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Journal Articles

Overview of JT-60U results leading to high integrated performance in reactor-relevant regimes

Fujita, Takaaki; JT-60 Team

Nuclear Fusion, 43(12), p.1527 - 1539, 2003/12

 Times Cited Count:30 Percentile:67.77(Physics, Fluids & Plasmas)

Recent JT-60U results toward high integrated performance are reported with emphasis on the projection to the reactor-relevant regime. N-NB and EC power increased up to 6.2 MW and 3 MW, respectively. A high betap H-mode plasma with full non-inductive current drive has been obtained at 1.8 MA and the fusion triple product reached 3.1E20m$$^{-3}$$keVs. NTM suppression with EC was accomplished using a real-time feedback control system and improvement in betaN was obtained. A stable existence of current hole was observed. High DT-equivalent fusion gain of 0.8 was maintained for 0.55 s in a plasma with a current hole. The current profile control in high bootstrap current reversed shear plasmas was demonstrated using N-NB and LH. A new operation scenario has been established in which a plasma with high bootstrap current fraction and ITBs is produced without the use of OH coil. A new type of AE mode has been proposed and found to explain the observed frequency chirp quite well. Ar exhaust with EC heating was obtained in a high betap mode plasma.

JAEA Reports

Absolute calibration of the neutron yield measurement on JT-60 Upgrade

Nishitani, Takeo; Takeuchi, Hiroshi; Barnes, C. W.*; Iguchi, Tetsuo*; Nagashima, Akira; Kondoh, Takashi; Sakasai, Akira; Itami, Kiyoshi; Tobita, Kenji; Nagashima, Keisuke; et al.

JAERI-M 91-176, 23 Pages, 1991/10

JAERI-M-91-176.pdf:1.08MB

no abstracts in English

Journal Articles

High temperature oxydation of hastelloy X in high velocity, impurified helium

Yamamoto, Katsumune; ;

Nihon Genshiryoku Gakkai-Shi, 17(11), p.609 - 616, 1975/11

no abstracts in English

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