Simon Chislett-McDonald
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View article: In-situ critical current measurements of REBCO coated conductors during gamma irradiation
In-situ critical current measurements of REBCO coated conductors during gamma irradiation Open
Rare-earth-barium-copper-oxide (REBCO) coated conductor tapes within next-generation tokamak pilot and power plant magnets will be exposed to broad-spectrum gamma-ray and neutron irradiation concurrently. It has been known since the 1980s …
View article: Training and Upgrading Tokamak Power Plants with Remountable Superconducting Magnets
Training and Upgrading Tokamak Power Plants with Remountable Superconducting Magnets Open
All high field superconductors producing magnetic fields above 12 T are brittle. Nevertheless, they will probably be the materials of choice in commercial tokamaks because the fusion power density in a tokamak scales as the fourth power of…
View article: The magnetic field, temperature, strain and angular dependence of the critical current density for Nb-Ti
The magnetic field, temperature, strain and angular dependence of the critical current density for Nb-Ti Open
A scaling law for J c in commercial Nb-Ti wire is proposed that describes its magnetic field, temperature and strain dependence. The scaling law is used to fit extensive measurements of the total strand critical current density, J c,TS ( B…
View article: Could High H<sub>98</sub>-Factor Commercial Tokamak Power Plants Use Nb–Ti Toroidal Field Coils?
Could High H<sub>98</sub>-Factor Commercial Tokamak Power Plants Use Nb–Ti Toroidal Field Coils? Open
In large engineering applications, materials that can fail by brittle fracture are avoided if there are practical, ductile alternatives. In recent years, advances in the experimental control and shaping of fusion energy plasmas have produc…