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Finite element calculation of stress induced heating of superconductors

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2 Author(s)
Akin, J. ; University of Tennessee, Knoxville, TN USA ; Moazed, A.

This research is concerned with the calculation of the amount of heat generated due to the development of mechanical stresses in superconducting composites. An emperical equation is used to define the amount of stress-induced heat generation per unit volume. The equation relates the maximum applied stress and the experimental measured hysteresis loop of the composite stress-strain diagram. It is utilized in a finite element program to calculate the total stress-induced heat generation for the superconductor. An example analysis of a solenoid indicates that the stress-Induced heating can be of the same order of magnitude as eddy current effects.

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Magnetics, IEEE Transactions on  (Volume:13 ,  Issue: 1 )