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How to find a compromise between track friendliness and the ability to run at high speed
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Spårfordon.
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Spårfordon.ORCID-id: 0000-0002-8237-5847
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Spårfordon.
Passenger Trains Division, Bombardier Transportation, Västerås, Sweden.
2012 (Engelska)Ingår i: Civil-Comp Proceedings, ISSN 1759-3433, Vol. 98Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

When designing and optimizing a rail vehicle there is a contradiction between, on the one hand, stability on straight track at high speed and, on the other hand, reasonable wheel and rail wear in small- and medium-radius curves. This paper describes the process of developing and optimizing a track-friendly bogie. A simulation model has been used to investigate dynamic stability on straight track at high speeds along with the wheel and rail wear in sharper curves. The result is a bogie with relatively soft wheelset guidance allowing passive radial self-steering, which in combination with appropriate yaw damping ensures stability on straight track at higher speeds. This bogie has been tested according to EN 14363 at speeds up to about 300 km/h and in curves with radii ranging from 250 m and up. 

Ort, förlag, år, upplaga, sidor
Civil-Comp Press , 2012. Vol. 98
Nyckelord [en]
Bogie, On-track tests, Rail wear, Running stability, Simulations, Track friendliness, Wheel wear, Bogies (railroad rolling stock), Rail laying, Stability, Wear of materials, Wheels, Wheel wears, Speed
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Identifikatorer
URN: urn:nbn:se:kth:diva-261555DOI: 10.4203/ccp.98.68Scopus ID: 2-s2.0-85068458424OAI: oai:DiVA.org:kth-261555DiVA, id: diva2:1360512
Anmärkning

 Funding details: Trafikverket; Funding details: Bombardier Transportation; Funding text 1: The authors gratefully acknowledge the full support from Trafikverket (Swedish Transport Administration) as well as from Bombardier Transportation. The train operator SJ AB and the train leasing company Transitio also gave most valuable support for on-track testing. Interfleet Technology supplied and operated force-measuring instrumented wheels. QC 20191014

Tillgänglig från: 2019-10-14 Skapad: 2019-10-14 Senast uppdaterad: 2019-10-14Bibliografiskt granskad

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