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Verification and validation of integrated simulation of energetic particles in fusion plasmas
http://hdl.handle.net/10655/00012828
http://hdl.handle.net/10655/000128286c554b44-1972-4cea-9497-732056c564a9
名前 / ファイル | ライセンス | アクション |
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Nucl.Fusion_59_pp066006 (11.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-12-22 | |||||
タイトル | ||||||
タイトル | Verification and validation of integrated simulation of energetic particles in fusion plasmas | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | RSAE | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Alfvén eigenmodes | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | DIII-D tokamak | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | TAE | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | verification and validation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | simulations | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | benchmark | |||||
キーワード | ||||||
主題Scheme | Other | |||||
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 |
TAIMOURZADEH, S.
× TAIMOURZADEH, S.× BASS, E.M.× Chen, Y.× COLLINS, C.× GORELEKOV, Nikolai× Könies, Axel× LU, Z.X.× SPONG, Donald A.× TODO, Yasushi× Austin, M.E.× BAO, J.× BIANCALANI, Alessandro× BORCHARDT, M.× BOTTINO, A.× Heidbrink, W.W.× Kleiber, Ralf× LIN, Z.× MISHCHENKO, Alexey× SHI, L.× Varela, J.× WALTZ, R.E.× YU, G.× Zhang, W.L. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper reports verification and validation of linear simulations of Alfvén eigenmodes in the current ramp phase of DIII-D L-mode discharge #159243 using gyrokinetic, gyrokinetic-MHD hybrid, and eigenvalue codes. Using a classical fast ion profile, all simulation codes find that reversed shear Alfvén eigenmodes (RSAE) are the dominant instability. The real frequencies from all codes have a coefficient of variation of less than 5% for the most unstable modes with toroidal mode number n = 4 and 5. The simulated RSAE frequencies agree with experimental measurements if the minimum safety factor is adjusted, within experimental errors. The simulated growth rates exhibit greater variation, and simulations find that pressure gradients of thermal plasmas make a significant contribution to the growth rates. Mode structures of the dominant modes agree well among all codes. Moreover, using a calculated fast ion profile that takes into account the diffusion by multiple unstable modes, a toroidal Alfvén eigenmode (TAE) with n = 6 is found to be unstable in the outer edge, consistent with the experimental observations. Variations of the real frequencies and growth rates of the TAE are slightly larger than those of the RSAE. Finally, electron temperature fluctuations and radial phase shifts from simulations show no significant differences with the experimental data for the strong n = 4 RSAE, but significant differences for the weak n = 6 TAE. The verification and validation for the linear Alfvén eigenmodes is the first step to develop an integrated simulation of energetic particles confinement in burning plasmas incorporating multiple physical processes. | |||||
書誌情報 |
Nuclear Fusion 巻 59, 号 6, p. 066006, 発行日 2019-04-26 |
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出版者 | ||||||
出版者 | Nuclear Fusion | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00295515 | |||||
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 | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1088/1741-4326/ab0c38 | |||||
権利 | ||||||
権利情報 | This is the Accepted Manuscript version of an article accepted for publication in Nuclear Fusion. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi.org/10.1088/1741-4326/ab0c38. | |||||
権利 | ||||||
権利情報 | © EURATOM 2019 | |||||
情報源 | ||||||
関連名称 | Citation S. Taimourzadeh et al 2019 Nucl. Fusion 59 066006 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1741-4326/ab0c38 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
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