Several approaches and methods are available to determine the aerodynamic performance of propellers. In this paper, two methods, implemented by three partners (ONERA, NLR and MT-Propeller), are investigated and compared. Blade Element Momentum theory (BEMlow fidelity method) as well as Computational Fluid Dynamics (CFDhigh fidelity method) approaches are studied. Evaluations are made for several flight conditions over a common reference blade designed by MT-Propeller. After presentation of the numerical methods and the reference geometry, aerodynamic results are compared considering several approaches implemented by the partners. The impact of these methods on the acoustic prediction is also investigated.
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