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Simulations of runaway electron generation including the hot-tail effect
https://repo.qst.go.jp/records/48337
https://repo.qst.go.jp/records/48337d3d6a6be-362d-4927-99d6-8d0466b5722f
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2017-09-21 | |||||
| タイトル | ||||||
| タイトル | Simulations of runaway electron generation including the hot-tail effect | |||||
| 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_6501 | |||||
| 資源タイプ | journal article | |||||
| 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 |
Nuga, H.
× Nuga, H.× Yagi, M.× Fukuyama, A.× 矢木 雅敏 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | The hot-tail (H-T) effect in disruption of impurity injections is considered. The contribution of the H-T effect to runaway electron (RE) current, which arises from fast thermal quenching, is studied using a two-dimensional Fokker–Planck simulation. It is found that in a high-density plasma the total RE current is reduced owing to the high collisionality. We also found that if the thermal quench is fast enough to invoke the H-T effect, the effect produces more seed REs than when the H-T effect is excluded even in high-density plasmas. In the high-density region (ne ∼ 1021 m−3) with fast thermal quenching, nevertheless the increment of the seed REs due to the H-T effect is generally small (tens of milliamperes) while the increment of the total RE current reached 2 MA owing to the avalanche effect. | |||||
| 書誌情報 |
Nuclear Fusion 巻 57, 号 8, p. 086011-1-086011-9, 発行日 2017-06 |
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| 出版者 | ||||||
| 出版者 | IOPScience | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1088/1741-4326/aa7367 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://iopscience.iop.org/article/10.1088/1741-4326/aa7367/pdf | |||||
| 関連名称 | http://iopscience.iop.org/article/10.1088/1741-4326/aa7367/pdf | |||||
