Interchange instability in finite conductivity accelerated plasma arcs

M. Bourouis, M. A. Huerta, F. Rodriguez-Trelles

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


A first order perturbation expansion of the MHD equations is used to study the growth of the Rayleigh-Taylor or interchange instability in accelerated plasma arcs. The mode equation is fourth order due to the inclusion of finite conductivity. It is solved numerically to yield results that are an improvement over previous work. The growth rates are less than in the infinite conductivity model. As in previous work the growth rates in typical rail launcher situations are large enough to permit full development of the instability.

Original languageEnglish (US)
Pages (from-to)1113-1118
Number of pages6
JournalIEEE Transactions on Magnetics
Issue number1
StatePublished - Jan 1993

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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