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(THP2/19) Improving the Theoretical Foundations of the Multi-Mode Transport Model

G. Bateman, A. H. Kritz, A. J. Redd, M. Erba, G. Rewoldt1, J. Weiland2, P. Strand2, J. E. Kinsey3 and B. Scott4

Lehigh University Physics Department, 16 Memorial Drive East, Bethlehem, PA 18015
1 Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543-0451
2 Chalmers University of Technology, Göteborg, Sweden
3 Oak Ridge Associated Universities, Oak Ridge, TN. Present address: General Atomics, P. O. Box 85608, San Diego, CA 92186-5608
4 Max-Planck Institut für Plasmaphysik, Euratom Association, D-85748 Garching, Germany

Abstract.  A new version of the Multi-Mode transport model, designated MMM98, is being developed with improved theoretical foundations, in an ongoing effort to predict the temperature and density profiles in tokamaks. For transport near the edge of the plasma, MMM98 uses a new model based on 3-D nonlinear simulations of drift Alfvén mode turbulence. Flow shear stabilization effects have been added to the Weiland model for Ion Temperature Gradient and Trapped Electron Modes, which usually dominates in most of the plasma core. For transport near the magnetic axis at high beta, a new kinetic ballooning mode model has been constructed based on FULL stability code computations.

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IAEA 2001