Thermal-fluid-structure coupling analysis on plate-type fuel assembly under irradiation. Part-II Mechanical deformation and thermal-hydraulic characteristics

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

doi:https://doi.org/10.1016/j.net.2020.11.031

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자료유형: 학술저널

저자정보: Yuanming Li (Xi'an Jiaotong University) Quan-yao Ren (Science and Technology on Reactor System Design Technology Laboratory) Pan Yuan (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) Meiyin Zheng (Science and Technology on Reactor System Design Technology Laboratory) Haoyu Wang (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: 1,556 - 1,568 (13page)

DOI: https://doi.org/10.1016/j.net.2020.11.031

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The plate-type fuel assembly adopted in nuclear research reactor suffers from complicated effect inducedby non-uniform irradiation, which might affect stress conditions, mechanical behaviors and thermalhydraulicperformance of the fuel assembly. This paper is the Part II work of a two-part study devotedto analyzing the complex unique mechanical deformation and thermal-hydraulic characteristics for thetypical plate-type fuel assembly under irradiation effect, which is on the basis of developed and verifiednumerical thermal-fluid-structure coupling methodology under irradiation in Part I of this work. Themechanical deformation, thermal-hydraulic performance and Mises stress have been analyzed for thetypical plate-type fuel assembly consisting of support plates under non-uniform irradiation. It wasinteresting to observe that: the plate-type fuel assembly including the fuel plates and support platestended to bend towards the location with maximum fission rate; the hot spots in the fuel foil appeared atthe location with maximum thickness increment; the maximum Mises stress of fuel foil was located atthe adjacent location with the maximum plate thickness increment et al.

#Plate-type fuel assembly #Thermal-fluid-structure coupling #Irradiation effect #Mechanical deformation #Thermal-hydraulics #Mises stress

참고문헌 (31)

참고문헌 신청

Y. S. Kim / 2011 / Fission product induced swelling of UeMo alloy fuel / J. Nucl. Mater 419(1-3):291~301

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

F. Yan / 2019 / Effects of UMo irradiation creep on the thermo-mechanical behaviorin monolithic UMo/Al fuel plates / J. Nucl. Mater 524:209~217

X. Jian / 2019 / A mesoscale stress model for irradiated U-10Mo monolithic fuels based on evolution of volume fraction/radius/internal pressure of bubbles / Nuclear Engineering and Technology 51(6)

Y. Cui / 2015 / Modifications and applications of the mechanistic gaseous swelling model for UMo fuel / J. Nucl. Mater 457:157~164

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