OPTIMIZATION OF DOWNSTREAM OPEN FAN PROPELLER POSITION AND PLACEMENT OF ACOUSTIC SENSORS

OPTIMIZATION OF DOWNSTREAM OPEN FAN PROPELLER POSITION AND PLACEMENT OF ACOUSTIC SENSORS

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...

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Bibliographische Detailangaben
Hauptverfasser: MOORE MATTHEW DAVID, LANGTRY ROBIN BLAIR, BOREN KELLY L
Format: Patent
Sprache:eng
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung: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.