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http://dx.doi.org/10.7731/KIFSE.2017.31.4.026

A Study on Improvenment of Livingroom Smoke-control System using the FDS  

Kim, Mi-Seon (Graduate School of Fire Department, Dongshin University)
Baek, Eun-Seon (Department of Fire Administration, Dongshin University)
Publication Information
Fire Science and Engineering / v.31, no.4, 2017 , pp. 26-34 More about this Journal
Abstract
The purpose of this study is to identify and improve the performance of the adjacent room ventilation system in living room ventilation facilities, and compare and analyze the smoke control regulations of the NFPA code and the national fire safety standard (NFSC). The analysis method was fire dynamics simulation (FDS) and was used to analyze the, variations of the air supply amount, width of the boundary, change in indoor combustion and wind velocity of the incoming air. It was found to be advantageous to secure the clean layer when the amount of air supplied is less than the amount of discharged air in the fire room. However, in the supply room, it is more effective to secure the clean layer when the amount of supplied air is larger than the amount of discharged air, as a longer boundary width gives rise to better performance. In addition, it is necessary to consider the amount of air supplied and discharged as a function of the kind of flammable material. Moreover, decreasing the air inlet wind speed and amount of incoming air is advantageous for securing the clean layer of the fire room.
Keywords
FDS; Air Supply Amount; Combustibles; Smoke Boundary Width Change; Incoming Wind Velocity;
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