Influence of catalyst packing configuration on the discharge characteristics of dielectric barrier discharge reactors: A numerical investigation | Zendy

Siddharth Gadkari | Zendy; Sai Gu | Zendy

Open Access

Influence of catalyst packing configuration on the discharge characteristics of dielectric barrier discharge reactors: A numerical investigation

Author(s) -

Siddharth Gadkari,

Sai Gu

Publication year - 2018

Publication title -

physics of plasmas

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.75

H-Index - 160

eISSN - 1089-7674

pISSN - 1070-664X

DOI - 10.1063/1.5030508

Subject(s) - dielectric barrier discharge , packed bed , plasma , electric field , electron density , dielectric , atomic physics , electron , physics , analytical chemistry (journal) , chemistry , chromatography , optoelectronics , quantum mechanics

A two-dimensional numerical fluid model is developed for studying the influence of packing configurations on dielectric barrier discharge (DBD) characteristics. Dis- charge current profiles, and time averaged electric field strength, electron number density and electron temperature distributions are compared for the three DBD configurations, plain DBD with no packing, partially packed DBD and fully packed DBD. The results show a strong change in discharge behaviour occurs when a DBD is fully packed as compared to partial packing or no packing. While the average electric field strength and electron temperature of a fully packed DBD are higher relative to the other DBD configurations, the average electron density is substantially lower and may impede the DBD reactor performance under certain operating conditions. Possible scenarios of the synergistic effect of the combination of plasma with catalysis are also discussed.

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