Skid of wheelsets leads to uncontrolled severe dynamics of bogies including derailment potential and damage to the running surfaces of the wheel and railhead. Simulation of wheelset skid would enhance the understanding of the skid mechanism and improve the level of safety. To effectively simulate bogie skid, the wheelsets should be modelled incorporating pitch degree of freedom. Such a model, based on a fixed inertial frame reference system, has been recently developed by the first author and is used in this paper to examine the skid of a simplified bogie containing two wheelsets and a bogie frame connected through spring-damper system. The current model accepts braking/traction torque as a primary input and calculates the longitudinal speed profile, acceleration, and distance travelled as a natural process. The calculated results have been validated using VAMPIRE where possible. The ability of the current model in predicting lateral dynamics while subjected to longitudinal skid is demonstrated through numerical examples - a feature that could not readily be predicted by most commercial wagon dynamics packages.


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    Title :

    Wheelset skid in railway bogies


    Contributors:
    Handoko, Y (author) / Dhanasekar, M (author)


    Publication date :

    2007-03-01


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Wheelset skid in railway bogies

    Handoko, Y. | Online Contents | 2007


    Wheelset skid in railway bogies

    Handoko, Y. / Dhanasekar, M. | British Library Online Contents | 2007




    Railway bogies

    Engineering Index Backfile | 1947