H
H Akasaka
Researcher at Japan Atomic Energy Agency
Publications - 4
Citations - 140
H Akasaka is an academic researcher from Japan Atomic Energy Agency. The author has contributed to research in topics: Divertor & Tokamak. The author has an hindex of 4, co-authored 4 publications receiving 135 citations.
Papers
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Journal ArticleDOI
Achievement of high fusion performance in jt-60u reversed shear discharges
S. Ishida,T. Fujita,H Akasaka,N Akino,K. Annou,T Aoyagi,T Arai,K Arakawa,Nobuyuki Asakura,Masafumi Azumi,R. Budny,Satoshi Chiba,O. Da Costa,N Ebisawa,T. Fujii,T. Fukuda,A. Funahashi,L. Grisham,S. Gunji,Kiyotaka Hamamatsu,Y. Hasegawa,T. Hatae,S. Higashijima,H Hiratsuka,S. Hirauchi,T Hirayama,A. Honda,Mitsuru Honda,N. Hosogane,H. Ichige,Shunsuke Ide,Yujiro Ikeda,M Isaka,A. Isayama,N. Isei,Y. Ishii,N. Isozaki,K Itami,T Itoh,T. Iwahashi,Yutaka Kamada,A. Kaminaga,T. Kashiwabara,M Kawai,Y Kawamata,Yasunori Kawano,D. Kazama,M. Kazawa,M Kikuchi,H. Kimura,T Kimura,H Kishimoto,Yasuaki Kishimoto,S Kitamura,K Kiyono,K Kodama,Yoshihiko Koide,S. Kokusen,Takashi Kondoh,S Konoshima,J. Koog,G. J. Kramer,Hirotaka Kubo,K Kurihara,G. Kurita,M. Kuriyama,Yoshinori Kusama,K. Masaki,Tatsuma D. Matsuda,T. Matsumoto,M. Matukawa,T. Miura,N. Miya,K Miyachi,H. Miyata,Y Miyo,K. Mogaki,Michiyasu Mori,M. Morimoto,S. Morioka,S Moriyama,M. Nagami,A. Nagashima,K Nagashima,S Nagaya,O. Naito,Y. Nakamura,M. Nemoto,Y. Neyatani,Takeo Nishitani,N Ogiwara,T Ohga,M. Ohsawa,Takeshi Ohshima,T. Oikawa,T. Okabe,J. Okano,K Omori,Soichi Omori,Y Omori,Y. Onose,H Oohara,Takahisa Ozeki,M. Saidoh,M. Saigusa,N. Saito,A. Sakasai,S Sakata,S. Sakurai,T Sasajima,Masahiro Sato,S. D. Scott,M Seimiya,H. Seiki,M. Seki,M. Shimada,Katsuhiro Shimizu,M Shimizu,M. Shimono,S Shinozaki,H Shirai,M Shitomi,K Suganuma,T Sugie,H Sunaoshi,M Takahashi,S Takahashi,S. Takeji,Hidenobu Takenaga,Tomonori Takizuka,Hiroshi Tamai,M Terakado,T Terakado,Kenji Tobita,Shinji Tokuda,T Totsuka,Y. Toyokawa,N. Toyoshima,K. Tsuchiya,T Tsugita,Y Tsukahara,T. Tuda,Y Uramoto,K. Ushigusa,K Usui,J Yagyu,M. Yamagiwa,M Yamamoto,Takashi Yamamoto,O Yamashita,K Yokokura,H. Yoshida,Maiko Yoshida,R. Yoshino +153 more
TL;DR: Fusion performance of reversed shear discharges with an L-mode edge has been significantly improved in a thermonuclear dominant regime with up to 2.8 MA of plasma current in the JT-60U tokamak as mentioned in this paper.
Journal ArticleDOI
Recent results in JT-60 experiments
M. Nagami,I Aoki,N Akaoka,H Akasaka,Masato Akiba,N Akino,T Ando,K. Annou,T Aoyagi,T Arai,K Arakawa,M. Araki,Masafumi Azumi,S Chiba,M Dairaku,N Ebisawa,T. Fujii,T. Fukuda,A. Funahashi,H Furukawa,H Gunji,K Hamamatsu,M Hanada,M Hara,K Haraguchi,H Hiratsuka,T Hirayama,S Hiroki,K Hiruta,Mitsuru Honda,H Horiike,R Hosada,N. Hosogane,K Iida,Y Iida,T Iijima,K Ikeda,Yujiro Ikeda,T Imai,Tsuyoshi Inoue,N Isaji,M Isaka,S. Ishida,K Itami,N Itige,T Ito,T Kakizaki,Yutaka Kamada,A. Kaminaga,T Kaneko,T Kato,M Kawai,M Kawabe,Y Kawamata,Y Kawano,K Kawasaki,K Kikuchi,M Kikuchi,H. Kimura,T Kimura,H Kishimoto,S Kitamura,K Kiyono,N Kobayashi,K Kodama,Y Kurihata,Y Koide,T Koike,M Komata,I Kondo,S Konoshima,Hirotaka Kubo,S Kunieda,K Kurihara,M. Kuriyama,M Kusaka,Yoshinori Kusama,T Kushima,Y Mabuti,S Maehara,K Maeno,T Matoba,S Matsuda,Makoto Matsukawa,T Matsukawa,M Matsuoka,Y Matsuzaki,Y Miura,N. Miya,K Miyachi,Y Miyo,M Mizuno,K. Mogaki,S Moriyama,Y Murakami,M Muto,K Nagase,A. Nagashima,K Nagashima,T Nagashima,S Nagaya,O. Naito,H Nakamura,H Nemoto,M. Nemoto,Y. Neyatani,H. Ninomiya,N Nishino,Takeo Nishitani,H Nobusaka,H Nomata,K Obara,K Odajima,Y Ogawa,N Ogiwara,T Ohga,Y Ohara,H Oohara,T Ohshima,K Ohta,M Ohta,S Ohuchi,Y Ohuchi,H Okumura,Yoshikazu Okumura,K Omori,Soichi Omori,Y Omori,Takahisa Ozeki,M Saegusa,N Saitoh,A. Sakasai,S Sakata,T Sasajima,K Sato,M. Sato,M Sawahata,T Sebata,M Seimiya,M. Seki,S Seki,K Shibanuma,M. Shimada,R Shimada,Katsuhiro Shimizu,M Shimizu,Y Shimomura,S Shinozaki,H Shirai,H Shirakata,M Shitomi,K Suganuma,T Sugawara,T Sugie,H Sunaoshi,M Suzuki,N Suzuki,Sei Suzuki,H Tachibana,M Takahashi,S Takahashi,T Takahashi,M Takasaki,H Takatsu,Hiroshi Takeuchi,A Takeshita,Tomonori Takizuka,S Tamura,Satoru Tanaka,T Tanaka,Y Tanaka,K Tani,M Terakado,T Terakado,Kenji Tobita,T Totsuka,N. Toyoshima,F Tsuda,T Tsugita,Shunji Tsuji,Y Tsukahara,M Tsuneoka,K. Uehara,Y Uramoto,H Usami,K. Ushigusa,K Usui,J Yagyu,M. Yamagiwa,M Yamamoto,O Yamashita,T Yamazaki,K Yokokura,K Yokoyama,K Yoshikawa,H. Yoshida,R. Yoshino,Y Yoshioka,I Yonekawa,T Yoneda,K Watanabe +200 more
TL;DR: In this paper, lower-hybrid (LH) current drive characteristics with a multi-junction type launcher and a combination of neutral beam injection and hydrogen pellet injection were evaluated.
