Observation of Resistive Wall Modes in JT-60U.
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- TAKEJI Satoru
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- TOKUDA Shinji
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- KURITA Genichi
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- SUZUKI Takahiro
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- ISAYAMA Akihiko
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- TAKECHI Manabu
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- OYAMA Naoyuki
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- FUJITA Takaaki
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- IDE Shunsuke
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- ISHIDA Shinichi
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- KAMADA Yutaka
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- OIKAWA Toshihiro
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- SAKAMOTO Yoshiteru
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- TUDA Takashi
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- the JT-60 Team
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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Description
Resistive wall modes (RWM) associated with ideal magnetohydrodynamic current-driven (βN < 0.2) and pressure-driven (βN > 2.4) kink modes with low toroidal mode number n (n = 1) have been identified in JT-60U. The pressure-driven RWM occurs at the plasma toroidal rotation of about 1% the Alfvén speed without clear continuous slowing down of the plasma toroidal rotation. Occurrence of n = 1 RWMs result in thermal quench accompanied by higher n (n ≥ 2) modes. In the case of current-driven (˜ zero β) RWMs, a thermal quench occurs only at the peripheral region just after the RWM. In contrast, a thermal quench occurs in the whole plasma region following a drastic increase in the growth rate of the RWM from the order of τw-1 (τw is the resistive diffusion time of the wall) to larger than 102 τw-1in the case of pressure-driven (high β) RWMs.
Journal
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- Journal of Plasma and Fusion Research
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Journal of Plasma and Fusion Research 78 (5), 447-454, 2002
The Japan Society of Plasma Science and Nuclear Fusion Research
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Details 詳細情報について
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- CRID
- 1390001206514065920
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- NII Article ID
- 110003827162
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- NII Book ID
- AN10401672
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- COI
- 1:CAS:528:DC%2BD38XlvVGrtbY%3D
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- NDL BIB ID
- 6173106
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- ISSN
- 09187928
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- NDL Digital Collections (NII-ELS)
- CiNii Articles
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- Abstract License Flag
- Disallowed