4 papers
Exact Solov'ev equilibrium with an arbitrary boundary
A. Y. Aydemir, B. H. Park, K. S. Han
Exact Solov'ev equilibria for arbitrary plasma cross-sections are calculated using a constrained least-squares method. The boundary, with or without -points, can be specified wi…
Role of poloidal-pressure-asymmetry-driven flows in L-H transition and impurity transport during MGI shutdowns
A. Y. Aydemir, B. H. Park, K. S. Han
Poloidal asymmetries in tokamaks are usually investigated in the context of various transport processes, usually invoking neoclassical physics. A simpler approach based on magnetoh…
Vertical Displacement Events in Shaped Tokamaks
A. Y. Aydemir
Computational studies of vertical displacement events (VDE's) in shaped tokamaks are presented. The calculations are performed with our nonlinear, 3D resistive MHD code, CTD, which…
Role of edge poloidal density asymmetry in tokamak confinement
A. Y. Aydemir
Mass flows and radial electric field driven by edge poloidal density asymmetries can be used as a highly effective control mechanism for the edge and thus global confinement in tok…