Related Experiment Video
Updated: Jul 2, 2026

Emission Spectroscopic Boundary Layer Investigation during Ablative Material Testing in Plasmatron
Published on: June 9, 2016
Momentum-transport studies in high E x B shear plasmas in the National Spherical Torus Experiment
W M Solomon1, S M Kaye, R E Bell
1Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08543, USA. wsolomon@pppl.gov
Abstract:
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.
Related Concept Videos
Thomson's e/m Experiment
A particle with charge q, speed v, and mass m enters an area from the top, where the magnetic and electric fields are perpendicular both to the particle's motion and to one another. The magnetic...
Momentum And Radiation Pressure
Magnetostatic Boundary Conditions
Steady, Laminar Flow Between Parallel Plates
Torque On A Current Loop In A Magnetic Field
Consider a rectangular current-carrying loop containing N turns of wire, placed in a uniform magnetic field. The net force on a current-carrying loop...
Atomic Nuclei: Nuclear Spin State Population Distribution

