Fuel aspects of Beyond Design Basis Event analyses for the Fast Flux Test Facility.

摘要

Analyses of two Beyond Design Basis Events (transient overpower without scram and loss of flow without scram) were performed for four different core designs in the Fast Flux Test Facility using the SASSYS/SAS4A accident analysis computer code. The four core designs used the following fuels: mixed oxide, binary metal, enriched uranium oxide, and mixed nitride. Based on the numerical results for these four different fuels, a qualitative relative safety ranking was made. Nitride fuel gave the best safety performance, followed by enriched uranium oxide, binary metal, and mixed oxide. 7 refs., 6 figs., 4 tabs. (ERA citation 15:036928)