# Research data supporting "Modelling and mitigating flux jumps in bulk high-temperature superconductors during quasi-static, high-field magnetisation"

Research data supporting "Modelling and mitigating flux jumps in bulk high-temperature superconductors during quasi-static, high-field magnetisation." The dataset related to this publication ("Modelling Mitigating Flux Jumps Dataset 27-9-22.xlsx") can be opened in Microsoft Excel.

Sheet 1: FCM 77K - Fig 3

Data from figure 3 of the manuscript, showing the trapped magnetic flux density (numerical and experimental), with radius of the bulk, measured from the top surface of the top-bulk. Numerical data generated by COMSOL Multiphyics; experimental data from reference [21] - see main manuscript.

Sheet 2: FCM 23K to 40K - Fig 4

Data from figure 4 of the manuscript, describing the numerical and experimental FCM data (i.e. trapped magnetic flux density, and temperature) with time, for the series of magnetisations between 23 K and 40 K with (peak) applied fields of 15 T to 18 T. Numerical data generated by COMSOL Multiphyics; experimental data from reference [21] - see main manuscript.

Sheet 3: Flux Jump from ‘22T-23K’ model data

Data from figure 5, describing the FC magnetisation of the bulk-pair, during which the flux jump occurs (and was successfully and accurately modelled). The magnetic flux density and temperature (calculated at H.P. 1/2 and T.P. 1/2) are shown, compared to the experimentally obtained data. Numerical data generated by COMSOL Multiphyics; experimental data from reference [21] - see main manuscript.

Sheet 4: Extension Study: Ac

Data from figures 10, 11 and 12 is given here, describing the numerical data generated from the extension study investigating the effect of varying the factor of Ac (which is loosely the cooling power of the bulk-pair, see main manuscript, section 5.1, for more information). The time dependence of the flux jump, and resulting trapped magnetic flux density on the value of Ac is given. Numerical data generated by COMSOL Multiphyics - see main manuscript.

Sheet 5: Extension Study: L

Data from figure 14 is given here, describing the numerical data generated from the extension study investigating a proposed composite bulk-pair consisting of a stack of (Y)-BaCuO bulks interspaced by thin copper layers (see main manuscript, section 5.2, for more information). The time dependence of the flux jump, and resulting trapped magnetic flux density on the value of layer number (L) is given. Numerical data generated by COMSOL Multiphyics - see main manuscript.

## Funding

### Portable, high magnetic field charging of bulk superconductors for practical engineering applications

Engineering and Physical Sciences Research Council

Find out more...