A vehicle is provided. The vehicle comprises: a skin; a cavity exposed to the atmosphere outside of the vehicle; a spoiler positioned in proximity to a leading edge of the cavity, the leading edge being relative to an actual or intended flow direction of a fluid over the cavity. The spoiler comprises: a lower surface, a rear surface and a front surface, wherein in use the front surface faces into fluid coming from the flow direction and wherein the lower surface faces towards the skin; and at least one support member for elevating the spoiler above the skin of the vehicle such that a gap is provided between the skin and the lower surface of the spoiler, wherein the skin, lower surface and rear surface are arranged such that fluid passing through the gap becomes entrained to increase the height of the shear layer above the cavity.


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    Title :

    CAVITY ACOUSTIC TONES SUPPRESSION


    Additional title:

    UNTERDRÜCKUNG AKUSTISCHER HOHLRAUMTÖNE
    SUPPRESSION DE TONALITÉS ACOUSTIQUES DE CAVITÉ


    Publication date :

    2024-12-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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