Performance of smoke confinement during fire accident in subway station

Fire accidents often lead to tremendous losses and smoke has been reported be the main cause of these heavy casualties. Accordingly, movement can influence escape confinement is particular significant. Dynamics Simulator software (FDS) was utilized carry out complementary full scale numerical simulations fire accident in a subway station. Different measure prevention exhaust were adopted difference among compared. According temperature, hung wall had good role during early stage accident. However, performance became worse with accumulation. If adopted, exhausted from basement 2 air supplied into 1 at same time, efficacy best. The mechanical rate obvious implications for diffusion.