Zobrazeno 1 - 10
of 380
pro vyhledávání: '"S. Kamio"'
Autor:
R. M. Magee, K. Ogawa, T. Tajima, I. Allfrey, H. Gota, P. McCarroll, S. Ohdachi, M. Isobe, S. Kamio, V. Klumper, H. Nuga, M. Shoji, S. Ziaei, M. W. Binderbauer, M. Osakabe
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-6 (2023)
The fusion reaction involving proton (p) and boron (11B) has unique advantages over deuterium-tritium (DT) fusion in terms of number of neutrons generated and availability of the fuel components. Here the authors demonstrate the (p,11B) fusion reacti
Externí odkaz:
https://doaj.org/article/80381834e330468a8636e7b18b0d97cd
Degradation of fast-ion confinement depending on the neutral beam power in MHD quiescent LHD plasmas
Autor:
H. Nuga, R. Seki, K. Ogawa, H. Yamaguchi, S. Kamio, Y. Fujiwara, Y. Kawamoto, M. Yoshinuma, T. Kobayashi, Y. Takemura, M. Isobe, M. Osakabe, M. Yokoyama
Publikováno v:
Nuclear Fusion, Vol 64, Iss 6, p 066001 (2024)
We investigated the degradation of neutral beam (NB) fast-ion confinement depending on the NB power without magnetohydrodynamics instabilities in the Large Helical Device (LHD). In the LHD deuterium experiment, the neutron emission rate per NB power
Externí odkaz:
https://doaj.org/article/32751dd07d204fbea54ad72dc1715cb2
Autor:
K. Ida, M. Yoshinuma, M. Kobayashi, T. Kobayashi, N. Kenmochi, F. Nespoli, R.M. Magee, F. Warmer, A. Dinklage, A. Matsuyama, R. Sakamoto, T. Nasu, T. Tokuzawa, T. Kinoshita, K. Tanaka, N. Tamura, K. Nagaoka, M. Nishiura, Y. Takemura, K. Ogawa, G. Motojima, T. Oishi, Y. Morishita, J. Varela, W.H.J. Hayashi, M. Markl, H. Bouvain, Y. Liang, M. Leconte, D. Moseev, V.E. Moiseenko, C.G. Albert, I. Allfrey, A. Alonso, F.J. Arellano, N. Ashikawa, A. Azegami, L. Bardoczi, M. van Berkel, M. Beurskens, M.W. Binderbaue, A. Bortolon, S. Brezinsek, R. Bussiahn, A. Cappa, D. Carralero, I.C. Chan, J. Cheng, X. Dai, D.J. Den Hartog, C.P. Dhard, F. Ding, A. Ejiri, S. Ertmer, T. Fornal, K. Fujita, Y. Fujiwara, H. Funaba, L. Garcia, J.M. Garcia-Regana, I. Garcia-Cortés, I.E. Garkusha, D.A. Gates, Y. Ghai, E.P. Gilson, H. Gota, M. Goto, E.M. Green, V. Haak, S. Hamaguchi, K. Hanada, H. Hara, D. Hartmann, Y. Hayashi, T. Henning, C. Hidalgo, J. Hillairet, R. Hutton, T. Ido, H. Igami, K. Ikeda, S. Inagaki, A. Ishizawa, S. Ito, M. Isobe, Y. Isobe, M. Ivkovic, Z. Jiang, J. Jo, S. Kamio, H. Kasahara, D. Kato, Y. Katoh, Y. Kawachi, Y. Kawamoto, G. Kawamura, T. Kawate, Ye.O. Kazakov, V. Klumper, A. Knieps, W.H. Ko, S. Kobayashi, F. Koike, Yu.V. Kovtun, M. Kubkowska, S. Kubo, S.S.H. Lam, A. Langenberg, H. Laqua, S. Lazerson, J. Lestz, B. Li, L. Liao, Z. Lin, R. Lunsford, S. Masuzaki, H. Matsuura, K.J. McCarthy, D. Medina-Roque, O. Mitarai, A. Mollen, C. Moon, Y. Mori, T. Morisaki, S. Morita, K. Mukai, I. Murakami, S. Murakami, T. Murase, C.M. Muscatello, K. Nagasaki, D. Naujoks, H. Nakano, M. Nakata, Y. Narushima, A. Nagy, J.H. Nicolau, T. Nishizawa, S. Nishimoto, H. Nuga, M. Nunami, R. Ochoukov, S. Ohdachi, J. Ongena, M. Osakabe, N.A. Pablant, N. Panadero, B. Peterson, J. de la Riva Villén, J. Romazanov, J. Rosato, M. Rud, S. Sakakibara, H.A. Sakaue, H. Sakai, I. Sakon, M. Salewski, S. Sangaroon, S. Sereda, T. Stange, K. Saito, S. Satake, R. Seki, T. Seki, S. Sharapov, A. Shimizu, T. Shimozuma, G. Shivam, M. Shoji, D.A. Spong, H. Sugama, Z. Sun, C. Suzuki, Y. Suzuki, T. Tajima, E. Takada, H. Takahashi, K. Toi, Y. Tsuchibushi, N. Tsujii, K. Tsumori, T.I. Tsujimurai, G. Ueno, H. Uehara, J.L. Velasco, E. Wang, K.Y. Watanabe, T. Wauter, U. Wenzel, M. Yajima, H. Yamada, I. Yamada, K. Yanagihara, H. Yamaguchi, R. Yanai, R. Yasuhara, M. Yokoyama, Y. Yoshimura, M. Zarnstorff, M. Zhao, G.Q. Zhong, Q. Zhou, S. Ziaei, LHD Experiment Group, the W7-X Team
Publikováno v:
Nuclear Fusion, Vol 64, Iss 11, p 112009 (2024)
Recently, experiments on basic plasma physics issues for solving future problems in fusion energy have been performed on a Large Helical Device. There are several problems to be solved in future devices for fusion energy. Emerging issues in burning p
Externí odkaz:
https://doaj.org/article/493f2d046d6648a2b22107c6dc09b6c1
Autor:
