Disclosed is a movable aerodynamic surface (13) for an aircraft (1), comprising a skin (17) including a first skin portion (29) and a second skin portion (31) both extending from the leading edge (27) to the trailing edge (28) and together surrounding an interior (33) from opposite sides, and a stiffener arrangement (19) arranged in the interior (33) and including at least an inboard stiffener (41) in the area of the inboard end (23) and/or an outboard stiffener in the area of the outboard end (25), wherein at the inboard end (23) between the first skin portion (29), the second skin portion (31) and the inboard stiffener (39) an inboard cavity (41) is formed, and/or at the outboard end (25) between the first skin portion (29), the second skin portion (31) and the outboard stiffener an outboard cavity is formed, wherein an acoustic filler arrangement (21) including multiple filler elements (21) is arranged within the inboard cavity (41) and/or the outboard cavity for reducing noise. The object to provide an aerodynamic surface enabling both efficient noise reduction and convenient and cost-efficient handling, is achieved in that the acoustic filler arrangement (21) has a hybrid form including at least one first type filler element (43') with a smooth outer surface (47) and at least one second type filler element (43") with a porous outer surface (51).


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    Titel :

    MOVABLE AERODYNAMIC SURFACE FOR AN AIRCRAFT


    Weitere Titelangaben:

    BEWEGLICHE AERODYNAMISCHE FLÄCHE FÜR EIN FLUGZEUG
    SURFACE AÉRODYNAMIQUE MOBILE POUR UN AÉRONEF


    Beteiligte:

    Erscheinungsdatum :

    29.01.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64C AEROPLANES , Flugzeuge



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