Part length fuel rod extension

Details Part length fuel rod extension Part length fuel rod extension

1997-05-07

1999-01-12

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376444, G21C 3322

Patent

active

058598880

ABSTRACT:
In a fuel bundle for a boiling water nuclear reactor comprising a plurality of fuel rods secured within an array and extending between upper and lower tie plates, and including at least one additional fuel rod extending from the lower tie plate but terminating short of the upper tie plate, an improvement wherein a removable extension rod secured to the at least one additional fuel rod and extending substantially to the upper tie plate. The removable extension rod is in the form of a hollow tube having a plurality of openings therein and an internal flow path over an axial portion of the hollow tube, the flow path serving to cause coolant in the hollow tube to be deposited on adjacent fuel rods.

REFERENCES:
patent: 4089742 (1978-05-01), Amaral et al.
patent: 5017332 (1991-05-01), Dix et al.
patent: 5091146 (1992-02-01), Dix
patent: 5112570 (1992-05-01), Dix et al.
patent: 5416812 (1995-05-01), Matzner
patent: 5491733 (1996-02-01), Patterson et al.
patent: 5598450 (1997-01-01), Proebstle et al.
patent: 5668728 (1997-09-01), Dix et al.

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