Self-Consistent COREDIV Modelling of WEST Plasma Scenarios

被引：9

作者：

Marandet, Y. ^{[1
]}

Ivanova-Stanik, I. ^{[2
]}

Zagorski, R. ^{[2
]}

Bourdelle, C. ^{[3
]}

Bucalossi, J. ^{[3
]}

Bufferand, H. ^{[3
]}

Ciraolo, G. ^{[3
]}

Tsitrone, E. ^{[3
]}

机构：

[1] Aix Marseille Univ, CNRS, PIIM, UMR 7345, F-13397 Marseille 20, France

[2] EURATOM, Inst Plasma Phys & Laser Microfus, PL-01497 Warsaw, Poland

[3] CEA, IRFM, F-13108 St Paul Les Durance, France

来源：

CONTRIBUTIONS TO PLASMA PHYSICS | 2014年 / 54卷 / 4-6期

关键词：

Tokamak; integrated modelling; core plasma; edge plasma; DENSITY REGIMES; DIVERTOR;

D O I：

10.1002/ctpp.201410051

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 importance of core-edge coupling in the WEST tokamak via tungsten production and core radiation is investigated with the COREDIV code. We first focus on the idealized situation where the plasma is free of light impurities, and show that for achievable high density discharges tungsten production can be essentially extinguished. For lower densities, core edge coupling is strong, that is tungsten plays a major role in regulating the power flowing through the Scrape-off layer. The latter is found to saturate with increasing heating power due to increasing radiation losses in the core. Then we investigate the extent to which light impurities change this picture by performing a scan in boron concentration, since Ion Cyclotron Resonance Heating antenna protections may be boron coated. (C) 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：353 / 357

页数：5

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