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Nonlinear MHD Analysis for LHD Plasmas
http://hdl.handle.net/10655/3087
http://hdl.handle.net/10655/3087b62102f9-d6b8-438e-842e-02eade25356e
名前 / ファイル | ライセンス | アクション |
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NIFS-747.pdf (2.1 MB)
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Item type | 研究報告書 / Research Paper(1) | |||||
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公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Nonlinear MHD Analysis for LHD Plasmas | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | IAEA | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | fusion energy conference | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Lyon | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
著者 |
Ichiguchi, K.
× Ichiguchi, K.× Nakajima, N.× Wakatani, M.× Carreras, B.A. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The nonlinear behavior of the interchange modes with multi-helicity in the Large Helical Device is analyzed based on the reduced MHD equations. In the equilibrium at sufficiently low beta value, the saturation of a single mode and the following excitation of other single mode whose resonant surface is close to that of the saturated mode are slowly repeated. This sequence leads to the local deformation of the pressure profile. Increasing the beta value with the pressure profile fixed, a bursting phenomenon due to the overlap of multiple modes is observed in the kinetic energy, which results in the global reduction of the pressure profile. Increasing the beta value using the pressure profile saturated at the lower beta value suppresses the bursting behavior. This result indicates the possibility that the pressure profile is self-organized so that the LHD plasma should attain the high beta regime through a stable path. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 2002-10-01 |
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報告書番号 | ||||||
NIFS-747 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |