Heat transfer under ignition of droplet of composite liquid fuel made of coal, water and oil in an oxidant flow

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2 Citations (Scopus)

Abstract

This paper presents the results of experimental investigations of heat transfer under ignition of the modern composite liquid (suspended) fuel made of fine particles of coal, water and oil. We defined minimum temperatures of oxidant (air) when the ignition with the subsequent stable burning of fuel droplets (sizes from 0.5mm to 3mm) is possible. Here, the delay times of droplet ignition (from 4s to 26s) and complete burning (from 5s to 32s) for fuels with various blend compositions and heating times (oxidant temperature varied from 500 to 1500K) were determined. We separated the typical steps of studying processes and defined the dominant mechanisms of heat transfer in the “fuel droplet-oxidant” system.

Original languageEnglish
Pages (from-to)157-168
Number of pages12
JournalAdvances and Applications in Fluid Mechanics
Volume19
Issue number1
DOIs
Publication statusPublished - 1 Jan 2016

Fingerprint

Liquid fuels
Oxidants
Ignition
Coal
Heat transfer
Composite materials
Water
Time delay
Heating
Temperature
Oils
Liquids
Air
Chemical analysis

Keywords

  • Composite liquid (suspended) fuel
  • Evaporation
  • Heat transfer
  • Hot air (oxidant)
  • Ignition
  • Thermal decomposition

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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abstract = "This paper presents the results of experimental investigations of heat transfer under ignition of the modern composite liquid (suspended) fuel made of fine particles of coal, water and oil. We defined minimum temperatures of oxidant (air) when the ignition with the subsequent stable burning of fuel droplets (sizes from 0.5mm to 3mm) is possible. Here, the delay times of droplet ignition (from 4s to 26s) and complete burning (from 5s to 32s) for fuels with various blend compositions and heating times (oxidant temperature varied from 500 to 1500K) were determined. We separated the typical steps of studying processes and defined the dominant mechanisms of heat transfer in the “fuel droplet-oxidant” system.",
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AU - Glushkov, Dmitrii O.

AU - Schlegel, Nikita E.

AU - Strizhak, Pavel A.

AU - Vershinina, Ksenia Yurievna

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N2 - This paper presents the results of experimental investigations of heat transfer under ignition of the modern composite liquid (suspended) fuel made of fine particles of coal, water and oil. We defined minimum temperatures of oxidant (air) when the ignition with the subsequent stable burning of fuel droplets (sizes from 0.5mm to 3mm) is possible. Here, the delay times of droplet ignition (from 4s to 26s) and complete burning (from 5s to 32s) for fuels with various blend compositions and heating times (oxidant temperature varied from 500 to 1500K) were determined. We separated the typical steps of studying processes and defined the dominant mechanisms of heat transfer in the “fuel droplet-oxidant” system.

AB - This paper presents the results of experimental investigations of heat transfer under ignition of the modern composite liquid (suspended) fuel made of fine particles of coal, water and oil. We defined minimum temperatures of oxidant (air) when the ignition with the subsequent stable burning of fuel droplets (sizes from 0.5mm to 3mm) is possible. Here, the delay times of droplet ignition (from 4s to 26s) and complete burning (from 5s to 32s) for fuels with various blend compositions and heating times (oxidant temperature varied from 500 to 1500K) were determined. We separated the typical steps of studying processes and defined the dominant mechanisms of heat transfer in the “fuel droplet-oxidant” system.

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