Fuel assembly for a boiling reactor

Details Fuel assembly for a boiling reactor Fuel assembly for a boiling reactor

1990-10-31

1992-01-14

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376439, 376444, 376448, G21C 332

Patent

active

050808583

ABSTRACT:
The invention relates to a fuel assembly in the form of an elongated channel having several corners. The channel is connected to a coolant intended to flow through the channel. A bundle of similarly elongated fuel rods, retained by a plurality of spacers (8), is arranged in the channel. The spacer (8) comprises a number of cells surrounded by an outer frame which is formed from a band placed on edge. According to the invention, the band is extended on the upstream side of the spacer (8) by a skirt (12), in which openings (13) are provided. In certain of these openings deflection fins (14) have been arranged in order to deflect coolant, flowing along the assembly wall (6), in a direction towards the center of the respective spacer (8).

REFERENCES:
patent: 3809609 (1974-05-01), Krawiec et al.
patent: 4388269 (1983-06-01), Larson
patent: 4765949 (1988-08-01), Denizou et al.
patent: 4775509 (1988-10-01), Noailly et al.
patent: 4933138 (1990-06-01), Mouesca et al.

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