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Implementation of Neoclassical Effects in Momentum Transport Analysis at LHD
http://hdl.handle.net/10655/00013311
http://hdl.handle.net/10655/00013311ff51348e-0941-4de8-b184-389a9fda5e81
名前 / ファイル | ライセンス | アクション |
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10662_PFR (1.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-06-29 | |||||
タイトル | ||||||
タイトル | Implementation of Neoclassical Effects in Momentum Transport Analysis at LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | momentum transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | neoclassical viscosity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | neoclassical driving torque | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | bulk-ion/impurity velocity difference | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | momentum flux-gradient relation | |||||
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 |
BECKERS, Jasper
× BECKERS, Jasper× IDA, Katsumi× YOSHINUMA, Mikirou× EMOTO, Masahiko× SEKI, Ryosuke× YOKOYAMA, Masayuki× JASPERS, Roger |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Plasma rotation plays an important role in the suppression of turbulence, leading to an increase in energy and particle confinement. Significant rotation also leads to a stabilisation of the resistive wall mode. The external momentum input from Neutral Beam Injection (NBI) in current generation fusion plasmas may not be available for future self-heated fusion reactors. Therefore it is important to analyse the phenomenon of spontaneous rotation. At NIFS plasma rotation and momentum transport of the Large Helical Device (LHD) plasma is analysed using a code suite called TASK3D-a. In this work neoclassical effects, which can be especially significant in non-axisymmetric plasmas, were implemented in TASK3D-a. Initial analysis of neoclassical radial momentum flux profiles shows that in NBI-driven momentum input neoclassical effects, especially neoclassical damping, become dominant in the non-center plasma region. It was also found that during and after pellet-injection the neoclassical damping force becomes strong. With the implementation of neoclassical effects new features can be examined in the momentum flux-gradient relations; in the damping-dominated situation following pellet injection a large excursion in momentum flux is found. This work can aid in the search for neoclassical transport-optimised configurations for enhanced (spontaneous) plasma rotation. | |||||
書誌情報 |
Plasma and Fusion Research 巻 12, p. 1402006, 発行日 2017-02-21 |
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出版者 | ||||||
出版者 | The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1880-6821 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12346675 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1585/pfr.12.1402006 | |||||
権利 | ||||||
権利情報 | (c) 2017 The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1585/pfr.12.1402006 | |||||
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 | ||||||
10662 |