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Development of a Monitoring Technique for the Permeation Behavior of Tritium in Pure Nickel to Pure Water
Fusion Science and Technology ( IF 0.9 ) Pub Date : 2020-05-14 , DOI: 10.1080/15361055.2020.1728175
Teppei Otsuka 1 , Takuma Shimada 1 , Kenichi Hashizume 2 , Kazunari Katayama 2 , Toshiaki Hiyama 3
Affiliation  

Abstract A technique to monitor the permeation behavior of tritium in metals to pure water was successfully developed. A metal membrane separated two containers: one is for tritium loading as an upstream side, and the other is for tritium permeation release as a downstream side. Tritium was loaded by gas absorption at controlled temperatures of 303 K, 323 K, and 373 K and pressures of 4 and 8 kPa at the upstream side. Pure water in the downstream side was automatically and continuously circulated to a solid scintillation counting apparatus by which the tritium concentration in the pure water was directly measured for more than 100 h. When the present technique was applied, almost diffusional permeation behavior of tritium at the nickel-water interface was demonstrated.

中文翻译:

纯镍中氚向纯水渗透行为监测技术的开发

摘要 成功开发了一种监测金属中氚向纯水渗透行为的技术。金属膜将两个容器隔开:一个作为上游侧用于氚装载,另一个作为下游侧用于氚渗透释放。在 303 K、323 K 和 373 K 的受控温度以及上游侧 4 和 8 kPa 的压力下,通过气体吸收来加载氚。下游纯水自动连续循环至固体闪烁计数仪,直接测量纯水中氚浓度100小时以上。当应用本技术时,证明了氚在镍-水界面上的几乎扩散渗透行为。
更新日期:2020-05-14
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