New exploration on thorium molten salt reactor: Redesign and optimization of lattice

Zhao Jinkun; Si Shengyi; Chen Qichang; Bei Hua

doi:10.11884/HPLPB201729.160264

Volume 29 Issue 01

Dec. 2016

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Article Navigation > High Power Laser and Particle Beams > 2017 > 29(01): 016015

Wu Hanyu, Zhang Xinjun, Wang Liangping, et al. Restraint of focus spot drift of electron-beam in bremsstrahlung radiation[J]. High Power Laser and Particle Beams, 2015, 27: 075105. doi: 10.11884/HPLPB201527.075105

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Zhao Jinkun, Si Shengyi, Chen Qichang, et al. New exploration on thorium molten salt reactor: Redesign and optimization of lattice[J]. High Power Laser and Particle Beams, 2017, 29: 016015. doi: 10.11884/HPLPB201729.160264

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New exploration on thorium molten salt reactor: Redesign and optimization of lattice

doi: 10.11884/HPLPB201729.160264

1.
Shanghai Nuclear Engineering Research &Design Institute,Shanghai 200233,China

Received Date: 2016-06-16
Rev Recd Date: 2016-10-10
Publish Date: 2017-01-14

Abstract

Abstract

Based on comprehensive screening, lattice parameters including fuel composition, moderator material, lattice size and structure are redesigned for thorium molten salt reactor (TMSR) applying SONG/TANG-MSR codes. Innovatively, a fuel composition without BeF2 is adopted to increase the solubility for actinides (ThF4, UF4), and BeO is introduced as moderator to improve neutron economy. Moreover, SiC cladding is employed to separate fuel and moderator. Meanwhile such ceramic cladding contributes to maintain structure stability and improve resistance to radiation. With these lattice parameters, TMSR can achieve a high breeding ratio and maintain a negative power coefficient as well. Based on this lattice design, TMSR can have excellent performance of safety and sustainability.
- next generation nuclear power system,
- thorium molten salt reactor,
- lattice redesign,
- high breeding ratio,
- negative power coefficient

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