Experiment on tuned open-test-case fan ECL5/CATANA: Structural characterization under vacuum conditions
Résumé
The CATANA project aims to promote the development of the next generation of Ultra-High-Bypass-Ratio Turbofan engines by closing the knowledge gaps concerning multi-physical interactions which affect performance and limit the stability range. It involves a composite-material fan stage, called ECL5, representative of near future UHBR architectures. It has been designed at Ecole Centrale de Lyon to provide an open for the community benchmark configuration. This fan had been extensively tested previously at the aerodynamic Phare-2 test facility (rotating machinery platform for environmental risk control) in different running conditions at the LMFA laboratory (Ecole Centrale de Lyon fluid mechanics and acoustics laboratory) concerning synchronous and asynchronous responses (NSV).
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