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Experimental observations and modelling of radiation asymmetries during N2 seeding in LHD
https://repo.qst.go.jp/records/84339
https://repo.qst.go.jp/records/84339ff13b259-5aba-413e-9159-ac4a46e4b93a
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2021-09-29 | |||||
| タイトル | ||||||
| タイトル | Experimental observations and modelling of radiation asymmetries during N2 seeding in LHD | |||||
| 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 | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
Peterson, B.J.
× Peterson, B.J.× Kawamura, G.× van de Giessen, P.L.× Mukai, K.× Tanaka, H.× Ryuichi, Sano× Pandya, S.N.× Dai, S.Y.× Masuzaki, S.× Akiyama, T.× Kobayashi, M.× Goto, M.× Motojima, G.× Sakamoto, R.× Ohno, N.× Morisaki, T.× Miyazawa, J.× Ryuichi, Sano |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | N2 gas has been seeded in the Large Helical Device (LHD) to reduce the divertor heat load through enhanced radiation. Radiation is observed by two imaging bolometers, viewing the same poloidal cross-section from top and bottom ports, at a location which is 36° toroidally removed from the N2 gas puff nozzle located at the bottom of the machine. During N2 seeding, these measurements both confirm that additional radiation from the outboard side is coming exclusively from the top of the cross-section, indicating up/down asymmetry, which is also reproduced by modelling with EMC3-EIRENE using a half torus model. In addition, a toroidally localized, magnetic field direction-dependent radiation enhancement is observed with N2 seeding, but is not reproducible by the model. | |||||
| 書誌情報 |
Nuclear Materials and Energy 巻 26, p. 100848, 発行日 2021-03 |
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| 出版者 | ||||||
| 出版者 | Elsevier | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 2352-1791 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1016/j.nme.2020.100848 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://www.sciencedirect.com/science/article/pii/S2352179120301162?via%3Dihub | |||||
