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RESEARCH PAPER

Damping of Heat Exchanger Tubes in Two-Phase Flow: Review and Design Guidelines

[+] Author and Article Information
M. J. Pettigrew

BWC/AECL/NSERC Chair of Fluid-Structure Interaction, Mechanical Engineering Department, Ecole Polytechnique, Montreal, QC Canada H3C 3A7

C. E. Taylor

Atomic Energy of Canada Ltd., Chalk River Laboratories, Chalk River, ON Canada K0J 1J0

J. Pressure Vessel Technol 126(4), 523-533 (Dec 01, 2004) (11 pages) doi:10.1115/1.1806443 History: Received July 02, 2002; Revised May 05, 2004; Online December 01, 2004
Copyright © 2004 by ASME
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References

Figures

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Flow regime map for tube bundles in vertical cross flow: symbols show flow conditions for fluidelastic instability and damping measurements taken by Pettigrew et al. 16
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Effect of mass flux on two-phase damping ratio in annular flow, Carlucci and Brown 2
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Effect of mass flux on tube damping in two-phase cross flow, Pettigrew et al. 16
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Effect of mass flux on damping in lift and drag direction for a normal-square tube bundle in cross flow, Pettigrew et al. 16
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Damping of tube bundles of P/D=1.47 in two-phase cross flow showing the effect of void fraction, Pettigrew et al. 16
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Damping of tube bundles in two-phase cross flow: comparison of air-water and steam-water results: □: normal-square, ▹: normal-triangular, ▵: rotated triangular bundle
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Damping of a rotated triangular tube bundles in Freon-22 two-phase cross flow, Pettigrew et al. 19
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Effect of void fraction on two-phase damping in cross flow: proposed void fraction dependence function, f(εg), shown. Normalized two-phase damping ratio, (ζTP)nTPlD2/m)−1{[1+(D/De)3]/[1−(D/De)2]2}−1.
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Damping of tube rows in air-water cross flows, Taylor et al. 1331; comparison against tube bundle data, Pettigrew et al. 16
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Total damping for tube bundles of P/D=1.22 in air-water cross flow, Pettigrew et al. 30
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Damping behavior: comparison between all flexible tube bundle and one flexible tube surrounded by rigid tubes, Pettigrew et al. 16
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Effect of surface tension on two-phase damping, Pettigrew and Knowles 5
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Damping of rotated triangular tube bundles: comparison between air-water at 20°C, ▵ (Pettigrew et al. 16); steam-water at 210°C, □ (Axisa et al. 10); and Freon-22, • (Pettigrew et al. 19)
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Comparison between proposed design guideline and available damping data. Normalized two-phase damping ratio, (ζTP)D:(ζTP)DTPlD2/m)−1{[1+(D/De)3]/[1−(D/De)2]2}−1.

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