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《Journal of Safety Science and Technology》 2012-06
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Study on the impact of conveying equipment on fire smoke flow in mine roadway

ZHOU Yu-qin,LIN Long-yuan(Department of Environment and Resource,Southwest University of Science and Technology,Mianyang 621010,China)  
In order to study the impact of conveying equipment on fire smoke flow in mine roadway,the software of fire dynamics simulator(FDS) wasapplied to examine effects of conveying equipment on both temperature field and smoke flow of mine roadways under two different velocities.At the same time,the solutions were compared and analyzed in the different work conditions.The results showed that the settling rate of smoke is more quickly in obstacle tunnels than that in clear tunnels.And the conveying equipment will fasten the smoke flow in the horizontal direction when locating on the right of the fire source position;comparing with tunnels with high –speed ventilation,the impact of conveying equipment on temperature distribution in tunnels with low-speed ventilation is much larger.The high temperature distribution is on the path locating between fire source position and conveying equipment position.In addition,the conveying equipment has a great effect on distribution of the air velocity in tunnel.It causes nonuniform distribution of the air velocity in local areas.
【CateGory Index】: TD752
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