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Including Heat Loss and Quench Effects in Algebraic Models for Large Eddy Simulation of Premixed Combustion

[+] Author Affiliations
Roman Keppeler, Michael Pfitzner

Universität der Bundeswehr München, Neubiberg, Germany

Luis Tay Wo Chong, Thomas Komarek, Wolfgang Polifke

Technische Universität München, Garching, Germany

Paper No. GT2012-68689, pp. 457-467; 11 pages
  • ASME Turbo Expo 2012: Turbine Technical Conference and Exposition
  • Volume 2: Combustion, Fuels and Emissions, Parts A and B
  • Copenhagen, Denmark, June 11–15, 2012
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4468-7
  • Copyright © 2012 by ASME


In technically relevant combustion devices, combustion can take place in the vicinity of walls which can significantly affect the reaction and the heat transfer. However, only few studies focus on modelling of flame-wall interaction (FWI) for algebraic combustion models and virtually none consider FWI for algebraic Large Eddy Simulation combustion models. In the present work heat loss models, as previously published in the literature, are employed to extend a LES algebraic combustion model. The performance of the FWI models is evaluated by simulations of a nonadiabatic swirl flame. The simulation results are compared with experimental data of velocity field and heat release. The extent of the quenching zone and heat loss effects are determined in the simulations and compared with data from direct numerical simulations. Comparison of simulation and experimental data shows a significant improvement when heat loss effects are incorporated. Also the characteristic Peclet numbers are correctly predicted by FWI models.

Copyright © 2012 by ASME



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