Use of UO/sub 2/-Gd/sub 2/O/sub 3/ in very low leakage, extended burnup fuel cycles
Conference
·
· Trans. Am. Nucl. Soc.; (United States)
OSTI ID:5549816
The US Department of Energy, Duke Power Company, and Babcock and Wilcox Company are participating in an extended burnup program for pressurized water reactors. Under this program, an advanced fuel assembly has been designed and is being tested for batch-average discharge burnups >50,000 MWd/MTU. One feature of this advanced fuel assembly that improves its economic potential is the use of UO/sub 2/-Gd/sub 2/O/sub 3/ (urania-gadolinia) as a fuel burnable absorber mixture. Previous milestones in the gadolinia development of the extended burnup program include: development and verification of a neutronics model, measurement of materials properties of gadolinia fuel, and successful irradiation of gasolinia lead test assemblies (LTAs) for the first one-and-a-half cycles of a planned four-cycle residence. Another phase of the gadolinia development effort is a study of full-batch implementation of gadolinia in very low leakage, extended burnup fuel cycles. This paper presents results from this phase. Gadolinia has been shown to be a feasible alternative to B/sub 4/C LBP clusters in very low leakage extended burnup fuel cycles.
- Research Organization:
- Babcock and Wilcox Co.
- OSTI ID:
- 5549816
- Report Number(s):
- CONF-851115-
- Conference Information:
- Journal Name: Trans. Am. Nucl. Soc.; (United States) Journal Volume: 50
- Country of Publication:
- United States
- Language:
- English
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21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200* -- Power Reactors
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Light-Water Moderated
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OXIDES
OXYGEN COMPOUNDS
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ACTINIDE COMPOUNDS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
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EVEN-ODD NUCLEI
FUEL ASSEMBLIES
FUEL MANAGEMENT
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
HEAVY NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MINUTES LIVING RADIOISOTOPES
NATIONAL ORGANIZATIONS
NEUTRON ABSORBERS
NUCLEI
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
PWR TYPE REACTORS
RADIOISOTOPES
RARE EARTH COMPOUNDS
REACTORS
URANIUM 235
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM ISOTOPES
URANIUM OXIDES
US DOE
US ORGANIZATIONS
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WATER MODERATED REACTORS
YEARS LIVING RADIOISOTOPES