Abstract <p>The results of numerical simulation of plasma jet expansion into a rarefied medium in a two-temperature gas dynamics model with separation of electron and ion temperatures are presented. The results obtained using two independent numerical methods are compared with the data of a laboratory experiment on jet injection into a vacuum chamber. It is shown that the ion and electron temperature of the main mass of the jet is in equilibrium. Estimates of the injection scenario are given taking into account the deformation of the generator nozzle.</p>

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Numerical Simulation of Plasma Jet Expansion in a Laboratory Experiment

  • N. O. Savenko,
  • E. M. Urvachev,
  • T. V. Losseva,
  • A. S. Grushin,
  • Yu. V. Poklad,
  • V. A. Gasilov

摘要

Abstract

The results of numerical simulation of plasma jet expansion into a rarefied medium in a two-temperature gas dynamics model with separation of electron and ion temperatures are presented. The results obtained using two independent numerical methods are compared with the data of a laboratory experiment on jet injection into a vacuum chamber. It is shown that the ion and electron temperature of the main mass of the jet is in equilibrium. Estimates of the injection scenario are given taking into account the deformation of the generator nozzle.