A new outdoor rolling-noise test rig on a 25 m stretch of full-scale track will enable the study of vibrations of wheel and rail and of the pertinent noise emission under controlled conditions. The arrangement can be seen as a physical realization of the Track-Wheel Interaction Noise Software (TWINS) computer software. The track and wheel, which are not in mechanical contact, are excited in vertical and lateral directions using electrodynamic actuators. The track can be statically pre-loaded by up to 30 tonnes. The use of the rig is presently under development. The aim is that the radiated noise from separate railway components could be found as the wheel and the track can be excited both together and separately. Amplitude and phase of the applied forces are predetermined by use of an algorithm taking into account the real wheel-rail interaction properties. In that way different wheel-rail contact conditions can be simulated. Eight partners have co-operated in the development and operation of the CHARMEC/Lucchini Railway Noise Test Rig in Surahammar, Sweden.


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    Title :

    A full-scale test rig for railway rolling noise: simulation and measurement of dynamic wheelset-track interaction


    Additional title:

    Ein Teststand im Originalmaßstab für Eisenbahn-Rollgeräusche: Simulation und Messung von dynamischen Radsatz-Schiene-Wechselwirkungen


    Contributors:


    Publication date :

    2003


    Size :

    15 Seiten, 11 Bilder, 1 Tabelle, 11 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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