Breakdown conditions and thermal instability in air |
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Authors: | G Colonna M Capitelli C Grose F Paniccia A V Eletskij B M Smirnov |
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Institution: | (1) Centro di Studi per la Chimica dei Plasmi-CNR, Dipartimento di Chimica dell'Università, Bari, Italia;(2) Kurchatov Institute, Moscow, USSR;(3) IVTAN, Moscow, USSR |
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Abstract: | Summary Reduced electric fields (E/N) responsible for electrical breakdown in air have been calculated by solving a stationary Boltzmann equation including superelastic
vibrational collisions. The results show a decrease ofE/N with increasing gas temperature. The possibility of air instability due to chemical processes producing electrons is then
investigated by calculating the threshold of this instability as a function of a characteristic time for heat dissipation
τ. |
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Keywords: | Elementary processes in plasmas |
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