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Fast Ion Loss and Radial Electric Field in Wendelstein VII-L Stellarator
http://hdl.handle.net/10655/2404
http://hdl.handle.net/10655/2404ce1352bc-dd89-49d4-8a65-210b5379b92c
名前 / ファイル | ライセンス | アクション |
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NIFS-117.pdf (715.2 kB)
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Item type | 研究報告書 / Research Paper(1) | |||||
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公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Fast Ion Loss and Radial Electric Field in Wendelstein VII-L Stellarator | |||||
言語 | ||||||
言語 | eng | |||||
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 | Fast lon Loss | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Loss cone | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Radial Electric Field | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Charge Exchange Loss | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Neoclassical Transport | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Wendelstein VII-A | |||||
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 |
Itoh, K.
× Itoh, K.× Sanuki, H.× Itoh, S. - I. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Theoretical model is developed to determine the radial electric field and the fast ion loss simultaneously in stellarators, and is applied to the Wendelstein VII-A stellarator. The predicted value of the radial electric field is more closer to experiments than the purely neoclassical calculation. The loss rate, which is determined simultaneously, is in the range of experimental observations. The partition of the injection energy by the bulk heating, direct orbit loss and shine through is estimated by using the self consistent electric field profile. The orbit loss become noticeable as the injection energy increases. The influence of the neutral particles is also studied . Neutral particles enhances the negative radial electric field, and reduces the direct orbit loss by the expense of the charge exchange loss. The impact of the increased radial electric field on the neoclassical ion thermal energy loss is compared to the direct loss of fast ions. The reduction of the neoclassical loss is much smaller than the orbit loss. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1991-10-01 |
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報告書番号 | ||||||
NIFS-117 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |