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2004•Fire Safety ScienceRequires access

Simulation Of Smoke Control In A Subway Station Fire

W. C. Park

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Abstract

The fire at a Daegu subway station in 2003 showed importance of smoke control, where the ventilation system apparently failed to remove smoke. In the present study, the NIST Fire Dynamics Simulator is utilized to investigate smoke control in a subway station. The computational domain, 10 m x 3 m floor and 5.4 m high, consists of a part of the platform, a stairway and a corridor. The fire size is assumed to be 200 kW. Distributions of temperature and smoke particles with and without a smoke control system are compared. It is shown that the extraction system has a good smoke removal rate extracting smoke from the subway station with exhaust fans.

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What this paper is about

The fire at a Daegu subway station in 2003 showed importance of smoke control, where the ventilation system apparently failed to remove smoke. In the present study, the NIST Fire Dynamics Simulator is utilized to investigate smoke control in a subway station. The computational domain, 10 m x 3 m floor and 5.4 m high, consists of a part of the platform, a stairway and a corridor. The fire size is assumed to be 200 kW. Distributions of temperature and smoke particles with and without a smoke control system are compared. It is shown that the extraction system has a good smoke removal rate extracting smoke from the subway station with exhaust fans.

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Available abstract

The fire at a Daegu subway station in 2003 showed importance of smoke control, where the ventilation system apparently failed to remove smoke. In the present study, the NIST Fire Dynamics Simulator is utilized to investigate smoke control in a subway station. The computational domain, 10 m x 3 m floor and 5.4 m high, consists of a part of the platform, a stairway and a corridor. The fire size is assumed to be 200 kW. Distributions of temperature and smoke particles with and without a smoke control system are compared. It is shown that the extraction system has a good smoke removal rate extracting smoke from the subway station with exhaust fans.

Key concepts: Smoke, Subway station, Fire Dynamics Simulator, Environmental science, Ventilation (architecture), Marine engineering, Engineering, NIST

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