The Effects of Bundle Geometry on Heat Exchanger Tube Vibration in Two-Phase Cross Flow

[+] Author and Article Information
M. J. Pettigrew, C. E. Taylor

Atomic Energy of Canada Limited, Chalk River, Chalk River Laboratories, Ontario KOJ 1JO, Canada

B. S. Kim

Korea Power Engineering Company, Inc., Taejon, Korea

J. Pressure Vessel Technol 123(4), 414-420 (May 22, 2001) (7 pages) doi:10.1115/1.1388236 History: Received March 13, 2000; Revised May 22, 2001
Copyright © 2001 by ASME
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Sketch of test section and tube bundle configurations
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Typical vibration response spectra for normal-square tube bundle, P/D=1.47
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Vibration response: comparison between flexible and rigid tube bundle: rotated-square bundle P/D=1.22: P-1, P-8, P-11; normal-square bundle, P/D=1.47: O-1, O-8, O-11
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Comparison between experiment and theory on hydrodynamic mass
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Effect of void fraction on two-phase damping in cross flow: two-phase damping ratio normalized for P/D using Eq. (6)
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Fluidelastic instability in two-phase cross flow: effect of P/D
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Flow regime for different bundle configurations
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Effect of P/D on fluidelastic instability constant in two-phase cross flow
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Effect of P/D on fluidelastic instability constant for rotated triangular tube bundle in single-phase cross flow 12
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Normalized power spectral density of random turbulence excitation at 30 Hz




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