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산불 열영향 범위 산정을 위한 실험 및 FDS 데이터 비교
김형식 ( H S Kim ),강영진 ( Y J Kang ),김장환 ( J H Kim ),김경하 ( K H Kim ),이병두 ( B D Lee ),김정훈 ( J H Kim ) 한국안전학회(구 한국산업안전학회) 2014 한국안전학회지 Vol.29 No.4
This research deals with the combustion experiment of pine trees, which are the most representative species in Korea. Experimental data are compared with theoretical ones using Fire Simulation Program(FDS). It is considered that horizontal/verticaltemperature distribution and radiant heat influence on adjacent areas in fire scenes. The linear function for separation distance totemperature was drawn by applying Stefan-Boltzmann``s law; y=112.13133×(σT4)-0.52916 for calculating the separation distance. Incombustion experiment, the radiant heat came to 1.4∼1.5kW/㎡ in case of the separation distance by one meter. The numerical valuesmean that human body show the critical level of pain after one minute without a protective equipment.