Poloidal and parallel plasma viscosities in tokamak geometry

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Abstract

The poloidal and parallel plasma viscosities in tokamak geometry in Hamada coordinates are calculated from the drift kinetic equation, including a large mass flow velocity without imposing the usual constraint that VpB /(υtiBp) be small. Here, Vp is the poloidal plasma flow velocity, υti is the ion thermal speed, B is the magnetic field strength, and Bp is the poloidal magnetic field strength. With this extended validity, the poloidal and parallel viscosities are useful in modeling the radial electric field in the edge region of a tokamak in the enhanced confinement regime.

Original languageEnglish
Pages (from-to)2847-2849
Number of pages3
JournalPhysics of Fluids B
Volume2
Issue number11
DOIs
Publication statusPublished - 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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