Analysis of Mirnov oscillations on PDX
Mirnov coils have been used to study MHD oscillations in PDX. We first review the information that can be obtained from Mirnov coils concerning the amplitude of these oscillations and their toroidal and poloidal mode numbers. The usual techniques for analyzing Mirnov coil data do not work well on PDX because of the rectangular arrangement of the coils, substantial noise levels, and poloidal amplitude asymmetries. A technique using digital Fourier analysis to focus attention on the fundamental frequency component of the signals has been successful in determining the m and n model numbers of Mirnov oscillations in the PDX tokamak.
- Research Organization:
- Princeton Univ., NJ (USA). Plasma Physics Lab.
- DOE Contract Number:
- AC02-76CH03073
- OSTI ID:
- 5455383
- Report Number(s):
- PPPL-1854; ON: DE82009816
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700107* -- Fusion Energy-- Plasma Research-- Instabilities
DIVERTORS
ELECTRIC COILS
ELECTRICAL EQUIPMENT
EQUIPMENT
FOURIER ANALYSIS
INSTABILITY
MAGNET COILS
MAGNETIC FIELD CONFIGURATIONS
MAGNETIC ISLANDS
PDX DEVICES
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMA WAVES
700107* -- Fusion Energy-- Plasma Research-- Instabilities
DIVERTORS
ELECTRIC COILS
ELECTRICAL EQUIPMENT
EQUIPMENT
FOURIER ANALYSIS
INSTABILITY
MAGNET COILS
MAGNETIC FIELD CONFIGURATIONS
MAGNETIC ISLANDS
PDX DEVICES
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMA WAVES