Experimental pressure dependence of positive corona discharge in N \(_\mathsf{2}\)

  • R. BenocciEmail author
  • A. Galassi
  • L. Mauri
  • M. Piselli
  • M. Sciascia


This paper presents the experimental pressure dependence, in the range 1.01 x 105-1.6 x 105 Pa, of the I-V characteristic of a N2 positive corona discharge. The pressure raise is related to the gas flow increase into the chamber where the corona is ignited. Experimental measurements confirm Townsend’s I-V characteristic. For a fixed potential difference between the electrodes, corona currents decrease as the gas flow increases (pressure increase): this has been ascribed to a lower ionization rate close to the stressed electrode and a lower charge mobility in the drift region. Both these processes result in a lower current generated by the discharge.


Experimental Measurement Pressure Increase Pressure Dependence Corona Discharge Ionization Rate 
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Copyright information

© Springer-Verlag Berlin/Heidelberg 2003

Authors and Affiliations

  • R. Benocci
    • 1
    Email author
  • A. Galassi
    • 1
  • L. Mauri
    • 1
  • M. Piselli
    • 1
  • M. Sciascia
    • 1
  1. 1.Dipartimento di Fisica “G. Occhialini”Universitá degli Studi di Milano-BicoccaMilanoItaly

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