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An Analysis of a Boundary Layer Diffusion Flame Over a Porous Flat Plate in a Confined Flow

Ramachandra, A and Raghunandan, BN (1984) An Analysis of a Boundary Layer Diffusion Flame Over a Porous Flat Plate in a Confined Flow. In: Combustion Science and Technology, 38 (1-2). pp. 59-73.

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A numerical analysis of the gas dynamic structure of a two-dimensional laminar boundary layer diffusion flame over a porous flat plate in a confined flow is made on the basis of the familiar boundary layer and flame sheet approximations neglecting buoyancy effects. The governing equations of aerothermochemistry with the appropriate boundary conditions are solved using the Patankar-Spalding method. The analysis predicts the flame shape, profiles of temperature, concentrations of variousspecies, and the density of the mixture across the boundary layer. In addition, it also predicts the pressure gradient in the flow direction arising from the confinement ofthe flow and the consequent velocity overshoot near the flame surface. The results of thecomputation performed for an n-pentane-air system are compared with experimental data andthe agreement is found to be satisfactory.

Item Type: Journal Article
Publication: Combustion Science and Technology
Publisher: Taylor and Francis Group
Additional Information: Copyright for this article belongs to Taylor and Francis Group.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 23 Jul 2009 09:53
Last Modified: 23 Jul 2009 09:53
URI: http://eprints.iisc.ac.in/id/eprint/21748

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