Large eddy simulation of a confined jet diffusion flame using a finite difference method Online publication date: Mon, 18-Aug-2008
by A.L. De Bortoli
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 8, No. 6, 2008
Abstract: The aim of this work is the development of a low cost numerical technique for confined jet diffusion flames. A convenient formulation based on the mixture fraction for fluid flow and on flamelet models combined with the presumed probability density function for the chemistry is chosen. Numerical tests, for the governing equations discretised by the finite difference explicit Runge-Kutta multistage scheme, were carried out for turbulent, nonpremixed, nonreacting propane-jet flow and for Sandia D flame for reasonable values of gaseous hydrocarbon chemistry. The developed methodology, based on the low Mach number formulation, allows to decrease considerably the time needed to obtain reasonable results for a confined jet diffusion flame.
Online publication date: Mon, 18-Aug-2008
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