本文利用激光层析技术和数字图像处理技术,在对Red=4335～11100范围内的Bunsen式湍流预混火焰热图像序列进行分形分析的基础上,提出了一种基于分形理论的湍流预混火焰传播速度模型,该模型将小尺度涡团在火焰锋面的强化湍流扩散效应归结为对锋面结构的改变上.结果表明:利用该模型预测的火焰传播速度与试验结果基本吻合.
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