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Journal Articles

Heating, current drive, and advanced plasma control in JFT-2M

Hoshino, Katsumichi; Yamamoto, Takumi; Tamai, Hiroshi; Oasa, Kazumi; Kawashima, Hisato; Miura, Yukitoshi; Ogawa, Toshihide; Shoji, Teruaki*; Shibata, Takatoshi; Kikuchi, Kazuo; et al.

Fusion Science and Technology, 49(2), p.139 - 167, 2006/02

 Times Cited Count:2 Percentile:81.1(Nuclear Science & Technology)

The main results obtained by the various heating and current drive systems, external coil system and divertor bias system are reviewed from the viewpoint of the advanced active control of the tokamak plasma. Also, the features of each system are described. The contribution of the JFT-2M in these areas are summarized.

Journal Articles

CT injection experiment in JFT-2M

Ogawa, Hiroaki; Ogawa, Toshihide; Tsuzuki, Kazuhiro; Kawashima, Hisato; Kasai, Satoshi*; Kashiwa, Yoshitoshi; Hasegawa, Koichi; Suzuki, Sadaaki; Shibata, Takatoshi; Miura, Yukitoshi; et al.

Fusion Science and Technology, 49(2), p.209 - 224, 2006/02

 Times Cited Count:3 Percentile:73.21(Nuclear Science & Technology)

no abstracts in English

Journal Articles

High performance tokamak experiments with a ferritic steel wall on JFT-2M

Tsuzuki, Kazuhiro; Kimura, Haruyuki; Kawashima, Hisato; Sato, Masayasu; Kamiya, Kensaku; Shinohara, Koji; Ogawa, Hiroaki; Hoshino, Katsumichi; Bakhtiari, M.; Kasai, Satoshi; et al.

Nuclear Fusion, 43(10), p.1288 - 1293, 2003/10

 Times Cited Count:37 Percentile:24.75(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Research activities on Tokamaks in Japan; JT-60U, JFT-2M and TRIAM-1M

Ninomiya, Hiromasa; Kitsunezaki, Akio; Shimizu, Masatsugu; Kuriyama, Masaaki; JT-60 Team; Kimura, Haruyuki; Kawashima, Hisato; Tsuzuki, Kazuhiro; Sato, Masayasu; Isei, Nobuaki; et al.

Fusion Science and Technology, 42(1), p.7 - 31, 2002/07

 Times Cited Count:12 Percentile:75.76(Nuclear Science & Technology)

In order to establish scientific basis for the sustainment of highly integrated performance required in the advanced steady-state operation, JT-60U has been optimizing the discharge control scenarios of improved confinement plasmas and expanding the operation regions. Promising results toward the steady-state tokamak were obtained. The detail of such results is reported. JFT-2M has performed advanced and basic research for the development of high performance tokamak plasma as well as the structural material for a fusion reactor. The toroidal ripple reduction with ferritic steel plates outside the vacuum vessel was successfully demonstrated. No adverse effects were observed in the pre-testing on compatibility between ferritic steel plates, covering ~20% of the inside wall of the vacuum vessel, and plasma. The results of TRIAM-1M is also reported.

Journal Articles

Testing for compatibility of reduced activation ferritic steel with plasma on JFT-2M; Partial coverage of the vacuum vessel with ferritic steel

Tsuzuki, Kazuhiro; Isei, Nobuaki; Kawashima, Hisato; Sato, Masayasu; Kimura, Haruyuki; Ogawa, Hiroaki; Miura, Yukitoshi; Ogawa, Toshihide; Shibata, Takatoshi; Akiyama, Takashi*; et al.

