Enhanced confinement in tokamaks

R. D. Stambaugh, S. M. Wolfe, R. J. Hawryluk, J. H. Harris, H. Biglari, Stewart C. Prager, Robert James Goldston, R. J. Fonck, T. Ohkawa, B. G. Logan, E. Oktay

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Abstract

The physics of enhanced confinement regimes in tokamaks is reviewed and some directions for further enhancements are assessed. The H-mode confinement regime is examined. A number of other observations of enhanced confinement, having in common peaked density profiles, are compared to the theory of ion temperature gradient modes. Two schemes of promise in enhancing confinement, second stability and control of electric fields, are discussed. The contributions of alternate concepts to understanding tokamak transport are described.

Original languageEnglish (US)
Pages (from-to)2941-2960
Number of pages20
JournalPhysics of Fluids B
Volume2
Issue number12
DOIs
StatePublished - Jan 1 1990

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Condensed Matter Physics
  • Mechanics of Materials
  • Physics and Astronomy(all)
  • Fluid Flow and Transfer Processes

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    Stambaugh, R. D., Wolfe, S. M., Hawryluk, R. J., Harris, J. H., Biglari, H., Prager, S. C., Goldston, R. J., Fonck, R. J., Ohkawa, T., Logan, B. G., & Oktay, E. (1990). Enhanced confinement in tokamaks. Physics of Fluids B, 2(12), 2941-2960. https://doi.org/10.1063/1.859361