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LES fluid-solid coupled calculations for the assessment of heat transfer coefficient correlations over multi-perforated walls

Abstract : The present study is devoted to the assessment of several heat transfer coefficient correlations applied to multi-perforated walls used in aeronautical combustors. The conjugate heat-transfer problem was solved through the coupling of the thermal code AVTP for the solid wall and the large-eddy simulation solver AVBP for the flow evolution. This numerical approach is applied to a realistic multi-perforated wall geometry. The flow conditions have been chosen in order to be representative of an operating point reproducing the chamber conditions for a specific take-off configuration considered during bench testing of the combustion chamber of an engine under development. This work highlights the potential of such a coupling strategy in the description of heat exchange distribution for combustor liners. At the injection side of the multi-perforated wall, a correction of the promising heat exchange model by Cottin [13] is suggested.
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https://hal.inria.fr/hal-01353952
Contributor : Pascal Bruel <>
Submitted on : Tuesday, August 16, 2016 - 2:08:35 PM
Last modification on : Tuesday, February 2, 2021 - 2:54:07 PM

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Juan-Luis Florenciano, Pascal Bruel. LES fluid-solid coupled calculations for the assessment of heat transfer coefficient correlations over multi-perforated walls. Aerospace Science and Technology, Elsevier, 2016, 53, pp.13. ⟨10.1016/j.ast.2016.03.004⟩. ⟨hal-01353952⟩

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