Mixing grid with fins for nuclear fuel assembly

Details Mixing grid with fins for nuclear fuel assembly Mixing grid with fins for nuclear fuel assembly

1989-06-29

1990-11-13

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376443, G21C 334

Patent

active

049700480

ABSTRACT:
A grid for a nuclear fuel assembly comprises a common frame having an axis and a plurality of beds of plates distributed along the axis. Each bed has a plurality of plates which are mutually parallel and are directed transversely to the plates of the adjacent beds. All plates are secured to the common frame. The plates having a same direction are distributed between a plurality of said beds interleaved with other ones of said beds consisting of plates having another direction, and the plates of the beds placed in an upstream portion of the grid have fins oriented so as to deflect coolant inwardly whereas the plates placed in a downstream portion of the grid have fins oriented so as to deflect the flow coolant outwardly.

REFERENCES:
patent: 4726926 (1988-02-01), Patterson
patent: 4758403 (1988-07-01), Noailly
patent: 4775509 (1988-10-01), Noailly
patent: 4844861 (1989-07-01), Leclercq

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