Thermal-fluid-structure coupling analysis for plate-type fuel assembly under irradiation. Part-I Numerical methodology

Yuanming Li; Pan Yuan; Quan-yao Ren; Guanghui Su; Hongxing YU; Haoyu Wang; Meiyin Zheng; Yingwei Wu; Shurong Ding

doi:https://doi.org/10.1016/j.net.2020.10.016

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자료유형: 학술저널

저자정보: Yuanming Li (Xi’an Jiaotong University) Pan Yuan (Science and Technology on Reactor System Design Technology Laboratory) Quan-yao Ren (Science and Technology on Reactor System Design Technology Laboratory) Guanghui Su (Xi’an Jiaotong University) Hongxing YU (Science and Technology on Reactor System Design Technology Laboratory) Haoyu Wang (Science and Technology on Reactor System Design Technology Laboratory) Meiyin Zheng (Science and Technology on Reactor System Design Technology Laboratory) Yingwei Wu (Xi’an Jiaotong University) Shurong Ding (Institute of Mechanics and Computational Engineering, Department of Aeronautics and Astronautics, F)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제5호

발행연도: 2021.5

수록면: 1,540 - 1,555 (16page)

DOI: https://doi.org/10.1016/j.net.2020.10.016

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The plate-type fuel assembly adopted in nuclear research reactor suffers from complicated effectinduced by non-uniform irradiation, which might affect its stress conditions, mechanical behavior andthermal-hydraulic performance. A reliable numerical method is of great importance to reveal thecomplex evolution of mechanical deformation, flow redistribution and temperature field for the platetypefuel assembly under non-uniform irradiation. This paper is the first part of a two-part studydeveloping the numerical methodology for the thermal-fluid-structure coupling behaviors of platetypefuel assembly under irradiation. In this paper, the thermal-fluid-structure coupling methodologyhas been developed for plate-type fuel assembly under non-uniform irradiation condition byexchanging thermal-hydraulic and mechanical deformation parameters between Finite ElementModel (FEM) software and Computational Fluid Dynamic (CFD) software with Mesh-based parallelCode Coupling Interface (MpCCI), which has been validated with experimental results. Based on theestablished methodology, the effects of non-uniform irradiation and fluid were discussed, whichdemonstrated that the maximum mechanical deformation with irradiation was dozens of times largerthan that without irradiation and the hydraulic load on fuel plates due to differential pressure played adominant role in the mechanical deformation.

#Plate-type fuel assembly #Thermal-fluid-structure coupling methodology #Irradiation effect #Deformation #Thermal-hydraulics

참고문헌 (22)

참고문헌 신청

G. Daxin / 2015 / Heat transfer calculation on platetype fuel assembly of high flux research reactor[J] / Science & Technology of Nuclear Installations 2015:1~13

Y. S. Kim / 2013 / Fission induced swelling and creep of UeMo alloy fuel[J] / J. Nucl. Mater 437(s 1-3):37~46

W. Fan / 2015 / CFD study on inlet flow blockage accidents in rectangular fuel assembly / Nucl. Eng. Des 292:177~186

L. Li / 2019 / Flow and heat transfer characteristics in platetype fuel channels after formation of blisters on fuel elements[J] / Ann. Nucl. Energy 134:284~298

J. G. Mantecon / 2019 / Numerical analysis on stability of nuclear fuel plates with inlet support comb / Nucl. Eng. Des 342:240~248

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