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Cost reduction with single axle running gears in metro trains
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics.ORCID iD: 0000-0002-3855-0011
KTH, School of Engineering Sciences (SCI), Engineering Mechanics.ORCID iD: 0000-0002-8237-5847
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics.ORCID iD: 0000-0001-7393-569X
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics.ORCID iD: 0000-0003-4006-807x
2023 (English)In: 2022 Conference Proceedings Transport Research Arena, TRA Lisbon 2022, Elsevier B.V. , 2023, p. 876-883Conference paper, Published paper (Refereed)
Abstract [en]

Energy and maintenance costs constitute a large part of the recurring cost for railway operation. The vehicle weight impacts both energy consumption and the need for tamping of the track, while curving performance impacts the curving resistance and the wear on wheels and rails. In the project RUN2Rail and further in NextGear, both parts of the EU-funded initiative Shift2Rail, a single axle running gear with composite frame and active wheelset guidance was proposed for metro vehicles. The present study is comparing a reference vehicle from Metro Madrid with the proposed vehicle in terms of energy consumption and maintenance cost for simulated service on Metro Madrid Line 10 with curvature, gradients, stops and speed profiles considered. The calculated yearly saving for each vehicle become about 50 k€/(year*trainset), split on 20% on energy and 40% on each of wheel and track maintenance.

Place, publisher, year, edition, pages
Elsevier B.V. , 2023. p. 876-883
Keywords [en]
Active suspension, Energy consumption, Reinforced plastic, Two-axle vehicle, Weight reduction, Wheel wear
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-342801DOI: 10.1016/j.trpro.2023.11.495Scopus ID: 2-s2.0-85182935313OAI: oai:DiVA.org:kth-342801DiVA, id: diva2:1833324
Conference
2022 Conference Proceedings Transport Research Arena, TRA Lisbon 2022, Lisboa, Portugal, Nov 14 2022 - Nov 17 2022
Note

QC 20240202

Available from: 2024-01-31 Created: 2024-01-31 Last updated: 2024-02-02Bibliographically approved

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Persson, RickardStichel, SebastianLiu, ZhendongGiossi, Rocco Libero

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CiteExportLink to record
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  • apa
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