Neutronics Experiment on a Water Cooled Ceramic Breeder Blanket Mockup using D-T Neutrons

Such validation can be achieved by integrating high-fidelity numerical simulations and experimental validation—the latter being of paramount importance. In this study, dedicated neutronic experiments was conducted using a 14 MeV D-T neutron source on a mockup of the Water Cooled Ceramic Breeder (WCCB) Blanket for the China Fusion Engineering Test Reactor (CFETR).

These experiments provided experimental validation for the calculated tritium production rate (TPR) and neutron spectral index for the WCCB blanket concept and an assessment of discrepancies across different nuclear data libraries. This paper presents a detailed description of the WCCB experiment, including measurements of the (TPR) and the activation rates of Al, In, and Nb have (used as neutron spectral indices), with associated uncertainties of 5.02% and 4.7~5.0%, respectively.