05 - Propulsion
DESIGN AND EFFICIENCY ANALYSIS OF EVTOL CONTRA-ROTATING PROPELER
N.-X. Qiao¹, T.-L. Ma¹, X.-S. Wang¹, J.-C. Fu¹; ¹Beihang University, China
According to the demand of eVTOL UAV for high-efficiency power unit, this paper analyzes the contra rotating power unit and single-stage power unit by momentum theory, momentum disk CFD calculation and real blade CFD calculation. This paper analyzes the high-efficiency operation range of contra rotating power unit, and provides guidance for the overall design.