Unstable Sloshing Vibration in a Thin Cylindrical Weir

[+] Author and Article Information
M. Chiba

Department of Mechanical Engineering, Iwate University, Morioka, 020 Japan

H. Kiuchi

ALPS Electric Co., Tamayama, Iwate, 028-41 Japan

J. Tani

Institute of Fluid Science, Tohoku University, Sendai, 980 Japan

J. Pressure Vessel Technol 119(1), 68-73 (Feb 01, 1997) (6 pages) doi:10.1115/1.2842269 History: Received August 10, 1995; Revised September 10, 1996; Online February 11, 2008


Traveling unstable sloshing modes have been observed in experiments on the fluidstructure coupled system in a thin cylindrical weir. The unstable vibration was found to be classified into three types: i.e., traveling wave which travels along one circumference direction; traveling wave which travels in the clockwise and counterclockwise directions alternately; and stationary wave. Influences of the outer and the inner annular gap widths, the height of weir, the elastic rigidity of weir, and baffle plate on the characteristics of the unstable sloshing vibration were clarified.

Copyright © 1997 by The American Society of Mechanical Engineers
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