Energy dissipating outer strip for grid

Details Energy dissipating outer strip for grid Energy dissipating outer strip for grid

1992-06-29

1994-04-26

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376439, 376448, G21C 334

Patent

active

053073924

ABSTRACT:
The grids (14) of a nuclear fuel assembly (10) include an outer strip, or perimeter plate (100), having outwardly projecting formations (104,106) spaced from the side edges (110) of the internal grid strips (108), for resiliently absorbing lateral forces before such forces are transferred directly to the internal strips. The load dissipating feature of the present invention can be enhanced by providing orifices (552) in the substantially flat, central region (502) of each perimeter plate. This produces an hydraulic damping effect that can be pre-established by selecting the orifice sizes for a given set of impact load conditions.

REFERENCES:
patent: 3751335 (1973-08-01), Keith
patent: 4544522 (1985-10-01), Curulla et al.
patent: 4740350 (1988-04-01), Taleyarkhan
patent: 4765949 (1988-08-01), Denizou et al.
patent: 4897241 (1990-01-01), Anthony
patent: 5089220 (1992-02-01), Nylund
patent: 5104609 (1992-04-01), Okuyama et al.

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