Nonlinear analysis of hydrodynamic instability in laminar flames—II. Numerical experiments

Nonlinear analysis of hydrodynamic instability in laminar flames—II. Numerical experiments

We consider a nonstationary nonlinear integrodifferential equation describing the evolution of a disturbed plane flame front. The following two-dimensional problems are solved numerically: (i) The formation of a wrinkled noncellular laminar flame front under conditions of spontaneous hydrodynamic in...

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Veröffentlicht in:Acta astronautica 1977-11, Vol.4 (11), p.1207-1221
Hauptverfasser: Michelson, D.M., Sivashinsky, G.I.
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Sivashinsky, G.I.
description We consider a nonstationary nonlinear integrodifferential equation describing the evolution of a disturbed plane flame front. The following two-dimensional problems are solved numerically: (i) The formation of a wrinkled noncellular laminar flame front under conditions of spontaneous hydrodynamic instability. (ii) The formation of a turbulent cellular flame front under conditions of spontaneous diffusional-thermal instability. (iii) The formation of a turbulent wrinkled-cellular flame front under conditions of spontaneous hydrodynamic and diffusional-thermal instability. We compute the flame front velocity in laminar and turbulent propagation.
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title Nonlinear analysis of hydrodynamic instability in laminar flames—II. Numerical experiments
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