Abstract

A model is proposed to describe the structure of the cooling boundary layer between a cold burner wall and a flame near flash-back. Two-dimensional combustion equations are solved using a one-step chemical reaction model. The analytical solutions prove to be in good agreement with the results of a numerical study. Furthermore, the thickness of the cooling layer is estimated and appears to be in fair agreement with available experimental data. The understanding of the mass and heat transport processes in a flame near a cold burner wall is indispensable for the understanding of the flame stabilization process.

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