SOLPS-ITER modeling with activated drifts for a snowflake divertor in ASDEX Upgrade

被引：17
|
作者：
Pan, O. [1 ,2 ]
Lunt, T. [1 ]
Wischmeier, M. [1 ]
Coster, D. [1 ]
Stroth, U. [1 ,2 ]
机构：
[1] Max Planck Inst Plasma Phys, D-85748 Garching, Germany
[2] Tech Univ Munich, Phys Dept E28, D-85747 Garching, Germany
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 2020年 / 62卷 / 04期
关键词：
snowflake divertor; SOLPS-ITER simulation; drifts;
D O I：
10.1088/1361-6587/ab7108
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：
We report on the first SOLPS-ITER simulations of a low-field side snowflake minus (LFS SF-) divertor configuration with drifts fully activated in ASDEX Upgrade. Compared to a reference case without drifts, the simulation in normal toroidal magnetic field configuration (B x del B points to the primary X-point) shows a larger low-field-side/high-field-side asymmetry, an enhanced radial cross field transport, as well as a flux redistribution between the primary and secondary strike points. Although small compared to the total input power, power is found even on a strike point magnetically disconnected from the outer mid-plane, which is hard to explain by purely diffusive transport.
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页数：7
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