Stability and transport of parallel velocity shear driven mode with negative magnetic shear

Robert Alan Cairns, RG Storer, DR McCarthy

Research output: Other contribution

14 Citations (Scopus)

Abstract

The linear and quasilinear behavior of the drift-like perturbation with a parallel velocity shear is studied in a sheared slab geometry. Full analytic studies show that when the magnetic shear has the same sign as the second derivative of the parallel velocity with respect to the radial coordinate, the linear mode may become unstable and turbulent momentum transport increases. On the other hand, when the magnetic shear has opposite sign to the second derivative of the parallel velocity, the linear mode is completely stabilized and turbulent momentum transport reduces. (C) 2000 American Institute of Physics. [S1070-664X(00)01203-9].

Original languageEnglish
Volume7
Publication statusPublished - Apr 2000

Keywords

  • POLOIDAL ROTATION
  • DISCHARGES
  • TFTR
  • CONFINEMENT
  • TURBULENCE
  • PLASMAS
  • WAVES
  • EDGE

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