All Physics Faculty Publications

Document Type

Article

Journal/Book Title/Conference

Plasma Physics and Controlled Fusion

Volume

58

Issue

4

Publisher

Institute of Physics Publishing

Publication Date

1-28-2016

Abstract

Radial heat transport induced by magnetic field line fluctuations is obtained from the integral parallel heat flow closure for arbitrary collisionality. The parallel heat flow and its radial component are computed for a single harmonic sinusoidal field line perturbation. In the collisional and collisionless limits, averaging the heat flow over an unperturbed surface yields Rechester-Rosenbluth like formulae with quantitative factors. The single harmonic result is generalized to multiple harmonics given a spectrum of small magnetic perturbations. In the collisionless limit, the heat and particle transport relations are also derived. © 2016 IOP Publishing Ltd.

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