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RESEARCH PAPERS: Rail Transportation Papers

Dynamic Performance of Single-Axle Freight Trucks

[+] Author and Article Information
D. N. Wormley

Massachusetts Institute of Technology, Cambridge, Mass.

P. A. Tombers

Analysis & Design, Trailer Train Company, Chicago, Ill.

J. Eng. Ind 105(2), 71-74 (May 01, 1983) (4 pages) doi:10.1115/1.3185873 History: Received January 14, 1983; Online July 30, 2009

Abstract

An analysis has been developed to evaluate the stability of freight cars employing single-axle freight trucks. The analysis has been used to evaluate the influence of wheel/track contact geometry, suspension stiffness, and loading on truck stability. Field data resulting from measurement of a prototype car lateral axle accelerations have been used to identify car critical speeds as a function of suspension stiffness and loading. These data have agreed closely with the analytical calculations and provided a basis for selection of car design parameters to achieve desired values of critical speed.

Copyright © 1983 by ASME
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