The Frequency of Inertial Waves in a Rotating, Sectored Cylinder

[+] Author and Article Information
W. E. Scott

Ballistic Research Laboratories; Department of E. and P. S., The Johns Hopkins University, Baltimore, Md.

J. Appl. Mech 43(4), 571-574 (Dec 01, 1976) (4 pages) doi:10.1115/1.3423933 History: Received March 01, 1975; Online July 12, 2010


An analysis of the inertial wave eigenfrequencies of a rapidly rotating liquid in a cylinder whose cross section is divided into four 90 deg sectors reveals that only if the cylinder height is less than the cylinder diameter can the fundamental frequencies be of the order of magnitude of the frequencies of spin-stablilized projectiles. Hence, sectoring the usual long cavities in liquid-filled, spin-stabilized projectiles will preclude the occurrence of a “Stewartson” resonance.

Copyright © 1976 by ASME
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