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

Research output: Contribution to journalArticlepeer-review

39 Scopus citations


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
Issue number12
StatePublished - 1990

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Condensed Matter Physics
  • Mechanics of Materials
  • General Physics and Astronomy
  • Fluid Flow and Transfer Processes


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