Thermal Comfort Evaluation of a Building Under a Naturally Ventilated Environment in a Hot Climate
In this study, the natural ventilation potential of residential buildings to provide suitable thermal comfort for occupants was numerically investigated based on an isolated family house in a hot climate. Computational Fluid Dynamics (CFD) technique is used to investigate the effects of the outdoor conditions, on human thermal comfort. The results of this study show that it is possible to implement natural cross-ventilation in domestic buildings and provide occupants’ thermal comfort without the use of mechanical cooling. The results of the study suggest that acceptable thermal conditions can be maintained with the external wind speeds ranging from 2 to 5 m/s at the temperature of 25°C. In addition, the study has predicted the range of wind temperatures that would allow for all rooms in the building to be of acceptable thermal comfort, in the range of 22-28°C for the seated plane, and 20-28°C for the standing plane, when the external wind speed is 3 m/s.
Keywords - Natural Ventilation, Thermal Comfort, Computational Fluid Dynamics (CFD).