First-principle integrated modelling of the main scenarios of the new Divertor Tokamak Test facility

In the European Roadmap towards thermonuclear fusion power production, studying the controlled exhaust of energy and particles from a fusion reactor is a top priority research item. This is the main goal of the Divertor Tokamak Test (DTT) facility, a D-shaped superconducting tokamak (R = 2.19 m, a = 0.70 m, BT <= 6 T, Ip <= 5.5 MA, pulse length <= 100 s, auxiliary heating <= 45 MW, W first wall and divertor), whose construction is starting in Frascati. In order to support the device design and to help the elaboration of a DTT scientific work-programme, it is a key priority to achieve multi-channel integrated modelling of DTT scenarios based on state-of-art first-principle quasi-linear transport models. First modelling results of the main DTT scenarios are presented here. Steady-state profiles of ion and electron temperatures, densities, rotation, and current density were predicted with a calculated self-consistent equilibrium, with turbulent heat and particle transport calculated by the TGLF or QLK transport models, and with heating modelled self-consistently. As a result of this work, the heating mix was defined and reference profiles have been become available.