Transient Hydrogen Release from Graphite iust after High Flux Beam lrradiation

Transient Hydrogen Release from Graphite iust after High Flux Beam lrradiation
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高通量束辐照后石墨瞬时释氢

DOI：
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发表时间：
2000
期刊：
影响因子：
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通讯作者：
Nishikawa Masahiro
Nishikawa Masahiro
中科院分区：
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文献类型：
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作者：
Matsuhiro Kenjiro;Isobe Michiro;Nishikawa Masahiro

文献摘要

被引文献

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卵石偏滤器的概念是为紧凑型和高功率密度聚变堆提出的。在这个概念中，燃料气体可以由自由落下的鹅卵石流通过偏滤器等离子体与氢吸入剂表层一起泵出。为了研究其燃料气的泵送功能，瞬时放氢变得非常重要。在这项研究中，测量了高通量辐照后石墨的氢释放量，以评估卵石偏滤器的泵浦性能。通过求解质量平衡方程，计算了辐照结束后5 S的详细释氢行为。
The pebble divertor concept is proposed for compact and high power density fusion reactors. In this concept, fuel gas can be pumped out by streams of the free falling pebbles with the hydrogen getter surface layer through the divertor plasma. To investigate its fuel gas pumping function, the transient hydrogen release becomes important. In this study, the hydrogen release from the graphite just after the high flux irradiation was measured for estimating the pumping performance of the pebble divertor. The detailed hydrogen release behavior for 5 s after the end of the irradiation was calculated by solving the mass balance equations.