Parameter Regime of Ion Internal Transport Barrier Formation in the Large Helical Device

Kenichi NAGAOKA; Yasuhiko TAKEIRI; Katsumi IDA; Mikiro YOSHINUMA; Shigeru MORITA; Naoki TAMURA; Takeshi IDO; Akihiro SHIMIZU; Katsunori IKEDA; Masaki OSAKABE; Katsuyoshi TSUMORI; Haruhisa NAKANO; LHD Experiment Group

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Parameter Regime of Ion Internal Transport Barrier Formation in the Large Helical Device

机译：大型螺旋装置中离子内部输运势垒形成的参数体系

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Improvement of ion heat transport was observed in the core plasma heated by neutral beam injection (NBI) in the Large Helical Device (LHD). A peaked ion temperature profile with a steep gradient (an ion internal transport barrier, ion ITB) formed in the plasma. To investigate the formation conditions of the ion ITB, a simple definition of ITB based on the reversal of the temperature gradient between the core and the edge is proposed. An ion ITB formed in the low-collisionality regime of 1/ν with low density and high ion heating power in the LHD.

机译：在大型螺旋装置（LHD）中，通过中性束注入（NBI）加热的核心等离子体中观察到了离子传热的改善。等离子体中形成的具有陡峭梯度的峰值离子温度曲线（离子内部传输势垒，离子ITB）。为了研究离子ITB的形成条件，提出了基于核与边缘之间的温度梯度反转的ITB的简单定义。在LHD中以低密度和高离子加热功率在1 /ν低碰撞状态下形成的离子ITB。

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《Plasma and Fusion Research》 |2010年第1期|共1页
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Kenichi NAGAOKA; Yasuhiko TAKEIRI; Katsumi IDA; Mikiro YOSHINUMA; Shigeru MORITA; Naoki TAMURA; Takeshi IDO; Akihiro SHIMIZU; Katsunori IKEDA; Masaki OSAKABE; Katsuyoshi TSUMORI; Haruhisa NAKANO; LHD Experiment Group;
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1. Formation of neoclassical internal transport barriers under various operational regimes on compact helical system [J] . Minami T, Fujisawa A, Iguchi H, Plasma physics and controlled fusion . 2004,第0期

机译：紧凑型螺旋系统在各种运行方式下新古典内部运输壁垒的形成
2. Formation of electron internal transport barrier and achievement of high ion temperature in Large Helical Device [J] . Takeiri Y., Shimozuma T., Kubo S., Physics of plasmas . 2003,第5aPta2期

机译：大型螺旋装置中电子内部传输势垒的形成和高离子温度的实现
3. Formation of electron internal transport barriers by highly localized electron cyclotron resonance heating in the large helical device [J] . Shimozuma T., Kubo S., Idei H., Plasma physics and controlled fusion . 2003,第7期

机译：大型螺旋装置中高度局限的电子回旋共振加热形成电子内部传输势垒
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5. Conformational stability from temperature-dependent infrared spectra of noble gas solutions, normal coordinate analyses, adjusted r(0) structural parameters and barrier to internal rotation of some substituted amine, hydrazine and three-membered ring compounds. [D] . Zheng, Chao. 2006

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7. Parameter Regime of Ion Internal Transport Barrier Formation in the Large Helical Device [O] . Kenichi NAGAOKA, Yasuhiko TAKEIRI, Katsumi IDA, 2010

机译：大型螺旋装置中离子内部输运势垒形成的参数体系

Parameter Regime of Ion Internal Transport Barrier Formation in the Large Helical Device

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