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2018 | OriginalPaper | Buchkapitel

Analysis of Railway Wheel-Squeal Due to Unsteady Longitudinal Creepage Using the Complex Eigenvalue Method

verfasst von : D. J. Fourie, P. J. Gräbe, P. S. Heyns, R. D. Fröhling

Erschienen in: Noise and Vibration Mitigation for Rail Transportation Systems

Verlag: Springer International Publishing

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Abstract

Railway wheel-squeal is a major source of noise nuisance in the proximity of curves where squeal occurs. Wheel-squeal results from frictional instability in the wheel-rail contact patch due to the creep forces generated during vehicle guidance. In the present study, an investigation of railway wheel-squeal due to mode-coupling instability is performed by implementing complex eigenvalue analysis using finite element software. The results of the study show that squeal in 1000 m radius curves can be attributed to the coupling of doublet wheel modes in the presence of saturated longitudinal creepage. More specifically the model validates the experimentally obtained squeal frequencies.

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Vorheriges Kapitel Wheel Squeal: Insights from Wayside Condition Monitoring

Nächstes Kapitel Prediction of Wheel Squeal Amplitude

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Titel: Analysis of Railway Wheel-Squeal Due to Unsteady Longitudinal Creepage Using the Complex Eigenvalue Method
verfasst von: D. J. Fourie
P. J. Gräbe
P. S. Heyns
R. D. Fröhling
Verlag: Springer International Publishing
Buch: Noise and Vibration Mitigation for Rail Transportation Systems
Print ISBN: 978-3-319-73410-1

Electronic ISBN: 978-3-319-73411-8

Copyright-Jahr: 2018
DOI: https://doi.org/10.1007/978-3-319-73411-8_3

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