Direct Measurement of Ion Behavior using Modified Ion Sensitive Probe in Tokamak Boundary Plasma.
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- Uehara Kazuya
- Tokai Annex, Naka Fusion Establishment, Japan Atomic Energy Research Institute, Tokai, Ibaraki 319–11
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- Tsushima Akira
- Department of Electronics, The Faculty of Engineering, Yokohama National University, Yokohama 240
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- Amemiya Hiroshi
- Institute of Physical and Chemical Research, Wako 350–11
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- Group JFT–M
- Tokai Annex, Naka Fusion Establishment, Japan Atomic Energy Research Institute, Tokai, Ibaraki 319–11
書誌事項
- タイトル別名
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- Direct Measurement of Ion Behavior usin
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Simultaneous measurement of ion temperature and electron temperature as well as correlation with a Hα line and the ion behavior are performed by using a modified ion sensitive probe in the boundary plasma in the JFT-2M tokamak. The modified ion sensitive probe for the ion temperature measurement mounted in the JFT-2M can be used to vary the height of the electron barrier for suppressing the electron current by remote control without breaking of the vacuum. The electron temperature is simultaneously measured using the electron guard as a Langmuir probe while the ion temperature is measured by the ion collector of the probe. It has been confirmed that the ion temperature is higher than the electron temperature in the tokamak boundary plasma. It has also been found that the decrease of the ion current at the ion collector coincides with that of the Hα line intensity when the plasma confinement is improved during the divertor biasing.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 66 (4), 921-924, 1997
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204181475584
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- NII論文ID
- 210000100693
- 110001970331
- 130004536095
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1997JPSJ...66..921U
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- ISSN
- 13474073
- 00319015
- http://id.crossref.org/issn/00319015
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- NDL書誌ID
- 4209362
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 使用不可