Local thermodynamic equilibrium of an arc over an ice surface

Azam Nekahi, Masoud Farzaneh

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)


    A study of the emission spectra from discharges on an ice surface and a discussion of its implication on local thermodynamic equilibrium are presented. Rotational temperatures were measured using OH (A-X) emission bands. The variation of rotational temperature, which is similar to that of gas temperature with discharge current, was studied. The excitation temperature of the arc column was determined using the ratio of spectral line intensities as well as the Boltzmann method.
    Original languageEnglish
    Pages (from-to) 727-730
    Number of pages4
    JournalIEEE Transactions on Dielectrics and Electrical Insulation
    Issue number3
    Publication statusPublished - Jun 2013


    • emission spectra
    • thermodynamic equilibrium
    • arc column
    • ice surface


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