Removable separation devices for nuclear fuel bundles

Details Removable separation devices for nuclear fuel bundles Removable separation devices for nuclear fuel bundles

1998-11-09

2000-11-14

Jordan, Charles T.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376435, 376439, 376443, 376462, G21C 3322

Patent

active

061480541

ABSTRACT:
A support rod 14 carrying one or more separation devices 12, e.g., swirlers, is releasably secured in a fuel bundle. The support rod and separation devices are sized to pass through openings in the spacers S otherwise containing full length fuel rods. The lower end of the support rod is releasably connected to the upper end of a part-length fuel rod PLR which in turn is releasably connected to the lower tie plate. The support rod, separation devices and part-length rod may be installed and removed relative to the fuel bundle as an integral assembly with the part-length rod and separation devices passing through the openings in the spacers. When installed, the separation devices lie above upper spacers in the vent volumes to flow liquid on and into the interstices of the surrounding fuel rods.

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