火災旋風発生における火炎周辺の物理量の変化に関する数値解析

抄録

It is important for the generation of fire whirl to know how a swirling flow around a flame affects the flame behavior, and therefore it is very useful to investigate the flame behavior and the transient local distributions of physical property such as velocity, pressure, temperature, etc. around the flame by using a numerical analysis. In the present study, numerical calculations by a finite volume method are performed for an axisymmetric methane jet diffusion flame behavior which a swirling flow affects. The physical property change around the flame is investigated in the generation of fire whirl, and the effects of swirling flow on the flame behavior is elucidated.