Abstract
This paper presents the nuclear analysis carried out with the TRIPOLI-4® Monte-Carlo code for the Helium Cooled Lithium Lead (HCLL) “Advanced-Plus” breeding blanket design using the Single Module Segment (SMS) option in the European DEMO 2017 baseline. Compared to the previous one, this baseline is characterized by a radial outboard breeding blanket thickness reduction of 30 cm. Previous study has quantified its impact on Tritium Breeding Ratio (TBR reduction up to -0.08). This major constraint lead to the need of SMS solution development with HCLL “Advanced-Plus” design to reduce the amount of steel in the breeding blanket for TBR improvement. HCLL “Advanced-Plus” design is currently developed with the aim to improve the TBR. The main nuclear quantities: neutron wall loading, TBR, nuclear heating, neutron flux, displacement damage and helium production are reported and discussed.
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