NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Low-frequency flute instabilities of a hollow cathode arc discharge - Theory and experiment.The characteristics of two low-frequency electrostatic flute instabilities of a low-pressure hollow cathode arc discharge are reported. Mode I has azimuthal mode number m = 1, and occurs when the radial electric field is negative (directed inward), while mode II has m = - 1 and occurs when the field is positive. The radial electric field is controlled by varying the potential of a secondary anode cylinder located close to the outer discharge radius. A linear perturbation analysis, based on the two-fluid equations, is given for a low-beta, collisionless, cylindrical plasma column, immersed in a uniform axial magnetic field, having a Gaussian density profile and an arbitrary radial electric field profile. Reasonable correlation between theory and experiment is demonstrated for both modes.
Document ID
19730053056
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Ilic, D. B.
Rognlien, T. D.
Self, S. A.
Crawford, F. W.
(Stanford University Stanford, Calif., United States)
Date Acquired
August 7, 2013
Publication Date
July 1, 1973
Publication Information
Publication: Physics of Fluids
Volume: 16
Subject Category
Physics, Plasma
Accession Number
73A37858
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available