Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
Rapid Communications
Kinetic Ballooning Mode Turbulence Simulation based on Electromagnetic Gyrokinetics
Shinya MAEYAMAAkihiro ISHIZAWATomohiko WATANABEMotoki NAKATANaoaki MIYATOYasuhiro IDOMURA
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2014 Volume 9 Pages 1203020

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Abstract

The kinetic ballooning mode (KBM) turbulence in Tokamak plasma is investigated by electromagnetic gyrokinetic simulations. From the entropy balance analysis, it is revealed that the field-particle interactions transfer a significant fraction of the ion entropy produced by the instability to electrons. Then, the produced ion entropy balances to the sum of the ion and electron dissipations at the saturation of the KBM instability growth, in contrast to ITG turbulence where ion entropy production mostly balances to ion dissipation.

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© 2014 by The Japan Society of Plasma Science and Nuclear Fusion Research
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