The aim of this paper is to discuss the quantification of aeroacoustic and rolling noise sources emitted by high-speed trains externally. This work relies on the comparison of experimental data obtained in the DEUFRAKO Annex K and K2 projects and those produced more recently. These are firstly measurements obtained within the NOEMIE project dedicated to the High Speed Technical Specifications for Interoperability involving the measurement of the acoustic emission of different rolling stock travelling at 250, 300 and 320 km/h (TGV-Duplex, ICE3, Thalys). Additionally, measurements are considered that are obtained in the framework of an SNCF acoustic test campaign performed on a TGV-Duplex at speeds up to 350 km/h. These comprise source localisation using two-dimensional acoustic array measurements and assessment of the wayside noise increase as a function of the speed. The conclusions drawn in the DEUFRAKO K project are compared with the new set of data. A detailed analysis of the results is also provided, supported by complementary measurements (wheel and rail measurements) and simulations (TWINS calculations).


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    Titel :

    High speed train noise emission: latest investigation of the aerodynamic/rolling noise contribution


    Weitere Titelangaben:

    Geräuschemission eines Hochgeschwindigkeitszuges: Jüngste Untersuchung des Beitrages des Strömungs- und des Rollgeräusches


    Beteiligte:
    Mellet, C. (Autor:in) / Letourneaux, F. (Autor:in) / Poisson, F. (Autor:in) / Talotte, C. (Autor:in)


    Erscheinungsdatum :

    2006


    Format / Umfang :

    12 Seiten, 13 Bilder, 1 Tabelle, 11 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch






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