Improvements in or relating to boiling liquid nuclear reactors

1,022,947. Cooling reactors. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. Sept. 29, 1964 [Oct. 4, 1963], No. 39629/64. Heading G6C. In a boiling water reactor, the coolant is forced to circulate upwards through the vertical fuel elements. Deflectors in the coolant strea...

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Hauptverfasser:	MARCHAL RAYMOND HIPPOLYTE FIRMIN, FOURE CLAUDE DESIRE
Format:	Patent
Sprache:	eng
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR POWER PLANT NUCLEAR REACTORS PHYSICS REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Zusammenfassung:	1,022,947. Cooling reactors. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. Sept. 29, 1964 [Oct. 4, 1963], No. 39629/64. Heading G6C. In a boiling water reactor, the coolant is forced to circulate upwards through the vertical fuel elements. Deflectors in the coolant stream, between the fuel elements, induce helical flow lines in the coolant flow. The circulation velocity is adjusted so as to produce a lateral centrifugal acceleration in the coolant greater than a selected value. The arrangement is suitable for marine reactors which are subjected to changing accelerations which would otherwise tend to disturb the coolant distribution in the core region. In the embodiment described the deflectors are formed of helically twisted strips, the pitch of the twist being a function of the coolant velocity.