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TECHNICAL PAPERS

Effect of Flow Regime and Void Fraction on Tube Bundle Vibration

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

AECL-Chalk River Laboratories, Chalk River, Ontario K0J 1J0, Canada

J. Pressure Vessel Technol 123(4), 407-413 (Jul 10, 2001) (7 pages) doi:10.1115/1.1403024 History: Received March 13, 2000; Revised July 10, 2001
Copyright © 2001 by ASME
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References

Figures

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Schrage’s test section with simultaneous fast-acting sliding valves to block the two-phase flow
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Freon test loop (MR-3 loop)
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Schematic of the freon loop test section
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Placement of optic probes within test section with the rotated triangular array tube bundle; see Figs. 5 and 6 for details
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Optic probe positions along a tube
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Optic probe positions around circumference of a tube
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Void fraction measurements along a tube
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Void fraction measurements around a tube
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Void fraction measurements through the bundle
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Flow regime map for vertically upward two-phase flow from Feenstra et al. 4. Data Symbols: square (Pettigrew et al. 20, upward triangle (Axisa 21), downward triangle (Pettigrew et al. 10), and circle (Feenstra et al. 22).
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Comparison of two-phase damping data collapsed with the homogeneous model (solid symbols) and the drift-flux model (open symbols)
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Comparison of hydrodynamic mass ratio data collapsed with the homogeneous model (solid symbols) and the drift-flux model (open symbols)
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Fluidelastic instability data for two-phase cross flow from Feenstra 15. The solid symbols indicate intermittent flow regime and the open symbols indicate bubbly or dispersed. (a) Homogenous flow, (b) Schrage slip model.

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