Abstract
An experimental study of the characteristics of the processes occurring during the ignition and combustion of single particles (10 mg) of typical gel fuel in a high-temperature air environment was carried out using a software and hardware complex consisting of a high-speed video camera, LED spotlight. The group of fuel compositions is prepared on the basis of oil-filled cryogels without and with 30 %(wt.) addition of solid finely dispersed components (coal particles, Si, and Cu). Polyvinyl alcohol (PVA) was used as an organic polymer thickener (10 %(wt.) in an aqueous solution). Fuel compositions are characterized by microexplosive dispersion of particles under conditionsof intense heating. By varying air temperature in the range of 600-1000 ◦C, the velocities of movement of finefragments after microexplosive dispersion of a droplet of fuel melt were determined.
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