Abstract

When designing superconductor-based magnets, to be prepared for the loss of thermal stability under operation is of the utmost importance. In this paper, heat propagation during a quench in the Roebel-cable-based accelerator magnet prototype is predicted by using a one-dimensional approach. The heat diffusion equation is solved using the finite element method and thermal coupling between the turns is taken into account using the thermal network model. However, when reducing the dimensions of the problem, modeling decisions are often unavoidable. Here, we present the challenges of this approach and discuss the appropriateness of these decisions via simulations.

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