Impurity transport and its modification by MHD in tokamak plasmas, with application to tungsten in WEST
Abstract
Neoclassical impurity transport & poloidal asymmetry
-Can be determined analytically in a self-consistent way
-Natural asymmetry (no torque) has already a large impact A magnetic island suppresses thermal screening above a critical size
-Verified numerically on a typical WEST plasma equilibrium
-When impurity transport is predominantly turbulent (as on WEST) Poloidal asymmetry remains essentially neoclassical
Origin : Files produced by the author(s)