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Preliminary Neutronics Study of an Accelerator-Driven Molten Spallation Target–Molten Lithium Source of Tritium
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SYSNO ASEP 0570332 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Preliminary Neutronics Study of an Accelerator-Driven Molten Spallation Target–Molten Lithium Source of Tritium Author(s) Cihlář, M. (CZ)
Entler, Slavomír (UFP-V) ORCID
Czakoj, T. (CZ)
Dostál, V. (CZ)
Prehradný, J. (CZ)
Zácha, P. (CZ)Number of authors 6 Source Title Fusion Science and Technology. - : Taylor & Francis - ISSN 1536-1055
Roč. 79, č. 2 (2022), s. 104-116Number of pages 13 s. Language eng - English Country US - United States Keywords accelerator production of tritium ; fusion reactor ; molten target ; tritium production ; Tritium supply Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects EF16_019/0000778 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support UFP-V - RVO:61389021 UT WOS 000901504700001 EID SCOPUS 85144481590 DOI 10.1080/15361055.2022.2120301 Annotation Current tritium production might not be enough for all future fusion research reactors. Different approaches for tritium production have been studied in the past, one of which was tritium production using the accelerator-driven subcritical systems. This idea was dismissed in the 1990s as uneconomical when compared to using existing commercial light water reactors. This paper presents changes to the basic idea, mainly the use of a molten spallation target and molten lithium breeding volume. This advanced design is described, optimized for tritium yield using the MCNP 6.2.0 code, and compared between different accelerators. The optimized configuration consists of a 1-GeV, 200-mA proton accelerator, a molten Pb-Bi eutectic spallation target with a length of 60 cm and a diameter of 75 cm, and molten lithium breeding volume with dimensions of 500 cm in length and 900 cm in diameter. As calculated, the annual production of the proposed accelerator-driven tritium production system could be as high as 350 g of tritium with the optimized configuration. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2023 Electronic address https://www.tandfonline.com/doi/abs/10.1080/15361055.2022.2120301?journalCode=ufst20
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