Utilizing neutronics modelling to predict changing Pu ratios in UO2 in the presence of Th
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
Fersiynau electronig
Dogfennau
- manuscript-accepted
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Dangosydd eitem ddigidol (DOI)
The isotopic fractions of plutonium produced in a reactor are of significant value as nuclear forensic signatures, and the mechanisms of their production and alteration should be investigated thoroughly. A series of neutronics calculations were made on a typical UO2 PWR setup, introducing (Th, U)O2 MOX rods gradually, to investigate how the presence of Th affects the 240Pu/239Pu and 242Pu/239Pu ratios in the remaining UO2 fuel rods. A relationship is found that links the percentage change in these ratios, with the burnup and Th content in the configuration. In an extreme case, it was found that the presence of Th may increase the ratio of 242Pu/239Pu by as much as 3.5% at low burnup.
| Iaith wreiddiol | Saesneg |
|---|---|
| Rhif yr erthygl | 103762 |
| Cyfnodolyn | Progress in Nuclear Energy |
| Cyfrol | 137 |
| Dyddiad ar-lein cynnar | 2 Mai 2021 |
| Dynodwyr Gwrthrych Digidol (DOIs) | |
| Statws | Cyhoeddwyd - 1 Gorff 2021 |
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