Fuel assembly for boiling water reactor

Details Fuel assembly for boiling water reactor Fuel assembly for boiling water reactor

1983-11-04

1986-05-06

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376419, 376435, 376447, G21C 330

Patent

active

045870900

ABSTRACT:
A fuel assembly for loading in the core of a boiling water reactor comprises a large number of vertically extending fuel rods, some of which contains a burnable poison, where a rod-average uranium enrichment of fuel is higher in the upper region of the fuel assembly than in the lower region and a total content of the burnable poison is lower in the lower region of the fuel assembly than in the upper region and a spectral shift effect of the boiling water reactor is increased while thoroughly maintaining a reactor shutdown margin, and a discharge exposure is increased.

REFERENCES:
patent: 4244784 (1981-01-01), Takeda
patent: 4280874 (1981-07-01), Kawai

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