Proceedings of the Korean Nuclear Society Conference (한국원자력학회:학술대회논문집)
- 1998.05b
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- Pages.279-284
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- 1998
Threshold burnup for recrystallization and model for rim porosity in the high burnup $UO_2$ fuel
- Lee, Byung-Ho (Korea Atomic Energy Research Institute) ;
- Koo, Yang-Hyun (Korea Atomic Energy Research Institute) ;
- Sohn, Dong-Seong (Korea Atomic Energy Research Institute)
- Published : 1998.05.01
Abstract
Applicability of the threshold burnup for rim formation was investigated as a function of temperature by Rest's model. The threshold burnup was the lowest in the intermediate temperature region, while on the other temperature regions the threshold burnup is higher. The rim porosity was predicted by the van der Waals equation based of the rim pore radius of 0.75
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