Effect of Fusion Neutron Source Numerical Models on Neutron Wall Loading in a D-D Tokamak Device

被引：0
|
作者：
陈义学
吴宜灿
机构：
[1] China
[2] Chinese Academy of Sciences
[3] Chinese Academy of Sciences Hefei 230031
[4] Institute of Plasma Physics
来源：
Plasma Science & Technology | 2003年 / 02期
基金：
美国国家科学基金会;
关键词：
fusion neutron source; modelling; tokamak; Monte Carlo method;
D O I：
暂无
中图分类号：
TL631.24 [];
学科分类号：
摘要：
Effect of various spatial and energy distributions of fusion neutron source on the calculation of neutron wall loading of Tokamak D-D fusion device has been investigated by means of the 3-D Monte Carlo code MCNP. A realistic Monte Carlo source model was developed based on the accurate representation of the spatial distribution and energy spectrum of fusion neutrons to solve the complicated problem of tokamak fusion neutron source modelling. The results show that those simplified source models will introduce significant uncertainties. For accurate estimation of the key nuclear responses of the tokamak design and analyses, the use of the realistic source is recommended. In addition, the accumulation of tritium produced during D-D plasma operation should be carefully considered.
引用
收藏
页码：1749 / 1754
页数：6
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