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Coal and Clean Coal Technology: Challenges and Opportunities Read chapter Read first chapter

2013 | OriginalPaper | Chapter

Experimental Validation of Large-Eddy Simulation for Swirling Methane-Air Non-premixed Combustion

Authors : L. Y. Hu, L. X. Zhou, Y. H. Luo, C. S. Xu

Published in: Cleaner Combustion and Sustainable World

Publisher: Springer Berlin Heidelberg

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Abstract

Large-eddy simulation of swirling methane-air non-premixed combustion was carried out using a Smagorinsky-Lilly subgrid scale stress model and a presumed-PDF fast-chemistry combustion model. The LES statistical results are validated by PIV, temperature and species concentration measurements made by the present authors. The results indicate that in the present case the presumed-PDF fast-chemistry combustion model is a fairish one. The instantaneous vorticity and temperature maps show clearly the development and the interaction between coherent structures and combustion.

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Literature
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Smagorinsky J. General circulation experiments with the primitive equations. I. The basic experiment. Monthly Weather Rev. 1963;91:99–164.CrossRef
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Lilly DK. On the application of the eddy viscosity concept in the inertial subrange of turbulence, NCAR Manuscript, 1966. p. 123.
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Zhou LX. Theory and numerical modeling of turbulent gas-particle flows and combustion. Boca Raton: CRC Press; 1993. p. 165–76.
Metadata
Title
Experimental Validation of Large-Eddy Simulation for Swirling Methane-Air Non-premixed Combustion
Authors
L. Y. Hu
L. X. Zhou
Y. H. Luo
C. S. Xu
Copyright Year
2013
Publisher
Springer Berlin Heidelberg
Book
Cleaner Combustion and Sustainable World

Print ISBN: 978-3-642-30444-6

Electronic ISBN: 978-3-642-30445-3

Copyright Year: 2013

DOI
https://doi.org/10.1007/978-3-642-30445-3_31