Initial Result of Neutron Emission Rate Analysis for Ion Cyclotron Range of Frequency Heated Deuterium Plasmas in LHD
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- SEKI Ryosuke
- National Institute for Fusion Science, National Institutes of Natural Sciences The Graduate University for Advanced Studies, SOKENDAI
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- KAMIO Shuji
- National Institute for Fusion Science, National Institutes of Natural Sciences
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- KASAHARA Hiroshi
- National Institute for Fusion Science, National Institutes of Natural Sciences
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- SAITO Kenji
- National Institute for Fusion Science, National Institutes of Natural Sciences
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- SEKI Tetsuo
- National Institute for Fusion Science, National Institutes of Natural Sciences
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- OGAWA Kunihiro
- National Institute for Fusion Science, National Institutes of Natural Sciences The Graduate University for Advanced Studies, SOKENDAI
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- ISOBE Mitsutaka
- National Institute for Fusion Science, National Institutes of Natural Sciences The Graduate University for Advanced Studies, SOKENDAI
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- NUGA Hideo
- National Institute for Fusion Science, National Institutes of Natural Sciences
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- TAKAHASHI Hiromi
- National Institute for Fusion Science, National Institutes of Natural Sciences
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- KUBO Shin
- National Institute for Fusion Science, National Institutes of Natural Sciences Nagoya University
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- OSAKABE Masaki
- National Institute for Fusion Science, National Institutes of Natural Sciences The Graduate University for Advanced Studies, SOKENDAI
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<p>A database of the total neutron emission rate (Sn) in the ion cyclotron range of frequency (ICRF) heated deuterium plasma in the Large Helical Device (LHD) was developed with changing the ICRF injection power and electron density. The Sn measured in the experiment was compared with the neutron emission rate calculated by the thermal reactivity of deuterium plasma to predict Sn in long-pulse discharge and to understand the heating scheme of ICRF. The ratio of Sn evaluated by calculation and that by measurement in the electron cyclotron heating (ECH) and ICRF heating case has almost the same tendency as that of the ECH only case in which energetic deuterons are not expected. In the first campaign of deuterium ICRF plasma discharge with injection power up to 1.5 MW, neutron emission with regard to the ICRF tail deuteron was thought to be negligible. We expanded the Sn database and started building an Sn prediction code to perform a long-pulse deuterium discharge.</p>
収録刊行物
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- Plasma and Fusion Research
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Plasma and Fusion Research 15 (0), 1202088-1202088, 2020-12-11
一般社団法人 プラズマ・核融合学会
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詳細情報
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- CRID
- 1390286981360736640
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- NII論文ID
- 130007957909
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- NII書誌ID
- AA12346675
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- ISSN
- 18806821
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- HANDLE
- 10655/00013198
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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
- IRDB
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可