Electromagnetic effect on turbulent transport in tokamak based on Landau fluid global simulation

Miyato, Naoaki; Li, J.*; Kishimoto, Yasuaki

Electromagnetic effect on ion temperature gradient driven turbulence and zonal flow generated from the turbulence is investigated based on global electromagnetic Landau fluid simulations in tokamak plasmas. Turbulent transport decreases by increasing beta in a low beta regime. Two types of zonal flow are observed. One is almost stationary flow formed in a low safety factor (q) region, which is weaker at higher beta. The other is flow oscillating coherently at the geodesic acoustic mode (GAM) frequency.

Language	:	English
Journal	:	Journal of Plasma and Fusion Research SERIES, Vol.6
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Pages	:	p.581 - 584
Publication Year/Month	:	2004/00
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Keywords	:	ITG Turbulence; Electromagnetic; Finite Beta; Zonal Flow; Geodesic Acoustic Mode
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Registration No. : A20050130
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