UDC 532.694.1
UDC 614.842.615
A comprehensive analysis of theoretical and experimental data on the formation processes of low-expansion air-mechanical foams, which are widely used in firefighting and related industries, has been carried out. This study substantiates improved mathematical models that allow more accurate calculation of the flow rates of the foaming agent solution and air, as well as determination of the minimum and maximum air flow velocities at which foam bubbles can form. Additionally, analytical dependencies are proposed for estimating the average bubble diameter, enabling consideration of key parameters such as viscosity, surface tension, and geometric characteristics of foam-generating devices. The results demonstrate higher accuracy in predicting foam characteristics compared to existing methods, making it possible to optimize equipment operating modes and improve efficiency under various operating conditions. The proposed approaches can be useful for the development of new foam-generating device designs and for the modernization of existing fire suppression systems, as well as in technological processes involving foam utilization
pena, kratnost', sredniy diametr puzyr'ka, skorost', dispersnost', ustoychivost', kapillyarnoe chislo
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