Influence of Core-SOL Coupling on Ignition Conditions and Heat Removal in ITER-like Reactor

Power Load Reduction due to Impurity Radiation in ITER-like Reactor

“…As in [9] and in the case of the 0-D model [2] there is a value of the edge plasma density n th es below which no burning plasma exists. As in [9] and in the case of the 0-D model [2] there is a value of the edge plasma density n th es below which no burning plasma exists.…”

“…Only in this limiting case the coupling between the core and the SOL plasma is strong due to the line radiation of sputtered impurities and determines ignition conditions in the device in contrast to the ITER-EDA where the core-SOL coupling was important almost for all values of the edge plasma densities [9]. As a consequence the plate temperature is lower and the sputtering processes are strongly reduced and are important only for very low particle fluxes (low values of plasma density at the separatrix) to the SOL and/or small concentrations of additional impurity.…”