A simulation study on inductive ITB control in reversed shear tokamak discharges

摘要: A self-consistent simulation, including a model for improved core energy confinement, demonstrates that externally applied, inductive current perturbations can be used to control both the location and strength of internal transport barriers (ITBs) in fully non-inductive tokamak discharge. We find ITB structures formed with broad sources such as LHCD are more readily controlled than those by localized ECCD. Through this external magnetic shear profile, we maintain which is otherwise prone deteriorate when bootstrap increases. The perturbation, implemented weak Ohmic power, offers steady-state, advanced reactors an means efficient regulating fusion-burn net output spatial profile.