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| 引用本文： | �� �������������� ��������ѧ. �۱������μ��㷽���о�[J]. 核聚变与等离子体物理, 2017, 37(4): 392-398. DOI: 10.16568/j.0254-6086.201704004 |
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| 作者姓名： | �� �������������� ��������ѧ |
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| 作者单位： | (1. ??????????????????????????? 102206??2. ?й???繤?????????????? 100840) |
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| 摘 要： |
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Deep penetration shielding calculation method for fusion reactors |
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| ZHANG Bin��LI Xiao-jing��LIU Cong,CHEN Yi-xue. Deep penetration shielding calculation method for fusion reactors[J]. Nuclear Fusion and Plasma Physics, 2017, 37(4): 392-398. DOI: 10.16568/j.0254-6086.201704004 |
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| Authors: | ZHANG Bin��LI Xiao-jing��LIU Cong CHEN Yi-xue |
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| Affiliation: | (1. School of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206; 2. China Nuclear Power Engineering Co., Ltd., Beijing 100840) |
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| Abstract: | In order to improve the computational accuracy of fusion reactor deep penetration shielding problems with complex streaming gaps, MC-SN coupling method is developed. Based on the Theta Weighted differencing scheme, the Directional Theta Weighted and Exponential Directional Weighted differencing schemes, which have adaptive features, are introduced. Biased quadrature sets are also constructed on base of Legendre-Chebyshev sets and angular refinement technique to deal with shielding calculation problems of strong fusion neutron penetration and anisotropic scattering. Through the comparative analysis with MCNP simulation results, it can be found that these methods can effectively improve the accuracy for some deep penetration shielding calculation in fusion reactors. |
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