1998•Physical Review LettersRequires access

Poloidal Flow Driven by Ion-Temperature-Gradient Turbulence in Tokamaks

M. N. Rosenbluth, F. L. Hinton

Abstract

We show that linear collisionless processes do not damp poloidal flows driven by ion-temperature-gradient (ITG) turbulence. Since these flows play an important role in saturating the level of the turbulence, this level, as well as the transport caused by ITG modes, may be overestimated by gyrofluid simulations, which employ linear collisionless rotation damping.

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Key concepts: Turbulence, Tokamak, Physics, Zonal flow (plasma), Gyrokinetics, Mechanics, Temperature gradient, Ion