An analytical model for flame propagation in low-mach-number, variable-density flow

A simple model problem is formulated to describe the coupling between premixed-flame and flow-field dynamics resulting from gas expansion within the flame. The energy conservation equation is integrated analytically across the flame in order to reduce the number of governing equations for the comput...

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Bibliographic Details
Published in:International communications in heat and mass transfer 1997-12, Vol.24 (8), p.1163-1169
Main Author: Aldredge, R.C.
Format: Article
Language:English
Subjects:
Applied sciences
Boundary conditions
Combustion. Flame
Energy
Energy conservation
Energy. Thermal use of fuels
Exact sciences and technology
Flame research
Fluid dynamics
Mathematical models
Theoretical studies
Theoretical studies. Data and constants. Metering
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Summary:A simple model problem is formulated to describe the coupling between premixed-flame and flow-field dynamics resulting from gas expansion within the flame. The energy conservation equation is integrated analytically across the flame in order to reduce the number of governing equations for the computational problem. A system of six equations and associated boundary conditions are formulated for computation of the time evolution of an initially prescribed three-dimensional velocity field and the flame surface.
ISSN:0735-1933
1879-0178
DOI:10.1016/S0735-1933(97)00110-3