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Isotope effects under the influence of global radial electric fields in a helical configuration
http://hdl.handle.net/10655/00013517
http://hdl.handle.net/10655/0001351775b25ed1-1d2d-41a3-bd4a-5d6c5e43fe25
名前 / ファイル | ライセンス | アクション |
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13594_Nucl.Fusion (2.9 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-11-11 | |||||
タイトル | ||||||
タイトル | Isotope effects under the influence of global radial electric fields in a helical configuration | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | stellarator | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | gyrokinetic simulation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | isotope effect | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | radial electric field | |||||
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 |
MORITAKA, Toseo
× MORITAKA, Toseo× SUGAMA, Hideo× COLE, Michael× HAGER, Robert× KU, Seung-Hoe× CHANG, Choong-Seock× ISHIGURO, Seiji |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-2513-0453 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Isotope effects under the influence of a radial electric field are examined in a helical magnetic field configuration. We perform global gyrokinetic simulations with additional poloidal rotations to estimate quasi-linear heat flux due to ion temperature gradient mode under the mixing length model. In single-ion-species plasmas, the mass number dependency of heat flux agrees with gyro-Bohm scaling in the absence of a radial electric field. Favorable mass number dependencies violating gyro-Bohm scaling are observed in the presence of a global radial electric field or a heavy hydrogen component in multi-ion-species plasmas. The radial electric field and the heavy hydrogen component affect the heat flux through an increase of wavelength as well as mode stabilization. Poloidal Mach number characterizes the transition from unfavorable to favorable mass number dependency under radial electric fields. While the heat flux is independent of mass number for a given poloidal Mach number, the heat flux decreases for higher mass numbers in a given radial electric field. The heat flux is also independent of average mass number in multi-ion-species plasmas because the heavy hydrogen component effectively enhances the light hydrogen heat flux. The present results are potentially relevant to the violation of gyro-Bohm scaling observed in the recent deuterium experiments in the Large Helical Device. | |||||
書誌情報 |
Nuclear Fusion 巻 62, 号 12, p. 126059, 発行日 2022-11-07 |
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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/ac95ab | |||||
権利 | ||||||
権利情報 | © 2022 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 must maintain attributionto the author(s) and the title of the work, journal citation and DOI. | |||||
情報源 | ||||||
関連名称 | T. Moritaka et al 2022 Nucl. Fusion 62 126059 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1741-4326/ac95ab | |||||
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 | ||||||
13594 |