The isotope effect on impurities and bulk ion particle transport in the Large Helical Device
作者: K. IdaR. SakamotoM. YoshinumaK. YamazakiT. KobayashiY. FujiwaraC. SuzukiK. FujiJ. ChenI. MurakamiM. EmotoR. MackenbachH. YamadaG. MotojimaS. MasuzakiK. MukaiK. NagaokaH. TakahashiT. OishiM. GotoS. MoritaN. TamuraH. NakanoS. KamioR. SekiM. YokoyamaS. MurakamiM. NunamiM. NakataT. MorisakiM. Osakabethe LHD Experiment Group
作者单位: 1National Institute for Fusion Science, National Institutes of Natural Sciences, Toki, Gifu 509-5292, Japan
2SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
3Research Institute for Applied Mechanics, Kyushu University, Kasuga, Fukuoka, Japan
4Department of Mechanical Engineering and Science, Graduate School of Engineering, Kyoto University, Kyoto 615-8540, Japan
5School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230026, China
6Eindhoven University of Technology Merovingersweg 1, 5616 JA Eindhoven, Netherlands
7Division of Particle and Astrophysical Science, Graduate School of Science, Nagoya University, Nagoya, Aichi 464-8601, Japan
8Department of Nuclear Engineering, Kyoto University, Kyoto, Kyoto 615-8510, Japan
刊名: Nuclear Fusion, 2019, Vol.59 (5)
来源数据库: Institute of Physics Journal
DOI: 10.1088/1741-4326/ab0e41
原始语种摘要: The isotope effect on impurities and bulk ion particle transport is investigated by using the deuterium, hydrogen, and isotope mixture plasma in the Large Helical Device (LHD). A clear isotope effect is observed in the impurity transport but not the bulk ion transport. The isotope effects on impurity transport and ion heat transport are observed as a primary and a secondary effect, respectively, in the plasma with an internal transport barrier (ITB). In the LHD, an ion ITB is always transient because the impurity hole triggered by the increase of ion temperature gradient causes the enhancement of ion heat transport and gradually terminates the ion ITB. The formation of an impurity hole becomes slower in the deuterium (D) plasma than the hydrogen (H) plasma. This primary isotope effect on...
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  • transport 输运
  • effect 效应
  • isotope 同位素
  • particle 颗粒
  • observed 观察到的
  • impurity 杂质
  • triggered 触发的
  • density 密度
  • secondary 二次的
  • pellet 球团矿