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TECHNICAL PAPERS

Motion-Dependent Fluid Force Coefficients for Tube Arrays in Crossflow

[+] Author and Article Information
S. S. Chen

Argonne National Laboratory, Energy Technology Division, Argonne, IL 60439e-mail: sschen88@aol.com

G. S. Srikantiah

Electric Power Research Institute, Palo Alto, CA 94303e-mail: GSRIKANT@epri.com

J. Pressure Vessel Technol 123(4), 429-436 (May 23, 2001) (8 pages) doi:10.1115/1.1401022 History: Received February 15, 2001; Revised May 23, 2001
Copyright © 2001 by ASME
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References

Figures

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Tube arrays in crossflow and schematic representation of displacement components of a tube j and motion-dependent fluid force components acting on tube j
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Square tube array with pitch-to-diameter ratio of 1.46
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Test configuration in which tubes are arranged in a row; pitch-to-diameter ratio P/D=1.35
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Test configuration in which tubes are arranged in triangular arrays—(a) case a, upstream; (b) case b, middle-of-tube array; (c) case c, downstream; pitch-to-diameter ratio P/D=1.35
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Test configuration in which tubes are arranged in square arrays—(a) case a, upstream; (b) case b, middle-of-tube array; (c) case c, downstream; pitch-to-diameter ratio P/D=1.46 and 1.42
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Motion-dependent fluid forces gj and hj(j=1,2,3,4) and displacement u1 in tube row configuration due to motion of tube 1 in x direction as a function of time
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Self-induced fluid damping coefficient for tube row configuration as a function of reduced flow velocity for various flow velocities
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Self-induced fluid damping coefficient at low reduced flow velocities (tube row) as a function of reduced flow velocity, including data from Tanaka 18
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Symmetry and asymmetry of fluid force coefficients σjk and σjk for case b of triangular array (j=6 and 7, k=1)
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Symmetry and asymmetry of fluid-force coefficients τjk and τjk for case b of triangular array (j=6 and 7, k=1)

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