Evolution of free‐boundaries conduction into a superconductor sphere in magnetic variable field

Abstract

Purpose -Presents a study of a bulk superconductor sphere placed in a uniform magnetic induction field b 0 (t). Design/methodology/approach -Adapts some macroscopic laws for the numerical simulation of its evolution. This evolution is determinated by the front tracking method (FTM). Findings -The deduction of some consequences concerning hysteresis losses, and comparison to a direct method are done. Originality/value -Helps to solve some complex three-dimensional eddy current problems in industrial devices.