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Type: Journal article
Title: LES investigation of the flow through an effusion-cooled aeronautical combustor model
Author: Motheau, E.
Lederlin, T.
Florenciano, J.
Bruel, P.
Citation: Flow, Turbulence and Combustion, 2012; 88(1-2):169-189
Publisher: Springer Netherlands
Issue Date: 2012
ISSN: 1386-6184
Statement of
Emmanuel Motheau, Thomas Lederlin, Juan L. Florenciano, Pascal Bruel
Abstract: The present study is devoted to the analysis of the behaviour of the flow through an effusion-cooled aeronautical combustor model. High-fidelity calculations are performed on an experimental model of a combustion chamber multi-perforated wall and compared to experimental measurements. The effect of combustion instability on the effusion-cooling system is investigated by studying the interaction of an acoustic wave with the jets-in-crossflow issued from the cooling plate. It is shown that the mass-flow rate through the plate can be drastically reduced by the acoustic wave, which demonstrates the destructive effect that such instability may have on the cooling of an aeronautical combustion chamber.
Keywords: LES; Effusion-coolin; Wall-bounded flows; Acoustic forcing; Jet-in-crossflow
Rights: © Springer Science+Business Media B.V. 2011
DOI: 10.1007/s10494-011-9357-9
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Mechanical Engineering publications

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