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Fizika Goreniya i Vzryva, 2017, Volume 53, Issue 4, Pages 94–102
DOI: https://doi.org/10.15372/FGV20170409
(Mi fgv429)
 

This article is cited in 12 scientific papers (total in 12 papers)

Detonation combustion of lignite with titanium dioxide and water additives in air

F. A. Bykovskiia, E. F. Vedernikova, Yu. A. Zholobovb

a Lavrentyev Institute of Hydrodynamics of Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia
b Novosibirsk State University, Novosibirsk, 630090, Russia
Abstract: The influence of mineral additives (6.2–70%) and water (15–54%) to lignite on the possibility of its burning in an air flow in a continuous detonation regime in a radial vortex combustor 500 mm in diameter is studied. A syngas with a composition CO + 3H$_2$ is used for transporting the coal mixture and for promoting the chemical reaction. It is shown that regimes of continuous spin detonation, conventional combustion, and pulsed combustion may occur depending on the amounts of the mineral (TiO$_2$) added to coal, water, and syngas. The boundaries between the domains of existence of detonation and combustion are determined in the coordinates of the ratio of the syngas flow rate to the rate of consumption of the combustible portion of coal and the mineral component of coal and water. It is seen that the continuous spin detonation regime persists if the mineral additive fraction in the lignite mixture is up to 65% and the water fraction is smaller than 30%. It is also demonstrated that the syngas flow rate should be increased with increasing mineral additive fraction and increasing coal humidity in order to ensure burning of the combustible component of syngas.
Keywords: continuous spin detonation, pulsed detonation, radial vortex combustor, lignite, slurry, syngas.
Funding agency Grant number
Russian Foundation for Basic Research 14-08-00080
Received: 10.11.2016
English version:
Combustion, Explosion and Shock Waves, 2017, Volume 53, Issue 4, Pages 453–460
DOI: https://doi.org/10.1134/S0010508217040098
Bibliographic databases:
Document Type: Article
UDC: 534.2,546.2
Language: Russian
Citation: F. A. Bykovskii, E. F. Vedernikov, Yu. A. Zholobov, “Detonation combustion of lignite with titanium dioxide and water additives in air”, Fizika Goreniya i Vzryva, 53:4 (2017), 94–102; Combustion, Explosion and Shock Waves, 53:4 (2017), 453–460
Citation in format AMSBIB
\Bibitem{BykVedZho17}
\by F.~A.~Bykovskii, E.~F.~Vedernikov, Yu.~A.~Zholobov
\paper Detonation combustion of lignite with titanium dioxide and water additives in air
\jour Fizika Goreniya i Vzryva
\yr 2017
\vol 53
\issue 4
\pages 94--102
\mathnet{http://mi.mathnet.ru/fgv429}
\crossref{https://doi.org/10.15372/FGV20170409}
\elib{https://elibrary.ru/item.asp?id=29772338}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2017
\vol 53
\issue 4
\pages 453--460
\crossref{https://doi.org/10.1134/S0010508217040098}
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  • https://www.mathnet.ru/eng/fgv/v53/i4/p94
  • This publication is cited in the following 12 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Fizika Goreniya i Vzryva Fizika Goreniya i Vzryva
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