H. Gota, A. Smirnov, M.W. Binderbauer, T. Tajima, S. Putvinski, J.B. Titus, M. Nations, T. Roche, E. Trask, T. DeHaas, S.A. Dettrick, E.M. Granstedt, D.K. Gupta, S. Gupta, A.A. Ivanov, S. Korepanov, R.M. Magee, T. Matsumoto, J.A. Romero, P. Yushmanov, K. Zhai, L. Schmitz, Z. Lin, S. Krasheninnikov, E.A. Baltz, J.C. Platt, E.V. Belova, T. Asai, A.I. Smolyakov, S. Abdollahi, S. Abramov, A. Alexander, I. Allfrey, R. Andow, D.C. Barnes, B. Barnett, J. Barrett, M. Beall, N.G. Bolte, E. Bomgardner, A. Bondarenko, F. Brighenti, J. Buttery, S. Caton, F. Ceccherini, Y. Choi, R. Clary, A. Cooper, C. Deng, A. de Vera, J. Drobny, A. Dunaevsky, C. Exton, A. Fareed, P. Feng, C. Finucane, D. Fluegge, A. Fontanilla, Y. Fujiwara, L. Galeotti, S. Galkin, R. Groenewald, T. Hsyu, K. Hubbard, R. Jaber, L. Jian, N. Kafle, S. Kamio, S. Karbashewski, J.S. Kinley, A. Korepanov, G. Koumarianou, S. Krause, P. Kudrin, C.K. Lau, H. Leinweber, J. Leuenberger, D. Lieurance, M. Litton, R. Luna, R. Luong, J. MacFarlane, D. Madura, J. Margo, D. Marshall, V. Matvienko, M. Meekins, W. Melian, R. Mendoza, R. Michel, M. Morehouse, Y. Musthafa, S. Nazarenko, A. Necas, B.S. Nicks, N. Nwoke, S. Ohshima, M. Onofri, R. Page, J. Park, E. Parke, S. Patel, L. Pennings, K. Phung, G. Player, L. Rios, I. Sato, J.H. Schroeder, Y. Shimabukuro, M. Showers, A. Sibley, M. Signorelli, M. Slepchenkov, R.J. Smith, G. Snitchler, V. Sokolov, D. Solyakov, Y. Song, B. Sporer, L.C. Steinhauer, C. Stonier, A. Stratta, J. Sweeney, M. Tobin, M. Tuszewski, J. Ufnal, T. Valentine, S. Vargas, A.D. Van Drie, V. Vekselman, A. Veksler, C. Weixel, C. White, M. Wollenberg, J. Wood, Y. Zhou, S. Ziaei, the TAE Team
Publikováno v:
Nuclear Fusion, Vol 64, Iss 11, p 112014 (2024)
TAE Technologies’ fifth-generation fusion device, C-2W (also called ‘Norman’), is the world’s largest compact-toroid device and has made significant progress in field-reversed configuration (FRC) plasma performance. C-2W produces record break
Externí odkaz:
https://doaj.org/article/256b81cac41043c1a97676b160e67300
Autor:
Yu.V. Kovtun, S. Kamio, V.E. Moiseenko, H. Kasahara, T. Seki, K. Saito, R. Seki, S. Masuzaki, S. Brezinsek, A. Dinklage
Publikováno v:
Nuclear Fusion, Vol 64, Iss 10, p 106044 (2024)
The results of the first experimental series to produce a plasma using the radio frequency discharge (RF) above the ion cyclotron frequency at relatively low magnetic fields (0.5–0.6 T) in the Large Helical Device (LHD) are presented 1.43 MW of RF
Externí odkaz:
https://doaj.org/article/1591ea072d244f11a21503652c47b2e9
Autor:
S. Sangaroon, K. Ogawa, M. Isobe, M. I. Kobayashi, Y. Fujiwara, S. Kamio, H. Yamaguchi, R. Seki, H. Nuga, E. Takada, S. Murakami, G. Q. Zhong, M. Osakabe
Publikováno v:
AAPPS Bulletin, Vol 32, Iss 1, Pp 1-8 (2022)
Abstract The compact neutron emission spectrometer (CNES) having a tangential sightline was installed to observe a significant Doppler shift of the neutron energy due to the high-energy tangential neutral beam (NB) injections in the Large Helical Dev
Externí odkaz:
https://doaj.org/article/098e8beb11cd43d1856b5c595e7df875
Autor:
Yu.V. Kovtun, H. Kasahara, V.E. Moiseenko, S. Kamio, T. Seki, K. Saito, R. Seki, A. Dinklage, D. Hartmann, H. Laqua, T. Stange, S. Lazerson, A. Alonso, T. Wauters, Ye. Kazakov, J. Ongena, I.E. Garkusha
Publikováno v:
Nuclear Fusion, Vol 63, Iss 10, p 106002 (2023)
This study aim is to develop further an ion cyclotron range of frequencies (ICRF) method of plasma production in stellarators based on the minority heating. The previous studies demonstrate production of low density plasma (9.5 × 10 ^17 m ^−3 ) at
Externí odkaz:
https://doaj.org/article/d2fee2a9582541909320296d29053c8f
Akademický článek
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Akademický článek
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Publikováno v:
The Review of scientific instruments. 93(10)
In order to measure the fast ion using neutral particle analyzers (NPAs) in the low neutral density core region of a magnetic confinement fusion device, active change exchange measurements are often performed using a neutral beam (NB) as a charge-exc