Railway noise reduction at the source is the preferred way indicated by the European legislator, although certainly the hardest to be obtained from an engineering point of view. A cost-benefit analysis of the available solutions should drive the political decisions. This paper describes the impact of a specific low noise wheel, with noise reduction effects proven in normal service, on the Life-Cycle Cost of different types of vehicles. The analysis is conducted on several types of passenger rolling stock, i.e. high speed trains, both conventional and tilting, Electrical and Diesel Multiple Units. The results can be concluded: That Costs associated to the trainset range from 0.26 % to 0.87 % of the LCC. It is likely that for more complex trains this value will further decrease, while for simpler trains it could increase; impact on operation costs only are similarly quite variable (from 0.54 % to 2.3 % of the LCC) mainly depending on the complication of the considered vehicle. Not surprisingly, the highest value is obtained for a rather simple vehicle (a trailing car with little equipment of a high speed non-tilting EMU) while for the lowest value is obtained for a motor car of a DMU trainset whose complication and associated operating costs are inevitably higher.


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    Title :

    Acoustic effectiveness of damped wheels and impact on life-cycle cost of different typologies of passenger trains


    Contributors:
    Bracciali, A. (author) / Cervello, S. (author) / Gatti, P. (author)


    Publication date :

    2008


    Size :

    7 Seiten, 1 Bild, 1 Tabelle, 13 Quellen





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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