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Real-time wall conditioning and recycling modification utilizing boron and boron nitride powder injections into the Large Helical Device
http://hdl.handle.net/10655/00013564
http://hdl.handle.net/10655/0001356494a31cc5-7ebd-44eb-8dcf-32bbb987ce77
名前 / ファイル | ライセンス | アクション |
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Nucl._Fusion_62_086021 (2.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2023-03-03 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Real-time wall conditioning and recycling modification utilizing boron and boron nitride powder injections into the Large Helical Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | boronization | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | recycling control | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | wall conditioning | |||||
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 | |||||
著者 |
LUNSFORD, Robert
× LUNSFORD, Robert× MASUZAKI, Suguru× NESPOLI, Federico× ASHIKAWA, Naoko× GILSON, Eric× GATES, David A.× IDA, Katsumi× KAWAMURA, Gakushi× MORISAKI, Tomohiro× NAGY, Alex× OISHI, Tetsutarou× SHOJI, Mamoru× SUZUKI, Chihiro× YOSHINUMA, Mikirou |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-3588-6801 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Controlled particulate injections from the PPPL impurity powder dropper (IPD) into the Large Helical Device have demonstrated positive effects on the wall conditions on both an intra and inter-shot basis. Injections over a range of densities, input powers, pulse lengths, heating schemes, injection quantities and main ion species show conclusive evidence of improvement to plasma wall conditions. Successful injections are confirmed by both spectroscopic measurements as well as real-time visible camera signals. In 7 s long plasmas the responses include a reduction in wall recycling as well as a reduction in native impurity content as observed over the course of several discharges. For plasmas longer than 40 s, improvements to the recycling rate and increased impurity control are observed in real time as a consequence of the extended particulate injections. These experiments demonstrate the extended applicability of this solid particulate conditioning technique to the control and maintenance of the plasma wall conditions. In addition they are an important initial step in the development of the real-time boronization technique as a supplement to standard conditioning scenarios. | |||||
書誌情報 |
Nuclear Fusion 巻 62, 号 8, p. 086021, 発行日 2022-06-16 |
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出版者 | ||||||
出版者 | IOP Publishing | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0029-5515 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00759871 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1088/1741-4326/ac6ff5 | |||||
権利 | ||||||
権利情報 | This is the Accepted Manuscript version of an article accepted for publication in Nuclear Fusion. | |||||
権利 | ||||||
権利情報 | IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. | |||||
権利 | ||||||
権利情報 | The Version of Record is available online at https://doi.org/10.1088/1741-4326/ac6ff5. | |||||
情報源 | ||||||
関連名称 | R. Lunsford et al 2022 Nucl. Fusion 62 086021 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://doi.org/10.1088/1741-4326/ac6ff5 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |