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Sensitivity analysis of rod rearrangement in criticality safety for PWR fuel assemblies under transportation accidents

Xinling Dai, De-chang Cai, Yan-min Zhang, Jin Cai, Cai De-chang
2025-07-27 ChinaXiv: chinaxiv-202508.00044 Original EN

To ensure the safe transportation of radioactive materials, numerous countries have established specific stan dards. For the transfer of fissile materials, it is imperative that the material within the packaging remains in a subcritical state during routine, normal, and accidental transport conditio…