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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 104
PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
Paper 158

Comparison of Braking Performance for Different Technologies of Heavy Hauled Freight Trains

L. Cantone and V. Vullo

Department of Engineering for Enterprise "Mario Lucertini", University of Rome "Tor Vergata", Rome, Italy

Full Bibliographic Reference for this paper
L. Cantone, V. Vullo, "Comparison of Braking Performance for Different Technologies of Heavy Hauled Freight Trains", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 158, 2014. doi:10.4203/ccp.104.158
Keywords: longitudinal dynamics, freight train, interoperability.

Summary
The paper shows a comparison of different braking technologies for freight trains and their effects on in-train forces. At this aim, the UIC certified software TrainDy is employed. Freight train sets, having one and two remote locomotives, are investigated both as coupled trains and as fixed train compositions. There is also an evaluation of the in-train forces of freight train sets equipped by electro-pneumatic brakes and disk brakes. The case of two remote locomotives is further explored showing the minor benefits of an ad hoc activation of drivers brake valve, compared to the benefits of an optimized mass distribution, for train sets both coupled and fixed.

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