Effect of the high-power electromagnetic pulses on the reactivity of the coal-water slurry in hot environment

M. V. Belonogov; R. I. Taburchinov; R. I. Egorov

doi:10.1016/j.cjche.2020.07.060

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Effect of the high-power electromagnetic pulses on the reactivity of the coal-water slurry in hot environment

Materials and Product Engineering | Updated：2026-01-06

- Effect of the high-power electromagnetic pulses on the reactivity of the coal-water slurry in hot environment
- Chinese Journal of Chemical Engineering Vol. 28, Issue 12, Pages: 3145-3151(2020)
- Affiliations：
  
  National Research Tomsk Polytechnic University, Tomsk, Russian Federation
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2020.07.060
  CLC：
- Published：2020
- Accepted：
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M. V. Belonogov, R. I. Taburchinov, R. I. Egorov. Effect of the high-power electromagnetic pulses on the reactivity of the coal-water slurry in hot environment[J]. Chinese Journal of Chemical Engineering, 2020, 28(12): 3145-3151.
DOI：

M. V. Belonogov, R. I. Taburchinov, R. I. Egorov. Effect of the high-power electromagnetic pulses on the reactivity of the coal-water slurry in hot environment[J]. Chinese Journal of Chemical Engineering, 2020, 28(12): 3145-3151. DOI： 10.1016/j.cjche.2020.07.060.

摘要

Abstract

An effect of the high-power electromagnetic pulses onto the droplet of coal-water slurry inside the furnace was investigated. In contrary to the previously investigated laser-induced fuel atomization that occurs at the room temperature

the pre-heated (to 400 K) slurry becomes dry enough to prevent the explosion-like steam formation. Thus

fuel does not atomize and the ignition does not accelerate. Furthermore

the absorption of several laser pulses leads to evident sintering of irradiated surface with following increase of the ignition delay time for up to 24%. Variation of the pulse energy in range 48-118 mJ (corresponding intensity up to 2.4 J·cm

-2

) leads to certain variation of the increase of ignition delay. The strong pulsed overheating of the coal water slurry which does not initiate the fine atomization of the fuel generally makes its ignition longer.

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