Overview of recent results from MAST

ORAL

Abstract

The MAST programme continues to address key issues for ITER and beyond, whilst undertaking research and development to establish the physics basis for a CTF based upon a spherical tokamak. The programme is benefiting from a range of technical enhancements which include: two long-pulse neutral beam PINIs; a twelve coil array of internal coils for ELM control; a multi-chord MSE diagnostic with 35 channels, 2.5 cm spatial resolution and down to 0.5ms time resolution, a new long pulse 28 GHz gyrotron (on loan from ORNL) allowing EBW start-up studies at higher power; an upgraded Thompson scattering system (240Hz, 120 core channels) together with a ``smart'' triggering system; a divertor science facility; and a disruption mitigation valve (on loan from FZJ). Recent studies include: ELM control using RMPs; transport and confinement including the effects of collisionality; off-axis current drive including the impact of fast particle instabilities; a campaign of counter injected neutral beam; and NTV studies in collaboration with the NSTX team. This presentation will provide an overview of recent results and future plans. Funded by EPSRC and EURATOM.

Authors

  • Simon Pinches

    Euratom/UKAEA Fusion Association