Volume 11, Issue 3 (2021)                   Naqshejahan 2021, 11(3): 16-32 | Back to browse issues page

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Hojati A, Saedvandi M, De Angelis E. Analysis of Performance of Three Wind-catchers for Ventilation of Contemporary Houses in Isfahan- Hot and Arid Climate - hot and dry climate of Isfahan. Naqshejahan. 2021; 11 (3) :16-32
URL: http://bsnt.modares.ac.ir/article-2-52597-en.html
1- Faculty of Architecture & Urban Design, Art University of Isfahan, Isfahan, Iran
2- Faculty of Architecture & Urban Design, Art University of Isfahan, Isfahan, Iran , m.saedvandi@aui.ac.ir
3- Enrico De Angelis, Department of Architecture, Construction Engineering and Built Environment, Politecnico di Milano, Milan, Italy
Abstract:   (970 Views)
Aims: Wind Catchers, as a traditional method of cooling, are compatible with the environment, on the one hand, and reduce energy consumption which is a major global challenge, on the other hand. This study evaluates the thermal and ventilation performance inside different floors of a four-story residential building by using three one-sided, two-sided, four-sided wind catcher models in hot and dry weather in open window mode.
Methods: The analysis by computer modeling or computational fluid dynamics (CFD) to evaluate the cooling potential and flow rate during the summer solstice
Finding: The results show that one-sided wind catchers are not efficient due to the low average inlet air and the negative airflow in the central shaft. Two-sided wind catchers have a positive airflow rate in the warm months, but a four-story building, cannot have the amount of air needed for ventilation on the first and second floors. Among three samples, the simulated four-sided Wind Catchers model has higher refrigeration power and optimal efficiency because it can provide airflow with appropriate speed and volume for the first to fourth floors
Conclusion: Among the three wind catcher modeled in software, it has been determined that only the four-way model can have the necessary efficiency to perform ventilation in different floors. designers can design an optimized design and a building that is more compatible with natural ventilation to provide comfort for residents, according to some special points for the use of wind catchers.
Full-Text [PDF 1060 kb]   (237 Downloads)    
Article Type: Original Research | Subject: Highperformance Architecture
Received: 2021/05/17 | Accepted: 2021/06/26 | Published: 2021/12/1

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