W. McCarthy T. Golfinopoulos K.B. Woller C. Vincent A. Kuang B. Labombard
For the first time, a digital Mirror Langmuir probe (MLP) has successfully
Preprint PublishedJ. Leland S. Elmore A. Kirk H. v/d Meiden. J. Scholten S. Allan J. W. Bradley
Measurements made using flush-mounted Langmuir probes (FMPs) in tokamaks are difficult to interpret when operating at grazing angles of magnetic field incidence due to the effects of sheath expansion on the probe collection area. The super-X divertor on the upgraded Mega Ampere Spherical Tokamak (MAST-U) will have very shallow angles of magnetic fi…
Preprint PublishedS.Hall P.Jacquet G.Naylor
The Mega Amp Spherical Tokamak (MAST) is currently being extensively upgraded to provide a system that will be able to add to the knowledge base for ITER as well as testing innovative reactor systems such as the Super-X divertor. MAST-U will have increased coil system and power supply capability. Therefore, to ensure operation of MAST-U within safe…
Preprint PublishedNavdeep Mehay
Fusion Power is generated by harnessing the energy released by replicating the fusion processes that happen within stars e.g. The Sun. The Sun uses hydrogen as a fuel and the core temperature of our Sun is estimated to be 15million°C, however the fusion rate for hydrogen is very slow, in order to generate power by the fusion within a machine on…
Preprint PublishedMarco Cecconello A. Sperduti I. Fitzgerald S. Conroy S. J. Holm M. Weiszflog
A Neutron Camera (NC) was used on the Mega Ampere Spherical Tokamak (MAST) to measure the DD neutron emissivity along four collimated lines of sight, two on-axis and two off-axis, all viewing the plasma in tangential direction. The encouraging results obtained suggested that an upgraded NC for MAST-U would provide fundamental information for the st…
Preprint PublishedG. Cunningham
A plasma vertical control system able to control high elongation (∼2.5) plasmas at moderate internalinductance (∼0.9) is analysed, including both active and passive components in a closed loop system.The analysis is based on the RZIp rigid plasma model and this is extensively validated using present dayMAST discharges, especially at the limits …
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