Journal ArticleDOI
Recent results of LH experiments on the JT-60 tokamak
N Akaoka,H Akasaka,Masato Akiba,N Akino,T Ando,K. Annou,T Aoyagi,T Arai,K Arakawa,M. Araki,Masafumi Azumi,S Chiba,M Dairaku,N Ebisawa,T. Fujii,T. Fukuda,A. Funahashi,H Furukawa,H Gunji,K Hamamatsu,M Hanada,M Hara,K Haraguchi,H Hiratsuka,T Hirayama,S Hiroki,K Hiruta,Mitsuru Honda,H Horiike,N. Hosogane,Y Iida,T Iijima,K Ikeda,Yujiro Ikeda,T Imai,Tsuyoshi Inoue,N Isaji,M Isaka,N. Isei,S. Ishida,K Itami,N Itige,T Ito,T Kakizaki,Yutaka Kamada,A. Kaminaga,T Kaneko,M Kawai,M Kawabe,Y Kawamata,Y Kawano,K Kikuchi,M Kikuchi,H. Kimura,T Kimura,H Kishimoto,S Kitamura,K Kiyono,K Kodama,Y Koide,T Koide,T Kobayashi,M Komata,I Kondo,T Kondo,S Konoshima,Hirotaka Kubo,S Kunieda,K Kurihara,M. Kuriyama,M Kusaka,Yoshinori Kusama,T Kushima,M Maeno,T Matoba,S Matsuda,Makoto Matsukawa,M Matsuoka,Y Matsuzaki,Y Miura,N. Miya,K Miyachi,K Miyake,Y Miyo,M Mizuno,K. Mogaki,S Moriyama,Y Murakami,M Muto,M. Nagami,A. Nagashima,K Nagashima,T Nagashima,S Nagaya,K Nagayama,O. Naito,H Nakamura,T Nagafuji,H Nemoto,M. Nemoto,Y. Neyatani,H. Ninomiya,N Nishino,Takeo Nishitani,H Nobusaka,H Nomata,A Oikawa,K Obara,K Odajima,N Ogiwara,T Ohga,Y Ohara,H Oohara,T Ohshima,K Ohta,M Ohta,S Ohuchi,Y Ohuchi,H Okumura,K Omori,Soichi Omori,Y Omori,Takahisa Ozeki,M Saegusa,N Saitoh,A. Sakasai,S Sakata,T Sakuma,T Sasajima,K Satou,M Satou,M Sawahata,M Seimiya,M. Seki,S Seki,K Shibanuma,M. Shimada,Katsuhiro Shimizu,M Shimizu,Y Shimomura,S Shinozaki,H Shirai,H Shirakata,M Shitomi,K Suganuma,T Sugawara,T Sugie,H Sunaoshi,M Suzuki,N Suzuki,Sei Suzuki,H Tachibana,M Takahashi,S Takahashi,T Takahashi,M Takasaki,H Takatsu,Hiroshi Takeuchi,A Takeshita,Tomonori Takizuka,S Tamura,Satoru Tanaka,T Tanaka,Y Tanaka,T Tani,M Terakado,T Terakado,Kenji Tobita,T Totsuka,N. Toyoshima,T Tsugita,Shunji Tsuji,Y Tsukahara,M Tsuneoka,K. Uehara,Y Uramoto,H Usami,K. Ushigusa,K Usui,J Yagyu,K Yamagishi,M. Yamagiwa,M Yamamoto,O Yamashita,T Yamazaki,K Yokokura,K Yokoyama,H. Yoshida,Z Yoshida,R. Yoshino,Y Yoshioka,I Yonekawa,K Watanabe +192 more
TL;DR: In this paper, lower hybrid current drive (LHCD) and heating (LHH) experiments on JT-60 were reported, and the CD efficiency, the energy confinement, the global power balance and the heat load on divertor plates were investigated in high power LHCD plasmas.
