Combustion, Explosion and Shock Waves

, Volume 29, Issue 3, pp 357–360 | Cite as

Formation of no and NH4+ ions in the low-temperature peripheral zone of a flame

  • A. B. Fialkov
  • K. Ya. Kalinich


It is found that charged nitrogen oxides are formed not only in the front and the high-temperature combustion-product zone of a Bunsen-type flame but also in the relatively cold external region of the flame close to the burner nozzle. The peripheral NO+ is formed from atmospheric oxygen drawn in from outside the flame. The concentration of NO+ ions increases as the mixture is enriched with fuel. Possible pathways by which the peripheral NO+ ions may appear are considered. It is suggested that their precursor is the NH4+ ion formed from ammonia.


Oxide Oxygen Nitrogen Ammonia Burner 
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Copyright information

© Plenum Publishing Corporation 1993

Authors and Affiliations

  • A. B. Fialkov
  • K. Ya. Kalinich

There are no affiliations available

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