Considering the total cost of railway operations, it is important to reduce the deterioration caused to the track by rail vehicles and vice versa. Radial steering running gear, where the wheelsets take up approximate radial positions in curves, is an important mean of reducing rail and wheel wear. They also allow curves to be negotiated at higher lateral acceleration or non-perfect track, without exceeding stipulated limits for lateral track shift forces. In order to run dynamically stable at high speed, the damping of the bogie must be appropriate, in particular the yaw damping between bogies and car body. Since the mid-1970s radial self-steering bogies have been developed and used in about 1200 passenger rail vehicles in Scandinavia. This development continues and during 2006 a test train with radial self-steering bogies is run in speeds up till 281 km/h as part of the Swedish R&D program GrönaTaget (GreenTrain). The lateral track forces are low, typically 50-65 % of the limit values. Simulations of wheel and rail wheel show significant advantages for the softer wheelset guidance. The difference between the soft and medium bogie configurations is quite small when it comes to running behaviour at higher speeds, but more obvious when it comes to small-radius curve negotiation. Although there are limitations in the performance of passively self-steering bogies they are a simple and proven solution. Ultimately, in the future actively controlled radial steering may be considered as an appropriate mean to achieve higher performance and track-friendliness.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Radial self-steering bogies - Development, advantages and limitations


    Weitere Titelangaben:

    Drehgestelle mit radial einstellbaren Radsätzen - Entwicklung, Vorteile und Grenzen


    Beteiligte:

    Erschienen in:

    ZEVrail Glasers Annalen ; 131 , Sonderheft Tagungsband


    Erscheinungsdatum :

    2007


    Format / Umfang :

    12 Seiten, 15 Bilder, 11 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





    Radial self-steering bogies - Development, advantages and limitation

    Andersson, Evert / Orvnä, Anneli / Persson, Rickard | IuD Bahn | 2007


    Steering characteristics of bogies

    Newland, D.E. | Engineering Index Backfile | 1968



    The Effect of Locomotive Radial Steering Bogies on Wheel and Rail Wear

    Swenson, C. / Scott, T. / IEEE | British Library Conference Proceedings | 1996