We study the formation and dynamics of normal domains in Rutherford-type superconducting cables. We use an effective circuit model to account for the electric current redistribution process between the multifilamentary strands in the presence of a normal zone. We obtain and integrate numerically the diffusion equations for the temperature and the current-density distributions in the cable. Our simulations show the formation of stable normal domains propagating along the cable. We derive an analytical expression for the threshold current Id above which the propagating normal domains exist.
|Number of pages||5|
|Journal||Journal of Applied Physics|
|State||Published - 1995|