Time-Dependent Neutronic Analysis of a Power-Flattened Gas Cooled Accelerator Driven System Fuelled with Thorium, Uranium, Plutonium, and Curium Dioxides TRISO Particles

Table 6

Masses of actinide isotopes [kgHM] at the beginning and at the end of the cycle (Cases 1(a)–1(c)).

Case	1(a)			1(b)			1(c)
Isotopes	BOC	EOC	EOC	BOC	EOC	EOC	BOC	EOC	EOC
^231Th	—	—	—	—	7.448E − 5	1.597E − 4	—	1.680E − 4	2.989E − 4
^232Th	—	—	—	8.015E + 2	8.012E + 2	7.941E + 2	1.519E + 3	1.519E + 3	1.507E + 3
^233Th	—	—	—	—	5.405E − 3	5.611E − 3	—	9.076E − 3	9.442E − 3
^233Pa	—	—	—	—	2.861E − 1	4.904E + 0	—	4.844E − 1	8.354E + 0
^233U	—	—	—	—	4.488E − 3	2.002E + 0	—	7.619E − 3	3.456E + 0
^234U	—	7.634E − 6	8.355E − 4	—	4.174E − 4	2.331E − 1	—	6.433E − 4	3.748E − 1
^235U	3.120E + 2	3.110E + 2	2.807E + 2	4.051E + 2	4.034E + 2	3.663E + 2	4.372E + 2	4.355E + 2	3.978E + 2
^236U	—	2.194E − 1	6.952E + 0	—	3.892E − 1	8.978E + 0	—	3.954E − 1	9.181E + 0
^237U	—	3.845E − 4	5.459E − 2	—	5.932E − 4	6.547E − 2	—	4.674E − 4	6.445E − 2
^238U	3.276E + 3	3.275E + 3	3.252E + 3	2.325E + 3	2.324E + 3	2.304E + 3	1.525E + 3	1.524E + 3	1.509E + 3
^239U	—	2.151E − 2	2.274E − 2	—	1.574E − 2	1.675E − 2	—	1.175E − 2	1.240E − 2
^238Pu	—	—	1.053E − 3	—	—	1.629E − 3	—	—	1.494E − 3
^239Pu	—	6.525E − 2	1.768E + 1	—	1.295E − 1	1.615E + 1	—	9.697E − 2	1.224E + 1
^240Pu	—	7.266E − 4	9.220E − 1	—	1.359E − 3	7.479E − 1	—	9.769E − 4	5.428E − 1
^241Pu	—	—	1.733E − 1	—	—	1.435E − 1	—	—	1.008E − 1
Total	3.588E + 3	3.586E + 3	3.559E + 3	3.532E + 3	3.529E + 3	3.498E + 3	3.481E + 3	3.480E + 3	3.448E + 3

After 0.75 days (). ²After 25 days ().
³After 1.25 days (). ⁴After 30 days ().
⁵After 1.25 days (). ⁶After 30 days ().