A flutter damper is disclosed, which includes a chamber configured to fluidly communicate with a gas flow, the chamber being filled with an open celled foam bulk damper, and wherein the chamber is configured for peak acoustical energy absorption at a frequency range that is associated with one or more fan flutter modes.


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    Title :

    Fan flutter suppression system


    Contributors:

    Publication date :

    2019-09-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    Flutter suppression device

    ZHAO WEIJIA / HE JUN / JIAO YUXUE et al. | European Patent Office | 2023

    Free access

    Passive flutter suppression

    INGRAM, C. W. / SZWARC, W. J. | AIAA | 1976


    Active Flutter Suppression

    Tewari, Ashish | Wiley | 2016



    F-16 flutter suppression system investigation

    PELOUBET, JR., R. / HALLER, R. / BOLDING, R. | AIAA | 1980