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Enhancement of maximum power was progressed and 1.9 MW/1 s at 110 GHz, which is a world record power in non-coaxial type gyrotron has been achieved. 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Development of Multi-Frequency Mega-Watt Gyrotrons for Fusion Devices in JAEA
https://repo.qst.go.jp/records/54758
https://repo.qst.go.jp/records/5475879e181b4-1b40-46a8-afd4-79b5ad05b2e4
Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2017-04-26 | |||||
タイトル | ||||||
タイトル | Development of Multi-Frequency Mega-Watt Gyrotrons for Fusion Devices in JAEA | |||||
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_5794 | |||||
資源タイプ | conference paper | |||||
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 |
池田, 亮介
× 池田, 亮介× 小林, 貴之× 小田, 靖久× 梶原, 健× 高橋, 幸司× 森山, 伸一× 坂本, 慶司× 池田 亮介× 小林 貴之× 小田 靖久× 梶原 健× 高橋 幸司× 森山 伸一× 坂本 慶司 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Multi-frequency Mega Watt-class gyrotrons have being developed for ITER and JT-60 SA project in QST. Stable operation of 170 GHz oscillation with higher total efficiency were achieved in ITER gyrotron with high-order volume mode of TE31,11 mode by introducing active anode voltage control and beam radius control to suppress adjacent counter-rotating modes. In long pulse operation, 1.0 MW/46 % for 300 s was achieved and 1.2 MW was obtained until 5 s. In multi-frequency oscillations, experiments of 203 GHz oscillation for a demo-reactor grade were started and the output power of 0.9 MW in short pulse and 0.42 MW for 5 s were demonstrated as preliminary results For lower frequencies, 1.0 MW/6 s at 137 GHz, and 1 MW/2 s and 0.93 MW/5 s at 104 GHz were also achieved. The ITER gyrotron having mega-watt-class power at four frequencies in wide range over 100 GHz was developed. In the JT-60SA gyrotron, oscillations of 1 MW/100 s at both 110 and 138 GHz had been already achieved. Enhancement of maximum power was progressed and 1.9 MW/1 s at 110 GHz, which is a world record power in non-coaxial type gyrotron has been achieved. And high-power oscillation at 138 GHz (1.3 MW/1.3 s) and 82 GHz (1 MW/1 s) have been demonstrated as a new record. | |||||
書誌情報 |
Proceedings of 26th IAEA Fusion Energy Conference 発行日 2017-03 |
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出版者 | ||||||
出版者 | IAEA |