Reduced turbulent transport in the quasi-isodynamic stellarator configuration CIEMAT-QI4

التفاصيل البيبلوغرافية
العنوان: Reduced turbulent transport in the quasi-isodynamic stellarator configuration CIEMAT-QI4
المؤلفون: García-Regaña, J. M., Calvo, I., Sánchez, E., Thiendpondt, H., Velasco, J. L., Capitán, J. A.
سنة النشر: 2024
المجموعة: Physics (Other)
مصطلحات موضوعية: Physics - Plasma Physics
الوصف: CIEMAT-QI4 is a quasi-isodynamic stellarator configuration that simultaneously features very good fast-ion confinement in a broad range of $\beta$ values, low neoclassical transport and bootstrap current, and ideal magnetohydrodynamic stability up to $\beta=5\%$. In this paper it is shown that CIEMAT-QI4 also exhibits reduced turbulent transport. This is demonstrated through nonlinear electrostatic simulations with the gyrokinetic code stella, including kinetic ions and electrons. The relation between reduced turbulent transport and the fact that CIEMAT-QI4 very approximately satisfies the so-called maximum-J property is discussed.
Comment: 11 pages, 8 figures
نوع الوثيقة: Working Paper
الوصول الحر: http://arxiv.org/abs/2404.16440Test
رقم الانضمام: edsarx.2404.16440
قاعدة البيانات: arXiv
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