Published April 26, 1989
| Version v1
Patent
Nuclear fuel rod
Description
This invention concerns a nuclear fuel rod suitable, particularly to the use for water cooled reactors. Uranium-plutonium mixed oxide fuel pellet of a nuclear fuel rod is constituted with a plurality of regions in which the mixing ratio of plutonium dioxide to uranium dioxide is different. Further, the mixing ratio is made higher in the central portion than in the peripheral portion of the nuclear fuel pellet in adjacent with a fuel can. Since this can increase the ratio of forming 233Pu due to 238U(η, γ)239Pu forming reaction, the degradation ratio of reactivity can be reduced by about 1 %, thereby enabling high burn-up degree. (K.Y.)
Availability note (English)
Available from JAPIO. Also available from INPADOC.Additional details
Publishing Information
- Imprint Pagination
- 8 p.
- IPC:
- Int. Cl. G21C3/62.
- IPC
- Int. Cl. G21C3/62.
- Patent number
- JP patent document 1-110292/A/
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 20085767
- Subject category
- S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
- Resource subtype / Literary indicator
- Non-conventional Literature
- Descriptors DEI
- BURNUP; CONFIGURATION; FUEL PELLETS; MIXED OXIDE FUELS; MIXING RATIO; PLUTONIUM DIOXIDE; REACTIVITY; URANIUM DIOXIDE; WATER COOLED REACTORS
- Descriptors DEC
- ACTINIDE COMPOUNDS; CHALCOGENIDES; ENERGY SOURCES; FUELS; MATERIALS; NUCLEAR FUELS; OXIDES; OXYGEN COMPOUNDS; PLUTONIUM COMPOUNDS; PLUTONIUM OXIDES; REACTOR MATERIALS; REACTORS; SOLID FUELS; TRANSURANIUM COMPOUNDS; URANIUM COMPOUNDS; URANIUM OXIDES
Optional Information
- Secondary number(s)
- JP patent application 62-266399.