Theoretical and experimental investigation of fires in large fuel tanks and creation of an innovative technology of their extinguishment | Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2022. № 76. DOI: 10.17223/19988621/76/10

Theoretical and experimental investigation of fires in large fuel tanks and creation of an innovative technology of their extinguishment

Fundamental inefficiency of existing foam fire systems extinguishing tanks with oil and petroleum products having a volume of 5000 m³ or more is shown by methods of mathematical modeling. The required foam supply intensity and foam supply rate allowing effective fire suppression in large tanks with a volume of up to 20000 m³ are theoretically predicted. On this basis of theoretical conclusions, a new method of foam fire extinguishing in large fuel tanks has been developed. To obtain the required intensities and supply rates, fire extinguishing foam is formed in a special container with the use of solid-fuel gas generators. The theoretical predictions were confirmed in 21 full-scale successful experiments, in which fire suppresion system based on the new method was able to extinguish a fully developed gasoline fire in tanks with a volume of 5000 m³ and 20 000 m³ just for 30-90 seconds. The required amount of the foaming agent to extinguish a fire in a 20 000 m³ tank is only 450 liters, which is at least 100 times less than for traditional foam fire fighting Contribution of the authors: the authors contributed equally to this article. The authors declare no conflicts of interests.

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Keywords

foam, fire extinguishing, large fuel tanks

Authors

Name	Organization	E-mail
Kopylov Nikolay P.	All-Russian Research Institute of Fire Defense of the Ministry of Emergency Situations of the Russian Federation	np.nanpb@mail.ru
Kopylov Sergey N.	All-Russian Research Institute of Fire Defense of the Ministry of Emergency Situations of the Russian Federation	firetest@mail.ru
Karpov Aleksey V.	All-Russian Research Institute of Fire Defense of the Ministry of Emergency Situations of the Russian Federation	k708@yandex.ru
Fedotkin Dmitry V.	All-Russian Research Institute of Fire Defense of the Ministry of Emergency Situations of the Russian Federation; National University of Science and Technology MISIS	fdv982@mail.ru
Sushkina Elena Yu.	All-Russian Research Institute of Fire Defense of the Ministry of Emergency Situations of the Russian Federation	sushkina@bk.ru

Всего: 5

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