WATER ROD FOR BOILING WATER NUCLEAR REACTOR FUEL ASSEMBLY AND METHOD FOR IMPROVING WATER FLOW THROUGH THE ASSEMBLY

PROBLEM TO BE SOLVED: To provide a water rod for boiling water nuclear reactor fuel assembly and method for improving water flow through the assembly. SOLUTION: A nuclear reactor fuel bundle assembly has been developed that includes: a fuel bundle (10, 40) including an array of fuel rods (12) attach...

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Hauptverfasser:	DE FILIPPIS MICHAEL S, MAKOVICKA MASON D, ELKINS ROBERT B
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 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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a water rod for boiling water nuclear reactor fuel assembly and method for improving water flow through the assembly. SOLUTION: A nuclear reactor fuel bundle assembly has been developed that includes: a fuel bundle (10, 40) including an array of fuel rods (12) attached to a lower tie plate (16), an upper tie plate (14) and housed in walls of a channel (20), and a water rod (19, 42, 44, 62, 64, 66, 68, 70), having an upper discharge end (32, 50) below and unattached to the upper tie plate, wherein the upper discharge end is below an enriched section of at least one of the fuel rods. COPYRIGHT: (C)2009,JPO&INPIT