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LES of the interaction between a premixed flame and complex turbulent swirling flow

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Author

Summary, in English

In this paper the Triple Annular Research Swirler, a fuel injector characterized by complex design with three concentric air passages, has been studied numerically. A swirl-stabilized lean premixed flame has been simulated by means of Large Eddy Simulation. The computations characterize successfully the dynamics of the flame and their interactions with the complex swirling flow. The flame is stabilized upstream the fuel injector exit, and the dynamics are led by a Precessing Vortex Core which seems to originate in the inner air passage. The results obtained by Proper Orthogonal Decomposition analysis are in agreement with previous findings in the context of swirling flows/flames.

Publishing year

2011

Language

English

Pages

092007-092007

Publication/Series

Journal of Physics: Conference Series

Volume

318

Document type

Conference paper

Publisher

IOP Publishing

Topic

  • Fluid Mechanics and Acoustics

Conference name

13th European Turbulence Conference (ETC)

Conference date

2011-09-12 - 2011-09-15

Conference place

Warsaw, Poland

Status

Published

ISBN/ISSN/Other

  • ISSN: 1742-6588
  • ISSN: 1742-6596