Plasma-Assisted Ignition in the Flow-Through Combustion Chamber
The work is aimed to the problem of the organization of combustion in a high-speed flow of a fuel mixture using subcritical streamer microwave discharges. The problem is relevant for engines using combustion at a constant volume, in high-speed subsonic and supersonic flow of the fuel mixture, as wel...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Academy of Sciences of Moldova
2019-12-01
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| Series: | Problems of the Regional Energetics |
| Subjects: | |
| Online Access: | http://journal.ie.asm.md/assets/files/06_03_44_2019.pdf |
| _version_ | 1818359729732190208 |
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| author | Esakov I.I. Ravaev A.A. Grachev L.P. Volobuev I.A. |
| author_facet | Esakov I.I. Ravaev A.A. Grachev L.P. Volobuev I.A. |
| author_sort | Esakov I.I. |
| collection | DOAJ |
| description | The work is aimed to the problem of the organization of combustion in a high-speed flow of a fuel mixture using subcritical streamer microwave discharges. The problem is relevant for engines using combustion at a constant volume, in high-speed subsonic and supersonic flow of the fuel mixture, as well as in detonation engines with forced ignition. The goal is to investigate the possibility of igniting of a series of attached subcritical microwave discharges located at some distance from each other in a high-speed stream near metal or dielectric screen, and also to investigate the ability of these discharges to ignite a fuel mixture. This goal is achieved by the fact that numerical calculations of microwave discharges near the screen are performed at a flow velocity of 5 m / s to 500 m / s. Then, the calculations are repeated for the fuel mixture with a fuel excess ratio η from 0.55 to 1.5. The results of calculations of a mixture of propane with air are compared with experiments that were carried out on an apparatus with a wavelength of λ = 12.3 cm with a microwave beam power of P = 1 kW and a microwave pulse duration of τ = 0.2 sec. The significant result is that the deeply critical discharge connected to the resonator on the dielectric screen is not blown away by the high-speed flow and ignites the mixture. Importance - a microwave discharges ignite fuel over the entire speed range. The calculation results are confirmed by experiment. |
| first_indexed | 2024-12-13T20:49:32Z |
| format | Article |
| id | doaj.art-ea941edab7e548e8978d6986870c8f74 |
| institution | Directory Open Access Journal |
| issn | 1857-0070 |
| language | English |
| last_indexed | 2024-12-13T20:49:32Z |
| publishDate | 2019-12-01 |
| publisher | Academy of Sciences of Moldova |
| record_format | Article |
| series | Problems of the Regional Energetics |
| spelling | doaj.art-ea941edab7e548e8978d6986870c8f742022-12-21T23:31:54ZengAcademy of Sciences of MoldovaProblems of the Regional Energetics1857-00702019-12-01443657810.5281/zenodo.3562187Plasma-Assisted Ignition in the Flow-Through Combustion ChamberEsakov I.I.0Ravaev A.A.1Grachev L.P. 2Volobuev I.A.3Moscow Radiotechnical institute of Russian Academy of ScienceMoscow Radiotechnical institute of Russian Academy of ScienceMoscow Radiotechnical institute of Russian Academy of ScienceSaint-Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO University), Saint-Petersburg, Russian FederationThe work is aimed to the problem of the organization of combustion in a high-speed flow of a fuel mixture using subcritical streamer microwave discharges. The problem is relevant for engines using combustion at a constant volume, in high-speed subsonic and supersonic flow of the fuel mixture, as well as in detonation engines with forced ignition. The goal is to investigate the possibility of igniting of a series of attached subcritical microwave discharges located at some distance from each other in a high-speed stream near metal or dielectric screen, and also to investigate the ability of these discharges to ignite a fuel mixture. This goal is achieved by the fact that numerical calculations of microwave discharges near the screen are performed at a flow velocity of 5 m / s to 500 m / s. Then, the calculations are repeated for the fuel mixture with a fuel excess ratio η from 0.55 to 1.5. The results of calculations of a mixture of propane with air are compared with experiments that were carried out on an apparatus with a wavelength of λ = 12.3 cm with a microwave beam power of P = 1 kW and a microwave pulse duration of τ = 0.2 sec. The significant result is that the deeply critical discharge connected to the resonator on the dielectric screen is not blown away by the high-speed flow and ignites the mixture. Importance - a microwave discharges ignite fuel over the entire speed range. The calculation results are confirmed by experiment.http://journal.ie.asm.md/assets/files/06_03_44_2019.pdfcombustion chamberadetonation engine |
| spellingShingle | Esakov I.I. Ravaev A.A. Grachev L.P. Volobuev I.A. Plasma-Assisted Ignition in the Flow-Through Combustion Chamber Problems of the Regional Energetics combustion chamber a detonation engine |
| title | Plasma-Assisted Ignition in the Flow-Through Combustion Chamber |
| title_full | Plasma-Assisted Ignition in the Flow-Through Combustion Chamber |
| title_fullStr | Plasma-Assisted Ignition in the Flow-Through Combustion Chamber |
| title_full_unstemmed | Plasma-Assisted Ignition in the Flow-Through Combustion Chamber |
| title_short | Plasma-Assisted Ignition in the Flow-Through Combustion Chamber |
| title_sort | plasma assisted ignition in the flow through combustion chamber |
| topic | combustion chamber a detonation engine |
| url | http://journal.ie.asm.md/assets/files/06_03_44_2019.pdf |
| work_keys_str_mv | AT esakovii plasmaassistedignitionintheflowthroughcombustionchamber AT ravaevaa plasmaassistedignitionintheflowthroughcombustionchamber AT grachevlp plasmaassistedignitionintheflowthroughcombustionchamber AT volobuevia plasmaassistedignitionintheflowthroughcombustionchamber |