Stable sustainment of plasmas with electron internal transport barrier by ECH in the LHD

被引：4

作者：

Yoshimura, Y. ^{[1
]}

Kasahara, H. ^{[1
]}

Tokitani, M. ^{[1
,2
]}

Sakamoto, R. ^{[1
,2
]}

Ueda, Y. ^{[3
]}

Marushchenko, N. B. ^{[4
]}

Seki, R. ^{[1
,2
]}

Kubo, S. ^{[1
,5
]}

Shimozuma, T. ^{[1
]}

Igami, H. ^{[1
]}

Takahashi, H. ^{[1
,2
]}

Tsujimura, T. I. ^{[1
]}

Makino, R. ^{[1
]}

Kobayashi, S. ^{[1
]}

Ito, S. ^{[1
]}

Mizuno, Y. ^{[1
]}

Okada, K. ^{[5
]}

Akiyama, T. ^{[1
]}

Tanaka, K. ^{[1
]}

Tokuzawa, T. ^{[1
]}

Yamada, I. ^{[1
]}

Yamada, H. ^{[1
,2
]}

Mutoh, T. ^{[6
]}

Takeiri, Y. ^{[1
,2
]}

机构：

[1] Natl Inst Nat Sci, Natl Inst Fus Sci, Toki, Gifu, Japan

[2] Grad Univ Adv Studies SOKENDAI, Dept Fus Sci, Hayama, Japan

[3] Osaka Univ, Grad Sch Engn, Osaka, Japan

[4] Max Planck Inst Plasma Phys, EURATOM Assoc, Greifswald, Germany

[5] Nagoya Univ, Nagoya, Aichi, Japan

[6] Chubu Univ, Kasugai, Aichi, Japan

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2018年 / 60卷 / 02期

关键词：

long pulse discharge; electron cyclotron heating; internal transport barrier; LHD; CONFINEMENT; OPERATION; PROGRESS;

D O I：

10.1088/1361-6587/aa9950

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The long pulse experiments in the Large Helical Device has made progress in sustainment of improved confinement states. It was found that steady-state sustainment of the plasmas with improved confinement at the core region, that is, electron internal transport barrier (e-ITB), was achieved with no significant difficulty. Sustainment of a plasma having e-ITB with the line average electron density n(e_ave) of 1.1 x 10(19) m(-3) and the central electron temperature T-e0 of similar to 3.5 keV for longer than 5 min only with 340 kW ECH power was successfully demonstrated.

引用

页数：7

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