Optimizing Courtyard Geometry for Enhanced Indoor Ventilation in Contemporary Residential Buildings

Document Type : Original Article

Authors

1 Department of Architectural Construction Technology, Faculty of Technology and Education, Beni-Suef University, Egypt.

2 Department of Civil and Architectural Constructions, Faculty of Technology and Education, Suez University, P.O.Box: 43221, Suez, Egypt

3 Department of Civil and Architectural Constructions, Faculty of Technology and Education, Suez University, P.O.Box: 43221, Suez, Egypt.

Abstract

This current research aims to investigate the influence of courtyard place, the length to width proportion, and its orientation on the rates of airflow inside the building spaces, using (Autodesk CFD 2024) program., to simulate the impact of the courtyard on the efficiency of internal natural ventilation, by studying the relationship between the courtyard position, different proportions and orientation, to reach the better geometry of the courtyard that improves the natural ventilation rates inside the residential buildings in Kharga city in the New Valley Governorate, Egypt. The reference area is 157.25 m2, which accommodates a square central courtyard with 5 m × 5 m dimensions. The results of the study indicated that the optimum position of the internal courtyard which improves the airflow rate, thus enhancing the natural ventilation inside the dwelling, was the position of the courtyard on the southwestern interface, with a length-to-width proportion (1:1.5) with longitudinal axis orientation to east-west.

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