High-beta tokamak equilibria in Torus II are studied both experimentally and computationally. Electron temperature and density profile measurements from the multipoint Thomson scattering system and line-integrated density from a CO2 interferometer show that an equilibrium is obtained with a volume averaged beta of 10%. The peak electron temperature is 80 eV and the density is 1×1015 cm−3. A numerical computation of these equilibria is carried out using a 2-D, free-boundary, magnetohydrodynamic equilibrium code which is in good agreement with the experimental results.
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Levinton et al. (1984) studied this question.
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