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Possible Control Scenario of Radial Electric Field by Loss-Cone-Particle Injection into Helical Device
http://hdl.handle.net/10655/160
http://hdl.handle.net/10655/16040e2fb52-bf62-4862-baf3-1b0621be2aca
名前 / ファイル | ライセンス | アクション |
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NIFS-607.pdf (914.4 kB)
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Item type | 研究報告書 / Research Paper(1) | |||||
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公開日 | 2009-02-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Possible Control Scenario of Radial Electric Field by Loss-Cone-Particle Injection into Helical Device | |||||
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 |
Motojima, O.
× Motojima, O.× Shishkin, A. A.× Inagaki, S.× Watanabe, K. Y. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The possibility of controlling the radial electric field of toroidal plasmas by injecting high energy electrons along the reversible loss cone orbit of the helical magnetic traps is investigated. It is well known that the radial electric field plays an important role in the confinement improvement scenario especially in the low collisional regime under the physics picture of neoclassical theory. For this purpose, it is made clear that the most suitable particles are transit particles, which show a transition from helically trapped orbits to blocked ones. It is also found that a parallel AC electric field launched from outside assists this transition and makes it possible for particles to penetrate deeply into the plasma. In addition we clarify that the viscosity of the plasma coupled with the helical field configuration provide a bifurcation of plasma states and its stable solution results in confinement improvement. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1999-08-01 |
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報告書番号 | ||||||
NIFS-607 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |