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

机译:SOLPS-ITER在ASDEX升级中具有激活漂移的激活漂移模型

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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.
机译:我们报告了低场侧雪花减去(LFS SF-)VERERTOR配置的第一个SOLPS-ITER模拟,在ASDEX升级中完全激活了漂移。 与没有漂移的参考情况相比,正常环形磁场配置(B X Del B点到主X点)的模拟显示了更大的低场侧/高场侧不对称,增强的径向横场 运输,以及主要和二次击球点之间的助焊剂再分配。 虽然与总输入功率相比小,但即使在与外部中间平面磁断开的撞击点上也发现电源,这很难通过纯粹的扩散运输来解释。

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