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Large Eddy Simulation of a Gas Turbine Combustion chamber: effect of the subgrid scale flame thickness on the flame dynamics

Duwig, Christophe LU and Fuchs, Laszlo LU (2004) 5th International ERCOFTAC Workshop on Direct and Large-Eddy Simulation ERCOFTAC series ; 9. p.343-350
Abstract
A analysis of the subgrid scale flame thickness in the LES framework is presented. The influence of the subgrid flame thickness has been tested numerically on a swirl stabilized flame using a flamelet formulation. The analysis introduces a non-dimensional number a, characteristic for flame and the filter. The values of this number are computed for different LES combustion models and lie in a wide range. The variations of the number a lead to completely different flame dynamics showing the importance of subgrid flame thickness modelling in the LES framework.
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author
and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
host publication
Direct and Large-Eddy Simulation V
volume
ERCOFTAC series ; 9
pages
343 - 350
publisher
Springer
conference name
5th International ERCOFTAC Workshop on Direct and Large-Eddy Simulation
conference location
Munich, Germany
conference dates
2003-08-27 - 2003-08-29
external identifiers
  • wos:000243594100037
ISBN
1-402-02032-5
language
English
LU publication?
yes
id
d8ecca14-a6cb-47ab-afaf-7ac55335c993 (old id 834945)
date added to LUP
2016-04-04 10:35:20
date last changed
2018-11-21 20:59:38
@inproceedings{d8ecca14-a6cb-47ab-afaf-7ac55335c993,
  abstract     = {{A analysis of the subgrid scale flame thickness in the LES framework is presented. The influence of the subgrid flame thickness has been tested numerically on a swirl stabilized flame using a flamelet formulation. The analysis introduces a non-dimensional number a, characteristic for flame and the filter. The values of this number are computed for different LES combustion models and lie in a wide range. The variations of the number a lead to completely different flame dynamics showing the importance of subgrid flame thickness modelling in the LES framework.}},
  author       = {{Duwig, Christophe and Fuchs, Laszlo}},
  booktitle    = {{Direct and Large-Eddy Simulation V}},
  isbn         = {{1-402-02032-5}},
  language     = {{eng}},
  pages        = {{343--350}},
  publisher    = {{Springer}},
  title        = {{Large Eddy Simulation of a Gas Turbine Combustion chamber: effect of the subgrid scale flame thickness on the flame dynamics}},
  volume       = {{ERCOFTAC series ; 9}},
  year         = {{2004}},
}