Internal magnetic and electrostatic fluctuation measurements of magnetohydrodynamic modes in the Texas Experimental Tokamak (TEXT)

A heavy ion‐beam probe has been used to make the first internal measurements of magnetic fluctuations in a hot tokamak. The magnetic vector potential fluctuation, Ãφs , is measured during magnetohydrodynamic (MHD) activity and is in reasonable agreement with the prediction of a three‐dimensional, r...

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Veröffentlicht in:	Physics of fluids. B, Plasma physics Plasma physics, 1993-05, Vol.5 (5), p.1576-1580
Hauptverfasser:	Simcic, V. J., Crowley, T. P., Schoch, P. M., Aydemir, A. Y., Yang, X. Z., Connor, K. A., Hickok, R. L., Wootton, A. J., McCool, S. C.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700310 > Plasma Confinement-- (1992-) CHARGED PARTICLES CLOSED PLASMA DEVICES CONFINEMENT ELECTRON DENSITY Exact sciences and technology FLUCTUATIONS FLUID MECHANICS HEAVY IONS HOT PLASMA HYDRODYNAMICS ION PROBES IONS MAGNETIC FIELD CONFIGURATIONS MAGNETIC FIELDS MAGNETIC ISLANDS MAGNETOHYDRODYNAMICS MECHANICS Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges PLASMA PLASMA CONFINEMENT PROBES THERMONUCLEAR DEVICES TOKAMAK DEVICES VARIATIONS 700340 > Plasma Waves, Oscillations, & Instabilities-- (1992-) Waves, oscillations, and instabilities in plasmas and intense beams
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Beschreibung
Zusammenfassung:	A heavy ion‐beam probe has been used to make the first internal measurements of magnetic fluctuations in a hot tokamak. The magnetic vector potential fluctuation, Ãφs , is measured during magnetohydrodynamic (MHD) activity and is in reasonable agreement with the prediction of a three‐dimensional, resistive, compressible, nonlinear MHD code. Associated density and potential fluctuation measurements and magnetic island widths are also presented.
ISSN:	0899-8221 2163-503X
DOI:	10.1063/1.860897