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Igniting Soaring Droplets of Promising Fuel Slurries

Author

Listed:
  • Alexander Bogomolov

    (T.F. Gorbachev Kuzbass State Technical University, Kemerovo 650000, Russia
    Institute of Thermophysics Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Russia)

  • Timur Valiullin

    (National Research Tomsk Polytechnic University, Tomsk 634050, Russia)

  • Ksenia Vershinina

    (National Research Tomsk Polytechnic University, Tomsk 634050, Russia)

  • Sergey Shevyrev

    (T.F. Gorbachev Kuzbass State Technical University, Kemerovo 650000, Russia)

  • Nikita Shlegel

    (National Research Tomsk Polytechnic University, Tomsk 634050, Russia)

Abstract

High rates of environmental pollution by boilers and thermal power plants burning coal of different grades are the main reason for active research in the world aimed at the development of alternative fuels. The solution to the formulated problem acceptable in terms of environmental, technical and economic criteria is the creation of composite slurry fuels with the use of fine coal or coal processing and enrichment waste, water of different quality, and oil sludge additive. This study considers modern technologies of burning slurry fuels as well as perspective research methods of the corresponding processes. A model combustion chamber is developed for the adequate study of ignition processes. The calculation of the basic geometric dimensions is presented. The necessity of manufacturing the combustion chamber in the form of an object of complex geometry is substantiated. With its use, several typical modes of slurry fuel ignition are determined. Principal differences of ignition conditions of a single droplet and group of fuel droplets are shown. Typical vortex structures at the fuel spray injection are shown. A comparison with the trajectories of fuel aerosol droplets in real combustion chambers used for the combustion of slurry fuels is undertaken.

Suggested Citation

  • Alexander Bogomolov & Timur Valiullin & Ksenia Vershinina & Sergey Shevyrev & Nikita Shlegel, 2019. "Igniting Soaring Droplets of Promising Fuel Slurries," Energies, MDPI, vol. 12(2), pages 1-19, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:2:p:208-:d:196364
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    Citations

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    Cited by:

    1. Timur Valiullin & Ksenia Vershinina & Pavel Strizhak, 2019. "Ignition of Slurry Fuel Droplets with Different Heating Conditions," Energies, MDPI, vol. 12(23), pages 1-18, November.
    2. Wilhelm Jan Tic & Joanna Guziałowska-Tic, 2019. "The Effect of Modifiers and Method of Application on Fine-Coal Combustion," Energies, MDPI, vol. 12(23), pages 1-15, November.
    3. Roman Volkov & Timur Valiullin & Olga Vysokomornaya, 2021. "Spraying of Composite Liquid Fuels Based on Types of Coal Preparation Waste: Current Problems and Achievements: Review," Energies, MDPI, vol. 14(21), pages 1-17, November.

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