Superconductor levitation
QuickField simulation example
Problem Type
Axisymmetric problem of magnetostatics.
Geometry
Given
Permanent magnet permeability μ=1, coercive force Hc = 575 kA/m.
Magnetization curve to simulate superconductor
Task
Calculate the force acting on a superconductor.
Solution
To avoid the influence of the boundaries while modelling the unbounded problem, we'll enclose the magnet in a rectangular region of air and specify zero Dirichlet boundary condition on its sides.
Magnetization of straight parts of the magnet is specified in terms of coercive force vector. Effective surface currents simulate magnetization in the middle curved part of the magnet.
Results
In these five pieces model series is showed the levitation effect of superconductors with different air gap between magnet and the superconductor. QuickField provides the possibility to study the performance of superconductors.
This is the only software, which is capable to take the characteristic of superconductors. There are different applications of superconductors for example in magnetic bearing or fast-train levitation.
- Video: Nonlinear permanent magnet. Watch on YouTube
- View simulation report in PDF.
- Download simulation files (files may be viewed using any QuickField Edition).