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Nuclear Analysis of the HCLL "Advanced-Plus" Breeding Blanket with Single Module Segment Structure

Abstract : This paper presents the nuclear analysis carried out with the TRIPOLI-4$^R$ 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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Jean-Charles Jaboulay, Giacomo Aiello, Julien Aubert, Rémi Boullon. Nuclear Analysis of the HCLL "Advanced-Plus" Breeding Blanket with Single Module Segment Structure. Fusion Engineering and Design, Elsevier, 2018, 146 (Part A), pp.162-167. ⟨cea-02339714⟩

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