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首页> 外文期刊>Journal of Nuclear Materials: Materials Aspects of Fission and Fusion >TRITIUM INVENTORY IN A LIALO2 BLANKET
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TRITIUM INVENTORY IN A LIALO2 BLANKET

机译：LIALO2毯子中的RIT存货

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摘要

Although lithium ceramic materials such as Li2O, LiAlO2, Li2ZrO3 and Li4SiO4 are considered as breeding materials in the blanket of a D-T fusion reactor, the release behavior of the bred tritium in these solid breeder materials has not been fully understood. Most of the results of in situ tritium release experiments are analyzed assuming that the overall release process of tritium is mainly controlled with the process of tritium diffusion in the crystal grain of a solid breeder material. However, it has been pointed out by many authors that contribution of the surface reaction cannot be ignored. Effects of diffusion of tritium in the grain, absorption of water in the bulk of grain and adsorption of water on the surface of grain together with isotope exchange reactions on the tritium inventory under the steady state condition are discussed in this study. Comparison of the estimated tritium inventory using the way of this study with the data obtained in several in situ experiments shows that good agreements are obtained when the effective diffusivity, obtained from the data by Kwast et al. is used. The better agreements are obtained when existence of some water vapor is assumed in the purge gas. (C) 1997 Elsevier Science B.V. [References: 25]
机译：尽管将锂陶瓷材料（例如Li2O，LiAlO2，Li2ZrO3和Li4SiO4）视为D-T聚变反应堆毯子中的育种材料，但尚未完全了解这些固体育种材料中的释放行为。假定assuming的总体释放过程主要受of在固体育种材料晶粒中扩散的过程的控制，分析了大多数原位tri释放实验的结果。但是，许多作者指出，表面反应的贡献不可忽视。研究了稳态条件下of在谷物中的扩散，谷物中水分的吸收以及谷物表面水的吸附以及同位素交换对on存量的影响。用本研究方法估算的in​​ventory的存量与在几个原位实验中获得的数据的比较表明，当有效扩散率由Kwast等人的数据获得时，可以获得良好的一致性。用来。当假定吹扫气体中存在一些水蒸气时，可以获得更好的协议。 （C）1997 Elsevier Science B.V. [参考：25]

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