Méthodologie de conception d'un système de refroidissement du revêtement d'une chambre de combustion basée sur une approche fluide/structure.
A combustor liner cooling system design methodology based on a fluid/structure approach.
Résumé
The paper presents a multi-disciplinary multi-objective design optimization methodology of a combustion chamber effusion cooling system. The optimizer drives an Artificial Neural Network and a Manufacturing Time Model in a repeated analysis scheme in order to increase the combustor liner LCF life and to reduce the liner cooling system manufacturing time, simultaneously. The ANN is trained with a set of fluid/structure/lifing simulations arranged in a three-levels dataset based on a properly designed DOE approach. The CFD simulations are carried out with a reliable and robust in-house developed three-dimensional high resolution reactive viscous flow solver, accounting for a conjugate heat transfer approach; the liner structural analysis is performed with a standard FEM code while the liner life assessments are obtained through an in-house developed software operating on the temperature/stress fields. Results demonstrate the validity of the overall approach in a five-dimensional state space with truly moderate computational costs.
Détails
- Titre original : A combustor liner cooling system design methodology based on a fluid/structure approach.
- Identifiant de la fiche : 30008379
- Langues : Anglais
- Source : Applied Thermal Engineering - vol. 60 - n. 1-2
- Date d'édition : 10/2013
- DOI : http://dx.doi.org/10.1016/j.applthermaleng.2013.06.012
Liens
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Indexation
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Thèmes :
Transfert de chaleur;
Autres applications industrielles - Mots-clés : Transfert de chaleur; Conception; Refroidissement; Optimisation; Moteur; Combustion
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