Preliminary Neutronics Study of an Accelerator-Driven Molten Spallation Target-Molten Lithium Source of Tritium

被引：0
|
作者：
Cihlar, Michal [1 ,2 ,3 ]
Entler, Slavomir [3 ]
Czakoj, Tomas [2 ]
Dostal, Vaclav [1 ]
Prehradny, Jan [2 ]
Zacha, Pavel [1 ]
机构：
[1] Czech Tech Univ, Dept Energy Engn, Tech 4, Prague 16607 6, Czech Republic
[2] Res Ctr Rez, Hlavni 130, Rez 25068, Husinec, Czech Republic
[3] CAS, Inst Plasma Phys, Za Slovankou 3, Prague 18200, Czech Republic
来源：
FUSION SCIENCE AND TECHNOLOGY | 2023年 / 79卷 / 02期
关键词：
Tritium supply; fusion reactor; tritium production; accelerator production of tritium; molten target; PHYSICS;
D O I：
10.1080/15361055.2022.2120301
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
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.
引用
收藏
页码：104 / 116
页数：13
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