초록 ▼

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 to

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.

대표청구항 ▼

A fuel assembly for loading in the core of a boiling water reactor, said fuel assembly comprising a large number of vertically extended fuel rods, some of said fuel rods containing a burnable poison, a rod-average uranium enrichment of fuel being higher in an upper region of the fuel assembly in the

A fuel assembly for loading in the core of a boiling water reactor, said fuel assembly comprising a large number of vertically extended fuel rods, some of said fuel rods containing a burnable poison, a rod-average uranium enrichment of fuel being higher in an upper region of the fuel assembly in the vertical direction than in a lower region of the fuel assembly in the vertical direction and a total content of the burnable poison being lower in the lower region of the fuel assembly than in the upper region thereof.