CAJ | 학술논문

研究堆水平孔道中子束流是中子分析技术应用的主要中子源之一，束流参数研究能够为后续核技术分析提供基础。水平孔道口中子参数计算属于典型的“深穿透”及“管道通量”问题，论文通过分步计算，克服了MCNP4C在计算粒子“小概率”问题中的耗时长、结果差的缺陷。束流参数测量采用金箔活化法，计算结果与测量数据比较，主要能区偏差小于10％。
연구퇴수평공도중자속류시중자분석기술응용적주요중자원지일，속류삼수연구능구위후속핵기술분석제공기출。수평공도구중자삼수계산속우전형적“심천투”급“관도통량”문제，논문통과분보계산，극복료MCNP4C재계산입자“소개솔”문제중적모시장、결과차적결함。속류삼수측량채용금박활화법，계산결과여측량수거비교，주요능구편차소우10％。
Neutron beam of SPRR-300 reactor horizontal channel is a major neutron source and the neutron pa -rameters support the nuclear technology application .The calculation is a typical deep -penetrating and "chan-nel flux"question .A subsection calculation method is adopted to improve calculation convergence with MC -NP4C code.Au foil activation applies to measure the neutron spectra .Comparing the calculation results with the experiments , the relative error is below 10%.