Study on Loading Pattern for Long-cycle Lead-cooled Fast Reactor Core

Xia Bangyang; Xu Can; Qin Tianjiao; Li Qing

doi:10.13832/j.jnpe.2023.06.0260

Volume 44 Issue 6

Dec. 2023

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Xia Bangyang, Xu Can, Qin Tianjiao, Li Qing. Study on Loading Pattern for Long-cycle Lead-cooled Fast Reactor Core[J]. Nuclear Power Engineering, 2023, 44(6): 260-265. doi: 10.13832/j.jnpe.2023.06.0260

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Xia Bangyang, Xu Can, Qin Tianjiao, Li Qing. Study on Loading Pattern for Long-cycle Lead-cooled Fast Reactor Core[J]. Nuclear Power Engineering, 2023, 44(6): 260-265. doi: 10.13832/j.jnpe.2023.06.0260

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Study on Loading Pattern for Long-cycle Lead-cooled Fast Reactor Core

doi: 10.13832/j.jnpe.2023.06.0260

Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China

Received Date: 2023-05-05
Rev Recd Date: 2023-08-20
Publish Date: 2023-12-15

Abstract

Abstract

Lead-cooled fast reactor system is simple with natural safety, and it is one of the Generation Ⅳ nuclear power reactors with the most development potential and reality. Due to the high density, high operating temperature and opacity of lead coolant, the core refueling process is very difficult, complex and time-consuming, which affects the economy and safety of nuclear power plants. Therefor, increasing the core cycle length and reducing the refueling frequency have become an important aspect of the design and research of large-scale commercial lead-cooled fast reactor. Based on the engineering requirements, this paper analyzes the influence laws of the factors such as nuclear fuel type, fuel element and assembly form, reflector material, control rod layout, and the setting method of fissile nuclides blanket zone on the cycle length of lead-cooled fast reactor, and establishes the loading method of long-cycle core of lead-cooled fast reactor, which provides reference for the optimization of physical design of large commercial lead-cooled fast reactor.
- Lead-cooled fast reactor,
- Generation Ⅳ nuclear reactor,
- Long cycle,
- Physical design

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References(24)

References

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