Propagation and extinction of flame fronts in channels
Mounir Alliche
Broschiertes Buch

Propagation and extinction of flame fronts in channels

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This study examines the propagation of a premixed flame in a channel, first using a constant-density thermodiffusion model, neglecting hydrodynamic instabilities. An adaptive multigrid method is used to refine the mesh near the reaction zone. Flame-wall interaction reveals three propagation regimes depending on heat loss and channel radius. An intermediate value of the radius allows the flame to bend and propagate, while too small a radius causes it to extinguish. The limits of the heat loss coefficient and the critical radius are determined, offering practical interest. The influence of Lewis...