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RESEARCH PAPERS

Vibration of Tube Bundles Subjected to Two-Phase Cross-Flow

[+] Author and Article Information
M. J. Pettigrew, J. H. Tromp, J. Mastorakos

Atomic Energy of Canada Limited, Chalk River Nuclear Laboratories, Chalk River, Ontario, Canada

J. Pressure Vessel Technol 107(4), 335-343 (Nov 01, 1985) (9 pages) doi:10.1115/1.3264461 History: Received October 09, 1984; Revised January 29, 1985; Online November 05, 2009

Abstract

Two-phase cross-flow exists in many shell-and-tube heat exchangers such as condensers, reboilers and nuclear steam generators. Thus we are conducting a comprehensive program to study tube bundle vibrations subjected to two-phase cross-flow. This paper presents the results of experiments on a normal-triangular and a normal-square tube bundle, both of p /d = 1.47. The bundles were subjected to air-water mixtures to simulate realistic vapor qualities and mass fluxes. Vibration excitation mechanisms were deduced from vibration response measurements. Results on damping, hydrodynamic mass, fluid-elastic instability and random turbulence excitation in two-phase cross-flow are presented.

Copyright © 1985 by ASME
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