Modelling of effective irradiation swelling for inert matrix fuels

Jing Zhang; Haoyu Wang; Hongyang Wei; Jingyu Zhang; Changbing Tang; Chuan Lu; Chunlan Huang; Shurong Ding; Yuanming Li

doi:https://doi.org/10.1016/j.net.2021.02.019

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자료유형: 학술저널

저자정보: Jing Zhang (Institute of Mechanics and Computational Engineering, Department of Aeronautics and Astronautics) Haoyu Wang (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of C) Hongyang Wei (Institute of Mechanics and Computational Engineering, Department of Aeronautics and Astronautics) Jingyu Zhang (Institute of Mechanics and Computational Engineering, Department of Aeronautics and Astronautics) Changbing Tang (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of C) Chuan Lu (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of C) Chunlan Huang (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of C) Shurong Ding (Institute of Mechanics and Computational Engineering, Department of Aeronautics and Astronautics) Yuanming Li (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of C)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제8호

발행연도: 2021.8

수록면: 2,616 - 2,628 (13page)

DOI: https://doi.org/10.1016/j.net.2021.02.019

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The results of effective irradiation swelling in a wide range of burnup levels are numerically obtained foran inert matrix fuel, which are verified with DART model. The fission gas swelling of fuel particles iscalculated with a mechanistic model, which depends on the external hydrostatic pressure. Additionally,irradiation and thermal creep effects are included in the inert matrix. The effects of matrix creep strains,external hydrostatic pressure and temperature on the effective irradiation swelling are investigated. Theresearch results indicate that (1) the above effects are coupled with each other; (2) the matrix creepeffects at high temperatures should be involved; and (3) ranged from 0 to 300 MPa, a remarkabledependence of external hydrostatic pressure can be found. Furthermore, an explicit multi-variablemathematic model is established for the effective irradiation swelling, as a function of particle volumefraction, temperature, external hydrostatic pressure and fuel particle fission density, which can wellreproduce the finite element results. The mathematic model for the current volume fraction of fuelparticles can help establish other effective performance models

#Inert matrix fuel #Equivalent spherical model #Effective irradiation swelling #Hydrostatic pressure #Irradiation and thermal creep

참고문헌 (14)

참고문헌 신청

C. Lombardi / 2008 / Thoria and inert matrix fuels for a sustainable nuclear power / Prog. Nucl. Energy 50(8):944~953

A. Savchenko / 2007 / Dispersion type zirconium matrix fuels fabricated by capillary impregnation method / J. Nucl. Mater 362(2-3):356~363

A. M. Savchenko / 2006 / Inert matrix fuel in dispersion type fuel elements / J. Nucl. Mater 352(1-3):372~377

E. A. C. Neeft / 2003 / The EFTTRA-T3 irradiation experiment on inert matrix fuels / J. Nucl. Mater 320(1-2):106~116

A. M. Savchenko / 2009 / New concept of designing Pu and MA containing fuel for fast reactors / J. Nucl. Mater 385(1):148~152

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Jing Zhang

소속기관 Institute of Mechanics and Computational Engineering, Department of Aeronautics and Astronautics