Wendelstein 7-X中通过剖面整形抑制核心湍流
等离子体物理
2020-10-06 v1
摘要
在Wendelstein 7-X磁约束实验中,湍流密度涨落以及反常杂质扩散的减少与等离子体密度剖面的峰化相关。这些效应与约束改善相关联,并且主要由于反常输运的减少而出现,因为新经典输运的变化很小。所观察到的湍流热通量随密度梯度增大而减小,与非线性回旋动理学模拟一致,并被归因于W7-X限制俘获电子模严重性的独特几何结构。
引用
@article{arxiv.2010.02160,
title = {Suppression of core turbulence by profile shaping in Wendelstein 7-X},
author = {A. v. Stechow and O. Grulke and Th. Wegner and J. H. E. Proll and J. A. Alcusón and H. M. Smith and J. Baldzuhn and C. D. Beidler and M. N. A. Beurskens and S. A. Bozhenkov and E. Edlund and B. Geiger and Z. Huang and O. P. Ford and G. Fuchert and A. Langenberg and N. Pablant and E. Pasch and M. Porkolab and K. Rahbarnia and J. Schilling and E. R. Scott and H. Thomsen and L. Vanó and G. Weir and The W7-X Team},
journal= {arXiv preprint arXiv:2010.02160},
year = {2020}
}