Wind tunnel testing of a 1:5 open fan model mounted to a demonstrator wing section have been completed at Onera Aerospace Lab in France.
Credit: Safran
The propulsively efficient open fan forms a center piece of CFM’s Revolutionary Innovation for Sustainable Engines (RISE) technology program but its large diameter poses obvious integration challenges for single aisle airliners. The key design driver for the large size, which up until recently CFM...
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