The energy loss during the propagation of an acoustic signal through the tribounit of a bearing ring and a wheel-pair axis can have two causes: (i) limited transparency of the layer between a ring and an axle, a parameter that is different for different gaps (different tightnesses), and (ii) reflection that arises at the ring-axle boundary owing to a difference in the elastic-wave velocities in the stressed ring metal and the unstressed axle metal. A model for propagation of acoustic waves through a tribounit of the interior ring of a bearing and a wheel pair axle is developed and calculated. The energy loss determined both by the limited transparency of a layer between the ring and the axle for different degrees of tightness and by reflection from the ring-axle boundary are considered in relation to the difference between the elastic-wave velocities in stressed ring metal and unstressed axle metal. Conclusions are made and recommendations are given for using the studied correlations in the developed acoustic tightness tests.


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    Titel :

    Calculation of the acoustic-signal transmission through a tribounit of the interior ring of a bearing and a wheel pair axle


    Weitere Titelangaben:

    Berechnung der akustischen Signaltransmission durch eine Reibeinheit des inneren Rings eines Lagers und ein Radachsenpaar hindurch


    Beteiligte:
    Muravev, V.V. (Autor:in) / Muravev, T.V. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2007


    Format / Umfang :

    8 Seiten, 77 Bilder




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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