1976•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Requires access
Nuclear reactor coolant and cover gas system. [LMFBR]
Jeffrey A. George, A.H. Redding, S.N. Tower
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Abstract
A core cooling system is disclosed for a nuclear reactor of the type utilizing a liquid coolant with a cover gas above free surfaces of the coolant. The disclosed system provides for a large inventory of reactor coolant and a balanced low pressure cover gas arrangement. A flow restricting device disposed within a reactor vessel achieves a pressure of the cover gas in the reactor vessel lower than the pressure of the reactor coolant in the vessel. The low gas pressure is maintained over all free surfaces of the coolant in the cooling system including a coolant reservoir tank. Reactor coolant stored in the reservoir tank allows for the large reactor coolant inventory provided by the invention.