Effects of Truck Design on Hunting Stability of Railway Vehicles

[+] Author and Article Information
J. A. Hadden

Department of Mechanical Engineering, Clemson University, Clemson, S.C.

E. H. Law

Mechanics and Mechanical Engineering, Department of Mechanical Engineering, Clemson University, Clemson, S.C.

J. Eng. Ind 99(1), 162-171 (Feb 01, 1977) (10 pages) doi:10.1115/1.3439133 History: Received July 28, 1976; Online July 15, 2010


A general model of a dual-axle railway vehicle truck is derived. By suitable choices of primary suspension elements, this general model may be specialized to become (1) a roller-bearing freight truck, (2) a plain-bearing freight truck, (3) a roller-bearing truck with primary suspension elements, (4) a passenger truck, (5) a generic model of a freight truck with interconnected wheelsets, or (6) a rigid truck. The truck model is combined with a car body capable of lateral and roll displacements. The effects of the various design parameters on the critical speed for hunting are examined for each configuration.

Copyright © 1977 by ASME
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