GCFR Coupled Neutronic and Thermal-Fluid-Dynamics Analyses for a Core Containing Minor Actinides

Table 1

Core isotopic compositions considered [15]

Isotope	Mass fraction LWR discharge (%)	Mass fraction 5% MAs (%)
U^235	0.2	0.571
U^238	79.811	80.991
Np^237	0.92	0.87
Pu^238	0.46	0.446
Pu^239	9.804	9.251
Pu^240	4.302	4.278
Pu^241	2.281	1.222
Pu^242	1.241	1.206
AM^241	0.56	—
AM^242m	—	0.017
AM^243	0.32	0.81
Cm^242	—	0.001
Cm^243	—	0.002
Cm^244	0.1	0.265
Cm^245	—	0.065
Cm^246	—	0.005