Experimental observation of the shear Alfven resonance in a tokamak

Journal Article · Mon Oct 15 04:00:00 EDT 1984 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.53.1559· OSTI ID:6339323

Witherspoon, F D; Prager, S C; Sprott, J C

Experiments on Tokapole II demonstrate the shear Alfven resonance in a tokamak by direct probe measurement of the wave magnetic field within the plasma. The resonance is driven by external antennas and is identified as radially localized enhancements of the poloidal wave magnetic field. The radial location agrees with calculations which include toroidicity and noncircularity of the plasma cross section. Other properties such as polarization, radial width, rise time, and wave enhancement also agree with magnetohydrodynamical theory.

• Research Organization: Department of Physics, University of Wisconsin, Madison, Wisconsin 53705
• OSTI ID: 6339323
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 53:16; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700108* -- Fusion Energy-- Plasma Research-- Wave Phenomena
ALFVEN WAVES
ANTENNAS
AUGMENTATION
CLOSED PLASMA DEVICES
DATA
ELECTRICAL EQUIPMENT
EQUIPMENT
EXPERIMENTAL DATA
HEATING
HYDROMAGNETIC WAVES
INFORMATION
INTERNAL RING DEVICES
MAGNETIC FIELDS
NUMERICAL DATA
PLASMA
PLASMA HEATING
SHEAR
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TOKAPOLE DEVICES
WAVE PROPAGATION