Reactor with natural convection backup cooling system

Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Auxiliary heat removal structure

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376282, 376299, G21C 1518

Patent

active

047598999

ABSTRACT:
A nuclear reactor includes a core submerged in a pool of liquid. Under normal conditions, coolant flows through the core without intermixing with the liquid in the pool. In the event of failure of the primary coolant circulation system, liquid from the pool flows through openings in the primary circulation system so as to cool the core by natural convection. Flow through the openings during normal operating conditions may be controlled regardless of the flow rate.

REFERENCES:
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patent: 3276965 (1966-10-01), Leyse
patent: 3285824 (1966-11-01), Ageron
patent: 3350277 (1967-10-01), Costes
patent: 3766007 (1973-10-01), Rolstad et al.
patent: 4033814 (1977-07-01), Bregeon et al.
patent: 4138318 (1979-02-01), Speelman
patent: 4363780 (1982-12-01), Hannerz
patent: 4367194 (1984-01-01), Schenewerk et al.
patent: 4526742 (1985-07-01), Hannerz
Hannerz, Towards Intrinsically Safe Light Water Reactors, Jul. 1983, pp. 5-11, 22-26.

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