Numerical modelling of a type II superconducting disk electromagnetic launching using a pancake coil
Vilius Vertelis  2, 1, *@  , Saulius Balevicius  1@  , Markus Schneider  2@  
2 : Institut franco-allemand de recherches de Saint-Louis
Institut Franco-allemand de recherches de Saint Louis, Institut franco-allemand de recherches de Saint-Louis
5 rue du Général Cassagnou, BP 70034, 68300 SAINT-LOUIS - France -  France
Saulėtekio av. 3, Vilnius -  Lithuania
* : Corresponding author

In this work, we present a numerical simulation of the magnetic field and electrical current distribution inside a single domain YBCO disc exposed to “tooth” shaped magnetic field pulses generated by a pancake coil. The investigation of the magnetic forces acting on a zero field cooled (ZFC) disc at 77K was carried out in both static and dynamic (vertical acceleration) regimes, assuming that the superconductor is a nonlinear conductor with a “power-law” relationship between the electric field and the current. It was demonstrated that a 170 g mass disk can reach accelerations up to 2.5 km/s2 using magnetic field pulses with amplitudes of several T and rise times of tens of milliseconds

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