Fuel assembly and spacer for a boiling reactor

Details Fuel assembly and spacer for a boiling reactor Fuel assembly and spacer for a boiling reactor

1994-09-12

1996-06-25

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376438, 376443, 376441, 376454, G21C 334

Patent

active

055307299

ABSTRACT:
A fuel assembly and a spacer for a boiling reactor comprises an elongated fuel channel which is connected to a coolant intended to flow therethrough. In the fuel channel there is arranged a bundle of also elongated fuel rods retained by a plurality of spacers. The spacers have an external spacer frame which is provided all around with a plurality of openings. There is arranged, at the inside of the spacer frame, an edge which is obliquely positioned in relation to the longitudinal direction of the fuel assembly and which extends in an inclined manner in a direction downstream of the spacer and toward the corner of the spacer to deflect coolant to the fuel rods arranged at these corners.

REFERENCES:
patent: 4666663 (1987-05-01), Steinke
patent: 4683115 (1987-07-01), Fromel et al.
patent: 4728490 (1988-03-01), Taleyarkhan
patent: 4957697 (1990-09-01), Wada
patent: 5089220 (1992-02-01), Nylund
patent: 5096660 (1992-03-01), Hembjer et al.
patent: 5278883 (1994-01-01), Patterson et al.
patent: 5404383 (1995-04-01), Nylund

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