Electron Cyclotron Radiation Studies Using the ASTRA Transport Code Coupled with the Cytran Routine

The non-local effects of the EC radiative transfer on the electron temperature profile are analyzed for hightemperature plasmas as those expected in non-inductive ITER scenarios. For this purpose a 1D transport code has been coupled with a model for the EC radiative power density, and the sensitivity of the electron temperature to the wall-reflectivity has been evaluated. The results obtained by letting the temperature as a free parameter show a broadening of the temperature radial profile when the non-local model is considered. Moreover, the temperature resulting of the steady-state plasma equilibrium is shown to be strongly sensitive to the wall reflectivity.