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Improved prediction scheme for ion heat turbulent transport
http://hdl.handle.net/10655/00013511
http://hdl.handle.net/10655/000135117582e3e3-6efe-401c-8126-36c412cc8d68
名前 / ファイル | ライセンス | アクション |
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13450_Phys.Plasmas (3.4 MB)
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VoR_Phys.Plasmas_29_102505 (1.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-10-17 | |||||
タイトル | ||||||
タイトル | Improved prediction scheme for ion heat turbulent transport | |||||
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 | |||||
著者 |
NUNAMI, Masanori
× NUNAMI, Masanori× TODA, Shinichiro× NAKATA, Motoki× SUGAMA, Hideo |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-2459-2392 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A novel scheme to predict the turbulent transport of ion heat of magnetic confined plasmas is developed by combining mathematical optimization techniques employed in data analysis approaches and first-principle gyrokinetic simulations. Gyrokinetic simulation, as a first-principle approach, is a reliable way to predict turbulent transport. However, in terms of the flux-matching [Candy et al., Phys. Plasmas 16, 060704 (2009)], quantitative transport estimates by gyrokinetic simulations incur extremely heavy computational costs. In order to reduce the costs of quantitative transport prediction based on the gyrokinetic simulations, we develop a scheme with the aid of a reduced transport model. In the scheme, optimization techniques are applied to find relevant input parameters for nonlinear gyrokinetic simulations, which should be performed to obtain relevant transport fluxes and to optimize the reduced transport model for a target plasma. The developed scheme can reduce the numbers of the gyrokinetic simulations to perform the quantitative estimate of the turbulent transport levels and plasma profiles. Utilizing the scheme, the predictions for the turbulent transport can be realized by performing the first-principle simulations once for each radial position. | |||||
書誌情報 |
Physics of Plasmas 巻 29, 号 10, p. 102505, 発行日 2022-10-12 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1070-664X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10987555 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/5.0103447 | |||||
権利 | ||||||
権利情報 | This article may be downloaded for personal use only. | |||||
権利 | ||||||
権利情報 | Any other use requires prior permission of the author and AIP Publishing. | |||||
権利 | ||||||
権利情報 | This article appeared in Physics of Plasmas 29, 102505 (2022) and may be found at https://doi.org/10.1063/5.0103447. | |||||
権利 | ||||||
権利情報 | Copyright 2022 Author(s). | |||||
権利 | ||||||
権利情報 | This article is distributed under a Creative Commons Attribution (CC BY) License. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/5.0103447 | |||||
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 | ||||||
13450 |