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Fizika Goreniya i Vzryva, 2014, Volume 50, Issue 2, Pages 100–109 (Mi fgv120)  

This article is cited in 39 scientific papers (total in 39 papers)

Initiation of detonation of fuel-air mixtures in a flow-type annular combustor

F. A. Bykovskii, S. A. Zhdan, E. F. Vedernikov

Lavrentyev Institute of Hydrodynamics of Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia
Abstract: Initiation of detonation in a fuel-air mixture flow formed in an annular cylindrical combustor 306 mm in diameter is studied. The source of detonation initiation is the detonation wave entering the annular channel from a plane-radial vortex chamber, a jet of products, or a low-power heat pulse. It is demonstrated that continuous spin detonation (CSD) can be ensured by all these methods. Its formation is accompanied by a transitional process with a duration up to 10 ms, which is associated with violation of injection of the species (initiation by the detonation wave) or with the time of evolution of tangential instability in CSD (jet or spark initiation). Transfer of detonation to a flow of fuel-air mixtures with low chemical activity (propane-air, methane-air, kerosene-air, and gasoline-air mixtures) by the initiating detonation wave formed within fractions of a millisecond by a low-energy pulse or as a result of self-ignition of the hydrogen-air mixture in the plane-radial vortex chamber is realized. It is found that organization of CSD in these mixtures requires combustors with greater (than 306 mm) diameters. A possibility of CSD in kerosene-air and gasoline-air mixtures with low chemical activity by means of air enrichment by oxygen ahead of the combustor entrance is demonstrated.
Keywords: combustor, detonation wave, continuous spin detonation, fuel-air mixture, initiation, deflagration-to-detonation transition.
Received: 20.02.2013
English version:
Combustion, Explosion and Shock Waves, 2014, Volume 50, Issue 2, Pages 214–222
DOI: https://doi.org/10.1134/S0010508214020130
Bibliographic databases:
Document Type: Article
UDC: 536.8, 536.46
Language: Russian
Citation: F. A. Bykovskii, S. A. Zhdan, E. F. Vedernikov, “Initiation of detonation of fuel-air mixtures in a flow-type annular combustor”, Fizika Goreniya i Vzryva, 50:2 (2014), 100–109; Combustion, Explosion and Shock Waves, 50:2 (2014), 214–222
Citation in format AMSBIB
\Bibitem{BykZhdVed14}
\by F.~A.~Bykovskii, S.~A.~Zhdan, E.~F.~Vedernikov
\paper Initiation of detonation of fuel-air mixtures in a flow-type annular combustor
\jour Fizika Goreniya i Vzryva
\yr 2014
\vol 50
\issue 2
\pages 100--109
\mathnet{http://mi.mathnet.ru/fgv120}
\elib{https://elibrary.ru/item.asp?id=21937191}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2014
\vol 50
\issue 2
\pages 214--222
\crossref{https://doi.org/10.1134/S0010508214020130}
Linking options:
  • https://www.mathnet.ru/eng/fgv120
  • https://www.mathnet.ru/eng/fgv/v50/i2/p100
  • This publication is cited in the following 39 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Fizika Goreniya i Vzryva Fizika Goreniya i Vzryva
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