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http://dx.doi.org/10.3795/KSME-A.2013.37.11.1387

Dynamic Analysis of Railway Vehicle with Wheel Unbalance  

Lee, Seung Il (Dept. of Railway Vehicle System Engineering, Korea Transportation Nat'l Univ.)
Choi, Yeon-Sun (School of Mechanical Engineering, Sungkyunkwan Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.37, no.11, 2013 , pp. 1387-1395 More about this Journal
Abstract
When the center of mass of a railway wheel is not aligned with the geometrical center of the wheel axis, wheel unbalance occurs. If a railway vehicle runs without removing the wheel unbalance, vibrations will be produced. This will also cause wear and damage of the axle bearing. In this study, dynamic analysis of a railway vehicle with wheel unbalance was conducted to examine the reduction in critical speed and the resonance of the car-body and the effect on the magnitude of wheel unbalance was examined. In addition, the calculation of the car-body vibration owing to static and dynamic unbalance in the railway wheel shows that two-plane balancing is necessary.
Keywords
Railway Vehicle Wheel; Wheel Unbalance; Critical Speed; Dynamics Analysis;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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