JOREK is a massively parallel fully implicit non-linear extended magneto-hydrodynamic
(MHD) code for realistic tokamak X-point plasmas. It has become a widely used versatile …

Fusion power could be one of very few sustainable options to replace fossil fuels as the
world's primary energy source. Fusion offers the potential of predictable, safe power with no …

Varying the neutral beam injection (NBI) mix reveals a clear pedestal-top rotation threshold
for edge localized mode (ELM) suppression by resonant magnetic perturbations (RMPs) …

The challenge of integrated exhaust consistent with the other requirements in DEMO and
power plant class tokamaks (ITER-like and alternative DEMOs, Fusion Nuclear Science …

We present results of recent studies of merging/reconnection heating during central solenoid
(CS)-free plasma startup in the Mega Amp Spherical Tokamak (MAST). During this process …

Velocity-space tomography provides a way of diagnosing fast ions in a fusion plasma by
combining measurements from multiple instruments. We use a toroidally viewing and a …

Ion heating/transport and its fine structure formation process through magnetic reconnection
have been investigated by high guide field tokamak merging experiments in TS-3 and TS …

An innovative tangential-view soft x-ray (SXR) tomographic imaging measurement was
developed on the TS-6 spherical tokamak merging device as a key diagnostic for …

Shaping effect on the plasma response to the externally applied resonant magnetic
perturbation field is investigated for both DIII-D and MAST experiments, utilizing toroidal …

Here we report the ion heating/transport characteristics of the merging startup scenario in
the TS-6 spherical tokamak. In addition to the previously investigated impulsive heating …