Criticality validation for burnup credit using recycle Pu criticals Page: 4 of 6
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Table 1: Description and Analyses Results for 23 PUP Critical Experiments
Experiment Case Enrichment Description Lattice ALA k, t std. dev.
U-235 Water/Fuel
(wt %) ._Volume
PUP
UO./PuO. triangular
2.0wt%PuO
8.Owt%Pu-240:
Experiment 1 0.71 0.80-in lattice spacing 1.211 18.0 0.9901 0.0010
Experiment 2 0.71 0.93-in lattice spacing 1.987 18.6 0.9934 0.0011
Experiment 3 0.71 1.05-in lattice spacing 2.808 18.9 0.9916 0.0011
Experiment4 0.71 1.143-in lattice spacing 3.513 19.1 0.9978 0.0011
Experiment 5 0.71 1.32-in lattice spacing 5.019 19.3 1.0019 0.0010
Experiment 6 0.71 1.386-in lattice spacine 5.635 19.3 0.9949-0.0010
PUP
UO/PuO triangular
2.0wtPuO.
16.Owt%Pu-240:
Experiment 7 0.71 ' 0.93-in lattice spacing 1.987 18.5 0.9998 0.0010
Experiment 8 0.71 1.06-in lattice spacing 2.808 18.9 0.9934 0.0010
Experiment 9 0.71 1.143-in lattice spacing 3.513 19.0 0.9979 0.0009
Experiment 10 0.71 1.32-in lattice spacine 5.019 19.2 0.9999 0.0009
PUP
UQIPuO2 triangular
2.0wt%PuO:
24.OwtPu-240:
Experiment 11 0.71 0.80-in lattice spacing 1.211 17.7 0.990910.0010
Experiment 12 0.71 0.93-in lattice spacing 1.987 18.5 '0.9950 0.0010
Experiment 13 0.71 1.05-in lanice spacing 2.808 18.8 0.9962 0.0010
Experiment 14 0.71 1.143-in lanice spacing 3.513 19.0 1.0015 0.0010
Experiment 15 0.71 1.32-in lattice spacing 5.019 19.2 1.0021 0.0009
Experiment 16 0.71 1.386-in lattice spacing 5.635 19.3 1.0006 0.0009
PUP
UO-/PuO: triangular
4.0wt%PuO.:
Experiment 17 0.71 0.85-in lattice spacing 1.500 18.0 0.9955 0.0011
Experiment 18 0.71 0.93-in lattice spacing 1.993 18.4 0.9950 0.0011
Experiment 19 0.71 1.05-in lanice spacing 2.815 18.8 1.0043 0.0011
Experiment 20 0.71 1.143-in lattice spacing 3.521 18.9 1.0023 0.0011
Experiment 21 0.71 1.386-in lattice spacing 5.647 19.2 1.0074 0.0010
Experiment 22 0.71 1.60-in lattice spacing 7.859 19.4 1.0045 0.0009
Experiment 23 0.71 1.70-in lattice spacing 9.000 19.4 1.0084 0.0009
Total Number of Exaeriments =23
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Fuentes, E. & Lancaster, D. Criticality validation for burnup credit using recycle Pu criticals, article, April 1, 1997; Fairfax, Virginia. (https://digital.library.unt.edu/ark:/67531/metadc674499/m1/4/: accessed March 28, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.