AIRCRAFT HAVING AN AFT ENGINE AND AIR INJECTION ASSEMBLY FOR SUCH AN AIRCRAFT

AIRCRAFT HAVING AN AFT ENGINE AND AIR INJECTION ASSEMBLY FOR SUCH AN AIRCRAFT

An air injection assembly for an aircraft is provided. The aircraft includes a fuselage extending between a forward end and an aft end along a longitudinal direction and a boundary layer ingestion fan mounted to the fuselage at the aft end of the fuselage. The air injection assembly includes at leas...

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Hauptverfasser: PASTOUCHENKO, Nikolai, N, MALCEVIC, Ivan
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AEROPLANES
AIRCRAFT
ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT
AVIATION
COSMONAUTICS
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT
FLYING SUITS
HELICOPTERS
PARACHUTES
PERFORMING OPERATIONS
TRANSPORTING
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creator PASTOUCHENKO, Nikolai, N
MALCEVIC, Ivan
description An air injection assembly for an aircraft is provided. The aircraft includes a fuselage extending between a forward end and an aft end along a longitudinal direction and a boundary layer ingestion fan mounted to the fuselage at the aft end of the fuselage. The air injection assembly includes at least one injection port defined on a surface of the fuselage at a location upstream of the boundary layer ingestion fan. A supplemental airflow is provided through a fluid passageway to the injection port where it is ejected to displace at least a portion of relatively higher velocity boundary layer airflow. In this manner, the airflow entering boundary layer ingestion fan is more uniform, has less swirl distortion, and has a lower average velocity.
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The aircraft includes a fuselage extending between a forward end and an aft end along a longitudinal direction and a boundary layer ingestion fan mounted to the fuselage at the aft end of the fuselage. The air injection assembly includes at least one injection port defined on a surface of the fuselage at a location upstream of the boundary layer ingestion fan. A supplemental airflow is provided through a fluid passageway to the injection port where it is ejected to displace at least a portion of relatively higher velocity boundary layer airflow. 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language eng ; fre ; ger
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subjects AEROPLANES
AIRCRAFT
ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT
AVIATION
COSMONAUTICS
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT
FLYING SUITS
HELICOPTERS
PARACHUTES
PERFORMING OPERATIONS
TRANSPORTING
title AIRCRAFT HAVING AN AFT ENGINE AND AIR INJECTION ASSEMBLY FOR SUCH AN AIRCRAFT
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