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Latin American applied research
Print version ISSN 0327-0793On-line version ISSN 1851-8796
Abstract
LORENZZETTI, G. S.; BORTOLO, A. L. De and MARCZAK, L. D. F.. A Numerical method for the solution of confined co-flowing jet diffusion flames. Lat. Am. appl. res. [online]. 2012, vol.42, n.1, pp.27-32. ISSN 0327-0793.
The aim of this work is the development of a method to obtain the shear layer, which appears in confined co-flowing jet diffusion flames. A convenient formulation, based on the mixture fraction for fluid flow and on flamelet models for the chemistry, using the RANS (Reynolds Averaged Navier-Stokes) and the LES (Large Eddy Simulation) approaches, is chosen. Numerical tests, for the governing equations discretized using the second order finite difference explicit scheme, were carried out for Sandia Flame D to compare the results with data in the literature. Results of the shear layer development comproves the ability of the developed LES method solving diffusion flames.
Keywords : Diffusion Flames; Co-Flowing Jet; Methane; Finite Difference; Low Mach-Number.