Pumping effect on the divertor plasma and detachment in the JT-60U W-shaped divertor

被引：10

作者：

Asakura, N ^{[1
]}

Sakurai, S ^{[1
]}

Tamai, H ^{[1
]}

Koide, Y ^{[1
]}

Sakamoto, Y ^{[1
]}

Naito, O ^{[1
]}

Kubo, H ^{[1
]}

Itami, K ^{[1
]}

Masaki, K ^{[1
]}

机构：

[1] Japan Atom Energy Res Inst, Naka Fus Res Estab, Naka, Ibaraki 31101, Japan

来源：

JOURNAL OF NUCLEAR MATERIALS | 2001年 / 290卷

关键词：

JT-60U; plasma flow; divertor pumping;

D O I：

10.1016/S0022-3115(00)00538-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Effects of the divertor pumping on the SOL plasma flow and neutral recycling were investigated under high density and detached divertor conditions, using reciprocating Mach probes at the outer midplane and just below the divertor x-point. For the divertor pumping from inner and outer sides of the private dome (both-sides pumping), plasma flow in the outer divertor was increased compared to that for the inner-side pumping case (i.e., closing the outer pumping slot) when the plasma detachment appeared on the divertor target. Partially detached plasma was maintained at the inner and outer divertor without causing x-point MARFE, and in-out symmetrical profiles of D-alpha brightness and ion flux were observed. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：825 / 828

页数：4

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