Shielding design of the multi-purpose reflectometer of China spallation neutron source
Shen F(沈飞); Liang TR(梁泰然); Shen, F; Liang, TR; Yin, W; Yu, QZ; Zuo, TS; Yao, ZE; Zhu, T; Liang, TJ; Zuo TS(左太森)
刊名ACTA PHYSICA SINICA
2014
卷号63期号:15页码:152801
关键词shielding design MCNPX CSNS multi-purpose reflectometer
学科分类Physics
DOI10.7498/aps.63.152801
英文摘要The shielding design employing the Monte Carlo simulation code of MCNPX 2.5.0 for multi-purpose reflectometer of China spallation neutron source (CSNS) is introduced, including the shielding needs, radiation source terms, calculating methods and simulation results, etc. Various radiation source terms such as the moderator leakage source term, and the neutron guide loss source term etc. are taken into account in the simulation, and step-by-step calculation method and variance reduction methods such as source angular biasing, source energy biasing, and geometry splitting, are adopted to improve the computing speed while the precision of the results is guaranteed. In the shielding design of instrument transport beamline, second shutter, and scattering room etc., the final shielding parameters are determined by comparing the shielding need under different operating conditions, to ensure the dose rate below the 2.5 mu Sv/h limitation in accessible locations outside the shielding.
收录类别SCI
WOS记录号WOS:000340640300011
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224799
专题中国科学院高能物理研究所_实验物理中心_期刊论文
中国科学院高能物理研究所_实验物理中心
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GB/T 7714
Shen F,Liang TR,Shen, F,et al. Shielding design of the multi-purpose reflectometer of China spallation neutron source[J]. ACTA PHYSICA SINICA,2014,63(15):152801.
APA 沈飞.,梁泰然.,Shen, F.,Liang, TR.,Yin, W.,...&左太森.(2014).Shielding design of the multi-purpose reflectometer of China spallation neutron source.ACTA PHYSICA SINICA,63(15),152801.
MLA 沈飞,et al."Shielding design of the multi-purpose reflectometer of China spallation neutron source".ACTA PHYSICA SINICA 63.15(2014):152801.
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