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논문 기본 정보

자료유형
학술저널
저자정보
Guangliang Chen (Harbin Engineering University, Harbin, 150001, China) Hao Qian (Harbin Engineering University, Harbin, 150001, China) Lei Li (Harbin Engineering University, Harbin, 150001, China) Yang Yu (Nuclear Power Institute of China, Chengdu) Zhijian Zhang (Harbin Engineering University, Harbin, 150001, China) Zhaofei Tian (Harbin Engineering University, Harbin, 150001, China) Xiaochang Li (Harbin Engineering University, Harbin, 150001, China)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제10호
발행연도
2021.10
수록면
3,171 - 3,181 (11page)
DOI
https://doi.org/10.1016/j.net.2021.04.008

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This research serves to advance the development of engineering computational fluid dynamics (CFD)computing efficiency for the analysis of pressurized water reactor (PWR) core using rod-type fuel assemblies with mixing vanes (one kind of typical PWR core). In this research, a CFD scheme based on thereconstruction of the initial fine flow field (RIF CFD scheme) is proposed and analyzed. The RIF scheme isbased on the quantitative regulation of flow velocities in the rod-type PWR core and the principle thatthe CFD computing efficiency can be improved greatly by a perfect initialization. In this paper, it isdiscovered that the RIF scheme can significantly improve the computing efficiency of the CFD computation for the rod-type PWR core. Furthermore, the RIF scheme also can reduce the computing resourcesneeded for effective data storage of the large fluid domain in a rod-type PWR core. Moreover, a flowranking RIF CFD scheme is also designed based on the ranking of the flow rate, which enhances theutilization of the flow field with a closed flow rate to reconstruct the fine flow field. The flow-ranking RIFCFD scheme also proved to be very effective in improving the CFD efficiency for the rod-type PWR core.

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