ARTICLE:

• Numerical simulation of Methane/Air turbulent diffusion flame  download article

Dominique Morvan
School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, Australia 2052

B. Porterie
IUSTI UMR CNRS 139 5 rue E. Fermi, Technopôle de Château Gombert,13453 Marseille cedex 13, FRANCE

M. Larini
IUSTI UMR CNRS 139 5 rue E. Fermi, Technopôle de Château Gombert,13453 Marseille cedex 13, FRANCE

J. C. Loraud
IUSTI UMR CNRS 139 5 rue E. Fermi, Technopôle de Château Gombert,13453 Marseille cedex 13, FRANCE

ABSTRACT

This paper reports numerical simulations of unconfined pool fires represented as a CH₄/Air turbulent diffusion flame which develops from a porous burner. Turbulent combustion is modelled using an Eddy Dissipation Combustion (EDC) model coupled with a RNG k—ε statistical model for the turbulent flow. Radiation heat transfer and soot formation have been taken into account using P1-approximation and transport submodels which permit to simulate the main phenomena (nucleation, coagulation, surface growth ...). The set of coupled transport equations is solved numerically using a finite volume method, the velocity-pressure coupling is treated with a projection technique.

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