Theoretical analysis of tritium breeding behavior for liquid lithium tin alloy

XIE Bo YANG Tongzai HU Rui

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Theoretical analysis of tritium breeding behavior for liquid lithium tin alloy

更新时间：2021-03-12

- Theoretical analysis of tritium breeding behavior for liquid lithium tin alloy
- NUCLEAR TECHNIQUES Vol. 31, Issue 8, (2008)
- 作者机构：
  
  中国工程物理研究院核物理与化学研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL64
- Published：01 August 2008
- 稿件说明：
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[1]谢波,杨通在,胡睿.液态锂锡合金氚增殖行为的理论分析[J].核技术,2008,31(08):608-612.

XIE Bo YANG Tongzai HU Rui. Theoretical analysis of tritium breeding behavior for liquid lithium tin alloy[J]. Nuclear techniques, 2008, 31(8): 608-612.
[1]谢波,杨通在,胡睿.液态锂锡合金氚增殖行为的理论分析[J].核技术,2008,31(08):608-612. DOI：

XIE Bo YANG Tongzai HU Rui. Theoretical analysis of tritium breeding behavior for liquid lithium tin alloy[J]. Nuclear techniques, 2008, 31(8): 608-612. DOI：

摘要

采用气-液两相界面模型和与时间有关的扩散理论及本征函数展开的方法

模拟了Li25Sn75合金的氚增殖行为。计算结果表明:在14MeV能量下

天然Sn的（n

2n）反应宏观截面相对较小

只有1.5b;7Li、6Li产氚随时间变化的规律与LiPb合金、Li2O介质是一致的;Li25Sn75合金对模型厚度比较敏感

随着厚度和6Li丰度的增加

氚增殖比（Tritium Breeding Ratio

TBR）保持上升的趋势。

Abstract

Sn-Li alloy is considered as a potential liquid breeding materials for fusion reactor. For an effective design of the experimental loop for liquid breeder in-pile production tritium and liquid blanket neutronic

in this paper

a mathematical model of gas-eutectic interface and a time-dependent multi-group diffusion equation and eigenfunction expansion method has been introduced and the tritium breeding behavior of liquid Li25Sn75 alloy has been imitated. Calculation results have shown that cross section of Sn-nat (n

2n) is 1.5 barns at 14 MeV

and the tritium breeding with time in 7Li and 6Li is showing no difference with LiPb alloy and Li2O

and the effects on TBR from Li25Sn75 alloy is sensitive and TBR increases with increasing sizes and concentration of 6Li.

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Related Institution

China Nuclear Power Engineering Company, Ltd.

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