Drift effects in W7-AS limiter and island divertor configurations

被引：8

作者：

Feng, Y ^{[1
]}

Sardei, F ^{[1
]}

Grigull, P ^{[1
]}

Herre, G ^{[1
]}

机构：

[1] Max Planck Inst Plasmaphys, EURATOM Assoc, D-85748 Garching, Germany

来源：

JOURNAL OF NUCLEAR MATERIALS | 1999年 / 266卷

关键词：

W7-AS; drifts; island divertor;

D O I：

10.1016/S0022-3115(98)00622-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Typical B-direction dependent asymmetries observed in the limiter and island SOL of W7-AS low-density ECRH discharges are shortly reviewed and explained in terms of classical drifts. While grad-B drifts are responsible for the up/down asymmetries of the limiter load, E x B drifts associated with temperature inhomogeneities in the plasma give rise to asymmetric plasma distributions in the limiter and island SOL. After a careful analysis of the transport implications of these drifts, simple ID and 2D models have been defined, which reproduce consistently the experimental observations. The main results are confirmed by more rigorous treatment based on the 3D Monte Carlo transport code EMC3. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：928 / 933

页数：6

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