A nacelle (10; 500a; 500b) may include a noise suppressing structure (200). The noise suppressing structure (200) may utilize a noise suppressing cells (202A) situated between a perforated layer of material (306) and a non-perforated layer of material (308). The noise suppressing cells (202A) may have a first portion (212A) and a second portion (212B) separated by a septum (330). The first portion (212A) may contact the septum (330) at an obtuse angle and the second portion (212B) may contact the septum (330) at a reflex angle.


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    Title :

    ACOUSTIC STRUCTURAL PANEL WITH HERRINGBONE CORE


    Additional title:

    AKUSTISCHES STRUKTURPANEEL MIT FISCHGRÄTENKERN
    PANNEAU STRUCTUREL ACOUSTIQUE AVEC NOYAU À CHEVRONS



    Publication date :

    2016-08-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F02C Gasturbinenanlagen , GAS-TURBINE PLANTS / F02K JET-PROPULSION PLANTS , Strahltriebwerke / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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