Numerical Simulation of the Axisymmetric Hollowing Instability

Abstract

Recent simulations have indicated that highly current-neutralized charged particle beams propagating in an ionizable gas are subject to violent axisymmetric instabilities. We show that these instabilities are excitations of the m = O, n = 2 hollowing mode, for which there is no adequate analytic theory. We present results of a wide-ranging simulation study of the instability mechanism and the parameter range of the instability.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Apr 14, 1983
Accession Number
ADA126937

Entities

People

  • Glenn R. Joyce
  • M. Lampe

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Amplitude
  • Axisymmetric
  • Charged Particles
  • Current Density
  • Electric Fields
  • Electromagnetic Fields
  • Electron Beams
  • Electron Energy
  • Electrons
  • Energy
  • Equations
  • Frequency
  • Ionization
  • Low Density
  • Particle Beams
  • Scattering
  • Simulations

Fields of Study

  • Physics

Readers

  • Pulsed Power and Plasma Physics.
  • Theoretical Analysis.

Technology Areas

  • Directed Energy