Multiphysics Modeling and Validation of Spent Fuel Isotopics Using Coupled Neutronics/Thermal-Hydraulics Simulations

Table 2

Calculated/experimental (C/E) ratios for selected fuel isotopics in 2F2D1/F6.

Isotope	Sample 1	Sample 2	Sample 3
U-234	0.978	1.069	1.066
U-235	1.024	0.965	0.904
U-236	1.099	1.060	1.115
U-238	1.001	1.003	1.005
Pu-238	0.655	0.436	0.359
Pu-239	0.848	0.608	0.615
Pu-240	0.872	0.747	0.893
Pu-241	0.753	0.497	0.480
Pu-242	0.889	0.593	0.584
Nd-148	0.907	1.028	1.028
	12.2	23.1	23.8

Last row includes the average relative difference in percent for each sample.