini - Ph.D., Associate Professor, Department of Chemical Engineering, Faculty of Technology and Engineering, Ilam University, Ilam, Iran

Abstract:

The present study investigates the thermal performance in curved (vaulted or domed) roofs and flat roofs in the warm and dry climate of Iran, Tehran. For this purpose, three-dimensions and unsteady state simulations of the domed, vaulted, and flat roofs have been conducted. COMSOL Multiphysics Software has been used to carry out the numerical modelling and evaluate the heat flux and daily heat flow transferred from different types of roofs. The simulation results have revealed that not only the ratio of daily heat flow transferred from curved roofs to the heat transfer through flat roofs has not been influenced by the radius of curvature, thickness, and roofs materials, but also the ratio has been strongly affected by the half rim angle and environment temperature. In comparison with curved roofs, the results have shown flat roofs have consistently outperformed their best thermal behavior in Tehran. In case of the necessity of using curved roofs, use of a vaulted roof with the half rim angle of 50 degrees, revealing the orientation angle of 60 degrees toward the North and a domed roof with the half rim angle of 50 degrees are the best suggestions.

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Paper COI Code

This Paper COI Code is CARSE03_038. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/863133/

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Baghaeipoor, Golnar and Ajorkar, Abbas and Hosseini, Seyyed Hossein,1397,The impact of the form of roof on the thermal performance in warm-dry climate of Tehran city,3rd international conference on applied research in science and engineering,https://civilica.com/doc/863133

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Type of center: دانشگاه دولتی
Paper count: 4,693
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