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LES as a Prediction Tool for Lifted Flames in a Model Gas Turbine Combustor

[+] Author Affiliations
Clemens Olbricht, Andreas Kempf

Imperial College London, London, UK

Johannes Janicka

Darmstadt University of Technology, Darmstadt, Germany

Paper No. GT2010-22525, pp. 423-432; 10 pages
doi:10.1115/GT2010-22525
From:
  • 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

abstract

A progress variable approach based on premixed generated manifolds (PFGM) is applied to the LES of a model gas turbine combustor that features a lifted partially premixed flame in a complex flow field. The simulations were performed using two codes with different numerical bases from Imperial College (PsiPhi ) and Darmstadt (FASTEST-ECL ). Based on the same combustion model, the results from both codes show excellent agreement with each other, and good agreement with the experiments. The lifted flame dynamics, mixing, and product species composition including carbon monoxide concentration are all captured, underlining that both codes can be used to successfully simulate partially premixed model gas turbine combustors.

Copyright © 2010 by ASME

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