Simulation Analysis of FeCrAl-UN Fuel Rod Performance

Tu Teng; Gao Shixin; Zhou Yi; Chen Ping; Zhang Ruiqian; Yang Qingfeng; Liao Nan

doi:10.13832/j.jnpe.2021.S2.0165

Volume 42 Issue S2

Dec. 2021

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Tu Teng, Gao Shixin, Zhou Yi, Chen Ping, Zhang Ruiqian, Yang Qingfeng, Liao Nan. Simulation Analysis of FeCrAl-UN Fuel Rod Performance[J]. Nuclear Power Engineering, 2021, 42(S2): 165-170. doi: 10.13832/j.jnpe.2021.S2.0165

Citation:

Tu Teng, Gao Shixin, Zhou Yi, Chen Ping, Zhang Ruiqian, Yang Qingfeng, Liao Nan. Simulation Analysis of FeCrAl-UN Fuel Rod Performance[J]. Nuclear Power Engineering, 2021, 42(S2): 165-170. doi: 10.13832/j.jnpe.2021.S2.0165

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Simulation Analysis of FeCrAl-UN Fuel Rod Performance

doi: 10.13832/j.jnpe.2021.S2.0165

1.
Nuclear Power Institute of China, Chengdu, 610213, China
2.
Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China

Received Date: 2021-07-19
Accepted Date: 2021-12-06
Rev Recd Date: 2021-10-22
Publish Date: 2021-12-29

Abstract

Abstract

FeCrAl cladding and UN fuel pellet are important accident tolerant fuel (ATF) candidates, it’s necessary to analyze the performance of FeCrAl cladding and UN fuel pellet under PWR operation condition. Based on the latest FeCrAl cladding and UN fuel physical property data and behavior model at home and abroad, the fuel performance analysis program FUPAC is redeveloped to analyze the in-reactor performance of FeCrAl/UN, FeCrAl/UO₂, Zr-4/UN and Zr-4/UO₂ fuel rods under different linear power densities. Through comparison, the results showed that FeCrAl/UN fuel rod has good performance in aspects like pellet temperature, fission gas release, fuel rod internal pressure, etc. But due to low creep rate of FeCrAl cladding, once the cladding-pellet gap closes, the cladding stress increases rapidly. This phenomenon needs to be paid attention during the following research.
- Accident tolerant fuel (ATF),
- Uranium nitride (UN) fuel,
- FeCrAl cladding

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References(13)

References

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