BURNUP SENSITIVITY CALCULATIONS WITH CBZ FOR LIGHT WATER REACTOR ASSEMBLY PROBLEMS

Sensitivities of k ∞ and nuclides number densities during nuclear fuel burnup with respect to nuclear data are calculated with a reactor physics code system CBZ. Sensitivity calculations are carried out with the depletion perturbation theory applicable to nuclear fuel assemblies including burnable a...

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Bibliographic Details
Published in:EPJ Web of conferences 2021-01, Vol.247, p.15013
Main Author: Chiba, Go
Format: Article
Language:English
Subjects:
depletion perturbation theory
fuel assembly
predictor-corrector method
sensitivity
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Summary:Sensitivities of k ∞ and nuclides number densities during nuclear fuel burnup with respect to nuclear data are calculated with a reactor physics code system CBZ. Sensitivity calculations are carried out with the depletion perturbation theory applicable to nuclear fuel assemblies including burnable absorbers. Numerical results are presented both for BWR and PWR assemblies, and those demonstrate usefulness and effectiveness of burnup sensitivity calculation capabilities for LWR fuel assemblies.
ISSN:2100-014X
2100-014X
DOI:10.1051/epjconf/202124715013