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Density Fluctuation in JIPP T-IIU Tokamak Plasmas Measured by a Heavy Ion Beam Probe
http://hdl.handle.net/10655/2964
http://hdl.handle.net/10655/29640fb4538f-73ef-4568-b0fb-459f0b369e9e
Item type | 研究報告書 / Research Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Density Fluctuation in JIPP T-IIU Tokamak Plasmas Measured by a Heavy Ion Beam Probe | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | tokamak | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | turbulence | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | HIBP | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | NBI | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
"Hamada, Y.
× "Hamada, Y.× Nishizawa, A.× Kawasumi, Y.× Fujisawa, A.× Narihara, K.× Ida, K.× Ejiri, A.× Ohdachi, S.× Kawahata, K.× Toi, K.× Sato, K.× Seki, T.× Iguchi, H.× Adachi, K.× Hidekuma, S.× Hirokura, S.× Iwasaki, K.× Ido, T.× Kojima, M.× Koong, J.× Kumazawa, R.× Kuramoto, H.× Minami, T.× Nomura, I.× Sakakita, H.× Sasao, M.× Sato, K.N.× Tsuzuki, T.× Xu, J.× Yamada, I.× Watari, T." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "Multiple and small sample-volume measurements of the density turbulence and potential profile measurement in tokamak plasmas were conducted by a heavy ion beam probe. The obtained wavenumber/frequency spectrum S(k,omega) shows that the cross-section of NBI heated plasmas is divided into three regions of different turbulence characteristics. Outside the reversal layer of poloidal propagation direction of density turbulence, a low-frequency and low-wavenumber mode with ion diamagnetic drift direction dominates. The region encircled by the reversal layer is divided into two parts at nearly perpendicular NBI heating, the region where the propagation velocity is near the E_r/B_t poloidal rotation velocity and the bad-curvature region of very small wavenumber and high propagation velocity. The region of high propagation velocity, found in NBI plasmas, disappears in ohmic plasmas. In addition, a small component which propagates in the ion diamagnetic drift direction is observed in NBI plasmas." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1996-11-01 |
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報告書番号 | ||||||
NIFS-461 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |