A simple model for the release of fission gas from UN fuel is presented where the matrix concentration is primarily determined by the partition of the gas to intragranular fission gas bubbles. The model assumes that the effect of fission gas re‐solution in nitride fuel can be neglected. In turn, the model predicts a leveling in the release fraction at intermediate burnup as the incremental gas produced is almost entirely ‘‘gettered’’ by intragranular bubbles.
A model for fission gas release from UN fuel
Proceedings of the tenth symposium on space nuclear power and propulsion ; 1993 ; Albuquerque, New Mexico (USA)
AIP Conference Proceedings ; 271 , 1 ; 251-258
10.01.1993
8 pages
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
A Model for Fission Gas Release from UN Fuel
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