A comparison of edge turbulence in tokamaks, stellarators, and reversed-field pinches

H. Y.W. Tsui, A. J. Wootton, J. D. Bell, R. D. Bengston, D. Diebold, J. H. Harris, N. Hershkowitz, C. Hidalgo, J. C. Ingraham, S. J. Kilpatrick, G. X. Li, H. Lin, D. M. Manos, M. A. Meier, G. M. Miller, C. P. Munson, J. Pew, S. C. Prager, Ch P. Ritz, A. RudyjK. F. Schoenberg, J. Sorensen, T. Tanaka, T. Uckan, P. G. Weber

Research output: Contribution to journalReview articlepeer-review

50 Scopus citations


Edge equilibrium, turbulence and transport related plasma parameters from the Advanced Toroidal Facility (ATF) [Fusion Technol. 10, 179 (1986)] torsatron, the ZT-40M [Fusion Technol. 8, 1571 (1985)] reversed-field pinch, the Phaedrus-T [Nucl. Fusion 32, 2040 (1992)] tokamak, the Texas Experimental Tokamak (TEXT) [Nucl. Technol. Fusion 1, 479 (1981)], and the Tokamak Fusion Test Reactor (TFTR) [in Plasma Physics and Controlled Nuclear Fusion Research, 1990 (International Atomic Energy Agency, Vienna, 1991), Vol. 1, p. 9] have been obtained using a standardized Langmuir probe array and a consistent set of data analysis packages. Additional data from some other devices have also been furnished via private communications and incorporated from published results. Experimental results over a wide range of parameters are compared and the turbulence contribution to edge transport are assessed. Certain physical properties that are relevant to the modeling of edge turbulence are identified: namely, shear decorrelation of turbulence, the role of resistive dissipation and electron parallel thermal conduction, radial mode structure in sheared magnetic field, and electromagnetic contribution to the parallel Ohm's law.

Original languageEnglish (US)
Pages (from-to)2491-2497
Number of pages7
JournalPhysics of Fluids B
Issue number7
StatePublished - 1993

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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