S. S. Medley

TL;DR: The evolution of the density profile in PLT during intense gas puffing is documented and analysed in this paper, showing that charge exchange processes alone cannot account for the central density rise, and that small-scale density fluctuations are increased, and runaway electron losses are increased during the density rise.

TL;DR: A review of TFTR plasma transport studies is presented in this article, where parallel transport and the confinement of suprathermal ions are found to be relatively well described by theory and the underlying turbulence has been studied using microwave scattering, beam emission spectroscopy and microwave reflectometry over a much broader range in k perpendicular to than previously possible.

TL;DR: In this paper, the role of fast ion driven instabilities in fast ion confinement in a spherical tokamak has been evaluated in a proof-of-principle case.

TL;DR: The National Spherical Torus Experiment (NSTX) is the demonstration of the physics basis required to extrapolate to the next steps for the spherical torus (ST), such as a plasma facing component test facility (NHTX) or an ST-based component test facilities (ST-CTF), and to support ITER.

TL;DR: The TFTR tokamak has reached its original machine design specifications (Ip=2.5 MA and BT=5.2 T) by operating at low plasma current and low density (ne approximately=1*1019 m-3), high ion temperatures (9+or2 keV) and rotation speeds (7*105 m/s) have been achieved during injection.