Physics Features of TRU-Fueled VHTRs

Table 2

PWR TRU vector (41,200 MWd/MTHM, 3.75% BOL enrichment, 23 years decay).

Element	Nuclide	Decay Heat (W/g)	TRU Composition (atom %)
Np	^237Np	0.00002	6.121
Pu	^238Pu	0.56000	1.986
	^239Pu	0.00200	51.718
	^240Pu	0.00700	21.899
	^241Pu	0.00400	4.104
	^242Pu	0.00010	4.451
Am	^241Am	0.11000	8.250
	^242mAm	—	0.020
	^243Am	0.00700	1.230
Cm	^243Cm	1.70000	0.003
	^244Cm	2.80000	0.194
	^245Cm	—	0.021
	^246Cm	—	0.003
			100.00