Abstract
Abstract As is known to all, the cable corridor is one of the most important projects in China. In this paper, the fire temperature field distribution of L-type corridor under the condition of different fire source location height is studied through numerical simulation. When the heat release rate of the ignition source is 250 kW and longitudinal wind speed is fixed 0.5 meters per second, the temperature changing rule of the inflection point of L-type corridor is discussed. Furthermore, the temperature prediction formula is established based on the height of the ignition source at different stages according to the fire situation. Combined with the results of these studies, the paper shows that there is obvious smoke accumulation effect in L-type cable corridor.
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