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RESEARCH PAPERS

Verification of a Transit Vehicle’s Curving Behavior and Projected Wheel/Rail Wear Performance

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

The Analytic Sciences Corporation, Reading, Mass.

R. A. Allen

Association of American Railroads, Chicago, Ill.

J. Dyn. Sys., Meas., Control 104(3), 247-255 (Sep 01, 1982) (9 pages) doi:10.1115/1.3139704 History: Received June 04, 1981; Online July 21, 2009

Abstract

A test program was undertaken at the Transportation Test Center in Pueblo, Colorado, to investigate whether modifications to the truck design, particularly a reduction of the primary yaw stiffness, would reduce wheel and rail wear on a new rapid transit system. The test program examined the behavior of the trucks during the negotiation of a number of curves typical of those encountered in revenue service. Test results compared favorably with predictions from a mathematical model of the truck’s curving behavior and, subsequently, the model was used to evaluate a number of truck parameter variations. Results show that the reduction in primary yaw stiffness produced a large improvement in curving performance. This paper also quantifies the effects of axle misalignment and discusses the need for experimental data to relate a wear index to wheel and rail wear.

Copyright © 1982 by ASME
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