Blob dynamics in an inhomogeneous plasma
作者： K. Bodi , S. I. Krasheninnikov , A. I. Smolyakov
DOI: 10.1063/1.2993211
关键词: Physics 、 Convection 、 Limiter 、 Computational physics 、 Magnetohydrodynamics 、 Numerical analysis 、 Vorticity 、 Plasma 、 Atomic physics 、 Dynamics (mechanics) 、 Acceleration
摘要: Convective blob propagation in the scrape-off-layer and/or limiter shadow region is analyzed analytically and numerically with emphasis on effects of a gradient equilibrium plasma density. The density taken into account beyond Boussineque approximation. It shown that vorticity modification due to leads acceleration for blobs propagating lower de-acceleration toward regions higher Analytical estimates are corroborated by direct numerical simulations.
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