Use of boron or enriched boron 10 in uo2
AssigneeWestinghouse Electric Corp.
InventorsEdward Lahoda, Lars Hallstadius
Life of this patent
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Abstract
The present invention provides a nuclear fuel assembly, where a boron-containing compound is used as a burnable poison and is distributed in a majority of the rods in the assembly. The assembly comprises a plurality of fuel rods, each fuel rod containing a plurality of nuclear fuel pellets, wherein at least one fuel pellet in more than 50% of the fuel rods in the fuel assembly comprises a sintered admixture of a metal oxide, metal carbide or metal nitride and a boron-containing compound.
Claims19
A fuel assembly comprising a plurality of fuel rods, each fuel rod containing a plurality of nuclear fuel pellets not requiring coatings, wherein at least one fuel pellet in more than 50% of said fuel rods in said fuel assembly comprises a sintered admixture consisting of UO2 and ZrB2.
(canceled)
(canceled)
A boiling water reactor having a fuel assembly, the fuel assembly comprising a plurality of fuel rods, each fuel rod containing a plurality of nuclear fuel pellets not requiring coatings, wherein at least one fuel pellet in more than 50% of said fuel rods in said fuel assembly comprises a sintered admixture consisting of UO2 and ZrB2.
Dependencies are inferred from the claim text.