Theoretical and experimental analyses of the synergism in the dielectric strength for C3 F8 C2 H F5 mixtures

A. V. Larin, N. Meurice, F. Gentils, C. Fievet, D. P. Vercauteren

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Two theoretical approaches are applied in order to describe the behavior of the experimental breakdown voltage in C3 F8 C2 H F5 mixtures. First, available cross section data of the electron-molecule processes are scaled to simulate the dielectric strength (DS) behavior in both C3 F8 and C2 H F5 gases at the level of the Boltzmann equation (BE) solution corresponding to a homogeneous electric field model. Then, the DS of C3 F8 C2 H F5 mixtures is evaluated and compared to the experimental breakdown voltage measured using different electrode geometries as sphere/plane type via experimental techniques, i.e., power frequency and negative or positive polarity lightning impulse. Due to the limitation of the BE approach to describe the observed experimental data, the Hunter-Christophorou [J. Appl. Phys. 57, 4377 (1985)] model regarding the positive synergism phenomenon is finally applied. Both models allow us to compare relative values of the "chemical" and "physical" DS components in C3 F8 C2 H F5 mixtures.

Original languageEnglish (US)
Article number083306
JournalJournal of Applied Physics
Volume101
Issue number8
DOIs
StatePublished - 2007
Externally publishedYes

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electrical faults
lightning
impulses
polarity
electrodes
electric fields
cross sections
geometry
gases
molecules
electrons

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

Cite this

Theoretical and experimental analyses of the synergism in the dielectric strength for C3 F8 C2 H F5 mixtures. / Larin, A. V.; Meurice, N.; Gentils, F.; Fievet, C.; Vercauteren, D. P.

In: Journal of Applied Physics, Vol. 101, No. 8, 083306, 2007.

Research output: Contribution to journalArticle

Larin, A. V. ; Meurice, N. ; Gentils, F. ; Fievet, C. ; Vercauteren, D. P. / Theoretical and experimental analyses of the synergism in the dielectric strength for C3 F8 C2 H F5 mixtures. In: Journal of Applied Physics. 2007 ; Vol. 101, No. 8.
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