Mapping of the Lateral Flow Field in Typical Subchannels of a Support Grid With Vanes

[+] Author and Article Information
Heather L. McClusky, Mary V. Holloway, Timothy A. Conover, Donald E. Beasley

Department of Mechanical Engineering, Clemson University, 106-D Flour Daniel Building, Clemson, SC 29634

Michael E. Conner, L. David Smith

Westinghouse Nuclear Fuel, 5801 Bluff Road, Columbia, SC 29250

J. Fluids Eng 125(6), 987-996 (Jan 12, 2004) (10 pages) doi:10.1115/1.1625688 History: Received December 17, 2002; Revised June 23, 2003; Online January 12, 2004
Copyright © 2003 by ASME
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End view of the support grid (a) vane pattern; (b) numbering scheme and parameters (D=9.5 mm, P=12.6 mm, W=7.34 mm); (c) single subchannel showing the split-vane pair for subchannel 6 with weld nugget (Dh=11.78 mm)
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Drawing of the experimental facility
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Lateral velocity and axial vorticity fields for (a) Region I: subchannel 6 at 1.4Dh:(b) Region I: subchannel 7 at 2.8Dh; (c) Region II: subchannel 7 at 6.3Dh;(d) Region II: subchannel 10 at 8.5Dh.
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Streamwise development of lateral kinetic energy
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Maximum lateral velocity for (a) subchannel 6; (b) subchannel 10; (c) subchannels 5 and 7
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Location of center of vortex (centroid of vorticity)
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Radial profiles of azimuthal velocity for subchannels 5 and 7 (ro=2.5 mm)
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Radial profiles of azimuthal velocity in subchannel 6 (ro=3.5) mm) center of the vortex
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Comparison of radial profiles of azimuthal velocity for subhcannel 6 of the present study with 6(ro=3.5 mm)
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Streamwise development of angular momentum (see Table 3 for values of angular momentum at 6.3Dh)
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Comparison of PIV and LDV data for subchannel 7 at 2.8Dh (nt,o=8.32 mm)




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