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《Journal of Harbin Engineering University》 2009-05
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Application of FDS in fire risk assessment of large space

ZHOU Rong1,LI Shu-sheng2,GU Yang3(1.China Ship Development and Design Center,Wuhan 430064,China;2.College of Aerospace and Civil Engineering,Harbin Engineering University,Harbin 150001,China;3.College of Nuclear Science and Technology,Harbin Engineering University,Harbin 150001,China)  
Numerical simulation of a fire scenario was done for a large space—a big storage area—using the fire field simulation software fire dynamics simulator(FDS) 4.06 and the large eddy simulation method.The spreading of smoke and temperature distributions were compared and analyzed,and then an assessment of the smoke exhaust system was done for the storage area.Simulation results showed that FDS is a better tool for predicting heat flow fields and the spread of smoke and it can be used to simulate a fire in a large space.Because of lower temperatures in large spaces,a sprinkler system sometimes does not work.Therefore,when designing a fire,it should be considered whether the sprinkler system can work effectively.Additionally,smoke temperature is not the only parameter to assess for fires in large spaces.It is necessary to examine other parameters,such as visibility.
【CateGory Index】: TU998.1
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