AXIALLY SEGREGATED PART-LENGTH FUEL ROD IN REACTOR FUEL ASSEMBLY

PROBLEM TO BE SOLVED: To provide a device and method for arranging fuel rods differed in length in a fuel assembly. SOLUTION: A reactor fuel assembly includes a channel 12 having an inner perimeter wall 24 and a channel longitudinal centerline 40. Both full-length fuel rods 18 and part-length fuel r...

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Hauptverfasser:	FAWCETT RUSSELL M, KUNZ CARY L, TROSMAN LUKAS, FUJIMAKI SHINGO, STACHOWSKI RUSELL E, GOTO DAISUKE
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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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a device and method for arranging fuel rods differed in length in a fuel assembly. SOLUTION: A reactor fuel assembly includes a channel 12 having an inner perimeter wall 24 and a channel longitudinal centerline 40. Both full-length fuel rods 18 and part-length fuel rods 19 are positioned within the channel 12. The part-length rods 19 are separated into two groups. A first group 44 has an intermediate-length fuel rods 20 located immediately adjacent to the inner perimeter wall 24. A second group 46 has short-length fuel rods 22 located approximate the channel longitudinal centerline 40. COPYRIGHT: (C)2006,JPO&NCIPI