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An Algebraic Sub-Grid Scale Turbulent Combustion Model

[+] Author Affiliations
F. Wang

Beihang University, Beijing, China

F. Leboeuf

Ecole Centrale de Lyon, Ecully, France

Y. Huang

Beijing University of Aeronautics and Astronautics, Beijing, China

L. X. Zhou

Tsinghua University, Beijing, China

A. I. Sayma

University of Sussex, Brighton, UK

Paper No. GT2010-22033, pp. 1-8; 8 pages
  • ASME Turbo Expo 2010: Power for Land, Sea, and Air
  • Volume 2: Combustion, Fuels and Emissions, Parts A and B
  • Glasgow, UK, June 14–18, 2010
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4397-0 | eISBN: 978-0-7918-3872-3
  • Copyright © 2010 by ASME


A direct numerical simulation (DNS) of three-dimensional turbulent reacting channel flows taking into account the buoyancy effect was carried out using a spectral method. The statistical results from the DNS database are used to validate an algebraic sub-grid scale combustion model (ASSCM), which was studied in gas combustion previously. Comparison between the exact solution and the results of the correlations in the ASSCM model show good agreement in some cases while the results were acceptable other cases. A methane-air gas flame and a methanol-air two-phase spray flame were also simulated using the ASSCM model. The LES predicted temperature profile in both flames were close to the experimental data demonstrating the accuracy of the model.

Copyright © 2010 by ASME



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