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Polevoda I.I.,State Educational Institution Command and Engineering Institute of the Ministry for Emergency Situations of the Republic of Belarus | Karpenchuk I.V.,State Educational Institution Command and Engineering Institute of the Ministry for Emergency Situations of the Republic of Belarus | Striganova M.Y.,State Educational Institution Command and Engineering Institute of the Ministry for Emergency Situations of the Republic of Belarus | Shatilo E.E.,Republican Center for Certification and Expertise of Licensed Activities of the Ministry for Emergency Situations of the Republic of Belarus
Journal of Engineering Physics and Thermophysics | Year: 2015

A model of turbulent flow of a rheological solution of a foaming agent in a cylindrical channel of an automatic fire-extinguishing system is proposed; this model allows for the viscous stresses produced in the region of hydraulic roughness of the channel. Integral equations are obtained for calculation of the flow velocity and rate of flow of the foaming agent in the indicated channel, and also of the hydraulic resistance and head loss in it. Recommendations on practical use of the proposed theoretical model have been developed. © 2015 Springer Science+Business Media New York Source

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