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Behavior of Magnetic Islands in 3D MHD Equilibria of Helical Devices
http://hdl.handle.net/10655/2813
http://hdl.handle.net/10655/281376dbc358-698d-4bf8-adcb-912baadca276
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 | Behavior of Magnetic Islands in 3D MHD Equilibria of Helical Devices | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | helical system | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | heliac | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | heliotron | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | torsatron | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | stellarator | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | three dimensional equilibrium | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | beta limit | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | magnetic island | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | self-healing of magnetic island | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | finite pressure effect | |||||
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 |
"Hayashi, T.
× "Hayashi, T.× Sato, T.× Nakajima, N.× Ichiguchi, K.× Merkel, P.× Nuhrenberg, J.× Schwenn, U.× Gardner, H.× Bhattacharjee, A.× Hegna, C.C." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Magnetic island formation in three-dimensional finite-beta equilibria in the H-1 Heliac is studied by using the HINT code. It is found that the size of a dangerous island should increase with beta but that a destruction of the equilibrium at low beta is avoided because the rotational transform evolves to exclude the rational surface concerned. At higher beta there is evidence of near-resonant flux surface deformations which may lead to an equilibrium limit. A reconnected equilibrium at still higher beta exhibits a double island structure which is similar to homoclinic phase portraits which have been observed after separatrix reconnection in Hamiltonian systems. Physical mechanism of the island formation in finite-beta helical equilibria is investigated to confirm there are cases where the global effect of the Pfirsch-Schluter currents is important. The earlier theory is extended to elucidate the occurrence of the complete self-healing of island when the resistive interchange criterion satisfied. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1994-09-01 |
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報告書番号 | ||||||
NIFS-305 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |