Abstract
We have measured the temperature dependence of the thermal resistances Rr(T) and Rz(T) of the parallelepiped samples cut from a double-pancake coil along the radial (r) and the thickness (z) directions, respectively. The double-pancake coil was wound with DI-BSCCO® tape fabricated by Sumitomo Electric Industries, Ltd. DI-BSCCO is a (Bi,Pb)2Sr2Ca2Cu3O10+x tape sheathed with silver. Both Rr(T) and Rz(T) increase monotonically with decreasing temperature. We analyze the thermal transport in the coil by use of the parallel and series heat current circuit of DI-BSCCO tapes and insulators.
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