Výsledky vyhledávání - "Shoichi Shiina"

Diffusive Transport Analysis in Low Aspect Ratio Reversed Field Pinch

Autor: Atsushi Fukuyama, Masamitsu Aizawa, Yasuo Nagamine, Shoichi Shiina

Publikováno v: Journal of Physics: Conference Series. 511:012046

For the evaluation of confinement property of a low aspect ratio reversed field pinch (RFP) plasma, diffusive transport analysis is studied. Numerical analysis based on the neoclassical transport model in a low aspect ratio RFP show that a considerab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79bdfe005afd88e581fb7373cc6e1213
https://doi.org/10.1088/1742-6596/511/1/012046

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Neoclassical reversed-field pinch equilibrium with dominant self-induced plasma current

Autor: Masayuki Watanabe, K. Saito, Shoichi Shiina, Masamitsu Aizawa, Yasuo Nagamine, H. Koguchi, H. Sakakita, Hisao Ashida, Y. Hirano, Yukio Osanai, Yasuyuki Yagi, M. Taguchi, Hisaya Sugimoto

Publikováno v: Physics of Plasmas. 12:080702

The neoclassical magnetohydrodynamic equilibrium of reversed-field pinch (RFP) is self-consistently solved considering the self-induced plasma current IϕSI in a reactor relevant parameter regime. The current IϕSI consists of bootstrap currents due

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5912001e6496097c85b386239e010117
https://doi.org/10.1063/1.2001407

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Helical Magnetic Axis Configuration Combined withl=1 and Weakl=-1 Torsatron Fields

Autor: Shoichi Shiina, Hirokazu Gesso, Katsunori Saito, Hitoshi Kikuchi

Publikováno v: Journal of the Physical Society of Japan. 58:511-518

The superposition of a relatively weak l =-1 torsatron field on a main l =1 torsatron field leads to the improvement of the confinement properties due to the formation of a local magnetic well, which results from the local curvature of the helical ma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64d9fe5f12ffd6d4b26bf1a7e8b11c61
https://doi.org/10.1143/jpsj.58.511

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The Measurement of Soft X-Rays from the STP-3(M) Reversed-Field Pinch Plasma

Autor: Syuichi Yamada, K. Saito, Shoichi Shiina, Hideki Arimoto, Sadao Masamune, Akiko Matsuoka, Koichi Sato, Akiyoshi Nagata

Publikováno v: Journal of the Physical Society of Japan. 56:1282-1285

In STP-3(M) reversed-field pinch plasma, the bursts of soft X-rays are periodically observed in association with the toroidal flux regeneration (dynamo action) using surface barrier diode (SBD). The soft X-ray bursts result from high energy electrons

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::08a2c26275fc6895729e3661711d1c98
https://doi.org/10.1143/jpsj.56.1282

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Equilibrium of high beta plasma in closed magnetic line system (MBT)

Autor: H. Yoshimura, J. Todoroki, Y. Nogi, K. Saito, Y Osaniai, Hirokazu Gesso, Shoichi Shiina, S Hamada

Publikováno v: Plasma Physics and Controlled Fusion. 27:115-131

The beta effects on the plasma equilibrium in Modified Bumby Torus (MBT) sector, which is an asymmetric closed line system with l=0 and fairly large l=+or-1 field distortions, are studied. For this purpose, the equilibrium of high beta plasma produce

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17b252869381783572837d8cdef666f2
https://doi.org/10.1088/0741-3335/27/2/003

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Pitch-Modulatedl=1 Torsatron

Autor: Shoichi Shiina, Katsunori Saito, Hitoshi Kikuchi, Hakaru Ueno

Publikováno v: Journal of the Physical Society of Japan. 58:2779-2788

The pitch modulation on an l =1 torsatron field leads to the improvement of the confinement properties due to the formation of a local magnetic well, the reduction of the field ripple and the increase of the rotational transform. The pitch-modulated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5a4172c8a60f901b30e7b2255840325c
https://doi.org/10.1143/jpsj.58.2779

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