Electromechanical analysis of the toroidal field magnets in the small and large versions of IGNITEX

Summary form only given. The Ignition Technology Demonstration (ITD) program was initiated to design, build, and test the operation of a single turn, 20-T, TF (toroidal field) coil powered by an existing 60-MJ HPG (homopolar generator) power supply system. The ITD TF coil is a 0.06 scale of the 1.5-m major radius IGNITEX baseline design. A finite-element program (TEXCOR) which solves a set of coupled electrical circuit, magnetic diffusion, and thermal diffusion equations with temperature-dependent properties was developed under the ITD program. TEXCOR provides temperatures and magnetic body force densities for a stress analysis of the magnet structure. The stress analysis is performed using a 3-D finite-element code (ABAQUS). The feasibility of the TF magnets of the small and large versions, based on the electromechanical aspect, was evaluated using TEXCOR. The temperature distribution stresses and axial preload specifications of the TF magnets were investigated