Numerical Assessment of Smoke Flow and Life Safety in a Subway Station Fire

This study developed a three-dimensional numerical model of an actual subway station using PyroSim and evaluated smoke movement and life safety during fire scenarios through Fire Dynamics Simulator (FDS) simulations. A mesh sensitivity analysis was conducted to determine the appropriate mesh resolution, and the effects of smoke and ventilation system operation on smoke spread and life safety criteria were examined. The results showed that activating the system increased the available safe egress