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RESEARCH PAPERS

Railway Wheel Squeal (Squeal of Disk Subjected to Periodic Excitation)

[+] Author and Article Information
M. Nakai

Department of Precision Engineering, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto, 606-01 Japan

S. Akiyama

Design Department, Engineering Division, Kawasaki Heavy Industry Co., Ltd, 2-1-18 Wadayama-dori, Hyogo-Ku, Kobeshi, 652 Japan

J. Vib. Acoust 120(2), 614-622 (Apr 01, 1998) (9 pages) doi:10.1115/1.2893871 History: Received December 01, 1995; Online February 26, 2008

Abstract

As a fundamental study of the squeal of a railway wheel running on a corrugated rail, frictional experiments using a thin steel disk and a rod and analysis were performed. A disk representing the railway wheel was clamped at the center with a free periphery and subjected to periodic excitation in its axial direction. When the frequency of excitation is not close to any natural frequency of the disk, squeals with a single nodal diameter mode occur. Squeals at the natural frequency of the disk fall into resonance with the frequency of the excitation, provided that the two frequencies are the same. Then two kinds of squeals occur: squeal at entrained frequency and that at both the entrained frequency and the frequency of another vibrational mode of the disk.

Copyright © 1998 by The American Society of Mechanical Engineers
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