Flexural Instabilities in Axially Moving Bands

[+] Author and Article Information
S. F. Asokanthan

Department of Mechanical Engineering, University of Queensland, St. Lucia, Queensland 4072, Australia

S. T. Ariaratnam

Solid Mechanics Division, University of Waterloo, Ontario, Canada N2L 3G1

J. Vib. Acoust 116(3), 275-279 (Jul 01, 1994) (5 pages) doi:10.1115/1.2930425 History: Received February 01, 1992; Revised March 01, 1993; Online June 17, 2008


Flexural instabilities in moving bands under harmonic tension fluctuation are investigated. The discretized equations of flexural motion represent a periodically perturbed linear gyroscopic system. Explicit conditions for the onset of instability are established employing the method of averaging. The effects due to damping, mean band speed, and the band compliance on the band stability are discussed. The present analysis is adequate in the design of moving bands where it is necessary to avoid critical speed ranges.

Copyright © 1994 by The American Society of Mechanical Engineers
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