Energy confinement time and heat transport in initial neutral beam heated plasmas on the large helical device

被引：59

作者：

Yamada, H ^{[1
]}

Watanabe, KY ^{[1
]}

Sakakibara, S ^{[1
]}

Murakami, S ^{[1
]}

Osakabe, M ^{[1
]}

Kaneko, O ^{[1
]}

Narihara, K ^{[1
]}

Tanaka, K ^{[1
]}

Ida, K ^{[1
]}

Minami, T ^{[1
]}

Goto, M ^{[1
]}

Idei, H ^{[1
]}

Inagaki, S ^{[1
]}

Kado, S ^{[1
]}

Kawahata, K ^{[1
]}

Komori, A ^{[1
]}

Kubo, S ^{[1
]}

Miyazawa, J ^{[1
]}

Morisaki, T ^{[1
]}

Morita, S ^{[1
]}

Nakanishi, H ^{[1
]}

Ohdachi, S ^{[1
]}

Ohyabu, N ^{[1
]}

Oka, Y ^{[1
]}

Peterson, BJ ^{[1
]}

Sakamoto, R ^{[1
]}

Shoji, M ^{[1
]}

Suzuki, H ^{[1
]}

Takeiri, Y ^{[1
]}

Toi, K ^{[1
]}

Tokuzawa, T ^{[1
]}

Tsumori, K ^{[1
]}

Yamada, I ^{[1
]}

Ohkubo, K ^{[1
]}

Sudo, S ^{[1
]}

Yamazaki, K ^{[1
]}

机构：

[1] Natl Inst Fus Sci, Gifu 5095292, Japan

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.84.1216

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The confinement characteristics of large net-current-fret plasmas heated by neutral-beam injection have been investigated in the Large Helical Device (LHD). A systematic enhancement in energy-confinement times from the scaling derived from the medium-sized heliotron/torsatron experiments have been observed, which is attributed to the edge pedestal. The core confinement is scaled with the Bohm term divided by the square root of the gyro radii. The comparative analysis using a dimensionally similar discharge in the Compact Helical System indicates gyro-Bohm dependence in the core and transport improvement in the edge region of LHD plasmas.

引用

页码：1216 / 1219

页数：4

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