A component method of airframe noise prediction is used to predict levels of operational and proposed aircraft airframe noise to assess the contribution of airframe noise to community noise levels. This is done after first evaluating the prediction method using newly acquired detailed measurements from full-scale aircraft and models. In the course of the evaluation, modeling techniques of airframe noise sources are examined with attention to scaling. Finally, when used to predict approach airframe EPNLs, the levels fell about 10 EPNdB below current noise regulations and about 5 EPNdB below proposed noise regulations.


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    Title :

    Assessment of airframe noise


    Contributors:

    Published in:

    Publication date :

    1979-12-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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