A cavity system for use on a vehicle is provided. The cavity system comprises a cavity 2 having at least one of a front edge 14 and a rear edge 16 arranged orthogonally to the actual or intended direction of travel 3 of the vehicle, and longitudinal edges 18. The front and/or rear and longitudinal edges define an opening. The cavity system also comprises at least one shock stabiliser 7a/7b protruding from a surface adjacent each longitudinal edge of the cavity into the ambient flow 13 outside of the cavity. An aircraft comprising the cavity system is also provided. The cavity may be a weapons bay, for example a rotary payload bay, or a landing gear bay. There may be a first and second spoiler arranged along the longitudinal sides of the cavity wherein the shock stabilizers are arranged on an upper surface of each spoiler.


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    Title :

    Cavity acoustic tones suppression


    Contributors:

    Publication date :

    2023-08-23


    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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