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Title: Passive air cooling of liquid metal-cooled reactor with double vessel leak accommodation capability

A passive and inherent shutdown heat removal method with a backup air flow path which allows decay heat removal following a postulated double vessel leak event in a liquid metal-cooled nuclear reactor. The improved reactor design incorporates the following features: (1) isolation capability of the reactor cavity environment in the event that simultaneous leaks develop in both the reactor and containment vessels; (2) a reactor silo liner tank which insulates the concrete silo from the leaked sodium, thereby preserving the silo's structural integrity; and (3) a second, independent air cooling flow path via tubes submerged in the leaked sodium which will maintain shutdown heat removal after the normal flow path has been isolated.
 [1];  [2]
  1. (Los Gatos, CA)
  2. (Saratoga, CA)
Issue Date:
OSTI Identifier:
General Electric Company (San Jose, CA) OAK
Patent Number(s):
US 5406602
Contract Number:
Research Org:
General Electric Co
Country of Publication:
United States
passive; air; cooling; liquid; metal-cooled; reactor; double; vessel; leak; accommodation; capability; inherent; shutdown; heat; removal; method; backup; flow; path; allows; decay; following; postulated; event; nuclear; improved; design; incorporates; features; isolation; cavity; environment; simultaneous; leaks; containment; vessels; silo; liner; tank; insulates; concrete; leaked; sodium; preserving; structural; integrity; independent; via; tubes; submerged; maintain; normal; isolated; reactor design; liquid metal-cooled; reactor cavity; decay heat; containment vessel; nuclear reactor; liquid metal; flow path; air flow; structural integrity; heat removal; cooled nuclear; air cooling; metal-cooled nuclear; cooling flow; containment vessels; inherent shutdown; normal flow; vessel leak; improved reactor; metal-cooled reactor; cooled reactor; double vessel; /376/