How to choose the superconducting material law for the modelling of 2G-HTS coils

BC Robert, MU Fareed, HS Ruiz - Materials, 2019 - mdpi.com
In an attempt to unveil the impact of the material law selection on the numerical modelling
and analysis of the electromagnetic properties of superconducting coils, in this paper we …

[HTML][HTML] Electromagnetic analysis and AC losses of triaxial cables with multiple 2G-HTS layers per phase

M Clegg, HS Ruiz - Superconductivity, 2023 - Elsevier
For an accurate estimation of the AC losses of superconducting triaxial cables, in this paper
we present a two-dimensional model capable to provide a global assessment of multi-layer …

3D modelling and validation of the optimal pitch in commercial CORC cables

MU Fareed, M Kapolka, BC Robert… - IOP Conference …, 2022 - iopscience.iop.org
Conductor on a rounded core (CORC®) cables with current densities beyond 300 A/mm-2 at
4.2 K, and a capacity to retain around 90% of critical current after bending to a diameter of …

Impact of the magneto angular dependence of the critical current density in CORC cables

M Clegg, M Kapolka, HS Ruiz - IEEE Transactions on Applied …, 2022 - ieeexplore.ieee.org
With the advent of CORC cables as one of themost suitable conductor technologies for the
development of ultra high magnetic field applications, the understanding of their physical …

Maximum reduction of energy losses in multicore MgB2 wires by metastructured soft-ferromagnetic coatings

M Kapolka, HS Ruiz - Scientific Reports, 2022 - nature.com
When compared with rare-earth coated conductors, magnesium diboride superconducting
cables are known to show significant advantages by cost and easy production. However, the …

Magnetic cloaking by a paramagnet/superconductor cylindrical tube in the critical state

SV Yampolskii, YA Genenko - Applied Physics Letters, 2014 - pubs.aip.org
Cloaking of static magnetic fields by a finite thickness type-II superconductor tube being in
the full critical state and surrounded by a coaxial paramagnet shell is studied. On the basis …

Finite-element simulations of hysteretic alternating current losses in a magnetically coated superconducting tubular wire subject to an oscillating transverse magnetic …

YA Genenko, H Rauh, S Kurdi - Journal of Applied Physics, 2015 - pubs.aip.org
Numerical simulations of hysteretic ac losses in a tubular superconductor/paramagnet
heterostructure subject to an oscillating transverse magnetic field are performed within the …

Electric field and energy losses of rounded superconducting/ferromagnetic heterostructures at self-field conditions

MU Fareed, BC Robert, HS Ruiz - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The ac losses induced by an alternating transport current in type-II superconductors is a well-
known phenomenon, which still attracts much attention because of its intrinsic relevance for …

Magnetic characteristics and AC losses of DC type-II superconductors under oscillating magnetic fields

BC Robert, HS Ruiz - Superconductor Science and Technology, 2018 - iopscience.iop.org
Remarkable features on the magnetic moment of type-II superconducting (SC) wires of
cylindrical shape, subjected to direct current conditions (DC) and transverse oscillating (AC) …

Local electromagnetic properties and hysteresis losses in uniformly and non-uniformly wound superconducting racetrack coils

BC Robert, MU Fareed, HS Ruiz - Journal of applied physics, 2019 - pubs.aip.org
A noteworthy physical dependence of the hysteresis losses with the axial winding
misalignment of superconducting racetrack coils made with commercial second generation …