Development of nodal Sn transport method in 3D hexagonal geometry

被引：0
|
作者：
Takeda, T
Yamamoto, T
Katagi, Y
Ohya, K
机构：
来源：
NEUTRONS IN RESEARCH AND INDUSTRY, INTERNATIONAL CONFERENCE | 1997年 / 2867卷
关键词：
3-D transport; hexagonal-z geometry; nodal Sn; NEACRP 3-D benchmark; nodal-equivalent finite difference; axial leakage treatment; QLA method;
D O I：
10.1117/12.267959
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new nodal Sn transport calculation code NSHEX has been developed to accurately estimate the 3-D transport effect of fast reactors in hexagonal-z geometry. The intra-node distribution of source is expanded into quadratic polynomials, and the neutron angular distribution of node surface fluxes and intra-node fluxes is considered by Sn quadrature. In addition, some improvements have been made on the code in order to enhance the accuracy. The accuracy of the present method was validated through numerical analyses for a commercial scale fast reactor with the comparison of Monte Carlo method.
引用
收藏
页码：485 / 488
页数：4
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