しわ状層流火炎構造を持つ乱流予混合火炎の燃焼速度に関する研究 : 未然気流中の乱れが乱流燃焼速度に及ぼす影響

概要

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The relation among turbulent burning velocity, vortices in the unburned flow, the flame shapes, and local burning velocities was examined in wrinkled laminar flame surfaces generated by the velocity fluctuation of incoming unburned flow. A flame-propagation model proposed by the authors was also used to analyze the relation. Both the experimental and the model analysis results show that the turbulent burning velocity is mainly governed by slower-velocity components in the unburned regime. The burning velocity is not controlled by turbulent surfaces which are generated upstream and simply transported by the flow. Based on the present consideration, a correlation of the turbulent burning velocities as a function of u'(S_L+u') was formulated.
一般社団法人日本機械学会の論文
1996-05-25