IMPROVED ACOUSTIC ATTENUATION DEVICE FOR AN AIRCRAFT PROPULSION UNIT

Propulsion assembly for an aircraft comprising a turbomachine having at least one rotating part rotating about an axis of rotation, an attachment strut, and a structural element carrying the turbomachine via the attachment strut, the rotating part being disposed upstream of the structural element an...

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Bibliographic Details
Main Authors WIART, Ludovic, Mathieu, René, DUBOIS, Adrien, Clément, Marcel, GEA AGUILERA, Fernando, BOITEUX, Jean-Michel, Daniel, Paul
Format Patent
LanguageEnglish
French
German
Published 15.11.2023
Subjects
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Summary:Propulsion assembly for an aircraft comprising a turbomachine having at least one rotating part rotating about an axis of rotation, an attachment strut, and a structural element carrying the turbomachine via the attachment strut, the rotating part being disposed upstream of the structural element and of the attachment strut such that an air jet emerging from the rotating part, in the wake of thereof, impacts the structural element and the attachment strut, a leading edge of the structural element and/or of said attachment strut locally comprising at least one acoustic attenuation device disposed at least partly in the wake of the rotating part, the acoustic attenuation device being a local modification of the structure and/or of the profile of the leading edge.
Bibliography:Application Number: EP20220704405