Rolling noise levels from railways are strongly dependent on the roughness generated on the running surfaces of wheels and rails. As an initial effort concerning the wheels, a two-dimensional finite element (FE) model of the transient thermal convection-diffusion problem at block braking is developed. The streamline diffusion method is used to stabilize the solution. A constitutive law is adopted that describes the division of frictional heat between block and wheel. The model parameters are calibrated using available experimental data, and a sensitivity analysis is carried out. The results are in good agreement with experimentally obtained experience, especially regarding the division of frictional heat.


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    Title :

    Two-dimensional finite element simulation of the thermal problem at railway block braking


    Contributors:


    Publication date :

    2002


    Size :

    15 Seiten, 19 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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