Global migration of impurities in tokamaks

被引：15

作者：

Hakola, A. ^{[1
]}

Airila, M. I. ^{[1
]}

Bjorkas, C. ^{[2
]}

Borodin, D. ^{[3
]}

Brezinsek, S. ^{[3
]}

Coad, J. P. ^{[1
]}

Groth, M. ^{[4
]}

Jarvinen, A. ^{[4
]}

Kirschner, A. ^{[3
]}

Koivuranta, S. ^{[1
]}

Krieger, K. ^{[5
]}

Kurki-Suonio, T. ^{[4
]}

Likonen, J. ^{[1
]}

Lindholm, V. ^{[4
]}

Makkonen, T. ^{[4
]}

Mayer, M. ^{[5
]}

Miettunen, J. ^{[4
]}

Mueller, H. W. ^{[5
]}

Neu, R. ^{[5
]}

Petersson, P. ^{[6
]}

Rohde, V. ^{[5
]}

Rubel, M.

Widdowson, A. ^{[7
]}

机构：

[1] VTT Tech Res Ctr Finland, Assoc EURATOM Tekes, FI-02044 Espoo, Finland

[2] Univ Helsinki, Dept Phys, Assoc EURATOM Tekes, FI-00014 Helsinki, Finland

[3] Forschungszentrum Julich GmbH, Inst Energy & Climate Res Plasma Phys, Assoc EURATOM FZJ, D-52425 Julich, Germany

[4] Aalto Univ, Assoc EURATOM Tekes, Dept Appl Phys, FIN-00076 Aalto, Finland

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

[6] Royal Inst Technol, Assoc EURATOM VR, SE-10044 Stockholm, Sweden

[7] Culham Sci Ctr, EURATOM CCFE Fus Assoc, Abingdon OX14 3DB, Oxon, England

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2013年 / 55卷 / 12期

关键词：

ELECTRON-IMPACT DISSOCIATION; SCRAPE-OFF-LAYER; CROSS-SECTIONS; PLASMA; IONIZATION; TRANSPORT; PHYSICS; C-13;

D O I：

10.1088/0741-3335/55/12/124029

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 migration of impurities in tokamaks has been studied with the help of tracer-injection (C-13 and N-15) experiments in JET and ASDEX Upgrade since 2001. We have identified a common pattern for the migrating particles: scrape-off layer flows drive impurities from the low-field side towards the high-field side of the vessel. Migration is also sensitive to the density and magnetic configuration of the plasma, and strong local variations in the resulting deposition patterns require 3D treatment of the migration process. Moreover, re-erosion of the deposited particles has to be taken into account to properly describe the migration process during steady-state operation of the tokamak.

引用

页数：9

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