NO and NO2 production in pulsed low pressure dc discharge

Rousseau, Antoine; Gatilova, Lina V.; Röpcke, Jürgen; Meshchanov, Alexander V.; Ionikh, Yury Z.
May 2005
Applied Physics Letters;5/23/2005, Vol. 86 Issue 21, p211501
Academic Journal
Simultaneous measurements of both NO and NO2 are performed downstream a pulsed low pressure dc discharge in flowing air using tunable diode laser absorption spectroscopy in the infrared region. Pulse duration and repetition rate range from 20 μs to 5 ms and from 50 to 1000 Hz, respectively. The gas pressure is 4 mbar and the peak current is 80 mA. Experimental results show that NO and NO2 production depends only on the duty cycle ratio, that is, on the average power at a given current. A numerical computation of a simplified kinetics agrees well with experiment results.


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