Abstract
By a two-dimensional numerical simulation of positive streamers in atmospheric air in sphere - plane gaps, the G-values (numbers of radicals per 100 eV of input energy) for the production of oxygen and nitrogen atoms are obtained. Calculated G-values weakly depend on the applied voltage and parameters of the gap and are about 3 - 4 and 0.3 - 0.4 respectively. In the frame of the qualitative theory of streamer propagation in nonuniform electric fields, approximate formulae for G-values in streamer corona discharges are derived. The G-values are determined by the magnitudes of the reaction rate coefficients at electron energies corresponding to the maximum of the electric field in the streamer head. The formulae obtained describe well the relations between the G-values for different plasma chemical reactions and can be used for estimations of the absolute G-values with an accuracy up to a factor of two.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