Purazuma, Kaku Yugo Gakkai-Shi, 78(5), p.455 - 461, 2002/05

no abstracts in English

Journal Articles

A New diagnostic method for electromagnetic field patterns of fast waves during FWCD experiments in JFT-2M

Saigusa, Mikio*; Kanazawa, Sadayoshi*; Ogawa, Toshihide; Kawashima, Hisato; Kikuchi, Kazuo; Ido, Takeshi*; Fukuyama, Atsushi*

Nuclear Fusion, 42(4), p.412 - 417, 2002/04

 Times Cited Count:1 Percentile:96.79(Physics, Fluids & Plasmas)

A new diagnostic method is proposed for direct measurements of electromagnetic field patterns of fast waves in toroidal plasmas. The fluctuation of ponderomotive potential at a beat wave frequency between the two frequency fast waves produces the actual potential fluctuation via electron and ion motions. A heavy ion beam probe (HIBP) detected the potential fluctuation patterns at a beat wave frequency during the fast wave pulse. The amplitude of potential fluctuations decreases with increasing an electron temperature in fast wave current drive (FWCD) experiments of JFT-2M, due to the improvement of wave absorption via electron Landau damping. The measured potential fluctuation does not contradict with the prediction using a full wave code calculations.

Journal Articles

Radiofrequency experiments in JFT-2M; Demonstration of innovative applications of a travelling wave antenna

Ogawa, Toshihide; Hoshino, Katsumichi; Kanazawa, Sadayoshi*; Saigusa, Mikio*; Ido, Takeshi*; Kawashima, Hisato; Kasuya, N.*; Takase, Yuichi*; Kimura, Haruyuki; Miura, Yukitoshi; et al.

Nuclear Fusion, 41(12), p.1767 - 1775, 2001/12

 Times Cited Count:23 Percentile:38.5(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Behavior of compact toroid injected into an external magnetic field

Nagata, M.*; Fukumoto, Naoyuki*; Ogawa, Hiroaki; Ogawa, Toshihide; Uehara, Kazuya; Niimi, Hironobu*; Shibata, Takatoshi; Suzuki, Yoshio; Miura, Yukitoshi; Kayukawa, Naoyuki*; et al.

Nuclear Fusion, 41(11), p.1687 - 1694, 2001/11

 Times Cited Count:12 Percentile:59.05(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Progress of advanced material tokamak experiment (AMTEX) program on JFT-2M

Kimura, Haruyuki; Sato, Masayasu; Kawashima, Hisato; Isei, Nobuaki; Tsuzuki, Kazuhiro; Ogawa, Hiroaki; Ogawa, Toshihide; Miura, Yukitoshi; Yamamoto, Masahiro; Shibata, Takatoshi; et al.

Fusion Engineering and Design, 56-57, p.837 - 841, 2001/10

 Times Cited Count:14 Percentile:27.8

no abstracts in English

Journal Articles

Multichannel motional stark effect diagnostic discriminating radial electric field in the JFT-2M tokamak

Kamiya, Kensaku; Kimura, Haruyuki; Hoshino, Katsumichi; Isei, Nobuaki; Kawashima, Hisato; Ogawa, Hiroaki; Ogawa, Toshihide; Tsuzuki, Kazuhiro; Uehara, Kazuya; JFT-2M Group

Review of Scientific Instruments, 72(7), p.2931 - 2935, 2001/07

 Times Cited Count:6 Percentile:58.03(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Compact toroid injection as fueling in the JFT-2M tokamak

Ogawa, Toshihide; Ogawa, Hiroaki; Miura, Yukitoshi; Niimi, Hironobu*; Kimura, Haruyuki; Kashiwa, Yoshitoshi; Shibata, Takatoshi; Yamamoto, Masahiro; Fukumoto, Naoyuki*; Nagata, Masayoshi*; et al.

Journal of Nuclear Materials, 290-293, p.454 - 458, 2001/03

 Times Cited Count:7 Percentile:48.75

no abstracts in English

Journal Articles

Coupling and heating experiments using fast wave antenna with back faraday shield on JFT-2M

Ogawa, Toshihide; Saigusa, Mikio*; Kawashima, Hisato; Kanazawa, Sadayoshi*; JFT-2M Group

Fusion Technology, 39(1T), p.305 - 308, 2001/01

no abstracts in English

Journal Articles

Design and first experimental results of toroidal field ripple reduction using ferritic insertion in JFT-2M

Sato, Masayasu; Kawashima, Hisato; Miura, Yukitoshi; Tsuzuki, Kazuhiro; Kimura, Haruyuki; Uehara, Kazuya; Ogawa, Toshihide; Isei, Nobuaki; Tani, Takashi; Akiyama, Takashi*; et al.

