A fuel assembly for a nuclear reactor
AssigneeThor Energy AS
InventorsKlara Insulander Björk, Sture Helmersson
Life of this patent
Estimating the term…
Abstract
A fuel assembly for a nuclear reactor includes a bundle of fuel rods with a first group of fuel rods and a second group of fuel rods. Each fuel rod includes a cladding tube and stack of fuel pellets enclosed within the cladding tube. At least a main portion of the fuel stack includes a fissile nuclear material comprising Plutonium and Thorium, and is arranged with an axial hole. Said main portion of the fuel stack of each fuel rod of the first group includes a first axial hole constituting a first volume and said main portion of the fuel stack of each fuel rod of the second group includes a second axial hole constituting a second volume. The first volume and the second volume are different.
Claims16
1-15. (canceled)
A fuel assembly for a nuclear reactor, the fuel assembly comprising:
- a bundle of fuel rods arranged so that the fuel rods are spaced apart and extend parallel with each other, and which bundle comprises a first group of fuel rods and a second group of fuel rods, wherein each fuel rod comprises a cladding tube and a fuel stack comprising fuel pellets enclosed within the cladding tube, wherein at least a main portion of the fuel stack comprises a fissile nuclear material comprising Plutonium and Thorium, wherein said main portion of the fuel stack mainly comprises Thorium, wherein the Thorium is mainly constituted of Thorium-232 and wherein said main portion of the fuel stack of the fuel rods comprises an axial hole extending along a longitudinal axis of the fuel rod, wherein said main portion of the fuel stack of each fuel rod of said first group of fuel rods comprises a first axial hole in the fuel pellets constituting a first volume and said main portion of the fuel stack of each fuel rod of said second group fuel rods comprises a second axial hole in the fuel pellets constituting a second volume, wherein the first volume and the second volume are different.
Dependencies are inferred from the claim text.