IMAS modelling of First Wall EC heat loads for the ITER rebaseline

Abstract

This paper describes the modelling work carried out within the ITER Integrated Modelling and Analysis Suite (IMAS) [1] using the TORBEAM wave code [2] to estimate heat loads on the first wall (FW) from operating the Electron Cyclotron (EC) system in various scenarios of the ITER new baseline currently under preparation. These results provide guidance on how to best operate the EC system in terms of polarisation and operating launchers for the various phases of the Research Plan and of a pulse, to limit FW heat loads. Strategies to best protect the FW from EC power losses are also discussed.