Boiling water reactor core and fuel assemblies therefor

Details Boiling water reactor core and fuel assemblies therefor Boiling water reactor core and fuel assemblies therefor

2008-03-25

2008-03-25

Palabrica, Ricardo J. (Department: 3663)

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

C376S426000, C376S443000, C376S444000, C376S370000

Reexamination Certificate

active

07349518

ABSTRACT:
A ratio of the number of fuel assemblies loaded on a core to the number of control rod drive mechanisms is 3 or more. The fuel assembly itself contains mixed oxides of a low enrichment concentration uranium oxide containing 3 to 8 wt % in the average enrichment concentration of the fuel assembly, or mixed oxidecontaining not less than 2 wt %, but less than 6 wt % in the average enrichment concentration of fissile plutonium of. In the burner type BWR core on which the fuel assemblies are loaded, an average weight density of uranium, plutonium and minor actinides is 2.1 to 3.4 kg/L as a conversion at the value of unburned state.

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