Barium Cloud Density Variation in a Highly-Conducting Background

Abstract

An equation is derived for the growth in time of a barium cloud in a strongly conducting background. The expression is correct to first order in an expansion in powers of the ratio of the cross-cloud conductivity to the background conductivity. Numerical solutions of this equation indicate significant differences from the zero order result. There is steepening of the backside of the cloud and elongation in the E X B direction. The list of weakly ionized instabilities is extended to include the true gravitational instability. This is the closest contender to the E X B but still appears to have a threshold higher by about a factor of ten. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1971
Accession Number
AD0732880

Entities

People

  • Albert Simon
  • Arthur M. Sleeper

Organizations

  • University of Rochester

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Conductivity
  • Contracts
  • Department Of Defense
  • Eigenvalues
  • Electric Fields
  • Equations
  • Equations Of Motion
  • Geometry
  • Instability
  • Integrals
  • Ion Density
  • Ions
  • Magnetic Fields
  • Security
  • Two Dimensional

Readers

  • Plasma Physics / Magnetohydrodynamics
  • Systems Analysis and Design