Abstract
In this paper, a numerical calculation method is applied to investigate the influences of ducted propeller aerodynamic configuration parameters. The thrust, torque and power of the propeller in the duct and the decoupled propeller are compared under identical conditions. The performance with equal input power is analysed considering the additional thrust of the duct. The relationships of system thrust, power and efficiency with the axial position of the propeller disk in the duct, the propeller disk diameter and the propeller-duct clearance are investigated.
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