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Table 1

Data for the simulated fuel pins. Predicted FGR fraction refers to the value predicted by GERMINAL V2. Both this parameter and burnup are taken at the peak power node.

Name of Maximum Predicted FGR Initial ratio
Phénix experiment burnup [%FIMA] fraction O/M Pu/M
Hadix-1 3.8 0.60 1.986 0.1979
Boitix-1 7.0 0.75 1.978 0.1945
Coucou-1 9.0 0.71 1.987 0.2022
Sphinx-1 11.2 0.82 1.983 0.2068
Nestor-3 13.4 0.90 1.975 0.2246

O-Oxygen, Pu-Plutonium, M-Metal, FGR-Fission Gas Release