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Journal Articles

Multi-machine comparisons of H-mode separatrix densities and edge profile behaviour in the ITPA SOL and Divertor Physics Topical Group

Kallenbach, A.*; Asakura, Nobuyuki; Kirk, A.*; Korotkov, A.*; Mahdavi, M. A.*; Mossessian, D.*; Porter, G. D.*

Journal of Nuclear Materials, 337-339, p.381 - 385, 2005/03

 Times Cited Count:66 Percentile:96.55(Materials Science, Multidisciplinary)

Edge profile data for H-mode discharges in 6 tokamaks have been analysed with the main focus on the edge density profile as well as electron temperature and density gradient lengths and steep gradient zone widths. A uniform procedure of data treatment and assignment of the separatrix position via power balance allowed to put the multi-machine data on an even base. The machine size appears to be the leading parameter for the width of the steep edge transport barrier gradient zone, as well as for the temperature decay length at the separatrix. Effects associated with neutral penetration physics are visible in the edge density profile.

Journal Articles

Stiff temperature profiles in JT-60U ELMy H-mode plasmas

Mikkelsen, D. R.*; Shirai, Hiroshi; Urano, Hajime*; Takizuka, Tomonori; Kamada, Yutaka; Hatae, Takaki; Koide, Yoshihiko; Asakura, Nobuyuki; Fujita, Takaaki; Fukuda, Takeshi*; et al.

Nuclear Fusion, 43(1), p.30 - 39, 2003/01

 Times Cited Count:29 Percentile:63.92(Physics, Fluids & Plasmas)

The stiffness of thermal transport in ELMy H-modes is explained in a series of carefully chosen JT-60U plasmas, and measured temperature are compared with the predictions of several transport models. A heating power scan with constant Tped, a scan of pedestal temperature Tped with constant heating power, and an on/off-axis heating comparison are presented. Predictions of the RLWB and IFS/PPPL models generally agree with the measured temperature outside $$r$$$$sim$$0.3$$a$$, but the Multimode model uniformly predicts temperatures that are too high except in the central region.

Journal Articles

Advanced real-time feedback control in JT-60U high performance discharges for application to fusion reactor plasmas

Fukuda, Takeshi; Oikawa, Toshihiro; Takeji, Satoru; Isayama, Akihiko; Kawano, Yasunori; Neyatani, Yuzuru; Nagashima, Akira; Nishitani, Takeo; Konoshima, Shigeru; Tamai, Hiroshi; et al.

Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.357 - 367, 2002/09

 Times Cited Count:7 Percentile:44.29(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Thermal energy confinement properties of ELMy H mode plasmas in JT-60U

Urano, Hajime; Kamada, Yutaka; Shirai, Hiroshi; Takizuka, Tomonori; Ide, Shunsuke; Fujita, Takaaki; Fukuda, Takeshi

Nuclear Fusion, 42(1), p.76 - 85, 2002/01

 Times Cited Count:33 Percentile:69.79(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Correlation between core and pedestal temperatures in JT-60U; Experiment and modeling

Mikkelsen, D. R.*; Shirai, Hiroshi; Asakura, Nobuyuki; Fujita, Takaaki; Fukuda, Takeshi; Hatae, Takaki; Ide, Shunsuke; Isayama, Akihiko; Kamada, Yutaka; Kawano, Yasunori; et al.

IAEA-CN-77 (CD-ROM), 5 Pages, 2001/05

no abstracts in English

Journal Articles

Recent progress toward high performance above the greenwald density limit in impurity seeded discharges in limiter and divertor tokamaks

Ongena, J.*; Budny, R.*; Dumortier, P.*; Jackson, G. L.*; Kubo, Hirotaka; Messiaen, A. M.*; Murakami, Masanori*; Strachan, J. D.*; Sydora, R.*; Tokar, M.*; et al.

Physics of Plasmas, 8(5), p.2188 - 2198, 2001/05

 Times Cited Count:49 Percentile:79.7(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Helium exhaust in divertor-closure configuration with W-shaped divertor of JT-60U

Sakasai, Akira; Takenaga, Hidenobu; Kubo, Hirotaka; Akino, Noboru; Higashijima, Satoru; Sakurai, Shinji; Tamai, Hiroshi; Itami, Kiyoshi; Asakura, Nobuyuki

Journal of Nuclear Materials, 290-293, p.957 - 961, 2001/03

 Times Cited Count:12 Percentile:64.65(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Helium exhaust and forced flow effects with both-leg pumping in W-shaped divertor of JT-60U

Sakasai, Akira; Takenaga, Hidenobu; Higashijima, Satoru; Kubo, Hirotaka; Nakano, Tomohide; Tamai, Hiroshi; Sakurai, Shinji; Akino, Noboru; Fujita, Takaaki; Asakura, Nobuyuki; et al.

