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Simulation of Heat and Smoke Behavior for Wood and Subway Fires by Fire Dynamics Simulator(FDS)  

Sonh, Yun-Suk (Korea Railroad Research Institute)
Dan, Seung-Kyu (Department of Chemical Engineering, Myongji University)
Lee, Bong-Woo (Korea Institute of Fire Industry & Technology)
Kwon, Seong-Pil (Korea Institute of Fire Industry & Technology)
Shin, Dong-Il (Department of Chemical Engineering, Myongji University)
Kim, Tae-Ok (Department of Chemical Engineering, Myongji University)
Publication Information
Journal of the Korean Institute of Gas / v.14, no.6, 2010 , pp. 31-37 More about this Journal
Abstract
In this study, to propose the analysis method of heat and smoke behavior of fire using the CFD-based fire simulator FDS, comparison of the simulation results against the experimental results and the sensitivity of the results to the grid sizes have been investigated. For the wood fire, thermal images captured from the experiments were compared against the FDS simulations, and the maximum temperatures agreed in~4.3 % error, showing the applicability of FDS in the interpretation of the fire phenomena. In the aspect of the sensitivity to the grid size for the subway fire, FDS results of smoke temperature, CO concentration and visibility converged and showed no distinct changes for the grid size < $28(L){\times}28(W){\times}14(H)$, guaranteeing that the FDS fire model set in this research could interpret the fire phenomena successfully.
Keywords
fire simulation; wood fire; subway fire; fire dynamics simulator (FDS); computational fluid dynamics (CFD);
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