OPERATING METHOD OF CORE FOR FAST REACTOR

OPERATING METHOD OF CORE FOR FAST REACTOR

PURPOSE:To make power uniform with one kind of enrichment degree fuel, though several kinds of enrichment degree are needed for the uniforming of a power distribution. CONSTITUTION:A fuel assembly where minor actinides are added 20 to 30% at weight ratio in uranium-plutonium mixed fuel for a fast re...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: IIDA MASAAKI, KAMEI TAKANOBU
Format: Patent
Sprache:eng
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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Beschreibung
Zusammenfassung:PURPOSE:To make power uniform with one kind of enrichment degree fuel, though several kinds of enrichment degree are needed for the uniforming of a power distribution. CONSTITUTION:A fuel assembly where minor actinides are added 20 to 30% at weight ratio in uranium-plutonium mixed fuel for a fast reactor is loaded in and around the center of a core. The assembly is in order moved from the center side of the core to a peripheral direction in a fuel replacing time. The fuel is converted into a nuclide whose fission cross section is larger, by irradiation, and the uniforming of a power distribution is attained with one kind of fuel assembly.