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Prediction model for wheel profile wear and rolling contact fatigue
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Rail Vehicles.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Rail Vehicles.ORCID iD: 0000-0002-3447-6686
2009 (English)In: 8th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, 2009Conference paper, Published paper (Refereed)
Abstract [en]

A lifetime prediction tool for railway wheels and rails should be able to predict both wear and rolling contact fatigue (RCF), which are the two main deterioration phenomena. Several models exist to predict wear or RCF, but not that many models exist which can predict both. In this study, two of these RCF prediction models have been extended. The performance of these models has been studied through a parametric study where multi-body simulations (MBS) provided the input to the models. The influences of several parameters which can have an effect on the wheel/rail life have been studied in order to find the behavior of the different models. These parameters are: curve radius, worn wheel and rail profiles, coefficient of friction, primary stiffness, track irregularities, and cant deficiency.  This paper describes the differences between the two models and shows that the adjustments of the models have a significant influence on RCF prediction.

Place, publisher, year, edition, pages
2009.
National Category
Vehicle Engineering
Research subject
Järnvägsgruppen - Fordonsteknik
Identifiers
URN: urn:nbn:se:kth:diva-48711OAI: oai:DiVA.org:kth-48711DiVA: diva2:458347
Conference
8th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems. Florence, Italy. September 15-18, 2009
Note

QC 20111125

Available from: 2011-11-22 Created: 2011-11-22 Last updated: 2016-09-01Bibliographically approved

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Enblom, Roger

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