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Packed bed DBD discharge experiments in admixtures of N2 and CH4

Horvath, G.; Mason, N. J.; Polachova, L.; Zahoran, M.; Moravsky, L. and Matejcik, S. (2010). Packed bed DBD discharge experiments in admixtures of N2 and CH4. Plasma Chemistry and Plasma Processing, 30(5) pp. 565–577.

DOI (Digital Object Identifier) Link: https://doi.org/10.1007/s11090-010-9241-8
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Abstract

The physical, chemical and electrical properties of a coaxial Dielectric Barrier Discharge (DBD) fed by various mixtures of N2 and CH4 at atmospheric pressure and ambient temperature has been studied. FTIR spectral measurements of the products formed in the discharge have shown that the main chemical products are C2H2, HCN and C2H6 produced by dissociation of CH4, with small but significant traces of NH3, such a chemical transformation may provide some insight into the chemical processes prevalent in the atmosphere of Titan. During operation of the discharge a solid brown-yellowish deposit was formed on the central rod electrode and the dielectric pellets. Such a deposit is similar to that observed in other N2:CH4 discharges and is believed to be an analogue of the aerosol and dust observed in Titan’s atmosphere being composed of chemical species commonly known as ‘tholins’.

Item Type: Journal Item
Copyright Holders: 2010 Springer Science+Business Media, LLC
ISSN: 0272-4324
Keywords: DBD discharge; infrared spectroscopy
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Physics
Item ID: 22488
Depositing User: Astrid Peterkin
Date Deposited: 02 Sep 2010 09:20
Last Modified: 07 Dec 2018 09:38
URI: http://oro.open.ac.uk/id/eprint/22488
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