Numerical Study of Gas-Lead-Bismuth-Alloy Two-Phase Flow Characteristics in Vertical Circular Tube

Liu Zihua; Wang Di; Liang Ren; Cai Dechang; Ouyang Yong; Lin Zhikang; Tan Linhao

doi:10.13832/j.jnpe.2024.01.0049

Volume 45 Issue 1

Feb. 2024

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Article Navigation > Nuclear Power Engineering > 2024 > 45(1): 49-54

Liu Zihua, Wang Di, Liang Ren, Cai Dechang, Ouyang Yong, Lin Zhikang, Tan Linhao. Numerical Study of Gas-Lead-Bismuth-Alloy Two-Phase Flow Characteristics in Vertical Circular Tube[J]. Nuclear Power Engineering, 2024, 45(1): 49-54. doi: 10.13832/j.jnpe.2024.01.0049

Citation:

Liu Zihua, Wang Di, Liang Ren, Cai Dechang, Ouyang Yong, Lin Zhikang, Tan Linhao. Numerical Study of Gas-Lead-Bismuth-Alloy Two-Phase Flow Characteristics in Vertical Circular Tube[J]. Nuclear Power Engineering, 2024, 45(1): 49-54. doi: 10.13832/j.jnpe.2024.01.0049

Citation:

Liu Zihua, Wang Di, Liang Ren, Cai Dechang, Ouyang Yong, Lin Zhikang, Tan Linhao. Numerical Study of Gas-Lead-Bismuth-Alloy Two-Phase Flow Characteristics in Vertical Circular Tube[J]. Nuclear Power Engineering, 2024, 45(1): 49-54. doi: 10.13832/j.jnpe.2024.01.0049

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Numerical Study of Gas-Lead-Bismuth-Alloy Two-Phase Flow Characteristics in Vertical Circular Tube

doi: 10.13832/j.jnpe.2024.01.0049

China Nuclear Power Technology Research Institute Co., Ltd., Shenzhen, Guangdong, 518000, China

Received Date: 2023-04-12
Rev Recd Date: 2023-09-15
Publish Date: 2024-02-15

Abstract

Abstract

This study adopts a drift flux model based on force balance theory to predict the void fraction of gas-liquid lead-bismuth two-phase flow in the vertical circular pipe. The distribution of liquid-phase flow velocity, shear stress distribution and void fraction distribution of gas-liquid lead-bismuth two-phase flow at different flow path radii, Bankoff exponents and Galileo numbers are obtained through numerical calculations. The intrinsic relationship between the distribution parameters of the drift flux model and the above macroscopic parameters is analysed. The results show that the predicted void fractions and the evolution of the distribution parameters are in good agreement with the experimental results. The numerical method established in this study can be used to study the flow characteristics of gas-liquid lead-bismuth two-phase flow in a circular tube, and provide reference for the rapid calculation of key two-phase flow parameters such as void fraction in steam generator tube rupture(SGTR) accident of lead-bismuth fast reactor.
- Drift flux model,
- Lead-bismuth alloy(LBE),
- Two-phase flow,
- Void fraction

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References

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