Scientific Journal Problems of Emergency Situations — V. Kovalyshyn, N. Velykyi, V. Marych, Vol. Kovalyshyn, А. Velikyi. Application of compression foam for extinguishing fires in tanks. P. 356-366.

An analysis of the economic efficiency of using compression foam for subsurface extinguishing of oil product fires (gasoline) in steel vertical tanks has been conducted. The study is based on calcu-lations for a vertical steel tank with a volume of 5000 m³, whose burning mirror area is 346 m², mod-eled in the SolidWorks Flow Simulation environment [1]. The paper presents a comparative analysis of foam concentrate consumption for the traditional surface extinguishing method and the subsurface method using compression foam. Calculations were performed in accordance with the recommended supply intensity of the foam solution for the subsurface method – 0.08 l/m²·s. The calculated extin-guishing time for gasoline and a triple reserve of foam concentrate according to the current methodo-logical recommendations of the State Emergency Service of Ukraine were also taken into account. According to the conducted research, it was established that the use of compression foam with an expansion ratio of 10 allows reducing foam concentrate consumption by almost 4 times compared to traditional surface extinguishing. Additional advantages include reduced thermal stress on the per-sonnel of the State Emergency Service units, lower risk to firefighters, and decreased load on fire-fighting equipment. The results of the study have practical significance for optimizing fire-fighting tactics at oil and gas complex facilities, oil depots, and petroleum product storage warehouses. The implementation of the proposed technology is particularly relevant under martial law conditions, when Ukraine’s critical infrastructure is subjected to systematic rocket and drone attacks. The use of compression foam via the subsurface method will significantly increase the efficiency of protecting strategic facilities and reduce material losses from fires. Thus, subsurface extinguishing using com-pression foam is a promising direction for the development of oil product fire suppression in vertical steel tanks.

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Received by the editorial board: 10.03.2026

Accepted for publication: 13.04.2026

Date of publication (release): 31.05.2026