Control of structure borne noise transmission into an aircraft cabin generated from component excitation, such as rotor/engine vibration imbalance or firing excitations or from auxiliary equipment induced vibrations, can be studied empirically via impedance characterization of the system components and application of appropriate component coupling procedures. The present study was aimed at demonstrating the usefulness of such impedance modeling techniques as applied to a Bell 206B rotorcraft and a Cessna TR182 general aviation aircraft. Simulated rotor/engine excitations were applied to the assembled aircraft systems to provide baseline structure borne noise transmission data. Thereafter, impedance tests of the system components were carried out to provide a data base from which system component coupling studies were carried out. Results presented demonstrate the level of expected accuracy in predicted structure borne noise transmission from the component coupled model when using a high quality component impedance data base. Model results are also presented for the case where questionable accuracy exists in the component data base.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    System Component Coupling for Structure Borne Noise Isolation Studies


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Fox, Douglas J. (Autor:in) / Unruh, James F. (Autor:in)

    Kongress:

    General, Corporate & Regional Aviation Meeting & Exposition ; 1997



    Erscheinungsdatum :

    1997-05-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





    PUSH-PULL CABLE STRUCTURE BORNE NOISE ISOLATION

    WILKEN NILS / SCHULITZ JOERG | Europäisches Patentamt | 2019

    Freier Zugriff

    Structure borne noise prediction techniques

    Priebsch,H.H. / Affenzeller,J. / Kuipers,G. et al. | Kraftfahrwesen | 1990


    Structure Borne Noise Prediction Techniques

    Kuipers, Geert / Priebsch, Hans H. / Affenzeller, Josef | SAE Technical Papers | 1990


    A Structure for Reducing Structure-Borne Noise

    LEE CHAN HUI / KIM SUNG HOON / KIM HEUI WON | Europäisches Patentamt | 2017

    Freier Zugriff