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Title: Combustion characteristics of H 2/N 2 and H 2/CO syngas nonpremixed flames
Authors: Ranga-Dinesh, K.K.J.
Jiang, X.
Kirkpatrick, M.P.
Malalasekera, W.
Keywords: Syngas
Carbon monoxide
Flamelet model
Issue Date: 2012
Publisher: © Hydrogen Energy Publications, LLC. Published by Elsevier Ltd.
Citation: RANGA-DINESH, K.K.J. ... et al., 2012. Combustion characteristics of H 2/N 2 and H 2/CO syngas nonpremixed flames. International Journal of Hydrogen Energy, 37 (21), pp. 16186–16200.
Abstract: Turbulent nonpremixed H2/N2 and H2/CO syngas flames were simulated using 3D large eddy simulations coupled with a laminar flamelet combustion model. Four different syngas fuel mixtures varying from H2-rich to CO-rich including N2 have been modelled. The computations solved the Large Eddy Simulation governing equations on a structured non-uniform Cartesian grid using the finite volume method, where the Smagorinsky eddy viscosity model with the localised dynamic procedure is used to model the sub-grid scale turbulence. Non-premixed combustion has been incorporated using the steady laminar flamelet model. Both instantaneous and time-averaged quantities are analysed and data were also compared to experimental data for one of the four H2-rich flames. Results show significant differences in both unsteady and steady flame temperature and major combustion products depending on the ratio of H2/N2 and H2/CO in syngas fuel mixture.
Description: This article was published in the journal, International Journal of Hydrogen Energy [© Hydrogen Energy Publications, LLC. Published by Elsevier Ltd.] and the definitive version is available at: http://dx.doi.org/10.1016/j.ijhydene.2012.08.027
Version: Accepted for publication
DOI: dx.doi.org/10.1016/j.ijhydene.2012.08.027
URI: https://dspace.lboro.ac.uk/2134/10661
Publisher Link: http://dx.doi.org/10.1016/j.ijhydene.2012.08.027
ISSN: 0360-3199
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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