Flow-Induced Vibrations of Mixing Vessel Internals

[+] Author and Article Information
R. King

BHRA, The Fluid Engineering Centre, Cranfield, Bedford, England

J. Vib., Acoust., Stress, and Reliab 107(2), 253-258 (Apr 01, 1985) (6 pages) doi:10.1115/1.3269252 History: Received October 01, 1984; Online November 23, 2009


This paper draws together the results of research work undertaken at BHRA on cylinders excited to oscillate by flow within unbaffled mixing vessels. Oscillations of an anchor mixer and of dip tubes are described, including those cases in which the cylinders are mounted close to the vessel wall. The results are used to define guidelines for calculating safe operating limits of cylinders dipping into water, and for avoiding vortex excited oscillations of an anchor mixer by a device which actually improves its efficiency as a mixer.

Copyright © 1985 by ASME
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