Resistive Instabilities in Hall Current Plasma Discharge | Zendy

A. Litvak | Zendy; N. J. Fisch | Zendy

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Resistive Instabilities in Hall Current Plasma Discharge

Author(s) -

A. Litvak,

N. J. Fisch

Publication year - 2000

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/768665

Subject(s) - physics , plasma , magnetic field , current (fluid) , magnetohydrodynamics , slab , hall effect , transverse plane , resistive touchscreen , electric current , mechanics , electron , computational physics , atomic physics , geophysics , nuclear physics , electrical engineering , structural engineering , quantum mechanics , engineering , thermodynamics

Plasma perturbations in the acceleration channel of a Hall thruster are found to be unstable in the presence of collisions. Both electrostatic lower-hybrid waves and electromagnetic Alfven waves transverse to the applied electric and magnetic field are found to be unstable due to collisions in the E X B electron flow. These results are obtained assuming a two-fluid hydrodynamic model in slab geometry. The characterisitic frequencies of these modes are consistent with experimental observations in Hall current plasma thrusters

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