Simulation of H-modes discharges in ASDEX-Upgrade and MAST

被引：3
|
作者：
Rozhansky, V. [1 ]
Kaveeva, E. [1 ]
Molchanov, P. [1 ]
Veselova, I. [1 ]
Voskoboynikov, S. [1 ]
Coster, D. [2 ]
Counsell, G. [3 ]
Kirk, A. [3 ]
Lisgo, S. [3 ]
机构：
[1] St Petersburg State Polytech Univ, St Petersburg 195251, Russia
[2] EURATOM, Max Planck Inst Plasmaphys, Garching, Germany
[3] UKAEA Euratom Fus Assoc, Culham Sci Lab, Abingdon OX14 3DB, Oxon, England
来源：
JOURNAL OF NUCLEAR MATERIALS | 2009年 / 390-91卷
基金：
英国工程与自然科学研究理事会;
关键词：
CONSISTENT ELECTRIC-FIELDS; EDGE PLASMA; TRANSPORT;
D O I：
10.1016/j.jnucmat.2009.01.101
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new version of the B2SOLPS5.0 transport code, which is free from numerical problems in the barrier region, has been used to simulate H-mode shots from ASDEX-Upgrade and MAST. The radial electric held inside the edge transport barrier and in the pedestal region is close to the neoclassical prediction. The shear of poloidal (E) over right arrow x (B) over right arrow drift at the inner side of the barrier is close to the value before the transition, while inside the barrier it is significantly larger. It is demonstrated that to match the experimental density and temperature radial profiles the drop in the diffusion coefficient within the barrier should be significantly larger than the drop in the electron heat conductivity. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：408 / 411
页数：4
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