Surface distribution of tritium in the first wall of a fusion reactor according to the data of neutron measurements

IF 0.4 4区 工程技术 Q4 NUCLEAR SCIENCE & TECHNOLOGY Atomic Energy Pub Date : 2024-09-16 DOI:10.1007/s10512-024-01136-1
E. D. Vovchenko, K. I. Kozlovskij, A. E. Shikanov, A. A. Isaev
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Abstract

The article considers an in-situ method potential for establishing the surface distribution of tritium in the first wall of a fusion reactor using neutron tomography. The method includes the formation of a pulse-periodic flux of accelerated deuterons bombarding the studied surface of the first reactor wall following its saturation with tritium, generation of a fast neutron field according to T (d, n)4He reaction, measurement of neutron fluence at given spatial points, and reconstruction of the spatial tritium distribution according to measurement data. An algorithm for such a reconstruction is presented based on an approximate solution to the inverse Fredholm problem.

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根据中子测量数据得出的聚变反应堆第一壁氚的表面分布情况
文章探讨了一种利用中子层析成像技术确定聚变反应堆第一层壁氚表面分布的现场方法。该方法包括在氚饱和后形成脉冲周期性加速氘核通量轰击所研究的第一堆壁表面,根据 T (d, n)4He 反应生成快中子场,测量给定空间点的中子通量,以及根据测量数据重建空间氚分布。根据逆弗雷德霍姆问题的近似解,提出了这种重建的算法。
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来源期刊
Atomic Energy
Atomic Energy 工程技术-核科学技术
CiteScore
1.00
自引率
20.00%
发文量
100
审稿时长
4-8 weeks
期刊介绍: Atomic Energy publishes papers and review articles dealing with the latest developments in the peaceful uses of atomic energy. Topics include nuclear chemistry and physics, plasma physics, accelerator characteristics, reactor economics and engineering, applications of isotopes, and radiation monitoring and safety.
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