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

M. Babaie, P. Davari, F. Zare, M.M. Rahman, H. Rahimzadeh, Z. Ristovski

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

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.
Original languageEnglish
JournalIEEE Transactions on Plasma Science
Volume41
Issue number8
DOIs
Publication statusPublished - 8 Jul 2013

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diesel engines
plasma jets
particulates
reactors
exhaust gases
high voltages
real gases
nitrogen oxides
pulses
power supplies
repetition
electric potential
configurations

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Effect of pulsed power on particle matter in diesel engine exhaust using a DBD plasma reactor. / Babaie, M.; Davari, P.; Zare, F.; Rahman, M.M.; Rahimzadeh, H.; Ristovski, Z.

In: IEEE Transactions on Plasma Science, Vol. 41, No. 8, 08.07.2013.

Research output: Contribution to journalArticle

Babaie, M. ; Davari, P. ; Zare, F. ; Rahman, M.M. ; Rahimzadeh, H. ; Ristovski, Z. / Effect of pulsed power on particle matter in diesel engine exhaust using a DBD plasma reactor. In: IEEE Transactions on Plasma Science. 2013 ; Vol. 41, No. 8.
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