| 摘要 |
PCT No. PCT/SE97/01030 Sec. 371 Date Feb. 4, 1999 Sec. 102(e) Date Feb. 4, 1999 PCT Filed Jun. 12, 1997 PCT Pub. No. WO97/49091 PCT Pub. Date Dec. 24, 1997The present invention relates to a fuel assembly with a substantially square cross section for a light-water reactor. The light-water reactor comprises a plurality of fuel rods extending between a top tie plate and a bottom tie plate. A fuel rod comprises a cladding tube which surrounds a column with fissionable material. According to one aspect of the invention, at least one fuel rod is provided with an axial gap in the fissionable material. Around this axial gap, the mass of the material is greater than the mass of the material in the main part of the cladding tube. |
