CORE OF NUCLEAR REACTOR

CORE OF NUCLEAR REACTOR

PROBLEM TO BE SOLVED: To provide a fuel assembly allowing control of an excess reactivity according to wide fluctuation of the operation cycle length with assuring the excess reactivity in the early stage of a cycle. SOLUTION: In the core of a nuclear reactor loaded with a nuclear reactor fuel assem...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KANEKO HIROHISA, FUJIMAKI SHINGO, YAMANAKA AKIHIRO
Format: Patent
Sprache:eng
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a fuel assembly allowing control of an excess reactivity according to wide fluctuation of the operation cycle length with assuring the excess reactivity in the early stage of a cycle. SOLUTION: In the core of a nuclear reactor loaded with a nuclear reactor fuel assembly constituted by bundling a fuel rod loaded with a fissile material and a burnable poison containing fuel rod loaded with a fissile material to which a burnable poison is added, a fuel assembly group 1, a fuel assembly group 2, ..., and a fuel assembly group n (n≥3) individually containing different numbers of the burnable poison containing fuel rods according to types of the fuel assembly groups are provided. COPYRIGHT: (C)2009,JPO&INPIT