Abstract
The extended version of the COREDIV code has been used to analyze the combined effect of different impurity species on the ITER–FEAT operation regimes. The core plasma is treated in the frame of 1D radial transport model whereas in the edge the 2D multifluid code EPIT is used. The steady states of ITER–FEAT reactor have been studied numerically and the influence of the core–edge coupling due to the production of the sputtered impurities has been analyzed for nickel and carbon plasma facing components. The effect of injected impurities on the divertor operation and heat removal is addressed.
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