UO2 (5% enriched)

UO₂

Fuels

Density: 10.97 g/cm³

Uranium dioxide at 5 wt% U-235 enrichment. Maximum enrichment for standard commercial fuel under current NRC licensing.

Composition

Nuclide / Element	Fraction
U-235	0.016667
U-238	0.316666
O-16	0.666667

Code output

MCNP

c UO2 (5 wt% U-235 enriched)
c Density: 10.97 g/cm3 (use -10.97 on cell card)
m3    92235.80c  0.016667  $ U-235
      92238.80c  0.316666  $ U-238
       8016.80c  0.666667  $ O-16

Notes

Theoretical density. Adjust for pellet porosity (typically 94–96% TD).

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