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Scrape-off layer width set by non-linear streamer flows indrift wave turbulence
https://repo.qst.go.jp/records/80028
https://repo.qst.go.jp/records/800289eedee9b-f1d2-41d9-8021-610146631adb
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2020-06-09 | |||||
| タイトル | ||||||
| タイトル | Scrape-off layer width set by non-linear streamer flows indrift wave turbulence | |||||
| 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 |
Kosuga, Y.
× Kosuga, Y.× Kin, Fumiyoshi× Sasaki, M.× Kin, Fumiyoshi |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | In this work, we discuss the physics behind the excitation of non-linear streamerflows in drift wave turbulence and how to selectively excite these flows. Streamerflows are modelled as a non-linear, radially elongated convective cell in driftwave turbulence. It is shown that density modulation is key for exciting streamerflows. We show that streamer flows have a finite frequency, albeit smaller thanthat of drift waves. Streamers propagate in the ion direction. These theoreticalpredictions are compared against experimental data, which shows reasonableagreement. Finally, the scrape-off layer width set by streamer flows is calculated,and a scaling law against macroscopic plasma parameters is obtained. | |||||
| 書誌情報 |
Contributions to Plasma Physics 巻 60, 号 5-6, 発行日 2020-03 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 1521-3986 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1002/ctpp.201900141 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://onlinelibrary.wiley.com/doi/full/10.1002/ctpp.201900141?af=R | |||||
