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Prediction of lateral wheel-rail contact forces for ore wagons with three-piece bogies
Luleå tekniska universitet.
Luleå tekniska universitet.
1998 (English)In: Proceedings of the 6th Mini Conference on Vehicle System Dynamics, Identification and Anomalies: held at the Faculty of Transportation Engineering, Technical University of Budapest, Hungary, Budapest, 09 - 11 November, 1998 / [ed] I. Zobory, Budapest: Techn. Univ. , 1998, p. 161-170Conference paper, Published paper (Refereed)
Abstract [en]

The transportation of ore can be made more cost efficient by use of bigger and heavier trains. An increased load on the track gives higher demands on both vehicle and infrastructure performance in order to limit the maintenance cost. At Malmbanan/Ofotbanen in Sweden and Norway there are many tight curves along the track experiencing high wear. One criterion for allowing a higher axle load is therefore to reduce the lateral track forces compared to the level of today. To evaluate the effect of an increased axle load, instrumented wheelset measurements were performed on different test vehicles of three-piece type. The measurements show essential variations in lateral force levels depending not only on curve radius and coefficient of friction in the wheel-rail contact, but greatly on the actual individual curve. This effect is studied in this work. The curving performance of one of the vehicles when running through curves with different rail profiles have been simulated. Both simulations and experimental results show large lateral forces for the typical situation on the studied track. The importance of matching wheel and rail profiles in order to get low contact forces and, as a consequence, less wear is shown.

Place, publisher, year, edition, pages
Budapest: Techn. Univ. , 1998. p. 161-170
National Category
Other Mechanical Engineering
Research subject
Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-31843Local ID: 624e7bb0-258d-11dd-9e62-000ea68e967bISBN: 963-420-635-2 (print)OAI: oai:DiVA.org:ltu-31843DiVA, id: diva2:1005077
Conference
Mini Conference on Vehicle System Dynamics, Identification and Anomalies : 09/11/1998 - 11/11/1998
Note

Godkänd; 1998; 20080519 (cira)

Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-02-05Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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