Eur. Phys. J. Appl. Phys.
Volume 36, Number 2, November 2006
|Page(s)||165 - 175|
|Section||Plasma, Discharge and Processes|
|Published online||11 October 2006|
n-hexane soot oxidation reactivity in N2/O2 and N2/O2/NO2 atmospheric pressure pulsed corona discharges
LIMHP, Université Paris Nord, CNRS UPR 1311, 99 avenue J.B.
93430 Villetaneuse, France
Corresponding author: firstname.lastname@example.org
Revised: 19 July 2006
Accepted: 21 July 2006
Published online: 11 October 2006
This paper discusses some aspects of n-hexane soot reactivity in a multi-pin to plate pulsed corona discharge working in the nanosecond regime at atmospheric pressure. The soot-discharge interaction was quantified by measuring the densities of CO, CO2, O3 and NO2 out-coming from the discharge cell. Results showed that CO2 is the major product of soot oxidation. They also showed a strong enhancement of soot oxidation for O2 percentage greater than 10% and cathode temperatures above 425 K. The soot reactivity is significantly enhanced when the discharge frequency is increased. The results obtained were interpreted in term of the competition between the kinetics of plasma active species adsorption and oxidation product desorption.
PACS: 51.50.+v – Electrical properties (ionization, breakdown, electron and ion mobility, etc.) / 52.25.-b – Plasma properties / 52.20.-j – Elementary processes in plasmas
© EDP Sciences, 2006
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