Nuclear reactor

Details Nuclear reactor Nuclear reactor

1994-07-07

1996-04-30

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Orifice or fluid control at inlet or outlet of coolant channels

G21C 1500, G21C 3322

Patent

active

055132332

ABSTRACT:
Improved operability and economy of a nuclear reactor can be obtained by attaining a mixing of the flows of coolant in the lower plenum of the fuel assemblies of the nuclear reactor, a high flow stability of the two-phase flow in the fuel assemblies and a small pressure loss in the core. To achieve this, there is provided a coolant guide tube 60 that communicates with the inside of the fuel support piece 12 inserted in the control rod guide tube and the passage 16, wherein there is formed a coolant guide passage 61 along which coolant descends in the area outside of the coolant guide tube in the fuel assemblies from opening 79. The coolant guide passage along which the coolant descends from the opening is formed in an area outside of the coolant guide tube in the fuel support piece.

REFERENCES:
patent: 3873419 (1975-03-01), Sletten
patent: 4654194 (1987-03-01), Christiansen et al.
patent: 4826653 (1989-05-01), Nylund et al.

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