Speaker
Amro Bader
(Tokamak Scenario Development Department)
Description
The use of efficient heating and current drive systems is an important research priority for DEMO. The Ion Cyclotron Resonance Heating (ICRH) is one such system justified by its inherent advantages, though in its present status (antenna situated in a port in the Vacuum Vessel (VV) is unacceptable for DEMO, where tritium self-sufficiency is to be demonstrated, and reducing the openings in the VV is essential (since they contribute to tritium breeding). To address these issues, a novel ICRH concept is currently under development, consisting of a toroidally continuous antenna, integrated in the First Wall (FW). Such configuration calls for a strong machine integration; it is therefore important that the ICRH antenna is considered from the beginning in the machine design.
Major engineering constraints are imposed by the machine, including the hosting blanket modules, where the antenna will have e.g. to not impair the blanket functions (including shielding and tritium breeding) and have the same level of operational safety as the FW, but also by the Remote Handling (RH) process, where the antenna and feeding lines will have to be integrated in a way so that no complexity in the RH procedure is added.
This abstract describes the most up to date engineering constraints imposed by the present DEMO configuration, serving as guidance for the ongoing antenna design process.
This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014-2018 under grant agreement No 633053. The views and opinions expressed herein do not necessarily reflect those of the European Commission
Co-authors
Amro Bader
(Tokamak Scenario Development Department, Max Planck Institute for Plasma Physics, D-85748, Garching Bei Munchen, Germany)
Jean-Marie Noterdaeme
(Tokamak Scenario Development Department, Max Planck Institute for Plasma Physics, D-85748, Garching Bei Munchen, Germany;Applied Physics Department, Ghent University, B-9000 Gent, Belgium)
WPHCD Team EUROfusion
(Power Plant Physics and Technology Unit (PPPU), EUROfusion, D-85748, Garching Bei Munchen, Germany)
