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Drift-kink Instability Induced by Beam Ions in Field-reversed Configurations
http://hdl.handle.net/10655/2948
http://hdl.handle.net/10655/29486dbd7b67-6f75-472c-be04-291b71287239
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 | Drift-kink Instability Induced by Beam Ions in Field-reversed Configurations | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | FRC plasmas | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | drift-kink instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | tilt instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | particle simulation | |||||
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 |
"Nishimura, K.
× "Nishimura, K.× Horiuchi, R.× Sato, T." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The drift-kink instability in field-reversed configurations with a beam component is investigated by means of a three-dimensional particle simulation. The unstable mode with the toroidal mode number n = 4 grows with the rate gamma ~ 0.1 - 1.0 omega_ci for a strong beam current and deforms the plasma profile along the beam orbit in the vicinity of the field-null line. This mode is nonlinearly saturated as a result of the relaxation of current profile. Both the saturation leve1 and the growth rate tend to increase as the ratio of the beam current to the plasma current I_b/I_p increases. It is also found that there is a threshold value of the beam velocity upsilon_b ~ upsilon_Ti (ion thermal velocity) for the excitation of the instability. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1999-04-01 |
|||||
報告書番号 | ||||||
NIFS-595 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |