Nuclear Engineering and Technology

  • 제54권1호
  • /
  • Pages.19-29
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  • 2022
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  • 1738-5733(pISSN)
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  • 2234-358X(eISSN)
한국원자력학회 (Korean Nuclear Society)
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Analysis and comparison of the 2D/1D and quasi-3D methods with the direct transport code SHARK

  • Zhao, Chen (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China) ;
  • Peng, Xingjie (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China) ;
  • Zhang, Hongbo (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China) ;
  • Zhao, Wenbo (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China) ;
  • Li, Qing (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China) ;
  • Chen, Zhang (Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China)
  • 투고 : 2020.10.14
  • 심사 : 2021.07.22
  • 발행 : 2022.01.25
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초록

The 2D/1D method has become the mainstream of the direct transport calculation considering the balance of accuracy and efficiency. However, the 2D/1D method still suffers from stability issues. Recently, a quasi-3D method has been proposed with axial Legendre expansion. Analysis and comparison of the 2D/1D and quasi-3D method is conducted in theory from the equation derivation. Besides, the C5G7 benchmark, the KUCA benchmark and the macro BEAVRS benchmark are calculated to verify the theory comparisons of these two methods with the direct transport code SHARK. All results show that the quasi-3D method has better stability and accuracy than the 2D/1D method with worse efficiency and memory cost. It provides a new option for direct transport calculation with the quasi-3D method.

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과제정보

This work is supported by National Natural Science Foundation of China (Grant No. 12005214, 11905214) and China Association for Science and Technology (Young Elite Scientists Sponsorship Program 2019QNRC001).

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