Fire Safety Science Digital Archive

If a fire occurs and spreads in a building, fire plumes ejected from the openings may cause fire spread to upper floors and neighboring buildings. In particular, flames ejected from an opening were investigated by many researchers [1-5]. However, most of their works focused on temperature distribution of fire jet plume and heights of the flames issuing from the opening. Although some researchers examined heat transfer from ejected flames to façade wall [6], their studies did not cover situations where there was an opposite wall. In the present study, a series of small-scale experiments having a façade wall and an opposite parallel wall representing an adjacent buildings were carried out in order to investigate flame heights, heat flux to the façade wall and to the facing wall, and temperature distribution of ejected flame from an opening. The following phenomena were examined: 1) the heat release rate at which flames occurred from the opening and 2) the temperature distribution in ejected flames and the heat flux from ejected flames with and without an opposite wall [7].