It was demonstrated that static and in flight jet engine exhaust noise can be predicted with reasonable accuracy when the multiple source nature of the problem is taken into account. Jet mixing noise was predicted from the interim prediction method. Provisional methods of estimating internally generated noise and shock noise flight effects were used, based partly on existing prediction methods and partly on recent reported engine data.


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    Title :

    Flight Effects on Exhaust Noise for Turbojet and Turbofan Engines: Comparison of Experimental Data with Prediction


    Contributors:
    J. R. Stone (author)

    Publication date :

    1976


    Size :

    21 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English