Applications of Serpent 2 Monte Carlo Code to ITER Neutronics Analysis

Turner, Andrew; Burns, Alison; Colling, Bethany; Leppänen, Jaakko

doi:10.1080/15361055.2018.1489660

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Unfolding a Fusion Neutron Spectrum1

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Cited by 9 publications

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“…2 side of the spectrum, leading to excellent accuracy of set C's unfolded spectrum the D-T peak. It is possible that a different choice of group structure will yield an even better selection of foils and lower unfolded D KL values, but group structure optimisation is beyond the scope of this paper, so the analysis above adheres to the VITAMIN-J 175 group structure commonly used in fusion neutronics [5,21,22].…”

Section: Unfolding a Fusion Neutron Spectrummentioning

confidence: 99%

Optimising Foil Selection for Neutron Activation Systems

et al. 2022

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Neutron spectrum unfolding using activation foils is currently the primary technique planned for measuring the neutron energy spectrum at the first wall of power-generating fusion reactors. Room for improvement in the effectiveness of current foil selection was identified, and a program produced to select foils procedurally in order to maximise the accuracy of the unfolding procedure. Using Kullback–Leibler Divergence to quantify the accuracy, the spectrum unfolded by the procedurally selected set of foils is found to be more accurate than the spectrum unfolded by a set of foils used in the literature.

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Section: Unfolding a Fusion Neutron Spectrummentioning

confidence: 99%