<RESEARCH REPORT>DENSITY FLUCTUATIONS AND PARTICLE/THERMAL TRANSPORT FOR OHMICALLY AND AUXILIARILY HEATED PLASMAS IN THE JIPP T-IIU TOKAMAK
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概要
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This paper reports the study of the microturbulence excited in ohmically heated (OH) and auxiliarily heated plasmas in the JIPP T-IIU tokamak. In high density OH plasmas, it has been found that the energy confinement time deviates from the Alcator scaling and at the same time the ion mode which propagates in the ion diamagnetic drift direction is excited in addition to the electron mode. The value of η_i=(dlnT_i/dlnn_i) evaluated experimentally is about 1.0-1.2 when the ion mode is excited. In high power auxiliarily heated plasmas where the ion mode is also observed, the ion thermal diffusivity around γ/α≃0.5 is 2-5 times larger than the neoclassical values. From the analysis of time evolution of the density profile after the injection of an ice pellet, the particle diffusivity D and the convective velocity ν are estimated to be D=0.4-0.7m^2/s and ν=4-8m/s at γ/α≃0.5 for OH plasmas.
- 核融合科学研究所の論文
著者
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Obiki Tokuhiro
Kyushu Institute Of Information Sciences
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KUMAZAWA R.
Research Information Center, Institute of Plasma Physics, Nagoya University
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ADATI K.
Research Information Center, Institute of Plasma Physics, Nagoya University
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AOKI T.
Research Information Center, Institute of Plasma Physics, Nagoya University
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HIDEKUMA S.
Research Information Center, Institute of Plasma Physics, Nagoya University
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KAWAMOTO T.
Research Information Center, Institute of Plasma Physics, Nagoya University
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Aoki T.
Research Information Center Institute Of Plasma Physics Nagoya University
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Kawamoto T.
Research Information Center Institute Of Plasma Physics Nagoya University
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Kaneko O.
Research Information Center, Institute of Plasma Physics, Nagoya University
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Hayashi Y.
Research Information Center Institute Of Plasma Physics Nagoya University
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Ikegami H.
Research Information Center Institute Of Plasma Physics Nagoya University
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Adati K.
Research Information Center Institute Of Plasma Physics Nagoya University
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Sato K.
Research Information Center Institute Of Plasma Physics Nagoya University
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Kawahata K.
Research Information Center Institute Of Plasma Physics Nagoya University
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Hiroe S.
Research Information Center Institute Of Plasma Physics Nagoya University
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HAMADA Y.
Research Information Center, Institute of Plasma Physics, Nagoya University
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ANDO A.
Research Information Center, Institute of Plasma Physics, Nagoya University
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AKIYAMA R.
Research Information Center, Institute of Plasma Physics, Nagoya University
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ANDO R.
Research Information Center, Institute of Plasma Physics, Nagoya University
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FUJITA J.
Research Information Center, Institute of Plasma Physics, Nagoya University
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HIROKURA S.
Research Information Center, Institute of Plasma Physics, Nagoya University
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IDA K.
Research Information Center, Institute of Plasma Physics, Nagoya University
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KADOTA K.
Research Information Center, Institute of Plasma Physics, Nagoya University
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KAKO E.
Research Information Center, Institute of Plasma Physics, Nagoya University
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KARITA A.
Research Information Center, Institute of Plasma Physics, Nagoya University
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KAWASUMI Y.
Research Information Center, Institute of Plasma Physics, Nagoya University
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KITAGAWA S.
Research Information Center, Institute of Plasma Physics, Nagoya University
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KOJIMA M.
Research Information Center, Institute of Plasma Physics, Nagoya University
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KUBO S.
Research Information Center, Institute of Plasma Physics, Nagoya University
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Bi D.G.
Research Information Center, Institute of Plasma Physics, Nagoya University
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Koumoto T.
Research Information Center, Institute of Plasma Physics, Nagoya University
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Kubota Y.
Research Information Center, Institute of Plasma Physics, Nagoya University
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Bi D.g.
Research Information Center Institute Of Plasma Physics Nagoya University:southwestern Institute Of
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Miyamoto K.
Dept. Biol. Fac. Sci. Tokyo Metro. Univ.
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Kako E.
Research Information Center Institute Of Plasma Physics Nagoya University:national Laboratory For Hi
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Kawasumi Y.
Research Information Center Institute Of Plasma Physics Nagoya University
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Kitagawa S.
Research Information Center Institute Of Plasma Physics Nagoya University
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Hamamoto M.
Research Information Center Institute Of Plasma Physics Nagoya University:dep. Of Engineering Oita U
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Hirokura S.
Research Information Center Institute Of Plasma Physics Nagoya University
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Sunako K.
Research Information Center Institute Of Plasma Physics Nagoya University:tokai University
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Kadota K.
Research Information Center Institute Of Plasma Physics Nagoya University
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Akaishi K.
Research Information Center Institute Of Plasma Physics Nagoya University
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Karita A.
Research Information Center Institute Of Plasma Physics Nagoya University
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Obiki T.
Faculty Of Engineering Hiroshima University
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Matsuura K.
Dept. Biol. Fac. Sci. Tokyo Metro. Univ.
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Ando R.
Research Information Center Institute Of Plasma Physics Nagoya University
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Sato K.
Dept. Biol. Fac. Sci. Tokyo Metro. Univ.
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Ida K.
Research Information Center Institute Of Plasma Physics Nagoya University
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Ikegami H.
Institute Of Plasma Physics Nagoya University
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Fujita J.
Research Information Center Institute Of Plasma Physics Nagoya University
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Sato K.
Research Information Center Institute Of Plasma Physics Nagoya University:tokai University
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Mohri A.
Research Information Center Institute Of Plasma Physics Nagoya University
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Iguchi H.
Research Information Center Institute Of Plasma Physics Nagoya University
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Okamura S.
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Applied Phys
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Osanai Y.
Research Information Center Institute Of Plasma Physics Nagoya University
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Akiyama R.
Research Information Center Institute Of Plasma Physics Nagoya University
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Ohkubo K.
Research Information Center Institute Of Plasma Physics Nagoya University
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Kawahata K.
Plasma Physics Laboratory Kyoto University
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Ikegami H.
Research Information Center Institute Of Plasma Physice Nagoya University
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Hamada Y.
Research Information Center Institute Of Plasma Physics Nagoya University
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Ando A.
Research Information Center Institute Of Plasma Physics Nagoya University
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Ogawa I.
Research Information Center Institute Of Plasma Physics Nagoya University
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Okubo Y.
Institute Of Plasma Physics Nagoya University
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