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A study of beam ion and deuterium–deuterium fusion-born triton transports due to energetic particle-driven magnetohydrodynamic instability in the large helical device deuterium plasmas
http://hdl.handle.net/10655/00013180
http://hdl.handle.net/10655/0001318052207ede-7593-4b7d-b937-3d6e16e03b1c
名前 / ファイル | ライセンス | アクション |
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12339_Nucl._Fusion (4.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-06-01 | |||||
タイトル | ||||||
タイトル | A study of beam ion and deuterium–deuterium fusion-born triton transports due to energetic particle-driven magnetohydrodynamic instability in the large helical device deuterium plasmas | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | large helical device | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | energetic particle confinement | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetohydrodynamic instability | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | neutron diagnostics | |||||
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 |
OGAWA, Kunihiro
× OGAWA, Kunihiro× ISOBE, Mitsutaka× NUGA, Hideo× KAMIO, Shuji× FUJIWARA, Yutaka× KOBAYASHI, Makoto× SANGAROON, Siriyaporn× TAKADA, Eiji× SEKI, Ryosuke× YAMAGUCHI, Hiroyuki× MURAKAMI, Sadayoshi× JO, J.× OSAKABE, Masaki |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-4555-1837 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Understanding energetic particle transport due to magnetohydrodynamic instabilities excited by energetic particles is essential to apprehend alpha particle confinement in a fusion burning plasma. In the large helical device (LHD), beam ion and deuterium–deuterium fusion-born triton transport due to resistive interchange mode destabilized by helically-trapped energetic ions (EIC) are studied employing comprehensive neutron diagnostics, such as the neutron flux monitor and a newly developed scintillating fiber detector characterized by high detection efficiency. Beam ion transport due to EIC is studied in deuterium plasmas with full deuterium or hydrogen/deuterium beam injections. The total neutron emission rate (Sn) measurement indicates that EIC induces about a 6% loss of passing transit beam ions and a 60% loss of helically-trapped ions. The loss rate of helically-trapped ions, which drive EIC, is larger than the loss rate of passing transit beam ions. Furthermore, the drop of Sn increasing linearly with the EIC amplitude shows that barely confined beam ions existing near the confinement-loss boundary are lost due to EIC. In full deuterium conditions, a study of deuterium–deuterium fusion-born triton transport due to EIC is performed by time-resolved measurement of total secondary deuterium–tritium neutron emission rate (Sn_DT). Drop of Sn_DT increases substantially with EIC amplitude to the third power and reaches up to 30%. The relation shows that not only tritons confined in confined-loss boundary, but also tritons confined in the inner region of a plasma, are substantially transported. | |||||
書誌情報 |
Nuclear Fusion 巻 61, 号 9, p. 096035, 発行日 2021-08-17 |
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出版者 | ||||||
出版者 | IOP Publishing | |||||
出版者 | ||||||
出版者 | International Atomic Energy Agency | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0029-5515 | |||||
論文ID(NAID) | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | NAID | |||||
関連識別子 | AA00759871 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1741-4326/ac0d8a | |||||
権利 | ||||||
権利情報 | © 2021 The Author(s). | |||||
権利 | ||||||
権利情報 | Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. | |||||
権利 | ||||||
権利情報 | Any further distribution of this work mustmaintain attribution to the author(s) and the title of the work, journal citation and DOI. | |||||
情報源 | ||||||
関連名称 | K. Ogawa et al 2021 Nucl. Fusion 61 096035 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1741-4326/ac0d8a | |||||
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 | |||||
NAIS | ||||||
12339 |