Momentum-Transport Studies in High ExB Shear Plasmas in the National Spherical Torus Experiment.

Momentum-Transport Studies in High ExB Shear Plasmas in the National Spherical Torus Experiment. Research Abstract Details 

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Momentum-Transport Studies in High ExB Shear Plasmas in the National Spherical Torus Experiment. Abstract Text:

Experiments have been conducted at the National Sperical Torus Experiment (NSTX) to study both steady state and perturbative momentum transport. These studies are unique in their parameter space under investigation, where the low aspect ratio of NSTX results in rapid plasma rotation with ExB shearing rates high enough to suppress low-k turbulence. In some cases, the ratio of momentum to energy confinement time is found to exceed five. Momentum pinch velocities of order 10-40 m/s are inferred from the measured angular momentum flux evolution after nonresonant magnetic perturbations are applied to brake the plasma.

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Momentum-Transport Studies in High ExB Shear Plasmas in the National Spherical Torus Experiment. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Physical review letters

VOLUME: 101

Page Numbers: 065004

Journal Abbreviation: Phys. Rev. Lett.

ISSN: 0031-9007

DAY: 7

MONTH: 08

YEAR: 2008

Momentum-Transport Studies in High ExB Shear Plasmas in the National Spherical Torus Experiment. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Momentum-Transport Studies in High ExB Shear Plasmas in the National Spherical Torus Experiment.

AFFILIATION: Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08543, USA.

Country: United States

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MEDLINETA: Phys Rev Lett

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