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Tokamak transport based on the 13-moment model

Published online by Cambridge University Press:  13 March 2009

Michael K. Tippett
Michael K. Tippett
Affiliation:
Max-Planck-Institut für Plasmaphysik, D-85778 Garching, Germany
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Abstract

A new model for collisional transport in a tokamak plasma is analysed. This model is obtained from Grad's 2-fluid 13-moment equations by estimating the order of magnitude of the various effects and neglecting those that are small. The model includes small particle flows, pressure anisotropy and temperature variation within flux surfaces. A formal solution is calculated that satisfies the model equations to O(me/mi). These solutions are found to evolve on a time scale Temi/me ≈ 50 ms.

Type
Research Article
Information
Journal of Plasma Physics , Volume 54 , Issue 1 , August 1995 , pp. 77 - 104
Copyright
Copyright © Cambridge University Press 1995

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