NUCLEAR FUEL ASSEMBLY WITH SEISMIC/LOCA TOLERANCE GRID

A nuclear fuel assembly grid that includes two zones, a protected zone and a crumbled zone. The crumbled zone occupies the periphery of the grid and is designed to experience plastic deformation under high impact loads and the protected zone occupies the interior of the grid where the control rod gu...

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Bibliographische Detailangaben
Hauptverfasser:	LU, Yong (Roger), JIANG, Xiaoyan (Jane)
Format:	Patent
Sprache:	eng ; fre
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:	A nuclear fuel assembly grid that includes two zones, a protected zone and a crumbled zone. The crumbled zone occupies the periphery of the grid and is designed to experience plastic deformation under high impact loads and the protected zone occupies the interior of the grid where the control rod guide thimbles are located and protects all of the control rod guide thimble locations by experiencing only plastic deformation under such loads. Cette invention concerne une grille d'ensemble de combustible nucléaire qui comprend deux zones, une zone protégée et une zone désagrégée. La zone désagrégée occupe la périphérie de la grille et est conçue pour subir une déformation plastique sous des charges d'impact élevées et la zone protégée occupe l'intérieur de la grille où sont disposés les fourreaux de barre de commande et elle protège tous les emplacements de fourreau de barre de commande en ne subissant qu'une déformation plastique sous de telles charges.