Comparison of Velocity Shear with Turbulence Reduction Driven by Biasing in a Simple Cylindrical Slab Plasma

被引：0

作者：

K.W.GENTLE ^{[1
]}

K.LIAO ^{[1
]}

K.LEE ^{[1
]}

W.L.ROWAN ^{[1
]}

机构：

[1] Institute of Fusion Studies, University of Texas at Austin

来源：

Plasma Science and Technology | 2010年 / 12卷 / 04期

关键词：

turbulence suppression; shear stabilization; velocity shear; bias;

D O I：

暂无

中图分类号：

TL612 [];

学科分类号：

摘要：

In an experimental realization of the sheared cylindrical slab, the level of plasmaturbulence is strongly reduced by application of a sufficient bias potential difference in the radialdirection. Density fluctuation levels Δnrms/n decrease by more than a factor of five. The ionflow velocity profile is measured spectroscopically from the Doppler shift of an argon ion line.Comparison of the shearing rates with the turbulent amplitudes as a function of bias show norelation between the shearing rate and turbulence reduction, contrary to expectations.

引用

页码：391 / 396

页数：6

共 42 条

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