Numerical Simulation of the Natural Circulation Test of PHENIX Reactor by ACENA

Liu Yapeng; Zhang Dalin; Chen Yutong; Zhou Lei; Tian Wenxi; Qiu Suizheng; Su Guanghui

doi:10.13832/j.jnpe.2024.05.0121

Volume 45 Issue 5

Oct. 2024

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Article Navigation > Nuclear Power Engineering > 2024 > 45(5): 121-127

Liu Yapeng, Zhang Dalin, Chen Yutong, Zhou Lei, Tian Wenxi, Qiu Suizheng, Su Guanghui. Numerical Simulation of the Natural Circulation Test of PHENIX Reactor by ACENA[J]. Nuclear Power Engineering, 2024, 45(5): 121-127. doi: 10.13832/j.jnpe.2024.05.0121

Citation:

Liu Yapeng, Zhang Dalin, Chen Yutong, Zhou Lei, Tian Wenxi, Qiu Suizheng, Su Guanghui. Numerical Simulation of the Natural Circulation Test of PHENIX Reactor by ACENA[J]. Nuclear Power Engineering, 2024, 45(5): 121-127. doi: 10.13832/j.jnpe.2024.05.0121

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Numerical Simulation of the Natural Circulation Test of PHENIX Reactor by ACENA

doi: 10.13832/j.jnpe.2024.05.0121

School of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an, 710049, China

Received Date: 2023-09-17
Rev Recd Date: 2024-04-26
Publish Date: 2024-10-14

Abstract

Abstract

Natural circulation decay heat removal is is an important passive safety feature of pool-type sodium-cooled fast reactor (SFR), but it also brings new problems and challenges to the design and safety analysis of SFR. Whether the natural cycle can be established and whether the natural cycle can take away the decay heat of the core is an important part of the reactor safety analysis under station black-out accident (SBO). In order to verify the reliability of the liquid metal accident analysis code ACENA in the simulation of natural cycle decay heat removal in SFR, the natural circulation test conducted by the French Alternative Energies and Atomic Energy Commission (CEA) at the end of the life of pool-type sodium-cooled fast reactor PHENIX was modeled and analyzed. The effect of thermal stratification on natural circulation was considered by two-dimensional finite difference method in sodium pool. The verification results show that ACENA can accurately analyze the process of forced circulation to natural circulation and accurately predict the key parameters. The code can also calculate the thermal stratification phenomenon in the sodium pool, and has the calculation capacity of natural circulation decay heat removal.
- Sodium-cooled fast reactor,
- Natural circulation,
- Decay heat removal,
- PHENIX,
- ACENA

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References(19)

References

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