Overview of experiments with the dynamic ergodic divertor on TEXTOR

被引:20
作者
Finken, K. H. [1 ]
Abdullaev, S.
Biel, W.
de Bock, M. F. M.
Brezinsek, S.
Busch, C.
Classen, I.
Harting, D.
von Hellermann, M.
Jachmich, S.
Jakubowski, M.
Jaspers, R.
Koslowski, H. R.
Kraemer-Flecken, A.
Kikuchi, Y.
Lehnen, M.
Liang, Y.
Kobayashi, M.
Nicolai, A.
Pospieszczyk, A.
Reiter, D.
Van Rompuy, T.
Samm, U.
Schmitz, O.
Sergienko, G.
Unterberg, B.
Westerhof, E.
Wolf, R. C.
Zimmermann, O.
机构
[1] Forschungszentrum Julich GmbH, Inst Plasma Phys, EURATOM Assoc, D-52425 Julich, Germany
[2] EURATOM, FOM, Inst Plasma Phys Rijnhuizen, NL-3430 BE Nieuwegein, Netherlands
[3] EURATOM, Plasma Phys Lab, KMS, ERM, B-1000 Brussels, Belgium
[4] Univ Ghent, Dept Appl Phys, B-9000 Ghent, Belgium
[5] Natl Inst Fus Sci, Toki 50952, Japan
关键词
ergodization; laminar zone; ergodic divertor; edge physics;
D O I
10.1002/ctpp.200610038
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 Dynamic Ergodic Divertor (DED) has recently been taken into operation on TEXTOR. The device is rather flexible and allows the investigation of very different questions. In the present context we concentrate on the divertor aspect and on results of the m/n=12/4 base mode. The DED-field generates the proper ergodic zone and an area of open magnetic field lines, the laminar zone and the tangle structure. The properties of the laminar zone resemble the divertor region of a poloidal divertor. However, the distribution of the density and temperature is highly 3D and strongly related to the structure of the laminar and ergodic zones. The structures of the heat and particle fluxes to the wall agree well with the predicted patterns. A prominent feature of the ergodization is the creation of an edge electric field which results in a rotation of the plasma. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:515 / 526
页数:12
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