IAEA-CN-77 (CD-ROM), 9 Pages, 2001/00

no abstracts in English

Journal Articles

Pedestal structure and thermal energy confinement of ELMy H-mode in JT-60U

Urano, Hajime; Kamada, Yutaka; Kubo, Hirotaka; Sakurai, Shinji; Shirai, Hiroshi; Takizuka, Tomonori; Hatae, Takaki; Ide, Shunsuke; Fujita, Takaaki; Fukuda, Takeshi

Journal of Plasma and Fusion Research SERIES, Vol.4, p.239 - 242, 2001/00

no abstracts in English

Journal Articles

Non-dimensional transport study on ELMy H-mode plasmas in JT-60U

Shirai, Hiroshi; Takizuka, Tomonori; Koide, Yoshihiko; Naito, Osamu; Sato, Masayasu; Kamada, Yutaka; Fukuda, Takeshi

Plasma Physics and Controlled Fusion, 42(11), p.1193 - 1217, 2000/11

 Times Cited Count:56 Percentile:82.34(Physics, Fluids & Plasmas)

no abstracts in English

JAEA Reports

Confinement degradation of high density ELMy H-mode plasmas in JT-60U

Urano, Hajime; Kamada, Yutaka; Shirai, Hiroshi; Takizuka, Tomonori; Ide, Shunsuke; Fujita, Takaaki; Fukuda, Takeshi

JAERI-Research 2000-037, 38 Pages, 2000/10

JAERI-Research-2000-037.pdf:1.59MB

no abstracts in English

Journal Articles

Density dependence of thermal energy confinement properties of ELMy H-mode in JT-60U

Urano, Hajime; Kamada, Yutaka; Shirai, Hiroshi; Takizuka, Tomonori; Ide, Shunsuke; Fujita, Takaaki; Fukuda, Takeshi

Proceedings of 27th European Physical Society Conference on Controlled Fusion and Plasma Physics, p.956 - 959, 2000/00

no abstracts in English

Journal Articles

Particle confinement and transport in JT-60U

Takenaga, Hidenobu; Nagashima, Keisuke; Sakasai, Akira; Asakura, Nobuyuki; Shimizu, Katsuhiro; Kubo, Hirotaka; Higashijima, Satoru; Oikawa, Toshihiro; Shirai, Hiroshi; Fujita, Takaaki; et al.

Nuclear Fusion, 39(11Y), p.1917 - 1928, 1999/11

 Times Cited Count:22 Percentile:57.65(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Steady-state exhaust of helium ash in the W-shaped divertor of JT-60U

Sakasai, Akira; Takenaga, Hidenobu; Hosogane, Nobuyuki; Kubo, Hirotaka; Sakurai, Shinji; Akino, Noboru; Fujita, Takaaki; Higashijima, Satoru; Tamai, Hiroshi; Asakura, Nobuyuki; et al.

Fusion Energy 1998 (CD-ROM), 8 Pages, 1999/00

no abstracts in English

Journal Articles

Helium exhaust in ELMy H-mode plasmas with W-shaped pumped divertor of JT-60U

Sakasai, Akira; Takenaga, Hidenobu; Hosogane, Nobuyuki; Sakurai, Shinji; Akino, Noboru; Kubo, Hirotaka; Higashijima, Satoru; Tamai, Hiroshi; Asakura, Nobuyuki; Itami, Kiyoshi; et al.

Journal of Nuclear Materials, 266-269, p.312 - 317, 1999/00

 Times Cited Count:18 Percentile:77.22(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Role of divertor geometry on detachment and core plasma performance on JT60U

Asakura, Nobuyuki; Hosogane, Nobuyuki; Itami, Kiyoshi; Sakasai, Akira; Sakurai, Shinji; Shimada, Michiya; Kubo, Hirotaka; Higashijima, Satoru; Shimizu, Katsuhiro; Takenaga, Hidenobu; et al.

Journal of Nuclear Materials, 266-269, p.182 - 188, 1999/00

 Times Cited Count:66 Percentile:96.65(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Heat and particle transport of SOL and divertor plasmas in the W shaped divertor on JT-60U

Asakura, Nobuyuki; Sakurai, Shinji; Hosogane, Nobuyuki; Shimada, Michiya; Itami, Kiyoshi; Koide, Yoshihiko; Naito, Osamu

Nuclear Fusion, 39(11Y), p.1983 - 1994, 1999/00

no abstracts in English

Journal Articles

Latest plasma performance and experiments on JT-60U

Tobita, Kenji; JT-60 Team

Plasma Physics and Controlled Fusion, 41(SUPPL.3A), p.A333 - A343, 1999/00

 Times Cited Count:28 Percentile:65.17(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Impurity transport in reversed shear and ELMy H-mode plasmas of JT-60U

Takenaga, Hidenobu; Sakasai, Akira; Koide, Yoshihiko; Sakamoto, Yoshiteru; Kubo, Hirotaka; Higashijima, Satoru; Oikawa, Toshihiro; Shirai, Hiroshi; Fujita, Takaaki; Kamada, Yutaka

Purazuma, Kaku Yugo Gakkai-Shi, 75(8), p.952 - 966, 1999/00

no abstracts in English

Journal Articles

Particle confinement and transport in JT-60U

Takenaga, Hidenobu; Nagashima, Keisuke; Sakasai, Akira; Asakura, Nobuyuki; Shimizu, Katsuhiro; Kubo, Hirotaka; Higashijima, Satoru; Oikawa, Toshihiro; Fujita, Takaaki; Kamada, Yutaka; et al.

Fusion Energy 1998, Vol.2, p.749 - 752, 1998/10

no abstracts in English

27 (Records 1-20 displayed on this page)