Emergency reactor core cooling structure

Details Emergency reactor core cooling structure Emergency reactor core cooling structure

1987-02-26

1989-04-18

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Emergency core coolant systems

G21C 1502

Patent

active

048225576

ABSTRACT:
An emergency reactor core cooling structure comprises a flow passage provided on an upper core plate so as to extend downward therefrom into the core. The flow passage has an orifice member at a lower portion thereof. The orifice member has such a portion that the cross-sectional area of the flow passage is made minimal at the orifice member. The flow passage causes the cooling water held on the upper plate by vapor flowing up on an accident to flow down therethrough, whereby the core is cooled rapidly.

REFERENCES:
patent: 3357891 (1967-12-01), Wadmark
patent: 3816245 (1974-06-01), Bevilacqua
patent: 3976834 (1976-08-01), Bevilacqua
patent: 3977940 (1976-08-01), Frisch et al.

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