Abstract
The study of column dynamics in high-rise buildings is a subject of interest for building engineers because of their safety implications. In this study, a numerical analysis is performed using Fire Dynamics Simulator considering the temperature, velocity, and pressure of vertically rising smoke in buildings of various sizes as a function of fire size. The numerical analysis results were analyzed and verified for confined and open systems. The results of this study show that as the building area decreased and the fire size increased, the buoyancy flow accelerated, and the total building temperature rose. The lower pressure of the building floor due to the smoke's buoyancy increased the vertical pressure gradient throughout the building. These findings can be used by design engineers to develop design safety guidelines. Keywords: Fire Dynamics Simulator, Buoyant Smoke Dynamics, High-rise Buildings, Wall Effects
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