3D Simulation of Fuel Performance with Missing Pellet Surface Defect

Liu Zhenhai; Chen Ping; Zhou Yi; Li Wenjie; Zhang Kun; Xing Shuo; Miao Yifei

doi:10.13832/j.jnpe.2018.0180

Volume 39 Issue 2

Feb. 2025

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Liu Zhenhai, Chen Ping, Zhou Yi, Li Wenjie, Zhang Kun, Xing Shuo, Miao Yifei. 3D Simulation of Fuel Performance with Missing Pellet Surface Defect[J]. Nuclear Power Engineering, 2018, 39(2): 180-184. doi: 10.13832/j.jnpe.2018.0180

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Liu Zhenhai, Chen Ping, Zhou Yi, Li Wenjie, Zhang Kun, Xing Shuo, Miao Yifei. 3D Simulation of Fuel Performance with Missing Pellet Surface Defect[J]. Nuclear Power Engineering, 2018, 39(2): 180-184. doi: 10.13832/j.jnpe.2018.0180

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3D Simulation of Fuel Performance with Missing Pellet Surface Defect

doi: 10.13832/j.jnpe.2018.0180

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

Received Date: 2017-12-11
Rev Recd Date: 2018-01-02

Available Online: 2025-02-09

Abstract

Abstract

The effect of missing pellet surface（MPS） defect on fuel performance by coupling three dimensional code and one and half dimensional code is studied.The three dimensional fuel performance code is built based on ABAQUS software and compared with COPERNIC,a one and half dimensional fuel performance code.Based on this,the fuel performance near the MPS defect during typical condition II transient is studied.The result shows that the temperature of the cladding inner surface near MPS defect is lower than the surrounding and the temperature of cladding inner surface near the defect edge is significantly higher than the surrounding; There is stress concentration in the cladding around the defect and the cladding hoop stress distribution near the defect presents a typical "plate bending" phenomenon.
- Missing pellet surface defect,
- PCI,
- Finite element method,
- Fuel behavior