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Ignition of Different Metamorphic Grade Coals by Free-Running Laser Pulses

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Abstract

We studied laser ignition (1064 nm, 120 µs) of coals of grades DG, G, Zh, and K. For all grades of coal, three successive ignition stages were found that were characterized by threshold radiation energy densities that have characteristic values for each grade of coal.

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Funding

The research was financially supported by the program of fundamental researches of the Institute of Coal Chemistry and Material Science (project V.49.1.5., no. AAAA-A17-117041910150-2).

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Authors and Affiliations

  1. Federal Research Center for Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences, 650000, Kemerovo, Russia

    B. P. Aduev, D. R. Nurmukhametov, Ya. V. Kraft & Z. R. Ismagilov

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  1. B. P. Aduev
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  2. D. R. Nurmukhametov
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  3. Ya. V. Kraft
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  4. Z. R. Ismagilov
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Correspondence to B. P. Aduev.

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Translated by O. Zhukova

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Aduev, B.P., Nurmukhametov, D.R., Kraft, Y.V. et al. Ignition of Different Metamorphic Grade Coals by Free-Running Laser Pulses. Opt. Spectrosc. 128, 429–435 (2020). https://doi.org/10.1134/S0030400X20030029

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  • DOI: https://doi.org/10.1134/S0030400X20030029

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