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Structural analysis of a superconducting central solenoid for the Tokamak Physics Experiment

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2 Author(s)
O'Connor, T.G. ; Lawrence Livermore Nat. Lab., CA, USA ; Heim, J.R.

The Tokamak Physics Experiment (TPX) concept design uses superconducting coils to accomplish magnetic confinement. The central solenoid (CS) magnet is divided vertical into 8 equal segments which are powered independently. The eddy current heating from the pulsed operation is too high for a case type construction; therefore, a “no case” design has been chosen. This “no case” design uses the conductor conduit as the primary structure and the electrical installation as a structural adhesive. This electrical insulation is the “weak link” in the cell winding pack structure. A global finite element model with smeared winding pack properties was used to study the CS magnet structural behavior. The structural analysis results and peak stresses will be presented

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Magnetics, IEEE Transactions on  (Volume:30 ,  Issue: 4 )