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Applied Mathematical Modelling
Article
License: Elsevier Non-Commercial
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Applied Mathematical Modelling
Article . 1998
License: Elsevier Non-Commercial
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Applied Mathematical Modelling
Article . 1998 . Peer-reviewed
License: Elsevier Non-Commercial
Data sources: Crossref
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Laminar flamelet modelling of turbulent premixed combustion

Authors: Benim, Ali Cemal; Syed, Khawar, J.;

Laminar flamelet modelling of turbulent premixed combustion

Abstract

Abstract Laminar flamelet method (LFM) based prediction procedures for turbulent premixed combustion are presented. Two different approaches are investigated. In one case, the standard eddy dissipation concept (EDC) is used as the turbulent combustion model and the laminar flamelet model is applied as a post-processor for subsequent nitrogen oxide predictions. In the second approach, however, a higher predictive potential is achieved by employing the LFM as the turbulent combustion model. Predictions are compared with experiments for two different turbulent premixed flame configurations, namely for an essentially parabolic, laboratory flame, and a strongly swirling, recirculating flame of an industrial gas turbine burner. Results show that a substantial increase of predictive capability compared to more traditional methods is achieved by the flamelet method, not only for laboratory flames, but also for practical gas turbine applications. For the latter, the classical order of magnitude analysis suggests that the combustion occurs outside the laminar flamelet regime. Despite this, laminar flamelet predictions show relatively good agreement with experimental data, supporting arguments that such modelling is approppriate beyond the classical laminar flamelet combustion limits defined in the Borghi diagram.

Country
Germany
Keywords

ddc:620, Verbrennung, Applied Mathematics, 620, Laminar flamelet model, Numerische Strömungssimulation, Modelling and Simulation

  • BIP!
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    citations
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    28
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
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    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
28
Top 10%
Top 10%
Average
hybrid