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Improvement of the railway vehicle performance in circulation in curve

Published online by Cambridge University Press:  07 January 2009

Habib Bettaieb
Habib Bettaieb*
Affiliation:
Laboratoire de Génie Mécanique ENIM, Université de Monastir, Av. Ibn El Jazzar, 5019 Monastir, Tunisie École Préparatoire aux Académies Militaires, 4052 Sousse, Tunisie
*
habib.bettaieb@enim.rnu.tn
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Abstract

This article paper the influence of rails inclination on the behaviour of a railway vehicle in circulation on a curve and on alignment. A comparative study is performed the behaviour of a vehicle which circulates on rails without inclination and another circulating on inclined on rails. This study shows the interest on the inclined rails. The effects of the transverse and longitudinal stiffness of the primary suspension, the angle of inclination rail and the equivalent conicity of the wheels are considered to evaluate the vehicle's behaviour in curve and transverse stability. The simulation of the vehicle moving in curve with inclined rails shows that the transverse displacement of this vehicle decreases if the inclination of the rails increases. Moreover, the stability of a wheelset which circulates on inclined rails is comparable to the stability of a wheelset which circulates on the rail without inclination, and then the stability of the vehicle is preserved.

Keywords

Simulationmovement in curverail inclinationtransverse stabilitycritical speedSimulationcirculation en courberail inclinéstabilité transversalevitesse critique
Type
Research Article
Information
Mechanics & Industry , Volume 9 , Issue 4 , July 2008 , pp. 335 - 346
Copyright
© AFM, EDP Sciences, 2008

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References

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