Ride Quality Analysis of Multi-Level Auto Rack Equipped Flat Cars

[+] Author and Article Information
R. W. Carman

Equip. Research Eng., Southern Railway Company, Washington, D.C.

K. C. Kieres

Southern Railway Company, Washington, D.C.

J. Eng. Ind 103(2), 241-245 (May 01, 1981) (5 pages) doi:10.1115/1.3184483 History: Received August 09, 1979; Online July 30, 2009


Ride characteristics of three different truck spring arrangements applied to multi-level auto rack equipped 89 ft. (27.1 m) flat cars were measured. Spring arrangements consisted of a group designed to carry the full AAR axle capacity, a reduced capacity group designed for the actual weight carried, and a hydraulically damped spring group. Data was reduced using a spectrum analyzer to produce spectral density plots.

Copyright © 1981 by ASME
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