Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Takahiro, Shinya"'
Autor:
Takahiro Shinya, Ryosuke Ikeda, Kazuo Hayashi, Masayuki Tsuneyama, Taku Nakai, Satoru Yajima, Yasuo Yoshimura, Hibiki Yamazaki, Takayuki Kobayashi, Ken Kajiwara
Publikováno v:
Nuclear Fusion, Vol 64, Iss 12, p 126009 (2024)
The electron beam current of high-power, long-pulse gyrotrons for fusion devices is typically controlled to remain constant by adjusting the power to the cathode heater by using a pre-programmed waveform. However, this pre-programmed waveform is usua
Externí odkaz:
https://doaj.org/article/5ad760cb06fe4e8e87cf6248a1ab9486
Autor:
Ryosuke Ikeda, Takahiro Shinya, Satoru Yajima, Taku Nakai, Takeru Ohgo, Masayuki Tsuneyama, Hibiki Yamazaki, Takayuki Kobayashi, Ken Kajiwara
Publikováno v:
Nuclear Fusion, Vol 63, Iss 6, p 066028 (2023)
High-power (1 MW), long-pulse operations up to 300 s were demonstrated by multi-frequency oscillations at 170 GHz, 137 GHz, and 104 GHz. A multi-frequency gyrotron based on the design of the ITER gyrotron has been developed and studied. By redesignin
Externí odkaz:
https://doaj.org/article/3fb10f748b034d1ca9b9f36853ce91a7
Autor:
Keitaro Kondo, Juan Marcos Ayala, Benoit Bolzon, Philippe Cara, Hervé Dzitko, Takashi Ebisawa, Enrico Fagotti, Dominique Gex, Roland Heidinger, Yosuke Hirata, Ryo Ichimiya, Yukiharu Ikeda, David Jimenez, Antti Jokinen, Atsushi Kasugai, Takayuki Kikuchi, Juan Knaster, Masao Komata, Sunao Maebara, Alvaro Marqueta, Ivan Moya, Shinobu Nishimura, Shigeru O‘hira, Yoshikazu Okumura, Mario Perez, Guy Phillips, Ivan Podadera, Giuseppe Pruneri, Keishi Sakamoto, Francesco Scantamburlo, Takahiro Shinya, Masayoshi Sugimoto, Moises Weber
Publikováno v:
Nuclear Materials and Energy, Vol 15, Iss , Pp 195-202 (2018)
The construction of the Linear IFMIF Prototype Accelerator (LIPAc) is in progress in order to demonstrate the feasibility of the low energy section of an IFMIF deuteron accelerator up to 9 MeV with a beam current of 125 mA in CW. The next milestone o
Externí odkaz:
https://doaj.org/article/a99732c2ad3840799f925f2a385c2a20
Autor:
Takahiro Shinya, E. Fagotti, M. Weber, L. Antoniazzi, T. Akagi, L. Bellan, D. Bortolato, T. Ebisawa, F. Grespan, Y. Hirata, R. Ichimiya, K. Kasugai, K. Kondo, T. Kitano, I. Kirpitchev, P. Mereu, P. Mendez, C. de la Morena, S. Maebara, M. Montis, A. Palmieri, A. Pisent, G. Pruneri, D. Regidor, K. Sakamoto, F. Scantamburlo, M. Sugimoto, P. Cara, D. Gex, R. Heidinger, A. Jokinen, A. Marqueta, I. Moya, J. Knaster
Publikováno v:
Nuclear Materials and Energy, Vol 15, Iss , Pp 143-147 (2018)
The Radio Frequency Quadrupole (RFQ) linac and 1.6 MW RF power system of the Linear IFMIF Prototype Accelerator (LIPAc) facility in the International Fusion Energy Research Center (IFERC) in Rokkasho (Japan) has been installed and conditioned. During
Externí odkaz:
https://doaj.org/article/d3a4782f176b44f2ae975edd1b5f81a9
Autor:
Satoru Yajima, Ken Kajiwara, Ryosuke Ikeda, Takahiro Shinya, Takayuki Kobayashi, Hibiki Yamazaki, Noriyuki Kobayashi, Taku Nakai, Koji Takahashi
Publikováno v:
Fusion Engineering and Design. 194:113690
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed9e8f4c1cc355df34606d193df0024b
https://doi.org/10.1016/j.fusengdes.2023.113690
https://doi.org/10.1016/j.fusengdes.2023.113690
Autor:
Takahiro, Shinya, Tomoya, Akagi, Takashi, Ebisawa, Yoshitaka, Ikeda, Yukiharu, Ikeda, Atsushi, Kasugai, Keitaro, Kondo
Publikováno v:
IEEE Transactions on Plasma Science. 49(9):2987-2996
Design, development, manufacturing, and test activities of the RF power system (RFPS) for Linear IFMIF Prototype Accelerator (LIPAc) were completed in Europe. Installation and commissioning activities were carried out at the International Fusion Mate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::7ffc0fa6bcc810c1702c39eba6bf0a58
https://repo.qst.go.jp/records/83408
https://repo.qst.go.jp/records/83408
Autor:
Takahiro Shinya, Ryosuke Ikeda, Ken Kajiwara, Takayuki Kobayashi, Taku Nakai, Takeru Ohgo, Masayuki Tsuneyama, Satoru Yajima, Hibiki Yamazaki
Publikováno v:
2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0ef50309ba25af7386197bda2da810c
https://doi.org/10.1109/irmmw-thz50927.2022.9896058
https://doi.org/10.1109/irmmw-thz50927.2022.9896058
Autor:
Ryosuke, Ikeda, Takahiro, Shinya, Satoru, Yajima, Hibiki, Yamazaki, Takayuki, Kobayashi, Ken, Kajiwara
量研では、全8機のITERジャイロトロン実機の製作を完了し、5機の性能試験を実施し、出力1MW/効率50％/300秒発振の高繰り返し運転を90%以上の運転信頼度で成功させている。また、ITERの幅
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::c9fc24ff81a6f3446844fd95bd291bb8
https://repo.qst.go.jp/records/86543
https://repo.qst.go.jp/records/86543
Autor:
Satoru, Yajima, Takayuki, Kobayashi, Ken, Kajiwara, Ryosuke, Ikeda, Takahiro, Shinya, Hibiki, Yamazaki, Koji, Takahashi
ITERをはじめとする大型トカマク装置で運用される1MW級電子サイクロトロン加熱電流駆動システムでは、あらゆる磁場配位に対して入射モード(O/X)を制御する目的で低損失のマイターベン
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::3c4d25bdcd03e402a3f6a543513a8eb7
https://repo.qst.go.jp/records/86552
https://repo.qst.go.jp/records/86552
Autor:
Hibiki, Yamazaki, Takayuki, Kobayashi, Satoru, Yajima, Ken, Kajiwara, Shinichi, Hiranai, Masayuki, Sawahata, Toida, Nobuhiro, Fumiaki, Sato, Jun, Hinata, Masayuki, Terakado, Keito, Ishita, Ryosuke, Ikeda, Takahiro, Shinya
JT-60SAの初期研究フェーズで用いられるECH/CD装置（138GHz/110GHz/82GHz）について伝送路のレイアウト設計と評価を行った。新たに設計したレイアウトでの伝送効率を評価するために、これま
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::0c9764ae416b30a161eafda0cbe78af3
https://repo.qst.go.jp/records/86498
https://repo.qst.go.jp/records/86498