The cellular nature of hydrodynamic flame instability

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The nonlinear evolution of a weakly perturbed planar flame under the influence of the Landau-Darrieus instability is studied numerically. It is shown that in sufficiently small-scale systems spontaneous instability appears in the guise of a cusp-shape flame. However, in sufficiently large-scale flames this configuration acquires a fine cellular structure with the cells constantly subdividing and merging in a chaotic manner.

Original languageEnglish
Pages (from-to)129-139
Number of pages11
JournalPhysica D: Nonlinear Phenomena
Issue number1
StatePublished - May 1990
Externally publishedYes


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