Comptes Rendus
Eulerian and Lagrangian Large-Eddy Simulations of an evaporating two-phase flow
Comptes Rendus. Mécanique, Volume 337 (2009) no. 6-7, pp. 458-468.

Large-Eddy Simulations (LES) of an evaporating two-phase flow in an experimental burner are performed using two different solvers, CDP from CTR-Stanford and AVBP from CERFACS, on the same grid and for the same operating conditions. Results are evaluated by comparison with experimental data. The CDP code uses a Lagrangian particle tracking method (EL) while the code AVBP can be coupled either with a mesoscopic Eulerian approach (EE) or with a Lagrangian method (EL). After a validation of the purely gaseous flow in the burner, liquid-phase dynamics, droplet dispersion and fuel evaporation are qualitatively and quantitatively evaluated for three two-phase flow simulations. They are respectively referred as: CDP-EL, AVBP-EE and AVBP-EL. The results of the three simulations show reasonable agreement with experiments for the two-phase flow case.

Les simulations aux grandes échelles (SGE) de l'écoulement diphasique évaporant dans un brûleur expérimental sont réalisées avec deux codes numériques différents, CDP du CTR-Stanford et AVBP du CERFACS, sur le même maillage et pour les mêmes points de fonctionnement. Les résultats obtenus sont validés par comparaison avec des données expérimentales. Le code CDP peut être couplé à une méthode de suivi Lagrangien de la phase liquide (EL). Le code AVBP peut soit être couplé à une méthode mésoscopique Eulérienne (EE), soit à une méthode de suivi Lagrangien (EL). Après validation de l'écoulement purement gazeux dans le brûleur, la dynamique de la phase liquide, la dispersion et l'évaporation du carburant sont évaluées qualitativement et quantitativement pour trois simulations diphasiques dénotées respectivement : CDP-EL, AVBP-EE et AVBP-EL. Les résultats obtenus par les trois simulations sont en accord raisonable avec l'expérience pour l'écoulement diphasique.

Published online:
DOI: 10.1016/j.crme.2009.06.002
Keywords: Combustion, Two-phase flows, Eulerian, Lagrangian, Large-Eddy Simulation
Mot clés : Combustion, Écoulements diphasiques, Eulérien, Lagrangien, Simulation aux grandes échelles

J.M. Senoner 1; M. Sanjosé 1; T. Lederlin 2; F. Jaegle 1; M. García 1; E. Riber 1; B. Cuenot 1; L. Gicquel 1; H. Pitsch 2; T. Poinsot 3

1 Cerfacs, 42, avenue Gaspard-Coriolis, 31057 Toulouse cedex 01, France
2 Center for Turbulence Research, 488 Escondido Mall, Stanford, CA 94305-3035, USA
3 Institut de mécanique des fluides de Toulouse (CNRS-INPT-UPS), allée du Professeur-Camille-Soula, 31400 Toulouse, France
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J.M. Senoner; M. Sanjosé; T. Lederlin; F. Jaegle; M. García; E. Riber; B. Cuenot; L. Gicquel; H. Pitsch; T. Poinsot. Eulerian and Lagrangian Large-Eddy Simulations of an evaporating two-phase flow. Comptes Rendus. Mécanique, Volume 337 (2009) no. 6-7, pp. 458-468. doi : 10.1016/j.crme.2009.06.002. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2009.06.002/

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