Effects of ambient humidity and temperature on partial discharge characteristics of conventional and nanocomposite enameled magnet wires Y Kikuchi, T Murata, Y Uozumi, N Fukumoto, M Nagata, Y Wakimoto, ... IEEE Transactions on Dielectrics and Electrical Insulation 15 (6), 1617-1625, 2008 | 95 | 2008 |
The internal magnetic field structures and current density profiles in the Helicity Injected Spherical Torus plasma driven by coaxial helicity injection M Nagata, T Kanki, N Fukumoto, T Uyama Physics of Plasmas 10 (7), 2932-2939, 2003 | 95 | 2003 |
Overview of the initial NSTX experimental results M Ono, MG Bell, RE Bell, T Bigelow, M Bitter, W Blanchard, DS Darrow, ... Nuclear fusion 41 (10), 1435, 2001 | 82 | 2001 |
The national spherical torus experiment (NSTX) research programme and progress towards high beta, long pulse operating scenarios EJ Synakowski, MG Bell, RE Bell, T Bigelow, M Bitter, W Blanchard, ... Nuclear fusion 43 (12), 1653, 2003 | 61 | 2003 |
High performance tokamak experiments with a ferritic steel wall on JFT-2M K Tsuzuki, H Kimura, H Kawashima, M Sato, K Kamiya, K Shinohara, ... Nuclear fusion 43 (10), 1288, 2003 | 57 | 2003 |
Effects of steady-state plasma exposure on tungsten surface cracking due to ELM-like pulsed plasma bombardment D Nishijima, Y Kikuchi, M Nakatsuka, MJ Baldwin, RP Doerner, M Nagata, ... Fusion Science and Technology 60 (4), 1447-1450, 2011 | 55 | 2011 |
Relaxation oscillations and toroidal-current regeneration in a helicity-driven spheromak M Nagata, T Kanki, T Masuda, S Naito, H Tatsumi, T Uyama Physical review letters 71 (26), 4342, 1993 | 55 | 1993 |
Compact toroid injection experiment in JFT-2M T Ogawa, N Fukumoto, M Nagata, H Ogawa, M Maeno, K Hasegawa, ... Nuclear Fusion 39 (11Y), 1911, 1999 | 54 | 1999 |
Tight aspect ratio tokamak power reactor with superconducting TF coils S Nishio, K Tobita, S Konishi, T Ando, S Hiroki, T Kuroda, M Yamauchi, ... | 44 | 2003 |
Response of fuzzy tungsten surfaces to pulsed plasma bombardment D Nishijima, RP Doerner, D Iwamoto, Y Kikuchi, M Miyamoto, M Nagata, ... Journal of nuclear materials 434 (1-3), 230-234, 2013 | 43 | 2013 |
Plasma diagnostics for the sustained spheromak physics experiment HS McLean, A Ahmed, D Buchenauer, D Den Hartog, CW Domier, DN Hill, ... Review of Scientific Instruments 72 (1), 556-561, 2001 | 40 | 2001 |
Progress towards high-performance, steady-state spherical torus M Ono, MG Bell, RE Bell, T Bigelow, M Bitter, W Blanchard, J Boedo, ... Plasma physics and controlled fusion 45 (12A), A335, 2003 | 39 | 2003 |
Temporal evolution of the decaying spheromak in the CTCC-I experiment T Uyama, Y Honda, M Nagata, M Nishikawa, A Ozaki, N Satomi, ... Nuclear fusion 27 (5), 799, 1987 | 39 | 1987 |
Surface damage characteristics of CFC and tungsten with repetitive ELM-like pulsed plasma irradiation Y Kikuchi, D Nishijima, M Nakatsuka, K Ando, T Higashi, Y Ueno, ... Journal of nuclear materials 415 (1), S55-S58, 2011 | 38 | 2011 |
Experimental studies of the dynamics of compact toroid injected into the JFT-2M tokamak M Nagata, H Ogawa, S Yatsu, N Fukumoto, H Kawashima, K Tsuzuki, ... Nuclear fusion 45 (9), 1056, 2005 | 38 | 2005 |
Surface cracking and melting of different tungsten grades under transient heat and particle loads in a magnetized coaxial plasma gun Y Kikuchi, I Sakuma, D Iwamoto, Y Kitagawa, N Fukumoto, M Nagata, ... Journal of Nuclear Materials 438, S715-S718, 2013 | 37 | 2013 |
Current drive experiments in the HIT-II spherical tokamak TR Jarboe, P Gu, VA Izzo, PD Jewell, KJ McCollam, BA Nelson, R Raman, ... Nuclear fusion 41 (6), 679, 2001 | 31 | 2001 |
Behaviour of compact toroid injected into an external magnetic field M Nagata, N Fukumoto, H Ogawa, T Ogawa, K Uehara, H Niimi, T Shibata, ... Nuclear fusion 41 (11), 1687, 2001 | 30 | 2001 |
Investigation of partial discharge with twisted enameled wires in atmospheric humid air by optical emission spectroscopy Y Kikuchi, T Murata, N Fukumoto, M Nagata, Y Wakimoto, T Yoshimitsu IEEE Transactions on Dielectrics and Electrical Insulation 17 (3), 839-845, 2010 | 28 | 2010 |
On an existence lemma in valuation theory M Nagata, T Nakayama, T Tuzuku Nagoya Mathematical Journal 6, 59-61, 1953 | 28 | 1953 |