From Applied Electromagnetics Using QuickField and MATLAB
8.9 Modeling Type-II Superconductors The partial penetration of magnetic flux into Type-II superconductors may be simulated in QuickField using the nonlinear magnetics curve editor shown in Figure 8.10. Values are entered in the table at the right in this window and a continuous B-H curve is generated to fit to the tabulated values using a cubic spline fitting.
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According to the B-H curve, the internal flux density is zero for magnetic field strengths below about |
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. Figure 8.11 shows the penetration of
flux into a Type-II superconductor with a square cross-section and the nonlinear
B-H curve given in Figure 8.10. For an external flux density B = 0.07 T (a) there is
no penetration of flux into the superconductor. Flux lines begin to penetrate the
superconductor for B = 0.2 T (b) with greater flux penetration at B = 0.7 T (c).Products & Services
Topics of Interest
R. P. Feynman, R. B. Leighton, and M. Sands. (1966). Volume III lhe Feynman Lectures on Physics, Addison-Wesley Publishing Company. Chapter 21: The Schrodinger Equation...
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