Mathematical model of engine as sound source and of its exhaust as acoustic wave guide; spectrum of exhaust sound of engine with exhaust turbine superchargers can be computed with aid of expression based on choked nozzle model of exhaust turbine, exhaust pulse function simplified into trapezoidal curve with corresponding Fourier analysis and linear acoustical theory about sound transmission in thin long waveguides and filters, using scale models and neglecting direct gas flow. Netherlands Ship Research Center, TNO -- Report No. 104 M, Pt 1. (see also Int Shipbldg Progress v 15 n 165 May 1968 p 170-81)


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    Title :

    Marine diesel exhaust noise -- 1


    Additional title:

    Shipg World and Shipbldr


    Contributors:

    Published in:

    Publication date :

    1968


    Size :

    8 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Marine diesel exhaust noise -- 1

    Janssen, J.H. | Engineering Index Backfile | 1968


    Marine diesel exhaust noise1

    Janssen, J.H. | IOS Press | 1968


    Marine diesel engine exhaust noise1

    Janssen, J.H. / Buiten, J. | IOS Press | 1968


    Marine diesel engine exhaust noise1

    Buiten, J. / Janssen, J.H. | IOS Press | 1968