Velikhov Electrothermal Instability Cancellation by a Modification of Electrical Conductivity Value in a Streamer by Magnetic Confinement

Authors

  • Jean P. Petit
  • Jean C. Dore

DOI:

https://doi.org/10.14311/1765

Keywords:

non equilibrium plasmas, MHD, Velikhov instability.

Abstract

We present a method, confirmed experimentally, allowing the cancellation of Velikhov instability by operating a local magnetic field reduction along a lane, which enhances local electric conductivity and electron-gas collision frequency, due to a local passage into a Coulomb collision regime and the subsequent lowering of the Hall parameter below its critical value, close to 2.

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Author Biographies

Jean P. Petit

Jean C. Dore

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Published

2013-01-02

Issue

Section

Articles