A method and apparatus for controlling a propeller of a contra-rotation open fan (CROF) engine of an aircraft is provided. A diameter of the propeller is set to be at a first diameter during at least a portion of a first flight condition of the aircraft. The diameter of the propeller is set to be at a second diameter, different from the first diameter, during at least a portion of a second flight condition of the aircraft.
Optimization of downstream open fan propeller position and placement of acoustic sensors
2017-05-02
Patent
Electronic Resource
English
DOWNSTREAM SURFACE FEATURES TO ATTENUATE PROPELLER WAKE ACOUSTIC INTERACTIONS
European Patent Office | 2018
|DOWNSTREAM SURFACE FEATURES TO ATTENUATE PROPELLER WAKE ACOUSTIC INTERACTIONS
European Patent Office | 2021
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