Dynamics of railway wagons subjected to braking torques on defective tracks

Zhang, Zuoyan & Dhanasekar, Manicka (2012) Dynamics of railway wagons subjected to braking torques on defective tracks. Vehicle System Dynamics, 50(1), pp. 109-131.

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It is well known that track defects cause profound effects to the dynamics of railway wagons; normally such problems are examined for cases of wagons running at a constant speed. Brake/traction torques affect the speed profile due to the wheel–rail contact characteristics but most of the wagon–track interaction models do not explicitly consider them in simulation. The authors have recently published a model for the dynamics of wagons subject to braking traction torques on a perfect track by explicitly considering the pitch degree of freedom for wheelsets. The model is extended for cases of lateral and vertical track geometry defects and worn railhead and wheel profiles. This paper presents the results of the analyses carried out using the model extended to the dynamics of wagons containing less ideal wheel profiles running on tracks with geometry defects and worn rails.

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ID Code: 44037
Item Type: Journal Article
Refereed: Yes
Additional Information: Taylor & Francis iFrist publications
Keywords: Braking/Traction Torque, Wheel Unloading, Track Irregularity, Wagon Yaw, Wagon Roll, Worn Rail/Wheel
DOI: 10.1080/00423114.2011.571265
ISSN: 0042-3114
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > OTHER ENGINEERING (099900)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2011 Taylor & Francis
Copyright Statement: This is an electronic version of an article published in [Vehicle System Dynamics, iFrist publication]. [Vehicle System Dynamics] is available online at informaworldTM
Deposited On: 18 Aug 2011 22:54
Last Modified: 22 Jan 2013 00:29

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