Stack Effect In Tall Buildings PDF Download

Natural stack action affects all types of buildings, but it becomes a significant driving force and imposes adverse impacts on tall buildings. Traditional approaches such as corridor pressurization system, revolving doors, and airtight exterior envelope to mitigate stack-action induced problems may not be effective for tall residential buildings; hence, an alternative mitigation strategy is required. Compartmentalization is one potential solution which can be used to effectively control stack induced pressures and airflows. However, there exists little information in the academic literature about the effectiveness of using compartmentalization. This thesis begins by looking at the difficulties faced when assessing the effectiveness of compartmentalization. Then, using computer simulation, a quantitative analysis on the potential improvement resulting from implementing compartmentalization is presented. The simulation results showed that compartmentalization is an effective means of controlling contamination air movements, improving building serviceability, providing sufficient ventilation, and reducing the total energy consumption related to conditioning air.