Box-type flow deflector for nuclear fuel grid
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United States of America Patent
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-
Feb 16, 1988
Grant Date -
N/A
app pub date -
Nov 14, 1986
filing date -
Nov 14, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Fuel elements (16) support grids have openings (22,24) in the intersecting matrix strip (12,14) edges adjacent their points of intersection in which box-shaped conduit means (20) with integral mixing vanes (30 and 32) on the flow exit end (28) are secured. The vanes (30,32) create flow in two offset and oppositely transverse directions (34 and 36) relative to the direction of flow through the conduit means in order to generate thermal-hydraulic performance improving vortices (18) in the flow subchannels defined by the diagonal gaps between fuel elements (16). The box-shaped conduit means (20) also improve grid strength and rigidity.
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Cited Art Landscape
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