Open Access

Table 5

Comparison of the performances of oxide, metal and moderated oxide blankets with regards to neutron source.

  Oxide Metal Oxide + MgO Oxide + ZrH2
Assembly initial heavy metal mass 141 153 141 141
Am inventory in blankets 2375 2606 2316 1699
244Cm mass in the blankets at five years (kg) 113.1 110.8 114.3 105.6
Neutron source at five years (1 × 10 n/s) 1.54 1.51 1.56 1.45
Cooling time to reach the level of a standard fuel assembly (years) 25.3 24.9 25.5 26.0
Estimated americium inventory (kg) 15.5 16.7 15.2 11.2

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