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AbstractAbstract
[en] The calculated-experimental analysis of the WWER fuel behavior with 5%wt of gadolinium oxide at the beginning of life (BOL) is presented. The results are based on the data on fuel centerline temperature measurements, gas media pressure inside the cladding and fuel elongation obtained during irradiation of the test fuel rods in HBWR (Halden). Computer analysis of experimental data is performed with TOPRA-2, version 2 code. It is shown that specific features of the uranium-gadolinium fuel behavior at the early of life is due to presence of burnable absorber influencing the average linear heat rating, radial power distribution and lower thermal conductivity. In particular, the analysis of “late” relocation effect on the maximum Gd fuel temperature is presented. (authors)
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Source
2013; 11 p; 10. International conference on WWER fuel performance, modelling and experimental support; Sandanski (Bulgaria); 7-14 Sep 2013; 10 figs., 11 refs.
Record Type
Miscellaneous
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Conference
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ACTINIDES, CHALCOGENIDES, DEFORMATION, DEPOSITION, ELEMENTS, ENERGY, ENERGY SOURCES, ENRICHED URANIUM REACTORS, FUEL ELEMENTS, FUELS, GADOLINIUM COMPOUNDS, MATERIALS, METALS, OXIDES, OXYGEN COMPOUNDS, PHYSICAL PROPERTIES, POWER REACTORS, PWR TYPE REACTORS, RARE EARTH COMPOUNDS, RARE EARTHS, REACTOR COMPONENTS, REACTOR MATERIALS, REACTORS, SURFACE COATING, THERMAL REACTORS, THERMODYNAMIC PROPERTIES, WATER COOLED REACTORS, WATER MODERATED REACTORS
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