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Tritium Distribution Analysis on Be Limiter Tiles from JET-ITER Like Wall Campaigns using Imaging Plate Technique and β-Ray Induced X-ray Spectrometry
https://repo.qst.go.jp/records/79430
https://repo.qst.go.jp/records/79430dff83bcb-6eff-49ca-866d-0f27120de745
| Item type | 会議発表用資料 / Presentation(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2020-03-13 | |||||
| タイトル | ||||||
| タイトル | Tritium Distribution Analysis on Be Limiter Tiles from JET-ITER Like Wall Campaigns using Imaging Plate Technique and β-Ray Induced X-ray Spectrometry | |||||
| 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_c94f | |||||
| 資源タイプ | conference object | |||||
| 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 |
Lee, S.E
× Lee, S.E× Y. Hatano× Hara, M.× Masuzaki, S.× Tokitani, M.× Oyaizu, Makoto× Kurotaki, Hironori× Hamaguchi, Dai× Nakamura, Hirofumi× Asakura, Nobuyuki× Oya, Y.× Widdowson, A.× Jachmich, S.× Rubel, M,× Likonen, J.× Oyaizu, Makoto× Kurotaki, Hironori× Hamaguchi, Dai× Nakamura, Hirofumi× Asakura, Nobuyuki |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Tritium (T) distributions on the plasma-facing surfaces (PFSs) and inside castellation of Be limiter tiles from the JET tokamak with the ITER-like wall (ILW) was analyzed using imaging plate (IP) technique and -ray induced X-ray spectrometry (BIXS). Regarding to PFSs, the outer poloidal limiter (OPL) showed significantly higher T concentrations than the inner wall guard limiter (IWGL) and upper dump plate (DP). The concentration of T on OPL was high at the central part. However, deuterium (D) and metallic impurities showed maximum concentration at the edges. This difference in distributions indicated different deposition and retention mechanisms between T and D. In contrast, deposition profiles of T concentrations on the castellated surfaces extended up to ~ 5 mm into the gap, i.e. were similar to those of D and metallic impurities found by ion beam analysis. | |||||
| 会議概要（会議名, 開催地, 会期, 主催者等） | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 14 th International Symposium on Fusion Nuclear Technology | |||||
| 発表年月日 | ||||||
| 日付 | 2019-09-23 | |||||
| 日付タイプ | Issued | |||||
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Lee, S.E, Y. Hatano, Hara, M., Masuzaki, S., Tokitani, M., Oyaizu, Makoto, Kurotaki, Hironori, Hamaguchi, Dai, Nakamura, Hirofumi, Asakura, Nobuyuki, Oya, Y., Widdowson, A., Jachmich, S., Rubel, M,, Likonen, J., Oyaizu, Makoto, Kurotaki, Hironori, Hamaguchi, Dai, Nakamura, Hirofumi, Asakura, Nobuyuki, n.d., Tritium Distribution Analysis on Be Limiter Tiles from JET-ITER Like Wall Campaigns using Imaging Plate Technique and β-Ray Induced X-ray Spectrometry.
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