지하철 터널 내 운행 중 객차에서 화재발생시 제연풍량에 따른 열 및 연기 확산 예측 연구

Numerical Prediction of the Heat and Smoke Propagations for a Passenger Train Fire in an Underground Subway Tunnel for Different Extraction Flowrate

The purpose of this research is focussed on the numerical predictions of the heat and smoke propagations for a passenger train fire in an underground subway tunnel for different air supply and extraction flowrates. The analysis is performed for one of the stations on subway line #5 in Seoul under the emergency operation mode for different air supply and extraction flowrates. Five different the air supply and extraction flowrates are considered for the numerical analyses. The numerical results show that the air supply and extraction flowrates affect the smoke control performance significantly by improving the smoke removal performance for the balanced control of air supply and smoke extraction and for the unbalanced control with lager smoke extraction than air supply.