This paper applies four-pole parameter theory to the problem of sound propagation in porous materials. The four-pole equations are derived for a single layer of porous material, as well as for (n) layers in tandem. The exact equivalent electrical circuit for a layer of porous material, as well as lumped parameter approximations, are given. Various applications of the theory are pointed out.This paper applies four-pole parameter theory to the problem of sound propagation in porous materials. The four-pole equations are derived for a single layer of porous material, as well as for (n) layers in tandem. The exact equivalent electrical circuit for a layer of porous material, as well as lumped parameter approximations, are given. Various applications of the theory are pointed out.


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    Titel :

    Propagation of Sound in Porous Materials


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Molloy, C. T. (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 1964



    Erscheinungsdatum :

    01.01.1964




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :



    Modelling Sound Propagation in Porous Media by Coupled Oscillators

    Gruenewald, M. / Engel, G. / Schirmacher, W. et al. | British Library Conference Proceedings | 1995




    Experimental investigations of sound propagation in fibrous materials

    Tkachev, A. / Gorokhova, L. / European Acoustics Association et al. | British Library Conference Proceedings | 1998