Transmutation efficiency

"The journal of Nuclear science and technology - Volume 9/Number 4, 2019" present bubble behavior in liquid-gas two-phase flow behind a cross-shaped obstacle in a vertical circular duct; study on transmutation efficiency of the VVER-1000 fuel assembly with different minor actinide compositions; determination of in situ detection efficiency for IM-NAA of non-standard geometrical samples...

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The comparative analysis was conducted for the two models of minor actinide loading in the LEU fuel assembly: homogeneous mixing in the UGD (Uranium-Gadolinium) pins and coating a thin layer to the UGD pins. The parameters to be analysed and compared include the reactivity of the LEU fuel assembly versus burnup and the transmutation of minor actinide nuclides when loading different minor actinide vectors into the LEU fuel assembly.

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