Fusion Engineering and Design, 51-52(Part.B), p.1071 - 1076, 2000/11

 Times Cited Count:14 Percentile:30.62

no abstracts in English

Journal Articles

Ripple reduction test by ferritic board insertion in the JFT-2M tokamak

Kawashima, Hisato; Sato, Masayasu; Tsuzuki, Kazuhiro; Miura, Yukitoshi; Kimura, Haruyuki; Tani, Takashi; Ido, Tsuyoshi; Isei, Nobuaki; Ogawa, Toshihide; Uehara, Kazuya; et al.

Purazuma, Kaku Yugo Gakkai-Shi, 76(6), p.585 - 592, 2000/06

no abstracts in English

Journal Articles

Toroidal field ripple reduction experiments with ferritic inserts on JFT-2M

Kimura, Haruyuki; Kawashima, Hisato; Tsuzuki, Kazuhiro; Sato, Masayasu; Miura, Yukitoshi; Isei, Nobuaki; Ido, Takeshi*; Ogawa, Toshihide; Uehara, Kazuya; JFT-2M Group

JAERI-Conf 2000-004, p.77 - 80, 2000/03

no abstracts in English

Journal Articles

Ripple reduction and surface coating tests with ferritic steel on JFT-2M

Tsuzuki, Kazuhiro; Sato, Masayasu; Kawashima, Hisato; Miura, Yukitoshi; Kimura, Haruyuki; Abe, Tetsuya; Uehara, Kazuya; Ogawa, Toshihide; Akiyama, Takashi*; Shibata, Takatoshi; et al.

Journal of Nuclear Materials, 283-287, p.681 - 684, 2000/00

 Times Cited Count:12 Percentile:35.13

no abstracts in English

Journal Articles

Analysis of magnetic fluctuation induced by CT injection on JFT-2M

Niimi, Hironobu*; Ogawa, Toshihide; Ogawa, Hiroaki; Fukumoto, Naoyuki*; Kimura, Haruyuki; Miura, Yukitoshi; Shibata, Takatoshi; Nagata, Masayoshi*; Yatsu, Shigeo*; Uyama, Tadao*; et al.

Proceedings of 2000 International Congress on Plasma Physics (ICPP 2000), Vol.3, p.768 - 771, 2000/00

no abstracts in English

Journal Articles

Direct measurement of electromagnetic field pattern of fast wave in FWCD experiments using ponderomotive potential produced by beat wave in JFT-2M

Saigusa, Mikio*; Kanazawa, Sadayoshi; Ogawa, Toshihide; Ido, Takeshi*; Kawashima, Hisato; Kikuchi, Kazuo; Fukuyama, Atsushi*; Kamiya, Kensaku; JFT-2M Team

Proceedings of 2000 International Congress on Plasma Physics (ICPP 2000), Vol.3, p.844 - 847, 2000/00

no abstracts in English

Journal Articles

Compact toroid injection experiment in JFT-2M

Ogawa, Toshihide; Fukumoto, Naoyuki*; Nagata, Masayoshi*; Ogawa, Hiroaki; Maeno, Masaki; Hasegawa, Koichi; Shibata, Takatoshi; Uyama, Tadao*; Miyazawa, Junichi*; Kasai, Satoshi; et al.

Nuclear Fusion, 39(11Y), p.1911 - 1915, 1999/11

 Times Cited Count:29 Percentile:30.94(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Studies of boundary plasmas and fueling on the JFT-2M

Ogawa, Hiroaki; Miura, Yukitoshi; Fukumoto, Naoyuki*; Hasegawa, Koichi; Kawashima, Hisato; Maeno, Masaki; Nagata, Masayoshi*; Sengoku, Seio; Shibata, Takatoshi; Kasai, Satoshi; et al.

Journal of Nuclear Materials, 266-269, p.623 - 628, 1999/00

 Times Cited Count:12 Percentile:31.53

no abstracts in English

66 (Records 1-20 displayed on this page)