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Effect of Rotational Transform on Thermal Transport in Stellarator-Heliotron Plasmas on LHD
http://hdl.handle.net/10655/00012692
http://hdl.handle.net/10655/000126924a553d66-9318-4885-a0ff-6344a23939a7
名前 / ファイル | ライセンス | アクション |
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J.Fusion_Energ.36_pp197 (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 | 2021-12-07 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effect of Rotational Transform on Thermal Transport in Stellarator-Heliotron Plasmas on LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Stellarator–heliotron | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Rotational transform | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Aspect ratio | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Heat diffusivity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Energy confinement time | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Turbulent transport | |||||
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 |
YAMADA, Hiroshi
× YAMADA, Hiroshi× YOKOYAMA, Masayuki× SEKI, Ryosuke× SUZUKI, Chihiro× MURAKAMI, Sadayoshi× YOSHIMURA, Yasuo× Yamaguchi, Hiroyuki× Maeta, S. |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-4546-3167 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Experimental evidence that indicates a positive effect of rotational transform on thermal transport has been shown for electron cyclotron heated plasmas on large helical device (LHD). Although this positive dependence was suggested by earlier scaling studies on energy confinement time, there was a concern that rotational transform is strongly correlated with another major non-dimensional parameter, that is, aspect ratio, in stellarator–heliotron systems. A careful experiment to exclude correlation between these two non-dimensional parameters was carried out on LHD by means of combining helical coil pitch control and limiter insertion. Plasmas with similar aspect ratio but different rotational transform have been compared in terms of global energy confinement time and local heat diffusivity. Energy confinement time increases with the rotational transform. Also the comparison of plasmas dimensionally similar in terms of normalized gyro-radius, collisionality, normalized pressure and aspect ratio has indicated that thermal transport improves with rotational transform. Since the plasmas studied here are dominated by turbulent transport rather than neoclassical transport, the identified feature, common to toroidal plasmas with tokamak, will stimulate the challenge to resolve the origin of the favorable effect of poloidal field and the compatibility with drift turbulence theory. | |||||
書誌情報 |
en : Journal of Fusion Energy 巻 36, p. 197-203, 発行日 2017-11-08 |
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出版者 | ||||||
出版者 | Springer Nature | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 01640313 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10620368 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s10894-017-0144-z | |||||
権利 | ||||||
権利情報 | (c) Springer Science+Business Media, LLC, part of Springer Nature 2017 | |||||
情報源 | ||||||
関連名称 | Yamada, H., Yokoyama, M., Seki, R. et al. Effect of Rotational Transform on Thermal Transport in Stellarator–Heliotron Plasmas on LHD. J Fusion Energ 36, 197–203 (2017). https://doi.org/10.1007/s10894-017-0144-z | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1007/s10894-017-0144-z | |||||
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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