Traveling-Wave Vibration of Gas-Turbine Engine Shells

[+] Author and Article Information
H. J. Macke

Applied Mechanics, Large Jet Engine Department, General Electric Company, Evendale Plant, Cincinnati, Ohio

J. Eng. Power 88(2), 179-187 (Apr 01, 1966) (9 pages) doi:10.1115/1.3678502 History: Received August 11, 1965; Online January 10, 2012


Two related analyses are presented to account for the presence of traveling-wave vibration in stationary and rotating cylindrical shells in gas-turbine engines. Governing equations are developed and shown to correlate well with experimentally determined evidence. For stator casings enclosing rotating blades, a criterion for minimum wall thickness is developed. For rotor shells, relations for forward and backward-traveling waves are compared with the corresponding well-known relations for disks.

Copyright © 1966 by ASME
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