Design and evaluation of an innovative LWR fuel combined dual-cooled annular geometry and SiC cladding materials

Yangbin Deng; Minghao Liu; Bowen Qiu; Yuan Yin; Xing Gong; Xi Huang; Bo Pang; Yongchun Li

doi:https://doi.org/10.1016/j.net.2020.06.025

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자료유형: 학술저널

저자정보: Yangbin Deng (Advanced Nuclear Energy Research Team College of Physics and Optoelectronic Engineering Shenzhen U) Minghao Liu (National Key Laboratory of Science and Technology on Reactor System Design Technology, Nuclear Powe) Bowen Qiu (National Key Laboratory of Science and Technology on Reactor System Design Technology, Nuclear Powe) Yuan Yin (Shenzhen University) Xing Gong (Advanced Nuclear Energy Research Team, College of Physics and Optoelectronic Engineering, Shenzhen) Xi Huang (Advanced Nuclear Energy Research Team, College of Physics and Optoelectronic Engineering, Shenzhen) Bo Pang (Advanced Nuclear Energy Research Team, College of Physics and Optoelectronic Engineering, Shenzhen) Yongchun Li (Advanced Nuclear Energy Research Team, College of Physics and Optoelectronic Engineering, Shenzhen)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제1호

발행연도: 2021.1

수록면: 178 - 187 (10page)

DOI: https://doi.org/10.1016/j.net.2020.06.025

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Dual-cooled annular fuel allows a significant increase in power density while maintaining or improvingsafety margins. However, the dual-cooled design brings much higher Zircaloy charge in reactor core,which could cause a great threaten of hydrogen explosion during severe accidents. Hence, an innovativefuel combined dual-cooled annular geometry and SiC cladding was proposed for the first time in thisstudy. Capabilities of fuel design and behavior simulation were developed for this new fuel by the upgradeof FROBA-ANNULAR code. Considering characteristics of both SiC cladding and dual-cooled annulargeometry, the basic fuel design was proposed and preliminary proved to be feasible. After that, a designoptimization study was conducted, and the optimal values of as-fabricated plenum pressure and gas gapsizes were obtained. Finally, the performance simulation of the new fuel was carried out with the fullconsideration of realistic operation conditions. Results indicate that in addition to possessing advantagesof both dual-cooled annular fuel and accident tolerant cladding at the same time, this innovative fuelcould overcome the brittle failure issue of SiC induced by pellet-cladding interaction

#Dual-cooled annular fuel #SiC cladding #Fuel design and optimization #Performance evaluation

참고문헌 (28)

참고문헌 신청

M. S. Kazimi / 2006 / High Performance Fuel Design for Next Generation PWR: Final Report

P. Hejzlar / 2007 / Annular fuel for high-power-density pressured water reactors : motivation and overview / Nucl. Technol 160:2~15

Y. H. Koo / 2012 / Annular Fuel Development in Korea / CANES-MIT symposium on advanced LWR fuels

J. H. Diao / 2015 / Methodology study of thermal-hydraulic analysis for PWR annular fuel assembly array / Atomic Energy Sci. Technol 49:1374~1379

Y. Yuan / 2004 / The Design of High Power Density Annular Fuel for LWRs

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Yangbin Deng

소속기관 Advanced Nuclear Energy Research Team, Department of Nuclear Science and Technology, Collage of Phy