TITLE

Kinetic of the NO removal by nonthermal plasma in N[sub 2]/NO/C[sub 2]H[sub 4] mixtures

AUTHOR(S)
Fresnet, F.; Baravian, G.; Magne, L.; Pasquiers, S.; Postel, C.; Puech, V.; Rousseau, A.
PUB. DATE
December 2000
SOURCE
Applied Physics Letters;12/18/2000, Vol. 77 Issue 25
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
NO removal is studied in N[sub 2]/NO and in N[sub 2]/NO/C[sub 2]H[sub 4] mixtures through time-resolved laser-induced fluorescence in the afterglow of a pulsed homogeneous discharge. NO density measurements are compared with predictions of a 0D model on a large range of parameter values, such as the specific deposited energy and the ethene initial concentration. It is shown that dissociation of NO through collision with the N[sub 2](a[sup ′1]Σ[sub u][sup -]) state play the main part in the NO removal kinetic. Moreover, quenching of N[sub 2](a[sup ′1] Σ[sub u][sup -]) by C[sub 2]H[sub 4] leads to a drastic decrease of the NO removal efficiency when ethene is added to N[sub 2]/NO. The determined rate coefficient value for the quenching mechanism is (4±2)x10[sup -10] cm[sup 3] s[sup -1]. © 2000 American Institute of Physics.
ACCESSION #
4414242

 

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