NDLI: Analyses of Wheel/Rail Unsymmetrical Contact Problem

Content Provider	IEEE Xplore Digital Library
Author	Weihua Ma Shihui Luo Rongrong Song
Copyright Year	2008
Description	Author affiliation: Coll. of Comput. Sci. & Technol., Southwest Univ. for Nat., Chengdu (Rongrong Song) \|\| Traction Power State Key Lab., Southwest Jiaotong Univ., Chengdu (Weihua Ma; Shihui Luo)
Abstract	Wheel surface damage can divided into three types: wheel tread spalling, out-of-round of wheel and wheel flange wear. Not only the ride index and comfort can be influenced by the wheel tread damage, but also the lateral stability can be affected by wheel tread damage. The railway vehicle derailment maybe happen when the wheel surface damage serious enough. The unsymmetrical wheel/rail contact was an important reason which can leads to the wheel surface damage problem. The unsymmetrical wheel/rail contact was consisted of symmetrical wheel tread combined with the unsymmetrical rail, unsymmetrical wheel tread combined with the symmetrical rail and unsymmetrical wheel tread combined with the unsymmetrical rail. The unsymmetrical wheel/rail contact can be formed when the wheel surface damage or the rail head damage. The forming of the unsymmetrical wheel/rail contact can exacerbate the damage of wheel surface. To improve the dynamic performance and the stability of the vehicle, the strong wheel/rail unsymmetrical contact must be avoided.
Starting Page	344
Ending Page	347
File Size	408295
Page Count	4
File Format	PDF
ISBN	9780769533575
DOI	10.1109/ICICTA.2008.140
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Railway Stability Railway accidents Wheels Railway safety Flanges Vehicle dynamics Geometry Vehicle safety contact Rail transportation Surface cracks Wheelrail Tread
Content Type	Text
Resource Type	Article

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