Low-temperature ignition of droplets of suspension organic water–carbon fuels

Vladimir Eliferievich Nakoryakov, D. O. Glushkov, G. V. Kuznetsov, P. A. Strizhak

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Abstract

The conditions and integral characteristics of stable low-temperature ignition of droplets of suspension organic water–coal fuels are established by using the means of high-speed video-detection. The oxidizer temperature for these conditions varies in the range of 600–900 K (much below the temperatures in furnace chambers of modern power installations exceeding 1200 K). The velocity of the oxidizer-flow motion varies from 0.5 to 5 m/s, and the sizes (conditional radii) of droplets vary from 0.5 to 1.5 mm. The times of initiation of burning under conditions of low-temperature heating and the duration of the complete combustion of droplets of the corresponding compositions of organic water-coal fuels are determined. The necessary and sufficient conditions of stable ignition are singled out for promising organic water–coal fuels.

Original language	English
Pages (from-to)	321-326
Number of pages	6
Journal	Doklady Physics
Volume	61
Issue number	7
DOIs	https://doi.org/10.1134/S1028335816070089
Publication status	Published - 1 Jul 2016

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ASJC Scopus subject areas

Mechanics of Materials
Computational Mechanics
Physics and Astronomy(all)

Cite this

Nakoryakov, V. E., Glushkov, D. O., Kuznetsov, G. V., & Strizhak, P. A. (2016). Low-temperature ignition of droplets of suspension organic water–carbon fuels. Doklady Physics, 61(7), 321-326. https://doi.org/10.1134/S1028335816070089

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10.1134/S1028335816070089