Experimental study of nonlinear M=1 modes in the Tara tandem mirror

The nature of a rigid, flutelike M=1 instability as seen in the Tara tandem mirror [Nucl. Fusion 2 2, 549 (1982); P l a s m a P h y s i c s a n d C o n t r o l l e d N u c l e a r F u s i o n 1 9 8 4 (IAEA, Vienna, 1985), Vol. 2, p. 285] is discussed. Radial density and light emission profiles obtai...

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Veröffentlicht in:	Phys. Fluids; (United States) 1988-04, Vol.31 (4), p.902-907
Hauptverfasser:	Irby, J. H., Lane, B. G., Casey, J. A., Brau, K., Golovato, S. N., Guss, W. C., Horne, S. F., Kesner, J., Post, R. S., Sevillano, E., Sullivan, J. D., Smith, D. K.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700102 - Fusion Energy- Plasma Research- Diagnostics 700108 - Fusion Energy- Plasma Research- Wave Phenomena EMISSION Exact sciences and technology FLUTE INSTABILITY INSTABILITY Magnetic confinement and equilibrium MAGNETIC MIRRORS NONLINEAR PROBLEMS OPEN PLASMA DEVICES OSCILLATION MODES PHOTON EMISSION Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges PLASMA PLASMA DIAGNOSTICS PLASMA INSTABILITY PLASMA MACROINSTABILITIES SATURATION TANDEM MIRRORS TARA DEVICES THERMONUCLEAR DEVICES
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Zusammenfassung:	The nature of a rigid, flutelike M=1 instability as seen in the Tara tandem mirror [Nucl. Fusion 2 2, 549 (1982); P l a s m a P h y s i c s a n d C o n t r o l l e d N u c l e a r F u s i o n 1 9 8 4 (IAEA, Vienna, 1985), Vol. 2, p. 285] is discussed. Radial density and light emission profiles obtained by inverting chord measurements are compared to end loss radial profiles during the evolution of the mode to its nonlinear saturated state. This final state is characterized by a coherent, flutelike motion of the plasma as a whole about the machine axis.
ISSN:	0031-9171 2163-4998
DOI:	10.1063/1.866773