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Open Access Article
1 - The pattern effect of central courtyard geometric on the air flow in traditional houses of Shushtar
ali mardani امین رؤسائیThe central courtyard is one of the ancient and valuable models of Iranian climatic architecture and as a physical element in organizing the structure of the space of traditional houses has responded to various dimensions of biological, social and cultural needs. The ge MoreThe central courtyard is one of the ancient and valuable models of Iranian climatic architecture and as a physical element in organizing the structure of the space of traditional houses has responded to various dimensions of biological, social and cultural needs. The geometry of the central courtyard (shape and proportions) as the main design feature always affects the performance of the amount of radiated energy absorbed, suitable thermal comfort conditions, and the pattern of air flow movement. Therefore, the present study has evaluated the relationship between yard proportions and airflow pattern in traditional Shushtar houses. In order to achieve more accurate findings in the existing buildings, Nanaee, Rezvan, Aminzadeh, and Baghal houses were selected as the studied samples in a historical period, with minimal intervention in their spatial structure. The research method of this research is a hybrid method due to its interdisciplinary nature. Firstly, the initial observations, using the experimental strategy, the independent variables (shape, proportions) of the yards are identified and the dependent variables (wind flow velocity) have been measured by using digital anemometer device. Secondly, Anemometers are measured. In order to study the data more accurately, the simulation of this research is performed by CFD computational fluid dynamics method by using Design Modeler and Fluent software. Finally, the air flow inside the yards is analyzed. The results show that houses with four-sided construction yards with length to widths of 1.08 and 1.2 have the most favorable air flow distribution conditions and three-sided construction yards with lengths of 1.01 and 1.13 width in terms of uniform air flow distribution suffer .They enjoy unfavorable conditions in the hot seasons of the year in Shushtar. Changes in the proportions and geometric pattern of the yards have affected the air quality conditions and thermal comfort conditions of the residents. Manuscript profile
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