単一石炭スラリー燃料液滴の高温壁面上での蒸発と燃焼

概要

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The evaporation and combustion characteristics of a small CWM droplet were analyzed on a hot surface in a test furnace. The minimum temperatures for decomposing combustion caused by the volatile matter of the coal and char combustion rise with a decrease of the initial diameter of the droplet. Droplets with diameters below about 1.3mm show different combustion characteristics from the larger droplets. From the photographic observation of the final state of the burned CWM droplet, the cracked shell and popcorn states were noted on the agglomerated surface of the ash. These symptoms appeared more clearly when the initial diameter of the droplet was larger than 1.3mm. The contraction ratio of the diameter in the dried-up state decreases correspondingly with the decrease in the initial diameter of the droplet.
一般社団法人日本機械学会の論文
1991-01-25