Isotope effect in transient electron thermal transport property and its impact on the electron internal transport barrier formation in LHD

T. Kobayashi; K. Ida; K. Tanaka; M. Yoshinuma; T.li Tsujimura; S. Inagaki; T. Tokuzawa; H. Tsuchiya; N. Tamura; H. Igami; Y. Yoshimura; S.-I. Itoh; K. Itoh

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Isotope effect in transient electron thermal transport property and its impact on the electron internal transport barrier formation in LHD

机译：同位素效应于瞬态电子热运输性能及其对LHD中电子内部运输屏障形成的影响

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In this study, we perform a comprehensive comparison of the transport hysteresis width in deuterium (D) plasmas, hydrogen (H) plasmas, and D-H mixed plasmas. The core focused modulation electron cyclotron resonance heating (MECH) is applied as the heat source perturbation, and the heat flux is evaluated using the energy conservation equation with the measured electron temperature response and the ECH deposition profile calculated by the ray-tracing scheme. Systematic density scan in plasmas with different ion mass reveals that there is no significant isotope effect in their hysteresis width. It is found that plasmas with heavier isotope mass can easily form the electron internal transport barrier. As the hysteresis width is insensitive to the isotope mass, the classical part of the diffusivity is considered to be responsible for the isotope effect in the transport barrier formation.

机译：在这项研究中，我们对氘（D）等离子体，氢气（H）等离子体和D-H混合等离子体进行了全面的运输滞后宽度比较。将核心聚焦调制电子回旋共振加热（机械）作为热源扰动施加，并且使用具有测量的电子温度响应的节能方程和通过光线跟踪方案计算的ECH沉积轮廓来评估热通量。具有不同离子质量的等离子体中的系统密度扫描显示，在滞后宽度下没有显着的同位素效应。发现具有较重同位素质量的血浆可以容易地形成电子内部传输屏障。随着滞后宽对同位素质量不敏感，漫射率的典型部分被认为是对运输屏障形成中的同位素效应的原因。

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来源
《Nuclear fusion》 |2020年第7期|076015.1-076015.9|共9页
作者
T. Kobayashi; K. Ida; K. Tanaka; M. Yoshinuma; T.li Tsujimura; S. Inagaki; T. Tokuzawa; H. Tsuchiya; N. Tamura; H. Igami; Y. Yoshimura; S.-I. Itoh; K. Itoh;
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作者单位

National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan The Graduate University for Advanced Studies SOKENDAI Toki 509-5292 Japan;

National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan;

National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan;

National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan;

National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan;

Research Institute for Applied Mechanics Kyushu University Kasuga 816-8580 Japan Research Center for Plasma Turbulence Kyushu University Kasuga 816-8580 Japan;

National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan;

National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan;

National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan;

National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan;

National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan;

Research Center for Plasma Turbulence Kyushu University Kasuga 816-8580 Japan Research Institute for Applied Mechanics Kyushu University Kasuga 816-8580 Japan Graduate School of Engineering Chubu University Kasugai 487-8501 Japan;

Institute of Science and Technology Research Chubu University Kasugai 487-8501 Japan National Institute for Fusion Science National Institutes of Natural Sciences Toki 509-5292 Japan Research Center for Plasma Turbulence Kyushu University Kasuga 816-8580 Japan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
isotope effect; transient transport; transport hysteresis; heat pulse propagation; stellarator/heliotron; internal transport barrier;

机译：同位素效应;瞬态运输;运输滞后;热脉冲传播;螺旋桨/ Heliotron;内部运输障碍;

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1. Transition phenomena and thermal transport properties in LHD plasmas with an electron internal transport barrier [J] . T. Shimozuma, S. Kubo, H. Idei, Nuclear fusion . 2005,第11期

机译：具有电子内部传输壁垒的LHD等离子体中的跃迁现象和热传输性质
2. Density dependence of transient electron thermal transport property in LHD [J] . Kobayashi T., Ida K., Li Tsujimura T., Nuclear fusion . 2018,第12期

机译：LHD中瞬态电子热传输特性的密度依赖性
3. Stable sustainment of plasmas with electron internal transport barrier by ECH in the LHD [J] . Yoshimura Y., Kasahara H., Tokitani M., Plasma physics and controlled fusion . 2018,第2期

机译：通过ECHD在LHD中通过电子内部运输屏障稳定的等离子体维持
4. BEHAVIOR OF ELECTRON AND ION TRANSPORT IN DISCHARGES WITH AN INTERNAL TRANSPORT BARRIER IN THE DIII-D TOKAMAK [C] . C.M. GREENFIELD, C.L. RETTIG, G.M. STAEBLER, Fusion energy 1998 . 1998

机译：DIII-D托卡马克中电子和离子在带内部传输壁垒的放电中的传输行为
5. Measurement and transport modeling with momentum conservation of an electron internal transport barrier in HSX. [D] . Lore, Jeremy David. 2010

机译：HSX中电子内部传输势垒的动量守恒测量和传输建模。
6. Thermal and Electronic Transport Properties of the Half-Heusler Phase ScNiSb [O] . Karol Synoradzki, Kamil Ciesielski, Igor Veremchuk, 2019

机译：半霍斯勒相ScNiSb的热和电子输运性质
7. Stable sustainment of plasmas with electron internal transport barrier by ECH in the LHD [O] . Y Yoshimura, H Kasahara, M Tokitani, 2017

机译：通过ECHD在LHD中具有电子内部运输屏障的等离子体的稳定维持
8. Possibility of internal transport barrier formation and electric field bifurcation in LHD plasma [R] . Sanuki, H. , Itoh, K. , Yokoyama, M. , 1999

机译：LHD等离子体中内部传输屏障形成和电场分叉的可能性

Isotope effect in transient electron thermal transport property and its impact on the electron internal transport barrier formation in LHD

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