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Urano, Hajime; Takizuka, Tomonori; Takenaga, Hidenobu; Oyama, Naoyuki; Miura, Yukitoshi; Kamada, Yutaka
Nuclear Fusion, 46(8), p.781 - 787, 2006/08
Times Cited Count:23 Percentile:59.06(Physics, Fluids & Plasmas)The degradation of energy confinement with increased toroidal beta was shown by the non-dimensional analysis in JT-60U. The dependence of the energy confinement on
was examined by both the JT-60U ELMy
-mode confinement database and the dedicated experiment on a single
scan while
and
were kept fixed as well as the other magnetic geometrical parameters. In both cases, the degradation of energy confinement with increasing
was observed, satisfying the relation of
. This dependence is a little weaker than that predicted by the IPB98(y,2) scaling. The fusion power production rate was estimated to increase in proportion to
.
Cordey, J. G.*; Thomsen, K.*; Chudnovskiy, A.*; Kardaun, O. J. W. F.*; Takizuka, Tomonori; Snipes, J. A.*; Greenwald, M.*; Sugiyama, L.*; Ryter, F.*; Kus, A.*; et al.
Nuclear Fusion, 45(9), p.1078 - 1084, 2005/09
Times Cited Count:52 Percentile:81.97(Physics, Fluids & Plasmas)The condition of the latest version of the ELMy H-mode database has been re-examined. It is shown that there is bias in the ordinary least squares regression for some of the variables. To address these shortcomings three different techniques are employed: (a)principal component regression, (b)an error in variables technique and (c)the selection of a better conditioned dataset with fewer variables. Scalings in terms of the dimensionless physics valiables, as well as the standard set of engineering variables, are derived. The new scalings give a very similar performance for existing scalings for ITER at the standard beta, but a much improvement performance at higher beta.
Yoshida, Hidetoshi; JT-60 Team
Fusion Technology, 26, p.406 - 417, 1994/11
no abstracts in English
Tsuji, Shunji; Hosogane, Nobuyuki; Itami, Kiyoshi; Kubo, Hirotaka; Nishitani, Takeo; Shimada, Michiya; Koide, Yoshihiko; ; Sugie, Tatsuo; Nagashima, Keisuke; et al.
Nuclear Fusion, 32(8), p.1313 - 1330, 1992/00
Times Cited Count:7 Percentile:32.62(Physics, Fluids & Plasmas)no abstracts in English
Yamagiwa, Mitsuru
Plasma Physics and Controlled Fusion, 34(5), p.715 - 723, 1992/00
no abstracts in English
Yoshino, Ryuji; Kamada, Yutaka; Shimizu, Katsuhiro; Ozeki, Takahisa; Hirayama, Toshio; Sugie, Tatsuo; Nishitani, Takeo
Kaku Yugo Kenkyu, 65(SPECIAL ISSUE), p.163 - 183, 1991/03
no abstracts in English
; ; ; ; JT-60 Team
JAERI-M 87-029, 30 Pages, 1987/03
no abstracts in English
; ; ; ; Yoshida, H.; ; ; ; ; ; et al.
JAERI-M 87-008, 25 Pages, 1987/02
no abstracts in English
Sengoku, Seio
JAERI-M 86-036, 13 Pages, 1986/03
no abstracts in English
Sengoku, Seio
JAERI-M 86-034, 7 Pages, 1986/03
no abstracts in English
JAERI-M 8621, 93 Pages, 1980/01
no abstracts in English