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Traveling wave solutions of a 3-component reaction-diffusion model in smoldering combustion

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  • We are concerned with a reaction diffusion model describing slow smoldering combustion. The process consists of a sheet of paper ignited on one side and in the presence of a flow of air confined in a narrow gap above the paper. It is observed that thermal-diffusion instability generates diverse spatial patterns in combustion front propagation, depending on flow velocity of gas supply. Particularly, if the velocity is rather fast, planar front propagating with almost constant velocity appears. Motivated by this observation, we discuss the existence and stability of $1$ dimensional traveling wave solutions of the model.
    Mathematics Subject Classification: Primary: 35B25, 35B35; Secondary: 35K57, 35P15.


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