Effect of pulsed power on particle matter in diesel engine exhaust using a DBD plasma reactor

Babaie, Meisam, Davari, Pooya, Zare, Firuz, Rahman, Mostafizur, Rahimzadeh, Hassan, Ristovski, Zoran, & Brown, Richard J. (2013) Effect of pulsed power on particle matter in diesel engine exhaust using a DBD plasma reactor. IEEE Transactions on Plasma Science, 41(8), pp. 2349-2358.

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Nonthermal plasma (NTP) treatment of exhaust gas is a promising technology for both nitrogen oxides (NOX) and particulate matter (PM) reduction by introducing plasma into the exhaust gases. This paper considers the effect of NTP on PM mass reduction, PM size distribution, and PM removal efficiency. The experiments are performed on real exhaust gases from a diesel engine. The NTP is generated by applying high-voltage pulses using a pulsed power supply across a dielectric barrier discharge (DBD) reactor. The effects of the applied high-voltage pulses up to 19.44 kVpp with repetition rate of 10 kHz are investigated. In this paper, it is shown that the PM removal and PM size distribution need to be considered both together, as it is possible to achieve high PM removal efficiency with undesirable increase in the number of small particles. Regarding these two important factors, in this paper, 17 kVpp voltage level is determined to be an optimum point for the given configuration. Moreover, particles deposition on the surface of the DBD reactor is found to be a significant phenomenon, which should be considered in all plasma PM removal tests.

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ID Code: 61223
Item Type: Journal Article
Refereed: Yes
Funders: ARC
Keywords: Dielectric barrier discharge (DBD), diesel exhaust gas, particle mass reduction, particle size distribution, pulsed power, push-pull converter
DOI: 10.1109/TPS.2013.2270015
ISSN: 0093-3813
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 IEEE
Copyright Statement: Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Deposited On: 11 Jul 2013 05:28
Last Modified: 02 Oct 2014 22:15

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