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Studying the Flow Structure in a Promising Vortex Furnace

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Abstract

The internal aerodynamics of an isothermal laboratory model of a modified four-vortex furnace for a pulverized coal boiler have been experimentally studied. The digital tracer imaging (particle image velocimetry) technique was used to determine average flow velocity distributions and streamline projections in several sections of the model in various regimes of furnace operation determined by the velocity ratio of flows supplied via primary (main) and secondary nozzles. Conditions for the formation of a stable flow structure with four symmetric conjugated vortices in the entire volume of the furnace, as well as the domain of parameters leading to a nonregular spatial vortex structure, were determined.

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Funding

This study was supported in part by the Russian Science Foundation, project no. 19-19-00443.

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Authors and Affiliations

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

    S. V. Alekseenko, I. S. Anufriev, E. Yu. Shadrin & O. V. Sharypov

Authors
  1. S. V. Alekseenko
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  2. I. S. Anufriev
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  3. E. Yu. Shadrin
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  4. O. V. Sharypov
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Corresponding author

Correspondence to E. Yu. Shadrin.

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The authors declare that they have no conflict of interest.

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Translated by P. Pozdeev

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Alekseenko, S.V., Anufriev, I.S., Shadrin, E.Y. et al. Studying the Flow Structure in a Promising Vortex Furnace. Tech. Phys. Lett. 45, 1148–1151 (2019). https://doi.org/10.1134/S1063785019110178

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  • DOI: https://doi.org/10.1134/S1063785019110178

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