Predictive modelling of the impact argon injection on H-mode plasmas in JET with the RITM code

被引：13
|
作者：
Unterberg, B
Kalupin, D
Tokar, MZ
Corrigan, G
Dumortier, P
Huber, A
Jachmich, S
Kempenaars, M
Kreter, A
Messiaen, AM
Monier-Garbet, P
Ongena, J
Puiatti, ME
Valisa, M
von Hellermann, M
机构：
[1] Forschungszentrum Julich, Inst Plasmaphys, EURATOM Assoc, D-52425 Julich, Germany
[2] UKAEA Euratom Fus Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England
[3] Ecole Royale Militaire, Koninklijke Militaire Sch, EURATOM Assoc, Plasma Phys Lab, B-1000 Brussels, Belgium
[4] EURATOM, FOM, Inst Plasmafys Rijnhuizen, NL-3430 BE Nieuwegein, Netherlands
[5] CEA, EURATOM Assoc, DRFC, St Paul Les Durance, France
[6] ENEA, EURATOM Assoc, Consorzio RFX, Padua, Italy
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 2004年 / 46卷
关键词：
D O I：
10.1088/0741-3335/46/5A/026
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：
Self-consistent modelling of energy and particle transport of the plasma background and impurities has been performed with the code RITM for argon seeded high density H-mode plasmas in JET The code can reproduce both the profiles in the plasma core and the structure of the edge pedestal. The impact of argon on core transport is found to be small; in particular, no significant change in confinement is observed in both experimental and modelling results. The same transport model, which has been used to reproduce density peaking in the radiative improved mode in TEXTOR, reveals a flat density profile in Ar seeded JET H-mode plasmas in agreement with the experimental observations. This behaviour is attributed to the rather flat profile of the safety factor in the bulk of H-mode discharges.
引用
收藏
页码：A241 / A247
页数：7
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