Summary
This paper describes the design and predicted performance of an experimental model dipole constructed to investigate current redistribution in non-insulated, non-transposed REBCO tape-stack cables at liquid nitrogen temperature. The work bridges theoretical circuit modelling with small-scale experimental validation, with findings anticipated to inform design of larger high-field hybrid dipole magnets utilising similar winding configurations.
UK applicability
This is fundamental materials science and superconductivity research with no direct applicability to UK farming systems, soil health, nutrient density or human health—the focus areas of Vitagri's Pulse Brain.
Key measures
Current redistribution dynamics in REBCO tape-stack, tape critical current approach, central magnetic field (~0.25 T), liquid nitrogen temperature operation
Outcomes reported
The study reports the design and predicted operational characteristics of a small-scale model dipole with a racetrack REBCO tape-stack winding to experimentally validate current redistribution dynamics. Key measurements include current redistribution behaviour as tape approaches critical current and comparison of observed dynamics with theoretical predictions from lumped network circuit modelling.
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