UDC 614.842.615
The thermal stability of foam containing silicon oxide, aluminum oxide, and talc powders was studied in this paper. It was found that introducing the powder into the foam signifi cantly decreases its destruction rate under temperature conditions. Increasing the foam stability contributes to the accumulation of liquid and powder on its surface, which are formed as a result of the upper foam layer destruction and shield heat fl ows. A high powder content negatively aff ects the foam stability to a decrease in the strength of the fi lms. The solid phase accumulation on the surface leads to its immersion inside and to the foam destruction.
air-mechanical foam, combined extinguishing agent, dispersion, particle size, thermal effect, foam stability, syneresis
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