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RESEARCH PAPERS: Fluid-Elastic Vibration Phenomena

Experimental Studies of Damping and Hydrodynamic Mass of a Cylinder in Confined Two-Phase Flow

[+] Author and Article Information
L. N. Carlucci, J. D. Brown

Engineering Research Branch, Chalk River Nuclear Laboratories, Atomic Energy of Canada Limited, Chalk River, Ontario, Canada

J. Vib., Acoust., Stress, and Reliab 105(1), 83-89 (Jan 01, 1983) (7 pages) doi:10.1115/1.3269073 History: Received June 03, 1981; Online November 23, 2009

Abstract

This paper presents the results of experiments done to determine the effects of cylinder mass and flow regime on the damping and hydrodynamic mass characteristics of a cylinder vibrating in simulated two-phase air-water flows. It was found that two-phase damping varied in inverse proportion to the combined cylinder and two-phase hydrodynamic masses. This is in agreement with a postulated detuning process for damping in two-phase flow. As in earlier studies, the two-phase hydrodynamic mass was found to be less than that calculated from the mixture density, for all flow conditions.

Copyright © 1983 by ASME
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