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Regulation of Turbulent Transport in Neoclassically Optimized Helical Configurations with Radial Electric Fields
http://hdl.handle.net/10655/3199
http://hdl.handle.net/10655/31991efc85d4-ee70-4078-896f-828db93c6511
名前 / ファイル | ライセンス | アクション |
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NIFS-916.pdf (1.0 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 | Regulation of Turbulent Transport in Neoclassically Optimized Helical Configurations with Radial Electric Fields | |||||
言語 | ||||||
言語 | eng | |||||
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 |
Watanabe, T.-H.
× Watanabe, T.-H.× Sugama, H.× S., Ferrando-Margalet |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Gyrokinetic Vlasov simulations of the ion temperature gradient turbulence demonstrate reduction of the turbulent transport with enhanced zonal-flow generation in the neoclassically optimized helical configuration as predicted by the theoretical analysis of the zonal-flow response. The inward-shifted plasma of the Large Helical Device, thus, has better confinement than that with the standard magnetic axis position, which is consistent with the experimental results. The zonal-flow response is also investigated for case with the equilibrium radial electric field that can be generated by the ambipolar neoclassical particle transport in helical systems. The gyrokinetic theory and simulation clarify that the poloidal ExB rotation of the helically trapped particles enhances the zonal flow response which can lead to further reduction of the turbulent transport. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 2008-10-01 |
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報告書番号 | ||||||
NIFS-916 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |