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Ignition of premixed air/fuel mixtures by microwave streamer discharge
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Denissenko, Petr, Bulat, Mikhail, Esakov, Igor, Grachev, Lev, Volkov, Konstantin, Volobuev, Igor, Upyrev, Vladimir and Bulat, Pavel (2019) Ignition of premixed air/fuel mixtures by microwave streamer discharge. Combustion and Flame, 202 . pp. 417-422. doi:10.1016/j.combustflame.2019.01.029 ISSN 0010-2180.
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Official URL: https://doi.org/10.1016/j.combustflame.2019.01.029
Abstract
A variety of methods exists for fast and efficient combustion of air-fuel mixtures. In this study, a microwave subcritical streamer discharge is used to ignite propane-air mixtures at atmospheric pressure. The streamer is initiated at the inner surface of a dielectric tube with the help of a passive half-wave vibrator. By creating a network of ignition lines, the streamer discharge forms the network of burning channels with large total surface area. This leads to the apparent speed of combustion propagation along the cylinder in excess of 100 m/s, which is more than 200 times the laminar flame propagation speed. The axial propagation of the combustion front in a cylindrical tube filled with the air/propane mixture is investigated by high speed video recording in visible light. A simple model is presented to explain observed results.
| Item Type: | Journal Article | ||||||||
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| Subjects: | Q Science > QC Physics | ||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Combustion, Ignitrons, Mixtures, Propane, Microwaves | ||||||||
| Journal or Publication Title: | Combustion and Flame | ||||||||
| Publisher: | Elsevier Inc. | ||||||||
| ISSN: | 0010-2180 | ||||||||
| Official Date: | April 2019 | ||||||||
| Dates: |
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| Volume: | 202 | ||||||||
| Page Range: | pp. 417-422 | ||||||||
| DOI: | 10.1016/j.combustflame.2019.01.029 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Date of first compliant deposit: | 8 February 2019 | ||||||||
| Date of first compliant Open Access: | 7 February 2020 | ||||||||
| RIOXX Funder/Project Grant: |
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