Summary
This paper develops and validates a coupled finite element model to analyse screening current phenomena in ReBCO tape-based superconducting accelerator magnets, specifically the Feather-M2.1-2 dipole. The model, formulated for eddy current problems in the time domain, successfully predicts the dynamic magnetisation behaviour and field quality degradation that could otherwise compromise particle beam stability in high-energy physics applications.
UK applicability
This work is not directly applicable to UK farming systems, soils, or food production. It addresses fundamental physics and engineering challenges in particle accelerator magnet design relevant to large-scale research facilities such as CERN or similar international physics infrastructure.
Key measures
Screening current-induced magnetic field distribution, field quality in magnet aperture, comparison of numerical model predictions with magnetic measurements
Outcomes reported
The study presents a 2D finite element model of the Feather-M2.1-2 superconducting magnet and evaluates the influence of screening current-induced magnetic fields on field quality. Numerical results were validated against available magnetic measurements, demonstrating good agreement.
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