Radial electrostatic flux inferred from core measurements of potential and density fluctuations
DR Demers, PM Schoch, TP Crowley, KA Connor… - Physics of …, 2001 - pubs.aip.org
Broadband potential fluctuations and electrostatic fluctuation induced particle flux have been
measured in the core of a medium size tokamak plasma for the first time. Density fluctuations
and wave numbers were simultaneously measured. Measurements indicate that radial
electrostatic fluctuation induced particle flux in the core region, at the normalized radii of
0.17< ρ< 0.38, due to modes with wave numbers less than 4 cm− 1 is small in magnitude, is
likely directed inward, and cannot account for particle flux predicted by the continuity …
measured in the core of a medium size tokamak plasma for the first time. Density fluctuations
and wave numbers were simultaneously measured. Measurements indicate that radial
electrostatic fluctuation induced particle flux in the core region, at the normalized radii of
0.17< ρ< 0.38, due to modes with wave numbers less than 4 cm− 1 is small in magnitude, is
likely directed inward, and cannot account for particle flux predicted by the continuity …
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