Journal ArticleDOI
High Power Heating Results on JT-60
Masato Akiba,H Aikawa,N Akaoka,H Akasaka,N Akino,T Akiyama,T Ando,K. Annoh,T Aoyagi,T Arai,K Arakawa,M. Araki,Masafumi Azumi,S Chiba,M Dairaku,N Ebisawa,T. Fujii,T. Fukuda,A. Funahashi,H Furukawa,K Hamamatsu,M Hanada,M Hara,K Haraguchi,H Hiratsuka,T Hirayama,S Hiroki,K Hiruta,Mitsuru Honda,H Horiike,R Hosoda,N. Hosogane,T Iijima,Yujiro Ikeda,K Ikeda,T Imai,Tsuyoshi Inoue,N Isaji,M Isaka,S. Ishida,K Itami,N Ichige,T Itoh,T Kakizaki,A. Kaminaga,T Katoh,M Kawai,M Kawabe,Y Kawamata,K Kawasaki,K Kikuchi,M Kikuchi,H. Kimura,T Kimura,H Kishimoto,S Kitamura,A. Kitsunezaki,K Kiyono,N Kobayashi,K Kodama,S Koide,Y Koide,T Kioke,M Komata,I Kondo,S Konoshima,Hirotaka Kubo,S Kunieda,K Kurihara,M. Kuriyama,T Kuroda,M Kusaka,Yoshinori Kusama,Y Mabuchi,S Maehara,K Maeno,T Matoba,S Matsuda,Makoto Matsukawa,T Matsukawa,M Matsuoka,Y Miura,N. Miya,K Miyachi,Y Mori,S Moriyama,M Mutoh,M. Nagami,A. Nagashima,K Nagashima,T Nagashima,S Nagaya,O Naitoh,H Nakamura,Y. Nakamura,M. Nemoto,Y. Neyatani,H. Ninomiya,N Nishino,Takeo Nishitani,K Obara,H Obinata,Y Ogawa,N Ogiwara,T Ohga,Y Ohara,K Ohasa,H Oohara,T Ohshima,M Ohkubo,S Ohsawa,K Ohta,M Ohta,M Ohtaka,Y Ohuchi,A Oikawa,H Okumura,Yoshikazu Okumura,K Omori,Soichi Omori,Y Omori,Takahisa Ozeki,M Saegusa,N Saitoh,K Sakamoto,A. Sakasai,S Sakata,T Sasajima,K Satou,M Satou,A Sakurai,M Sawahata,T Sebata,M Seimiya,M. Seki,S Seki,K Shibanuma,R Shimada,T Shimada,Katsuhiro Shimizu,M Shimizu,Y Shimomura,S Shinozaki,H Shirai,H Shirakata,M Shitomi,K Suganuma,T Sugie,T Sugiyama,H Sunaoshi,K Suzuki,M Suzuki,N Suzuki,Sei Suzuki,Y Suzuki,M Takahashi,S Takahashi,T Takahashi,M Takasaki,H Takatsu,Hiroshi Takeuchi,A Takeshita,Tomonori Takizuka,S Tamura,Satoru Tanaka,T Tanaka,K Tani,M Terakado,T Terakado,K. Tobita,T Tokutake,T Totsuka,N. Toyoshima,F Tusda,T Tsugita,Shunji Tsuji,Y Tsukahara,M Tsuneoka,K. Uehara,M Umechara,Y Uramoto,H Usami,K. Ushigusa,K Usui,J Yagyu,M. Yamagiwa,M Yamamoto,T Yamamoto,O Yamashita,T Yamazaki,T Yasukawa,K Yokokura,H Yokomizo,K Yokoyama,K Yoshikawa,M Yoshikawa,H. Yoshida,R. Yoshino,Y Yoshioka,I Yonekawa,T Yoneda,K Watanabe,M G Bell,R J Bickerton,W Englehardt,R J Goldston,E Kallne,J Kallne,H W Jugel,P L Mondiono,F X Solnder,Yuichi Takase,P R Thomas,K L Wong +213 more
TL;DR: In this article, an offset linear scaling law like the Shimomura-Odajima scaling on confinement time was used to reproduce experimental data better than that of the Goldston type scaling.