Industrial Educational Scientific Sample problems Examples gallery Step-by-step tutorials Verification examples Programming examples Distributive examples Success stories Customers Main >> Applications >> Sample problems >> Superconducting bowl shield with the optional layer of mu-metal Superconducting bowl shield with the optional layer of mu-metal superconducting magnetic shielding, magnetic feld FEA finite element analysis, mu-metal magnetic analysis This is an example of the superconducting bowl shield simulation, performed with QuickField software. Problem Type: axisymmetric problem of DC magnetics. Geometry: D = 32 cm, t1 = 1 cm, t2 = 1 cm Given: Relative magnetic permeability of mu-metal μ = 10000, External field B = 277 mT. Problem: Determine the shielding factor for the single layer superconducting bowl shield and for the bowl covered with the second layer of mu-metal. Solution: Uniformal external magnetic field was defined by assigning a non-zero vector magnetic potential distribution on the simulation area boundary. Results Magnetic field strength distribution in case of the single layered superconducting bowl shield. Magnetic field strength distribution in case of the superconducting bowl shield covered with the mu-metal layer Superconducting bowl shield Magnetic flux density 5 cm away from the bowl bottom Single layered 7.5 mT (2.7%) With additional mu-metal layer 9.7 mT (3.5%) See more videos in QuickField for Electromagnetic Shielding Applications webinar. View simulation report in PDF. Download simulation files (files may be viewed using any QuickField Edition).

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