Development and Application of Core pin-by-pin Calculation of Sub-channel Analysis Code LINDEN

Xia Hang; Xu Rongshuan; Li Jinggang; Wu Yingwei; Wang Ting; Zhu Yuanbing; Wang Ke

doi:10.13832/j.jnpe.2024.01.0072

Volume 45 Issue 1

Feb. 2024

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Xia Hang, Xu Rongshuan, Li Jinggang, Wu Yingwei, Wang Ting, Zhu Yuanbing, Wang Ke. Development and Application of Core pin-by-pin Calculation of Sub-channel Analysis Code LINDEN[J]. Nuclear Power Engineering, 2024, 45(1): 72-78. doi: 10.13832/j.jnpe.2024.01.0072

Citation:

Xia Hang, Xu Rongshuan, Li Jinggang, Wu Yingwei, Wang Ting, Zhu Yuanbing, Wang Ke. Development and Application of Core pin-by-pin Calculation of Sub-channel Analysis Code LINDEN[J]. Nuclear Power Engineering, 2024, 45(1): 72-78. doi: 10.13832/j.jnpe.2024.01.0072

Citation:

Xia Hang, Xu Rongshuan, Li Jinggang, Wu Yingwei, Wang Ting, Zhu Yuanbing, Wang Ke. Development and Application of Core pin-by-pin Calculation of Sub-channel Analysis Code LINDEN[J]. Nuclear Power Engineering, 2024, 45(1): 72-78. doi: 10.13832/j.jnpe.2024.01.0072

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Development and Application of Core pin-by-pin Calculation of Sub-channel Analysis Code LINDEN

doi: 10.13832/j.jnpe.2024.01.0072

1.
China Nuclear Power Technology Research Institute Co., Ltd., Shenzhen, Guangdong, 518028, China
2.
School of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an, 710049, China

Received Date: 2023-04-03
Rev Recd Date: 2023-07-03
Publish Date: 2024-02-15

Abstract

Abstract

To realize the pin by pin calculation function of the sub-channel analysis code LINDEN and improve the accuracy of core thermal hydraulic analysis by LINDEN code, an automatic modeling function has been developed for the full core pin-by-pin calculation, and the storage and solution problems of large sparse matrices have been solved. The full core pin-by-pin calculation and analysis of 157 assemblies were carried out. The calculation results indicate that LINDEN can perform full core pin-by-pin calculations, and the detailed distribution results of key thermal hydraulic parameters such as coolant temperature distribution, DNBR, mass flow rate distribution can be obtained. The power difference between adjacent assemblies affects the distribution of thermal hydraulic parameters within the assembly.
- Sub-channel analysis,
- Automatic modeling,
- Large sparse matrix,
- pin-by-pin

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References(10)

References

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