Russian Physics Journal

, Volume 60, Issue 12, pp 2105–2110 | Cite as

Calculation of the Ionization Coefficient in the Townsend Discharge in the Mixture of Argon and Mercury Vapors with Temperature-Dependent Composition

  • G. G. Bondarenko
  • M. S. Dubinina
  • M. R. Fisher
  • V. I. Kristya

For a hybrid model of the low-current discharge considering, along with direct ionization of the mixture components by electrons, the Penning ionization of mercury atoms by metastable argon atoms, the ionization coefficient in the argon–mercury mixture used in illuminating lamps is calculated. The analytical approximation formula describing the dependence of the ionization coefficient of the mixture on the reduced electric field strength and temperature is obtained for sufficiently wide ranges of their variations, and its accuracy is estimated. It is demonstrated that the discharge ignition voltage calculated using this formula is in agreement with the results of simulation and the available experimental data.


argon–mercury mixture Townsend discharge Penning ionization ionization coefficient discharge ignition voltage 


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • G. G. Bondarenko
    • 1
  • M. S. Dubinina
    • 2
  • M. R. Fisher
    • 2
  • V. I. Kristya
    • 2
  1. 1.National Research University Higher School of EconomicsMoscowRussia
  2. 2.Bauman State Technical University, Kaluga BranchKalugaRussia

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