The Application of Modelica Simulation Technology in Micro Gas-Cooled Reactor

Liang Yangyang; Zhang Huimin; Wang Li; Li Yunlong; Yuan Yidan; Wang Jun; Du Shuhong

doi:10.13832/j.jnpe.2022.02.0152

Volume 43 Issue 2

Apr. 2022

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Article Navigation > Nuclear Power Engineering > 2022 > 43(2): 152-159

Liang Yangyang, Zhang Huimin, Wang Li, Li Yunlong, Yuan Yidan, Wang Jun, Du Shuhong. The Application of Modelica Simulation Technology in Micro Gas-Cooled Reactor[J]. Nuclear Power Engineering, 2022, 43(2): 152-159. doi: 10.13832/j.jnpe.2022.02.0152

Citation:

Liang Yangyang, Zhang Huimin, Wang Li, Li Yunlong, Yuan Yidan, Wang Jun, Du Shuhong. The Application of Modelica Simulation Technology in Micro Gas-Cooled Reactor[J]. Nuclear Power Engineering, 2022, 43(2): 152-159. doi: 10.13832/j.jnpe.2022.02.0152

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The Application of Modelica Simulation Technology in Micro Gas-Cooled Reactor

doi: 10.13832/j.jnpe.2022.02.0152

China Nuclear Power Engineering Co., Ltd., Beijing, 100840, China

Received Date: 2021-02-04
Rev Recd Date: 2021-04-14
Publish Date: 2022-04-02

Abstract

Abstract

Compared with traditional large-scale nuclear power plants, the functions of micro reactor systems are closely coupled and restrict each other. The traditional professional decoupling design mode is difficult to deal with it, and a full range of system simulation is needed. A system simulation model of an gas-cooled micro reactor is established by using Modelica language, and the accident analysis and calculation is carried out by taking the expected transient (ATWS) accident without emergency shutdown as an example, and compared with the results of professional core safety analysis. The results show that the change trend of reactor power is consistent, and the shutdown can be realized only by the negative reactivity caused by the increase of core temperature after ATWS accident. The research method proposed in this paper not only lays a solid foundation for the whole system modeling and simulation of gas-cooled micro reactor, but also provides a good reference for the system modeling and simulation of other types of reactors.
- Modelica language,
- System modeling,
- System simulation,
- Micro-reactor

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References(19)

References

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