Premixed flames in large scale and high intensity turbulent flow

Abstract : The recent theory of Clavin and Williams [1] concerning the premixed flame fronts in non uniform as well as unsteady flows is extended to the case of large amplitudes of the front corrugation. The convective effects associated with the gas expansion are fully taken into account in the study of the flame structure. Only one scalar « the flame stretch » is shown to control the shape and the motion of the front This stretch can be split in two parts, one accounts for the geometry of the front (mean curvature) and the other for the non uniformity of the flow (rate of strain tensor).
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Submitted on : Saturday, January 1, 1983 - 8:00:00 AM
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P. Clavin, G. Joulin. Premixed flames in large scale and high intensity turbulent flow. Journal de Physique Lettres, Edp sciences, 1983, 44 (1), pp.1-12. ⟨10.1051/jphyslet:019830044010100⟩. ⟨jpa-00232137⟩

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