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Influence of Organic Aerosol in Coal Mines on the Ignition Limit of Methane-Air Mixture

  • COMBUSTION, EXPLOSION, AND SHOCK WAVES
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Russian Journal of Physical Chemistry B Aims and scope Submit manuscript

Abstract

It is shown that during mechanical action on coal, along with the emission of gaseous combustible compounds, high-molecular hydrocarbons are released, which, in turn, leads to the formation of an organic aerosol. The lower limit of ignition of a methane-air mixture with an organic aerosol is determined. The methane and aerosol concentrations varied within 0–50 g/m3 and 0–6.5 mol %, respectively. The obtained dependences of the lower limit of ignition on the concentrations of combustible components can be useful in improving the explosion safety in coal mines.

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Funding

This study was supported by the Russian Foundation for Basic Research and the Novosibirsk Region as part of scientific project no. 19-43-540009.

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Authors and Affiliations

  1. Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    S. V. Valiulin, A. A. Onischuk, V. V. Zamashchikov & A. A. Korzhavin

  2. Mining Institute, Ural Branch, Russian Academy of Sciences, 614007, Perm, Russia

    D. Yu. Paleev

  3. Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    V. M. Fomin

Authors
  1. S. V. Valiulin
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  2. A. A. Onischuk
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  3. D. Yu. Paleev
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  4. V. V. Zamashchikov
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  5. A. A. Korzhavin
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  6. V. M. Fomin
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Corresponding author

Correspondence to S. V. Valiulin.

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Translated by V. Selikhanovich

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Valiulin, S.V., Onischuk, A.A., Paleev, D.Y. et al. Influence of Organic Aerosol in Coal Mines on the Ignition Limit of Methane-Air Mixture. Russ. J. Phys. Chem. B 15, 291–298 (2021). https://doi.org/10.1134/S199079312102024X

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  • DOI: https://doi.org/10.1134/S199079312102024X

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