Method is developed to compute noise in vicinity of starting aircraft; with knowledge of aircraft data and climb path data sound level decibel is calculated for distances up to 10,000 m from flight path of turbojet and propeller aircraft; width of equal-noise contours is calculated; equations have been coded for computer-processing; calculation method for turbojet aircraft has been checked by flight noise measurements; flight noise measurements have also been performed in military turbojet aircraft and in propeller driven transport airplanes.


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    Title :

    Computation of equal-noise contours for aircrafts


    Additional title:

    Acta Polytechnica Scandinavica -- Physics including Nucleonics Ser


    Contributors:


    Publication date :

    1965


    Size :

    40 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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