[Transfert de chaleur couplé par simulations aux grandes échelles dans les turbines à gaz]
Le transfert de chaleur couplé est une contrainte forte de la conception des TAG (turbines à gaz). La plupart des outils existant répondent à des problèmes chainés et stationnaires. Un environnement parallèle pour traiter des problèmes thermiques couplés a été développé et appliqué à deux configurations types de la conception des TAG. Un code de simulation aux grandes échelles et un code de conduction thermique échangent des données via un superviseur. Une interaction flamme/paroi permet d'évaluer la précision et l'ordre des solutions couplées. L'état thermique stationnaire d'une aube de turbine refroidie est ensuite étudié. Le couplage thermique diminue les températures adiabatiques de paroi de la pale et reproduit l'efficacité de refroidissement expérimentale.
CHT (Conjugate Heat Transfer) is a main design constraint for GT (gas turbines). Most existing CHT tools are developed for chained, steady phenomena. A fully parallel environment for CHT has been developed and applied to two configurations of interest for the design of GT. A reactive Large Eddy Simulations code and a solid conduction solver exchange data via a supervisor. A flame/wall interaction is used to assess the precision and the order of the coupled solutions. A film-cooled turbine vane is then studied. Thermal conduction in the blade implies lower wall temperature than adiabatic results and CHT reproduces the experimental cooling efficiency.
Mot clés : Combustion, Transfert de chaleur couplé, Simulation aux grandes échelles, Interaction flamme paroi, Aube de turbine
Florent Duchaine 1 ; Simon Mendez 1 ; Franck Nicoud 2 ; Alban Corpron 3 ; Vincent Moureau 3 ; Thierry Poinsot 4
@article{CRMECA_2009__337_6-7_550_0,
author = {Florent Duchaine and Simon Mendez and Franck Nicoud and Alban Corpron and Vincent Moureau and Thierry Poinsot},
title = {Conjugate heat transfer with {Large} {Eddy} {Simulation} for gas turbine components},
journal = {Comptes Rendus. M\'ecanique},
pages = {550--561},
publisher = {Elsevier},
volume = {337},
number = {6-7},
year = {2009},
doi = {10.1016/j.crme.2009.06.005},
language = {en},
}
TY - JOUR AU - Florent Duchaine AU - Simon Mendez AU - Franck Nicoud AU - Alban Corpron AU - Vincent Moureau AU - Thierry Poinsot TI - Conjugate heat transfer with Large Eddy Simulation for gas turbine components JO - Comptes Rendus. Mécanique PY - 2009 SP - 550 EP - 561 VL - 337 IS - 6-7 PB - Elsevier DO - 10.1016/j.crme.2009.06.005 LA - en ID - CRMECA_2009__337_6-7_550_0 ER -
%0 Journal Article %A Florent Duchaine %A Simon Mendez %A Franck Nicoud %A Alban Corpron %A Vincent Moureau %A Thierry Poinsot %T Conjugate heat transfer with Large Eddy Simulation for gas turbine components %J Comptes Rendus. Mécanique %D 2009 %P 550-561 %V 337 %N 6-7 %I Elsevier %R 10.1016/j.crme.2009.06.005 %G en %F CRMECA_2009__337_6-7_550_0
Florent Duchaine; Simon Mendez; Franck Nicoud; Alban Corpron; Vincent Moureau; Thierry Poinsot. Conjugate heat transfer with Large Eddy Simulation for gas turbine components. Comptes Rendus. Mécanique, Volume 337 (2009) no. 6-7, pp. 550-561. doi : 10.1016/j.crme.2009.06.005. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2009.06.005/
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