About the influence of wheel-rail adhesion on the maximum speed of trains

Wheel-rail adhesion is a fundamental aspect in rail transport, with high impact on traction and braking of trains. In the case of high speeds trains, wheel-rail adhesion is particularly important, as the maximum usable traction force is limited by the adhesion force. The present paper analyses the i...

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Bibliographic Details
Main Author: Spiroiu, Marius-Adrian
Format: Conference Proceeding
Language:English
Subjects:
Adhesion
High speed rail
Rail transportation
Traction force
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Summary:Wheel-rail adhesion is a fundamental aspect in rail transport, with high impact on traction and braking of trains. In the case of high speeds trains, wheel-rail adhesion is particularly important, as the maximum usable traction force is limited by the adhesion force. The present paper analyses the influence of wheel-rail adhesion on the maximum speed of trains, considering ranges of usual values for the track gradient and the adhesion coefficient and the real data of two Japanese high-speed trains. Analysis shows that low adhesion and high track gradient result in significant reduction of train speed.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/201817806004