Ventilation Modes in Inflammation of Train in a Subway

A procedure is proposed to calculate air-distribution for secure evacuation of passengers when removing gases produced by a burning train in a subway tunnel. A calculation example is presented for the real ventilation network. The requirements for the aerodynamic parameters of fans in the intermediate ventilation chambers are substantiated. It is shown that it is necessary to control air-distribution in a subway network using passive methods - ventilation dams.