Title:
Viscous effects in a collisional tokamak plasma with strong rotation
Viscous effects in a collisional tokamak plasma with strong rotation
Author(s)
Stacey, Weston M.
Sigmar, D. J.
Sigmar, D. J.
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Abstract
The full viscosity tensor for an axisymmetric toroidal plasma in the collisional regime (with strong rotation) is calculated, including gyroviscosity and O(ϵ) poloidal variations over the flux surface. It is shown that the resulting viscous force is of sufficient magnitude to account for the radial transfer of toroidal momentum that must be inferred in order to explain the rotation measurements in tokamak experiments. The consequences of a viscous force of this form and magnitude on particle transport and on the evolution of toroidal and poloidal rotation velocities are discussed.
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Date Issued
1985-09
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Article