日本核聚变试验设施附近逐月降水中氚浓度的氘等离子体实验前后变化。
TRITIUM CONCENTRATION IN MONTHLY PRECIPITATION NEAR THE FUSION TEST FACILITY IN JAPAN BEFORE AND AFTER THE DEUTERIUM PLASMA EXPERIMENT.
机构信息
Institute of Radiation Emergency and Medicine, Hirosaki University, 66-1 Hon-cho, Hirosaki, Aomori 036-8564, Japan.
National Institute for Fusion Science, National Institute of Natural Sciences, 322-6 Orishi-cho, Toki, Gifu 509-5292, Japan.
出版信息
Radiat Prot Dosimetry. 2022 Sep 9;198(13-15):976-984. doi: 10.1093/rpd/ncac024.
In Japan, the deuterium plasma experiment using the Large Helical Device was started at the National Institute for Fusion Science (NIFS) in March 2017 to investigate high-temperature plasma physics and hydrogen isotope effects in research leading towards the realisation of fusion energy. The deuterium plasma experiment produces small amount of tritium by fusion reactions. To understand any impacts by the experiment to the surrounding environment, monthly precipitation samples have been collected at the NIFS site since November 2013 to assess the relationship between isotope composition and chemical species in precipitation including tritium. By comparing data before and after the deuterium plasma experiment start, it was found that tritium released from the main stack of the fusion test facility had no impact on the environment surrounding NIFS.
在日本，国立核聚变科学研究所（NIFS）于 2017 年 3 月开始使用大型螺旋装置进行氘等离子体实验，旨在研究高温等离子体物理和氢同位素效应对实现聚变能的影响。氘等离子体实验通过聚变反应产生少量的氚。为了了解实验对周围环境的任何影响，自 2013 年 11 月以来，一直在 NIFS 站点收集每月的降水样本，以评估降水包括氚在内的同位素组成与化学物质之间的关系。通过比较氘等离子体实验前后的数据，发现从聚变试验设施的主烟囱中释放的氚对 NIFS 周围环境没有影响。
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