The rolling contact fatigue (RCF) problems such as head checks (HC) in moderate and large radius curves have high priority of the Dutch railways (NS). The paper proposes a procedure for design of a wheel profile which improves wheel/rail interaction by reducing wear while taking into account rolling contact fatigue. The procedure uses an optimality criterion based on a rolling radii difference (RRD) function. The criterion accounts for stability of a wheelset, minimum wear and contact stresses of wheels and rails as well as safety requirements. Using the proposed procedure a new wheel profile has been obtained and numerically tested using ADAMS/Rail computer package. The results of the optimisation are presented and discussed.


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    Title :

    Design of railway wheel profile taking into account rolling contact fatigue and wear


    Contributors:
    Shevtsov, I.Y. (author) / Markine, V.L. (author) / Esveld, C. (author)


    Publication date :

    2008


    Size :

    10 Seiten, 14 Bilder, 27 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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