Theoretical and experimental studies were conducted to determine the noise transmission into acoustic enclosures ranging from simple rectangular box models to full scale light aircraft in flight. The structural models include simple, stiffened, curved stiffened, and orthotropic panels and double wall windows. The theoretical solutions were obtained by model analysis. Transfer matrix and finite element procedures were utilized. Good agreement between theory and experiment has been achieved. An efficient acoustic add-on treatment was developed for interior noise control in a twin engine light aircraft.


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    Title :

    Aircraft Cabin Noise Prediction and Optimization


    Contributors:

    Publication date :

    1985


    Size :

    85 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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