S. O. Makarov, D. P. Coster, T. Gleiter, D. Brida, M. Muraca, R. Dux, P. David, B. Kurzan, X. Bonnin, M. O'Mullane, ASDEX Upgrade Team
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引用次数: 0
摘要
部分分离 H 模式是未来热核实验堆运行的基线机制。使用 SOLPS-ITER 代码对 ASDEX 升级版部分分离 H 模式进行了建模，并将其与实验数据进行了比较。首次模拟了刮除层（SOL）和岔流器中的硼（B）杂质。讨论了分流器诊断之间的比较以及朗缪尔探针和分流器汤姆逊散射/斯塔克展宽诊断之间的差异。在建模过程中，如果使用氮（N）杂质播种来实现 SOL 和掺杂器中的实验辐射水平，则可以再现实验目标轮廓。测辐射测量检测到来自部分分离的外撞击点的大量辐射。利用 B 辐射，可以在建模中再现螺栓测量数据中的这一最大值，而仅利用 N 则无法实现这一点。
First SOLPS-ITER simulations of ASDEX Upgrade partially detached H-mode with boron impurity: The missing radiation at the outer strike-point region
Partially detached H-modes are the baseline regime for the future ITER operation. The ASDEX Upgrade partially detached H-mode is modeled using the SOLPS-ITER code with drifts enabled and compared with experimental data. For the first time, boron (B) impurity is simulated in the Scrape-off layer (SOL) and divertor. A comparison between divertor diagnostics and discrepancies between Langmuir probe and Divertor Thomson scattering/Stark broadening diagnostic are discussed. In the modeling, experimental target profiles are reproduced if the experimental level of radiation in the SOL and divertor is achieved using nitrogen (N) impurity seeding. Bolometry measurements detect substantial radiation from the partially detached outer strike point. With B radiation, this maximum in bolometry data is reproduced in the modeling, which is not possible with N alone.
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