Abstract
최근 국내에서는 2010년 부산 해운대 화재사건에서 볼 수 있듯이, 건물 내부에서 발생된 화재가 플래시오버까지 성장하여 창문을 통하여 분출될 경우 시공된 외장재를 타고 매우 급속한 수직 연소 확산 현상을 보이면서 많은 피해를 야기할 수 있음을 확인하였다. 특히 비산화염은 도심의 2차 화재 확산의 중요인자로 여겨지고 있다. 따라서 본 연구에서는 이러한 불티의 비산현상을 화재시뮬레이션으로 구현하였다. 본 연구에서 수행한 시뮬레이션 결과는 Manzello 외 (2008)의 실험결과와 비교하였다. 비교 결과 불티의 주 낙하 위치는 실험결과와 일치하였다. In Domestic, as can be seen from the fires that occurred in Haewundae(Busan) in 2010, fire can cause large scale damage if it starts from the inside of the building and grows to a flashover that spreads through windows in a rapid and vertical manner along exterior materials constructed in the building. Specially firebrand is considered as a <TEX>$2^{nd}$</TEX> factor in the fire spread of urban and urban Interface fire. In the studying, therefore the numerically computational modelling and simulation were conducted with FDS code for firebrand behavior. In the modelling for firebrand were using experimental theory. Numerical simulation results were compared and in good agreement with Manzello et al (2008) experiments.
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