Validazione e rilascio del codice ARES
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Data
2002
Autori
Talice, Marco
Chibbaro, Sergio
Mulas, Marco
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Abstract
The presented work had started from the attempt of simulating the premixed reactive flow in the experimental ENSMA combustor, by using TFC premixed combustion model. The apparently simple test case had soon appeared to be a very tough one instead, challenging the two codes used (Ares and Fluent) and making very difficult to find good agreement with the experimental measures. The difficulties encountered were related to the TFC combustion model and to the turbulence model as well. The investigation carried out with the two codes put in evidence the need for extending the TFC model to non-adiabatic and heat-conducting capabilities. This work will be done during the third year of the project, redesigning the activities of Objective no. 8. A strong effect due to the turbulence models was also found. Ares results were better than Fluent ones, whenever a comparison with the same turbulence model was possible. The best solution was found with RNG k-ε model implemented into Ares, slightly better than Fluent results with a full Reynolds Stress Model.
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Keywords
combustion modeling , CFD , TFC model , premixed turbulent combustion