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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN Imprimer: 1093-3611
ISSN En ligne: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v15.i1.50
pages 31-38

CONSISTENT CALCULATION OF ELECTRON-IMPACT ELECTRONIC AND VIBRONIC RATE COEFFICIENTS IN NITROGEN PLASMAS

Laurent C. Pierrot
Mechanical Engineering Department, Thermosciences Division Building 520, Stanford University, CA 94305-3032, USA
Christophe O. Laux
Mechanical Engineering Department, Thermosciences Division Building 520, Stanford University, CA 94305-3032, USA
Charles H. Kruger
Mechanical Engineering Department, Thermosciences Division Building 520, Stanford University, CA 94305-3032, USA

RÉSUMÉ

We present a new method for the calculation of electron-impact electronic and vibronic rate coefficients in nitrogen plasmas in which rotational levels are taken into account, and we analyze differences with existing methods. High-lying rotational levels, neglected in previous methods, are shown to have a major influence on dissociation rates. Calculated vibronic depletion rates of the B state of N2 under the experimental conditions of Ref. [1] are significantly smaller than predissociation rates.


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