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Simulation of Burning Plasma Dynamics in ITER
http://hdl.handle.net/10655/2321
http://hdl.handle.net/10655/232150c086d9-3262-4f37-8661-726ee329a625
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 | Simulation of Burning Plasma Dynamics in ITER | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Burning plasma | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ITER | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | transient dynamics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | confinement improvement | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma profiles | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | pumping | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | fueling | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Sawteeth | |||||
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 |
"Wang, J.F.
× "Wang, J.F.× Amano, T.× Ogawa, Y.× Inoue, N." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "Dynamics of burning plasma for various transient situations in ITER plasma has been simulated with a 1.5-dimensional up-down asymmetry Tokamak Transport Simulation Code (TTSC). We have mainly paid attention to intrinsic plasma transport processes such as the confinement improvement and the change of plasma profiles. It is shown that a large excursion of the fusion power takes place with a small improvement of the plasma confinement; e.g., an increase of the global energy confinement by a factor of 1.22 yields the fusion power excursion of ~ 30% within a few seconds. Any feedback control of fueling D-T gas is difficult to respond to this short time scale of fusion power transient. The effect of the plasma profile on the fusion power excursion has been studied, by changing the particle transport denoted by the inward pinch parameter C_v It is found that the fusion power excursion is mild and slow, and the feedback control is quite effective in suppressing the fusion power excursion and in shortening the duration time of power transient in this case. The change in the pumping efficiency has also been studied and a large excursion of the fusion power has not been observed, because of the decrease in the fuel density itself in the case of the increase in the pumping efficiency, and the helium ash accumulation in the case of the decrease in the pumping efficiency. Finally it is shown that the MHD sawteeth activity leads to the fusion power fluctuation of pm 20%, although it is helpful for the helium ash exhaust." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1996-02-01 |
|||||
報告書番号 | ||||||
NIFS-398 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |