Added Mass and Damping of a Vibrating Rod in Confined Viscous Fluids

[+] Author and Article Information
S. S. Chen, M. W. Wambsganss, J. A. Jendrzejczyk

Components Technology Division, Argonne National Laboratory, Argonne, Ill.

J. Appl. Mech 43(2), 325-329 (Jun 01, 1976) (5 pages) doi:10.1115/1.3423833 History: Received September 01, 1974; Revised November 01, 1975; Online July 12, 2010


This paper presents an analytical and experimental study of a cylindrical rod vibrating in a viscous fluid enclosed by a rigid, concentric cylindrical shell. A closed-form solution for the added mass and damping coefficient is obtained and a series of experiments with cantilevered rods vibrating in various viscous fluids is performed. Experimental data and theoretical results are in good agreement.

Copyright © 1976 by ASME
Topics: Fluids , Damping , Pipes , Rods
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