Experimental and theoretical study of a glow discharge at atmospheric pressure controlled by dielectric barrier

  • Françoise Massines
    Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
  • Ahmed Rabehi
    Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
  • Philippe Decomps
    Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
  • Rami Ben Gadri
    Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
  • Pierre Ségur
    Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
  • Christian Mayoux
    Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France

抄録

<jats:p>The aim of this paper is to confirm the existence of atmospheric pressure dielectric controlled glow discharge and to describe its main behavior. Electrical measurements, short time exposure photographs, and numerical modeling were used to achieve this task. Experimental observations and numerical simulation are in good agreement. Therefore, the analysis of the calculated space and time variations of the electric field together with the ion and electron densities helps to explain the discharge mechanisms involved, showing the main role played by the electron as well as helium metastable density just before the discharge is turned on.</jats:p>

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