EXPERIMENTAL AND NUMERICAL INVESTIGATION OF TEMPERATURE CHANGE DURING TUNNEL FIRES ON A MODEL

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Sigma Mühendislik ve Fen Bilimleri Dergisi
Volume:35 Issue:3
EXPERIMENTAL AND NUMERICAL INVESTIGATION OF TEMPERATURE CHANGE DURING TUNNEL FIRES ON A MODEL

EXPERIMENTAL AND NUMERICAL INVESTIGATION OF TEMPERATURE CHANGE DURING TUNNEL FIRES ON A MODEL

Authors : Ali Serdar GÜLTEK, Zeynep Düriye BİLGE

Pages : 545-556

View : 28 | Download : 7

Publication Date : 2017-09-01

Article Type : Research Paper

Abstract :Fire incidents occur in the tunnels of various countries of the world. Depending on the tunnel geometry, traffic structure, and fire defense equipment, a large fire may cause people to die and cause damage to the tunnel structure. Threshold values for heat and toxic gas emissions that people would be exposed to a fire are defined in standards. To examine the change of the heat flux values that are defined in the standards with the heat release rate of the fire and the viability of the tenable environment during an evacuation in a tunnel fire, a model was created by reducing the dimensions of a tunnel by 1/12. Experimental studies and numerical studies carried out with the model in order to determine the instant that evacuation operation will start to impede and hazardous conditions dominate the fire scene and it is observed that results of both studies are in harmony.
Keywords : Tunnel fire, evacuation, tenable environment, FDS

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