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Initiation of organic coal–water fuel droplet burning in a vortex combustion chamber

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Abstract

Using a test bench the main part of which is a vortex combustion chamber, characteristics describing the initiation of burning of solitary droplets of a typical organic coal–water fuel (OCWF) are established. The oxidizer temperature varied in the range of 600–850 K. The linear motion velocity of the oxidizer in the vortex chamber was about 3 m/s. The configuration of the chamber and parameters of the air flow provided a stable regime of floating for droplets with a size (radius) of about 0.5 mm. The analysis results show that the intensity of initiation of OCWF combustion under conditions of processes occurring in boiler furnaces is significantly (by a factor of 2–4) higher than for droplets that are immovably fixed or freely float in the heated air flow.

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Authors and Affiliations

  1. Kutateladze Institute of Thermal Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    V. E. Nakoryakov

  2. National Research Tomsk Polytechnic University, Tomsk, 634050, Russia

    D. O. Glushkov, P. A. Strizhak & S. V. Syrodoy

Authors
  1. V. E. Nakoryakov
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  2. D. O. Glushkov
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  3. P. A. Strizhak
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  4. S. V. Syrodoy
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Corresponding author

Correspondence to P. A. Strizhak.

Additional information

Original Russian Text © V.E. Nakoryakov, D.O. Glushkov, P.A. Strizhak, S.V. Syrodoy, 2017, published in Doklady Akademii Nauk, 2017, Vol. 473, No. 6, pp. 646–649.

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Nakoryakov, V.E., Glushkov, D.O., Strizhak, P.A. et al. Initiation of organic coal–water fuel droplet burning in a vortex combustion chamber. Dokl. Phys. 62, 176–179 (2017). https://doi.org/10.1134/S1028335817040152

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  • DOI: https://doi.org/10.1134/S1028335817040152

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