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Burning syngas in a high swirl burner: effects of fuel composition

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journal contribution
posted on 27.06.2013, 10:50 by K.K.J. Ranga-Dinesh, K.H. Luo, M.P. Kirkpatrick, Weeratunge Malalasekera
Flame characteristics of swirling non-premixed syngas fuel mixtures have been simulated using large eddy simulation and detailed chemistry. The selected combustor configuration is the TECFLAM burner which has been used for extensive experimental investigations for natural gas combustion. The large eddy simulation (LES) solves the governing equations on a structured Cartesian grid using a finite volume method, with turbulence and combustion modelling based on the localised dynamic Smagorinsky model and the steady laminar flamelet model respectively. The predictions for and flames show considerable differences between them for velocity and scalar fields and this demonstrates the effects of fuel variability on the flame characteristics in swirling environment. In general, the higher diffusivity of hydrogen in fuel is largely responsible for forming a much thicker flame with a larger vortex breakdown bubble (VBB) in a swirling flame compare to the but syngas flames.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

RANGA DINESH, K.K.J. ... et al, 2013. Burning syngas in a high swirl burner: effects of fuel composition. International Journal of Hydrogen Energy, 38 (21), pp.9028-9042,

Publisher

© Elsevier

Version

AM (Accepted Manuscript)

Publication date

2013

Notes

This article was accepted for publication in the International Journal of Hydrogen Energy: http://www.sciencedirect.com/science/journal/03603199

ISSN

0360-3199

Language

en

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