Design and Optimization of Typical Cells of Solid Core for Heat Pipe Reactor

Huang Yongzhong; Li Yuanming; Li Wenjie; Li Quan; Chai Xiaoming; Zhao Bo; Tang Changbing

doi:10.13832/j.jnpe.2021.06.0087

Volume 42 Issue 6

Dec. 2021

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Huang Yongzhong, Li Yuanming, Li Wenjie, Li Quan, Chai Xiaoming, Zhao Bo, Tang Changbing. Design and Optimization of Typical Cells of Solid Core for Heat Pipe Reactor[J]. Nuclear Power Engineering, 2021, 42(6): 87-92. doi: 10.13832/j.jnpe.2021.06.0087

Citation:

Huang Yongzhong, Li Yuanming, Li Wenjie, Li Quan, Chai Xiaoming, Zhao Bo, Tang Changbing. Design and Optimization of Typical Cells of Solid Core for Heat Pipe Reactor[J]. Nuclear Power Engineering, 2021, 42(6): 87-92. doi: 10.13832/j.jnpe.2021.06.0087

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Design and Optimization of Typical Cells of Solid Core for Heat Pipe Reactor

doi: 10.13832/j.jnpe.2021.06.0087

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

Received Date: 2020-10-29
Rev Recd Date: 2020-11-17
Publish Date: 2021-12-09

Abstract

Abstract

The solid reactor core design is a key problem in heat pipe reactor, which can affect the reactor heat transfer performance and structural integrity. To avoid the over high temperature and excessive stress caused by the gap thermal resistance, the three-dimensional thermodynamics models for typical cells of four reactor core designs have been established for optimal calculation with different fillings under the key parameters about gap size and cell section size. The result showed that, the fuel cladding and pellet temperature decrease effectively with filling the assembly clearance with liquid sodium which has high thermal conductivity, but the thermal stress increases instead. The thermodynamic performance of tubes with liquid sodium is the best; Among the solid core solutions, the thermodynamic performance of hexagonal tubes filling with helium is best in solid reactor core designs.
- Solid reactor core,
- Heat pipe,
- Fuel element,
- Thermal-Mechanical coupling,
- Optimization analysis

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References(16)

References

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