Nuclear fuel assembly
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United States of America Patent
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-
Jun 7, 1988
Grant Date -
N/A
app pub date -
Oct 1, 1986
filing date -
Oct 16, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nuclear fuel assembly containing a plurality of vertical fuel rods and possibly occasional vertical water-filled rods, which are surrounded by a fuel channel of substantially square cross-section and which are divided, by means of a vertical channel for water of substantially cruciform cross-section, into four sub-bundles. Each fuel rod contains a stack of circular-cylindrical pellets of a nuclear fuel arranged in a cladding tube. Each sub-bundle consists of, in all, twenty-five rods arranged in a lattice containing 5.times.5 rods. The cladding tube of each fuel rod has a wall thickness in the range 0.50 to 0.70 mm and an external diameter in the range 8.5 to 10.3 mm.
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